linux/drivers/net/ethernet/intel/ice/ice.h
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   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/btf.h>
  38#include <linux/auxiliary_bus.h>
  39#include <linux/avf/virtchnl.h>
  40#include <linux/cpu_rmap.h>
  41#include <linux/dim.h>
  42#include <net/pkt_cls.h>
  43#include <net/tc_act/tc_mirred.h>
  44#include <net/tc_act/tc_gact.h>
  45#include <net/ip.h>
  46#include <net/devlink.h>
  47#include <net/ipv6.h>
  48#include <net/xdp_sock.h>
  49#include <net/xdp_sock_drv.h>
  50#include <net/geneve.h>
  51#include <net/gre.h>
  52#include <net/udp_tunnel.h>
  53#include <net/vxlan.h>
  54#include <net/gtp.h>
  55#include "ice_devids.h"
  56#include "ice_type.h"
  57#include "ice_txrx.h"
  58#include "ice_dcb.h"
  59#include "ice_switch.h"
  60#include "ice_common.h"
  61#include "ice_flow.h"
  62#include "ice_sched.h"
  63#include "ice_idc_int.h"
  64#include "ice_sriov.h"
  65#include "ice_vf_mbx.h"
  66#include "ice_ptp.h"
  67#include "ice_fdir.h"
  68#include "ice_xsk.h"
  69#include "ice_arfs.h"
  70#include "ice_repr.h"
  71#include "ice_eswitch.h"
  72#include "ice_lag.h"
  73#include "ice_vsi_vlan_ops.h"
  74#include "ice_gnss.h"
  75
  76#define ICE_BAR0                0
  77#define ICE_REQ_DESC_MULTIPLE   32
  78#define ICE_MIN_NUM_DESC        64
  79#define ICE_MAX_NUM_DESC        8160
  80#define ICE_DFLT_MIN_RX_DESC    512
  81#define ICE_DFLT_NUM_TX_DESC    256
  82#define ICE_DFLT_NUM_RX_DESC    2048
  83
  84#define ICE_DFLT_TRAFFIC_CLASS  BIT(0)
  85#define ICE_INT_NAME_STR_LEN    (IFNAMSIZ + 16)
  86#define ICE_AQ_LEN              192
  87#define ICE_MBXSQ_LEN           64
  88#define ICE_SBQ_LEN             64
  89#define ICE_MIN_LAN_TXRX_MSIX   1
  90#define ICE_MIN_LAN_OICR_MSIX   1
  91#define ICE_MIN_MSIX            (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
  92#define ICE_FDIR_MSIX           2
  93#define ICE_RDMA_NUM_AEQ_MSIX   4
  94#define ICE_MIN_RDMA_MSIX       2
  95#define ICE_ESWITCH_MSIX        1
  96#define ICE_NO_VSI              0xffff
  97#define ICE_VSI_MAP_CONTIG      0
  98#define ICE_VSI_MAP_SCATTER     1
  99#define ICE_MAX_SCATTER_TXQS    16
 100#define ICE_MAX_SCATTER_RXQS    16
 101#define ICE_Q_WAIT_RETRY_LIMIT  10
 102#define ICE_Q_WAIT_MAX_RETRY    (5 * ICE_Q_WAIT_RETRY_LIMIT)
 103#define ICE_MAX_LG_RSS_QS       256
 104#define ICE_RES_VALID_BIT       0x8000
 105#define ICE_RES_MISC_VEC_ID     (ICE_RES_VALID_BIT - 1)
 106#define ICE_RES_RDMA_VEC_ID     (ICE_RES_MISC_VEC_ID - 1)
 107/* All VF control VSIs share the same IRQ, so assign a unique ID for them */
 108#define ICE_RES_VF_CTRL_VEC_ID  (ICE_RES_RDMA_VEC_ID - 1)
 109#define ICE_INVAL_Q_INDEX       0xffff
 110
 111#define ICE_MAX_RXQS_PER_TC             256     /* Used when setting VSI context per TC Rx queues */
 112
 113#define ICE_CHNL_START_TC               1
 114
 115#define ICE_MAX_RESET_WAIT              20
 116
 117#define ICE_VSIQF_HKEY_ARRAY_SIZE       ((VSIQF_HKEY_MAX_INDEX + 1) *   4)
 118
 119#define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
 120
 121#define ICE_MAX_MTU     (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
 122
 123#define ICE_UP_TABLE_TRANSLATE(val, i) \
 124                (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
 125                  ICE_AQ_VSI_UP_TABLE_UP##i##_M)
 126
 127#define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
 128#define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
 129#define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
 130#define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
 131
 132/* Minimum BW limit is 500 Kbps for any scheduler node */
 133#define ICE_MIN_BW_LIMIT                500
 134/* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes.
