linux/drivers/net/ethernet/intel/ice/ice.h
<<
>>
Prefs
   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (c) 2018, Intel Corporation. */
   3
   4#ifndef _ICE_H_
   5#define _ICE_H_
   6
   7#include <linux/types.h>
   8#include <linux/errno.h>
   9#include <linux/kernel.h>
  10#include <linux/module.h>
  11#include <linux/firmware.h>
  12#include <linux/netdevice.h>
  13#include <linux/compiler.h>
  14#include <linux/etherdevice.h>
  15#include <linux/skbuff.h>
  16#include <linux/cpumask.h>
  17#include <linux/rtnetlink.h>
  18#include <linux/if_vlan.h>
  19#include <linux/dma-mapping.h>
  20#include <linux/pci.h>
  21#include <linux/workqueue.h>
  22#include <linux/wait.h>
  23#include <linux/aer.h>
  24#include <linux/interrupt.h>
  25#include <linux/ethtool.h>
  26#include <linux/timer.h>
  27#include <linux/delay.h>
  28#include <linux/bitmap.h>
  29#include <linux/log2.h>
  30#include <linux/ip.h>
  31#include <linux/sctp.h>
  32#include <linux/ipv6.h>
  33#include <linux/pkt_sched.h>
  34#include <linux/if_bridge.h>
  35#include <linux/ctype.h>
  36#include <linux/bpf.h>
  37#include <linux/avf/virtchnl.h>
  38#include <linux/cpu_rmap.h>
  39#include <linux/dim.h>
  40#include <net/devlink.h>
  41#include <net/ipv6.h>
  42#include <net/xdp_sock.h>
  43#include <net/xdp_sock_drv.h>
  44#include <net/geneve.h>
  45#include <net/gre.h>
  46#include <net/udp_tunnel.h>
  47#include <net/vxlan.h>
  48#if IS_ENABLED(CONFIG_DCB)
  49#include <scsi/iscsi_proto.h>
  50#endif /* CONFIG_DCB */
  51#include "ice_devids.h"
  52#include "ice_type.h"
  53#include "ice_txrx.h"
  54#include "ice_dcb.h"
  55#include "ice_switch.h"
  56#include "ice_common.h"
  57#include "ice_sched.h"
  58#include "ice_virtchnl_pf.h"
  59#include "ice_sriov.h"
  60#include "ice_fdir.h"
  61#include "ice_xsk.h"
  62#include "ice_arfs.h"
  63#include "ice_lag.h"
  64
  65#define ICE_BAR0                0
  66#define ICE_REQ_DESC_MULTIPLE   32
  67#define ICE_MIN_NUM_DESC        64
  68#define ICE_MAX_NUM_DESC        8160
  69#define ICE_DFLT_MIN_RX_DESC    512
  70#define ICE_DFLT_NUM_TX_DESC    256
  71#define ICE_DFLT_NUM_RX_DESC    2048
  72
  73#define ICE_DFLT_TRAFFIC_CLASS  BIT(0)
  74#define ICE_INT_NAME_STR_LEN    (IFNAMSIZ + 16)
  75#define ICE_AQ_LEN              64
  76#define ICE_MBXSQ_LEN           64
  77#define ICE_MIN_LAN_TXRX_MSIX   1
  78#define ICE_MIN_LAN_OICR_MSIX   1
  79#define ICE_MIN_MSIX            (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
  80#define ICE_FDIR_MSIX           2
  81#define ICE_NO_VSI              0xffff
  82#define ICE_VSI_MAP_CONTIG      0
  83#define ICE_VSI_MAP_SCATTER     1
  84#define ICE_MAX_SCATTER_TXQS    16
  85#define ICE_MAX_SCATTER_RXQS    16
  86#define ICE_Q_WAIT_RETRY_LIMIT  10
  87#define ICE_Q_WAIT_MAX_RETRY    (5 * ICE_Q_WAIT_RETRY_LIMIT)
  88#define ICE_MAX_LG_RSS_QS       256
  89#define ICE_RES_VALID_BIT       0x8000
  90#define ICE_RES_MISC_VEC_ID     (ICE_RES_VALID_BIT - 1)
  91/* All VF control VSIs share the same IRQ, so assign a unique ID for them */
  92#define ICE_RES_VF_CTRL_VEC_ID  (ICE_RES_MISC_VEC_ID - 1)
  93#define ICE_INVAL_Q_INDEX       0xffff
  94#define ICE_INVAL_VFID          256
  95
  96#define ICE_MAX_RXQS_PER_TC             256     /* Used when setting VSI context per TC Rx queues */
  97#define ICE_MAX_RESET_WAIT              20
  98
  99#define ICE_VSIQF_HKEY_ARRAY_SIZE       ((VSIQF_HKEY_MAX_INDEX + 1) *   4)
 100
 101#define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
 102
 103#define ICE_MAX_MTU     (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
 104
 105#define ICE_UP_TABLE_TRANSLATE(val, i) \
 106                (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
