LXR linux/drivers/net/ethernet/intel/i40e/i40e.h

   1/*******************************************************************************
   2 *
   3 * Intel Ethernet Controller XL710 Family Linux Driver
   4 * Copyright(c) 2013 - 2015 Intel Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 *
  15 * You should have received a copy of the GNU General Public License along
  16 * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 *
  18 * The full GNU General Public License is included in this distribution in
  19 * the file called "COPYING".
  20 *
  21 * Contact Information:
  22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24 *
  25 ******************************************************************************/
  26
  27#ifndef _I40E_H_
  28#define _I40E_H_
  29
  30#include <net/tcp.h>
  31#include <net/udp.h>
  32#include <linux/types.h>
  33#include <linux/errno.h>
  34#include <linux/module.h>
  35#include <linux/pci.h>
  36#include <linux/aer.h>
  37#include <linux/netdevice.h>
  38#include <linux/ioport.h>
  39#include <linux/iommu.h>
  40#include <linux/slab.h>
  41#include <linux/list.h>
  42#include <linux/string.h>
  43#include <linux/in.h>
  44#include <linux/ip.h>
  45#include <linux/tcp.h>
  46#include <linux/sctp.h>
  47#include <linux/pkt_sched.h>
  48#include <linux/ipv6.h>
  49#include <net/checksum.h>
  50#include <net/ip6_checksum.h>
  51#include <linux/ethtool.h>
  52#include <linux/if_vlan.h>
  53#include <linux/if_bridge.h>
  54#include <linux/clocksource.h>
  55#include <linux/net_tstamp.h>
  56#include <linux/ptp_clock_kernel.h>
  57#include "i40e_type.h"
  58#include "i40e_prototype.h"
  59#ifdef I40E_FCOE
  60#include "i40e_fcoe.h"
  61#endif
  62#include "i40e_virtchnl.h"
  63#include "i40e_virtchnl_pf.h"
  64#include "i40e_txrx.h"
  65#include "i40e_dcb.h"
  66
  67/* Useful i40e defaults */
  68#define I40E_BASE_PF_SEID     16
  69#define I40E_BASE_VSI_SEID    512
  70#define I40E_BASE_VEB_SEID    288
  71#define I40E_MAX_VEB          16
  72
  73#define I40E_MAX_NUM_DESCRIPTORS      4096
  74#define I40E_MAX_REGISTER     0x800000
  75#define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
  76#define I40E_DEFAULT_NUM_DESCRIPTORS  512
  77#define I40E_REQ_DESCRIPTOR_MULTIPLE  32
  78#define I40E_MIN_NUM_DESCRIPTORS      64
  79#define I40E_MIN_MSIX                 2
  80#define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
  81#define I40E_MIN_VSI_ALLOC            51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
  82#define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
  83#define I40E_DEFAULT_QUEUES_PER_VF    4
  84#define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
  85#define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
  86#define I40E_FDIR_RING                0
  87#define I40E_FDIR_RING_COUNT          32
  88#ifdef I40E_FCOE
  89#define I40E_DEFAULT_FCOE             8 /* default number of QPs for FCoE */
  90#define I40E_MINIMUM_FCOE             1 /* minimum number of QPs for FCoE */
  91#endif /* I40E_FCOE */
  92#define I40E_MAX_AQ_BUF_SIZE          4096
  93#define I40E_AQ_LEN                   256
  94#define I40E_AQ_WORK_LIMIT            32
  95#define I40E_MAX_USER_PRIORITY        8
  96#define I40E_DEFAULT_MSG_ENABLE       4
  97#define I40E_QUEUE_WAIT_RETRY_LIMIT   10
  98#define I40E_INT_NAME_STR_LEN        (IFNAMSIZ + 9)
  99
 100/* Ethtool Private Flags */
 101#define I40E_PRIV_FLAGS_NPAR_FLAG       (1 << 0)
 102
 103#define I40E_NVM_VERSION_LO_SHIFT  0
 104#define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
 105#define I40E_NVM_VERSION_HI_SHIFT  12
 106#define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
 107
 108/* The values in here are decimal coded as hex as is the case in the NVM map*/
 109#define I40E_CURRENT_NVM_VERSION_HI 0x2
 110#define I40E_CURRENT_NVM_VERSION_LO 0x40
 111
