Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 368 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/enic/enic.h b/src/spdk/dpdk/drivers/net/enic/enic.h
new file mode 100644
index 000000000..a95e51eea
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/enic/enic.h
@@ -0,0 +1,368 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ */
+
+#ifndef _ENIC_H_
+#define _ENIC_H_
+
+#include <rte_vxlan.h>
+#include <rte_ether.h>
+#include "vnic_enet.h"
+#include "vnic_dev.h"
+#include "vnic_flowman.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "vnic_rss.h"
+#include "enic_res.h"
+#include "cq_enet_desc.h"
+#include <stdbool.h>
+#include <sys/queue.h>
+#include <rte_spinlock.h>
+
+#define DRV_NAME		"enic_pmd"
+#define DRV_DESCRIPTION		"Cisco VIC Ethernet NIC Poll-mode Driver"
+#define DRV_COPYRIGHT		"Copyright 2008-2015 Cisco Systems, Inc"
+
+#define VLAN_ETH_HLEN           18
+
+#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
+
+#define ENICPMD_BDF_LENGTH      13   /* 0000:00:00.0'\0' */
+#define ENIC_CALC_IP_CKSUM      1
+#define ENIC_CALC_TCP_UDP_CKSUM 2
+#define ENIC_MAX_MTU            9000
+#define ENIC_PAGE_SIZE          4096
+#define PAGE_ROUND_UP(x) \
+	((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
+
+#define ENICPMD_VFIO_PATH          "/dev/vfio/vfio"
+/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
+
+#define PCI_DEVICE_ID_CISCO_VIC_ENET         0x0043  /* ethernet vnic */
+#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF      0x0071  /* enet SRIOV VF */
+/* enet SRIOV Standalone vNic VF */
+#define PCI_DEVICE_ID_CISCO_VIC_ENET_SN      0x02B7
+
+/* Special Filter id for non-specific packet flagging. Don't change value */
+#define ENIC_MAGIC_FILTER_ID 0xffff
+
+#define ENICPMD_FDIR_MAX           64
+
+/*
+ * Interrupt 0: LSC and errors
+ * Interrupt 1: rx queue 0
+ * Interrupt 2: rx queue 1
+ * ...
+ */
+#define ENICPMD_LSC_INTR_OFFSET 0
+#define ENICPMD_RXQ_INTR_OFFSET 1
+
+struct enic_fdir_node {
+	struct rte_eth_fdir_filter filter;
+	uint16_t fltr_id;
+	uint16_t rq_index;
+};
+
+struct enic_fdir {
+	struct rte_eth_fdir_stats stats;
+	struct rte_hash *hash;
+	struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
+	uint32_t modes;
+	uint32_t types_mask;
+	void (*copy_fltr_fn)(struct filter_v2 *filt,
+			     const struct rte_eth_fdir_input *input,
+			     const struct rte_eth_fdir_masks *masks);
+};
+
+struct enic_soft_stats {
+	rte_atomic64_t rx_nombuf;
+	rte_atomic64_t rx_packet_errors;
+	rte_atomic64_t tx_oversized;
+};
+
+struct enic_memzone_entry {
+	const struct rte_memzone *rz;
+	LIST_ENTRY(enic_memzone_entry) entries;
+};
+
+/* Defined in enic_fm_flow.c */
+struct enic_flowman;
+struct enic_fm_flow;
+
+struct rte_flow {
+	LIST_ENTRY(rte_flow) next;
+	/* Data for filter API based flow (enic_flow.c) */
+	uint16_t enic_filter_id;
+	struct filter_v2 enic_filter;
+	/* Data for flow manager based flow (enic_fm_flow.c) */
+	struct enic_fm_flow *fm;
+};
+
+/* Per-instance private data structure */
+struct enic {
+	struct enic *next;
+	struct rte_pci_device *pdev;
+	struct vnic_enet_config config;
+	struct vnic_dev_bar bar0;
+	struct vnic_dev *vdev;
+
+	/*
+	 * mbuf_initializer contains 64 bits of mbuf rearm_data, used by
+	 * the avx2 handler at this time.