 107                  ICE_AQ_VSI_UP_TABLE_UP##i##_M)
 108
 109#define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
 110#define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
 111#define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
 112#define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
 113
 114/* Macro for each VSI in a PF */
 115#define ice_for_each_vsi(pf, i) \
 116        for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
 117
 118/* Macros for each Tx/Rx ring in a VSI */
 119#define ice_for_each_txq(vsi, i) \
 120        for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
 121
 122#define ice_for_each_rxq(vsi, i) \
 123        for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
 124
 125/* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
 126#define ice_for_each_alloc_txq(vsi, i) \
 127        for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
 128
 129#define ice_for_each_alloc_rxq(vsi, i) \
 130        for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
 131
 132#define ice_for_each_q_vector(vsi, i) \
 133        for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
 134
 135#define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \
 136                                ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX)
 137
 138#define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
 139                                     ICE_PROMISC_MCAST_TX | \
 140                                     ICE_PROMISC_UCAST_RX | \
 141                                     ICE_PROMISC_MCAST_RX | \
 142                                     ICE_PROMISC_VLAN_TX  | \
 143                                     ICE_PROMISC_VLAN_RX)
 144
 145#define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
 146
 147#define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
 148                                     ICE_PROMISC_MCAST_RX | \
 149                                     ICE_PROMISC_VLAN_TX  | \
 150                                     ICE_PROMISC_VLAN_RX)
 151
 152#define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
 153
 154struct ice_txq_meta {
 155        u32 q_teid;     /* Tx-scheduler element identifier */
 156        u16 q_id;       /* Entry in VSI's txq_map bitmap */
 157        u16 q_handle;   /* Relative index of Tx queue within TC */
 158        u16 vsi_idx;    /* VSI index that Tx queue belongs to */
 159        u8 tc;          /* TC number that Tx queue belongs to */
 160};
 161
 162struct ice_tc_info {
 163        u16 qoffset;
 164        u16 qcount_tx;
 165        u16 qcount_rx;
 166        u8 netdev_tc;
 167};
 168
 169struct ice_tc_cfg {
 170        u8 numtc; /* Total number of enabled TCs */
 171        u8 ena_tc; /* Tx map */
 172        struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
 173};
 174
 175struct ice_res_tracker {
 176        u16 num_entries;
 177        u16 end;
 178        u16 list[];
 179};
 180
 181struct ice_qs_cfg {
 182        struct mutex *qs_mutex;  /* will be assigned to &pf->avail_q_mutex */
 183        unsigned long *pf_map;
 184        unsigned long pf_map_size;
 185        unsigned int q_count;
 186        unsigned int scatter_count;
 187        u16 *vsi_map;
 188        u16 vsi_map_offset;
 189        u8 mapping_mode;
 190};
 191
 192struct ice_sw {
 193        struct ice_pf *pf;
 194        u16 sw_id;              /* switch ID for this switch */
 195        u16 bridge_mode;        /* VEB/VEPA/Port Virtualizer */
 196        struct ice_vsi *dflt_vsi;       /* default VSI for this switch */
 197        u8 dflt_vsi_ena:1;      /* true if above dflt_vsi is enabled */
 198};
 199
 200enum ice_pf_state {
 201        ICE_TESTING,
 202        ICE_DOWN,