 112/* magic for getting defines into strings */
 113#define STRINGIFY(foo)  #foo
 114#define XSTRINGIFY(bar) STRINGIFY(bar)
 115
 116#define I40E_RX_DESC(R, i)                      \
 117        ((ring_is_16byte_desc_enabled(R))       \
 118                ? (union i40e_32byte_rx_desc *) \
 119                        (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
 120                : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
 121#define I40E_TX_DESC(R, i)                      \
 122        (&(((struct i40e_tx_desc *)((R)->desc))[i]))
 123#define I40E_TX_CTXTDESC(R, i)                  \
 124        (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
 125#define I40E_TX_FDIRDESC(R, i)                  \
 126        (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
 127
 128/* default to trying for four seconds */
 129#define I40E_TRY_LINK_TIMEOUT (4 * HZ)
 130
 131/* driver state flags */
 132enum i40e_state_t {
 133        __I40E_TESTING,
 134        __I40E_CONFIG_BUSY,
 135        __I40E_CONFIG_DONE,
 136        __I40E_DOWN,
 137        __I40E_NEEDS_RESTART,
 138        __I40E_SERVICE_SCHED,
 139        __I40E_ADMINQ_EVENT_PENDING,
 140        __I40E_MDD_EVENT_PENDING,
 141        __I40E_VFLR_EVENT_PENDING,
 142        __I40E_RESET_RECOVERY_PENDING,
 143        __I40E_RESET_INTR_RECEIVED,
 144        __I40E_REINIT_REQUESTED,
 145        __I40E_PF_RESET_REQUESTED,
 146        __I40E_CORE_RESET_REQUESTED,
 147        __I40E_GLOBAL_RESET_REQUESTED,
 148        __I40E_EMP_RESET_REQUESTED,
 149        __I40E_EMP_RESET_INTR_RECEIVED,
 150        __I40E_FILTER_OVERFLOW_PROMISC,
 151        __I40E_SUSPENDED,
 152        __I40E_PTP_TX_IN_PROGRESS,
 153        __I40E_BAD_EEPROM,
 154        __I40E_DOWN_REQUESTED,
 155        __I40E_FD_FLUSH_REQUESTED,
 156        __I40E_RESET_FAILED,
 157        __I40E_PORT_TX_SUSPENDED,
 158        __I40E_VF_DISABLE,
 159};
 160
 161enum i40e_interrupt_policy {
 162        I40E_INTERRUPT_BEST_CASE,
 163        I40E_INTERRUPT_MEDIUM,
 164        I40E_INTERRUPT_LOWEST
 165};
 166
 167struct i40e_lump_tracking {
 168        u16 num_entries;
 169        u16 search_hint;
 170        u16 list[0];
 171#define I40E_PILE_VALID_BIT  0x8000
 172};
 173
 174#define I40E_DEFAULT_ATR_SAMPLE_RATE    20
 175#define I40E_FDIR_MAX_RAW_PACKET_SIZE   512
 176#define I40E_FDIR_BUFFER_FULL_MARGIN    10
 177#define I40E_FDIR_BUFFER_HEAD_ROOM      32
 178#define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
 179
 180#define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
 181
 182enum i40e_fd_stat_idx {
 183        I40E_FD_STAT_ATR,
 184        I40E_FD_STAT_SB,
 185        I40E_FD_STAT_PF_COUNT
 186};
 187#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
 188#define I40E_FD_ATR_STAT_IDX(pf_id) \
 189                        (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
 190#define I40E_FD_SB_STAT_IDX(pf_id)  \
 191                        (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
 192
 193struct i40e_fdir_filter {
 194        struct hlist_node fdir_node;
 195        /* filter ipnut set */
 196        u8 flow_type;
 197        u8 ip4_proto;
 198        /* TX packet view of src and dst */
 199        __be32 dst_ip[4];
 200        __be32 src_ip[4];
 201        __be16 src_port;
 202        __be16 dst_port;
 203        __be32 sctp_v_tag;
 204        /* filter control */
 205        u16 q_index;
 206        u8  flex_off;
 207        u8  pctype;
 208        u16 dest_vsi;
 209        u8  dest_ctl;
 210        u8  fd_status;
 211        u16 cnt_index;
 212        u32 fd_id;
 213};
 214
 215#define I40E_ETH_P_LLDP                 0x88cc
 216
 217#define I40E_DCB_PRIO_TYPE_STRICT       0
 218#define I40E_DCB_PRIO_TYPE_ETS          1
 219#define I40E_DCB_STRICT_PRIO_CREDITS    127
 220#define I40E_MAX_USER_PRIORITY  8
 221/* DCB per TC information data structure */
