diff options
Diffstat (limited to 'src/spdk/dpdk/drivers/net/cxgbe')
37 files changed, 24175 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/cxgbe/Makefile b/src/spdk/dpdk/drivers/net/cxgbe/Makefile new file mode 100644 index 000000000..53b2bb56d --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/Makefile @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2014-2018 Chelsio Communications. +# All rights reserved. + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_pmd_cxgbe.a + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) + +EXPORT_MAP := rte_pmd_cxgbe_version.map + +# +# CFLAGS for gcc/clang +# +ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y) +ifeq ($(shell test $(GCC_VERSION) -ge 44 && echo 1), 1) +CFLAGS += -Wno-deprecated +endif +endif + +LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring +LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs +LDLIBS += -lrte_bus_pci + +# +# Add extra flags for base driver files (also known as shared code) +# to disable warnings in them +# +BASE_DRIVER_OBJS=$(sort $(patsubst %.c,%.o,$(notdir $(wildcard $(SRCDIR)/base/*.c)))) +$(foreach obj, $(BASE_DRIVER_OBJS), $(eval CFLAGS_$(obj)+=$(CFLAGS_BASE_DRIVER))) + +VPATH += $(SRCDIR)/base + + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbevf_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_main.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbevf_main.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += sge.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_filter.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_flow.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += t4_hw.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += clip_tbl.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += mps_tcam.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += l2t.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += smt.c +SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += t4vf_hw.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/adapter.h b/src/spdk/dpdk/drivers/net/cxgbe/base/adapter.h new file mode 100644 index 000000000..62de35c7c --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/adapter.h @@ -0,0 +1,835 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +/* This file should not be included directly. Include common.h instead. */ + +#ifndef __T4_ADAPTER_H__ +#define __T4_ADAPTER_H__ + +#include <rte_bus_pci.h> +#include <rte_mbuf.h> +#include <rte_io.h> +#include <rte_rwlock.h> +#include <rte_ethdev.h> + +#include "../cxgbe_compat.h" +#include "../cxgbe_ofld.h" +#include "t4_regs_values.h" + +enum { + MAX_ETH_QSETS = 64, /* # of Ethernet Tx/Rx queue sets */ + MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ +}; + +struct adapter; +struct sge_rspq; + +enum { + PORT_RSS_DONE = (1 << 0), +}; + +struct port_info { + struct adapter *adapter; /* adapter that this port belongs to */ + struct rte_eth_dev *eth_dev; /* associated rte eth device */ + struct port_stats stats_base; /* port statistics base */ + struct link_config link_cfg; /* link configuration info */ + + unsigned long flags; /* port related flags */ + short int xact_addr_filt; /* index of exact MAC address filter */ + + u16 viid; /* associated virtual interface id */ + s8 mdio_addr; /* address of the PHY */ + u8 port_type; /* firmware port type */ + u8 mod_type; /* firmware module type */ + u8 port_id; /* physical port ID */ + u8 pidx; /* port index for this PF */ + u8 tx_chan; /* associated channel */ + + u8 n_rx_qsets; /* # of rx qsets */ + u8 n_tx_qsets; /* # of tx qsets */ + u8 first_qset; /* index of first qset */ + + u16 *rss; /* rss table */ + u8 rss_mode; /* rss mode */ + u16 rss_size; /* size of VI's RSS table slice */ + u64 rss_hf; /* RSS Hash Function */ + + /* viid fields either returned by fw + * or decoded by parsing viid by driver. + */ + u8 vin; + u8 vivld; +}; + +/* Enable or disable autonegotiation. If this is set to enable, + * the forced link modes above are completely ignored. + */ +#define AUTONEG_DISABLE 0x00 +#define AUTONEG_ENABLE 0x01 + +enum { /* adapter flags */ + FULL_INIT_DONE = (1 << 0), + USING_MSI = (1 << 1), + USING_MSIX = (1 << 2), + FW_QUEUE_BOUND = (1 << 3), + FW_OK = (1 << 4), + CFG_QUEUES = (1 << 5), + MASTER_PF = (1 << 6), +}; + +struct rx_sw_desc { /* SW state per Rx descriptor */ + void *buf; /* struct page or mbuf */ + dma_addr_t dma_addr; +}; + +struct sge_fl { /* SGE free-buffer queue state */ + /* RO fields */ + struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ + + dma_addr_t addr; /* bus address of HW ring start */ + __be64 *desc; /* address of HW Rx descriptor ring */ + + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ + + unsigned int cntxt_id; /* SGE relative QID for the free list */ + unsigned int size; /* capacity of free list */ + + unsigned int avail; /* # of available Rx buffers */ + unsigned int pend_cred; /* new buffers since last FL DB ring */ + unsigned int cidx; /* consumer index */ + unsigned int pidx; /* producer index */ + + unsigned long alloc_failed; /* # of times buffer allocation failed */ + unsigned long low; /* # of times momentarily starving */ +}; + +#define MAX_MBUF_FRAGS (16384 / 512 + 2) + +/* A packet gather list */ +struct pkt_gl { + union { + struct rte_mbuf *mbufs[MAX_MBUF_FRAGS]; + } /* UNNAMED */; + void *va; /* virtual address of first byte */ + unsigned int nfrags; /* # of fragments */ + unsigned int tot_len; /* total length of fragments */ + bool usembufs; /* use mbufs for fragments */ +}; + +typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, + const struct pkt_gl *gl); + +struct sge_rspq { /* state for an SGE response queue */ + struct adapter *adapter; /* adapter that this queue belongs to */ + struct rte_eth_dev *eth_dev; /* associated rte eth device */ + struct rte_mempool *mb_pool; /* associated mempool */ + + dma_addr_t phys_addr; /* physical address of the ring */ + __be64 *desc; /* address of HW response ring */ + const __be64 *cur_desc; /* current descriptor in queue */ + + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ + struct sge_qstat *stat; + + unsigned int cidx; /* consumer index */ + unsigned int gts_idx; /* last gts write sent */ + unsigned int iqe_len; /* entry size */ + unsigned int size; /* capacity of response queue */ + int offset; /* offset into current Rx buffer */ + + u8 gen; /* current generation bit */ + u8 intr_params; /* interrupt holdoff parameters */ + u8 next_intr_params; /* holdoff params for next interrupt */ + u8 pktcnt_idx; /* interrupt packet threshold */ + u8 port_id; /* associated port-id */ + u8 idx; /* queue index within its group */ + u16 cntxt_id; /* SGE relative QID for the response Q */ + u16 abs_id; /* absolute SGE id for the response q */ + + rspq_handler_t handler; /* associated handler for this response q */ +}; + +struct sge_eth_rx_stats { /* Ethernet rx queue statistics */ + u64 pkts; /* # of ethernet packets */ + u64 rx_bytes; /* # of ethernet bytes */ + u64 rx_cso; /* # of Rx checksum offloads */ + u64 vlan_ex; /* # of Rx VLAN extractions */ + u64 rx_drops; /* # of packets dropped due to no mem */ +}; + +struct sge_eth_rxq { /* a SW Ethernet Rx queue */ + struct sge_rspq rspq; + struct sge_fl fl; + struct sge_eth_rx_stats stats; + bool usembufs; /* one ingress packet per mbuf FL buffer */ +} __rte_cache_aligned; + +/* + * Currently there are two types of coalesce WR. Type 0 needs 48 bytes per + * packet (if one sgl is present) and type 1 needs 32 bytes. This means + * that type 0 can fit a maximum of 10 packets per WR and type 1 can fit + * 15 packets. We need to keep track of the mbuf pointers in a coalesce WR + * to be able to free those mbufs when we get completions back from the FW. + * Allocating the maximum number of pointers in every tx desc is a waste + * of memory resources so we only store 2 pointers per tx desc which should + * be enough since a tx desc can only fit 2 packets in the best case + * scenario where a packet needs 32 bytes. + */ +#define ETH_COALESCE_PKT_NUM 15 +#define ETH_COALESCE_VF_PKT_NUM 7 +#define ETH_COALESCE_PKT_PER_DESC 2 + +struct tx_eth_coal_desc { + struct rte_mbuf *mbuf[ETH_COALESCE_PKT_PER_DESC]; + struct ulptx_sgl *sgl[ETH_COALESCE_PKT_PER_DESC]; + int idx; +}; + +struct tx_desc { + __be64 flit[8]; +}; + +struct tx_sw_desc { /* SW state per Tx descriptor */ + struct rte_mbuf *mbuf; + struct ulptx_sgl *sgl; + struct tx_eth_coal_desc coalesce; +}; + +enum { + EQ_STOPPED = (1 << 0), +}; + +struct eth_coalesce { + unsigned char *ptr; + unsigned char type; + unsigned int idx; + unsigned int len; + unsigned int flits; + unsigned int max; + __u8 ethmacdst[ETHER_ADDR_LEN]; + __u8 ethmacsrc[ETHER_ADDR_LEN]; + __be16 ethtype; + __be16 vlantci; +}; + +struct sge_txq { + struct tx_desc *desc; /* address of HW Tx descriptor ring */ + struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ + struct sge_qstat *stat; /* queue status entry */ + struct eth_coalesce coalesce; /* coalesce info */ + + uint64_t phys_addr; /* physical address of the ring */ + + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ + + unsigned int cntxt_id; /* SGE relative QID for the Tx Q */ + unsigned int in_use; /* # of in-use Tx descriptors */ + unsigned int size; /* # of descriptors */ + unsigned int cidx; /* SW consumer index */ + unsigned int pidx; /* producer index */ + unsigned int dbidx; /* last idx when db ring was done */ + unsigned int equeidx; /* last sent credit request */ + unsigned int last_pidx; /* last pidx recorded by tx monitor */ + unsigned int last_coal_idx;/* last coal-idx recorded by tx monitor */ + unsigned int abs_id; + + int db_disabled; /* doorbell state */ + unsigned short db_pidx; /* doorbell producer index */ + unsigned short db_pidx_inc; /* doorbell producer increment */ +}; + +struct sge_eth_tx_stats { /* Ethernet tx queue statistics */ + u64 pkts; /* # of ethernet packets */ + u64 tx_bytes; /* # of ethernet bytes */ + u64 tso; /* # of TSO requests */ + u64 tx_cso; /* # of Tx checksum offloads */ + u64 vlan_ins; /* # of Tx VLAN insertions */ + u64 mapping_err; /* # of I/O MMU packet mapping errors */ + u64 coal_wr; /* # of coalesced wr */ + u64 coal_pkts; /* # of coalesced packets */ +}; + +struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ + struct sge_txq q; + struct rte_eth_dev *eth_dev; /* port that this queue belongs to */ + struct rte_eth_dev_data *data; + struct sge_eth_tx_stats stats; /* queue statistics */ + rte_spinlock_t txq_lock; + + unsigned int flags; /* flags for state of the queue */ +} __rte_cache_aligned; + +struct sge_ctrl_txq { /* State for an SGE control Tx queue */ + struct sge_txq q; /* txq */ + struct adapter *adapter; /* adapter associated with this queue */ + rte_spinlock_t ctrlq_lock; /* control queue lock */ + u8 full; /* the Tx ring is full */ + u64 txp; /* number of transmits */ + struct rte_mempool *mb_pool; /* mempool to generate ctrl pkts */ +} __rte_cache_aligned; + +struct sge { + struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; + struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; + struct sge_rspq fw_evtq __rte_cache_aligned; + struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; + + u16 max_ethqsets; /* # of available Ethernet queue sets */ + u32 stat_len; /* length of status page at ring end */ + u32 pktshift; /* padding between CPL & packet data */ + + /* response queue interrupt parameters */ + u16 timer_val[SGE_NTIMERS]; + u8 counter_val[SGE_NCOUNTERS]; + + u32 fl_align; /* response queue message alignment */ + u32 fl_pg_order; /* large page allocation size */ + u32 fl_starve_thres; /* Free List starvation threshold */ +}; + +#define T4_OS_NEEDS_MBOX_LOCKING 1 + +/* + * OS Lock/List primitives for those interfaces in the Common Code which + * need this. + */ + +struct mbox_entry { + TAILQ_ENTRY(mbox_entry) next; +}; + +TAILQ_HEAD(mbox_list, mbox_entry); + +struct adapter_devargs { + bool keep_ovlan; + bool force_link_up; + bool tx_mode_latency; + u32 filtermode; + u32 filtermask; +}; + +struct adapter { + struct rte_pci_device *pdev; /* associated rte pci device */ + struct rte_eth_dev *eth_dev; /* first port's rte eth device */ + struct adapter_params params; /* adapter parameters */ + struct port_info *port[MAX_NPORTS];/* ports belonging to this adapter */ + struct sge sge; /* associated SGE */ + + /* support for single-threading access to adapter mailbox registers */ + struct mbox_list mbox_list; + rte_spinlock_t mbox_lock; + + u8 *regs; /* pointer to registers region */ + u8 *bar2; /* pointer to bar2 region */ + unsigned long flags; /* adapter flags */ + unsigned int mbox; /* associated mailbox */ + unsigned int pf; /* associated physical function id */ + + unsigned int vpd_busy; + unsigned int vpd_flag; + + int use_unpacked_mode; /* unpacked rx mode state */ + rte_spinlock_t win0_lock; + + rte_spinlock_t flow_lock; /* Serialize access for rte_flow ops */ + + unsigned int clipt_start; /* CLIP table start */ + unsigned int clipt_end; /* CLIP table end */ + unsigned int l2t_start; /* Layer 2 table start */ + unsigned int l2t_end; /* Layer 2 table end */ + struct clip_tbl *clipt; /* CLIP table */ + struct l2t_data *l2t; /* Layer 2 table */ + struct smt_data *smt; /* Source mac table */ + struct mpstcam_table *mpstcam; + + struct tid_info tids; /* Info used to access TID related tables */ + + struct adapter_devargs devargs; +}; + +/** + * t4_os_rwlock_init - initialize rwlock + * @lock: the rwlock + */ +static inline void t4_os_rwlock_init(rte_rwlock_t *lock) +{ + rte_rwlock_init(lock); +} + +/** + * t4_os_write_lock - get a write lock + * @lock: the rwlock + */ +static inline void t4_os_write_lock(rte_rwlock_t *lock) +{ + rte_rwlock_write_lock(lock); +} + +/** + * t4_os_write_unlock - unlock a write lock + * @lock: the rwlock + */ +static inline void t4_os_write_unlock(rte_rwlock_t *lock) +{ + rte_rwlock_write_unlock(lock); +} + +/** + * ethdev2pinfo - return the port_info structure associated with a rte_eth_dev + * @dev: the rte_eth_dev + * + * Return the struct port_info associated with a rte_eth_dev + */ +static inline struct port_info *ethdev2pinfo(const struct rte_eth_dev *dev) +{ + return dev->data->dev_private; +} + +/** + * adap2pinfo - return the port_info of a port + * @adap: the adapter + * @idx: the port index + * + * Return the port_info structure for the port of the given index. + */ +static inline struct port_info *adap2pinfo(const struct adapter *adap, int idx) +{ + return adap->port[idx]; +} + +/** + * ethdev2adap - return the adapter structure associated with a rte_eth_dev + * @dev: the rte_eth_dev + * + * Return the struct adapter associated with a rte_eth_dev + */ +static inline struct adapter *ethdev2adap(const struct rte_eth_dev *dev) +{ + return ethdev2pinfo(dev)->adapter; +} + +#define CXGBE_PCI_REG(reg) rte_read32(reg) + +static inline uint64_t cxgbe_read_addr64(volatile void *addr) +{ + uint64_t val = CXGBE_PCI_REG(addr); + uint64_t val2 = CXGBE_PCI_REG(((volatile uint8_t *)(addr) + 4)); + + val2 = (uint64_t)(val2 << 32); + val += val2; + return val; +} + +static inline uint32_t cxgbe_read_addr(volatile void *addr) +{ + return CXGBE_PCI_REG(addr); +} + +#define CXGBE_PCI_REG_ADDR(adap, reg) \ + ((volatile uint32_t *)((char *)(adap)->regs + (reg))) + +#define CXGBE_READ_REG(adap, reg) \ + cxgbe_read_addr(CXGBE_PCI_REG_ADDR((adap), (reg))) + +#define CXGBE_READ_REG64(adap, reg) \ + cxgbe_read_addr64(CXGBE_PCI_REG_ADDR((adap), (reg))) + +#define CXGBE_PCI_REG_WRITE(reg, value) rte_write32((value), (reg)) + +#define CXGBE_PCI_REG_WRITE_RELAXED(reg, value) \ + rte_write32_relaxed((value), (reg)) + +#define CXGBE_WRITE_REG(adap, reg, value) \ + CXGBE_PCI_REG_WRITE(CXGBE_PCI_REG_ADDR((adap), (reg)), (value)) + +#define CXGBE_WRITE_REG_RELAXED(adap, reg, value) \ + CXGBE_PCI_REG_WRITE_RELAXED(CXGBE_PCI_REG_ADDR((adap), (reg)), (value)) + +static inline uint64_t cxgbe_write_addr64(volatile void *addr, uint64_t val) +{ + CXGBE_PCI_REG_WRITE(addr, val); + CXGBE_PCI_REG_WRITE(((volatile uint8_t *)(addr) + 4), (val >> 32)); + return val; +} + +#define CXGBE_WRITE_REG64(adap, reg, value) \ + cxgbe_write_addr64(CXGBE_PCI_REG_ADDR((adap), (reg)), (value)) + +/** + * t4_read_reg - read a HW register + * @adapter: the adapter + * @reg_addr: the register address + * + * Returns the 32-bit value of the given HW register. + */ +static inline u32 t4_read_reg(struct adapter *adapter, u32 reg_addr) +{ + return CXGBE_READ_REG(adapter, reg_addr); +} + +/** + * t4_write_reg - write a HW register with barrier + * @adapter: the adapter + * @reg_addr: the register address + * @val: the value to write + * + * Write a 32-bit value into the given HW register. + */ +static inline void t4_write_reg(struct adapter *adapter, u32 reg_addr, u32 val) +{ + CXGBE_WRITE_REG(adapter, reg_addr, val); +} + +/** + * t4_write_reg_relaxed - write a HW register with no barrier + * @adapter: the adapter + * @reg_addr: the register address + * @val: the value to write + * + * Write a 32-bit value into the given HW register. + */ +static inline void t4_write_reg_relaxed(struct adapter *adapter, u32 reg_addr, + u32 val) +{ + CXGBE_WRITE_REG_RELAXED(adapter, reg_addr, val); +} + +/** + * t4_read_reg64 - read a 64-bit HW register + * @adapter: the adapter + * @reg_addr: the register address + * + * Returns the 64-bit value of the given HW register. + */ +static inline u64 t4_read_reg64(struct adapter *adapter, u32 reg_addr) +{ + return CXGBE_READ_REG64(adapter, reg_addr); +} + +/** + * t4_write_reg64 - write a 64-bit HW register + * @adapter: the adapter + * @reg_addr: the register address + * @val: the value to write + * + * Write a 64-bit value into the given HW register. + */ +static inline void t4_write_reg64(struct adapter *adapter, u32 reg_addr, + u64 val) +{ + CXGBE_WRITE_REG64(adapter, reg_addr, val); +} + +#define PCI_STATUS 0x06 /* 16 bits */ +#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ +#define PCI_CAPABILITY_LIST 0x34 +/* Offset of first capability list entry */ +#define PCI_CAP_ID_EXP 0x10 /* PCI Express */ +#define PCI_CAP_LIST_ID 0 /* Capability ID */ +#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ +#define PCI_EXP_DEVCTL 0x0008 /* Device control */ +#define PCI_EXP_DEVCTL2 40 /* Device Control 2 */ +#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */ +#define PCI_EXP_DEVCTL_PAYLOAD 0x00E0 /* Max payload */ +#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */ +#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */ +#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */ +#define PCI_VPD_DATA 4 /* 32-bits of data returned here */ + +/** + * t4_os_pci_write_cfg4 - 32-bit write to PCI config space + * @adapter: the adapter + * @addr: the register address + * @val: the value to write + * + * Write a 32-bit value into the given register in PCI config space. + */ +static inline void t4_os_pci_write_cfg4(struct adapter *adapter, size_t addr, + off_t val) +{ + u32 val32 = val; + + if (rte_pci_write_config(adapter->pdev, &val32, sizeof(val32), + addr) < 0) + dev_err(adapter, "Can't write to PCI config space\n"); +} + +/** + * t4_os_pci_read_cfg4 - read a 32-bit value from PCI config space + * @adapter: the adapter + * @addr: the register address + * @val: where to store the value read + * + * Read a 32-bit value from the given register in PCI config space. + */ +static inline void t4_os_pci_read_cfg4(struct adapter *adapter, size_t addr, + u32 *val) +{ + if (rte_pci_read_config(adapter->pdev, val, sizeof(*val), + addr) < 0) + dev_err(adapter, "Can't read from PCI config space\n"); +} + +/** + * t4_os_pci_write_cfg2 - 16-bit write to PCI config space + * @adapter: the adapter + * @addr: the register address + * @val: the value to write + * + * Write a 16-bit value into the given register in PCI config space. + */ +static inline void t4_os_pci_write_cfg2(struct adapter *adapter, size_t addr, + off_t val) +{ + u16 val16 = val; + + if (rte_pci_write_config(adapter->pdev, &val16, sizeof(val16), + addr) < 0) + dev_err(adapter, "Can't write to PCI config space\n"); +} + +/** + * t4_os_pci_read_cfg2 - read a 16-bit value from PCI config space + * @adapter: the adapter + * @addr: the register address + * @val: where to store the value read + * + * Read a 16-bit value from the given register in PCI config space. + */ +static inline void t4_os_pci_read_cfg2(struct adapter *adapter, size_t addr, + u16 *val) +{ + if (rte_pci_read_config(adapter->pdev, val, sizeof(*val), + addr) < 0) + dev_err(adapter, "Can't read from PCI config space\n"); +} + +/** + * t4_os_pci_read_cfg - read a 8-bit value from PCI config space + * @adapter: the adapter + * @addr: the register address + * @val: where to store the value read + * + * Read a 8-bit value from the given register in PCI config space. + */ +static inline void t4_os_pci_read_cfg(struct adapter *adapter, size_t addr, + u8 *val) +{ + if (rte_pci_read_config(adapter->pdev, val, sizeof(*val), + addr) < 0) + dev_err(adapter, "Can't read from PCI config space\n"); +} + +/** + * t4_os_find_pci_capability - lookup a capability in the PCI capability list + * @adapter: the adapter + * @cap: the capability + * + * Return the address of the given capability within the PCI capability list. + */ +static inline int t4_os_find_pci_capability(struct adapter *adapter, int cap) +{ + u16 status; + int ttl = 48; + u8 pos = 0; + u8 id = 0; + + t4_os_pci_read_cfg2(adapter, PCI_STATUS, &status); + if (!(status & PCI_STATUS_CAP_LIST)) { + dev_err(adapter, "PCIe capability reading failed\n"); + return -1; + } + + t4_os_pci_read_cfg(adapter, PCI_CAPABILITY_LIST, &pos); + while (ttl-- && pos >= 0x40) { + pos &= ~3; + t4_os_pci_read_cfg(adapter, (pos + PCI_CAP_LIST_ID), &id); + + if (id == 0xff) + break; + + if (id == cap) + return (int)pos; + + t4_os_pci_read_cfg(adapter, (pos + PCI_CAP_LIST_NEXT), &pos); + } + return 0; +} + +/** + * t4_os_set_hw_addr - store a port's MAC address in SW + * @adapter: the adapter + * @port_idx: the port index + * @hw_addr: the Ethernet address + * + * Store the Ethernet address of the given port in SW. Called by the + * common code when it retrieves a port's Ethernet address from EEPROM. + */ +static inline void t4_os_set_hw_addr(struct adapter *adapter, int port_idx, + u8 hw_addr[]) +{ + struct port_info *pi = adap2pinfo(adapter, port_idx); + + rte_ether_addr_copy((struct rte_ether_addr *)hw_addr, + &pi->eth_dev->data->mac_addrs[0]); +} + +/** + * t4_os_lock_init - initialize spinlock + * @lock: the spinlock + */ +static inline void t4_os_lock_init(rte_spinlock_t *lock) +{ + rte_spinlock_init(lock); +} + +/** + * t4_os_lock - spin until lock is acquired + * @lock: the spinlock + */ +static inline void t4_os_lock(rte_spinlock_t *lock) +{ + rte_spinlock_lock(lock); +} + +/** + * t4_os_unlock - unlock a spinlock + * @lock: the spinlock + */ +static inline void t4_os_unlock(rte_spinlock_t *lock) +{ + rte_spinlock_unlock(lock); +} + +/** + * t4_os_trylock - try to get a lock + * @lock: the spinlock + */ +static inline int t4_os_trylock(rte_spinlock_t *lock) +{ + return rte_spinlock_trylock(lock); +} + +/** + * t4_os_init_list_head - initialize + * @head: head of list to initialize [to empty] + */ +static inline void t4_os_init_list_head(struct mbox_list *head) +{ + TAILQ_INIT(head); +} + +static inline struct mbox_entry *t4_os_list_first_entry(struct mbox_list *head) +{ + return TAILQ_FIRST(head); +} + +/** + * t4_os_atomic_add_tail - Enqueue list element atomically onto list + * @new: the entry to be addded to the queue + * @head: current head of the linked list + * @lock: lock to use to guarantee atomicity + */ +static inline void t4_os_atomic_add_tail(struct mbox_entry *entry, + struct mbox_list *head, + rte_spinlock_t *lock) +{ + t4_os_lock(lock); + TAILQ_INSERT_TAIL(head, entry, next); + t4_os_unlock(lock); +} + +/** + * t4_os_atomic_list_del - Dequeue list element atomically from list + * @entry: the entry to be remove/dequeued from the list. + * @lock: the spinlock + */ +static inline void t4_os_atomic_list_del(struct mbox_entry *entry, + struct mbox_list *head, + rte_spinlock_t *lock) +{ + t4_os_lock(lock); + TAILQ_REMOVE(head, entry, next); + t4_os_unlock(lock); +} + +/** + * t4_init_completion - initialize completion + * @c: the completion context + */ +static inline void t4_init_completion(struct t4_completion *c) +{ + c->done = 0; + t4_os_lock_init(&c->lock); +} + +/** + * t4_complete - set completion as done + * @c: the completion context + */ +static inline void t4_complete(struct t4_completion *c) +{ + t4_os_lock(&c->lock); + c->done = 1; + t4_os_unlock(&c->lock); +} + +/** + * cxgbe_port_viid - get the VI id of a port + * @dev: the device for the port + * + * Return the VI id of the given port. + */ +static inline unsigned int cxgbe_port_viid(const struct rte_eth_dev *dev) +{ + return ethdev2pinfo(dev)->viid; +} + +void *t4_alloc_mem(size_t size); +void t4_free_mem(void *addr); +#define t4_os_alloc(_size) t4_alloc_mem((_size)) +#define t4_os_free(_ptr) t4_free_mem((_ptr)) + +void t4_os_portmod_changed(const struct adapter *adap, int port_id); +void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); + +void reclaim_completed_tx(struct sge_txq *q); +void t4_free_sge_resources(struct adapter *adap); +void t4_sge_tx_monitor_start(struct adapter *adap); +void t4_sge_tx_monitor_stop(struct adapter *adap); +int t4_eth_xmit(struct sge_eth_txq *txq, struct rte_mbuf *mbuf, + uint16_t nb_pkts); +int t4_mgmt_tx(struct sge_ctrl_txq *txq, struct rte_mbuf *mbuf); +int t4_sge_init(struct adapter *adap); +int t4vf_sge_init(struct adapter *adap); +int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, + struct rte_eth_dev *eth_dev, uint16_t queue_id, + unsigned int iqid, int socket_id); +int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, + struct rte_eth_dev *eth_dev, uint16_t queue_id, + unsigned int iqid, int socket_id); +int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *rspq, bool fwevtq, + struct rte_eth_dev *eth_dev, int intr_idx, + struct sge_fl *fl, rspq_handler_t handler, + int cong, struct rte_mempool *mp, int queue_id, + int socket_id); +int t4_sge_eth_txq_start(struct sge_eth_txq *txq); +int t4_sge_eth_txq_stop(struct sge_eth_txq *txq); +void t4_sge_eth_txq_release(struct adapter *adap, struct sge_eth_txq *txq); +int t4_sge_eth_rxq_start(struct adapter *adap, struct sge_rspq *rq); +int t4_sge_eth_rxq_stop(struct adapter *adap, struct sge_rspq *rq); +void t4_sge_eth_rxq_release(struct adapter *adap, struct sge_eth_rxq *rxq); +void t4_sge_eth_clear_queues(struct port_info *pi); +int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us, + unsigned int cnt); +int cxgbe_poll(struct sge_rspq *q, struct rte_mbuf **rx_pkts, + unsigned int budget, unsigned int *work_done); +int cxgbe_write_rss(const struct port_info *pi, const u16 *queues); +int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t flags); + +#endif /* __T4_ADAPTER_H__ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/common.h b/src/spdk/dpdk/drivers/net/cxgbe/base/common.h new file mode 100644 index 000000000..79c8fcb76 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/common.h @@ -0,0 +1,554 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __CHELSIO_COMMON_H +#define __CHELSIO_COMMON_H + +#include "../cxgbe_compat.h" +#include "t4_hw.h" +#include "t4vf_hw.h" +#include "t4_chip_type.h" +#include "t4fw_interface.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define CXGBE_PAGE_SIZE RTE_PGSIZE_4K + +#define T4_MEMORY_WRITE 0 +#define T4_MEMORY_READ 1 + +enum { + MAX_NPORTS = 4, /* max # of ports */ +}; + +enum { + T5_REGMAP_SIZE = (332 * 1024), +}; + +enum { + MEMWIN0_APERTURE = 2048, + MEMWIN0_BASE = 0x1b800, +}; + +enum dev_master { MASTER_CANT, MASTER_MAY, MASTER_MUST }; + +enum dev_state { DEV_STATE_UNINIT, DEV_STATE_INIT, DEV_STATE_ERR }; + +enum cc_pause { + PAUSE_RX = 1 << 0, + PAUSE_TX = 1 << 1, + PAUSE_AUTONEG = 1 << 2 +}; + +enum cc_fec { + FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */ + FEC_RS = 1 << 1, /* Reed-Solomon */ + FEC_BASER_RS = 1 << 2, /* BaseR/Reed-Solomon */ +}; + +enum { MEM_EDC0, MEM_EDC1, MEM_MC, MEM_MC0 = MEM_MC, MEM_MC1 }; + +struct port_stats { + u64 tx_octets; /* total # of octets in good frames */ + u64 tx_frames; /* all good frames */ + u64 tx_bcast_frames; /* all broadcast frames */ + u64 tx_mcast_frames; /* all multicast frames */ + u64 tx_ucast_frames; /* all unicast frames */ + u64 tx_error_frames; /* all error frames */ + + u64 tx_frames_64; /* # of Tx frames in a particular range */ + u64 tx_frames_65_127; + u64 tx_frames_128_255; + u64 tx_frames_256_511; + u64 tx_frames_512_1023; + u64 tx_frames_1024_1518; + u64 tx_frames_1519_max; + + u64 tx_drop; /* # of dropped Tx frames */ + u64 tx_pause; /* # of transmitted pause frames */ + u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ + u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ + u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ + u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ + u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ + u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ + u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ + u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ + + u64 rx_octets; /* total # of octets in good frames */ + u64 rx_frames; /* all good frames */ + u64 rx_bcast_frames; /* all broadcast frames */ + u64 rx_mcast_frames; /* all multicast frames */ + u64 rx_ucast_frames; /* all unicast frames */ + u64 rx_too_long; /* # of frames exceeding MTU */ + u64 rx_jabber; /* # of jabber frames */ + u64 rx_fcs_err; /* # of received frames with bad FCS */ + u64 rx_len_err; /* # of received frames with length error */ + u64 rx_symbol_err; /* symbol errors */ + u64 rx_runt; /* # of short frames */ + + u64 rx_frames_64; /* # of Rx frames in a particular range */ + u64 rx_frames_65_127; + u64 rx_frames_128_255; + u64 rx_frames_256_511; + u64 rx_frames_512_1023; + u64 rx_frames_1024_1518; + u64 rx_frames_1519_max; + + u64 rx_pause; /* # of received pause frames */ + u64 rx_ppp0; /* # of received PPP prio 0 frames */ + u64 rx_ppp1; /* # of received PPP prio 1 frames */ + u64 rx_ppp2; /* # of received PPP prio 2 frames */ + u64 rx_ppp3; /* # of received PPP prio 3 frames */ + u64 rx_ppp4; /* # of received PPP prio 4 frames */ + u64 rx_ppp5; /* # of received PPP prio 5 frames */ + u64 rx_ppp6; /* # of received PPP prio 6 frames */ + u64 rx_ppp7; /* # of received PPP prio 7 frames */ + + u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ + u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ + u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ + u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ + u64 rx_trunc0; /* buffer-group 0 truncated packets */ + u64 rx_trunc1; /* buffer-group 1 truncated packets */ + u64 rx_trunc2; /* buffer-group 2 truncated packets */ + u64 rx_trunc3; /* buffer-group 3 truncated packets */ +}; + +struct sge_params { + u32 hps; /* host page size for our PF/VF */ + u32 eq_qpp; /* egress queues/page for our PF/VF */ + u32 iq_qpp; /* egress queues/page for our PF/VF */ +}; + +struct tp_params { + unsigned int ntxchan; /* # of Tx channels */ + unsigned int tre; /* log2 of core clocks per TP tick */ + unsigned int dack_re; /* DACK timer resolution */ + unsigned int la_mask; /* what events are recorded by TP LA */ + unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ + + u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ + u32 filter_mask; + u32 ingress_config; /* cached TP_INGRESS_CONFIG */ + + /* cached TP_OUT_CONFIG compressed error vector + * and passing outer header info for encapsulated packets. + */ + int rx_pkt_encap; + + /* + * TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a + * subset of the set of fields which may be present in the Compressed + * Filter Tuple portion of filters and TCP TCB connections. The + * fields which are present are controlled by the TP_VLAN_PRI_MAP. + * Since a variable number of fields may or may not be present, their + * shifted field positions within the Compressed Filter Tuple may + * vary, or not even be present if the field isn't selected in + * TP_VLAN_PRI_MAP. Since some of these fields are needed in various + * places we store their offsets here, or a -1 if the field isn't + * present. + */ + int vlan_shift; + int vnic_shift; + int port_shift; + int protocol_shift; + int ethertype_shift; + int macmatch_shift; + int tos_shift; + + u64 hash_filter_mask; +}; + +struct vpd_params { + unsigned int cclk; +}; + +struct pci_params { + uint16_t vendor_id; + uint16_t device_id; + uint32_t vpd_cap_addr; + uint16_t speed; + uint8_t width; +}; + +/* + * Firmware device log. + */ +struct devlog_params { + u32 memtype; /* which memory (EDC0, EDC1, MC) */ + u32 start; /* start of log in firmware memory */ + u32 size; /* size of log */ +}; + +struct arch_specific_params { + u8 nchan; + u16 mps_rplc_size; + u16 vfcount; + u32 sge_fl_db; + u16 mps_tcam_size; +}; + +/* + * Global Receive Side Scaling (RSS) parameters in host-native format. + */ +struct rss_params { + unsigned int mode; /* RSS mode */ + union { + struct { + uint synmapen:1; /* SYN Map Enable */ + uint syn4tupenipv6:1; /* en 4-tuple IPv6 SYNs hash */ + uint syn2tupenipv6:1; /* en 2-tuple IPv6 SYNs hash */ + uint syn4tupenipv4:1; /* en 4-tuple IPv4 SYNs hash */ + uint syn2tupenipv4:1; /* en 2-tuple IPv4 SYNs hash */ + uint ofdmapen:1; /* Offload Map Enable */ + uint tnlmapen:1; /* Tunnel Map Enable */ + uint tnlalllookup:1; /* Tunnel All Lookup */ + uint hashtoeplitz:1; /* use Toeplitz hash */ + } basicvirtual; + } u; +}; + +/* + * Maximum resources provisioned for a PCI PF. + */ +struct pf_resources { + unsigned int neq; /* N egress Qs */ + unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */ +}; + +/* + * Maximum resources provisioned for a PCI VF. + */ +struct vf_resources { + unsigned int nvi; /* N virtual interfaces */ + unsigned int neq; /* N egress Qs */ + unsigned int nethctrl; /* N egress ETH or CTRL Qs */ + unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */ + unsigned int niq; /* N ingress Qs */ + unsigned int tc; /* PCI-E traffic class */ + unsigned int pmask; /* port access rights mask */ + unsigned int nexactf; /* N exact MPS filters */ + unsigned int r_caps; /* read capabilities */ + unsigned int wx_caps; /* write/execute capabilities */ +}; + +struct adapter_params { + struct sge_params sge; + struct tp_params tp; + struct vpd_params vpd; + struct pci_params pci; + struct devlog_params devlog; + struct rss_params rss; + struct pf_resources pfres; + struct vf_resources vfres; + enum pcie_memwin drv_memwin; + + unsigned int sf_size; /* serial flash size in bytes */ + unsigned int sf_nsec; /* # of flash sectors */ + + unsigned int fw_vers; + unsigned int bs_vers; + unsigned int tp_vers; + unsigned int er_vers; + + unsigned short mtus[NMTUS]; + unsigned short a_wnd[NCCTRL_WIN]; + unsigned short b_wnd[NCCTRL_WIN]; + + unsigned int mc_size; /* MC memory size */ + unsigned int cim_la_size; + + unsigned char nports; /* # of ethernet ports */ + unsigned char portvec; + + unsigned char hash_filter; + + enum chip_type chip; /* chip code */ + struct arch_specific_params arch; /* chip specific params */ + + bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */ + u8 fw_caps_support; /* 32-bit Port Capabilities */ + u8 filter2_wr_support; /* FW support for FILTER2_WR */ + u32 viid_smt_extn_support:1; /* FW returns vin and smt index */ + u32 max_tx_coalesce_num; /* Max # of Tx packets that can be coalesced */ +}; + +/* Firmware Port Capabilities types. + */ +typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */ +typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */ + +enum fw_caps { + FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */ + FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */ + FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */ +}; + +struct link_config { + fw_port_cap32_t pcaps; /* link capabilities */ + fw_port_cap32_t acaps; /* advertised capabilities */ + + u32 requested_speed; /* speed (Mb/s) user has requested */ + u32 speed; /* actual link speed (Mb/s) */ + + enum cc_pause requested_fc; /* flow control user has requested */ + enum cc_pause fc; /* actual link flow control */ + + enum cc_fec auto_fec; /* Forward Error Correction + * "automatic" (IEEE 802.3) + */ + enum cc_fec requested_fec; /* Forward Error Correction requested */ + enum cc_fec fec; /* Forward Error Correction actual */ + + unsigned char autoneg; /* autonegotiating? */ + + unsigned char link_ok; /* link up? */ + unsigned char link_down_rc; /* link down reason */ +}; + +#include "adapter.h" + +void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, + u32 val); +int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask, + int polarity, + int attempts, int delay, u32 *valp); + +static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask, + int polarity, int attempts, int delay) +{ + return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts, + delay, NULL); +} + +static inline int is_pf4(struct adapter *adap) +{ + return adap->pf == 4; +} + +#define for_each_port(adapter, iter) \ + for (iter = 0; iter < (adapter)->params.nports; ++iter) + +static inline int is_hashfilter(const struct adapter *adap) +{ + return adap->params.hash_filter; +} + +void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); +void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, + unsigned int mask, unsigned int val); +void t4_intr_enable(struct adapter *adapter); +void t4_intr_disable(struct adapter *adapter); +int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port, + struct link_config *lc); +void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, + const unsigned short *alpha, const unsigned short *beta); +int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, + enum dev_master master, enum dev_state *state); +int t4_fw_bye(struct adapter *adap, unsigned int mbox); +int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); +int t4vf_fw_reset(struct adapter *adap); +int t4_fw_halt(struct adapter *adap, unsigned int mbox, int reset); +int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset); +int t4_fl_pkt_align(struct adapter *adap); +int t4vf_fl_pkt_align(struct adapter *adap, u32 sge_control, u32 sge_control2); +int t4vf_get_vfres(struct adapter *adap); +int t4_fixup_host_params_compat(struct adapter *adap, unsigned int page_size, + unsigned int cache_line_size, + enum chip_type chip_compat); +int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, + unsigned int cache_line_size); +int t4_fw_initialize(struct adapter *adap, unsigned int mbox); +int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int nparams, const u32 *params, + u32 *val); +int t4vf_query_params(struct adapter *adap, unsigned int nparams, + const u32 *params, u32 *vals); +int t4vf_get_dev_params(struct adapter *adap); +int t4vf_get_vpd_params(struct adapter *adap); +int t4vf_get_rss_glb_config(struct adapter *adap); +int t4vf_set_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, const u32 *vals); +int t4_set_params_timeout(struct adapter *adap, unsigned int mbox, + unsigned int pf, unsigned int vf, + unsigned int nparams, const u32 *params, + const u32 *val, int timeout); +int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int nparams, const u32 *params, + const u32 *val); +int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox, + unsigned int port, unsigned int pf, unsigned int vf, + unsigned int nmac, u8 *mac, unsigned int *rss_size, + unsigned int portfunc, unsigned int idstype, + u8 *vivld, u8 *vin); +int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, + unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, + unsigned int *rss_size, u8 *vivild, u8 *vin); +int t4_free_vi(struct adapter *adap, unsigned int mbox, + unsigned int pf, unsigned int vf, + unsigned int viid); +int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, + int mtu, int promisc, int all_multi, int bcast, int vlanex, + bool sleep_ok); +int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid, + const u8 *addr, const u8 *mask, unsigned int idx, + u8 lookup_type, u8 port_id, bool sleep_ok); +int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid, + const u8 *addr, const u8 *mask, unsigned int idx, + u8 lookup_type, u8 port_id, bool sleep_ok); +int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, + int idx, const u8 *addr, bool persist, bool add_smt); +int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, + unsigned int viid, bool rx_en, bool tx_en, bool dcb_en); +int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, + bool rx_en, bool tx_en); +int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start, + unsigned int pf, unsigned int vf, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id); +int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int iqtype, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id); +int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int eqid); +int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int eqid); + +static inline unsigned int core_ticks_per_usec(const struct adapter *adap) +{ + return adap->params.vpd.cclk / 1000; +} + +static inline unsigned int us_to_core_ticks(const struct adapter *adap, + unsigned int us) +{ + return (us * adap->params.vpd.cclk) / 1000; +} + +static inline unsigned int core_ticks_to_us(const struct adapter *adapter, + unsigned int ticks) +{ + /* add Core Clock / 2 to round ticks to nearest uS */ + return ((ticks * 1000 + adapter->params.vpd.cclk / 2) / + adapter->params.vpd.cclk); +} + +int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd, + int size, void *rpl, bool sleep_ok, int timeout); +int t4_wr_mbox_meat(struct adapter *adap, int mbox, + const void __attribute__((__may_alias__)) *cmd, int size, + void *rpl, bool sleep_ok); + +static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox, + const void *cmd, int size, void *rpl, + int timeout) +{ + return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true, + timeout); +} + +int t4_get_core_clock(struct adapter *adapter, struct vpd_params *p); + +static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, + int size, void *rpl) +{ + return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); +} + +static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, + int size, void *rpl) +{ + return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); +} + +int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool); + +static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd, + int size, void *rpl) +{ + return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true); +} + +static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd, + int size, void *rpl) +{ + return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false); +} + + +void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, + unsigned int data_reg, u32 *vals, unsigned int nregs, + unsigned int start_idx); +void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, + unsigned int data_reg, const u32 *vals, + unsigned int nregs, unsigned int start_idx); + +int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p); +int t4_get_pfres(struct adapter *adapter); +int t4_read_flash(struct adapter *adapter, unsigned int addr, + unsigned int nwords, u32 *data, int byte_oriented); +int t4_flash_cfg_addr(struct adapter *adapter); +unsigned int t4_get_mps_bg_map(struct adapter *adapter, unsigned int pidx); +unsigned int t4_get_tp_ch_map(struct adapter *adapter, unsigned int pidx); +const char *t4_get_port_type_description(enum fw_port_type port_type); +void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); +void t4vf_get_port_stats(struct adapter *adapter, int pidx, + struct port_stats *p); +void t4_get_port_stats_offset(struct adapter *adap, int idx, + struct port_stats *stats, + struct port_stats *offset); +void t4_clr_port_stats(struct adapter *adap, int idx); +void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, + fw_port_cap32_t acaps); +void t4_reset_link_config(struct adapter *adap, int idx); +int t4_get_version_info(struct adapter *adapter); +void t4_dump_version_info(struct adapter *adapter); +int t4_get_flash_params(struct adapter *adapter); +int t4_get_chip_type(struct adapter *adap, int ver); +int t4_prep_adapter(struct adapter *adapter); +int t4vf_prep_adapter(struct adapter *adapter); +int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); +int t4vf_port_init(struct adapter *adap); +int t4_init_rss_mode(struct adapter *adap, int mbox); +int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, + int start, int n, const u16 *rspq, unsigned int nrspq); +int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, + unsigned int flags, unsigned int defq); +int t4_read_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, + u64 *flags, unsigned int *defq); +void t4_fw_tp_pio_rw(struct adapter *adap, u32 *vals, unsigned int nregs, + unsigned int start_index, unsigned int rw); +void t4_write_rss_key(struct adapter *adap, u32 *key, int idx); +void t4_read_rss_key(struct adapter *adap, u32 *key); + +enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; +int t4_bar2_sge_qregs(struct adapter *adapter, unsigned int qid, + enum t4_bar2_qtype qtype, u64 *pbar2_qoffset, + unsigned int *pbar2_qid); + +int t4_init_sge_params(struct adapter *adapter); +int t4_init_tp_params(struct adapter *adap); +int t4_filter_field_shift(const struct adapter *adap, unsigned int filter_sel); +int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); +unsigned int t4_get_regs_len(struct adapter *adap); +unsigned int t4vf_get_pf_from_vf(struct adapter *adap); +void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size); +int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data); +int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data); +int t4_seeprom_wp(struct adapter *adapter, int enable); +int t4_memory_rw_addr(struct adapter *adap, int win, + u32 addr, u32 len, void *hbuf, int dir); +int t4_memory_rw_mtype(struct adapter *adap, int win, int mtype, u32 maddr, + u32 len, void *hbuf, int dir); +static inline int t4_memory_rw(struct adapter *adap, int win, + int mtype, u32 maddr, u32 len, + void *hbuf, int dir) +{ + return t4_memory_rw_mtype(adap, win, mtype, maddr, len, hbuf, dir); +} +fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16); +#endif /* __CHELSIO_COMMON_H */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_chip_type.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_chip_type.h new file mode 100644 index 000000000..c0c5d0b2c --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_chip_type.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __T4_CHIP_TYPE_H__ +#define __T4_CHIP_TYPE_H__ + +/* + * All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where: + * + * V = "4" for T4; "5" for T5, etc. or + * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs + * PP = adapter product designation + * + * We use the "version" (V) of the adpater to code the Chip Version above. + */ +#define CHELSIO_PCI_ID_VER(devid) ((devid) >> 12) +#define CHELSIO_PCI_ID_FUNC(devid) (((devid) >> 8) & 0xf) +#define CHELSIO_PCI_ID_PROD(devid) ((devid) & 0xff) + +#define CHELSIO_T4 0x4 +#define CHELSIO_T5 0x5 +#define CHELSIO_T6 0x6 + +#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) +#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) +#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) + +enum chip_type { + T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), + T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), + T4_FIRST_REV = T4_A1, + T4_LAST_REV = T4_A2, + + T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), + T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), + T5_FIRST_REV = T5_A0, + T5_LAST_REV = T5_A1, + + T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0), + T6_FIRST_REV = T6_A0, + T6_LAST_REV = T6_A0, +}; + +static inline int is_t4(enum chip_type chip) +{ + return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4); +} + +static inline int is_t5(enum chip_type chip) +{ + return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5); +} + +static inline int is_t6(enum chip_type chip) +{ + return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T6); +} +#endif /* __T4_CHIP_TYPE_H__ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.c b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.c new file mode 100644 index 000000000..c8514c963 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.c @@ -0,0 +1,5701 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#include <netinet/in.h> + +#include <rte_interrupts.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_pci.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_memory.h> +#include <rte_tailq.h> +#include <rte_eal.h> +#include <rte_alarm.h> +#include <rte_ether.h> +#include <rte_ethdev_driver.h> +#include <rte_malloc.h> +#include <rte_random.h> +#include <rte_dev.h> +#include <rte_byteorder.h> + +#include "common.h" +#include "t4_regs.h" +#include "t4_regs_values.h" +#include "t4fw_interface.h" + +/** + * t4_read_mtu_tbl - returns the values in the HW path MTU table + * @adap: the adapter + * @mtus: where to store the MTU values + * @mtu_log: where to store the MTU base-2 log (may be %NULL) + * + * Reads the HW path MTU table. + */ +void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log) +{ + u32 v; + int i; + + for (i = 0; i < NMTUS; ++i) { + t4_write_reg(adap, A_TP_MTU_TABLE, + V_MTUINDEX(0xff) | V_MTUVALUE(i)); + v = t4_read_reg(adap, A_TP_MTU_TABLE); + mtus[i] = G_MTUVALUE(v); + if (mtu_log) + mtu_log[i] = G_MTUWIDTH(v); + } +} + +/** + * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register + * @adap: the adapter + * @addr: the indirect TP register address + * @mask: specifies the field within the register to modify + * @val: new value for the field + * + * Sets a field of an indirect TP register to the given value. + */ +void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, + unsigned int mask, unsigned int val) +{ + t4_write_reg(adap, A_TP_PIO_ADDR, addr); + val |= t4_read_reg(adap, A_TP_PIO_DATA) & ~mask; + t4_write_reg(adap, A_TP_PIO_DATA, val); +} + +/* The minimum additive increment value for the congestion control table */ +#define CC_MIN_INCR 2U + +/** + * t4_load_mtus - write the MTU and congestion control HW tables + * @adap: the adapter + * @mtus: the values for the MTU table + * @alpha: the values for the congestion control alpha parameter + * @beta: the values for the congestion control beta parameter + * + * Write the HW MTU table with the supplied MTUs and the high-speed + * congestion control table with the supplied alpha, beta, and MTUs. + * We write the two tables together because the additive increments + * depend on the MTUs. + */ +void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, + const unsigned short *alpha, const unsigned short *beta) +{ + static const unsigned int avg_pkts[NCCTRL_WIN] = { + 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640, + 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480, + 28672, 40960, 57344, 81920, 114688, 163840, 229376 + }; + + unsigned int i, w; + + for (i = 0; i < NMTUS; ++i) { + unsigned int mtu = mtus[i]; + unsigned int log2 = cxgbe_fls(mtu); + + if (!(mtu & ((1 << log2) >> 2))) /* round */ + log2--; + t4_write_reg(adap, A_TP_MTU_TABLE, V_MTUINDEX(i) | + V_MTUWIDTH(log2) | V_MTUVALUE(mtu)); + + for (w = 0; w < NCCTRL_WIN; ++w) { + unsigned int inc; + + inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w], + CC_MIN_INCR); + + t4_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) | + (w << 16) | (beta[w] << 13) | inc); + } + } +} + +/** + * t4_wait_op_done_val - wait until an operation is completed + * @adapter: the adapter performing the operation + * @reg: the register to check for completion + * @mask: a single-bit field within @reg that indicates completion + * @polarity: the value of the field when the operation is completed + * @attempts: number of check iterations + * @delay: delay in usecs between iterations + * @valp: where to store the value of the register at completion time + * + * Wait until an operation is completed by checking a bit in a register + * up to @attempts times. If @valp is not NULL the value of the register + * at the time it indicated completion is stored there. Returns 0 if the + * operation completes and -EAGAIN otherwise. + */ +int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask, + int polarity, int attempts, int delay, u32 *valp) +{ + while (1) { + u32 val = t4_read_reg(adapter, reg); + + if (!!(val & mask) == polarity) { + if (valp) + *valp = val; + return 0; + } + if (--attempts == 0) + return -EAGAIN; + if (delay) + udelay(delay); + } +} + +/** + * t4_set_reg_field - set a register field to a value + * @adapter: the adapter to program + * @addr: the register address + * @mask: specifies the portion of the register to modify + * @val: the new value for the register field + * + * Sets a register field specified by the supplied mask to the + * given value. + */ +void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask, + u32 val) +{ + u32 v = t4_read_reg(adapter, addr) & ~mask; + + t4_write_reg(adapter, addr, v | val); + (void)t4_read_reg(adapter, addr); /* flush */ +} + +/** + * t4_read_indirect - read indirectly addressed registers + * @adap: the adapter + * @addr_reg: register holding the indirect address + * @data_reg: register holding the value of the indirect register + * @vals: where the read register values are stored + * @nregs: how many indirect registers to read + * @start_idx: index of first indirect register to read + * + * Reads registers that are accessed indirectly through an address/data + * register pair. + */ +void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, + unsigned int data_reg, u32 *vals, unsigned int nregs, + unsigned int start_idx) +{ + while (nregs--) { + t4_write_reg(adap, addr_reg, start_idx); + *vals++ = t4_read_reg(adap, data_reg); + start_idx++; + } +} + +/** + * t4_write_indirect - write indirectly addressed registers + * @adap: the adapter + * @addr_reg: register holding the indirect addresses + * @data_reg: register holding the value for the indirect registers + * @vals: values to write + * @nregs: how many indirect registers to write + * @start_idx: address of first indirect register to write + * + * Writes a sequential block of registers that are accessed indirectly + * through an address/data register pair. + */ +void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, + unsigned int data_reg, const u32 *vals, + unsigned int nregs, unsigned int start_idx) +{ + while (nregs--) { + t4_write_reg(adap, addr_reg, start_idx++); + t4_write_reg(adap, data_reg, *vals++); + } +} + +/** + * t4_report_fw_error - report firmware error + * @adap: the adapter + * + * The adapter firmware can indicate error conditions to the host. + * If the firmware has indicated an error, print out the reason for + * the firmware error. + */ +static void t4_report_fw_error(struct adapter *adap) +{ + static const char * const reason[] = { + "Crash", /* PCIE_FW_EVAL_CRASH */ + "During Device Preparation", /* PCIE_FW_EVAL_PREP */ + "During Device Configuration", /* PCIE_FW_EVAL_CONF */ + "During Device Initialization", /* PCIE_FW_EVAL_INIT */ + "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */ + "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */ + "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */ + "Reserved", /* reserved */ + }; + u32 pcie_fw; + + pcie_fw = t4_read_reg(adap, A_PCIE_FW); + if (pcie_fw & F_PCIE_FW_ERR) + pr_err("%s: Firmware reports adapter error: %s\n", + __func__, reason[G_PCIE_FW_EVAL(pcie_fw)]); +} + +/* + * Get the reply to a mailbox command and store it in @rpl in big-endian order. + */ +static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit, + u32 mbox_addr) +{ + for ( ; nflit; nflit--, mbox_addr += 8) + *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr)); +} + +/* + * Handle a FW assertion reported in a mailbox. + */ +static void fw_asrt(struct adapter *adap, u32 mbox_addr) +{ + struct fw_debug_cmd asrt; + + get_mbox_rpl(adap, (__be64 *)&asrt, sizeof(asrt) / 8, mbox_addr); + pr_warn("FW assertion at %.16s:%u, val0 %#x, val1 %#x\n", + asrt.u.assert.filename_0_7, be32_to_cpu(asrt.u.assert.line), + be32_to_cpu(asrt.u.assert.x), be32_to_cpu(asrt.u.assert.y)); +} + +#define X_CIM_PF_NOACCESS 0xeeeeeeee + +/* + * If the Host OS Driver needs locking arround accesses to the mailbox, this + * can be turned on via the T4_OS_NEEDS_MBOX_LOCKING CPP define ... + */ +/* makes single-statement usage a bit cleaner ... */ +#ifdef T4_OS_NEEDS_MBOX_LOCKING +#define T4_OS_MBOX_LOCKING(x) x +#else +#define T4_OS_MBOX_LOCKING(x) do {} while (0) +#endif + +/** + * t4_wr_mbox_meat_timeout - send a command to FW through the given mailbox + * @adap: the adapter + * @mbox: index of the mailbox to use + * @cmd: the command to write + * @size: command length in bytes + * @rpl: where to optionally store the reply + * @sleep_ok: if true we may sleep while awaiting command completion + * @timeout: time to wait for command to finish before timing out + * (negative implies @sleep_ok=false) + * + * Sends the given command to FW through the selected mailbox and waits + * for the FW to execute the command. If @rpl is not %NULL it is used to + * store the FW's reply to the command. The command and its optional + * reply are of the same length. Some FW commands like RESET and + * INITIALIZE can take a considerable amount of time to execute. + * @sleep_ok determines whether we may sleep while awaiting the response. + * If sleeping is allowed we use progressive backoff otherwise we spin. + * Note that passing in a negative @timeout is an alternate mechanism + * for specifying @sleep_ok=false. This is useful when a higher level + * interface allows for specification of @timeout but not @sleep_ok ... + * + * Returns 0 on success or a negative errno on failure. A + * failure can happen either because we are not able to execute the + * command or FW executes it but signals an error. In the latter case + * the return value is the error code indicated by FW (negated). + */ +int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, + const void __attribute__((__may_alias__)) *cmd, + int size, void *rpl, bool sleep_ok, int timeout) +{ + /* + * We delay in small increments at first in an effort to maintain + * responsiveness for simple, fast executing commands but then back + * off to larger delays to a maximum retry delay. + */ + static const int delay[] = { + 1, 1, 3, 5, 10, 10, 20, 50, 100 + }; + + u32 v; + u64 res; + int i, ms; + unsigned int delay_idx; + __be64 *temp = (__be64 *)malloc(size * sizeof(char)); + __be64 *p = temp; + u32 data_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_DATA); + u32 ctl_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_CTRL); + u32 ctl; + struct mbox_entry entry; + u32 pcie_fw = 0; + + if (!temp) + return -ENOMEM; + + if ((size & 15) || size > MBOX_LEN) { + free(temp); + return -EINVAL; + } + + memset(p, 0, size); + memcpy(p, (const __be64 *)cmd, size); + + /* + * If we have a negative timeout, that implies that we can't sleep. + */ + if (timeout < 0) { + sleep_ok = false; + timeout = -timeout; + } + +#ifdef T4_OS_NEEDS_MBOX_LOCKING + /* + * Queue ourselves onto the mailbox access list. When our entry is at + * the front of the list, we have rights to access the mailbox. So we + * wait [for a while] till we're at the front [or bail out with an + * EBUSY] ... + */ + t4_os_atomic_add_tail(&entry, &adap->mbox_list, &adap->mbox_lock); + + delay_idx = 0; + ms = delay[0]; + + for (i = 0; ; i += ms) { + /* + * If we've waited too long, return a busy indication. This + * really ought to be based on our initial position in the + * mailbox access list but this is a start. We very rarely + * contend on access to the mailbox ... Also check for a + * firmware error which we'll report as a device error. + */ + pcie_fw = t4_read_reg(adap, A_PCIE_FW); + if (i > 4 * timeout || (pcie_fw & F_PCIE_FW_ERR)) { + t4_os_atomic_list_del(&entry, &adap->mbox_list, + &adap->mbox_lock); + t4_report_fw_error(adap); + free(temp); + return (pcie_fw & F_PCIE_FW_ERR) ? -ENXIO : -EBUSY; + } + + /* + * If we're at the head, break out and start the mailbox + * protocol. + */ + if (t4_os_list_first_entry(&adap->mbox_list) == &entry) + break; + + /* + * Delay for a bit before checking again ... + */ + if (sleep_ok) { + ms = delay[delay_idx]; /* last element may repeat */ + if (delay_idx < ARRAY_SIZE(delay) - 1) + delay_idx++; + msleep(ms); + } else { + rte_delay_ms(ms); + } + } +#endif /* T4_OS_NEEDS_MBOX_LOCKING */ + + /* + * Attempt to gain access to the mailbox. + */ + for (i = 0; i < 4; i++) { + ctl = t4_read_reg(adap, ctl_reg); + v = G_MBOWNER(ctl); + if (v != X_MBOWNER_NONE) + break; + } + + /* + * If we were unable to gain access, dequeue ourselves from the + * mailbox atomic access list and report the error to our caller. + */ + if (v != X_MBOWNER_PL) { + T4_OS_MBOX_LOCKING(t4_os_atomic_list_del(&entry, + &adap->mbox_list, + &adap->mbox_lock)); + t4_report_fw_error(adap); + free(temp); + return (v == X_MBOWNER_FW ? -EBUSY : -ETIMEDOUT); + } + + /* + * If we gain ownership of the mailbox and there's a "valid" message + * in it, this is likely an asynchronous error message from the + * firmware. So we'll report that and then proceed on with attempting + * to issue our own command ... which may well fail if the error + * presaged the firmware crashing ... + */ + if (ctl & F_MBMSGVALID) { + dev_err(adap, "found VALID command in mbox %u: " + "%llx %llx %llx %llx %llx %llx %llx %llx\n", mbox, + (unsigned long long)t4_read_reg64(adap, data_reg), + (unsigned long long)t4_read_reg64(adap, data_reg + 8), + (unsigned long long)t4_read_reg64(adap, data_reg + 16), + (unsigned long long)t4_read_reg64(adap, data_reg + 24), + (unsigned long long)t4_read_reg64(adap, data_reg + 32), + (unsigned long long)t4_read_reg64(adap, data_reg + 40), + (unsigned long long)t4_read_reg64(adap, data_reg + 48), + (unsigned long long)t4_read_reg64(adap, data_reg + 56)); + } + + /* + * Copy in the new mailbox command and send it on its way ... + */ + for (i = 0; i < size; i += 8, p++) + t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p)); + + CXGBE_DEBUG_MBOX(adap, "%s: mbox %u: %016llx %016llx %016llx %016llx " + "%016llx %016llx %016llx %016llx\n", __func__, (mbox), + (unsigned long long)t4_read_reg64(adap, data_reg), + (unsigned long long)t4_read_reg64(adap, data_reg + 8), + (unsigned long long)t4_read_reg64(adap, data_reg + 16), + (unsigned long long)t4_read_reg64(adap, data_reg + 24), + (unsigned long long)t4_read_reg64(adap, data_reg + 32), + (unsigned long long)t4_read_reg64(adap, data_reg + 40), + (unsigned long long)t4_read_reg64(adap, data_reg + 48), + (unsigned long long)t4_read_reg64(adap, data_reg + 56)); + + t4_write_reg(adap, ctl_reg, F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW)); + t4_read_reg(adap, ctl_reg); /* flush write */ + + delay_idx = 0; + ms = delay[0]; + + /* + * Loop waiting for the reply; bail out if we time out or the firmware + * reports an error. + */ + pcie_fw = t4_read_reg(adap, A_PCIE_FW); + for (i = 0; i < timeout && !(pcie_fw & F_PCIE_FW_ERR); i += ms) { + if (sleep_ok) { + ms = delay[delay_idx]; /* last element may repeat */ + if (delay_idx < ARRAY_SIZE(delay) - 1) + delay_idx++; + msleep(ms); + } else { + msleep(ms); + } + + pcie_fw = t4_read_reg(adap, A_PCIE_FW); + v = t4_read_reg(adap, ctl_reg); + if (v == X_CIM_PF_NOACCESS) + continue; + if (G_MBOWNER(v) == X_MBOWNER_PL) { + if (!(v & F_MBMSGVALID)) { + t4_write_reg(adap, ctl_reg, + V_MBOWNER(X_MBOWNER_NONE)); + continue; + } + + CXGBE_DEBUG_MBOX(adap, + "%s: mbox %u: %016llx %016llx %016llx %016llx " + "%016llx %016llx %016llx %016llx\n", __func__, (mbox), + (unsigned long long)t4_read_reg64(adap, data_reg), + (unsigned long long)t4_read_reg64(adap, data_reg + 8), + (unsigned long long)t4_read_reg64(adap, data_reg + 16), + (unsigned long long)t4_read_reg64(adap, data_reg + 24), + (unsigned long long)t4_read_reg64(adap, data_reg + 32), + (unsigned long long)t4_read_reg64(adap, data_reg + 40), + (unsigned long long)t4_read_reg64(adap, data_reg + 48), + (unsigned long long)t4_read_reg64(adap, data_reg + 56)); + + CXGBE_DEBUG_MBOX(adap, + "command %#x completed in %d ms (%ssleeping)\n", + *(const u8 *)cmd, + i + ms, sleep_ok ? "" : "non-"); + + res = t4_read_reg64(adap, data_reg); + if (G_FW_CMD_OP(res >> 32) == FW_DEBUG_CMD) { + fw_asrt(adap, data_reg); + res = V_FW_CMD_RETVAL(EIO); + } else if (rpl) { + get_mbox_rpl(adap, rpl, size / 8, data_reg); + } + t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE)); + T4_OS_MBOX_LOCKING( + t4_os_atomic_list_del(&entry, &adap->mbox_list, + &adap->mbox_lock)); + free(temp); + return -G_FW_CMD_RETVAL((int)res); + } + } + + /* + * We timed out waiting for a reply to our mailbox command. Report + * the error and also check to see if the firmware reported any + * errors ... + */ + dev_err(adap, "command %#x in mailbox %d timed out\n", + *(const u8 *)cmd, mbox); + T4_OS_MBOX_LOCKING(t4_os_atomic_list_del(&entry, + &adap->mbox_list, + &adap->mbox_lock)); + t4_report_fw_error(adap); + free(temp); + return (pcie_fw & F_PCIE_FW_ERR) ? -ENXIO : -ETIMEDOUT; +} + +int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, + void *rpl, bool sleep_ok) +{ + return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, sleep_ok, + FW_CMD_MAX_TIMEOUT); +} + +/** + * t4_get_regs_len - return the size of the chips register set + * @adapter: the adapter + * + * Returns the size of the chip's BAR0 register space. + */ +unsigned int t4_get_regs_len(struct adapter *adapter) +{ + unsigned int chip_version = CHELSIO_CHIP_VERSION(adapter->params.chip); + + switch (chip_version) { + case CHELSIO_T5: + case CHELSIO_T6: + return T5_REGMAP_SIZE; + } + + dev_err(adapter, + "Unsupported chip version %d\n", chip_version); + return 0; +} + +/** + * t4_get_regs - read chip registers into provided buffer + * @adap: the adapter + * @buf: register buffer + * @buf_size: size (in bytes) of register buffer + * + * If the provided register buffer isn't large enough for the chip's + * full register range, the register dump will be truncated to the + * register buffer's size. + */ +void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size) +{ + static const unsigned int t5_reg_ranges[] = { + 0x1008, 0x10c0, + 0x10cc, 0x10f8, + 0x1100, 0x1100, + 0x110c, 0x1148, + 0x1180, 0x1184, + 0x1190, 0x1194, + 0x11a0, 0x11a4, + 0x11b0, 0x11b4, + 0x11fc, 0x123c, + 0x1280, 0x173c, + 0x1800, 0x18fc, + 0x3000, 0x3028, + 0x3060, 0x30b0, + 0x30b8, 0x30d8, + 0x30e0, 0x30fc, + 0x3140, 0x357c, + 0x35a8, 0x35cc, + 0x35ec, 0x35ec, + 0x3600, 0x5624, + 0x56cc, 0x56ec, + 0x56f4, 0x5720, + 0x5728, 0x575c, + 0x580c, 0x5814, + 0x5890, 0x589c, + 0x58a4, 0x58ac, + 0x58b8, 0x58bc, + 0x5940, 0x59c8, + 0x59d0, 0x59dc, + 0x59fc, 0x5a18, + 0x5a60, 0x5a70, + 0x5a80, 0x5a9c, + 0x5b94, 0x5bfc, + 0x6000, 0x6020, + 0x6028, 0x6040, + 0x6058, 0x609c, + 0x60a8, 0x614c, + 0x7700, 0x7798, + 0x77c0, 0x78fc, + 0x7b00, 0x7b58, + 0x7b60, 0x7b84, + 0x7b8c, 0x7c54, + 0x7d00, 0x7d38, + 0x7d40, 0x7d80, + 0x7d8c, 0x7ddc, + 0x7de4, 0x7e04, + 0x7e10, 0x7e1c, + 0x7e24, 0x7e38, + 0x7e40, 0x7e44, + 0x7e4c, 0x7e78, + 0x7e80, 0x7edc, + 0x7ee8, 0x7efc, + 0x8dc0, 0x8de0, + 0x8df8, 0x8e04, + 0x8e10, 0x8e84, + 0x8ea0, 0x8f84, + 0x8fc0, 0x9058, + 0x9060, 0x9060, + 0x9068, 0x90f8, + 0x9400, 0x9408, + 0x9410, 0x9470, + 0x9600, 0x9600, + 0x9608, 0x9638, + 0x9640, 0x96f4, + 0x9800, 0x9808, + 0x9820, 0x983c, + 0x9850, 0x9864, + 0x9c00, 0x9c6c, + 0x9c80, 0x9cec, + 0x9d00, 0x9d6c, + 0x9d80, 0x9dec, + 0x9e00, 0x9e6c, + 0x9e80, 0x9eec, + 0x9f00, 0x9f6c, + 0x9f80, 0xa020, + 0xd004, 0xd004, + 0xd010, 0xd03c, + 0xdfc0, 0xdfe0, + 0xe000, 0x1106c, + 0x11074, 0x11088, + 0x1109c, 0x1117c, + 0x11190, 0x11204, + 0x19040, 0x1906c, + 0x19078, 0x19080, + 0x1908c, 0x190e8, + 0x190f0, 0x190f8, + 0x19100, 0x19110, + 0x19120, 0x19124, + 0x19150, 0x19194, + 0x1919c, 0x191b0, + 0x191d0, 0x191e8, + 0x19238, 0x19290, + 0x193f8, 0x19428, + 0x19430, 0x19444, + 0x1944c, 0x1946c, + 0x19474, 0x19474, + 0x19490, 0x194cc, + 0x194f0, 0x194f8, + 0x19c00, 0x19c08, + 0x19c10, 0x19c60, + 0x19c94, 0x19ce4, + 0x19cf0, 0x19d40, + 0x19d50, 0x19d94, + 0x19da0, 0x19de8, + 0x19df0, 0x19e10, + 0x19e50, 0x19e90, + 0x19ea0, 0x19f24, + 0x19f34, 0x19f34, + 0x19f40, 0x19f50, + 0x19f90, 0x19fb4, + 0x19fc4, 0x19fe4, + 0x1a000, 0x1a004, + 0x1a010, 0x1a06c, + 0x1a0b0, 0x1a0e4, + 0x1a0ec, 0x1a0f8, + 0x1a100, 0x1a108, + 0x1a114, 0x1a120, + 0x1a128, 0x1a130, + 0x1a138, 0x1a138, + 0x1a190, 0x1a1c4, + 0x1a1fc, 0x1a1fc, + 0x1e008, 0x1e00c, + 0x1e040, 0x1e044, + 0x1e04c, 0x1e04c, + 0x1e284, 0x1e290, + 0x1e2c0, 0x1e2c0, + 0x1e2e0, 0x1e2e0, + 0x1e300, 0x1e384, + 0x1e3c0, 0x1e3c8, + 0x1e408, 0x1e40c, + 0x1e440, 0x1e444, + 0x1e44c, 0x1e44c, + 0x1e684, 0x1e690, + 0x1e6c0, 0x1e6c0, + 0x1e6e0, 0x1e6e0, + 0x1e700, 0x1e784, + 0x1e7c0, 0x1e7c8, + 0x1e808, 0x1e80c, + 0x1e840, 0x1e844, + 0x1e84c, 0x1e84c, + 0x1ea84, 0x1ea90, + 0x1eac0, 0x1eac0, + 0x1eae0, 0x1eae0, + 0x1eb00, 0x1eb84, + 0x1ebc0, 0x1ebc8, + 0x1ec08, 0x1ec0c, + 0x1ec40, 0x1ec44, + 0x1ec4c, 0x1ec4c, + 0x1ee84, 0x1ee90, + 0x1eec0, 0x1eec0, + 0x1eee0, 0x1eee0, + 0x1ef00, 0x1ef84, + 0x1efc0, 0x1efc8, + 0x1f008, 0x1f00c, + 0x1f040, 0x1f044, + 0x1f04c, 0x1f04c, + 0x1f284, 0x1f290, + 0x1f2c0, 0x1f2c0, + 0x1f2e0, 0x1f2e0, + 0x1f300, 0x1f384, + 0x1f3c0, 0x1f3c8, + 0x1f408, 0x1f40c, + 0x1f440, 0x1f444, + 0x1f44c, 0x1f44c, + 0x1f684, 0x1f690, + 0x1f6c0, 0x1f6c0, + 0x1f6e0, 0x1f6e0, + 0x1f700, 0x1f784, + 0x1f7c0, 0x1f7c8, + 0x1f808, 0x1f80c, + 0x1f840, 0x1f844, + 0x1f84c, 0x1f84c, + 0x1fa84, 0x1fa90, + 0x1fac0, 0x1fac0, + 0x1fae0, 0x1fae0, + 0x1fb00, 0x1fb84, + 0x1fbc0, 0x1fbc8, + 0x1fc08, 0x1fc0c, + 0x1fc40, 0x1fc44, + 0x1fc4c, 0x1fc4c, + 0x1fe84, 0x1fe90, + 0x1fec0, 0x1fec0, + 0x1fee0, 0x1fee0, + 0x1ff00, 0x1ff84, + 0x1ffc0, 0x1ffc8, + 0x30000, 0x30030, + 0x30038, 0x30038, + 0x30040, 0x30040, + 0x30100, 0x30144, + 0x30190, 0x301a0, + 0x301a8, 0x301b8, + 0x301c4, 0x301c8, + 0x301d0, 0x301d0, + 0x30200, 0x30318, + 0x30400, 0x304b4, + 0x304c0, 0x3052c, + 0x30540, 0x3061c, + 0x30800, 0x30828, + 0x30834, 0x30834, + 0x308c0, 0x30908, + 0x30910, 0x309ac, + 0x30a00, 0x30a14, + 0x30a1c, 0x30a2c, + 0x30a44, 0x30a50, + 0x30a74, 0x30a74, + 0x30a7c, 0x30afc, + 0x30b08, 0x30c24, + 0x30d00, 0x30d00, + 0x30d08, 0x30d14, + 0x30d1c, 0x30d20, + 0x30d3c, 0x30d3c, + 0x30d48, 0x30d50, + 0x31200, 0x3120c, + 0x31220, 0x31220, + 0x31240, 0x31240, + 0x31600, 0x3160c, + 0x31a00, 0x31a1c, + 0x31e00, 0x31e20, + 0x31e38, 0x31e3c, + 0x31e80, 0x31e80, + 0x31e88, 0x31ea8, + 0x31eb0, 0x31eb4, + 0x31ec8, 0x31ed4, + 0x31fb8, 0x32004, + 0x32200, 0x32200, + 0x32208, 0x32240, + 0x32248, 0x32280, + 0x32288, 0x322c0, + 0x322c8, 0x322fc, + 0x32600, 0x32630, + 0x32a00, 0x32abc, + 0x32b00, 0x32b10, + 0x32b20, 0x32b30, + 0x32b40, 0x32b50, + 0x32b60, 0x32b70, + 0x33000, 0x33028, + 0x33030, 0x33048, + 0x33060, 0x33068, + 0x33070, 0x3309c, + 0x330f0, 0x33128, + 0x33130, 0x33148, + 0x33160, 0x33168, + 0x33170, 0x3319c, + 0x331f0, 0x33238, + 0x33240, 0x33240, + 0x33248, 0x33250, + 0x3325c, 0x33264, + 0x33270, 0x332b8, + 0x332c0, 0x332e4, + 0x332f8, 0x33338, + 0x33340, 0x33340, + 0x33348, 0x33350, + 0x3335c, 0x33364, + 0x33370, 0x333b8, + 0x333c0, 0x333e4, + 0x333f8, 0x33428, + 0x33430, 0x33448, + 0x33460, 0x33468, + 0x33470, 0x3349c, + 0x334f0, 0x33528, + 0x33530, 0x33548, + 0x33560, 0x33568, + 0x33570, 0x3359c, + 0x335f0, 0x33638, + 0x33640, 0x33640, + 0x33648, 0x33650, + 0x3365c, 0x33664, + 0x33670, 0x336b8, + 0x336c0, 0x336e4, + 0x336f8, 0x33738, + 0x33740, 0x33740, + 0x33748, 0x33750, + 0x3375c, 0x33764, + 0x33770, 0x337b8, + 0x337c0, 0x337e4, + 0x337f8, 0x337fc, + 0x33814, 0x33814, + 0x3382c, 0x3382c, + 0x33880, 0x3388c, + 0x338e8, 0x338ec, + 0x33900, 0x33928, + 0x33930, 0x33948, + 0x33960, 0x33968, + 0x33970, 0x3399c, + 0x339f0, 0x33a38, + 0x33a40, 0x33a40, + 0x33a48, 0x33a50, + 0x33a5c, 0x33a64, + 0x33a70, 0x33ab8, + 0x33ac0, 0x33ae4, + 0x33af8, 0x33b10, + 0x33b28, 0x33b28, + 0x33b3c, 0x33b50, + 0x33bf0, 0x33c10, + 0x33c28, 0x33c28, + 0x33c3c, 0x33c50, + 0x33cf0, 0x33cfc, + 0x34000, 0x34030, + 0x34038, 0x34038, + 0x34040, 0x34040, + 0x34100, 0x34144, + 0x34190, 0x341a0, + 0x341a8, 0x341b8, + 0x341c4, 0x341c8, + 0x341d0, 0x341d0, + 0x34200, 0x34318, + 0x34400, 0x344b4, + 0x344c0, 0x3452c, + 0x34540, 0x3461c, + 0x34800, 0x34828, + 0x34834, 0x34834, + 0x348c0, 0x34908, + 0x34910, 0x349ac, + 0x34a00, 0x34a14, + 0x34a1c, 0x34a2c, + 0x34a44, 0x34a50, + 0x34a74, 0x34a74, + 0x34a7c, 0x34afc, + 0x34b08, 0x34c24, + 0x34d00, 0x34d00, + 0x34d08, 0x34d14, + 0x34d1c, 0x34d20, + 0x34d3c, 0x34d3c, + 0x34d48, 0x34d50, + 0x35200, 0x3520c, + 0x35220, 0x35220, + 0x35240, 0x35240, + 0x35600, 0x3560c, + 0x35a00, 0x35a1c, + 0x35e00, 0x35e20, + 0x35e38, 0x35e3c, + 0x35e80, 0x35e80, + 0x35e88, 0x35ea8, + 0x35eb0, 0x35eb4, + 0x35ec8, 0x35ed4, + 0x35fb8, 0x36004, + 0x36200, 0x36200, + 0x36208, 0x36240, + 0x36248, 0x36280, + 0x36288, 0x362c0, + 0x362c8, 0x362fc, + 0x36600, 0x36630, + 0x36a00, 0x36abc, + 0x36b00, 0x36b10, + 0x36b20, 0x36b30, + 0x36b40, 0x36b50, + 0x36b60, 0x36b70, + 0x37000, 0x37028, + 0x37030, 0x37048, + 0x37060, 0x37068, + 0x37070, 0x3709c, + 0x370f0, 0x37128, + 0x37130, 0x37148, + 0x37160, 0x37168, + 0x37170, 0x3719c, + 0x371f0, 0x37238, + 0x37240, 0x37240, + 0x37248, 0x37250, + 0x3725c, 0x37264, + 0x37270, 0x372b8, + 0x372c0, 0x372e4, + 0x372f8, 0x37338, + 0x37340, 0x37340, + 0x37348, 0x37350, + 0x3735c, 0x37364, + 0x37370, 0x373b8, + 0x373c0, 0x373e4, + 0x373f8, 0x37428, + 0x37430, 0x37448, + 0x37460, 0x37468, + 0x37470, 0x3749c, + 0x374f0, 0x37528, + 0x37530, 0x37548, + 0x37560, 0x37568, + 0x37570, 0x3759c, + 0x375f0, 0x37638, + 0x37640, 0x37640, + 0x37648, 0x37650, + 0x3765c, 0x37664, + 0x37670, 0x376b8, + 0x376c0, 0x376e4, + 0x376f8, 0x37738, + 0x37740, 0x37740, + 0x37748, 0x37750, + 0x3775c, 0x37764, + 0x37770, 0x377b8, + 0x377c0, 0x377e4, + 0x377f8, 0x377fc, + 0x37814, 0x37814, + 0x3782c, 0x3782c, + 0x37880, 0x3788c, + 0x378e8, 0x378ec, + 0x37900, 0x37928, + 0x37930, 0x37948, + 0x37960, 0x37968, + 0x37970, 0x3799c, + 0x379f0, 0x37a38, + 0x37a40, 0x37a40, + 0x37a48, 0x37a50, + 0x37a5c, 0x37a64, + 0x37a70, 0x37ab8, + 0x37ac0, 0x37ae4, + 0x37af8, 0x37b10, + 0x37b28, 0x37b28, + 0x37b3c, 0x37b50, + 0x37bf0, 0x37c10, + 0x37c28, 0x37c28, + 0x37c3c, 0x37c50, + 0x37cf0, 0x37cfc, + 0x38000, 0x38030, + 0x38038, 0x38038, + 0x38040, 0x38040, + 0x38100, 0x38144, + 0x38190, 0x381a0, + 0x381a8, 0x381b8, + 0x381c4, 0x381c8, + 0x381d0, 0x381d0, + 0x38200, 0x38318, + 0x38400, 0x384b4, + 0x384c0, 0x3852c, + 0x38540, 0x3861c, + 0x38800, 0x38828, + 0x38834, 0x38834, + 0x388c0, 0x38908, + 0x38910, 0x389ac, + 0x38a00, 0x38a14, + 0x38a1c, 0x38a2c, + 0x38a44, 0x38a50, + 0x38a74, 0x38a74, + 0x38a7c, 0x38afc, + 0x38b08, 0x38c24, + 0x38d00, 0x38d00, + 0x38d08, 0x38d14, + 0x38d1c, 0x38d20, + 0x38d3c, 0x38d3c, + 0x38d48, 0x38d50, + 0x39200, 0x3920c, + 0x39220, 0x39220, + 0x39240, 0x39240, + 0x39600, 0x3960c, + 0x39a00, 0x39a1c, + 0x39e00, 0x39e20, + 0x39e38, 0x39e3c, + 0x39e80, 0x39e80, + 0x39e88, 0x39ea8, + 0x39eb0, 0x39eb4, + 0x39ec8, 0x39ed4, + 0x39fb8, 0x3a004, + 0x3a200, 0x3a200, + 0x3a208, 0x3a240, + 0x3a248, 0x3a280, + 0x3a288, 0x3a2c0, + 0x3a2c8, 0x3a2fc, + 0x3a600, 0x3a630, + 0x3aa00, 0x3aabc, + 0x3ab00, 0x3ab10, + 0x3ab20, 0x3ab30, + 0x3ab40, 0x3ab50, + 0x3ab60, 0x3ab70, + 0x3b000, 0x3b028, + 0x3b030, 0x3b048, + 0x3b060, 0x3b068, + 0x3b070, 0x3b09c, + 0x3b0f0, 0x3b128, + 0x3b130, 0x3b148, + 0x3b160, 0x3b168, + 0x3b170, 0x3b19c, + 0x3b1f0, 0x3b238, + 0x3b240, 0x3b240, + 0x3b248, 0x3b250, + 0x3b25c, 0x3b264, + 0x3b270, 0x3b2b8, + 0x3b2c0, 0x3b2e4, + 0x3b2f8, 0x3b338, + 0x3b340, 0x3b340, + 0x3b348, 0x3b350, + 0x3b35c, 0x3b364, + 0x3b370, 0x3b3b8, + 0x3b3c0, 0x3b3e4, + 0x3b3f8, 0x3b428, + 0x3b430, 0x3b448, + 0x3b460, 0x3b468, + 0x3b470, 0x3b49c, + 0x3b4f0, 0x3b528, + 0x3b530, 0x3b548, + 0x3b560, 0x3b568, + 0x3b570, 0x3b59c, + 0x3b5f0, 0x3b638, + 0x3b640, 0x3b640, + 0x3b648, 0x3b650, + 0x3b65c, 0x3b664, + 0x3b670, 0x3b6b8, + 0x3b6c0, 0x3b6e4, + 0x3b6f8, 0x3b738, + 0x3b740, 0x3b740, + 0x3b748, 0x3b750, + 0x3b75c, 0x3b764, + 0x3b770, 0x3b7b8, + 0x3b7c0, 0x3b7e4, + 0x3b7f8, 0x3b7fc, + 0x3b814, 0x3b814, + 0x3b82c, 0x3b82c, + 0x3b880, 0x3b88c, + 0x3b8e8, 0x3b8ec, + 0x3b900, 0x3b928, + 0x3b930, 0x3b948, + 0x3b960, 0x3b968, + 0x3b970, 0x3b99c, + 0x3b9f0, 0x3ba38, + 0x3ba40, 0x3ba40, + 0x3ba48, 0x3ba50, + 0x3ba5c, 0x3ba64, + 0x3ba70, 0x3bab8, + 0x3bac0, 0x3bae4, + 0x3baf8, 0x3bb10, + 0x3bb28, 0x3bb28, + 0x3bb3c, 0x3bb50, + 0x3bbf0, 0x3bc10, + 0x3bc28, 0x3bc28, + 0x3bc3c, 0x3bc50, + 0x3bcf0, 0x3bcfc, + 0x3c000, 0x3c030, + 0x3c038, 0x3c038, + 0x3c040, 0x3c040, + 0x3c100, 0x3c144, + 0x3c190, 0x3c1a0, + 0x3c1a8, 0x3c1b8, + 0x3c1c4, 0x3c1c8, + 0x3c1d0, 0x3c1d0, + 0x3c200, 0x3c318, + 0x3c400, 0x3c4b4, + 0x3c4c0, 0x3c52c, + 0x3c540, 0x3c61c, + 0x3c800, 0x3c828, + 0x3c834, 0x3c834, + 0x3c8c0, 0x3c908, + 0x3c910, 0x3c9ac, + 0x3ca00, 0x3ca14, + 0x3ca1c, 0x3ca2c, + 0x3ca44, 0x3ca50, + 0x3ca74, 0x3ca74, + 0x3ca7c, 0x3cafc, + 0x3cb08, 0x3cc24, + 0x3cd00, 0x3cd00, + 0x3cd08, 0x3cd14, + 0x3cd1c, 0x3cd20, + 0x3cd3c, 0x3cd3c, + 0x3cd48, 0x3cd50, + 0x3d200, 0x3d20c, + 0x3d220, 0x3d220, + 0x3d240, 0x3d240, + 0x3d600, 0x3d60c, + 0x3da00, 0x3da1c, + 0x3de00, 0x3de20, + 0x3de38, 0x3de3c, + 0x3de80, 0x3de80, + 0x3de88, 0x3dea8, + 0x3deb0, 0x3deb4, + 0x3dec8, 0x3ded4, + 0x3dfb8, 0x3e004, + 0x3e200, 0x3e200, + 0x3e208, 0x3e240, + 0x3e248, 0x3e280, + 0x3e288, 0x3e2c0, + 0x3e2c8, 0x3e2fc, + 0x3e600, 0x3e630, + 0x3ea00, 0x3eabc, + 0x3eb00, 0x3eb10, + 0x3eb20, 0x3eb30, + 0x3eb40, 0x3eb50, + 0x3eb60, 0x3eb70, + 0x3f000, 0x3f028, + 0x3f030, 0x3f048, + 0x3f060, 0x3f068, + 0x3f070, 0x3f09c, + 0x3f0f0, 0x3f128, + 0x3f130, 0x3f148, + 0x3f160, 0x3f168, + 0x3f170, 0x3f19c, + 0x3f1f0, 0x3f238, + 0x3f240, 0x3f240, + 0x3f248, 0x3f250, + 0x3f25c, 0x3f264, + 0x3f270, 0x3f2b8, + 0x3f2c0, 0x3f2e4, + 0x3f2f8, 0x3f338, + 0x3f340, 0x3f340, + 0x3f348, 0x3f350, + 0x3f35c, 0x3f364, + 0x3f370, 0x3f3b8, + 0x3f3c0, 0x3f3e4, + 0x3f3f8, 0x3f428, + 0x3f430, 0x3f448, + 0x3f460, 0x3f468, + 0x3f470, 0x3f49c, + 0x3f4f0, 0x3f528, + 0x3f530, 0x3f548, + 0x3f560, 0x3f568, + 0x3f570, 0x3f59c, + 0x3f5f0, 0x3f638, + 0x3f640, 0x3f640, + 0x3f648, 0x3f650, + 0x3f65c, 0x3f664, + 0x3f670, 0x3f6b8, + 0x3f6c0, 0x3f6e4, + 0x3f6f8, 0x3f738, + 0x3f740, 0x3f740, + 0x3f748, 0x3f750, + 0x3f75c, 0x3f764, + 0x3f770, 0x3f7b8, + 0x3f7c0, 0x3f7e4, + 0x3f7f8, 0x3f7fc, + 0x3f814, 0x3f814, + 0x3f82c, 0x3f82c, + 0x3f880, 0x3f88c, + 0x3f8e8, 0x3f8ec, + 0x3f900, 0x3f928, + 0x3f930, 0x3f948, + 0x3f960, 0x3f968, + 0x3f970, 0x3f99c, + 0x3f9f0, 0x3fa38, + 0x3fa40, 0x3fa40, + 0x3fa48, 0x3fa50, + 0x3fa5c, 0x3fa64, + 0x3fa70, 0x3fab8, + 0x3fac0, 0x3fae4, + 0x3faf8, 0x3fb10, + 0x3fb28, 0x3fb28, + 0x3fb3c, 0x3fb50, + 0x3fbf0, 0x3fc10, + 0x3fc28, 0x3fc28, + 0x3fc3c, 0x3fc50, + 0x3fcf0, 0x3fcfc, + 0x40000, 0x4000c, + 0x40040, 0x40050, + 0x40060, 0x40068, + 0x4007c, 0x4008c, + 0x40094, 0x400b0, + 0x400c0, 0x40144, + 0x40180, 0x4018c, + 0x40200, 0x40254, + 0x40260, 0x40264, + 0x40270, 0x40288, + 0x40290, 0x40298, + 0x402ac, 0x402c8, + 0x402d0, 0x402e0, + 0x402f0, 0x402f0, + 0x40300, 0x4033c, + 0x403f8, 0x403fc, + 0x41304, 0x413c4, + 0x41400, 0x4140c, + 0x41414, 0x4141c, + 0x41480, 0x414d0, + 0x44000, 0x44054, + 0x4405c, 0x44078, + 0x440c0, 0x44174, + 0x44180, 0x441ac, + 0x441b4, 0x441b8, + 0x441c0, 0x44254, + 0x4425c, 0x44278, + 0x442c0, 0x44374, + 0x44380, 0x443ac, + 0x443b4, 0x443b8, + 0x443c0, 0x44454, + 0x4445c, 0x44478, + 0x444c0, 0x44574, + 0x44580, 0x445ac, + 0x445b4, 0x445b8, + 0x445c0, 0x44654, + 0x4465c, 0x44678, + 0x446c0, 0x44774, + 0x44780, 0x447ac, + 0x447b4, 0x447b8, + 0x447c0, 0x44854, + 0x4485c, 0x44878, + 0x448c0, 0x44974, + 0x44980, 0x449ac, + 0x449b4, 0x449b8, + 0x449c0, 0x449fc, + 0x45000, 0x45004, + 0x45010, 0x45030, + 0x45040, 0x45060, + 0x45068, 0x45068, + 0x45080, 0x45084, + 0x450a0, 0x450b0, + 0x45200, 0x45204, + 0x45210, 0x45230, + 0x45240, 0x45260, + 0x45268, 0x45268, + 0x45280, 0x45284, + 0x452a0, 0x452b0, + 0x460c0, 0x460e4, + 0x47000, 0x4703c, + 0x47044, 0x4708c, + 0x47200, 0x47250, + 0x47400, 0x47408, + 0x47414, 0x47420, + 0x47600, 0x47618, + 0x47800, 0x47814, + 0x48000, 0x4800c, + 0x48040, 0x48050, + 0x48060, 0x48068, + 0x4807c, 0x4808c, + 0x48094, 0x480b0, + 0x480c0, 0x48144, + 0x48180, 0x4818c, + 0x48200, 0x48254, + 0x48260, 0x48264, + 0x48270, 0x48288, + 0x48290, 0x48298, + 0x482ac, 0x482c8, + 0x482d0, 0x482e0, + 0x482f0, 0x482f0, + 0x48300, 0x4833c, + 0x483f8, 0x483fc, + 0x49304, 0x493c4, + 0x49400, 0x4940c, + 0x49414, 0x4941c, + 0x49480, 0x494d0, + 0x4c000, 0x4c054, + 0x4c05c, 0x4c078, + 0x4c0c0, 0x4c174, + 0x4c180, 0x4c1ac, + 0x4c1b4, 0x4c1b8, + 0x4c1c0, 0x4c254, + 0x4c25c, 0x4c278, + 0x4c2c0, 0x4c374, + 0x4c380, 0x4c3ac, + 0x4c3b4, 0x4c3b8, + 0x4c3c0, 0x4c454, + 0x4c45c, 0x4c478, + 0x4c4c0, 0x4c574, + 0x4c580, 0x4c5ac, + 0x4c5b4, 0x4c5b8, + 0x4c5c0, 0x4c654, + 0x4c65c, 0x4c678, + 0x4c6c0, 0x4c774, + 0x4c780, 0x4c7ac, + 0x4c7b4, 0x4c7b8, + 0x4c7c0, 0x4c854, + 0x4c85c, 0x4c878, + 0x4c8c0, 0x4c974, + 0x4c980, 0x4c9ac, + 0x4c9b4, 0x4c9b8, + 0x4c9c0, 0x4c9fc, + 0x4d000, 0x4d004, + 0x4d010, 0x4d030, + 0x4d040, 0x4d060, + 0x4d068, 0x4d068, + 0x4d080, 0x4d084, + 0x4d0a0, 0x4d0b0, + 0x4d200, 0x4d204, + 0x4d210, 0x4d230, + 0x4d240, 0x4d260, + 0x4d268, 0x4d268, + 0x4d280, 0x4d284, + 0x4d2a0, 0x4d2b0, + 0x4e0c0, 0x4e0e4, + 0x4f000, 0x4f03c, + 0x4f044, 0x4f08c, + 0x4f200, 0x4f250, + 0x4f400, 0x4f408, + 0x4f414, 0x4f420, + 0x4f600, 0x4f618, + 0x4f800, 0x4f814, + 0x50000, 0x50084, + 0x50090, 0x500cc, + 0x50400, 0x50400, + 0x50800, 0x50884, + 0x50890, 0x508cc, + 0x50c00, 0x50c00, + 0x51000, 0x5101c, + 0x51300, 0x51308, + }; + + static const unsigned int t6_reg_ranges[] = { + 0x1008, 0x101c, + 0x1024, 0x10a8, + 0x10b4, 0x10f8, + 0x1100, 0x1114, + 0x111c, 0x112c, + 0x1138, 0x113c, + 0x1144, 0x114c, + 0x1180, 0x1184, + 0x1190, 0x1194, + 0x11a0, 0x11a4, + 0x11b0, 0x11b4, + 0x11fc, 0x1274, + 0x1280, 0x133c, + 0x1800, 0x18fc, + 0x3000, 0x302c, + 0x3060, 0x30b0, + 0x30b8, 0x30d8, + 0x30e0, 0x30fc, + 0x3140, 0x357c, + 0x35a8, 0x35cc, + 0x35ec, 0x35ec, + 0x3600, 0x5624, + 0x56cc, 0x56ec, + 0x56f4, 0x5720, + 0x5728, 0x575c, + 0x580c, 0x5814, + 0x5890, 0x589c, + 0x58a4, 0x58ac, + 0x58b8, 0x58bc, + 0x5940, 0x595c, + 0x5980, 0x598c, + 0x59b0, 0x59c8, + 0x59d0, 0x59dc, + 0x59fc, 0x5a18, + 0x5a60, 0x5a6c, + 0x5a80, 0x5a8c, + 0x5a94, 0x5a9c, + 0x5b94, 0x5bfc, + 0x5c10, 0x5e48, + 0x5e50, 0x5e94, + 0x5ea0, 0x5eb0, + 0x5ec0, 0x5ec0, + 0x5ec8, 0x5ed0, + 0x5ee0, 0x5ee0, + 0x5ef0, 0x5ef0, + 0x5f00, 0x5f00, + 0x6000, 0x6020, + 0x6028, 0x6040, + 0x6058, 0x609c, + 0x60a8, 0x619c, + 0x7700, 0x7798, + 0x77c0, 0x7880, + 0x78cc, 0x78fc, + 0x7b00, 0x7b58, + 0x7b60, 0x7b84, + 0x7b8c, 0x7c54, + 0x7d00, 0x7d38, + 0x7d40, 0x7d84, + 0x7d8c, 0x7ddc, + 0x7de4, 0x7e04, + 0x7e10, 0x7e1c, + 0x7e24, 0x7e38, + 0x7e40, 0x7e44, + 0x7e4c, 0x7e78, + 0x7e80, 0x7edc, + 0x7ee8, 0x7efc, + 0x8dc0, 0x8de4, + 0x8df8, 0x8e04, + 0x8e10, 0x8e84, + 0x8ea0, 0x8f88, + 0x8fb8, 0x9058, + 0x9060, 0x9060, + 0x9068, 0x90f8, + 0x9100, 0x9124, + 0x9400, 0x9470, + 0x9600, 0x9600, + 0x9608, 0x9638, + 0x9640, 0x9704, + 0x9710, 0x971c, + 0x9800, 0x9808, + 0x9820, 0x983c, + 0x9850, 0x9864, + 0x9c00, 0x9c6c, + 0x9c80, 0x9cec, + 0x9d00, 0x9d6c, + 0x9d80, 0x9dec, + 0x9e00, 0x9e6c, + 0x9e80, 0x9eec, + 0x9f00, 0x9f6c, + 0x9f80, 0xa020, + 0xd004, 0xd03c, + 0xd100, 0xd118, + 0xd200, 0xd214, + 0xd220, 0xd234, + 0xd240, 0xd254, + 0xd260, 0xd274, + 0xd280, 0xd294, + 0xd2a0, 0xd2b4, + 0xd2c0, 0xd2d4, + 0xd2e0, 0xd2f4, + 0xd300, 0xd31c, + 0xdfc0, 0xdfe0, + 0xe000, 0xf008, + 0xf010, 0xf018, + 0xf020, 0xf028, + 0x11000, 0x11014, + 0x11048, 0x1106c, + 0x11074, 0x11088, + 0x11098, 0x11120, + 0x1112c, 0x1117c, + 0x11190, 0x112e0, + 0x11300, 0x1130c, + 0x12000, 0x1206c, + 0x19040, 0x1906c, + 0x19078, 0x19080, + 0x1908c, 0x190e8, + 0x190f0, 0x190f8, + 0x19100, 0x19110, + 0x19120, 0x19124, + 0x19150, 0x19194, + 0x1919c, 0x191b0, + 0x191d0, 0x191e8, + 0x19238, 0x19290, + 0x192a4, 0x192b0, + 0x192bc, 0x192bc, + 0x19348, 0x1934c, + 0x193f8, 0x19418, + 0x19420, 0x19428, + 0x19430, 0x19444, + 0x1944c, 0x1946c, + 0x19474, 0x19474, + 0x19490, 0x194cc, + 0x194f0, 0x194f8, + 0x19c00, 0x19c48, + 0x19c50, 0x19c80, + 0x19c94, 0x19c98, + 0x19ca0, 0x19cbc, + 0x19ce4, 0x19ce4, + 0x19cf0, 0x19cf8, + 0x19d00, 0x19d28, + 0x19d50, 0x19d78, + 0x19d94, 0x19d98, + 0x19da0, 0x19dc8, + 0x19df0, 0x19e10, + 0x19e50, 0x19e6c, + 0x19ea0, 0x19ebc, + 0x19ec4, 0x19ef4, + 0x19f04, 0x19f2c, + 0x19f34, 0x19f34, + 0x19f40, 0x19f50, + 0x19f90, 0x19fac, + 0x19fc4, 0x19fc8, + 0x19fd0, 0x19fe4, + 0x1a000, 0x1a004, + 0x1a010, 0x1a06c, + 0x1a0b0, 0x1a0e4, + 0x1a0ec, 0x1a0f8, + 0x1a100, 0x1a108, + 0x1a114, 0x1a120, + 0x1a128, 0x1a130, + 0x1a138, 0x1a138, + 0x1a190, 0x1a1c4, + 0x1a1fc, 0x1a1fc, + 0x1e008, 0x1e00c, + 0x1e040, 0x1e044, + 0x1e04c, 0x1e04c, + 0x1e284, 0x1e290, + 0x1e2c0, 0x1e2c0, + 0x1e2e0, 0x1e2e0, + 0x1e300, 0x1e384, + 0x1e3c0, 0x1e3c8, + 0x1e408, 0x1e40c, + 0x1e440, 0x1e444, + 0x1e44c, 0x1e44c, + 0x1e684, 0x1e690, + 0x1e6c0, 0x1e6c0, + 0x1e6e0, 0x1e6e0, + 0x1e700, 0x1e784, + 0x1e7c0, 0x1e7c8, + 0x1e808, 0x1e80c, + 0x1e840, 0x1e844, + 0x1e84c, 0x1e84c, + 0x1ea84, 0x1ea90, + 0x1eac0, 0x1eac0, + 0x1eae0, 0x1eae0, + 0x1eb00, 0x1eb84, + 0x1ebc0, 0x1ebc8, + 0x1ec08, 0x1ec0c, + 0x1ec40, 0x1ec44, + 0x1ec4c, 0x1ec4c, + 0x1ee84, 0x1ee90, + 0x1eec0, 0x1eec0, + 0x1eee0, 0x1eee0, + 