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_DEFAULT_NUM_DESCRIPTORS  512
  76 #define I40E_REQ_DESCRIPTOR_MULTIPLE  32
  77 #define I40E_MIN_NUM_DESCRIPTORS      64
  78 #define I40E_MIN_MSIX                 2
  79 #define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
  80 #define I40E_MIN_VSI_ALLOC            51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
  81 #define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
  82 #define I40E_DEFAULT_QUEUES_PER_VF    4
  83 #define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
  84 #define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
  85 #define I40E_FDIR_RING                0
  86 #define I40E_FDIR_RING_COUNT          32
  87 #ifdef I40E_FCOE
  88 #define I40E_DEFAULT_FCOE             8 /* default number of QPs for FCoE */
  89 #define I40E_MINIMUM_FCOE             1 /* minimum number of QPs for FCoE */
  90 #endif /* I40E_FCOE */
  91 #define I40E_MAX_AQ_BUF_SIZE          4096
  92 #define I40E_AQ_LEN                   256
  93 #define I40E_AQ_WORK_LIMIT            32
  94 #define I40E_MAX_USER_PRIORITY        8
  95 #define I40E_DEFAULT_MSG_ENABLE       4
  96 #define I40E_QUEUE_WAIT_RETRY_LIMIT   10
  97 #define I40E_INT_NAME_STR_LEN        (IFNAMSIZ + 9)
  98
  99 /* Ethtool Private Flags */
 100 #define I40E_PRIV_FLAGS_NPAR_FLAG       (1 << 0)
 101
 102 #define I40E_NVM_VERSION_LO_SHIFT  0
 103 #define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
 104 #define I40E_NVM_VERSION_HI_SHIFT  12
 105 #define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
 106
 107 /* The values in here are decimal coded as hex as is the case in the NVM map*/
 108 #define I40E_CURRENT_NVM_VERSION_HI 0x2
 109 #define I40E_CURRENT_NVM_VERSION_LO 0x40
 110
 111 /* magic for getting defines into strings */
 112 #define STRINGIFY(foo)  #foo
 113 #define XSTRINGIFY(bar) STRINGIFY(bar)
 114
 115 #define I40E_RX_DESC(R, i)                      \
 116         ((ring_is_16byte_desc_enabled(R))       \
 117                 ? (union i40e_32byte_rx_desc *) \
 118                         (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
 119                 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
 120 #define I40E_TX_DESC(R, i)                      \
 121         (&(((struct i40e_tx_desc *)((R)->desc))[i]))
 122 #define I40E_TX_CTXTDESC(R, i)                  \
 123         (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
 124 #define I40E_TX_FDIRDESC(R, i)                  \
 125         (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
 126
 127 /* default to trying for four seconds */
 128 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
 129
 130 /* driver state flags */
 131 enum i40e_state_t {
 132         __I40E_TESTING,
 133         __I40E_CONFIG_BUSY,
 134         __I40E_CONFIG_DONE,
 135         __I40E_DOWN,
 136         __I40E_NEEDS_RESTART,
 137         __I40E_SERVICE_SCHED,
 138         __I40E_ADMINQ_EVENT_PENDING,
 139         __I40E_MDD_EVENT_PENDING,
 140         __I40E_VFLR_EVENT_PENDING,
 141         __I40E_RESET_RECOVERY_PENDING,
 142         __I40E_RESET_INTR_RECEIVED,
 143         __I40E_REINIT_REQUESTED,
 144         __I40E_PF_RESET_REQUESTED,
 145         __I40E_CORE_RESET_REQUESTED,
 146         __I40E_GLOBAL_RESET_REQUESTED,
 147         __I40E_EMP_RESET_REQUESTED,
 148         __I40E_EMP_RESET_INTR_RECEIVED,
 149         __I40E_FILTER_OVERFLOW_PROMISC,
 150         __I40E_SUSPENDED,
 151         __I40E_PTP_TX_IN_PROGRESS,
 152         __I40E_BAD_EEPROM,
 153         __I40E_DOWN_REQUESTED,
 154         __I40E_FD_FLUSH_REQUESTED,
 155         __I40E_RESET_FAILED,
 156         __I40E_PORT_TX_SUSPENDED,
 157         __I40E_VF_DISABLE,
 158 };
 159
 160 enum i40e_interrupt_policy {
 161         I40E_INTERRUPT_BEST_CASE,
 162         I40E_INTERRUPT_MEDIUM,
 163         I40E_INTERRUPT_LOWEST
 164 };
 165
 166 struct i40e_lump_tracking {
 167         u16 num_entries;
 168         u16 search_hint;
 169         u16 list[0];
 170 #define I40E_PILE_VALID_BIT  0x8000
 171 };
 172
 173 #define I40E_DEFAULT_ATR_SAMPLE_RATE    20
 174 #define I40E_FDIR_MAX_RAW_PACKET_SIZE   512