 222struct i40e_tc_info {
 223        u16     qoffset;        /* Queue offset from base queue */
 224        u16     qcount;         /* Total Queues */
 225        u8      netdev_tc;      /* Netdev TC index if netdev associated */
 226};
 227
 228/* TC configuration data structure */
 229struct i40e_tc_configuration {
 230        u8      numtc;          /* Total number of enabled TCs */
 231        u8      enabled_tc;     /* TC map */
 232        struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
 233};
 234
 235/* struct that defines the Ethernet device */
 236struct i40e_pf {
 237        struct pci_dev *pdev;
 238        struct i40e_hw hw;
 239        unsigned long state;
 240        unsigned long link_check_timeout;
 241        struct msix_entry *msix_entries;
 242        bool fc_autoneg_status;
 243
 244        u16 eeprom_version;
 245        u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
 246        u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
 247        u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
 248        u16 num_req_vfs;           /* num VFs requested for this VF */
 249        u16 num_vf_qps;            /* num queue pairs per VF */
 250#ifdef I40E_FCOE
 251        u16 num_fcoe_qps;          /* num fcoe queues this PF has set up */
 252        u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
 253#endif /* I40E_FCOE */
 254        u16 num_lan_qps;           /* num lan queues this PF has set up */
 255        u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
 256        int queues_left;           /* queues left unclaimed */
 257        u16 rss_size;              /* num queues in the RSS array */
 258        u16 rss_size_max;          /* HW defined max RSS queues */
 259        u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
 260        u16 num_alloc_vsi;         /* num VSIs this driver supports */
 261        u8 atr_sample_rate;
 262        bool wol_en;
 263
 264        struct hlist_head fdir_filter_list;
 265        u16 fdir_pf_active_filters;
 266        u16 fd_sb_cnt_idx;
 267        u16 fd_atr_cnt_idx;
 268        unsigned long fd_flush_timestamp;
 269        u32 fd_flush_cnt;
 270        u32 fd_add_err;
 271        u32 fd_atr_cnt;
 272        u32 fd_tcp_rule;
 273
 274#ifdef CONFIG_I40E_VXLAN
 275        __be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
 276        u16 pending_vxlan_bitmap;
 277
 278#endif
 279        enum i40e_interrupt_policy int_policy;
 280        u16 rx_itr_default;
 281        u16 tx_itr_default;
 282        u32 msg_enable;
 283        char int_name[I40E_INT_NAME_STR_LEN];
 284        u16 adminq_work_limit; /* num of admin receive queue desc to process */
 285        unsigned long service_timer_period;
 286        unsigned long service_timer_previous;
 287        struct timer_list service_timer;
 288        struct work_struct service_task;
 289
 290        u64 flags;
 291#define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
 292#define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
 293#define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
 294#define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
 295#define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
 296#define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
 297#define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
 298#define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
 299#define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
 300#ifdef I40E_FCOE
 301#define I40E_FLAG_FCOE_ENABLED                 (u64)(1 << 11)
 302#endif /* I40E_FCOE */
 303#define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
 304#define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
 305#define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
 306#define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