0x1ef00, 0x1ef84, + 0x1efc0, 0x1efc8, + 0x1f008, 0x1f00c, + 0x1f040, 0x1f044, + 0x1f04c, 0x1f04c, + 0x1f284, 0x1f290, + 0x1f2c0, 0x1f2c0, + 0x1f2e0, 0x1f2e0, + 0x1f300, 0x1f384, + 0x1f3c0, 0x1f3c8, + 0x1f408, 0x1f40c, + 0x1f440, 0x1f444, + 0x1f44c, 0x1f44c, + 0x1f684, 0x1f690, + 0x1f6c0, 0x1f6c0, + 0x1f6e0, 0x1f6e0, + 0x1f700, 0x1f784, + 0x1f7c0, 0x1f7c8, + 0x1f808, 0x1f80c, + 0x1f840, 0x1f844, + 0x1f84c, 0x1f84c, + 0x1fa84, 0x1fa90, + 0x1fac0, 0x1fac0, + 0x1fae0, 0x1fae0, + 0x1fb00, 0x1fb84, + 0x1fbc0, 0x1fbc8, + 0x1fc08, 0x1fc0c, + 0x1fc40, 0x1fc44, + 0x1fc4c, 0x1fc4c, + 0x1fe84, 0x1fe90, + 0x1fec0, 0x1fec0, + 0x1fee0, 0x1fee0, + 0x1ff00, 0x1ff84, + 0x1ffc0, 0x1ffc8, + 0x30000, 0x30030, + 0x30100, 0x30168, + 0x30190, 0x301a0, + 0x301a8, 0x301b8, + 0x301c4, 0x301c8, + 0x301d0, 0x301d0, + 0x30200, 0x30320, + 0x30400, 0x304b4, + 0x304c0, 0x3052c, + 0x30540, 0x3061c, + 0x30800, 0x308a0, + 0x308c0, 0x30908, + 0x30910, 0x309b8, + 0x30a00, 0x30a04, + 0x30a0c, 0x30a14, + 0x30a1c, 0x30a2c, + 0x30a44, 0x30a50, + 0x30a74, 0x30a74, + 0x30a7c, 0x30afc, + 0x30b08, 0x30c24, + 0x30d00, 0x30d14, + 0x30d1c, 0x30d3c, + 0x30d44, 0x30d4c, + 0x30d54, 0x30d74, + 0x30d7c, 0x30d7c, + 0x30de0, 0x30de0, + 0x30e00, 0x30ed4, + 0x30f00, 0x30fa4, + 0x30fc0, 0x30fc4, + 0x31000, 0x31004, + 0x31080, 0x310fc, + 0x31208, 0x31220, + 0x3123c, 0x31254, + 0x31300, 0x31300, + 0x31308, 0x3131c, + 0x31338, 0x3133c, + 0x31380, 0x31380, + 0x31388, 0x313a8, + 0x313b4, 0x313b4, + 0x31400, 0x31420, + 0x31438, 0x3143c, + 0x31480, 0x31480, + 0x314a8, 0x314a8, + 0x314b0, 0x314b4, + 0x314c8, 0x314d4, + 0x31a40, 0x31a4c, + 0x31af0, 0x31b20, + 0x31b38, 0x31b3c, + 0x31b80, 0x31b80, + 0x31ba8, 0x31ba8, + 0x31bb0, 0x31bb4, + 0x31bc8, 0x31bd4, + 0x32140, 0x3218c, + 0x321f0, 0x321f4, + 0x32200, 0x32200, + 0x32218, 0x32218, + 0x32400, 0x32400, + 0x32408, 0x3241c, + 0x32618, 0x32620, + 0x32664, 0x32664, + 0x326a8, 0x326a8, + 0x326ec, 0x326ec, + 0x32a00, 0x32abc, + 0x32b00, 0x32b38, + 0x32b20, 0x32b38, + 0x32b40, 0x32b58, + 0x32b60, 0x32b78, + 0x32c00, 0x32c00, + 0x32c08, 0x32c3c, + 0x33000, 0x3302c, + 0x33034, 0x33050, + 0x33058, 0x33058, + 0x33060, 0x3308c, + 0x3309c, 0x330ac, + 0x330c0, 0x330c0, + 0x330c8, 0x330d0, + 0x330d8, 0x330e0, + 0x330ec, 0x3312c, + 0x33134, 0x33150, + 0x33158, 0x33158, + 0x33160, 0x3318c, + 0x3319c, 0x331ac, + 0x331c0, 0x331c0, + 0x331c8, 0x331d0, + 0x331d8, 0x331e0, + 0x331ec, 0x33290, + 0x33298, 0x332c4, + 0x332e4, 0x33390, + 0x33398, 0x333c4, + 0x333e4, 0x3342c, + 0x33434, 0x33450, + 0x33458, 0x33458, + 0x33460, 0x3348c, + 0x3349c, 0x334ac, + 0x334c0, 0x334c0, + 0x334c8, 0x334d0, + 0x334d8, 0x334e0, + 0x334ec, 0x3352c, + 0x33534, 0x33550, + 0x33558, 0x33558, + 0x33560, 0x3358c, + 0x3359c, 0x335ac, + 0x335c0, 0x335c0, + 0x335c8, 0x335d0, + 0x335d8, 0x335e0, + 0x335ec, 0x33690, + 0x33698, 0x336c4, + 0x336e4, 0x33790, + 0x33798, 0x337c4, + 0x337e4, 0x337fc, + 0x33814, 0x33814, + 0x33854, 0x33868, + 0x33880, 0x3388c, + 0x338c0, 0x338d0, + 0x338e8, 0x338ec, + 0x33900, 0x3392c, + 0x33934, 0x33950, + 0x33958, 0x33958, + 0x33960, 0x3398c, + 0x3399c, 0x339ac, + 0x339c0, 0x339c0, + 0x339c8, 0x339d0, + 0x339d8, 0x339e0, + 0x339ec, 0x33a90, + 0x33a98, 0x33ac4, + 0x33ae4, 0x33b10, + 0x33b24, 0x33b28, + 0x33b38, 0x33b50, + 0x33bf0, 0x33c10, + 0x33c24, 0x33c28, + 0x33c38, 0x33c50, + 0x33cf0, 0x33cfc, + 0x34000, 0x34030, + 0x34100, 0x34168, + 0x34190, 0x341a0, + 0x341a8, 0x341b8, + 0x341c4, 0x341c8, + 0x341d0, 0x341d0, + 0x34200, 0x34320, + 0x34400, 0x344b4, + 0x344c0, 0x3452c, + 0x34540, 0x3461c, + 0x34800, 0x348a0, + 0x348c0, 0x34908, + 0x34910, 0x349b8, + 0x34a00, 0x34a04, + 0x34a0c, 0x34a14, + 0x34a1c, 0x34a2c, + 0x34a44, 0x34a50, + 0x34a74, 0x34a74, + 0x34a7c, 0x34afc, + 0x34b08, 0x34c24, + 0x34d00, 0x34d14, + 0x34d1c, 0x34d3c, + 0x34d44, 0x34d4c, + 0x34d54, 0x34d74, + 0x34d7c, 0x34d7c, + 0x34de0, 0x34de0, + 0x34e00, 0x34ed4, + 0x34f00, 0x34fa4, + 0x34fc0, 0x34fc4, + 0x35000, 0x35004, + 0x35080, 0x350fc, + 0x35208, 0x35220, + 0x3523c, 0x35254, + 0x35300, 0x35300, + 0x35308, 0x3531c, + 0x35338, 0x3533c, + 0x35380, 0x35380, + 0x35388, 0x353a8, + 0x353b4, 0x353b4, + 0x35400, 0x35420, + 0x35438, 0x3543c, + 0x35480, 0x35480, + 0x354a8, 0x354a8, + 0x354b0, 0x354b4, + 0x354c8, 0x354d4, + 0x35a40, 0x35a4c, + 0x35af0, 0x35b20, + 0x35b38, 0x35b3c, + 0x35b80, 0x35b80, + 0x35ba8, 0x35ba8, + 0x35bb0, 0x35bb4, + 0x35bc8, 0x35bd4, + 0x36140, 0x3618c, + 0x361f0, 0x361f4, + 0x36200, 0x36200, + 0x36218, 0x36218, + 0x36400, 0x36400, + 0x36408, 0x3641c, + 0x36618, 0x36620, + 0x36664, 0x36664, + 0x366a8, 0x366a8, + 0x366ec, 0x366ec, + 0x36a00, 0x36abc, + 0x36b00, 0x36b38, + 0x36b20, 0x36b38, + 0x36b40, 0x36b58, + 0x36b60, 0x36b78, + 0x36c00, 0x36c00, + 0x36c08, 0x36c3c, + 0x37000, 0x3702c, + 0x37034, 0x37050, + 0x37058, 0x37058, + 0x37060, 0x3708c, + 0x3709c, 0x370ac, + 0x370c0, 0x370c0, + 0x370c8, 0x370d0, + 0x370d8, 0x370e0, + 0x370ec, 0x3712c, + 0x37134, 0x37150, + 0x37158, 0x37158, + 0x37160, 0x3718c, + 0x3719c, 0x371ac, + 0x371c0, 0x371c0, + 0x371c8, 0x371d0, + 0x371d8, 0x371e0, + 0x371ec, 0x37290, + 0x37298, 0x372c4, + 0x372e4, 0x37390, + 0x37398, 0x373c4, + 0x373e4, 0x3742c, + 0x37434, 0x37450, + 0x37458, 0x37458, + 0x37460, 0x3748c, + 0x3749c, 0x374ac, + 0x374c0, 0x374c0, + 0x374c8, 0x374d0, + 0x374d8, 0x374e0, + 0x374ec, 0x3752c, + 0x37534, 0x37550, + 0x37558, 0x37558, + 0x37560, 0x3758c, + 0x3759c, 0x375ac, + 0x375c0, 0x375c0, + 0x375c8, 0x375d0, + 0x375d8, 0x375e0, + 0x375ec, 0x37690, + 0x37698, 0x376c4, + 0x376e4, 0x37790, + 0x37798, 0x377c4, + 0x377e4, 0x377fc, + 0x37814, 0x37814, + 0x37854, 0x37868, + 0x37880, 0x3788c, + 0x378c0, 0x378d0, + 0x378e8, 0x378ec, + 0x37900, 0x3792c, + 0x37934, 0x37950, + 0x37958, 0x37958, + 0x37960, 0x3798c, + 0x3799c, 0x379ac, + 0x379c0, 0x379c0, + 0x379c8, 0x379d0, + 0x379d8, 0x379e0, + 0x379ec, 0x37a90, + 0x37a98, 0x37ac4, + 0x37ae4, 0x37b10, + 0x37b24, 0x37b28, + 0x37b38, 0x37b50, + 0x37bf0, 0x37c10, + 0x37c24, 0x37c28, + 0x37c38, 0x37c50, + 0x37cf0, 0x37cfc, + 0x40040, 0x40040, + 0x40080, 0x40084, + 0x40100, 0x40100, + 0x40140, 0x401bc, + 0x40200, 0x40214, + 0x40228, 0x40228, + 0x40240, 0x40258, + 0x40280, 0x40280, + 0x40304, 0x40304, + 0x40330, 0x4033c, + 0x41304, 0x413c8, + 0x413d0, 0x413dc, + 0x413f0, 0x413f0, + 0x41400, 0x4140c, + 0x41414, 0x4141c, + 0x41480, 0x414d0, + 0x44000, 0x4407c, + 0x440c0, 0x441ac, + 0x441b4, 0x4427c, + 0x442c0, 0x443ac, + 0x443b4, 0x4447c, + 0x444c0, 0x445ac, + 0x445b4, 0x4467c, + 0x446c0, 0x447ac, + 0x447b4, 0x4487c, + 0x448c0, 0x449ac, + 0x449b4, 0x44a7c, + 0x44ac0, 0x44bac, + 0x44bb4, 0x44c7c, + 0x44cc0, 0x44dac, + 0x44db4, 0x44e7c, + 0x44ec0, 0x44fac, + 0x44fb4, 0x4507c, + 0x450c0, 0x451ac, + 0x451b4, 0x451fc, + 0x45800, 0x45804, + 0x45810, 0x45830, + 0x45840, 0x45860, + 0x45868, 0x45868, + 0x45880, 0x45884, + 0x458a0, 0x458b0, + 0x45a00, 0x45a04, + 0x45a10, 0x45a30, + 0x45a40, 0x45a60, + 0x45a68, 0x45a68, + 0x45a80, 0x45a84, + 0x45aa0, 0x45ab0, + 0x460c0, 0x460e4, + 0x47000, 0x4703c, + 0x47044, 0x4708c, + 0x47200, 0x47250, + 0x47400, 0x47408, + 0x47414, 0x47420, + 0x47600, 0x47618, + 0x47800, 0x47814, + 0x47820, 0x4782c, + 0x50000, 0x50084, + 0x50090, 0x500cc, + 0x50300, 0x50384, + 0x50400, 0x50400, + 0x50800, 0x50884, + 0x50890, 0x508cc, + 0x50b00, 0x50b84, + 0x50c00, 0x50c00, + 0x51000, 0x51020, + 0x51028, 0x510b0, + 0x51300, 0x51324, + }; + + u32 *buf_end = (u32 *)((char *)buf + buf_size); + const unsigned int *reg_ranges; + int reg_ranges_size, range; + unsigned int chip_version = CHELSIO_CHIP_VERSION(adap->params.chip); + + /* Select the right set of register ranges to dump depending on the + * adapter chip type. + */ + switch (chip_version) { + case CHELSIO_T5: + reg_ranges = t5_reg_ranges; + reg_ranges_size = ARRAY_SIZE(t5_reg_ranges); + break; + + case CHELSIO_T6: + reg_ranges = t6_reg_ranges; + reg_ranges_size = ARRAY_SIZE(t6_reg_ranges); + break; + + default: + dev_err(adap, + "Unsupported chip version %d\n", chip_version); + return; + } + + /* Clear the register buffer and insert the appropriate register + * values selected by the above register ranges. + */ + memset(buf, 0, buf_size); + for (range = 0; range < reg_ranges_size; range += 2) { + unsigned int reg = reg_ranges[range]; + unsigned int last_reg = reg_ranges[range + 1]; + u32 *bufp = (u32 *)((char *)buf + reg); + + /* Iterate across the register range filling in the register + * buffer but don't write past the end of the register buffer. + */ + while (reg <= last_reg && bufp < buf_end) { + *bufp++ = t4_read_reg(adap, reg); + reg += sizeof(u32); + } + } +} + +/* EEPROM reads take a few tens of us while writes can take a bit over 5 ms. */ +#define EEPROM_DELAY 10 /* 10us per poll spin */ +#define EEPROM_MAX_POLL 5000 /* x 5000 == 50ms */ + +#define EEPROM_STAT_ADDR 0x7bfc + +/** + * Small utility function to wait till any outstanding VPD Access is complete. + * We have a per-adapter state variable "VPD Busy" to indicate when we have a + * VPD Access in flight. This allows us to handle the problem of having a + * previous VPD Access time out and prevent an attempt to inject a new VPD + * Request before any in-flight VPD request has completed. + */ +static int t4_seeprom_wait(struct adapter *adapter) +{ + unsigned int base = adapter->params.pci.vpd_cap_addr; + int max_poll; + + /* If no VPD Access is in flight, we can just return success right + * away. + */ + if (!adapter->vpd_busy) + return 0; + + /* Poll the VPD Capability Address/Flag register waiting for it + * to indicate that the operation is complete. + */ + max_poll = EEPROM_MAX_POLL; + do { + u16 val; + + udelay(EEPROM_DELAY); + t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val); + + /* If the operation is complete, mark the VPD as no longer + * busy and return success. + */ + if ((val & PCI_VPD_ADDR_F) == adapter->vpd_flag) { + adapter->vpd_busy = 0; + return 0; + } + } while (--max_poll); + + /* Failure! Note that we leave the VPD Busy status set in order to + * avoid pushing a new VPD Access request into the VPD Capability till + * the current operation eventually succeeds. It's a bug to issue a + * new request when an existing request is in flight and will result + * in corrupt hardware state. + */ + return -ETIMEDOUT; +} + +/** + * t4_seeprom_read - read a serial EEPROM location + * @adapter: adapter to read + * @addr: EEPROM virtual address + * @data: where to store the read data + * + * Read a 32-bit word from a location in serial EEPROM using the card's PCI + * VPD capability. Note that this function must be called with a virtual + * address. + */ +int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data) +{ + unsigned int base = adapter->params.pci.vpd_cap_addr; + int ret; + + /* VPD Accesses must alway be 4-byte aligned! + */ + if (addr >= EEPROMVSIZE || (addr & 3)) + return -EINVAL; + + /* Wait for any previous operation which may still be in flight to + * complete. + */ + ret = t4_seeprom_wait(adapter); + if (ret) { + dev_err(adapter, "VPD still busy from previous operation\n"); + return ret; + } + + /* Issue our new VPD Read request, mark the VPD as being busy and wait + * for our request to complete. If it doesn't complete, note the + * error and return it to our caller. Note that we do not reset the + * VPD Busy status! + */ + t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, (u16)addr); + adapter->vpd_busy = 1; + adapter->vpd_flag = PCI_VPD_ADDR_F; + ret = t4_seeprom_wait(adapter); + if (ret) { + dev_err(adapter, "VPD read of address %#x failed\n", addr); + return ret; + } + + /* Grab the returned data, swizzle it into our endianness and + * return success. + */ + t4_os_pci_read_cfg4(adapter, base + PCI_VPD_DATA, data); + *data = le32_to_cpu(*data); + return 0; +} + +/** + * t4_seeprom_write - write a serial EEPROM location + * @adapter: adapter to write + * @addr: virtual EEPROM address + * @data: value to write + * + * Write a 32-bit word to a location in serial EEPROM using the card's PCI + * VPD capability. Note that this function must be called with a virtual + * address. + */ +int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data) +{ + unsigned int base = adapter->params.pci.vpd_cap_addr; + int ret; + u32 stats_reg = 0; + int max_poll; + + /* VPD Accesses must alway be 4-byte aligned! + */ + if (addr >= EEPROMVSIZE || (addr & 3)) + return -EINVAL; + + /* Wait for any previous operation which may still be in flight to + * complete. + */ + ret = t4_seeprom_wait(adapter); + if (ret) { + dev_err(adapter, "VPD still busy from previous operation\n"); + return ret; + } + + /* Issue our new VPD Read request, mark the VPD as being busy and wait + * for our request to complete. If it doesn't complete, note the + * error and return it to our caller. Note that we do not reset the + * VPD Busy status! + */ + t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA, + cpu_to_le32(data)); + t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, + (u16)addr | PCI_VPD_ADDR_F); + adapter->vpd_busy = 1; + adapter->vpd_flag = 0; + ret = t4_seeprom_wait(adapter); + if (ret) { + dev_err(adapter, "VPD write of address %#x failed\n", addr); + return ret; + } + + /* Reset PCI_VPD_DATA register after a transaction and wait for our + * request to complete. If it doesn't complete, return error. + */ + t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA, 0); + max_poll = EEPROM_MAX_POLL; + do { + udelay(EEPROM_DELAY); + t4_seeprom_read(adapter, EEPROM_STAT_ADDR, &stats_reg); + } while ((stats_reg & 0x1) && --max_poll); + if (!max_poll) + return -ETIMEDOUT; + + /* Return success! */ + return 0; +} + +/** + * t4_seeprom_wp - enable/disable EEPROM write protection + * @adapter: the adapter + * @enable: whether to enable or disable write protection + * + * Enables or disables write protection on the serial EEPROM. + */ +int t4_seeprom_wp(struct adapter *adapter, int enable) +{ + return t4_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0); +} + +/** + * t4_fw_tp_pio_rw - Access TP PIO through LDST + * @adap: the adapter + * @vals: where the indirect register values are stored/written + * @nregs: how many indirect registers to read/write + * @start_idx: index of first indirect register to read/write + * @rw: Read (1) or Write (0) + * + * Access TP PIO registers through LDST + */ +void t4_fw_tp_pio_rw(struct adapter *adap, u32 *vals, unsigned int nregs, + unsigned int start_index, unsigned int rw) +{ + int cmd = FW_LDST_ADDRSPC_TP_PIO; + struct fw_ldst_cmd c; + unsigned int i; + int ret; + + for (i = 0 ; i < nregs; i++) { + memset(&c, 0, sizeof(c)); + c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) | + F_FW_CMD_REQUEST | + (rw ? F_FW_CMD_READ : + F_FW_CMD_WRITE) | + V_FW_LDST_CMD_ADDRSPACE(cmd)); + c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c)); + + c.u.addrval.addr = cpu_to_be32(start_index + i); + c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]); + ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c); + if (ret == 0) { + if (rw) + vals[i] = be32_to_cpu(c.u.addrval.val); + } + } +} + +/** + * t4_read_rss_key - read the global RSS key + * @adap: the adapter + * @key: 10-entry array holding the 320-bit RSS key + * + * Reads the global 320-bit RSS key. + */ +void t4_read_rss_key(struct adapter *adap, u32 *key) +{ + t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 1); +} + +/** + * t4_write_rss_key - program one of the RSS keys + * @adap: the adapter + * @key: 10-entry array holding the 320-bit RSS key + * @idx: which RSS key to write + * + * Writes one of the RSS keys with the given 320-bit value. If @idx is + * 0..15 the corresponding entry in the RSS key table is written, + * otherwise the global RSS key is written. + */ +void t4_write_rss_key(struct adapter *adap, u32 *key, int idx) +{ + u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT); + u8 rss_key_addr_cnt = 16; + + /* T6 and later: for KeyMode 3 (per-vf and per-vf scramble), + * allows access to key addresses 16-63 by using KeyWrAddrX + * as index[5:4](upper 2) into key table + */ + if ((CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) && + (vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3)) + rss_key_addr_cnt = 32; + + t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 0); + + if (idx >= 0 && idx < rss_key_addr_cnt) { + if (rss_key_addr_cnt > 16) + t4_write_reg(adap, A_TP_RSS_CONFIG_VRT, + V_KEYWRADDRX(idx >> 4) | + V_T6_VFWRADDR(idx) | F_KEYWREN); + else + t4_write_reg(adap, A_TP_RSS_CONFIG_VRT, + V_KEYWRADDR(idx) | F_KEYWREN); + } +} + +/** + * t4_config_rss_range - configure a portion of the RSS mapping table + * @adapter: the adapter + * @mbox: mbox to use for the FW command + * @viid: virtual interface whose RSS subtable is to be written + * @start: start entry in the table to write + * @n: how many table entries to write + * @rspq: values for the "response queue" (Ingress Queue) lookup table + * @nrspq: number of values in @rspq + * + * Programs the selected part of the VI's RSS mapping table with the + * provided values. If @nrspq < @n the supplied values are used repeatedly + * until the full table range is populated. + * + * The caller must ensure the values in @rspq are in the range allowed for + * @viid. + */ +int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, + int start, int n, const u16 *rspq, unsigned int nrspq) +{ + int ret; + const u16 *rsp = rspq; + const u16 *rsp_end = rspq + nrspq; + struct fw_rss_ind_tbl_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_IND_TBL_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_RSS_IND_TBL_CMD_VIID(viid)); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + + /* + * Each firmware RSS command can accommodate up to 32 RSS Ingress + * Queue Identifiers. These Ingress Queue IDs are packed three to + * a 32-bit word as 10-bit values with the upper remaining 2 bits + * reserved. + */ + while (n > 0) { + int nq = min(n, 32); + int nq_packed = 0; + __be32 *qp = &cmd.iq0_to_iq2; + + /* + * Set up the firmware RSS command header to send the next + * "nq" Ingress Queue IDs to the firmware. + */ + cmd.niqid = cpu_to_be16(nq); + cmd.startidx = cpu_to_be16(start); + + /* + * "nq" more done for the start of the next loop. + */ + start += nq; + n -= nq; + + /* + * While there are still Ingress Queue IDs to stuff into the + * current firmware RSS command, retrieve them from the + * Ingress Queue ID array and insert them into the command. + */ + while (nq > 0) { + /* + * Grab up to the next 3 Ingress Queue IDs (wrapping + * around the Ingress Queue ID array if necessary) and + * insert them into the firmware RSS command at the + * current 3-tuple position within the commad. + */ + u16 qbuf[3]; + u16 *qbp = qbuf; + int nqbuf = min(3, nq); + + nq -= nqbuf; + qbuf[0] = 0; + qbuf[1] = 0; + qbuf[2] = 0; + while (nqbuf && nq_packed < 32) { + nqbuf--; + nq_packed++; + *qbp++ = *rsp++; + if (rsp >= rsp_end) + rsp = rspq; + } + *qp++ = cpu_to_be32(V_FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) | + V_FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) | + V_FW_RSS_IND_TBL_CMD_IQ2(qbuf[2])); + } + + /* + * Send this portion of the RRS table update to the firmware; + * bail out on any errors. + */ + if (is_pf4(adapter)) + ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), + NULL); + else + ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); + if (ret) + return ret; + } + + return 0; +} + +/** + * t4_config_vi_rss - configure per VI RSS settings + * @adapter: the adapter + * @mbox: mbox to use for the FW command + * @viid: the VI id + * @flags: RSS flags + * @defq: id of the default RSS queue for the VI. + * + * Configures VI-specific RSS properties. + */ +int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, + unsigned int flags, unsigned int defq) +{ + struct fw_rss_vi_config_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_RSS_VI_CONFIG_CMD_VIID(viid)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags | + V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq)); + if (is_pf4(adapter)) + return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adapter, &c, sizeof(c), NULL); +} + +/** + * t4_read_config_vi_rss - read the configured per VI RSS settings + * @adapter: the adapter + * @mbox: mbox to use for the FW command + * @viid: the VI id + * @flags: where to place the configured flags + * @defq: where to place the id of the default RSS queue for the VI. + * + * Read configured VI-specific RSS properties. + */ +int t4_read_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, + u64 *flags, unsigned int *defq) +{ + struct fw_rss_vi_config_cmd c; + unsigned int result; + int ret; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ | + V_FW_RSS_VI_CONFIG_CMD_VIID(viid)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + ret = t4_wr_mbox(adapter, mbox, &c, sizeof(c), &c); + if (!ret) { + result = be32_to_cpu(c.u.basicvirtual.defaultq_to_udpen); + if (defq) + *defq = G_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(result); + if (flags) + *flags = result & M_FW_RSS_VI_CONFIG_CMD_DEFAULTQ; + } + + return ret; +} + +/** + * init_cong_ctrl - initialize congestion control parameters + * @a: the alpha values for congestion control + * @b: the beta values for congestion control + * + * Initialize the congestion control parameters. + */ +static void init_cong_ctrl(unsigned short *a, unsigned short *b) +{ + int i; + + for (i = 0; i < 9; i++) { + a[i] = 1; + b[i] = 0; + } + + a[9] = 2; + a[10] = 3; + a[11] = 4; + a[12] = 5; + a[13] = 6; + a[14] = 7; + a[15] = 8; + a[16] = 9; + a[17] = 10; + a[18] = 14; + a[19] = 17; + a[20] = 21; + a[21] = 25; + a[22] = 30; + a[23] = 35; + a[24] = 45; + a[25] = 60; + a[26] = 80; + a[27] = 100; + a[28] = 200; + a[29] = 300; + a[30] = 400; + a[31] = 500; + + b[9] = 1; + b[10] = 1; + b[11] = 2; + b[12] = 2; + b[13] = 3; + b[14] = 3; + b[15] = 3; + b[16] = 3; + b[17] = 4; + b[18] = 4; + b[19] = 4; + b[20] = 4; + b[21] = 4; + b[22] = 5; + b[23] = 5; + b[24] = 5; + b[25] = 5; + b[26] = 5; + b[27] = 5; + b[28] = 6; + b[29] = 6; + b[30] = 7; + b[31] = 7; +} + +#define INIT_CMD(var, cmd, rd_wr) do { \ + (var).op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_##cmd##_CMD) | \ + F_FW_CMD_REQUEST | F_FW_CMD_##rd_wr); \ + (var).retval_len16 = cpu_to_be32(FW_LEN16(var)); \ +} while (0) + +int t4_get_core_clock(struct adapter *adapter, struct vpd_params *p) +{ + u32 cclk_param, cclk_val; + int ret; + + /* + * Ask firmware for the Core Clock since it knows how to translate the + * Reference Clock ('V2') VPD field into a Core Clock value ... + */ + cclk_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); + ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0, + 1, &cclk_param, &cclk_val); + if (ret) { + dev_err(adapter, "%s: error in fetching from coreclock - %d\n", + __func__, ret); + return ret; + } + + p->cclk = cclk_val; + dev_debug(adapter, "%s: p->cclk = %u\n", __func__, p->cclk); + return 0; +} + +/** + * t4_get_pfres - retrieve VF resource limits + * @adapter: the adapter + * + * Retrieves configured resource limits and capabilities for a physical + * function. The results are stored in @adapter->pfres. + */ +int t4_get_pfres(struct adapter *adapter) +{ + struct pf_resources *pfres = &adapter->params.pfres; + struct fw_pfvf_cmd cmd, rpl; + u32 word; + int v; + + /* + * Execute PFVF Read command to get VF resource limits; bail out early + * with error on command failure. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ | + V_FW_PFVF_CMD_PFN(adapter->pf) | + V_FW_PFVF_CMD_VFN(0)); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + v = t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + + /* + * Extract PF resource limits and return success. + */ + word = be32_to_cpu(rpl.niqflint_niq); + pfres->niqflint = G_FW_PFVF_CMD_NIQFLINT(word); + + word = be32_to_cpu(rpl.type_to_neq); + pfres->neq = G_FW_PFVF_CMD_NEQ(word); + return 0; +} + +/* serial flash and firmware constants and flash config file constants */ +enum { + SF_ATTEMPTS = 10, /* max retries for SF operations */ + + /* flash command opcodes */ + SF_PROG_PAGE = 2, /* program page */ + SF_WR_DISABLE = 4, /* disable writes */ + SF_RD_STATUS = 5, /* read status register */ + SF_WR_ENABLE = 6, /* enable writes */ + SF_RD_DATA_FAST = 0xb, /* read flash */ + SF_RD_ID = 0x9f, /* read ID */ + SF_ERASE_SECTOR = 0xd8, /* erase sector */ +}; + +/** + * sf1_read - read data from the serial flash + * @adapter: the adapter + * @byte_cnt: number of bytes to read + * @cont: whether another operation will be chained + * @lock: whether to lock SF for PL access only + * @valp: where to store the read data + * + * Reads up to 4 bytes of data from the serial flash. The location of + * the read needs to be specified prior to calling this by issuing the + * appropriate commands to the serial flash. + */ +static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont, + int lock, u32 *valp) +{ + int ret; + + if (!byte_cnt || byte_cnt > 4) + return -EINVAL; + if (t4_read_reg(adapter, A_SF_OP) & F_BUSY) + return -EBUSY; + t4_write_reg(adapter, A_SF_OP, + V_SF_LOCK(lock) | V_CONT(cont) | V_BYTECNT(byte_cnt - 1)); + ret = t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5); + if (!ret) + *valp = t4_read_reg(adapter, A_SF_DATA); + return ret; +} + +/** + * sf1_write - write data to the serial flash + * @adapter: the adapter + * @byte_cnt: number of bytes to write + * @cont: whether another operation will be chained + * @lock: whether to lock SF for PL access only + * @val: value to write + * + * Writes up to 4 bytes of data to the serial flash. The location of + * the write needs to be specified prior to calling this by issuing the + * appropriate commands to the serial flash. + */ +static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont, + int lock, u32 val) +{ + if (!byte_cnt || byte_cnt > 4) + return -EINVAL; + if (t4_read_reg(adapter, A_SF_OP) & F_BUSY) + return -EBUSY; + t4_write_reg(adapter, A_SF_DATA, val); + t4_write_reg(adapter, A_SF_OP, V_SF_LOCK(lock) | + V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1)); + return t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5); +} + +/** + * t4_read_flash - read words from serial flash + * @adapter: the adapter + * @addr: the start address for the read + * @nwords: how many 32-bit words to read + * @data: where to store the read data + * @byte_oriented: whether to store data as bytes or as words + * + * Read the specified number of 32-bit words from the serial flash. + * If @byte_oriented is set the read data is stored as a byte array + * (i.e., big-endian), otherwise as 32-bit words in the platform's + * natural endianness. + */ +int t4_read_flash(struct adapter *adapter, unsigned int addr, + unsigned int nwords, u32 *data, int byte_oriented) +{ + int ret; + + if (((addr + nwords * sizeof(u32)) > adapter->params.sf_size) || + (addr & 3)) + return -EINVAL; + + addr = rte_constant_bswap32(addr) | SF_RD_DATA_FAST; + + ret = sf1_write(adapter, 4, 1, 0, addr); + if (ret != 0) + return ret; + + ret = sf1_read(adapter, 1, 1, 0, data); + if (ret != 0) + return ret; + + for ( ; nwords; nwords--, data++) { + ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data); + if (nwords == 1) + t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */ + if (ret) + return ret; + if (byte_oriented) + *data = cpu_to_be32(*data); + } + return 0; +} + +/** + * t4_get_exprom_version - return the Expansion ROM version (if any) + * @adapter: the adapter + * @vers: where to place the version + * + * Reads the Expansion ROM header from FLASH and returns the version + * number (if present) through the @vers return value pointer. We return + * this in the Firmware Version Format since it's convenient. Return + * 0 on success, -ENOENT if no Expansion ROM is present. + */ +static int t4_get_exprom_version(struct adapter *adapter, u32 *vers) +{ + struct exprom_header { + unsigned char hdr_arr[16]; /* must start with 0x55aa */ + unsigned char hdr_ver[4]; /* Expansion ROM version */ + } *hdr; + u32 exprom_header_buf[DIV_ROUND_UP(sizeof(struct exprom_header), + sizeof(u32))]; + int ret; + + ret = t4_read_flash(adapter, FLASH_EXP_ROM_START, + ARRAY_SIZE(exprom_header_buf), + exprom_header_buf, 0); + if (ret) + return ret; + + hdr = (struct exprom_header *)exprom_header_buf; + if (hdr->hdr_arr[0] != 0x55 || hdr->hdr_arr[1] != 0xaa) + return -ENOENT; + + *vers = (V_FW_HDR_FW_VER_MAJOR(hdr->hdr_ver[0]) | + V_FW_HDR_FW_VER_MINOR(hdr->hdr_ver[1]) | + V_FW_HDR_FW_VER_MICRO(hdr->hdr_ver[2]) | + V_FW_HDR_FW_VER_BUILD(hdr->hdr_ver[3])); + return 0; +} + +/** + * t4_get_fw_version - read the firmware version + * @adapter: the adapter + * @vers: where to place the version + * + * Reads the FW version from flash. + */ +static int t4_get_fw_version(struct adapter *adapter, u32 *vers) +{ + return t4_read_flash(adapter, FLASH_FW_START + + offsetof(struct fw_hdr, fw_ver), 1, vers, 0); +} + +/** + * t4_get_bs_version - read the firmware bootstrap version + * @adapter: the adapter + * @vers: where to place the version + * + * Reads the FW Bootstrap version from flash. + */ +static int t4_get_bs_version(struct adapter *adapter, u32 *vers) +{ + return t4_read_flash(adapter, FLASH_FWBOOTSTRAP_START + + offsetof(struct fw_hdr, fw_ver), 1, + vers, 0); +} + +/** + * t4_get_tp_version - read the TP microcode version + * @adapter: the adapter + * @vers: where to place the version + * + * Reads the TP microcode version from flash. + */ +static int t4_get_tp_version(struct adapter *adapter, u32 *vers) +{ + return t4_read_flash(adapter, FLASH_FW_START + + offsetof(struct fw_hdr, tp_microcode_ver), + 1, vers, 0); +} + +/** + * t4_get_version_info - extract various chip/firmware version information + * @adapter: the adapter + * + * Reads various chip/firmware version numbers and stores them into the + * adapter Adapter Parameters structure. If any of the efforts fails + * the first failure will be returned, but all of the version numbers + * will be read. + */ +int t4_get_version_info(struct adapter *adapter) +{ + int ret = 0; + +#define FIRST_RET(__getvinfo) \ + do { \ + int __ret = __getvinfo; \ + if (__ret && !ret) \ + ret = __ret; \ + } while (0) + + FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers)); + FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers)); + FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers)); + FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers)); + +#undef FIRST_RET + + return ret; +} + +/** + * t4_dump_version_info - dump all of the adapter configuration IDs + * @adapter: the adapter + * + * Dumps all of the various bits of adapter configuration version/revision + * IDs information. This is typically called at some point after + * t4_get_version_info() has been called. + */ +void t4_dump_version_info(struct adapter *adapter) +{ + /** + * Device information. + */ + dev_info(adapter, "Chelsio rev %d\n", + CHELSIO_CHIP_RELEASE(adapter->params.chip)); + + /** + * Firmware Version. + */ + if (!adapter->params.fw_vers) + dev_warn(adapter, "No firmware loaded\n"); + else + dev_info(adapter, "Firmware version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.fw_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.fw_vers)); + + /** + * Bootstrap Firmware Version. + */ + if (!adapter->params.bs_vers) + dev_warn(adapter, "No bootstrap loaded\n"); + else + dev_info(adapter, "Bootstrap version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.bs_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.bs_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.bs_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.bs_vers)); + + /** + * TP Microcode Version. + */ + if (!adapter->params.tp_vers) + dev_warn(adapter, "No TP Microcode loaded\n"); + else + dev_info(adapter, "TP Microcode version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.tp_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.tp_vers)); + + /** + * Expansion ROM version. + */ + if (!adapter->params.er_vers) + dev_info(adapter, "No Expansion ROM loaded\n"); + else + dev_info(adapter, "Expansion ROM version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.er_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.er_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.er_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.er_vers)); +} + +#define ADVERT_MASK (V_FW_PORT_CAP32_SPEED(M_FW_PORT_CAP32_SPEED) | \ + FW_PORT_CAP32_ANEG) +/** + * fwcaps16_to_caps32 - convert 16-bit Port Capabilities to 32-bits + * @caps16: a 16-bit Port Capabilities value + * + * Returns the equivalent 32-bit Port Capabilities value. + */ +fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) +{ + fw_port_cap32_t caps32 = 0; + +#define CAP16_TO_CAP32(__cap) \ + do { \ + if (caps16 & FW_PORT_CAP_##__cap) \ + caps32 |= FW_PORT_CAP32_##__cap; \ + } while (0) + + CAP16_TO_CAP32(SPEED_100M); + CAP16_TO_CAP32(SPEED_1G); + CAP16_TO_CAP32(SPEED_25G); + CAP16_TO_CAP32(SPEED_10G); + CAP16_TO_CAP32(SPEED_40G); + CAP16_TO_CAP32(SPEED_100G); + CAP16_TO_CAP32(FC_RX); + CAP16_TO_CAP32(FC_TX); + CAP16_TO_CAP32(ANEG); + CAP16_TO_CAP32(MDIX); + CAP16_TO_CAP32(MDIAUTO); + CAP16_TO_CAP32(FEC_RS); + CAP16_TO_CAP32(FEC_BASER_RS); + CAP16_TO_CAP32(802_3_PAUSE); + CAP16_TO_CAP32(802_3_ASM_DIR); + +#undef CAP16_TO_CAP32 + + return caps32; +} + +/** + * fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits + * @caps32: a 32-bit Port Capabilities value + * + * Returns the equivalent 16-bit Port Capabilities value. Note that + * not all 32-bit Port Capabilities can be represented in the 16-bit + * Port Capabilities and some fields/values may not make it. + */ +static fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32) +{ + fw_port_cap16_t caps16 = 0; + +#define CAP32_TO_CAP16(__cap) \ + do { \ + if (caps32 & FW_PORT_CAP32_##__cap) \ + caps16 |= FW_PORT_CAP_##__cap; \ + } while (0) + + CAP32_TO_CAP16(SPEED_100M); + CAP32_TO_CAP16(SPEED_1G); + CAP32_TO_CAP16(SPEED_10G); + CAP32_TO_CAP16(SPEED_25G); + CAP32_TO_CAP16(SPEED_40G); + CAP32_TO_CAP16(SPEED_100G); + CAP32_TO_CAP16(FC_RX); + CAP32_TO_CAP16(FC_TX); + CAP32_TO_CAP16(802_3_PAUSE); + CAP32_TO_CAP16(802_3_ASM_DIR); + CAP32_TO_CAP16(ANEG); + CAP32_TO_CAP16(MDIX); + CAP32_TO_CAP16(MDIAUTO); + CAP32_TO_CAP16(FEC_RS); + CAP32_TO_CAP16(FEC_BASER_RS); + +#undef CAP32_TO_CAP16 + + return caps16; +} + +/* Translate Firmware Pause specification to Common Code */ +static inline enum cc_pause fwcap_to_cc_pause(fw_port_cap32_t fw_pause) +{ + enum cc_pause cc_pause = 0; + + if (fw_pause & FW_PORT_CAP32_FC_RX) + cc_pause |= PAUSE_RX; + if (fw_pause & FW_PORT_CAP32_FC_TX) + cc_pause |= PAUSE_TX; + + return cc_pause; +} + +/* Translate Common Code Pause Frame specification into Firmware */ +static inline fw_port_cap32_t cc_to_fwcap_pause(enum cc_pause cc_pause) +{ + fw_port_cap32_t fw_pause = 0; + + if (cc_pause & PAUSE_RX) + fw_pause |= FW_PORT_CAP32_FC_RX; + if (cc_pause & PAUSE_TX) + fw_pause |= FW_PORT_CAP32_FC_TX; + + return fw_pause; +} + +/* Translate Firmware Forward Error Correction specification to Common Code */ +static inline enum cc_fec fwcap_to_cc_fec(fw_port_cap32_t fw_fec) +{ + enum cc_fec cc_fec = 0; + + if (fw_fec & FW_PORT_CAP32_FEC_RS) + cc_fec |= FEC_RS; + if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS) + cc_fec |= FEC_BASER_RS; + + return cc_fec; +} + +/* Translate Common Code Forward Error Correction specification to Firmware */ +static inline fw_port_cap32_t cc_to_fwcap_fec(enum cc_fec cc_fec) +{ + fw_port_cap32_t fw_fec = 0; + + if (cc_fec & FEC_RS) + fw_fec |= FW_PORT_CAP32_FEC_RS; + if (cc_fec & FEC_BASER_RS) + fw_fec |= FW_PORT_CAP32_FEC_BASER_RS; + + return fw_fec; +} + +/** + * t4_link_l1cfg - apply link configuration to MAC/PHY + * @adapter: the adapter + * @mbox: the Firmware Mailbox to use + * @port: the Port ID + * @lc: the Port's Link Configuration + * + * Set up a port's MAC and PHY according to a desired link configuration. + * - If the PHY can auto-negotiate first decide what to advertise, then + * enable/disable auto-negotiation as desired, and reset. + * - If the PHY does not auto-negotiate just reset it. + * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC, + * otherwise do it later based on the outcome of auto-negotiation. + */ +int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port, + struct link_config *lc) +{ + unsigned int fw_mdi = V_FW_PORT_CAP32_MDI(FW_PORT_CAP32_MDI_AUTO); + unsigned int fw_caps = adap->params.fw_caps_support; + fw_port_cap32_t fw_fc, cc_fec, fw_fec, rcap; + struct fw_port_cmd cmd; + + lc->link_ok = 0; + + fw_fc = cc_to_fwcap_pause(lc->requested_fc); + + /* Convert Common Code Forward Error Control settings into the + * Firmware's API. If the current Requested FEC has "Automatic" + * (IEEE 802.3) specified, then we use whatever the Firmware + * sent us as part of it's IEEE 802.3-based interpratation of + * the Transceiver Module EPROM FEC parameters. Otherwise we + * use whatever is in the current Requested FEC settings. + */ + if (lc->requested_fec & FEC_AUTO) + cc_fec = lc->auto_fec; + else + cc_fec = lc->requested_fec; + fw_fec = cc_to_fwcap_fec(cc_fec); + + /* Figure out what our Requested Port Capabilities are going to be. + */ + if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) { + rcap = (lc->pcaps & ADVERT_MASK) | fw_fc | fw_fec; + lc->fc = lc->requested_fc & ~PAUSE_AUTONEG; + lc->fec = cc_fec; + } else if (lc->autoneg == AUTONEG_DISABLE) { + rcap = lc->requested_speed | fw_fc | fw_fec | fw_mdi; + lc->fc = lc->requested_fc & ~PAUSE_AUTONEG; + lc->fec = cc_fec; + } else { + rcap = lc->acaps | fw_fc | fw_fec | fw_mdi; + } + + /* And send that on to the Firmware ... + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_EXEC | + V_FW_PORT_CMD_PORTID(port)); + cmd.action_to_len16 = + cpu_to_be32(V_FW_PORT_CMD_ACTION(fw_caps == FW_CAPS16 ? + FW_PORT_ACTION_L1_CFG : + FW_PORT_ACTION_L1_CFG32) | + FW_LEN16(cmd)); + + if (fw_caps == FW_CAPS16) + cmd.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap)); + else + cmd.u.l1cfg32.rcap32 = cpu_to_be32(rcap); + + return t4_wr_mbox(adap, mbox, &cmd, sizeof(cmd), NULL); +} + +/** + * t4_flash_cfg_addr - return the address of the flash configuration file + * @adapter: the adapter + * + * Return the address within the flash where the Firmware Configuration + * File is stored, or an error if the device FLASH is too small to contain + * a Firmware Configuration File. + */ +int t4_flash_cfg_addr(struct adapter *adapter) +{ + /* + * If the device FLASH isn't large enough to hold a Firmware + * Configuration File, return an error. + */ + if (adapter->params.sf_size < FLASH_CFG_START + FLASH_CFG_MAX_SIZE) + return -ENOSPC; + + return FLASH_CFG_START; +} + +#define PF_INTR_MASK (F_PFSW | F_PFCIM) + +/** + * t4_intr_enable - enable interrupts + * @adapter: the adapter whose interrupts should be enabled + * + * Enable PF-specific interrupts for the calling function and the top-level + * interrupt concentrator for global interrupts. Interrupts are already + * enabled at each module, here we just enable the roots of the interrupt + * hierarchies. + * + * Note: this function should be called only when the driver manages + * non PF-specific interrupts from the various HW modules. Only one PCI + * function at a time should be doing this. + */ +void t4_intr_enable(struct adapter *adapter) +{ + u32 val = 0; + u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI); + u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? + G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami); + + if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) + val = F_ERR_DROPPED_DB | F_ERR_EGR_CTXT_PRIO | F_DBFIFO_HP_INT; + t4_write_reg(adapter, A_SGE_INT_ENABLE3, F_ERR_CPL_EXCEED_IQE_SIZE | + F_ERR_INVALID_CIDX_INC | F_ERR_CPL_OPCODE_0 | + F_ERR_DATA_CPL_ON_HIGH_QID1 | F_INGRESS_SIZE_ERR | + F_ERR_DATA_CPL_ON_HIGH_QID0 | F_ERR_BAD_DB_PIDX3 | + F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 | + F_ERR_BAD_DB_PIDX0 | F_ERR_ING_CTXT_PRIO | + F_DBFIFO_LP_INT | F_EGRESS_SIZE_ERR | val); + t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), PF_INTR_MASK); + t4_set_reg_field(adapter, A_PL_INT_MAP0, 0, 1 << pf); +} + +/** + * t4_intr_disable - disable interrupts + * @adapter: the adapter whose interrupts should be disabled + * + * Disable interrupts. We only disable the top-level interrupt + * concentrators. The caller must be a PCI function managing global + * interrupts. + */ +void t4_intr_disable(struct adapter *adapter) +{ + u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI); + u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? + G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami); + + t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), 0); + t4_set_reg_field(adapter, A_PL_INT_MAP0, 1 << pf, 0); +} + +/** + * t4_get_port_type_description - return Port Type string description + * @port_type: firmware Port Type enumeration + */ +const char *t4_get_port_type_description(enum fw_port_type port_type) +{ + static const char * const port_type_description[] = { + "Fiber_XFI", + "Fiber_XAUI", + "BT_SGMII", + "BT_XFI", + "BT_XAUI", + "KX4", + "CX4", + "KX", + "KR", + "SFP", + "BP_AP", + "BP4_AP", + "QSFP_10G", + "QSA", + "QSFP", + "BP40_BA", + "KR4_100G", + "CR4_QSFP", + "CR_QSFP", + "CR2_QSFP", + "SFP28", + "KR_SFP28", + }; + + if (port_type < ARRAY_SIZE(port_type_description)) + return port_type_description[port_type]; + return "UNKNOWN"; +} + +/** + * t4_get_mps_bg_map - return the buffer groups associated with a port + * @adap: the adapter + * @pidx: the port index + * + * Returns a bitmap indicating which MPS buffer groups are associated + * with the given port. Bit i is set if buffer group i is used by the + * port. + */ +unsigned int t4_get_mps_bg_map(struct adapter *adap, unsigned int pidx) +{ + unsigned int chip_version = CHELSIO_CHIP_VERSION(adap->params.chip); + unsigned int nports = 1 << G_NUMPORTS(t4_read_reg(adap, + A_MPS_CMN_CTL)); + + if (pidx >= nports) { + dev_warn(adap, "MPS Port Index %d >= Nports %d\n", + pidx, nports); + return 0; + } + + switch (chip_version) { + case CHELSIO_T4: + case CHELSIO_T5: + switch (nports) { + case 1: return 0xf; + case 2: return 3 << (2 * pidx); + case 4: return 1 << pidx; + } + break; + + case CHELSIO_T6: + switch (nports) { + case 2: return 1 << (2 * pidx); + } + break; + } + + dev_err(adap, "Need MPS Buffer Group Map for Chip %0x, Nports %d\n", + chip_version, nports); + return 0; +} + +/** + * t4_get_tp_ch_map - return TP ingress channels associated with a port + * @adapter: the adapter + * @pidx: the port index + * + * Returns a bitmap indicating which TP Ingress Channels are associated with + * a given Port. Bit i is set if TP Ingress Channel i is used by the Port. + */ +unsigned int t4_get_tp_ch_map(struct adapter *adapter, unsigned int pidx) +{ + unsigned int chip_version = CHELSIO_CHIP_VERSION(adapter->params.chip); + unsigned int nports = 1 << G_NUMPORTS(t4_read_reg(adapter, + A_MPS_CMN_CTL)); + + if (pidx >= nports) { + dev_warn(adap, "TP Port Index %d >= Nports %d\n", + pidx, nports); + return 0; + } + + switch (chip_version) { + case CHELSIO_T4: + case CHELSIO_T5: + /* Note that this happens to be the same values as the MPS + * Buffer Group Map for these Chips. But we replicate the code + * here because they're really separate concepts. + */ + switch (nports) { + case 1: return 0xf; + case 2: return 3 << (2 * pidx); + case 4: return 1 << pidx; + } + break; + + case CHELSIO_T6: + switch (nports) { + case 2: return 1 << pidx; + } + break; + } + + dev_err(adapter, "Need TP Channel Map for Chip %0x, Nports %d\n", + chip_version, nports); + return 0; +} + +/** + * t4_get_port_stats - collect port statistics + * @adap: the adapter + * @idx: the port index + * @p: the stats structure to fill + * + * Collect statistics related to the given port from HW. + */ +void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) +{ + u32 bgmap = t4_get_mps_bg_map(adap, idx); + u32 stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL); + +#define GET_STAT(name) \ + t4_read_reg64(adap, \ + (is_t4(adap->params.chip) ? \ + PORT_REG(idx, A_MPS_PORT_STAT_##name##_L) :\ + T5_PORT_REG(idx, A_MPS_PORT_STAT_##name##_L))) +#define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L) + + p->tx_octets = GET_STAT(TX_PORT_BYTES); + p->tx_frames = GET_STAT(TX_PORT_FRAMES); + p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST); + p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST); + p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST); + p->tx_error_frames = GET_STAT(TX_PORT_ERROR); + p->tx_frames_64 = GET_STAT(TX_PORT_64B); + p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B); + p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B); + p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B); + p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B); + p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B); + p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX); + p->tx_drop = GET_STAT(TX_PORT_DROP); + p->tx_pause = GET_STAT(TX_PORT_PAUSE); + p->tx_ppp0 = GET_STAT(TX_PORT_PPP0); + p->tx_ppp1 = GET_STAT(TX_PORT_PPP1); + p->tx_ppp2 = GET_STAT(TX_PORT_PPP2); + p->tx_ppp3 = GET_STAT(TX_PORT_PPP3); + p->tx_ppp4 = GET_STAT(TX_PORT_PPP4); + p->tx_ppp5 = GET_STAT(TX_PORT_PPP5); + p->tx_ppp6 = GET_STAT(TX_PORT_PPP6); + p->tx_ppp7 = GET_STAT(TX_PORT_PPP7); + + if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) { + if (stat_ctl & F_COUNTPAUSESTATTX) { + p->tx_frames -= p->tx_pause; + p->tx_octets -= p->tx_pause * 64; + } + if (stat_ctl & F_COUNTPAUSEMCTX) + p->tx_mcast_frames -= p->tx_pause; + } + + p->rx_octets = GET_STAT(RX_PORT_BYTES); + p->rx_frames = GET_STAT(RX_PORT_FRAMES); + p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST); + p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST); + p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST); + p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR); + p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR); + p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR); + p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR); + p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR); + p->rx_runt = GET_STAT(RX_PORT_LESS_64B); + p->rx_frames_64 = GET_STAT(RX_PORT_64B); + p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B); + p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B); + p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B); + p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B); + p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B); + p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX); + p->rx_pause = GET_STAT(RX_PORT_PAUSE); + p->rx_ppp0 = GET_STAT(RX_PORT_PPP0); + p->rx_ppp1 = GET_STAT(RX_PORT_PPP1); + p->rx_ppp2 = GET_STAT(RX_PORT_PPP2); + p->rx_ppp3 = GET_STAT(RX_PORT_PPP3); + p->rx_ppp4 = GET_STAT(RX_PORT_PPP4); + p->rx_ppp5 = GET_STAT(RX_PORT_PPP5); + p->rx_ppp6 = GET_STAT(RX_PORT_PPP6); + p->rx_ppp7 = GET_STAT(RX_PORT_PPP7); + + if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) { + if (stat_ctl & F_COUNTPAUSESTATRX) { + p->rx_frames -= p->rx_pause; + p->rx_octets -= p->rx_pause * 64; + } + if (stat_ctl & F_COUNTPAUSEMCRX) + p->rx_mcast_frames -= p->rx_pause; + } + + p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0; + p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0; + p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0; + p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0; + p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0; + p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0; + p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0; + p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0; + +#undef GET_STAT +#undef GET_STAT_COM +} + +/** + * t4_get_port_stats_offset - collect port stats relative to a previous snapshot + * @adap: The adapter + * @idx: The port + * @stats: Current stats to fill + * @offset: Previous stats snapshot + */ +void t4_get_port_stats_offset(struct adapter *adap, int idx, + struct port_stats *stats, + struct port_stats *offset) +{ + u64 *s, *o; + unsigned int i; + + t4_get_port_stats(adap, idx, stats); + for (i = 0, s = (u64 *)stats, o = (u64 *)offset; + i < (sizeof(struct port_stats) / sizeof(u64)); + i++, s++, o++) + *s -= *o; +} + +/** + * t4_clr_port_stats - clear port statistics + * @adap: the adapter + * @idx: the port index + * + * Clear HW statistics for the given port. + */ +void t4_clr_port_stats(struct adapter *adap, int idx) +{ + unsigned int i; + u32 bgmap = t4_get_mps_bg_map(adap, idx); + u32 port_base_addr; + + if (is_t4(adap->params.chip)) + port_base_addr = PORT_BASE(idx); + else + port_base_addr = T5_PORT_BASE(idx); + + for (i = A_MPS_PORT_STAT_TX_PORT_BYTES_L; + i <= A_MPS_PORT_STAT_TX_PORT_PPP7_H; i += 8) + t4_write_reg(adap, port_base_addr + i, 0); + for (i = A_MPS_PORT_STAT_RX_PORT_BYTES_L; + i <= A_MPS_PORT_STAT_RX_PORT_LESS_64B_H; i += 8) + t4_write_reg(adap, port_base_addr + i, 0); + for (i = 0; i < 4; i++) + if (bgmap & (1 << i)) { + t4_write_reg(adap, + A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L + + i * 8, 0); + t4_write_reg(adap, + A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L + + i * 8, 0); + } +} + +/** + * t4_fw_hello - establish communication with FW + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @evt_mbox: mailbox to receive async FW events + * @master: specifies the caller's willingness to be the device master + * @state: returns the current device state (if non-NULL) + * + * Issues a command to establish communication with FW. Returns either + * an error (negative integer) or the mailbox of the Master PF. + */ +int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, + enum dev_master master, enum dev_state *state) +{ + int ret; + struct fw_hello_cmd c; + u32 v; + unsigned int master_mbox; + int retries = FW_CMD_HELLO_RETRIES; + +retry: + memset(&c, 0, sizeof(c)); + INIT_CMD(c, HELLO, WRITE); + c.err_to_clearinit = cpu_to_be32( + V_FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) | + V_FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) | + V_FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ? mbox : + M_FW_HELLO_CMD_MBMASTER) | + V_FW_HELLO_CMD_MBASYNCNOT(evt_mbox) | + V_FW_HELLO_CMD_STAGE(FW_HELLO_CMD_STAGE_OS) | + F_FW_HELLO_CMD_CLEARINIT); + + /* + * Issue the HELLO command to the firmware. If it's not successful + * but indicates that we got a "busy" or "timeout" condition, retry + * the HELLO until we exhaust our retry limit. If we do exceed our + * retry limit, check to see if the firmware left us any error + * information and report that if so ... + */ + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + if (ret != FW_SUCCESS) { + if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0) + goto retry; + if (t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_ERR) + t4_report_fw_error(adap); + return ret; + } + + v = be32_to_cpu(c.err_to_clearinit); + master_mbox = G_FW_HELLO_CMD_MBMASTER(v); + if (state) { + if (v & F_FW_HELLO_CMD_ERR) + *state = DEV_STATE_ERR; + else if (v & F_FW_HELLO_CMD_INIT) + *state = DEV_STATE_INIT; + else + *state = DEV_STATE_UNINIT; + } + + /* + * If we're not the Master PF then we need to wait around for the + * Master PF Driver to finish setting up the adapter. + * + * Note that we also do this wait if we're a non-Master-capable PF and + * there is no current Master PF; a Master PF may show up momentarily + * and we wouldn't want to fail pointlessly. (This can happen when an + * OS loads lots of different drivers rapidly at the same time). In + * this case, the Master PF returned by the firmware will be + * M_PCIE_FW_MASTER so the test below will work ... + */ + if ((v & (F_FW_HELLO_CMD_ERR | F_FW_HELLO_CMD_INIT)) == 0 && + master_mbox != mbox) { + int waiting = FW_CMD_HELLO_TIMEOUT; + + /* + * Wait for the firmware to either indicate an error or + * initialized state. If we see either of these we bail out + * and report the issue to the caller. If we exhaust the + * "hello timeout" and we haven't exhausted our retries, try + * again. Otherwise bail with a timeout error. + */ + for (;;) { + u32 pcie_fw; + + msleep(50); + waiting -= 50; + + /* + * If neither Error nor Initialialized are indicated + * by the firmware keep waiting till we exaust our + * timeout ... and then retry if we haven't exhausted + * our retries ... + */ + pcie_fw = t4_read_reg(adap, A_PCIE_FW); + if (!(pcie_fw & (F_PCIE_FW_ERR | F_PCIE_FW_INIT))) { + if (waiting <= 0) { + if (retries-- > 0) + goto retry; + + return -ETIMEDOUT; + } + continue; + } + + /* + * We either have an Error or Initialized condition + * report errors preferentially. + */ + if (state) { + if (pcie_fw & F_PCIE_FW_ERR) + *state = DEV_STATE_ERR; + else if (pcie_fw & F_PCIE_FW_INIT) + *state = DEV_STATE_INIT; + } + + /* + * If we arrived before a Master PF was selected and + * there's not a valid Master PF, grab its identity + * for our caller. + */ + if (master_mbox == M_PCIE_FW_MASTER && + (pcie_fw & F_PCIE_FW_MASTER_VLD)) + master_mbox = G_PCIE_FW_MASTER(pcie_fw); + break; + } + } + + return master_mbox; +} + +/** + * t4_fw_bye - end communication with FW + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * + * Issues a command to terminate communication with FW. + */ +int t4_fw_bye(struct adapter *adap, unsigned int mbox) +{ + struct fw_bye_cmd c; + + memset(&c, 0, sizeof(c)); + INIT_CMD(c, BYE, WRITE); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); +} + +/** + * t4_fw_reset - issue a reset to FW + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @reset: specifies the type of reset to perform + * + * Issues a reset command of the specified type to FW. + */ +int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) +{ + struct fw_reset_cmd c; + + memset(&c, 0, sizeof(c)); + INIT_CMD(c, RESET, WRITE); + c.val = cpu_to_be32(reset); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); +} + +/** + * t4_fw_halt - issue a reset/halt to FW and put uP into RESET + * @adap: the adapter + * @mbox: mailbox to use for the FW RESET command (if desired) + * @force: force uP into RESET even if FW RESET command fails + * + * Issues a RESET command to firmware (if desired) with a HALT indication + * and then puts the microprocessor into RESET state. The RESET command + * will only be issued if a legitimate mailbox is provided (mbox <= + * M_PCIE_FW_MASTER). + * + * This is generally used in order for the host to safely manipulate the + * adapter without fear of conflicting with whatever the firmware might + * be doing. The only way out of this state is to RESTART the firmware + * ... + */ +int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force) +{ + int ret = 0; + + /* + * If a legitimate mailbox is provided, issue a RESET command + * with a HALT indication. + */ + if (mbox <= M_PCIE_FW_MASTER) { + struct fw_reset_cmd c; + + memset(&c, 0, sizeof(c)); + INIT_CMD(c, RESET, WRITE); + c.val = cpu_to_be32(F_PIORST | F_PIORSTMODE); + c.halt_pkd = cpu_to_be32(F_FW_RESET_CMD_HALT); + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + } + + /* + * Normally we won't complete the operation if the firmware RESET + * command fails but if our caller insists we'll go ahead and put the + * uP into RESET. This can be useful if the firmware is hung or even + * missing ... We'll have to take the risk of putting the uP into + * RESET without the cooperation of firmware in that case. + * + * We also force the firmware's HALT flag to be on in case we bypassed + * the firmware RESET command above or we're dealing with old firmware + * which doesn't have the HALT capability. This will serve as a flag + * for the incoming firmware to know that it's coming out of a HALT + * rather than a RESET ... if it's new enough to understand that ... + */ + if (ret == 0 || force) { + t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, F_UPCRST); + t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT, + F_PCIE_FW_HALT); + } + + /* + * And we always return the result of the firmware RESET command + * even when we force the uP into RESET ... + */ + return ret; +} + +/** + * t4_fw_restart - restart the firmware by taking the uP out of RESET + * @adap: the adapter + * @mbox: mailbox to use for the FW RESET command (if desired) + * @reset: if we want to do a RESET to restart things + * + * Restart firmware previously halted by t4_fw_halt(). On successful + * return the previous PF Master remains as the new PF Master and there + * is no need to issue a new HELLO command, etc. + * + * We do this in two ways: + * + * 1. If we're dealing with newer firmware we'll simply want to take + * the chip's microprocessor out of RESET. This will cause the + * firmware to start up from its start vector. And then we'll loop + * until the firmware indicates it's started again (PCIE_FW.HALT + * reset to 0) or we timeout. + * + * 2. If we're dealing with older firmware then we'll need to RESET + * the chip since older firmware won't recognize the PCIE_FW.HALT + * flag and automatically RESET itself on startup. + */ +int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset) +{ + if (reset) { + /* + * Since we're directing the RESET instead of the firmware + * doing it automatically, we need to clear the PCIE_FW.HALT + * bit. + */ + t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT, 0); + + /* + * If we've been given a valid mailbox, first try to get the + * firmware to do the RESET. If that works, great and we can + * return success. Otherwise, if we haven't been given a + * valid mailbox or the RESET command failed, fall back to + * hitting the chip with a hammer. + */ + if (mbox <= M_PCIE_FW_MASTER) { + t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0); + msleep(100); + if (t4_fw_reset(adap, mbox, + F_PIORST | F_PIORSTMODE) == 0) + return 0; + } + + t4_write_reg(adap, A_PL_RST, F_PIORST | F_PIORSTMODE); + msleep(2000); + } else { + int ms; + + t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0); + for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) { + if (!(t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_HALT)) + return FW_SUCCESS; + msleep(100); + ms += 100; + } + return -ETIMEDOUT; + } + return 0; +} + +/** + * t4_fl_pkt_align - return the fl packet alignment + * @adap: the adapter + * + * T4 has a single field to specify the packing and padding boundary. + * T5 onwards has separate fields for this and hence the alignment for + * next packet offset is maximum of these two. + */ +int t4_fl_pkt_align(struct adapter *adap) +{ + u32 sge_control, sge_control2; + unsigned int ingpadboundary, ingpackboundary, fl_align, ingpad_shift; + + sge_control = t4_read_reg(adap, A_SGE_CONTROL); + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. + */ + if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) + ingpad_shift = X_INGPADBOUNDARY_SHIFT; + else + ingpad_shift = X_T6_INGPADBOUNDARY_SHIFT; + + ingpadboundary = 1 << (G_INGPADBOUNDARY(sge_control) + ingpad_shift); + + fl_align = ingpadboundary; + if (!is_t4(adap->params.chip)) { + sge_control2 = t4_read_reg(adap, A_SGE_CONTROL2); + ingpackboundary = G_INGPACKBOUNDARY(sge_control2); + if (ingpackboundary == X_INGPACKBOUNDARY_16B) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + X_INGPACKBOUNDARY_SHIFT); + + fl_align = max(ingpadboundary, ingpackboundary); + } + return fl_align; +} + +/** + * t4_fixup_host_params_compat - fix up host-dependent parameters + * @adap: the adapter + * @page_size: the host's Base Page Size + * @cache_line_size: the host's Cache Line Size + * @chip_compat: maintain compatibility with designated chip + * + * Various registers in the chip contain values which are dependent on the + * host's Base Page and Cache Line Sizes. This function will fix all of + * those registers with the appropriate values as passed in ... + * + * @chip_compat is used to limit the set of changes that are made + * to be compatible with the indicated chip release. This is used by + * drivers to maintain compatibility with chip register settings when + * the drivers haven't [yet] been updated with new chip support. + */ +int t4_fixup_host_params_compat(struct adapter *adap, + unsigned int page_size, + unsigned int cache_line_size, + enum chip_type chip_compat) +{ + unsigned int page_shift = cxgbe_fls(page_size) - 1; + unsigned int sge_hps = page_shift - 10; + unsigned int stat_len = cache_line_size > 64 ? 128 : 64; + unsigned int fl_align = cache_line_size < 32 ? 32 : cache_line_size; + unsigned int fl_align_log = cxgbe_fls(fl_align) - 1; + + t4_write_reg(adap, A_SGE_HOST_PAGE_SIZE, + V_HOSTPAGESIZEPF0(sge_hps) | + V_HOSTPAGESIZEPF1(sge_hps) | + V_HOSTPAGESIZEPF2(sge_hps) | + V_HOSTPAGESIZEPF3(sge_hps) | + V_HOSTPAGESIZEPF4(sge_hps) | + V_HOSTPAGESIZEPF5(sge_hps) | + V_HOSTPAGESIZEPF6(sge_hps) | + V_HOSTPAGESIZEPF7(sge_hps)); + + if (is_t4(adap->params.chip) || is_t4(chip_compat)) + t4_set_reg_field(adap, A_SGE_CONTROL, + V_INGPADBOUNDARY(M_INGPADBOUNDARY) | + F_EGRSTATUSPAGESIZE, + V_INGPADBOUNDARY(fl_align_log - + X_INGPADBOUNDARY_SHIFT) | + V_EGRSTATUSPAGESIZE(stat_len != 64)); + else { + unsigned int pack_align; + unsigned int ingpad, ingpack; + unsigned int pcie_cap; + + /* + * T5 introduced the separation of the Free List Padding and + * Packing Boundaries. Thus, we can select a smaller Padding + * Boundary to avoid uselessly chewing up PCIe Link and Memory + * Bandwidth, and use a Packing Boundary which is large enough + * to avoid false sharing between CPUs, etc. + * + * For the PCI Link, the smaller the Padding Boundary the + * better. For the Memory Controller, a smaller Padding + * Boundary is better until we cross under the Memory Line + * Size (the minimum unit of transfer to/from Memory). If we + * have a Padding Boundary which is smaller than the Memory + * Line Size, that'll involve a Read-Modify-Write cycle on the + * Memory Controller which is never good. + */ + + /* We want the Packing Boundary to be based on the Cache Line + * Size in order to help avoid False Sharing performance + * issues between CPUs, etc. We also want the Packing + * Boundary to incorporate the PCI-E Maximum Payload Size. We + * get best performance when the Packing Boundary is a + * multiple of the Maximum Payload Size. + */ + pack_align = fl_align; + pcie_cap = t4_os_find_pci_capability(adap, PCI_CAP_ID_EXP); + if (pcie_cap) { + unsigned int mps, mps_log; + u16 devctl; + + /* The PCIe Device Control Maximum Payload Size field + * [bits 7:5] encodes sizes as powers of 2 starting at + * 128 bytes. + */ + t4_os_pci_read_cfg2(adap, pcie_cap + PCI_EXP_DEVCTL, + &devctl); + mps_log = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5) + 7; + mps = 1 << mps_log; + if (mps > pack_align) + pack_align = mps; + } + + /* + * N.B. T5 has a different interpretation of the "0" value for + * the Packing Boundary. This corresponds to 16 bytes instead + * of the expected 32 bytes. We never have a Packing Boundary + * less than 32 bytes so we can't use that special value but + * on the other hand, if we wanted 32 bytes, the best we can + * really do is 64 bytes ... + */ + if (pack_align <= 16) { + ingpack = X_INGPACKBOUNDARY_16B; + fl_align = 16; + } else if (pack_align == 32) { + ingpack = X_INGPACKBOUNDARY_64B; + fl_align = 64; + } else { + unsigned int pack_align_log = cxgbe_fls(pack_align) - 1; + + ingpack = pack_align_log - X_INGPACKBOUNDARY_SHIFT; + fl_align = pack_align; + } + + /* Use the smallest Ingress Padding which isn't smaller than + * the Memory Controller Read/Write Size. We'll take that as + * being 8 bytes since we don't know of any system with a + * wider Memory Controller Bus Width. + */ + if (is_t5(adap->params.chip)) + ingpad = X_INGPADBOUNDARY_32B; + else + ingpad = X_T6_INGPADBOUNDARY_8B; + t4_set_reg_field(adap, A_SGE_CONTROL, + V_INGPADBOUNDARY(M_INGPADBOUNDARY) | + F_EGRSTATUSPAGESIZE, + V_INGPADBOUNDARY(ingpad) | + V_EGRSTATUSPAGESIZE(stat_len != 64)); + t4_set_reg_field(adap, A_SGE_CONTROL2, + V_INGPACKBOUNDARY(M_INGPACKBOUNDARY), + V_INGPACKBOUNDARY(ingpack)); + } + + /* + * Adjust various SGE Free List Host Buffer Sizes. + * + * The first four entries are: + * + * 0: Host Page Size + * 1: 64KB + * 2: Buffer size corresponding to 1500 byte MTU (unpacked mode) + * 3: Buffer size corresponding to 9000 byte MTU (unpacked mode) + * + * For the single-MTU buffers in unpacked mode we need to include + * space for the SGE Control Packet Shift, 14 byte Ethernet header, + * possible 4 byte VLAN tag, all rounded up to the next Ingress Packet + * Padding boundary. All of these are accommodated in the Factory + * Default Firmware Configuration File but we need to adjust it for + * this host's cache line size. + */ + t4_write_reg(adap, A_SGE_FL_BUFFER_SIZE0, page_size); + t4_write_reg(adap, A_SGE_FL_BUFFER_SIZE2, + (t4_read_reg(adap, A_SGE_FL_BUFFER_SIZE2) + fl_align - 1) + & ~(fl_align - 1)); + t4_write_reg(adap, A_SGE_FL_BUFFER_SIZE3, + (t4_read_reg(adap, A_SGE_FL_BUFFER_SIZE3) + fl_align - 1) + & ~(fl_align - 1)); + + t4_write_reg(adap, A_ULP_RX_TDDP_PSZ, V_HPZ0(page_shift - 12)); + + return 0; +} + +/** + * t4_fixup_host_params - fix up host-dependent parameters (T4 compatible) + * @adap: the adapter + * @page_size: the host's Base Page Size + * @cache_line_size: the host's Cache Line Size + * + * Various registers in T4 contain values which are dependent on the + * host's Base Page and Cache Line Sizes. This function will fix all of + * those registers with the appropriate values as passed in ... + * + * This routine makes changes which are compatible with T4 chips. + */ +int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, + unsigned int cache_line_size) +{ + return t4_fixup_host_params_compat(adap, page_size, cache_line_size, + T4_LAST_REV); +} + +/** + * t4_fw_initialize - ask FW to initialize the device + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * + * Issues a command to FW to partially initialize the device. This + * performs initialization that generally doesn't depend on user input. + */ +int t4_fw_initialize(struct adapter *adap, unsigned int mbox) +{ + struct fw_initialize_cmd c; + + memset(&c, 0, sizeof(c)); + INIT_CMD(c, INITIALIZE, WRITE); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); +} + +/** + * t4_query_params_rw - query FW or device parameters + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF + * @vf: the VF + * @nparams: the number of parameters + * @params: the parameter names + * @val: the parameter values + * @rw: Write and read flag + * + * Reads the value of FW or device parameters. Up to 7 parameters can be + * queried at once. + */ +static int t4_query_params_rw(struct adapter *adap, unsigned int mbox, + unsigned int pf, unsigned int vf, + unsigned int nparams, const u32 *params, + u32 *val, int rw) +{ + unsigned int i; + int ret; + struct fw_params_cmd c; + __be32 *p = &c.param[0].mnem; + + if (nparams > 7) + return -EINVAL; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ | + V_FW_PARAMS_CMD_PFN(pf) | + V_FW_PARAMS_CMD_VFN(vf)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + + for (i = 0; i < nparams; i++) { + *p++ = cpu_to_be32(*params++); + if (rw) + *p = cpu_to_be32(*(val + i)); + p++; + } + + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + if (ret == 0) + for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2) + *val++ = be32_to_cpu(*p); + return ret; +} + +int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int nparams, const u32 *params, + u32 *val) +{ + return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0); +} + +/** + * t4_set_params_timeout - sets FW or device parameters + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF + * @vf: the VF + * @nparams: the number of parameters + * @params: the parameter names + * @val: the parameter values + * @timeout: the timeout time + * + * Sets the value of FW or device parameters. Up to 7 parameters can be + * specified at once. + */ +int t4_set_params_timeout(struct adapter *adap, unsigned int mbox, + unsigned int pf, unsigned int vf, + unsigned int nparams, const u32 *params, + const u32 *val, int timeout) +{ + struct fw_params_cmd c; + __be32 *p = &c.param[0].mnem; + + if (nparams > 7) + return -EINVAL; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_PARAMS_CMD_PFN(pf) | + V_FW_PARAMS_CMD_VFN(vf)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + + while (nparams--) { + *p++ = cpu_to_be32(*params++); + *p++ = cpu_to_be32(*val++); + } + + return t4_wr_mbox_timeout(adap, mbox, &c, sizeof(c), NULL, timeout); +} + +int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int nparams, const u32 *params, + const u32 *val) +{ + return t4_set_params_timeout(adap, mbox, pf, vf, nparams, params, val, + FW_CMD_MAX_TIMEOUT); +} + +/** + * t4_alloc_vi_func - allocate a virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @port: physical port associated with the VI + * @pf: the PF owning the VI + * @vf: the VF owning the VI + * @nmac: number of MAC addresses needed (1 to 5) + * @mac: the MAC addresses of the VI + * @rss_size: size of RSS table slice associated with this VI + * @portfunc: which Port Application Function MAC Address is desired + * @idstype: Intrusion Detection Type + * + * Allocates a virtual interface for the given physical port. If @mac is + * not %NULL it contains the MAC addresses of the VI as assigned by FW. + * @mac should be large enough to hold @nmac Ethernet addresses, they are + * stored consecutively so the space needed is @nmac * 6 bytes. + * Returns a negative error number or the non-negative VI id. + */ +int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox, + unsigned int port, unsigned int pf, unsigned int vf, + unsigned int nmac, u8 *mac, unsigned int *rss_size, + unsigned int portfunc, unsigned int idstype, + u8 *vivld, u8 *vin) +{ + int ret; + struct fw_vi_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | F_FW_CMD_EXEC | + V_FW_VI_CMD_PFN(pf) | V_FW_VI_CMD_VFN(vf)); + c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_ALLOC | FW_LEN16(c)); + c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_TYPE(idstype) | + V_FW_VI_CMD_FUNC(portfunc)); + c.portid_pkd = V_FW_VI_CMD_PORTID(port); + c.nmac = nmac - 1; + + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + if (ret) + return ret; + + if (mac) { + memcpy(mac, c.mac, sizeof(c.mac)); + switch (nmac) { + case 5: + memcpy(mac + 24, c.nmac3, sizeof(c.nmac3)); + /* FALLTHROUGH */ + case 4: + memcpy(mac + 18, c.nmac2, sizeof(c.nmac2)); + /* FALLTHROUGH */ + case 3: + memcpy(mac + 12, c.nmac1, sizeof(c.nmac1)); + /* FALLTHROUGH */ + case 2: + memcpy(mac + 6, c.nmac0, sizeof(c.nmac0)); + /* FALLTHROUGH */ + } + } + if (rss_size) + *rss_size = G_FW_VI_CMD_RSSSIZE(be16_to_cpu(c.norss_rsssize)); + if (vivld) + *vivld = G_FW_VI_CMD_VFVLD(be32_to_cpu(c.alloc_to_len16)); + if (vin) + *vin = G_FW_VI_CMD_VIN(be32_to_cpu(c.alloc_to_len16)); + return G_FW_VI_CMD_VIID(cpu_to_be16(c.type_to_viid)); +} + +/** + * t4_alloc_vi - allocate an [Ethernet Function] virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @port: physical port associated with the VI + * @pf: the PF owning the VI + * @vf: the VF owning the VI + * @nmac: number of MAC addresses needed (1 to 5) + * @mac: the MAC addresses of the VI + * @rss_size: size of RSS table slice associated with this VI + * + * Backwards compatible and convieniance routine to allocate a Virtual + * Interface with a Ethernet Port Application Function and Intrustion + * Detection System disabled. + */ +int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, + unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, + unsigned int *rss_size, u8 *vivld, u8 *vin) +{ + return t4_alloc_vi_func(adap, mbox, port, pf, vf, nmac, mac, rss_size, + FW_VI_FUNC_ETH, 0, vivld, vin); +} + +/** + * t4_free_vi - free a virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF owning the VI + * @vf: the VF owning the VI + * @viid: virtual interface identifiler + * + * Free a previously allocated virtual interface. + */ +int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int viid) +{ + struct fw_vi_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_VI_CMD_PFN(pf) | + V_FW_VI_CMD_VFN(vf)); + c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c)); + c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid)); + + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); +} + +/** + * t4_set_rxmode - set Rx properties of a virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @viid: the VI id + * @mtu: the new MTU or -1 + * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change + * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change + * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change + * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it, + * -1 no change + * @sleep_ok: if true we may sleep while awaiting command completion + * + * Sets Rx properties of a virtual interface. + */ +int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, + int mtu, int promisc, int all_multi, int bcast, int vlanex, + bool sleep_ok) +{ + struct fw_vi_rxmode_cmd c; + + /* convert to FW values */ + if (mtu < 0) + mtu = M_FW_VI_RXMODE_CMD_MTU; + if (promisc < 0) + promisc = M_FW_VI_RXMODE_CMD_PROMISCEN; + if (all_multi < 0) + all_multi = M_FW_VI_RXMODE_CMD_ALLMULTIEN; + if (bcast < 0) + bcast = M_FW_VI_RXMODE_CMD_BROADCASTEN; + if (vlanex < 0) + vlanex = M_FW_VI_RXMODE_CMD_VLANEXEN; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_RXMODE_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_VI_RXMODE_CMD_VIID(viid)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + c.mtu_to_vlanexen = cpu_to_be32(V_FW_VI_RXMODE_CMD_MTU(mtu) | + V_FW_VI_RXMODE_CMD_PROMISCEN(promisc) | + V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) | + V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) | + V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex)); + if (is_pf4(adap)) + return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, + sleep_ok); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); +} + +/** + * t4_alloc_raw_mac_filt - Adds a raw mac entry in mps tcam + * @adap: the adapter + * @viid: the VI id + * @mac: the MAC address + * @mask: the mask + * @idx: index at which to add this entry + * @port_id: the port index + * @lookup_type: MAC address for inner (1) or outer (0) header + * @sleep_ok: call is allowed to sleep + * + * Adds the mac entry at the specified index using raw mac interface. + * + * Returns a negative error number or the allocated index for this mac. + */ +int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid, + const u8 *addr, const u8 *mask, unsigned int idx, + u8 lookup_type, u8 port_id, bool sleep_ok) +{ + int ret = 0; + struct fw_vi_mac_cmd c; + struct fw_vi_mac_raw *p = &c.u.raw; + u32 val; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_VI_MAC_CMD_VIID(viid)); + val = V_FW_CMD_LEN16(1) | + V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW); + c.freemacs_to_len16 = cpu_to_be32(val); + + /* Specify that this is an inner mac address */ + p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx)); + + /* Lookup Type. Outer header: 0, Inner header: 1 */ + p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) | + V_DATAPORTNUM(port_id)); + /* Lookup mask and port mask */ + p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) | + V_DATAPORTNUM(M_DATAPORTNUM)); + + /* Copy the address and the mask */ + memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN); + memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN); + + ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok); + if (ret == 0) { + ret = G_FW_VI_MAC_CMD_RAW_IDX(be32_to_cpu(p->raw_idx_pkd)); + if (ret != (int)idx) + ret = -ENOMEM; + } + + return ret; +} + +/** + * t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam + * @adap: the adapter + * @viid: the VI id + * @addr: the MAC address + * @mask: the mask + * @idx: index of the entry in mps tcam + * @lookup_type: MAC address for inner (1) or outer (0) header + * @port_id: the port index + * @sleep_ok: call is allowed to sleep + * + * Removes the mac entry at the specified index using raw mac interface. + * + * Returns a negative error number on failure. + */ +int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid, + const u8 *addr, const u8 *mask, unsigned int idx, + u8 lookup_type, u8 port_id, bool sleep_ok) +{ + struct fw_vi_mac_cmd c; + struct fw_vi_mac_raw *p = &c.u.raw; + u32 raw; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_CMD_EXEC(0) | + V_FW_VI_MAC_CMD_VIID(viid)); + raw = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW); + c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0U) | + raw | + V_FW_CMD_LEN16(1)); + + p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx) | + FW_VI_MAC_ID_BASED_FREE); + + /* Lookup Type. Outer header: 0, Inner header: 1 */ + p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) | + V_DATAPORTNUM(port_id)); + /* Lookup mask and port mask */ + p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) | + V_DATAPORTNUM(M_DATAPORTNUM)); + + /* Copy the address and the mask */ + memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN); + memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN); + + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok); +} + +/** + * t4_change_mac - modifies the exact-match filter for a MAC address + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @viid: the VI id + * @idx: index of existing filter for old value of MAC address, or -1 + * @addr: the new MAC address value + * @persist: whether a new MAC allocation should be persistent + * @add_smt: if true also add the address to the HW SMT + * + * Modifies an exact-match filter and sets it to the new MAC address if + * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the + * latter case the address is added persistently if @persist is %true. + * + * Note that in general it is not possible to modify the value of a given + * filter so the generic way to modify an address filter is to free the one + * being used by the old address value and allocate a new filter for the + * new address value. + * + * Returns a negative error number or the index of the filter with the new + * MAC value. Note that this index may differ from @idx. + */ +int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, + int idx, const u8 *addr, bool persist, bool add_smt) +{ + int ret, mode; + struct fw_vi_mac_cmd c; + struct fw_vi_mac_exact *p = c.u.exact; + int max_mac_addr = adap->params.arch.mps_tcam_size; + + if (idx < 0) /* new allocation */ + idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC; + mode = add_smt ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE | + V_FW_VI_MAC_CMD_VIID(viid)); + c.freemacs_to_len16 = cpu_to_be32(V_FW_CMD_LEN16(1)); + p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID | + V_FW_VI_MAC_CMD_SMAC_RESULT(mode) | + V_FW_VI_MAC_CMD_IDX(idx)); + memcpy(p->macaddr, addr, sizeof(p->macaddr)); + + if (is_pf4(adap)) + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + else + ret = t4vf_wr_mbox(adap, &c, sizeof(c), &c); + if (ret == 0) { + ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx)); + if (ret >= max_mac_addr) + ret = -ENOMEM; + } + return ret; +} + +/** + * t4_enable_vi_params - enable/disable a virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @viid: the VI id + * @rx_en: 1=enable Rx, 0=disable Rx + * @tx_en: 1=enable Tx, 0=disable Tx + * @dcb_en: 1=enable delivery of Data Center Bridging messages. + * + * Enables/disables a virtual interface. Note that setting DCB Enable + * only makes sense when enabling a Virtual Interface ... + */ +int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, + unsigned int viid, bool rx_en, bool tx_en, bool dcb_en) +{ + struct fw_vi_enable_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_EXEC | + V_FW_VI_ENABLE_CMD_VIID(viid)); + c.ien_to_len16 = cpu_to_be32(V_FW_VI_ENABLE_CMD_IEN(rx_en) | + V_FW_VI_ENABLE_CMD_EEN(tx_en) | + V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) | + FW_LEN16(c)); + if (is_pf4(adap)) + return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox_ns(adap, &c, sizeof(c), NULL); +} + +/** + * t4_enable_vi - enable/disable a virtual interface + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @viid: the VI id + * @rx_en: 1=enable Rx, 0=disable Rx + * @tx_en: 1=enable Tx, 0=disable Tx + * + * Enables/disables a virtual interface. Note that setting DCB Enable + * only makes sense when enabling a Virtual Interface ... + */ +int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, + bool rx_en, bool tx_en) +{ + return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0); +} + +/** + * t4_iq_start_stop - enable/disable an ingress queue and its FLs + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @start: %true to enable the queues, %false to disable them + * @pf: the PF owning the queues + * @vf: the VF owning the queues + * @iqid: ingress queue id + * @fl0id: FL0 queue id or 0xffff if no attached FL0 + * @fl1id: FL1 queue id or 0xffff if no attached FL1 + * + * Starts or stops an ingress queue and its associated FLs, if any. + */ +int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start, + unsigned int pf, unsigned int vf, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id) +{ + struct fw_iq_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_EXEC); + c.alloc_to_len16 = cpu_to_be32(V_FW_IQ_CMD_IQSTART(start) | + V_FW_IQ_CMD_IQSTOP(!start) | + FW_LEN16(c)); + c.iqid = cpu_to_be16(iqid); + c.fl0id = cpu_to_be16(fl0id); + c.fl1id = cpu_to_be16(fl1id); + if (is_pf4(adap)) { + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + } else { + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); + } +} + +/** + * t4_iq_free - free an ingress queue and its FLs + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF owning the queues + * @vf: the VF owning the queues + * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.) + * @iqid: ingress queue id + * @fl0id: FL0 queue id or 0xffff if no attached FL0 + * @fl1id: FL1 queue id or 0xffff if no attached FL1 + * + * Frees an ingress queue and its associated FLs, if any. + */ +int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int iqtype, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id) +{ + struct fw_iq_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); + c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c)); + c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype)); + c.iqid = cpu_to_be16(iqid); + c.fl0id = cpu_to_be16(fl0id); + c.fl1id = cpu_to_be16(fl1id); + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); +} + +/** + * t4_eth_eq_free - free an Ethernet egress queue + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF owning the queue + * @vf: the VF owning the queue + * @eqid: egress queue id + * + * Frees an Ethernet egress queue. + */ +int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int eqid) +{ + struct fw_eq_eth_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); + c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c)); + c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid)); + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); +} + +/** + * t4_link_down_rc_str - return a string for a Link Down Reason Code + * @link_down_rc: Link Down Reason Code + * + * Returns a string representation of the Link Down Reason Code. + */ +static const char *t4_link_down_rc_str(unsigned char link_down_rc) +{ + static const char * const reason[] = { + "Link Down", + "Remote Fault", + "Auto-negotiation Failure", + "Reserved", + "Insufficient Airflow", + "Unable To Determine Reason", + "No RX Signal Detected", + "Reserved", + }; + + if (link_down_rc >= ARRAY_SIZE(reason)) + return "Bad Reason Code"; + + return reason[link_down_rc]; +} + +/* Return the highest speed set in the port capabilities, in Mb/s. */ +static unsigned int fwcap_to_speed(fw_port_cap32_t caps) +{ +#define TEST_SPEED_RETURN(__caps_speed, __speed) \ + do { \ + if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \ + return __speed; \ + } while (0) + + TEST_SPEED_RETURN(100G, 100000); + TEST_SPEED_RETURN(50G, 50000); + TEST_SPEED_RETURN(40G, 40000); + TEST_SPEED_RETURN(25G, 25000); + TEST_SPEED_RETURN(10G, 10000); + TEST_SPEED_RETURN(1G, 1000); + TEST_SPEED_RETURN(100M, 100); + +#undef TEST_SPEED_RETURN + + return 0; +} + +/** + * t4_handle_get_port_info - process a FW reply message + * @pi: the port info + * @rpl: start of the FW message + * + * Processes a GET_PORT_INFO FW reply message. + */ +static void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl) +{ + const struct fw_port_cmd *cmd = (const void *)rpl; + int action = G_FW_PORT_CMD_ACTION(be32_to_cpu(cmd->action_to_len16)); + fw_port_cap32_t pcaps, acaps, linkattr; + struct link_config *lc = &pi->link_cfg; + struct adapter *adapter = pi->adapter; + enum fw_port_module_type mod_type; + enum fw_port_type port_type; + unsigned int speed, fc, fec; + int link_ok, linkdnrc; + + /* Extract the various fields from the Port Information message. + */ + switch (action) { + case FW_PORT_ACTION_GET_PORT_INFO: { + u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype); + + link_ok = (lstatus & F_FW_PORT_CMD_LSTATUS) != 0; + linkdnrc = G_FW_PORT_CMD_LINKDNRC(lstatus); + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mod_type = G_FW_PORT_CMD_MODTYPE(lstatus); + pcaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.pcap)); + acaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.acap)); + + /* Unfortunately the format of the Link Status in the old + * 16-bit Port Information message isn't the same as the + * 16-bit Port Capabilities