 135 * use it to convert user specified BW limit into Kbps
 136 */
 137#define ICE_BW_KBPS_DIVISOR             125
 138
 139/* Macro for each VSI in a PF */
 140#define ice_for_each_vsi(pf, i) \
 141        for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
 142
 143/* Macros for each Tx/Xdp/Rx ring in a VSI */
 144#define ice_for_each_txq(vsi, i) \
 145        for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
 146
 147#define ice_for_each_xdp_txq(vsi, i) \
 148        for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++)
 149
 150#define ice_for_each_rxq(vsi, i) \
 151        for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
 152
 153/* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
 154#define ice_for_each_alloc_txq(vsi, i) \
 155        for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
 156
 157#define ice_for_each_alloc_rxq(vsi, i) \
 158        for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
 159
 160#define ice_for_each_q_vector(vsi, i) \
 161        for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
 162
 163#define ice_for_each_chnl_tc(i) \
 164        for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)
 165
 166#define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)
 167
 168#define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
 169                                     ICE_PROMISC_UCAST_RX | \
 170                                     ICE_PROMISC_VLAN_TX  | \
 171                                     ICE_PROMISC_VLAN_RX)
 172
 173#define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
 174
 175#define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
 176                                     ICE_PROMISC_MCAST_RX | \
 177                                     ICE_PROMISC_VLAN_TX  | \
 178                                     ICE_PROMISC_VLAN_RX)
 179
 180#define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
 181
 182enum ice_feature {
 183        ICE_F_DSCP,
 184        ICE_F_SMA_CTRL,
 185        ICE_F_GNSS,
 186        ICE_F_MAX
 187};
 188
 189DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
 190
 191struct ice_channel {
 192        struct list_head list;
 193        u8 type;
 194        u16 sw_id;
 195        u16 base_q;
 196        u16 num_rxq;
 197        u16 num_txq;
 198        u16 vsi_num;
 199        u8 ena_tc;
 200        struct ice_aqc_vsi_props info;
 201        u64 max_tx_rate;
 202        u64 min_tx_rate;
 203        atomic_t num_sb_fltr;
 204        struct ice_vsi *ch_vsi;
 205};
 206
 207struct ice_txq_meta {
 208        u32 q_teid;     /* Tx-scheduler element identifier */
 209        u16 q_id;       /* Entry in VSI's txq_map bitmap */
 210        u16 q_handle;   /* Relative index of Tx queue within TC */
 211        u16 vsi_idx;    /* VSI index that Tx queue belongs to */
 212        u8 tc;          /* TC number that Tx queue belongs to */
 213};
 214
 215struct ice_tc_info {
 216        u16 qoffset;
 217        u16 qcount_tx;
 218        u16 qcount_rx;
 219        u8 netdev_tc;
 220};
 221
 222struct ice_tc_cfg {
 223        u8 numtc; /* Total number of enabled TCs */
 224        u16 ena_tc; /* Tx map */
 225        struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
 226};
 227
 228struct ice_res_tracker {
 229        u16 num_entries;
 230        u16 end;
 231        u16 list[];
 232};
 233
 234struct ice_qs_cfg {
 235        struct mutex *qs_mutex;  /* will be assigned to &pf->avail_q_mutex */
 236        unsigned long *pf_map;
 237        unsigned long pf_map_size;
 238        unsigned int q_count;
 239        unsigned int scatter_count;
 240        u16 *vsi_map;
 241        u16 vsi_map_offset;
 242        u8 mapping_mode;
 243};
 244
 245struct ice_sw {
 246        struct ice_pf *pf;
 247        u16 sw_id;              /* switch ID for this switch */
 248        u16 bridge_mode;        /* VEB/VEPA/Port Virtualizer */
 249        struct ice_vsi *dflt_vsi;       /* default VSI for this switch */
 250        u8 dflt_vsi_ena:1;      /* true if above dflt_vsi is enabled */
 251};
 252
 253enum ice_pf_state {
 254        ICE_TESTING,
 255        ICE_DOWN,
 256        ICE_NEEDS_RESTART,
 257        ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
 258        ICE_RESET_OICR_RECV,            /* set by driver after rcv reset OICR */
 259        ICE_PFR_REQ,            /* set by driver */
 260        ICE_CORER_REQ,          /* set by driver */
 261        ICE_GLOBR_REQ,          /* set by driver */
 262        ICE_CORER_RECV,         /* set by OICR handler */
 263        ICE_GLOBR_RECV,         /* set by OICR handler */
 264        ICE_EMPR_RECV,          /* set by OICR handler */
 265        ICE_SUSPENDED,          /* set on module remove path */
 266        ICE_RESET_FAILED,               /* set by reset/rebuild */
 267        /* When checking for the PF to be in a nominal operating state, the
 268         * bits that are grouped at the beginning of the list need to be
 269         * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
 270         * be checked. If you need to add a bit into consideration for nominal
 271         * operating state, it must be added before
 272         * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
 273         * without appropriate consideration.