 307#define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
 308#define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
 309#define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
 310#define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
 311#define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
 312#define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
 313#define I40E_FLAG_PTP                          (u64)(1 << 25)
 314#define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
 315#ifdef CONFIG_I40E_VXLAN
 316#define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
 317#endif
 318#define I40E_FLAG_PORT_ID_VALID                (u64)(1 << 28)
 319#define I40E_FLAG_DCB_CAPABLE                  (u64)(1 << 29)
 320#define I40E_FLAG_VEB_MODE_ENABLED              BIT_ULL(40)
 321
 322        /* tracks features that get auto disabled by errors */
 323        u64 auto_disable_flags;
 324
 325#ifdef I40E_FCOE
 326        struct i40e_fcoe fcoe;
 327
 328#endif /* I40E_FCOE */
 329        bool stat_offsets_loaded;
 330        struct i40e_hw_port_stats stats;
 331        struct i40e_hw_port_stats stats_offsets;
 332        u32 tx_timeout_count;
 333        u32 tx_timeout_recovery_level;
 334        unsigned long tx_timeout_last_recovery;
 335        u32 tx_sluggish_count;
 336        u32 hw_csum_rx_error;
 337        u32 led_status;
 338        u16 corer_count; /* Core reset count */
 339        u16 globr_count; /* Global reset count */
 340        u16 empr_count; /* EMP reset count */
 341        u16 pfr_count; /* PF reset count */
 342        u16 sw_int_count; /* SW interrupt count */
 343
 344        struct mutex switch_mutex;
 345        u16 lan_vsi;       /* our default LAN VSI */
 346        u16 lan_veb;       /* initial relay, if exists */
 347#define I40E_NO_VEB   0xffff
 348#define I40E_NO_VSI   0xffff
 349        u16 next_vsi;      /* Next unallocated VSI - 0-based! */
 350        struct i40e_vsi **vsi;
 351        struct i40e_veb *veb[I40E_MAX_VEB];
 352
 353        struct i40e_lump_tracking *qp_pile;
 354        struct i40e_lump_tracking *irq_pile;
 355
 356        /* switch config info */
 357        u16 pf_seid;
 358        u16 main_vsi_seid;
 359        u16 mac_seid;
 360        struct kobject *switch_kobj;
 361#ifdef CONFIG_DEBUG_FS
 362        struct dentry *i40e_dbg_pf;
 363#endif /* CONFIG_DEBUG_FS */
 364
 365        u16 instance; /* A unique number per i40e_pf instance in the system */
 366
 367        /* sr-iov config info */
 368        struct i40e_vf *vf;
 369        int num_alloc_vfs;      /* actual number of VFs allocated */
 370        u32 vf_aq_requests;
 371
 372        /* DCBx/DCBNL capability for PF that indicates
 373         * whether DCBx is managed by firmware or host
 374         * based agent (LLDPAD). Also, indicates what
 375         * flavor of DCBx protocol (IEEE/CEE) is supported
 376         * by the device. For now we're supporting IEEE
 377         * mode only.
 378         */
 379        u16 dcbx_cap;
 380
 381        u32     fcoe_hmc_filt_num;
 382        u32     fcoe_hmc_cntx_num;
 383        struct i40e_filter_control_settings filter_settings;
 384
 385        struct ptp_clock *ptp_clock;
 386        struct ptp_clock_info ptp_caps;
 387        struct sk_buff *ptp_tx_skb;
 388        struct hwtstamp_config tstamp_config;
 389        unsigned long last_rx_ptp_check;
 390        spinlock_t tmreg_lock; /* Used to protect the device time registers. */
 391        u64 ptp_base_adj;
 392        u32 tx_hwtstamp_timeouts;
 393        u32 rx_hwtstamp_cleared;
 394        bool ptp_tx;
 395        bool ptp_rx;
 396        u16 rss_table_size;
 397        /* These are only valid in NPAR modes */
 398        u32 npar_max_bw;
 399        u32 npar_min_bw;
 400};
 401
 402struct i40e_mac_filter {
 403        struct list_head list;
 404        u8 macaddr[ETH_ALEN];
