diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice.h | 971 |
1 files changed, 971 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h new file mode 100644 index 000000000..5022b036c --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -0,0 +1,971 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Intel Corporation. */ + +#ifndef _ICE_H_ +#define _ICE_H_ + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/firmware.h> +#include <linux/netdevice.h> +#include <linux/compiler.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/cpumask.h> +#include <linux/rtnetlink.h> +#include <linux/if_vlan.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/workqueue.h> +#include <linux/wait.h> +#include <linux/interrupt.h> +#include <linux/ethtool.h> +#include <linux/timer.h> +#include <linux/delay.h> +#include <linux/bitmap.h> +#include <linux/log2.h> +#include <linux/ip.h> +#include <linux/sctp.h> +#include <linux/ipv6.h> +#include <linux/pkt_sched.h> +#include <linux/if_bridge.h> +#include <linux/ctype.h> +#include <linux/linkmode.h> +#include <linux/bpf.h> +#include <linux/btf.h> +#include <linux/auxiliary_bus.h> +#include <linux/avf/virtchnl.h> +#include <linux/cpu_rmap.h> +#include <linux/dim.h> +#include <linux/gnss.h> +#include <net/pkt_cls.h> +#include <net/pkt_sched.h> +#include <net/tc_act/tc_mirred.h> +#include <net/tc_act/tc_gact.h> +#include <net/ip.h> +#include <net/devlink.h> +#include <net/ipv6.h> +#include <net/xdp_sock.h> +#include <net/xdp_sock_drv.h> +#include <net/geneve.h> +#include <net/gre.h> +#include <net/udp_tunnel.h> +#include <net/vxlan.h> +#include <net/gtp.h> +#include <linux/ppp_defs.h> +#include "ice_devids.h" +#include "ice_type.h" +#include "ice_txrx.h" +#include "ice_dcb.h" +#include "ice_switch.h" +#include "ice_common.h" +#include "ice_flow.h" +#include "ice_sched.h" +#include "ice_idc_int.h" +#include "ice_sriov.h" +#include "ice_vf_mbx.h" +#include "ice_ptp.h" +#include "ice_fdir.h" +#include "ice_xsk.h" +#include "ice_arfs.h" +#include "ice_repr.h" +#include "ice_eswitch.h" +#include "ice_lag.h" +#include "ice_vsi_vlan_ops.h" +#include "ice_gnss.h" +#include "ice_irq.h" + +#define ICE_BAR0 0 +#define ICE_REQ_DESC_MULTIPLE 32 +#define ICE_MIN_NUM_DESC 64 +#define ICE_MAX_NUM_DESC 8160 +#define ICE_DFLT_MIN_RX_DESC 512 +#define ICE_DFLT_NUM_TX_DESC 256 +#define ICE_DFLT_NUM_RX_DESC 2048 + +#define ICE_DFLT_TRAFFIC_CLASS BIT(0) +#define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) +#define ICE_AQ_LEN 192 +#define ICE_MBXSQ_LEN 64 +#define ICE_SBQ_LEN 64 +#define ICE_MIN_LAN_TXRX_MSIX 1 +#define ICE_MIN_LAN_OICR_MSIX 1 +#define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) +#define ICE_FDIR_MSIX 2 +#define ICE_RDMA_NUM_AEQ_MSIX 4 +#define ICE_MIN_RDMA_MSIX 2 +#define ICE_ESWITCH_MSIX 1 +#define ICE_NO_VSI 0xffff +#define ICE_VSI_MAP_CONTIG 0 +#define ICE_VSI_MAP_SCATTER 1 +#define ICE_MAX_SCATTER_TXQS 16 +#define ICE_MAX_SCATTER_RXQS 16 +#define ICE_Q_WAIT_RETRY_LIMIT 10 +#define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) +#define ICE_MAX_LG_RSS_QS 256 +#define ICE_INVAL_Q_INDEX 0xffff + +#define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ + +#define ICE_CHNL_START_TC 1 + +#define ICE_MAX_RESET_WAIT 20 + +#define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) + +#define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) + +#define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) + +#define ICE_MAX_TSO_SIZE 131072 + +#define ICE_UP_TABLE_TRANSLATE(val, i) \ + (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ + ICE_AQ_VSI_UP_TABLE_UP##i##_M) + +#define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) +#define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) +#define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) +#define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) + +/* Minimum BW limit is 500 Kbps for any scheduler node */ +#define ICE_MIN_BW_LIMIT 500 +/* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. + * use it to convert user specified BW limit into Kbps + */ +#define ICE_BW_KBPS_DIVISOR 125 + +/* Default recipes have priority 4 and below, hence priority values between 5..7 + * can be used as filter priority for advanced