 274         */
 275        ICE_STATE_NOMINAL_CHECK_BITS,
 276        ICE_ADMINQ_EVENT_PENDING,
 277        ICE_MAILBOXQ_EVENT_PENDING,
 278        ICE_SIDEBANDQ_EVENT_PENDING,
 279        ICE_MDD_EVENT_PENDING,
 280        ICE_VFLR_EVENT_PENDING,
 281        ICE_FLTR_OVERFLOW_PROMISC,
 282        ICE_VF_DIS,
 283        ICE_CFG_BUSY,
 284        ICE_SERVICE_SCHED,
 285        ICE_SERVICE_DIS,
 286        ICE_FD_FLUSH_REQ,
 287        ICE_OICR_INTR_DIS,              /* Global OICR interrupt disabled */
 288        ICE_MDD_VF_PRINT_PENDING,       /* set when MDD event handle */
 289        ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
 290        ICE_LINK_DEFAULT_OVERRIDE_PENDING,
 291        ICE_PHY_INIT_COMPLETE,
 292        ICE_FD_VF_FLUSH_CTX,            /* set at FD Rx IRQ or timeout */
 293        ICE_AUX_ERR_PENDING,
 294        ICE_STATE_NBITS         /* must be last */
 295};
 296
 297enum ice_vsi_state {
 298        ICE_VSI_DOWN,
 299        ICE_VSI_NEEDS_RESTART,
 300        ICE_VSI_NETDEV_ALLOCD,
 301        ICE_VSI_NETDEV_REGISTERED,
 302        ICE_VSI_UMAC_FLTR_CHANGED,
 303        ICE_VSI_MMAC_FLTR_CHANGED,
 304        ICE_VSI_PROMISC_CHANGED,
 305        ICE_VSI_STATE_NBITS             /* must be last */
 306};
 307
 308/* struct that defines a VSI, associated with a dev */
 309struct ice_vsi {
 310        struct net_device *netdev;
 311        struct ice_sw *vsw;              /* switch this VSI is on */
 312        struct ice_pf *back;             /* back pointer to PF */
 313        struct ice_port_info *port_info; /* back pointer to port_info */
 314        struct ice_rx_ring **rx_rings;   /* Rx ring array */
 315        struct ice_tx_ring **tx_rings;   /* Tx ring array */
 316        struct ice_q_vector **q_vectors; /* q_vector array */
 317
 318        irqreturn_t (*irq_handler)(int irq, void *data);
 319
 320        u64 tx_linearize;
 321        DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
 322        unsigned int current_netdev_flags;
 323        u32 tx_restart;
 324        u32 tx_busy;
 325        u32 rx_buf_failed;
 326        u32 rx_page_failed;
 327        u16 num_q_vectors;
 328        u16 base_vector;                /* IRQ base for OS reserved vectors */
 329        enum ice_vsi_type type;
 330        u16 vsi_num;                    /* HW (absolute) index of this VSI */
 331        u16 idx;                        /* software index in pf->vsi[] */
 332
 333        struct ice_vf *vf;              /* VF associated with this VSI */
 334
 335        u16 ethtype;                    /* Ethernet protocol for pause frame */
 336        u16 num_gfltr;
 337        u16 num_bfltr;
 338
 339        /* RSS config */
 340        u16 rss_table_size;     /* HW RSS table size */
 341        u16 rss_size;           /* Allocated RSS queues */
 342        u8 *rss_hkey_user;      /* User configured hash keys */
 343        u8 *rss_lut_user;       /* User configured lookup table entries */
 344        u8 rss_lut_type;        /* used to configure Get/Set RSS LUT AQ call */
 345
 346        /* aRFS members only allocated for the PF VSI */
 347#define ICE_MAX_ARFS_LIST       1024
 348#define ICE_ARFS_LST_MASK       (ICE_MAX_ARFS_LIST - 1)
 349        struct hlist_head *arfs_fltr_list;
 350        struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
 351        spinlock_t arfs_lock;   /* protects aRFS hash table and filter state */