+	 */
+	uint64_t mbuf_initializer;
+	unsigned int port_id;
+	bool overlay_offload;
+	struct rte_eth_dev *rte_dev;
+	struct rte_eth_dev_data *dev_data;
+	struct enic_fdir fdir;
+	char bdf_name[ENICPMD_BDF_LENGTH];
+	int dev_fd;
+	int iommu_group_fd;
+	int iommu_groupid;
+	int eventfd;
+	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
+	pthread_t err_intr_thread;
+	int promisc;
+	int allmulti;
+	uint8_t ig_vlan_strip_en;
+	int link_status;
+	uint8_t hw_ip_checksum;
+	uint16_t max_mtu;
+	uint8_t adv_filters;
+	uint32_t flow_filter_mode;
+	uint8_t filter_actions; /* HW supported actions */
+	bool vxlan;
+	bool disable_overlay; /* devargs disable_overlay=1 */
+	uint8_t enable_avx2_rx;  /* devargs enable-avx2-rx=1 */
+	uint8_t geneve_opt_avail;    /* Geneve with options offload available */
+	uint8_t geneve_opt_enabled;  /* Geneve with options offload enabled */
+	uint8_t geneve_opt_request;  /* devargs geneve-opt=1 */
+	bool nic_cfg_chk;     /* NIC_CFG_CHK available */
+	bool udp_rss_weak;    /* Bodega style UDP RSS */
+	uint8_t ig_vlan_rewrite_mode; /* devargs ig-vlan-rewrite */
+	uint16_t vxlan_port;  /* current vxlan port pushed to NIC */
+	int use_simple_tx_handler;
+
+	unsigned int flags;
+	unsigned int priv_flags;
+
+	/* work queue (len = conf_wq_count) */
+	struct vnic_wq *wq;
+	unsigned int wq_count; /* equals eth_dev nb_tx_queues */
+
+	/* receive queue (len = conf_rq_count) */
+	struct vnic_rq *rq;
+	unsigned int rq_count; /* equals eth_dev nb_rx_queues */
+
+	/* completion queue (len = conf_cq_count) */
+	struct vnic_cq *cq;
+	unsigned int cq_count; /* equals rq_count + wq_count */
+
+	/* interrupt vectors (len = conf_intr_count) */
+	struct vnic_intr *intr;
+	unsigned int intr_count; /* equals enabled interrupts (lsc + rxqs) */
+
+	/* software counters */
+	struct enic_soft_stats soft_stats;
+
+	/* configured resources on vic */
+	unsigned int conf_rq_count;
+	unsigned int conf_wq_count;
+	unsigned int conf_cq_count;
+	unsigned int conf_intr_count;
+
+	/* linked list storing memory allocations */
+	LIST_HEAD(enic_memzone_list, enic_memzone_entry) memzone_list;
+	rte_spinlock_t memzone_list_lock;
+	rte_spinlock_t mtu_lock;
+
+	LIST_HEAD(enic_flows, rte_flow) flows;
+
+	/* RSS */
+	uint16_t reta_size;
+	uint8_t hash_key_size;
+	uint64_t flow_type_rss_offloads; /* 0 indicates RSS not supported */
+	/*
+	 * Keep a copy of current RSS config for queries, as we cannot retrieve
+	 * it from the NIC.
+	 */
+	uint8_t rss_hash_type; /* NIC_CFG_RSS_HASH_TYPE flags */
+	uint8_t rss_enable;
+	uint64_t rss_hf; /* ETH_RSS flags */
+	union vnic_rss_key rss_key;
+	union vnic_rss_cpu rss_cpu;
+
+	uint64_t rx_offload_capa; /* DEV_RX_OFFLOAD flags */
+	uint64_t tx_offload_capa; /* DEV_TX_OFFLOAD flags */
+	uint64_t tx_queue_offload_capa; /* DEV_TX_OFFLOAD flags */
+	uint64_t tx_offload_mask; /* PKT_TX flags accepted */
+
+	/* Multicast MAC addresses added to the NIC */
+	uint32_t mc_count;
+	struct rte_ether_addr mc_addrs[ENIC_MULTICAST_PERFECT_FILTERS];
+
+	/* Flow manager API */
+	struct enic_flowman *fm;
+};
+
+/* Compute ethdev's max packet size from MTU */
+static inline uint32_t enic_mtu_to_max_rx_pktlen(uint32_t mtu)
+{
+	/* ethdev max size includes eth whereas NIC MTU does not */
+	return mtu + RTE_ETHER_HDR_LEN;
+}
+
+/* Get the CQ index from a Start of Packet(SOP) RQ index */
+static inline unsigned int enic_sop_rq_idx_to_cq_idx(unsigned int sop_idx)
+{
+	return sop_idx;
+}
+
+/* Get the RTE RQ index from a Start of Packet(SOP) RQ index */
+static inline unsigned int enic_sop_rq_idx_to_rte_idx(unsigned int sop_idx)
+{
+	return sop_idx;
+}
+
+/* Get the Start of Packet(SOP) RQ index from a RTE RQ index */
+static inline unsigned int enic_rte_rq_idx_to_sop_idx(unsigned int rte_idx)
+{
+	return rte_idx;
+}
+
+/* Get the Data RQ index from a RTE RQ index */
+static inline unsigned int enic_rte_rq_idx_to_data_idx(unsigned int rte_idx,
+						       struct enic *enic)
+{
+	return enic->rq_count + rte_idx;
+}
+
+static inline unsigned int enic_vnic_rq_count(struct enic *enic)
+{
+	return enic->rq_count * 2;
+}
+
+static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
+{
+	/* Scatter rx uses two receive queues together with one
+	 * completion queue, so the completion queue number is no
+	 * longer the same as the rq number.