bitfield used everywhere else ... + */ + linkattr = 0; + if (lstatus & F_FW_PORT_CMD_RXPAUSE) + linkattr |= FW_PORT_CAP32_FC_RX; + if (lstatus & F_FW_PORT_CMD_TXPAUSE) + linkattr |= FW_PORT_CAP32_FC_TX; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) + linkattr |= FW_PORT_CAP32_SPEED_100M; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) + linkattr |= FW_PORT_CAP32_SPEED_1G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) + linkattr |= FW_PORT_CAP32_SPEED_10G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G)) + linkattr |= FW_PORT_CAP32_SPEED_25G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G)) + linkattr |= FW_PORT_CAP32_SPEED_40G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G)) + linkattr |= FW_PORT_CAP32_SPEED_100G; + + break; + } + + case FW_PORT_ACTION_GET_PORT_INFO32: { + u32 lstatus32 = + be32_to_cpu(cmd->u.info32.lstatus32_to_cbllen32); + + link_ok = (lstatus32 & F_FW_PORT_CMD_LSTATUS32) != 0; + linkdnrc = G_FW_PORT_CMD_LINKDNRC32(lstatus32); + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mod_type = G_FW_PORT_CMD_MODTYPE32(lstatus32); + pcaps = be32_to_cpu(cmd->u.info32.pcaps32); + acaps = be32_to_cpu(cmd->u.info32.acaps32); + linkattr = be32_to_cpu(cmd->u.info32.linkattr32); + break; + } + + default: + dev_warn(adapter, "Handle Port Information: Bad Command/Action %#x\n", + be32_to_cpu(cmd->action_to_len16)); + return; + } + + fec = fwcap_to_cc_fec(acaps); + + fc = fwcap_to_cc_pause(linkattr); + speed = fwcap_to_speed(linkattr); + + if (mod_type != pi->mod_type) { + lc->auto_fec = fec; + pi->port_type = port_type; + pi->mod_type = mod_type; + t4_os_portmod_changed(adapter, pi->pidx); + } + if (link_ok != lc->link_ok || speed != lc->speed || + fc != lc->fc || fec != lc->fec) { /* something changed */ + if (!link_ok && lc->link_ok) { + lc->link_down_rc = linkdnrc; + dev_warn(adap, "Port %d link down, reason: %s\n", + pi->tx_chan, t4_link_down_rc_str(linkdnrc)); + } + lc->link_ok = link_ok; + lc->speed = speed; + lc->fc = fc; + lc->fec = fec; + lc->pcaps = pcaps; + lc->acaps = acaps & ADVERT_MASK; + + if (lc->acaps & FW_PORT_CAP32_ANEG) { + lc->autoneg = AUTONEG_ENABLE; + } else { + /* When Autoneg is disabled, user needs to set + * single speed. + * Similar to cxgb4_ethtool.c: set_link_ksettings + */ + lc->acaps = 0; + lc->requested_speed = fwcap_to_speed(acaps); + lc->autoneg = AUTONEG_DISABLE; + } + } +} + +/** + * t4_ctrl_eq_free - free a control egress queue + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF owning the queue + * @vf: the VF owning the queue + * @eqid: egress queue id + * + * Frees a control egress queue. + */ +int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int eqid) +{ + struct fw_eq_ctrl_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_CTRL_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_EXEC | + V_FW_EQ_CTRL_CMD_PFN(pf) | + V_FW_EQ_CTRL_CMD_VFN(vf)); + c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c)); + c.cmpliqid_eqid = cpu_to_be32(V_FW_EQ_CTRL_CMD_EQID(eqid)); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); +} + +/** + * t4_handle_fw_rpl - process a FW reply message + * @adap: the adapter + * @rpl: start of the FW message + * + * Processes a FW message, such as link state change messages. + */ +int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl) +{ + u8 opcode = *(const u8 *)rpl; + + /* + * This might be a port command ... this simplifies the following + * conditionals ... We can get away with pre-dereferencing + * action_to_len16 because it's in the first 16 bytes and all messages + * will be at least that long. + */ + const struct fw_port_cmd *p = (const void *)rpl; + unsigned int action = + G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16)); + + if (opcode == FW_PORT_CMD && + (action == FW_PORT_ACTION_GET_PORT_INFO || + action == FW_PORT_ACTION_GET_PORT_INFO32)) { + /* link/module state change message */ + int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid)); + struct port_info *pi = NULL; + int i; + + for_each_port(adap, i) { + pi = adap2pinfo(adap, i); + if (pi->tx_chan == chan) + break; + } + + t4_handle_get_port_info(pi, rpl); + } else { + dev_warn(adap, "Unknown firmware reply %d\n", opcode); + return -EINVAL; + } + return 0; +} + +void t4_reset_link_config(struct adapter *adap, int idx) +{ + struct port_info *pi = adap2pinfo(adap, idx); + struct link_config *lc = &pi->link_cfg; + + lc->link_ok = 0; + lc->requested_speed = 0; + lc->requested_fc = 0; + lc->speed = 0; + lc->fc = 0; +} + +/** + * init_link_config - initialize a link's SW state + * @lc: structure holding the link state + * @pcaps: link Port Capabilities + * @acaps: link current Advertised Port Capabilities + * + * Initializes the SW state maintained for each link, including the link's + * capabilities and default speed/flow-control/autonegotiation settings. + */ +void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, + fw_port_cap32_t acaps) +{ + lc->pcaps = pcaps; + lc->requested_speed = 0; + lc->speed = 0; + lc->requested_fc = 0; + lc->fc = 0; + + /** + * For Forward Error Control, we default to whatever the Firmware + * tells us the Link is currently advertising. + */ + lc->auto_fec = fwcap_to_cc_fec(acaps); + lc->requested_fec = FEC_AUTO; + lc->fec = lc->auto_fec; + + if (lc->pcaps & FW_PORT_CAP32_ANEG) { + lc->acaps = lc->pcaps & ADVERT_MASK; + lc->autoneg = AUTONEG_ENABLE; + lc->requested_fc |= PAUSE_AUTONEG; + } else { + lc->acaps = 0; + lc->autoneg = AUTONEG_DISABLE; + } +} + +/** + * t4_wait_dev_ready - wait till to reads of registers work + * + * Right after the device is RESET is can take a small amount of time + * for it to respond to register reads. Until then, all reads will + * return either 0xff...ff or 0xee...ee. Return an error if reads + * don't work within a reasonable time frame. + */ +static int t4_wait_dev_ready(struct adapter *adapter) +{ + u32 whoami; + + whoami = t4_read_reg(adapter, A_PL_WHOAMI); + + if (whoami != 0xffffffff && whoami != X_CIM_PF_NOACCESS) + return 0; + + msleep(500); + whoami = t4_read_reg(adapter, A_PL_WHOAMI); + if (whoami != 0xffffffff && whoami != X_CIM_PF_NOACCESS) + return 0; + + dev_err(adapter, "Device didn't become ready for access, whoami = %#x\n", + whoami); + return -EIO; +} + +struct flash_desc { + u32 vendor_and_model_id; + u32 size_mb; +}; + +int t4_get_flash_params(struct adapter *adapter) +{ + /* + * Table for non-standard supported Flash parts. Note, all Flash + * parts must have 64KB sectors. + */ + static struct flash_desc supported_flash[] = { + { 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */ + }; + + int ret; + u32 flashid = 0; + unsigned int part, manufacturer; + unsigned int density, size = 0; + + /** + * Issue a Read ID Command to the Flash part. We decode supported + * Flash parts and their sizes from this. There's a newer Query + * Command which can retrieve detailed geometry information but + * many Flash parts don't support it. + */ + ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID); + if (!ret) + ret = sf1_read(adapter, 3, 0, 1, &flashid); + t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */ + if (ret < 0) + return ret; + + /** + * Check to see if it's one of our non-standard supported Flash parts. + */ + for (part = 0; part < ARRAY_SIZE(supported_flash); part++) { + if (supported_flash[part].vendor_and_model_id == flashid) { + adapter->params.sf_size = + supported_flash[part].size_mb; + adapter->params.sf_nsec = + adapter->params.sf_size / SF_SEC_SIZE; + goto found; + } + } + + /** + * Decode Flash part size. The code below looks repetative with + * common encodings, but that's not guaranteed in the JEDEC + * specification for the Read JADEC ID command. The only thing that + * we're guaranteed by the JADEC specification is where the + * Manufacturer ID is in the returned result. After that each + * Manufacturer ~could~ encode things completely differently. + * Note, all Flash parts must have 64KB sectors. + */ + manufacturer = flashid & 0xff; + switch (manufacturer) { + case 0x20: { /* Micron/Numonix */ + /** + * This Density -> Size decoding table is taken from Micron + * Data Sheets. + */ + density = (flashid >> 16) & 0xff; + switch (density) { + case 0x14: + size = 1 << 20; /* 1MB */ + break; + case 0x15: + size = 1 << 21; /* 2MB */ + break; + case 0x16: + size = 1 << 22; /* 4MB */ + break; + case 0x17: + size = 1 << 23; /* 8MB */ + break; + case 0x18: + size = 1 << 24; /* 16MB */ + break; + case 0x19: + size = 1 << 25; /* 32MB */ + break; + case 0x20: + size = 1 << 26; /* 64MB */ + break; + case 0x21: + size = 1 << 27; /* 128MB */ + break; + case 0x22: + size = 1 << 28; /* 256MB */ + break; + } + break; + } + + case 0x9d: { /* ISSI -- Integrated Silicon Solution, Inc. */ + /** + * This Density -> Size decoding table is taken from ISSI + * Data Sheets. + */ + density = (flashid >> 16) & 0xff; + switch (density) { + case 0x16: + size = 1 << 25; /* 32MB */ + break; + case 0x17: + size = 1 << 26; /* 64MB */ + break; + } + break; + } + + case 0xc2: { /* Macronix */ + /** + * This Density -> Size decoding table is taken from Macronix + * Data Sheets. + */ + density = (flashid >> 16) & 0xff; + switch (density) { + case 0x17: + size = 1 << 23; /* 8MB */ + break; + case 0x18: + size = 1 << 24; /* 16MB */ + break; + } + break; + } + + case 0xef: { /* Winbond */ + /** + * This Density -> Size decoding table is taken from Winbond + * Data Sheets. + */ + density = (flashid >> 16) & 0xff; + switch (density) { + case 0x17: + size = 1 << 23; /* 8MB */ + break; + case 0x18: + size = 1 << 24; /* 16MB */ + break; + } + break; + } + } + + /* If we didn't recognize the FLASH part, that's no real issue: the + * Hardware/Software contract says that Hardware will _*ALWAYS*_ + * use a FLASH part which is at least 4MB in size and has 64KB + * sectors. The unrecognized FLASH part is likely to be much larger + * than 4MB, but that's all we really need. + */ + if (size == 0) { + dev_warn(adapter, + "Unknown Flash Part, ID = %#x, assuming 4MB\n", + flashid); + size = 1 << 22; + } + + /** + * Store decoded Flash size and fall through into vetting code. + */ + adapter->params.sf_size = size; + adapter->params.sf_nsec = size / SF_SEC_SIZE; + +found: + /* + * We should reject adapters with FLASHes which are too small. So, emit + * a warning. + */ + if (adapter->params.sf_size < FLASH_MIN_SIZE) + dev_warn(adapter, "WARNING: Flash Part ID %#x, size %#x < %#x\n", + flashid, adapter->params.sf_size, FLASH_MIN_SIZE); + + return 0; +} + +static void set_pcie_completion_timeout(struct adapter *adapter, + u8 range) +{ + u32 pcie_cap; + u16 val; + + pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP); + if (pcie_cap) { + t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val); + val &= 0xfff0; + val |= range; + t4_os_pci_write_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, val); + } +} + +/** + * t4_get_chip_type - Determine chip type from device ID + * @adap: the adapter + * @ver: adapter version + */ +int t4_get_chip_type(struct adapter *adap, int ver) +{ + enum chip_type chip = 0; + u32 pl_rev = G_REV(t4_read_reg(adap, A_PL_REV)); + + /* Retrieve adapter's device ID */ + switch (ver) { + case CHELSIO_T5: + chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev); + break; + case CHELSIO_T6: + chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev); + break; + default: + dev_err(adap, "Device %d is not supported\n", + adap->params.pci.device_id); + return -EINVAL; + } + + return chip; +} + +/** + * t4_prep_adapter - prepare SW and HW for operation + * @adapter: the adapter + * + * Initialize adapter SW state for the various HW modules, set initial + * values for some adapter tunables, take PHYs out of reset, and + * initialize the MDIO interface. + */ +int t4_prep_adapter(struct adapter *adapter) +{ + int ret, ver; + u32 pl_rev; + + ret = t4_wait_dev_ready(adapter); + if (ret < 0) + return ret; + + pl_rev = G_REV(t4_read_reg(adapter, A_PL_REV)); + adapter->params.pci.device_id = adapter->pdev->id.device_id; + adapter->params.pci.vendor_id = adapter->pdev->id.vendor_id; + + /* + * WE DON'T NEED adapter->params.chip CODE ONCE PL_REV CONTAINS + * ADAPTER (VERSION << 4 | REVISION) + */ + ver = CHELSIO_PCI_ID_VER(adapter->params.pci.device_id); + adapter->params.chip = 0; + switch (ver) { + case CHELSIO_T5: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev); + adapter->params.arch.sge_fl_db = F_DBPRIO | F_DBTYPE; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + adapter->params.arch.mps_rplc_size = 128; + adapter->params.arch.nchan = NCHAN; + adapter->params.arch.vfcount = 128; + break; + case CHELSIO_T6: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev); + adapter->params.arch.sge_fl_db = 0; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + adapter->params.arch.mps_rplc_size = 256; + adapter->params.arch.nchan = 2; + adapter->params.arch.vfcount = 256; + break; + default: + dev_err(adapter, "%s: Device %d is not supported\n", + __func__, adapter->params.pci.device_id); + return -EINVAL; + } + + adapter->params.pci.vpd_cap_addr = + t4_os_find_pci_capability(adapter, PCI_CAP_ID_VPD); + + ret = t4_get_flash_params(adapter); + if (ret < 0) { + dev_err(adapter, "Unable to retrieve Flash Parameters, ret = %d\n", + -ret); + return ret; + } + + adapter->params.cim_la_size = CIMLA_SIZE; + + init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd); + + /* + * Default port and clock for debugging in case we can't reach FW. + */ + adapter->params.nports = 1; + adapter->params.portvec = 1; + adapter->params.vpd.cclk = 50000; + + /* Set pci completion timeout value to 4 seconds. */ + set_pcie_completion_timeout(adapter, 0xd); + return 0; +} + +/** + * t4_bar2_sge_qregs - return BAR2 SGE Queue register information + * @adapter: the adapter + * @qid: the Queue ID + * @qtype: the Ingress or Egress type for @qid + * @pbar2_qoffset: BAR2 Queue Offset + * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues + * + * Returns the BAR2 SGE Queue Registers information associated with the + * indicated Absolute Queue ID. These are passed back in return value + * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue + * and T4_BAR2_QTYPE_INGRESS for Ingress Queues. + * + * This may return an error which indicates that BAR2 SGE Queue + * registers aren't available. If an error is not returned, then the + * following values are returned: + * + * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers + * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid + * + * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which + * require the "Inferred Queue ID" ability may be used. E.g. the + * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0, + * then these "Inferred Queue ID" register may not be used. + */ +int t4_bar2_sge_qregs(struct adapter *adapter, unsigned int qid, + enum t4_bar2_qtype qtype, u64 *pbar2_qoffset, + unsigned int *pbar2_qid) +{ + unsigned int page_shift, page_size, qpp_shift, qpp_mask; + u64 bar2_page_offset, bar2_qoffset; + unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred; + + /* + * T4 doesn't support BAR2 SGE Queue registers. + */ + if (is_t4(adapter->params.chip)) + return -EINVAL; + + /* + * Get our SGE Page Size parameters. + */ + page_shift = adapter->params.sge.hps + 10; + page_size = 1 << page_shift; + + /* + * Get the right Queues per Page parameters for our Queue. + */ + qpp_shift = (qtype == T4_BAR2_QTYPE_EGRESS ? + adapter->params.sge.eq_qpp : + adapter->params.sge.iq_qpp); + qpp_mask = (1 << qpp_shift) - 1; + + /* + * Calculate the basics of the BAR2 SGE Queue register area: + * o The BAR2 page the Queue registers will be in. + * o The BAR2 Queue ID. + * o The BAR2 Queue ID Offset into the BAR2 page. + */ + bar2_page_offset = ((qid >> qpp_shift) << page_shift); + bar2_qid = qid & qpp_mask; + bar2_qid_offset = bar2_qid * SGE_UDB_SIZE; + + /* + * If the BAR2 Queue ID Offset is less than the Page Size, then the + * hardware will infer the Absolute Queue ID simply from the writes to + * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a + * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply + * write to the first BAR2 SGE Queue Area within the BAR2 Page with + * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID + * from the BAR2 Page and BAR2 Queue ID. + * + * One important censequence of this is that some BAR2 SGE registers + * have a "Queue ID" field and we can write the BAR2 SGE Queue ID + * there. But other registers synthesize the SGE Queue ID purely + * from the writes to the registers -- the Write Combined Doorbell + * Buffer is a good example. These BAR2 SGE Registers are only + * available for those BAR2 SGE Register areas where the SGE Absolute + * Queue ID can be inferred from simple writes. + */ + bar2_qoffset = bar2_page_offset; + bar2_qinferred = (bar2_qid_offset < page_size); + if (bar2_qinferred) { + bar2_qoffset += bar2_qid_offset; + bar2_qid = 0; + } + + *pbar2_qoffset = bar2_qoffset; + *pbar2_qid = bar2_qid; + return 0; +} + +/** + * t4_init_sge_params - initialize adap->params.sge + * @adapter: the adapter + * + * Initialize various fields of the adapter's SGE Parameters structure. + */ +int t4_init_sge_params(struct adapter *adapter) +{ + struct sge_params *sge_params = &adapter->params.sge; + u32 hps, qpp; + unsigned int s_hps, s_qpp; + + /* + * Extract the SGE Page Size for our PF. + */ + hps = t4_read_reg(adapter, A_SGE_HOST_PAGE_SIZE); + s_hps = (S_HOSTPAGESIZEPF0 + (S_HOSTPAGESIZEPF1 - S_HOSTPAGESIZEPF0) * + adapter->pf); + sge_params->hps = ((hps >> s_hps) & M_HOSTPAGESIZEPF0); + + /* + * Extract the SGE Egress and Ingess Queues Per Page for our PF. + */ + s_qpp = (S_QUEUESPERPAGEPF0 + + (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf); + qpp = t4_read_reg(adapter, A_SGE_EGRESS_QUEUES_PER_PAGE_PF); + sge_params->eq_qpp = ((qpp >> s_qpp) & M_QUEUESPERPAGEPF0); + qpp = t4_read_reg(adapter, A_SGE_INGRESS_QUEUES_PER_PAGE_PF); + sge_params->iq_qpp = ((qpp >> s_qpp) & M_QUEUESPERPAGEPF0); + + return 0; +} + +/** + * t4_init_tp_params - initialize adap->params.tp + * @adap: the adapter + * + * Initialize various fields of the adapter's TP Parameters structure. + */ +int t4_init_tp_params(struct adapter *adap) +{ + int chan, ret; + u32 param, v; + + v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION); + adap->params.tp.tre = G_TIMERRESOLUTION(v); + adap->params.tp.dack_re = G_DELAYEDACKRESOLUTION(v); + + /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ + for (chan = 0; chan < NCHAN; chan++) + adap->params.tp.tx_modq[chan] = chan; + + /* + * Cache the adapter's Compressed Filter Mode/Mask and global Ingress + * Configuration. + */ + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FILTER) | + V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_MODE_MASK)); + + /* Read current value */ + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, + 1, ¶m, &v); + if (!ret) { + dev_info(adap, "Current filter mode/mask 0x%x:0x%x\n", + G_FW_PARAMS_PARAM_FILTER_MODE(v), + G_FW_PARAMS_PARAM_FILTER_MASK(v)); + adap->params.tp.vlan_pri_map = + G_FW_PARAMS_PARAM_FILTER_MODE(v); + adap->params.tp.filter_mask = + G_FW_PARAMS_PARAM_FILTER_MASK(v); + } else { + dev_info(adap, + "Failed to read filter mode/mask via fw api, using indirect-reg-read\n"); + + /* In case of older-fw (which doesn't expose the api + * FW_PARAM_DEV_FILTER_MODE_MASK) and newer-driver (which uses + * the fw api) combination, fall-back to older method of reading + * the filter mode from indirect-register + */ + t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, + &adap->params.tp.vlan_pri_map, 1, + A_TP_VLAN_PRI_MAP); + + /* With the older-fw and newer-driver combination we might run + * into an issue when user wants to use hash filter region but + * the filter_mask is zero, in this case filter_mask validation + * is tough. To avoid that we set the filter_mask same as filter + * mode, which will behave exactly as the older way of ignoring + * the filter mask validation. + */ + adap->params.tp.filter_mask = adap->params.tp.vlan_pri_map; + } + + t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, + &adap->params.tp.ingress_config, 1, + A_TP_INGRESS_CONFIG); + + /* For T6, cache the adapter's compressed error vector + * and passing outer header info for encapsulated packets. + */ + if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) { + v = t4_read_reg(adap, A_TP_OUT_CONFIG); + adap->params.tp.rx_pkt_encap = (v & F_CRXPKTENC) ? 1 : 0; + } + + /* + * Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field + * shift positions of several elements of the Compressed Filter Tuple + * for this adapter which we need frequently ... + */ + adap->params.tp.vlan_shift = t4_filter_field_shift(adap, F_VLAN); + adap->params.tp.vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID); + adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT); + adap->params.tp.protocol_shift = t4_filter_field_shift(adap, + F_PROTOCOL); + adap->params.tp.ethertype_shift = t4_filter_field_shift(adap, + F_ETHERTYPE); + adap->params.tp.macmatch_shift = t4_filter_field_shift(adap, + F_MACMATCH); + adap->params.tp.tos_shift = t4_filter_field_shift(adap, F_TOS); + + v = t4_read_reg(adap, LE_3_DB_HASH_MASK_GEN_IPV4_T6_A); + adap->params.tp.hash_filter_mask = v; + v = t4_read_reg(adap, LE_4_DB_HASH_MASK_GEN_IPV4_T6_A); + adap->params.tp.hash_filter_mask |= ((u64)v << 32); + + return 0; +} + +/** + * t4_filter_field_shift - calculate filter field shift + * @adap: the adapter + * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits) + * + * Return the shift position of a filter field within the Compressed + * Filter Tuple. The filter field is specified via its selection bit + * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN. + */ +int t4_filter_field_shift(const struct adapter *adap, unsigned int filter_sel) +{ + unsigned int filter_mode = adap->params.tp.vlan_pri_map; + unsigned int sel; + int field_shift; + + if ((filter_mode & filter_sel) == 0) + return -1; + + for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) { + switch (filter_mode & sel) { + case F_FCOE: + field_shift += W_FT_FCOE; + break; + case F_PORT: + field_shift += W_FT_PORT; + break; + case F_VNIC_ID: + field_shift += W_FT_VNIC_ID; + break; + case F_VLAN: + field_shift += W_FT_VLAN; + break; + case F_TOS: + field_shift += W_FT_TOS; + break; + case F_PROTOCOL: + field_shift += W_FT_PROTOCOL; + break; + case F_ETHERTYPE: + field_shift += W_FT_ETHERTYPE; + break; + case F_MACMATCH: + field_shift += W_FT_MACMATCH; + break; + case F_MPSHITTYPE: + field_shift += W_FT_MPSHITTYPE; + break; + case F_FRAGMENTATION: + field_shift += W_FT_FRAGMENTATION; + break; + } + } + return field_shift; +} + +int t4_init_rss_mode(struct adapter *adap, int mbox) +{ + int i, ret; + struct fw_rss_vi_config_cmd rvc; + + memset(&rvc, 0, sizeof(rvc)); + + for_each_port(adap, i) { + struct port_info *p = adap2pinfo(adap, i); + + rvc.op_to_viid = htonl(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ | + V_FW_RSS_VI_CONFIG_CMD_VIID(p->viid)); + rvc.retval_len16 = htonl(FW_LEN16(rvc)); + ret = t4_wr_mbox(adap, mbox, &rvc, sizeof(rvc), &rvc); + if (ret) + return ret; + p->rss_mode = ntohl(rvc.u.basicvirtual.defaultq_to_udpen); + } + return 0; +} + +int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) +{ + unsigned int fw_caps = adap->params.fw_caps_support; + fw_port_cap32_t pcaps, acaps; + enum fw_port_type port_type; + struct fw_port_cmd cmd; + u8 vivld = 0, vin = 0; + int ret, i, j = 0; + int mdio_addr; + u32 action; + u8 addr[6]; + + memset(&cmd, 0, sizeof(cmd)); + + for_each_port(adap, i) { + struct port_info *pi = adap2pinfo(adap, i); + unsigned int rss_size = 0; + + while ((adap->params.portvec & (1 << j)) == 0) + j++; + + /* If we haven't yet determined whether we're talking to + * Firmware which knows the new 32-bit Port Capabilities, it's + * time to find out now. This will also tell new Firmware to + * send us Port Status Updates using the new 32-bit Port + * Capabilities version of the Port Information message. + */ + if (fw_caps == FW_CAPS_UNKNOWN) { + u32 param, val, caps; + + caps = FW_PARAMS_PARAM_PFVF_PORT_CAPS32; + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | + V_FW_PARAMS_PARAM_X(caps)); + val = 1; + ret = t4_set_params(adap, mbox, pf, vf, 1, ¶m, + &val); + fw_caps = ret == 0 ? FW_CAPS32 : FW_CAPS16; + adap->params.fw_caps_support = fw_caps; + } + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ | + V_FW_PORT_CMD_PORTID(j)); + action = fw_caps == FW_CAPS16 ? FW_PORT_ACTION_GET_PORT_INFO : + FW_PORT_ACTION_GET_PORT_INFO32; + cmd.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(action) | + FW_LEN16(cmd)); + ret = t4_wr_mbox(pi->adapter, mbox, &cmd, sizeof(cmd), &cmd); + if (ret) + return ret; + + /* Extract the various fields from the Port Information message. + */ + if (fw_caps == FW_CAPS16) { + u32 lstatus = + be32_to_cpu(cmd.u.info.lstatus_to_modtype); + + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mdio_addr = (lstatus & F_FW_PORT_CMD_MDIOCAP) ? + (int)G_FW_PORT_CMD_MDIOADDR(lstatus) : -1; + pcaps = be16_to_cpu(cmd.u.info.pcap); + acaps = be16_to_cpu(cmd.u.info.acap); + pcaps = fwcaps16_to_caps32(pcaps); + acaps = fwcaps16_to_caps32(acaps); + } else { + u32 lstatus32 = + be32_to_cpu(cmd.u.info32.lstatus32_to_cbllen32); + + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mdio_addr = (lstatus32 & F_FW_PORT_CMD_MDIOCAP32) ? + (int)G_FW_PORT_CMD_MDIOADDR32(lstatus32) : + -1; + pcaps = be32_to_cpu(cmd.u.info32.pcaps32); + acaps = be32_to_cpu(cmd.u.info32.acaps32); + } + + ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size, + &vivld, &vin); + if (ret < 0) + return ret; + + pi->viid = ret; + pi->tx_chan = j; + pi->rss_size = rss_size; + t4_os_set_hw_addr(adap, i, addr); + + /* If fw supports returning the VIN as part of FW_VI_CMD, + * save the returned values. + */ + if (adap->params.viid_smt_extn_support) { + pi->vivld = vivld; + pi->vin = vin; + } else { + /* Retrieve the values from VIID */ + pi->vivld = G_FW_VIID_VIVLD(pi->viid); + pi->vin = G_FW_VIID_VIN(pi->viid); + } + + pi->port_type = port_type; + pi->mdio_addr = mdio_addr; + pi->mod_type = FW_PORT_MOD_TYPE_NA; + + init_link_config(&pi->link_cfg, pcaps, acaps); + j++; + } + return 0; +} + +/** + * t4_memory_rw_addr - read/write adapter memory via PCIE memory window + * @adap: the adapter + * @win: PCI-E Memory Window to use + * @addr: address within adapter memory + * @len: amount of memory to transfer + * @hbuf: host memory buffer + * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0) + * + * Reads/writes an [almost] arbitrary memory region in the firmware: the + * firmware memory address and host buffer must be aligned on 32-bit + * boudaries; the length may be arbitrary. + * + * NOTES: + * 1. The memory is transferred as a raw byte sequence from/to the + * firmware's memory. If this memory contains data structures which + * contain multi-byte integers, it's the caller's responsibility to + * perform appropriate byte order conversions. + * + * 2. It is the Caller's responsibility to ensure that no other code + * uses the specified PCI-E Memory Window while this routine is + * using it. This is typically done via the use of OS-specific + * locks, etc. + */ +int t4_memory_rw_addr(struct adapter *adap, int win, u32 addr, + u32 len, void *hbuf, int dir) +{ + u32 pos, offset, resid; + u32 win_pf, mem_reg, mem_aperture, mem_base; + u32 *buf; + + /* Argument sanity checks ...*/ + if (addr & 0x3 || (uintptr_t)hbuf & 0x3) + return -EINVAL; + buf = (u32 *)hbuf; + + /* It's convenient to be able to handle lengths which aren't a + * multiple of 32-bits because we often end up transferring files to + * the firmware. So we'll handle that by normalizing the length here + * and then handling any residual transfer at the end. + */ + resid = len & 0x3; + len -= resid; + + /* Each PCI-E Memory Window is programmed with a window size -- or + * "aperture" -- which controls the granularity of its mapping onto + * adapter memory. We need to grab that aperture in order to know + * how to use the specified window. The window is also programmed + * with the base address of the Memory Window in BAR0's address + * space. For T4 this is an absolute PCI-E Bus Address. For T5 + * the address is relative to BAR0. + */ + mem_reg = t4_read_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, + win)); + mem_aperture = 1 << (G_WINDOW(mem_reg) + X_WINDOW_SHIFT); + mem_base = G_PCIEOFST(mem_reg) << X_PCIEOFST_SHIFT; + + win_pf = is_t4(adap->params.chip) ? 0 : V_PFNUM(adap->pf); + + /* Calculate our initial PCI-E Memory Window Position and Offset into + * that Window. + */ + pos = addr & ~(mem_aperture - 1); + offset = addr - pos; + + /* Set up initial PCI-E Memory Window to cover the start of our + * transfer. (Read it back to ensure that changes propagate before we + * attempt to use the new value.) + */ + t4_write_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, win), + pos | win_pf); + t4_read_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, win)); + + /* Transfer data to/from the adapter as long as there's an integral + * number of 32-bit transfers to complete. + * + * A note on Endianness issues: + * + * The "register" reads and writes below from/to the PCI-E Memory + * Window invoke the standard adapter Big-Endian to PCI-E Link + * Little-Endian "swizzel." As a result, if we have the following + * data in adapter memory: + * + * Memory: ... | b0 | b1 | b2 | b3 | ... + * Address: i+0 i+1 i+2 i+3 + * + * Then a read of the adapter memory via the PCI-E Memory Window + * will yield: + * + * x = readl(i) + * 31 0 + * [ b3 | b2 | b1 | b0 ] + * + * If this value is stored into local memory on a Little-Endian system + * it will show up correctly in local memory as: + * + * ( ..., b0, b1, b2, b3, ... ) + * + * But on a Big-Endian system, the store will show up in memory + * incorrectly swizzled as: + * + * ( ..., b3, b2, b1, b0, ... ) + * + * So we need to account for this in the reads and writes to the + * PCI-E Memory Window below by undoing the register read/write + * swizzels. + */ + while (len > 0) { + if (dir == T4_MEMORY_READ) + *buf++ = le32_to_cpu((__le32)t4_read_reg(adap, + mem_base + + offset)); + else + t4_write_reg(adap, mem_base + offset, + (u32)cpu_to_le32(*buf++)); + offset += sizeof(__be32); + len -= sizeof(__be32); + + /* If we've reached the end of our current window aperture, + * move the PCI-E Memory Window on to the next. Note that + * doing this here after "len" may be 0 allows us to set up + * the PCI-E Memory Window for a possible final residual + * transfer below ... + */ + if (offset == mem_aperture) { + pos += mem_aperture; + offset = 0; + t4_write_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, + win), pos | win_pf); + t4_read_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, + win)); + } + } + + /* If the original transfer had a length which wasn't a multiple of + * 32-bits, now's where we need to finish off the transfer of the + * residual amount. The PCI-E Memory Window has already been moved + * above (if necessary) to cover this final transfer. + */ + if (resid) { + union { + u32 word; + char byte[4]; + } last; + unsigned char *bp; + int i; + + if (dir == T4_MEMORY_READ) { + last.word = le32_to_cpu((__le32)t4_read_reg(adap, + mem_base + + offset)); + for (bp = (unsigned char *)buf, i = resid; i < 4; i++) + bp[i] = last.byte[i]; + } else { + last.word = *buf; + for (i = resid; i < 4; i++) + last.byte[i] = 0; + t4_write_reg(adap, mem_base + offset, + (u32)cpu_to_le32(last.word)); + } + } + + return 0; +} + +/** + * t4_memory_rw_mtype -read/write EDC 0, EDC 1 or MC via PCIE memory window + * @adap: the adapter + * @win: PCI-E Memory Window to use + * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC + * @maddr: address within indicated memory type + * @len: amount of memory to transfer + * @hbuf: host memory buffer + * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0) + * + * Reads/writes adapter memory using t4_memory_rw_addr(). This routine + * provides an (memory type, address within memory type) interface. + */ +int t4_memory_rw_mtype(struct adapter *adap, int win, int mtype, u32 maddr, + u32 len, void *hbuf, int dir) +{ + u32 mtype_offset; + u32 edc_size, mc_size; + + /* Offset into the region of memory which is being accessed + * MEM_EDC0 = 0 + * MEM_EDC1 = 1 + * MEM_MC = 2 -- MEM_MC for chips with only 1 memory controller + * MEM_MC1 = 3 -- for chips with 2 memory controllers (e.g. T5) + */ + edc_size = G_EDRAM0_SIZE(t4_read_reg(adap, A_MA_EDRAM0_BAR)); + if (mtype != MEM_MC1) { + mtype_offset = (mtype * (edc_size * 1024 * 1024)); + } else { + mc_size = G_EXT_MEM0_SIZE(t4_read_reg(adap, + A_MA_EXT_MEMORY0_BAR)); + mtype_offset = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024; + } + + return t4_memory_rw_addr(adap, win, + mtype_offset + maddr, len, + hbuf, dir); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.h new file mode 100644 index 000000000..e77563dfa --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_hw.h @@ -0,0 +1,144 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __T4_HW_H +#define __T4_HW_H + +enum { + NCHAN = 4, /* # of HW channels */ + EEPROMSIZE = 17408, /* Serial EEPROM physical size */ + EEPROMVSIZE = 32768, /* Serial EEPROM virtual address space size */ + EEPROMPFSIZE = 1024, /* EEPROM writable area size for PFn, n>0 */ + NMTUS = 16, /* size of MTU table */ + NCCTRL_WIN = 32, /* # of congestion control windows */ + MBOX_LEN = 64, /* mailbox size in bytes */ + UDBS_SEG_SIZE = 128, /* segment size for BAR2 user doorbells */ +}; + +enum { + CIMLA_SIZE = 2048, /* # of 32-bit words in CIM LA */ +}; + +enum { + SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */ +}; + +enum { + SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */ + SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */ +}; + +/* PCI-e memory window access */ +enum pcie_memwin { + MEMWIN_NIC = 0, +}; + +enum { + SGE_MAX_WR_LEN = 512, /* max WR size in bytes */ + SGE_EQ_IDXSIZE = 64, /* egress queue pidx/cidx unit size */ + /* max no. of desc allowed in WR */ + SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / SGE_EQ_IDXSIZE, +}; + +enum { + TCB_SIZE = 128, /* TCB size */ +}; + +struct sge_qstat { /* data written to SGE queue status entries */ + __be32 qid; + __be16 cidx; + __be16 pidx; +}; + +/* + * Structure for last 128 bits of response descriptors + */ +struct rsp_ctrl { + __be32 hdrbuflen_pidx; + __be32 pldbuflen_qid; + union { + u8 type_gen; + __be64 last_flit; + } u; +}; + +#define S_RSPD_NEWBUF 31 +#define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF) +#define F_RSPD_NEWBUF V_RSPD_NEWBUF(1U) + +#define S_RSPD_LEN 0 +#define M_RSPD_LEN 0x7fffffff +#define V_RSPD_LEN(x) ((x) << S_RSPD_LEN) +#define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN) + +#define S_RSPD_GEN 7 +#define V_RSPD_GEN(x) ((x) << S_RSPD_GEN) +#define F_RSPD_GEN V_RSPD_GEN(1U) + +#define S_RSPD_TYPE 4 +#define M_RSPD_TYPE 0x3 +#define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE) +#define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE) + +/* Rx queue interrupt deferral field: timer index */ +#define S_QINTR_CNT_EN 0 +#define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN) +#define F_QINTR_CNT_EN V_QINTR_CNT_EN(1U) + +#define S_QINTR_TIMER_IDX 1 +#define M_QINTR_TIMER_IDX 0x7 +#define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX) +#define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX) + +/* + * Flash layout. + */ +#define FLASH_START(start) ((start) * SF_SEC_SIZE) +#define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE) + +enum { + /* + * Various Expansion-ROM boot images, etc. + */ + FLASH_EXP_ROM_START_SEC = 0, + FLASH_EXP_ROM_NSECS = 6, + FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC), + FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS), + + /* + * Location of firmware image in FLASH. + */ + FLASH_FW_START_SEC = 8, + FLASH_FW_NSECS = 16, + FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC), + FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS), + + /* + * Location of bootstrap firmware image in FLASH. + */ + FLASH_FWBOOTSTRAP_START_SEC = 27, + FLASH_FWBOOTSTRAP_NSECS = 1, + FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC), + FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS), + + /* + * Location of Firmware Configuration File in FLASH. + */ + FLASH_CFG_START_SEC = 31, + FLASH_CFG_NSECS = 1, + FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC), + FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS), + + /* + * We don't support FLASH devices which can't support the full + * standard set of sections which we need for normal operations. + */ + FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE, +}; + +#undef FLASH_START +#undef FLASH_MAX_SIZE + +#endif /* __T4_HW_H */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_msg.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_msg.h new file mode 100644 index 000000000..a6ddaa7b0 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_msg.h @@ -0,0 +1,625 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef T4_MSG_H +#define T4_MSG_H + +enum { + CPL_ACT_OPEN_REQ = 0x3, + CPL_SET_TCB_FIELD = 0x5, + CPL_ABORT_REQ = 0xA, + CPL_ABORT_RPL = 0xB, + CPL_L2T_WRITE_REQ = 0x12, + CPL_SMT_WRITE_REQ = 0x14, + CPL_TID_RELEASE = 0x1A, + CPL_L2T_WRITE_RPL = 0x23, + CPL_ACT_OPEN_RPL = 0x25, + CPL_ABORT_RPL_RSS = 0x2D, + CPL_SMT_WRITE_RPL = 0x2E, + CPL_SET_TCB_RPL = 0x3A, + CPL_ACT_OPEN_REQ6 = 0x83, + CPL_SGE_EGR_UPDATE = 0xA5, + CPL_FW4_MSG = 0xC0, + CPL_FW6_MSG = 0xE0, + CPL_TX_PKT_LSO = 0xED, + CPL_TX_PKT_XT = 0xEE, +}; + +enum CPL_error { + CPL_ERR_NONE = 0, + CPL_ERR_TCAM_FULL = 3, +}; + +enum { + ULP_MODE_NONE = 0, + ULP_MODE_TCPDDP = 5, +}; + +enum { + CPL_ABORT_SEND_RST = 0, + CPL_ABORT_NO_RST, +}; + +enum { /* TX_PKT_XT checksum types */ + TX_CSUM_TCPIP = 8, + TX_CSUM_UDPIP = 9, + TX_CSUM_TCPIP6 = 10, +}; + +union opcode_tid { + __be32 opcode_tid; + __u8 opcode; +}; + +#define S_CPL_OPCODE 24 +#define V_CPL_OPCODE(x) ((x) << S_CPL_OPCODE) + +#define G_TID(x) ((x) & 0xFFFFFF) + +/* tid is assumed to be 24-bits */ +#define MK_OPCODE_TID(opcode, tid) (V_CPL_OPCODE(opcode) | (tid)) + +#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid) + +/* extract the TID from a CPL command */ +#define GET_TID(cmd) (G_TID(be32_to_cpu(OPCODE_TID(cmd)))) + +/* partitioning of TID fields that also carry a queue id */ +#define S_TID_TID 0 +#define M_TID_TID 0x3fff +#define G_TID_TID(x) (((x) >> S_TID_TID) & M_TID_TID) + +#define S_TID_QID 14 +#define V_TID_QID(x) ((x) << S_TID_QID) + +struct rss_header { + __u8 opcode; +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + __u8 channel:2; + __u8 filter_hit:1; + __u8 filter_tid:1; + __u8 hash_type:2; + __u8 ipv6:1; + __u8 send2fw:1; +#else + __u8 send2fw:1; + __u8 ipv6:1; + __u8 hash_type:2; + __u8 filter_tid:1; + __u8 filter_hit:1; + __u8 channel:2; +#endif + __be16 qid; + __be32 hash_val; +}; + +#if defined(RSS_HDR_VLD) || defined(CHELSIO_FW) +#define RSS_HDR struct rss_header rss_hdr +#else +#define RSS_HDR +#endif + +#ifndef CHELSIO_FW +struct work_request_hdr { + __be32 wr_hi; + __be32 wr_mid; + __be64 wr_lo; +}; + +#define WR_HDR struct work_request_hdr wr +#define WR_HDR_SIZE sizeof(struct work_request_hdr) +#else +#define WR_HDR +#define WR_HDR_SIZE 0 +#endif + +#define S_COOKIE 5 +#define M_COOKIE 0x7 +#define V_COOKIE(x) ((x) << S_COOKIE) +#define G_COOKIE(x) (((x) >> S_COOKIE) & M_COOKIE) + +/* option 0 fields */ +#define S_TX_CHAN 2 +#define V_TX_CHAN(x) ((x) << S_TX_CHAN) + +#define S_DELACK 5 +#define V_DELACK(x) ((x) << S_DELACK) + +#define S_NON_OFFLOAD 7 +#define V_NON_OFFLOAD(x) ((x) << S_NON_OFFLOAD) +#define F_NON_OFFLOAD V_NON_OFFLOAD(1U) + +#define S_ULP_MODE 8 +#define V_ULP_MODE(x) ((x) << S_ULP_MODE) + +#define S_SMAC_SEL 28 +#define V_SMAC_SEL(x) ((__u64)(x) << S_SMAC_SEL) + +#define S_TCAM_BYPASS 48 +#define V_TCAM_BYPASS(x) ((__u64)(x) << S_TCAM_BYPASS) +#define F_TCAM_BYPASS V_TCAM_BYPASS(1ULL) + +#define S_L2T_IDX 36 +#define V_L2T_IDX(x) ((__u64)(x) << S_L2T_IDX) + +#define S_NAGLE 49 +#define V_NAGLE(x) ((__u64)(x) << S_NAGLE) + +/* option 2 fields */ +#define S_RSS_QUEUE 0 +#define V_RSS_QUEUE(x) ((x) << S_RSS_QUEUE) + +#define S_RSS_QUEUE_VALID 10 +#define V_RSS_QUEUE_VALID(x) ((x) << S_RSS_QUEUE_VALID) +#define F_RSS_QUEUE_VALID V_RSS_QUEUE_VALID(1U) + +#define S_CONG_CNTRL 14 +#define V_CONG_CNTRL(x) ((x) << S_CONG_CNTRL) + +#define S_RX_CHANNEL 26 +#define V_RX_CHANNEL(x) ((x) << S_RX_CHANNEL) +#define F_RX_CHANNEL V_RX_CHANNEL(1U) + +#define S_CCTRL_ECN 27 +#define V_CCTRL_ECN(x) ((x) << S_CCTRL_ECN) + +#define S_SACK_EN 30 +#define V_SACK_EN(x) ((x) << S_SACK_EN) + +#define S_T5_OPT_2_VALID 31 +#define V_T5_OPT_2_VALID(x) ((x) << S_T5_OPT_2_VALID) +#define F_T5_OPT_2_VALID V_T5_OPT_2_VALID(1U) + +struct cpl_t6_act_open_req { + WR_HDR; + union opcode_tid ot; + __be16 local_port; + __be16 peer_port; + __be32 local_ip; + __be32 peer_ip; + __be64 opt0; + __be32 rsvd; + __be32 opt2; + __be64 params; + __be32 rsvd2; + __be32 opt3; +}; + +struct cpl_t6_act_open_req6 { + WR_HDR; + union opcode_tid ot; + __be16 local_port; + __be16 peer_port; + __be64 local_ip_hi; + __be64 local_ip_lo; + __be64 peer_ip_hi; + __be64 peer_ip_lo; + __be64 opt0; + __be32 rsvd; + __be32 opt2; + __be64 params; + __be32 rsvd2; + __be32 opt3; +}; + +#define S_FILTER_TUPLE 24 +#define V_FILTER_TUPLE(x) ((x) << S_FILTER_TUPLE) + +struct cpl_act_open_rpl { + RSS_HDR + union opcode_tid ot; + __be32 atid_status; +}; + +/* cpl_act_open_rpl.atid_status fields */ +#define S_AOPEN_STATUS 0 +#define M_AOPEN_STATUS 0xFF +#define G_AOPEN_STATUS(x) (((x) >> S_AOPEN_STATUS) & M_AOPEN_STATUS) + +#define S_AOPEN_ATID 8 +#define M_AOPEN_ATID 0xFFFFFF +#define G_AOPEN_ATID(x) (((x) >> S_AOPEN_ATID) & M_AOPEN_ATID) + +struct cpl_set_tcb_field { + WR_HDR; + union opcode_tid ot; + __be16 reply_ctrl; + __be16 word_cookie; + __be64 mask; + __be64 val; +}; + +/* cpl_set_tcb_field.word_cookie fields */ +#define S_WORD 0 +#define V_WORD(x) ((x) << S_WORD) + +/* cpl_get_tcb.reply_ctrl fields */ +#define S_QUEUENO 0 +#define V_QUEUENO(x) ((x) << S_QUEUENO) + +#define S_REPLY_CHAN 14 +#define V_REPLY_CHAN(x) ((x) << S_REPLY_CHAN) + +#define S_NO_REPLY 15 +#define V_NO_REPLY(x) ((x) << S_NO_REPLY) + +struct cpl_set_tcb_rpl { + RSS_HDR + union opcode_tid ot; + __be16 rsvd; + __u8 cookie; + __u8 status; + __be64 oldval; +}; + +/* cpl_abort_req status command code + */ +struct cpl_abort_req { + WR_HDR; + union opcode_tid ot; + __be32 rsvd0; + __u8 rsvd1; + __u8 cmd; + __u8 rsvd2[6]; +}; + +struct cpl_abort_rpl_rss { + RSS_HDR + union opcode_tid ot; + __u8 rsvd[3]; + __u8 status; +}; + +struct cpl_abort_rpl { + WR_HDR; + union opcode_tid ot; + __be32 rsvd0; + __u8 rsvd1; + __u8 cmd; + __u8 rsvd2[6]; +}; + +struct cpl_tid_release { + WR_HDR; + union opcode_tid ot; + __be32 rsvd; +}; + +struct cpl_tx_data { + union opcode_tid ot; + __be32 len; + __be32 rsvd; + __be32 flags; +}; + +struct cpl_tx_pkt_core { + __be32 ctrl0; + __be16 pack; + __be16 len; + __be64 ctrl1; +}; + +struct cpl_tx_pkt { + WR_HDR; + struct cpl_tx_pkt_core c; +}; + +/* cpl_tx_pkt_core.ctrl0 fields */ +#define S_TXPKT_PF 8 +#define M_TXPKT_PF 0x7 +#define V_TXPKT_PF(x) ((x) << S_TXPKT_PF) +#define G_TXPKT_PF(x) (((x) >> S_TXPKT_PF) & M_TXPKT_PF) + +#define S_TXPKT_INTF 16 +#define M_TXPKT_INTF 0xF +#define V_TXPKT_INTF(x) ((x) << S_TXPKT_INTF) +#define G_TXPKT_INTF(x) (((x) >> S_TXPKT_INTF) & M_TXPKT_INTF) + +#define S_TXPKT_OPCODE 24 +#define M_TXPKT_OPCODE 0xFF +#define V_TXPKT_OPCODE(x) ((x) << S_TXPKT_OPCODE) +#define G_TXPKT_OPCODE(x) (((x) >> S_TXPKT_OPCODE) & M_TXPKT_OPCODE) + +/* cpl_tx_pkt_core.ctrl1 fields */ +#define S_TXPKT_IPHDR_LEN 20 +#define M_TXPKT_IPHDR_LEN 0x3FFF +#define V_TXPKT_IPHDR_LEN(x) ((__u64)(x) << S_TXPKT_IPHDR_LEN) +#define G_TXPKT_IPHDR_LEN(x) (((x) >> S_TXPKT_IPHDR_LEN) & M_TXPKT_IPHDR_LEN) + +#define S_TXPKT_ETHHDR_LEN 34 +#define M_TXPKT_ETHHDR_LEN 0x3F +#define V_TXPKT_ETHHDR_LEN(x) ((__u64)(x) << S_TXPKT_ETHHDR_LEN) +#define G_TXPKT_ETHHDR_LEN(x) (((x) >> S_TXPKT_ETHHDR_LEN) & M_TXPKT_ETHHDR_LEN) + +#define S_T6_TXPKT_ETHHDR_LEN 32 +#define M_T6_TXPKT_ETHHDR_LEN 0xFF +#define V_T6_TXPKT_ETHHDR_LEN(x) ((__u64)(x) << S_T6_TXPKT_ETHHDR_LEN) +#define G_T6_TXPKT_ETHHDR_LEN(x) \ + (((x) >> S_T6_TXPKT_ETHHDR_LEN) & M_T6_TXPKT_ETHHDR_LEN) + +#define S_TXPKT_CSUM_TYPE 40 +#define M_TXPKT_CSUM_TYPE 0xF +#define V_TXPKT_CSUM_TYPE(x) ((__u64)(x) << S_TXPKT_CSUM_TYPE) +#define G_TXPKT_CSUM_TYPE(x) (((x) >> S_TXPKT_CSUM_TYPE) & M_TXPKT_CSUM_TYPE) + +#define S_TXPKT_VLAN 44 +#define M_TXPKT_VLAN 0xFFFF +#define V_TXPKT_VLAN(x) ((__u64)(x) << S_TXPKT_VLAN) +#define G_TXPKT_VLAN(x) (((x) >> S_TXPKT_VLAN) & M_TXPKT_VLAN) + +#define S_TXPKT_VLAN_VLD 60 +#define V_TXPKT_VLAN_VLD(x) ((__u64)(x) << S_TXPKT_VLAN_VLD) +#define F_TXPKT_VLAN_VLD V_TXPKT_VLAN_VLD(1ULL) + +#define S_TXPKT_IPCSUM_DIS 62 +#define V_TXPKT_IPCSUM_DIS(x) ((__u64)(x) << S_TXPKT_IPCSUM_DIS) +#define F_TXPKT_IPCSUM_DIS V_TXPKT_IPCSUM_DIS(1ULL) + +#define S_TXPKT_L4CSUM_DIS 63 +#define V_TXPKT_L4CSUM_DIS(x) ((__u64)(x) << S_TXPKT_L4CSUM_DIS) +#define F_TXPKT_L4CSUM_DIS V_TXPKT_L4CSUM_DIS(1ULL) + +struct cpl_tx_pkt_lso_core { + __be32 lso_ctrl; + __be16 ipid_ofst; + __be16 mss; + __be32 seqno_offset; + __be32 len; + /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */ +}; + +struct cpl_tx_pkt_lso { + WR_HDR; + struct cpl_tx_pkt_lso_core c; + /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */ +}; + +/* cpl_tx_pkt_lso_core.lso_ctrl fields */ +#define S_LSO_TCPHDR_LEN 0 +#define M_LSO_TCPHDR_LEN 0xF +#define V_LSO_TCPHDR_LEN(x) ((x) << S_LSO_TCPHDR_LEN) +#define G_LSO_TCPHDR_LEN(x) (((x) >> S_LSO_TCPHDR_LEN) & M_LSO_TCPHDR_LEN) + +#define S_LSO_IPHDR_LEN 4 +#define M_LSO_IPHDR_LEN 0xFFF +#define V_LSO_IPHDR_LEN(x) ((x) << S_LSO_IPHDR_LEN) +#define G_LSO_IPHDR_LEN(x) (((x) >> S_LSO_IPHDR_LEN) & M_LSO_IPHDR_LEN) + +#define S_LSO_ETHHDR_LEN 16 +#define M_LSO_ETHHDR_LEN 0xF +#define V_LSO_ETHHDR_LEN(x) ((x) << S_LSO_ETHHDR_LEN) +#define G_LSO_ETHHDR_LEN(x) (((x) >> S_LSO_ETHHDR_LEN) & M_LSO_ETHHDR_LEN) + +#define S_LSO_IPV6 20 +#define V_LSO_IPV6(x) ((x) << S_LSO_IPV6) +#define F_LSO_IPV6 V_LSO_IPV6(1U) + +#define S_LSO_LAST_SLICE 22 +#define V_LSO_LAST_SLICE(x) ((x) << S_LSO_LAST_SLICE) +#define F_LSO_LAST_SLICE V_LSO_LAST_SLICE(1U) + +#define S_LSO_FIRST_SLICE 23 +#define V_LSO_FIRST_SLICE(x) ((x) << S_LSO_FIRST_SLICE) +#define F_LSO_FIRST_SLICE V_LSO_FIRST_SLICE(1U) + +#define S_LSO_OPCODE 24 +#define M_LSO_OPCODE 0xFF +#define V_LSO_OPCODE(x) ((x) << S_LSO_OPCODE) +#define G_LSO_OPCODE(x) (((x) >> S_LSO_OPCODE) & M_LSO_OPCODE) + +#define S_LSO_T5_XFER_SIZE 0 +#define M_LSO_T5_XFER_SIZE 0xFFFFFFF +#define V_LSO_T5_XFER_SIZE(x) ((x) << S_LSO_T5_XFER_SIZE) +#define G_LSO_T5_XFER_SIZE(x) (((x) >> S_LSO_T5_XFER_SIZE) & M_LSO_T5_XFER_SIZE) + +struct cpl_rx_pkt { + RSS_HDR; + __u8 opcode; +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + __u8 iff:4; + __u8 csum_calc:1; + __u8 ipmi_pkt:1; + __u8 vlan_ex:1; + __u8 ip_frag:1; +#else + __u8 ip_frag:1; + __u8 vlan_ex:1; + __u8 ipmi_pkt:1; + __u8 csum_calc:1; + __u8 iff:4; +#endif + __be16 csum; + __be16 vlan; + __be16 len; + __be32 l2info; + __be16 hdr_len; + __be16 err_vec; +}; + +struct cpl_l2t_write_req { + WR_HDR; + union opcode_tid ot; + __be16 params; + __be16 l2t_idx; + __be16 vlan; + __u8 dst_mac[6]; +}; + +/* cpl_l2t_write_req.params fields */ +#define S_L2T_W_PORT 8 +#define V_L2T_W_PORT(x) ((x) << S_L2T_W_PORT) + +#define S_L2T_W_LPBK 10 +#define V_L2T_W_LPBK(x) ((x) << S_L2T_W_LPBK) + +#define S_L2T_W_ARPMISS 11 +#define V_L2T_W_ARPMISS(x) ((x) << S_L2T_W_ARPMISS) + +#define S_L2T_W_NOREPLY 15 +#define V_L2T_W_NOREPLY(x) ((x) << S_L2T_W_NOREPLY) + +struct cpl_l2t_write_rpl { + RSS_HDR + union opcode_tid ot; + __u8 status; + __u8 rsvd[3]; +}; + +struct cpl_smt_write_req { + WR_HDR; + union opcode_tid ot; + __be32 params; + __be16 pfvf1; + __u8 src_mac1[6]; + __be16 pfvf0; + __u8 src_mac0[6]; +}; + +struct cpl_t6_smt_write_req { + WR_HDR; + union opcode_tid ot; + __be32 params; + __be64 tag; + __be16 pfvf0; + __u8 src_mac0[6]; + __be32 local_ip; + __be32 rsvd; +}; + +struct cpl_smt_write_rpl { + RSS_HDR + union opcode_tid ot; + u8 status; + u8 rsvd[3]; +}; + +/* cpl_smt_{read,write}_req.params fields */ +#define S_SMTW_OVLAN_IDX 16 +#define V_SMTW_OVLAN_IDX(x) ((x) << S_SMTW_OVLAN_IDX) + +#define S_SMTW_IDX 20 +#define V_SMTW_IDX(x) ((x) << S_SMTW_IDX) + +#define S_SMTW_NORPL 31 +#define V_SMTW_NORPL(x) ((x) << S_SMTW_NORPL) + +/* rx_pkt.l2info fields */ +#define S_RXF_UDP 22 +#define V_RXF_UDP(x) ((x) << S_RXF_UDP) +#define F_RXF_UDP V_RXF_UDP(1U) + +#define S_RXF_TCP 23 +#define V_RXF_TCP(x) ((x) << S_RXF_TCP) +#define F_RXF_TCP V_RXF_TCP(1U) + +#define S_RXF_IP 24 +#define V_RXF_IP(x) ((x) << S_RXF_IP) +#define F_RXF_IP V_RXF_IP(1U) + +#define S_RXF_IP6 25 +#define V_RXF_IP6(x) ((x) << S_RXF_IP6) +#define F_RXF_IP6 V_RXF_IP6(1U) + +/* rx_pkt.err_vec fields */ +/* In T6, rx_pkt.err_vec indicates + * RxError Error vector (16b) or + * Encapsulating header length (8b), + * Outer encapsulation type (2b) and + * compressed error vector (6b) if CRxPktEnc is + * enabled in TP_OUT_CONFIG + */ +#define S_T6_COMPR_RXERR_VEC 0 +#define M_T6_COMPR_RXERR_VEC 0x3F +#define V_T6_COMPR_RXERR_VEC(x) ((x) << S_T6_COMPR_RXERR_VEC) +#define G_T6_COMPR_RXERR_VEC(x) \ + (((x) >> S_T6_COMPR_RXERR_VEC) & M_T6_COMPR_RXERR_VEC) + +/* cpl_fw*.type values */ +enum { + FW_TYPE_RSSCPL = 4, +}; + +struct cpl_fw4_msg { + RSS_HDR; + u8 opcode; + u8 type; + __be16 rsvd0; + __be32 rsvd1; + __be64 data[2]; +}; + +struct cpl_fw6_msg { + RSS_HDR; + u8 opcode; + u8 type; + __be16 rsvd0; + __be32 rsvd1; + __be64 data[4]; +}; + +/* ULP_TX opcodes */ +enum { + ULP_TX_PKT = 4 +}; + +enum { + ULP_TX_SC_NOOP = 0x80, + ULP_TX_SC_IMM = 0x81, + ULP_TX_SC_DSGL = 0x82, + ULP_TX_SC_ISGL = 0x83 +}; + +#define S_ULPTX_CMD 24 +#define M_ULPTX_CMD 0xFF +#define V_ULPTX_CMD(x) ((x) << S_ULPTX_CMD) + +#define S_ULP_TX_SC_MORE 23 +#define V_ULP_TX_SC_MORE(x) ((x) << S_ULP_TX_SC_MORE) +#define F_ULP_TX_SC_MORE V_ULP_TX_SC_MORE(1U) + +struct ulptx_sge_pair { + __be32 len[2]; + __be64 addr[2]; +}; + +struct ulptx_sgl { + __be32 cmd_nsge; + __be32 len0; + __be64 addr0; + +#if !(defined C99_NOT_SUPPORTED) + struct ulptx_sge_pair sge[0]; +#endif + +}; + +struct ulptx_idata { + __be32 cmd_more; + __be32 len; +}; + +#define S_ULPTX_NSGE 0 +#define M_ULPTX_NSGE 0xFFFF +#define V_ULPTX_NSGE(x) ((x) << S_ULPTX_NSGE) + +struct ulp_txpkt { + __be32 cmd_dest; + __be32 len; +}; + +/* ulp_txpkt.cmd_dest fields */ +#define S_ULP_TXPKT_DEST 16 +#define M_ULP_TXPKT_DEST 0x3 +#define V_ULP_TXPKT_DEST(x) ((x) << S_ULP_TXPKT_DEST) + +#define S_ULP_TXPKT_FID 4 +#define M_ULP_TXPKT_FID 0x7ff +#define V_ULP_TXPKT_FID(x) ((x) << S_ULP_TXPKT_FID) + +#define S_ULP_TXPKT_RO 3 +#define V_ULP_TXPKT_RO(x) ((x) << S_ULP_TXPKT_RO) +#define F_ULP_TXPKT_RO V_ULP_TXPKT_RO(1U) + +#endif /* T4_MSG_H */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_pci_id_tbl.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_pci_id_tbl.h new file mode 100644 index 000000000..f5f027a2e --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_pci_id_tbl.h @@ -0,0 +1,186 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2019 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __T4_PCI_ID_TBL_H__ +#define __T4_PCI_ID_TBL_H__ + +/* + * The Os-Dependent code can defined cpp macros for creating a PCI Device ID + * Table. This is useful because it allows the PCI ID Table to be maintained + * in a single place and all supporting OSes to get new PCI Device IDs + * automatically. + * + * The macros are: + * + * CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN + * -- Used to start the definition of the PCI ID Table. + * + * CH_PCI_DEVICE_ID_FUNCTION + * -- The PCI Function Number to use in the PCI Device ID Table. "0" + * -- for drivers attaching to PF0-3, "4" for drivers attaching to PF4, + * -- "8" for drivers attaching to SR-IOV Virtual Functions, etc. + * + * CH_PCI_DEVICE_ID_FUNCTION2 [optional] + * -- If defined, create a PCI Device ID Table with both + * -- CH_PCI_DEVICE_ID_FUNCTION and CH_PCI_DEVICE_ID_FUNCTION2 populated. + * + * CH_PCI_ID_TABLE_ENTRY(DeviceID) + * -- Used for the individual PCI Device ID entries. Note that we will + * -- be adding a trailing comma (",") after all of the entries (and + * -- between the pairs of entries if CH_PCI_DEVICE_ID_FUNCTION2 is defined). + * + * CH_PCI_DEVICE_ID_TABLE_DEFINE_END + * -- Used to finish the definition of the PCI ID Table. Note that we + * -- will be adding a trailing semi-colon (";") here. + * + * CH_PCI_DEVICE_ID_BYPASS_SUPPORTED [optional] + * -- If defined, indicates that the OS Driver has support for Bypass + * -- Adapters. + */ +#ifdef CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN + +/* + * Some sanity checks ... + */ +#ifndef CH_PCI_DEVICE_ID_FUNCTION +#error CH_PCI_DEVICE_ID_FUNCTION not defined! +#endif +#ifndef CH_PCI_ID_TABLE_ENTRY +#error CH_PCI_ID_TABLE_ENTRY not defined! +#endif +#ifndef CH_PCI_DEVICE_ID_TABLE_DEFINE_END +#error CH_PCI_DEVICE_ID_TABLE_DEFINE_END not defined! +#endif + +/* + * T4 and later ASICs use a PCI Device ID scheme of 0xVFPP where: + * + * V = "4" for T4; "5" for T5, etc. + * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs + * PP = adapter product designation + * + * We use this consistency in order to create the proper PCI Device IDs + * for the specified CH_PCI_DEVICE_ID_FUNCTION. + */ +#ifndef CH_PCI_DEVICE_ID_FUNCTION2 +#define CH_PCI_ID_TABLE_FENTRY(devid) \ + CH_PCI_ID_TABLE_ENTRY((devid) | \ + ((CH_PCI_DEVICE_ID_FUNCTION) << 8)) +#else +#define CH_PCI_ID_TABLE_FENTRY(devid) \ + CH_PCI_ID_TABLE_ENTRY((devid) | \ + ((CH_PCI_DEVICE_ID_FUNCTION) << 8)), \ + CH_PCI_ID_TABLE_ENTRY((devid) | \ + ((CH_PCI_DEVICE_ID_FUNCTION2) << 8)) +#endif + +CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN + /* + * T5 adapters: + */ + CH_PCI_ID_TABLE_FENTRY(0x5000), /* T580-dbg */ + CH_PCI_ID_TABLE_FENTRY(0x5001), /* T520-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5002), /* T522-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5003), /* T540-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5004), /* T520-bch */ + CH_PCI_ID_TABLE_FENTRY(0x5005), /* T540-bch */ + CH_PCI_ID_TABLE_FENTRY(0x5006), /* T540-ch */ + CH_PCI_ID_TABLE_FENTRY(0x5007), /* T520-so */ + CH_PCI_ID_TABLE_FENTRY(0x5008), /* T520-cx */ + CH_PCI_ID_TABLE_FENTRY(0x5009), /* T520-bt */ + CH_PCI_ID_TABLE_FENTRY(0x500a), /* T504-bt */ +#ifdef CH_PCI_DEVICE_ID_BYPASS_SUPPORTED + CH_PCI_ID_TABLE_FENTRY(0x500b), /* B520-sr */ + CH_PCI_ID_TABLE_FENTRY(0x500c), /* B504-bt */ +#endif + CH_PCI_ID_TABLE_FENTRY(0x500d), /* T580-cr */ + CH_PCI_ID_TABLE_FENTRY(0x500e), /* T540-LP-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5010), /* T580-LP-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5011), /* T520-LL-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5012), /* T560-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5013), /* T580-chr */ + CH_PCI_ID_TABLE_FENTRY(0x5014), /* T580-so */ + CH_PCI_ID_TABLE_FENTRY(0x5015), /* T502-bt */ + CH_PCI_ID_TABLE_FENTRY(0x5016), /* T580-OCP-SO */ + CH_PCI_ID_TABLE_FENTRY(0x5017), /* T520-OCP-SO */ + CH_PCI_ID_TABLE_FENTRY(0x5018), /* T540-BT */ + CH_PCI_ID_TABLE_FENTRY(0x5019), /* T540-LP-BT */ + CH_PCI_ID_TABLE_FENTRY(0x501a), /* T540-SO-BT */ + CH_PCI_ID_TABLE_FENTRY(0x501b), /* T540-SO-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5080), /* Custom T540-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5081), /* Custom T540-LL-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5082), /* Custom T504-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5083), /* Custom T540-LP-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5084), /* Custom T580-cr */ + CH_PCI_ID_TABLE_FENTRY(0x5085), /* Custom 3x T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5086), /* Custom 2x T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5087), /* Custom T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5088), /* Custom T570-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5089), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5090), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5091), /* Custom T522-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5092), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5093), /* Custom T580-LP-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5094), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5095), /* Custom T540-CR-SO */ + CH_PCI_ID_TABLE_FENTRY(0x5096), /* Custom T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5097), /* Custom T520-KR */ + CH_PCI_ID_TABLE_FENTRY(0x5098), /* Custom 2x40G QSFP */ + CH_PCI_ID_TABLE_FENTRY(0x5099), /* Custom 2x40G QSFP */ + CH_PCI_ID_TABLE_FENTRY(0x509A), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x509B), /* Custom T540-CR LOM */ + CH_PCI_ID_TABLE_FENTRY(0x509c), /* Custom T520-CR SFP+ LOM */ + CH_PCI_ID_TABLE_FENTRY(0x509d), /* Custom T540-CR SFP+ */ + CH_PCI_ID_TABLE_FENTRY(0x509e), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x509f), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50a0), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50a1), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50a2), /* Custom T580-KR4 */ + CH_PCI_ID_TABLE_FENTRY(0x50a3), /* Custom T580-KR4 */ + CH_PCI_ID_TABLE_FENTRY(0x50a4), /* Custom 2x T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50a5), /* Custom T522-BT */ + CH_PCI_ID_TABLE_FENTRY(0x50a6), /* Custom T522-BT-SO */ + CH_PCI_ID_TABLE_FENTRY(0x50a7), /* Custom T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50a8), /* Custom T580-KR */ + CH_PCI_ID_TABLE_FENTRY(0x50a9), /* Custom T580-KR */ + CH_PCI_ID_TABLE_FENTRY(0x50aa), /* Custom T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50ab), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50ac), /* Custom T540-BT */ + CH_PCI_ID_TABLE_FENTRY(0x50ad), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x50ae), /* Custom T540-XL-SO */ + CH_PCI_ID_TABLE_FENTRY(0x50af), /* Custom T580-KR-SO */ + CH_PCI_ID_TABLE_FENTRY(0x50b0), /* Custom T520-CR-LOM */ + + /* T6 adapter */ + CH_PCI_ID_TABLE_FENTRY(0x6001), /* T6225-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6002), /* T6225-SO-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6003), /* T6425-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6004), /* T6425-SO-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6005), /* T6225-OCP */ + CH_PCI_ID_TABLE_FENTRY(0x6006), /* T62100-OCP-SO */ + CH_PCI_ID_TABLE_FENTRY(0x6007), /* T62100-LP-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6008), /* T62100-SO-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6009), /* T6210-BT */ + CH_PCI_ID_TABLE_FENTRY(0x600d), /* T62100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6011), /* T6225-LL-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6014), /* T61100-OCP-SO */ + CH_PCI_ID_TABLE_FENTRY(0x6015), /* T6201-BT */ + CH_PCI_ID_TABLE_FENTRY(0x6080), /* Custom T6225-CR SFP28 */ + CH_PCI_ID_TABLE_FENTRY(0x6081), /* Custom T62100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6082), /* Custom T6225-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6083), /* Custom T62100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6084), /* Custom T64100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6085), /* Custom T6240-SO */ + CH_PCI_ID_TABLE_FENTRY(0x6086), /* Custom T6225-SO-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6087), /* Custom T6225-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6088), /* Custom T62100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x6089), /* Custom T62100-KR */ + CH_PCI_ID_TABLE_FENTRY(0x608a), /* Custom T62100-CR */ + CH_PCI_ID_TABLE_FENTRY(0x608b), /* Custom T6225-CR */ +CH_PCI_DEVICE_ID_TABLE_DEFINE_END; + +#endif /* CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN */ + +#endif /* __T4_PCI_ID_TBL_H__ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs.h new file mode 100644 index 000000000..97cf49a48 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs.h @@ -0,0 +1,966 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#define MYPF_BASE 0x1b000 +#define MYPF_REG(reg_addr) (MYPF_BASE + (reg_addr)) + +#define PF0_BASE 0x1e000 +#define PF0_REG(reg_addr) (PF0_BASE + (reg_addr)) + +#define PF_STRIDE 0x400 +#define PF_BASE(idx) (PF0_BASE + (idx) * PF_STRIDE) +#define PF_REG(idx, reg) (PF_BASE(idx) + (reg)) + +#define MYPORT_BASE 0x1c000 +#define MYPORT_REG(reg_addr) (MYPORT_BASE + (reg_addr)) + +#define PORT0_BASE 0x20000 +#define PORT0_REG(reg_addr) (PORT0_BASE + (reg_addr)) + +#define PORT_STRIDE 0x2000 +#define PORT_BASE(idx) (PORT0_BASE + (idx) * PORT_STRIDE) +#define PORT_REG(idx, reg) (PORT_BASE(idx) + (reg)) + +#define PCIE_MEM_ACCESS_REG(reg_addr, idx) ((reg_addr) + (idx) * 8) +#define NUM_PCIE_MEM_ACCESS_INSTANCES 8 + +#define PCIE_FW_REG(reg_addr, idx) ((reg_addr) + (idx) * 4) +#define NUM_PCIE_FW_INSTANCES 8 + +#define T5_MYPORT_BASE 0x2c000 +#define T5_MYPORT_REG(reg_addr) (T5_MYPORT_BASE + (reg_addr)) + +#define T5_PORT0_BASE 0x30000 +#define T5_PORT0_REG(reg_addr) (T5_PORT0_BASE + (reg_addr)) + +#define T5_PORT_STRIDE 0x4000 +#define T5_PORT_BASE(idx) (T5_PORT0_BASE + (idx) * T5_PORT_STRIDE) +#define T5_PORT_REG(idx, reg) (T5_PORT_BASE(idx) + (reg)) + +#define MPS_T5_CLS_SRAM_L(idx) (A_MPS_T5_CLS_SRAM_L + (idx) * 8) +#define NUM_MPS_T5_CLS_SRAM_L_INSTANCES 512 + +#define MPS_T5_CLS_SRAM_H(idx) (A_MPS_T5_CLS_SRAM_H + (idx) * 8) +#define NUM_MPS_T5_CLS_SRAM_H_INSTANCES 512 + +#define S_DATAPORTNUM 12 +#define M_DATAPORTNUM 0xfU +#define V_DATAPORTNUM(x) ((x) << S_DATAPORTNUM) + +#define S_DATALKPTYPE 10 +#define M_DATALKPTYPE 0x3U +#define V_DATALKPTYPE(x) ((x) << S_DATALKPTYPE) + +/* registers for module SGE */ +#define SGE_BASE_ADDR 0x1000 + +#define A_SGE_PF_KDOORBELL 0x0 +#define A_SGE_VF_KDOORBELL 0x0 + +#define S_QID 15 +#define M_QID 0x1ffffU +#define V_QID(x) ((x) << S_QID) +#define G_QID(x) (((x) >> S_QID) & M_QID) + +#define S_DBPRIO 14 +#define V_DBPRIO(x) ((x) << S_DBPRIO) +#define F_DBPRIO V_DBPRIO(1U) + +#define S_PIDX 0 +#define M_PIDX 0x3fffU +#define V_PIDX(x) ((x) << S_PIDX) +#define G_PIDX(x) (((x) >> S_PIDX) & M_PIDX) + +#define S_DBTYPE 13 +#define V_DBTYPE(x) ((x) << S_DBTYPE) +#define F_DBTYPE V_DBTYPE(1U) + +#define S_PIDX_T5 0 +#define M_PIDX_T5 0x1fffU +#define V_PIDX_T5(x) ((x) << S_PIDX_T5) +#define G_PIDX_T5(x) (((x) >> S_PIDX_T5) & M_PIDX_T5) + +#define A_SGE_PF_GTS 0x4 + +#define T4VF_SGE_BASE_ADDR 0x0000 +#define A_SGE_VF_GTS 0x4 + +#define S_INGRESSQID 16 +#define M_INGRESSQID 0xffffU +#define V_INGRESSQID(x) ((x) << S_INGRESSQID) +#define G_INGRESSQID(x) (((x) >> S_INGRESSQID) & M_INGRESSQID) + +#define S_SEINTARM 12 +#define V_SEINTARM(x) ((x) << S_SEINTARM) +#define F_SEINTARM V_SEINTARM(1U) + +#define S_CIDXINC 0 +#define M_CIDXINC 0xfffU +#define V_CIDXINC(x) ((x) << S_CIDXINC) +#define G_CIDXINC(x) (((x) >> S_CIDXINC) & M_CIDXINC) + +#define A_SGE_CONTROL 0x1008 + +#define S_RXPKTCPLMODE 18 +#define V_RXPKTCPLMODE(x) ((x) << S_RXPKTCPLMODE) +#define F_RXPKTCPLMODE V_RXPKTCPLMODE(1U) + +#define S_EGRSTATUSPAGESIZE 17 +#define V_EGRSTATUSPAGESIZE(x) ((x) << S_EGRSTATUSPAGESIZE) +#define F_EGRSTATUSPAGESIZE V_EGRSTATUSPAGESIZE(1U) + +#define S_PKTSHIFT 10 +#define M_PKTSHIFT 0x7U +#define V_PKTSHIFT(x) ((x) << S_PKTSHIFT) +#define G_PKTSHIFT(x) (((x) >> S_PKTSHIFT) & M_PKTSHIFT) + +#define S_INGPADBOUNDARY 4 +#define M_INGPADBOUNDARY 0x7U +#define V_INGPADBOUNDARY(x) ((x) << S_INGPADBOUNDARY) +#define G_INGPADBOUNDARY(x) (((x) >> S_INGPADBOUNDARY) & M_INGPADBOUNDARY) + +#define A_SGE_HOST_PAGE_SIZE 0x100c + +#define S_HOSTPAGESIZEPF7 28 +#define M_HOSTPAGESIZEPF7 0xfU +#define V_HOSTPAGESIZEPF7(x) ((x) << S_HOSTPAGESIZEPF7) +#define G_HOSTPAGESIZEPF7(x) (((x) >> S_HOSTPAGESIZEPF7) & M_HOSTPAGESIZEPF7) + +#define S_HOSTPAGESIZEPF6 24 +#define M_HOSTPAGESIZEPF6 0xfU +#define V_HOSTPAGESIZEPF6(x) ((x) << S_HOSTPAGESIZEPF6) +#define G_HOSTPAGESIZEPF6(x) (((x) >> S_HOSTPAGESIZEPF6) & M_HOSTPAGESIZEPF6) + +#define S_HOSTPAGESIZEPF5 20 +#define M_HOSTPAGESIZEPF5 0xfU +#define V_HOSTPAGESIZEPF5(x) ((x) << S_HOSTPAGESIZEPF5) +#define G_HOSTPAGESIZEPF5(x) (((x) >> S_HOSTPAGESIZEPF5) & M_HOSTPAGESIZEPF5) + +#define S_HOSTPAGESIZEPF4 16 +#define M_HOSTPAGESIZEPF4 0xfU +#define V_HOSTPAGESIZEPF4(x) ((x) << S_HOSTPAGESIZEPF4) +#define G_HOSTPAGESIZEPF4(x) (((x) >> S_HOSTPAGESIZEPF4) & M_HOSTPAGESIZEPF4) + +#define S_HOSTPAGESIZEPF3 12 +#define M_HOSTPAGESIZEPF3 0xfU +#define V_HOSTPAGESIZEPF3(x) ((x) << S_HOSTPAGESIZEPF3) +#define G_HOSTPAGESIZEPF3(x) (((x) >> S_HOSTPAGESIZEPF3) & M_HOSTPAGESIZEPF3) + +#define S_HOSTPAGESIZEPF2 8 +#define M_HOSTPAGESIZEPF2 0xfU +#define V_HOSTPAGESIZEPF2(x) ((x) << S_HOSTPAGESIZEPF2) +#define G_HOSTPAGESIZEPF2(x) (((x) >> S_HOSTPAGESIZEPF2) & M_HOSTPAGESIZEPF2) + +#define S_HOSTPAGESIZEPF1 4 +#define M_HOSTPAGESIZEPF1 0xfU +#define V_HOSTPAGESIZEPF1(x) ((x) << S_HOSTPAGESIZEPF1) +#define G_HOSTPAGESIZEPF1(x) (((x) >> S_HOSTPAGESIZEPF1) & M_HOSTPAGESIZEPF1) + +#define S_HOSTPAGESIZEPF0 0 +#define M_HOSTPAGESIZEPF0 0xfU +#define V_HOSTPAGESIZEPF0(x) ((x) << S_HOSTPAGESIZEPF0) +#define G_HOSTPAGESIZEPF0(x) (((x) >> S_HOSTPAGESIZEPF0) & M_HOSTPAGESIZEPF0) + +#define A_SGE_EGRESS_QUEUES_PER_PAGE_PF 0x1010 + +#define S_QUEUESPERPAGEPF1 4 +#define M_QUEUESPERPAGEPF1 0xfU +#define V_QUEUESPERPAGEPF1(x) ((x) << S_QUEUESPERPAGEPF1) +#define G_QUEUESPERPAGEPF1(x) (((x) >> S_QUEUESPERPAGEPF1) & M_QUEUESPERPAGEPF1) + +#define S_QUEUESPERPAGEPF0 0 +#define M_QUEUESPERPAGEPF0 0xfU +#define V_QUEUESPERPAGEPF0(x) ((x) << S_QUEUESPERPAGEPF0) +#define G_QUEUESPERPAGEPF0(x) (((x) >> S_QUEUESPERPAGEPF0) & M_QUEUESPERPAGEPF0) + +#define A_SGE_EGRESS_QUEUES_PER_PAGE_VF 0x1014 + +#define S_ERR_CPL_EXCEED_IQE_SIZE 22 +#define V_ERR_CPL_EXCEED_IQE_SIZE(x) ((x) << S_ERR_CPL_EXCEED_IQE_SIZE) +#define F_ERR_CPL_EXCEED_IQE_SIZE V_ERR_CPL_EXCEED_IQE_SIZE(1U) + +#define S_ERR_INVALID_CIDX_INC 21 +#define V_ERR_INVALID_CIDX_INC(x) ((x) << S_ERR_INVALID_CIDX_INC) +#define F_ERR_INVALID_CIDX_INC V_ERR_INVALID_CIDX_INC(1U) + +#define S_ERR_CPL_OPCODE_0 19 +#define V_ERR_CPL_OPCODE_0(x) ((x) << S_ERR_CPL_OPCODE_0) +#define F_ERR_CPL_OPCODE_0 V_ERR_CPL_OPCODE_0(1U) + +#define S_ERR_DROPPED_DB 18 +#define V_ERR_DROPPED_DB(x) ((x) << S_ERR_DROPPED_DB) +#define F_ERR_DROPPED_DB V_ERR_DROPPED_DB(1U) + +#define S_ERR_DATA_CPL_ON_HIGH_QID1 17 +#define V_ERR_DATA_CPL_ON_HIGH_QID1(x) ((x) << S_ERR_DATA_CPL_ON_HIGH_QID1) +#define F_ERR_DATA_CPL_ON_HIGH_QID1 V_ERR_DATA_CPL_ON_HIGH_QID1(1U) + +#define S_ERR_DATA_CPL_ON_HIGH_QID0 16 +#define V_ERR_DATA_CPL_ON_HIGH_QID0(x) ((x) << S_ERR_DATA_CPL_ON_HIGH_QID0) +#define F_ERR_DATA_CPL_ON_HIGH_QID0 V_ERR_DATA_CPL_ON_HIGH_QID0(1U) + +#define S_ERR_BAD_DB_PIDX3 15 +#define V_ERR_BAD_DB_PIDX3(x) ((x) << S_ERR_BAD_DB_PIDX3) +#define F_ERR_BAD_DB_PIDX3 V_ERR_BAD_DB_PIDX3(1U) + +#define S_ERR_BAD_DB_PIDX2 14 +#define V_ERR_BAD_DB_PIDX2(x) ((x) << S_ERR_BAD_DB_PIDX2) +#define F_ERR_BAD_DB_PIDX2 V_ERR_BAD_DB_PIDX2(1U) + +#define S_ERR_BAD_DB_PIDX1 13 +#define V_ERR_BAD_DB_PIDX1(x) ((x) << S_ERR_BAD_DB_PIDX1) +#define F_ERR_BAD_DB_PIDX1 V_ERR_BAD_DB_PIDX1(1U) + +#define S_ERR_BAD_DB_PIDX0 12 +#define V_ERR_BAD_DB_PIDX0(x) ((x) << S_ERR_BAD_DB_PIDX0) +#define F_ERR_BAD_DB_PIDX0 V_ERR_BAD_DB_PIDX0(1U) + +#define S_ERR_ING_PCIE_CHAN 11 +#define V_ERR_ING_PCIE_CHAN(x) ((x) << S_ERR_ING_PCIE_CHAN) +#define F_ERR_ING_PCIE_CHAN V_ERR_ING_PCIE_CHAN(1U) + +#define S_ERR_ING_CTXT_PRIO 10 +#define V_ERR_ING_CTXT_PRIO(x) ((x) << S_ERR_ING_CTXT_PRIO) +#define F_ERR_ING_CTXT_PRIO V_ERR_ING_CTXT_PRIO(1U) + +#define S_ERR_EGR_CTXT_PRIO 9 +#define V_ERR_EGR_CTXT_PRIO(x) ((x) << S_ERR_EGR_CTXT_PRIO) +#define F_ERR_EGR_CTXT_PRIO V_ERR_EGR_CTXT_PRIO(1U) + +#define S_DBFIFO_HP_INT 8 +#define V_DBFIFO_HP_INT(x) ((x) << S_DBFIFO_HP_INT) +#define F_DBFIFO_HP_INT V_DBFIFO_HP_INT(1U) + +#define S_DBFIFO_LP_INT 7 +#define V_DBFIFO_LP_INT(x) ((x) << S_DBFIFO_LP_INT) +#define F_DBFIFO_LP_INT V_DBFIFO_LP_INT(1U) + +#define S_INGRESS_SIZE_ERR 5 +#define V_INGRESS_SIZE_ERR(x) ((x) << S_INGRESS_SIZE_ERR) +#define F_INGRESS_SIZE_ERR V_INGRESS_SIZE_ERR(1U) + +#define S_EGRESS_SIZE_ERR 4 +#define V_EGRESS_SIZE_ERR(x) ((x) << S_EGRESS_SIZE_ERR) +#define F_EGRESS_SIZE_ERR V_EGRESS_SIZE_ERR(1U) + +#define A_SGE_INT_ENABLE3 0x1040 + +#define A_SGE_FL_BUFFER_SIZE0 0x1044 +#define A_SGE_FL_BUFFER_SIZE1 0x1048 +#define A_SGE_FL_BUFFER_SIZE2 0x104c +#define A_SGE_FL_BUFFER_SIZE3 0x1050 + +#define A_SGE_FLM_CFG 0x1090 + +#define S_CREDITCNT 4 +#define M_CREDITCNT 0x3U +#define V_CREDITCNT(x) ((x) << S_CREDITCNT) +#define G_CREDITCNT(x) (((x) >> S_CREDITCNT) & M_CREDITCNT) + +#define S_CREDITCNTPACKING 2 +#define M_CREDITCNTPACKING 0x3U +#define V_CREDITCNTPACKING(x) ((x) << S_CREDITCNTPACKING) +#define G_CREDITCNTPACKING(x) (((x) >> S_CREDITCNTPACKING) & M_CREDITCNTPACKING) + +#define A_SGE_CONM_CTRL 0x1094 + +#define S_T6_EGRTHRESHOLDPACKING 16 +#define M_T6_EGRTHRESHOLDPACKING 0xffU +#define G_T6_EGRTHRESHOLDPACKING(x) (((x) >> S_T6_EGRTHRESHOLDPACKING) & \ + M_T6_EGRTHRESHOLDPACKING) + +#define S_EGRTHRESHOLD 8 +#define M_EGRTHRESHOLD 0x3fU +#define V_EGRTHRESHOLD(x) ((x) << S_EGRTHRESHOLD) +#define G_EGRTHRESHOLD(x) (((x) >> S_EGRTHRESHOLD) & M_EGRTHRESHOLD) + +#define S_EGRTHRESHOLDPACKING 14 +#define M_EGRTHRESHOLDPACKING 0x3fU +#define V_EGRTHRESHOLDPACKING(x) ((x) << S_EGRTHRESHOLDPACKING) +#define G_EGRTHRESHOLDPACKING(x) (((x) >> S_EGRTHRESHOLDPACKING) & \ + M_EGRTHRESHOLDPACKING) + +#define S_INGTHRESHOLD 2 +#define M_INGTHRESHOLD 0x3fU +#define V_INGTHRESHOLD(x) ((x) << S_INGTHRESHOLD) +#define G_INGTHRESHOLD(x) (((x) >> S_INGTHRESHOLD) & M_INGTHRESHOLD) + +#define A_SGE_INGRESS_RX_THRESHOLD 0x10a0 + +#define S_THRESHOLD_0 24 +#define M_THRESHOLD_0 0x3fU +#define V_THRESHOLD_0(x) ((x) << S_THRESHOLD_0) +#define G_THRESHOLD_0(x) (((x) >> S_THRESHOLD_0) & M_THRESHOLD_0) + +#define S_THRESHOLD_1 16 +#define M_THRESHOLD_1 0x3fU +#define V_THRESHOLD_1(x) ((x) << S_THRESHOLD_1) +#define G_THRESHOLD_1(x) (((x) >> S_THRESHOLD_1) & M_THRESHOLD_1) + +#define S_THRESHOLD_2 8 +#define M_THRESHOLD_2 0x3fU +#define V_THRESHOLD_2(x) ((x) << S_THRESHOLD_2) +#define G_THRESHOLD_2(x) (((x) >> S_THRESHOLD_2) & M_THRESHOLD_2) + +#define S_THRESHOLD_3 0 +#define M_THRESHOLD_3 0x3fU +#define V_THRESHOLD_3(x) ((x) << S_THRESHOLD_3) +#define G_THRESHOLD_3(x) (((x) >> S_THRESHOLD_3) & M_THRESHOLD_3) + +#define A_SGE_TIMER_VALUE_0_AND_1 0x10b8 + +#define S_TIMERVALUE0 16 +#define M_TIMERVALUE0 0xffffU +#define V_TIMERVALUE0(x) ((x) << S_TIMERVALUE0) +#define G_TIMERVALUE0(x) (((x) >> S_TIMERVALUE0) & M_TIMERVALUE0) + +#define S_TIMERVALUE1 0 +#define M_TIMERVALUE1 0xffffU +#define V_TIMERVALUE1(x) ((x) << S_TIMERVALUE1) +#define G_TIMERVALUE1(x) (((x) >> S_TIMERVALUE1) & M_TIMERVALUE1) + +#define A_SGE_TIMER_VALUE_2_AND_3 0x10bc + +#define S_TIMERVALUE2 16 +#define M_TIMERVALUE2 0xffffU +#define V_TIMERVALUE2(x) ((x) << S_TIMERVALUE2) +#define G_TIMERVALUE2(x) (((x) >> S_TIMERVALUE2) & M_TIMERVALUE2) + +#define S_TIMERVALUE3 0 +#define M_TIMERVALUE3 0xffffU +#define V_TIMERVALUE3(x) ((x) << S_TIMERVALUE3) +#define G_TIMERVALUE3(x) (((x) >> S_TIMERVALUE3) & M_TIMERVALUE3) + +#define A_SGE_TIMER_VALUE_4_AND_5 0x10c0 + +#define S_TIMERVALUE4 16 +#define M_TIMERVALUE4 0xffffU +#define V_TIMERVALUE4(x) ((x) << S_TIMERVALUE4) +#define G_TIMERVALUE4(x) (((x) >> S_TIMERVALUE4) & M_TIMERVALUE4) + +#define S_TIMERVALUE5 0 +#define M_TIMERVALUE5 0xffffU +#define V_TIMERVALUE5(x) ((x) << S_TIMERVALUE5) +#define G_TIMERVALUE5(x) (((x) >> S_TIMERVALUE5) & M_TIMERVALUE5) + +#define A_SGE_DEBUG_INDEX 0x10cc +#define A_SGE_DEBUG_DATA_HIGH 0x10d0 +#define A_SGE_DEBUG_DATA_LOW 0x10d4 +#define A_SGE_STAT_CFG 0x10ec + +#define S_STATMODE 2 +#define M_STATMODE 0x3U +#define V_STATMODE(x) ((x) << S_STATMODE) +#define G_STATMODE(x) (((x) >> S_STATMODE) & M_STATMODE) + +#define S_STATSOURCE_T5 9 +#define M_STATSOURCE_T5 0xfU +#define V_STATSOURCE_T5(x) ((x) << S_STATSOURCE_T5) +#define G_STATSOURCE_T5(x) (((x) >> S_STATSOURCE_T5) & M_STATSOURCE_T5) + +#define A_SGE_INGRESS_QUEUES_PER_PAGE_PF 0x10f4 +#define A_SGE_INGRESS_QUEUES_PER_PAGE_VF 0x10f8 + +#define A_SGE_CONTROL2 0x1124 + +#define S_IDMAARBROUNDROBIN 19 +#define V_IDMAARBROUNDROBIN(x) ((x) << S_IDMAARBROUNDROBIN) +#define F_IDMAARBROUNDROBIN V_IDMAARBROUNDROBIN(1U) + +#define S_INGPACKBOUNDARY 16 +#define M_INGPACKBOUNDARY 0x7U +#define V_INGPACKBOUNDARY(x) ((x) << S_INGPACKBOUNDARY) +#define G_INGPACKBOUNDARY(x) (((x) >> S_INGPACKBOUNDARY) & M_INGPACKBOUNDARY) + +#define S_BUSY 31 +#define V_BUSY(x) ((x) << S_BUSY) +#define F_BUSY V_BUSY(1U) + +#define A_SGE_DEBUG_DATA_HIGH_INDEX_10 0x12a8 +#define A_SGE_DEBUG_DATA_LOW_INDEX_2 0x12c8 +#define A_SGE_DEBUG_DATA_LOW_INDEX_3 0x12cc + +/* registers for module PCIE */ +#define PCIE_BASE_ADDR 0x3000 + +#define A_PCIE_MEM_ACCESS_BASE_WIN 0x3068 + +#define S_PCIEOFST 10 +#define M_PCIEOFST 0x3fffffU +#define V_PCIEOFST(x) ((x) << S_PCIEOFST) +#define G_PCIEOFST(x) (((x) >> S_PCIEOFST) & M_PCIEOFST) + +#define S_BIR 8 +#define M_BIR 0x3U +#define V_BIR(x) ((x) << S_BIR) +#define G_BIR(x) (((x) >> S_BIR) & M_BIR) + +#define S_WINDOW 0 +#define M_WINDOW 0xffU +#define V_WINDOW(x) ((x) << S_WINDOW) +#define G_WINDOW(x) (((x) >> S_WINDOW) & M_WINDOW) + +#define A_PCIE_MEM_ACCESS_OFFSET 0x306c + +#define S_PFNUM 0 +#define M_PFNUM 0x7U +#define V_PFNUM(x) ((x) << S_PFNUM) +#define G_PFNUM(x) (((x) >> S_PFNUM) & M_PFNUM) + +#define A_PCIE_FW 0x30b8 +#define A_PCIE_FW_PF 0x30bc + +#define A_PCIE_CFG2 0x3018 + +#define S_TOTMAXTAG 0 +#define M_TOTMAXTAG 0x3U +#define V_TOTMAXTAG(x) ((x) << S_TOTMAXTAG) + +#define S_T6_TOTMAXTAG 0 +#define M_T6_TOTMAXTAG 0x7U +#define V_T6_TOTMAXTAG(x) ((x) << S_T6_TOTMAXTAG) + +#define A_PCIE_CMD_CFG 0x5980 + +#define S_MINTAG 0 +#define M_MINTAG 0xffU +#define V_MINTAG(x) ((x) << S_MINTAG) + +#define S_T6_MINTAG 0 +#define M_T6_MINTAG 0xffU +#define V_T6_MINTAG(x) ((x) << S_T6_MINTAG) + +/* registers for module CIM */ +#define CIM_BASE_ADDR 0x7b00 + +#define A_CIM_VF_EXT_MAILBOX_CTRL 0x0 + +#define A_CIM_PF_MAILBOX_DATA 0x240 +#define A_CIM_PF_MAILBOX_CTRL 0x280 + +#define S_MBMSGVALID 3 +#define V_MBMSGVALID(x) ((x) << S_MBMSGVALID) +#define F_MBMSGVALID V_MBMSGVALID(1U) + +#define S_MBOWNER 0 +#define M_MBOWNER 0x3U +#define V_MBOWNER(x) ((x) << S_MBOWNER) +#define G_MBOWNER(x) (((x) >> S_MBOWNER) & M_MBOWNER) + +#define A_CIM_PF_MAILBOX_CTRL_SHADOW_COPY 0x290 +#define A_CIM_BOOT_CFG 0x7b00 + +#define S_UPCRST 0 +#define V_UPCRST(x) ((x) << S_UPCRST) +#define F_UPCRST V_UPCRST(1U) + +#define NUM_CIM_PF_MAILBOX_DATA_INSTANCES 16 + +/* registers for module TP */ +#define A_TP_OUT_CONFIG 0x7d04 + +#define S_CRXPKTENC 3 +#define V_CRXPKTENC(x) ((x) << S_CRXPKTENC) +#define F_CRXPKTENC V_CRXPKTENC(1U) + +#define TP_BASE_ADDR 0x7d00 +#define A_TP_CMM_TCB_BASE 0x7d10 + +#define A_TP_TIMER_RESOLUTION 0x7d90 + +#define S_TIMERRESOLUTION 16 +#define M_TIMERRESOLUTION 0xffU +#define V_TIMERRESOLUTION(x) ((x) << S_TIMERRESOLUTION) +#define G_TIMERRESOLUTION(x) (((x) >> S_TIMERRESOLUTION) & M_TIMERRESOLUTION) + +#define S_DELAYEDACKRESOLUTION 0 +#define M_DELAYEDACKRESOLUTION 0xffU +#define V_DELAYEDACKRESOLUTION(x) ((x) << S_DELAYEDACKRESOLUTION) +#define G_DELAYEDACKRESOLUTION(x) (((x) >> S_DELAYEDACKRESOLUTION) & \ + M_DELAYEDACKRESOLUTION) + +#define A_TP_CCTRL_TABLE 0x7ddc + +#define A_TP_MTU_TABLE 0x7de4 + +#define S_MTUINDEX 24 +#define M_MTUINDEX 0xffU +#define V_MTUINDEX(x) ((x) << S_MTUINDEX) +#define G_MTUINDEX(x) (((x) >> S_MTUINDEX) & M_MTUINDEX) + +#define S_MTUWIDTH 16 +#define M_MTUWIDTH 0xfU +#define V_MTUWIDTH(x) ((x) << S_MTUWIDTH) +#define G_MTUWIDTH(x) (((x) >> S_MTUWIDTH) & M_MTUWIDTH) + +#define S_MTUVALUE 0 +#define M_MTUVALUE 0x3fffU +#define V_MTUVALUE(x) ((x) << S_MTUVALUE) +#define G_MTUVALUE(x) (((x) >> S_MTUVALUE) & M_MTUVALUE) + +#define A_TP_RSS_CONFIG_VRT 0x7e00 + +#define S_KEYMODE 6 +#define M_KEYMODE 0x3U +#define G_KEYMODE(x) (((x) >> S_KEYMODE) & M_KEYMODE) + +#define S_KEYWRADDR 0 +#define V_KEYWRADDR(x) ((x) << S_KEYWRADDR) + +#define S_KEYWREN 4 +#define V_KEYWREN(x) ((x) << S_KEYWREN) +#define F_KEYWREN V_KEYWREN(1U) + +#define S_KEYWRADDRX 30 +#define V_KEYWRADDRX(x) ((x) << S_KEYWRADDRX) + +#define S_KEYEXTEND 26 +#define V_KEYEXTEND(x) ((x) << S_KEYEXTEND) +#define F_KEYEXTEND V_KEYEXTEND(1U) + +#define S_T6_VFWRADDR 8 +#define V_T6_VFWRADDR(x) ((x) << S_T6_VFWRADDR) + +#define A_TP_PIO_ADDR 0x7e40 +#define A_TP_PIO_DATA 0x7e44 + +#define A_TP_RSS_SECRET_KEY0 0x40 + +#define A_TP_VLAN_PRI_MAP 0x140 + +#define S_FRAGMENTATION 9 +#define V_FRAGMENTATION(x) ((x) << S_FRAGMENTATION) +#define F_FRAGMENTATION V_FRAGMENTATION(1U) + +#define S_MPSHITTYPE 8 +#define V_MPSHITTYPE(x) ((x) << S_MPSHITTYPE) +#define F_MPSHITTYPE V_MPSHITTYPE(1U) + +#define S_MACMATCH 7 +#define V_MACMATCH(x) ((x) << S_MACMATCH) +#define F_MACMATCH V_MACMATCH(1U) + +#define S_ETHERTYPE 6 +#define V_ETHERTYPE(x) ((x) << S_ETHERTYPE) +#define F_ETHERTYPE V_ETHERTYPE(1U) + +#define S_PROTOCOL 5 +#define V_PROTOCOL(x) ((x) << S_PROTOCOL) +#define F_PROTOCOL V_PROTOCOL(1U) + +#define S_TOS 4 +#define V_TOS(x) ((x) << S_TOS) +#define F_TOS V_TOS(1U) + +#define S_VLAN 3 +#define V_VLAN(x) ((x) << S_VLAN) +#define F_VLAN V_VLAN(1U) + +#define S_VNIC_ID 2 +#define V_VNIC_ID(x) ((x) << S_VNIC_ID) +#define F_VNIC_ID V_VNIC_ID(1U) + +#define S_PORT 1 +#define V_PORT(x) ((x) << S_PORT) +#define F_PORT V_PORT(1U) + +#define S_FCOE 0 +#define V_FCOE(x) ((x) << S_FCOE) +#define F_FCOE V_FCOE(1U) + +#define A_TP_INGRESS_CONFIG 0x141 + +#define S_USE_ENC_IDX 13 +#define V_USE_ENC_IDX(x) ((x) << S_USE_ENC_IDX) +#define F_USE_ENC_IDX V_USE_ENC_IDX(1U) + +#define S_VNIC 11 +#define V_VNIC(x) ((x) << S_VNIC) +#define F_VNIC V_VNIC(1U) + +#define S_CSUM_HAS_PSEUDO_HDR 10 +#define V_CSUM_HAS_PSEUDO_HDR(x) ((x) << S_CSUM_HAS_PSEUDO_HDR) +#define F_CSUM_HAS_PSEUDO_HDR V_CSUM_HAS_PSEUDO_HDR(1U) + +#define S_RM_OVLAN 9 +#define V_RM_OVLAN(x) ((x) << S_RM_OVLAN) + +/* registers for module MA */ +#define A_MA_EDRAM0_BAR 0x77c0 + +#define S_EDRAM0_SIZE 0 +#define M_EDRAM0_SIZE 0xfffU +#define V_EDRAM0_SIZE(x) ((x) << S_EDRAM0_SIZE) +#define G_EDRAM0_SIZE(x) (((x) >> S_EDRAM0_SIZE) & M_EDRAM0_SIZE) + +#define A_MA_EXT_MEMORY0_BAR 0x77c8 + +#define S_EXT_MEM0_SIZE 0 +#define M_EXT_MEM0_SIZE 0xfffU +#define V_EXT_MEM0_SIZE(x) ((x) << S_EXT_MEM0_SIZE) +#define G_EXT_MEM0_SIZE(x) (((x) >> S_EXT_MEM0_SIZE) & M_EXT_MEM0_SIZE) + +/* registers for module MPS */ +#define MPS_BASE_ADDR 0x9000 +#define T4VF_MPS_BASE_ADDR 0x0100 + +#define S_REPLICATE 11 +#define V_REPLICATE(x) ((x) << S_REPLICATE) +#define F_REPLICATE V_REPLICATE(1U) + +#define S_PF 8 +#define M_PF 0x7U +#define V_PF(x) ((x) << S_PF) +#define G_PF(x) (((x) >> S_PF) & M_PF) + +#define S_VF_VALID 7 +#define V_VF_VALID(x) ((x) << S_VF_VALID) +#define F_VF_VALID V_VF_VALID(1U) + +#define S_VF 0 +#define M_VF 0x7fU +#define V_VF(x) ((x) << S_VF) +#define G_VF(x) (((x) >> S_VF) & M_VF) + +#define A_MPS_STAT_CTL 0x9600 + +#define S_COUNTPAUSEMCRX 5 +#define V_COUNTPAUSEMCRX(x) ((x) << S_COUNTPAUSEMCRX) +#define F_COUNTPAUSEMCRX V_COUNTPAUSEMCRX(1U) + +#define S_COUNTPAUSESTATRX 4 +#define V_COUNTPAUSESTATRX(x) ((x) << S_COUNTPAUSESTATRX) +#define F_COUNTPAUSESTATRX V_COUNTPAUSESTATRX(1U) + +#define S_COUNTPAUSEMCTX 3 +#define V_COUNTPAUSEMCTX(x) ((x) << S_COUNTPAUSEMCTX) +#define F_COUNTPAUSEMCTX V_COUNTPAUSEMCTX(1U) + +#define S_COUNTPAUSESTATTX 2 +#define V_COUNTPAUSESTATTX(x) ((x) << S_COUNTPAUSESTATTX) +#define F_COUNTPAUSESTATTX V_COUNTPAUSESTATTX(1U) + +#define A_MPS_PORT_STAT_TX_PORT_BYTES_L 0x400 +#define A_MPS_PORT_STAT_TX_PORT_BYTES_H 0x404 +#define A_MPS_PORT_STAT_TX_PORT_FRAMES_L 0x408 +#define A_MPS_PORT_STAT_TX_PORT_FRAMES_H 0x40c +#define A_MPS_PORT_STAT_TX_PORT_BCAST_L 0x410 +#define A_MPS_PORT_STAT_TX_PORT_BCAST_H 0x414 +#define A_MPS_PORT_STAT_TX_PORT_MCAST_L 0x418 +#define A_MPS_PORT_STAT_TX_PORT_MCAST_H 0x41c +#define A_MPS_PORT_STAT_TX_PORT_UCAST_L 0x420 +#define A_MPS_PORT_STAT_TX_PORT_UCAST_H 0x424 +#define A_MPS_PORT_STAT_TX_PORT_ERROR_L 0x428 +#define A_MPS_PORT_STAT_TX_PORT_ERROR_H 0x42c +#define A_MPS_PORT_STAT_TX_PORT_64B_L 0x430 +#define A_MPS_PORT_STAT_TX_PORT_64B_H 0x434 +#define A_MPS_PORT_STAT_TX_PORT_65B_127B_L 0x438 +#define A_MPS_PORT_STAT_TX_PORT_65B_127B_H 0x43c +#define A_MPS_PORT_STAT_TX_PORT_128B_255B_L 0x440 +#define A_MPS_PORT_STAT_TX_PORT_128B_255B_H 0x444 +#define A_MPS_PORT_STAT_TX_PORT_256B_511B_L 0x448 +#define A_MPS_PORT_STAT_TX_PORT_256B_511B_H 0x44c +#define A_MPS_PORT_STAT_TX_PORT_512B_1023B_L 0x450 +#define A_MPS_PORT_STAT_TX_PORT_512B_1023B_H 0x454 +#define A_MPS_PORT_STAT_TX_PORT_1024B_1518B_L 0x458 +#define A_MPS_PORT_STAT_TX_PORT_1024B_1518B_H 0x45c +#define A_MPS_PORT_STAT_TX_PORT_1519B_MAX_L 0x460 +#define A_MPS_PORT_STAT_TX_PORT_1519B_MAX_H 0x464 +#define A_MPS_PORT_STAT_TX_PORT_DROP_L 0x468 +#define A_MPS_PORT_STAT_TX_PORT_DROP_H 0x46c +#define A_MPS_PORT_STAT_TX_PORT_PAUSE_L 0x470 +#define A_MPS_PORT_STAT_TX_PORT_PAUSE_H 0x474 +#define A_MPS_PORT_STAT_TX_PORT_PPP0_L 0x478 +#define A_MPS_PORT_STAT_TX_PORT_PPP0_H 0x47c +#define A_MPS_PORT_STAT_TX_PORT_PPP1_L 0x480 +#define A_MPS_PORT_STAT_TX_PORT_PPP1_H 0x484 +#define A_MPS_PORT_STAT_TX_PORT_PPP2_L 0x488 +#define A_MPS_PORT_STAT_TX_PORT_PPP2_H 0x48c +#define A_MPS_PORT_STAT_TX_PORT_PPP3_L 0x490 +#define A_MPS_PORT_STAT_TX_PORT_PPP3_H 0x494 +#define A_MPS_PORT_STAT_TX_PORT_PPP4_L 0x498 +#define A_MPS_PORT_STAT_TX_PORT_PPP4_H 0x49c +#define A_MPS_PORT_STAT_TX_PORT_PPP5_L 0x4a0 +#define A_MPS_PORT_STAT_TX_PORT_PPP5_H 0x4a4 +#define A_MPS_PORT_STAT_TX_PORT_PPP6_L 0x4a8 +#define A_MPS_PORT_STAT_TX_PORT_PPP6_H 0x4ac +#define A_MPS_PORT_STAT_TX_PORT_PPP7_L 0x4b0 +#define A_MPS_PORT_STAT_TX_PORT_PPP7_H 0x4b4 +#define A_MPS_PORT_STAT_LB_PORT_BYTES_L 0x4c0 +#define A_MPS_PORT_STAT_LB_PORT_BYTES_H 0x4c4 +#define A_MPS_PORT_STAT_LB_PORT_FRAMES_L 0x4c8 +#define A_MPS_PORT_STAT_LB_PORT_FRAMES_H 0x4cc +#define A_MPS_PORT_STAT_LB_PORT_BCAST_L 0x4d0 +#define A_MPS_PORT_STAT_LB_PORT_BCAST_H 0x4d4 +#define A_MPS_PORT_STAT_LB_PORT_MCAST_L 0x4d8 +#define A_MPS_PORT_STAT_LB_PORT_MCAST_H 0x4dc +#define A_MPS_PORT_STAT_LB_PORT_UCAST_L 0x4e0 +#define A_MPS_PORT_STAT_LB_PORT_UCAST_H 0x4e4 +#define A_MPS_PORT_STAT_LB_PORT_ERROR_L 0x4e8 +#define A_MPS_PORT_STAT_LB_PORT_ERROR_H 0x4ec +#define A_MPS_PORT_STAT_LB_PORT_64B_L 0x4f0 +#define A_MPS_PORT_STAT_LB_PORT_64B_H 0x4f4 +#define A_MPS_PORT_STAT_LB_PORT_65B_127B_L 0x4f8 +#define A_MPS_PORT_STAT_LB_PORT_65B_127B_H 0x4fc +#define A_MPS_PORT_STAT_LB_PORT_128B_255B_L 0x500 +#define A_MPS_PORT_STAT_LB_PORT_128B_255B_H 0x504 +#define A_MPS_PORT_STAT_LB_PORT_256B_511B_L 0x508 +#define A_MPS_PORT_STAT_LB_PORT_256B_511B_H 0x50c +#define A_MPS_PORT_STAT_LB_PORT_512B_1023B_L 0x510 +#define A_MPS_PORT_STAT_LB_PORT_512B_1023B_H 0x514 +#define A_MPS_PORT_STAT_LB_PORT_1024B_1518B_L 0x518 +#define A_MPS_PORT_STAT_LB_PORT_1024B_1518B_H 0x51c +#define A_MPS_PORT_STAT_LB_PORT_1519B_MAX_L 0x520 +#define A_MPS_PORT_STAT_LB_PORT_1519B_MAX_H 0x524 +#define A_MPS_PORT_STAT_LB_PORT_DROP_FRAMES 0x528 +#define A_MPS_PORT_STAT_LB_PORT_DROP_FRAMES_L 0x528 +#define A_MPS_PORT_STAT_LB_PORT_DROP_FRAMES_H 0x52c +#define A_MPS_PORT_STAT_RX_PORT_BYTES_L 0x540 +#define A_MPS_PORT_STAT_RX_PORT_BYTES_H 0x544 +#define A_MPS_PORT_STAT_RX_PORT_FRAMES_L 0x548 +#define A_MPS_PORT_STAT_RX_PORT_FRAMES_H 0x54c +#define A_MPS_PORT_STAT_RX_PORT_BCAST_L 0x550 +#define A_MPS_PORT_STAT_RX_PORT_BCAST_H 0x554 +#define A_MPS_PORT_STAT_RX_PORT_MCAST_L 0x558 +#define A_MPS_PORT_STAT_RX_PORT_MCAST_H 0x55c +#define A_MPS_PORT_STAT_RX_PORT_UCAST_L 0x560 +#define A_MPS_PORT_STAT_RX_PORT_UCAST_H 0x564 +#define A_MPS_PORT_STAT_RX_PORT_MTU_ERROR_L 0x568 +#define A_MPS_PORT_STAT_RX_PORT_MTU_ERROR_H 0x56c +#define A_MPS_PORT_STAT_RX_PORT_MTU_CRC_ERROR_L 0x570 +#define A_MPS_PORT_STAT_RX_PORT_MTU_CRC_ERROR_H 0x574 +#define A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L 0x578 +#define A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_H 0x57c +#define A_MPS_PORT_STAT_RX_PORT_LEN_ERROR_L 0x580 +#define A_MPS_PORT_STAT_RX_PORT_LEN_ERROR_H 0x584 +#define A_MPS_PORT_STAT_RX_PORT_SYM_ERROR_L 0x588 +#define A_MPS_PORT_STAT_RX_PORT_SYM_ERROR_H 0x58c +#define A_MPS_PORT_STAT_RX_PORT_64B_L 0x590 +#define A_MPS_PORT_STAT_RX_PORT_64B_H 0x594 +#define A_MPS_PORT_STAT_RX_PORT_65B_127B_L 0x598 +#define A_MPS_PORT_STAT_RX_PORT_65B_127B_H 0x59c +#define A_MPS_PORT_STAT_RX_PORT_128B_255B_L 0x5a0 +#define A_MPS_PORT_STAT_RX_PORT_128B_255B_H 0x5a4 +#define A_MPS_PORT_STAT_RX_PORT_256B_511B_L 0x5a8 +#define A_MPS_PORT_STAT_RX_PORT_256B_511B_H 0x5ac +#define A_MPS_PORT_STAT_RX_PORT_512B_1023B_L 0x5b0 +#define A_MPS_PORT_STAT_RX_PORT_512B_1023B_H 0x5b4 +#define A_MPS_PORT_STAT_RX_PORT_1024B_1518B_L 0x5b8 +#define A_MPS_PORT_STAT_RX_PORT_1024B_1518B_H 0x5bc +#define A_MPS_PORT_STAT_RX_PORT_1519B_MAX_L 0x5c0 +#define A_MPS_PORT_STAT_RX_PORT_1519B_MAX_H 0x5c4 +#define A_MPS_PORT_STAT_RX_PORT_PAUSE_L 0x5c8 +#define A_MPS_PORT_STAT_RX_PORT_PAUSE_H 0x5cc +#define A_MPS_PORT_STAT_RX_PORT_PPP0_L 0x5d0 +#define A_MPS_PORT_STAT_RX_PORT_PPP0_H 0x5d4 +#define A_MPS_PORT_STAT_RX_PORT_PPP1_L 0x5d8 +#define A_MPS_PORT_STAT_RX_PORT_PPP1_H 0x5dc +#define A_MPS_PORT_STAT_RX_PORT_PPP2_L 0x5e0 +#define A_MPS_PORT_STAT_RX_PORT_PPP2_H 0x5e4 +#define A_MPS_PORT_STAT_RX_PORT_PPP3_L 0x5e8 +#define A_MPS_PORT_STAT_RX_PORT_PPP3_H 0x5ec +#define A_MPS_PORT_STAT_RX_PORT_PPP4_L 0x5f0 +#define A_MPS_PORT_STAT_RX_PORT_PPP4_H 0x5f4 +#define A_MPS_PORT_STAT_RX_PORT_PPP5_L 0x5f8 +#define A_MPS_PORT_STAT_RX_PORT_PPP5_H 0x5fc +#define A_MPS_PORT_STAT_RX_PORT_PPP6_L 0x600 +#define A_MPS_PORT_STAT_RX_PORT_PPP6_H 0x604 +#define A_MPS_PORT_STAT_RX_PORT_PPP7_L 0x608 +#define A_MPS_PORT_STAT_RX_PORT_PPP7_H 0x60c +#define A_MPS_PORT_STAT_RX_PORT_LESS_64B_L 0x610 +#define A_MPS_PORT_STAT_RX_PORT_LESS_64B_H 0x614 +#define A_MPS_CMN_CTL 0x9000 + +#define S_NUMPORTS 0 +#define M_NUMPORTS 0x3U +#define V_NUMPORTS(x) ((x) << S_NUMPORTS) +#define G_NUMPORTS(x) (((x) >> S_NUMPORTS) & M_NUMPORTS) + +#define A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L 0x9640 +#define A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_H 0x9644 +#define A_MPS_STAT_RX_BG_1_MAC_DROP_FRAME_L 0x9648 +#define A_MPS_STAT_RX_BG_1_MAC_DROP_FRAME_H 0x964c +#define A_MPS_STAT_RX_BG_2_MAC_DROP_FRAME_L 0x9650 +#define A_MPS_STAT_RX_BG_2_MAC_DROP_FRAME_H 0x9654 +#define A_MPS_STAT_RX_BG_3_MAC_DROP_FRAME_L 0x9658 +#define A_MPS_STAT_RX_BG_3_MAC_DROP_FRAME_H 0x965c +#define A_MPS_STAT_RX_BG_0_LB_DROP_FRAME_L 0x9660 +#define A_MPS_STAT_RX_BG_0_LB_DROP_FRAME_H 0x9664 +#define A_MPS_STAT_RX_BG_1_LB_DROP_FRAME_L 0x9668 +#define A_MPS_STAT_RX_BG_1_LB_DROP_FRAME_H 0x966c +#define A_MPS_STAT_RX_BG_2_LB_DROP_FRAME_L 0x9670 +#define A_MPS_STAT_RX_BG_2_LB_DROP_FRAME_H 0x9674 +#define A_MPS_STAT_RX_BG_3_LB_DROP_FRAME_L 0x9678 +#define A_MPS_STAT_RX_BG_3_LB_DROP_FRAME_H 0x967c +#define A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L 0x9680 +#define A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_H 0x9684 +#define A_MPS_STAT_RX_BG_1_MAC_TRUNC_FRAME_L 0x9688 +#define A_MPS_STAT_RX_BG_1_MAC_TRUNC_FRAME_H 0x968c +#define A_MPS_STAT_RX_BG_2_MAC_TRUNC_FRAME_L 0x9690 +#define A_MPS_STAT_RX_BG_2_MAC_TRUNC_FRAME_H 0x9694 +#define A_MPS_STAT_RX_BG_3_MAC_TRUNC_FRAME_L 0x9698 +#define A_MPS_STAT_RX_BG_3_MAC_TRUNC_FRAME_H 0x969c +#define A_MPS_STAT_RX_BG_0_LB_TRUNC_FRAME_L 0x96a0 +#define A_MPS_STAT_RX_BG_0_LB_TRUNC_FRAME_H 0x96a4 +#define A_MPS_STAT_RX_BG_1_LB_TRUNC_FRAME_L 0x96a8 +#define A_MPS_STAT_RX_BG_1_LB_TRUNC_FRAME_H 0x96ac +#define A_MPS_STAT_RX_BG_2_LB_TRUNC_FRAME_L 0x96b0 +#define A_MPS_STAT_RX_BG_2_LB_TRUNC_FRAME_H 0x96b4 +#define A_MPS_STAT_RX_BG_3_LB_TRUNC_FRAME_L 0x96b8 +#define A_MPS_STAT_RX_BG_3_LB_TRUNC_FRAME_H 0x96bc + +#define A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L 0x80 +#define A_MPS_VF_STAT_TX_VF_BCAST_FRAMES_L 0x88 +#define A_MPS_VF_STAT_TX_VF_MCAST_BYTES_L 0x90 +#define A_MPS_VF_STAT_TX_VF_MCAST_FRAMES_L 0x98 +#define A_MPS_VF_STAT_TX_VF_UCAST_BYTES_L 0xa0 +#define A_MPS_VF_STAT_TX_VF_UCAST_FRAMES_L 0xa8 +#define A_MPS_VF_STAT_TX_VF_DROP_FRAMES_L 0xb0 +#define A_MPS_VF_STAT_RX_VF_BCAST_FRAMES_L 0xd0 +#define A_MPS_VF_STAT_RX_VF_MCAST_FRAMES_L 0xe0 +#define A_MPS_VF_STAT_RX_VF_UCAST_FRAMES_L 0xf0 +#define A_MPS_VF_STAT_RX_VF_ERR_FRAMES_L 0xf8 + +#define A_MPS_PORT0_RX_IVLAN 0x3011c + +#define S_IVLAN_ETYPE 0 +#define M_IVLAN_ETYPE 0xffffU +#define V_IVLAN_ETYPE(x) ((x) << S_IVLAN_ETYPE) + +#define MPS_PORT_RX_IVLAN_STRIDE 0x4000 +#define MPS_PORT_RX_IVLAN(idx) \ + (A_MPS_PORT0_RX_IVLAN + (idx) * MPS_PORT_RX_IVLAN_STRIDE) + +#define A_MPS_PORT0_RX_OVLAN0 0x30120 + +#define S_OVLAN_MASK 16 +#define M_OVLAN_MASK 0xffffU +#define V_OVLAN_MASK(x) ((x) << S_OVLAN_MASK) + +#define S_OVLAN_ETYPE 0 +#define M_OVLAN_ETYPE 0xffffU +#define V_OVLAN_ETYPE(x) ((x) << S_OVLAN_ETYPE) + +#define MPS_PORT_RX_OVLAN_STRIDE 0x4000 +#define MPS_PORT_RX_OVLAN_BASE(idx) \ +(A_MPS_PORT0_RX_OVLAN0 + (idx) * MPS_PORT_RX_OVLAN_STRIDE) +#define MPS_PORT_RX_OVLAN_REG(idx, reg) (MPS_PORT_RX_OVLAN_BASE(idx) + (reg)) + +#define A_RX_OVLAN0 0x0 +#define A_RX_OVLAN1 0x4 +#define A_RX_OVLAN2 0x8 + +#define A_MPS_PORT0_RX_CTL 0x30100 + +#define S_OVLAN_EN0 0 +#define V_OVLAN_EN0(x) ((x) << S_OVLAN_EN0) +#define F_OVLAN_EN0 V_OVLAN_EN0(1) + +#define S_OVLAN_EN1 1 +#define V_OVLAN_EN1(x) ((x) << S_OVLAN_EN1) +#define F_OVLAN_EN1 V_OVLAN_EN1(1) + +#define S_OVLAN_EN2 2 +#define V_OVLAN_EN2(x) ((x) << S_OVLAN_EN2) +#define F_OVLAN_EN2 V_OVLAN_EN2(1) + +#define S_IVLAN_EN 4 +#define V_IVLAN_EN(x) ((x) << S_IVLAN_EN) +#define F_IVLAN_EN V_IVLAN_EN(1) + +#define MPS_PORT_RX_CTL_STRIDE 0x4000 +#define MPS_PORT_RX_CTL(idx) \ + (A_MPS_PORT0_RX_CTL + (idx) * MPS_PORT_RX_CTL_STRIDE) + +/* registers for module ULP_RX */ +#define ULP_RX_BASE_ADDR 0x19150 + +#define S_HPZ0 0 +#define M_HPZ0 0xfU +#define V_HPZ0(x) ((x) << S_HPZ0) +#define G_HPZ0(x) (((x) >> S_HPZ0) & M_HPZ0) + +#define A_ULP_RX_TDDP_PSZ 0x19178 + +/* registers for module SF */ +#define SF_BASE_ADDR 0x193f8 + +#define A_SF_DATA 0x193f8 +#define A_SF_OP 0x193fc + +#define S_SF_LOCK 4 +#define V_SF_LOCK(x) ((x) << S_SF_LOCK) +#define F_SF_LOCK V_SF_LOCK(1U) + +#define S_CONT 3 +#define V_CONT(x) ((x) << S_CONT) +#define F_CONT V_CONT(1U) + +#define S_BYTECNT 1 +#define M_BYTECNT 0x3U +#define V_BYTECNT(x) ((x) << S_BYTECNT) +#define G_BYTECNT(x) (((x) >> S_BYTECNT) & M_BYTECNT) + +#define S_OP 0 +#define V_OP(x) ((x) << S_OP) +#define F_OP V_OP(1U) + +/* registers for module PL */ +#define PL_BASE_ADDR 0x19400 + +#define S_SOURCEPF 8 +#define M_SOURCEPF 0x7U +#define V_SOURCEPF(x) ((x) << S_SOURCEPF) +#define G_SOURCEPF(x) (((x) >> S_SOURCEPF) & M_SOURCEPF) + +#define S_T6_SOURCEPF 9 +#define M_T6_SOURCEPF 0x7U +#define V_T6_SOURCEPF(x) ((x) << S_T6_SOURCEPF) +#define G_T6_SOURCEPF(x) (((x) >> S_T6_SOURCEPF) & M_T6_SOURCEPF) + +#define A_PL_PF_INT_ENABLE 0x3c4 + +#define S_PFSW 3 +#define V_PFSW(x) ((x) << S_PFSW) +#define F_PFSW V_PFSW(1U) + +#define S_PFCIM 1 +#define V_PFCIM(x) ((x) << S_PFCIM) +#define F_PFCIM V_PFCIM(1U) + +#define A_PL_WHOAMI 0x19400 +#define A_PL_VF_WHOAMI 0x0 + +#define A_PL_RST 0x19428 + +#define A_PL_INT_MAP0 0x19414 + +#define S_PIORST 1 +#define V_PIORST(x) ((x) << S_PIORST) +#define F_PIORST V_PIORST(1U) + +#define S_PIORSTMODE 0 +#define V_PIORSTMODE(x) ((x) << S_PIORSTMODE) +#define F_PIORSTMODE V_PIORSTMODE(1U) + +#define A_PL_REV 0x1943c +#define A_PL_VF_REV 0x4 + +#define S_REV 0 +#define M_REV 0xfU +#define V_REV(x) ((x) << S_REV) +#define G_REV(x) (((x) >> S_REV) & M_REV) + +/* registers for module LE */ +#define A_LE_DB_CONFIG 0x19c04 + +#define S_HASHEN 20 +#define V_HASHEN(x) ((x) << S_HASHEN) +#define F_HASHEN V_HASHEN(1U) + +#define A_LE_DB_TID_HASHBASE 0x19df8 + +#define LE_3_DB_HASH_MASK_GEN_IPV4_T6_A 0x19eac +#define LE_4_DB_HASH_MASK_GEN_IPV4_T6_A 0x19eb0 diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs_values.