 405#define I40E_VLAN_ANY -1
 406        s16 vlan;
 407        u8 counter;             /* number of instances of this filter */
 408        bool is_vf;             /* filter belongs to a VF */
 409        bool is_netdev;         /* filter belongs to a netdev */
 410        bool changed;           /* filter needs to be sync'd to the HW */
 411        bool is_laa;            /* filter is a Locally Administered Address */
 412};
 413
 414struct i40e_veb {
 415        struct i40e_pf *pf;
 416        u16 idx;
 417        u16 veb_idx;           /* index of VEB parent */
 418        u16 seid;
 419        u16 uplink_seid;
 420        u16 stats_idx;           /* index of VEB parent */
 421        u8  enabled_tc;
 422        u16 bridge_mode;        /* Bridge Mode (VEB/VEPA) */
 423        u16 flags;
 424        u16 bw_limit;
 425        u8  bw_max_quanta;
 426        bool is_abs_credits;
 427        u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
 428        u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 429        u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 430        struct kobject *kobj;
 431        bool stat_offsets_loaded;
 432        struct i40e_eth_stats stats;
 433        struct i40e_eth_stats stats_offsets;
 434};
 435
 436/* struct that defines a VSI, associated with a dev */
 437struct i40e_vsi {
 438        struct net_device *netdev;
 439        unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 440        bool netdev_registered;
 441        bool stat_offsets_loaded;
 442
 443        u32 current_netdev_flags;
 444        unsigned long state;
 445#define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 446#define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 447        unsigned long flags;
 448
 449        struct list_head mac_filter_list;
 450
 451        /* VSI stats */
 452        struct rtnl_link_stats64 net_stats;
 453        struct rtnl_link_stats64 net_stats_offsets;
 454        struct i40e_eth_stats eth_stats;
 455        struct i40e_eth_stats eth_stats_offsets;
 456#ifdef I40E_FCOE
 457        struct i40e_fcoe_stats fcoe_stats;
 458        struct i40e_fcoe_stats fcoe_stats_offsets;
 459        bool fcoe_stat_offsets_loaded;
 460#endif
 461        u32 tx_restart;
 462        u32 tx_busy;
 463        u32 rx_buf_failed;
 464        u32 rx_page_failed;
 465
 466        /* These are containers of ring pointers, allocated at run-time */
 467        struct i40e_ring **rx_rings;
 468        struct i40e_ring **tx_rings;
 469
 470        u16 work_limit;
 471        /* high bit set means dynamic, use accessor routines to read/write.
 472         * hardware only supports 2us resolution for the ITR registers.
 473         * these values always store the USER setting, and must be converted
 474         * before programming to a register.
 475         */
 476        u16 rx_itr_setting;
 477        u16 tx_itr_setting;
 478
 479        u16 rss_table_size;
 480        u16 rss_size;
 481
 482        u16 max_frame;
 483        u16 rx_hdr_len;
 484        u16 rx_buf_len;
 485        u8  dtype;
 486
 487        /* List of q_vectors allocated to this VSI */
 488        struct i40e_q_vector **q_vectors;
 489        int num_q_vectors;
 490        int base_vector;
 491        bool irqs_ready;
 492
 493        u16 seid;            /* HW index of this VSI (absolute index) */
 494        u16 id;              /* VSI number */
 495        u16 uplink_seid;
 496
 497        u16 base_queue;      /* vsi's first queue in hw array */
 498        u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 499        u16 req_queue_pairs; /* User requested queue pairs */
 500        u16 num_queue_pairs; /* Used tx and rx pairs */
 501        u16 num_desc;
 502        enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 503        u16 vf_id;              /* Virtual function ID for SRIOV VSIs */
 504