 203        ICE_NEEDS_RESTART,
 204        ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
 205        ICE_RESET_OICR_RECV,            /* set by driver after rcv reset OICR */
 206        ICE_PFR_REQ,                    /* set by driver and peers */
 207        ICE_CORER_REQ,          /* set by driver and peers */
 208        ICE_GLOBR_REQ,          /* set by driver and peers */
 209        ICE_CORER_RECV,         /* set by OICR handler */
 210        ICE_GLOBR_RECV,         /* set by OICR handler */
 211        ICE_EMPR_RECV,          /* set by OICR handler */
 212        ICE_SUSPENDED,          /* set on module remove path */
 213        ICE_RESET_FAILED,               /* set by reset/rebuild */
 214        /* When checking for the PF to be in a nominal operating state, the
 215         * bits that are grouped at the beginning of the list need to be
 216         * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
 217         * be checked. If you need to add a bit into consideration for nominal
 218         * operating state, it must be added before
 219         * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
 220         * without appropriate consideration.
 221         */
 222        ICE_STATE_NOMINAL_CHECK_BITS,
 223        ICE_ADMINQ_EVENT_PENDING,
 224        ICE_MAILBOXQ_EVENT_PENDING,
 225        ICE_MDD_EVENT_PENDING,
 226        ICE_VFLR_EVENT_PENDING,
 227        ICE_FLTR_OVERFLOW_PROMISC,
 228        ICE_VF_DIS,
 229        ICE_VF_DEINIT_IN_PROGRESS,
 230        ICE_CFG_BUSY,
 231        ICE_SERVICE_SCHED,
 232        ICE_SERVICE_DIS,
 233        ICE_FD_FLUSH_REQ,
 234        ICE_OICR_INTR_DIS,              /* Global OICR interrupt disabled */
 235        ICE_MDD_VF_PRINT_PENDING,       /* set when MDD event handle */
 236        ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
 237        ICE_LINK_DEFAULT_OVERRIDE_PENDING,
 238        ICE_PHY_INIT_COMPLETE,
 239        ICE_FD_VF_FLUSH_CTX,            /* set at FD Rx IRQ or timeout */
 240        ICE_STATE_NBITS         /* must be last */
 241};
 242
 243enum ice_vsi_state {
 244        ICE_VSI_DOWN,
 245        ICE_VSI_NEEDS_RESTART,
 246        ICE_VSI_NETDEV_ALLOCD,
 247        ICE_VSI_NETDEV_REGISTERED,
 248        ICE_VSI_UMAC_FLTR_CHANGED,
 249        ICE_VSI_MMAC_FLTR_CHANGED,
 250        ICE_VSI_VLAN_FLTR_CHANGED,
 251        ICE_VSI_PROMISC_CHANGED,
 252        ICE_VSI_STATE_NBITS             /* must be last */
 253};
 254
 255/* struct that defines a VSI, associated with a dev */
 256struct ice_vsi {
 257        struct net_device *netdev;
 258        struct ice_sw *vsw;              /* switch this VSI is on */
 259        struct ice_pf *back;             /* back pointer to PF */
 260        struct ice_port_info *port_info; /* back pointer to port_info */
 261        struct ice_ring **rx_rings;      /* Rx ring array */
 262        struct ice_ring **tx_rings;      /* Tx ring array */
 263        struct ice_q_vector **q_vectors; /* q_vector array */
 264
 265        irqreturn_t (*irq_handler)(int irq, void *data);
 266
 267        u64 tx_linearize;
 268        DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
 269        unsigned int current_netdev_flags;
 270        u32 tx_restart;
 271        u32 tx_busy;
 272        u32 rx_buf_failed;
 273        u32 rx_page_failed;
 274        u16 num_q_vectors;
 275        u16 base_vector;                /* IRQ base for OS reserved vectors */
 276        enum ice_vsi_type type;
 277        u16 vsi_num;                    /* HW (absolute) index of this VSI */
 278        u16 idx;                        /* software index in pf->vsi[] */
 279
 280        s16 vf_id;                      /* VF ID for SR-IOV VSIs */
 281