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs_values.h new file mode 100644 index 000000000..e3f549e51 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_regs_values.h @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __T4_REGS_VALUES_H__ +#define __T4_REGS_VALUES_H__ + +/* + * This file contains definitions for various T4 register value hardware + * constants. The types of values encoded here are predominantly those for + * register fields which control "modal" behavior. For the most part, we do + * not include definitions for register fields which are simple numeric + * metrics, etc. + */ + +/* + * SGE definitions. + * ================ + */ + +/* + * SGE register field values. + */ + +/* CONTROL register */ +#define X_RXPKTCPLMODE_SPLIT 1 +#define X_INGPCIEBOUNDARY_32B 0 +#define X_INGPADBOUNDARY_SHIFT 5 +#define X_INGPADBOUNDARY_32B 0 + +#define X_T6_INGPADBOUNDARY_SHIFT 3 +#define X_T6_INGPADBOUNDARY_8B 0 + +/* CONTROL2 register */ +#define X_INGPACKBOUNDARY_SHIFT 5 +#define X_INGPACKBOUNDARY_16B 0 +#define X_INGPACKBOUNDARY_64B 1 + +/* GTS register */ +#define X_TIMERREG_RESTART_COUNTER 6 +#define X_TIMERREG_UPDATE_CIDX 7 + +/* + * Egress Context field values + */ +#define X_FETCHBURSTMIN_64B 2 +#define X_FETCHBURSTMIN_128B 3 +#define X_FETCHBURSTMAX_256B 2 +#define X_FETCHBURSTMAX_512B 3 + +#define X_HOSTFCMODE_NONE 0 + +/* + * Ingress Context field values + */ +#define X_UPDATEDELIVERY_STATUS_PAGE 2 + +#define X_RSPD_TYPE_FLBUF 0 +#define X_RSPD_TYPE_CPL 1 + +/* + * Context field definitions. This is by no means a complete list of SGE + * Context fields. In the vast majority of cases the firmware initializes + * things the way they need to be set up. But in a few small cases, we need + * to compute new values and ship them off to the firmware to be applied to + * the SGE Conexts ... + */ + +/* + * Congestion Manager Definitions. + */ +#define S_CONMCTXT_CNGTPMODE 19 +#define M_CONMCTXT_CNGTPMODE 0x3 +#define V_CONMCTXT_CNGTPMODE(x) ((x) << S_CONMCTXT_CNGTPMODE) +#define G_CONMCTXT_CNGTPMODE(x) \ + (((x) >> S_CONMCTXT_CNGTPMODE) & M_CONMCTXT_CNGTPMODE) +#define S_CONMCTXT_CNGCHMAP 0 +#define M_CONMCTXT_CNGCHMAP 0xffff +#define V_CONMCTXT_CNGCHMAP(x) ((x) << S_CONMCTXT_CNGCHMAP) +#define G_CONMCTXT_CNGCHMAP(x) \ + (((x) >> S_CONMCTXT_CNGCHMAP) & M_CONMCTXT_CNGCHMAP) + +#define X_CONMCTXT_CNGTPMODE_QUEUE 1 +#define X_CONMCTXT_CNGTPMODE_CHANNEL 2 + +/* + * T5 and later support a new BAR2-based doorbell mechanism for Egress Queues. + * The User Doorbells are each 128 bytes in length with a Simple Doorbell at + * offsets 8x and a Write Combining single 64-byte Egress Queue Unit + * (X_IDXSIZE_UNIT) Gather Buffer interface at offset 64. For Ingress Queues, + * we have a Going To Sleep register at offsets 8x+4. + * + * As noted above, we have many instances of the Simple Doorbell and Going To + * Sleep registers at offsets 8x and 8x+4, respectively. We want to use a + * non-64-byte aligned offset for the Simple Doorbell in order to attempt to + * avoid buffering of the writes to the Simple Doorbell and we want to use a + * non-contiguous offset for the Going To Sleep writes in order to avoid + * possible combining between them. + */ +#define SGE_UDB_SIZE 128 +#define SGE_UDB_KDOORBELL 8 +#define SGE_UDB_GTS 20 + +/* + * CIM definitions. + * ================ + */ + +/* + * CIM register field values. + */ +#define X_MBOWNER_NONE 0 +#define X_MBOWNER_FW 1 +#define X_MBOWNER_PL 2 + +/* + * PCI-E definitions. + * ================== + */ +#define X_WINDOW_SHIFT 10 +#define X_PCIEOFST_SHIFT 10 + +/* + * TP definitions. + * =============== + */ + +/* + * TP_VLAN_PRI_MAP controls which subset of fields will be present in the + * Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP + * selects for a particular field being present. These fields, when present + * in the Compressed Filter Tuple, have the following widths in bits. + */ +#define W_FT_FCOE 1 +#define W_FT_PORT 3 +#define W_FT_VNIC_ID 17 +#define W_FT_VLAN 17 +#define W_FT_TOS 8 +#define W_FT_PROTOCOL 8 +#define W_FT_ETHERTYPE 16 +#define W_FT_MACMATCH 9 +#define W_FT_MPSHITTYPE 3 +#define W_FT_FRAGMENTATION 1 + +/* + * Some of the Compressed Filter Tuple fields have internal structure. These + * bit shifts/masks describe those structures. All shifts are relative to the + * base position of the fields within the Compressed Filter Tuple + */ +#define S_FT_VLAN_VLD 16 +#define V_FT_VLAN_VLD(x) ((x) << S_FT_VLAN_VLD) +#define F_FT_VLAN_VLD V_FT_VLAN_VLD(1U) + +#endif /* __T4_REGS_VALUES_H__ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4_tcb.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_tcb.h new file mode 100644 index 000000000..afd03b735 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4_tcb.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _T4_TCB_DEFS_H +#define _T4_TCB_DEFS_H + +/* 31:24 */ +#define W_TCB_SMAC_SEL 0 +#define S_TCB_SMAC_SEL 24 +#define M_TCB_SMAC_SEL 0xffULL +#define V_TCB_SMAC_SEL(x) ((x) << S_TCB_SMAC_SEL) + +/* 95:32 */ +#define W_TCB_T_FLAGS 1 + +/* 105:96 */ +#define W_TCB_RSS_INFO 3 +#define S_TCB_RSS_INFO 0 +#define M_TCB_RSS_INFO 0x3ffULL +#define V_TCB_RSS_INFO(x) ((x) << S_TCB_RSS_INFO) + +/* 191:160 */ +#define W_TCB_TIMESTAMP 5 +#define S_TCB_TIMESTAMP 0 +#define M_TCB_TIMESTAMP 0xffffffffULL +#define V_TCB_TIMESTAMP(x) ((x) << S_TCB_TIMESTAMP) + +/* 223:192 */ +#define W_TCB_T_RTT_TS_RECENT_AGE 6 +#define S_TCB_T_RTT_TS_RECENT_AGE 0 +#define M_TCB_T_RTT_TS_RECENT_AGE 0xffffffffULL +#define V_TCB_T_RTT_TS_RECENT_AGE(x) ((x) << S_TCB_T_RTT_TS_RECENT_AGE) + +/* 255:224 */ +#define S_TCB_T_RTSEQ_RECENT 0 +#define M_TCB_T_RTSEQ_RECENT 0xffffffffULL +#define V_TCB_T_RTSEQ_RECENT(x) ((x) << S_TCB_T_RTSEQ_RECENT) + +#define S_TF_CCTRL_ECE 60 + +#define S_TF_CCTRL_CWR 61 + +#define S_TF_CCTRL_RFR 62 + +#endif /* _T4_TCB_DEFS_H */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4fw_interface.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4fw_interface.h new file mode 100644 index 000000000..0032178d0 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4fw_interface.h @@ -0,0 +1,2452 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _T4FW_INTERFACE_H_ +#define _T4FW_INTERFACE_H_ + +/****************************************************************************** + * R E T U R N V A L U E S + ********************************/ + +enum fw_retval { + FW_SUCCESS = 0, /* completed successfully */ + FW_EPERM = 1, /* operation not permitted */ + FW_ENOENT = 2, /* no such file or directory */ + FW_EIO = 5, /* input/output error; hw bad */ + FW_ENOEXEC = 8, /* exec format error; inv microcode */ + FW_EAGAIN = 11, /* try again */ + FW_ENOMEM = 12, /* out of memory */ + FW_EFAULT = 14, /* bad address; fw bad */ + FW_EBUSY = 16, /* resource busy */ + FW_EEXIST = 17, /* file exists */ + FW_ENODEV = 19, /* no such device */ + FW_EINVAL = 22, /* invalid argument */ + FW_ENOSPC = 28, /* no space left on device */ + FW_ENOSYS = 38, /* functionality not implemented */ + FW_ENODATA = 61, /* no data available */ + FW_EPROTO = 71, /* protocol error */ + FW_EADDRINUSE = 98, /* address already in use */ + FW_EADDRNOTAVAIL = 99, /* cannot assigned requested address */ + FW_ENETDOWN = 100, /* network is down */ + FW_ENETUNREACH = 101, /* network is unreachable */ + FW_ENOBUFS = 105, /* no buffer space available */ + FW_ETIMEDOUT = 110, /* timeout */ + FW_EINPROGRESS = 115, /* fw internal */ +}; + +/****************************************************************************** + * M E M O R Y T Y P E s + ******************************/ + +enum fw_memtype { + FW_MEMTYPE_EDC0 = 0x0, + FW_MEMTYPE_EDC1 = 0x1, + FW_MEMTYPE_EXTMEM = 0x2, + FW_MEMTYPE_FLASH = 0x4, + FW_MEMTYPE_INTERNAL = 0x5, + FW_MEMTYPE_EXTMEM1 = 0x6, +}; + +/****************************************************************************** + * W O R K R E Q U E S T s + ********************************/ + +enum fw_wr_opcodes { + FW_FILTER_WR = 0x02, + FW_ULPTX_WR = 0x04, + FW_TP_WR = 0x05, + FW_ETH_TX_PKT_WR = 0x08, + FW_ETH_TX_PKTS_WR = 0x09, + FW_ETH_TX_PKT_VM_WR = 0x11, + FW_ETH_TX_PKTS_VM_WR = 0x12, + FW_FILTER2_WR = 0x77, + FW_ETH_TX_PKTS2_WR = 0x78, +}; + +/* + * Generic work request header flit0 + */ +struct fw_wr_hdr { + __be32 hi; + __be32 lo; +}; + +/* work request opcode (hi) + */ +#define S_FW_WR_OP 24 +#define M_FW_WR_OP 0xff +#define V_FW_WR_OP(x) ((x) << S_FW_WR_OP) +#define G_FW_WR_OP(x) (((x) >> S_FW_WR_OP) & M_FW_WR_OP) + +/* atomic flag (hi) - firmware encapsulates CPLs in CPL_BARRIER + */ +#define S_FW_WR_ATOMIC 23 +#define V_FW_WR_ATOMIC(x) ((x) << S_FW_WR_ATOMIC) + +/* work request immediate data length (hi) + */ +#define S_FW_WR_IMMDLEN 0 +#define M_FW_WR_IMMDLEN 0xff +#define V_FW_WR_IMMDLEN(x) ((x) << S_FW_WR_IMMDLEN) +#define G_FW_WR_IMMDLEN(x) \ + (((x) >> S_FW_WR_IMMDLEN) & M_FW_WR_IMMDLEN) + +/* egress queue status update to egress queue status entry (lo) + */ +#define S_FW_WR_EQUEQ 30 +#define M_FW_WR_EQUEQ 0x1 +#define V_FW_WR_EQUEQ(x) ((x) << S_FW_WR_EQUEQ) +#define G_FW_WR_EQUEQ(x) (((x) >> S_FW_WR_EQUEQ) & M_FW_WR_EQUEQ) +#define F_FW_WR_EQUEQ V_FW_WR_EQUEQ(1U) + +/* flow context identifier (lo) + */ +#define S_FW_WR_FLOWID 8 +#define V_FW_WR_FLOWID(x) ((x) << S_FW_WR_FLOWID) + +/* length in units of 16-bytes (lo) + */ +#define S_FW_WR_LEN16 0 +#define M_FW_WR_LEN16 0xff +#define V_FW_WR_LEN16(x) ((x) << S_FW_WR_LEN16) +#define G_FW_WR_LEN16(x) (((x) >> S_FW_WR_LEN16) & M_FW_WR_LEN16) + +struct fw_eth_tx_pkt_wr { + __be32 op_immdlen; + __be32 equiq_to_len16; + __be64 r3; +}; + +#define S_FW_ETH_TX_PKT_WR_IMMDLEN 0 +#define M_FW_ETH_TX_PKT_WR_IMMDLEN 0x1ff +#define V_FW_ETH_TX_PKT_WR_IMMDLEN(x) ((x) << S_FW_ETH_TX_PKT_WR_IMMDLEN) +#define G_FW_ETH_TX_PKT_WR_IMMDLEN(x) \ + (((x) >> S_FW_ETH_TX_PKT_WR_IMMDLEN) & M_FW_ETH_TX_PKT_WR_IMMDLEN) + +struct fw_eth_tx_pkts_wr { + __be32 op_pkd; + __be32 equiq_to_len16; + __be32 r3; + __be16 plen; + __u8 npkt; + __u8 type; +}; + +struct fw_eth_tx_pkt_vm_wr { + __be32 op_immdlen; + __be32 equiq_to_len16; + __be32 r3[2]; + __u8 ethmacdst[6]; + __u8 ethmacsrc[6]; + __be16 ethtype; + __be16 vlantci; +}; + +struct fw_eth_tx_pkts_vm_wr { + __be32 op_pkd; + __be32 equiq_to_len16; + __be32 r3; + __be16 plen; + __u8 npkt; + __u8 r4; + __u8 ethmacdst[6]; + __u8 ethmacsrc[6]; + __be16 ethtype; + __be16 vlantci; +}; + +/* filter wr reply code in cookie in CPL_SET_TCB_RPL */ +enum fw_filter_wr_cookie { + FW_FILTER_WR_SUCCESS, + FW_FILTER_WR_FLT_ADDED, + FW_FILTER_WR_FLT_DELETED, + FW_FILTER_WR_SMT_TBL_FULL, + FW_FILTER_WR_EINVAL, +}; + +struct fw_filter2_wr { + __be32 op_pkd; + __be32 len16_pkd; + __be64 r3; + __be32 tid_to_iq; + __be32 del_filter_to_l2tix; + __be16 ethtype; + __be16 ethtypem; + __u8 frag_to_ovlan_vldm; + __u8 smac_sel; + __be16 rx_chan_rx_rpl_iq; + __be32 maci_to_matchtypem; + __u8 ptcl; + __u8 ptclm; + __u8 ttyp; + __u8 ttypm; + __be16 ivlan; + __be16 ivlanm; + __be16 ovlan; + __be16 ovlanm; + __u8 lip[16]; + __u8 lipm[16]; + __u8 fip[16]; + __u8 fipm[16]; + __be16 lp; + __be16 lpm; + __be16 fp; + __be16 fpm; + __be16 r7; + __u8 sma[6]; + __be16 r8; + __u8 filter_type_swapmac; + __u8 natmode_to_ulp_type; + __be16 newlport; + __be16 newfport; + __u8 newlip[16]; + __u8 newfip[16]; + __be32 natseqcheck; + __be32 r9; + __be64 r10; + __be64 r11; + __be64 r12; + __be64 r13; +}; + +#define S_FW_FILTER_WR_TID 12 +#define V_FW_FILTER_WR_TID(x) ((x) << S_FW_FILTER_WR_TID) + +#define S_FW_FILTER_WR_RQTYPE 11 +#define V_FW_FILTER_WR_RQTYPE(x) ((x) << S_FW_FILTER_WR_RQTYPE) + +#define S_FW_FILTER_WR_NOREPLY 10 +#define V_FW_FILTER_WR_NOREPLY(x) ((x) << S_FW_FILTER_WR_NOREPLY) + +#define S_FW_FILTER_WR_IQ 0 +#define V_FW_FILTER_WR_IQ(x) ((x) << S_FW_FILTER_WR_IQ) + +#define S_FW_FILTER_WR_DEL_FILTER 31 +#define V_FW_FILTER_WR_DEL_FILTER(x) ((x) << S_FW_FILTER_WR_DEL_FILTER) +#define F_FW_FILTER_WR_DEL_FILTER V_FW_FILTER_WR_DEL_FILTER(1U) + +#define S_FW_FILTER_WR_RPTTID 25 +#define V_FW_FILTER_WR_RPTTID(x) ((x) << S_FW_FILTER_WR_RPTTID) + +#define S_FW_FILTER_WR_DROP 24 +#define V_FW_FILTER_WR_DROP(x) ((x) << S_FW_FILTER_WR_DROP) + +#define S_FW_FILTER_WR_DIRSTEER 23 +#define V_FW_FILTER_WR_DIRSTEER(x) ((x) << S_FW_FILTER_WR_DIRSTEER) + +#define S_FW_FILTER_WR_MASKHASH 22 +#define V_FW_FILTER_WR_MASKHASH(x) ((x) << S_FW_FILTER_WR_MASKHASH) + +#define S_FW_FILTER_WR_DIRSTEERHASH 21 +#define V_FW_FILTER_WR_DIRSTEERHASH(x) ((x) << S_FW_FILTER_WR_DIRSTEERHASH) + +#define S_FW_FILTER_WR_LPBK 20 +#define V_FW_FILTER_WR_LPBK(x) ((x) << S_FW_FILTER_WR_LPBK) + +#define S_FW_FILTER_WR_DMAC 19 +#define V_FW_FILTER_WR_DMAC(x) ((x) << S_FW_FILTER_WR_DMAC) + +#define S_FW_FILTER_WR_SMAC 18 +#define V_FW_FILTER_WR_SMAC(x) ((x) << S_FW_FILTER_WR_SMAC) + +#define S_FW_FILTER_WR_INSVLAN 17 +#define V_FW_FILTER_WR_INSVLAN(x) ((x) << S_FW_FILTER_WR_INSVLAN) + +#define S_FW_FILTER_WR_RMVLAN 16 +#define V_FW_FILTER_WR_RMVLAN(x) ((x) << S_FW_FILTER_WR_RMVLAN) + +#define S_FW_FILTER_WR_HITCNTS 15 +#define V_FW_FILTER_WR_HITCNTS(x) ((x) << S_FW_FILTER_WR_HITCNTS) + +#define S_FW_FILTER_WR_TXCHAN 13 +#define V_FW_FILTER_WR_TXCHAN(x) ((x) << S_FW_FILTER_WR_TXCHAN) + +#define S_FW_FILTER_WR_PRIO 12 +#define V_FW_FILTER_WR_PRIO(x) ((x) << S_FW_FILTER_WR_PRIO) + +#define S_FW_FILTER_WR_L2TIX 0 +#define V_FW_FILTER_WR_L2TIX(x) ((x) << S_FW_FILTER_WR_L2TIX) + +#define S_FW_FILTER_WR_FRAG 7 +#define V_FW_FILTER_WR_FRAG(x) ((x) << S_FW_FILTER_WR_FRAG) + +#define S_FW_FILTER_WR_FRAGM 6 +#define V_FW_FILTER_WR_FRAGM(x) ((x) << S_FW_FILTER_WR_FRAGM) + +#define S_FW_FILTER_WR_IVLAN_VLD 5 +#define V_FW_FILTER_WR_IVLAN_VLD(x) ((x) << S_FW_FILTER_WR_IVLAN_VLD) + +#define S_FW_FILTER_WR_OVLAN_VLD 4 +#define V_FW_FILTER_WR_OVLAN_VLD(x) ((x) << S_FW_FILTER_WR_OVLAN_VLD) + +#define S_FW_FILTER_WR_IVLAN_VLDM 3 +#define V_FW_FILTER_WR_IVLAN_VLDM(x) ((x) << S_FW_FILTER_WR_IVLAN_VLDM) + +#define S_FW_FILTER_WR_OVLAN_VLDM 2 +#define V_FW_FILTER_WR_OVLAN_VLDM(x) ((x) << S_FW_FILTER_WR_OVLAN_VLDM) + +#define S_FW_FILTER_WR_RX_CHAN 15 +#define V_FW_FILTER_WR_RX_CHAN(x) ((x) << S_FW_FILTER_WR_RX_CHAN) + +#define S_FW_FILTER_WR_RX_RPL_IQ 0 +#define V_FW_FILTER_WR_RX_RPL_IQ(x) ((x) << S_FW_FILTER_WR_RX_RPL_IQ) + +#define S_FW_FILTER_WR_MACI 23 +#define V_FW_FILTER_WR_MACI(x) ((x) << S_FW_FILTER_WR_MACI) + +#define S_FW_FILTER_WR_MACIM 14 +#define V_FW_FILTER_WR_MACIM(x) ((x) << S_FW_FILTER_WR_MACIM) + +#define S_FW_FILTER_WR_FCOE 13 +#define V_FW_FILTER_WR_FCOE(x) ((x) << S_FW_FILTER_WR_FCOE) + +#define S_FW_FILTER_WR_FCOEM 12 +#define V_FW_FILTER_WR_FCOEM(x) ((x) << S_FW_FILTER_WR_FCOEM) + +#define S_FW_FILTER_WR_PORT 9 +#define V_FW_FILTER_WR_PORT(x) ((x) << S_FW_FILTER_WR_PORT) + +#define S_FW_FILTER_WR_PORTM 6 +#define V_FW_FILTER_WR_PORTM(x) ((x) << S_FW_FILTER_WR_PORTM) + +#define S_FW_FILTER_WR_MATCHTYPE 3 +#define V_FW_FILTER_WR_MATCHTYPE(x) ((x) << S_FW_FILTER_WR_MATCHTYPE) + +#define S_FW_FILTER_WR_MATCHTYPEM 0 +#define V_FW_FILTER_WR_MATCHTYPEM(x) ((x) << S_FW_FILTER_WR_MATCHTYPEM) + +#define S_FW_FILTER2_WR_SWAPMAC 0 +#define V_FW_FILTER2_WR_SWAPMAC(x) ((x) << S_FW_FILTER2_WR_SWAPMAC) + +#define S_FW_FILTER2_WR_NATMODE 5 +#define V_FW_FILTER2_WR_NATMODE(x) ((x) << S_FW_FILTER2_WR_NATMODE) + +#define S_FW_FILTER2_WR_ULP_TYPE 0 +#define V_FW_FILTER2_WR_ULP_TYPE(x) ((x) << S_FW_FILTER2_WR_ULP_TYPE) + +/****************************************************************************** + * C O M M A N D s + *********************/ + +/* + * The maximum length of time, in miliseconds, that we expect any firmware + * command to take to execute and return a reply to the host. The RESET + * and INITIALIZE commands can take a fair amount of time to execute but + * most execute in far less time than this maximum. This constant is used + * by host software to determine how long to wait for a firmware command + * reply before declaring the firmware as dead/unreachable ... + */ +#define FW_CMD_MAX_TIMEOUT 10000 + +/* + * If a host driver does a HELLO and discovers that there's already a MASTER + * selected, we may have to wait for that MASTER to finish issuing RESET, + * configuration and INITIALIZE commands. Also, there's a possibility that + * our own HELLO may get lost if it happens right as the MASTER is issuign a + * RESET command, so we need to be willing to make a few retries of our HELLO. + */ +#define FW_CMD_HELLO_TIMEOUT (3 * FW_CMD_MAX_TIMEOUT) +#define FW_CMD_HELLO_RETRIES 3 + +enum fw_cmd_opcodes { + FW_LDST_CMD = 0x01, + FW_RESET_CMD = 0x03, + FW_HELLO_CMD = 0x04, + FW_BYE_CMD = 0x05, + FW_INITIALIZE_CMD = 0x06, + FW_CAPS_CONFIG_CMD = 0x07, + FW_PARAMS_CMD = 0x08, + FW_PFVF_CMD = 0x09, + FW_IQ_CMD = 0x10, + FW_EQ_ETH_CMD = 0x12, + FW_EQ_CTRL_CMD = 0x13, + FW_VI_CMD = 0x14, + FW_VI_MAC_CMD = 0x15, + FW_VI_RXMODE_CMD = 0x16, + FW_VI_ENABLE_CMD = 0x17, + FW_VI_STATS_CMD = 0x1a, + FW_PORT_CMD = 0x1b, + FW_RSS_IND_TBL_CMD = 0x20, + FW_RSS_GLB_CONFIG_CMD = 0x22, + FW_RSS_VI_CONFIG_CMD = 0x23, + FW_CLIP_CMD = 0x28, + FW_DEBUG_CMD = 0x81, +}; + +enum fw_cmd_cap { + FW_CMD_CAP_PORT = 0x04, +}; + +/* + * Generic command header flit0 + */ +struct fw_cmd_hdr { + __be32 hi; + __be32 lo; +}; + +#define S_FW_CMD_OP 24 +#define M_FW_CMD_OP 0xff +#define V_FW_CMD_OP(x) ((x) << S_FW_CMD_OP) +#define G_FW_CMD_OP(x) (((x) >> S_FW_CMD_OP) & M_FW_CMD_OP) + +#define S_FW_CMD_REQUEST 23 +#define M_FW_CMD_REQUEST 0x1 +#define V_FW_CMD_REQUEST(x) ((x) << S_FW_CMD_REQUEST) +#define G_FW_CMD_REQUEST(x) (((x) >> S_FW_CMD_REQUEST) & M_FW_CMD_REQUEST) +#define F_FW_CMD_REQUEST V_FW_CMD_REQUEST(1U) + +#define S_FW_CMD_READ 22 +#define M_FW_CMD_READ 0x1 +#define V_FW_CMD_READ(x) ((x) << S_FW_CMD_READ) +#define G_FW_CMD_READ(x) (((x) >> S_FW_CMD_READ) & M_FW_CMD_READ) +#define F_FW_CMD_READ V_FW_CMD_READ(1U) + +#define S_FW_CMD_WRITE 21 +#define M_FW_CMD_WRITE 0x1 +#define V_FW_CMD_WRITE(x) ((x) << S_FW_CMD_WRITE) +#define G_FW_CMD_WRITE(x) (((x) >> S_FW_CMD_WRITE) & M_FW_CMD_WRITE) +#define F_FW_CMD_WRITE V_FW_CMD_WRITE(1U) + +#define S_FW_CMD_EXEC 20 +#define M_FW_CMD_EXEC 0x1 +#define V_FW_CMD_EXEC(x) ((x) << S_FW_CMD_EXEC) +#define G_FW_CMD_EXEC(x) (((x) >> S_FW_CMD_EXEC) & M_FW_CMD_EXEC) +#define F_FW_CMD_EXEC V_FW_CMD_EXEC(1U) + +#define S_FW_CMD_RETVAL 8 +#define M_FW_CMD_RETVAL 0xff +#define V_FW_CMD_RETVAL(x) ((x) << S_FW_CMD_RETVAL) +#define G_FW_CMD_RETVAL(x) (((x) >> S_FW_CMD_RETVAL) & M_FW_CMD_RETVAL) + +#define S_FW_CMD_LEN16 0 +#define M_FW_CMD_LEN16 0xff +#define V_FW_CMD_LEN16(x) ((x) << S_FW_CMD_LEN16) +#define G_FW_CMD_LEN16(x) (((x) >> S_FW_CMD_LEN16) & M_FW_CMD_LEN16) + +#define FW_LEN16(fw_struct) V_FW_CMD_LEN16(sizeof(fw_struct) / 16) + +/* address spaces + */ +enum fw_ldst_addrspc { + FW_LDST_ADDRSPC_TP_PIO = 0x0010, +}; + +struct fw_ldst_cmd { + __be32 op_to_addrspace; + __be32 cycles_to_len16; + union fw_ldst { + struct fw_ldst_addrval { + __be32 addr; + __be32 val; + } addrval; + struct fw_ldst_idctxt { + __be32 physid; + __be32 msg_ctxtflush; + __be32 ctxt_data7; + __be32 ctxt_data6; + __be32 ctxt_data5; + __be32 ctxt_data4; + __be32 ctxt_data3; + __be32 ctxt_data2; + __be32 ctxt_data1; + __be32 ctxt_data0; + } idctxt; + struct fw_ldst_mdio { + __be16 paddr_mmd; + __be16 raddr; + __be16 vctl; + __be16 rval; + } mdio; + struct fw_ldst_mps { + __be16 fid_ctl; + __be16 rplcpf_pkd; + __be32 rplc127_96; + __be32 rplc95_64; + __be32 rplc63_32; + __be32 rplc31_0; + __be32 atrb; + __be16 vlan[16]; + } mps; + struct fw_ldst_func { + __u8 access_ctl; + __u8 mod_index; + __be16 ctl_id; + __be32 offset; + __be64 data0; + __be64 data1; + } func; + struct fw_ldst_pcie { + __u8 ctrl_to_fn; + __u8 bnum; + __u8 r; + __u8 ext_r; + __u8 select_naccess; + __u8 pcie_fn; + __be16 nset_pkd; + __be32 data[12]; + } pcie; + struct fw_ldst_i2c_deprecated { + __u8 pid_pkd; + __u8 base; + __u8 boffset; + __u8 data; + __be32 r9; + } i2c_deprecated; + struct fw_ldst_i2c { + __u8 pid; + __u8 did; + __u8 boffset; + __u8 blen; + __be32 r9; + __u8 data[48]; + } i2c; + struct fw_ldst_le { + __be32 index; + __be32 r9; + __u8 val[33]; + __u8 r11[7]; + } le; + } u; +}; + +#define S_FW_LDST_CMD_ADDRSPACE 0 +#define M_FW_LDST_CMD_ADDRSPACE 0xff +#define V_FW_LDST_CMD_ADDRSPACE(x) ((x) << S_FW_LDST_CMD_ADDRSPACE) + +struct fw_reset_cmd { + __be32 op_to_write; + __be32 retval_len16; + __be32 val; + __be32 halt_pkd; +}; + +#define S_FW_RESET_CMD_HALT 31 +#define M_FW_RESET_CMD_HALT 0x1 +#define V_FW_RESET_CMD_HALT(x) ((x) << S_FW_RESET_CMD_HALT) +#define G_FW_RESET_CMD_HALT(x) \ + (((x) >> S_FW_RESET_CMD_HALT) & M_FW_RESET_CMD_HALT) +#define F_FW_RESET_CMD_HALT V_FW_RESET_CMD_HALT(1U) + +enum { + FW_HELLO_CMD_STAGE_OS = 0, +}; + +struct fw_hello_cmd { + __be32 op_to_write; + __be32 retval_len16; + __be32 err_to_clearinit; + __be32 fwrev; +}; + +#define S_FW_HELLO_CMD_ERR 31 +#define M_FW_HELLO_CMD_ERR 0x1 +#define V_FW_HELLO_CMD_ERR(x) ((x) << S_FW_HELLO_CMD_ERR) +#define G_FW_HELLO_CMD_ERR(x) \ + (((x) >> S_FW_HELLO_CMD_ERR) & M_FW_HELLO_CMD_ERR) +#define F_FW_HELLO_CMD_ERR V_FW_HELLO_CMD_ERR(1U) + +#define S_FW_HELLO_CMD_INIT 30 +#define M_FW_HELLO_CMD_INIT 0x1 +#define V_FW_HELLO_CMD_INIT(x) ((x) << S_FW_HELLO_CMD_INIT) +#define G_FW_HELLO_CMD_INIT(x) \ + (((x) >> S_FW_HELLO_CMD_INIT) & M_FW_HELLO_CMD_INIT) +#define F_FW_HELLO_CMD_INIT V_FW_HELLO_CMD_INIT(1U) + +#define S_FW_HELLO_CMD_MASTERDIS 29 +#define M_FW_HELLO_CMD_MASTERDIS 0x1 +#define V_FW_HELLO_CMD_MASTERDIS(x) ((x) << S_FW_HELLO_CMD_MASTERDIS) +#define G_FW_HELLO_CMD_MASTERDIS(x) \ + (((x) >> S_FW_HELLO_CMD_MASTERDIS) & M_FW_HELLO_CMD_MASTERDIS) +#define F_FW_HELLO_CMD_MASTERDIS V_FW_HELLO_CMD_MASTERDIS(1U) + +#define S_FW_HELLO_CMD_MASTERFORCE 28 +#define M_FW_HELLO_CMD_MASTERFORCE 0x1 +#define V_FW_HELLO_CMD_MASTERFORCE(x) ((x) << S_FW_HELLO_CMD_MASTERFORCE) +#define G_FW_HELLO_CMD_MASTERFORCE(x) \ + (((x) >> S_FW_HELLO_CMD_MASTERFORCE) & M_FW_HELLO_CMD_MASTERFORCE) +#define F_FW_HELLO_CMD_MASTERFORCE V_FW_HELLO_CMD_MASTERFORCE(1U) + +#define S_FW_HELLO_CMD_MBMASTER 24 +#define M_FW_HELLO_CMD_MBMASTER 0xf +#define V_FW_HELLO_CMD_MBMASTER(x) ((x) << S_FW_HELLO_CMD_MBMASTER) +#define G_FW_HELLO_CMD_MBMASTER(x) \ + (((x) >> S_FW_HELLO_CMD_MBMASTER) & M_FW_HELLO_CMD_MBMASTER) + +#define S_FW_HELLO_CMD_MBASYNCNOT 20 +#define M_FW_HELLO_CMD_MBASYNCNOT 0x7 +#define V_FW_HELLO_CMD_MBASYNCNOT(x) ((x) << S_FW_HELLO_CMD_MBASYNCNOT) +#define G_FW_HELLO_CMD_MBASYNCNOT(x) \ + (((x) >> S_FW_HELLO_CMD_MBASYNCNOT) & M_FW_HELLO_CMD_MBASYNCNOT) + +#define S_FW_HELLO_CMD_STAGE 17 +#define M_FW_HELLO_CMD_STAGE 0x7 +#define V_FW_HELLO_CMD_STAGE(x) ((x) << S_FW_HELLO_CMD_STAGE) +#define G_FW_HELLO_CMD_STAGE(x) \ + (((x) >> S_FW_HELLO_CMD_STAGE) & M_FW_HELLO_CMD_STAGE) + +#define S_FW_HELLO_CMD_CLEARINIT 16 +#define M_FW_HELLO_CMD_CLEARINIT 0x1 +#define V_FW_HELLO_CMD_CLEARINIT(x) ((x) << S_FW_HELLO_CMD_CLEARINIT) +#define G_FW_HELLO_CMD_CLEARINIT(x) \ + (((x) >> S_FW_HELLO_CMD_CLEARINIT) & M_FW_HELLO_CMD_CLEARINIT) +#define F_FW_HELLO_CMD_CLEARINIT V_FW_HELLO_CMD_CLEARINIT(1U) + +struct fw_bye_cmd { + __be32 op_to_write; + __be32 retval_len16; + __be64 r3; +}; + +struct fw_initialize_cmd { + __be32 op_to_write; + __be32 retval_len16; + __be64 r3; +}; + +enum fw_caps_config_nic { + FW_CAPS_CONFIG_NIC_HASHFILTER = 0x00000020, + FW_CAPS_CONFIG_NIC_ETHOFLD = 0x00000040, +}; + +enum fw_memtype_cf { + FW_MEMTYPE_CF_FLASH = FW_MEMTYPE_FLASH, +}; + +struct fw_caps_config_cmd { + __be32 op_to_write; + __be32 cfvalid_to_len16; + __be32 r2; + __be32 hwmbitmap; + __be16 nbmcaps; + __be16 linkcaps; + __be16 switchcaps; + __be16 r3; + __be16 niccaps; + __be16 toecaps; + __be16 rdmacaps; + __be16 r4; + __be16 iscsicaps; + __be16 fcoecaps; + __be32 cfcsum; + __be32 finiver; + __be32 finicsum; +}; + +#define S_FW_CAPS_CONFIG_CMD_CFVALID 27 +#define M_FW_CAPS_CONFIG_CMD_CFVALID 0x1 +#define V_FW_CAPS_CONFIG_CMD_CFVALID(x) ((x) << S_FW_CAPS_CONFIG_CMD_CFVALID) +#define G_FW_CAPS_CONFIG_CMD_CFVALID(x) \ + (((x) >> S_FW_CAPS_CONFIG_CMD_CFVALID) & M_FW_CAPS_CONFIG_CMD_CFVALID) +#define F_FW_CAPS_CONFIG_CMD_CFVALID V_FW_CAPS_CONFIG_CMD_CFVALID(1U) + +#define S_FW_CAPS_CONFIG_CMD_MEMTYPE_CF 24 +#define M_FW_CAPS_CONFIG_CMD_MEMTYPE_CF 0x7 +#define V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(x) \ + ((x) << S_FW_CAPS_CONFIG_CMD_MEMTYPE_CF) +#define G_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(x) \ + (((x) >> S_FW_CAPS_CONFIG_CMD_MEMTYPE_CF) & \ + M_FW_CAPS_CONFIG_CMD_MEMTYPE_CF) + +#define S_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF 16 +#define M_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF 0xff +#define V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(x) \ + ((x) << S_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF) +#define G_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(x) \ + (((x) >> S_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF) & \ + M_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF) + +/* + * params command mnemonics + */ +enum fw_params_mnem { + FW_PARAMS_MNEM_DEV = 1, /* device params */ + FW_PARAMS_MNEM_PFVF = 2, /* function params */ + FW_PARAMS_MNEM_REG = 3, /* limited register access */ + FW_PARAMS_MNEM_DMAQ = 4, /* dma queue params */ +}; + +/* + * device parameters + */ + +#define S_FW_PARAMS_PARAM_FILTER_MODE 16 +#define M_FW_PARAMS_PARAM_FILTER_MODE 0xffff +#define V_FW_PARAMS_PARAM_FILTER_MODE(x) \ + ((x) << S_FW_PARAMS_PARAM_FILTER_MODE) +#define G_FW_PARAMS_PARAM_FILTER_MODE(x) \ + (((x) >> S_FW_PARAMS_PARAM_FILTER_MODE) & \ + M_FW_PARAMS_PARAM_FILTER_MODE) + +#define S_FW_PARAMS_PARAM_FILTER_MASK 0 +#define M_FW_PARAMS_PARAM_FILTER_MASK 0xffff +#define V_FW_PARAMS_PARAM_FILTER_MASK(x) \ + ((x) << S_FW_PARAMS_PARAM_FILTER_MASK) +#define G_FW_PARAMS_PARAM_FILTER_MASK(x) \ + (((x) >> S_FW_PARAMS_PARAM_FILTER_MASK) & \ + M_FW_PARAMS_PARAM_FILTER_MASK) + +enum fw_params_param_dev { + FW_PARAMS_PARAM_DEV_CCLK = 0x00, /* chip core clock in khz */ + FW_PARAMS_PARAM_DEV_PORTVEC = 0x01, /* the port vector */ + FW_PARAMS_PARAM_DEV_NTID = 0x02, /* reads the number of TIDs + * allocated by the device's + * Lookup Engine + */ + FW_PARAMS_PARAM_DEV_FWREV = 0x0B, /* fw version */ + FW_PARAMS_PARAM_DEV_TPREV = 0x0C, /* tp version */ + FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17, + FW_PARAMS_PARAM_DEV_FILTER2_WR = 0x1D, + FW_PARAMS_PARAM_DEV_OPAQUE_VIID_SMT_EXTN = 0x27, + FW_PARAMS_PARAM_DEV_FILTER = 0x2E, +}; + +/* + * physical and virtual function parameters + */ +enum fw_params_param_pfvf { + FW_PARAMS_PARAM_PFVF_CLIP_START = 0x03, + FW_PARAMS_PARAM_PFVF_CLIP_END = 0x04, + FW_PARAMS_PARAM_PFVF_FILTER_START = 0x05, + FW_PARAMS_PARAM_PFVF_FILTER_END = 0x06, + FW_PARAMS_PARAM_PFVF_L2T_START = 0x13, + FW_PARAMS_PARAM_PFVF_L2T_END = 0x14, + FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP = 0x31, + FW_PARAMS_PARAM_PFVF_PORT_CAPS32 = 0x3A, + FW_PARAMS_PARAM_PFVF_MAX_PKTS_PER_ETH_TX_PKTS_WR = 0x3D, + FW_PARAMS_PARAM_PFVF_GET_SMT_START = 0x3E, + FW_PARAMS_PARAM_PFVF_GET_SMT_SIZE = 0x3F, +}; + +/* + * dma queue parameters + */ +enum fw_params_param_dmaq { + FW_PARAMS_PARAM_DMAQ_IQ_INTCNTTHRESH = 0x01, + FW_PARAMS_PARAM_DMAQ_CONM_CTXT = 0x20, +}; + +enum fw_params_param_dev_filter { + FW_PARAM_DEV_FILTER_VNIC_MODE = 0x00, + FW_PARAM_DEV_FILTER_MODE_MASK = 0x01, +}; + +#define S_FW_PARAMS_MNEM 24 +#define M_FW_PARAMS_MNEM 0xff +#define V_FW_PARAMS_MNEM(x) ((x) << S_FW_PARAMS_MNEM) +#define G_FW_PARAMS_MNEM(x) \ + (((x) >> S_FW_PARAMS_MNEM) & M_FW_PARAMS_MNEM) + +#define S_FW_PARAMS_PARAM_X 16 +#define M_FW_PARAMS_PARAM_X 0xff +#define V_FW_PARAMS_PARAM_X(x) ((x) << S_FW_PARAMS_PARAM_X) +#define G_FW_PARAMS_PARAM_X(x) \ + (((x) >> S_FW_PARAMS_PARAM_X) & M_FW_PARAMS_PARAM_X) + +#define S_FW_PARAMS_PARAM_Y 8 +#define M_FW_PARAMS_PARAM_Y 0xff +#define V_FW_PARAMS_PARAM_Y(x) ((x) << S_FW_PARAMS_PARAM_Y) +#define G_FW_PARAMS_PARAM_Y(x) \ + (((x) >> S_FW_PARAMS_PARAM_Y) & M_FW_PARAMS_PARAM_Y) + +#define S_FW_PARAMS_PARAM_Z 0 +#define M_FW_PARAMS_PARAM_Z 0xff +#define V_FW_PARAMS_PARAM_Z(x) ((x) << S_FW_PARAMS_PARAM_Z) +#define G_FW_PARAMS_PARAM_Z(x) \ + (((x) >> S_FW_PARAMS_PARAM_Z) & M_FW_PARAMS_PARAM_Z) + +#define S_FW_PARAMS_PARAM_YZ 0 +#define M_FW_PARAMS_PARAM_YZ 0xffff +#define V_FW_PARAMS_PARAM_YZ(x) ((x) << S_FW_PARAMS_PARAM_YZ) +#define G_FW_PARAMS_PARAM_YZ(x) \ + (((x) >> S_FW_PARAMS_PARAM_YZ) & M_FW_PARAMS_PARAM_YZ) + +#define S_FW_PARAMS_PARAM_XYZ 0 +#define M_FW_PARAMS_PARAM_XYZ 0xffffff +#define V_FW_PARAMS_PARAM_XYZ(x) ((x) << S_FW_PARAMS_PARAM_XYZ) + +struct fw_params_cmd { + __be32 op_to_vfn; + __be32 retval_len16; + struct fw_params_param { + __be32 mnem; + __be32 val; + } param[7]; +}; + +#define S_FW_PARAMS_CMD_PFN 8 +#define M_FW_PARAMS_CMD_PFN 0x7 +#define V_FW_PARAMS_CMD_PFN(x) ((x) << S_FW_PARAMS_CMD_PFN) +#define G_FW_PARAMS_CMD_PFN(x) \ + (((x) >> S_FW_PARAMS_CMD_PFN) & M_FW_PARAMS_CMD_PFN) + +#define S_FW_PARAMS_CMD_VFN 0 +#define M_FW_PARAMS_CMD_VFN 0xff +#define V_FW_PARAMS_CMD_VFN(x) ((x) << S_FW_PARAMS_CMD_VFN) +#define G_FW_PARAMS_CMD_VFN(x) \ + (((x) >> S_FW_PARAMS_CMD_VFN) & M_FW_PARAMS_CMD_VFN) + +struct fw_pfvf_cmd { + __be32 op_to_vfn; + __be32 retval_len16; + __be32 niqflint_niq; + __be32 type_to_neq; + __be32 tc_to_nexactf; + __be32 r_caps_to_nethctrl; + __be16 nricq; + __be16 nriqp; + __be32 r4; +}; + +#define S_FW_PFVF_CMD_PFN 8 +#define V_FW_PFVF_CMD_PFN(x) ((x) << S_FW_PFVF_CMD_PFN) + +#define S_FW_PFVF_CMD_VFN 0 +#define V_FW_PFVF_CMD_VFN(x) ((x) << S_FW_PFVF_CMD_VFN) + +#define S_FW_PFVF_CMD_NIQFLINT 20 +#define M_FW_PFVF_CMD_NIQFLINT 0xfff +#define G_FW_PFVF_CMD_NIQFLINT(x) \ + (((x) >> S_FW_PFVF_CMD_NIQFLINT) & M_FW_PFVF_CMD_NIQFLINT) + +#define S_FW_PFVF_CMD_NIQ 0 +#define M_FW_PFVF_CMD_NIQ 0xfffff +#define G_FW_PFVF_CMD_NIQ(x) \ + (((x) >> S_FW_PFVF_CMD_NIQ) & M_FW_PFVF_CMD_NIQ) + +#define S_FW_PFVF_CMD_PMASK 20 +#define M_FW_PFVF_CMD_PMASK 0xf +#define G_FW_PFVF_CMD_PMASK(x) \ + (((x) >> S_FW_PFVF_CMD_PMASK) & M_FW_PFVF_CMD_PMASK) + +#define S_FW_PFVF_CMD_NEQ 0 +#define M_FW_PFVF_CMD_NEQ 0xfffff +#define G_FW_PFVF_CMD_NEQ(x) \ + (((x) >> S_FW_PFVF_CMD_NEQ) & M_FW_PFVF_CMD_NEQ) + +#define S_FW_PFVF_CMD_TC 24 +#define M_FW_PFVF_CMD_TC 0xff +#define G_FW_PFVF_CMD_TC(x) \ + (((x) >> S_FW_PFVF_CMD_TC) & M_FW_PFVF_CMD_TC) + +#define S_FW_PFVF_CMD_NVI 16 +#define M_FW_PFVF_CMD_NVI 0xff +#define G_FW_PFVF_CMD_NVI(x) \ + (((x) >> S_FW_PFVF_CMD_NVI) & M_FW_PFVF_CMD_NVI) + +#define S_FW_PFVF_CMD_NEXACTF 0 +#define M_FW_PFVF_CMD_NEXACTF 0xffff +#define G_FW_PFVF_CMD_NEXACTF(x) \ + (((x) >> S_FW_PFVF_CMD_NEXACTF) & M_FW_PFVF_CMD_NEXACTF) + +#define S_FW_PFVF_CMD_R_CAPS 24 +#define M_FW_PFVF_CMD_R_CAPS 0xff +#define G_FW_PFVF_CMD_R_CAPS(x) \ + (((x) >> S_FW_PFVF_CMD_R_CAPS) & M_FW_PFVF_CMD_R_CAPS) + +#define S_FW_PFVF_CMD_WX_CAPS 16 +#define M_FW_PFVF_CMD_WX_CAPS 0xff +#define G_FW_PFVF_CMD_WX_CAPS(x) \ + (((x) >> S_FW_PFVF_CMD_WX_CAPS) & M_FW_PFVF_CMD_WX_CAPS) + +#define S_FW_PFVF_CMD_NETHCTRL 0 +#define M_FW_PFVF_CMD_NETHCTRL 0xffff +#define G_FW_PFVF_CMD_NETHCTRL(x) \ + (((x) >> S_FW_PFVF_CMD_NETHCTRL) & M_FW_PFVF_CMD_NETHCTRL) + +/* + * ingress queue type; the first 1K ingress queues can have associated 0, + * 1 or 2 free lists and an interrupt, all other ingress queues lack these + * capabilities + */ +enum fw_iq_type { + FW_IQ_TYPE_FL_INT_CAP, +}; + +enum fw_iq_iqtype { + FW_IQ_IQTYPE_NIC = 1, + FW_IQ_IQTYPE_OFLD, +}; + +struct fw_iq_cmd { + __be32 op_to_vfn; + __be32 alloc_to_len16; + __be16 physiqid; + __be16 iqid; + __be16 fl0id; + __be16 fl1id; + __be32 type_to_iqandstindex; + __be16 iqdroprss_to_iqesize; + __be16 iqsize; + __be64 iqaddr; + __be32 iqns_to_fl0congen; + __be16 fl0dcaen_to_fl0cidxfthresh; + __be16 fl0size; + __be64 fl0addr; + __be32 fl1cngchmap_to_fl1congen; + __be16 fl1dcaen_to_fl1cidxfthresh; + __be16 fl1size; + __be64 fl1addr; +}; + +#define S_FW_IQ_CMD_PFN 8 +#define M_FW_IQ_CMD_PFN 0x7 +#define V_FW_IQ_CMD_PFN(x) ((x) << S_FW_IQ_CMD_PFN) +#define G_FW_IQ_CMD_PFN(x) (((x) >> S_FW_IQ_CMD_PFN) & M_FW_IQ_CMD_PFN) + +#define S_FW_IQ_CMD_VFN 0 +#define M_FW_IQ_CMD_VFN 0xff +#define V_FW_IQ_CMD_VFN(x) ((x) << S_FW_IQ_CMD_VFN) +#define G_FW_IQ_CMD_VFN(x) (((x) >> S_FW_IQ_CMD_VFN) & M_FW_IQ_CMD_VFN) + +#define S_FW_IQ_CMD_ALLOC 31 +#define M_FW_IQ_CMD_ALLOC 0x1 +#define V_FW_IQ_CMD_ALLOC(x) ((x) << S_FW_IQ_CMD_ALLOC) +#define G_FW_IQ_CMD_ALLOC(x) \ + (((x) >> S_FW_IQ_CMD_ALLOC) & M_FW_IQ_CMD_ALLOC) +#define F_FW_IQ_CMD_ALLOC V_FW_IQ_CMD_ALLOC(1U) + +#define S_FW_IQ_CMD_FREE 30 +#define M_FW_IQ_CMD_FREE 0x1 +#define V_FW_IQ_CMD_FREE(x) ((x) << S_FW_IQ_CMD_FREE) +#define G_FW_IQ_CMD_FREE(x) (((x) >> S_FW_IQ_CMD_FREE) & M_FW_IQ_CMD_FREE) +#define F_FW_IQ_CMD_FREE V_FW_IQ_CMD_FREE(1U) + +#define S_FW_IQ_CMD_IQSTART 28 +#define M_FW_IQ_CMD_IQSTART 0x1 +#define V_FW_IQ_CMD_IQSTART(x) ((x) << S_FW_IQ_CMD_IQSTART) +#define G_FW_IQ_CMD_IQSTART(x) \ + (((x) >> S_FW_IQ_CMD_IQSTART) & M_FW_IQ_CMD_IQSTART) +#define F_FW_IQ_CMD_IQSTART V_FW_IQ_CMD_IQSTART(1U) + +#define S_FW_IQ_CMD_IQSTOP 27 +#define M_FW_IQ_CMD_IQSTOP 0x1 +#define V_FW_IQ_CMD_IQSTOP(x) ((x) << S_FW_IQ_CMD_IQSTOP) +#define G_FW_IQ_CMD_IQSTOP(x) \ + (((x) >> S_FW_IQ_CMD_IQSTOP) & M_FW_IQ_CMD_IQSTOP) +#define F_FW_IQ_CMD_IQSTOP V_FW_IQ_CMD_IQSTOP(1U) + +#define S_FW_IQ_CMD_TYPE 29 +#define M_FW_IQ_CMD_TYPE 0x7 +#define V_FW_IQ_CMD_TYPE(x) ((x) << S_FW_IQ_CMD_TYPE) +#define G_FW_IQ_CMD_TYPE(x) (((x) >> S_FW_IQ_CMD_TYPE) & M_FW_IQ_CMD_TYPE) + +#define S_FW_IQ_CMD_IQASYNCH 28 +#define M_FW_IQ_CMD_IQASYNCH 0x1 +#define V_FW_IQ_CMD_IQASYNCH(x) ((x) << S_FW_IQ_CMD_IQASYNCH) +#define G_FW_IQ_CMD_IQASYNCH(x) \ + (((x) >> S_FW_IQ_CMD_IQASYNCH) & M_FW_IQ_CMD_IQASYNCH) +#define F_FW_IQ_CMD_IQASYNCH V_FW_IQ_CMD_IQASYNCH(1U) + +#define S_FW_IQ_CMD_VIID 16 +#define M_FW_IQ_CMD_VIID 0xfff +#define V_FW_IQ_CMD_VIID(x) ((x) << S_FW_IQ_CMD_VIID) +#define G_FW_IQ_CMD_VIID(x) (((x) >> S_FW_IQ_CMD_VIID) & M_FW_IQ_CMD_VIID) + +#define S_FW_IQ_CMD_IQANDST 15 +#define M_FW_IQ_CMD_IQANDST 0x1 +#define V_FW_IQ_CMD_IQANDST(x) ((x) << S_FW_IQ_CMD_IQANDST) +#define G_FW_IQ_CMD_IQANDST(x) \ + (((x) >> S_FW_IQ_CMD_IQANDST) & M_FW_IQ_CMD_IQANDST) +#define F_FW_IQ_CMD_IQANDST V_FW_IQ_CMD_IQANDST(1U) + +#define S_FW_IQ_CMD_IQANUD 12 +#define M_FW_IQ_CMD_IQANUD 0x3 +#define V_FW_IQ_CMD_IQANUD(x) ((x) << S_FW_IQ_CMD_IQANUD) +#define G_FW_IQ_CMD_IQANUD(x) \ + (((x) >> S_FW_IQ_CMD_IQANUD) & M_FW_IQ_CMD_IQANUD) + +#define S_FW_IQ_CMD_IQANDSTINDEX 0 +#define M_FW_IQ_CMD_IQANDSTINDEX 0xfff +#define V_FW_IQ_CMD_IQANDSTINDEX(x) ((x) << S_FW_IQ_CMD_IQANDSTINDEX) +#define G_FW_IQ_CMD_IQANDSTINDEX(x) \ + (((x) >> S_FW_IQ_CMD_IQANDSTINDEX) & M_FW_IQ_CMD_IQANDSTINDEX) + +#define S_FW_IQ_CMD_IQGTSMODE 14 +#define M_FW_IQ_CMD_IQGTSMODE 0x1 +#define V_FW_IQ_CMD_IQGTSMODE(x) ((x) << S_FW_IQ_CMD_IQGTSMODE) +#define G_FW_IQ_CMD_IQGTSMODE(x) \ + (((x) >> S_FW_IQ_CMD_IQGTSMODE) & M_FW_IQ_CMD_IQGTSMODE) +#define F_FW_IQ_CMD_IQGTSMODE V_FW_IQ_CMD_IQGTSMODE(1U) + +#define S_FW_IQ_CMD_IQPCIECH 12 +#define M_FW_IQ_CMD_IQPCIECH 0x3 +#define V_FW_IQ_CMD_IQPCIECH(x) ((x) << S_FW_IQ_CMD_IQPCIECH) +#define G_FW_IQ_CMD_IQPCIECH(x) \ + (((x) >> S_FW_IQ_CMD_IQPCIECH) & M_FW_IQ_CMD_IQPCIECH) + +#define S_FW_IQ_CMD_IQINTCNTTHRESH 4 +#define M_FW_IQ_CMD_IQINTCNTTHRESH 0x3 +#define V_FW_IQ_CMD_IQINTCNTTHRESH(x) ((x) << S_FW_IQ_CMD_IQINTCNTTHRESH) +#define G_FW_IQ_CMD_IQINTCNTTHRESH(x) \ + (((x) >> S_FW_IQ_CMD_IQINTCNTTHRESH) & M_FW_IQ_CMD_IQINTCNTTHRESH) + +#define S_FW_IQ_CMD_IQESIZE 0 +#define M_FW_IQ_CMD_IQESIZE 0x3 +#define V_FW_IQ_CMD_IQESIZE(x) ((x) << S_FW_IQ_CMD_IQESIZE) +#define G_FW_IQ_CMD_IQESIZE(x) \ + (((x) >> S_FW_IQ_CMD_IQESIZE) & M_FW_IQ_CMD_IQESIZE) + +#define S_FW_IQ_CMD_IQRO 30 +#define M_FW_IQ_CMD_IQRO 0x1 +#define V_FW_IQ_CMD_IQRO(x) ((x) << S_FW_IQ_CMD_IQRO) +#define G_FW_IQ_CMD_IQRO(x) \ + (((x) >> S_FW_IQ_CMD_IQRO) & M_FW_IQ_CMD_IQRO) +#define F_FW_IQ_CMD_IQRO V_FW_IQ_CMD_IQRO(1U) + +#define S_FW_IQ_CMD_IQFLINTCONGEN 27 +#define M_FW_IQ_CMD_IQFLINTCONGEN 0x1 +#define V_FW_IQ_CMD_IQFLINTCONGEN(x) ((x) << S_FW_IQ_CMD_IQFLINTCONGEN) +#define G_FW_IQ_CMD_IQFLINTCONGEN(x) \ + (((x) >> S_FW_IQ_CMD_IQFLINTCONGEN) & M_FW_IQ_CMD_IQFLINTCONGEN) +#define F_FW_IQ_CMD_IQFLINTCONGEN V_FW_IQ_CMD_IQFLINTCONGEN(1U) + +#define S_FW_IQ_CMD_IQTYPE 24 +#define V_FW_IQ_CMD_IQTYPE(x) ((x) << S_FW_IQ_CMD_IQTYPE) + +#define S_FW_IQ_CMD_FL0CNGCHMAP 20 +#define M_FW_IQ_CMD_FL0CNGCHMAP 0xf +#define V_FW_IQ_CMD_FL0CNGCHMAP(x) ((x) << S_FW_IQ_CMD_FL0CNGCHMAP) +#define G_FW_IQ_CMD_FL0CNGCHMAP(x) \ + (((x) >> S_FW_IQ_CMD_FL0CNGCHMAP) & M_FW_IQ_CMD_FL0CNGCHMAP) + +#define S_FW_IQ_CMD_FL0DATARO 12 +#define M_FW_IQ_CMD_FL0DATARO 0x1 +#define V_FW_IQ_CMD_FL0DATARO(x) ((x) << S_FW_IQ_CMD_FL0DATARO) +#define G_FW_IQ_CMD_FL0DATARO(x) \ + (((x) >> S_FW_IQ_CMD_FL0DATARO) & M_FW_IQ_CMD_FL0DATARO) +#define F_FW_IQ_CMD_FL0DATARO V_FW_IQ_CMD_FL0DATARO(1U) + +#define S_FW_IQ_CMD_FL0CONGCIF 11 +#define M_FW_IQ_CMD_FL0CONGCIF 0x1 +#define V_FW_IQ_CMD_FL0CONGCIF(x) ((x) << S_FW_IQ_CMD_FL0CONGCIF) +#define G_FW_IQ_CMD_FL0CONGCIF(x) \ + (((x) >> S_FW_IQ_CMD_FL0CONGCIF) & M_FW_IQ_CMD_FL0CONGCIF) +#define F_FW_IQ_CMD_FL0CONGCIF V_FW_IQ_CMD_FL0CONGCIF(1U) + +#define S_FW_IQ_CMD_FL0FETCHRO 6 +#define M_FW_IQ_CMD_FL0FETCHRO 0x1 +#define V_FW_IQ_CMD_FL0FETCHRO(x) ((x) << S_FW_IQ_CMD_FL0FETCHRO) +#define G_FW_IQ_CMD_FL0FETCHRO(x) \ + (((x) >> S_FW_IQ_CMD_FL0FETCHRO) & M_FW_IQ_CMD_FL0FETCHRO) +#define F_FW_IQ_CMD_FL0FETCHRO V_FW_IQ_CMD_FL0FETCHRO(1U) + +#define S_FW_IQ_CMD_FL0HOSTFCMODE 4 +#define M_FW_IQ_CMD_FL0HOSTFCMODE 0x3 +#define V_FW_IQ_CMD_FL0HOSTFCMODE(x) ((x) << S_FW_IQ_CMD_FL0HOSTFCMODE) +#define G_FW_IQ_CMD_FL0HOSTFCMODE(x) \ + (((x) >> S_FW_IQ_CMD_FL0HOSTFCMODE) & M_FW_IQ_CMD_FL0HOSTFCMODE) + +#define S_FW_IQ_CMD_FL0PADEN 2 +#define M_FW_IQ_CMD_FL0PADEN 0x1 +#define V_FW_IQ_CMD_FL0PADEN(x) ((x) << S_FW_IQ_CMD_FL0PADEN) +#define G_FW_IQ_CMD_FL0PADEN(x) \ + (((x) >> S_FW_IQ_CMD_FL0PADEN) & M_FW_IQ_CMD_FL0PADEN) +#define F_FW_IQ_CMD_FL0PADEN V_FW_IQ_CMD_FL0PADEN(1U) + +#define S_FW_IQ_CMD_FL0PACKEN 1 +#define M_FW_IQ_CMD_FL0PACKEN 0x1 +#define V_FW_IQ_CMD_FL0PACKEN(x) ((x) << S_FW_IQ_CMD_FL0PACKEN) +#define G_FW_IQ_CMD_FL0PACKEN(x) \ + (((x) >> S_FW_IQ_CMD_FL0PACKEN) & M_FW_IQ_CMD_FL0PACKEN) +#define F_FW_IQ_CMD_FL0PACKEN V_FW_IQ_CMD_FL0PACKEN(1U) + +#define S_FW_IQ_CMD_FL0CONGEN 0 +#define M_FW_IQ_CMD_FL0CONGEN 0x1 +#define V_FW_IQ_CMD_FL0CONGEN(x) ((x) << S_FW_IQ_CMD_FL0CONGEN) +#define G_FW_IQ_CMD_FL0CONGEN(x) \ + (((x) >> S_FW_IQ_CMD_FL0CONGEN) & M_FW_IQ_CMD_FL0CONGEN) +#define F_FW_IQ_CMD_FL0CONGEN V_FW_IQ_CMD_FL0CONGEN(1U) + +#define S_FW_IQ_CMD_FL0FBMIN 7 +#define M_FW_IQ_CMD_FL0FBMIN 0x7 +#define V_FW_IQ_CMD_FL0FBMIN(x) ((x) << S_FW_IQ_CMD_FL0FBMIN) +#define G_FW_IQ_CMD_FL0FBMIN(x) \ + (((x) >> S_FW_IQ_CMD_FL0FBMIN) & M_FW_IQ_CMD_FL0FBMIN) + +#define S_FW_IQ_CMD_FL0FBMAX 4 +#define M_FW_IQ_CMD_FL0FBMAX 0x7 +#define V_FW_IQ_CMD_FL0FBMAX(x) ((x) << S_FW_IQ_CMD_FL0FBMAX) +#define G_FW_IQ_CMD_FL0FBMAX(x) \ + (((x) >> S_FW_IQ_CMD_FL0FBMAX) & M_FW_IQ_CMD_FL0FBMAX) + +struct fw_eq_eth_cmd { + __be32 op_to_vfn; + __be32 alloc_to_len16; + __be32 eqid_pkd; + __be32 physeqid_pkd; + __be32 fetchszm_to_iqid; + __be32 dcaen_to_eqsize; + __be64 eqaddr; + __be32 autoequiqe_to_viid; + __be32 r8_lo; + __be64 r9; +}; + +#define S_FW_EQ_ETH_CMD_PFN 8 +#define M_FW_EQ_ETH_CMD_PFN 0x7 +#define V_FW_EQ_ETH_CMD_PFN(x) ((x) << S_FW_EQ_ETH_CMD_PFN) +#define G_FW_EQ_ETH_CMD_PFN(x) \ + (((x) >> S_FW_EQ_ETH_CMD_PFN) & M_FW_EQ_ETH_CMD_PFN) + +#define S_FW_EQ_ETH_CMD_VFN 0 +#define M_FW_EQ_ETH_CMD_VFN 0xff +#define V_FW_EQ_ETH_CMD_VFN(x) ((x) << S_FW_EQ_ETH_CMD_VFN) +#define G_FW_EQ_ETH_CMD_VFN(x) \ + (((x) >> S_FW_EQ_ETH_CMD_VFN) & M_FW_EQ_ETH_CMD_VFN) + +#define S_FW_EQ_ETH_CMD_ALLOC 31 +#define M_FW_EQ_ETH_CMD_ALLOC 0x1 +#define V_FW_EQ_ETH_CMD_ALLOC(x) ((x) << S_FW_EQ_ETH_CMD_ALLOC) +#define G_FW_EQ_ETH_CMD_ALLOC(x) \ + (((x) >> S_FW_EQ_ETH_CMD_ALLOC) & M_FW_EQ_ETH_CMD_ALLOC) +#define F_FW_EQ_ETH_CMD_ALLOC V_FW_EQ_ETH_CMD_ALLOC(1U) + +#define S_FW_EQ_ETH_CMD_FREE 30 +#define M_FW_EQ_ETH_CMD_FREE 0x1 +#define V_FW_EQ_ETH_CMD_FREE(x) ((x) << S_FW_EQ_ETH_CMD_FREE) +#define G_FW_EQ_ETH_CMD_FREE(x) \ + (((x) >> S_FW_EQ_ETH_CMD_FREE) & M_FW_EQ_ETH_CMD_FREE) +#define F_FW_EQ_ETH_CMD_FREE V_FW_EQ_ETH_CMD_FREE(1U) + +#define S_FW_EQ_ETH_CMD_EQSTART 28 +#define M_FW_EQ_ETH_CMD_EQSTART 0x1 +#define V_FW_EQ_ETH_CMD_EQSTART(x) ((x) << S_FW_EQ_ETH_CMD_EQSTART) +#define G_FW_EQ_ETH_CMD_EQSTART(x) \ + (((x) >> S_FW_EQ_ETH_CMD_EQSTART) & M_FW_EQ_ETH_CMD_EQSTART) +#define F_FW_EQ_ETH_CMD_EQSTART V_FW_EQ_ETH_CMD_EQSTART(1U) + +#define S_FW_EQ_ETH_CMD_EQID 0 +#define M_FW_EQ_ETH_CMD_EQID 0xfffff +#define V_FW_EQ_ETH_CMD_EQID(x) ((x) << S_FW_EQ_ETH_CMD_EQID) +#define G_FW_EQ_ETH_CMD_EQID(x) \ + (((x) >> S_FW_EQ_ETH_CMD_EQID) & M_FW_EQ_ETH_CMD_EQID) + +#define S_FW_EQ_ETH_CMD_PHYSEQID 0 +#define M_FW_EQ_ETH_CMD_PHYSEQID 0xfffff +#define G_FW_EQ_ETH_CMD_PHYSEQID(x) \ + (((x) >> S_FW_EQ_ETH_CMD_PHYSEQID) & M_FW_EQ_ETH_CMD_PHYSEQID) + +#define S_FW_EQ_ETH_CMD_FETCHRO 22 +#define M_FW_EQ_ETH_CMD_FETCHRO 0x1 +#define V_FW_EQ_ETH_CMD_FETCHRO(x) ((x) << S_FW_EQ_ETH_CMD_FETCHRO) +#define G_FW_EQ_ETH_CMD_FETCHRO(x) \ + (((x) >> S_FW_EQ_ETH_CMD_FETCHRO) & M_FW_EQ_ETH_CMD_FETCHRO) +#define F_FW_EQ_ETH_CMD_FETCHRO V_FW_EQ_ETH_CMD_FETCHRO(1U) + +#define S_FW_EQ_ETH_CMD_HOSTFCMODE 20 +#define M_FW_EQ_ETH_CMD_HOSTFCMODE 0x3 +#define V_FW_EQ_ETH_CMD_HOSTFCMODE(x) ((x) << S_FW_EQ_ETH_CMD_HOSTFCMODE) +#define G_FW_EQ_ETH_CMD_HOSTFCMODE(x) \ + (((x) >> S_FW_EQ_ETH_CMD_HOSTFCMODE) & M_FW_EQ_ETH_CMD_HOSTFCMODE) + +#define S_FW_EQ_ETH_CMD_PCIECHN 16 +#define M_FW_EQ_ETH_CMD_PCIECHN 0x3 +#define V_FW_EQ_ETH_CMD_PCIECHN(x) ((x) << S_FW_EQ_ETH_CMD_PCIECHN) +#define G_FW_EQ_ETH_CMD_PCIECHN(x) \ + (((x) >> S_FW_EQ_ETH_CMD_PCIECHN) & M_FW_EQ_ETH_CMD_PCIECHN) + +#define S_FW_EQ_ETH_CMD_IQID 0 +#define M_FW_EQ_ETH_CMD_IQID 0xffff +#define V_FW_EQ_ETH_CMD_IQID(x) ((x) << S_FW_EQ_ETH_CMD_IQID) +#define G_FW_EQ_ETH_CMD_IQID(x) \ + (((x) >> S_FW_EQ_ETH_CMD_IQID) & M_FW_EQ_ETH_CMD_IQID) + +#define S_FW_EQ_ETH_CMD_FBMIN 23 +#define M_FW_EQ_ETH_CMD_FBMIN 0x7 +#define V_FW_EQ_ETH_CMD_FBMIN(x) ((x) << S_FW_EQ_ETH_CMD_FBMIN) +#define G_FW_EQ_ETH_CMD_FBMIN(x) \ + (((x) >> S_FW_EQ_ETH_CMD_FBMIN) & M_FW_EQ_ETH_CMD_FBMIN) + +#define S_FW_EQ_ETH_CMD_FBMAX 20 +#define M_FW_EQ_ETH_CMD_FBMAX 0x7 +#define V_FW_EQ_ETH_CMD_FBMAX(x) ((x) << S_FW_EQ_ETH_CMD_FBMAX) +#define G_FW_EQ_ETH_CMD_FBMAX(x) \ + (((x) >> S_FW_EQ_ETH_CMD_FBMAX) & M_FW_EQ_ETH_CMD_FBMAX) + +#define S_FW_EQ_ETH_CMD_CIDXFTHRESH 16 +#define M_FW_EQ_ETH_CMD_CIDXFTHRESH 0x7 +#define V_FW_EQ_ETH_CMD_CIDXFTHRESH(x) ((x) << S_FW_EQ_ETH_CMD_CIDXFTHRESH) +#define G_FW_EQ_ETH_CMD_CIDXFTHRESH(x) \ + (((x) >> S_FW_EQ_ETH_CMD_CIDXFTHRESH) & M_FW_EQ_ETH_CMD_CIDXFTHRESH) + +#define S_FW_EQ_ETH_CMD_EQSIZE 0 +#define M_FW_EQ_ETH_CMD_EQSIZE 0xffff +#define V_FW_EQ_ETH_CMD_EQSIZE(x) ((x) << S_FW_EQ_ETH_CMD_EQSIZE) +#define G_FW_EQ_ETH_CMD_EQSIZE(x) \ + (((x) >> S_FW_EQ_ETH_CMD_EQSIZE) & M_FW_EQ_ETH_CMD_EQSIZE) + +#define S_FW_EQ_ETH_CMD_AUTOEQUEQE 30 +#define M_FW_EQ_ETH_CMD_AUTOEQUEQE 0x1 +#define V_FW_EQ_ETH_CMD_AUTOEQUEQE(x) ((x) << S_FW_EQ_ETH_CMD_AUTOEQUEQE) +#define G_FW_EQ_ETH_CMD_AUTOEQUEQE(x) \ + (((x) >> S_FW_EQ_ETH_CMD_AUTOEQUEQE) & M_FW_EQ_ETH_CMD_AUTOEQUEQE) +#define F_FW_EQ_ETH_CMD_AUTOEQUEQE V_FW_EQ_ETH_CMD_AUTOEQUEQE(1U) + +#define S_FW_EQ_ETH_CMD_VIID 16 +#define M_FW_EQ_ETH_CMD_VIID 0xfff +#define V_FW_EQ_ETH_CMD_VIID(x) ((x) << S_FW_EQ_ETH_CMD_VIID) +#define G_FW_EQ_ETH_CMD_VIID(x) \ + (((x) >> S_FW_EQ_ETH_CMD_VIID) & M_FW_EQ_ETH_CMD_VIID) + +struct fw_eq_ctrl_cmd { + __be32 op_to_vfn; + __be32 alloc_to_len16; + __be32 cmpliqid_eqid; + __be32 physeqid_pkd; + __be32 fetchszm_to_iqid; + __be32 dcaen_to_eqsize; + __be64 eqaddr; +}; + +#define S_FW_EQ_CTRL_CMD_PFN 8 +#define V_FW_EQ_CTRL_CMD_PFN(x) ((x) << S_FW_EQ_CTRL_CMD_PFN) + +#define S_FW_EQ_CTRL_CMD_VFN 0 +#define V_FW_EQ_CTRL_CMD_VFN(x) ((x) << S_FW_EQ_CTRL_CMD_VFN) + +#define S_FW_EQ_CTRL_CMD_ALLOC 31 +#define V_FW_EQ_CTRL_CMD_ALLOC(x) ((x) << S_FW_EQ_CTRL_CMD_ALLOC) +#define F_FW_EQ_CTRL_CMD_ALLOC V_FW_EQ_CTRL_CMD_ALLOC(1U) + +#define S_FW_EQ_CTRL_CMD_FREE 30 +#define V_FW_EQ_CTRL_CMD_FREE(x) ((x) << S_FW_EQ_CTRL_CMD_FREE) +#define F_FW_EQ_CTRL_CMD_FREE V_FW_EQ_CTRL_CMD_FREE(1U) + +#define S_FW_EQ_CTRL_CMD_EQSTART 28 +#define V_FW_EQ_CTRL_CMD_EQSTART(x) ((x) << S_FW_EQ_CTRL_CMD_EQSTART) +#define F_FW_EQ_CTRL_CMD_EQSTART V_FW_EQ_CTRL_CMD_EQSTART(1U) + +#define S_FW_EQ_CTRL_CMD_CMPLIQID 20 +#define V_FW_EQ_CTRL_CMD_CMPLIQID(x) ((x) << S_FW_EQ_CTRL_CMD_CMPLIQID) + +#define S_FW_EQ_CTRL_CMD_EQID 0 +#define M_FW_EQ_CTRL_CMD_EQID 0xfffff +#define V_FW_EQ_CTRL_CMD_EQID(x) ((x) << S_FW_EQ_CTRL_CMD_EQID) +#define G_FW_EQ_CTRL_CMD_EQID(x) \ + (((x) >> S_FW_EQ_CTRL_CMD_EQID) & M_FW_EQ_CTRL_CMD_EQID) + +#define S_FW_EQ_CTRL_CMD_PHYSEQID 0 +#define M_FW_EQ_CTRL_CMD_PHYSEQID 0xfffff +#define V_FW_EQ_CTRL_CMD_PHYSEQID(x) ((x) << S_FW_EQ_CTRL_CMD_PHYSEQID) +#define G_FW_EQ_CTRL_CMD_PHYSEQID(x) \ + (((x) >> S_FW_EQ_CTRL_CMD_PHYSEQID) & M_FW_EQ_CTRL_CMD_PHYSEQID) + +#define S_FW_EQ_CTRL_CMD_FETCHRO 22 +#define V_FW_EQ_CTRL_CMD_FETCHRO(x) ((x) << S_FW_EQ_CTRL_CMD_FETCHRO) +#define F_FW_EQ_CTRL_CMD_FETCHRO V_FW_EQ_CTRL_CMD_FETCHRO(1U) + +#define S_FW_EQ_CTRL_CMD_HOSTFCMODE 20 +#define M_FW_EQ_CTRL_CMD_HOSTFCMODE 0x3 +#define V_FW_EQ_CTRL_CMD_HOSTFCMODE(x) ((x) << S_FW_EQ_CTRL_CMD_HOSTFCMODE) + +#define S_FW_EQ_CTRL_CMD_PCIECHN 16 +#define V_FW_EQ_CTRL_CMD_PCIECHN(x) ((x) << S_FW_EQ_CTRL_CMD_PCIECHN) + +#define S_FW_EQ_CTRL_CMD_IQID 0 +#define V_FW_EQ_CTRL_CMD_IQID(x) ((x) << S_FW_EQ_CTRL_CMD_IQID) + +#define S_FW_EQ_CTRL_CMD_FBMIN 23 +#define V_FW_EQ_CTRL_CMD_FBMIN(x) ((x) << S_FW_EQ_CTRL_CMD_FBMIN) + +#define S_FW_EQ_CTRL_CMD_FBMAX 20 +#define V_FW_EQ_CTRL_CMD_FBMAX(x) ((x) << S_FW_EQ_CTRL_CMD_FBMAX) + +#define S_FW_EQ_CTRL_CMD_CIDXFTHRESH 16 +#define V_FW_EQ_CTRL_CMD_CIDXFTHRESH(x) ((x) << S_FW_EQ_CTRL_CMD_CIDXFTHRESH) + +#define S_FW_EQ_CTRL_CMD_EQSIZE 0 +#define V_FW_EQ_CTRL_CMD_EQSIZE(x) ((x) << S_FW_EQ_CTRL_CMD_EQSIZE) + +enum fw_vi_func { + FW_VI_FUNC_ETH, +}; + +/* Macros for VIID parsing: + * VIID - [10:8] PFN, [7] VI Valid, [6:0] VI number + */ + +#define S_FW_VIID_VIVLD 7 +#define M_FW_VIID_VIVLD 0x1 +#define G_FW_VIID_VIVLD(x) (((x) >> S_FW_VIID_VIVLD) & M_FW_VIID_VIVLD) + +#define S_FW_VIID_VIN 0 +#define M_FW_VIID_VIN 0x7F +#define G_FW_VIID_VIN(x) (((x) >> S_FW_VIID_VIN) & M_FW_VIID_VIN) + +struct fw_vi_cmd { + __be32 op_to_vfn; + __be32 alloc_to_len16; + __be16 type_to_viid; + __u8 mac[6]; + __u8 portid_pkd; + __u8 nmac; + __u8 nmac0[6]; + __be16 norss_rsssize; + __u8 nmac1[6]; + __be16 idsiiq_pkd; + __u8 nmac2[6]; + __be16 idseiq_pkd; + __u8 nmac3[6]; + __be64 r9; + __be64 r10; +}; + +#define S_FW_VI_CMD_PFN 8 +#define M_FW_VI_CMD_PFN 0x7 +#define V_FW_VI_CMD_PFN(x) ((x) << S_FW_VI_CMD_PFN) +#define G_FW_VI_CMD_PFN(x) (((x) >> S_FW_VI_CMD_PFN) & M_FW_VI_CMD_PFN) + +#define S_FW_VI_CMD_VFN 0 +#define M_FW_VI_CMD_VFN 0xff +#define V_FW_VI_CMD_VFN(x) ((x) << S_FW_VI_CMD_VFN) +#define G_FW_VI_CMD_VFN(x) (((x) >> S_FW_VI_CMD_VFN) & M_FW_VI_CMD_VFN) + +#define S_FW_VI_CMD_ALLOC 31 +#define M_FW_VI_CMD_ALLOC 0x1 +#define V_FW_VI_CMD_ALLOC(x) ((x) << S_FW_VI_CMD_ALLOC) +#define G_FW_VI_CMD_ALLOC(x) \ + (((x) >> S_FW_VI_CMD_ALLOC) & M_FW_VI_CMD_ALLOC) +#define F_FW_VI_CMD_ALLOC V_FW_VI_CMD_ALLOC(1U) + +#define S_FW_VI_CMD_FREE 30 +#define M_FW_VI_CMD_FREE 0x1 +#define V_FW_VI_CMD_FREE(x) ((x) << S_FW_VI_CMD_FREE) +#define G_FW_VI_CMD_FREE(x) (((x) >> S_FW_VI_CMD_FREE) & M_FW_VI_CMD_FREE) +#define F_FW_VI_CMD_FREE V_FW_VI_CMD_FREE(1U) + +#define S_FW_VI_CMD_VFVLD 24 +#define M_FW_VI_CMD_VFVLD 0x1 +#define G_FW_VI_CMD_VFVLD(x) \ + (((x) >> S_FW_VI_CMD_VFVLD) & M_FW_VI_CMD_VFVLD) + +#define S_FW_VI_CMD_VIN 16 +#define M_FW_VI_CMD_VIN 0xff +#define G_FW_VI_CMD_VIN(x) \ + (((x) >> S_FW_VI_CMD_VIN) & M_FW_VI_CMD_VIN) + +#define S_FW_VI_CMD_TYPE 15 +#define M_FW_VI_CMD_TYPE 0x1 +#define V_FW_VI_CMD_TYPE(x) ((x) << S_FW_VI_CMD_TYPE) +#define G_FW_VI_CMD_TYPE(x) (((x) >> S_FW_VI_CMD_TYPE) & M_FW_VI_CMD_TYPE) +#define F_FW_VI_CMD_TYPE V_FW_VI_CMD_TYPE(1U) + +#define S_FW_VI_CMD_FUNC 12 +#define M_FW_VI_CMD_FUNC 0x7 +#define V_FW_VI_CMD_FUNC(x) ((x) << S_FW_VI_CMD_FUNC) +#define G_FW_VI_CMD_FUNC(x) (((x) >> S_FW_VI_CMD_FUNC) & M_FW_VI_CMD_FUNC) + +#define S_FW_VI_CMD_VIID 0 +#define M_FW_VI_CMD_VIID 0xfff +#define V_FW_VI_CMD_VIID(x) ((x) << S_FW_VI_CMD_VIID) +#define G_FW_VI_CMD_VIID(x) (((x) >> S_FW_VI_CMD_VIID) & M_FW_VI_CMD_VIID) + +#define S_FW_VI_CMD_PORTID 4 +#define M_FW_VI_CMD_PORTID 0xf +#define V_FW_VI_CMD_PORTID(x) ((x) << S_FW_VI_CMD_PORTID) +#define G_FW_VI_CMD_PORTID(x) \ + (((x) >> S_FW_VI_CMD_PORTID) & M_FW_VI_CMD_PORTID) + +#define S_FW_VI_CMD_RSSSIZE 0 +#define M_FW_VI_CMD_RSSSIZE 0x7ff +#define V_FW_VI_CMD_RSSSIZE(x) ((x) << S_FW_VI_CMD_RSSSIZE) +#define G_FW_VI_CMD_RSSSIZE(x) \ + (((x) >> S_FW_VI_CMD_RSSSIZE) & M_FW_VI_CMD_RSSSIZE) + +/* Special VI_MAC command index ids */ +#define FW_VI_MAC_ADD_MAC 0x3FF +#define FW_VI_MAC_ADD_PERSIST_MAC 0x3FE +#define FW_VI_MAC_ID_BASED_FREE 0x3FC + +enum fw_vi_mac_smac { + FW_VI_MAC_MPS_TCAM_ENTRY = 0x0, + FW_VI_MAC_SMT_AND_MPSTCAM = 0x3 +}; + +enum fw_vi_mac_entry_types { + FW_VI_MAC_TYPE_RAW = 0x2, +}; + +struct fw_vi_mac_cmd { + __be32 op_to_viid; + __be32 freemacs_to_len16; + union fw_vi_mac { + struct fw_vi_mac_exact { + __be16 valid_to_idx; + __u8 macaddr[6]; + } exact[7]; + struct fw_vi_mac_hash { + __be64 hashvec; + } hash; + struct fw_vi_mac_raw { + __be32 raw_idx_pkd; + __be32 data0_pkd; + __be32 data1[2]; + __be64 data0m_pkd; + __be32 data1m[2]; + } raw; + } u; +}; + +#define S_FW_VI_MAC_CMD_VIID 0 +#define M_FW_VI_MAC_CMD_VIID 0xfff +#define V_FW_VI_MAC_CMD_VIID(x) ((x) << S_FW_VI_MAC_CMD_VIID) +#define G_FW_VI_MAC_CMD_VIID(x) \ + (((x) >> S_FW_VI_MAC_CMD_VIID) & M_FW_VI_MAC_CMD_VIID) + +#define S_FW_VI_MAC_CMD_FREEMACS 31 +#define V_FW_VI_MAC_CMD_FREEMACS(x) ((x) << S_FW_VI_MAC_CMD_FREEMACS) + +#define S_FW_VI_MAC_CMD_ENTRY_TYPE 23 +#define V_FW_VI_MAC_CMD_ENTRY_TYPE(x) ((x) << S_FW_VI_MAC_CMD_ENTRY_TYPE) + +#define S_FW_VI_MAC_CMD_VALID 15 +#define M_FW_VI_MAC_CMD_VALID 0x1 +#define V_FW_VI_MAC_CMD_VALID(x) ((x) << S_FW_VI_MAC_CMD_VALID) +#define G_FW_VI_MAC_CMD_VALID(x) \ + (((x) >> S_FW_VI_MAC_CMD_VALID) & M_FW_VI_MAC_CMD_VALID) +#define F_FW_VI_MAC_CMD_VALID V_FW_VI_MAC_CMD_VALID(1U) + +#define S_FW_VI_MAC_CMD_SMAC_RESULT 10 +#define M_FW_VI_MAC_CMD_SMAC_RESULT 0x3 +#define V_FW_VI_MAC_CMD_SMAC_RESULT(x) ((x) << S_FW_VI_MAC_CMD_SMAC_RESULT) +#define G_FW_VI_MAC_CMD_SMAC_RESULT(x) \ + (((x) >> S_FW_VI_MAC_CMD_SMAC_RESULT) & M_FW_VI_MAC_CMD_SMAC_RESULT) + +#define S_FW_VI_MAC_CMD_IDX 0 +#define M_FW_VI_MAC_CMD_IDX 0x3ff +#define V_FW_VI_MAC_CMD_IDX(x) ((x) << S_FW_VI_MAC_CMD_IDX) +#define G_FW_VI_MAC_CMD_IDX(x) \ + (((x) >> S_FW_VI_MAC_CMD_IDX) & M_FW_VI_MAC_CMD_IDX) + +#define S_FW_VI_MAC_CMD_RAW_IDX 16 +#define M_FW_VI_MAC_CMD_RAW_IDX 0xffff +#define V_FW_VI_MAC_CMD_RAW_IDX(x) ((x) << S_FW_VI_MAC_CMD_RAW_IDX) +#define G_FW_VI_MAC_CMD_RAW_IDX(x) \ + (((x) >> S_FW_VI_MAC_CMD_RAW_IDX) & M_FW_VI_MAC_CMD_RAW_IDX) + +struct fw_vi_rxmode_cmd { + __be32 op_to_viid; + __be32 retval_len16; + __be32 mtu_to_vlanexen; + __be32 r4_lo; +}; + +#define S_FW_VI_RXMODE_CMD_VIID 0 +#define M_FW_VI_RXMODE_CMD_VIID 0xfff +#define V_FW_VI_RXMODE_CMD_VIID(x) ((x) << S_FW_VI_RXMODE_CMD_VIID) +#define G_FW_VI_RXMODE_CMD_VIID(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_VIID) & M_FW_VI_RXMODE_CMD_VIID) + +#define S_FW_VI_RXMODE_CMD_MTU 16 +#define M_FW_VI_RXMODE_CMD_MTU 0xffff +#define V_FW_VI_RXMODE_CMD_MTU(x) ((x) << S_FW_VI_RXMODE_CMD_MTU) +#define G_FW_VI_RXMODE_CMD_MTU(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_MTU) & M_FW_VI_RXMODE_CMD_MTU) + +#define S_FW_VI_RXMODE_CMD_PROMISCEN 14 +#define M_FW_VI_RXMODE_CMD_PROMISCEN 0x3 +#define V_FW_VI_RXMODE_CMD_PROMISCEN(x) ((x) << S_FW_VI_RXMODE_CMD_PROMISCEN) +#define G_FW_VI_RXMODE_CMD_PROMISCEN(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_PROMISCEN) & M_FW_VI_RXMODE_CMD_PROMISCEN) + +#define S_FW_VI_RXMODE_CMD_ALLMULTIEN 12 +#define M_FW_VI_RXMODE_CMD_ALLMULTIEN 0x3 +#define V_FW_VI_RXMODE_CMD_ALLMULTIEN(x) \ + ((x) << S_FW_VI_RXMODE_CMD_ALLMULTIEN) +#define G_FW_VI_RXMODE_CMD_ALLMULTIEN(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_ALLMULTIEN) & M_FW_VI_RXMODE_CMD_ALLMULTIEN) + +#define S_FW_VI_RXMODE_CMD_BROADCASTEN 10 +#define M_FW_VI_RXMODE_CMD_BROADCASTEN 0x3 +#define V_FW_VI_RXMODE_CMD_BROADCASTEN(x) \ + ((x) << S_FW_VI_RXMODE_CMD_BROADCASTEN) +#define G_FW_VI_RXMODE_CMD_BROADCASTEN(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_BROADCASTEN) & \ + M_FW_VI_RXMODE_CMD_BROADCASTEN) + +#define S_FW_VI_RXMODE_CMD_VLANEXEN 8 +#define M_FW_VI_RXMODE_CMD_VLANEXEN 0x3 +#define V_FW_VI_RXMODE_CMD_VLANEXEN(x) ((x) << S_FW_VI_RXMODE_CMD_VLANEXEN) +#define G_FW_VI_RXMODE_CMD_VLANEXEN(x) \ + (((x) >> S_FW_VI_RXMODE_CMD_VLANEXEN) & M_FW_VI_RXMODE_CMD_VLANEXEN) + +struct fw_vi_enable_cmd { + __be32 op_to_viid; + __be32 ien_to_len16; + __be16 blinkdur; + __be16 r3; + __be32 r4; +}; + +#define S_FW_VI_ENABLE_CMD_VIID 0 +#define M_FW_VI_ENABLE_CMD_VIID 0xfff +#define V_FW_VI_ENABLE_CMD_VIID(x) ((x) << S_FW_VI_ENABLE_CMD_VIID) +#define G_FW_VI_ENABLE_CMD_VIID(x) \ + (((x) >> S_FW_VI_ENABLE_CMD_VIID) & M_FW_VI_ENABLE_CMD_VIID) + +#define S_FW_VI_ENABLE_CMD_IEN 31 +#define M_FW_VI_ENABLE_CMD_IEN 0x1 +#define V_FW_VI_ENABLE_CMD_IEN(x) ((x) << S_FW_VI_ENABLE_CMD_IEN) +#define G_FW_VI_ENABLE_CMD_IEN(x) \ + (((x) >> S_FW_VI_ENABLE_CMD_IEN) & M_FW_VI_ENABLE_CMD_IEN) +#define F_FW_VI_ENABLE_CMD_IEN V_FW_VI_ENABLE_CMD_IEN(1U) + +#define S_FW_VI_ENABLE_CMD_EEN 30 +#define M_FW_VI_ENABLE_CMD_EEN 0x1 +#define V_FW_VI_ENABLE_CMD_EEN(x) ((x) << S_FW_VI_ENABLE_CMD_EEN) +#define G_FW_VI_ENABLE_CMD_EEN(x) \ + (((x) >> S_FW_VI_ENABLE_CMD_EEN) & M_FW_VI_ENABLE_CMD_EEN) +#define F_FW_VI_ENABLE_CMD_EEN V_FW_VI_ENABLE_CMD_EEN(1U) + +#define S_FW_VI_ENABLE_CMD_DCB_INFO 28 +#define M_FW_VI_ENABLE_CMD_DCB_INFO 0x1 +#define V_FW_VI_ENABLE_CMD_DCB_INFO(x) ((x) << S_FW_VI_ENABLE_CMD_DCB_INFO) +#define G_FW_VI_ENABLE_CMD_DCB_INFO(x) \ + (((x) >> S_FW_VI_ENABLE_CMD_DCB_INFO) & M_FW_VI_ENABLE_CMD_DCB_INFO) +#define F_FW_VI_ENABLE_CMD_DCB_INFO V_FW_VI_ENABLE_CMD_DCB_INFO(1U) + +/* VI VF stats offset definitions */ +#define VI_VF_NUM_STATS 16 + +/* VI PF stats offset definitions */ +#define VI_PF_NUM_STATS 17 +enum fw_vi_stats_pf_index { + FW_VI_PF_STAT_TX_BCAST_BYTES_IX, + FW_VI_PF_STAT_TX_BCAST_FRAMES_IX, + FW_VI_PF_STAT_TX_MCAST_BYTES_IX, + FW_VI_PF_STAT_TX_MCAST_FRAMES_IX, + FW_VI_PF_STAT_TX_UCAST_BYTES_IX, + FW_VI_PF_STAT_TX_UCAST_FRAMES_IX, + FW_VI_PF_STAT_TX_OFLD_BYTES_IX, + FW_VI_PF_STAT_TX_OFLD_FRAMES_IX, + FW_VI_PF_STAT_RX_BYTES_IX, + FW_VI_PF_STAT_RX_FRAMES_IX, + FW_VI_PF_STAT_RX_BCAST_BYTES_IX, + FW_VI_PF_STAT_RX_BCAST_FRAMES_IX, + FW_VI_PF_STAT_RX_MCAST_BYTES_IX, + FW_VI_PF_STAT_RX_MCAST_FRAMES_IX, + FW_VI_PF_STAT_RX_UCAST_BYTES_IX, + FW_VI_PF_STAT_RX_UCAST_FRAMES_IX, + FW_VI_PF_STAT_RX_ERR_FRAMES_IX +}; + +struct fw_vi_stats_cmd { + __be32 op_to_viid; + __be32 retval_len16; + union fw_vi_stats { + struct fw_vi_stats_ctl { + __be16 nstats_ix; + __be16 r6; + __be32 r7; + __be64 stat0; + __be64 stat1; + __be64 stat2; + __be64 stat3; + __be64 stat4; + __be64 stat5; + } ctl; + struct fw_vi_stats_pf { + __be64 tx_bcast_bytes; + __be64 tx_bcast_frames; + __be64 tx_mcast_bytes; + __be64 tx_mcast_frames; + __be64 tx_ucast_bytes; + __be64 tx_ucast_frames; + __be64 tx_offload_bytes; + __be64 tx_offload_frames; + __be64 rx_pf_bytes; + __be64 rx_pf_frames; + __be64 rx_bcast_bytes; + __be64 rx_bcast_frames; + __be64 rx_mcast_bytes; + __be64 rx_mcast_frames; + __be64 rx_ucast_bytes; + __be64 rx_ucast_frames; + __be64 rx_err_frames; + } pf; + struct fw_vi_stats_vf { + __be64 tx_bcast_bytes; + __be64 tx_bcast_frames; + __be64 tx_mcast_bytes; + __be64 tx_mcast_frames; + __be64 tx_ucast_bytes; + __be64 tx_ucast_frames; + __be64 tx_drop_frames; + __be64 tx_offload_bytes; + __be64 tx_offload_frames; + __be64 rx_bcast_bytes; + __be64 rx_bcast_frames; + __be64 rx_mcast_bytes; + __be64 rx_mcast_frames; + __be64 rx_ucast_bytes; + __be64 rx_ucast_frames; + __be64 rx_err_frames; + } vf; + } u; +}; + +#define S_FW_VI_STATS_CMD_VIID 0 +#define V_FW_VI_STATS_CMD_VIID(x) ((x) << S_FW_VI_STATS_CMD_VIID) + +#define S_FW_VI_STATS_CMD_NSTATS 12 +#define V_FW_VI_STATS_CMD_NSTATS(x) ((x) << S_FW_VI_STATS_CMD_NSTATS) + +#define S_FW_VI_STATS_CMD_IX 0 +#define V_FW_VI_STATS_CMD_IX(x) ((x) << S_FW_VI_STATS_CMD_IX) + +/* old 16-bit port capabilities bitmap */ +enum fw_port_cap { + FW_PORT_CAP_SPEED_100M = 0x0001, + FW_PORT_CAP_SPEED_1G = 0x0002, + FW_PORT_CAP_SPEED_25G = 0x0004, + FW_PORT_CAP_SPEED_10G = 0x0008, + FW_PORT_CAP_SPEED_40G = 0x0010, + FW_PORT_CAP_SPEED_100G = 0x0020, + FW_PORT_CAP_FC_RX = 0x0040, + FW_PORT_CAP_FC_TX = 0x0080, + FW_PORT_CAP_ANEG = 0x0100, + FW_PORT_CAP_MDIX = 0x0200, + FW_PORT_CAP_MDIAUTO = 0x0400, + FW_PORT_CAP_FEC_RS = 0x0800, + FW_PORT_CAP_FEC_BASER_RS = 0x1000, + FW_PORT_CAP_FEC_RESERVED = 0x2000, + FW_PORT_CAP_802_3_PAUSE = 0x4000, + FW_PORT_CAP_802_3_ASM_DIR = 0x8000, +}; + +#define S_FW_PORT_CAP_SPEED 0 +#define M_FW_PORT_CAP_SPEED 0x3f +#define V_FW_PORT_CAP_SPEED(x) ((x) << S_FW_PORT_CAP_SPEED) +#define G_FW_PORT_CAP_SPEED(x) \ + (((x) >> S_FW_PORT_CAP_SPEED) & M_FW_PORT_CAP_SPEED) + +enum fw_port_mdi { + FW_PORT_CAP_MDI_AUTO, +}; + +#define S_FW_PORT_CAP_MDI 9 +#define M_FW_PORT_CAP_MDI 3 +#define V_FW_PORT_CAP_MDI(x) ((x) << S_FW_PORT_CAP_MDI) +#define G_FW_PORT_CAP_MDI(x) (((x) >> S_FW_PORT_CAP_MDI) & M_FW_PORT_CAP_MDI) + +/* new 32-bit port capabilities bitmap (fw_port_cap32_t) */ +#define FW_PORT_CAP32_SPEED_100M 0x00000001UL +#define FW_PORT_CAP32_SPEED_1G 0x00000002UL +#define FW_PORT_CAP32_SPEED_10G 0x00000004UL +#define FW_PORT_CAP32_SPEED_25G 0x00000008UL +#define FW_PORT_CAP32_SPEED_40G 0x00000010UL +#define FW_PORT_CAP32_SPEED_50G 0x00000020UL +#define FW_PORT_CAP32_SPEED_100G 0x00000040UL +#define FW_PORT_CAP32_FC_RX 0x00010000UL +#define FW_PORT_CAP32_FC_TX 0x00020000UL +#define FW_PORT_CAP32_802_3_PAUSE 0x00040000UL +#define FW_PORT_CAP32_802_3_ASM_DIR 0x00080000UL +#define FW_PORT_CAP32_ANEG 0x00100000UL +#define FW_PORT_CAP32_MDIX 0x00200000UL +#define FW_PORT_CAP32_MDIAUTO 0x00400000UL +#define FW_PORT_CAP32_FEC_RS 0x00800000UL +#define FW_PORT_CAP32_FEC_BASER_RS 0x01000000UL + +#define S_FW_PORT_CAP32_SPEED 0 +#define M_FW_PORT_CAP32_SPEED 0xfff +#define V_FW_PORT_CAP32_SPEED(x) ((x) << S_FW_PORT_CAP32_SPEED) +#define G_FW_PORT_CAP32_SPEED(x) \ + (((x) >> S_FW_PORT_CAP32_SPEED) & M_FW_PORT_CAP32_SPEED) + +enum fw_port_mdi32 { + FW_PORT_CAP32_MDI_AUTO, +}; + +#define S_FW_PORT_CAP32_MDI 21 +#define M_FW_PORT_CAP32_MDI 3 +#define V_FW_PORT_CAP32_MDI(x) ((x) << S_FW_PORT_CAP32_MDI) +#define G_FW_PORT_CAP32_MDI(x) \ + (((x) >> S_FW_PORT_CAP32_MDI) & M_FW_PORT_CAP32_MDI) + +enum fw_port_action { + FW_PORT_ACTION_L1_CFG = 0x0001, + FW_PORT_ACTION_GET_PORT_INFO = 0x0003, + FW_PORT_ACTION_L1_CFG32 = 0x0009, + FW_PORT_ACTION_GET_PORT_INFO32 = 0x000a, +}; + +struct fw_port_cmd { + __be32 op_to_portid; + __be32 action_to_len16; + union fw_port { + struct fw_port_l1cfg { + __be32 rcap; + __be32 r; + } l1cfg; + struct fw_port_l2cfg { + __u8 ctlbf; + __u8 ovlan3_to_ivlan0; + __be16 ivlantype; + __be16 txipg_force_pinfo; + __be16 mtu; + __be16 ovlan0mask; + __be16 ovlan0type; + __be16 ovlan1mask; + __be16 ovlan1type; + __be16 ovlan2mask; + __be16 ovlan2type; + __be16 ovlan3mask; + __be16 ovlan3type; + } l2cfg; + struct fw_port_info { + __be32 lstatus_to_modtype; + __be16 pcap; + __be16 acap; + __be16 mtu; + __u8 cbllen; + __u8 auxlinfo; + __u8 dcbxdis_pkd; + __u8 r8_lo; + __be16 lpacap; + __be64 r9; + } info; + struct fw_port_diags { + __u8 diagop; + __u8 r[3]; + __be32 diagval; + } diags; + union fw_port_dcb { + struct fw_port_dcb_pgid { + __u8 type; + __u8 apply_pkd; + __u8 r10_lo[2]; + __be32 pgid; + __be64 r11; + } pgid; + struct fw_port_dcb_pgrate { + __u8 type; + __u8 apply_pkd; + __u8 r10_lo[5]; + __u8 num_tcs_supported; + __u8 pgrate[8]; + __u8 tsa[8]; + } pgrate; + struct fw_port_dcb_priorate { + __u8 type; + __u8 apply_pkd; + __u8 r10_lo[6]; + __u8 strict_priorate[8]; + } priorate; + struct fw_port_dcb_pfc { + __u8 type; + __u8 pfcen; + __u8 r10[5]; + __u8 max_pfc_tcs; + __be64 r11; + } pfc; + struct fw_port_app_priority { + __u8 type; + __u8 r10[2]; + __u8 idx; + __u8 user_prio_map; + __u8 sel_field; + __be16 protocolid; + __be64 r12; + } app_priority; + struct fw_port_dcb_control { + __u8 type; + __u8 all_syncd_pkd; + __be16 dcb_version_to_app_state; + __be32 r11; + __be64 r12; + } control; + } dcb; + struct fw_port_l1cfg32 { + __be32 rcap32; + __be32 r; + } l1cfg32; + struct fw_port_info32 { + __be32 lstatus32_to_cbllen32; + __be32 auxlinfo32_mtu32; + __be32 linkattr32; + __be32 pcaps32; + __be32 acaps32; + __be32 lpacaps32; + } info32; + } u; +}; + +#define S_FW_PORT_CMD_PORTID 0 +#define M_FW_PORT_CMD_PORTID 0xf +#define V_FW_PORT_CMD_PORTID(x) ((x) << S_FW_PORT_CMD_PORTID) +#define G_FW_PORT_CMD_PORTID(x) \ + (((x) >> S_FW_PORT_CMD_PORTID) & M_FW_PORT_CMD_PORTID) + +#define S_FW_PORT_CMD_ACTION 16 +#define M_FW_PORT_CMD_ACTION 0xffff +#define V_FW_PORT_CMD_ACTION(x) ((x) << S_FW_PORT_CMD_ACTION) +#define G_FW_PORT_CMD_ACTION(x) \ + (((x) >> S_FW_PORT_CMD_ACTION) & M_FW_PORT_CMD_ACTION) + +#define S_FW_PORT_CMD_LSTATUS 31 +#define M_FW_PORT_CMD_LSTATUS 0x1 +#define V_FW_PORT_CMD_LSTATUS(x) ((x) << S_FW_PORT_CMD_LSTATUS) +#define G_FW_PORT_CMD_LSTATUS(x) \ + (((x) >> S_FW_PORT_CMD_LSTATUS) & M_FW_PORT_CMD_LSTATUS) +#define F_FW_PORT_CMD_LSTATUS V_FW_PORT_CMD_LSTATUS(1U) + +#define S_FW_PORT_CMD_LSPEED 24 +#define M_FW_PORT_CMD_LSPEED 0x3f +#define V_FW_PORT_CMD_LSPEED(x) ((x) << S_FW_PORT_CMD_LSPEED) +#define G_FW_PORT_CMD_LSPEED(x) \ + (((x) >> S_FW_PORT_CMD_LSPEED) & M_FW_PORT_CMD_LSPEED) + +#define S_FW_PORT_CMD_TXPAUSE 23 +#define M_FW_PORT_CMD_TXPAUSE 0x1 +#define V_FW_PORT_CMD_TXPAUSE(x) ((x) << S_FW_PORT_CMD_TXPAUSE) +#define G_FW_PORT_CMD_TXPAUSE(x) \ + (((x) >> S_FW_PORT_CMD_TXPAUSE) & M_FW_PORT_CMD_TXPAUSE) +#define F_FW_PORT_CMD_TXPAUSE V_FW_PORT_CMD_TXPAUSE(1U) + +#define S_FW_PORT_CMD_RXPAUSE 22 +#define M_FW_PORT_CMD_RXPAUSE 0x1 +#define V_FW_PORT_CMD_RXPAUSE(x) ((x) << S_FW_PORT_CMD_RXPAUSE) +#define G_FW_PORT_CMD_RXPAUSE(x) \ + (((x) >> S_FW_PORT_CMD_RXPAUSE) & M_FW_PORT_CMD_RXPAUSE) +#define F_FW_PORT_CMD_RXPAUSE V_FW_PORT_CMD_RXPAUSE(1U) + +#define S_FW_PORT_CMD_MDIOCAP 21 +#define M_FW_PORT_CMD_MDIOCAP 0x1 +#define V_FW_PORT_CMD_MDIOCAP(x) ((x) << S_FW_PORT_CMD_MDIOCAP) +#define G_FW_PORT_CMD_MDIOCAP(x) \ + (((x) >> S_FW_PORT_CMD_MDIOCAP) & M_FW_PORT_CMD_MDIOCAP) +#define F_FW_PORT_CMD_MDIOCAP V_FW_PORT_CMD_MDIOCAP(1U) + +#define S_FW_PORT_CMD_MDIOADDR 16 +#define M_FW_PORT_CMD_MDIOADDR 0x1f +#define V_FW_PORT_CMD_MDIOADDR(x) ((x) << S_FW_PORT_CMD_MDIOADDR) +#define G_FW_PORT_CMD_MDIOADDR(x) \ + (((x) >> S_FW_PORT_CMD_MDIOADDR) & M_FW_PORT_CMD_MDIOADDR) + +#define S_FW_PORT_CMD_PTYPE 8 +#define M_FW_PORT_CMD_PTYPE 0x1f +#define V_FW_PORT_CMD_PTYPE(x) ((x) << S_FW_PORT_CMD_PTYPE) +#define G_FW_PORT_CMD_PTYPE(x) \ + (((x) >> S_FW_PORT_CMD_PTYPE) & M_FW_PORT_CMD_PTYPE) + +#define S_FW_PORT_CMD_LINKDNRC 5 +#define M_FW_PORT_CMD_LINKDNRC 0x7 +#define V_FW_PORT_CMD_LINKDNRC(x) ((x) << S_FW_PORT_CMD_LINKDNRC) +#define G_FW_PORT_CMD_LINKDNRC(x) \ + (((x) >> S_FW_PORT_CMD_LINKDNRC) & M_FW_PORT_CMD_LINKDNRC) + +#define S_FW_PORT_CMD_MODTYPE 0 +#define M_FW_PORT_CMD_MODTYPE 0x1f +#define V_FW_PORT_CMD_MODTYPE(x) ((x) << S_FW_PORT_CMD_MODTYPE) +#define G_FW_PORT_CMD_MODTYPE(x) \ + (((x) >> S_FW_PORT_CMD_MODTYPE) & M_FW_PORT_CMD_MODTYPE) + +#define S_FW_PORT_CMD_LSTATUS32 31 +#define M_FW_PORT_CMD_LSTATUS32 0x1 +#define V_FW_PORT_CMD_LSTATUS32(x) ((x) << S_FW_PORT_CMD_LSTATUS32) +#define F_FW_PORT_CMD_LSTATUS32 V_FW_PORT_CMD_LSTATUS32(1U) + +#define S_FW_PORT_CMD_LINKDNRC32 28 +#define M_FW_PORT_CMD_LINKDNRC32 0x7 +#define G_FW_PORT_CMD_LINKDNRC32(x) \ + (((x) >> S_FW_PORT_CMD_LINKDNRC32) & M_FW_PORT_CMD_LINKDNRC32) + +#define S_FW_PORT_CMD_MDIOCAP32 26 +#define M_FW_PORT_CMD_MDIOCAP32 0x1 +#define V_FW_PORT_CMD_MDIOCAP32(x) ((x) << S_FW_PORT_CMD_MDIOCAP32) +#define F_FW_PORT_CMD_MDIOCAP32 V_FW_PORT_CMD_MDIOCAP32(1U) + +#define S_FW_PORT_CMD_MDIOADDR32 21 +#define M_FW_PORT_CMD_MDIOADDR32 0x1f +#define G_FW_PORT_CMD_MDIOADDR32(x) \ + (((x) >> S_FW_PORT_CMD_MDIOADDR32) & M_FW_PORT_CMD_MDIOADDR32) + +#define S_FW_PORT_CMD_PORTTYPE32 13 +#define M_FW_PORT_CMD_PORTTYPE32 0xff +#define G_FW_PORT_CMD_PORTTYPE32(x) \ + (((x) >> S_FW_PORT_CMD_PORTTYPE32) & M_FW_PORT_CMD_PORTTYPE32) + +#define S_FW_PORT_CMD_MODTYPE32 8 +#define M_FW_PORT_CMD_MODTYPE32 0x1f +#define G_FW_PORT_CMD_MODTYPE32(x) \ + (((x) >> S_FW_PORT_CMD_MODTYPE32) & M_FW_PORT_CMD_MODTYPE32) + +/* + * These are configured into the VPD and hence tools that generate + * VPD may use this enumeration. + * extPHY #lanes T4_I2C extI2C BP_Eq BP_ANEG Speed + * + * REMEMBER: + * Update the Common Code t4_hw.c:t4_get_port_type_description() + * with any new Firmware Port Technology Types! + */ +enum fw_port_type { + FW_PORT_TYPE_FIBER_XFI = 0, /* Y, 1, N, Y, N, N, 10G */ + FW_PORT_TYPE_FIBER_XAUI = 1, /* Y, 4, N, Y, N, N, 10G */ + FW_PORT_TYPE_BT_SGMII = 2, /* Y, 1, No, No, No, No, 1G/100M */ + FW_PORT_TYPE_BT_XFI = 3, /* Y, 1, No, No, No, No, 10G */ + FW_PORT_TYPE_BT_XAUI = 4, /* Y, 4, No, No, No, No, 10G/1G/100M? */ + FW_PORT_TYPE_KX4 = 5, /* No, 4, No, No, Yes, Yes, 10G */ + FW_PORT_TYPE_CX4 = 6, /* No, 4, No, No, No, No, 10G */ + FW_PORT_TYPE_KX = 7, /* No, 1, No, No, Yes, No, 1G */ + FW_PORT_TYPE_KR = 8, /* No, 1, No, No, Yes, Yes, 10G */ + FW_PORT_TYPE_SFP = 9, /* No, 1, Yes, No, No, No, 10G */ + FW_PORT_TYPE_BP_AP = 10, + /* No, 1, No, No, Yes, Yes, 10G, BP ANGE */ + FW_PORT_TYPE_BP4_AP = 11, + /* No, 4, No, No, Yes, Yes, 10G, BP ANGE */ + FW_PORT_TYPE_QSFP_10G = 12, /* No, 1, Yes, No, No, No, 10G */ + FW_PORT_TYPE_QSA = 13, /* No, 1, Yes, No, No, No, 10G */ + FW_PORT_TYPE_QSFP = 14, /* No, 4, Yes, No, No, No, 40G */ + FW_PORT_TYPE_BP40_BA = 15, + /* No, 4, No, No, Yes, Yes, 40G/10G/1G, BP ANGE */ + FW_PORT_TYPE_KR4_100G = 16, /* No, 4, 100G/40G/25G, Backplane */ + FW_PORT_TYPE_CR4_QSFP = 17, /* No, 4, 100G/40G/25G */ + FW_PORT_TYPE_CR_QSFP = 18, /* No, 1, 25G Spider cable */ + FW_PORT_TYPE_CR2_QSFP = 19, /* No, 2, 50G */ + FW_PORT_TYPE_SFP28 = 20, /* No, 1, 25G/10G/1G */ + FW_PORT_TYPE_KR_SFP28 = 21, /* No, 1, 25G/10G/1G using Backplane */ + FW_PORT_TYPE_NONE = M_FW_PORT_CMD_PTYPE +}; + +/* These are read from module's EEPROM and determined once the + * module is inserted. + */ +enum fw_port_module_type { + FW_PORT_MOD_TYPE_NA = 0x0, + FW_PORT_MOD_TYPE_LR = 0x1, + FW_PORT_MOD_TYPE_SR = 0x2, + FW_PORT_MOD_TYPE_ER = 0x3, + FW_PORT_MOD_TYPE_TWINAX_PASSIVE = 0x4, + FW_PORT_MOD_TYPE_TWINAX_ACTIVE = 0x5, + FW_PORT_MOD_TYPE_LRM = 0x6, + FW_PORT_MOD_TYPE_ERROR = M_FW_PORT_CMD_MODTYPE - 3, + FW_PORT_MOD_TYPE_UNKNOWN = M_FW_PORT_CMD_MODTYPE - 2, + FW_PORT_MOD_TYPE_NOTSUPPORTED = M_FW_PORT_CMD_MODTYPE - 1, + FW_PORT_MOD_TYPE_NONE = M_FW_PORT_CMD_MODTYPE +}; + +/* used by FW and tools may use this to generate VPD */ +enum fw_port_mod_sub_type { + FW_PORT_MOD_SUB_TYPE_NA, + FW_PORT_MOD_SUB_TYPE_MV88E114X = 0x1, + FW_PORT_MOD_SUB_TYPE_TN8022 = 0x2, + FW_PORT_MOD_SUB_TYPE_AQ1202 = 0x3, + FW_PORT_MOD_SUB_TYPE_88x3120 = 0x4, + FW_PORT_MOD_SUB_TYPE_BCM84834 = 0x5, + FW_PORT_MOD_SUB_TYPE_BCM5482 = 0x6, + FW_PORT_MOD_SUB_TYPE_BCM84856 = 0x7, + FW_PORT_MOD_SUB_TYPE_BT_VSC8634 = 0x8, + + /* + * The following will never been in the VPD. They are TWINAX cable + * lengths decoded from SFP+ module i2c PROMs. These should almost + * certainly go somewhere else ... + */ + FW_PORT_MOD_SUB_TYPE_TWINAX_1 = 0x9, + FW_PORT_MOD_SUB_TYPE_TWINAX_3 = 0xA, + FW_PORT_MOD_SUB_TYPE_TWINAX_5 = 0xB, + FW_PORT_MOD_SUB_TYPE_TWINAX_7 = 0xC, +}; + +/* link down reason codes (3b) */ +enum fw_port_link_dn_rc { + FW_PORT_LINK_DN_RC_NONE, + FW_PORT_LINK_DN_RC_REMFLT, /* Remote fault detected */ + FW_PORT_LINK_DN_ANEG_F, /* Auto-negotiation fault */ + FW_PORT_LINK_DN_RESERVED3, + FW_PORT_LINK_DN_OVERHEAT, /* Port overheated */ + FW_PORT_LINK_DN_UNKNOWN, /* Unable to determine reason */ + FW_PORT_LINK_DN_RX_LOS, /* No RX signal detected */ + FW_PORT_LINK_DN_RESERVED7 +}; + +/* port stats */ +#define FW_NUM_PORT_STATS 50 +#define FW_NUM_PORT_TX_STATS 23 +#define FW_NUM_PORT_RX_STATS 27 + +enum fw_port_stats_tx_index { + FW_STAT_TX_PORT_BYTES_IX, + FW_STAT_TX_PORT_FRAMES_IX, + FW_STAT_TX_PORT_BCAST_IX, + FW_STAT_TX_PORT_MCAST_IX, + FW_STAT_TX_PORT_UCAST_IX, + FW_STAT_TX_PORT_ERROR_IX, + FW_STAT_TX_PORT_64B_IX, + FW_STAT_TX_PORT_65B_127B_IX, + FW_STAT_TX_PORT_128B_255B_IX, + FW_STAT_TX_PORT_256B_511B_IX, + FW_STAT_TX_PORT_512B_1023B_IX, + FW_STAT_TX_PORT_1024B_1518B_IX, + FW_STAT_TX_PORT_1519B_MAX_IX, + FW_STAT_TX_PORT_DROP_IX, + FW_STAT_TX_PORT_PAUSE_IX, + FW_STAT_TX_PORT_PPP0_IX, + FW_STAT_TX_PORT_PPP1_IX, + FW_STAT_TX_PORT_PPP2_IX, + FW_STAT_TX_PORT_PPP3_IX, + FW_STAT_TX_PORT_PPP4_IX, + FW_STAT_TX_PORT_PPP5_IX, + FW_STAT_TX_PORT_PPP6_IX, + FW_STAT_TX_PORT_PPP7_IX +}; + +enum fw_port_stat_rx_index { + FW_STAT_RX_PORT_BYTES_IX, + FW_STAT_RX_PORT_FRAMES_IX, + FW_STAT_RX_PORT_BCAST_IX, + FW_STAT_RX_PORT_MCAST_IX, + FW_STAT_RX_PORT_UCAST_IX, + FW_STAT_RX_PORT_MTU_ERROR_IX, + FW_STAT_RX_PORT_MTU_CRC_ERROR_IX, + FW_STAT_RX_PORT_CRC_ERROR_IX, + FW_STAT_RX_PORT_LEN_ERROR_IX, + FW_STAT_RX_PORT_SYM_ERROR_IX, + FW_STAT_RX_PORT_64B_IX, + FW_STAT_RX_PORT_65B_127B_IX, + FW_STAT_RX_PORT_128B_255B_IX, + FW_STAT_RX_PORT_256B_511B_IX, + FW_STAT_RX_PORT_512B_1023B_IX, + FW_STAT_RX_PORT_1024B_1518B_IX, + FW_STAT_RX_PORT_1519B_MAX_IX, + FW_STAT_RX_PORT_PAUSE_IX, + FW_STAT_RX_PORT_PPP0_IX, + FW_STAT_RX_PORT_PPP1_IX, + FW_STAT_RX_PORT_PPP2_IX, + FW_STAT_RX_PORT_PPP3_IX, + FW_STAT_RX_PORT_PPP4_IX, + FW_STAT_RX_PORT_PPP5_IX, + FW_STAT_RX_PORT_PPP6_IX, + FW_STAT_RX_PORT_PPP7_IX, + FW_STAT_RX_PORT_LESS_64B_IX +}; + +struct fw_port_stats_cmd { + __be32 op_to_portid; + __be32 retval_len16; + union fw_port_stats { + struct fw_port_stats_ctl { + __u8 nstats_bg_bm; + __u8 tx_ix; + __be16 r6; + __be32 r7; + __be64 stat0; + __be64 stat1; + __be64 stat2; + __be64 stat3; + __be64 stat4; + __be64 stat5; + } ctl; + struct fw_port_stats_all { + __be64 tx_bytes; + __be64 tx_frames; + __be64 tx_bcast; + __be64 tx_mcast; + __be64 tx_ucast; + __be64 tx_error; + __be64 tx_64b; + __be64 tx_65b_127b; + __be64 tx_128b_255b; + __be64 tx_256b_511b; + __be64 tx_512b_1023b; + __be64 tx_1024b_1518b; + __be64 tx_1519b_max; + __be64 tx_drop; + __be64 tx_pause; + __be64 tx_ppp0; + __be64 tx_ppp1; + __be64 tx_ppp2; + __be64 tx_ppp3; + __be64 tx_ppp4; + __be64 tx_ppp5; + __be64 tx_ppp6; + __be64 tx_ppp7; + __be64 rx_bytes; + __be64 rx_frames; + __be64 rx_bcast; + __be64 rx_mcast; + __be64 rx_ucast; + __be64 rx_mtu_error; + __be64 rx_mtu_crc_error; + __be64 rx_crc_error; + __be64 rx_len_error; + __be64 rx_sym_error; + __be64 rx_64b; + __be64 rx_65b_127b; + __be64 rx_128b_255b; + __be64 rx_256b_511b; + __be64 rx_512b_1023b; + __be64 rx_1024b_1518b; + __be64 rx_1519b_max; + __be64 rx_pause; + __be64 rx_ppp0; + __be64 rx_ppp1; + __be64 rx_ppp2; + __be64 rx_ppp3; + __be64 rx_ppp4; + __be64 rx_ppp5; + __be64 rx_ppp6; + __be64 rx_ppp7; + __be64 rx_less_64b; + __be64 rx_bg_drop; + __be64 rx_bg_trunc; + } all; + } u; +}; + +struct fw_rss_ind_tbl_cmd { + __be32 op_to_viid; + __be32 retval_len16; + __be16 niqid; + __be16 startidx; + __be32 r3; + __be32 iq0_to_iq2; + __be32 iq3_to_iq5; + __be32 iq6_to_iq8; + __be32 iq9_to_iq11; + __be32 iq12_to_iq14; + __be32 iq15_to_iq17; + __be32 iq18_to_iq20; + __be32 iq21_to_iq23; + __be32 iq24_to_iq26; + __be32 iq27_to_iq29; + __be32 iq30_iq31; + __be32 r15_lo; +}; + +#define S_FW_RSS_IND_TBL_CMD_VIID 0 +#define M_FW_RSS_IND_TBL_CMD_VIID 0xfff +#define V_FW_RSS_IND_TBL_CMD_VIID(x) ((x) << S_FW_RSS_IND_TBL_CMD_VIID) +#define G_FW_RSS_IND_TBL_CMD_VIID(x) \ + (((x) >> S_FW_RSS_IND_TBL_CMD_VIID) & M_FW_RSS_IND_TBL_CMD_VIID) + +#define S_FW_RSS_IND_TBL_CMD_IQ0 20 +#define M_FW_RSS_IND_TBL_CMD_IQ0 0x3ff +#define V_FW_RSS_IND_TBL_CMD_IQ0(x) ((x) << S_FW_RSS_IND_TBL_CMD_IQ0) +#define G_FW_RSS_IND_TBL_CMD_IQ0(x) \ + (((x) >> S_FW_RSS_IND_TBL_CMD_IQ0) & M_FW_RSS_IND_TBL_CMD_IQ0) + +#define S_FW_RSS_IND_TBL_CMD_IQ1 10 +#define M_FW_RSS_IND_TBL_CMD_IQ1 0x3ff +#define V_FW_RSS_IND_TBL_CMD_IQ1(x) ((x) << S_FW_RSS_IND_TBL_CMD_IQ1) +#define G_FW_RSS_IND_TBL_CMD_IQ1(x) \ + (((x) >> S_FW_RSS_IND_TBL_CMD_IQ1) & M_FW_RSS_IND_TBL_CMD_IQ1) + +#define S_FW_RSS_IND_TBL_CMD_IQ2 0 +#define M_FW_RSS_IND_TBL_CMD_IQ2 0x3ff +#define V_FW_RSS_IND_TBL_CMD_IQ2(x) ((x) << S_FW_RSS_IND_TBL_CMD_IQ2) +#define G_FW_RSS_IND_TBL_CMD_IQ2(x) \ + (((x) >> S_FW_RSS_IND_TBL_CMD_IQ2) & M_FW_RSS_IND_TBL_CMD_IQ2) + +struct fw_rss_glb_config_cmd { + __be32 op_to_write; + __be32 retval_len16; + union fw_rss_glb_config { + struct fw_rss_glb_config_manual { + __be32 mode_pkd; + __be32 r3; + __be64 r4; + __be64 r5; + } manual; + struct fw_rss_glb_config_basicvirtual { + __be32 mode_keymode; + __be32 synmapen_to_hashtoeplitz; + __be64 r8; + __be64 r9; + } basicvirtual; + } u; +}; + +#define S_FW_RSS_GLB_CONFIG_CMD_MODE 28 +#define M_FW_RSS_GLB_CONFIG_CMD_MODE 0xf +#define G_FW_RSS_GLB_CONFIG_CMD_MODE(x) \ + (((x) >> S_FW_RSS_GLB_CONFIG_CMD_MODE) & M_FW_RSS_GLB_CONFIG_CMD_MODE) + +#define FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL 1 + +#define S_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN 8 +#define V_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN) +#define F_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN V_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6 7 +#define V_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6) +#define F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6 \ + V_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6 6 +#define V_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6) +#define F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6 \ + V_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4 5 +#define V_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4) +#define F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4 \ + V_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4 4 +#define V_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4) +#define F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4 \ + V_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN 3 +#define V_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN) +#define F_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN V_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN 2 +#define V_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN) +#define F_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN V_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP 1 +#define V_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP) +#define F_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP \ + V_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP(1U) + +#define S_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ 0 +#define V_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ(x) \ + ((x) << S_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ) +#define F_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ \ + V_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ(1U) + +struct fw_rss_vi_config_cmd { + __be32 op_to_viid; + __be32 retval_len16; + union fw_rss_vi_config { + struct fw_rss_vi_config_manual { + __be64 r3; + __be64 r4; + __be64 r5; + } manual; + struct fw_rss_vi_config_basicvirtual { + __be32 r6; + __be32 defaultq_to_udpen; + __be64 r9; + __be64 r10; + } basicvirtual; + } u; +}; + +#define S_FW_RSS_VI_CONFIG_CMD_VIID 0 +#define M_FW_RSS_VI_CONFIG_CMD_VIID 0xfff +#define V_FW_RSS_VI_CONFIG_CMD_VIID(x) ((x) << S_FW_RSS_VI_CONFIG_CMD_VIID) +#define G_FW_RSS_VI_CONFIG_CMD_VIID(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_VIID) & M_FW_RSS_VI_CONFIG_CMD_VIID) + +#define S_FW_RSS_VI_CONFIG_CMD_DEFAULTQ 16 +#define M_FW_RSS_VI_CONFIG_CMD_DEFAULTQ 0x3ff +#define V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(x) \ + ((x) << S_FW_RSS_VI_CONFIG_CMD_DEFAULTQ) +#define G_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_DEFAULTQ) & \ + M_FW_RSS_VI_CONFIG_CMD_DEFAULTQ) + +#define S_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN 4 +#define M_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN 0x1 +#define V_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN(x) \ + ((x) << S_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) +#define G_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) & \ + M_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) +#define F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN \ + V_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN(1U) + +#define S_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN 3 +#define M_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN 0x1 +#define V_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN(x) \ + ((x) << S_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) +#define G_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) & \ + M_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) +#define F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN \ + V_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN(1U) + +#define S_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN 2 +#define M_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN 0x1 +#define V_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN(x) \ + ((x) << S_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) +#define G_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) & \ + M_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) +#define F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN \ + V_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN(1U) + +#define S_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN 1 +#define M_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN 0x1 +#define V_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN(x) \ + ((x) << S_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) +#define G_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) & \ + M_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) +#define F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN \ + V_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN(1U) + +#define S_FW_RSS_VI_CONFIG_CMD_UDPEN 0 +#define M_FW_RSS_VI_CONFIG_CMD_UDPEN 0x1 +#define V_FW_RSS_VI_CONFIG_CMD_UDPEN(x) ((x) << S_FW_RSS_VI_CONFIG_CMD_UDPEN) +#define G_FW_RSS_VI_CONFIG_CMD_UDPEN(x) \ + (((x) >> S_FW_RSS_VI_CONFIG_CMD_UDPEN) & M_FW_RSS_VI_CONFIG_CMD_UDPEN) +#define F_FW_RSS_VI_CONFIG_CMD_UDPEN V_FW_RSS_VI_CONFIG_CMD_UDPEN(1U) + +struct fw_clip_cmd { + __be32 op_to_write; + __be32 alloc_to_len16; + __be64 ip_hi; + __be64 ip_lo; + __be32 r4[2]; +}; + +#define S_FW_CLIP_CMD_ALLOC 31 +#define V_FW_CLIP_CMD_ALLOC(x) ((x) << S_FW_CLIP_CMD_ALLOC) +#define F_FW_CLIP_CMD_ALLOC V_FW_CLIP_CMD_ALLOC(1U) + +#define S_FW_CLIP_CMD_FREE 30 +#define V_FW_CLIP_CMD_FREE(x) ((x) << S_FW_CLIP_CMD_FREE) +#define F_FW_CLIP_CMD_FREE