 352        atomic_t *arfs_last_fltr_id;
 353
 354        u16 max_frame;
 355        u16 rx_buf_len;
 356
 357        struct ice_aqc_vsi_props info;   /* VSI properties */
 358
 359        /* VSI stats */
 360        struct rtnl_link_stats64 net_stats;
 361        struct ice_eth_stats eth_stats;
 362        struct ice_eth_stats eth_stats_prev;
 363
 364        struct list_head tmp_sync_list;         /* MAC filters to be synced */
 365        struct list_head tmp_unsync_list;       /* MAC filters to be unsynced */
 366
 367        u8 irqs_ready:1;
 368        u8 current_isup:1;               /* Sync 'link up' logging */
 369        u8 stat_offsets_loaded:1;
 370        struct ice_vsi_vlan_ops inner_vlan_ops;
 371        struct ice_vsi_vlan_ops outer_vlan_ops;
 372        u16 num_vlan;
 373
 374        /* queue information */
 375        u8 tx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 376        u8 rx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 377        u16 *txq_map;                    /* index in pf->avail_txqs */
 378        u16 *rxq_map;                    /* index in pf->avail_rxqs */
 379        u16 alloc_txq;                   /* Allocated Tx queues */
 380        u16 num_txq;                     /* Used Tx queues */
 381        u16 alloc_rxq;                   /* Allocated Rx queues */
 382        u16 num_rxq;                     /* Used Rx queues */
 383        u16 req_txq;                     /* User requested Tx queues */
 384        u16 req_rxq;                     /* User requested Rx queues */
 385        u16 num_rx_desc;
 386        u16 num_tx_desc;
 387        u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
 388        struct ice_tc_cfg tc_cfg;
 389        struct bpf_prog *xdp_prog;
 390        struct ice_tx_ring **xdp_rings;  /* XDP ring array */
 391        unsigned long *af_xdp_zc_qps;    /* tracks AF_XDP ZC enabled qps */
 392        u16 num_xdp_txq;                 /* Used XDP queues */
 393        u8 xdp_mapping_mode;             /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 394
 395        struct net_device **target_netdevs;
 396
 397        struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
 398
 399        /* Channel Specific Fields */
 400        struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
 401        u16 cnt_q_avail;
 402        u16 next_base_q;        /* next queue to be used for channel setup */
 403        struct list_head ch_list;
 404        u16 num_chnl_rxq;
 405        u16 num_chnl_txq;
 406        u16 ch_rss_size;
 407        u16 num_chnl_fltr;
 408        /* store away rss size info before configuring ADQ channels so that,
 409         * it can be used after tc-qdisc delete, to get back RSS setting as
 410         * they were before
 411         */
 412        u16 orig_rss_size;
 413        /* this keeps tracks of all enabled TC with and without DCB
 414         * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
 415         * information
 416         */
 417        u8 all_numtc;
 418        u16 all_enatc;
 419
 420        /* store away TC info, to be used for rebuild logic */
 421        u8 old_numtc;
 422        u16 old_ena_tc;
 423
 424        struct ice_channel *ch;
 425
 426        /* setup back reference, to which aggregator node this VSI
 427         * corresponds to
 428         */
 429        struct ice_agg_node *agg_node;