 175 #define I40E_FDIR_BUFFER_FULL_MARGIN    10
 176 #define I40E_FDIR_BUFFER_HEAD_ROOM      32
 177
 178 enum i40e_fd_stat_idx {
 179         I40E_FD_STAT_ATR,
 180         I40E_FD_STAT_SB,
 181         I40E_FD_STAT_PF_COUNT
 182 };
 183 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
 184 #define I40E_FD_ATR_STAT_IDX(pf_id) \
 185                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
 186 #define I40E_FD_SB_STAT_IDX(pf_id)  \
 187                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
 188
 189 struct i40e_fdir_filter {
 190         struct hlist_node fdir_node;
 191         /* filter ipnut set */
 192         u8 flow_type;
 193         u8 ip4_proto;
 194         /* TX packet view of src and dst */
 195         __be32 dst_ip[4];
 196         __be32 src_ip[4];
 197         __be16 src_port;
 198         __be16 dst_port;
 199         __be32 sctp_v_tag;
 200         /* filter control */
 201         u16 q_index;
 202         u8  flex_off;
 203         u8  pctype;
 204         u16 dest_vsi;
 205         u8  dest_ctl;
 206         u8  fd_status;
 207         u16 cnt_index;
 208         u32 fd_id;
 209 };
 210
 211 #define I40E_ETH_P_LLDP                 0x88cc
 212
 213 #define I40E_DCB_PRIO_TYPE_STRICT       0
 214 #define I40E_DCB_PRIO_TYPE_ETS          1
 215 #define I40E_DCB_STRICT_PRIO_CREDITS    127
 216 #define I40E_MAX_USER_PRIORITY  8
 217 /* DCB per TC information data structure */
 218 struct i40e_tc_info {
 219         u16     qoffset;        /* Queue offset from base queue */
 220         u16     qcount;         /* Total Queues */
 221         u8      netdev_tc;      /* Netdev TC index if netdev associated */
 222 };
 223
 224 /* TC configuration data structure */
 225 struct i40e_tc_configuration {
 226         u8      numtc;          /* Total number of enabled TCs */
 227         u8      enabled_tc;     /* TC map */
 228         struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
 229 };
 230
 231 /* struct that defines the Ethernet device */
 232 struct i40e_pf {
 233         struct pci_dev *pdev;
 234         struct i40e_hw hw;
 235         unsigned long state;
 236         unsigned long link_check_timeout;
 237         struct msix_entry *msix_entries;
 238         bool fc_autoneg_status;
 239
 240         u16 eeprom_version;
 241         u16 num_vmdq_vsis;         /* num vmdq vsis this pf has set up */
 242         u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
 243         u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
 244         u16 num_req_vfs;           /* num vfs requested for this vf */
 245         u16 num_vf_qps;            /* num queue pairs per vf */
 246 #ifdef I40E_FCOE
 247         u16 num_fcoe_qps;          /* num fcoe queues this pf has set up */
 248         u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
 249 #endif /* I40E_FCOE */
 250         u16 num_lan_qps;           /* num lan queues this pf has set up */
 251         u16 num_lan_msix;          /* num queue vectors for the base pf vsi */
 252         int queues_left;           /* queues left unclaimed */
 253         u16 rss_size;              /* num queues in the RSS array */
 254         u16 rss_size_max;          /* HW defined max RSS queues */
 255         u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
 256         u16 num_alloc_vsi;         /* num VSIs this driver supports */
 257         u8 atr_sample_rate;
 258         bool wol_en;
 259
 260         struct hlist_head fdir_filter_list;
 261         u16 fdir_pf_active_filters;
 262         u16 fd_sb_cnt_idx;
 263         u16 fd_atr_cnt_idx;
 264         unsigned long fd_flush_timestamp;
 265         u32 fd_flush_cnt;
 266         u32 fd_add_err;
 267         u32 fd_atr_cnt;
 268         u32 fd_tcp_rule;
 269
 270 #ifdef CONFIG_I40E_VXLAN
 271         __be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
 272         u16 pending_vxlan_bitmap;
 273
 274 #endif
 275         enum i40e_interrupt_policy int_policy;
 276         u16 rx_itr_default;
 277         u16 tx_itr_default;
 278         u16 msg_enable;
 279         char int_name[I40E_INT_NAME_STR_LEN];
 280         u16 adminq_work_limit; /* num of admin receive queue desc to process */