V_FW_CLIP_CMD_FREE(1U) + +/****************************************************************************** + * D E B U G C O M M A N D s + ******************************************************/ + +struct fw_debug_cmd { + __be32 op_type; + __be32 len16_pkd; + union fw_debug { + struct fw_debug_assert { + __be32 fcid; + __be32 line; + __be32 x; + __be32 y; + __u8 filename_0_7[8]; + __u8 filename_8_15[8]; + __be64 r3; + } assert; + struct fw_debug_prt { + __be16 dprtstridx; + __be16 r3[3]; + __be32 dprtstrparam0; + __be32 dprtstrparam1; + __be32 dprtstrparam2; + __be32 dprtstrparam3; + } prt; + } u; +}; + +#define S_FW_DEBUG_CMD_TYPE 0 +#define M_FW_DEBUG_CMD_TYPE 0xff +#define V_FW_DEBUG_CMD_TYPE(x) ((x) << S_FW_DEBUG_CMD_TYPE) +#define G_FW_DEBUG_CMD_TYPE(x) \ + (((x) >> S_FW_DEBUG_CMD_TYPE) & M_FW_DEBUG_CMD_TYPE) + +/****************************************************************************** + * P C I E F W R E G I S T E R + **************************************/ + +/* + * Register definitions for the PCIE_FW register which the firmware uses + * to retain status across RESETs. This register should be considered + * as a READ-ONLY register for Host Software and only to be used to + * track firmware initialization/error state, etc. + */ +#define S_PCIE_FW_ERR 31 +#define M_PCIE_FW_ERR 0x1 +#define V_PCIE_FW_ERR(x) ((x) << S_PCIE_FW_ERR) +#define G_PCIE_FW_ERR(x) (((x) >> S_PCIE_FW_ERR) & M_PCIE_FW_ERR) +#define F_PCIE_FW_ERR V_PCIE_FW_ERR(1U) + +#define S_PCIE_FW_INIT 30 +#define M_PCIE_FW_INIT 0x1 +#define V_PCIE_FW_INIT(x) ((x) << S_PCIE_FW_INIT) +#define G_PCIE_FW_INIT(x) (((x) >> S_PCIE_FW_INIT) & M_PCIE_FW_INIT) +#define F_PCIE_FW_INIT V_PCIE_FW_INIT(1U) + +#define S_PCIE_FW_HALT 29 +#define M_PCIE_FW_HALT 0x1 +#define V_PCIE_FW_HALT(x) ((x) << S_PCIE_FW_HALT) +#define G_PCIE_FW_HALT(x) (((x) >> S_PCIE_FW_HALT) & M_PCIE_FW_HALT) +#define F_PCIE_FW_HALT V_PCIE_FW_HALT(1U) + +#define S_PCIE_FW_EVAL 24 +#define M_PCIE_FW_EVAL 0x7 +#define V_PCIE_FW_EVAL(x) ((x) << S_PCIE_FW_EVAL) +#define G_PCIE_FW_EVAL(x) (((x) >> S_PCIE_FW_EVAL) & M_PCIE_FW_EVAL) + +#define S_PCIE_FW_MASTER_VLD 15 +#define M_PCIE_FW_MASTER_VLD 0x1 +#define V_PCIE_FW_MASTER_VLD(x) ((x) << S_PCIE_FW_MASTER_VLD) +#define G_PCIE_FW_MASTER_VLD(x) \ + (((x) >> S_PCIE_FW_MASTER_VLD) & M_PCIE_FW_MASTER_VLD) +#define F_PCIE_FW_MASTER_VLD V_PCIE_FW_MASTER_VLD(1U) + +#define S_PCIE_FW_MASTER 12 +#define M_PCIE_FW_MASTER 0x7 +#define V_PCIE_FW_MASTER(x) ((x) << S_PCIE_FW_MASTER) +#define G_PCIE_FW_MASTER(x) (((x) >> S_PCIE_FW_MASTER) & M_PCIE_FW_MASTER) + +/****************************************************************************** + * B I N A R Y H E A D E R F O R M A T + **********************************************/ + +/* + * firmware binary header format + */ +struct fw_hdr { + __u8 ver; + __u8 chip; /* terminator chip family */ + __be16 len512; /* bin length in units of 512-bytes */ + __be32 fw_ver; /* firmware version */ + __be32 tp_microcode_ver; /* tcp processor microcode version */ + __u8 intfver_nic; + __u8 intfver_vnic; + __u8 intfver_ofld; + __u8 intfver_ri; + __u8 intfver_iscsipdu; + __u8 intfver_iscsi; + __u8 intfver_fcoepdu; + __u8 intfver_fcoe; + __u32 reserved2; + __u32 reserved3; + __u32 magic; /* runtime or bootstrap fw */ + __be32 flags; + __be32 reserved6[23]; +}; + +#define S_FW_HDR_FW_VER_MAJOR 24 +#define M_FW_HDR_FW_VER_MAJOR 0xff +#define V_FW_HDR_FW_VER_MAJOR(x) \ + ((x) << S_FW_HDR_FW_VER_MAJOR) +#define G_FW_HDR_FW_VER_MAJOR(x) \ + (((x) >> S_FW_HDR_FW_VER_MAJOR) & M_FW_HDR_FW_VER_MAJOR) + +#define S_FW_HDR_FW_VER_MINOR 16 +#define M_FW_HDR_FW_VER_MINOR 0xff +#define V_FW_HDR_FW_VER_MINOR(x) \ + ((x) << S_FW_HDR_FW_VER_MINOR) +#define G_FW_HDR_FW_VER_MINOR(x) \ + (((x) >> S_FW_HDR_FW_VER_MINOR) & M_FW_HDR_FW_VER_MINOR) + +#define S_FW_HDR_FW_VER_MICRO 8 +#define M_FW_HDR_FW_VER_MICRO 0xff +#define V_FW_HDR_FW_VER_MICRO(x) \ + ((x) << S_FW_HDR_FW_VER_MICRO) +#define G_FW_HDR_FW_VER_MICRO(x) \ + (((x) >> S_FW_HDR_FW_VER_MICRO) & M_FW_HDR_FW_VER_MICRO) + +#define S_FW_HDR_FW_VER_BUILD 0 +#define M_FW_HDR_FW_VER_BUILD 0xff +#define V_FW_HDR_FW_VER_BUILD(x) \ + ((x) << S_FW_HDR_FW_VER_BUILD) +#define G_FW_HDR_FW_VER_BUILD(x) \ + (((x) >> S_FW_HDR_FW_VER_BUILD) & M_FW_HDR_FW_VER_BUILD) + +#endif /* _T4FW_INTERFACE_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.c b/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.c new file mode 100644 index 000000000..649bacfb2 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.c @@ -0,0 +1,880 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include <rte_ethdev_driver.h> +#include <rte_ether.h> + +#include "common.h" +#include "t4_regs.h" + +/** + * t4vf_wait_dev_ready - wait till to reads of registers work + * + * Wait for the device to become ready (signified by our "who am I" register + * returning a value other than all 1's). Return an error if it doesn't + * become ready ... + */ +static int t4vf_wait_dev_ready(struct adapter *adapter) +{ + const u32 whoami = T4VF_PL_BASE_ADDR + A_PL_VF_WHOAMI; + const u32 notready1 = 0xffffffff; + const u32 notready2 = 0xeeeeeeee; + u32 val; + + val = t4_read_reg(adapter, whoami); + if (val != notready1 && val != notready2) + return 0; + + msleep(500); + val = t4_read_reg(adapter, whoami); + if (val != notready1 && val != notready2) + return 0; + + dev_err(adapter, "Device didn't become ready for access, whoami = %#x\n", + val); + return -EIO; +} + +/* + * Get the reply to a mailbox command and store it in @rpl in big-endian order. + */ +static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit, + u32 mbox_addr) +{ + for ( ; nflit; nflit--, mbox_addr += 8) + *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr)); +} + +/** + * t4vf_wr_mbox_core - send a command to FW through the mailbox + * @adapter: the adapter + * @cmd: the command to write + * @size: command length in bytes + * @rpl: where to optionally store the reply + * @sleep_ok: if true we may sleep while awaiting command completion + * + * Sends the given command to FW through the mailbox and waits for the + * FW to execute the command. If @rpl is not %NULL it is used to store + * the FW's reply to the command. The command and its optional reply + * are of the same length. FW can take up to 500 ms to respond. + * @sleep_ok determines whether we may sleep while awaiting the response. + * If sleeping is allowed we use progressive backoff otherwise we spin. + * + * The return value is 0 on success or a negative errno on failure. A + * failure can happen either because we are not able to execute the + * command or FW executes it but signals an error. In the latter case + * the return value is the error code indicated by FW (negated). + */ +int t4vf_wr_mbox_core(struct adapter *adapter, + const void __attribute__((__may_alias__)) *cmd, + int size, void *rpl, bool sleep_ok) +{ + /* + * We delay in small increments at first in an effort to maintain + * responsiveness for simple, fast executing commands but then back + * off to larger delays to a maximum retry delay. + */ + static const int delay[] = { + 1, 1, 3, 5, 10, 10, 20, 50, 100 + }; + + + u32 mbox_ctl = T4VF_CIM_BASE_ADDR + A_CIM_VF_EXT_MAILBOX_CTRL; + __be64 cmd_rpl[MBOX_LEN / 8]; + struct mbox_entry entry; + unsigned int delay_idx; + u32 v, mbox_data; + const __be64 *p; + int i, ret; + int ms; + + /* In T6, mailbox size is changed to 128 bytes to avoid + * invalidating the entire prefetch buffer. + */ + if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) + mbox_data = T4VF_MBDATA_BASE_ADDR; + else + mbox_data = T6VF_MBDATA_BASE_ADDR; + + /* + * Commands must be multiples of 16 bytes in length and may not be + * larger than the size of the Mailbox Data register array. + */ + if ((size % 16) != 0 || + size > NUM_CIM_VF_MAILBOX_DATA_INSTANCES * 4) + return -EINVAL; + + /* + * Queue ourselves onto the mailbox access list. When our entry is at + * the front of the list, we have rights to access the mailbox. So we + * wait [for a while] till we're at the front [or bail out with an + * EBUSY] ... + */ + t4_os_atomic_add_tail(&entry, &adapter->mbox_list, &adapter->mbox_lock); + + delay_idx = 0; + ms = delay[0]; + + for (i = 0; ; i += ms) { + /* + * If we've waited too long, return a busy indication. This + * really ought to be based on our initial position in the + * mailbox access list but this is a start. We very rarely + * contend on access to the mailbox ... + */ + if (i > (2 * FW_CMD_MAX_TIMEOUT)) { + t4_os_atomic_list_del(&entry, &adapter->mbox_list, + &adapter->mbox_lock); + ret = -EBUSY; + return ret; + } + + /* + * If we're at the head, break out and start the mailbox + * protocol. + */ + if (t4_os_list_first_entry(&adapter->mbox_list) == &entry) + break; + + /* + * Delay for a bit before checking again ... + */ + if (sleep_ok) { + ms = delay[delay_idx]; /* last element may repeat */ + if (delay_idx < ARRAY_SIZE(delay) - 1) + delay_idx++; + msleep(ms); + } else { + rte_delay_ms(ms); + } + } + + /* + * Loop trying to get ownership of the mailbox. Return an error + * if we can't gain ownership. + */ + v = G_MBOWNER(t4_read_reg(adapter, mbox_ctl)); + for (i = 0; v == X_MBOWNER_NONE && i < 3; i++) + v = G_MBOWNER(t4_read_reg(adapter, mbox_ctl)); + + if (v != X_MBOWNER_PL) { + t4_os_atomic_list_del(&entry, &adapter->mbox_list, + &adapter->mbox_lock); + ret = (v == X_MBOWNER_FW) ? -EBUSY : -ETIMEDOUT; + return ret; + } + + /* + * Write the command array into the Mailbox Data register array and + * transfer ownership of the mailbox to the firmware. + */ + for (i = 0, p = cmd; i < size; i += 8) + t4_write_reg64(adapter, mbox_data + i, be64_to_cpu(*p++)); + + t4_read_reg(adapter, mbox_data); /* flush write */ + t4_write_reg(adapter, mbox_ctl, + F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW)); + t4_read_reg(adapter, mbox_ctl); /* flush write */ + delay_idx = 0; + ms = delay[0]; + + /* + * Spin waiting for firmware to acknowledge processing our command. + */ + for (i = 0; i < FW_CMD_MAX_TIMEOUT; i++) { + if (sleep_ok) { + ms = delay[delay_idx]; /* last element may repeat */ + if (delay_idx < ARRAY_SIZE(delay) - 1) + delay_idx++; + msleep(ms); + } else { + rte_delay_ms(ms); + } + + /* + * If we're the owner, see if this is the reply we wanted. + */ + v = t4_read_reg(adapter, mbox_ctl); + if (G_MBOWNER(v) == X_MBOWNER_PL) { + /* + * If the Message Valid bit isn't on, revoke ownership + * of the mailbox and continue waiting for our reply. + */ + if ((v & F_MBMSGVALID) == 0) { + t4_write_reg(adapter, mbox_ctl, + V_MBOWNER(X_MBOWNER_NONE)); + continue; + } + + /* + * We now have our reply. Extract the command return + * value, copy the reply back to our caller's buffer + * (if specified) and revoke ownership of the mailbox. + * We return the (negated) firmware command return + * code (this depends on FW_SUCCESS == 0). (Again we + * avoid clogging the log with FW_VI_STATS_CMD + * reply results.) + */ + + /* + * Retrieve the command reply and release the mailbox. + */ + get_mbox_rpl(adapter, cmd_rpl, size / 8, mbox_data); + t4_write_reg(adapter, mbox_ctl, + V_MBOWNER(X_MBOWNER_NONE)); + t4_os_atomic_list_del(&entry, &adapter->mbox_list, + &adapter->mbox_lock); + + /* return value in high-order host-endian word */ + v = be64_to_cpu(cmd_rpl[0]); + + if (rpl) { + /* request bit in high-order BE word */ + WARN_ON((be32_to_cpu(*(const u32 *)cmd) + & F_FW_CMD_REQUEST) == 0); + memcpy(rpl, cmd_rpl, size); + } + return -((int)G_FW_CMD_RETVAL(v)); + } + } + + /* + * We timed out. Return the error ... + */ + dev_err(adapter, "command %#x timed out\n", + *(const u8 *)cmd); + dev_err(adapter, " Control = %#x\n", t4_read_reg(adapter, mbox_ctl)); + t4_os_atomic_list_del(&entry, &adapter->mbox_list, &adapter->mbox_lock); + ret = -ETIMEDOUT; + return ret; +} + +/** + * t4vf_fw_reset - issue a reset to FW + * @adapter: the adapter + * + * Issues a reset command to FW. For a Physical Function this would + * result in the Firmware resetting all of its state. For a Virtual + * Function this just resets the state associated with the VF. + */ +int t4vf_fw_reset(struct adapter *adapter) +{ + struct fw_reset_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RESET_CMD) | + F_FW_CMD_WRITE); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(FW_LEN16(cmd))); + return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); +} + +/** + * t4vf_prep_adapter - prepare SW and HW for operation + * @adapter: the adapter + * + * Initialize adapter SW state for the various HW modules, set initial + * values for some adapter tunables, take PHYs out of reset, and + * initialize the MDIO interface. + */ +int t4vf_prep_adapter(struct adapter *adapter) +{ + u32 pl_vf_rev; + int ret, ver; + + ret = t4vf_wait_dev_ready(adapter); + if (ret < 0) + return ret; + + /* + * Default port and clock for debugging in case we can't reach + * firmware. + */ + adapter->params.nports = 1; + adapter->params.vfres.pmask = 1; + adapter->params.vpd.cclk = 50000; + + pl_vf_rev = G_REV(t4_read_reg(adapter, A_PL_VF_REV)); + adapter->params.pci.device_id = adapter->pdev->id.device_id; + adapter->params.pci.vendor_id = adapter->pdev->id.vendor_id; + + /* + * WE DON'T NEED adapter->params.chip CODE ONCE PL_REV CONTAINS + * ADAPTER (VERSION << 4 | REVISION) + */ + ver = CHELSIO_PCI_ID_VER(adapter->params.pci.device_id); + adapter->params.chip = 0; + switch (ver) { + case CHELSIO_T5: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, + pl_vf_rev); + adapter->params.arch.sge_fl_db = F_DBPRIO | F_DBTYPE; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + break; + case CHELSIO_T6: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, + pl_vf_rev); + adapter->params.arch.sge_fl_db = 0; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + break; + default: + dev_err(adapter, "%s: Device %d is not supported\n", + __func__, adapter->params.pci.device_id); + return -EINVAL; + } + return 0; +} + +/** + * t4vf_query_params - query FW or device parameters + * @adapter: the adapter + * @nparams: the number of parameters + * @params: the parameter names + * @vals: the parameter values + * + * Reads the values of firmware or device parameters. Up to 7 parameters + * can be queried at once. + */ +int t4vf_query_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, u32 *vals) +{ + struct fw_params_cmd cmd, rpl; + struct fw_params_param *p; + unsigned int i; + size_t len16; + int ret; + + if (nparams > 7) + return -EINVAL; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, + param[nparams]), 16); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16)); + for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) + p->mnem = cpu_to_be32(*params++); + ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (ret == 0) + for (i = 0, p = &rpl.param[0]; i < nparams; i++, p++) + *vals++ = be32_to_cpu(p->val); + return ret; +} + +/** + * t4vf_get_vpd_params - retrieve device VPD paremeters + * @adapter: the adapter + * + * Retrives various device Vital Product Data parameters. The parameters + * are stored in @adapter->params.vpd. + */ +int t4vf_get_vpd_params(struct adapter *adapter) +{ + struct vpd_params *vpd_params = &adapter->params.vpd; + u32 params[7], vals[7]; + int v; + + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); + v = t4vf_query_params(adapter, 1, params, vals); + if (v != FW_SUCCESS) + return v; + vpd_params->cclk = vals[0]; + dev_debug(adapter, "%s: vpd_params->cclk = %u\n", + __func__, vpd_params->cclk); + return 0; +} + +/** + * t4vf_get_dev_params - retrieve device paremeters + * @adapter: the adapter + * + * Retrives fw and tp version. + */ +int t4vf_get_dev_params(struct adapter *adapter) +{ + u32 params[7], vals[7]; + int v; + + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWREV)); + params[1] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_TPREV)); + v = t4vf_query_params(adapter, 2, params, vals); + if (v != FW_SUCCESS) + return v; + adapter->params.fw_vers = vals[0]; + adapter->params.tp_vers = vals[1]; + + dev_info(adapter, "Firmware version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.fw_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.fw_vers)); + + dev_info(adapter, "TP Microcode version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.tp_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.tp_vers)); + return 0; +} + +/** + * t4vf_set_params - sets FW or device parameters + * @adapter: the adapter + * @nparams: the number of parameters + * @params: the parameter names + * @vals: the parameter values + * + * Sets the values of firmware or device parameters. Up to 7 parameters + * can be specified at once. + */ +int t4vf_set_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, const u32 *vals) +{ + struct fw_params_param *p; + struct fw_params_cmd cmd; + unsigned int i; + size_t len16; + + if (nparams > 7) + return -EINVAL; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_WRITE); + len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, + param[nparams]), 16); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16)); + for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) { + p->mnem = cpu_to_be32(*params++); + p->val = cpu_to_be32(*vals++); + } + return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); +} + +/** + * t4vf_fl_pkt_align - return the fl packet alignment + * @adapter: the adapter + * + * T4 has a single field to specify the packing and padding boundary. + * T5 onwards has separate fields for this and hence the alignment for + * next packet offset is maximum of these two. + */ +int t4vf_fl_pkt_align(struct adapter *adapter, u32 sge_control, + u32 sge_control2) +{ + unsigned int ingpadboundary, ingpackboundary, fl_align, ingpad_shift; + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. + */ + if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) + ingpad_shift = X_INGPADBOUNDARY_SHIFT; + else + ingpad_shift = X_T6_INGPADBOUNDARY_SHIFT; + + ingpadboundary = 1 << (G_INGPADBOUNDARY(sge_control) + ingpad_shift); + + fl_align = ingpadboundary; + if (!is_t4(adapter->params.chip)) { + ingpackboundary = G_INGPACKBOUNDARY(sge_control2); + if (ingpackboundary == X_INGPACKBOUNDARY_16B) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + X_INGPACKBOUNDARY_SHIFT); + + fl_align = max(ingpadboundary, ingpackboundary); + } + return fl_align; +} + +unsigned int t4vf_get_pf_from_vf(struct adapter *adapter) +{ + u32 whoami; + + whoami = t4_read_reg(adapter, T4VF_PL_BASE_ADDR + A_PL_VF_WHOAMI); + return (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? + G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami)); +} + +/** + * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration + * @adapter: the adapter + * + * Retrieves global RSS mode and parameters with which we have to live + * and stores them in the @adapter's RSS parameters. + */ +int t4vf_get_rss_glb_config(struct adapter *adapter) +{ + struct rss_params *rss = &adapter->params.rss; + struct fw_rss_glb_config_cmd cmd, rpl; + int v; + + /* + * Execute an RSS Global Configuration read command to retrieve + * our RSS configuration. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + + /* + * Translate the big-endian RSS Global Configuration into our + * cpu-endian format based on the RSS mode. We also do first level + * filtering at this point to weed out modes which don't support + * VF Drivers ... + */ + rss->mode = G_FW_RSS_GLB_CONFIG_CMD_MODE + (be32_to_cpu(rpl.u.manual.mode_pkd)); + switch (rss->mode) { + case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { + u32 word = be32_to_cpu + (rpl.u.basicvirtual.synmapen_to_hashtoeplitz); + + rss->u.basicvirtual.synmapen = + ((word & F_FW_RSS_GLB_CONFIG_CMD_SYNMAPEN) != 0); + rss->u.basicvirtual.syn4tupenipv6 = + ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6) != 0); + rss->u.basicvirtual.syn2tupenipv6 = + ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6) != 0); + rss->u.basicvirtual.syn4tupenipv4 = + ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4) != 0); + rss->u.basicvirtual.syn2tupenipv4 = + ((word & F_FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4) != 0); + rss->u.basicvirtual.ofdmapen = + ((word & F_FW_RSS_GLB_CONFIG_CMD_OFDMAPEN) != 0); + rss->u.basicvirtual.tnlmapen = + ((word & F_FW_RSS_GLB_CONFIG_CMD_TNLMAPEN) != 0); + rss->u.basicvirtual.tnlalllookup = + ((word & F_FW_RSS_GLB_CONFIG_CMD_TNLALLLKP) != 0); + rss->u.basicvirtual.hashtoeplitz = + ((word & F_FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ) != 0); + + /* we need at least Tunnel Map Enable to be set */ + if (!rss->u.basicvirtual.tnlmapen) + return -EINVAL; + break; + } + + default: + /* all unknown/unsupported RSS modes result in an error */ + return -EINVAL; + } + return 0; +} + +/** + * t4vf_get_vfres - retrieve VF resource limits + * @adapter: the adapter + * + * Retrieves configured resource limits and capabilities for a virtual + * function. The results are stored in @adapter->vfres. + */ +int t4vf_get_vfres(struct adapter *adapter) +{ + struct vf_resources *vfres = &adapter->params.vfres; + struct fw_pfvf_cmd cmd, rpl; + u32 word; + int v; + + /* + * Execute PFVF Read command to get VF resource limits; bail out early + * with error on command failure. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + + /* + * Extract VF resource limits and return success. + */ + word = be32_to_cpu(rpl.niqflint_niq); + vfres->niqflint = G_FW_PFVF_CMD_NIQFLINT(word); + vfres->niq = G_FW_PFVF_CMD_NIQ(word); + + word = be32_to_cpu(rpl.type_to_neq); + vfres->neq = G_FW_PFVF_CMD_NEQ(word); + vfres->pmask = G_FW_PFVF_CMD_PMASK(word); + + word = be32_to_cpu(rpl.tc_to_nexactf); + vfres->tc = G_FW_PFVF_CMD_TC(word); + vfres->nvi = G_FW_PFVF_CMD_NVI(word); + vfres->nexactf = G_FW_PFVF_CMD_NEXACTF(word); + + word = be32_to_cpu(rpl.r_caps_to_nethctrl); + vfres->r_caps = G_FW_PFVF_CMD_R_CAPS(word); + vfres->wx_caps = G_FW_PFVF_CMD_WX_CAPS(word); + vfres->nethctrl = G_FW_PFVF_CMD_NETHCTRL(word); + return 0; +} + +/** + * t4vf_get_port_stats_fw - collect "port" statistics via Firmware + * @adapter: the adapter + * @pidx: the port index + * @s: the stats structure to fill + * + * Collect statistics for the "port"'s Virtual Interface via Firmware + * commands. + */ +static int t4vf_get_port_stats_fw(struct adapter *adapter, int pidx, + struct port_stats *p) +{ + struct port_info *pi = adap2pinfo(adapter, pidx); + unsigned int rem = VI_VF_NUM_STATS; + struct fw_vi_stats_vf fwstats; + __be64 *fwsp = (__be64 *)&fwstats; + + /* + * Grab the Virtual Interface statistics a chunk at a time via mailbox + * commands. We could use a Work Request and get all of them at once + * but that's an asynchronous interface which is awkward to use. + */ + while (rem) { + unsigned int ix = VI_VF_NUM_STATS - rem; + unsigned int nstats = min(6U, rem); + struct fw_vi_stats_cmd cmd, rpl; + size_t len = (offsetof(struct fw_vi_stats_cmd, u) + + sizeof(struct fw_vi_stats_ctl)); + size_t len16 = DIV_ROUND_UP(len, 16); + int ret; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_STATS_CMD) | + V_FW_VI_STATS_CMD_VIID(pi->viid) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16)); + cmd.u.ctl.nstats_ix = + cpu_to_be16(V_FW_VI_STATS_CMD_IX(ix) | + V_FW_VI_STATS_CMD_NSTATS(nstats)); + ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl); + if (ret != FW_SUCCESS) + return ret; + + memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats); + + rem -= nstats; + fwsp += nstats; + } + + /* + * Translate firmware statistics into host native statistics. + */ + p->tx_octets = be64_to_cpu(fwstats.tx_bcast_bytes) + + be64_to_cpu(fwstats.tx_mcast_bytes) + + be64_to_cpu(fwstats.tx_ucast_bytes); + p->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames); + p->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames); + p->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames); + p->tx_drop = be64_to_cpu(fwstats.tx_drop_frames); + + p->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames); + p->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames); + p->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames); + p->rx_len_err = be64_to_cpu(fwstats.rx_err_frames); + + return 0; +} + +/** + * t4vf_get_port_stats - collect "port" statistics + * @adapter: the adapter + * @pidx: the port index + * @s: the stats structure to fill + * + * Collect statistics for the "port"'s Virtual Interface. + */ +void t4vf_get_port_stats(struct adapter *adapter, int pidx, + struct port_stats *p) +{ + /* + * If this is not the first Virtual Interface for our Virtual + * Function, we need to use Firmware commands to retrieve its + * MPS statistics. + */ + if (pidx != 0) + t4vf_get_port_stats_fw(adapter, pidx, p); + + /* + * But for the first VI, we can grab its statistics via the MPS + * register mapped into the VF register space. + */ +#define GET_STAT(name) \ + t4_read_reg64(adapter, \ + T4VF_MPS_BASE_ADDR + A_MPS_VF_STAT_##name##_L) + p->tx_octets = GET_STAT(TX_VF_BCAST_BYTES) + + GET_STAT(TX_VF_MCAST_BYTES) + + GET_STAT(TX_VF_UCAST_BYTES); + p->tx_bcast_frames = GET_STAT(TX_VF_BCAST_FRAMES); + p->tx_mcast_frames = GET_STAT(TX_VF_MCAST_FRAMES); + p->tx_ucast_frames = GET_STAT(TX_VF_UCAST_FRAMES); + p->tx_drop = GET_STAT(TX_VF_DROP_FRAMES); + + p->rx_bcast_frames = GET_STAT(RX_VF_BCAST_FRAMES); + p->rx_mcast_frames = GET_STAT(RX_VF_MCAST_FRAMES); + p->rx_ucast_frames = GET_STAT(RX_VF_UCAST_FRAMES); + + p->rx_len_err = GET_STAT(RX_VF_ERR_FRAMES); +#undef GET_STAT +} + +static int t4vf_alloc_vi(struct adapter *adapter, int port_id) +{ + struct fw_vi_cmd cmd, rpl; + int v; + + /* + * Execute a VI command to allocate Virtual Interface and return its + * VIID. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | + F_FW_CMD_EXEC); + cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | + F_FW_VI_CMD_ALLOC); + cmd.portid_pkd = V_FW_VI_CMD_PORTID(port_id); + v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + return G_FW_VI_CMD_VIID(be16_to_cpu(rpl.type_to_viid)); +} + +int t4vf_port_init(struct adapter *adapter) +{ + unsigned int fw_caps = adapter->params.fw_caps_support; + struct fw_port_cmd port_cmd, port_rpl; + struct fw_vi_cmd vi_cmd, vi_rpl; + fw_port_cap32_t pcaps, acaps; + enum fw_port_type port_type; + int mdio_addr; + int ret, i; + + for_each_port(adapter, i) { + struct port_info *p = adap2pinfo(adapter, i); + + /* + * If we haven't yet determined if we're talking to Firmware + * which knows the new 32-bit Port Caps, it's time to find + * out now. This will also tell new Firmware to send us Port + * Status Updates using the new 32-bit Port Capabilities + * version of the Port Information message. + */ + if (fw_caps == FW_CAPS_UNKNOWN) { + u32 param, val; + + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | + V_FW_PARAMS_PARAM_X + (FW_PARAMS_PARAM_PFVF_PORT_CAPS32)); + val = 1; + ret = t4vf_set_params(adapter, 1, ¶m, &val); + fw_caps = (ret == 0 ? FW_CAPS32 : FW_CAPS16); + adapter->params.fw_caps_support = fw_caps; + } + + ret = t4vf_alloc_vi(adapter, p->port_id); + if (ret < 0) { + dev_err(&pdev->dev, "cannot allocate VI for port %d:" + " err=%d\n", p->port_id, ret); + return ret; + } + p->viid = ret; + + /* + * Execute a VI Read command to get our Virtual Interface + * information like MAC address, etc. + */ + memset(&vi_cmd, 0, sizeof(vi_cmd)); + vi_cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd)); + vi_cmd.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(p->viid)); + ret = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl); + if (ret != FW_SUCCESS) + return ret; + + p->rss_size = G_FW_VI_CMD_RSSSIZE + (be16_to_cpu(vi_rpl.norss_rsssize)); + t4_os_set_hw_addr(adapter, i, vi_rpl.mac); + + /* + * If we don't have read access to our port information, we're + * done now. Else, execute a PORT Read command to get it ... + */ + if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT)) + return 0; + + memset(&port_cmd, 0, sizeof(port_cmd)); + port_cmd.op_to_portid = cpu_to_be32 + (V_FW_CMD_OP(FW_PORT_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_READ | + V_FW_PORT_CMD_PORTID(p->port_id)); + port_cmd.action_to_len16 = cpu_to_be32 + (V_FW_PORT_CMD_ACTION(fw_caps == FW_CAPS16 ? + FW_PORT_ACTION_GET_PORT_INFO : + FW_PORT_ACTION_GET_PORT_INFO32) | + FW_LEN16(port_cmd)); + ret = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), + &port_rpl); + if (ret != FW_SUCCESS) + return ret; + + /* + * Extract the various fields from the Port Information message. + */ + if (fw_caps == FW_CAPS16) { + u32 lstatus = be32_to_cpu + (port_rpl.u.info.lstatus_to_modtype); + + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mdio_addr = ((lstatus & F_FW_PORT_CMD_MDIOCAP) ? + (int)G_FW_PORT_CMD_MDIOADDR(lstatus) : + -1); + pcaps = fwcaps16_to_caps32 + (be16_to_cpu(port_rpl.u.info.pcap)); + acaps = fwcaps16_to_caps32 + (be16_to_cpu(port_rpl.u.info.acap)); + } else { + u32 lstatus32 = be32_to_cpu + (port_rpl.u.info32.lstatus32_to_cbllen32); + + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mdio_addr = ((lstatus32 & F_FW_PORT_CMD_MDIOCAP32) ? + (int)G_FW_PORT_CMD_MDIOADDR32(lstatus32) : + -1); + pcaps = be32_to_cpu(port_rpl.u.info32.pcaps32); + acaps = be32_to_cpu(port_rpl.u.info32.acaps32); + } + + p->port_type = port_type; + p->mdio_addr = mdio_addr; + p->mod_type = FW_PORT_MOD_TYPE_NA; + init_link_config(&p->link_cfg, pcaps, acaps); + } + return 0; +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.h b/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.h new file mode 100644 index 000000000..55e436e74 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/base/t4vf_hw.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef __T4VF_HW_H +#define __T4VF_HW_H + +#define T4VF_PL_BASE_ADDR 0x0200 +#define T4VF_CIM_BASE_ADDR 0x0300 +#define T4VF_MBDATA_BASE_ADDR 0x0240 +#define T6VF_MBDATA_BASE_ADDR 0x0280 + +#define NUM_CIM_VF_MAILBOX_DATA_INSTANCES NUM_CIM_PF_MAILBOX_DATA_INSTANCES +#endif /* __T4VF_HW_H */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.c b/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.c new file mode 100644 index 000000000..a0ab2a6ac --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.c @@ -0,0 +1,193 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include "base/common.h" +#include "clip_tbl.h" + +/** + * Allocate clip entry in HW with associated IPV4/IPv6 address + */ +static int clip6_get_mbox(const struct rte_eth_dev *dev, const u32 *lip) +{ + struct adapter *adap = ethdev2adap(dev); + struct fw_clip_cmd c; + u64 hi = ((u64)lip[1]) << 32 | lip[0]; + u64 lo = ((u64)lip[3]) << 32 | lip[2]; + + memset(&c, 0, sizeof(c)); + c.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CLIP_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE); + c.alloc_to_len16 = cpu_to_be32(F_FW_CLIP_CMD_ALLOC | FW_LEN16(c)); + c.ip_hi = hi; + c.ip_lo = lo; + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); +} + +/** + * Delete clip entry in HW having the associated IPV4/IPV6 address + */ +static int clip6_release_mbox(const struct rte_eth_dev *dev, const u32 *lip) +{ + struct adapter *adap = ethdev2adap(dev); + struct fw_clip_cmd c; + u64 hi = ((u64)lip[1]) << 32 | lip[0]; + u64 lo = ((u64)lip[3]) << 32 | lip[2]; + + memset(&c, 0, sizeof(c)); + c.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CLIP_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ); + c.alloc_to_len16 = cpu_to_be32(F_FW_CLIP_CMD_FREE | FW_LEN16(c)); + c.ip_hi = hi; + c.ip_lo = lo; + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); +} + +/** + * cxgbe_clip_release - Release associated CLIP entry + * @ce: clip entry to release + * + * Releases ref count and frees up a clip entry from CLIP table + */ +void cxgbe_clip_release(struct rte_eth_dev *dev, struct clip_entry *ce) +{ + int ret; + + t4_os_lock(&ce->lock); + if (rte_atomic32_dec_and_test(&ce->refcnt)) { + ret = clip6_release_mbox(dev, ce->addr); + if (ret) + dev_debug(adap, "CLIP FW DEL CMD failed: %d", ret); + } + t4_os_unlock(&ce->lock); +} + +/** + * find_or_alloc_clipe - Find/Allocate a free CLIP entry + * @c: CLIP table + * @lip: IPV4/IPV6 address to compare/add + * Returns pointer to the IPV4/IPV6 entry found/created + * + * Finds/Allocates an CLIP entry to be used for a filter rule. + */ +static struct clip_entry *find_or_alloc_clipe(struct clip_tbl *c, + const u32 *lip) +{ + struct clip_entry *end, *e; + struct clip_entry *first_free = NULL; + unsigned int clipt_size = c->clipt_size; + + for (e = &c->cl_list[0], end = &c->cl_list[clipt_size]; e != end; ++e) { + if (rte_atomic32_read(&e->refcnt) == 0) { + if (!first_free) + first_free = e; + } else { + if (memcmp(lip, e->addr, sizeof(e->addr)) == 0) + goto exists; + } + } + + if (first_free) { + e = first_free; + goto exists; + } + + return NULL; + +exists: + return e; +} + +static struct clip_entry *t4_clip_alloc(struct rte_eth_dev *dev, + u32 *lip, u8 v6) +{ + struct adapter *adap = ethdev2adap(dev); + struct clip_tbl *ctbl = adap->clipt; + struct clip_entry *ce; + int ret = 0; + + if (!ctbl) + return NULL; + + t4_os_write_lock(&ctbl->lock); + ce = find_or_alloc_clipe(ctbl, lip); + if (ce) { + t4_os_lock(&ce->lock); + if (!rte_atomic32_read(&ce->refcnt)) { + rte_memcpy(ce->addr, lip, sizeof(ce->addr)); + if (v6) { + ce->type = FILTER_TYPE_IPV6; + rte_atomic32_set(&ce->refcnt, 1); + ret = clip6_get_mbox(dev, lip); + if (ret) + dev_debug(adap, + "CLIP FW ADD CMD failed: %d", + ret); + } else { + ce->type = FILTER_TYPE_IPV4; + } + } else { + rte_atomic32_inc(&ce->refcnt); + } + t4_os_unlock(&ce->lock); + } + t4_os_write_unlock(&ctbl->lock); + + return ret ? NULL : ce; +} + +/** + * cxgbe_clip_alloc - Allocate a IPV6 CLIP entry + * @dev: rte_eth_dev pointer + * @lip: IPV6 address to add + * Returns pointer to the CLIP entry created + * + * Allocates a IPV6 CLIP entry to be used for a filter rule. + */ +struct clip_entry *cxgbe_clip_alloc(struct rte_eth_dev *dev, u32 *lip) +{ + return t4_clip_alloc(dev, lip, FILTER_TYPE_IPV6); +} + +/** + * Initialize CLIP Table + */ +struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, + unsigned int clipt_end) +{ + unsigned int clipt_size; + struct clip_tbl *ctbl; + unsigned int i; + + if (clipt_start >= clipt_end) + return NULL; + + clipt_size = clipt_end - clipt_start + 1; + + ctbl = t4_os_alloc(sizeof(*ctbl) + + clipt_size * sizeof(struct clip_entry)); + if (!ctbl) + return NULL; + + ctbl->clipt_start = clipt_start; + ctbl->clipt_size = clipt_size; + + t4_os_rwlock_init(&ctbl->lock); + + for (i = 0; i < ctbl->clipt_size; i++) { + t4_os_lock_init(&ctbl->cl_list[i].lock); + rte_atomic32_set(&ctbl->cl_list[i].refcnt, 0); + } + + return ctbl; +} + +/** + * Cleanup CLIP Table + */ +void t4_cleanup_clip_tbl(struct adapter *adap) +{ + if (adap->clipt) + t4_os_free(adap->clipt); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.h b/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.h new file mode 100644 index 000000000..737ccc691 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/clip_tbl.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_CLIP_H_ +#define _CXGBE_CLIP_H_ + +/* + * State for the corresponding entry of the HW CLIP table. + */ +struct clip_entry { + enum filter_type type; /* entry type */ + u32 addr[4]; /* IPV4 or IPV6 address */ + rte_spinlock_t lock; /* entry lock */ + rte_atomic32_t refcnt; /* entry reference count */ +}; + +struct clip_tbl { + unsigned int clipt_start; /* start index of CLIP table */ + unsigned int clipt_size; /* size of CLIP table */ + rte_rwlock_t lock; /* table rw lock */ + struct clip_entry cl_list[0]; /* MUST BE LAST */ +}; + +struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, + unsigned int clipt_end); +void t4_cleanup_clip_tbl(struct adapter *adap); +struct clip_entry *cxgbe_clip_alloc(struct rte_eth_dev *dev, u32 *lip); +void cxgbe_clip_release(struct rte_eth_dev *dev, struct clip_entry *ce); +#endif /* _CXGBE_CLIP_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe.h new file mode 100644 index 000000000..0bf6061c0 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_H_ +#define _CXGBE_H_ + +#include "base/common.h" +#include "base/t4_regs.h" + +#define CXGBE_MIN_RING_DESC_SIZE 128 /* Min TX/RX descriptor ring size */ +#define CXGBE_MAX_RING_DESC_SIZE 4096 /* Max TX/RX descriptor ring size */ + +#define CXGBE_DEFAULT_TX_DESC_SIZE 1024 /* Default TX ring size */ +#define CXGBE_DEFAULT_RX_DESC_SIZE 1024 /* Default RX ring size */ + +#define CXGBE_MIN_RX_BUFSIZE RTE_ETHER_MIN_MTU /* min buf size */ +#define CXGBE_MAX_RX_PKTLEN (9000 + RTE_ETHER_HDR_LEN + \ + RTE_ETHER_CRC_LEN) /* max pkt */ + +/* Max poll time is 100 * 100msec = 10 sec */ +#define CXGBE_LINK_STATUS_POLL_MS 100 /* 100ms */ +#define CXGBE_LINK_STATUS_POLL_CNT 100 /* Max number of times to poll */ + +#define CXGBE_DEFAULT_RSS_KEY_LEN 40 /* 320-bits */ +#define CXGBE_RSS_HF_IPV4_MASK (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \ + ETH_RSS_NONFRAG_IPV4_OTHER) +#define CXGBE_RSS_HF_IPV6_MASK (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \ + ETH_RSS_NONFRAG_IPV6_OTHER | \ + ETH_RSS_IPV6_EX) +#define CXGBE_RSS_HF_TCP_IPV6_MASK (ETH_RSS_NONFRAG_IPV6_TCP | \ + ETH_RSS_IPV6_TCP_EX) +#define CXGBE_RSS_HF_UDP_IPV6_MASK (ETH_RSS_NONFRAG_IPV6_UDP | \ + ETH_RSS_IPV6_UDP_EX) +#define CXGBE_RSS_HF_ALL (ETH_RSS_IP | ETH_RSS_TCP | ETH_RSS_UDP) + +/* Tx/Rx Offloads supported */ +#define CXGBE_TX_OFFLOADS (DEV_TX_OFFLOAD_VLAN_INSERT | \ + DEV_TX_OFFLOAD_IPV4_CKSUM | \ + DEV_TX_OFFLOAD_UDP_CKSUM | \ + DEV_TX_OFFLOAD_TCP_CKSUM | \ + DEV_TX_OFFLOAD_TCP_TSO | \ + DEV_TX_OFFLOAD_MULTI_SEGS) + +#define CXGBE_RX_OFFLOADS (DEV_RX_OFFLOAD_VLAN_STRIP | \ + DEV_RX_OFFLOAD_IPV4_CKSUM | \ + DEV_RX_OFFLOAD_UDP_CKSUM | \ + DEV_RX_OFFLOAD_TCP_CKSUM | \ + DEV_RX_OFFLOAD_JUMBO_FRAME | \ + DEV_RX_OFFLOAD_SCATTER | \ + DEV_RX_OFFLOAD_RSS_HASH) + +/* Devargs filtermode and filtermask representation */ +enum cxgbe_devargs_filter_mode_flags { + CXGBE_DEVARGS_FILTER_MODE_PHYSICAL_PORT = (1 << 0), + CXGBE_DEVARGS_FILTER_MODE_PF_VF = (1 << 1), + + CXGBE_DEVARGS_FILTER_MODE_ETHERNET_DSTMAC = (1 << 2), + CXGBE_DEVARGS_FILTER_MODE_ETHERNET_ETHTYPE = (1 << 3), + CXGBE_DEVARGS_FILTER_MODE_VLAN_INNER = (1 << 4), + CXGBE_DEVARGS_FILTER_MODE_VLAN_OUTER = (1 << 5), + CXGBE_DEVARGS_FILTER_MODE_IP_TOS = (1 << 6), + CXGBE_DEVARGS_FILTER_MODE_IP_PROTOCOL = (1 << 7), + CXGBE_DEVARGS_FILTER_MODE_MAX = (1 << 8), +}; + +enum cxgbe_filter_vnic_mode { + CXGBE_FILTER_VNIC_MODE_NONE, + CXGBE_FILTER_VNIC_MODE_PFVF, + CXGBE_FILTER_VNIC_MODE_OVLAN, +}; + +/* Common PF and VF devargs */ +#define CXGBE_DEVARG_CMN_KEEP_OVLAN "keep_ovlan" +#define CXGBE_DEVARG_CMN_TX_MODE_LATENCY "tx_mode_latency" + +/* VF only devargs */ +#define CXGBE_DEVARG_VF_FORCE_LINK_UP "force_link_up" + +/* Filter Mode/Mask devargs */ +#define CXGBE_DEVARG_PF_FILTER_MODE "filtermode" +#define CXGBE_DEVARG_PF_FILTER_MASK "filtermask" + +bool cxgbe_force_linkup(struct adapter *adap); +int cxgbe_probe(struct adapter *adapter); +int cxgbevf_probe(struct adapter *adapter); +void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps); +int cxgbe_set_link_status(struct port_info *pi, bool status); +int cxgbe_up(struct adapter *adap); +int cxgbe_down(struct port_info *pi); +void cxgbe_close(struct adapter *adapter); +void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats); +void cxgbevf_stats_get(struct port_info *pi, struct port_stats *stats); +void cxgbe_stats_reset(struct port_info *pi); +int cxgbe_poll_for_completion(struct sge_rspq *q, unsigned int us, + unsigned int cnt, struct t4_completion *c); +int cxgbe_link_start(struct port_info *pi); +int cxgbe_setup_sge_fwevtq(struct adapter *adapter); +int cxgbe_setup_sge_ctrl_txq(struct adapter *adapter); +void cxgbe_cfg_queues(struct rte_eth_dev *eth_dev); +int cxgbe_cfg_queue_count(struct rte_eth_dev *eth_dev); +int cxgbe_init_rss(struct adapter *adap); +int cxgbe_setup_rss(struct port_info *pi); +void cxgbe_enable_rx_queues(struct port_info *pi); +void cxgbe_print_port_info(struct adapter *adap); +void cxgbe_print_adapter_info(struct adapter *adap); +void cxgbe_process_devargs(struct adapter *adap); +void cxgbe_configure_max_ethqsets(struct adapter *adapter); + +#endif /* _CXGBE_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_compat.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_compat.h new file mode 100644 index 000000000..83ae1c2e5 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_compat.h @@ -0,0 +1,260 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_COMPAT_H_ +#define _CXGBE_COMPAT_H_ + +#include <string.h> +#include <stdint.h> +#include <stdio.h> +#include <stdarg.h> +#include <stdbool.h> + +#include <rte_common.h> +#include <rte_memcpy.h> +#include <rte_byteorder.h> +#include <rte_cycles.h> +#include <rte_spinlock.h> +#include <rte_log.h> +#include <rte_io.h> +#include <rte_net.h> + +extern int cxgbe_logtype; +extern int cxgbe_mbox_logtype; + +#define dev_printf(level, logtype, fmt, ...) \ + rte_log(RTE_LOG_ ## level, logtype, \ + "rte_cxgbe_pmd: " fmt, ##__VA_ARGS__) + +#define dev_err(x, fmt, ...) \ + dev_printf(ERR, cxgbe_logtype, fmt, ##__VA_ARGS__) +#define dev_info(x, fmt, ...) \ + dev_printf(INFO, cxgbe_logtype, fmt, ##__VA_ARGS__) +#define dev_warn(x, fmt, ...) \ + dev_printf(WARNING, cxgbe_logtype, fmt, ##__VA_ARGS__) +#define dev_debug(x, fmt, ...) \ + dev_printf(DEBUG, cxgbe_logtype, fmt, ##__VA_ARGS__) + +#define CXGBE_DEBUG_MBOX(x, fmt, ...) \ + dev_printf(DEBUG, cxgbe_mbox_logtype, "MBOX:" fmt, ##__VA_ARGS__) + +#define CXGBE_FUNC_TRACE() \ + dev_printf(DEBUG, cxgbe_logtype, "CXGBE trace: %s\n", __func__) + +#define pr_err(fmt, ...) dev_err(0, fmt, ##__VA_ARGS__) +#define pr_warn(fmt, ...) dev_warn(0, fmt, ##__VA_ARGS__) +#define pr_info(fmt, ...) dev_info(0, fmt, ##__VA_ARGS__) +#define BUG() pr_err("BUG at %s:%d", __func__, __LINE__) + +#define ASSERT(x) do {\ + if (!(x)) \ + rte_panic("CXGBE: x"); \ +} while (0) +#define BUG_ON(x) ASSERT(!(x)) + +#ifndef WARN_ON +#define WARN_ON(x) do { \ + int ret = !!(x); \ + if (unlikely(ret)) \ + pr_warn("WARN_ON: \"" #x "\" at %s:%d\n", __func__, __LINE__); \ +} while (0) +#endif + +#define __iomem + +#ifndef BIT +#define BIT(n) (1 << (n)) +#endif + +#define L1_CACHE_SHIFT 6 +#define L1_CACHE_BYTES BIT(L1_CACHE_SHIFT) + +#define PAGE_SHIFT 12 +#define CXGBE_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) +#define PTR_ALIGN(p, a) ((typeof(p))CXGBE_ALIGN((unsigned long)(p), (a))) + +#define VLAN_HLEN 4 +#define ETHER_ADDR_LEN 6 + +#define rmb() rte_rmb() /* dpdk rte provided rmb */ +#define wmb() rte_wmb() /* dpdk rte provided wmb */ + +typedef uint8_t u8; +typedef int8_t s8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef int32_t s32; +typedef uint64_t u64; +typedef uint64_t dma_addr_t; + +#ifndef __le16 +#define __le16 uint16_t +#endif +#ifndef __le32 +#define __le32 uint32_t +#endif +#ifndef __le64 +#define __le64 uint64_t +#endif +#ifndef __be16 +#define __be16 uint16_t +#endif +#ifndef __be32 +#define __be32 uint32_t +#endif +#ifndef __be64 +#define __be64 uint64_t +#endif +#ifndef __u8 +#define __u8 uint8_t +#endif +#ifndef __u16 +#define __u16 uint16_t +#endif +#ifndef __u32 +#define __u32 uint32_t +#endif +#ifndef __u64 +#define __u64 uint64_t +#endif + +#define FALSE 0 +#define TRUE 1 + +#ifndef min +#define min(a, b) RTE_MIN(a, b) +#endif + +#ifndef max +#define max(a, b) RTE_MAX(a, b) +#endif + +/* + * round up val _p to a power of 2 size _s + */ +#define cxgbe_roundup(_p, _s) (((unsigned long)(_p) + (_s - 1)) & ~(_s - 1)) + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + typeof(((type *)0)->member)(*__mptr) = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); }) +#endif + +#define ARRAY_SIZE(arr) RTE_DIM(arr) + +#define cpu_to_be16(o) rte_cpu_to_be_16(o) +#define cpu_to_be32(o) rte_cpu_to_be_32(o) +#define cpu_to_be64(o) rte_cpu_to_be_64(o) +#define cpu_to_le32(o) rte_cpu_to_le_32(o) +#define be16_to_cpu(o) rte_be_to_cpu_16(o) +#define be32_to_cpu(o) rte_be_to_cpu_32(o) +#define be64_to_cpu(o) rte_be_to_cpu_64(o) +#define le32_to_cpu(o) rte_le_to_cpu_32(o) + +#ifndef ntohs +#define ntohs(o) be16_to_cpu(o) +#endif + +#ifndef ntohl +#define ntohl(o) be32_to_cpu(o) +#endif + +#ifndef htons +#define htons(o) cpu_to_be16(o) +#endif + +#ifndef htonl +#define htonl(o) cpu_to_be32(o) +#endif + +#ifndef caddr_t +typedef char *caddr_t; +#endif + +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#define DELAY(x) rte_delay_us(x) +#define udelay(x) DELAY(x) +#define msleep(x) DELAY(1000 * (x)) +#define usleep_range(min, max) msleep(DIV_ROUND_UP(min, 1000)) + +static inline uint8_t hweight32(uint32_t word32) +{ + uint32_t res = word32 - ((word32 >> 1) & 0x55555555); + + res = (res & 0x33333333) + ((res >> 2) & 0x33333333); + res = (res + (res >> 4)) & 0x0F0F0F0F; + res = res + (res >> 8); + return (res + (res >> 16)) & 0x000000FF; + +} /* weight32 */ + +/** + * cxgbe_fls - find last (most-significant) bit set + * @x: the word to search + * + * This is defined the same way as ffs. + * Note cxgbe_fls(0) = 0, cxgbe_fls(1) = 1, cxgbe_fls(0x80000000) = 32. + */ +static inline int cxgbe_fls(int x) +{ + return x ? sizeof(x) * 8 - __builtin_clz(x) : 0; +} + +static inline unsigned long ilog2(unsigned long n) +{ + unsigned int e = 0; + + while (n) { + if (n & ~((1 << 8) - 1)) { + e += 8; + n >>= 8; + continue; + } + + if (n & ~((1 << 4) - 1)) { + e += 4; + n >>= 4; + } + + for (;;) { + n >>= 1; + if (n == 0) + break; + e++; + } + } + + return e; +} + +static inline void writel(unsigned int val, volatile void __iomem *addr) +{ + rte_write32(val, addr); +} + +static inline void writeq(u64 val, volatile void __iomem *addr) +{ + writel(val, addr); + writel(val >> 32, (void *)((uintptr_t)addr + 4)); +} + +static inline void writel_relaxed(unsigned int val, volatile void __iomem *addr) +{ + rte_write32_relaxed(val, addr); +} + +/* + * Multiplies an integer by a fraction, while avoiding unnecessary + * overflow or loss of precision. + */ +static inline unsigned int mult_frac(unsigned int x, unsigned int numer, + unsigned int denom) +{ + unsigned int quot = x / denom; + unsigned int rem = x % denom; + + return (quot * numer) + ((rem * numer) / denom); +} +#endif /* _CXGBE_COMPAT_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ethdev.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ethdev.c new file mode 100644 index 000000000..1deee2f5c --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ethdev.c @@ -0,0 +1,1259 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#include <sys/queue.h> +#include <stdio.h> +#include <errno.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include <stdarg.h> +#include <inttypes.h> +#include <netinet/in.h> + +#include <rte_byteorder.h> +#include <rte_common.h> +#include <rte_cycles.h> +#include <rte_interrupts.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_pci.h> +#include <rte_bus_pci.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_memory.h> +#include <rte_tailq.h> +#include <rte_eal.h> +#include <rte_alarm.h> +#include <rte_ether.h> +#include <rte_ethdev_driver.h> +#include <rte_ethdev_pci.h> +#include <rte_malloc.h> +#include <rte_random.h> +#include <rte_dev.h> + +#include "cxgbe.h" +#include "cxgbe_pfvf.h" +#include "cxgbe_flow.h" + +int cxgbe_logtype; +int cxgbe_mbox_logtype; + +/* + * Macros needed to support the PCI Device ID Table ... + */ +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ + static const struct rte_pci_id cxgb4_pci_tbl[] = { +#define CH_PCI_DEVICE_ID_FUNCTION 0x4 + +#define PCI_VENDOR_ID_CHELSIO 0x1425 + +#define CH_PCI_ID_TABLE_ENTRY(devid) \ + { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) } + +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ + { .vendor_id = 0, } \ + } + +/* + *... and the PCI ID Table itself ... + */ +#include "base/t4_pci_id_tbl.h" + +uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue; + uint16_t pkts_sent, pkts_remain; + uint16_t total_sent = 0; + uint16_t idx = 0; + int ret = 0; + + t4_os_lock(&txq->txq_lock); + /* free up desc from already completed tx */ + reclaim_completed_tx(&txq->q); + rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[0], volatile void *)); + while (total_sent < nb_pkts) { + pkts_remain = nb_pkts - total_sent; + + for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) { + idx = total_sent + pkts_sent; + if ((idx + 1) < nb_pkts) + rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[idx + 1], + volatile void *)); + ret = t4_eth_xmit(txq, tx_pkts[idx], nb_pkts); + if (ret < 0) + break; + } + if (!pkts_sent) + break; + total_sent += pkts_sent; + /* reclaim as much as possible */ + reclaim_completed_tx(&txq->q); + } + + t4_os_unlock(&txq->txq_lock); + return total_sent; +} + +uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue; + unsigned int work_done; + + if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done)) + dev_err(adapter, "error in cxgbe poll\n"); + + return work_done; +} + +int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev, + struct rte_eth_dev_info *device_info) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + int max_queues = adapter->sge.max_ethqsets / adapter->params.nports; + + static const struct rte_eth_desc_lim cxgbe_desc_lim = { + .nb_max = CXGBE_MAX_RING_DESC_SIZE, + .nb_min = CXGBE_MIN_RING_DESC_SIZE, + .nb_align = 1, + }; + + device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE; + device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN; + device_info->max_rx_queues = max_queues; + device_info->max_tx_queues = max_queues; + device_info->max_mac_addrs = 1; + /* XXX: For now we support one MAC/port */ + device_info->max_vfs = adapter->params.arch.vfcount; + device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */ + + device_info->rx_queue_offload_capa = 0UL; + device_info->rx_offload_capa = CXGBE_RX_OFFLOADS; + + device_info->tx_queue_offload_capa = 0UL; + device_info->tx_offload_capa = CXGBE_TX_OFFLOADS; + + device_info->reta_size = pi->rss_size; + device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN; + device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL; + + device_info->rx_desc_lim = cxgbe_desc_lim; + device_info->tx_desc_lim = cxgbe_desc_lim; + cxgbe_get_speed_caps(pi, &device_info->speed_capa); + + return 0; +} + +int cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, + 1, -1, 1, -1, false); +} + +int cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, + 0, -1, 1, -1, false); +} + +int cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + /* TODO: address filters ?? */ + + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, + -1, 1, 1, -1, false); +} + +int cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + /* TODO: address filters ?? */ + + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, + -1, 0, 1, -1, false); +} + +int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev, + int wait_to_complete) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct rte_eth_link new_link = { 0 }; + unsigned int i, work_done, budget = 32; + u8 old_link = pi->link_cfg.link_ok; + + for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) { + if (!s->fw_evtq.desc) + break; + + cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); + + /* Exit if link status changed or always forced up */ + if (pi->link_cfg.link_ok != old_link || + cxgbe_force_linkup(adapter)) + break; + + if (!wait_to_complete) + break; + + rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS); + } + + new_link.link_status = cxgbe_force_linkup(adapter) ? + ETH_LINK_UP : pi->link_cfg.link_ok; + new_link.link_autoneg = pi->link_cfg.autoneg; + new_link.link_duplex = ETH_LINK_FULL_DUPLEX; + new_link.link_speed = pi->link_cfg.speed; + + return rte_eth_linkstatus_set(eth_dev, &new_link); +} + +/** + * Set device link up. + */ +int cxgbe_dev_set_link_up(struct rte_eth_dev *dev) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + unsigned int work_done, budget = 32; + struct sge *s = &adapter->sge; + int ret; + + if (!s->fw_evtq.desc) + return -ENOMEM; + + /* Flush all link events */ + cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); + + /* If link already up, nothing to do */ + if (pi->link_cfg.link_ok) + return 0; + + ret = cxgbe_set_link_status(pi, true); + if (ret) + return ret; + + cxgbe_dev_link_update(dev, 1); + return 0; +} + +/** + * Set device link down. + */ +int cxgbe_dev_set_link_down(struct rte_eth_dev *dev) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + unsigned int work_done, budget = 32; + struct sge *s = &adapter->sge; + int ret; + + if (!s->fw_evtq.desc) + return -ENOMEM; + + /* Flush all link events */ + cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); + + /* If link already down, nothing to do */ + if (!pi->link_cfg.link_ok) + return 0; + + ret = cxgbe_set_link_status(pi, false); + if (ret) + return ret; + + cxgbe_dev_link_update(dev, 0); + return 0; +} + +int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct rte_eth_dev_info dev_info; + int err; + uint16_t new_mtu = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; + + err = cxgbe_dev_info_get(eth_dev, &dev_info); + if (err != 0) + return err; + + /* Must accommodate at least RTE_ETHER_MIN_MTU */ + if (new_mtu < RTE_ETHER_MIN_MTU || new_mtu > dev_info.max_rx_pktlen) + return -EINVAL; + + /* set to jumbo mode if needed */ + if (new_mtu > RTE_ETHER_MAX_LEN) + eth_dev->data->dev_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + else + eth_dev->data->dev_conf.rxmode.offloads &= + ~DEV_RX_OFFLOAD_JUMBO_FRAME; + + err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1, + -1, -1, true); + if (!err) + eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu; + + return err; +} + +/* + * Stop device. + */ +void cxgbe_dev_close(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + CXGBE_FUNC_TRACE(); + + if (!(adapter->flags & FULL_INIT_DONE)) + return; + + cxgbe_down(pi); + + /* + * We clear queues only if both tx and rx path of the port + * have been disabled + */ + t4_sge_eth_clear_queues(pi); +} + +/* Start the device. + * It returns 0 on success. + */ +int cxgbe_dev_start(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct rte_eth_rxmode *rx_conf = ð_dev->data->dev_conf.rxmode; + struct adapter *adapter = pi->adapter; + int err = 0, i; + + CXGBE_FUNC_TRACE(); + + /* + * If we don't have a connection to the firmware there's nothing we + * can do. + */ + if (!(adapter->flags & FW_OK)) { + err = -ENXIO; + goto out; + } + + if (!(adapter->flags & FULL_INIT_DONE)) { + err = cxgbe_up(adapter); + if (err < 0) + goto out; + } + + if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) + eth_dev->data->scattered_rx = 1; + else + eth_dev->data->scattered_rx = 0; + + cxgbe_enable_rx_queues(pi); + + err = cxgbe_setup_rss(pi); + if (err) + goto out; + + for (i = 0; i < pi->n_tx_qsets; i++) { + err = cxgbe_dev_tx_queue_start(eth_dev, i); + if (err) + goto out; + } + + for (i = 0; i < pi->n_rx_qsets; i++) { + err = cxgbe_dev_rx_queue_start(eth_dev, i); + if (err) + goto out; + } + + err = cxgbe_link_start(pi); + if (err) + goto out; + +out: + return err; +} + +/* + * Stop device: disable rx and tx functions to allow for reconfiguring. + */ +void cxgbe_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + CXGBE_FUNC_TRACE(); + + if (!(adapter->flags & FULL_INIT_DONE)) + return; + + cxgbe_down(pi); + + /* + * We clear queues only if both tx and rx path of the port + * have been disabled + */ + t4_sge_eth_clear_queues(pi); + eth_dev->data->scattered_rx = 0; +} + +int cxgbe_dev_configure(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + int err; + + CXGBE_FUNC_TRACE(); + + if (eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) + eth_dev->data->dev_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_RSS_HASH; + + if (!(adapter->flags & FW_QUEUE_BOUND)) { + err = cxgbe_setup_sge_fwevtq(adapter); + if (err) + return err; + adapter->flags |= FW_QUEUE_BOUND; + if (is_pf4(adapter)) { + err = cxgbe_setup_sge_ctrl_txq(adapter); + if (err) + return err; + } + } + + err = cxgbe_cfg_queue_count(eth_dev); + if (err) + return err; + + return 0; +} + +int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id) +{ + int ret; + struct sge_eth_txq *txq = (struct sge_eth_txq *) + (eth_dev->data->tx_queues[tx_queue_id]); + + dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id); + + ret = t4_sge_eth_txq_start(txq); + if (ret == 0) + eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; + + return ret; +} + +int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id) +{ + int ret; + struct sge_eth_txq *txq = (struct sge_eth_txq *) + (eth_dev->data->tx_queues[tx_queue_id]); + + dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id); + + ret = t4_sge_eth_txq_stop(txq); + if (ret == 0) + eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; + + return ret; +} + +int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t queue_idx, uint16_t nb_desc, + unsigned int socket_id, + const struct rte_eth_txconf *tx_conf __rte_unused) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx]; + int err = 0; + unsigned int temp_nb_desc; + + dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n", + __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc, + socket_id, pi->first_qset); + + /* Free up the existing queue */ + if (eth_dev->data->tx_queues[queue_idx]) { + cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]); + eth_dev->data->tx_queues[queue_idx] = NULL; + } + + eth_dev->data->tx_queues[queue_idx] = (void *)txq; + + /* Sanity Checking + * + * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE + */ + temp_nb_desc = nb_desc; + if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) { + dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n", + __func__, CXGBE_MIN_RING_DESC_SIZE, + CXGBE_DEFAULT_TX_DESC_SIZE); + temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE; + } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) { + dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n", + __func__, CXGBE_MIN_RING_DESC_SIZE, + CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE); + return -(EINVAL); + } + + txq->q.size = temp_nb_desc; + + err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx, + s->fw_evtq.cntxt_id, socket_id); + + dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n", + __func__, txq->q.cntxt_id, txq->q.abs_id, err); + return err; +} + +void cxgbe_dev_tx_queue_release(void *q) +{ + struct sge_eth_txq *txq = (struct sge_eth_txq *)q; + + if (txq) { + struct port_info *pi = (struct port_info *) + (txq->eth_dev->data->dev_private); + struct adapter *adap = pi->adapter; + + dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n", + __func__, pi->port_id, txq->q.cntxt_id); + + t4_sge_eth_txq_release(adap, txq); + } +} + +int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id) +{ + int ret; + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + struct sge_rspq *q; + + dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", + __func__, pi->port_id, rx_queue_id); + + q = eth_dev->data->rx_queues[rx_queue_id]; + + ret = t4_sge_eth_rxq_start(adap, q); + if (ret == 0) + eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; + + return ret; +} + +int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id) +{ + int ret; + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + struct sge_rspq *q; + + dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", + __func__, pi->port_id, rx_queue_id); + + q = eth_dev->data->rx_queues[rx_queue_id]; + ret = t4_sge_eth_rxq_stop(adap, q); + if (ret == 0) + eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; + + return ret; +} + +int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t queue_idx, uint16_t nb_desc, + unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf __rte_unused, + struct rte_mempool *mp) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx]; + int err = 0; + int msi_idx = 0; + unsigned int temp_nb_desc; + struct rte_eth_dev_info dev_info; + unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len; + + dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n", + __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc, + socket_id, mp); + + err = cxgbe_dev_info_get(eth_dev, &dev_info); + if (err != 0) { + dev_err(adap, "%s: error during getting ethernet device info", + __func__); + return err; + } + + /* Must accommodate at least RTE_ETHER_MIN_MTU */ + if ((pkt_len < dev_info.min_rx_bufsize) || + (pkt_len > dev_info.max_rx_pktlen)) { + dev_err(adap, "%s: max pkt len must be > %d and <= %d\n", + __func__, dev_info.min_rx_bufsize, + dev_info.max_rx_pktlen); + return -EINVAL; + } + + /* Free up the existing queue */ + if (eth_dev->data->rx_queues[queue_idx]) { + cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]); + eth_dev->data->rx_queues[queue_idx] = NULL; + } + + eth_dev->data->rx_queues[queue_idx] = (void *)rxq; + + /* Sanity Checking + * + * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE + */ + temp_nb_desc = nb_desc; + if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) { + dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n", + __func__, CXGBE_MIN_RING_DESC_SIZE, + CXGBE_DEFAULT_RX_DESC_SIZE); + temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE; + } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) { + dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n", + __func__, CXGBE_MIN_RING_DESC_SIZE, + CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE); + return -(EINVAL); + } + + rxq->rspq.size = temp_nb_desc; + if ((&rxq->fl) != NULL) + rxq->fl.size = temp_nb_desc; + + /* Set to jumbo mode if necessary */ + if (pkt_len > RTE_ETHER_MAX_LEN) + eth_dev->data->dev_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + else + eth_dev->data->dev_conf.rxmode.offloads &= + ~DEV_RX_OFFLOAD_JUMBO_FRAME; + + err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx, + &rxq->fl, NULL, + is_pf4(adapter) ? + t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp, + queue_idx, socket_id); + + dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n", + __func__, err, pi->port_id, rxq->rspq.cntxt_id, + rxq->rspq.abs_id); + return err; +} + +void cxgbe_dev_rx_queue_release(void *q) +{ + struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q; + struct sge_rspq *rq = &rxq->rspq; + + if (rq) { + struct port_info *pi = (struct port_info *) + (rq->eth_dev->data->dev_private); + struct adapter *adap = pi->adapter; + + dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", + __func__, pi->port_id, rxq->rspq.cntxt_id); + + t4_sge_eth_rxq_release(adap, rxq); + } +} + +/* + * Get port statistics. + */ +static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *eth_stats) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct port_stats ps; + unsigned int i; + + cxgbe_stats_get(pi, &ps); + + /* RX Stats */ + eth_stats->imissed = ps.rx_ovflow0 + ps.rx_ovflow1 + + ps.rx_ovflow2 + ps.rx_ovflow3 + + ps.rx_trunc0 + ps.rx_trunc1 + + ps.rx_trunc2 + ps.rx_trunc3; + eth_stats->ierrors = ps.rx_symbol_err + ps.rx_fcs_err + + ps.rx_jabber + ps.rx_too_long + ps.rx_runt + + ps.rx_len_err; + + /* TX Stats */ + eth_stats->opackets = ps.tx_frames; + eth_stats->obytes = ps.tx_octets; + eth_stats->oerrors = ps.tx_error_frames; + + for (i = 0; i < pi->n_rx_qsets; i++) { + struct sge_eth_rxq *rxq = + &s->ethrxq[pi->first_qset + i]; + + eth_stats->q_ipackets[i] = rxq->stats.pkts; + eth_stats->q_ibytes[i] = rxq->stats.rx_bytes; + eth_stats->ipackets += eth_stats->q_ipackets[i]; + eth_stats->ibytes += eth_stats->q_ibytes[i]; + } + + for (i = 0; i < pi->n_tx_qsets; i++) { + struct sge_eth_txq *txq = + &s->ethtxq[pi->first_qset + i]; + + eth_stats->q_opackets[i] = txq->stats.pkts; + eth_stats->q_obytes[i] = txq->stats.tx_bytes; + } + return 0; +} + +/* + * Reset port statistics. + */ +static int cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + unsigned int i; + + cxgbe_stats_reset(pi); + for (i = 0; i < pi->n_rx_qsets; i++) { + struct sge_eth_rxq *rxq = + &s->ethrxq[pi->first_qset + i]; + + rxq->stats.pkts = 0; + rxq->stats.rx_bytes = 0; + } + for (i = 0; i < pi->n_tx_qsets; i++) { + struct sge_eth_txq *txq = + &s->ethtxq[pi->first_qset + i]; + + txq->stats.pkts = 0; + txq->stats.tx_bytes = 0; + txq->stats.mapping_err = 0; + } + + return 0; +} + +static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct link_config *lc = &pi->link_cfg; + int rx_pause, tx_pause; + + fc_conf->autoneg = lc->fc & PAUSE_AUTONEG; + rx_pause = lc->fc & PAUSE_RX; + tx_pause = lc->fc & PAUSE_TX; + + if (rx_pause && tx_pause) + fc_conf->mode = RTE_FC_FULL; + else if (rx_pause) + fc_conf->mode = RTE_FC_RX_PAUSE; + else if (tx_pause) + fc_conf->mode = RTE_FC_TX_PAUSE; + else + fc_conf->mode = RTE_FC_NONE; + return 0; +} + +static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct link_config *lc = &pi->link_cfg; + + if (lc->pcaps & FW_PORT_CAP32_ANEG) { + if (fc_conf->autoneg) + lc->requested_fc |= PAUSE_AUTONEG; + else + lc->requested_fc &= ~PAUSE_AUTONEG; + } + + if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || + (fc_conf->mode & RTE_FC_RX_PAUSE)) + lc->requested_fc |= PAUSE_RX; + else + lc->requested_fc &= ~PAUSE_RX; + + if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || + (fc_conf->mode & RTE_FC_TX_PAUSE)) + lc->requested_fc |= PAUSE_TX; + else + lc->requested_fc &= ~PAUSE_TX; + + return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan, + &pi->link_cfg); +} + +const uint32_t * +cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev) +{ + static const uint32_t ptypes[] = { + RTE_PTYPE_L3_IPV4, + RTE_PTYPE_L3_IPV6, + RTE_PTYPE_UNKNOWN + }; + + if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts) + return ptypes; + return NULL; +} + +/* Update RSS hash configuration + */ +static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + int err; + + err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf); + if (err) + return err; + + pi->rss_hf = rss_conf->rss_hf; + + if (rss_conf->rss_key) { + u32 key[10], mod_key[10]; + int i, j; + + memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN); + + for (i = 9, j = 0; i >= 0; i--, j++) + mod_key[j] = cpu_to_be32(key[i]); + + t4_write_rss_key(adapter, mod_key, -1); + } + + return 0; +} + +/* Get RSS hash configuration + */ +static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + u64 rss_hf = 0; + u64 flags = 0; + int err; + + err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid, + &flags, NULL); + + if (err) + return err; + + if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) { + rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK; + if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN) + rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK; + } + + if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) + rss_hf |= CXGBE_RSS_HF_IPV6_MASK; + + if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) { + rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP; + if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN) + rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP; + } + + if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) + rss_hf |= CXGBE_RSS_HF_IPV4_MASK; + + rss_conf->rss_hf = rss_hf; + + if (rss_conf->rss_key) { + u32 key[10], mod_key[10]; + int i, j; + + t4_read_rss_key(adapter, key); + + for (i = 9, j = 0; i >= 0; i--, j++) + mod_key[j] = be32_to_cpu(key[i]); + + memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN); + } + + return 0; +} + +static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev) +{ + RTE_SET_USED(dev); + return EEPROMSIZE; +} + +/** + * eeprom_ptov - translate a physical EEPROM address to virtual + * @phys_addr: the physical EEPROM address + * @fn: the PCI function number + * @sz: size of function-specific area + * + * Translate a physical EEPROM address to virtual. The first 1K is + * accessed through virtual addresses starting at 31K, the rest is + * accessed through virtual addresses starting at 0. + * + * The mapping is as follows: + * [0..1K) -> [31K..32K) + * [1K..1K+A) -> [31K-A..31K) + * [1K+A..ES) -> [0..ES-A-1K) + * + * where A = @fn * @sz, and ES = EEPROM size. + */ +static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz) +{ + fn *= sz; + if (phys_addr < 1024) + return phys_addr + (31 << 10); + if (phys_addr < 1024 + fn) + return fn + phys_addr - 1024; + if (phys_addr < EEPROMSIZE) + return phys_addr - 1024 - fn; + if (phys_addr < EEPROMVSIZE) + return phys_addr - 1024; + return -EINVAL; +} + +/* The next two routines implement eeprom read/write from physical addresses. + */ +static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) +{ + int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); + + if (vaddr >= 0) + vaddr = t4_seeprom_read(adap, vaddr, v); + return vaddr < 0 ? vaddr : 0; +} + +static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) +{ + int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); + + if (vaddr >= 0) + vaddr = t4_seeprom_write(adap, vaddr, v); + return vaddr < 0 ? vaddr : 0; +} + +#define EEPROM_MAGIC 0x38E2F10C + +static int cxgbe_get_eeprom(struct rte_eth_dev *dev, + struct rte_dev_eeprom_info *e) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + u32 i, err = 0; + u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0); + + if (!buf) + return -ENOMEM; + + e->magic = EEPROM_MAGIC; + for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4) + err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); + + if (!err) + rte_memcpy(e->data, buf + e->offset, e->length); + rte_free(buf); + return err; +} + +static int cxgbe_set_eeprom(struct rte_eth_dev *dev, + struct rte_dev_eeprom_info *eeprom) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + u8 *buf; + int err = 0; + u32 aligned_offset, aligned_len, *p; + + if (eeprom->magic != EEPROM_MAGIC) + return -EINVAL; + + aligned_offset = eeprom->offset & ~3; + aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3; + + if (adapter->pf > 0) { + u32 start = 1024 + adapter->pf * EEPROMPFSIZE; + + if (aligned_offset < start || + aligned_offset + aligned_len > start + EEPROMPFSIZE) + return -EPERM; + } + + if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) { + /* RMW possibly needed for first or last words. + */ + buf = rte_zmalloc(NULL, aligned_len, 0); + if (!buf) + return -ENOMEM; + err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); + if (!err && aligned_len > 4) + err = eeprom_rd_phys(adapter, + aligned_offset + aligned_len - 4, + (u32 *)&buf[aligned_len - 4]); + if (err) + goto out; + rte_memcpy(buf + (eeprom->offset & 3), eeprom->data, + eeprom->length); + } else { + buf = eeprom->data; + } + + err = t4_seeprom_wp(adapter, false); + if (err) + goto out; + + for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { + err = eeprom_wr_phys(adapter, aligned_offset, *p); + aligned_offset += 4; + } + + if (!err) + err = t4_seeprom_wp(adapter, true); +out: + if (buf != eeprom->data) + rte_free(buf); + return err; +} + +static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + return t4_get_regs_len(adapter) / sizeof(uint32_t); +} + +static int cxgbe_get_regs(struct rte_eth_dev *eth_dev, + struct rte_dev_reg_info *regs) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + + regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) | + (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) | + (1 << 16); + + if (regs->data == NULL) { + regs->length = cxgbe_get_regs_len(eth_dev); + regs->width = sizeof(uint32_t); + + return 0; + } + + t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t))); + + return 0; +} + +int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr) +{ + struct port_info *pi = dev->data->dev_private; + int ret; + + ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, (u8 *)addr); + if (ret < 0) { + dev_err(adapter, "failed to set mac addr; err = %d\n", + ret); + return ret; + } + pi->xact_addr_filt = ret; + return 0; +} + +static const struct eth_dev_ops cxgbe_eth_dev_ops = { + .dev_start = cxgbe_dev_start, + .dev_stop = cxgbe_dev_stop, + .dev_close = cxgbe_dev_close, + .promiscuous_enable = cxgbe_dev_promiscuous_enable, + .promiscuous_disable = cxgbe_dev_promiscuous_disable, + .allmulticast_enable = cxgbe_dev_allmulticast_enable, + .allmulticast_disable = cxgbe_dev_allmulticast_disable, + .dev_configure = cxgbe_dev_configure, + .dev_infos_get = cxgbe_dev_info_get, + .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get, + .link_update = cxgbe_dev_link_update, + .dev_set_link_up = cxgbe_dev_set_link_up, + .dev_set_link_down = cxgbe_dev_set_link_down, + .mtu_set = cxgbe_dev_mtu_set, + .tx_queue_setup = cxgbe_dev_tx_queue_setup, + .tx_queue_start = cxgbe_dev_tx_queue_start, + .tx_queue_stop = cxgbe_dev_tx_queue_stop, + .tx_queue_release = cxgbe_dev_tx_queue_release, + .rx_queue_setup = cxgbe_dev_rx_queue_setup, + .rx_queue_start = cxgbe_dev_rx_queue_start, + .rx_queue_stop = cxgbe_dev_rx_queue_stop, + .rx_queue_release = cxgbe_dev_rx_queue_release, + .filter_ctrl = cxgbe_dev_filter_ctrl, + .stats_get = cxgbe_dev_stats_get, + .stats_reset = cxgbe_dev_stats_reset, + .flow_ctrl_get = cxgbe_flow_ctrl_get, + .flow_ctrl_set = cxgbe_flow_ctrl_set, + .get_eeprom_length = cxgbe_get_eeprom_length, + .get_eeprom = cxgbe_get_eeprom, + .set_eeprom = cxgbe_set_eeprom, + .get_reg = cxgbe_get_regs, + .rss_hash_update = cxgbe_dev_rss_hash_update, + .rss_hash_conf_get = cxgbe_dev_rss_hash_conf_get, + .mac_addr_set = cxgbe_mac_addr_set, +}; + +/* + * Initialize driver + * It returns 0 on success. + */ +static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev) +{ + struct rte_pci_device *pci_dev; + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = NULL; + char name[RTE_ETH_NAME_MAX_LEN]; + int err = 0; + + CXGBE_FUNC_TRACE(); + + eth_dev->dev_ops = &cxgbe_eth_dev_ops; + eth_dev->rx_pkt_burst = &cxgbe_recv_pkts; + eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts; + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + /* for secondary processes, we attach to ethdevs allocated by primary + * and do minimal initialization. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + int i; + + for (i = 1; i < MAX_NPORTS; i++) { + struct rte_eth_dev *rest_eth_dev; + char namei[RTE_ETH_NAME_MAX_LEN]; + + snprintf(namei, sizeof(namei), "%s_%d", + pci_dev->device.name, i); + rest_eth_dev = rte_eth_dev_attach_secondary(namei); + if (rest_eth_dev) { + rest_eth_dev->device = &pci_dev->device; + rest_eth_dev->dev_ops = + eth_dev->dev_ops; + rest_eth_dev->rx_pkt_burst = + eth_dev->rx_pkt_burst; + rest_eth_dev->tx_pkt_burst = + eth_dev->tx_pkt_burst; + rte_eth_dev_probing_finish(rest_eth_dev); + } + } + return 0; + } + + snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id); + adapter = rte_zmalloc(name, sizeof(*adapter), 0); + if (!adapter) + return -1; + + adapter->use_unpacked_mode = 1; + adapter->regs = (void *)pci_dev->mem_resource[0].addr; + if (!adapter->regs) { + dev_err(adapter, "%s: cannot map device registers\n", __func__); + err = -ENOMEM; + goto out_free_adapter; + } + adapter->pdev = pci_dev; + adapter->eth_dev = eth_dev; + pi->adapter = adapter; + + cxgbe_process_devargs(adapter); + + err = cxgbe_probe(adapter); + if (err) { + dev_err(adapter, "%s: cxgbe probe failed with err %d\n", + __func__, err); + goto out_free_adapter; + } + + return 0; + +out_free_adapter: + rte_free(adapter); + return err; +} + +static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + + /* Free up other ports and all resources */ + cxgbe_close(adap); + return 0; +} + +static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, + sizeof(struct port_info), eth_cxgbe_dev_init); +} + +static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit); +} + +static struct rte_pci_driver rte_cxgbe_pmd = { + .id_table = cxgb4_pci_tbl, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .probe = eth_cxgbe_pci_probe, + .remove = eth_cxgbe_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd); +RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl); +RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci"); +RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe, + CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> " + CXGBE_DEVARG_CMN_TX_MODE_LATENCY "=<0|1> " + CXGBE_DEVARG_PF_FILTER_MODE "=<uint32> " + CXGBE_DEVARG_PF_FILTER_MASK "=<uint32> "); + +RTE_INIT(cxgbe_init_log) +{ + cxgbe_logtype = rte_log_register("pmd.net.cxgbe"); + if (cxgbe_logtype >= 0) + rte_log_set_level(cxgbe_logtype, RTE_LOG_NOTICE); + cxgbe_mbox_logtype = rte_log_register("pmd.net.cxgbe.mbox"); + if (cxgbe_mbox_logtype >= 0) + rte_log_set_level(cxgbe_mbox_logtype, RTE_LOG_NOTICE); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.c new file mode 100644 index 000000000..27e96c73e --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.c @@ -0,0 +1,1433 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ +#include <rte_net.h> + +#include "base/common.h" +#include "base/t4_tcb.h" +#include "base/t4_regs.h" +#include "cxgbe_filter.h" +#include "clip_tbl.h" +#include "l2t.h" +#include "smt.h" + +/** + * Initialize Hash Filters + */ +int cxgbe_init_hash_filter(struct adapter *adap) +{ + unsigned int n_user_filters; + unsigned int user_filter_perc; + int ret; + u32 params[7], val[7]; + +#define FW_PARAM_DEV(param) \ + (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \ + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param)) + +#define FW_PARAM_PFVF(param) \ + (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \ + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param) | \ + V_FW_PARAMS_PARAM_Y(0) | \ + V_FW_PARAMS_PARAM_Z(0)) + + params[0] = FW_PARAM_DEV(NTID); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, + params, val); + if (ret < 0) + return ret; + adap->tids.ntids = val[0]; + adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS); + + user_filter_perc = 100; + n_user_filters = mult_frac(adap->tids.nftids, + user_filter_perc, + 100); + + adap->tids.nftids = n_user_filters; + adap->params.hash_filter = 1; + return 0; +} + +/** + * Validate if the requested filter specification can be set by checking + * if the requested features have been enabled + */ +int cxgbe_validate_filter(struct adapter *adapter, + struct ch_filter_specification *fs) +{ + u32 fconf, iconf; + + /* + * Check for unconfigured fields being used. + */ + fconf = fs->cap ? adapter->params.tp.filter_mask : + adapter->params.tp.vlan_pri_map; + + iconf = adapter->params.tp.ingress_config; + +#define S(_field) \ + (fs->val._field || fs->mask._field) +#define U(_mask, _field) \ + (!(fconf & (_mask)) && S(_field)) + + if (U(F_PORT, iport) || U(F_ETHERTYPE, ethtype) || + U(F_PROTOCOL, proto) || U(F_MACMATCH, macidx) || + U(F_VLAN, ivlan_vld) || U(F_VNIC_ID, ovlan_vld) || + U(F_TOS, tos) || U(F_VNIC_ID, pfvf_vld)) + return -EOPNOTSUPP; + + /* Either OVLAN or PFVF match is enabled in hardware, but not both */ + if ((S(pfvf_vld) && !(iconf & F_VNIC)) || + (S(ovlan_vld) && (iconf & F_VNIC))) + return -EOPNOTSUPP; + + /* To use OVLAN or PFVF, L4 encapsulation match must not be enabled */ + if ((S(ovlan_vld) && (iconf & F_USE_ENC_IDX)) || + (S(pfvf_vld) && (iconf & F_USE_ENC_IDX))) + return -EOPNOTSUPP; + +#undef S +#undef U + + /* + * If the user is requesting that the filter action loop + * matching packets back out one of our ports, make sure that + * the egress port is in range. + */ + if (fs->action == FILTER_SWITCH && + fs->eport >= adapter->params.nports) + return -ERANGE; + + /* + * Don't allow various trivially obvious bogus out-of-range + * values ... + */ + if (fs->val.iport >= adapter->params.nports) + return -ERANGE; + + if (!fs->cap && fs->nat_mode && !adapter->params.filter2_wr_support) + return -EOPNOTSUPP; + + if (!fs->cap && fs->swapmac && !adapter->params.filter2_wr_support) + return -EOPNOTSUPP; + + return 0; +} + +/** + * Get the queue to which the traffic must be steered to. + */ +static unsigned int get_filter_steerq(struct rte_eth_dev *dev, + struct ch_filter_specification *fs) +{ + struct port_info *pi = ethdev2pinfo(dev); + struct adapter *adapter = pi->adapter; + unsigned int iq; + + /* + * If the user has requested steering matching Ingress Packets + * to a specific Queue Set, we need to make sure it's in range + * for the port and map that into the Absolute Queue ID of the + * Queue Set's Response Queue. + */ + if (!fs->dirsteer) { + iq = 0; + } else { + /* + * If the iq id is greater than the number of qsets, + * then assume it is an absolute qid. + */ + if (fs->iq < pi->n_rx_qsets) + iq = adapter->sge.ethrxq[pi->first_qset + + fs->iq].rspq.abs_id; + else + iq = fs->iq; + } + + return iq; +} + +/* Return an error number if the indicated filter isn't writable ... */ +static int writable_filter(struct filter_entry *f) +{ + if (f->locked) + return -EPERM; + if (f->pending) + return -EBUSY; + + return 0; +} + +/** + * Send CPL_SET_TCB_FIELD message + */ +static void set_tcb_field(struct adapter *adapter, unsigned int ftid, + u16 word, u64 mask, u64 val, int no_reply) +{ + struct rte_mbuf *mbuf; + struct cpl_set_tcb_field *req; + struct sge_ctrl_txq *ctrlq; + + ctrlq = &adapter->sge.ctrlq[0]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + WARN_ON(!mbuf); + + mbuf->data_len = sizeof(*req); + mbuf->pkt_len = mbuf->data_len; + + req = rte_pktmbuf_mtod(mbuf, struct cpl_set_tcb_field *); + memset(req, 0, sizeof(*req)); + INIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, ftid); + req->reply_ctrl = cpu_to_be16(V_REPLY_CHAN(0) | + V_QUEUENO(adapter->sge.fw_evtq.abs_id) | + V_NO_REPLY(no_reply)); + req->word_cookie = cpu_to_be16(V_WORD(word) | V_COOKIE(ftid)); + req->mask = cpu_to_be64(mask); + req->val = cpu_to_be64(val); + + t4_mgmt_tx(ctrlq, mbuf); +} + +/** + * Set one of the t_flags bits in the TCB. + */ +static void set_tcb_tflag(struct adapter *adap, unsigned int ftid, + unsigned int bit_pos, unsigned int val, int no_reply) +{ + set_tcb_field(adap, ftid, W_TCB_T_FLAGS, 1ULL << bit_pos, + (unsigned long long)val << bit_pos, no_reply); +} + +/** + * Build a CPL_SET_TCB_FIELD message as payload of a ULP_TX_PKT command. + */ +static inline void mk_set_tcb_field_ulp(struct filter_entry *f, + struct cpl_set_tcb_field *req, + unsigned int word, + u64 mask, u64 val, u8 cookie, + int no_reply) +{ + struct ulp_txpkt *txpkt = (struct ulp_txpkt *)req; + struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1); + + txpkt->cmd_dest = cpu_to_be32(V_ULPTX_CMD(ULP_TX_PKT) | + V_ULP_TXPKT_DEST(0)); + txpkt->len = cpu_to_be32(DIV_ROUND_UP(sizeof(*req), 16)); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_IMM)); + sc->len = cpu_to_be32(sizeof(*req) - sizeof(struct work_request_hdr)); + OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_SET_TCB_FIELD, f->tid)); + req->reply_ctrl = cpu_to_be16(V_NO_REPLY(no_reply) | V_REPLY_CHAN(0) | + V_QUEUENO(0)); + req->word_cookie = cpu_to_be16(V_WORD(word) | V_COOKIE(cookie)); + req->mask = cpu_to_be64(mask); + req->val = cpu_to_be64(val); + sc = (struct ulptx_idata *)(req + 1); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_NOOP)); + sc->len = cpu_to_be32(0); +} + +/** + * IPv6 requires 2 slots on T6 and 4 slots for cards below T6. + * IPv4 requires only 1 slot on all cards. + */ +u8 cxgbe_filter_slots(struct adapter *adap, u8 family) +{ + if (family == FILTER_TYPE_IPV6) { + if (CHELSIO_CHIP_VERSION(adap->params.chip) < CHELSIO_T6) + return 4; + + return 2; + } + + return 1; +} + +/** + * Check if entries are already filled. + */ +bool cxgbe_is_filter_set(struct tid_info *t, u32 fidx, u8 nentries) +{ + bool result = FALSE; + u32 i; + + /* Ensure there's enough slots available. */ + t4_os_lock(&t->ftid_lock); + for (i = fidx; i < fidx + nentries; i++) { + if (rte_bitmap_get(t->ftid_bmap, i)) { + result = TRUE; + break; + } + } + t4_os_unlock(&t->ftid_lock); + return result; +} + +/** + * Allocate available free entries. + */ +int cxgbe_alloc_ftid(struct adapter *adap, u8 nentries) +{ + struct tid_info *t = &adap->tids; + int pos; + int size = t->nftids; + + t4_os_lock(&t->ftid_lock); + if (nentries > 1) + pos = cxgbe_bitmap_find_free_region(t->ftid_bmap, size, + nentries); + else + pos = cxgbe_find_first_zero_bit(t->ftid_bmap, size); + t4_os_unlock(&t->ftid_lock); + + return pos < size ? pos : -1; +} + +/** + * Construct hash filter ntuple. + */ +static u64 hash_filter_ntuple(const struct filter_entry *f) +{ + struct adapter *adap = ethdev2adap(f->dev); + struct tp_params *tp = &adap->params.tp; + u64 ntuple = 0; + u16 tcp_proto = IPPROTO_TCP; /* TCP Protocol Number */ + + if (tp->port_shift >= 0 && f->fs.mask.iport) + ntuple |= (u64)f->fs.val.iport << tp->port_shift; + + if (tp->protocol_shift >= 0) { + if (!f->fs.val.proto) + ntuple |= (u64)tcp_proto << tp->protocol_shift; + else + ntuple |= (u64)f->fs.val.proto << tp->protocol_shift; + } + + if (tp->ethertype_shift >= 0 && f->fs.mask.ethtype) + ntuple |= (u64)(f->fs.val.ethtype) << tp->ethertype_shift; + if (tp->macmatch_shift >= 0 && f->fs.mask.macidx) + ntuple |= (u64)(f->fs.val.macidx) << tp->macmatch_shift; + if (tp->vlan_shift >= 0 && f->fs.mask.ivlan) + ntuple |= (u64)(F_FT_VLAN_VLD | f->fs.val.ivlan) << + tp->vlan_shift; + if (tp->vnic_shift >= 0) { + if ((adap->params.tp.ingress_config & F_VNIC) && + f->fs.mask.pfvf_vld) + ntuple |= (u64)(f->fs.val.pfvf_vld << 16 | + f->fs.val.pf << 13 | f->fs.val.vf) << + tp->vnic_shift; + else if (!