 430} ____cacheline_internodealigned_in_smp;
 431
 432/* struct that defines an interrupt vector */
 433struct ice_q_vector {
 434        struct ice_vsi *vsi;
 435
 436        u16 v_idx;                      /* index in the vsi->q_vector array. */
 437        u16 reg_idx;
 438        u8 num_ring_rx;                 /* total number of Rx rings in vector */
 439        u8 num_ring_tx;                 /* total number of Tx rings in vector */
 440        u8 wb_on_itr:1;                 /* if true, WB on ITR is enabled */
 441        /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
 442         * value to the device
 443         */
 444        u8 intrl;
 445
 446        struct napi_struct napi;
 447
 448        struct ice_ring_container rx;
 449        struct ice_ring_container tx;
 450
 451        cpumask_t affinity_mask;
 452        struct irq_affinity_notify affinity_notify;
 453
 454        struct ice_channel *ch;
 455
 456        char name[ICE_INT_NAME_STR_LEN];
 457
 458        u16 total_events;       /* net_dim(): number of interrupts processed */
 459} ____cacheline_internodealigned_in_smp;
 460
 461enum ice_pf_flags {
 462        ICE_FLAG_FLTR_SYNC,
 463        ICE_FLAG_RDMA_ENA,
 464        ICE_FLAG_RSS_ENA,
 465        ICE_FLAG_SRIOV_ENA,
 466        ICE_FLAG_SRIOV_CAPABLE,
 467        ICE_FLAG_DCB_CAPABLE,
 468        ICE_FLAG_DCB_ENA,
 469        ICE_FLAG_FD_ENA,
 470        ICE_FLAG_PTP_SUPPORTED,         /* PTP is supported by NVM */
 471        ICE_FLAG_PTP,                   /* PTP is enabled by software */
 472        ICE_FLAG_ADV_FEATURES,
 473        ICE_FLAG_TC_MQPRIO,             /* support for Multi queue TC */
 474        ICE_FLAG_CLS_FLOWER,
 475        ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
 476        ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
 477        ICE_FLAG_NO_MEDIA,
 478        ICE_FLAG_FW_LLDP_AGENT,
 479        ICE_FLAG_MOD_POWER_UNSUPPORTED,
 480        ICE_FLAG_PHY_FW_LOAD_FAILED,
 481        ICE_FLAG_ETHTOOL_CTXT,          /* set when ethtool holds RTNL lock */
 482        ICE_FLAG_LEGACY_RX,
 483        ICE_FLAG_VF_TRUE_PROMISC_ENA,
 484        ICE_FLAG_MDD_AUTO_RESET_VF,
 485        ICE_FLAG_VF_VLAN_PRUNING,
 486        ICE_FLAG_LINK_LENIENT_MODE_ENA,
 487        ICE_FLAG_PLUG_AUX_DEV,
 488        ICE_FLAG_MTU_CHANGED,
 489        ICE_FLAG_GNSS,                  /* GNSS successfully initialized */
 490        ICE_PF_FLAGS_NBITS              /* must be last */
 491};
 492
 493struct ice_switchdev_info {
 494        struct ice_vsi *control_vsi;
 495        struct ice_vsi *uplink_vsi;
 496        bool is_running;
 497};
 498
 499struct ice_agg_node {
 500        u32 agg_id;
 501#define ICE_MAX_VSIS_IN_AGG_NODE        64
 502        u32 num_vsis;
 503        u8 valid;
 504};
 505
 506struct ice_pf {
 507        struct pci_dev *pdev;
 508
 509        struct devlink_region *nvm_region;
 510        struct devlink_region *sram_region;
 511        struct devlink_region *devcaps_region;
 512
 513        /* devlink port data */
 514        struct devlink_port devlink_port;
 515
 516        /* OS reserved IRQ details */
 517        struct msix_entry *msix_entries;
 518        struct ice_res_tracker *irq_tracker;
 519        /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
 520         * number of MSIX vectors needed for all SR-IOV VFs from the number of
 521         * MSIX vectors allowed on this PF.