 505        struct i40e_tc_configuration tc_config;
 506        struct i40e_aqc_vsi_properties_data info;
 507
 508        /* VSI BW limit (absolute across all TCs) */
 509        u16 bw_limit;           /* VSI BW Limit (0 = disabled) */
 510        u8  bw_max_quanta;      /* Max Quanta when BW limit is enabled */
 511
 512        /* Relative TC credits across VSIs */
 513        u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 514        /* TC BW limit credits within VSI */
 515        u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 516        /* TC BW limit max quanta within VSI */
 517        u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 518
 519        struct i40e_pf *back;  /* Backreference to associated PF */
 520        u16 idx;               /* index in pf->vsi[] */
 521        u16 veb_idx;           /* index of VEB parent */
 522        struct kobject *kobj;  /* sysfs object */
 523
 524        /* VSI specific handlers */
 525        irqreturn_t (*irq_handler)(int irq, void *data);
 526
 527        /* current rxnfc data */
 528        struct ethtool_rxnfc rxnfc; /* current rss hash opts */
 529} ____cacheline_internodealigned_in_smp;
 530
 531struct i40e_netdev_priv {
 532        struct i40e_vsi *vsi;
 533};
 534
 535/* struct that defines an interrupt vector */
 536struct i40e_q_vector {
 537        struct i40e_vsi *vsi;
 538
 539        u16 v_idx;              /* index in the vsi->q_vector array. */
 540        u16 reg_idx;            /* register index of the interrupt */
 541
 542        struct napi_struct napi;
 543
 544        struct i40e_ring_container rx;
 545        struct i40e_ring_container tx;
 546
 547        u8 num_ringpairs;       /* total number of ring pairs in vector */
 548
 549        cpumask_t affinity_mask;
 550        struct rcu_head rcu;    /* to avoid race with update stats on free */
 551        char name[I40E_INT_NAME_STR_LEN];
 552} ____cacheline_internodealigned_in_smp;
 553
 554/* lan device */
 555struct i40e_device {
 556        struct list_head list;
 557        struct i40e_pf *pf;
 558};
 559
 560/**
 561 * i40e_fw_version_str - format the FW and NVM version strings
 562 * @hw: ptr to the hardware info
 563 **/
 564static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 565{
 566        static char buf[32];
 567
 568        snprintf(buf, sizeof(buf),
 569                 "f%d.%d.%05d a%d.%d n%x.%02x e%x",
 570                 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build,
 571                 hw->aq.api_maj_ver, hw->aq.api_min_ver,
 572                 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 573                        I40E_NVM_VERSION_HI_SHIFT,
 574                 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 575                        I40E_NVM_VERSION_LO_SHIFT,
 576                 (hw->nvm.eetrack & 0xffffff));
 577
 578        return buf;
 579}
 580
 581/**
 582 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
 583 * @netdev: the corresponding netdev
 584 *
 585 * Return the PF struct for the given netdev
 586 **/
 587static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 588{
 589        struct i40e_netdev_priv *np = netdev_priv(netdev);
 590        struct i40e_vsi *vsi = np->vsi;
 591
 592        return vsi->back;
 593}
 594
 595static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 596                                irqreturn_t (*irq_handler)(int, void *))
 597{
 598        vsi->irq_handler = irq_handler;
 599}
 600
 601/**
 602 * i40e_rx_is_programming_status - check for programming status descriptor
 603 * @qw: the first quad word of the program status descriptor
 604 *
 605 * The value of in the descriptor length field indicate if this
 606 * is a programming status descriptor for flow director or FCoE
 607 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 608 * it is a packet descriptor.