(adap->params.tp.ingress_config & F_VNIC) && + f->fs.mask.ovlan_vld) + ntuple |= (u64)(f->fs.val.ovlan_vld << 16 | + f->fs.val.ovlan) << tp->vnic_shift; + } + if (tp->tos_shift >= 0 && f->fs.mask.tos) + ntuple |= (u64)f->fs.val.tos << tp->tos_shift; + + return ntuple; +} + +/** + * Build a CPL_ABORT_REQ message as payload of a ULP_TX_PKT command. + */ +static void mk_abort_req_ulp(struct cpl_abort_req *abort_req, + unsigned int tid) +{ + struct ulp_txpkt *txpkt = (struct ulp_txpkt *)abort_req; + struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1); + + txpkt->cmd_dest = cpu_to_be32(V_ULPTX_CMD(ULP_TX_PKT) | + V_ULP_TXPKT_DEST(0)); + txpkt->len = cpu_to_be32(DIV_ROUND_UP(sizeof(*abort_req), 16)); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_IMM)); + sc->len = cpu_to_be32(sizeof(*abort_req) - + sizeof(struct work_request_hdr)); + OPCODE_TID(abort_req) = cpu_to_be32(MK_OPCODE_TID(CPL_ABORT_REQ, tid)); + abort_req->rsvd0 = cpu_to_be32(0); + abort_req->rsvd1 = 0; + abort_req->cmd = CPL_ABORT_NO_RST; + sc = (struct ulptx_idata *)(abort_req + 1); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_NOOP)); + sc->len = cpu_to_be32(0); +} + +/** + * Build a CPL_ABORT_RPL message as payload of a ULP_TX_PKT command. + */ +static void mk_abort_rpl_ulp(struct cpl_abort_rpl *abort_rpl, + unsigned int tid) +{ + struct ulp_txpkt *txpkt = (struct ulp_txpkt *)abort_rpl; + struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1); + + txpkt->cmd_dest = cpu_to_be32(V_ULPTX_CMD(ULP_TX_PKT) | + V_ULP_TXPKT_DEST(0)); + txpkt->len = cpu_to_be32(DIV_ROUND_UP(sizeof(*abort_rpl), 16)); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_IMM)); + sc->len = cpu_to_be32(sizeof(*abort_rpl) - + sizeof(struct work_request_hdr)); + OPCODE_TID(abort_rpl) = cpu_to_be32(MK_OPCODE_TID(CPL_ABORT_RPL, tid)); + abort_rpl->rsvd0 = cpu_to_be32(0); + abort_rpl->rsvd1 = 0; + abort_rpl->cmd = CPL_ABORT_NO_RST; + sc = (struct ulptx_idata *)(abort_rpl + 1); + sc->cmd_more = cpu_to_be32(V_ULPTX_CMD(ULP_TX_SC_NOOP)); + sc->len = cpu_to_be32(0); +} + +/** + * Delete the specified hash filter. + */ +static int cxgbe_del_hash_filter(struct rte_eth_dev *dev, + unsigned int filter_id, + struct filter_ctx *ctx) +{ + struct adapter *adapter = ethdev2adap(dev); + struct tid_info *t = &adapter->tids; + struct filter_entry *f; + struct sge_ctrl_txq *ctrlq; + unsigned int port_id = ethdev2pinfo(dev)->port_id; + int ret; + + if (filter_id > adapter->tids.ntids) + return -E2BIG; + + f = lookup_tid(t, filter_id); + if (!f) { + dev_err(adapter, "%s: no filter entry for filter_id = %d\n", + __func__, filter_id); + return -EINVAL; + } + + ret = writable_filter(f); + if (ret) + return ret; + + if (f->valid) { + unsigned int wrlen; + struct rte_mbuf *mbuf; + struct work_request_hdr *wr; + struct ulptx_idata *aligner; + struct cpl_set_tcb_field *req; + struct cpl_abort_req *abort_req; + struct cpl_abort_rpl *abort_rpl; + + f->ctx = ctx; + f->pending = 1; + + wrlen = cxgbe_roundup(sizeof(*wr) + + (sizeof(*req) + sizeof(*aligner)) + + sizeof(*abort_req) + sizeof(*abort_rpl), + 16); + + ctrlq = &adapter->sge.ctrlq[port_id]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) { + dev_err(adapter, "%s: could not allocate skb ..\n", + __func__); + goto out_err; + } + + mbuf->data_len = wrlen; + mbuf->pkt_len = mbuf->data_len; + + req = rte_pktmbuf_mtod(mbuf, struct cpl_set_tcb_field *); + INIT_ULPTX_WR(req, wrlen, 0, 0); + wr = (struct work_request_hdr *)req; + wr++; + req = (struct cpl_set_tcb_field *)wr; + mk_set_tcb_field_ulp(f, req, W_TCB_RSS_INFO, + V_TCB_RSS_INFO(M_TCB_RSS_INFO), + V_TCB_RSS_INFO(adapter->sge.fw_evtq.abs_id), + 0, 1); + aligner = (struct ulptx_idata *)(req + 1); + abort_req = (struct cpl_abort_req *)(aligner + 1); + mk_abort_req_ulp(abort_req, f->tid); + abort_rpl = (struct cpl_abort_rpl *)(abort_req + 1); + mk_abort_rpl_ulp(abort_rpl, f->tid); + t4_mgmt_tx(ctrlq, mbuf); + } + return 0; + +out_err: + return -ENOMEM; +} + +/** + * Build a ACT_OPEN_REQ6 message for setting IPv6 hash filter. + */ +static void mk_act_open_req6(struct filter_entry *f, struct rte_mbuf *mbuf, + unsigned int qid_filterid, struct adapter *adap) +{ + struct cpl_t6_act_open_req6 *req = NULL; + u64 local_lo, local_hi, peer_lo, peer_hi; + u32 *lip = (u32 *)f->fs.val.lip; + u32 *fip = (u32 *)f->fs.val.fip; + + switch (CHELSIO_CHIP_VERSION(adap->params.chip)) { + case CHELSIO_T6: + req = rte_pktmbuf_mtod(mbuf, struct cpl_t6_act_open_req6 *); + + INIT_TP_WR(req, 0); + break; + default: + dev_err(adap, "%s: unsupported chip type!\n", __func__); + return; + } + + local_hi = ((u64)lip[1]) << 32 | lip[0]; + local_lo = ((u64)lip[3]) << 32 | lip[2]; + peer_hi = ((u64)fip[1]) << 32 | fip[0]; + peer_lo = ((u64)fip[3]) << 32 | fip[2]; + + OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6, + qid_filterid)); + req->local_port = cpu_to_be16(f->fs.val.lport); + req->peer_port = cpu_to_be16(f->fs.val.fport); + req->local_ip_hi = local_hi; + req->local_ip_lo = local_lo; + req->peer_ip_hi = peer_hi; + req->peer_ip_lo = peer_lo; + req->opt0 = cpu_to_be64(V_NAGLE(f->fs.newvlan == VLAN_REMOVE || + f->fs.newvlan == VLAN_REWRITE) | + V_DELACK(f->fs.hitcnts) | + V_L2T_IDX(f->l2t ? f->l2t->idx : 0) | + V_SMAC_SEL((cxgbe_port_viid(f->dev) & 0x7F) + << 1) | + V_TX_CHAN(f->fs.eport) | + V_ULP_MODE(ULP_MODE_NONE) | + F_TCAM_BYPASS | F_NON_OFFLOAD); + req->params = cpu_to_be64(V_FILTER_TUPLE(hash_filter_ntuple(f))); + req->opt2 = cpu_to_be32(F_RSS_QUEUE_VALID | + V_RSS_QUEUE(f->fs.iq) | + F_T5_OPT_2_VALID | + F_RX_CHANNEL | + V_SACK_EN(f->fs.swapmac) | + V_CONG_CNTRL((f->fs.action == FILTER_DROP) | + (f->fs.dirsteer << 1)) | + V_CCTRL_ECN(f->fs.action == FILTER_SWITCH)); +} + +/** + * Build a ACT_OPEN_REQ message for setting IPv4 hash filter. + */ +static void mk_act_open_req(struct filter_entry *f, struct rte_mbuf *mbuf, + unsigned int qid_filterid, struct adapter *adap) +{ + struct cpl_t6_act_open_req *req = NULL; + + switch (CHELSIO_CHIP_VERSION(adap->params.chip)) { + case CHELSIO_T6: + req = rte_pktmbuf_mtod(mbuf, struct cpl_t6_act_open_req *); + + INIT_TP_WR(req, 0); + break; + default: + dev_err(adap, "%s: unsupported chip type!\n", __func__); + return; + } + + OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, + qid_filterid)); + req->local_port = cpu_to_be16(f->fs.val.lport); + req->peer_port = cpu_to_be16(f->fs.val.fport); + req->local_ip = f->fs.val.lip[0] | f->fs.val.lip[1] << 8 | + f->fs.val.lip[2] << 16 | f->fs.val.lip[3] << 24; + req->peer_ip = f->fs.val.fip[0] | f->fs.val.fip[1] << 8 | + f->fs.val.fip[2] << 16 | f->fs.val.fip[3] << 24; + req->opt0 = cpu_to_be64(V_NAGLE(f->fs.newvlan == VLAN_REMOVE || + f->fs.newvlan == VLAN_REWRITE) | + V_DELACK(f->fs.hitcnts) | + V_L2T_IDX(f->l2t ? f->l2t->idx : 0) | + V_SMAC_SEL((cxgbe_port_viid(f->dev) & 0x7F) + << 1) | + V_TX_CHAN(f->fs.eport) | + V_ULP_MODE(ULP_MODE_NONE) | + F_TCAM_BYPASS | F_NON_OFFLOAD); + req->params = cpu_to_be64(V_FILTER_TUPLE(hash_filter_ntuple(f))); + req->opt2 = cpu_to_be32(F_RSS_QUEUE_VALID | + V_RSS_QUEUE(f->fs.iq) | + F_T5_OPT_2_VALID | + F_RX_CHANNEL | + V_SACK_EN(f->fs.swapmac) | + V_CONG_CNTRL((f->fs.action == FILTER_DROP) | + (f->fs.dirsteer << 1)) | + V_CCTRL_ECN(f->fs.action == FILTER_SWITCH)); +} + +/** + * Set the specified hash filter. + */ +static int cxgbe_set_hash_filter(struct rte_eth_dev *dev, + struct ch_filter_specification *fs, + struct filter_ctx *ctx) +{ + struct port_info *pi = ethdev2pinfo(dev); + struct adapter *adapter = pi->adapter; + struct tid_info *t = &adapter->tids; + struct filter_entry *f; + struct rte_mbuf *mbuf; + struct sge_ctrl_txq *ctrlq; + unsigned int iq; + int atid, size; + int ret = 0; + + ret = cxgbe_validate_filter(adapter, fs); + if (ret) + return ret; + + iq = get_filter_steerq(dev, fs); + + ctrlq = &adapter->sge.ctrlq[pi->port_id]; + + f = t4_os_alloc(sizeof(*f)); + if (!f) + goto out_err; + + f->fs = *fs; + f->ctx = ctx; + f->dev = dev; + f->fs.iq = iq; + + /* + * If the new filter requires loopback Destination MAC and/or VLAN + * rewriting then we need to allocate a Layer 2 Table (L2T) entry for + * the filter. + */ + if (f->fs.newdmac || f->fs.newvlan == VLAN_INSERT || + f->fs.newvlan == VLAN_REWRITE) { + /* allocate L2T entry for new filter */ + f->l2t = cxgbe_l2t_alloc_switching(dev, f->fs.vlan, + f->fs.eport, f->fs.dmac); + if (!f->l2t) { + ret = -ENOMEM; + goto out_err; + } + } + + /* If the new filter requires Source MAC rewriting then we need to + * allocate a SMT entry for the filter + */ + if (f->fs.newsmac) { + f->smt = cxgbe_smt_alloc_switching(f->dev, f->fs.smac); + if (!f->smt) { + ret = -EAGAIN; + goto out_err; + } + } + + atid = cxgbe_alloc_atid(t, f); + if (atid < 0) + goto out_err; + + if (f->fs.type == FILTER_TYPE_IPV6) { + /* IPv6 hash filter */ + f->clipt = cxgbe_clip_alloc(f->dev, (u32 *)&f->fs.val.lip); + if (!f->clipt) + goto free_atid; + + size = sizeof(struct cpl_t6_act_open_req6); + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) { + ret = -ENOMEM; + goto free_clip; + } + + mbuf->data_len = size; + mbuf->pkt_len = mbuf->data_len; + + mk_act_open_req6(f, mbuf, + ((adapter->sge.fw_evtq.abs_id << 14) | atid), + adapter); + } else { + /* IPv4 hash filter */ + size = sizeof(struct cpl_t6_act_open_req); + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) { + ret = -ENOMEM; + goto free_atid; + } + + mbuf->data_len = size; + mbuf->pkt_len = mbuf->data_len; + + mk_act_open_req(f, mbuf, + ((adapter->sge.fw_evtq.abs_id << 14) | atid), + adapter); + } + + f->pending = 1; + t4_mgmt_tx(ctrlq, mbuf); + return 0; + +free_clip: + cxgbe_clip_release(f->dev, f->clipt); +free_atid: + cxgbe_free_atid(t, atid); + +out_err: + t4_os_free(f); + return ret; +} + +/** + * Clear a filter and release any of its resources that we own. This also + * clears the filter's "pending" status. + */ +static void clear_filter(struct filter_entry *f) +{ + if (f->clipt) + cxgbe_clip_release(f->dev, f->clipt); + + /* + * The zeroing of the filter rule below clears the filter valid, + * pending, locked flags etc. so it's all we need for + * this operation. + */ + memset(f, 0, sizeof(*f)); +} + +/** + * t4_mk_filtdelwr - create a delete filter WR + * @adap: adapter context + * @ftid: the filter ID + * @wr: the filter work request to populate + * @qid: ingress queue to receive the delete notification + * + * Creates a filter work request to delete the supplied filter. If @qid is + * negative the delete notification is suppressed. + */ +static void t4_mk_filtdelwr(struct adapter *adap, unsigned int ftid, + struct fw_filter2_wr *wr, int qid) +{ + memset(wr, 0, sizeof(*wr)); + if (adap->params.filter2_wr_support) + wr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER2_WR)); + else + wr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER_WR)); + wr->len16_pkd = cpu_to_be32(V_FW_WR_LEN16(sizeof(*wr) / 16)); + wr->tid_to_iq = cpu_to_be32(V_FW_FILTER_WR_TID(ftid) | + V_FW_FILTER_WR_NOREPLY(qid < 0)); + wr->del_filter_to_l2tix = cpu_to_be32(F_FW_FILTER_WR_DEL_FILTER); + if (qid >= 0) + wr->rx_chan_rx_rpl_iq = + cpu_to_be16(V_FW_FILTER_WR_RX_RPL_IQ(qid)); +} + +/** + * Create FW work request to delete the filter at a specified index + */ +static int del_filter_wr(struct rte_eth_dev *dev, unsigned int fidx) +{ + struct adapter *adapter = ethdev2adap(dev); + struct filter_entry *f = &adapter->tids.ftid_tab[fidx]; + struct rte_mbuf *mbuf; + struct fw_filter2_wr *fwr; + struct sge_ctrl_txq *ctrlq; + unsigned int port_id = ethdev2pinfo(dev)->port_id; + + ctrlq = &adapter->sge.ctrlq[port_id]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) + return -ENOMEM; + + mbuf->data_len = sizeof(*fwr); + mbuf->pkt_len = mbuf->data_len; + + fwr = rte_pktmbuf_mtod(mbuf, struct fw_filter2_wr *); + t4_mk_filtdelwr(adapter, f->tid, fwr, adapter->sge.fw_evtq.abs_id); + + /* + * Mark the filter as "pending" and ship off the Filter Work Request. + * When we get the Work Request Reply we'll clear the pending status. + */ + f->pending = 1; + t4_mgmt_tx(ctrlq, mbuf); + return 0; +} + +static int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx) +{ + struct adapter *adapter = ethdev2adap(dev); + struct filter_entry *f = &adapter->tids.ftid_tab[fidx]; + struct rte_mbuf *mbuf; + struct fw_filter2_wr *fwr; + struct sge_ctrl_txq *ctrlq; + unsigned int port_id = ethdev2pinfo(dev)->port_id; + int ret; + + /* + * If the new filter requires loopback Destination MAC and/or VLAN + * rewriting then we need to allocate a Layer 2 Table (L2T) entry for + * the filter. + */ + if (f->fs.newvlan || f->fs.newdmac) { + /* allocate L2T entry for new filter */ + f->l2t = cxgbe_l2t_alloc_switching(f->dev, f->fs.vlan, + f->fs.eport, f->fs.dmac); + + if (!f->l2t) + return -ENOMEM; + } + + /* If the new filter requires Source MAC rewriting then we need to + * allocate a SMT entry for the filter + */ + if (f->fs.newsmac) { + f->smt = cxgbe_smt_alloc_switching(f->dev, f->fs.smac); + if (!f->smt) { + if (f->l2t) { + cxgbe_l2t_release(f->l2t); + f->l2t = NULL; + } + return -ENOMEM; + } + } + + ctrlq = &adapter->sge.ctrlq[port_id]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) { + ret = -ENOMEM; + goto out; + } + + mbuf->data_len = sizeof(*fwr); + mbuf->pkt_len = mbuf->data_len; + + fwr = rte_pktmbuf_mtod(mbuf, struct fw_filter2_wr *); + memset(fwr, 0, sizeof(*fwr)); + + /* + * Construct the work request to set the filter. + */ + if (adapter->params.filter2_wr_support) + fwr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER2_WR)); + else + fwr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER_WR)); + fwr->len16_pkd = cpu_to_be32(V_FW_WR_LEN16(sizeof(*fwr) / 16)); + fwr->tid_to_iq = + cpu_to_be32(V_FW_FILTER_WR_TID(f->tid) | + V_FW_FILTER_WR_RQTYPE(f->fs.type) | + V_FW_FILTER_WR_NOREPLY(0) | + V_FW_FILTER_WR_IQ(f->fs.iq)); + fwr->del_filter_to_l2tix = + cpu_to_be32(V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) | + V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) | + V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) | + V_FW_FILTER_WR_SMAC(f->fs.newsmac) | + V_FW_FILTER_WR_DMAC(f->fs.newdmac) | + V_FW_FILTER_WR_INSVLAN + (f->fs.newvlan == VLAN_INSERT || + f->fs.newvlan == VLAN_REWRITE) | + V_FW_FILTER_WR_RMVLAN + (f->fs.newvlan == VLAN_REMOVE || + f->fs.newvlan == VLAN_REWRITE) | + V_FW_FILTER_WR_HITCNTS(f->fs.hitcnts) | + V_FW_FILTER_WR_TXCHAN(f->fs.eport) | + V_FW_FILTER_WR_PRIO(f->fs.prio) | + V_FW_FILTER_WR_L2TIX(f->l2t ? f->l2t->idx : 0)); + fwr->ethtype = cpu_to_be16(f->fs.val.ethtype); + fwr->ethtypem = cpu_to_be16(f->fs.mask.ethtype); + fwr->frag_to_ovlan_vldm = + (V_FW_FILTER_WR_IVLAN_VLD(f->fs.val.ivlan_vld) | + V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.ivlan_vld) | + V_FW_FILTER_WR_OVLAN_VLD(f->fs.val.ovlan_vld) | + V_FW_FILTER_WR_OVLAN_VLDM(f->fs.mask.ovlan_vld)); + fwr->smac_sel = f->smt ? f->smt->hw_idx : 0; + fwr->rx_chan_rx_rpl_iq = + cpu_to_be16(V_FW_FILTER_WR_RX_CHAN(0) | + V_FW_FILTER_WR_RX_RPL_IQ(adapter->sge.fw_evtq.abs_id + )); + fwr->maci_to_matchtypem = + cpu_to_be32(V_FW_FILTER_WR_MACI(f->fs.val.macidx) | + V_FW_FILTER_WR_MACIM(f->fs.mask.macidx) | + V_FW_FILTER_WR_PORT(f->fs.val.iport) | + V_FW_FILTER_WR_PORTM(f->fs.mask.iport)); + fwr->ptcl = f->fs.val.proto; + fwr->ptclm = f->fs.mask.proto; + fwr->ttyp = f->fs.val.tos; + fwr->ttypm = f->fs.mask.tos; + fwr->ivlan = cpu_to_be16(f->fs.val.ivlan); + fwr->ivlanm = cpu_to_be16(f->fs.mask.ivlan); + fwr->ovlan = cpu_to_be16(f->fs.val.ovlan); + fwr->ovlanm = cpu_to_be16(f->fs.mask.ovlan); + rte_memcpy(fwr->lip, f->fs.val.lip, sizeof(fwr->lip)); + rte_memcpy(fwr->lipm, f->fs.mask.lip, sizeof(fwr->lipm)); + rte_memcpy(fwr->fip, f->fs.val.fip, sizeof(fwr->fip)); + rte_memcpy(fwr->fipm, f->fs.mask.fip, sizeof(fwr->fipm)); + fwr->lp = cpu_to_be16(f->fs.val.lport); + fwr->lpm = cpu_to_be16(f->fs.mask.lport); + fwr->fp = cpu_to_be16(f->fs.val.fport); + fwr->fpm = cpu_to_be16(f->fs.mask.fport); + + if (adapter->params.filter2_wr_support) { + fwr->filter_type_swapmac = + V_FW_FILTER2_WR_SWAPMAC(f->fs.swapmac); + fwr->natmode_to_ulp_type = + V_FW_FILTER2_WR_ULP_TYPE(f->fs.nat_mode ? + ULP_MODE_TCPDDP : + ULP_MODE_NONE) | + V_FW_FILTER2_WR_NATMODE(f->fs.nat_mode); + memcpy(fwr->newlip, f->fs.nat_lip, sizeof(fwr->newlip)); + memcpy(fwr->newfip, f->fs.nat_fip, sizeof(fwr->newfip)); + fwr->newlport = cpu_to_be16(f->fs.nat_lport); + fwr->newfport = cpu_to_be16(f->fs.nat_fport); + } + + /* + * Mark the filter as "pending" and ship off the Filter Work Request. + * When we get the Work Request Reply we'll clear the pending status. + */ + f->pending = 1; + t4_mgmt_tx(ctrlq, mbuf); + return 0; + +out: + return ret; +} + +/** + * Set the corresponding entries in the bitmap. + */ +static int cxgbe_set_ftid(struct tid_info *t, u32 fidx, u8 nentries) +{ + u32 i; + + t4_os_lock(&t->ftid_lock); + if (rte_bitmap_get(t->ftid_bmap, fidx)) { + t4_os_unlock(&t->ftid_lock); + return -EBUSY; + } + + for (i = fidx; i < fidx + nentries; i++) + rte_bitmap_set(t->ftid_bmap, i); + t4_os_unlock(&t->ftid_lock); + return 0; +} + +/** + * Clear the corresponding entries in the bitmap. + */ +static void cxgbe_clear_ftid(struct tid_info *t, u32 fidx, u8 nentries) +{ + u32 i; + + t4_os_lock(&t->ftid_lock); + for (i = fidx; i < fidx + nentries; i++) + rte_bitmap_clear(t->ftid_bmap, i); + t4_os_unlock(&t->ftid_lock); +} + +/** + * Check a delete filter request for validity and send it to the hardware. + * Return 0 on success, an error number otherwise. We attach any provided + * filter operation context to the internal filter specification in order to + * facilitate signaling completion of the operation. + */ +int cxgbe_del_filter(struct rte_eth_dev *dev, unsigned int filter_id, + struct ch_filter_specification *fs, + struct filter_ctx *ctx) +{ + struct port_info *pi = dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct filter_entry *f; + unsigned int chip_ver; + u8 nentries; + int ret; + + if (is_hashfilter(adapter) && fs->cap) + return cxgbe_del_hash_filter(dev, filter_id, ctx); + + if (filter_id >= adapter->tids.nftids) + return -ERANGE; + + chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); + + /* + * Ensure IPv6 filter id is aligned on the 2 slot boundary for T6, + * and 4 slot boundary for cards below T6. + */ + if (fs->type == FILTER_TYPE_IPV6) { + if (chip_ver < CHELSIO_T6) + filter_id &= ~(0x3); + else + filter_id &= ~(0x1); + } + + nentries = cxgbe_filter_slots(adapter, fs->type); + ret = cxgbe_is_filter_set(&adapter->tids, filter_id, nentries); + if (!ret) { + dev_warn(adap, "%s: could not find filter entry: %u\n", + __func__, filter_id); + return -EINVAL; + } + + f = &adapter->tids.ftid_tab[filter_id]; + ret = writable_filter(f); + if (ret) + return ret; + + if (f->valid) { + f->ctx = ctx; + cxgbe_clear_ftid(&adapter->tids, + f->tid - adapter->tids.ftid_base, + nentries); + return del_filter_wr(dev, filter_id); + } + + /* + * If the caller has passed in a Completion Context then we need to + * mark it as a successful completion so they don't stall waiting + * for it. + */ + if (ctx) { + ctx->result = 0; + t4_complete(&ctx->completion); + } + + return 0; +} + +/** + * Check a Chelsio Filter Request for validity, convert it into our internal + * format and send it to the hardware. Return 0 on success, an error number + * otherwise. We attach any provided filter operation context to the internal + * filter specification in order to facilitate signaling completion of the + * operation. + */ +int cxgbe_set_filter(struct rte_eth_dev *dev, unsigned int filter_id, + struct ch_filter_specification *fs, + struct filter_ctx *ctx) +{ + struct port_info *pi = ethdev2pinfo(dev); + struct adapter *adapter = pi->adapter; + u8 nentries, bitoff[16] = {0}; + struct filter_entry *f; + unsigned int chip_ver; + unsigned int fidx, iq; + u32 iconf; + int ret; + + if (is_hashfilter(adapter) && fs->cap) + return cxgbe_set_hash_filter(dev, fs, ctx); + + if (filter_id >= adapter->tids.nftids) + return -ERANGE; + + chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); + + ret = cxgbe_validate_filter(adapter, fs); + if (ret) + return ret; + + /* + * IPv6 filters occupy four slots and must be aligned on four-slot + * boundaries for T5. On T6, IPv6 filters occupy two-slots and + * must be aligned on two-slot boundaries. + * + * IPv4 filters only occupy a single slot and have no alignment + * requirements. + */ + fidx = filter_id; + if (fs->type == FILTER_TYPE_IPV6) { + if (chip_ver < CHELSIO_T6) + fidx &= ~(0x3); + else + fidx &= ~(0x1); + } + + if (fidx != filter_id) + return -EINVAL; + + nentries = cxgbe_filter_slots(adapter, fs->type); + ret = cxgbe_is_filter_set(&adapter->tids, filter_id, nentries); + if (ret) + return -EBUSY; + + iq = get_filter_steerq(dev, fs); + + /* + * Check to make sure that provided filter index is not + * already in use by someone else + */ + f = &adapter->tids.ftid_tab[filter_id]; + if (f->valid) + return -EBUSY; + + fidx = adapter->tids.ftid_base + filter_id; + ret = cxgbe_set_ftid(&adapter->tids, filter_id, nentries); + if (ret) + return ret; + + /* + * Check to make sure the filter requested is writable ... + */ + ret = writable_filter(f); + if (ret) { + /* Clear the bits we have set above */ + cxgbe_clear_ftid(&adapter->tids, filter_id, nentries); + return ret; + } + + /* + * Allocate a clip table entry only if we have non-zero IPv6 address + */ + if (chip_ver > CHELSIO_T5 && fs->type && + memcmp(fs->val.lip, bitoff, sizeof(bitoff))) { + f->clipt = cxgbe_clip_alloc(dev, (u32 *)&fs->val.lip); + if (!f->clipt) + goto free_tid; + } + + /* + * Convert the filter specification into our internal format. + * We copy the PF/VF specification into the Outer VLAN field + * here so the rest of the code -- including the interface to + * the firmware -- doesn't have to constantly do these checks. + */ + f->fs = *fs; + f->fs.iq = iq; + f->dev = dev; + + iconf = adapter->params.tp.ingress_config; + + /* Either PFVF or OVLAN can be active, but not both + * So, if PFVF is enabled, then overwrite the OVLAN + * fields with PFVF fields before writing the spec + * to hardware. + */ + if (iconf & F_VNIC) { + f->fs.val.ovlan = fs->val.pf << 13 | fs->val.vf; + f->fs.mask.ovlan = fs->mask.pf << 13 | fs->mask.vf; + f->fs.val.ovlan_vld = fs->val.pfvf_vld; + f->fs.mask.ovlan_vld = fs->mask.pfvf_vld; + } + + /* + * Attempt to set the filter. If we don't succeed, we clear + * it and return the failure. + */ + f->ctx = ctx; + f->tid = fidx; /* Save the actual tid */ + ret = set_filter_wr(dev, filter_id); + if (ret) + goto free_tid; + + return ret; + +free_tid: + cxgbe_clear_ftid(&adapter->tids, filter_id, nentries); + clear_filter(f); + return ret; +} + +/** + * Handle a Hash filter write reply. + */ +void cxgbe_hash_filter_rpl(struct adapter *adap, + const struct cpl_act_open_rpl *rpl) +{ + struct tid_info *t = &adap->tids; + struct filter_entry *f; + struct filter_ctx *ctx = NULL; + unsigned int tid = GET_TID(rpl); + unsigned int ftid = G_TID_TID(G_AOPEN_ATID + (be32_to_cpu(rpl->atid_status))); + unsigned int status = G_AOPEN_STATUS(be32_to_cpu(rpl->atid_status)); + + f = lookup_atid(t, ftid); + if (!f) { + dev_warn(adap, "%s: could not find filter entry: %d\n", + __func__, ftid); + return; + } + + ctx = f->ctx; + f->ctx = NULL; + + switch (status) { + case CPL_ERR_NONE: { + f->tid = tid; + f->pending = 0; /* asynchronous setup completed */ + f->valid = 1; + + cxgbe_insert_tid(t, f, f->tid, 0); + cxgbe_free_atid(t, ftid); + if (ctx) { + ctx->tid = f->tid; + ctx->result = 0; + } + if (f->fs.hitcnts) + set_tcb_field(adap, tid, + W_TCB_TIMESTAMP, + V_TCB_TIMESTAMP(M_TCB_TIMESTAMP) | + V_TCB_T_RTT_TS_RECENT_AGE + (M_TCB_T_RTT_TS_RECENT_AGE), + V_TCB_TIMESTAMP(0ULL) | + V_TCB_T_RTT_TS_RECENT_AGE(0ULL), + 1); + if (f->fs.newdmac) + set_tcb_tflag(adap, tid, S_TF_CCTRL_ECE, 1, 1); + if (f->fs.newvlan == VLAN_INSERT || + f->fs.newvlan == VLAN_REWRITE) + set_tcb_tflag(adap, tid, S_TF_CCTRL_RFR, 1, 1); + if (f->fs.newsmac) { + set_tcb_tflag(adap, tid, S_TF_CCTRL_CWR, 1, 1); + set_tcb_field(adap, tid, W_TCB_SMAC_SEL, + V_TCB_SMAC_SEL(M_TCB_SMAC_SEL), + V_TCB_SMAC_SEL(f->smt->hw_idx), 1); + } + break; + } + default: + dev_warn(adap, "%s: filter creation failed with status = %u\n", + __func__, status); + + if (ctx) { + if (status == CPL_ERR_TCAM_FULL) + ctx->result = -EAGAIN; + else + ctx->result = -EINVAL; + } + + cxgbe_free_atid(t, ftid); + t4_os_free(f); + } + + if (ctx) + t4_complete(&ctx->completion); +} + +/** + * Handle a LE-TCAM filter write/deletion reply. + */ +void cxgbe_filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl) +{ + struct filter_entry *f = NULL; + unsigned int tid = GET_TID(rpl); + int idx, max_fidx = adap->tids.nftids; + + /* Get the corresponding filter entry for this tid */ + if (adap->tids.ftid_tab) { + /* Check this in normal filter region */ + idx = tid - adap->tids.ftid_base; + if (idx >= max_fidx) + return; + + f = &adap->tids.ftid_tab[idx]; + if (f->tid != tid) + return; + } + + /* We found the filter entry for this tid */ + if (f) { + unsigned int ret = G_COOKIE(rpl->cookie); + struct filter_ctx *ctx; + + /* + * Pull off any filter operation context attached to the + * filter. + */ + ctx = f->ctx; + f->ctx = NULL; + + if (ret == FW_FILTER_WR_FLT_ADDED) { + f->pending = 0; /* asynchronous setup completed */ + f->valid = 1; + if (ctx) { + ctx->tid = f->tid; + ctx->result = 0; + } + } else if (ret == FW_FILTER_WR_FLT_DELETED) { + /* + * Clear the filter when we get confirmation from the + * hardware that the filter has been deleted. + */ + clear_filter(f); + if (ctx) + ctx->result = 0; + } else { + /* + * Something went wrong. Issue a warning about the + * problem and clear everything out. + */ + dev_warn(adap, "filter %u setup failed with error %u\n", + idx, ret); + clear_filter(f); + if (ctx) + ctx->result = -EINVAL; + } + + if (ctx) + t4_complete(&ctx->completion); + } +} + +/* + * Retrieve the packet count for the specified filter. + */ +int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx, + u64 *c, int hash, bool get_byte) +{ + struct filter_entry *f; + unsigned int tcb_base, tcbaddr; + int ret; + + tcb_base = t4_read_reg(adapter, A_TP_CMM_TCB_BASE); + if (is_hashfilter(adapter) && hash) { + if (fidx < adapter->tids.ntids) { + f = adapter->tids.tid_tab[fidx]; + if (!f) + return -EINVAL; + + if (is_t5(adapter->params.chip)) { + *c = 0; + return 0; + } + tcbaddr = tcb_base + (fidx * TCB_SIZE); + goto get_count; + } else { + return -ERANGE; + } + } else { + if (fidx >= adapter->tids.nftids) + return -ERANGE; + + f = &adapter->tids.ftid_tab[fidx]; + if (!f->valid) + return -EINVAL; + + tcbaddr = tcb_base + f->tid * TCB_SIZE; + } + + f = &adapter->tids.ftid_tab[fidx]; + if (!f->valid) + return -EINVAL; + +get_count: + if (is_t5(adapter->params.chip) || is_t6(adapter->params.chip)) { + /* + * For T5, the Filter Packet Hit Count is maintained as a + * 32-bit Big Endian value in the TCB field {timestamp}. + * Similar to the craziness above, instead of the filter hit + * count showing up at offset 20 ((W_TCB_TIMESTAMP == 5) * + * sizeof(u32)), it actually shows up at offset 24. Whacky. + */ + if (get_byte) { + unsigned int word_offset = 4; + __be64 be64_byte_count; + + t4_os_lock(&adapter->win0_lock); + ret = t4_memory_rw(adapter, MEMWIN_NIC, MEM_EDC0, + tcbaddr + + (word_offset * sizeof(__be32)), + sizeof(be64_byte_count), + &be64_byte_count, + T4_MEMORY_READ); + t4_os_unlock(&adapter->win0_lock); + if (ret < 0) + return ret; + *c = be64_to_cpu(be64_byte_count); + } else { + unsigned int word_offset = 6; + __be32 be32_count; + + t4_os_lock(&adapter->win0_lock); + ret = t4_memory_rw(adapter, MEMWIN_NIC, MEM_EDC0, + tcbaddr + + (word_offset * sizeof(__be32)), + sizeof(be32_count), &be32_count, + T4_MEMORY_READ); + t4_os_unlock(&adapter->win0_lock); + if (ret < 0) + return ret; + *c = (u64)be32_to_cpu(be32_count); + } + } + return 0; +} + +/* + * Clear the packet count for the specified filter. + */ +int cxgbe_clear_filter_count(struct adapter *adapter, unsigned int fidx, + int hash, bool clear_byte) +{ + u64 tcb_mask = 0, tcb_val = 0; + struct filter_entry *f = NULL; + u16 tcb_word = 0; + + if (is_hashfilter(adapter) && hash) { + if (fidx >= adapter->tids.ntids) + return -ERANGE; + + /* No hitcounts supported for T5 hashfilters */ + if (is_t5(adapter->params.chip)) + return 0; + + f = adapter->tids.tid_tab[fidx]; + } else { + if (fidx >= adapter->tids.nftids) + return -ERANGE; + + f = &adapter->tids.ftid_tab[fidx]; + } + + if (!f || !f->valid) + return -EINVAL; + + tcb_word = W_TCB_TIMESTAMP; + tcb_mask = V_TCB_TIMESTAMP(M_TCB_TIMESTAMP); + tcb_val = V_TCB_TIMESTAMP(0ULL); + + set_tcb_field(adapter, f->tid, tcb_word, tcb_mask, tcb_val, 1); + + if (clear_byte) { + tcb_word = W_TCB_T_RTT_TS_RECENT_AGE; + tcb_mask = + V_TCB_T_RTT_TS_RECENT_AGE(M_TCB_T_RTT_TS_RECENT_AGE) | + V_TCB_T_RTSEQ_RECENT(M_TCB_T_RTSEQ_RECENT); + tcb_val = V_TCB_T_RTT_TS_RECENT_AGE(0ULL) | + V_TCB_T_RTSEQ_RECENT(0ULL); + + set_tcb_field(adapter, f->tid, tcb_word, tcb_mask, tcb_val, 1); + } + + return 0; +} + +/** + * Handle a Hash filter delete reply. + */ +void cxgbe_hash_del_filter_rpl(struct adapter *adap, + const struct cpl_abort_rpl_rss *rpl) +{ + struct tid_info *t = &adap->tids; + struct filter_entry *f; + struct filter_ctx *ctx = NULL; + unsigned int tid = GET_TID(rpl); + + f = lookup_tid(t, tid); + if (!f) { + dev_warn(adap, "%s: could not find filter entry: %u\n", + __func__, tid); + return; + } + + ctx = f->ctx; + f->ctx = NULL; + + f->valid = 0; + + if (f->clipt) + cxgbe_clip_release(f->dev, f->clipt); + + cxgbe_remove_tid(t, 0, tid, 0); + t4_os_free(f); + + if (ctx) { + ctx->result = 0; + t4_complete(&ctx->completion); + } +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.h new file mode 100644 index 000000000..e79c052de --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_filter.h @@ -0,0 +1,276 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_FILTER_H_ +#define _CXGBE_FILTER_H_ + +#include "base/t4_msg.h" +/* + * Defined bit width of user definable filter tuples + */ +#define ETHTYPE_BITWIDTH 16 +#define FRAG_BITWIDTH 1 +#define MACIDX_BITWIDTH 9 +#define FCOE_BITWIDTH 1 +#define IPORT_BITWIDTH 3 +#define MATCHTYPE_BITWIDTH 3 +#define PROTO_BITWIDTH 8 +#define TOS_BITWIDTH 8 +#define PF_BITWIDTH 3 +#define VF_BITWIDTH 13 +#define IVLAN_BITWIDTH 16 +#define OVLAN_BITWIDTH 16 + +/* + * Filter matching rules. These consist of a set of ingress packet field + * (value, mask) tuples. The associated ingress packet field matches the + * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field + * rule can be constructed by specifying a tuple of (0, 0).) A filter rule + * matches an ingress packet when all of the individual individual field + * matching rules are true. + * + * Partial field masks are always valid, however, while it may be easy to + * understand their meanings for some fields (e.g. IP address to match a + * subnet), for others making sensible partial masks is less intuitive (e.g. + * MPS match type) ... + */ +struct ch_filter_tuple { + /* + * Compressed header matching field rules. The TP_VLAN_PRI_MAP + * register selects which of these fields will participate in the + * filter match rules -- up to a maximum of 36 bits. Because + * TP_VLAN_PRI_MAP is a global register, all filters must use the same + * set of fields. + */ + uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */ + uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */ + uint32_t ivlan_vld:1; /* inner VLAN valid */ + uint32_t ovlan_vld:1; /* outer VLAN valid */ + uint32_t pfvf_vld:1; /* PF/VF valid */ + uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */ + uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */ + uint32_t iport:IPORT_BITWIDTH; /* ingress port */ + uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */ + uint32_t proto:PROTO_BITWIDTH; /* protocol type */ + uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */ + uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */ + uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */ + uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */ + uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */ + + /* + * Uncompressed header matching field rules. These are always + * available for field rules. + */ + uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */ + uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */ + uint16_t lport; /* local port */ + uint16_t fport; /* foreign port */ + + /* reservations for future additions */ + uint8_t rsvd[12]; +}; + +/* + * Filter specification + */ +struct ch_filter_specification { + void *private; + /* Administrative fields for filter. */ + uint32_t hitcnts:1; /* count filter hits in TCB */ + uint32_t prio:1; /* filter has priority over active/server */ + + /* + * Fundamental filter typing. This is the one element of filter + * matching that doesn't exist as a (value, mask) tuple. + */ + uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ + uint32_t cap:1; /* 0 => LE-TCAM, 1 => Hash */ + + /* + * Packet dispatch information. Ingress packets which match the + * filter rules will be dropped, passed to the host or switched back + * out as egress packets. + */ + uint32_t action:2; /* drop, pass, switch */ + + uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ + uint32_t iq:10; /* ingress queue */ + + uint32_t eport:2; /* egress port to switch packet out */ + uint32_t newsmac:1; /* rewrite source MAC address */ + uint32_t newdmac:1; /* rewrite destination MAC address */ + uint32_t swapmac:1; /* swap SMAC/DMAC for loopback packet */ + uint32_t newvlan:2; /* rewrite VLAN Tag */ + uint8_t smac[RTE_ETHER_ADDR_LEN]; /* new source MAC address */ + uint8_t dmac[RTE_ETHER_ADDR_LEN]; /* new destination MAC address */ + uint16_t vlan; /* VLAN Tag to insert */ + + /* + * Switch proxy/rewrite fields. An ingress packet which matches a + * filter with "switch" set will be looped back out as an egress + * packet -- potentially with some header rewriting. + */ + uint32_t nat_mode:3; /* specify NAT operation mode */ + + uint8_t nat_lip[16]; /* local IP to use after NAT'ing */ + uint8_t nat_fip[16]; /* foreign IP to use after NAT'ing */ + uint16_t nat_lport; /* local port number to use after NAT'ing */ + uint16_t nat_fport; /* foreign port number to use after NAT'ing */ + + /* Filter rule value/mask pairs. */ + struct ch_filter_tuple val; + struct ch_filter_tuple mask; +}; + +enum { + FILTER_PASS = 0, /* default */ + FILTER_DROP, + FILTER_SWITCH +}; + +enum { + VLAN_REMOVE = 1, + VLAN_INSERT, + VLAN_REWRITE +}; + +enum { + NAT_MODE_NONE = 0, /* No NAT performed */ + NAT_MODE_DIP, /* NAT on Dst IP */ + NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */ + NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */ + NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */ + NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */ + NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */ + NAT_MODE_ALL /* NAT on entire 4-tuple */ +}; + +enum filter_type { + FILTER_TYPE_IPV4 = 0, + FILTER_TYPE_IPV6, +}; + +struct t4_completion { + unsigned int done; /* completion done (0 - No, 1 - Yes) */ + rte_spinlock_t lock; /* completion lock */ +}; + +/* + * Filter operation context to allow callers to wait for + * an asynchronous completion. + */ +struct filter_ctx { + struct t4_completion completion; /* completion rendezvous */ + int result; /* result of operation */ + u32 tid; /* to store tid of hash filter */ +}; + +/* + * Host shadow copy of ingress filter entry. This is in host native format + * and doesn't match the ordering or bit order, etc. of the hardware or the + * firmware command. + */ +struct filter_entry { + /* + * Administrative fields for filter. + */ + u32 valid:1; /* filter allocated and valid */ + u32 locked:1; /* filter is administratively locked */ + u32 pending:1; /* filter action is pending FW reply */ + struct filter_ctx *ctx; /* caller's completion hook */ + struct clip_entry *clipt; /* CLIP Table entry for IPv6 */ + struct l2t_entry *l2t; /* Layer Two Table entry for dmac */ + struct smt_entry *smt; /* Source Mac Table entry for smac */ + struct rte_eth_dev *dev; /* Port's rte eth device */ + void *private; /* For use by apps using filter_entry */ + + /* This will store the actual tid */ + u32 tid; + + /* + * The filter itself. + */ + struct ch_filter_specification fs; +}; + +#define FILTER_ID_MAX (~0U) + +struct tid_info; +struct adapter; + +/** + * Find first clear bit in the bitmap. + */ +static inline unsigned int cxgbe_find_first_zero_bit(struct rte_bitmap *bmap, + unsigned int size) +{ + unsigned int idx; + + for (idx = 0; idx < size; idx++) + if (!rte_bitmap_get(bmap, idx)) + break; + + return idx; +} + +/** + * Find a free region of 'num' consecutive entries. + */ +static inline unsigned int +cxgbe_bitmap_find_free_region(struct rte_bitmap *bmap, unsigned int size, + unsigned int num) +{ + unsigned int idx, j, free = 0; + + if (num > size) + return size; + + for (idx = 0; idx < size; idx += num) { + for (j = 0; j < num; j++) { + if (!rte_bitmap_get(bmap, idx + j)) { + free++; + } else { + free = 0; + break; + } + } + + /* Found the Region */ + if (free == num) + break; + + /* Reached the end and still no region found */ + if ((idx + num) > size) { + idx = size; + break; + } + } + + return idx; +} + +u8 cxgbe_filter_slots(struct adapter *adap, u8 family); +bool cxgbe_is_filter_set(struct tid_info *t, u32 fidx, u8 nentries); +void cxgbe_filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl); +int cxgbe_set_filter(struct rte_eth_dev *dev, unsigned int filter_id, + struct ch_filter_specification *fs, + struct filter_ctx *ctx); +int cxgbe_del_filter(struct rte_eth_dev *dev, unsigned int filter_id, + struct ch_filter_specification *fs, + struct filter_ctx *ctx); +int cxgbe_alloc_ftid(struct adapter *adap, u8 nentries); +int cxgbe_init_hash_filter(struct adapter *adap); +void cxgbe_hash_filter_rpl(struct adapter *adap, + const struct cpl_act_open_rpl *rpl); +void cxgbe_hash_del_filter_rpl(struct adapter *adap, + const struct cpl_abort_rpl_rss *rpl); +int cxgbe_validate_filter(struct adapter *adap, + struct ch_filter_specification *fs); +int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx, + u64 *c, int hash, bool get_byte); +int cxgbe_clear_filter_count(struct adapter *adapter, unsigned int fidx, + int hash, bool clear_byte); +#endif /* _CXGBE_FILTER_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.c new file mode 100644 index 000000000..166c39ba5 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.c @@ -0,0 +1,1458 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ +#include "base/common.h" +#include "cxgbe_flow.h" + +#define __CXGBE_FILL_FS(__v, __m, fs, elem, e) \ +do { \ + if ((fs)->mask.elem && ((fs)->val.elem != (__v))) \ + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, \ + NULL, "Redefined match item with" \ + " different values found"); \ + (fs)->val.elem = (__v); \ + (fs)->mask.elem = (__m); \ +} while (0) + +#define __CXGBE_FILL_FS_MEMCPY(__v, __m, fs, elem) \ +do { \ + memcpy(&(fs)->val.elem, &(__v), sizeof(__v)); \ + memcpy(&(fs)->mask.elem, &(__m), sizeof(__m)); \ +} while (0) + +#define CXGBE_FILL_FS(v, m, elem) \ + __CXGBE_FILL_FS(v, m, fs, elem, e) + +#define CXGBE_FILL_FS_MEMCPY(v, m, elem) \ + __CXGBE_FILL_FS_MEMCPY(v, m, fs, elem) + +static int +cxgbe_validate_item(const struct rte_flow_item *i, struct rte_flow_error *e) +{ + /* rte_flow specification does not allow it. */ + if (!i->spec && (i->mask || i->last)) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + i, "last or mask given without spec"); + /* + * We don't support it. + * Although, we can support values in last as 0's or last == spec. + * But this will not provide user with any additional functionality + * and will only increase the complexity for us. + */ + if (i->last) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + i, "last is not supported by chelsio pmd"); + return 0; +} + +/** + * Apart from the 4-tuple IPv4/IPv6 - TCP/UDP information, + * there's only 40-bits available to store match fields. + * So, to save space, optimize filter spec for some common + * known fields that hardware can parse against incoming + * packets automatically. + */ +static void +cxgbe_tweak_filter_spec(struct adapter *adap, + struct ch_filter_specification *fs) +{ + /* Save 16-bit ethertype field space, by setting corresponding + * 1-bit flags in the filter spec for common known ethertypes. + * When hardware sees these flags, it automatically infers and + * matches incoming packets against the corresponding ethertype. + */ + if (fs->mask.ethtype == 0xffff) { + switch (fs->val.ethtype) { + case RTE_ETHER_TYPE_IPV4: + if (adap->params.tp.ethertype_shift < 0) { + fs->type = FILTER_TYPE_IPV4; + fs->val.ethtype = 0; + fs->mask.ethtype = 0; + } + break; + case RTE_ETHER_TYPE_IPV6: + if (adap->params.tp.ethertype_shift < 0) { + fs->type = FILTER_TYPE_IPV6; + fs->val.ethtype = 0; + fs->mask.ethtype = 0; + } + break; + case RTE_ETHER_TYPE_VLAN: + if (adap->params.tp.ethertype_shift < 0 && + adap->params.tp.vlan_shift >= 0) { + fs->val.ivlan_vld = 1; + fs->mask.ivlan_vld = 1; + fs->val.ethtype = 0; + fs->mask.ethtype = 0; + } + break; + case RTE_ETHER_TYPE_QINQ: + if (adap->params.tp.ethertype_shift < 0 && + adap->params.tp.vnic_shift >= 0) { + fs->val.ovlan_vld = 1; + fs->mask.ovlan_vld = 1; + fs->val.ethtype = 0; + fs->mask.ethtype = 0; + } + break; + default: + break; + } + } +} + +static void +cxgbe_fill_filter_region(struct adapter *adap, + struct ch_filter_specification *fs) +{ + struct tp_params *tp = &adap->params.tp; + u64 hash_filter_mask = tp->hash_filter_mask; + u64 ntuple_mask = 0; + + fs->cap = 0; + + if (!is_hashfilter(adap)) + return; + + if (fs->type) { + uint8_t biton[16] = {0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff}; + uint8_t bitoff[16] = {0}; + + if (!memcmp(fs->val.lip, bitoff, sizeof(bitoff)) || + !memcmp(fs->val.fip, bitoff, sizeof(bitoff)) || + memcmp(fs->mask.lip, biton, sizeof(biton)) || + memcmp(fs->mask.fip, biton, sizeof(biton))) + return; + } else { + uint32_t biton = 0xffffffff; + uint32_t bitoff = 0x0U; + + if (!memcmp(fs->val.lip, &bitoff, sizeof(bitoff)) || + !memcmp(fs->val.fip, &bitoff, sizeof(bitoff)) || + memcmp(fs->mask.lip, &biton, sizeof(biton)) || + memcmp(fs->mask.fip, &biton, sizeof(biton))) + return; + } + + if (!fs->val.lport || fs->mask.lport != 0xffff) + return; + if (!fs->val.fport || fs->mask.fport != 0xffff) + return; + + if (tp->protocol_shift >= 0) + ntuple_mask |= (u64)fs->mask.proto << tp->protocol_shift; + if (tp->ethertype_shift >= 0) + ntuple_mask |= (u64)fs->mask.ethtype << tp->ethertype_shift; + if (tp->port_shift >= 0) + ntuple_mask |= (u64)fs->mask.iport << tp->port_shift; + if (tp->macmatch_shift >= 0) + ntuple_mask |= (u64)fs->mask.macidx << tp->macmatch_shift; + if (tp->vlan_shift >= 0 && fs->mask.ivlan_vld) + ntuple_mask |= (u64)(F_FT_VLAN_VLD | fs->mask.ivlan) << + tp->vlan_shift; + if (tp->vnic_shift >= 0) { + if (fs->mask.ovlan_vld) + ntuple_mask |= (u64)(fs->val.ovlan_vld << 16 | + fs->mask.ovlan) << tp->vnic_shift; + else if (fs->mask.pfvf_vld) + ntuple_mask |= (u64)(fs->mask.pfvf_vld << 16 | + fs->mask.pf << 13 | + fs->mask.vf) << tp->vnic_shift; + } + if (tp->tos_shift >= 0) + ntuple_mask |= (u64)fs->mask.tos << tp->tos_shift; + + if (ntuple_mask != hash_filter_mask) + return; + + fs->cap = 1; /* use hash region */ +} + +static int +ch_rte_parsetype_eth(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_eth *spec = item->spec; + const struct rte_flow_item_eth *umask = item->mask; + const struct rte_flow_item_eth *mask; + + /* If user has not given any mask, then use chelsio supported mask. */ + mask = umask ? umask : (const struct rte_flow_item_eth *)dmask; + + if (!spec) + return 0; + + /* we don't support SRC_MAC filtering*/ + if (!rte_is_zero_ether_addr(&mask->src)) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "src mac filtering not supported"); + + if (!rte_is_zero_ether_addr(&mask->dst)) { + const u8 *addr = (const u8 *)&spec->dst.addr_bytes[0]; + const u8 *m = (const u8 *)&mask->dst.addr_bytes[0]; + struct rte_flow *flow = (struct rte_flow *)fs->private; + struct port_info *pi = (struct port_info *) + (flow->dev->data->dev_private); + int idx; + + idx = cxgbe_mpstcam_alloc(pi, addr, m); + if (idx <= 0) + return rte_flow_error_set(e, idx, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "unable to allocate mac" + " entry in h/w"); + CXGBE_FILL_FS(idx, 0x1ff, macidx); + } + + CXGBE_FILL_FS(be16_to_cpu(spec->type), + be16_to_cpu(mask->type), ethtype); + + return 0; +} + +static int +ch_rte_parsetype_port(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_phy_port *val = item->spec; + const struct rte_flow_item_phy_port *umask = item->mask; + const struct rte_flow_item_phy_port *mask; + + mask = umask ? umask : (const struct rte_flow_item_phy_port *)dmask; + + if (!val) + return 0; /* Wildcard, match all physical ports */ + + if (val->index > 0x7) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "port index up to 0x7 is supported"); + + CXGBE_FILL_FS(val->index, mask->index, iport); + + return 0; +} + +static int +ch_rte_parsetype_vlan(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_vlan *spec = item->spec; + const struct rte_flow_item_vlan *umask = item->mask; + const struct rte_flow_item_vlan *mask; + + /* If user has not given any mask, then use chelsio supported mask. */ + mask = umask ? umask : (const struct rte_flow_item_vlan *)dmask; + + if (!fs->mask.ethtype) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Can't parse VLAN item without knowing ethertype"); + + /* If ethertype is already set and is not VLAN (0x8100) or + * QINQ(0x88A8), then don't proceed further. Otherwise, + * reset the outer ethertype, so that it can be replaced by + * innermost ethertype. Note that hardware will automatically + * match against VLAN or QINQ packets, based on 'ivlan_vld' or + * 'ovlan_vld' bit set in Chelsio filter spec, respectively. + */ + if (fs->mask.ethtype) { + if (fs->val.ethtype != RTE_ETHER_TYPE_VLAN && + fs->val.ethtype != RTE_ETHER_TYPE_QINQ) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Ethertype must be 0x8100 or 0x88a8"); + } + + if (fs->val.ethtype == RTE_ETHER_TYPE_QINQ) { + CXGBE_FILL_FS(1, 1, ovlan_vld); + if (spec) { + CXGBE_FILL_FS(be16_to_cpu(spec->tci), + be16_to_cpu(mask->tci), ovlan); + + fs->mask.ethtype = 0; + fs->val.ethtype = 0; + } + } else if (fs->val.ethtype == RTE_ETHER_TYPE_VLAN) { + CXGBE_FILL_FS(1, 1, ivlan_vld); + if (spec) { + CXGBE_FILL_FS(be16_to_cpu(spec->tci), + be16_to_cpu(mask->tci), ivlan); + + fs->mask.ethtype = 0; + fs->val.ethtype = 0; + } + } + + if (spec) + CXGBE_FILL_FS(be16_to_cpu(spec->inner_type), + be16_to_cpu(mask->inner_type), ethtype); + + return 0; +} + +static int +ch_rte_parsetype_pf(const void *dmask __rte_unused, + const struct rte_flow_item *item __rte_unused, + struct ch_filter_specification *fs, + struct rte_flow_error *e __rte_unused) +{ + struct rte_flow *flow = (struct rte_flow *)fs->private; + struct rte_eth_dev *dev = flow->dev; + struct adapter *adap = ethdev2adap(dev); + + CXGBE_FILL_FS(1, 1, pfvf_vld); + + CXGBE_FILL_FS(adap->pf, 0x7, pf); + return 0; +} + +static int +ch_rte_parsetype_vf(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_vf *umask = item->mask; + const struct rte_flow_item_vf *val = item->spec; + const struct rte_flow_item_vf *mask; + + /* If user has not given any mask, then use chelsio supported mask. */ + mask = umask ? umask : (const struct rte_flow_item_vf *)dmask; + + CXGBE_FILL_FS(1, 1, pfvf_vld); + + if (!val) + return 0; /* Wildcard, match all Vf */ + + if (val->id > UCHAR_MAX) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "VF ID > MAX(255)"); + + CXGBE_FILL_FS(val->id, mask->id, vf); + + return 0; +} + +static int +ch_rte_parsetype_udp(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_udp *val = item->spec; + const struct rte_flow_item_udp *umask = item->mask; + const struct rte_flow_item_udp *mask; + + mask = umask ? umask : (const struct rte_flow_item_udp *)dmask; + + if (mask->hdr.dgram_len || mask->hdr.dgram_cksum) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "udp: only src/dst port supported"); + + CXGBE_FILL_FS(IPPROTO_UDP, 0xff, proto); + if (!val) + return 0; + CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port), + be16_to_cpu(mask->hdr.src_port), fport); + CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port), + be16_to_cpu(mask->hdr.dst_port), lport); + return 0; +} + +static int +ch_rte_parsetype_tcp(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_tcp *val = item->spec; + const struct rte_flow_item_tcp *umask = item->mask; + const struct rte_flow_item_tcp *mask; + + mask = umask ? umask : (const struct rte_flow_item_tcp *)dmask; + + if (mask->hdr.sent_seq || mask->hdr.recv_ack || mask->hdr.data_off || + mask->hdr.tcp_flags || mask->hdr.rx_win || mask->hdr.cksum || + mask->hdr.tcp_urp) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "tcp: only src/dst port supported"); + + CXGBE_FILL_FS(IPPROTO_TCP, 0xff, proto); + if (!val) + return 0; + CXGBE_FILL_FS(be16_to_cpu(val->hdr.src_port), + be16_to_cpu(mask->hdr.src_port), fport); + CXGBE_FILL_FS(be16_to_cpu(val->hdr.dst_port), + be16_to_cpu(mask->hdr.dst_port), lport); + return 0; +} + +static int +ch_rte_parsetype_ipv4(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_ipv4 *val = item->spec; + const struct rte_flow_item_ipv4 *umask = item->mask; + const struct rte_flow_item_ipv4 *mask; + + mask = umask ? umask : (const struct rte_flow_item_ipv4 *)dmask; + + if (mask->hdr.time_to_live) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + item, "ttl is not supported"); + + if (fs->mask.ethtype && + (fs->val.ethtype != RTE_ETHER_TYPE_IPV4)) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Couldn't find IPv4 ethertype"); + fs->type = FILTER_TYPE_IPV4; + if (!val) + return 0; /* ipv4 wild card */ + + CXGBE_FILL_FS(val->hdr.next_proto_id, mask->hdr.next_proto_id, proto); + CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip); + CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip); + CXGBE_FILL_FS(val->hdr.type_of_service, mask->hdr.type_of_service, tos); + + return 0; +} + +static int +ch_rte_parsetype_ipv6(const void *dmask, const struct rte_flow_item *item, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_item_ipv6 *val = item->spec; + const struct rte_flow_item_ipv6 *umask = item->mask; + const struct rte_flow_item_ipv6 *mask; + u32 vtc_flow, vtc_flow_mask; + + mask = umask ? umask : (const struct rte_flow_item_ipv6 *)dmask; + + vtc_flow_mask = be32_to_cpu(mask->hdr.vtc_flow); + + if (vtc_flow_mask & RTE_IPV6_HDR_FL_MASK || + mask->hdr.payload_len || mask->hdr.hop_limits) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "flow/hop are not supported"); + + if (fs->mask.ethtype && + (fs->val.ethtype != RTE_ETHER_TYPE_IPV6)) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Couldn't find IPv6 ethertype"); + fs->type = FILTER_TYPE_IPV6; + if (!val) + return 0; /* ipv6 wild card */ + + CXGBE_FILL_FS(val->hdr.proto, mask->hdr.proto, proto); + + vtc_flow = be32_to_cpu(val->hdr.vtc_flow); + CXGBE_FILL_FS((vtc_flow & RTE_IPV6_HDR_TC_MASK) >> + RTE_IPV6_HDR_TC_SHIFT, + (vtc_flow_mask & RTE_IPV6_HDR_TC_MASK) >> + RTE_IPV6_HDR_TC_SHIFT, + tos); + + CXGBE_FILL_FS_MEMCPY(val->hdr.dst_addr, mask->hdr.dst_addr, lip); + CXGBE_FILL_FS_MEMCPY(val->hdr.src_addr, mask->hdr.src_addr, fip); + + return 0; +} + +static int +cxgbe_rtef_parse_attr(struct rte_flow *flow, const struct rte_flow_attr *attr, + struct rte_flow_error *e) +{ + if (attr->egress) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR, + attr, "attribute:<egress> is" + " not supported !"); + if (attr->group > 0) + return rte_flow_error_set(e, ENOTSUP, RTE_FLOW_ERROR_TYPE_ATTR, + attr, "group parameter is" + " not supported."); + + flow->fidx = attr->priority ? attr->priority - 1 : FILTER_ID_MAX; + + return 0; +} + +static inline int check_rxq(struct rte_eth_dev *dev, uint16_t rxq) +{ + struct port_info *pi = ethdev2pinfo(dev); + + if (rxq > pi->n_rx_qsets) + return -EINVAL; + return 0; +} + +static int cxgbe_validate_fidxondel(struct filter_entry *f, unsigned int fidx) +{ + struct adapter *adap = ethdev2adap(f->dev); + struct ch_filter_specification fs = f->fs; + u8 nentries; + + if (fidx >= adap->tids.nftids) { + dev_err(adap, "invalid flow index %d.\n", fidx); + return -EINVAL; + } + + nentries = cxgbe_filter_slots(adap, fs.type); + if (!cxgbe_is_filter_set(&adap->tids, fidx, nentries)) { + dev_err(adap, "Already free fidx:%d f:%p\n", fidx, f); + return -EINVAL; + } + + return 0; +} + +static int +cxgbe_validate_fidxonadd(struct ch_filter_specification *fs, + struct adapter *adap, unsigned int fidx) +{ + u8 nentries; + + nentries = cxgbe_filter_slots(adap, fs->type); + if (cxgbe_is_filter_set(&adap->tids, fidx, nentries)) { + dev_err(adap, "filter index: %d is busy.\n", fidx); + return -EBUSY; + } + + if (fidx >= adap->tids.nftids) { + dev_err(adap, "filter index (%u) >= max(%u)\n", + fidx, adap->tids.nftids); + return -ERANGE; + } + + return 0; +} + +static int +cxgbe_verify_fidx(struct rte_flow *flow, unsigned int fidx, uint8_t del) +{ + if (flow->fs.cap) + return 0; /* Hash filters */ + return del ? cxgbe_validate_fidxondel(flow->f, fidx) : + cxgbe_validate_fidxonadd(&flow->fs, + ethdev2adap(flow->dev), fidx); +} + +static int cxgbe_get_fidx(struct rte_flow *flow, unsigned int *fidx) +{ + struct ch_filter_specification *fs = &flow->fs; + struct adapter *adap = ethdev2adap(flow->dev); + + /* For tcam get the next available slot, if default value specified */ + if (flow->fidx == FILTER_ID_MAX) { + u8 nentries; + int idx; + + nentries = cxgbe_filter_slots(adap, fs->type); + idx = cxgbe_alloc_ftid(adap, nentries); + if (idx < 0) { + dev_err(adap, "unable to get a filter index in tcam\n"); + return -ENOMEM; + } + *fidx = (unsigned int)idx; + } else { + *fidx = flow->fidx; + } + + return 0; +} + +static int +cxgbe_get_flow_item_index(const struct rte_flow_item items[], u32 type) +{ + const struct rte_flow_item *i; + int j, index = -ENOENT; + + for (i = items, j = 0; i->type != RTE_FLOW_ITEM_TYPE_END; i++, j++) { + if (i->type == type) { + index = j; + break; + } + } + + return index; +} + +static int +ch_rte_parse_nat(uint8_t nmode, struct ch_filter_specification *fs) +{ + /* nmode: + * BIT_0 = [src_ip], BIT_1 = [dst_ip] + * BIT_2 = [src_port], BIT_3 = [dst_port] + * + * Only below cases are supported as per our spec. + */ + switch (nmode) { + case 0: /* 0000b */ + fs->nat_mode = NAT_MODE_NONE; + break; + case 2: /* 0010b */ + fs->nat_mode = NAT_MODE_DIP; + break; + case 5: /* 0101b */ + fs->nat_mode = NAT_MODE_SIP_SP; + break; + case 7: /* 0111b */ + fs->nat_mode = NAT_MODE_DIP_SIP_SP; + break; + case 10: /* 1010b */ + fs->nat_mode = NAT_MODE_DIP_DP; + break; + case 11: /* 1011b */ + fs->nat_mode = NAT_MODE_DIP_DP_SIP; + break; + case 14: /* 1110b */ + fs->nat_mode = NAT_MODE_DIP_DP_SP; + break; + case 15: /* 1111b */ + fs->nat_mode = NAT_MODE_ALL; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int +ch_rte_parse_atype_switch(const struct rte_flow_action *a, + const struct rte_flow_item items[], + uint8_t *nmode, + struct ch_filter_specification *fs, + struct rte_flow_error *e) +{ + const struct rte_flow_action_of_set_vlan_vid *vlanid; + const struct rte_flow_action_of_set_vlan_pcp *vlanpcp; + const struct rte_flow_action_of_push_vlan *pushvlan; + const struct rte_flow_action_set_ipv4 *ipv4; + const struct rte_flow_action_set_ipv6 *ipv6; + const struct rte_flow_action_set_tp *tp_port; + const struct rte_flow_action_phy_port *port; + const struct rte_flow_action_set_mac *mac; + int item_index; + u16 tmp_vlan; + + switch (a->type) { + case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID: + vlanid = (const struct rte_flow_action_of_set_vlan_vid *) + a->conf; + /* If explicitly asked to push a new VLAN header, + * then don't set rewrite mode. Otherwise, the + * incoming VLAN packets will get their VLAN fields + * rewritten, instead of adding an additional outer + * VLAN header. + */ + if (fs->newvlan != VLAN_INSERT) + fs->newvlan = VLAN_REWRITE; + tmp_vlan = fs->vlan & 0xe000; + fs->vlan = (be16_to_cpu(vlanid->vlan_vid) & 0xfff) | tmp_vlan; + break; + case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP: + vlanpcp = (const struct rte_flow_action_of_set_vlan_pcp *) + a->conf; + /* If explicitly asked to push a new VLAN header, + * then don't set rewrite mode. Otherwise, the + * incoming VLAN packets will get their VLAN fields + * rewritten, instead of adding an additional outer + * VLAN header. + */ + if (fs->newvlan != VLAN_INSERT) + fs->newvlan = VLAN_REWRITE; + tmp_vlan = fs->vlan & 0xfff; + fs->vlan = (vlanpcp->vlan_pcp << 13) | tmp_vlan; + break; + case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN: + pushvlan = (const struct rte_flow_action_of_push_vlan *) + a->conf; + if (be16_to_cpu(pushvlan->ethertype) != RTE_ETHER_TYPE_VLAN) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "only ethertype 0x8100 " + "supported for push vlan."); + fs->newvlan = VLAN_INSERT; + break; + case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN: + fs->newvlan = VLAN_REMOVE; + break; + case RTE_FLOW_ACTION_TYPE_PHY_PORT: + port = (const struct rte_flow_action_phy_port *)a->conf; + fs->eport = port->index; + break; + case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_IPV4); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_IPV4 " + "found."); + + ipv4 = (const struct rte_flow_action_set_ipv4 *)a->conf; + memcpy(fs->nat_fip, &ipv4->ipv4_addr, sizeof(ipv4->ipv4_addr)); + *nmode |= 1 << 0; + break; + case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_IPV4); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_IPV4 " + "found."); + + ipv4 = (const struct rte_flow_action_set_ipv4 *)a->conf; + memcpy(fs->nat_lip, &ipv4->ipv4_addr, sizeof(ipv4->ipv4_addr)); + *nmode |= 1 << 1; + break; + case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_IPV6); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_IPV6 " + "found."); + + ipv6 = (const struct rte_flow_action_set_ipv6 *)a->conf; + memcpy(fs->nat_fip, ipv6->ipv6_addr, sizeof(ipv6->ipv6_addr)); + *nmode |= 1 << 0; + break; + case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_IPV6); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_IPV6 " + "found."); + + ipv6 = (const struct rte_flow_action_set_ipv6 *)a->conf; + memcpy(fs->nat_lip, ipv6->ipv6_addr, sizeof(ipv6->ipv6_addr)); + *nmode |= 1 << 1; + break; + case RTE_FLOW_ACTION_TYPE_SET_TP_SRC: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_TCP); + if (item_index < 0) { + item_index = + cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_UDP); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_TCP or " + "RTE_FLOW_ITEM_TYPE_UDP found"); + } + + tp_port = (const struct rte_flow_action_set_tp *)a->conf; + fs->nat_fport = be16_to_cpu(tp_port->port); + *nmode |= 1 << 2; + break; + case RTE_FLOW_ACTION_TYPE_SET_TP_DST: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_TCP); + if (item_index < 0) { + item_index = + cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_UDP); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_TCP or " + "RTE_FLOW_ITEM_TYPE_UDP found"); + } + + tp_port = (const struct rte_flow_action_set_tp *)a->conf; + fs->nat_lport = be16_to_cpu(tp_port->port); + *nmode |= 1 << 3; + break; + case RTE_FLOW_ACTION_TYPE_MAC_SWAP: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_ETH); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_ETH " + "found"); + fs->swapmac = 1; + break; + case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_ETH); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_ETH " + "found"); + mac = (const struct rte_flow_action_set_mac *)a->conf; + + fs->newsmac = 1; + memcpy(fs->smac, mac->mac_addr, sizeof(fs->smac)); + break; + case RTE_FLOW_ACTION_TYPE_SET_MAC_DST: + item_index = cxgbe_get_flow_item_index(items, + RTE_FLOW_ITEM_TYPE_ETH); + if (item_index < 0) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "No RTE_FLOW_ITEM_TYPE_ETH found"); + mac = (const struct rte_flow_action_set_mac *)a->conf; + + fs->newdmac = 1; + memcpy(fs->dmac, mac->mac_addr, sizeof(fs->dmac)); + break; + default: + /* We are not supposed to come here */ + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "Action not supported"); + } + + return 0; +} + +static int +cxgbe_rtef_parse_actions(struct rte_flow *flow, + const struct rte_flow_item items[], + const struct rte_flow_action action[], + struct rte_flow_error *e) +{ + struct ch_filter_specification *fs = &flow->fs; + uint8_t nmode = 0, nat_ipv4 = 0, nat_ipv6 = 0; + uint8_t vlan_set_vid = 0, vlan_set_pcp = 0; + const struct rte_flow_action_queue *q; + const struct rte_flow_action *a; + char abit = 0; + int ret; + + for (a = action; a->type != RTE_FLOW_ACTION_TYPE_END; a++) { + switch (a->type) { + case RTE_FLOW_ACTION_TYPE_VOID: + continue; + case RTE_FLOW_ACTION_TYPE_DROP: + if (abit++) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "specify only 1 pass/drop"); + fs->action = FILTER_DROP; + break; + case RTE_FLOW_ACTION_TYPE_QUEUE: + q = (const struct rte_flow_action_queue *)a->conf; + if (!q) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, q, + "specify rx queue index"); + if (check_rxq(flow->dev, q->index)) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, q, + "Invalid rx queue"); + if (abit++) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "specify only 1 pass/drop"); + fs->action = FILTER_PASS; + fs->dirsteer = 1; + fs->iq = q->index; + break; + case RTE_FLOW_ACTION_TYPE_COUNT: + fs->hitcnts = 1; + break; + case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID: + vlan_set_vid++; + goto action_switch; + case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP: + vlan_set_pcp++; + goto action_switch; + case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN: + case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN: + case RTE_FLOW_ACTION_TYPE_PHY_PORT: + case RTE_FLOW_ACTION_TYPE_MAC_SWAP: + case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC: + case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST: + nat_ipv4++; + goto action_switch; + case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC: + case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST: + nat_ipv6++; + goto action_switch; + case RTE_FLOW_ACTION_TYPE_SET_TP_SRC: + case RTE_FLOW_ACTION_TYPE_SET_TP_DST: + case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC: + case RTE_FLOW_ACTION_TYPE_SET_MAC_DST: +action_switch: + /* We allow multiple switch actions, but switch is + * not compatible with either queue or drop + */ + if (abit++ && fs->action != FILTER_SWITCH) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "overlapping action specified"); + if (nat_ipv4 && nat_ipv6) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "Can't have one address ipv4 and the" + " other ipv6"); + + ret = ch_rte_parse_atype_switch(a, items, &nmode, fs, + e); + if (ret) + return ret; + fs->action = FILTER_SWITCH; + break; + default: + /* Not supported action : return error */ + return rte_flow_error_set(e, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ACTION, + a, "Action not supported"); + } + } + + if (fs->newvlan == VLAN_REWRITE && (!vlan_set_vid || !vlan_set_pcp)) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "Both OF_SET_VLAN_VID and " + "OF_SET_VLAN_PCP must be specified"); + + if (ch_rte_parse_nat(nmode, fs)) + return rte_flow_error_set(e, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, a, + "invalid settings for swich action"); + return 0; +} + +static struct chrte_fparse parseitem[] = { + [RTE_FLOW_ITEM_TYPE_ETH] = { + .fptr = ch_rte_parsetype_eth, + .dmask = &(const struct rte_flow_item_eth){ + .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff", + .src.addr_bytes = "\x00\x00\x00\x00\x00\x00", + .type = 0xffff, + } + }, + + [RTE_FLOW_ITEM_TYPE_PHY_PORT] = { + .fptr = ch_rte_parsetype_port, + .dmask = &(const struct rte_flow_item_phy_port){ + .index = 0x7, + } + }, + + [RTE_FLOW_ITEM_TYPE_VLAN] = { + .fptr = ch_rte_parsetype_vlan, + .dmask = &(const struct rte_flow_item_vlan){ + .tci = 0xffff, + .inner_type = 0xffff, + } + }, + + [RTE_FLOW_ITEM_TYPE_IPV4] = { + .fptr = ch_rte_parsetype_ipv4, + .dmask = &(const struct rte_flow_item_ipv4) { + .hdr = { + .src_addr = RTE_BE32(0xffffffff), + .dst_addr = RTE_BE32(0xffffffff), + .type_of_service = 0xff, + }, + }, + }, + + [RTE_FLOW_ITEM_TYPE_IPV6] = { + .fptr = ch_rte_parsetype_ipv6, + .dmask = &(const struct rte_flow_item_ipv6) { + .hdr = { + .src_addr = + "\xff\xff\xff\xff\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff", + .dst_addr = + "\xff\xff\xff\xff\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff", + .vtc_flow = RTE_BE32(0xff000000), + }, + }, + }, + + [RTE_FLOW_ITEM_TYPE_UDP] = { + .fptr = ch_rte_parsetype_udp, + .dmask = &rte_flow_item_udp_mask, + }, + + [RTE_FLOW_ITEM_TYPE_TCP] = { + .fptr = ch_rte_parsetype_tcp, + .dmask = &rte_flow_item_tcp_mask, + }, + + [RTE_FLOW_ITEM_TYPE_PF] = { + .fptr = ch_rte_parsetype_pf, + .dmask = NULL, + }, + + [RTE_FLOW_ITEM_TYPE_VF] = { + .fptr = ch_rte_parsetype_vf, + .dmask = &(const struct rte_flow_item_vf){ + .id = 0xffffffff, + } + }, +}; + +static int +cxgbe_rtef_parse_items(struct rte_flow *flow, + const struct rte_flow_item items[], + struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(flow->dev); + const struct rte_flow_item *i; + char repeat[ARRAY_SIZE(parseitem)] = {0}; + + for (i = items; i->type != RTE_FLOW_ITEM_TYPE_END; i++) { + struct chrte_fparse *idx; + int ret; + + if (i->type >= ARRAY_SIZE(parseitem)) + return rte_flow_error_set(e, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ITEM, + i, "Item not supported"); + + switch (i->type) { + case RTE_FLOW_ITEM_TYPE_VOID: + continue; + default: + /* check if item is repeated */ + if (repeat[i->type] && + i->type != RTE_FLOW_ITEM_TYPE_VLAN) + return rte_flow_error_set(e, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ITEM, i, + "parse items cannot be repeated(except void/vlan)"); + + repeat[i->type] = 1; + + /* validate the item */ + ret = cxgbe_validate_item(i, e); + if (ret) + return ret; + + idx = &flow->item_parser[i->type]; + if (!idx || !idx->fptr) { + return rte_flow_error_set(e, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ITEM, i, + "Item not supported"); + } else { + ret = idx->fptr(idx->dmask, i, &flow->fs, e); + if (ret) + return ret; + } + } + } + + cxgbe_fill_filter_region(adap, &flow->fs); + cxgbe_tweak_filter_spec(adap, &flow->fs); + + return 0; +} + +static int +cxgbe_flow_parse(struct rte_flow *flow, + const struct rte_flow_attr *attr, + const struct rte_flow_item item[], + const struct rte_flow_action action[], + struct rte_flow_error *e) +{ + int ret; + /* parse user request into ch_filter_specification */ + ret = cxgbe_rtef_parse_attr(flow, attr, e); + if (ret) + return ret; + ret = cxgbe_rtef_parse_items(flow, item, e); + if (ret) + return ret; + return cxgbe_rtef_parse_actions(flow, item, action, e); +} + +static int __cxgbe_flow_create(struct rte_eth_dev *dev, struct rte_flow *flow) +{ + struct ch_filter_specification *fs = &flow->fs; + struct adapter *adap = ethdev2adap(dev); + struct tid_info *t = &adap->tids; + struct filter_ctx ctx; + unsigned int fidx; + int err; + + if (cxgbe_get_fidx(flow, &fidx)) + return -ENOMEM; + if (cxgbe_verify_fidx(flow, fidx, 0)) + return -1; + + t4_init_completion(&ctx.completion); + /* go create the filter */ + err = cxgbe_set_filter(dev, fidx, fs, &ctx); + if (err) { + dev_err(adap, "Error %d while creating filter.\n", err); + return err; + } + + /* Poll the FW for reply */ + err = cxgbe_poll_for_completion(&adap->sge.fw_evtq, + CXGBE_FLOW_POLL_MS, + CXGBE_FLOW_POLL_CNT, + &ctx.completion); + if (err) { + dev_err(adap, "Filter set operation timed out (%d)\n", err); + return err; + } + if (ctx.result) { + dev_err(adap, "Hardware error %d while creating the filter.\n", + ctx.result); + return ctx.result; + } + + if (fs->cap) { /* to destroy the filter */ + flow->fidx = ctx.tid; + flow->f = lookup_tid(t, ctx.tid); + } else { + flow->fidx = fidx; + flow->f = &adap->tids.ftid_tab[fidx]; + } + + return 0; +} + +static struct rte_flow * +cxgbe_flow_create(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item item[], + const struct rte_flow_action action[], + struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(dev); + struct rte_flow *flow; + int ret; + + flow = t4_os_alloc(sizeof(struct rte_flow)); + if (!flow) { + rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, "Unable to allocate memory for" + " filter_entry"); + return NULL; + } + + flow->item_parser = parseitem; + flow->dev = dev; + flow->fs.private = (void *)flow; + + if (cxgbe_flow_parse(flow, attr, item, action, e)) { + t4_os_free(flow); + return NULL; + } + + t4_os_lock(&adap->flow_lock); + /* go, interact with cxgbe_filter */ + ret = __cxgbe_flow_create(dev, flow); + t4_os_unlock(&adap->flow_lock); + if (ret) { + rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, "Unable to create flow rule"); + t4_os_free(flow); + return NULL; + } + + flow->f->private = flow; /* Will be used during flush */ + + return flow; +} + +static int __cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow) +{ + struct adapter *adap = ethdev2adap(dev); + struct filter_entry *f = flow->f; + struct ch_filter_specification *fs; + struct filter_ctx ctx; + int err; + + fs = &f->fs; + if (cxgbe_verify_fidx(flow, flow->fidx, 1)) + return -1; + + t4_init_completion(&ctx.completion); + err = cxgbe_del_filter(dev, flow->fidx, fs, &ctx); + if (err) { + dev_err(adap, "Error %d while deleting filter.\n", err); + return err; + } + + /* Poll the FW for reply */ + err = cxgbe_poll_for_completion(&adap->sge.fw_evtq, + CXGBE_FLOW_POLL_MS, + CXGBE_FLOW_POLL_CNT, + &ctx.completion); + if (err) { + dev_err(adap, "Filter delete operation timed out (%d)\n", err); + return err; + } + if (ctx.result) { + dev_err(adap, "Hardware error %d while deleting the filter.\n", + ctx.result); + return ctx.result; + } + + fs = &flow->fs; + if (fs->mask.macidx) { + struct port_info *pi = (struct port_info *) + (dev->data->dev_private); + int ret; + + ret = cxgbe_mpstcam_remove(pi, fs->val.macidx); + if (!ret) + return ret; + } + + return 0; +} + +static int +cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow, + struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(dev); + int ret; + + t4_os_lock(&adap->flow_lock); + ret = __cxgbe_flow_destroy(dev, flow); + t4_os_unlock(&adap->flow_lock); + if (ret) + return rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE, + flow, "error destroying filter."); + t4_os_free(flow); + return 0; +} + +static int __cxgbe_flow_query(struct rte_flow *flow, u64 *count, + u64 *byte_count) +{ + struct adapter *adap = ethdev2adap(flow->dev); + struct ch_filter_specification fs = flow->f->fs; + unsigned int fidx = flow->fidx; + int ret = 0; + + ret = cxgbe_get_filter_count(adap, fidx, count, fs.cap, 0); + if (ret) + return ret; + return cxgbe_get_filter_count(adap, fidx, byte_count, fs.cap, 1); +} + +static int +cxgbe_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow, + const struct rte_flow_action *action, void *data, + struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(flow->dev); + struct ch_filter_specification fs; + struct rte_flow_query_count *c; + struct filter_entry *f; + int ret; + + RTE_SET_USED(dev); + + f = flow->f; + fs = f->fs; + + if (action->type != RTE_FLOW_ACTION_TYPE_COUNT) + return rte_flow_error_set(e, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ACTION, NULL, + "only count supported for query"); + + /* + * This is a valid operation, Since we are allowed to do chelsio + * specific operations in rte side of our code but not vise-versa + * + * So, fs can be queried/modified here BUT rte_flow_query_count + * cannot be worked on by the lower layer since we want to maintain + * it as rte_flow agnostic. + */ + if (!fs.hitcnts) + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, + &fs, "filter hit counters were not" + " enabled during filter creation"); + + c = (struct rte_flow_query_count *)data; + + t4_os_lock(&adap->flow_lock); + ret = __cxgbe_flow_query(flow, &c->hits, &c->bytes); + if (ret) { + rte_flow_error_set(e, -ret, RTE_FLOW_ERROR_TYPE_ACTION, + f, "cxgbe pmd failed to perform query"); + goto out; + } + + /* Query was successful */ + c->bytes_set = 1; + c->hits_set = 1; + if (c->reset) + cxgbe_clear_filter_count(adap, flow->fidx, f->fs.cap, true); + +out: + t4_os_unlock(&adap->flow_lock); + return ret; +} + +static int +cxgbe_flow_validate(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item item[], + const struct rte_flow_action action[], + struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(dev); + struct rte_flow *flow; + unsigned int fidx; + int ret = 0; + + flow = t4_os_alloc(sizeof(struct rte_flow)); + if (!flow) + return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, + "Unable to allocate memory for filter_entry"); + + flow->item_parser = parseitem; + flow->dev = dev; + + ret = cxgbe_flow_parse(flow, attr, item, action, e); + if (ret) { + t4_os_free(flow); + return ret; + } + + if (cxgbe_validate_filter(adap, &flow->fs)) { + t4_os_free(flow); + return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, + "validation failed. Check f/w config file."); + } + + t4_os_lock(&adap->flow_lock); + if (cxgbe_get_fidx(flow, &fidx)) { + ret = rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, "no memory in tcam."); + goto out; + } + + if (cxgbe_verify_fidx(flow, fidx, 0)) { + ret = rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE, + NULL, "validation failed"); + goto out; + } + +out: + t4_os_unlock(&adap->flow_lock); + t4_os_free(flow); + return ret; +} + +/* + * @ret : > 0 filter destroyed succsesfully + * < 0 error destroying filter + * == 1 filter not active / not found + */ +static int +cxgbe_check_n_destroy(struct filter_entry *f, struct rte_eth_dev *dev) +{ + if (f && (f->valid || f->pending) && + f->dev == dev && /* Only if user has asked for this port */ + f->private) /* We (rte_flow) created this filter */ + return __cxgbe_flow_destroy(dev, (struct rte_flow *)f->private); + return 1; +} + +static int cxgbe_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *e) +{ + struct adapter *adap = ethdev2adap(dev); + unsigned int i; + int ret = 0; + + t4_os_lock(&adap->flow_lock); + if (adap->tids.ftid_tab) { + struct filter_entry *f = &adap->tids.ftid_tab[0]; + + for (i = 0; i < adap->tids.nftids; i++, f++) { + ret = cxgbe_check_n_destroy(f, dev); + if (ret < 0) { + rte_flow_error_set(e, ret, + RTE_FLOW_ERROR_TYPE_HANDLE, + f->private, + "error destroying TCAM " + "filter."); + goto out; + } + } + } + + if (is_hashfilter(adap) && adap->tids.tid_tab) { + struct filter_entry *f; + + for (i = adap->tids.hash_base; i <= adap->tids.ntids; i++) { + f = (struct filter_entry *)adap->tids.tid_tab[i]; + + ret = cxgbe_check_n_destroy(f, dev); + if (ret < 0) { + rte_flow_error_set(e, ret, + RTE_FLOW_ERROR_TYPE_HANDLE, + f->private, + "error destroying HASH " + "filter."); + goto out; + } + } + } + +out: + t4_os_unlock(&adap->flow_lock); + return ret >= 0 ? 0 : ret; +} + +static const struct rte_flow_ops cxgbe_flow_ops = { + .validate = cxgbe_flow_validate, + .create = cxgbe_flow_create, + .destroy = cxgbe_flow_destroy, + .flush = cxgbe_flow_flush, + .query = cxgbe_flow_query, + .isolate = NULL, +}; + +int +cxgbe_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg) +{ + int ret = 0; + + RTE_SET_USED(dev); + switch (filter_type) { + case RTE_ETH_FILTER_GENERIC: + if (filter_op != RTE_ETH_FILTER_GET) + return -EINVAL; + *(const void **)arg = &cxgbe_flow_ops; + break; + default: + ret = -ENOTSUP; + break; + } + return ret; +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.h new file mode 100644 index 000000000..ec8e47aeb --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_flow.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ +#ifndef _CXGBE_FLOW_H_ +#define _CXGBE_FLOW_H_ + +#include <rte_flow_driver.h> +#include "cxgbe_filter.h" +#include "mps_tcam.h" +#include "cxgbe.h" + +/* Max poll time is 100 * 100msec = 10 sec */ +#define CXGBE_FLOW_POLL_MS 100 /* 100 milliseconds */ +#define CXGBE_FLOW_POLL_CNT 100 /* Max number of times to poll */ + +struct chrte_fparse { + int (*fptr)(const void *mask, /* currently supported mask */ + const struct rte_flow_item *item, /* user input */ + struct ch_filter_specification *fs, /* where to parse */ + struct rte_flow_error *e); + const void *dmask; /* Specify what is supported by chelsio by default*/ +}; + +struct rte_flow { + struct filter_entry *f; + struct ch_filter_specification fs; /* temp, to create filter */ + struct chrte_fparse *item_parser; + /* + * filter_entry doesn't store user priority. + * Post creation of filter this will indicate the + * flow index (fidx) for both hash and tcam filters + */ + unsigned int fidx; + struct rte_eth_dev *dev; +}; + +int +cxgbe_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg); + +#endif /* _CXGBE_FLOW_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_main.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_main.c new file mode 100644 index 000000000..a541d95cc --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_main.c @@ -0,0 +1,2238 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#include <sys/queue.h> +#include <stdio.h> +#include <errno.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include <stdarg.h> +#include <inttypes.h> +#include <netinet/in.h> + +#include <rte_byteorder.h> +#include <rte_common.h> +#include <rte_cycles.h> +#include <rte_interrupts.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_pci.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_memory.h> +#include <rte_tailq.h> +#include <rte_eal.h> +#include <rte_alarm.h> +#include <rte_ether.h> +#include <rte_ethdev_driver.h> +#include <rte_ethdev_pci.h> +#include <rte_random.h> +#include <rte_dev.h> +#include <rte_kvargs.h> + +#include "base/common.h" +#include "base/t4_regs.h" +#include "base/t4_msg.h" +#include "cxgbe.h" +#include "cxgbe_pfvf.h" +#include "clip_tbl.h" +#include "l2t.h" +#include "smt.h" +#include "mps_tcam.h" + +static const u16 cxgbe_filter_mode_features[] = { + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | + F_PROTOCOL | F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | + F_PROTOCOL | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS | + F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_TOS | + F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VLAN | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VNIC_ID | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VLAN | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VNIC_ID | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_VLAN | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_VNIC_ID | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_PROTOCOL | F_TOS | + F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID | + F_PORT), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_VLAN | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_VNIC_ID | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_TOS | F_VLAN | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_TOS | F_VNIC_ID | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MPSHITTYPE | F_VLAN | F_VNIC_ID | F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_ETHERTYPE | F_PROTOCOL | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_ETHERTYPE | F_TOS | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_PROTOCOL | F_VLAN | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_PROTOCOL | F_VNIC_ID | F_PORT | + F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_TOS | F_VLAN | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_MACMATCH | F_TOS | F_VNIC_ID | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_ETHERTYPE | F_VLAN | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_ETHERTYPE | F_VNIC_ID | F_PORT | F_FCOE), + (F_FRAGMENTATION | F_PROTOCOL | F_TOS | F_VLAN | F_FCOE), + (F_FRAGMENTATION | F_PROTOCOL | F_TOS | F_VNIC_ID | F_FCOE), + (F_FRAGMENTATION | F_VLAN | F_VNIC_ID | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_PROTOCOL | F_PORT | + F_FCOE), + (F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VLAN | F_PORT), + (F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VNIC_ID | F_PORT), + (F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VLAN | F_PORT), + (F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VNIC_ID | F_PORT), + (F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID | F_PORT | F_FCOE), + (F_MPSHITTYPE | F_VLAN | F_VNIC_ID | F_PORT), +}; + +/** + * Allocate a chunk of memory. The allocated memory is cleared. + */ +void *t4_alloc_mem(size_t size) +{ + return rte_zmalloc(NULL, size, 0); +} + +/** + * Free memory allocated through t4_alloc_mem(). + */ +void t4_free_mem(void *addr) +{ + rte_free(addr); +} + +/* + * Response queue handler for the FW event queue. + */ +static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp, + __rte_unused const struct pkt_gl *gl) +{ + u8 opcode = ((const struct rss_header *)rsp)->opcode; + + rsp++; /* skip RSS header */ + + /* + * FW can send EGR_UPDATEs encapsulated in a CPL_FW4_MSG. + */ + if (unlikely(opcode == CPL_FW4_MSG && + ((const struct cpl_fw4_msg *)rsp)->type == + FW_TYPE_RSSCPL)) { + rsp++; + opcode = ((const struct rss_header *)rsp)->opcode; + rsp++; + if (opcode != CPL_SGE_EGR_UPDATE) { + dev_err(q->adapter, "unexpected FW4/CPL %#x on FW event queue\n", + opcode); + goto out; + } + } + + if (likely(opcode == CPL_SGE_EGR_UPDATE)) { + /* do nothing */ + } else if (opcode == CPL_FW6_MSG || opcode == CPL_FW4_MSG) { + const struct cpl_fw6_msg *msg = (const void *)rsp; + + t4_handle_fw_rpl(q->adapter, msg->data); + } else if (opcode == CPL_ABORT_RPL_RSS) { + const struct cpl_abort_rpl_rss *p = (const void *)rsp; + + cxgbe_hash_del_filter_rpl(q->adapter, p); + } else if (opcode == CPL_SET_TCB_RPL) { + const struct cpl_set_tcb_rpl *p = (const void *)rsp; + + cxgbe_filter_rpl(q->adapter, p); + } else if (opcode == CPL_ACT_OPEN_RPL) { + const struct cpl_act_open_rpl *p = (const void *)rsp; + + cxgbe_hash_filter_rpl(q->adapter, p); + } else if (opcode == CPL_L2T_WRITE_RPL) { + const struct cpl_l2t_write_rpl *p = (const void *)rsp; + + cxgbe_do_l2t_write_rpl(q->adapter, p); + } else if (opcode == CPL_SMT_WRITE_RPL) { + const struct cpl_smt_write_rpl *p = (const void *)rsp; + + cxgbe_do_smt_write_rpl(q->adapter, p); + } else { + dev_err(adapter, "unexpected CPL %#x on FW event queue\n", + opcode); + } +out: + return 0; +} + +/** + * Setup sge control queues to pass control information. + */ +int cxgbe_setup_sge_ctrl_txq(struct adapter *adapter) +{ + struct sge *s = &adapter->sge; + int err = 0, i = 0; + + for_each_port(adapter, i) { + struct port_info *pi = adap2pinfo(adapter, i); + char name[RTE_ETH_NAME_MAX_LEN]; + struct sge_ctrl_txq *q = &s->ctrlq[i]; + + q->q.size = 1024; + err = t4_sge_alloc_ctrl_txq(adapter, q, + adapter->eth_dev, i, + s->fw_evtq.cntxt_id, + rte_socket_id()); + if (err) { + dev_err(adapter, "Failed to alloc ctrl txq. Err: %d", + err); + goto out; + } + snprintf(name, sizeof(name), "%s_ctrl_pool_%d", + pi->eth_dev->device->driver->name, + pi->eth_dev->data->port_id); + q->mb_pool = rte_pktmbuf_pool_create(name, s->ctrlq[i].q.size, + RTE_CACHE_LINE_SIZE, + RTE_MBUF_PRIV_ALIGN, + RTE_MBUF_DEFAULT_BUF_SIZE, + SOCKET_ID_ANY); + if (!q->mb_pool) { + err = -rte_errno; + dev_err(adapter, + "Can't create ctrl pool for port %d. Err: %d\n", + pi->eth_dev->data->port_id, err); + goto out; + } + } + return 0; +out: + t4_free_sge_resources(adapter); + return err; +} + +/** + * cxgbe_poll_for_completion: Poll rxq for completion + * @q: rxq to poll + * @ms: milliseconds to delay + * @cnt: number of times to poll + * @c: completion to check for 'done' status + * + * Polls the rxq for reples until completion is done or the count + * expires. + */ +int cxgbe_poll_for_completion(struct sge_rspq *q, unsigned int ms, + unsigned int cnt, struct t4_completion *c) +{ + unsigned int i; + unsigned int work_done, budget = 32; + + if (!c) + return -EINVAL; + + for (i = 0; i < cnt; i++) { + cxgbe_poll(q, NULL, budget, &work_done); + t4_os_lock(&c->lock); + if (c->done) { + t4_os_unlock(&c->lock); + return 0; + } + t4_os_unlock(&c->lock); + rte_delay_ms(ms); + } + return -ETIMEDOUT; +} + +int cxgbe_setup_sge_fwevtq(struct adapter *adapter) +{ + struct sge *s = &adapter->sge; + int err = 0; + int msi_idx = 0; + + err = t4_sge_alloc_rxq(adapter, &s->fw_evtq, true, adapter->eth_dev, + msi_idx, NULL, fwevtq_handler, -1, NULL, 0, + rte_socket_id()); + return err; +} + +static int closest_timer(const struct sge *s, int time) +{ + unsigned int i, match = 0; + int delta, min_delta = INT_MAX; + + for (i = 0; i < ARRAY_SIZE(s->timer_val); i++) { + delta = time - s->timer_val[i]; + if (delta < 0) + delta = -delta; + if (delta < min_delta) { + min_delta = delta; + match = i; + } + } + return match; +} + +static int closest_thres(const struct sge *s, int thres) +{ + unsigned int i, match = 0; + int delta, min_delta = INT_MAX; + + for (i = 0; i < ARRAY_SIZE(s->counter_val); i++) { + delta = thres - s->counter_val[i]; + if (delta < 0) + delta = -delta; + if (delta < min_delta) { + min_delta = delta; + match = i; + } + } + return match; +} + +/** + * cxgb4_set_rspq_intr_params - set a queue's interrupt holdoff parameters + * @q: the Rx queue + * @us: the hold-off time in us, or 0 to disable timer + * @cnt: the hold-off packet count, or 0 to disable counter + * + * Sets an Rx queue's interrupt hold-off time and packet count. At least + * one of the two needs to be enabled for the queue to generate interrupts. + */ +int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us, + unsigned int cnt) +{ + struct adapter *adap = q->adapter; + unsigned int timer_val; + + if (cnt) { + int err; + u32 v, new_idx; + + new_idx = closest_thres(&adap->sge, cnt); + if (q->desc && q->pktcnt_idx != new_idx) { + /* the queue has already been created, update it */ + v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DMAQ) | + V_FW_PARAMS_PARAM_X( + FW_PARAMS_PARAM_DMAQ_IQ_INTCNTTHRESH) | + V_FW_PARAMS_PARAM_YZ(q->cntxt_id); + err = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, + &v, &new_idx); + if (err) + return err; + } + q->pktcnt_idx = new_idx; + } + + timer_val = (us == 0) ? X_TIMERREG_RESTART_COUNTER : + closest_timer(&adap->sge, us); + + if ((us | cnt) == 0) + q->intr_params = V_QINTR_TIMER_IDX(X_TIMERREG_UPDATE_CIDX); + else + q->intr_params = V_QINTR_TIMER_IDX(timer_val) | + V_QINTR_CNT_EN(cnt > 0); + return 0; +} + +/** + * Allocate an active-open TID and set it to the supplied value. + */ +int cxgbe_alloc_atid(struct tid_info *t, void *data) +{ + int atid = -1; + + t4_os_lock(&t->atid_lock); + if (t->afree) { + union aopen_entry *p = t->afree; + + atid = p - t->atid_tab; + t->afree = p->next; + p->data = data; + t->atids_in_use++; + } + t4_os_unlock(&t->atid_lock); + return atid; +} + +/** + * Release an active-open TID. + */ +void cxgbe_free_atid(struct tid_info *t, unsigned int atid) +{ + union aopen_entry *p = &t->atid_tab[atid]; + + t4_os_lock(&t->atid_lock); + p->next = t->afree; + t->afree = p; + t->atids_in_use--; + t4_os_unlock(&t->atid_lock); +} + +/** + * Populate a TID_RELEASE WR. Caller must properly size the skb. + */ +static void mk_tid_release(struct rte_mbuf *mbuf, unsigned int tid) +{ + struct cpl_tid_release *req; + + req = rte_pktmbuf_mtod(mbuf, struct cpl_tid_release *); + INIT_TP_WR_MIT_CPL(req, CPL_TID_RELEASE, tid); +} + +/** + * Release a TID and inform HW. If we are unable to allocate the release + * message we defer to a work queue. + */ +void cxgbe_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid, + unsigned short family) +{ + struct rte_mbuf *mbuf; + struct adapter *adap = container_of(t, struct adapter, tids); + + WARN_ON(tid >= t->ntids); + + if (t->tid_tab[tid]) { + t->tid_tab[tid] = NULL; + rte_atomic32_dec(&t->conns_in_use); + if (t->hash_base && tid >= t->hash_base) { + if (family == FILTER_TYPE_IPV4) + rte_atomic32_dec(&t->hash_tids_in_use); + } else { + if (family == FILTER_TYPE_IPV4) + rte_atomic32_dec(&t->tids_in_use); + } + } + + mbuf = rte_pktmbuf_alloc((&adap->sge.ctrlq[chan])->mb_pool); + if (mbuf) { + mbuf->data_len = sizeof(struct cpl_tid_release); + mbuf->pkt_len = mbuf->data_len; + mk_tid_release(mbuf, tid); + t4_mgmt_tx(&adap->sge.ctrlq[chan], mbuf); + } +} + +/** + * Insert a TID. + */ +void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid, + unsigned short family) +{ + t->tid_tab[tid] = data; + if (t->hash_base && tid >= t->hash_base) { + if (family == FILTER_TYPE_IPV4) + rte_atomic32_inc(&t->hash_tids_in_use); + } else { + if (family == FILTER_TYPE_IPV4) + rte_atomic32_inc(&t->tids_in_use); + } + + rte_atomic32_inc(&t->conns_in_use); +} + +/** + * Free TID tables. + */ +static void tid_free(struct tid_info *t) +{ + if (t->tid_tab) { + if (t->ftid_bmap) + rte_bitmap_free(t->ftid_bmap); + + if (t->ftid_bmap_array) + t4_os_free(t->ftid_bmap_array); + + t4_os_free(t->tid_tab); + } + + memset(t, 0, sizeof(struct tid_info)); +} + +/** + * Allocate and initialize the TID tables. Returns 0 on success. + */ +static int tid_init(struct tid_info *t) +{ + size_t size; + unsigned int ftid_bmap_size; + unsigned int natids = t->natids; + unsigned int max_ftids = t->nftids; + + ftid_bmap_size = rte_bitmap_get_memory_footprint(t->nftids); + size = t->ntids * sizeof(*t->tid_tab) + + max_ftids * sizeof(*t->ftid_tab) + + natids * sizeof(*t->atid_tab); + + t->tid_tab = t4_os_alloc(size); + if (!t->tid_tab) + return -ENOMEM; + + t->atid_tab = (union aopen_entry *)&t->tid_tab[t->ntids]; + t->ftid_tab = (struct filter_entry *)&t->atid_tab[t->natids]; + t->ftid_bmap_array = t4_os_alloc(ftid_bmap_size); + if (!t->ftid_bmap_array) { + tid_free(t); + return -ENOMEM; + } + + t4_os_lock_init(&t->atid_lock); + t4_os_lock_init(&t->ftid_lock); + + t->afree = NULL; + t->atids_in_use = 0; + rte_atomic32_init(&t->tids_in_use); + rte_atomic32_set(&t->tids_in_use, 0); + rte_atomic32_init(&t->conns_in_use); + rte_atomic32_set(&t->conns_in_use, 0); + + /* Setup the free list for atid_tab and clear the stid bitmap. */ + if (natids) { + while (--natids) + t->atid_tab[natids - 1].next = &t->atid_tab[natids]; + t->afree = t->atid_tab; + } + + t->ftid_bmap = rte_bitmap_init(t->nftids, t->ftid_bmap_array, + ftid_bmap_size); + if (!t->ftid_bmap) { + tid_free(t); + return -ENOMEM; + } + + return 0; +} + +static inline bool is_x_1g_port(const struct link_config *lc) +{ + return (lc->pcaps & FW_PORT_CAP32_SPEED_1G) != 0; +} + +static inline bool is_x_10g_port(const struct link_config *lc) +{ + unsigned int speeds, high_speeds; + + speeds = V_FW_PORT_CAP32_SPEED(G_FW_PORT_CAP32_SPEED(lc->pcaps)); + high_speeds = speeds & + ~(FW_PORT_CAP32_SPEED_100M | FW_PORT_CAP32_SPEED_1G); + + return high_speeds != 0; +} + +static inline void init_rspq(struct adapter *adap, struct sge_rspq *q, + unsigned int us, unsigned int cnt, + unsigned int size, unsigned int iqe_size) +{ + q->adapter = adap; + cxgb4_set_rspq_intr_params(q, us, cnt); + q->iqe_len = iqe_size; + q->size = size; +} + +int cxgbe_cfg_queue_count(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + struct sge *s = &adap->sge; + unsigned int max_queues = s->max_ethqsets / adap->params.nports; + + if ((eth_dev->data->nb_rx_queues < 1) || + (eth_dev->data->nb_tx_queues < 1)) + return -EINVAL; + + if ((eth_dev->data->nb_rx_queues > max_queues) || + (eth_dev->data->nb_tx_queues > max_queues)) + return -EINVAL; + + if (eth_dev->data->nb_rx_queues > pi->rss_size) + return -EINVAL; + + /* We must configure RSS, since config has changed*/ + pi->flags &= ~PORT_RSS_DONE; + + pi->n_rx_qsets = eth_dev->data->nb_rx_queues; + pi->n_tx_qsets = eth_dev->data->nb_tx_queues; + + return 0; +} + +void cxgbe_cfg_queues(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + struct sge *s = &adap->sge; + unsigned int i, nb_ports = 0, qidx = 0; + unsigned int q_per_port = 0; + + if (!