 522         */
 523        u16 sriov_base_vector;
 524
 525        u16 ctrl_vsi_idx;               /* control VSI index in pf->vsi array */
 526
 527        struct ice_vsi **vsi;           /* VSIs created by the driver */
 528        struct ice_sw *first_sw;        /* first switch created by firmware */
 529        u16 eswitch_mode;               /* current mode of eswitch */
 530        struct ice_vfs vfs;
 531        DECLARE_BITMAP(features, ICE_F_MAX);
 532        DECLARE_BITMAP(state, ICE_STATE_NBITS);
 533        DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
 534        unsigned long *avail_txqs;      /* bitmap to track PF Tx queue usage */
 535        unsigned long *avail_rxqs;      /* bitmap to track PF Rx queue usage */
 536        unsigned long serv_tmr_period;
 537        unsigned long serv_tmr_prev;
 538        struct timer_list serv_tmr;
 539        struct work_struct serv_task;
 540        struct mutex avail_q_mutex;     /* protects access to avail_[rx|tx]qs */
 541        struct mutex sw_mutex;          /* lock for protecting VSI alloc flow */
 542        struct mutex tc_mutex;          /* lock to protect TC changes */
 543        struct mutex adev_mutex;        /* lock to protect aux device access */
 544        u32 msg_enable;
 545        struct ice_ptp ptp;
 546        struct tty_driver *ice_gnss_tty_driver;
 547        struct tty_port gnss_tty_port;
 548        struct gnss_serial *gnss_serial;
 549        u16 num_rdma_msix;              /* Total MSIX vectors for RDMA driver */
 550        u16 rdma_base_vector;
 551
 552        /* spinlock to protect the AdminQ wait list */
 553        spinlock_t aq_wait_lock;
 554        struct hlist_head aq_wait_list;
 555        wait_queue_head_t aq_wait_queue;
 556        bool fw_emp_reset_disabled;
 557
 558        wait_queue_head_t reset_wait_queue;
 559
 560        u32 hw_csum_rx_error;
 561        u32 oicr_err_reg;
 562        u16 oicr_idx;           /* Other interrupt cause MSIX vector index */
 563        u16 num_avail_sw_msix;  /* remaining MSIX SW vectors left unclaimed */
 564        u16 max_pf_txqs;        /* Total Tx queues PF wide */
 565        u16 max_pf_rxqs;        /* Total Rx queues PF wide */
 566        u16 num_lan_msix;       /* Total MSIX vectors for base driver */
 567        u16 num_lan_tx;         /* num LAN Tx queues setup */
 568        u16 num_lan_rx;         /* num LAN Rx queues setup */
 569        u16 next_vsi;           /* Next free slot in pf->vsi[] - 0-based! */
 570        u16 num_alloc_vsi;
 571        u16 corer_count;        /* Core reset count */
 572        u16 globr_count;        /* Global reset count */
 573        u16 empr_count;         /* EMP reset count */
 574        u16 pfr_count;          /* PF reset count */
 575
 576        u8 wol_ena : 1;         /* software state of WoL */
 577        u32 wakeup_reason;      /* last wakeup reason */
 578        struct ice_hw_port_stats stats;
 579        struct ice_hw_port_stats stats_prev;
 580        struct ice_hw hw;
 581        u8 stat_prev_loaded:1; /* has previous stats been loaded */
 582        u8 rdma_mode;
 583        u16 dcbx_cap;
 584        u32 tx_timeout_count;
 585        unsigned long tx_timeout_last_recovery;
 586        u32 tx_timeout_recovery_level;
 587        char int_name[ICE_INT_NAME_STR_LEN];
 588        struct auxiliary_device *adev;
 589        int aux_idx;
 590        u32 sw_int_count;
 591        /* count of tc_flower filters specific to channel (aka where filter
 592         * action is "hw_tc <tc_num>")
 593         */
 594        u16 num_dmac_chnl_fltrs;
 595        struct hlist_head tc_flower_fltr_list;
 596
 597        __le64 nvm_phy_type_lo; /* NVM PHY type low */
 598        __le64 nvm_phy_type_hi; /* NVM PHY type high */
 599        struct ice_link_default_override_tlv link_dflt_override;
 600        struct ice_lag *lag; /* Link Aggregation information */
 601
 602        struct ice_switchdev_info switchdev;
 603
 604#define ICE_INVALID_AGG_NODE_ID         0
 605#define ICE_PF_AGG_NODE_ID_START        1
 606#define ICE_MAX_PF_AGG_NODES            32
 607        struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
 608#define ICE_VF_AGG_NODE_ID_START        65
 609#define ICE_MAX_VF_AGG_NODES            32
 610        struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
 611};
 612
 613struct ice_netdev_priv {
 614        struct ice_vsi *vsi;
 615        struct ice_repr *repr;
 616        /* indirect block callbacks on registered higher level devices
 617         * (e.g. tunnel devices)