 609 **/
 610static inline bool i40e_rx_is_programming_status(u64 qw)
 611{
 612        return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 613                (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 614}
 615
 616/**
 617 * i40e_get_fd_cnt_all - get the total FD filter space available
 618 * @pf: pointer to the PF struct
 619 **/
 620static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
 621{
 622        return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
 623}
 624
 625/* needed by i40e_ethtool.c */
 626int i40e_up(struct i40e_vsi *vsi);
 627void i40e_down(struct i40e_vsi *vsi);
 628extern const char i40e_driver_name[];
 629extern const char i40e_driver_version_str[];
 630void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 631void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 632struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
 633void i40e_update_stats(struct i40e_vsi *vsi);
 634void i40e_update_eth_stats(struct i40e_vsi *vsi);
 635struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 636int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 637                                    bool printconfig);
 638
 639int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 640                             struct i40e_pf *pf, bool add);
 641int i40e_add_del_fdir(struct i40e_vsi *vsi,
 642                      struct i40e_fdir_filter *input, bool add);
 643void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
 644u32 i40e_get_current_fd_count(struct i40e_pf *pf);
 645u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
 646u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
 647u32 i40e_get_global_fd_count(struct i40e_pf *pf);
 648bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
 649void i40e_set_ethtool_ops(struct net_device *netdev);
 650struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 651                                        u8 *macaddr, s16 vlan,
 652                                        bool is_vf, bool is_netdev);
 653void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 654                     bool is_vf, bool is_netdev);
 655int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 656struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 657                                u16 uplink, u32 param1);
 658int i40e_vsi_release(struct i40e_vsi *vsi);
 659struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 660                                 struct i40e_vsi *start_vsi);
 661#ifdef I40E_FCOE
 662void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 663                              struct i40e_vsi_context *ctxt,
 664                              u8 enabled_tc, bool is_add);
 665#endif
 666int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 667int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 668struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 669                                u16 downlink_seid, u8 enabled_tc);
 670void i40e_veb_release(struct i40e_veb *veb);
 671
 672int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 673i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 674void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 675void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 676void i40e_pf_reset_stats(struct i40e_pf *pf);
 677#ifdef CONFIG_DEBUG_FS
 678void i40e_dbg_pf_init(struct i40e_pf *pf);
 679void i40e_dbg_pf_exit(struct i40e_pf *pf);
 680void i40e_dbg_init(void);
 681void i40e_dbg_exit(void);
 682#else
 683static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 684static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 685static inline void i40e_dbg_init(void) {}
 686static inline void i40e_dbg_exit(void) {}
 687#endif /* CONFIG_DEBUG_FS*/
 688void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 689void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
 690void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 691void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 692#ifdef I40E_FCOE
 693struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 694                                             struct net_device *netdev,
 695                                             struct rtnl_link_stats64 *storage);
 696int i40e_set_mac(struct net_device *netdev, void *p);
 697void i40e_set_rx_mode(struct net_device *netdev);
 698#endif
 699int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 700#ifdef I40E_FCOE
 701void i40e_tx_timeout(struct net_device *netdev);
 702int i40e_vlan_rx_add_vid(struct net_device *netdev,
 703                         __always_unused __be16 proto, u16 vid);
 704int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 705                          __always_unused __be16 proto, u16 vid);
 706#endif
 707int i40e_open(struct net_device *netdev);
 708int i40e_vsi_open(struct i40e_vsi *vsi);
 709void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 710int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 711int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 712struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 713                                             bool is_vf, bool is_netdev);
 714bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 715struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 716                                      bool is_vf, bool is_netdev);
 717#ifdef I40E_FCOE
 718int i40e_close(struct net_device *netdev);
 719int i40e_setup_tc(struct net_device *netdev, u8 tc);
 720void i40e_netpoll(struct net_device *netdev);
 721int i40e_fcoe_enable(struct net_device *netdev);
 722int i40e_fcoe_disable(struct net_device *netdev);
 723int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
 724u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
 725void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
 726void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
 727int i40e_init_pf_fcoe(struct i40e_pf *pf);
 728int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
 729void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
 730int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
 731                             union i40e_rx_desc *rx_desc,
 732                             struct sk_buff *skb);
 733void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
 734                             union i40e_rx_desc *rx_desc, u8 prog_id);
 735#endif /* I40E_FCOE */
 736void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 737#ifdef CONFIG_I40E_DCB
 738void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 739                           struct i40e_dcbx_config *old_cfg,
 740                           struct i40e_dcbx_config *new_cfg);
 741void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 742void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 743bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 744                            struct i40e_dcbx_config *old_cfg,
 745                            struct i40e_dcbx_config *new_cfg);
 746#endif /* CONFIG_I40E_DCB */
 747void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 748void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 749void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 750void i40e_ptp_set_increment(struct i40e_pf *pf);
 751int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 752int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 753void i40e_ptp_init(struct i40e_pf *pf);
 754void i40e_ptp_stop(struct i40e_pf *pf);
 755int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
 756i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
 757i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
 758i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
 759#endif /* _I40E_H_ */
 760