 282        u16 ethtype;                    /* Ethernet protocol for pause frame */
 283        u16 num_gfltr;
 284        u16 num_bfltr;
 285
 286        /* RSS config */
 287        u16 rss_table_size;     /* HW RSS table size */
 288        u16 rss_size;           /* Allocated RSS queues */
 289        u8 *rss_hkey_user;      /* User configured hash keys */
 290        u8 *rss_lut_user;       /* User configured lookup table entries */
 291        u8 rss_lut_type;        /* used to configure Get/Set RSS LUT AQ call */
 292
 293        /* aRFS members only allocated for the PF VSI */
 294#define ICE_MAX_ARFS_LIST       1024
 295#define ICE_ARFS_LST_MASK       (ICE_MAX_ARFS_LIST - 1)
 296        struct hlist_head *arfs_fltr_list;
 297        struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
 298        spinlock_t arfs_lock;   /* protects aRFS hash table and filter state */
 299        atomic_t *arfs_last_fltr_id;
 300
 301        /* devlink port data */
 302        struct devlink_port devlink_port;
 303        bool devlink_port_registered;
 304
 305        u16 max_frame;
 306        u16 rx_buf_len;
 307
 308        struct ice_aqc_vsi_props info;   /* VSI properties */
 309
 310        /* VSI stats */
 311        struct rtnl_link_stats64 net_stats;
 312        struct ice_eth_stats eth_stats;
 313        struct ice_eth_stats eth_stats_prev;
 314
 315        struct list_head tmp_sync_list;         /* MAC filters to be synced */
 316        struct list_head tmp_unsync_list;       /* MAC filters to be unsynced */
 317
 318        u8 irqs_ready:1;
 319        u8 current_isup:1;               /* Sync 'link up' logging */
 320        u8 stat_offsets_loaded:1;
 321        u16 num_vlan;
 322
 323        /* queue information */
 324        u8 tx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 325        u8 rx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 326        u16 *txq_map;                    /* index in pf->avail_txqs */
 327        u16 *rxq_map;                    /* index in pf->avail_rxqs */
 328        u16 alloc_txq;                   /* Allocated Tx queues */
 329        u16 num_txq;                     /* Used Tx queues */
 330        u16 alloc_rxq;                   /* Allocated Rx queues */
 331        u16 num_rxq;                     /* Used Rx queues */
 332        u16 req_txq;                     /* User requested Tx queues */
 333        u16 req_rxq;                     /* User requested Rx queues */
 334        u16 num_rx_desc;
 335        u16 num_tx_desc;
 336        struct ice_tc_cfg tc_cfg;
 337        struct bpf_prog *xdp_prog;
 338        struct ice_ring **xdp_rings;     /* XDP ring array */
 339        unsigned long *af_xdp_zc_qps;    /* tracks AF_XDP ZC enabled qps */
 340        u16 num_xdp_txq;                 /* Used XDP queues */
 341        u8 xdp_mapping_mode;             /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 342
 343        /* setup back reference, to which aggregator node this VSI
 344         * corresponds to
 345         */
 346        struct ice_agg_node *agg_node;
 347} ____cacheline_internodealigned_in_smp;
 348
 349/* struct that defines an interrupt vector */
 350struct ice_q_vector {
 351        struct ice_vsi *vsi;
 352
 353        u16 v_idx;                      /* index in the vsi->q_vector array. */
 354        u16 reg_idx;
 355        u8 num_ring_rx;                 /* total number of Rx rings in vector */
 356        u8 num_ring_tx;                 /* total number of Tx rings in vector */
 357        u8 wb_on_itr:1;                 /* if true, WB on ITR is enabled */
 358        /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
 359         * value to the device
 360         */
 361        u8 intrl;
 362