 618         *
 619         * tc_indr_block_cb_priv_list is used to look up indirect callback
 620         * private data
 621         */
 622        struct list_head tc_indr_block_priv_list;
 623};
 624
 625/**
 626 * ice_vector_ch_enabled
 627 * @qv: pointer to q_vector, can be NULL
 628 *
 629 * This function returns true if vector is channel enabled otherwise false
 630 */
 631static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
 632{
 633        return !!qv->ch; /* Enable it to run with TC */
 634}
 635
 636/**
 637 * ice_irq_dynamic_ena - Enable default interrupt generation settings
 638 * @hw: pointer to HW struct
 639 * @vsi: pointer to VSI struct, can be NULL
 640 * @q_vector: pointer to q_vector, can be NULL
 641 */
 642static inline void
 643ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
 644                    struct ice_q_vector *q_vector)
 645{
 646        u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
 647                                ((struct ice_pf *)hw->back)->oicr_idx;
 648        int itr = ICE_ITR_NONE;
 649        u32 val;
 650
 651        /* clear the PBA here, as this function is meant to clean out all
 652         * previous interrupts and enable the interrupt
 653         */
 654        val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
 655              (itr << GLINT_DYN_CTL_ITR_INDX_S);
 656        if (vsi)
 657                if (test_bit(ICE_VSI_DOWN, vsi->state))
 658                        return;
 659        wr32(hw, GLINT_DYN_CTL(vector), val);
 660}
 661
 662/**
 663 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
 664 * @netdev: pointer to the netdev struct
 665 */
 666static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
 667{
 668        struct ice_netdev_priv *np = netdev_priv(netdev);
 669
 670        return np->vsi->back;
 671}
 672
 673static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
 674{
 675        return !!READ_ONCE(vsi->xdp_prog);
 676}
 677
 678static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
 679{
 680        ring->flags |= ICE_TX_FLAGS_RING_XDP;
 681}
 682
 683/**
 684 * ice_xsk_pool - get XSK buffer pool bound to a ring
 685 * @ring: Rx ring to use
 686 *
 687 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
 688 * NULL otherwise.
 689 */
 690static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
 691{
 692        struct ice_vsi *vsi = ring->vsi;
 693        u16 qid = ring->q_index;
 694
 695        if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
 696                return NULL;
 697
 698        return xsk_get_pool_from_qid(vsi->netdev, qid);
 699}
 700
 701/**
 702 * ice_tx_xsk_pool - get XSK buffer pool bound to a ring
 703 * @ring: Tx ring to use
 704 *
 705 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
 706 * NULL otherwise. Tx equivalent of ice_xsk_pool.
 707 */
 708static inline struct xsk_buff_pool *ice_tx_xsk_pool(struct ice_tx_ring *ring)
 709{
 710        struct ice_vsi *vsi = ring->vsi;
 711        u16 qid;
 712
 713        qid = ring->q_index - vsi->alloc_txq;
 714
 715        if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
 716                return NULL;
 717
 718        return xsk_get_pool_from_qid(vsi->netdev, qid);
 719}
 720
 721/**
 722 * ice_get_main_vsi - Get the PF VSI
 723 * @pf: PF instance
 724 *
 725 * returns pf->vsi[0], which by definition is the PF VSI
 726 */
 727static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
 728{
 729        if (pf->vsi)
 730                return pf->vsi[0];
 731
 732        return NULL;
 733}
 734
 735/**
 736 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
 737 * @np: private netdev structure
 738 */
 739static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
 740{
 741        /* In case of port representor return source port VSI. */
 742        if (np->repr)
 743                return np->repr->src_vsi;
 744        else
 745                return np->vsi;
 746}
 747
 748/**
 749 * ice_get_ctrl_vsi - Get the control VSI
 750 * @pf: PF instance
 751 */
 752static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
 753{
 754        /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
 755        if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
 756                return NULL;
 757
 758        return pf->vsi[pf->ctrl_vsi_idx];
 759}
 760
 761/**
 762 * ice_is_switchdev_running - check if switchdev is configured
 763 * @pf: pointer to PF structure
 764 *
 765 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
 766 * and switchdev is configured, false otherwise.