+	 */
+	return rq;
+}
+
+static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
+{
+	return enic->rq_count + wq;
+}
+
+static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
+{
+	return eth_dev->data->dev_private;
+}
+
+static inline uint32_t
+enic_ring_add(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
+{
+	uint32_t d = i0 + i1;
+	d -= (d >= n_descriptors) ? n_descriptors : 0;
+	return d;
+}
+
+static inline uint32_t
+enic_ring_sub(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
+{
+	int32_t d = i1 - i0;
+	return (uint32_t)((d < 0) ? ((int32_t)n_descriptors + d) : d);
+}
+
+static inline uint32_t
+enic_ring_incr(uint32_t n_descriptors, uint32_t idx)
+{
+	idx++;
+	if (unlikely(idx == n_descriptors))
+		idx = 0;
+	return idx;
+}
+
+int dev_is_enic(struct rte_eth_dev *dev);
+void enic_fdir_stats_get(struct enic *enic,
+			 struct rte_eth_fdir_stats *stats);
+int enic_fdir_add_fltr(struct enic *enic,
+		       struct rte_eth_fdir_filter *params);
+int enic_fdir_del_fltr(struct enic *enic,
+		       struct rte_eth_fdir_filter *params);
+void enic_free_wq(void *txq);
+int enic_alloc_intr_resources(struct enic *enic);
+int enic_setup_finish(struct enic *enic);
+int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
+		  unsigned int socket_id, uint16_t nb_desc);
+void enic_start_wq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
+void enic_start_rq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
+void enic_free_rq(void *rxq);
+int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
+		  unsigned int socket_id, struct rte_mempool *mp,
+		  uint16_t nb_desc, uint16_t free_thresh);
+int enic_set_vnic_res(struct enic *enic);
+int enic_init_rss_nic_cfg(struct enic *enic);
+int enic_set_rss_conf(struct enic *enic,
+		      struct rte_eth_rss_conf *rss_conf);
+int enic_set_rss_reta(struct enic *enic, union vnic_rss_cpu *rss_cpu);
+int enic_set_vlan_strip(struct enic *enic);
+int enic_enable(struct enic *enic);
+int enic_disable(struct enic *enic);
+void enic_remove(struct enic *enic);
+int enic_get_link_status(struct enic *enic);
+int enic_dev_stats_get(struct enic *enic,
+		       struct rte_eth_stats *r_stats);
+int enic_dev_stats_clear(struct enic *enic);
+int enic_add_packet_filter(struct enic *enic);
+int enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
+int enic_del_mac_address(struct enic *enic, int mac_index);
+unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
+void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+		   struct rte_mbuf *tx_pkt, unsigned short len,
+		   uint8_t sop, uint8_t eop, uint8_t cq_entry,
+		   uint16_t ol_flags, uint16_t vlan_tag);
+
+void enic_post_wq_index(struct vnic_wq *wq);
+int enic_probe(struct enic *enic);
+int enic_clsf_init(struct enic *enic);
+void enic_clsf_destroy(struct enic *enic);
+int enic_fm_init(struct enic *enic);
+void enic_fm_destroy(struct enic *enic);
+void *enic_alloc_consistent(void *priv, size_t size, dma_addr_t *dma_handle,
+			    uint8_t *name);
+void enic_free_consistent(void *priv, size_t size, void *vaddr,
+			  dma_addr_t dma_handle);
+uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+			uint16_t nb_pkts);
+uint16_t enic_noscatter_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+				  uint16_t nb_pkts);
+uint16_t enic_dummy_recv_pkts(void *rx_queue,
+			      struct rte_mbuf **rx_pkts,
+			      uint16_t nb_pkts);
+uint16_t enic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+			uint16_t nb_pkts);
+uint16_t enic_simple_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+			       uint16_t nb_pkts);
+uint16_t enic_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+			uint16_t nb_pkts);
+int enic_set_mtu(struct enic *enic, uint16_t new_mtu);
+int enic_link_update(struct rte_eth_dev *eth_dev);
+bool enic_use_vector_rx_handler(struct rte_eth_dev *eth_dev);
+void enic_pick_rx_handler(struct rte_eth_dev *eth_dev);
+void enic_pick_tx_handler(struct rte_eth_dev *eth_dev);
+void enic_fdir_info(struct enic *enic);
+void enic_fdir_info_get(struct enic *enic, struct rte_eth_fdir_info *stats);
+extern const struct rte_flow_ops enic_flow_ops;
+extern const struct rte_flow_ops enic_fm_flow_ops;
+#endif /* _ENIC_H_ */