(adap->flags & CFG_QUEUES)) { + for_each_port(adap, i) { + struct port_info *tpi = adap2pinfo(adap, i); + + nb_ports += (is_x_10g_port(&tpi->link_cfg)) || + is_x_1g_port(&tpi->link_cfg) ? 1 : 0; + } + + /* + * We default up to # of cores queues per 1G/10G port. + */ + if (nb_ports) + q_per_port = (s->max_ethqsets - + (adap->params.nports - nb_ports)) / + nb_ports; + + if (q_per_port > rte_lcore_count()) + q_per_port = rte_lcore_count(); + + for_each_port(adap, i) { + struct port_info *pi = adap2pinfo(adap, i); + + pi->first_qset = qidx; + + /* Initially n_rx_qsets == n_tx_qsets */ + pi->n_rx_qsets = (is_x_10g_port(&pi->link_cfg) || + is_x_1g_port(&pi->link_cfg)) ? + q_per_port : 1; + pi->n_tx_qsets = pi->n_rx_qsets; + + if (pi->n_rx_qsets > pi->rss_size) + pi->n_rx_qsets = pi->rss_size; + + qidx += pi->n_rx_qsets; + } + + for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) { + struct sge_eth_rxq *r = &s->ethrxq[i]; + + init_rspq(adap, &r->rspq, 5, 32, 1024, 64); + r->usembufs = 1; + r->fl.size = (r->usembufs ? 1024 : 72); + } + + for (i = 0; i < ARRAY_SIZE(s->ethtxq); i++) + s->ethtxq[i].q.size = 1024; + + init_rspq(adap, &adap->sge.fw_evtq, 0, 0, 1024, 64); + adap->flags |= CFG_QUEUES; + } +} + +void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats) +{ + t4_get_port_stats_offset(pi->adapter, pi->tx_chan, stats, + &pi->stats_base); +} + +void cxgbe_stats_reset(struct port_info *pi) +{ + t4_clr_port_stats(pi->adapter, pi->tx_chan); +} + +static void setup_memwin(struct adapter *adap) +{ + u32 mem_win0_base; + + /* For T5, only relative offset inside the PCIe BAR is passed */ + mem_win0_base = MEMWIN0_BASE; + + /* + * Set up memory window for accessing adapter memory ranges. (Read + * back MA register to ensure that changes propagate before we attempt + * to use the new values.) + */ + t4_write_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, + MEMWIN_NIC), + mem_win0_base | V_BIR(0) | + V_WINDOW(ilog2(MEMWIN0_APERTURE) - X_WINDOW_SHIFT)); + t4_read_reg(adap, + PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, + MEMWIN_NIC)); +} + +int cxgbe_init_rss(struct adapter *adap) +{ + unsigned int i; + + if (is_pf4(adap)) { + int err; + + err = t4_init_rss_mode(adap, adap->mbox); + if (err) + return err; + } + + for_each_port(adap, i) { + struct port_info *pi = adap2pinfo(adap, i); + + pi->rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0); + if (!pi->rss) + return -ENOMEM; + + pi->rss_hf = CXGBE_RSS_HF_ALL; + } + return 0; +} + +/** + * Dump basic information about the adapter. + */ +void cxgbe_print_adapter_info(struct adapter *adap) +{ + /** + * Hardware/Firmware/etc. Version/Revision IDs. + */ + t4_dump_version_info(adap); +} + +void cxgbe_print_port_info(struct adapter *adap) +{ + int i; + char buf[80]; + struct rte_pci_addr *loc = &adap->pdev->addr; + + for_each_port(adap, i) { + const struct port_info *pi = adap2pinfo(adap, i); + char *bufp = buf; + + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100M) + bufp += sprintf(bufp, "100M/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_1G) + bufp += sprintf(bufp, "1G/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_10G) + bufp += sprintf(bufp, "10G/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_25G) + bufp += sprintf(bufp, "25G/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_40G) + bufp += sprintf(bufp, "40G/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_50G) + bufp += sprintf(bufp, "50G/"); + if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100G) + bufp += sprintf(bufp, "100G/"); + if (bufp != buf) + --bufp; + sprintf(bufp, "BASE-%s", + t4_get_port_type_description( + (enum fw_port_type)pi->port_type)); + + dev_info(adap, + " " PCI_PRI_FMT " Chelsio rev %d %s %s\n", + loc->domain, loc->bus, loc->devid, loc->function, + CHELSIO_CHIP_RELEASE(adap->params.chip), buf, + (adap->flags & USING_MSIX) ? " MSI-X" : + (adap->flags & USING_MSI) ? " MSI" : ""); + } +} + +static int check_devargs_handler(const char *key, const char *value, void *p) +{ + if (!strncmp(key, CXGBE_DEVARG_CMN_KEEP_OVLAN, strlen(key)) || + !strncmp(key, CXGBE_DEVARG_CMN_TX_MODE_LATENCY, strlen(key)) || + !strncmp(key, CXGBE_DEVARG_VF_FORCE_LINK_UP, strlen(key))) { + if (!strncmp(value, "1", 1)) { + bool *dst_val = (bool *)p; + + *dst_val = true; + } + } + + if (!strncmp(key, CXGBE_DEVARG_PF_FILTER_MODE, strlen(key)) || + !strncmp(key, CXGBE_DEVARG_PF_FILTER_MASK, strlen(key))) { + u32 *dst_val = (u32 *)p; + char *endptr = NULL; + u32 arg_val; + + arg_val = strtoul(value, &endptr, 16); + if (errno || endptr == value) + return -EINVAL; + + *dst_val = arg_val; + } + + return 0; +} + +static int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key, + void *p) +{ + struct rte_kvargs *kvlist; + int ret = 0; + + if (!devargs) + return 0; + + kvlist = rte_kvargs_parse(devargs->args, NULL); + if (!kvlist) + return 0; + + if (!rte_kvargs_count(kvlist, key)) + goto out; + + ret = rte_kvargs_process(kvlist, key, check_devargs_handler, p); + +out: + rte_kvargs_free(kvlist); + + return ret; +} + +static void cxgbe_get_devargs_int(struct adapter *adap, bool *dst, + const char *key, bool default_value) +{ + struct rte_pci_device *pdev = adap->pdev; + int ret; + bool devarg_value = default_value; + + *dst = default_value; + if (!pdev) + return; + + ret = cxgbe_get_devargs(pdev->device.devargs, key, &devarg_value); + if (ret) + return; + + *dst = devarg_value; +} + +static void cxgbe_get_devargs_u32(struct adapter *adap, u32 *dst, + const char *key, u32 default_value) +{ + struct rte_pci_device *pdev = adap->pdev; + u32 devarg_value = default_value; + int ret; + + *dst = default_value; + if (!pdev) + return; + + ret = cxgbe_get_devargs(pdev->device.devargs, key, &devarg_value); + if (ret) + return; + + *dst = devarg_value; +} + +void cxgbe_process_devargs(struct adapter *adap) +{ + cxgbe_get_devargs_int(adap, &adap->devargs.keep_ovlan, + CXGBE_DEVARG_CMN_KEEP_OVLAN, false); + cxgbe_get_devargs_int(adap, &adap->devargs.tx_mode_latency, + CXGBE_DEVARG_CMN_TX_MODE_LATENCY, false); + cxgbe_get_devargs_int(adap, &adap->devargs.force_link_up, + CXGBE_DEVARG_VF_FORCE_LINK_UP, false); + cxgbe_get_devargs_u32(adap, &adap->devargs.filtermode, + CXGBE_DEVARG_PF_FILTER_MODE, 0); + cxgbe_get_devargs_u32(adap, &adap->devargs.filtermask, + CXGBE_DEVARG_PF_FILTER_MASK, 0); +} + +static void configure_vlan_types(struct adapter *adapter) +{ + int i; + + for_each_port(adapter, i) { + /* OVLAN Type 0x88a8 */ + t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN0), + V_OVLAN_MASK(M_OVLAN_MASK) | + V_OVLAN_ETYPE(M_OVLAN_ETYPE), + V_OVLAN_MASK(M_OVLAN_MASK) | + V_OVLAN_ETYPE(0x88a8)); + /* OVLAN Type 0x9100 */ + t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN1), + V_OVLAN_MASK(M_OVLAN_MASK) | + V_OVLAN_ETYPE(M_OVLAN_ETYPE), + V_OVLAN_MASK(M_OVLAN_MASK) | + V_OVLAN_ETYPE(0x9100)); + + /* IVLAN 0X8100 */ + t4_set_reg_field(adapter, MPS_PORT_RX_IVLAN(i), + V_IVLAN_ETYPE(M_IVLAN_ETYPE), + V_IVLAN_ETYPE(0x8100)); + + t4_set_reg_field(adapter, MPS_PORT_RX_CTL(i), + F_OVLAN_EN0 | F_OVLAN_EN1 | + F_IVLAN_EN, + F_OVLAN_EN0 | F_OVLAN_EN1 | + F_IVLAN_EN); + } + + t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG, V_RM_OVLAN(1), + V_RM_OVLAN(!adapter->devargs.keep_ovlan)); +} + +static int cxgbe_get_filter_vnic_mode_from_devargs(u32 val) +{ + u32 vnic_mode; + + vnic_mode = val & (CXGBE_DEVARGS_FILTER_MODE_PF_VF | + CXGBE_DEVARGS_FILTER_MODE_VLAN_OUTER); + if (vnic_mode) { + switch (vnic_mode) { + case CXGBE_DEVARGS_FILTER_MODE_VLAN_OUTER: + return CXGBE_FILTER_VNIC_MODE_OVLAN; + case CXGBE_DEVARGS_FILTER_MODE_PF_VF: + return CXGBE_FILTER_VNIC_MODE_PFVF; + default: + return -EINVAL; + } + } + + return CXGBE_FILTER_VNIC_MODE_NONE; +} + +static int cxgbe_get_filter_mode_from_devargs(u32 val, bool closest_match) +{ + int vnic_mode, fmode = 0; + bool found = false; + u8 i; + + if (val >= CXGBE_DEVARGS_FILTER_MODE_MAX) { + pr_err("Unsupported flags set in filter mode. Must be < 0x%x\n", + CXGBE_DEVARGS_FILTER_MODE_MAX); + return -ERANGE; + } + + vnic_mode = cxgbe_get_filter_vnic_mode_from_devargs(val); + if (vnic_mode < 0) { + pr_err("Unsupported Vnic-mode, more than 1 Vnic-mode selected\n"); + return vnic_mode; + } + + if (vnic_mode) + fmode |= F_VNIC_ID; + if (val & CXGBE_DEVARGS_FILTER_MODE_PHYSICAL_PORT) + fmode |= F_PORT; + if (val & CXGBE_DEVARGS_FILTER_MODE_ETHERNET_DSTMAC) + fmode |= F_MACMATCH; + if (val & CXGBE_DEVARGS_FILTER_MODE_ETHERNET_ETHTYPE) + fmode |= F_ETHERTYPE; + if (val & CXGBE_DEVARGS_FILTER_MODE_VLAN_INNER) + fmode |= F_VLAN; + if (val & CXGBE_DEVARGS_FILTER_MODE_IP_TOS) + fmode |= F_TOS; + if (val & CXGBE_DEVARGS_FILTER_MODE_IP_PROTOCOL) + fmode |= F_PROTOCOL; + + for (i = 0; i < ARRAY_SIZE(cxgbe_filter_mode_features); i++) { + if ((cxgbe_filter_mode_features[i] & fmode) == fmode) { + found = true; + break; + } + } + + if (!found) + return -EINVAL; + + return closest_match ? cxgbe_filter_mode_features[i] : fmode; +} + +static int configure_filter_mode_mask(struct adapter *adap) +{ + u32 params[2], val[2], nparams = 0; + int ret; + + if (!adap->devargs.filtermode && !adap->devargs.filtermask) + return 0; + + if (!adap->devargs.filtermode || !adap->devargs.filtermask) { + pr_err("Unsupported, Provide both filtermode and filtermask devargs\n"); + return -EINVAL; + } + + if (adap->devargs.filtermask & ~adap->devargs.filtermode) { + pr_err("Unsupported, filtermask (0x%x) must be subset of filtermode (0x%x)\n", + adap->devargs.filtermask, adap->devargs.filtermode); + + return -EINVAL; + } + + params[0] = CXGBE_FW_PARAM_DEV(FILTER) | + V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_MODE_MASK); + + ret = cxgbe_get_filter_mode_from_devargs(adap->devargs.filtermode, + true); + if (ret < 0) { + pr_err("Unsupported filtermode devargs combination:0x%x\n", + adap->devargs.filtermode); + return ret; + } + + val[0] = V_FW_PARAMS_PARAM_FILTER_MODE(ret); + + ret = cxgbe_get_filter_mode_from_devargs(adap->devargs.filtermask, + false); + if (ret < 0) { + pr_err("Unsupported filtermask devargs combination:0x%x\n", + adap->devargs.filtermask); + return ret; + } + + val[0] |= V_FW_PARAMS_PARAM_FILTER_MASK(ret); + + nparams++; + + ret = cxgbe_get_filter_vnic_mode_from_devargs(adap->devargs.filtermode); + if (ret < 0) + return ret; + + if (ret) { + params[1] = CXGBE_FW_PARAM_DEV(FILTER) | + V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_VNIC_MODE); + + val[1] = ret - 1; + + nparams++; + } + + return t4_set_params(adap, adap->mbox, adap->pf, 0, nparams, + params, val); +} + +static void configure_pcie_ext_tag(struct adapter *adapter) +{ + u16 v; + int pos = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP); + + if (!pos) + return; + + if (pos > 0) { + t4_os_pci_read_cfg2(adapter, pos + PCI_EXP_DEVCTL, &v); + v |= PCI_EXP_DEVCTL_EXT_TAG; + t4_os_pci_write_cfg2(adapter, pos + PCI_EXP_DEVCTL, v); + if (is_t6(adapter->params.chip)) { + t4_set_reg_field(adapter, A_PCIE_CFG2, + V_T6_TOTMAXTAG(M_T6_TOTMAXTAG), + V_T6_TOTMAXTAG(7)); + t4_set_reg_field(adapter, A_PCIE_CMD_CFG, + V_T6_MINTAG(M_T6_MINTAG), + V_T6_MINTAG(8)); + } else { + t4_set_reg_field(adapter, A_PCIE_CFG2, + V_TOTMAXTAG(M_TOTMAXTAG), + V_TOTMAXTAG(3)); + t4_set_reg_field(adapter, A_PCIE_CMD_CFG, + V_MINTAG(M_MINTAG), + V_MINTAG(8)); + } + } +} + +/* Figure out how many Queue Sets we can support */ +void cxgbe_configure_max_ethqsets(struct adapter *adapter) +{ + unsigned int ethqsets; + + /* + * We need to reserve an Ingress Queue for the Asynchronous Firmware + * Event Queue. + * + * For each Queue Set, we'll need the ability to allocate two Egress + * Contexts -- one for the Ingress Queue Free List and one for the TX + * Ethernet Queue. + */ + if (is_pf4(adapter)) { + struct pf_resources *pfres = &adapter->params.pfres; + + ethqsets = pfres->niqflint - 1; + if (pfres->neq < ethqsets * 2) + ethqsets = pfres->neq / 2; + } else { + struct vf_resources *vfres = &adapter->params.vfres; + + ethqsets = vfres->niqflint - 1; + if (vfres->nethctrl != ethqsets) + ethqsets = min(vfres->nethctrl, ethqsets); + if (vfres->neq < ethqsets * 2) + ethqsets = vfres->neq / 2; + } + + if (ethqsets > MAX_ETH_QSETS) + ethqsets = MAX_ETH_QSETS; + adapter->sge.max_ethqsets = ethqsets; +} + +/* + * Tweak configuration based on system architecture, etc. Most of these have + * defaults assigned to them by Firmware Configuration Files (if we're using + * them) but need to be explicitly set if we're using hard-coded + * initialization. So these are essentially common tweaks/settings for + * Configuration Files and hard-coded initialization ... + */ +static int adap_init0_tweaks(struct adapter *adapter) +{ + u8 rx_dma_offset; + + /* + * Fix up various Host-Dependent Parameters like Page Size, Cache + * Line Size, etc. The firmware default is for a 4KB Page Size and + * 64B Cache Line Size ... + */ + t4_fixup_host_params_compat(adapter, CXGBE_PAGE_SIZE, L1_CACHE_BYTES, + T5_LAST_REV); + + /* + * Keep the chip default offset to deliver Ingress packets into our + * DMA buffers to zero + */ + rx_dma_offset = 0; + t4_set_reg_field(adapter, A_SGE_CONTROL, V_PKTSHIFT(M_PKTSHIFT), + V_PKTSHIFT(rx_dma_offset)); + + t4_set_reg_field(adapter, A_SGE_FLM_CFG, + V_CREDITCNT(M_CREDITCNT) | M_CREDITCNTPACKING, + V_CREDITCNT(3) | V_CREDITCNTPACKING(1)); + + t4_set_reg_field(adapter, A_SGE_INGRESS_RX_THRESHOLD, + V_THRESHOLD_3(M_THRESHOLD_3), V_THRESHOLD_3(32U)); + + t4_set_reg_field(adapter, A_SGE_CONTROL2, V_IDMAARBROUNDROBIN(1U), + V_IDMAARBROUNDROBIN(1U)); + + /* + * Don't include the "IP Pseudo Header" in CPL_RX_PKT checksums: Linux + * adds the pseudo header itself. + */ + t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG, + F_CSUM_HAS_PSEUDO_HDR, 0); + + return 0; +} + +/* + * Attempt to initialize the adapter via a Firmware Configuration File. + */ +static int adap_init0_config(struct adapter *adapter, int reset) +{ + struct fw_caps_config_cmd caps_cmd; + unsigned long mtype = 0, maddr = 0; + u32 finiver, finicsum, cfcsum; + int ret; + int config_issued = 0; + int cfg_addr; + char config_name[20]; + + /* + * Reset device if necessary. + */ + if (reset) { + ret = t4_fw_reset(adapter, adapter->mbox, + F_PIORSTMODE | F_PIORST); + if (ret < 0) { + dev_warn(adapter, "Firmware reset failed, error %d\n", + -ret); + goto bye; + } + } + + cfg_addr = t4_flash_cfg_addr(adapter); + if (cfg_addr < 0) { + ret = cfg_addr; + dev_warn(adapter, "Finding address for firmware config file in flash failed, error %d\n", + -ret); + goto bye; + } + + strcpy(config_name, "On Flash"); + mtype = FW_MEMTYPE_CF_FLASH; + maddr = cfg_addr; + + /* + * Issue a Capability Configuration command to the firmware to get it + * to parse the Configuration File. We don't use t4_fw_config_file() + * because we want the ability to modify various features after we've + * processed the configuration file ... + */ + memset(&caps_cmd, 0, sizeof(caps_cmd)); + caps_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ); + caps_cmd.cfvalid_to_len16 = + cpu_to_be32(F_FW_CAPS_CONFIG_CMD_CFVALID | + V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) | + V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(maddr >> 16) | + FW_LEN16(caps_cmd)); + ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), + &caps_cmd); + /* + * If the CAPS_CONFIG failed with an ENOENT (for a Firmware + * Configuration File in FLASH), our last gasp effort is to use the + * Firmware Configuration File which is embedded in the firmware. A + * very few early versions of the firmware didn't have one embedded + * but we can ignore those. + */ + if (ret == -ENOENT) { + dev_info(adapter, "%s: Going for embedded config in firmware..\n", + __func__); + + memset(&caps_cmd, 0, sizeof(caps_cmd)); + caps_cmd.op_to_write = + cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ); + caps_cmd.cfvalid_to_len16 = cpu_to_be32(FW_LEN16(caps_cmd)); + ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, + sizeof(caps_cmd), &caps_cmd); + strcpy(config_name, "Firmware Default"); + } + + config_issued = 1; + if (ret < 0) + goto bye; + + finiver = be32_to_cpu(caps_cmd.finiver); + finicsum = be32_to_cpu(caps_cmd.finicsum); + cfcsum = be32_to_cpu(caps_cmd.cfcsum); + if (finicsum != cfcsum) + dev_warn(adapter, "Configuration File checksum mismatch: [fini] csum=%#x, computed csum=%#x\n", + finicsum, cfcsum); + + /* + * If we're a pure NIC driver then disable all offloading facilities. + * This will allow the firmware to optimize aspects of the hardware + * configuration which will result in improved performance. + */ + caps_cmd.niccaps &= cpu_to_be16(~FW_CAPS_CONFIG_NIC_ETHOFLD); + caps_cmd.toecaps = 0; + caps_cmd.iscsicaps = 0; + caps_cmd.rdmacaps = 0; + caps_cmd.fcoecaps = 0; + + /* + * And now tell the firmware to use the configuration we just loaded. + */ + caps_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_WRITE); + caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); + ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), + NULL); + if (ret < 0) { + dev_warn(adapter, "Unable to finalize Firmware Capabilities %d\n", + -ret); + goto bye; + } + + /* + * Tweak configuration based on system architecture, etc. + */ + ret = adap_init0_tweaks(adapter); + if (ret < 0) { + dev_warn(adapter, "Unable to do init0-tweaks %d\n", -ret); + goto bye; + } + + /* + * And finally tell the firmware to initialize itself using the + * parameters from the Configuration File. + */ + ret = t4_fw_initialize(adapter, adapter->mbox); + if (ret < 0) { + dev_warn(adapter, "Initializing Firmware failed, error %d\n", + -ret); + goto bye; + } + + /* + * Return successfully and note that we're operating with parameters + * not supplied by the driver, rather than from hard-wired + * initialization constants buried in the driver. + */ + dev_info(adapter, + "Successfully configured using Firmware Configuration File \"%s\", version %#x, computed checksum %#x\n", + config_name, finiver, cfcsum); + + return 0; + + /* + * Something bad happened. Return the error ... (If the "error" + * is that there's no Configuration File on the adapter we don't + * want to issue a warning since this is fairly common.) + */ +bye: + if (config_issued && ret != -ENOENT) + dev_warn(adapter, "\"%s\" configuration file error %d\n", + config_name, -ret); + + dev_debug(adapter, "%s: returning ret = %d ..\n", __func__, ret); + return ret; +} + +static int adap_init0(struct adapter *adap) +{ + struct fw_caps_config_cmd caps_cmd; + int ret = 0; + u32 v, port_vec; + enum dev_state state; + u32 params[7], val[7]; + int reset = 1; + int mbox = adap->mbox; + + /* + * Contact FW, advertising Master capability. + */ + ret = t4_fw_hello(adap, adap->mbox, adap->mbox, MASTER_MAY, &state); + if (ret < 0) { + dev_err(adap, "%s: could not connect to FW, error %d\n", + __func__, -ret); + goto bye; + } + + CXGBE_DEBUG_MBOX(adap, "%s: adap->mbox = %d; ret = %d\n", __func__, + adap->mbox, ret); + + if (ret == mbox) + adap->flags |= MASTER_PF; + + if (state == DEV_STATE_INIT) { + /* + * Force halt and reset FW because a previous instance may have + * exited abnormally without properly shutting down + */ + ret = t4_fw_halt(adap, adap->mbox, reset); + if (ret < 0) { + dev_err(adap, "Failed to halt. Exit.\n"); + goto bye; + } + + ret = t4_fw_restart(adap, adap->mbox, reset); + if (ret < 0) { + dev_err(adap, "Failed to restart. Exit.\n"); + goto bye; + } + state = (enum dev_state)((unsigned)state & ~DEV_STATE_INIT); + } + + t4_get_version_info(adap); + + ret = t4_get_core_clock(adap, &adap->params.vpd); + if (ret < 0) { + dev_err(adap, "%s: could not get core clock, error %d\n", + __func__, -ret); + goto bye; + } + + /* + * If the firmware is initialized already (and we're not forcing a + * master initialization), note that we're living with existing + * adapter parameters. Otherwise, it's time to try initializing the + * adapter ... + */ + if (state == DEV_STATE_INIT) { + dev_info(adap, "Coming up as %s: Adapter already initialized\n", + adap->flags & MASTER_PF ? "MASTER" : "SLAVE"); + } else { + dev_info(adap, "Coming up as MASTER: Initializing adapter\n"); + + ret = adap_init0_config(adap, reset); + if (ret == -ENOENT) { + dev_err(adap, + "No Configuration File present on adapter. Using hard-wired configuration parameters.\n"); + goto bye; + } + } + if (ret < 0) { + dev_err(adap, "could not initialize adapter, error %d\n", -ret); + goto bye; + } + + /* Now that we've successfully configured and initialized the adapter + * (or found it already initialized), we can ask the Firmware what + * resources it has provisioned for us. + */ + ret = t4_get_pfres(adap); + if (ret) { + dev_err(adap->pdev_dev, + "Unable to retrieve resource provisioning info\n"); + goto bye; + } + + /* Find out what ports are available to us. */ + v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &v, &port_vec); + if (ret < 0) { + dev_err(adap, "%s: failure in t4_query_params; error = %d\n", + __func__, ret); + goto bye; + } + + adap->params.nports = hweight32(port_vec); + adap->params.portvec = port_vec; + + dev_debug(adap, "%s: adap->params.nports = %u\n", __func__, + adap->params.nports); + + /* + * Give the SGE code a chance to pull in anything that it needs ... + * Note that this must be called after we retrieve our VPD parameters + * in order to know how to convert core ticks to seconds, etc. + */ + ret = t4_sge_init(adap); + if (ret < 0) { + dev_err(adap, "t4_sge_init failed with error %d\n", + -ret); + goto bye; + } + + /* + * Grab some of our basic fundamental operating parameters. + */ + params[0] = CXGBE_FW_PARAM_PFVF(L2T_START); + params[1] = CXGBE_FW_PARAM_PFVF(L2T_END); + params[2] = CXGBE_FW_PARAM_PFVF(FILTER_START); + params[3] = CXGBE_FW_PARAM_PFVF(FILTER_END); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 4, params, val); + if (ret < 0) + goto bye; + adap->l2t_start = val[0]; + adap->l2t_end = val[1]; + adap->tids.ftid_base = val[2]; + adap->tids.nftids = val[3] - val[2] + 1; + + params[0] = CXGBE_FW_PARAM_PFVF(CLIP_START); + params[1] = CXGBE_FW_PARAM_PFVF(CLIP_END); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, params, val); + if (ret < 0) + goto bye; + adap->clipt_start = val[0]; + adap->clipt_end = val[1]; + + /* + * Get device capabilities so we can determine what resources we need + * to manage. + */ + memset(&caps_cmd, 0, sizeof(caps_cmd)); + caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ); + caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); + ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd), + &caps_cmd); + if (ret < 0) + goto bye; + + if ((caps_cmd.niccaps & cpu_to_be16(FW_CAPS_CONFIG_NIC_HASHFILTER)) && + is_t6(adap->params.chip)) { + if (cxgbe_init_hash_filter(adap) < 0) + goto bye; + } + + /* See if FW supports FW_FILTER2 work request */ + if (is_t4(adap->params.chip)) { + adap->params.filter2_wr_support = 0; + } else { + params[0] = CXGBE_FW_PARAM_DEV(FILTER2_WR); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, + 1, params, val); + adap->params.filter2_wr_support = (ret == 0 && val[0] != 0); + } + + /* Check if FW supports returning vin. + * If this is not supported, driver will interpret + * these values from viid. + */ + params[0] = CXGBE_FW_PARAM_DEV(OPAQUE_VIID_SMT_EXTN); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, + 1, params, val); + adap->params.viid_smt_extn_support = (ret == 0 && val[0] != 0); + + /* query tid-related parameters */ + params[0] = CXGBE_FW_PARAM_DEV(NTID); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, + params, val); + if (ret < 0) + goto bye; + adap->tids.ntids = val[0]; + adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS); + + /* If we're running on newer firmware, let it know that we're + * prepared to deal with encapsulated CPL messages. Older + * firmware won't understand this and we'll just get + * unencapsulated messages ... + */ + params[0] = CXGBE_FW_PARAM_PFVF(CPLFW4MSG_ENCAP); + val[0] = 1; + (void)t4_set_params(adap, adap->mbox, adap->pf, 0, 1, params, val); + + /* + * Find out whether we're allowed to use the T5+ ULPTX MEMWRITE DSGL + * capability. Earlier versions of the firmware didn't have the + * ULPTX_MEMWRITE_DSGL so we'll interpret a query failure as no + * permission to use ULPTX MEMWRITE DSGL. + */ + if (is_t4(adap->params.chip)) { + adap->params.ulptx_memwrite_dsgl = false; + } else { + params[0] = CXGBE_FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, + 1, params, val); + adap->params.ulptx_memwrite_dsgl = (ret == 0 && val[0] != 0); + } + + /* Query for max number of packets that can be coalesced for Tx */ + params[0] = CXGBE_FW_PARAM_PFVF(MAX_PKTS_PER_ETH_TX_PKTS_WR); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params, val); + if (!ret && val[0] > 0) + adap->params.max_tx_coalesce_num = val[0]; + else + adap->params.max_tx_coalesce_num = ETH_COALESCE_PKT_NUM; + + /* + * The MTU/MSS Table is initialized by now, so load their values. If + * we're initializing the adapter, then we'll make any modifications + * we want to the MTU/MSS Table and also initialize the congestion + * parameters. + */ + t4_read_mtu_tbl(adap, adap->params.mtus, NULL); + if (state != DEV_STATE_INIT) { + int i; + + /* + * The default MTU Table contains values 1492 and 1500. + * However, for TCP, it's better to have two values which are + * a multiple of 8 +/- 4 bytes apart near this popular MTU. + * This allows us to have a TCP Data Payload which is a + * multiple of 8 regardless of what combination of TCP Options + * are in use (always a multiple of 4 bytes) which is + * important for performance reasons. For instance, if no + * options are in use, then we have a 20-byte IP header and a + * 20-byte TCP header. In this case, a 1500-byte MSS would + * result in a TCP Data Payload of 1500 - 40 == 1460 bytes + * which is not a multiple of 8. So using an MSS of 1488 in + * this case results in a TCP Data Payload of 1448 bytes which + * is a multiple of 8. On the other hand, if 12-byte TCP Time + * Stamps have been negotiated, then an MTU of 1500 bytes + * results in a TCP Data Payload of 1448 bytes which, as + * above, is a multiple of 8 bytes ... + */ + for (i = 0; i < NMTUS; i++) + if (adap->params.mtus[i] == 1492) { + adap->params.mtus[i] = 1488; + break; + } + + t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd, + adap->params.b_wnd); + } + t4_init_sge_params(adap); + ret = configure_filter_mode_mask(adap); + if (ret < 0) + goto bye; + t4_init_tp_params(adap); + configure_pcie_ext_tag(adap); + configure_vlan_types(adap); + cxgbe_configure_max_ethqsets(adap); + + adap->params.drv_memwin = MEMWIN_NIC; + adap->flags |= FW_OK; + dev_debug(adap, "%s: returning zero..\n", __func__); + return 0; + + /* + * Something bad happened. If a command timed out or failed with EIO + * FW does not operate within its spec or something catastrophic + * happened to HW/FW, stop issuing commands. + */ +bye: + if (ret != -ETIMEDOUT && ret != -EIO) + t4_fw_bye(adap, adap->mbox); + return ret; +} + +/** + * t4_os_portmod_changed - handle port module changes + * @adap: the adapter associated with the module change + * @port_id: the port index whose module status has changed + * + * This is the OS-dependent handler for port module changes. It is + * invoked when a port module is removed or inserted for any OS-specific + * processing. + */ +void t4_os_portmod_changed(const struct adapter *adap, int port_id) +{ + static const char * const mod_str[] = { + NULL, "LR", "SR", "ER", "passive DA", "active DA", "LRM" + }; + + const struct port_info *pi = adap2pinfo(adap, port_id); + + if (pi->mod_type == FW_PORT_MOD_TYPE_NONE) + dev_info(adap, "Port%d: port module unplugged\n", pi->port_id); + else if (pi->mod_type < ARRAY_SIZE(mod_str)) + dev_info(adap, "Port%d: %s port module inserted\n", pi->port_id, + mod_str[pi->mod_type]); + else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED) + dev_info(adap, "Port%d: unsupported port module inserted\n", + pi->port_id); + else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN) + dev_info(adap, "Port%d: unknown port module inserted\n", + pi->port_id); + else if (pi->mod_type == FW_PORT_MOD_TYPE_ERROR) + dev_info(adap, "Port%d: transceiver module error\n", + pi->port_id); + else + dev_info(adap, "Port%d: unknown module type %d inserted\n", + pi->port_id, pi->mod_type); +} + +bool cxgbe_force_linkup(struct adapter *adap) +{ + if (is_pf4(adap)) + return false; /* force_linkup not required for pf driver */ + + return adap->devargs.force_link_up; +} + +/** + * link_start - enable a port + * @dev: the port to enable + * + * Performs the MAC and PHY actions needed to enable a port. + */ +int cxgbe_link_start(struct port_info *pi) +{ + struct adapter *adapter = pi->adapter; + u64 conf_offloads; + unsigned int mtu; + int ret; + + mtu = pi->eth_dev->data->dev_conf.rxmode.max_rx_pkt_len - + (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN); + + conf_offloads = pi->eth_dev->data->dev_conf.rxmode.offloads; + + /* + * We do not set address filters and promiscuity here, the stack does + * that step explicitly. + */ + ret = t4_set_rxmode(adapter, adapter->mbox, pi->viid, mtu, -1, -1, -1, + !!(conf_offloads & DEV_RX_OFFLOAD_VLAN_STRIP), + true); + if (ret == 0) { + ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, + (u8 *)&pi->eth_dev->data->mac_addrs[0]); + if (ret >= 0) { + pi->xact_addr_filt = ret; + ret = 0; + } + } + if (ret == 0 && is_pf4(adapter)) + ret = t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan, + &pi->link_cfg); + if (ret == 0) { + /* + * Enabling a Virtual Interface can result in an interrupt + * during the processing of the VI Enable command and, in some + * paths, result in an attempt to issue another command in the + * interrupt context. Thus, we disable interrupts during the + * course of the VI Enable command ... + */ + ret = t4_enable_vi_params(adapter, adapter->mbox, pi->viid, + true, true, false); + } + + if (ret == 0 && cxgbe_force_linkup(adapter)) + pi->eth_dev->data->dev_link.link_status = ETH_LINK_UP; + return ret; +} + +/** + * cxgbe_write_rss_conf - flash the RSS configuration for a given port + * @pi: the port + * @rss_hf: Hash configuration to apply + */ +int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t rss_hf) +{ + struct adapter *adapter = pi->adapter; + const struct sge_eth_rxq *rxq; + u64 flags = 0; + u16 rss; + int err; + + /* Should never be called before setting up sge eth rx queues */ + if (!(adapter->flags & FULL_INIT_DONE)) { + dev_err(adap, "%s No RXQs available on port %d\n", + __func__, pi->port_id); + return -EINVAL; + } + + /* Don't allow unsupported hash functions */ + if (rss_hf & ~CXGBE_RSS_HF_ALL) + return -EINVAL; + + if (rss_hf & CXGBE_RSS_HF_IPV4_MASK) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN; + + if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN; + + if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN | + F_FW_RSS_VI_CONFIG_CMD_UDPEN; + + if (rss_hf & CXGBE_RSS_HF_IPV6_MASK) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN; + + if (rss_hf & CXGBE_RSS_HF_TCP_IPV6_MASK) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN | + F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN; + + if (rss_hf & CXGBE_RSS_HF_UDP_IPV6_MASK) + flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN | + F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN | + F_FW_RSS_VI_CONFIG_CMD_UDPEN; + + rxq = &adapter->sge.ethrxq[pi->first_qset]; + rss = rxq[0].rspq.abs_id; + + /* If Tunnel All Lookup isn't specified in the global RSS + * Configuration, then we need to specify a default Ingress + * Queue for any ingress packets which aren't hashed. We'll + * use our first ingress queue ... + */ + err = t4_config_vi_rss(adapter, adapter->mbox, pi->viid, + flags, rss); + return err; +} + +/** + * cxgbe_write_rss - write the RSS table for a given port + * @pi: the port + * @queues: array of queue indices for RSS + * + * Sets up the portion of the HW RSS table for the port's VI to distribute + * packets to the Rx queues in @queues. + */ +int cxgbe_write_rss(const struct port_info *pi, const u16 *queues) +{ + u16 *rss; + int i, err; + struct adapter *adapter = pi->adapter; + const struct sge_eth_rxq *rxq; + + /* Should never be called before setting up sge eth rx queues */ + BUG_ON(!(adapter->flags & FULL_INIT_DONE)); + + rxq = &adapter->sge.ethrxq[pi->first_qset]; + rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0); + if (!rss) + return -ENOMEM; + + /* map the queue indices to queue ids */ + for (i = 0; i < pi->rss_size; i++, queues++) + rss[i] = rxq[*queues].rspq.abs_id; + + err = t4_config_rss_range(adapter, adapter->pf, pi->viid, 0, + pi->rss_size, rss, pi->rss_size); + rte_free(rss); + return err; +} + +/** + * setup_rss - configure RSS + * @adapter: the adapter + * + * Sets up RSS to distribute packets to multiple receive queues. We + * configure the RSS CPU lookup table to distribute to the number of HW + * receive queues, and the response queue lookup table to narrow that + * down to the response queues actually configured for each port. + * We always configure the RSS mapping for all ports since the mapping + * table has plenty of entries. + */ +int cxgbe_setup_rss(struct port_info *pi) +{ + int j, err; + struct adapter *adapter = pi->adapter; + + dev_debug(adapter, "%s: pi->rss_size = %u; pi->n_rx_qsets = %u\n", + __func__, pi->rss_size, pi->n_rx_qsets); + + if (!(pi->flags & PORT_RSS_DONE)) { + if (adapter->flags & FULL_INIT_DONE) { + /* Fill default values with equal distribution */ + for (j = 0; j < pi->rss_size; j++) + pi->rss[j] = j % pi->n_rx_qsets; + + err = cxgbe_write_rss(pi, pi->rss); + if (err) + return err; + + err = cxgbe_write_rss_conf(pi, pi->rss_hf); + if (err) + return err; + pi->flags |= PORT_RSS_DONE; + } + } + return 0; +} + +/* + * Enable NAPI scheduling and interrupt generation for all Rx queues. + */ +static void enable_rx(struct adapter *adap, struct sge_rspq *q) +{ + /* 0-increment GTS to start the timer and enable interrupts */ + t4_write_reg(adap, is_pf4(adap) ? MYPF_REG(A_SGE_PF_GTS) : + T4VF_SGE_BASE_ADDR + A_SGE_VF_GTS, + V_SEINTARM(q->intr_params) | + V_INGRESSQID(q->cntxt_id)); +} + +void cxgbe_enable_rx_queues(struct port_info *pi) +{ + struct adapter *adap = pi->adapter; + struct sge *s = &adap->sge; + unsigned int i; + + for (i = 0; i < pi->n_rx_qsets; i++) + enable_rx(adap, &s->ethrxq[pi->first_qset + i].rspq); +} + +/** + * fw_caps_to_speed_caps - translate Firmware Port Caps to Speed Caps. + * @port_type: Firmware Port Type + * @fw_caps: Firmware Port Capabilities + * @speed_caps: Device Info Speed Capabilities + * + * Translate a Firmware Port Capabilities specification to Device Info + * Speed Capabilities. + */ +static void fw_caps_to_speed_caps(enum fw_port_type port_type, + unsigned int fw_caps, + u32 *speed_caps) +{ +#define SET_SPEED(__speed_name) \ + do { \ + *speed_caps |= ETH_LINK_ ## __speed_name; \ + } while (0) + +#define FW_CAPS_TO_SPEED(__fw_name) \ + do { \ + if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \ + SET_SPEED(__fw_name); \ + } while (0) + + switch (port_type) { + case FW_PORT_TYPE_BT_SGMII: + case FW_PORT_TYPE_BT_XFI: + case FW_PORT_TYPE_BT_XAUI: + FW_CAPS_TO_SPEED(SPEED_100M); + FW_CAPS_TO_SPEED(SPEED_1G); + FW_CAPS_TO_SPEED(SPEED_10G); + break; + + case FW_PORT_TYPE_KX4: + case FW_PORT_TYPE_KX: + case FW_PORT_TYPE_FIBER_XFI: + case FW_PORT_TYPE_FIBER_XAUI: + case FW_PORT_TYPE_SFP: + case FW_PORT_TYPE_QSFP_10G: + case FW_PORT_TYPE_QSA: + FW_CAPS_TO_SPEED(SPEED_1G); + FW_CAPS_TO_SPEED(SPEED_10G); + break; + + case FW_PORT_TYPE_KR: + SET_SPEED(SPEED_10G); + break; + + case FW_PORT_TYPE_BP_AP: + case FW_PORT_TYPE_BP4_AP: + SET_SPEED(SPEED_1G); + SET_SPEED(SPEED_10G); + break; + + case FW_PORT_TYPE_BP40_BA: + case FW_PORT_TYPE_QSFP: + SET_SPEED(SPEED_40G); + break; + + case FW_PORT_TYPE_CR_QSFP: + case FW_PORT_TYPE_SFP28: + case FW_PORT_TYPE_KR_SFP28: + FW_CAPS_TO_SPEED(SPEED_1G); + FW_CAPS_TO_SPEED(SPEED_10G); + FW_CAPS_TO_SPEED(SPEED_25G); + break; + + case FW_PORT_TYPE_CR2_QSFP: + SET_SPEED(SPEED_50G); + break; + + case FW_PORT_TYPE_KR4_100G: + case FW_PORT_TYPE_CR4_QSFP: + FW_CAPS_TO_SPEED(SPEED_25G); + FW_CAPS_TO_SPEED(SPEED_40G); + FW_CAPS_TO_SPEED(SPEED_50G); + FW_CAPS_TO_SPEED(SPEED_100G); + break; + + default: + break; + } + +#undef FW_CAPS_TO_SPEED +#undef SET_SPEED +} + +/** + * cxgbe_get_speed_caps - Fetch supported speed capabilities + * @pi: Underlying port's info + * @speed_caps: Device Info speed capabilities + * + * Fetch supported speed capabilities of the underlying port. + */ +void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps) +{ + *speed_caps = 0; + + fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.pcaps, + speed_caps); + + if (!(pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG)) + *speed_caps |= ETH_LINK_SPEED_FIXED; +} + +/** + * cxgbe_set_link_status - Set device link up or down. + * @pi: Underlying port's info + * @status: 0 - down, 1 - up + * + * Set the device link up or down. + */ +int cxgbe_set_link_status(struct port_info *pi, bool status) +{ + struct adapter *adapter = pi->adapter; + int err = 0; + + err = t4_enable_vi(adapter, adapter->mbox, pi->viid, status, status); + if (err) { + dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err); + return err; + } + + if (!status) + t4_reset_link_config(adapter, pi->pidx); + + return 0; +} + +/** + * cxgb_up - enable the adapter + * @adap: adapter being enabled + * + * Called when the first port is enabled, this function performs the + * actions necessary to make an adapter operational, such as completing + * the initialization of HW modules, and enabling interrupts. + */ +int cxgbe_up(struct adapter *adap) +{ + enable_rx(adap, &adap->sge.fw_evtq); + t4_sge_tx_monitor_start(adap); + if (is_pf4(adap)) + t4_intr_enable(adap); + adap->flags |= FULL_INIT_DONE; + + /* TODO: deadman watchdog ?? */ + return 0; +} + +/* + * Close the port + */ +int cxgbe_down(struct port_info *pi) +{ + return cxgbe_set_link_status(pi, false); +} + +/* + * Release resources when all the ports have been stopped. + */ +void cxgbe_close(struct adapter *adapter) +{ + struct port_info *pi; + int i; + + if (adapter->flags & FULL_INIT_DONE) { + tid_free(&adapter->tids); + t4_cleanup_mpstcam(adapter); + t4_cleanup_clip_tbl(adapter); + t4_cleanup_l2t(adapter); + t4_cleanup_smt(adapter); + if (is_pf4(adapter)) + t4_intr_disable(adapter); + t4_sge_tx_monitor_stop(adapter); + t4_free_sge_resources(adapter); + for_each_port(adapter, i) { + pi = adap2pinfo(adapter, i); + if (pi->viid != 0) + t4_free_vi(adapter, adapter->mbox, + adapter->pf, 0, pi->viid); + rte_eth_dev_release_port(pi->eth_dev); + } + adapter->flags &= ~FULL_INIT_DONE; + } + + if (is_pf4(adapter) && (adapter->flags & FW_OK)) + t4_fw_bye(adapter, adapter->mbox); +} + +static void adap_smt_index(struct adapter *adapter, u32 *smt_start_idx, + u32 *smt_size) +{ + u32 params[2], smt_val[2]; + int ret; + + params[0] = CXGBE_FW_PARAM_PFVF(GET_SMT_START); + params[1] = CXGBE_FW_PARAM_PFVF(GET_SMT_SIZE); + + ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0, + 2, params, smt_val); + + /* if FW doesn't recognize this command then set it to default setting + * which is start index as 0 and size as 256. + */ + if (ret < 0) { + *smt_start_idx = 0; + *smt_size = SMT_SIZE; + } else { + *smt_start_idx = smt_val[0]; + /* smt size can be zero, if nsmt is not yet configured in + * the config file or set as zero, then configure all the + * remaining entries to this PF itself. + */ + if (!smt_val[1]) + *smt_size = SMT_SIZE - *smt_start_idx; + else + *smt_size = smt_val[1]; + } +} + +int cxgbe_probe(struct adapter *adapter) +{ + u32 smt_start_idx, smt_size; + struct port_info *pi; + int func, i; + int err = 0; + u32 whoami; + int chip; + + whoami = t4_read_reg(adapter, A_PL_WHOAMI); + chip = t4_get_chip_type(adapter, + CHELSIO_PCI_ID_VER(adapter->pdev->id.device_id)); + if (chip < 0) + return chip; + + func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ? + G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami); + + adapter->mbox = func; + adapter->pf = func; + + t4_os_lock_init(&adapter->mbox_lock); + TAILQ_INIT(&adapter->mbox_list); + t4_os_lock_init(&adapter->win0_lock); + + err = t4_prep_adapter(adapter); + if (err) + return err; + + setup_memwin(adapter); + err = adap_init0(adapter); + if (err) { + dev_err(adapter, "%s: Adapter initialization failed, error %d\n", + __func__, err); + goto out_free; + } + + if (!is_t4(adapter->params.chip)) { + /* + * The userspace doorbell BAR is split evenly into doorbell + * regions, each associated with an egress queue. If this + * per-queue region is large enough (at least UDBS_SEG_SIZE) + * then it can be used to submit a tx work request with an + * implied doorbell. Enable write combining on the BAR if + * there is room for such work requests. + */ + int s_qpp, qpp, num_seg; + + s_qpp = (S_QUEUESPERPAGEPF0 + + (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * + adapter->pf); + qpp = 1 << ((t4_read_reg(adapter, + A_SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp) + & M_QUEUESPERPAGEPF0); + num_seg = CXGBE_PAGE_SIZE / UDBS_SEG_SIZE; + if (qpp > num_seg) + dev_warn(adapter, "Incorrect SGE EGRESS QUEUES_PER_PAGE configuration, continuing in debug mode\n"); + + adapter->bar2 = (void *)adapter->pdev->mem_resource[2].addr; + if (!adapter->bar2) { + dev_err(adapter, "cannot map device bar2 region\n"); + err = -ENOMEM; + goto out_free; + } + t4_write_reg(adapter, A_SGE_STAT_CFG, V_STATSOURCE_T5(7) | + V_STATMODE(0)); + } + + for_each_port(adapter, i) { + const unsigned int numa_node = rte_socket_id(); + char name[RTE_ETH_NAME_MAX_LEN]; + struct rte_eth_dev *eth_dev; + + snprintf(name, sizeof(name), "%s_%d", + adapter->pdev->device.name, i); + + if (i == 0) { + /* First port is already allocated by DPDK */ + eth_dev = adapter->eth_dev; + goto allocate_mac; + } + + /* + * now do all data allocation - for eth_dev structure, + * and internal (private) data for the remaining ports + */ + + /* reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocate(name); + if (!eth_dev) + goto out_free; + + eth_dev->data->dev_private = + rte_zmalloc_socket(name, sizeof(struct port_info), + RTE_CACHE_LINE_SIZE, numa_node); + if (!eth_dev->data->dev_private) + goto out_free; + +allocate_mac: + pi = eth_dev->data->dev_private; + adapter->port[i] = pi; + pi->eth_dev = eth_dev; + pi->adapter = adapter; + pi->xact_addr_filt = -1; + pi->port_id = i; + pi->pidx = i; + + pi->eth_dev->device = &adapter->pdev->device; + pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops; + pi->eth_dev->tx_pkt_burst = adapter->eth_dev->tx_pkt_burst; + pi->eth_dev->rx_pkt_burst = adapter->eth_dev->rx_pkt_burst; + + rte_eth_copy_pci_info(pi->eth_dev, adapter->pdev); + + pi->eth_dev->data->mac_addrs = rte_zmalloc(name, + RTE_ETHER_ADDR_LEN, 0); + if (!pi->eth_dev->data->mac_addrs) { + dev_err(adapter, "%s: Mem allocation failed for storing mac addr, aborting\n", + __func__); + err = -1; + goto out_free; + } + + if (i > 0) { + /* First port will be notified by upper layer */ + rte_eth_dev_probing_finish(eth_dev); + } + } + + if (adapter->flags & FW_OK) { + err = t4_port_init(adapter, adapter->mbox, adapter->pf, 0); + if (err) { + dev_err(adapter, "%s: t4_port_init failed with err %d\n", + __func__, err); + goto out_free; + } + } + + cxgbe_cfg_queues(adapter->eth_dev); + + cxgbe_print_adapter_info(adapter); + cxgbe_print_port_info(adapter); + + adapter->clipt = t4_init_clip_tbl(adapter->clipt_start, + adapter->clipt_end); + if (!adapter->clipt) { + /* We tolerate a lack of clip_table, giving up some + * functionality + */ + dev_warn(adapter, "could not allocate CLIP. Continuing\n"); + } + + adap_smt_index(adapter, &smt_start_idx, &smt_size); + adapter->smt = t4_init_smt(smt_start_idx, smt_size); + if (!adapter->smt) + dev_warn(adapter, "could not allocate SMT, continuing\n"); + + adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end); + if (!adapter->l2t) { + /* We tolerate a lack of L2T, giving up some functionality */ + dev_warn(adapter, "could not allocate L2T. Continuing\n"); + } + + if (tid_init(&adapter->tids) < 0) { + /* Disable filtering support */ + dev_warn(adapter, "could not allocate TID table, " + "filter support disabled. Continuing\n"); + } + + t4_os_lock_init(&adapter->flow_lock); + + adapter->mpstcam = t4_init_mpstcam(adapter); + if (!adapter->mpstcam) + dev_warn(adapter, "could not allocate mps tcam table." + " Continuing\n"); + + if (is_hashfilter(adapter)) { + if (t4_read_reg(adapter, A_LE_DB_CONFIG) & F_HASHEN) { + u32 hash_base, hash_reg; + + hash_reg = A_LE_DB_TID_HASHBASE; + hash_base = t4_read_reg(adapter, hash_reg); + adapter->tids.hash_base = hash_base / 4; + } + } else { + /* Disable hash filtering support */ + dev_warn(adapter, + "Maskless filter support disabled. Continuing\n"); + } + + err = cxgbe_init_rss(adapter); + if (err) + goto out_free; + + return 0; + +out_free: + for_each_port(adapter, i) { + pi = adap2pinfo(adapter, i); + if (pi->viid != 0) + t4_free_vi(adapter, adapter->mbox, adapter->pf, + 0, pi->viid); + rte_eth_dev_release_port(pi->eth_dev); + } + + if (adapter->flags & FW_OK) + t4_fw_bye(adapter, adapter->mbox); + return -err; +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ofld.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ofld.h new file mode 100644 index 000000000..50931ed04 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_ofld.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_OFLD_H_ +#define _CXGBE_OFLD_H_ + +#include <rte_bitmap.h> + +#include "cxgbe_filter.h" + +#define INIT_TP_WR(w, tid) do { \ + (w)->wr.wr_hi = cpu_to_be32(V_FW_WR_OP(FW_TP_WR) | \ + V_FW_WR_IMMDLEN(sizeof(*w) - sizeof(w->wr))); \ + (w)->wr.wr_mid = cpu_to_be32( \ + V_FW_WR_LEN16(DIV_ROUND_UP(sizeof(*w), 16)) | \ + V_FW_WR_FLOWID(tid)); \ + (w)->wr.wr_lo = cpu_to_be64(0); \ +} while (0) + +#define INIT_TP_WR_MIT_CPL(w, cpl, tid) do { \ + INIT_TP_WR(w, tid); \ + OPCODE_TID(w) = cpu_to_be32(MK_OPCODE_TID(cpl, tid)); \ +} while (0) + +#define INIT_ULPTX_WR(w, wrlen, atomic, tid) do { \ + (w)->wr.wr_hi = cpu_to_be32(V_FW_WR_OP(FW_ULPTX_WR) | \ + V_FW_WR_ATOMIC(atomic)); \ + (w)->wr.wr_mid = cpu_to_be32(V_FW_WR_LEN16(DIV_ROUND_UP(wrlen, 16)) | \ + V_FW_WR_FLOWID(tid)); \ + (w)->wr.wr_lo = cpu_to_be64(0); \ +} while (0) + +/* + * Max # of ATIDs. The absolute HW max is 16K but we keep it lower. + */ +#define MAX_ATIDS 8192U + +union aopen_entry { + void *data; + union aopen_entry *next; +}; + +/* + * Holds the size, base address, free list start, etc of filter TID. + * The tables themselves are allocated dynamically. + */ +struct tid_info { + void **tid_tab; + unsigned int ntids; + struct filter_entry *ftid_tab; /* Normal filters */ + union aopen_entry *atid_tab; + struct rte_bitmap *ftid_bmap; + uint8_t *ftid_bmap_array; + unsigned int nftids, natids; + unsigned int ftid_base, hash_base; + + union aopen_entry *afree; + unsigned int atids_in_use; + + /* TIDs in the TCAM */ + rte_atomic32_t tids_in_use; + /* TIDs in the HASH */ + rte_atomic32_t hash_tids_in_use; + rte_atomic32_t conns_in_use; + + rte_spinlock_t atid_lock __rte_cache_aligned; + rte_spinlock_t ftid_lock; +}; + +static inline void *lookup_tid(const struct tid_info *t, unsigned int tid) +{ + return tid < t->ntids ? t->tid_tab[tid] : NULL; +} + +static inline void *lookup_atid(const struct tid_info *t, unsigned int atid) +{ + return atid < t->natids ? t->atid_tab[atid].data : NULL; +} + +int cxgbe_alloc_atid(struct tid_info *t, void *data); +void cxgbe_free_atid(struct tid_info *t, unsigned int atid); +void cxgbe_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid, + unsigned short family); +void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid, + unsigned short family); + +#endif /* _CXGBE_OFLD_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_pfvf.h b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_pfvf.h new file mode 100644 index 000000000..0b7c52aec --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbe_pfvf.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_PFVF_H_ +#define _CXGBE_PFVF_H_ + +#define CXGBE_FW_PARAM_DEV(param) \ + (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \ + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param)) + +#define CXGBE_FW_PARAM_PFVF(param) \ + (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \ + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param) | \ + V_FW_PARAMS_PARAM_Y(0) | \ + V_FW_PARAMS_PARAM_Z(0)) + +void cxgbe_dev_rx_queue_release(void *q); +void cxgbe_dev_tx_queue_release(void *q); +void cxgbe_dev_stop(struct rte_eth_dev *eth_dev); +void cxgbe_dev_close(struct rte_eth_dev *eth_dev); +int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev, + struct rte_eth_dev_info *device_info); +int cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev); +int cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev); +int cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev); +int cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev); +int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr); +int cxgbe_dev_configure(struct rte_eth_dev *eth_dev); +int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t queue_idx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf); +int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t queue_idx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mp); +int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, + uint16_t tx_queue_id); +int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, + uint16_t tx_queue_id); +int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id); +int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id); +int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu); +int cxgbe_dev_start(struct rte_eth_dev *eth_dev); +int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev, + int wait_to_complete); +int cxgbe_dev_set_link_up(struct rte_eth_dev *dev); +int cxgbe_dev_set_link_down(struct rte_eth_dev *dev); +uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); +uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts); +const uint32_t *cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev); +#endif /* _CXGBE_PFVF_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_ethdev.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_ethdev.c new file mode 100644 index 000000000..4165ba986 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_ethdev.c @@ -0,0 +1,217 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include <rte_ethdev_driver.h> +#include <rte_ethdev_pci.h> + +#include "cxgbe.h" +#include "cxgbe_pfvf.h" + +/* + * Macros needed to support the PCI Device ID Table ... + */ +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ + static const struct rte_pci_id cxgb4vf_pci_tbl[] = { +#define CH_PCI_DEVICE_ID_FUNCTION 0x8 + +#define PCI_VENDOR_ID_CHELSIO 0x1425 + +#define CH_PCI_ID_TABLE_ENTRY(devid) \ + { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) } + +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ + { .vendor_id = 0, } \ + } + +/* + *... and the PCI ID Table itself ... + */ +#include "base/t4_pci_id_tbl.h" + +/* + * Get port statistics. + */ +static int cxgbevf_dev_stats_get(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *eth_stats) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct port_stats ps; + unsigned int i; + + cxgbevf_stats_get(pi, &ps); + + /* RX Stats */ + eth_stats->ierrors = ps.rx_len_err; + + /* TX Stats */ + eth_stats->opackets = ps.tx_bcast_frames + ps.tx_mcast_frames + + ps.tx_ucast_frames; + eth_stats->obytes = ps.tx_octets; + eth_stats->oerrors = ps.tx_drop; + + for (i = 0; i < pi->n_rx_qsets; i++) { + struct sge_eth_rxq *rxq = + &s->ethrxq[pi->first_qset + i]; + + eth_stats->q_ipackets[i] = rxq->stats.pkts; + eth_stats->q_ibytes[i] = rxq->stats.rx_bytes; + eth_stats->ipackets += eth_stats->q_ipackets[i]; + eth_stats->ibytes += eth_stats->q_ibytes[i]; + } + + for (i = 0; i < pi->n_tx_qsets; i++) { + struct sge_eth_txq *txq = + &s->ethtxq[pi->first_qset + i]; + + eth_stats->q_opackets[i] = txq->stats.pkts; + eth_stats->q_obytes[i] = txq->stats.tx_bytes; + } + return 0; +} + +static const struct eth_dev_ops cxgbevf_eth_dev_ops = { + .dev_start = cxgbe_dev_start, + .dev_stop = cxgbe_dev_stop, + .dev_close = cxgbe_dev_close, + .promiscuous_enable = cxgbe_dev_promiscuous_enable, + .promiscuous_disable = cxgbe_dev_promiscuous_disable, + .allmulticast_enable = cxgbe_dev_allmulticast_enable, + .allmulticast_disable = cxgbe_dev_allmulticast_disable, + .dev_configure = cxgbe_dev_configure, + .dev_infos_get = cxgbe_dev_info_get, + .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get, + .link_update = cxgbe_dev_link_update, + .dev_set_link_up = cxgbe_dev_set_link_up, + .dev_set_link_down = cxgbe_dev_set_link_down, + .mtu_set = cxgbe_dev_mtu_set, + .tx_queue_setup = cxgbe_dev_tx_queue_setup, + .tx_queue_start = cxgbe_dev_tx_queue_start, + .tx_queue_stop = cxgbe_dev_tx_queue_stop, + .tx_queue_release = cxgbe_dev_tx_queue_release, + .rx_queue_setup = cxgbe_dev_rx_queue_setup, + .rx_queue_start = cxgbe_dev_rx_queue_start, + .rx_queue_stop = cxgbe_dev_rx_queue_stop, + .rx_queue_release = cxgbe_dev_rx_queue_release, + .stats_get = cxgbevf_dev_stats_get, + .mac_addr_set = cxgbe_mac_addr_set, +}; + +/* + * Initialize driver + * It returns 0 on success. + */ +static int eth_cxgbevf_dev_init(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct rte_pci_device *pci_dev; + char name[RTE_ETH_NAME_MAX_LEN]; + struct adapter *adapter = NULL; + int err = 0; + + CXGBE_FUNC_TRACE(); + + eth_dev->dev_ops = &cxgbevf_eth_dev_ops; + eth_dev->rx_pkt_burst = &cxgbe_recv_pkts; + eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts; + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + /* for secondary processes, we attach to ethdevs allocated by primary + * and do minimal initialization. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + int i; + + for (i = 1; i < MAX_NPORTS; i++) { + struct rte_eth_dev *rest_eth_dev; + char namei[RTE_ETH_NAME_MAX_LEN]; + + snprintf(namei, sizeof(namei), "%s_%d", + pci_dev->device.name, i); + rest_eth_dev = rte_eth_dev_attach_secondary(namei); + if (rest_eth_dev) { + rest_eth_dev->device = &pci_dev->device; + rest_eth_dev->dev_ops = + eth_dev->dev_ops; + rest_eth_dev->rx_pkt_burst = + eth_dev->rx_pkt_burst; + rest_eth_dev->tx_pkt_burst = + eth_dev->tx_pkt_burst; + rte_eth_dev_probing_finish(rest_eth_dev); + } + } + return 0; + } + + snprintf(name, sizeof(name), "cxgbevfadapter%d", + eth_dev->data->port_id); + adapter = rte_zmalloc(name, sizeof(*adapter), 0); + if (!adapter) + return -1; + + adapter->use_unpacked_mode = 1; + adapter->regs = (void *)pci_dev->mem_resource[0].addr; + if (!adapter->regs) { + dev_err(adapter, "%s: cannot map device registers\n", __func__); + err = -ENOMEM; + goto out_free_adapter; + } + adapter->pdev = pci_dev; + adapter->eth_dev = eth_dev; + pi->adapter = adapter; + + cxgbe_process_devargs(adapter); + + err = cxgbevf_probe(adapter); + if (err) { + dev_err(adapter, "%s: cxgbevf probe failed with err %d\n", + __func__, err); + goto out_free_adapter; + } + + return 0; + +out_free_adapter: + rte_free(adapter); + return err; +} + +static int eth_cxgbevf_dev_uninit(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = eth_dev->data->dev_private; + struct adapter *adap = pi->adapter; + + /* Free up other ports and all resources */ + cxgbe_close(adap); + return 0; +} + +static int eth_cxgbevf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct port_info), + eth_cxgbevf_dev_init); +} + +static int eth_cxgbevf_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbevf_dev_uninit); +} + +static struct rte_pci_driver rte_cxgbevf_pmd = { + .id_table = cxgb4vf_pci_tbl, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .probe = eth_cxgbevf_pci_probe, + .remove = eth_cxgbevf_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(net_cxgbevf, rte_cxgbevf_pmd); +RTE_PMD_REGISTER_PCI_TABLE(net_cxgbevf, cxgb4vf_pci_tbl); +RTE_PMD_REGISTER_KMOD_DEP(net_cxgbevf, "* igb_uio | vfio-pci"); +RTE_PMD_REGISTER_PARAM_STRING(net_cxgbevf, + CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> " + CXGBE_DEVARG_CMN_TX_MODE_LATENCY "=<0|1> " + CXGBE_DEVARG_VF_FORCE_LINK_UP "=<0|1> "); diff --git a/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_main.c b/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_main.c new file mode 100644 index 000000000..66fb92375 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/cxgbevf_main.c @@ -0,0 +1,302 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include <rte_ethdev_driver.h> +#include <rte_ethdev_pci.h> +#include <rte_malloc.h> + +#include "base/common.h" +#include "base/t4_regs.h" +#include "base/t4_msg.h" +#include "cxgbe.h" +#include "cxgbe_pfvf.h" +#include "mps_tcam.h" + +/* + * Figure out how many Ports and Queue Sets we can support. This depends on + * knowing our Virtual Function Resources and may be called a second time if + * we fall back from MSI-X to MSI Interrupt Mode. + */ +static void size_nports_qsets(struct adapter *adapter) +{ + struct vf_resources *vfres = &adapter->params.vfres; + unsigned int pmask_nports; + + /* + * The number of "ports" which we support is equal to the number of + * Virtual Interfaces with which we've been provisioned. + */ + adapter->params.nports = vfres->nvi; + if (adapter->params.nports > MAX_NPORTS) { + dev_warn(adapter->pdev_dev, "only using %d of %d maximum" + " allowed virtual interfaces\n", MAX_NPORTS, + adapter->params.nports); + adapter->params.nports = MAX_NPORTS; + } + + /* + * We may have been provisioned with more VIs than the number of + * ports we're allowed to access (our Port Access Rights Mask). + * This is obviously a configuration conflict but we don't want to + * do anything silly just because of that. + */ + pmask_nports = hweight32(adapter->params.vfres.pmask); + if (pmask_nports < adapter->params.nports) { + dev_warn(adapter->pdev_dev, "only using %d of %d provissioned" + " virtual interfaces; limited by Port Access Rights" + " mask %#x\n", pmask_nports, adapter->params.nports, + adapter->params.vfres.pmask); + adapter->params.nports = pmask_nports; + } + + cxgbe_configure_max_ethqsets(adapter); + if (adapter->sge.max_ethqsets < adapter->params.nports) { + dev_warn(adapter->pdev_dev, "only using %d of %d available" + " virtual interfaces (too few Queue Sets)\n", + adapter->sge.max_ethqsets, adapter->params.nports); + adapter->params.nports = adapter->sge.max_ethqsets; + } +} + +void cxgbevf_stats_get(struct port_info *pi, struct port_stats *stats) +{ + t4vf_get_port_stats(pi->adapter, pi->pidx, stats); +} + +static int adap_init0vf(struct adapter *adapter) +{ + u32 param, val = 0; + int err; + + err = t4vf_fw_reset(adapter); + if (err < 0) { + dev_err(adapter->pdev_dev, "FW reset failed: err=%d\n", err); + return err; + } + + /* + * Grab basic operational parameters. These will predominantly have + * been set up by the Physical Function Driver or will be hard coded + * into the adapter. We just have to live with them ... Note that + * we _must_ get our VPD parameters before our SGE parameters because + * we need to know the adapter's core clock from the VPD in order to + * properly decode the SGE Timer Values. + */ + err = t4vf_get_dev_params(adapter); + if (err) { + dev_err(adapter->pdev_dev, "unable to retrieve adapter" + " device parameters: err=%d\n", err); + return err; + } + + err = t4vf_get_vpd_params(adapter); + if (err) { + dev_err(adapter->pdev_dev, "unable to retrieve adapter" + " VPD parameters: err=%d\n", err); + return err; + } + + adapter->pf = t4vf_get_pf_from_vf(adapter); + err = t4vf_sge_init(adapter); + if (err) { + dev_err(adapter->pdev_dev, "error in sge init\n"); + return err; + } + + err = t4vf_get_rss_glb_config(adapter); + if (err) { + dev_err(adapter->pdev_dev, "unable to retrieve adapter" + " RSS parameters: err=%d\n", err); + return err; + } + if (adapter->params.rss.mode != + FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) { + dev_err(adapter->pdev_dev, "unable to operate with global RSS" + " mode %d\n", adapter->params.rss.mode); + return -EINVAL; + } + + /* If we're running on newer firmware, let it know that we're + * prepared to deal with encapsulated CPL messages. Older + * firmware won't understand this and we'll just get + * unencapsulated messages ... + */ + param = CXGBE_FW_PARAM_PFVF(CPLFW4MSG_ENCAP); + val = 1; + t4vf_set_params(adapter, 1, ¶m, &val); + + /* Query for max number of packets that can be coalesced for Tx */ + param = CXGBE_FW_PARAM_PFVF(MAX_PKTS_PER_ETH_TX_PKTS_WR); + err = t4vf_query_params(adapter, 1, ¶m, &val); + if (!err && val > 0) + adapter->params.max_tx_coalesce_num = val; + else + adapter->params.max_tx_coalesce_num = ETH_COALESCE_VF_PKT_NUM; + + /* + * Grab our Virtual Interface resource allocation, extract the + * features that we're interested in and do a bit of sanity testing on + * what we discover. + */ + err = t4vf_get_vfres(adapter); + if (err) { + dev_err(adapter->pdev_dev, "unable to get virtual interface" + " resources: err=%d\n", err); + return err; + } + + /* + * Check for various parameter sanity issues. + */ + if (adapter->params.vfres.pmask == 0) { + dev_err(adapter->pdev_dev, "no port access configured\n" + "usable!\n"); + return -EINVAL; + } + if (adapter->params.vfres.nvi == 0) { + dev_err(adapter->pdev_dev, "no virtual interfaces configured/" + "usable!\n"); + return -EINVAL; + } + + /* + * Initialize nports and max_ethqsets now that we have our Virtual + * Function Resources. + */ + size_nports_qsets(adapter); + adapter->flags |= FW_OK; + return 0; +} + +int cxgbevf_probe(struct adapter *adapter) +{ + struct port_info *pi; + unsigned int pmask; + int err = 0; + int i; + + t4_os_lock_init(&adapter->mbox_lock); + TAILQ_INIT(&adapter->mbox_list); + err = t4vf_prep_adapter(adapter); + if (err) + return err; + + if (!is_t4(adapter->params.chip)) { + adapter->bar2 = (void *)adapter->pdev->mem_resource[2].addr; + if (!adapter->bar2) { + dev_err(adapter, "cannot map device bar2 region\n"); + err = -ENOMEM; + return err; + } + } + + err = adap_init0vf(adapter); + if (err) { + dev_err(adapter, "%s: Adapter initialization failed, error %d\n", + __func__, err); + goto out_free; + } + + pmask = adapter->params.vfres.pmask; + for_each_port(adapter, i) { + const unsigned int numa_node = rte_socket_id(); + char name[RTE_ETH_NAME_MAX_LEN]; + struct rte_eth_dev *eth_dev; + int port_id; + + if (pmask == 0) + break; + port_id = ffs(pmask) - 1; + pmask &= ~(1 << port_id); + + snprintf(name, sizeof(name), "%s_%d", + adapter->pdev->device.name, i); + + if (i == 0) { + /* First port is already allocated by DPDK */ + eth_dev = adapter->eth_dev; + goto allocate_mac; + } + + /* + * now do all data allocation - for eth_dev structure, + * and internal (private) data for the remaining ports + */ + + /* reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocate(name); + if (!eth_dev) { + err = -ENOMEM; + goto out_free; + } + eth_dev->data->dev_private = + rte_zmalloc_socket(name, sizeof(struct port_info), + RTE_CACHE_LINE_SIZE, numa_node); + if (!eth_dev->data->dev_private) + goto out_free; + +allocate_mac: + pi = eth_dev->data->dev_private; + adapter->port[i] = pi; + pi->eth_dev = eth_dev; + pi->adapter = adapter; + pi->xact_addr_filt = -1; + pi->port_id = port_id; + pi->pidx = i; + + pi->eth_dev->device = &adapter->pdev->device; + pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops; + pi->eth_dev->tx_pkt_burst = adapter->eth_dev->tx_pkt_burst; + pi->eth_dev->rx_pkt_burst = adapter->eth_dev->rx_pkt_burst; + + rte_eth_copy_pci_info(pi->eth_dev, adapter->pdev); + pi->eth_dev->data->mac_addrs = rte_zmalloc(name, + RTE_ETHER_ADDR_LEN, 0); + if (!pi->eth_dev->data->mac_addrs) { + dev_err(adapter, "%s: Mem allocation failed for storing mac addr, aborting\n", + __func__); + err = -ENOMEM; + goto out_free; + } + + if (i > 0) { + /* First port will be notified by upper layer */ + rte_eth_dev_probing_finish(eth_dev); + } + } + + if (adapter->flags & FW_OK) { + err = t4vf_port_init(adapter); + if (err) { + dev_err(adapter, "%s: t4_port_init failed with err %d\n", + __func__, err); + goto out_free; + } + } + + cxgbe_cfg_queues(adapter->eth_dev); + cxgbe_print_adapter_info(adapter); + cxgbe_print_port_info(adapter); + + adapter->mpstcam = t4_init_mpstcam(adapter); + if (!adapter->mpstcam) + dev_warn(adapter, + "VF could not allocate mps tcam table. Continuing\n"); + + err = cxgbe_init_rss(adapter); + if (err) + goto out_free; + return 0; + +out_free: + for_each_port(adapter, i) { + pi = adap2pinfo(adapter, i); + if (pi->viid != 0) + t4_free_vi(adapter, adapter->mbox, adapter->pf, + 0, pi->viid); + rte_eth_dev_release_port(pi->eth_dev); + } + return -err; +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/l2t.c b/src/spdk/dpdk/drivers/net/cxgbe/l2t.c new file mode 100644 index 000000000..f9d651fe0 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/l2t.c @@ -0,0 +1,229 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include "base/common.h" +#include "l2t.h" + +/** + * cxgbe_l2t_release - Release associated L2T entry + * @e: L2T entry to release + * + * Releases ref count and frees up an L2T entry from L2T table + */ +void cxgbe_l2t_release(struct l2t_entry *e) +{ + if (rte_atomic32_read(&e->refcnt) != 0) + rte_atomic32_dec(&e->refcnt); +} + +/** + * Process a CPL_L2T_WRITE_RPL. Note that the TID in the reply is really + * the L2T index it refers to. + */ +void cxgbe_do_l2t_write_rpl(struct adapter *adap, + const struct cpl_l2t_write_rpl *rpl) +{ + struct l2t_data *d = adap->l2t; + unsigned int tid = GET_TID(rpl); + unsigned int l2t_idx = tid % L2T_SIZE; + + if (unlikely(rpl->status != CPL_ERR_NONE)) { + dev_err(adap, + "Unexpected L2T_WRITE_RPL status %u for entry %u\n", + rpl->status, l2t_idx); + return; + } + + if (tid & F_SYNC_WR) { + struct l2t_entry *e = &d->l2tab[l2t_idx - d->l2t_start]; + + t4_os_lock(&e->lock); + if (e->state != L2T_STATE_SWITCHING) + e->state = L2T_STATE_VALID; + t4_os_unlock(&e->lock); + } +} + +/** + * Write an L2T entry. Must be called with the entry locked. + * The write may be synchronous or asynchronous. + */ +static int write_l2e(struct rte_eth_dev *dev, struct l2t_entry *e, int sync, + bool loopback, bool arpmiss) +{ + struct adapter *adap = ethdev2adap(dev); + struct l2t_data *d = adap->l2t; + struct rte_mbuf *mbuf; + struct cpl_l2t_write_req *req; + struct sge_ctrl_txq *ctrlq; + unsigned int l2t_idx = e->idx + d->l2t_start; + unsigned int port_id = ethdev2pinfo(dev)->port_id; + + ctrlq = &adap->sge.ctrlq[port_id]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) + return -ENOMEM; + + mbuf->data_len = sizeof(*req); + mbuf->pkt_len = mbuf->data_len; + + req = rte_pktmbuf_mtod(mbuf, struct cpl_l2t_write_req *); + INIT_TP_WR(req, 0); + + OPCODE_TID(req) = + cpu_to_be32(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, + l2t_idx | V_SYNC_WR(sync) | + V_TID_QID(adap->sge.fw_evtq.abs_id))); + req->params = cpu_to_be16(V_L2T_W_PORT(e->lport) | + V_L2T_W_LPBK(loopback) | + V_L2T_W_ARPMISS(arpmiss) | + V_L2T_W_NOREPLY(!sync)); + req->l2t_idx = cpu_to_be16(l2t_idx); + req->vlan = cpu_to_be16(e->vlan); + rte_memcpy(req->dst_mac, e->dmac, RTE_ETHER_ADDR_LEN); + + if (loopback) + memset(req->dst_mac, 0, RTE_ETHER_ADDR_LEN); + + t4_mgmt_tx(ctrlq, mbuf); + + if (sync && e->state != L2T_STATE_SWITCHING) + e->state = L2T_STATE_SYNC_WRITE; + + return 0; +} + +/** + * find_or_alloc_l2e - Find/Allocate a free L2T entry + * @d: L2T table + * @vlan: VLAN id to compare/add + * @port: port id to compare/add + * @dmac: Destination MAC address to compare/add + * Returns pointer to the L2T entry found/created + * + * Finds/Allocates an L2T entry to be used by switching rule of a filter. + */ +static struct l2t_entry *find_or_alloc_l2e(struct l2t_data *d, u16 vlan, + u8 port, u8 *dmac) +{ + struct l2t_entry *end, *e; + struct l2t_entry *first_free = NULL; + + for (e = &d->l2tab[0], end = &d->l2tab[d->l2t_size]; e != end; ++e) { + if (rte_atomic32_read(&e->refcnt) == 0) { + if (!first_free) + first_free = e; + } else { + if (e->state == L2T_STATE_SWITCHING) { + if ((!memcmp(e->dmac, dmac, RTE_ETHER_ADDR_LEN)) && + e->vlan == vlan && e->lport == port) + goto exists; + } + } + } + + if (first_free) { + e = first_free; + goto found; + } + + return NULL; + +found: + e->state = L2T_STATE_UNUSED; + +exists: + return e; +} + +static struct l2t_entry *t4_l2t_alloc_switching(struct rte_eth_dev *dev, + u16 vlan, u8 port, + u8 *eth_addr) +{ + struct adapter *adap = ethdev2adap(dev); + struct l2t_data *d = adap->l2t; + struct l2t_entry *e; + int ret = 0; + + t4_os_write_lock(&d->lock); + e = find_or_alloc_l2e(d, vlan, port, eth_addr); + if (e) { + t4_os_lock(&e->lock); + if (!rte_atomic32_read(&e->refcnt)) { + e->state = L2T_STATE_SWITCHING; + e->vlan = vlan; + e->lport = port; + rte_memcpy(e->dmac, eth_addr, RTE_ETHER_ADDR_LEN); + rte_atomic32_set(&e->refcnt, 1); + ret = write_l2e(dev, e, 0, !L2T_LPBK, !L2T_ARPMISS); + if (ret < 0) + dev_debug(adap, "Failed to write L2T entry: %d", + ret); + } else { + rte_atomic32_inc(&e->refcnt); + } + t4_os_unlock(&e->lock); + } + t4_os_write_unlock(&d->lock); + + return ret ? NULL : e; +} + +/** + * cxgbe_l2t_alloc_switching - Allocate a L2T entry for switching rule + * @dev: rte_eth_dev pointer + * @vlan: VLAN Id + * @port: Associated port + * @dmac: Destination MAC address to add to L2T + * Returns pointer to the allocated l2t entry + * + * Allocates a L2T entry for use by switching rule of a filter + */ +struct l2t_entry *cxgbe_l2t_alloc_switching(struct rte_eth_dev *dev, u16 vlan, + u8 port, u8 *dmac) +{ + return t4_l2t_alloc_switching(dev, vlan, port, dmac); +} + +/** + * Initialize L2 Table + */ +struct l2t_data *t4_init_l2t(unsigned int l2t_start, unsigned int l2t_end) +{ + unsigned int l2t_size; + unsigned int i; + struct l2t_data *d; + + if (l2t_start >= l2t_end || l2t_end >= L2T_SIZE) + return NULL; + l2t_size = l2t_end - l2t_start + 1; + + d = t4_os_alloc(sizeof(*d) + l2t_size * sizeof(struct l2t_entry)); + if (!d) + return NULL; + + d->l2t_start = l2t_start; + d->l2t_size = l2t_size; + + t4_os_rwlock_init(&d->lock); + + for (i = 0; i < d->l2t_size; ++i) { + d->l2tab[i].idx = i; + d->l2tab[i].state = L2T_STATE_UNUSED; + t4_os_lock_init(&d->l2tab[i].lock); + rte_atomic32_set(&d->l2tab[i].refcnt, 0); + } + + return d; +} + +/** + * Cleanup L2 Table + */ +void t4_cleanup_l2t(struct adapter *adap) +{ + if (adap->l2t) + t4_os_free(adap->l2t); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/l2t.h b/src/spdk/dpdk/drivers/net/cxgbe/l2t.h new file mode 100644 index 000000000..2c489e4aa --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/l2t.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ +#ifndef _CXGBE_L2T_H_ +#define _CXGBE_L2T_H_ + +#include "base/t4_msg.h" + +enum { + L2T_SIZE = 4096 /* # of L2T entries */ +}; + +enum { + L2T_STATE_VALID, /* entry is up to date */ + L2T_STATE_SYNC_WRITE, /* synchronous write of entry underway */ + + /* when state is one of the below the entry is not hashed */ + L2T_STATE_SWITCHING, /* entry is being used by a switching filter */ + L2T_STATE_UNUSED /* entry not in use */ +}; + +/* + * State for the corresponding entry of the HW L2 table. + */ +struct l2t_entry { + u16 state; /* entry state */ + u16 idx; /* entry index within in-memory table */ + u16 vlan; /* VLAN TCI (id: bits 0-11, prio: 13-15 */ + u8 lport; /* destination port */ + u8 dmac[RTE_ETHER_ADDR_LEN]; /* destination MAC address */ + rte_spinlock_t lock; /* entry lock */ + rte_atomic32_t refcnt; /* entry reference count */ +}; + +struct l2t_data { + unsigned int l2t_start; /* start index of our piece of the L2T */ + unsigned int l2t_size; /* number of entries in l2tab */ + rte_rwlock_t lock; /* table rw lock */ + struct l2t_entry l2tab[0]; /* MUST BE LAST */ +}; + +#define L2T_LPBK true +#define L2T_ARPMISS true + +/* identifies sync vs async L2T_WRITE_REQs */ +#define S_SYNC_WR 12 +#define V_SYNC_WR(x) ((x) << S_SYNC_WR) +#define F_SYNC_WR V_SYNC_WR(1) + +struct l2t_data *t4_init_l2t(unsigned int l2t_start, unsigned int l2t_end); +void t4_cleanup_l2t(struct adapter *adap); +struct l2t_entry *cxgbe_l2t_alloc_switching(struct rte_eth_dev *dev, u16 vlan, + u8 port, u8 *dmac); +void cxgbe_l2t_release(struct l2t_entry *e); +void cxgbe_do_l2t_write_rpl(struct adapter *p, + const struct cpl_l2t_write_rpl *rpl); +#endif /* _CXGBE_L2T_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/meson.build b/src/spdk/dpdk/drivers/net/cxgbe/meson.build new file mode 100644 index 000000000..3992aba44 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/meson.build @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Intel Corporation + +sources = files('cxgbe_ethdev.c', + 'cxgbe_main.c', + 'cxgbevf_ethdev.c', + 'cxgbevf_main.c', + 'sge.c', + 'cxgbe_filter.c', + 'cxgbe_flow.c', + 'clip_tbl.c', + 'mps_tcam.c', + 'l2t.c', + 'smt.c', + 'base/t4_hw.c', + 'base/t4vf_hw.c') +includes += include_directories('base') diff --git a/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.c b/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.c new file mode 100644 index 000000000..5302d1343 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.c @@ -0,0 +1,241 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include "mps_tcam.h" + +static inline bool +match_entry(struct mps_tcam_entry *entry, const u8 *eth_addr, const u8 *mask) +{ + if (!memcmp(eth_addr, entry->eth_addr, RTE_ETHER_ADDR_LEN) && + !memcmp(mask, entry->mask, RTE_ETHER_ADDR_LEN)) + return true; + return false; +} + +static int cxgbe_update_free_idx(struct mpstcam_table *t) +{ + struct mps_tcam_entry *entry = t->entry; + u16 i, next = t->free_idx + 1; + + if (entry[t->free_idx].state == MPS_ENTRY_UNUSED) + /* You are already pointing to a free entry !! */ + return 0; + + /* loop, till we don't rollback to same index where we started */ + for (i = next; i != t->free_idx; i++) { + if (i == t->size) + /* rollback and search free entry from start */ + i = 0; + + if (entry[i].state == MPS_ENTRY_UNUSED) { + t->free_idx = i; + return 0; + } + } + + return -1; /* table is full */ +} + +static struct mps_tcam_entry * +cxgbe_mpstcam_lookup(struct mpstcam_table *t, const u8 *eth_addr, + const u8 *mask) +{ + struct mps_tcam_entry *entry = t->entry; + int i; + + if (!entry) + return NULL; + + for (i = 0; i < t->size; i++) { + if (entry[i].state == MPS_ENTRY_UNUSED) + continue; /* entry is not being used */ + if (match_entry(&entry[i], eth_addr, mask)) + return &entry[i]; + } + + return NULL; +} + +int cxgbe_mpstcam_alloc(struct port_info *pi, const u8 *eth_addr, + const u8 *mask) +{ + struct adapter *adap = pi->adapter; + struct mpstcam_table *mpstcam = adap->mpstcam; + struct mps_tcam_entry *entry; + int ret; + + if (!adap->mpstcam) { + dev_err(adap, "mpstcam table is not available\n"); + return -EOPNOTSUPP; + } + + /* If entry already present, return it. */ + t4_os_write_lock(&mpstcam->lock); + entry = cxgbe_mpstcam_lookup(adap->mpstcam, eth_addr, mask); + if (entry) { + rte_atomic32_add(&entry->refcnt, 1); + t4_os_write_unlock(&mpstcam->lock); + return entry->idx; + } + + if (mpstcam->full) { + t4_os_write_unlock(&mpstcam->lock); + dev_err(adap, "mps-tcam table is full\n"); + return -ENOMEM; + } + + ret = t4_alloc_raw_mac_filt(adap, pi->viid, eth_addr, mask, + mpstcam->free_idx, 0, pi->port_id, false); + if (ret <= 0) { + t4_os_write_unlock(&mpstcam->lock); + return ret; + } + + /* Fill in the new values */ + entry = &mpstcam->entry[ret]; + memcpy(entry->eth_addr, eth_addr, RTE_ETHER_ADDR_LEN); + memcpy(entry->mask, mask, RTE_ETHER_ADDR_LEN); + rte_atomic32_set(&entry->refcnt, 1); + entry->state = MPS_ENTRY_USED; + + if (cxgbe_update_free_idx(mpstcam)) + mpstcam->full = true; + + t4_os_write_unlock(&mpstcam->lock); + return ret; +} + +int cxgbe_mpstcam_modify(struct port_info *pi, int idx, const u8 *addr) +{ + struct adapter *adap = pi->adapter; + struct mpstcam_table *mpstcam = adap->mpstcam; + struct mps_tcam_entry *entry; + + if (!mpstcam) + return -EOPNOTSUPP; + t4_os_write_lock(&mpstcam->lock); + if (idx != -1 && idx >= mpstcam->size) { + t4_os_write_unlock(&mpstcam->lock); + return -EINVAL; + } + if (idx >= 0) { + entry = &mpstcam->entry[idx]; + /* user wants to modify an existing entry. + * verify if entry exists + */ + if (entry->state != MPS_ENTRY_USED) { + t4_os_write_unlock(&mpstcam->lock); + return -EINVAL; + } + } + + idx = t4_change_mac(adap, adap->mbox, pi->viid, idx, addr, true, true); + if (idx < 0) { + t4_os_write_unlock(&mpstcam->lock); + return idx; + } + + /* idx can now be different from what user provided */ + entry = &mpstcam->entry[idx]; + memcpy(entry->eth_addr, addr, RTE_ETHER_ADDR_LEN); + /* NOTE: we have considered the case that idx returned by t4_change_mac + * will be different from the user provided value only if user + * provided value is -1 + */ + if (entry->state == MPS_ENTRY_UNUSED) { + rte_atomic32_set(&entry->refcnt, 1); + entry->state = MPS_ENTRY_USED; + } + + if (cxgbe_update_free_idx(mpstcam)) + mpstcam->full = true; + + t4_os_write_unlock(&mpstcam->lock); + return idx; +} + +/** + * hold appropriate locks while calling this. + */ +static inline void reset_mpstcam_entry(struct mps_tcam_entry *entry) +{ + memset(entry->eth_addr, 0, RTE_ETHER_ADDR_LEN); + memset(entry->mask, 0, RTE_ETHER_ADDR_LEN); + rte_atomic32_clear(&entry->refcnt); + entry->state = MPS_ENTRY_UNUSED; +} + +/** + * ret < 0: fatal error + * ret = 0: entry removed in h/w + * ret > 0: updated refcount. + */ +int cxgbe_mpstcam_remove(struct port_info *pi, u16 idx) +{ + struct adapter *adap = pi->adapter; + struct mpstcam_table *t = adap->mpstcam; + struct mps_tcam_entry *entry; + int ret; + + if (!t) + return -EOPNOTSUPP; + t4_os_write_lock(&t->lock); + entry = &t->entry[idx]; + if (entry->state == MPS_ENTRY_UNUSED) { + t4_os_write_unlock(&t->lock); + return -EINVAL; + } + + if (rte_atomic32_read(&entry->refcnt) == 1) + ret = t4_free_raw_mac_filt(adap, pi->viid, entry->eth_addr, + entry->mask, idx, 1, pi->port_id, + false); + else + ret = rte_atomic32_sub_return(&entry->refcnt, 1); + + if (ret == 0) { + reset_mpstcam_entry(entry); + t->full = false; /* We have atleast 1 free entry */ + cxgbe_update_free_idx(t); + } + + t4_os_write_unlock(&t->lock); + return ret; +} + +struct mpstcam_table *t4_init_mpstcam(struct adapter *adap) +{ + struct mpstcam_table *t; + int i; + u16 size = adap->params.arch.mps_tcam_size; + + t = t4_os_alloc(sizeof(*t) + size * sizeof(struct mps_tcam_entry)); + if (!t) + return NULL; + + t4_os_rwlock_init(&t->lock); + t->full = false; + t->size = size; + + for (i = 0; i < size; i++) { + reset_mpstcam_entry(&t->entry[i]); + t->entry[i].mpstcam = t; + t->entry[i].idx = i; + } + + /* first entry is used by chip. this is overwritten only + * in t4_cleanup_mpstcam() + */ + t->entry[0].state = MPS_ENTRY_USED; + t->free_idx = 1; + + return t; +} + +void t4_cleanup_mpstcam(struct adapter *adap) +{ + if (adap->mpstcam) + t4_os_free(adap->mpstcam); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.h b/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.h new file mode 100644 index 000000000..3d1e8d3db --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/mps_tcam.