 363        struct napi_struct napi;
 364
 365        struct ice_ring_container rx;
 366        struct ice_ring_container tx;
 367
 368        cpumask_t affinity_mask;
 369        struct irq_affinity_notify affinity_notify;
 370
 371        char name[ICE_INT_NAME_STR_LEN];
 372
 373        u16 total_events;       /* net_dim(): number of interrupts processed */
 374} ____cacheline_internodealigned_in_smp;
 375
 376enum ice_pf_flags {
 377        ICE_FLAG_FLTR_SYNC,
 378        ICE_FLAG_RSS_ENA,
 379        ICE_FLAG_SRIOV_ENA,
 380        ICE_FLAG_SRIOV_CAPABLE,
 381        ICE_FLAG_DCB_CAPABLE,
 382        ICE_FLAG_DCB_ENA,
 383        ICE_FLAG_FD_ENA,
 384        ICE_FLAG_ADV_FEATURES,
 385        ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
 386        ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
 387        ICE_FLAG_NO_MEDIA,
 388        ICE_FLAG_FW_LLDP_AGENT,
 389        ICE_FLAG_ETHTOOL_CTXT,          /* set when ethtool holds RTNL lock */
 390        ICE_FLAG_LEGACY_RX,
 391        ICE_FLAG_VF_TRUE_PROMISC_ENA,
 392        ICE_FLAG_MDD_AUTO_RESET_VF,
 393        ICE_FLAG_LINK_LENIENT_MODE_ENA,
 394        ICE_PF_FLAGS_NBITS              /* must be last */
 395};
 396
 397struct ice_agg_node {
 398        u32 agg_id;
 399#define ICE_MAX_VSIS_IN_AGG_NODE        64
 400        u32 num_vsis;
 401        u8 valid;
 402};
 403
 404struct ice_pf {
 405        struct pci_dev *pdev;
 406
 407        struct devlink_region *nvm_region;
 408        struct devlink_region *devcaps_region;
 409
 410        /* OS reserved IRQ details */
 411        struct msix_entry *msix_entries;
 412        struct ice_res_tracker *irq_tracker;
 413        /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
 414         * number of MSIX vectors needed for all SR-IOV VFs from the number of
 415         * MSIX vectors allowed on this PF.
 416         */
 417        u16 sriov_base_vector;
 418
 419        u16 ctrl_vsi_idx;               /* control VSI index in pf->vsi array */
 420
 421        struct ice_vsi **vsi;           /* VSIs created by the driver */
 422        struct ice_sw *first_sw;        /* first switch created by firmware */
 423        /* Virtchnl/SR-IOV config info */
 424        struct ice_vf *vf;
 425        u16 num_alloc_vfs;              /* actual number of VFs allocated */
 426        u16 num_vfs_supported;          /* num VFs supported for this PF */
 427        u16 num_qps_per_vf;
 428        u16 num_msix_per_vf;
 429        /* used to ratelimit the MDD event logging */
 430        unsigned long last_printed_mdd_jiffies;
 431        DECLARE_BITMAP(malvfs, ICE_MAX_VF_COUNT);
 432        DECLARE_BITMAP(state, ICE_STATE_NBITS);
 433        DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
 434        unsigned long *avail_txqs;      /* bitmap to track PF Tx queue usage */
 435        unsigned long *avail_rxqs;      /* bitmap to track PF Rx queue usage */
 436        unsigned long serv_tmr_period;
 437        unsigned long serv_tmr_prev;
 438        struct timer_list serv_tmr;
 439        struct work_struct serv_task;
 440        struct mutex avail_q_mutex;     /* protects access to avail_[rx|tx]qs */
 441        struct mutex sw_mutex;          /* lock for protecting VSI alloc flow */
 442        struct mutex tc_mutex;          /* lock to protect TC changes */
 443        u32 msg_enable;
 444
 445        /* spinlock to protect the AdminQ wait list */
 446        spinlock_t aq_wait_lock;
 447        struct hlist_head aq_wait_list;
 448        wait_queue_head_t aq_wait_queue;
 449
 450        u32 hw_csum_rx_error;
 451        u16 oicr_idx;           /* Other interrupt cause MSIX vector index */
 452        u16 num_avail_sw_msix;  /* remaining MSIX SW vectors left unclaimed */