switch filter (advanced switch + * filters need new recipe to be created for specified extraction sequence + * because default recipe extraction sequence does not represent custom + * extraction) + */ +#define ICE_SWITCH_FLTR_PRIO_QUEUE 7 +/* prio 6 is reserved for future use (e.g. switch filter with L3 fields + + * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as + * SYN/FIN/RST)) + */ +#define ICE_SWITCH_FLTR_PRIO_RSVD 6 +#define ICE_SWITCH_FLTR_PRIO_VSI 5 +#define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI + +/* Macro for each VSI in a PF */ +#define ice_for_each_vsi(pf, i) \ + for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) + +/* Macros for each Tx/Xdp/Rx ring in a VSI */ +#define ice_for_each_txq(vsi, i) \ + for ((i) = 0; (i) < (vsi)->num_txq; (i)++) + +#define ice_for_each_xdp_txq(vsi, i) \ + for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) + +#define ice_for_each_rxq(vsi, i) \ + for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) + +/* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ +#define ice_for_each_alloc_txq(vsi, i) \ + for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) + +#define ice_for_each_alloc_rxq(vsi, i) \ + for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) + +#define ice_for_each_q_vector(vsi, i) \ + for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) + +#define ice_for_each_chnl_tc(i) \ + for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) + +#define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) + +#define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ + ICE_PROMISC_UCAST_RX | \ + ICE_PROMISC_VLAN_TX | \ + ICE_PROMISC_VLAN_RX) + +#define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) + +#define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ + ICE_PROMISC_MCAST_RX | \ + ICE_PROMISC_VLAN_TX | \ + ICE_PROMISC_VLAN_RX) + +#define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) + +enum ice_feature { + ICE_F_DSCP, + ICE_F_PTP_EXTTS, + ICE_F_SMA_CTRL, + ICE_F_GNSS, + ICE_F_ROCE_LAG, + ICE_F_SRIOV_LAG, + ICE_F_MAX +}; + +DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); + +struct ice_channel { + struct list_head list; + u8 type; + u16 sw_id; + u16 base_q; + u16 num_rxq; + u16 num_txq; + u16 vsi_num; + u8 ena_tc; + struct ice_aqc_vsi_props info; + u64 max_tx_rate; + u64 min_tx_rate; + atomic_t num_sb_fltr; + struct ice_vsi *ch_vsi; +}; + +struct ice_txq_meta { + u32 q_teid; /* Tx-scheduler element identifier */ + u16 q_id; /* Entry in VSI's txq_map bitmap */ + u16 q_handle; /* Relative index of Tx queue within TC */ + u16 vsi_idx; /* VSI index that Tx queue belongs to */ + u8 tc; /* TC number that Tx queue belongs to */ +}; + +struct ice_tc_info { + u16 qoffset; + u16 qcount_tx; + u16 qcount_rx; + u8 netdev_tc; +}; + +struct ice_tc_cfg { + u8 numtc; /* Total number of enabled TCs */ + u16 ena_tc; /* Tx map */ + struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; +}; + +struct ice_qs_cfg { + struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ + unsigned long *pf_map; + unsigned long pf_map_size; + unsigned int q_count; + unsigned int scatter_count; + u16 *vsi_map; + u16 vsi_map_offset; + u8 mapping_mode; +}; + +struct ice_sw { + struct ice_pf *pf; + u16 sw_id; /* switch ID for this switch */ + u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ +}; + +enum ice_pf_state { + ICE_TESTING, + ICE_DOWN, + ICE_NEEDS_RESTART, + ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ + ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ + ICE_PFR_REQ, /* set by driver */ + ICE_CORER_REQ, /* set by driver */ + ICE_GLOBR_REQ, /* set by driver */ + ICE_CORER_RECV, /* set by OICR handler */ + ICE_GLOBR_RECV, /* set by OICR handler */ + ICE_EMPR_RECV, /* set by OICR handler */ + ICE_SUSPENDED, /* set on module remove path */ + ICE_RESET_FAILED, /* set by reset/rebuild */ + /* When checking for the PF to be in a nominal operating state, the + * bits that are grouped at the beginning of the list need to be + * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will + * be checked. If you need to add a bit into consideration for nominal + * operating state, it must be added before + * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position + * without appropriate consideration. + */ + ICE_STATE_NOMINAL_CHECK_BITS, + ICE_ADMINQ_EVENT_PENDING, + ICE_MAILBOXQ_EVENT_PENDING, + ICE_SIDEBANDQ_EVENT_PENDING, + ICE_MDD_EVENT_PENDING, + ICE_VFLR_EVENT_PENDING, + ICE_FLTR_OVERFLOW_PROMISC, + ICE_VF_DIS, + ICE_CFG_BUSY, + ICE_SERVICE_SCHED, + ICE_SERVICE_DIS, + ICE_FD_FLUSH_REQ, + ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ + ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ + ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ + ICE_LINK_DEFAULT_OVERRIDE_PENDING, + ICE_PHY_INIT_COMPLETE, + ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ + ICE_AUX_ERR_PENDING, + ICE_STATE_NBITS /* must be last */ +}; + +enum ice_vsi_state { + ICE_VSI_DOWN, + ICE_VSI_NEEDS_RESTART, + ICE_VSI_NETDEV_ALLOCD, + ICE_VSI_NETDEV_REGISTERED, + ICE_VSI_UMAC_FLTR_CHANGED, + ICE_VSI_MMAC_FLTR_CHANGED, + ICE_VSI_PROMISC_CHANGED, + ICE_VSI_STATE_NBITS /* must be last */ +}; + +struct ice_vsi_stats { + struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ + struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ +}; + +/* struct that defines a VSI, associated with a dev */ +struct ice_vsi { + struct net_device *netdev; + struct ice_sw *vsw; /* switch this VSI is on */ + struct ice_pf *back; /* back pointer to PF */ + struct ice_port_info *port_info; /* back pointer to port_info */ + struct ice_rx_ring **rx_rings; /* Rx ring array */ + struct ice_tx_ring **tx_rings; /* Tx ring array */ + struct ice_q_vector **q_vectors; /* q_vector array */ + + irqreturn_t (*irq_handler)(int irq, void *data); + + u64 tx_linearize; + DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); + unsigned int current_netdev_flags; + u32 tx_restart; + u32 tx_busy; + u32 rx_buf_failed; + u32 rx_page_failed; + u16 num_q_vectors; + /* tell if only dynamic irq allocation is allowed */ + bool irq_dyn_alloc; + + enum ice_vsi_type type; + u16 vsi_num; /* HW (absolute) index of this VSI */ + u16 idx; /* software index in pf->vsi[] */ + + struct ice_vf *vf; /* VF associated with this VSI */ + + u16 num_gfltr; + u16 num_bfltr; + + /* RSS config */ + u16 rss_table_size; /* HW RSS table size */ + u16 rss_size; /* Allocated RSS queues */ + u8 *rss_hkey_user; /* User configured hash keys */ + u8 *rss_lut_user; /* User configured lookup table entries */ + u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ + + /* aRFS members only allocated for the PF VSI */ +#define ICE_MAX_ARFS_LIST 1024 +#define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) + struct hlist_head *arfs_fltr_list; + struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; + spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ + atomic_t *arfs_last_fltr_id; + + u16 max_frame; + u16 rx_buf_len; + + struct ice_aqc_vsi_props info; /* VSI properties */ + struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */ + + /* VSI stats */ + struct rtnl_link_stats64 net_stats; + struct rtnl_link_stats64 net_stats_prev; + struct ice_eth_stats eth_stats; + struct ice_eth_stats eth_stats_prev; + + struct list_head tmp_sync_list; /* MAC filters to be synced */ + struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ + + u8 irqs_ready:1; + u8 current_isup:1; /* Sync 'link up' logging */ + u8 stat_offsets_loaded:1; + struct ice_vsi_vlan_ops inner_vlan_ops; + struct ice_vsi_vlan_ops outer_vlan_ops; + u16 num_vlan; + + /* queue information */ + u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ + u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ + u16 *txq_map; /* index in pf->avail_txqs */ + u16 *rxq_map; /* index in pf->avail_rxqs */ + u16 alloc_txq; /* Allocated Tx queues */ + u16 num_txq; /* Used Tx queues */ + u16 alloc_rxq; /* Allocated Rx queues */ + u16 num_rxq; /* Used Rx queues */ + u16 req_txq; /* User requested Tx queues */ + u16 req_rxq; /* User requested Rx queues */ + u16 num_rx_desc; + u16 num_tx_desc; + u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; + struct ice_tc_cfg tc_cfg; + struct bpf_prog *xdp_prog; + struct ice_tx_ring **xdp_rings; /* XDP ring array */ + unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ + u16 num_xdp_txq; /* Used XDP queues */ + u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ + + struct