 281         unsigned long service_timer_period;
 282         unsigned long service_timer_previous;
 283         struct timer_list service_timer;
 284         struct work_struct service_task;
 285
 286         u64 flags;
 287 #define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
 288 #define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
 289 #define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
 290 #define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
 291 #define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
 292 #define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
 293 #define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
 294 #define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
 295 #define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
 296 #ifdef I40E_FCOE
 297 #define I40E_FLAG_FCOE_ENABLED                 (u64)(1 << 11)
 298 #endif /* I40E_FCOE */
 299 #define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
 300 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
 301 #define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
 302 #define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
 303 #define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
 304 #define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
 305 #define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
 306 #define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
 307 #define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
 308 #define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
 309 #define I40E_FLAG_PTP                          (u64)(1 << 25)
 310 #define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
 311 #ifdef CONFIG_I40E_VXLAN
 312 #define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
 313 #endif
 314 #define I40E_FLAG_PORT_ID_VALID                (u64)(1 << 28)
 315 #define I40E_FLAG_DCB_CAPABLE                  (u64)(1 << 29)
 316
 317         /* tracks features that get auto disabled by errors */
 318         u64 auto_disable_flags;
 319
 320 #ifdef I40E_FCOE
 321         struct i40e_fcoe fcoe;
 322
 323 #endif /* I40E_FCOE */
 324         bool stat_offsets_loaded;
 325         struct i40e_hw_port_stats stats;
 326         struct i40e_hw_port_stats stats_offsets;
 327         u32 tx_timeout_count;
 328         u32 tx_timeout_recovery_level;
 329         unsigned long tx_timeout_last_recovery;
 330         u32 tx_sluggish_count;
 331         u32 hw_csum_rx_error;
 332         u32 led_status;
 333         u16 corer_count; /* Core reset count */
 334         u16 globr_count; /* Global reset count */
 335         u16 empr_count; /* EMP reset count */
 336         u16 pfr_count; /* PF reset count */
 337         u16 sw_int_count; /* SW interrupt count */
 338
 339         struct mutex switch_mutex;
 340         u16 lan_vsi;       /* our default LAN VSI */
 341         u16 lan_veb;       /* initial relay, if exists */
 342 #define I40E_NO_VEB   0xffff
 343 #define I40E_NO_VSI   0xffff
 344         u16 next_vsi;      /* Next unallocated VSI - 0-based! */
 345         struct i40e_vsi **vsi;
 346         struct i40e_veb *veb[I40E_MAX_VEB];
 347
 348         struct i40e_lump_tracking *qp_pile;
 349         struct i40e_lump_tracking *irq_pile;
 350
 351         /* switch config info */
 352         u16 pf_seid;
 353         u16 main_vsi_seid;
 354         u16 mac_seid;
 355         struct kobject *switch_kobj;
 356 #ifdef CONFIG_DEBUG_FS
 357         struct dentry *i40e_dbg_pf;
 358 #endif /* CONFIG_DEBUG_FS */
 359
 360         u16 instance; /* A unique number per i40e_pf instance in the system */
 361
 362         /* sr-iov config info */
 363         struct i40e_vf *vf;
 364         int num_alloc_vfs;      /* actual number of VFs allocated */
 365         u32 vf_aq_requests;
 366
 367         /* DCBx/DCBNL capability for PF that indicates
 368          * whether DCBx is managed by firmware or host
 369          * based agent (LLDPAD). Also, indicates what
 370          * flavor of DCBx protocol (IEEE/CEE) is supported
 371          * by the device. For now we're supporting IEEE
 372          * mode only.