 453        u16 max_pf_txqs;        /* Total Tx queues PF wide */
 454        u16 max_pf_rxqs;        /* Total Rx queues PF wide */
 455        u16 num_lan_msix;       /* Total MSIX vectors for base driver */
 456        u16 num_lan_tx;         /* num LAN Tx queues setup */
 457        u16 num_lan_rx;         /* num LAN Rx queues setup */
 458        u16 next_vsi;           /* Next free slot in pf->vsi[] - 0-based! */
 459        u16 num_alloc_vsi;
 460        u16 corer_count;        /* Core reset count */
 461        u16 globr_count;        /* Global reset count */
 462        u16 empr_count;         /* EMP reset count */
 463        u16 pfr_count;          /* PF reset count */
 464
 465        u8 wol_ena : 1;         /* software state of WoL */
 466        u32 wakeup_reason;      /* last wakeup reason */
 467        struct ice_hw_port_stats stats;
 468        struct ice_hw_port_stats stats_prev;
 469        struct ice_hw hw;
 470        u8 stat_prev_loaded:1; /* has previous stats been loaded */
 471        u16 dcbx_cap;
 472        u32 tx_timeout_count;
 473        unsigned long tx_timeout_last_recovery;
 474        u32 tx_timeout_recovery_level;
 475        char int_name[ICE_INT_NAME_STR_LEN];
 476        u32 sw_int_count;
 477
 478        __le64 nvm_phy_type_lo; /* NVM PHY type low */
 479        __le64 nvm_phy_type_hi; /* NVM PHY type high */
 480        struct ice_link_default_override_tlv link_dflt_override;
 481        struct ice_lag *lag; /* Link Aggregation information */
 482
 483#define ICE_INVALID_AGG_NODE_ID         0
 484#define ICE_PF_AGG_NODE_ID_START        1
 485#define ICE_MAX_PF_AGG_NODES            32
 486        struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
 487#define ICE_VF_AGG_NODE_ID_START        65
 488#define ICE_MAX_VF_AGG_NODES            32
 489        struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
 490};
 491
 492struct ice_netdev_priv {
 493        struct ice_vsi *vsi;
 494};
 495
 496/**
 497 * ice_irq_dynamic_ena - Enable default interrupt generation settings
 498 * @hw: pointer to HW struct
 499 * @vsi: pointer to VSI struct, can be NULL
 500 * @q_vector: pointer to q_vector, can be NULL
 501 */
 502static inline void
 503ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
 504                    struct ice_q_vector *q_vector)
 505{
 506        u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
 507                                ((struct ice_pf *)hw->back)->oicr_idx;
 508        int itr = ICE_ITR_NONE;
 509        u32 val;
 510
 511        /* clear the PBA here, as this function is meant to clean out all
 512         * previous interrupts and enable the interrupt
 513         */
 514        val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
 515              (itr << GLINT_DYN_CTL_ITR_INDX_S);
 516        if (vsi)
 517                if (test_bit(ICE_VSI_DOWN, vsi->state))
 518                        return;
 519        wr32(hw, GLINT_DYN_CTL(vector), val);
 520}
 521
 522/**
 523 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
 524 * @netdev: pointer to the netdev struct
 525 */
 526static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
 527{
 528        struct ice_netdev_priv *np = netdev_priv(netdev);
 529
 530        return np->vsi->back;
 531}
 532
 533static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
 534{
 535        return !!vsi->xdp_prog;
 536}
 537
 538static inline void ice_set_ring_xdp(struct ice_ring *ring)
 539{
 540        ring->flags |= ICE_TX_FLAGS_RING_XDP;
 541}
 542
 543/**
 544 * ice_xsk_pool - get XSK buffer pool bound to a ring
 545 * @ring: ring to use
 546 *
 547 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
 548 * NULL otherwise.