 767 */
 768static inline bool ice_is_switchdev_running(struct ice_pf *pf)
 769{
 770        return pf->switchdev.is_running;
 771}
 772
 773/**
 774 * ice_set_sriov_cap - enable SRIOV in PF flags
 775 * @pf: PF struct
 776 */
 777static inline void ice_set_sriov_cap(struct ice_pf *pf)
 778{
 779        if (pf->hw.func_caps.common_cap.sr_iov_1_1)
 780                set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
 781}
 782
 783/**
 784 * ice_clear_sriov_cap - disable SRIOV in PF flags
 785 * @pf: PF struct
 786 */
 787static inline void ice_clear_sriov_cap(struct ice_pf *pf)
 788{
 789        clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
 790}
 791
 792#define ICE_FD_STAT_CTR_BLOCK_COUNT     256
 793#define ICE_FD_STAT_PF_IDX(base_idx) \
 794                        ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
 795#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
 796#define ICE_FD_STAT_CH                  1
 797#define ICE_FD_CH_STAT_IDX(base_idx) \
 798                        (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
 799
 800/**
 801 * ice_is_adq_active - any active ADQs
 802 * @pf: pointer to PF
 803 *
 804 * This function returns true if there are any ADQs configured (which is
 805 * determined by looking at VSI type (which should be VSI_PF), numtc, and
 806 * TC_MQPRIO flag) otherwise return false
 807 */
 808static inline bool ice_is_adq_active(struct ice_pf *pf)
 809{
 810        struct ice_vsi *vsi;
 811
 812        vsi = ice_get_main_vsi(pf);
 813        if (!vsi)
 814                return false;
 815
 816        /* is ADQ configured */
 817        if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
 818            test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
 819                return true;
 820
 821        return false;
 822}
 823
 824bool netif_is_ice(struct net_device *dev);
 825int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
 826int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
 827int ice_vsi_open_ctrl(struct ice_vsi *vsi);
 828int ice_vsi_open(struct ice_vsi *vsi);
 829void ice_set_ethtool_ops(struct net_device *netdev);
 830void ice_set_ethtool_repr_ops(struct net_device *netdev);
 831void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
 832u16 ice_get_avail_txq_count(struct ice_pf *pf);
 833u16 ice_get_avail_rxq_count(struct ice_pf *pf);
 834int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
 835void ice_update_vsi_stats(struct ice_vsi *vsi);
 836void ice_update_pf_stats(struct ice_pf *pf);
 837void
 838ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
 839                             struct ice_q_stats stats, u64 *pkts, u64 *bytes);
 840int ice_up(struct ice_vsi *vsi);
 841int ice_down(struct ice_vsi *vsi);
 842int ice_vsi_cfg(struct ice_vsi *vsi);
 843struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
 844int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
 845int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
 846int ice_destroy_xdp_rings(struct ice_vsi *vsi);
 847int
 848ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 849             u32 flags);
 850int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
 851int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
 852int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
 853int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
 854void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
 855int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
 856void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
 857int ice_plug_aux_dev(struct ice_pf *pf);
 858void ice_unplug_aux_dev(struct ice_pf *pf);
 859int ice_init_rdma(struct ice_pf *pf);
 860const char *ice_aq_str(enum ice_aq_err aq_err);
 861bool ice_is_wol_supported(struct ice_hw *hw);
 862void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
 863int
 864ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
 865                    bool is_tun);
 866void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
 867int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
 868int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
 869int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
 870int
 871ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
 872                      u32 *rule_locs);
 873void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
 874void ice_fdir_release_flows(struct ice_hw *hw);
 875void ice_fdir_replay_flows(struct ice_hw *hw);
 876void ice_fdir_replay_fltrs(struct ice_pf *pf);
 877int ice_fdir_create_dflt_rules(struct ice_pf *pf);
 878int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
 879                          struct ice_rq_event_info *event);
 880int ice_open(struct net_device *netdev);
 881int ice_open_internal(struct net_device *netdev);
 882int ice_stop(struct net_device *netdev);
 883void ice_service_task_schedule(struct ice_pf *pf);
 884
 885/**
 886 * ice_set_rdma_cap - enable RDMA support
 887 * @pf: PF struct
 888 */
 889static inline void ice_set_rdma_cap(struct ice_pf *pf)
 890{
 891        if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
 892                set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
 893                set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
 894        }
 895}
 896
 897/**
 898 * ice_clear_rdma_cap - disable RDMA support
 899 * @pf: PF struct
 900 */
 901static inline void ice_clear_rdma_cap(struct ice_pf *pf)
 902{
 903        /* We can directly unplug aux device here only if the flag bit
 904         * ICE_FLAG_PLUG_AUX_DEV is not set because ice_unplug_aux_dev()
 905         * could race with ice_plug_aux_dev() called from
 906         * ice_service_task(). In this case we only clear that bit now and
 907         * aux device will be unplugged later once ice_plug_aux_device()
 908         * called from ice_service_task() finishes (see ice_service_task()).
 909         */
 910        if (!test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags))
 911                ice_unplug_aux_dev(pf);
 912
 913        clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
 914}
 915#endif /* _ICE_H_ */
 916