net_device **target_netdevs; + + struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ + + /* Channel Specific Fields */ + struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC]; + u16 cnt_q_avail; + u16 next_base_q; /* next queue to be used for channel setup */ + struct list_head ch_list; + u16 num_chnl_rxq; + u16 num_chnl_txq; + u16 ch_rss_size; + u16 num_chnl_fltr; + /* store away rss size info before configuring ADQ channels so that, + * it can be used after tc-qdisc delete, to get back RSS setting as + * they were before + */ + u16 orig_rss_size; + /* this keeps tracks of all enabled TC with and without DCB + * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue + * information + */ + u8 all_numtc; + u16 all_enatc; + + /* store away TC info, to be used for rebuild logic */ + u8 old_numtc; + u16 old_ena_tc; + + struct ice_channel *ch; + + /* setup back reference, to which aggregator node this VSI + * corresponds to + */ + struct ice_agg_node *agg_node; +} ____cacheline_internodealigned_in_smp; + +/* struct that defines an interrupt vector */ +struct ice_q_vector { + struct ice_vsi *vsi; + + u16 v_idx; /* index in the vsi->q_vector array. */ + u16 reg_idx; + u8 num_ring_rx; /* total number of Rx rings in vector */ + u8 num_ring_tx; /* total number of Tx rings in vector */ + u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ + /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this + * value to the device + */ + u8 intrl; + + struct napi_struct napi; + + struct ice_ring_container rx; + struct ice_ring_container tx; + + cpumask_t affinity_mask; + struct irq_affinity_notify affinity_notify; + + struct ice_channel *ch; + + char name[ICE_INT_NAME_STR_LEN]; + + u16 total_events; /* net_dim(): number of interrupts processed */ + struct msi_map irq; +} ____cacheline_internodealigned_in_smp; + +enum ice_pf_flags { + ICE_FLAG_FLTR_SYNC, + ICE_FLAG_RDMA_ENA, + ICE_FLAG_RSS_ENA, + ICE_FLAG_SRIOV_ENA, + ICE_FLAG_SRIOV_CAPABLE, + ICE_FLAG_DCB_CAPABLE, + ICE_FLAG_DCB_ENA, + ICE_FLAG_FD_ENA, + ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ + ICE_FLAG_PTP, /* PTP is enabled by software */ + ICE_FLAG_ADV_FEATURES, + ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ + ICE_FLAG_CLS_FLOWER, + ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, + ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, + ICE_FLAG_NO_MEDIA, + ICE_FLAG_FW_LLDP_AGENT, + ICE_FLAG_MOD_POWER_UNSUPPORTED, + ICE_FLAG_PHY_FW_LOAD_FAILED, + ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ + ICE_FLAG_LEGACY_RX, + ICE_FLAG_VF_TRUE_PROMISC_ENA, + ICE_FLAG_MDD_AUTO_RESET_VF, + ICE_FLAG_VF_VLAN_PRUNING, + ICE_FLAG_LINK_LENIENT_MODE_ENA, + ICE_FLAG_PLUG_AUX_DEV, + ICE_FLAG_UNPLUG_AUX_DEV, + ICE_FLAG_MTU_CHANGED, + ICE_FLAG_GNSS, /* GNSS successfully initialized */ + ICE_PF_FLAGS_NBITS /* must be last */ +}; + +enum ice_misc_thread_tasks { + ICE_MISC_THREAD_EXTTS_EVENT, + ICE_MISC_THREAD_TX_TSTAMP, + ICE_MISC_THREAD_NBITS /* must be last */ +}; + +struct ice_switchdev_info { + struct ice_vsi *control_vsi; + struct ice_vsi *uplink_vsi; + struct ice_esw_br_offloads *br_offloads; + bool is_running; +}; + +struct ice_agg_node { + u32 agg_id; +#define ICE_MAX_VSIS_IN_AGG_NODE 64 + u32 num_vsis; + u8 valid; +}; + +struct ice_pf { + struct pci_dev *pdev; + + struct devlink_region *nvm_region; + struct devlink_region *sram_region; + struct devlink_region *devcaps_region; + + /* devlink port data */ + struct devlink_port devlink_port; + + /* OS reserved IRQ details */ + struct msix_entry *msix_entries; + struct ice_irq_tracker irq_tracker; + /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the + * number of MSIX vectors needed for all SR-IOV VFs from the number of + * MSIX vectors allowed on this PF. + */ + u16 sriov_base_vector; + + u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ + + struct ice_vsi **vsi; /* VSIs created by the driver */ + struct ice_vsi_stats **vsi_stats; + struct ice_sw *first_sw; /* first switch created by firmware */ + u16 eswitch_mode; /* current mode of eswitch */ + struct ice_vfs vfs; + DECLARE_BITMAP(features, ICE_F_MAX); + DECLARE_BITMAP(state, ICE_STATE_NBITS); + DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); + DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS); + unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ + unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ + unsigned long serv_tmr_period; + unsigned long serv_tmr_prev; + struct timer_list serv_tmr; + struct work_struct serv_task; + struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ + struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ + struct mutex tc_mutex; /* lock to protect TC changes */ + struct mutex adev_mutex; /* lock to protect aux device access */ + struct mutex lag_mutex; /* protect ice_lag struct in PF */ + u32 msg_enable; + struct ice_ptp ptp; + struct gnss_serial *gnss_serial; + struct gnss_device *gnss_dev; + u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ + u16 rdma_base_vector; + + /* spinlock to protect the AdminQ wait list */ + spinlock_t aq_wait_lock; + struct hlist_head aq_wait_list; + wait_queue_head_t aq_wait_queue; + bool fw_emp_reset_disabled; + + wait_queue_head_t reset_wait_queue; + + u32 hw_csum_rx_error; + u32 oicr_err_reg; + struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ + u16 max_pf_txqs; /* Total Tx queues PF wide */ + u16 max_pf_rxqs; /* Total Rx queues PF wide */ + u16 num_lan_msix; /* Total MSIX vectors for base driver */ + u16 num_lan_tx; /* num LAN Tx queues setup */ + u16 num_lan_rx; /* num LAN Rx queues setup */ + u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ + u16 num_alloc_vsi; + u16 corer_count; /* Core reset count */ + u16 globr_count; /* Global reset count */ + u16 empr_count; /* EMP reset count */ + u16 pfr_count; /* PF reset count */ + + u8 wol_ena : 1; /* software state of WoL */ + u32 wakeup_reason; /* last wakeup reason */ + struct ice_hw_port_stats stats; + struct ice_hw_port_stats stats_prev; + struct ice_hw hw; + u8 stat_prev_loaded:1; /* has previous stats been loaded */ + u8 rdma_mode; + u16 dcbx_cap; + u32 tx_timeout_count; + unsigned long tx_timeout_last_recovery; + u32 tx_timeout_recovery_level; + char int_name[ICE_INT_NAME_STR_LEN]; + struct auxiliary_device *adev; + int aux_idx; + u32 sw_int_count; + /* count of tc_flower filters specific to channel (aka where filter + * action is "hw_tc <tc_num>") + */ + u16 num_dmac_chnl_fltrs; + struct hlist_head tc_flower_fltr_list; + + u64 supported_rxdids; + + __le64 nvm_phy_type_lo; /* NVM PHY type low */ + __le64 nvm_phy_type_hi; /* NVM PHY type high */ + struct ice_link_default_override_tlv link_dflt_override; + struct ice_lag *lag; /* Link Aggregation information */ + + struct ice_switchdev_info switchdev; + struct ice_esw_br_port *br_port; + +#define ICE_INVALID_AGG_NODE_ID 0 +#define ICE_PF_AGG_NODE_ID_START 1 +#define ICE_MAX_PF_AGG_NODES 32 + struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; +#define ICE_VF_AGG_NODE_ID_START 65 +#define ICE_MAX_VF_AGG_NODES 32 + struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; +}; + +extern struct workqueue_struct *ice_lag_wq; + +struct ice_netdev_priv { + struct ice_vsi *vsi; + struct ice_repr *repr; + /* indirect block callbacks on registered higher level devices + * (e.g. tunnel devices) + * + * tc_indr_block_cb_priv_list is used to look up indirect callback + * private data + */ + struct list_head tc_indr_block_priv_list; +}; + +/** + * ice_vector_ch_enabled + * @qv: pointer to q_vector, can be NULL + * + * This function returns true if vector is channel enabled otherwise false + */ +static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) +{ + return !!qv->ch; /* Enable it to run with TC */ +} + +/** + * ice_irq_dynamic_ena - Enable default interrupt generation settings + * @hw: pointer to HW struct + * @vsi: pointer to VSI struct, can be NULL + * @q_vector: pointer to q_vector, can be NULL + */ +static inline void +ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, + struct ice_q_vector *q_vector) +{ + u32 vector = (vsi && q_vector) ? q_vector->reg_idx : + ((struct ice_pf *)hw->back)->oicr_irq.index; + int itr = ICE_ITR_NONE; + u32 val; + + /* clear the PBA here, as this function is meant to clean out all + * previous interrupts and enable the interrupt + */ + val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | + (itr << GLINT_DYN_CTL_ITR_INDX_S); + if (vsi) + if (test_bit(ICE_VSI_DOWN, vsi->state)) + return; + wr32(hw, GLINT_DYN_CTL(vector), val); +} + +/** + * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev + * @netdev: pointer to the netdev struct + */ +static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + + return np->vsi->back; +} + +static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) +{ + return !!READ_ONCE(vsi->xdp_prog); +} + +static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) +{ + ring->flags |= ICE_TX_FLAGS_RING_XDP; +} + +/** + * ice_xsk_pool - get XSK buffer pool bound to a ring + * @ring: Rx ring to use + * + * Returns a pointer to xsk_buff_pool structure if there is a buffer pool + * present, NULL otherwise. + */ +static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring) +{ + struct ice_vsi *vsi = ring->vsi; + u16 qid = ring->q_index; + + if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) + return NULL; + + return xsk_get_pool_from_qid(vsi->netdev, qid); +} + +/** + * ice_tx_xsk_pool - assign XSK buff pool to XDP ring + * @vsi: pointer to VSI + * @qid: index of a queue to look at XSK buff pool presence + * + * Sets XSK buff pool pointer on XDP ring. + * + * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided + * queue id. Reason for doing so is that queue vectors might have assigned more + * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring + * carries a pointer to one of these XDP rings for its own purposes, such as + * handling XDP_TX action, therefore we can piggyback here on the + * rx_ring->xdp_ring assignment that was done during XDP rings initialization. + */ +static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) +{ + struct ice_tx_ring *ring; + + ring = vsi->rx_rings[qid]->xdp_ring; + if (!ring) + return; + + if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) { + ring->xsk_pool = NULL; + return; + } + + ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid); +} + +/** + * ice_get_main_vsi - Get the PF VSI + * @pf: PF instance + * + * returns pf->vsi[0], which by definition is the PF VSI + */ +static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) +{ + if (pf->vsi) + return pf->vsi[0]; + + return NULL; +} + +/** + * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. + * @np: private netdev structure + */ +static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) +{ + /* In case of port representor return source port VSI. */ + if (np->repr) + return np->repr->src_vsi; + else + return np->vsi; +} + +/** + * ice_get_ctrl_vsi - Get the control VSI + * @pf: PF instance + */ +static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) +{ + /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ + if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) + return NULL; + + return pf->vsi[pf->ctrl_vsi_idx]; +} + +/** + * ice_find_vsi - Find the VSI from VSI ID + * @pf: The PF pointer to search in + * @vsi_num: The VSI ID to search for + */ +static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) +{ + int i; + + ice_for_each_vsi(pf, i) + if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) + return pf->vsi[i]; + return NULL; +} + +/** + * ice_is_switchdev_running - check if switchdev is configured + * @pf: pointer to PF structure + * + * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV + * and switchdev is configured, false otherwise. + */ +static inline bool ice_is_switchdev_running(struct ice_pf *pf) +{ + return pf->switchdev.is_running; +} + +#define ICE_FD_STAT_CTR_BLOCK_COUNT 256 +#define ICE_FD_STAT_PF_IDX(base_idx) \ + ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) +#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) +#define ICE_FD_STAT_CH 1 +#define ICE_FD_CH_STAT_IDX(base_idx) \ + (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) + +/** + * ice_is_adq_active - any active ADQs + * @pf: pointer to PF + * + * This function returns true if there are any ADQs configured (which is + * determined by looking at VSI type (which should be VSI_PF), numtc, and + * TC_MQPRIO flag) otherwise return false + */ +static inline bool ice_is_adq_active(struct ice_pf *pf) +{ + struct ice_vsi *vsi; + + vsi = ice_get_main_vsi(pf); + if (!vsi) + return false; + + /* is ADQ configured */ + if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && + test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) + return true; + + return false; +} + +bool netif_is_ice(const struct net_device *dev); +int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); +int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); +int ice_vsi_open_ctrl(struct ice_vsi *vsi); +int ice_vsi_open(struct ice_vsi *vsi); +void ice_set_ethtool_ops(struct net_device *netdev); +void ice_set_ethtool_repr_ops(struct net_device *netdev); +void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); +u16 ice_get_avail_txq_count(struct ice_pf *pf); +u16 ice_get_avail_rxq_count(struct ice_pf *pf); +int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); +void ice_update_vsi_stats(struct ice_vsi *vsi); +void ice_update_pf_stats(struct ice_pf *pf); +void +ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, + struct ice_q_stats stats, u64 *pkts, u64 *bytes); +int ice_up(struct ice_vsi *vsi); +int ice_down(struct ice_vsi *vsi); +int ice_down_up(struct ice_vsi *vsi); +int ice_vsi_cfg_lan(struct ice_vsi *vsi); +struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); +int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); +int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); +int ice_destroy_xdp_rings(struct ice_vsi *vsi); +int +ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, + u32 flags); +int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); +int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); +int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); +int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); +void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); +int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); +void ice_print_link_msg(struct ice_vsi *vsi, bool isup); +int ice_plug_aux_dev(struct ice_pf *pf); +void ice_unplug_aux_dev(struct ice_pf *pf); +int ice_init_rdma(struct ice_pf *pf); +void ice_deinit_rdma(struct ice_pf *pf); +const char *ice_aq_str(enum ice_aq_err aq_err); +bool ice_is_wol_supported(struct ice_hw *hw); +void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); +int +ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, + bool is_tun); +void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); +int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); +int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); +int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); +int +ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, + u32 *rule_locs); +void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); +void ice_fdir_release_flows(struct ice_hw *hw); +void ice_fdir_replay_flows(struct ice_hw *hw); +void ice_fdir_replay_fltrs(struct ice_pf *pf); +int ice_fdir_create_dflt_rules(struct ice_pf *pf); + +enum ice_aq_task_state { + ICE_AQ_TASK_NOT_PREPARED, + ICE_AQ_TASK_WAITING, + ICE_AQ_TASK_COMPLETE, + ICE_AQ_TASK_CANCELED, +}; + +struct ice_aq_task { + struct hlist_node entry; + struct ice_rq_event_info event; + enum ice_aq_task_state state; + u16 opcode; +}; + +void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task, + u16 opcode); +int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, + unsigned long timeout); +int ice_open(struct net_device *netdev); +int ice_open_internal(struct net_device *netdev); +int ice_stop(struct net_device *netdev); +void ice_service_task_schedule(struct ice_pf *pf); +int ice_load(struct ice_pf *pf); +void ice_unload(struct ice_pf *pf); + +/** + * ice_set_rdma_cap - enable RDMA support + * @pf: PF struct + */ +static inline void ice_set_rdma_cap(struct ice_pf *pf) +{ + if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { + set_bit(ICE_FLAG_RDMA_ENA, pf->flags); + set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); + } +} + +/** + * ice_clear_rdma_cap - disable RDMA support + * @pf: PF struct + */ +static inline void ice_clear_rdma_cap(struct ice_pf *pf) +{ + /* defer unplug to service task to avoid RTNL lock and + * clear PLUG bit so that pending plugs don't interfere + */ + clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); + set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); + clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); +} +#endif /* _ICE_H_ */ |