 549 */
 550static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_ring *ring)
 551{
 552        struct ice_vsi *vsi = ring->vsi;
 553        u16 qid = ring->q_index;
 554
 555        if (ice_ring_is_xdp(ring))
 556                qid -= vsi->num_xdp_txq;
 557
 558        if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
 559                return NULL;
 560
 561        return xsk_get_pool_from_qid(vsi->netdev, qid);
 562}
 563
 564/**
 565 * ice_get_main_vsi - Get the PF VSI
 566 * @pf: PF instance
 567 *
 568 * returns pf->vsi[0], which by definition is the PF VSI
 569 */
 570static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
 571{
 572        if (pf->vsi)
 573                return pf->vsi[0];
 574
 575        return NULL;
 576}
 577
 578/**
 579 * ice_get_ctrl_vsi - Get the control VSI
 580 * @pf: PF instance
 581 */
 582static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
 583{
 584        /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
 585        if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
 586                return NULL;
 587
 588        return pf->vsi[pf->ctrl_vsi_idx];
 589}
 590
 591/**
 592 * ice_set_sriov_cap - enable SRIOV in PF flags
 593 * @pf: PF struct
 594 */
 595static inline void ice_set_sriov_cap(struct ice_pf *pf)
 596{
 597        if (pf->hw.func_caps.common_cap.sr_iov_1_1)
 598                set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
 599}
 600
 601/**
 602 * ice_clear_sriov_cap - disable SRIOV in PF flags
 603 * @pf: PF struct
 604 */
 605static inline void ice_clear_sriov_cap(struct ice_pf *pf)
 606{
 607        clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
 608}
 609
 610#define ICE_FD_STAT_CTR_BLOCK_COUNT     256
 611#define ICE_FD_STAT_PF_IDX(base_idx) \
 612                        ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
 613#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
 614
 615bool netif_is_ice(struct net_device *dev);
 616int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
 617int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
 618int ice_vsi_open_ctrl(struct ice_vsi *vsi);
 619void ice_set_ethtool_ops(struct net_device *netdev);
 620void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
 621u16 ice_get_avail_txq_count(struct ice_pf *pf);
 622u16 ice_get_avail_rxq_count(struct ice_pf *pf);
 623int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
 624void ice_update_vsi_stats(struct ice_vsi *vsi);
 625void ice_update_pf_stats(struct ice_pf *pf);
 626int ice_up(struct ice_vsi *vsi);
 627int ice_down(struct ice_vsi *vsi);
 628int ice_vsi_cfg(struct ice_vsi *vsi);
 629struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
 630int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
 631int ice_destroy_xdp_rings(struct ice_vsi *vsi);
 632int
 633ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 634             u32 flags);
 635int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
 636int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
 637int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
 638int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
 639void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
 640int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
 641void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
 642const char *ice_stat_str(enum ice_status stat_err);
 643const char *ice_aq_str(enum ice_aq_err aq_err);
 644bool ice_is_wol_supported(struct ice_hw *hw);
 645int
 646ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
 647                    bool is_tun);
 648void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
 649int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
 650int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
 651int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
 652int
 653ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
 654                      u32 *rule_locs);
 655void ice_fdir_release_flows(struct ice_hw *hw);
 656void ice_fdir_replay_flows(struct ice_hw *hw);
 657void ice_fdir_replay_fltrs(struct ice_pf *pf);
 658int ice_fdir_create_dflt_rules(struct ice_pf *pf);
 659int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
 660                          struct ice_rq_event_info *event);
 661int ice_open(struct net_device *netdev);
 662int ice_open_internal(struct net_device *netdev);
 663int ice_stop(struct net_device *netdev);
 664void ice_service_task_schedule(struct ice_pf *pf);
 665
 666#endif /* _ICE_H_ */
 667