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#ifndef _CXGBE_MPSTCAM_H_ +#define _CXGBE_MPSTCAM_H_ + +#include "base/common.h" + +enum { + MPS_ENTRY_UNUSED, /* Keep this first so memset 0 renders + * the correct state. Other states can + * be added in future like MPS_ENTRY_BUSY + * to reduce contention while mboxing + * the request to f/w or to denote attributes + * for a specific entry + */ + MPS_ENTRY_USED, +}; + +struct mps_tcam_entry { + u8 state; + u16 idx; + + /* add data here which uniquely defines an entry */ + u8 eth_addr[RTE_ETHER_ADDR_LEN]; + u8 mask[RTE_ETHER_ADDR_LEN]; + + struct mpstcam_table *mpstcam; /* backptr */ + rte_atomic32_t refcnt; +}; + +struct mpstcam_table { + u16 size; + rte_rwlock_t lock; + u16 free_idx; /* next free index */ + bool full; /* since free index can be present + * anywhere in the table, size and + * free_idx cannot alone determine + * if the table is full + */ + struct mps_tcam_entry entry[0]; +}; + +struct mpstcam_table *t4_init_mpstcam(struct adapter *adap); +void t4_cleanup_mpstcam(struct adapter *adap); +int cxgbe_mpstcam_alloc(struct port_info *pi, const u8 *mac, const u8 *mask); +int cxgbe_mpstcam_remove(struct port_info *pi, u16 idx); +int cxgbe_mpstcam_modify(struct port_info *pi, int idx, const u8 *addr); + +#endif /* _CXGBE_MPSTCAM_H_ */ diff --git a/src/spdk/dpdk/drivers/net/cxgbe/rte_pmd_cxgbe_version.map b/src/spdk/dpdk/drivers/net/cxgbe/rte_pmd_cxgbe_version.map new file mode 100644 index 000000000..f9f17e4f6 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/rte_pmd_cxgbe_version.map @@ -0,0 +1,3 @@ +DPDK_20.0 { + local: *; +}; diff --git a/src/spdk/dpdk/drivers/net/cxgbe/sge.c b/src/spdk/dpdk/drivers/net/cxgbe/sge.c new file mode 100644 index 000000000..aba85a209 --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/sge.c @@ -0,0 +1,2658 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. + */ + +#include <sys/queue.h> +#include <stdio.h> +#include <errno.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include <stdarg.h> +#include <inttypes.h> +#include <netinet/in.h> + +#include <rte_byteorder.h> +#include <rte_common.h> +#include <rte_cycles.h> +#include <rte_interrupts.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_pci.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_memory.h> +#include <rte_memzone.h> +#include <rte_tailq.h> +#include <rte_eal.h> +#include <rte_alarm.h> +#include <rte_ether.h> +#include <rte_ethdev_driver.h> +#include <rte_malloc.h> +#include <rte_random.h> +#include <rte_dev.h> + +#include "base/common.h" +#include "base/t4_regs.h" +#include "base/t4_msg.h" +#include "cxgbe.h" + +static inline void ship_tx_pkt_coalesce_wr(struct adapter *adap, + struct sge_eth_txq *txq); + +/* + * Max number of Rx buffers we replenish at a time. + */ +#define MAX_RX_REFILL 64U + +#define NOMEM_TMR_IDX (SGE_NTIMERS - 1) + +/* + * Max Tx descriptor space we allow for an Ethernet packet to be inlined + * into a WR. + */ +#define MAX_IMM_TX_PKT_LEN 256 + +/* + * Max size of a WR sent through a control Tx queue. + */ +#define MAX_CTRL_WR_LEN SGE_MAX_WR_LEN + +/* + * Rx buffer sizes for "usembufs" Free List buffers (one ingress packet + * per mbuf buffer). We currently only support two sizes for 1500- and + * 9000-byte MTUs. We could easily support more but there doesn't seem to be + * much need for that ... + */ +#define FL_MTU_SMALL 1500 +#define FL_MTU_LARGE 9000 + +static inline unsigned int fl_mtu_bufsize(struct adapter *adapter, + unsigned int mtu) +{ + struct sge *s = &adapter->sge; + + return CXGBE_ALIGN(s->pktshift + RTE_ETHER_HDR_LEN + VLAN_HLEN + mtu, + s->fl_align); +} + +#define FL_MTU_SMALL_BUFSIZE(adapter) fl_mtu_bufsize(adapter, FL_MTU_SMALL) +#define FL_MTU_LARGE_BUFSIZE(adapter) fl_mtu_bufsize(adapter, FL_MTU_LARGE) + +/* + * Bits 0..3 of rx_sw_desc.dma_addr have special meaning. The hardware uses + * these to specify the buffer size as an index into the SGE Free List Buffer + * Size register array. We also use bit 4, when the buffer has been unmapped + * for DMA, but this is of course never sent to the hardware and is only used + * to prevent double unmappings. All of the above requires that the Free List + * Buffers which we allocate have the bottom 5 bits free (0) -- i.e. are + * 32-byte or or a power of 2 greater in alignment. Since the SGE's minimal + * Free List Buffer alignment is 32 bytes, this works out for us ... + */ +enum { + RX_BUF_FLAGS = 0x1f, /* bottom five bits are special */ + RX_BUF_SIZE = 0x0f, /* bottom three bits are for buf sizes */ + RX_UNMAPPED_BUF = 0x10, /* buffer is not mapped */ + + /* + * XXX We shouldn't depend on being able to use these indices. + * XXX Especially when some other Master PF has initialized the + * XXX adapter or we use the Firmware Configuration File. We + * XXX should really search through the Host Buffer Size register + * XXX array for the appropriately sized buffer indices. + */ + RX_SMALL_PG_BUF = 0x0, /* small (PAGE_SIZE) page buffer */ + RX_LARGE_PG_BUF = 0x1, /* buffer large page buffer */ + + RX_SMALL_MTU_BUF = 0x2, /* small MTU buffer */ + RX_LARGE_MTU_BUF = 0x3, /* large MTU buffer */ +}; + +/** + * txq_avail - return the number of available slots in a Tx queue + * @q: the Tx queue + * + * Returns the number of descriptors in a Tx queue available to write new + * packets. + */ +static inline unsigned int txq_avail(const struct sge_txq *q) +{ + return q->size - 1 - q->in_use; +} + +static int map_mbuf(struct rte_mbuf *mbuf, dma_addr_t *addr) +{ + struct rte_mbuf *m = mbuf; + + for (; m; m = m->next, addr++) { + *addr = m->buf_iova + rte_pktmbuf_headroom(m); + if (*addr == 0) + goto out_err; + } + return 0; + +out_err: + return -ENOMEM; +} + +/** + * free_tx_desc - reclaims Tx descriptors and their buffers + * @q: the Tx queue to reclaim descriptors from + * @n: the number of descriptors to reclaim + * + * Reclaims Tx descriptors from an SGE Tx queue and frees the associated + * Tx buffers. Called with the Tx queue lock held. + */ +static void free_tx_desc(struct sge_txq *q, unsigned int n) +{ + struct tx_sw_desc *d; + unsigned int cidx = 0; + + d = &q->sdesc[cidx]; + while (n--) { + if (d->mbuf) { /* an SGL is present */ + rte_pktmbuf_free(d->mbuf); + d->mbuf = NULL; + } + if (d->coalesce.idx) { + int i; + + for (i = 0; i < d->coalesce.idx; i++) { + rte_pktmbuf_free(d->coalesce.mbuf[i]); + d->coalesce.mbuf[i] = NULL; + } + d->coalesce.idx = 0; + } + ++d; + if (++cidx == q->size) { + cidx = 0; + d = q->sdesc; + } + RTE_MBUF_PREFETCH_TO_FREE(&q->sdesc->mbuf->pool); + } +} + +static void reclaim_tx_desc(struct sge_txq *q, unsigned int n) +{ + struct tx_sw_desc *d; + unsigned int cidx = q->cidx; + + d = &q->sdesc[cidx]; + while (n--) { + if (d->mbuf) { /* an SGL is present */ + rte_pktmbuf_free(d->mbuf); + d->mbuf = NULL; + } + ++d; + if (++cidx == q->size) { + cidx = 0; + d = q->sdesc; + } + } + q->cidx = cidx; +} + +/** + * fl_cap - return the capacity of a free-buffer list + * @fl: the FL + * + * Returns the capacity of a free-buffer list. The capacity is less than + * the size because one descriptor needs to be left unpopulated, otherwise + * HW will think the FL is empty. + */ +static inline unsigned int fl_cap(const struct sge_fl *fl) +{ + return fl->size - 8; /* 1 descriptor = 8 buffers */ +} + +/** + * fl_starving - return whether a Free List is starving. + * @adapter: pointer to the adapter + * @fl: the Free List + * + * Tests specified Free List to see whether the number of buffers + * available to the hardware has falled below our "starvation" + * threshold. + */ +static inline bool fl_starving(const struct adapter *adapter, + const struct sge_fl *fl) +{ + const struct sge *s = &adapter->sge; + + return fl->avail - fl->pend_cred <= s->fl_starve_thres; +} + +static inline unsigned int get_buf_size(struct adapter *adapter, + const struct rx_sw_desc *d) +{ + unsigned int rx_buf_size_idx = d->dma_addr & RX_BUF_SIZE; + unsigned int buf_size = 0; + + switch (rx_buf_size_idx) { + case RX_SMALL_MTU_BUF: + buf_size = FL_MTU_SMALL_BUFSIZE(adapter); + break; + + case RX_LARGE_MTU_BUF: + buf_size = FL_MTU_LARGE_BUFSIZE(adapter); + break; + + default: + BUG_ON(1); + /* NOT REACHED */ + } + + return buf_size; +} + +/** + * free_rx_bufs - free the Rx buffers on an SGE free list + * @q: the SGE free list to free buffers from + * @n: how many buffers to free + * + * Release the next @n buffers on an SGE free-buffer Rx queue. The + * buffers must be made inaccessible to HW before calling this function. + */ +static void free_rx_bufs(struct sge_fl *q, int n) +{ + unsigned int cidx = q->cidx; + struct rx_sw_desc *d; + + d = &q->sdesc[cidx]; + while (n--) { + if (d->buf) { + rte_pktmbuf_free(d->buf); + d->buf = NULL; + } + ++d; + if (++cidx == q->size) { + cidx = 0; + d = q->sdesc; + } + q->avail--; + } + q->cidx = cidx; +} + +/** + * unmap_rx_buf - unmap the current Rx buffer on an SGE free list + * @q: the SGE free list + * + * Unmap the current buffer on an SGE free-buffer Rx queue. The + * buffer must be made inaccessible to HW before calling this function. + * + * This is similar to @free_rx_bufs above but does not free the buffer. + * Do note that the FL still loses any further access to the buffer. + */ +static void unmap_rx_buf(struct sge_fl *q) +{ + if (++q->cidx == q->size) + q->cidx = 0; + q->avail--; +} + +static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q) +{ + if (q->pend_cred >= 64) { + u32 val = adap->params.arch.sge_fl_db; + + if (is_t4(adap->params.chip)) + val |= V_PIDX(q->pend_cred / 8); + else + val |= V_PIDX_T5(q->pend_cred / 8); + + /* + * Make sure all memory writes to the Free List queue are + * committed before we tell the hardware about them. + */ + wmb(); + + /* + * If we don't have access to the new User Doorbell (T5+), use + * the old doorbell mechanism; otherwise use the new BAR2 + * mechanism. + */ + if (unlikely(!q->bar2_addr)) { + u32 reg = is_pf4(adap) ? MYPF_REG(A_SGE_PF_KDOORBELL) : + T4VF_SGE_BASE_ADDR + + A_SGE_VF_KDOORBELL; + + t4_write_reg_relaxed(adap, reg, + val | V_QID(q->cntxt_id)); + } else { + writel_relaxed(val | V_QID(q->bar2_qid), + (void *)((uintptr_t)q->bar2_addr + + SGE_UDB_KDOORBELL)); + + /* + * This Write memory Barrier will force the write to + * the User Doorbell area to be flushed. + */ + wmb(); + } + q->pend_cred &= 7; + } +} + +static inline void set_rx_sw_desc(struct rx_sw_desc *sd, void *buf, + dma_addr_t mapping) +{ + sd->buf = buf; + sd->dma_addr = mapping; /* includes size low bits */ +} + +/** + * refill_fl_usembufs - refill an SGE Rx buffer ring with mbufs + * @adap: the adapter + * @q: the ring to refill + * @n: the number of new buffers to allocate + * + * (Re)populate an SGE free-buffer queue with up to @n new packet buffers, + * allocated with the supplied gfp flags. The caller must assure that + * @n does not exceed the queue's capacity. If afterwards the queue is + * found critically low mark it as starving in the bitmap of starving FLs. + * + * Returns the number of buffers allocated. + */ +static unsigned int refill_fl_usembufs(struct adapter *adap, struct sge_fl *q, + int n) +{ + struct sge_eth_rxq *rxq = container_of(q, struct sge_eth_rxq, fl); + unsigned int cred = q->avail; + __be64 *d = &q->desc[q->pidx]; + struct rx_sw_desc *sd = &q->sdesc[q->pidx]; + unsigned int buf_size_idx = RX_SMALL_MTU_BUF; + struct rte_mbuf *buf_bulk[n]; + int ret, i; + struct rte_pktmbuf_pool_private *mbp_priv; + u8 jumbo_en = rxq->rspq.eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_JUMBO_FRAME; + + /* Use jumbo mtu buffers if mbuf data room size can fit jumbo data. */ + mbp_priv = rte_mempool_get_priv(rxq->rspq.mb_pool); + if (jumbo_en && + ((mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM) >= 9000)) + buf_size_idx = RX_LARGE_MTU_BUF; + + ret = rte_mempool_get_bulk(rxq->rspq.mb_pool, (void *)buf_bulk, n); + if (unlikely(ret != 0)) { + dev_debug(adap, "%s: failed to allocated fl entries in bulk ..\n", + __func__); + q->alloc_failed++; + rxq->rspq.eth_dev->data->rx_mbuf_alloc_failed++; + goto out; + } + + for (i = 0; i < n; i++) { + struct rte_mbuf *mbuf = buf_bulk[i]; + dma_addr_t mapping; + + if (!mbuf) { + dev_debug(adap, "%s: mbuf alloc failed\n", __func__); + q->alloc_failed++; + rxq->rspq.eth_dev->data->rx_mbuf_alloc_failed++; + goto out; + } + + rte_mbuf_refcnt_set(mbuf, 1); + mbuf->data_off = + (uint16_t)((char *) + RTE_PTR_ALIGN((char *)mbuf->buf_addr + + RTE_PKTMBUF_HEADROOM, + adap->sge.fl_align) - + (char *)mbuf->buf_addr); + mbuf->next = NULL; + mbuf->nb_segs = 1; + mbuf->port = rxq->rspq.port_id; + + mapping = (dma_addr_t)RTE_ALIGN(mbuf->buf_iova + + mbuf->data_off, + adap->sge.fl_align); + mapping |= buf_size_idx; + *d++ = cpu_to_be64(mapping); + set_rx_sw_desc(sd, mbuf, mapping); + sd++; + + q->avail++; + if (++q->pidx == q->size) { + q->pidx = 0; + sd = q->sdesc; + d = q->desc; + } + } + +out: cred = q->avail - cred; + q->pend_cred += cred; + ring_fl_db(adap, q); + + if (unlikely(fl_starving(adap, q))) { + /* + * Make sure data has been written to free list + */ + wmb(); + q->low++; + } + + return cred; +} + +/** + * refill_fl - refill an SGE Rx buffer ring with mbufs + * @adap: the adapter + * @q: the ring to refill + * @n: the number of new buffers to allocate + * + * (Re)populate an SGE free-buffer queue with up to @n new packet buffers, + * allocated with the supplied gfp flags. The caller must assure that + * @n does not exceed the queue's capacity. Returns the number of buffers + * allocated. + */ +static unsigned int refill_fl(struct adapter *adap, struct sge_fl *q, int n) +{ + return refill_fl_usembufs(adap, q, n); +} + +static inline void __refill_fl(struct adapter *adap, struct sge_fl *fl) +{ + refill_fl(adap, fl, min(MAX_RX_REFILL, fl_cap(fl) - fl->avail)); +} + +/* + * Return the number of reclaimable descriptors in a Tx queue. + */ +static inline int reclaimable(const struct sge_txq *q) +{ + int hw_cidx = ntohs(q->stat->cidx); + + hw_cidx -= q->cidx; + if (hw_cidx < 0) + return hw_cidx + q->size; + return hw_cidx; +} + +/** + * reclaim_completed_tx - reclaims completed Tx descriptors + * @q: the Tx queue to reclaim completed descriptors from + * + * Reclaims Tx descriptors that the SGE has indicated it has processed. + */ +void reclaim_completed_tx(struct sge_txq *q) +{ + unsigned int avail = reclaimable(q); + + do { + /* reclaim as much as possible */ + reclaim_tx_desc(q, avail); + q->in_use -= avail; + avail = reclaimable(q); + } while (avail); +} + +/** + * sgl_len - calculates the size of an SGL of the given capacity + * @n: the number of SGL entries + * + * Calculates the number of flits needed for a scatter/gather list that + * can hold the given number of entries. + */ +static inline unsigned int sgl_len(unsigned int n) +{ + /* + * A Direct Scatter Gather List uses 32-bit lengths and 64-bit PCI DMA + * addresses. The DSGL Work Request starts off with a 32-bit DSGL + * ULPTX header, then Length0, then Address0, then, for 1 <= i <= N, + * repeated sequences of { Length[i], Length[i+1], Address[i], + * Address[i+1] } (this ensures that all addresses are on 64-bit + * boundaries). If N is even, then Length[N+1] should be set to 0 and + * Address[N+1] is omitted. + * + * The following calculation incorporates all of the above. It's + * somewhat hard to follow but, briefly: the "+2" accounts for the + * first two flits which include the DSGL header, Length0 and + * Address0; the "(3*(n-1))/2" covers the main body of list entries (3 + * flits for every pair of the remaining N) +1 if (n-1) is odd; and + * finally the "+((n-1)&1)" adds the one remaining flit needed if + * (n-1) is odd ... + */ + n--; + return (3 * n) / 2 + (n & 1) + 2; +} + +/** + * flits_to_desc - returns the num of Tx descriptors for the given flits + * @n: the number of flits + * + * Returns the number of Tx descriptors needed for the supplied number + * of flits. + */ +static inline unsigned int flits_to_desc(unsigned int n) +{ + return DIV_ROUND_UP(n, 8); +} + +/** + * is_eth_imm - can an Ethernet packet be sent as immediate data? + * @m: the packet + * + * Returns whether an Ethernet packet is small enough to fit as + * immediate data. Return value corresponds to the headroom required. + */ +static inline int is_eth_imm(const struct rte_mbuf *m) +{ + unsigned int hdrlen = (m->ol_flags & PKT_TX_TCP_SEG) ? + sizeof(struct cpl_tx_pkt_lso_core) : 0; + + hdrlen += sizeof(struct cpl_tx_pkt); + if (m->pkt_len <= MAX_IMM_TX_PKT_LEN - hdrlen) + return hdrlen; + + return 0; +} + +/** + * calc_tx_flits - calculate the number of flits for a packet Tx WR + * @m: the packet + * @adap: adapter structure pointer + * + * Returns the number of flits needed for a Tx WR for the given Ethernet + * packet, including the needed WR and CPL headers. + */ +static inline unsigned int calc_tx_flits(const struct rte_mbuf *m, + struct adapter *adap) +{ + size_t wr_size = is_pf4(adap) ? sizeof(struct fw_eth_tx_pkt_wr) : + sizeof(struct fw_eth_tx_pkt_vm_wr); + unsigned int flits; + int hdrlen; + + /* + * If the mbuf is small enough, we can pump it out as a work request + * with only immediate data. In that case we just have to have the + * TX Packet header plus the mbuf data in the Work Request. + */ + + hdrlen = is_eth_imm(m); + if (hdrlen) + return DIV_ROUND_UP(m->pkt_len + hdrlen, sizeof(__be64)); + + /* + * Otherwise, we're going to have to construct a Scatter gather list + * of the mbuf body and fragments. We also include the flits necessary + * for the TX Packet Work Request and CPL. We always have a firmware + * Write Header (incorporated as part of the cpl_tx_pkt_lso and + * cpl_tx_pkt structures), followed by either a TX Packet Write CPL + * message or, if we're doing a Large Send Offload, an LSO CPL message + * with an embedded TX Packet Write CPL message. + */ + flits = sgl_len(m->nb_segs); + if (m->tso_segsz) + flits += (wr_size + sizeof(struct cpl_tx_pkt_lso_core) + + sizeof(struct cpl_tx_pkt_core)) / sizeof(__be64); + else + flits += (wr_size + + sizeof(struct cpl_tx_pkt_core)) / sizeof(__be64); + return flits; +} + +/** + * write_sgl - populate a scatter/gather list for a packet + * @mbuf: the packet + * @q: the Tx queue we are writing into + * @sgl: starting location for writing the SGL + * @end: points right after the end of the SGL + * @start: start offset into mbuf main-body data to include in the SGL + * @addr: address of mapped region + * + * Generates a scatter/gather list for the buffers that make up a packet. + * The caller must provide adequate space for the SGL that will be written. + * The SGL includes all of the packet's page fragments and the data in its + * main body except for the first @start bytes. @sgl must be 16-byte + * aligned and within a Tx descriptor with available space. @end points + * write after the end of the SGL but does not account for any potential + * wrap around, i.e., @end > @sgl. + */ +static void write_sgl(struct rte_mbuf *mbuf, struct sge_txq *q, + struct ulptx_sgl *sgl, u64 *end, unsigned int start, + const dma_addr_t *addr) +{ + unsigned int i, len; + struct ulptx_sge_pair *to; + struct rte_mbuf *m = mbuf; + unsigned int nfrags = m->nb_segs; + struct ulptx_sge_pair buf[nfrags / 2]; + + len = m->data_len - start; + sgl->len0 = htonl(len); + sgl->addr0 = rte_cpu_to_be_64(addr[0]); + + sgl->cmd_nsge = htonl(V_ULPTX_CMD(ULP_TX_SC_DSGL) | + V_ULPTX_NSGE(nfrags)); + if (likely(--nfrags == 0)) + return; + /* + * Most of the complexity below deals with the possibility we hit the + * end of the queue in the middle of writing the SGL. For this case + * only we create the SGL in a temporary buffer and then copy it. + */ + to = (u8 *)end > (u8 *)q->stat ? buf : sgl->sge; + + for (i = 0; nfrags >= 2; nfrags -= 2, to++) { + m = m->next; + to->len[0] = rte_cpu_to_be_32(m->data_len); + to->addr[0] = rte_cpu_to_be_64(addr[++i]); + m = m->next; + to->len[1] = rte_cpu_to_be_32(m->data_len); + to->addr[1] = rte_cpu_to_be_64(addr[++i]); + } + if (nfrags) { + m = m->next; + to->len[0] = rte_cpu_to_be_32(m->data_len); + to->len[1] = rte_cpu_to_be_32(0); + to->addr[0] = rte_cpu_to_be_64(addr[i + 1]); + } + if (unlikely((u8 *)end > (u8 *)q->stat)) { + unsigned int part0 = RTE_PTR_DIFF((u8 *)q->stat, + (u8 *)sgl->sge); + unsigned int part1; + + if (likely(part0)) + memcpy(sgl->sge, buf, part0); + part1 = RTE_PTR_DIFF((u8 *)end, (u8 *)q->stat); + rte_memcpy(q->desc, RTE_PTR_ADD((u8 *)buf, part0), part1); + end = RTE_PTR_ADD((void *)q->desc, part1); + } + if ((uintptr_t)end & 8) /* 0-pad to multiple of 16 */ + *(u64 *)end = 0; +} + +#define IDXDIFF(head, tail, wrap) \ + ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head)) + +#define Q_IDXDIFF(q, idx) IDXDIFF((q)->pidx, (q)->idx, (q)->size) +#define R_IDXDIFF(q, idx) IDXDIFF((q)->cidx, (q)->idx, (q)->size) + +#define PIDXDIFF(head, tail, wrap) \ + ((tail) >= (head) ? (tail) - (head) : (wrap) - (head) + (tail)) +#define P_IDXDIFF(q, idx) PIDXDIFF((q)->cidx, idx, (q)->size) + +/** + * ring_tx_db - ring a Tx queue's doorbell + * @adap: the adapter + * @q: the Tx queue + * @n: number of new descriptors to give to HW + * + * Ring the doorbel for a Tx queue. + */ +static inline void ring_tx_db(struct adapter *adap, struct sge_txq *q) +{ + int n = Q_IDXDIFF(q, dbidx); + + /* + * Make sure that all writes to the TX Descriptors are committed + * before we tell the hardware about them. + */ + rte_wmb(); + + /* + * If we don't have access to the new User Doorbell (T5+), use the old + * doorbell mechanism; otherwise use the new BAR2 mechanism. + */ + if (unlikely(!q->bar2_addr)) { + u32 val = V_PIDX(n); + + /* + * For T4 we need to participate in the Doorbell Recovery + * mechanism. + */ + if (!q->db_disabled) + t4_write_reg(adap, MYPF_REG(A_SGE_PF_KDOORBELL), + V_QID(q->cntxt_id) | val); + else + q->db_pidx_inc += n; + q->db_pidx = q->pidx; + } else { + u32 val = V_PIDX_T5(n); + + /* + * T4 and later chips share the same PIDX field offset within + * the doorbell, but T5 and later shrank the field in order to + * gain a bit for Doorbell Priority. The field was absurdly + * large in the first place (14 bits) so we just use the T5 + * and later limits and warn if a Queue ID is too large. + */ + WARN_ON(val & F_DBPRIO); + + writel(val | V_QID(q->bar2_qid), + (void *)((uintptr_t)q->bar2_addr + SGE_UDB_KDOORBELL)); + + /* + * This Write Memory Barrier will force the write to the User + * Doorbell area to be flushed. This is needed to prevent + * writes on different CPUs for the same queue from hitting + * the adapter out of order. This is required when some Work + * Requests take the Write Combine Gather Buffer path (user + * doorbell area offset [SGE_UDB_WCDOORBELL..+63]) and some + * take the traditional path where we simply increment the + * PIDX (User Doorbell area SGE_UDB_KDOORBELL) and have the + * hardware DMA read the actual Work Request. + */ + rte_wmb(); + } + q->dbidx = q->pidx; +} + +/* + * Figure out what HW csum a packet wants and return the appropriate control + * bits. + */ +static u64 hwcsum(enum chip_type chip, const struct rte_mbuf *m) +{ + int csum_type; + + if (m->ol_flags & PKT_TX_IP_CKSUM) { + switch (m->ol_flags & PKT_TX_L4_MASK) { + case PKT_TX_TCP_CKSUM: + csum_type = TX_CSUM_TCPIP; + break; + case PKT_TX_UDP_CKSUM: + csum_type = TX_CSUM_UDPIP; + break; + default: + goto nocsum; + } + } else { + goto nocsum; + } + + if (likely(csum_type >= TX_CSUM_TCPIP)) { + u64 hdr_len = V_TXPKT_IPHDR_LEN(m->l3_len); + int eth_hdr_len = m->l2_len; + + if (CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5) + hdr_len |= V_TXPKT_ETHHDR_LEN(eth_hdr_len); + else + hdr_len |= V_T6_TXPKT_ETHHDR_LEN(eth_hdr_len); + return V_TXPKT_CSUM_TYPE(csum_type) | hdr_len; + } +nocsum: + /* + * unknown protocol, disable HW csum + * and hope a bad packet is detected + */ + return F_TXPKT_L4CSUM_DIS; +} + +static inline void txq_advance(struct sge_txq *q, unsigned int n) +{ + q->in_use += n; + q->pidx += n; + if (q->pidx >= q->size) + q->pidx -= q->size; +} + +#define MAX_COALESCE_LEN 64000 + +static inline int wraps_around(struct sge_txq *q, int ndesc) +{ + return (q->pidx + ndesc) > q->size ? 1 : 0; +} + +static void tx_timer_cb(void *data) +{ + struct adapter *adap = (struct adapter *)data; + struct sge_eth_txq *txq = &adap->sge.ethtxq[0]; + int i; + unsigned int coal_idx; + + /* monitor any pending tx */ + for (i = 0; i < adap->sge.max_ethqsets; i++, txq++) { + if (t4_os_trylock(&txq->txq_lock)) { + coal_idx = txq->q.coalesce.idx; + if (coal_idx) { + if (coal_idx == txq->q.last_coal_idx && + txq->q.pidx == txq->q.last_pidx) { + ship_tx_pkt_coalesce_wr(adap, txq); + } else { + txq->q.last_coal_idx = coal_idx; + txq->q.last_pidx = txq->q.pidx; + } + } + t4_os_unlock(&txq->txq_lock); + } + } + rte_eal_alarm_set(50, tx_timer_cb, (void *)adap); +} + +/** + * ship_tx_pkt_coalesce_wr - finalizes and ships a coalesce WR + * @ adap: adapter structure + * @txq: tx queue + * + * writes the different fields of the pkts WR and sends it. + */ +static inline void ship_tx_pkt_coalesce_wr(struct adapter *adap, + struct sge_eth_txq *txq) +{ + struct fw_eth_tx_pkts_vm_wr *vmwr; + const size_t fw_hdr_copy_len = (sizeof(vmwr->ethmacdst) + + sizeof(vmwr->ethmacsrc) + + sizeof(vmwr->ethtype) + + sizeof(vmwr->vlantci)); + struct fw_eth_tx_pkts_wr *wr; + struct sge_txq *q = &txq->q; + unsigned int ndesc; + u32 wr_mid; + + /* fill the pkts WR header */ + wr = (void *)&q->desc[q->pidx]; + wr->op_pkd = htonl(V_FW_WR_OP(FW_ETH_TX_PKTS2_WR)); + vmwr = (void *)&q->desc[q->pidx]; + + wr_mid = V_FW_WR_LEN16(DIV_ROUND_UP(q->coalesce.flits, 2)); + ndesc = flits_to_desc(q->coalesce.flits); + wr->equiq_to_len16 = htonl(wr_mid); + wr->plen = cpu_to_be16(q->coalesce.len); + wr->npkt = q->coalesce.idx; + wr->r3 = 0; + if (is_pf4(adap)) { + wr->op_pkd = htonl(V_FW_WR_OP(FW_ETH_TX_PKTS2_WR)); + wr->type = q->coalesce.type; + } else { + wr->op_pkd = htonl(V_FW_WR_OP(FW_ETH_TX_PKTS_VM_WR)); + vmwr->r4 = 0; + memcpy((void *)vmwr->ethmacdst, (void *)q->coalesce.ethmacdst, + fw_hdr_copy_len); + } + + /* zero out coalesce structure members */ + memset((void *)&q->coalesce, 0, sizeof(struct eth_coalesce)); + + txq_advance(q, ndesc); + txq->stats.coal_wr++; + txq->stats.coal_pkts += wr->npkt; + + if (Q_IDXDIFF(q, equeidx) >= q->size / 2) { + q->equeidx = q->pidx; + wr_mid |= F_FW_WR_EQUEQ; + wr->equiq_to_len16 = htonl(wr_mid); + } + ring_tx_db(adap, q); +} + +/** + * should_tx_packet_coalesce - decides wether to coalesce an mbuf or not + * @txq: tx queue where the mbuf is sent + * @mbuf: mbuf to be sent + * @nflits: return value for number of flits needed + * @adap: adapter structure + * + * This function decides if a packet should be coalesced or not. + */ +static inline int should_tx_packet_coalesce(struct sge_eth_txq *txq, + struct rte_mbuf *mbuf, + unsigned int *nflits, + struct adapter *adap) +{ + struct fw_eth_tx_pkts_vm_wr *wr; + const size_t fw_hdr_copy_len = (sizeof(wr->ethmacdst) + + sizeof(wr->ethmacsrc) + + sizeof(wr->ethtype) + + sizeof(wr->vlantci)); + struct sge_txq *q = &txq->q; + unsigned int flits, ndesc; + unsigned char type = 0; + int credits, wr_size; + + /* use coal WR type 1 when no frags are present */ + type = (mbuf->nb_segs == 1) ? 1 : 0; + if (!is_pf4(adap)) { + if (!type) + return 0; + + if (q->coalesce.idx && memcmp((void *)q->coalesce.ethmacdst, + rte_pktmbuf_mtod(mbuf, void *), + fw_hdr_copy_len)) + ship_tx_pkt_coalesce_wr(adap, txq); + } + + if (unlikely(type != q->coalesce.type && q->coalesce.idx)) + ship_tx_pkt_coalesce_wr(adap, txq); + + /* calculate the number of flits required for coalescing this packet + * without the 2 flits of the WR header. These are added further down + * if we are just starting in new PKTS WR. sgl_len doesn't account for + * the possible 16 bytes alignment ULP TX commands so we do it here. + */ + flits = (sgl_len(mbuf->nb_segs) + 1) & ~1U; + if (type == 0) + flits += (sizeof(struct ulp_txpkt) + + sizeof(struct ulptx_idata)) / sizeof(__be64); + flits += sizeof(struct cpl_tx_pkt_core) / sizeof(__be64); + *nflits = flits; + + /* If coalescing is on, the mbuf is added to a pkts WR */ + if (q->coalesce.idx) { + ndesc = DIV_ROUND_UP(q->coalesce.flits + flits, 8); + credits = txq_avail(q) - ndesc; + + /* If we are wrapping or this is last mbuf then, send the + * already coalesced mbufs and let the non-coalesce pass + * handle the mbuf. + */ + if (unlikely(credits < 0 || wraps_around(q, ndesc))) { + ship_tx_pkt_coalesce_wr(adap, txq); + return 0; + } + + /* If the max coalesce len or the max WR len is reached + * ship the WR and keep coalescing on. + */ + if (unlikely((q->coalesce.len + mbuf->pkt_len > + MAX_COALESCE_LEN) || + (q->coalesce.flits + flits > + q->coalesce.max))) { + ship_tx_pkt_coalesce_wr(adap, txq); + goto new; + } + return 1; + } + +new: + /* start a new pkts WR, the WR header is not filled below */ + wr_size = is_pf4(adap) ? sizeof(struct fw_eth_tx_pkts_wr) : + sizeof(struct fw_eth_tx_pkts_vm_wr); + flits += wr_size / sizeof(__be64); + ndesc = flits_to_desc(q->coalesce.flits + flits); + credits = txq_avail(q) - ndesc; + + if (unlikely(credits < 0 || wraps_around(q, ndesc))) + return 0; + q->coalesce.flits += wr_size / sizeof(__be64); + q->coalesce.type = type; + q->coalesce.ptr = (unsigned char *)&q->desc[q->pidx] + + q->coalesce.flits * sizeof(__be64); + if (!is_pf4(adap)) + memcpy((void *)q->coalesce.ethmacdst, + rte_pktmbuf_mtod(mbuf, void *), fw_hdr_copy_len); + return 1; +} + +/** + * tx_do_packet_coalesce - add an mbuf to a coalesce WR + * @txq: sge_eth_txq used send the mbuf + * @mbuf: mbuf to be sent + * @flits: flits needed for this mbuf + * @adap: adapter structure + * @pi: port_info structure + * @addr: mapped address of the mbuf + * + * Adds an mbuf to be sent as part of a coalesce WR by filling a + * ulp_tx_pkt command, ulp_tx_sc_imm command, cpl message and + * ulp_tx_sc_dsgl command. + */ +static inline int tx_do_packet_coalesce(struct sge_eth_txq *txq, + struct rte_mbuf *mbuf, + int flits, struct adapter *adap, + const struct port_info *pi, + dma_addr_t *addr, uint16_t nb_pkts) +{ + u64 cntrl, *end; + struct sge_txq *q = &txq->q; + struct ulp_txpkt *mc; + struct ulptx_idata *sc_imm; + struct cpl_tx_pkt_core *cpl; + struct tx_sw_desc *sd; + unsigned int idx = q->coalesce.idx, len = mbuf->pkt_len; + + if (q->coalesce.type == 0) { + mc = (struct ulp_txpkt *)q->coalesce.ptr; + mc->cmd_dest = htonl(V_ULPTX_CMD(4) | V_ULP_TXPKT_DEST(0) | + V_ULP_TXPKT_FID(adap->sge.fw_evtq.cntxt_id) | + F_ULP_TXPKT_RO); + mc->len = htonl(DIV_ROUND_UP(flits, 2)); + sc_imm = (struct ulptx_idata *)(mc + 1); + sc_imm->cmd_more = htonl(V_ULPTX_CMD(ULP_TX_SC_IMM) | + F_ULP_TX_SC_MORE); + sc_imm->len = htonl(sizeof(*cpl)); + end = (u64 *)mc + flits; + cpl = (struct cpl_tx_pkt_core *)(sc_imm + 1); + } else { + end = (u64 *)q->coalesce.ptr + flits; + cpl = (struct cpl_tx_pkt_core *)q->coalesce.ptr; + } + + /* update coalesce structure for this txq */ + q->coalesce.flits += flits; + q->coalesce.ptr += flits * sizeof(__be64); + q->coalesce.len += mbuf->pkt_len; + + /* fill the cpl message, same as in t4_eth_xmit, this should be kept + * similar to t4_eth_xmit + */ + if (mbuf->ol_flags & PKT_TX_IP_CKSUM) { + cntrl = hwcsum(adap->params.chip, mbuf) | + F_TXPKT_IPCSUM_DIS; + txq->stats.tx_cso++; + } else { + cntrl = F_TXPKT_L4CSUM_DIS | F_TXPKT_IPCSUM_DIS; + } + + if (mbuf->ol_flags & PKT_TX_VLAN_PKT) { + txq->stats.vlan_ins++; + cntrl |= F_TXPKT_VLAN_VLD | V_TXPKT_VLAN(mbuf->vlan_tci); + } + + cpl->ctrl0 = htonl(V_TXPKT_OPCODE(CPL_TX_PKT_XT)); + if (is_pf4(adap)) + cpl->ctrl0 |= htonl(V_TXPKT_INTF(pi->tx_chan) | + V_TXPKT_PF(adap->pf)); + else + cpl->ctrl0 |= htonl(V_TXPKT_INTF(pi->port_id)); + cpl->pack = htons(0); + cpl->len = htons(len); + cpl->ctrl1 = cpu_to_be64(cntrl); + write_sgl(mbuf, q, (struct ulptx_sgl *)(cpl + 1), end, 0, addr); + txq->stats.pkts++; + txq->stats.tx_bytes += len; + + sd = &q->sdesc[q->pidx + (idx >> 1)]; + if (!(idx & 1)) { + if (sd->coalesce.idx) { + int i; + + for (i = 0; i < sd->coalesce.idx; i++) { + rte_pktmbuf_free(sd->coalesce.mbuf[i]); + sd->coalesce.mbuf[i] = NULL; + } + } + } + + /* store pointers to the mbuf and the sgl used in free_tx_desc. + * each tx desc can hold two pointers corresponding to the value + * of ETH_COALESCE_PKT_PER_DESC + */ + sd->coalesce.mbuf[idx & 1] = mbuf; + sd->coalesce.sgl[idx & 1] = (struct ulptx_sgl *)(cpl + 1); + sd->coalesce.idx = (idx & 1) + 1; + + /* Send the coalesced work request, only if max reached. However, + * if lower latency is preferred over throughput, then don't wait + * for coalescing the next Tx burst and send the packets now. + */ + q->coalesce.idx++; + if (q->coalesce.idx == adap->params.max_tx_coalesce_num || + (adap->devargs.tx_mode_latency && q->coalesce.idx >= nb_pkts)) + ship_tx_pkt_coalesce_wr(adap, txq); + + return 0; +} + +/** + * t4_eth_xmit - add a packet to an Ethernet Tx queue + * @txq: the egress queue + * @mbuf: the packet + * + * Add a packet to an SGE Ethernet Tx queue. Runs with softirqs disabled. + */ +int t4_eth_xmit(struct sge_eth_txq *txq, struct rte_mbuf *mbuf, + uint16_t nb_pkts) +{ + const struct port_info *pi; + struct cpl_tx_pkt_lso_core *lso; + struct adapter *adap; + struct rte_mbuf *m = mbuf; + struct fw_eth_tx_pkt_wr *wr; + struct fw_eth_tx_pkt_vm_wr *vmwr; + struct cpl_tx_pkt_core *cpl; + struct tx_sw_desc *d; + dma_addr_t addr[m->nb_segs]; + unsigned int flits, ndesc, cflits; + int l3hdr_len, l4hdr_len, eth_xtra_len; + int len, last_desc; + int credits; + u32 wr_mid; + u64 cntrl, *end; + bool v6; + u32 max_pkt_len = txq->data->dev_conf.rxmode.max_rx_pkt_len; + + /* Reject xmit if queue is stopped */ + if (unlikely(txq->flags & EQ_STOPPED)) + return -(EBUSY); + + /* + * The chip min packet length is 10 octets but play safe and reject + * anything shorter than an Ethernet header. + */ + if (unlikely(m->pkt_len < RTE_ETHER_HDR_LEN)) { +out_free: + rte_pktmbuf_free(m); + return 0; + } + + if ((!(m->ol_flags & PKT_TX_TCP_SEG)) && + (unlikely(m->pkt_len > max_pkt_len))) + goto out_free; + + pi = txq->data->dev_private; + adap = pi->adapter; + + cntrl = F_TXPKT_L4CSUM_DIS | F_TXPKT_IPCSUM_DIS; + /* align the end of coalesce WR to a 512 byte boundary */ + txq->q.coalesce.max = (8 - (txq->q.pidx & 7)) * 8; + + if (!((m->ol_flags & PKT_TX_TCP_SEG) || + m->pkt_len > RTE_ETHER_MAX_LEN)) { + if (should_tx_packet_coalesce(txq, mbuf, &cflits, adap)) { + if (unlikely(map_mbuf(mbuf, addr) < 0)) { + dev_warn(adap, "%s: mapping err for coalesce\n", + __func__); + txq->stats.mapping_err++; + goto out_free; + } + return tx_do_packet_coalesce(txq, mbuf, cflits, adap, + pi, addr, nb_pkts); + } else { + return -EBUSY; + } + } + + if (txq->q.coalesce.idx) + ship_tx_pkt_coalesce_wr(adap, txq); + + flits = calc_tx_flits(m, adap); + ndesc = flits_to_desc(flits); + credits = txq_avail(&txq->q) - ndesc; + + if (unlikely(credits < 0)) { + dev_debug(adap, "%s: Tx ring %u full; credits = %d\n", + __func__, txq->q.cntxt_id, credits); + return -EBUSY; + } + + if (unlikely(map_mbuf(m, addr) < 0)) { + txq->stats.mapping_err++; + goto out_free; + } + + wr_mid = V_FW_WR_LEN16(DIV_ROUND_UP(flits, 2)); + if (Q_IDXDIFF(&txq->q, equeidx) >= 64) { + txq->q.equeidx = txq->q.pidx; + wr_mid |= F_FW_WR_EQUEQ; + } + + wr = (void *)&txq->q.desc[txq->q.pidx]; + vmwr = (void *)&txq->q.desc[txq->q.pidx]; + wr->equiq_to_len16 = htonl(wr_mid); + if (is_pf4(adap)) { + wr->r3 = rte_cpu_to_be_64(0); + end = (u64 *)wr + flits; + } else { + const size_t fw_hdr_copy_len = (sizeof(vmwr->ethmacdst) + + sizeof(vmwr->ethmacsrc) + + sizeof(vmwr->ethtype) + + sizeof(vmwr->vlantci)); + + vmwr->r3[0] = rte_cpu_to_be_32(0); + vmwr->r3[1] = rte_cpu_to_be_32(0); + memcpy((void *)vmwr->ethmacdst, rte_pktmbuf_mtod(m, void *), + fw_hdr_copy_len); + end = (u64 *)vmwr + flits; + } + + len = 0; + len += sizeof(*cpl); + + /* Coalescing skipped and we send through normal path */ + if (!(m->ol_flags & PKT_TX_TCP_SEG)) { + wr->op_immdlen = htonl(V_FW_WR_OP(is_pf4(adap) ? + FW_ETH_TX_PKT_WR : + FW_ETH_TX_PKT_VM_WR) | + V_FW_WR_IMMDLEN(len)); + if (is_pf4(adap)) + cpl = (void *)(wr + 1); + else + cpl = (void *)(vmwr + 1); + if (m->ol_flags & PKT_TX_IP_CKSUM) { + cntrl = hwcsum(adap->params.chip, m) | + F_TXPKT_IPCSUM_DIS; + txq->stats.tx_cso++; + } + } else { + if (is_pf4(adap)) + lso = (void *)(wr + 1); + else + lso = (void *)(vmwr + 1); + v6 = (m->ol_flags & PKT_TX_IPV6) != 0; + l3hdr_len = m->l3_len; + l4hdr_len = m->l4_len; + eth_xtra_len = m->l2_len - RTE_ETHER_HDR_LEN; + len += sizeof(*lso); + wr->op_immdlen = htonl(V_FW_WR_OP(is_pf4(adap) ? + FW_ETH_TX_PKT_WR : + FW_ETH_TX_PKT_VM_WR) | + V_FW_WR_IMMDLEN(len)); + lso->lso_ctrl = htonl(V_LSO_OPCODE(CPL_TX_PKT_LSO) | + F_LSO_FIRST_SLICE | F_LSO_LAST_SLICE | + V_LSO_IPV6(v6) | + V_LSO_ETHHDR_LEN(eth_xtra_len / 4) | + V_LSO_IPHDR_LEN(l3hdr_len / 4) | + V_LSO_TCPHDR_LEN(l4hdr_len / 4)); + lso->ipid_ofst = htons(0); + lso->mss = htons(m->tso_segsz); + lso->seqno_offset = htonl(0); + if (is_t4(adap->params.chip)) + lso->len = htonl(m->pkt_len); + else + lso->len = htonl(V_LSO_T5_XFER_SIZE(m->pkt_len)); + cpl = (void *)(lso + 1); + + if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) + cntrl = V_TXPKT_ETHHDR_LEN(eth_xtra_len); + else + cntrl = V_T6_TXPKT_ETHHDR_LEN(eth_xtra_len); + + cntrl |= V_TXPKT_CSUM_TYPE(v6 ? TX_CSUM_TCPIP6 : + TX_CSUM_TCPIP) | + V_TXPKT_IPHDR_LEN(l3hdr_len); + txq->stats.tso++; + txq->stats.tx_cso += m->tso_segsz; + } + + if (m->ol_flags & PKT_TX_VLAN_PKT) { + txq->stats.vlan_ins++; + cntrl |= F_TXPKT_VLAN_VLD | V_TXPKT_VLAN(m->vlan_tci); + } + + cpl->ctrl0 = htonl(V_TXPKT_OPCODE(CPL_TX_PKT_XT)); + if (is_pf4(adap)) + cpl->ctrl0 |= htonl(V_TXPKT_INTF(pi->tx_chan) | + V_TXPKT_PF(adap->pf)); + else + cpl->ctrl0 |= htonl(V_TXPKT_INTF(pi->port_id) | + V_TXPKT_PF(0)); + + cpl->pack = htons(0); + cpl->len = htons(m->pkt_len); + cpl->ctrl1 = cpu_to_be64(cntrl); + + txq->stats.pkts++; + txq->stats.tx_bytes += m->pkt_len; + last_desc = txq->q.pidx + ndesc - 1; + if (last_desc >= (int)txq->q.size) + last_desc -= txq->q.size; + + d = &txq->q.sdesc[last_desc]; + if (d->coalesce.idx) { + int i; + + for (i = 0; i < d->coalesce.idx; i++) { + rte_pktmbuf_free(d->coalesce.mbuf[i]); + d->coalesce.mbuf[i] = NULL; + } + d->coalesce.idx = 0; + } + write_sgl(m, &txq->q, (struct ulptx_sgl *)(cpl + 1), end, 0, + addr); + txq->q.sdesc[last_desc].mbuf = m; + txq->q.sdesc[last_desc].sgl = (struct ulptx_sgl *)(cpl + 1); + txq_advance(&txq->q, ndesc); + ring_tx_db(adap, &txq->q); + return 0; +} + +/** + * reclaim_completed_tx_imm - reclaim completed control-queue Tx descs + * @q: the SGE control Tx queue + * + * This is a variant of reclaim_completed_tx() that is used for Tx queues + * that send only immediate data (presently just the control queues) and + * thus do not have any mbufs to release. + */ +static inline void reclaim_completed_tx_imm(struct sge_txq *q) +{ + int hw_cidx = ntohs(q->stat->cidx); + int reclaim = hw_cidx - q->cidx; + + if (reclaim < 0) + reclaim += q->size; + + q->in_use -= reclaim; + q->cidx = hw_cidx; +} + +/** + * is_imm - check whether a packet can be sent as immediate data + * @mbuf: the packet + * + * Returns true if a packet can be sent as a WR with immediate data. + */ +static inline int is_imm(const struct rte_mbuf *mbuf) +{ + return mbuf->pkt_len <= MAX_CTRL_WR_LEN; +} + +/** + * inline_tx_mbuf: inline a packet's data into TX descriptors + * @q: the TX queue where the packet will be inlined + * @from: pointer to data portion of packet + * @to: pointer after cpl where data has to be inlined + * @len: length of data to inline + * + * Inline a packet's contents directly to TX descriptors, starting at + * the given position within the TX DMA ring. + * Most of the complexity of this operation is dealing with wrap arounds + * in the middle of the packet we want to inline. + */ +static void inline_tx_mbuf(const struct sge_txq *q, caddr_t from, caddr_t *to, + int len) +{ + int left = RTE_PTR_DIFF(q->stat, *to); + + if (likely((uintptr_t)*to + len <= (uintptr_t)q->stat)) { + rte_memcpy(*to, from, len); + *to = RTE_PTR_ADD(*to, len); + } else { + rte_memcpy(*to, from, left); + from = RTE_PTR_ADD(from, left); + left = len - left; + rte_memcpy((void *)q->desc, from, left); + *to = RTE_PTR_ADD((void *)q->desc, left); + } +} + +/** + * ctrl_xmit - send a packet through an SGE control Tx queue + * @q: the control queue + * @mbuf: the packet + * + * Send a packet through an SGE control Tx queue. Packets sent through + * a control queue must fit entirely as immediate data. + */ +static int ctrl_xmit(struct sge_ctrl_txq *q, struct rte_mbuf *mbuf) +{ + unsigned int ndesc; + struct fw_wr_hdr *wr; + caddr_t dst; + + if (unlikely(!is_imm(mbuf))) { + WARN_ON(1); + rte_pktmbuf_free(mbuf); + return -1; + } + + reclaim_completed_tx_imm(&q->q); + ndesc = DIV_ROUND_UP(mbuf->pkt_len, sizeof(struct tx_desc)); + t4_os_lock(&q->ctrlq_lock); + + q->full = txq_avail(&q->q) < ndesc ? 1 : 0; + if (unlikely(q->full)) { + t4_os_unlock(&q->ctrlq_lock); + return -1; + } + + wr = (struct fw_wr_hdr *)&q->q.desc[q->q.pidx]; + dst = (void *)wr; + inline_tx_mbuf(&q->q, rte_pktmbuf_mtod(mbuf, caddr_t), + &dst, mbuf->data_len); + + txq_advance(&q->q, ndesc); + if (unlikely(txq_avail(&q->q) < 64)) + wr->lo |= htonl(F_FW_WR_EQUEQ); + + q->txp++; + + ring_tx_db(q->adapter, &q->q); + t4_os_unlock(&q->ctrlq_lock); + + rte_pktmbuf_free(mbuf); + return 0; +} + +/** + * t4_mgmt_tx - send a management message + * @q: the control queue + * @mbuf: the packet containing the management message + * + * Send a management message through control queue. + */ +int t4_mgmt_tx(struct sge_ctrl_txq *q, struct rte_mbuf *mbuf) +{ + return ctrl_xmit(q, mbuf); +} + +/** + * alloc_ring - allocate resources for an SGE descriptor ring + * @dev: the PCI device's core device + * @nelem: the number of descriptors + * @elem_size: the size of each descriptor + * @sw_size: the size of the SW state associated with each ring element + * @phys: the physical address of the allocated ring + * @metadata: address of the array holding the SW state for the ring + * @stat_size: extra space in HW ring for status information + * @node: preferred node for memory allocations + * + * Allocates resources for an SGE descriptor ring, such as Tx queues, + * free buffer lists, or response queues. Each SGE ring requires + * space for its HW descriptors plus, optionally, space for the SW state + * associated with each HW entry (the metadata). The function returns + * three values: the virtual address for the HW ring (the return value + * of the function), the bus address of the HW ring, and the address + * of the SW ring. + */ +static void *alloc_ring(size_t nelem, size_t elem_size, + size_t sw_size, dma_addr_t *phys, void *metadata, + size_t stat_size, __rte_unused uint16_t queue_id, + int socket_id, const char *z_name, + const char *z_name_sw) +{ + size_t len = CXGBE_MAX_RING_DESC_SIZE * elem_size + stat_size; + const struct rte_memzone *tz; + void *s = NULL; + + dev_debug(adapter, "%s: nelem = %zu; elem_size = %zu; sw_size = %zu; " + "stat_size = %zu; queue_id = %u; socket_id = %d; z_name = %s;" + " z_name_sw = %s\n", __func__, nelem, elem_size, sw_size, + stat_size, queue_id, socket_id, z_name, z_name_sw); + + tz = rte_memzone_lookup(z_name); + if (tz) { + dev_debug(adapter, "%s: tz exists...returning existing..\n", + __func__); + goto alloc_sw_ring; + } + + /* + * Allocate TX/RX ring hardware descriptors. A memzone large enough to + * handle the maximum ring size is allocated in order to allow for + * resizing in later calls to the queue setup function. + */ + tz = rte_memzone_reserve_aligned(z_name, len, socket_id, + RTE_MEMZONE_IOVA_CONTIG, 4096); + if (!tz) + return NULL; + +alloc_sw_ring: + memset(tz->addr, 0, len); + if (sw_size) { + s = rte_zmalloc_socket(z_name_sw, nelem * sw_size, + RTE_CACHE_LINE_SIZE, socket_id); + + if (!s) { + dev_err(adapter, "%s: failed to get sw_ring memory\n", + __func__); + return NULL; + } + } + if (metadata) + *(void **)metadata = s; + + *phys = (uint64_t)tz->iova; + return tz->addr; +} + +#define CXGB4_MSG_AN ((void *)1) + +/** + * rspq_next - advance to the next entry in a response queue + * @q: the queue + * + * Updates the state of a response queue to advance it to the next entry. + */ +static inline void rspq_next(struct sge_rspq *q) +{ + q->cur_desc = (const __be64 *)((const char *)q->cur_desc + q->iqe_len); + if (unlikely(++q->cidx == q->size)) { + q->cidx = 0; + q->gen ^= 1; + q->cur_desc = q->desc; + } +} + +static inline void cxgbe_set_mbuf_info(struct rte_mbuf *pkt, uint32_t ptype, + uint64_t ol_flags) +{ + pkt->packet_type |= ptype; + pkt->ol_flags |= ol_flags; +} + +static inline void cxgbe_fill_mbuf_info(struct adapter *adap, + const struct cpl_rx_pkt *cpl, + struct rte_mbuf *pkt) +{ + bool csum_ok; + u16 err_vec; + + if (adap->params.tp.rx_pkt_encap) + err_vec = G_T6_COMPR_RXERR_VEC(ntohs(cpl->err_vec)); + else + err_vec = ntohs(cpl->err_vec); + + csum_ok = cpl->csum_calc && !err_vec; + + if (cpl->vlan_ex) + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L2_ETHER_VLAN, + PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED); + else + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L2_ETHER, 0); + + if (cpl->l2info & htonl(F_RXF_IP)) + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L3_IPV4, + csum_ok ? PKT_RX_IP_CKSUM_GOOD : + PKT_RX_IP_CKSUM_BAD); + else if (cpl->l2info & htonl(F_RXF_IP6)) + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L3_IPV6, + csum_ok ? PKT_RX_IP_CKSUM_GOOD : + PKT_RX_IP_CKSUM_BAD); + + if (cpl->l2info & htonl(F_RXF_TCP)) + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L4_TCP, + csum_ok ? PKT_RX_L4_CKSUM_GOOD : + PKT_RX_L4_CKSUM_BAD); + else if (cpl->l2info & htonl(F_RXF_UDP)) + cxgbe_set_mbuf_info(pkt, RTE_PTYPE_L4_UDP, + csum_ok ? PKT_RX_L4_CKSUM_GOOD : + PKT_RX_L4_CKSUM_BAD); +} + +/** + * process_responses - process responses from an SGE response queue + * @q: the ingress queue to process + * @budget: how many responses can be processed in this round + * @rx_pkts: mbuf to put the pkts + * + * Process responses from an SGE response queue up to the supplied budget. + * Responses include received packets as well as control messages from FW + * or HW. + * + * Additionally choose the interrupt holdoff time for the next interrupt + * on this queue. If the system is under memory shortage use a fairly + * long delay to help recovery. + */ +static int process_responses(struct sge_rspq *q, int budget, + struct rte_mbuf **rx_pkts) +{ + int ret = 0, rsp_type; + int budget_left = budget; + const struct rsp_ctrl *rc; + struct sge_eth_rxq *rxq = container_of(q, struct sge_eth_rxq, rspq); + + while (likely(budget_left)) { + if (q->cidx == ntohs(q->stat->pidx)) + break; + + rc = (const struct rsp_ctrl *) + ((const char *)q->cur_desc + (q->iqe_len - sizeof(*rc))); + + /* + * Ensure response has been read + */ + rmb(); + rsp_type = G_RSPD_TYPE(rc->u.type_gen); + + if (likely(rsp_type == X_RSPD_TYPE_FLBUF)) { + struct sge *s = &q->adapter->sge; + unsigned int stat_pidx; + int stat_pidx_diff; + + stat_pidx = ntohs(q->stat->pidx); + stat_pidx_diff = P_IDXDIFF(q, stat_pidx); + while (stat_pidx_diff && budget_left) { + const struct rx_sw_desc *rsd = + &rxq->fl.sdesc[rxq->fl.cidx]; + const struct rss_header *rss_hdr = + (const void *)q->cur_desc; + const struct cpl_rx_pkt *cpl = + (const void *)&q->cur_desc[1]; + struct rte_mbuf *pkt, *npkt; + u32 len, bufsz; + + rc = (const struct rsp_ctrl *) + ((const char *)q->cur_desc + + (q->iqe_len - sizeof(*rc))); + + rsp_type = G_RSPD_TYPE(rc->u.type_gen); + if (unlikely(rsp_type != X_RSPD_TYPE_FLBUF)) + break; + + len = ntohl(rc->pldbuflen_qid); + BUG_ON(!(len & F_RSPD_NEWBUF)); + pkt = rsd->buf; + npkt = pkt; + len = G_RSPD_LEN(len); + pkt->pkt_len = len; + + /* Chain mbufs into len if necessary */ + while (len) { + struct rte_mbuf *new_pkt = rsd->buf; + + bufsz = min(get_buf_size(q->adapter, + rsd), len); + new_pkt->data_len = bufsz; + unmap_rx_buf(&rxq->fl); + len -= bufsz; + npkt->next = new_pkt; + npkt = new_pkt; + pkt->nb_segs++; + rsd = &rxq->fl.sdesc[rxq->fl.cidx]; + } + npkt->next = NULL; + pkt->nb_segs--; + + cxgbe_fill_mbuf_info(q->adapter, cpl, pkt); + + if (!rss_hdr->filter_tid && + rss_hdr->hash_type) { + pkt->ol_flags |= PKT_RX_RSS_HASH; + pkt->hash.rss = + ntohl(rss_hdr->hash_val); + } + + if (cpl->vlan_ex) + pkt->vlan_tci = ntohs(cpl->vlan); + + rte_pktmbuf_adj(pkt, s->pktshift); + rxq->stats.pkts++; + rxq->stats.rx_bytes += pkt->pkt_len; + rx_pkts[budget - budget_left] = pkt; + + rspq_next(q); + budget_left--; + stat_pidx_diff--; + } + continue; + } else if (likely(rsp_type == X_RSPD_TYPE_CPL)) { + ret = q->handler(q, q->cur_desc, NULL); + } else { + ret = q->handler(q, (const __be64 *)rc, CXGB4_MSG_AN); + } + + if (unlikely(ret)) { + /* couldn't process descriptor, back off for recovery */ + q->next_intr_params = V_QINTR_TIMER_IDX(NOMEM_TMR_IDX); + break; + } + + rspq_next(q); + budget_left--; + } + + /* + * If this is a Response Queue with an associated Free List and + * there's room for another chunk of new Free List buffer pointers, + * refill the Free List. + */ + + if (q->offset >= 0 && fl_cap(&rxq->fl) - rxq->fl.avail >= 64) + __refill_fl(q->adapter, &rxq->fl); + + return budget - budget_left; +} + +int cxgbe_poll(struct sge_rspq *q, struct rte_mbuf **rx_pkts, + unsigned int budget, unsigned int *work_done) +{ + struct sge_eth_rxq *rxq = container_of(q, struct sge_eth_rxq, rspq); + unsigned int cidx_inc; + unsigned int params; + u32 val; + + *work_done = process_responses(q, budget, rx_pkts); + + if (*work_done) { + cidx_inc = R_IDXDIFF(q, gts_idx); + + if (q->offset >= 0 && fl_cap(&rxq->fl) - rxq->fl.avail >= 64) + __refill_fl(q->adapter, &rxq->fl); + + params = q->intr_params; + q->next_intr_params = params; + val = V_CIDXINC(cidx_inc) | V_SEINTARM(params); + + if (unlikely(!q->bar2_addr)) { + u32 reg = is_pf4(q->adapter) ? MYPF_REG(A_SGE_PF_GTS) : + T4VF_SGE_BASE_ADDR + + A_SGE_VF_GTS; + + t4_write_reg(q->adapter, reg, + val | V_INGRESSQID((u32)q->cntxt_id)); + } else { + writel(val | V_INGRESSQID(q->bar2_qid), + (void *)((uintptr_t)q->bar2_addr + SGE_UDB_GTS)); + /* This Write memory Barrier will force the + * write to the User Doorbell area to be + * flushed. + */ + wmb(); + } + q->gts_idx = q->cidx; + } + return 0; +} + +/** + * bar2_address - return the BAR2 address for an SGE Queue's Registers + * @adapter: the adapter + * @qid: the SGE Queue ID + * @qtype: the SGE Queue Type (Egress or Ingress) + * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues + * + * Returns the BAR2 address for the SGE Queue Registers associated with + * @qid. If BAR2 SGE Registers aren't available, returns NULL. Also + * returns the BAR2 Queue ID to be used with writes to the BAR2 SGE + * Queue Registers. If the BAR2 Queue ID is 0, then "Inferred Queue ID" + * Registers are supported (e.g. the Write Combining Doorbell Buffer). + */ +static void __iomem *bar2_address(struct adapter *adapter, unsigned int qid, + enum t4_bar2_qtype qtype, + unsigned int *pbar2_qid) +{ + u64 bar2_qoffset; + int ret; + + ret = t4_bar2_sge_qregs(adapter, qid, qtype, &bar2_qoffset, pbar2_qid); + if (ret) + return NULL; + + return adapter->bar2 + bar2_qoffset; +} + +int t4_sge_eth_rxq_start(struct adapter *adap, struct sge_rspq *rq) +{ + struct sge_eth_rxq *rxq = container_of(rq, struct sge_eth_rxq, rspq); + unsigned int fl_id = rxq->fl.size ? rxq->fl.cntxt_id : 0xffff; + + return t4_iq_start_stop(adap, adap->mbox, true, adap->pf, 0, + rq->cntxt_id, fl_id, 0xffff); +} + +int t4_sge_eth_rxq_stop(struct adapter *adap, struct sge_rspq *rq) +{ + struct sge_eth_rxq *rxq = container_of(rq, struct sge_eth_rxq, rspq); + unsigned int fl_id = rxq->fl.size ? rxq->fl.cntxt_id : 0xffff; + + return t4_iq_start_stop(adap, adap->mbox, false, adap->pf, 0, + rq->cntxt_id, fl_id, 0xffff); +} + +/* + * @intr_idx: MSI/MSI-X vector if >=0, -(absolute qid + 1) if < 0 + * @cong: < 0 -> no congestion feedback, >= 0 -> congestion channel map + */ +int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, + struct rte_eth_dev *eth_dev, int intr_idx, + struct sge_fl *fl, rspq_handler_t hnd, int cong, + struct rte_mempool *mp, int queue_id, int socket_id) +{ + int ret, flsz = 0; + struct fw_iq_cmd c; + struct sge *s = &adap->sge; + struct port_info *pi = eth_dev->data->dev_private; + char z_name[RTE_MEMZONE_NAMESIZE]; + char z_name_sw[RTE_MEMZONE_NAMESIZE]; + unsigned int nb_refill; + u8 pciechan; + + /* Size needs to be multiple of 16, including status entry. */ + iq->size = cxgbe_roundup(iq->size, 16); + + snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s", + eth_dev->data->port_id, queue_id, + fwevtq ? "fwq_ring" : "rx_ring"); + snprintf(z_name_sw, sizeof(z_name_sw), "%s_sw_ring", z_name); + + iq->desc = alloc_ring(iq->size, iq->iqe_len, 0, &iq->phys_addr, NULL, 0, + queue_id, socket_id, z_name, z_name_sw); + if (!iq->desc) + return -ENOMEM; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = htonl(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | F_FW_CMD_EXEC); + + if (is_pf4(adap)) { + pciechan = pi->tx_chan; + c.op_to_vfn |= htonl(V_FW_IQ_CMD_PFN(adap->pf) | + V_FW_IQ_CMD_VFN(0)); + if (cong >= 0) + c.iqns_to_fl0congen = + htonl(F_FW_IQ_CMD_IQFLINTCONGEN | + V_FW_IQ_CMD_IQTYPE(cong ? + FW_IQ_IQTYPE_NIC : + FW_IQ_IQTYPE_OFLD) | + F_FW_IQ_CMD_IQRO); + } else { + pciechan = pi->port_id; + } + + c.alloc_to_len16 = htonl(F_FW_IQ_CMD_ALLOC | F_FW_IQ_CMD_IQSTART | + (sizeof(c) / 16)); + c.type_to_iqandstindex = + htonl(V_FW_IQ_CMD_TYPE(FW_IQ_TYPE_FL_INT_CAP) | + V_FW_IQ_CMD_IQASYNCH(fwevtq) | + V_FW_IQ_CMD_VIID(pi->viid) | + V_FW_IQ_CMD_IQANDST(intr_idx < 0) | + V_FW_IQ_CMD_IQANUD(X_UPDATEDELIVERY_STATUS_PAGE) | + V_FW_IQ_CMD_IQANDSTINDEX(intr_idx >= 0 ? intr_idx : + -intr_idx - 1)); + c.iqdroprss_to_iqesize = + htons(V_FW_IQ_CMD_IQPCIECH(pciechan) | + F_FW_IQ_CMD_IQGTSMODE | + V_FW_IQ_CMD_IQINTCNTTHRESH(iq->pktcnt_idx) | + V_FW_IQ_CMD_IQESIZE(ilog2(iq->iqe_len) - 4)); + c.iqsize = htons(iq->size); + c.iqaddr = cpu_to_be64(iq->phys_addr); + + if (fl) { + struct sge_eth_rxq *rxq = container_of(fl, struct sge_eth_rxq, + fl); + unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip); + + /* + * Allocate the ring for the hardware free list (with space + * for its status page) along with the associated software + * descriptor ring. The free list size needs to be a multiple + * of the Egress Queue Unit and at least 2 Egress Units larger + * than the SGE's Egress Congrestion Threshold + * (fl_starve_thres - 1). + */ + if (fl->size < s->fl_starve_thres - 1 + 2 * 8) + fl->size = s->fl_starve_thres - 1 + 2 * 8; + fl->size = cxgbe_roundup(fl->size, 8); + + snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s", + eth_dev->data->port_id, queue_id, + fwevtq ? "fwq_ring" : "fl_ring"); + snprintf(z_name_sw, sizeof(z_name_sw), "%s_sw_ring", z_name); + + fl->desc = alloc_ring(fl->size, sizeof(__be64), + sizeof(struct rx_sw_desc), + &fl->addr, &fl->sdesc, s->stat_len, + queue_id, socket_id, z_name, z_name_sw); + + if (!fl->desc) + goto fl_nomem; + + flsz = fl->size / 8 + s->stat_len / sizeof(struct tx_desc); + c.iqns_to_fl0congen |= + htonl(V_FW_IQ_CMD_FL0HOSTFCMODE(X_HOSTFCMODE_NONE) | + (unlikely(rxq->usembufs) ? + 0 : F_FW_IQ_CMD_FL0PACKEN) | + F_FW_IQ_CMD_FL0FETCHRO | F_FW_IQ_CMD_FL0DATARO | + F_FW_IQ_CMD_FL0PADEN); + if (is_pf4(adap) && cong >= 0) + c.iqns_to_fl0congen |= + htonl(V_FW_IQ_CMD_FL0CNGCHMAP(cong) | + F_FW_IQ_CMD_FL0CONGCIF | + F_FW_IQ_CMD_FL0CONGEN); + + /* In T6, for egress queue type FL there is internal overhead + * of 16B for header going into FLM module. + * Hence maximum allowed burst size will be 448 bytes. + */ + c.fl0dcaen_to_fl0cidxfthresh = + htons(V_FW_IQ_CMD_FL0FBMIN(chip_ver <= CHELSIO_T5 ? + X_FETCHBURSTMIN_128B : + X_FETCHBURSTMIN_64B) | + V_FW_IQ_CMD_FL0FBMAX(chip_ver <= CHELSIO_T5 ? + X_FETCHBURSTMAX_512B : + X_FETCHBURSTMAX_256B)); + c.fl0size = htons(flsz); + c.fl0addr = cpu_to_be64(fl->addr); + } + + if (is_pf4(adap)) + ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c); + else + ret = t4vf_wr_mbox(adap, &c, sizeof(c), &c); + if (ret) + goto err; + + iq->cur_desc = iq->desc; + iq->cidx = 0; + iq->gts_idx = 0; + iq->gen = 1; + iq->next_intr_params = iq->intr_params; + iq->cntxt_id = ntohs(c.iqid); + iq->abs_id = ntohs(c.physiqid); + iq->bar2_addr = bar2_address(adap, iq->cntxt_id, T4_BAR2_QTYPE_INGRESS, + &iq->bar2_qid); + iq->size--; /* subtract status entry */ + iq->stat = (void *)&iq->desc[iq->size * 8]; + iq->eth_dev = eth_dev; + iq->handler = hnd; + iq->port_id = pi->pidx; + iq->mb_pool = mp; + + /* set offset to -1 to distinguish ingress queues without FL */ + iq->offset = fl ? 0 : -1; + + if (fl) { + fl->cntxt_id = ntohs(c.fl0id); + fl->avail = 0; + fl->pend_cred = 0; + fl->pidx = 0; + fl->cidx = 0; + fl->alloc_failed = 0; + + /* + * Note, we must initialize the BAR2 Free List User Doorbell + * information before refilling the Free List! + */ + fl->bar2_addr = bar2_address(adap, fl->cntxt_id, + T4_BAR2_QTYPE_EGRESS, + &fl->bar2_qid); + + nb_refill = refill_fl(adap, fl, fl_cap(fl)); + if (nb_refill != fl_cap(fl)) { + ret = -ENOMEM; + dev_err(adap, "%s: mbuf alloc failed with error: %d\n", + __func__, ret); + goto refill_fl_err; + } + } + + /* + * For T5 and later we attempt to set up the Congestion Manager values + * of the new RX Ethernet Queue. This should really be handled by + * firmware because it's more complex than any host driver wants to + * get involved with and it's different per chip and this is almost + * certainly wrong. Formware would be wrong as well, but it would be + * a lot easier to fix in one place ... For now we do something very + * simple (and hopefully less wrong). + */ + if (is_pf4(adap) && !is_t4(adap->params.chip) && cong >= 0) { + u32 param, val; + int i; + + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DMAQ) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DMAQ_CONM_CTXT) | + V_FW_PARAMS_PARAM_YZ(iq->cntxt_id)); + if (cong == 0) { + val = V_CONMCTXT_CNGTPMODE(X_CONMCTXT_CNGTPMODE_QUEUE); + } else { + val = V_CONMCTXT_CNGTPMODE( + X_CONMCTXT_CNGTPMODE_CHANNEL); + for (i = 0; i < 4; i++) { + if (cong & (1 << i)) + val |= V_CONMCTXT_CNGCHMAP(1 << + (i << 2)); + } + } + ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, + ¶m, &val); + if (ret) + dev_warn(adap->pdev_dev, "Failed to set Congestion Manager Context for Ingress Queue %d: %d\n", + iq->cntxt_id, -ret); + } + + return 0; + +refill_fl_err: + t4_iq_free(adap, adap->mbox, adap->pf, 0, FW_IQ_TYPE_FL_INT_CAP, + iq->cntxt_id, fl->cntxt_id, 0xffff); +fl_nomem: + ret = -ENOMEM; +err: + iq->cntxt_id = 0; + iq->abs_id = 0; + if (iq->desc) + iq->desc = NULL; + + if (fl && fl->desc) { + rte_free(fl->sdesc); + fl->cntxt_id = 0; + fl->sdesc = NULL; + fl->desc = NULL; + } + return ret; +} + +static void init_txq(struct adapter *adap, struct sge_txq *q, unsigned int id, + unsigned int abs_id) +{ + q->cntxt_id = id; + q->abs_id = abs_id; + q->bar2_addr = bar2_address(adap, q->cntxt_id, T4_BAR2_QTYPE_EGRESS, + &q->bar2_qid); + q->cidx = 0; + q->pidx = 0; + q->dbidx = 0; + q->in_use = 0; + q->equeidx = 0; + q->coalesce.idx = 0; + q->coalesce.len = 0; + q->coalesce.flits = 0; + q->last_coal_idx = 0; + q->last_pidx = 0; + q->stat = (void *)&q->desc[q->size]; +} + +int t4_sge_eth_txq_start(struct sge_eth_txq *txq) +{ + /* + * TODO: For flow-control, queue may be stopped waiting to reclaim + * credits. + * Ensure queue is in EQ_STOPPED state before starting it. + */ + if (!(txq->flags & EQ_STOPPED)) + return -(EBUSY); + + txq->flags &= ~EQ_STOPPED; + + return 0; +} + +int t4_sge_eth_txq_stop(struct sge_eth_txq *txq) +{ + txq->flags |= EQ_STOPPED; + + return 0; +} + +int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, + struct rte_eth_dev *eth_dev, uint16_t queue_id, + unsigned int iqid, int socket_id) +{ + int ret, nentries; + struct fw_eq_eth_cmd c; + struct sge *s = &adap->sge; + struct port_info *pi = eth_dev->data->dev_private; + char z_name[RTE_MEMZONE_NAMESIZE]; + char z_name_sw[RTE_MEMZONE_NAMESIZE]; + u8 pciechan; + + /* Add status entries */ + nentries = txq->q.size + s->stat_len / sizeof(struct tx_desc); + + snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s", + eth_dev->data->port_id, queue_id, "tx_ring"); + snprintf(z_name_sw, sizeof(z_name_sw), "%s_sw_ring", z_name); + + txq->q.desc = alloc_ring(txq->q.size, sizeof(struct tx_desc), + sizeof(struct tx_sw_desc), &txq->q.phys_addr, + &txq->q.sdesc, s->stat_len, queue_id, + socket_id, z_name, z_name_sw); + if (!txq->q.desc) + return -ENOMEM; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = htonl(V_FW_CMD_OP(FW_EQ_ETH_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | F_FW_CMD_EXEC); + if (is_pf4(adap)) { + pciechan = pi->tx_chan; + c.op_to_vfn |= htonl(V_FW_EQ_ETH_CMD_PFN(adap->pf) | + V_FW_EQ_ETH_CMD_VFN(0)); + } else { + pciechan = pi->port_id; + } + + c.alloc_to_len16 = htonl(F_FW_EQ_ETH_CMD_ALLOC | + F_FW_EQ_ETH_CMD_EQSTART | (sizeof(c) / 16)); + c.autoequiqe_to_viid = htonl(F_FW_EQ_ETH_CMD_AUTOEQUEQE | + V_FW_EQ_ETH_CMD_VIID(pi->viid)); + c.fetchszm_to_iqid = + htonl(V_FW_EQ_ETH_CMD_HOSTFCMODE(X_HOSTFCMODE_NONE) | + V_FW_EQ_ETH_CMD_PCIECHN(pciechan) | + F_FW_EQ_ETH_CMD_FETCHRO | V_FW_EQ_ETH_CMD_IQID(iqid)); + c.dcaen_to_eqsize = + htonl(V_FW_EQ_ETH_CMD_FBMIN(X_FETCHBURSTMIN_64B) | + V_FW_EQ_ETH_CMD_FBMAX(X_FETCHBURSTMAX_512B) | + V_FW_EQ_ETH_CMD_EQSIZE(nentries)); + c.eqaddr = rte_cpu_to_be_64(txq->q.phys_addr); + + if (is_pf4(adap)) + ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c); + else + ret = t4vf_wr_mbox(adap, &c, sizeof(c), &c); + if (ret) { + rte_free(txq->q.sdesc); + txq->q.sdesc = NULL; + txq->q.desc = NULL; + return ret; + } + + init_txq(adap, &txq->q, G_FW_EQ_ETH_CMD_EQID(ntohl(c.eqid_pkd)), + G_FW_EQ_ETH_CMD_PHYSEQID(ntohl(c.physeqid_pkd))); + txq->stats.tso = 0; + txq->stats.pkts = 0; + txq->stats.tx_cso = 0; + txq->stats.coal_wr = 0; + txq->stats.vlan_ins = 0; + txq->stats.tx_bytes = 0; + txq->stats.coal_pkts = 0; + txq->stats.mapping_err = 0; + txq->flags |= EQ_STOPPED; + txq->eth_dev = eth_dev; + txq->data = eth_dev->data; + t4_os_lock_init(&txq->txq_lock); + return 0; +} + +int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, + struct rte_eth_dev *eth_dev, uint16_t queue_id, + unsigned int iqid, int socket_id) +{ + int ret, nentries; + struct fw_eq_ctrl_cmd c; + struct sge *s = &adap->sge; + struct port_info *pi = eth_dev->data->dev_private; + char z_name[RTE_MEMZONE_NAMESIZE]; + char z_name_sw[RTE_MEMZONE_NAMESIZE]; + + /* Add status entries */ + nentries = txq->q.size + s->stat_len / sizeof(struct tx_desc); + + snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s", + eth_dev->data->port_id, queue_id, "ctrl_tx_ring"); + snprintf(z_name_sw, sizeof(z_name_sw), "%s_sw_ring", z_name); + + txq->q.desc = alloc_ring(txq->q.size, sizeof(struct tx_desc), + 0, &txq->q.phys_addr, + NULL, 0, queue_id, + socket_id, z_name, z_name_sw); + if (!txq->q.desc) + return -ENOMEM; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = htonl(V_FW_CMD_OP(FW_EQ_CTRL_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | F_FW_CMD_EXEC | + V_FW_EQ_CTRL_CMD_PFN(adap->pf) | + V_FW_EQ_CTRL_CMD_VFN(0)); + c.alloc_to_len16 = htonl(F_FW_EQ_CTRL_CMD_ALLOC | + F_FW_EQ_CTRL_CMD_EQSTART | (sizeof(c) / 16)); + c.cmpliqid_eqid = htonl(V_FW_EQ_CTRL_CMD_CMPLIQID(0)); + c.physeqid_pkd = htonl(0); + c.fetchszm_to_iqid = + htonl(V_FW_EQ_CTRL_CMD_HOSTFCMODE(X_HOSTFCMODE_NONE) | + V_FW_EQ_CTRL_CMD_PCIECHN(pi->tx_chan) | + F_FW_EQ_CTRL_CMD_FETCHRO | V_FW_EQ_CTRL_CMD_IQID(iqid)); + c.dcaen_to_eqsize = + htonl(V_FW_EQ_CTRL_CMD_FBMIN(X_FETCHBURSTMIN_64B) | + V_FW_EQ_CTRL_CMD_FBMAX(X_FETCHBURSTMAX_512B) | + V_FW_EQ_CTRL_CMD_EQSIZE(nentries)); + c.eqaddr = cpu_to_be64(txq->q.phys_addr); + + ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c); + if (ret) { + txq->q.desc = NULL; + return ret; + } + + init_txq(adap, &txq->q, G_FW_EQ_CTRL_CMD_EQID(ntohl(c.cmpliqid_eqid)), + G_FW_EQ_CTRL_CMD_EQID(ntohl(c. physeqid_pkd))); + txq->adapter = adap; + txq->full = 0; + return 0; +} + +static void free_txq(struct sge_txq *q) +{ + q->cntxt_id = 0; + q->sdesc = NULL; + q->desc = NULL; +} + +static void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, + struct sge_fl *fl) +{ + unsigned int fl_id = fl ? fl->cntxt_id : 0xffff; + + t4_iq_free(adap, adap->mbox, adap->pf, 0, FW_IQ_TYPE_FL_INT_CAP, + rq->cntxt_id, fl_id, 0xffff); + rq->cntxt_id = 0; + rq->abs_id = 0; + rq->desc = NULL; + + if (fl) { + free_rx_bufs(fl, fl->avail); + rte_free(fl->sdesc); + fl->sdesc = NULL; + fl->cntxt_id = 0; + fl->desc = NULL; + } +} + +/* + * Clear all queues of the port + * + * Note: This function must only be called after rx and tx path + * of the port have been disabled. + */ +void t4_sge_eth_clear_queues(struct port_info *pi) +{ + int i; + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *rxq = &adap->sge.ethrxq[pi->first_qset]; + struct sge_eth_txq *txq = &adap->sge.ethtxq[pi->first_qset]; + + for (i = 0; i < pi->n_rx_qsets; i++, rxq++) { + if (rxq->rspq.desc) + t4_sge_eth_rxq_stop(adap, &rxq->rspq); + } + for (i = 0; i < pi->n_tx_qsets; i++, txq++) { + if (txq->q.desc) { + struct sge_txq *q = &txq->q; + + t4_sge_eth_txq_stop(txq); + reclaim_completed_tx(q); + free_tx_desc(q, q->size); + q->equeidx = q->pidx; + } + } +} + +void t4_sge_eth_rxq_release(struct adapter *adap, struct sge_eth_rxq *rxq) +{ + if (rxq->rspq.desc) { + t4_sge_eth_rxq_stop(adap, &rxq->rspq); + free_rspq_fl(adap, &rxq->rspq, rxq->fl.size ? &rxq->fl : NULL); + } +} + +void t4_sge_eth_txq_release(struct adapter *adap, struct sge_eth_txq *txq) +{ + if (txq->q.desc) { + t4_sge_eth_txq_stop(txq); + reclaim_completed_tx(&txq->q); + t4_eth_eq_free(adap, adap->mbox, adap->pf, 0, txq->q.cntxt_id); + free_tx_desc(&txq->q, txq->q.size); + rte_free(txq->q.sdesc); + free_txq(&txq->q); + } +} + +void t4_sge_tx_monitor_start(struct adapter *adap) +{ + rte_eal_alarm_set(50, tx_timer_cb, (void *)adap); +} + +void t4_sge_tx_monitor_stop(struct adapter *adap) +{ + rte_eal_alarm_cancel(tx_timer_cb, (void *)adap); +} + +/** + * t4_free_sge_resources - free SGE resources + * @adap: the adapter + * + * Frees resources used by the SGE queue sets. + */ +void t4_free_sge_resources(struct adapter *adap) +{ + unsigned int i; + struct sge_eth_rxq *rxq = &adap->sge.ethrxq[0]; + struct sge_eth_txq *txq = &adap->sge.ethtxq[0]; + + /* clean up Ethernet Tx/Rx queues */ + for (i = 0; i < adap->sge.max_ethqsets; i++, rxq++, txq++) { + /* Free only the queues allocated */ + if (rxq->rspq.desc) { + t4_sge_eth_rxq_release(adap, rxq); + rxq->rspq.eth_dev = NULL; + } + if (txq->q.desc) { + t4_sge_eth_txq_release(adap, txq); + txq->eth_dev = NULL; + } + } + + /* clean up control Tx queues */ + for (i = 0; i < ARRAY_SIZE(adap->sge.ctrlq); i++) { + struct sge_ctrl_txq *cq = &adap->sge.ctrlq[i]; + + if (cq->q.desc) { + reclaim_completed_tx_imm(&cq->q); + t4_ctrl_eq_free(adap, adap->mbox, adap->pf, 0, + cq->q.cntxt_id); + free_txq(&cq->q); + } + } + + if (adap->sge.fw_evtq.desc) + free_rspq_fl(adap, &adap->sge.fw_evtq, NULL); +} + +/** + * t4_sge_init - initialize SGE + * @adap: the adapter + * + * Performs SGE initialization needed every time after a chip reset. + * We do not initialize any of the queues here, instead the driver + * top-level must request those individually. + * + * Called in two different modes: + * + * 1. Perform actual hardware initialization and record hard-coded + * parameters which were used. This gets used when we're the + * Master PF and the Firmware Configuration File support didn't + * work for some reason. + * + * 2. We're not the Master PF or initialization was performed with + * a Firmware Configuration File. In this case we need to grab + * any of the SGE operating parameters that we need to have in + * order to do our job and make sure we can live with them ... + */ +static int t4_sge_init_soft(struct adapter *adap) +{ + struct sge *s = &adap->sge; + u32 fl_small_pg, fl_large_pg, fl_small_mtu, fl_large_mtu; + u32 timer_value_0_and_1, timer_value_2_and_3, timer_value_4_and_5; + u32 ingress_rx_threshold; + + /* + * Verify that CPL messages are going to the Ingress Queue for + * process_responses() and that only packet data is going to the + * Free Lists. + */ + if ((t4_read_reg(adap, A_SGE_CONTROL) & F_RXPKTCPLMODE) != + V_RXPKTCPLMODE(X_RXPKTCPLMODE_SPLIT)) { + dev_err(adap, "bad SGE CPL MODE\n"); + return -EINVAL; + } + + /* + * Validate the Host Buffer Register Array indices that we want to + * use ... + * + * XXX Note that we should really read through the Host Buffer Size + * XXX register array and find the indices of the Buffer Sizes which + * XXX meet our needs! + */ +#define READ_FL_BUF(x) \ + t4_read_reg(adap, A_SGE_FL_BUFFER_SIZE0 + (x) * sizeof(u32)) + + fl_small_pg = READ_FL_BUF(RX_SMALL_PG_BUF); + fl_large_pg = READ_FL_BUF(RX_LARGE_PG_BUF); + fl_small_mtu = READ_FL_BUF(RX_SMALL_MTU_BUF); + fl_large_mtu = READ_FL_BUF(RX_LARGE_MTU_BUF); + + /* + * We only bother using the Large Page logic if the Large Page Buffer + * is larger than our Page Size Buffer. + */ + if (fl_large_pg <= fl_small_pg) + fl_large_pg = 0; + +#undef READ_FL_BUF + + /* + * The Page Size Buffer must be exactly equal to our Page Size and the + * Large Page Size Buffer should be 0 (per above) or a power of 2. + */ + if (fl_small_pg != CXGBE_PAGE_SIZE || + (fl_large_pg & (fl_large_pg - 1)) != 0) { + dev_err(adap, "bad SGE FL page buffer sizes [%d, %d]\n", + fl_small_pg, fl_large_pg); + return -EINVAL; + } + if (fl_large_pg) + s->fl_pg_order = ilog2(fl_large_pg) - PAGE_SHIFT; + + if (adap->use_unpacked_mode) { + int err = 0; + + if (fl_small_mtu < FL_MTU_SMALL_BUFSIZE(adap)) { + dev_err(adap, "bad SGE FL small MTU %d\n", + fl_small_mtu); + err = -EINVAL; + } + if (fl_large_mtu < FL_MTU_LARGE_BUFSIZE(adap)) { + dev_err(adap, "bad SGE FL large MTU %d\n", + fl_large_mtu); + err = -EINVAL; + } + if (err) + return err; + } + + /* + * Retrieve our RX interrupt holdoff timer values and counter + * threshold values from the SGE parameters. + */ + timer_value_0_and_1 = t4_read_reg(adap, A_SGE_TIMER_VALUE_0_AND_1); + timer_value_2_and_3 = t4_read_reg(adap, A_SGE_TIMER_VALUE_2_AND_3); + timer_value_4_and_5 = t4_read_reg(adap, A_SGE_TIMER_VALUE_4_AND_5); + s->timer_val[0] = core_ticks_to_us(adap, + G_TIMERVALUE0(timer_value_0_and_1)); + s->timer_val[1] = core_ticks_to_us(adap, + G_TIMERVALUE1(timer_value_0_and_1)); + s->timer_val[2] = core_ticks_to_us(adap, + G_TIMERVALUE2(timer_value_2_and_3)); + s->timer_val[3] = core_ticks_to_us(adap, + G_TIMERVALUE3(timer_value_2_and_3)); + s->timer_val[4] = core_ticks_to_us(adap, + G_TIMERVALUE4(timer_value_4_and_5)); + s->timer_val[5] = core_ticks_to_us(adap, + G_TIMERVALUE5(timer_value_4_and_5)); + + ingress_rx_threshold = t4_read_reg(adap, A_SGE_INGRESS_RX_THRESHOLD); + s->counter_val[0] = G_THRESHOLD_0(ingress_rx_threshold); + s->counter_val[1] = G_THRESHOLD_1(ingress_rx_threshold); + s->counter_val[2] = G_THRESHOLD_2(ingress_rx_threshold); + s->counter_val[3] = G_THRESHOLD_3(ingress_rx_threshold); + + return 0; +} + +int t4_sge_init(struct adapter *adap) +{ + struct sge *s = &adap->sge; + u32 sge_control, sge_conm_ctrl; + int ret, egress_threshold; + + /* + * Ingress Padding Boundary and Egress Status Page Size are set up by + * t4_fixup_host_params(). + */ + sge_control = t4_read_reg(adap, A_SGE_CONTROL); + s->pktshift = G_PKTSHIFT(sge_control); + s->stat_len = (sge_control & F_EGRSTATUSPAGESIZE) ? 128 : 64; + s->fl_align = t4_fl_pkt_align(adap); + ret = t4_sge_init_soft(adap); + if (ret < 0) { + dev_err(adap, "%s: t4_sge_init_soft failed, error %d\n", + __func__, -ret); + return ret; + } + + /* + * A FL with <= fl_starve_thres buffers is starving and a periodic + * timer will attempt to refill it. This needs to be larger than the + * SGE's Egress Congestion Threshold. If it isn't, then we can get + * stuck waiting for new packets while the SGE is waiting for us to + * give it more Free List entries. (Note that the SGE's Egress + * Congestion Threshold is in units of 2 Free List pointers.) For T4, + * there was only a single field to control this. For T5 there's the + * original field which now only applies to Unpacked Mode Free List + * buffers and a new field which only applies to Packed Mode Free List + * buffers. + */ + sge_conm_ctrl = t4_read_reg(adap, A_SGE_CONM_CTRL); + if (is_t4(adap->params.chip) || adap->use_unpacked_mode) + egress_threshold = G_EGRTHRESHOLD(sge_conm_ctrl); + else + egress_threshold = G_EGRTHRESHOLDPACKING(sge_conm_ctrl); + s->fl_starve_thres = 2 * egress_threshold + 1; + + return 0; +} + +int t4vf_sge_init(struct adapter *adap) +{ + struct sge_params *sge_params = &adap->params.sge; + u32 sge_ingress_queues_per_page; + u32 sge_egress_queues_per_page; + u32 sge_control, sge_control2; + u32 fl_small_pg, fl_large_pg; + u32 sge_ingress_rx_threshold; + u32 sge_timer_value_0_and_1; + u32 sge_timer_value_2_and_3; + u32 sge_timer_value_4_and_5; + u32 sge_congestion_control; + struct sge *s = &adap->sge; + unsigned int s_hps, s_qpp; + u32 sge_host_page_size; + u32 params[7], vals[7]; + int v; + + /* query basic params from fw */ + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_CONTROL)); + params[1] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_HOST_PAGE_SIZE)); + params[2] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_FL_BUFFER_SIZE0)); + params[3] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_FL_BUFFER_SIZE1)); + params[4] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_TIMER_VALUE_0_AND_1)); + params[5] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_TIMER_VALUE_2_AND_3)); + params[6] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_TIMER_VALUE_4_AND_5)); + v = t4vf_query_params(adap, 7, params, vals); + if (v != FW_SUCCESS) + return v; + + sge_control = vals[0]; + sge_host_page_size = vals[1]; + fl_small_pg = vals[2]; + fl_large_pg = vals[3]; + sge_timer_value_0_and_1 = vals[4]; + sge_timer_value_2_and_3 = vals[5]; + sge_timer_value_4_and_5 = vals[6]; + + /* + * Start by vetting the basic SGE parameters which have been set up by + * the Physical Function Driver. + */ + + /* We only bother using the Large Page logic if the Large Page Buffer + * is larger than our Page Size Buffer. + */ + if (fl_large_pg <= fl_small_pg) + fl_large_pg = 0; + + /* The Page Size Buffer must be exactly equal to our Page Size and the + * Large Page Size Buffer should be 0 (per above) or a power of 2. + */ + if (fl_small_pg != CXGBE_PAGE_SIZE || + (fl_large_pg & (fl_large_pg - 1)) != 0) { + dev_err(adapter->pdev_dev, "bad SGE FL buffer sizes [%d, %d]\n", + fl_small_pg, fl_large_pg); + return -EINVAL; + } + + if ((sge_control & F_RXPKTCPLMODE) != + V_RXPKTCPLMODE(X_RXPKTCPLMODE_SPLIT)) { + dev_err(adapter->pdev_dev, "bad SGE CPL MODE\n"); + return -EINVAL; + } + + + /* Grab ingress packing boundary from SGE_CONTROL2 for */ + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_CONTROL2)); + v = t4vf_query_params(adap, 1, params, vals); + if (v != FW_SUCCESS) { + dev_err(adapter, "Unable to get SGE Control2; " + "probably old firmware.\n"); + return v; + } + sge_control2 = vals[0]; + + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_INGRESS_RX_THRESHOLD)); + params[1] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_CONM_CTRL)); + v = t4vf_query_params(adap, 2, params, vals); + if (v != FW_SUCCESS) + return v; + sge_ingress_rx_threshold = vals[0]; + sge_congestion_control = vals[1]; + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_EGRESS_QUEUES_PER_PAGE_VF)); + params[1] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + V_FW_PARAMS_PARAM_XYZ(A_SGE_INGRESS_QUEUES_PER_PAGE_VF)); + v = t4vf_query_params(adap, 2, params, vals); + if (v != FW_SUCCESS) { + dev_warn(adap, "Unable to get VF SGE Queues/Page; " + "probably old firmware.\n"); + return v; + } + sge_egress_queues_per_page = vals[0]; + sge_ingress_queues_per_page = vals[1]; + + /* + * We need the Queues/Page for our VF. This is based on the + * PF from which we're instantiated and is indexed in the + * register we just read. + */ + s_hps = (S_HOSTPAGESIZEPF0 + + (S_HOSTPAGESIZEPF1 - S_HOSTPAGESIZEPF0) * adap->pf); + sge_params->hps = + ((sge_host_page_size >> s_hps) & M_HOSTPAGESIZEPF0); + + s_qpp = (S_QUEUESPERPAGEPF0 + + (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adap->pf); + sge_params->eq_qpp = + ((sge_egress_queues_per_page >> s_qpp) + & M_QUEUESPERPAGEPF0); + sge_params->iq_qpp = + ((sge_ingress_queues_per_page >> s_qpp) + & M_QUEUESPERPAGEPF0); + + /* + * Now translate the queried parameters into our internal forms. + */ + if (fl_large_pg) + s->fl_pg_order = ilog2(fl_large_pg) - PAGE_SHIFT; + s->stat_len = ((sge_control & F_EGRSTATUSPAGESIZE) + ? 128 : 64); + s->pktshift = G_PKTSHIFT(sge_control); + s->fl_align = t4vf_fl_pkt_align(adap, sge_control, sge_control2); + + /* + * A FL with <= fl_starve_thres buffers is starving and a periodic + * timer will attempt to refill it. This needs to be larger than the + * SGE's Egress Congestion Threshold. If it isn't, then we can get + * stuck waiting for new packets while the SGE is waiting for us to + * give it more Free List entries. (Note that the SGE's Egress + * Congestion Threshold is in units of 2 Free List pointers.) + */ + switch (CHELSIO_CHIP_VERSION(adap->params.chip)) { + case CHELSIO_T5: + s->fl_starve_thres = + G_EGRTHRESHOLDPACKING(sge_congestion_control); + break; + case CHELSIO_T6: + default: + s->fl_starve_thres = + G_T6_EGRTHRESHOLDPACKING(sge_congestion_control); + break; + } + s->fl_starve_thres = s->fl_starve_thres * 2 + 1; + + /* + * Save RX interrupt holdoff timer values and counter + * threshold values from the SGE parameters. + */ + s->timer_val[0] = core_ticks_to_us(adap, + G_TIMERVALUE0(sge_timer_value_0_and_1)); + s->timer_val[1] = core_ticks_to_us(adap, + G_TIMERVALUE1(sge_timer_value_0_and_1)); + s->timer_val[2] = core_ticks_to_us(adap, + G_TIMERVALUE2(sge_timer_value_2_and_3)); + s->timer_val[3] = core_ticks_to_us(adap, + G_TIMERVALUE3(sge_timer_value_2_and_3)); + s->timer_val[4] = core_ticks_to_us(adap, + G_TIMERVALUE4(sge_timer_value_4_and_5)); + s->timer_val[5] = core_ticks_to_us(adap, + G_TIMERVALUE5(sge_timer_value_4_and_5)); + s->counter_val[0] = G_THRESHOLD_0(sge_ingress_rx_threshold); + s->counter_val[1] = G_THRESHOLD_1(sge_ingress_rx_threshold); + s->counter_val[2] = G_THRESHOLD_2(sge_ingress_rx_threshold); + s->counter_val[3] = G_THRESHOLD_3(sge_ingress_rx_threshold); + return 0; +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/smt.c b/src/spdk/dpdk/drivers/net/cxgbe/smt.c new file mode 100644 index 000000000..e8f38676e --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/smt.c @@ -0,0 +1,230 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2020 Chelsio Communications. + * All rights reserved. + */ + +#include "base/common.h" +#include "smt.h" + +void cxgbe_do_smt_write_rpl(struct adapter *adap, + const struct cpl_smt_write_rpl *rpl) +{ + unsigned int smtidx = G_TID_TID(GET_TID(rpl)); + struct smt_data *s = adap->smt; + + if (unlikely(rpl->status != CPL_ERR_NONE)) { + struct smt_entry *e = &s->smtab[smtidx]; + + dev_err(adap, + "Unexpected SMT_WRITE_RPL status %u for entry %u\n", + rpl->status, smtidx); + t4_os_lock(&e->lock); + e->state = SMT_STATE_ERROR; + t4_os_unlock(&e->lock); + } +} + +static int write_smt_entry(struct rte_eth_dev *dev, struct smt_entry *e) +{ + unsigned int port_id = ethdev2pinfo(dev)->port_id; + struct adapter *adap = ethdev2adap(dev); + struct cpl_t6_smt_write_req *t6req; + struct smt_data *s = adap->smt; + struct cpl_smt_write_req *req; + struct sge_ctrl_txq *ctrlq; + struct rte_mbuf *mbuf; + u8 row; + + ctrlq = &adap->sge.ctrlq[port_id]; + mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); + if (!mbuf) + return -ENOMEM; + + if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) { + mbuf->data_len = sizeof(*req); + mbuf->pkt_len = mbuf->data_len; + + /* Source MAC Table (SMT) contains 256 SMAC entries + * organized in 128 rows of 2 entries each. + */ + req = rte_pktmbuf_mtod(mbuf, struct cpl_smt_write_req *); + INIT_TP_WR(req, 0); + + /* Each row contains an SMAC pair. + * LSB selects the SMAC entry within a row + */ + if (e->idx & 1) { + req->pfvf1 = 0x0; + rte_memcpy(req->src_mac1, e->src_mac, + RTE_ETHER_ADDR_LEN); + + /* fill pfvf0/src_mac0 with entry + * at prev index from smt-tab. + */ + req->pfvf0 = 0x0; + rte_memcpy(req->src_mac0, s->smtab[e->idx - 1].src_mac, + RTE_ETHER_ADDR_LEN); + } else { + req->pfvf0 = 0x0; + rte_memcpy(req->src_mac0, e->src_mac, + RTE_ETHER_ADDR_LEN); + + /* fill pfvf1/src_mac1 with entry + * at next index from smt-tab + */ + req->pfvf1 = 0x0; + rte_memcpy(req->src_mac1, s->smtab[e->idx + 1].src_mac, + RTE_ETHER_ADDR_LEN); + } + row = (e->hw_idx >> 1); + } else { + mbuf->data_len = sizeof(*t6req); + mbuf->pkt_len = mbuf->data_len; + + /* Source MAC Table (SMT) contains 256 SMAC entries */ + t6req = rte_pktmbuf_mtod(mbuf, struct cpl_t6_smt_write_req *); + INIT_TP_WR(t6req, 0); + + /* fill pfvf0/src_mac0 from smt-tab */ + t6req->pfvf0 = 0x0; + rte_memcpy(t6req->src_mac0, s->smtab[e->idx].src_mac, + RTE_ETHER_ADDR_LEN); + row = e->hw_idx; + req = (struct cpl_smt_write_req *)t6req; + } + + OPCODE_TID(req) = + cpu_to_be32(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, + e->hw_idx | + V_TID_QID(adap->sge.fw_evtq.abs_id))); + + req->params = cpu_to_be32(V_SMTW_NORPL(0) | + V_SMTW_IDX(row) | + V_SMTW_OVLAN_IDX(0)); + t4_mgmt_tx(ctrlq, mbuf); + + return 0; +} + +/** + * find_or_alloc_smte - Find/Allocate a free SMT entry + * @s: SMT table + * @smac: Source MAC address to compare/add + * Returns pointer to the SMT entry found/created + * + * Finds/Allocates an SMT entry to be used by switching rule of a filter. + */ +static struct smt_entry *find_or_alloc_smte(struct smt_data *s, u8 *smac) +{ + struct smt_entry *e, *end, *first_free = NULL; + + for (e = &s->smtab[0], end = &s->smtab[s->smt_size]; e != end; ++e) { + if (!rte_atomic32_read(&e->refcnt)) { + if (!first_free) + first_free = e; + } else { + if (e->state == SMT_STATE_SWITCHING) { + /* This entry is actually in use. See if we can + * re-use it ? + */ + if (!memcmp(e->src_mac, smac, + RTE_ETHER_ADDR_LEN)) + goto found; + } + } + } + + if (!first_free) + return NULL; + + e = first_free; + e->state = SMT_STATE_UNUSED; + +found: + return e; +} + +static struct smt_entry *t4_smt_alloc_switching(struct rte_eth_dev *dev, + u16 pfvf, u8 *smac) +{ + struct adapter *adap = ethdev2adap(dev); + struct smt_data *s = adap->smt; + struct smt_entry *e; + int ret; + + t4_os_write_lock(&s->lock); + e = find_or_alloc_smte(s, smac); + if (e) { + t4_os_lock(&e->lock); + if (!rte_atomic32_read(&e->refcnt)) { + e->pfvf = pfvf; + rte_memcpy(e->src_mac, smac, RTE_ETHER_ADDR_LEN); + ret = write_smt_entry(dev, e); + if (ret) { + e->pfvf = 0; + memset(e->src_mac, 0, RTE_ETHER_ADDR_LEN); + t4_os_unlock(&e->lock); + e = NULL; + goto out_write_unlock; + } + e->state = SMT_STATE_SWITCHING; + rte_atomic32_set(&e->refcnt, 1); + } else { + rte_atomic32_inc(&e->refcnt); + } + t4_os_unlock(&e->lock); + } + +out_write_unlock: + t4_os_write_unlock(&s->lock); + return e; +} + +/** + * cxgbe_smt_alloc_switching - Allocate an SMT entry for switching rule + * @dev: rte_eth_dev pointer + * @smac: MAC address to add to SMT + * Returns pointer to the SMT entry created + * + * Allocates an SMT entry to be used by switching rule of a filter. + */ +struct smt_entry *cxgbe_smt_alloc_switching(struct rte_eth_dev *dev, u8 *smac) +{ + return t4_smt_alloc_switching(dev, 0x0, smac); +} + +/** + * Initialize Source MAC Table + */ +struct smt_data *t4_init_smt(u32 smt_start_idx, u32 smt_size) +{ + struct smt_data *s; + u32 i; + + s = t4_alloc_mem(sizeof(*s) + smt_size * sizeof(struct smt_entry)); + if (!s) + return NULL; + + s->smt_start = smt_start_idx; + s->smt_size = smt_size; + t4_os_rwlock_init(&s->lock); + + for (i = 0; i < s->smt_size; ++i) { + s->smtab[i].idx = i; + s->smtab[i].hw_idx = smt_start_idx + i; + s->smtab[i].state = SMT_STATE_UNUSED; + memset(&s->smtab[i].src_mac, 0, RTE_ETHER_ADDR_LEN); + t4_os_lock_init(&s->smtab[i].lock); + rte_atomic32_set(&s->smtab[i].refcnt, 0); + } + return s; +} + +/** + * Cleanup Source MAC Table + */ +void t4_cleanup_smt(struct adapter *adap) +{ + if (adap->smt) + t4_os_free(adap->smt); +} diff --git a/src/spdk/dpdk/drivers/net/cxgbe/smt.h b/src/spdk/dpdk/drivers/net/cxgbe/smt.h new file mode 100644 index 000000000..be1fab8ba --- /dev/null +++ b/src/spdk/dpdk/drivers/net/cxgbe/smt.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2020 Chelsio Communications. + * All rights reserved. + */ +#ifndef __CXGBE_SMT_H_ +#define __CXGBE_SMT_H_ + +#include "base/t4_msg.h" + +enum { + SMT_STATE_SWITCHING, + SMT_STATE_UNUSED, + SMT_STATE_ERROR +}; + +enum { + SMT_SIZE = 256 +}; + +struct smt_entry { + u16 state; + u16 idx; + u16 pfvf; + u16 hw_idx; + u8 src_mac[RTE_ETHER_ADDR_LEN]; + rte_atomic32_t refcnt; + rte_spinlock_t lock; +}; + +struct smt_data { + unsigned int smt_size; + unsigned int smt_start; + rte_rwlock_t lock; + struct smt_entry smtab[0]; +}; + +struct smt_data *t4_init_smt(u32 smt_start_idx, u32 smt_size); +void t4_cleanup_smt(struct adapter *adap); +void cxgbe_do_smt_write_rpl(struct adapter *adap, + const struct cpl_smt_write_rpl *rpl); +struct smt_entry *cxgbe_smt_alloc_switching(struct rte_eth_dev *dev, u8 *smac); + +#endif /* __CXGBE_SMT_H_ */ + |