 373          */
 374         u16 dcbx_cap;
 375
 376         u32     fcoe_hmc_filt_num;
 377         u32     fcoe_hmc_cntx_num;
 378         struct i40e_filter_control_settings filter_settings;
 379
 380         struct ptp_clock *ptp_clock;
 381         struct ptp_clock_info ptp_caps;
 382         struct sk_buff *ptp_tx_skb;
 383         struct hwtstamp_config tstamp_config;
 384         unsigned long last_rx_ptp_check;
 385         spinlock_t tmreg_lock; /* Used to protect the device time registers. */
 386         u64 ptp_base_adj;
 387         u32 tx_hwtstamp_timeouts;
 388         u32 rx_hwtstamp_cleared;
 389         bool ptp_tx;
 390         bool ptp_rx;
 391         u16 rss_table_size;
 392         /* These are only valid in NPAR modes */
 393         u32 npar_max_bw;
 394         u32 npar_min_bw;
 395 };
 396
 397 struct i40e_mac_filter {
 398         struct list_head list;
 399         u8 macaddr[ETH_ALEN];
 400 #define I40E_VLAN_ANY -1
 401         s16 vlan;
 402         u8 counter;             /* number of instances of this filter */
 403         bool is_vf;             /* filter belongs to a VF */
 404         bool is_netdev;         /* filter belongs to a netdev */
 405         bool changed;           /* filter needs to be sync'd to the HW */
 406         bool is_laa;            /* filter is a Locally Administered Address */
 407 };
 408
 409 struct i40e_veb {
 410         struct i40e_pf *pf;
 411         u16 idx;
 412         u16 veb_idx;           /* index of VEB parent */
 413         u16 seid;
 414         u16 uplink_seid;
 415         u16 stats_idx;           /* index of VEB parent */
 416         u8  enabled_tc;
 417         u16 bridge_mode;        /* Bridge Mode (VEB/VEPA) */
 418         u16 flags;
 419         u16 bw_limit;
 420         u8  bw_max_quanta;
 421         bool is_abs_credits;
 422         u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
 423         u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 424         u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 425         struct kobject *kobj;
 426         bool stat_offsets_loaded;
 427         struct i40e_eth_stats stats;
 428         struct i40e_eth_stats stats_offsets;
 429 };
 430
 431 /* struct that defines a VSI, associated with a dev */
 432 struct i40e_vsi {
 433         struct net_device *netdev;
 434         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 435         bool netdev_registered;
 436         bool stat_offsets_loaded;
 437
 438         u32 current_netdev_flags;
 439         unsigned long state;
 440 #define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 441 #define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 442         unsigned long flags;
 443
 444         struct list_head mac_filter_list;
 445
 446         /* VSI stats */
 447         struct rtnl_link_stats64 net_stats;
 448         struct rtnl_link_stats64 net_stats_offsets;
 449         struct i40e_eth_stats eth_stats;
 450         struct i40e_eth_stats eth_stats_offsets;
 451 #ifdef I40E_FCOE
 452         struct i40e_fcoe_stats fcoe_stats;
 453         struct i40e_fcoe_stats fcoe_stats_offsets;
 454         bool fcoe_stat_offsets_loaded;
 455 #endif
 456         u32 tx_restart;
 457         u32 tx_busy;
 458         u32 rx_buf_failed;
 459         u32 rx_page_failed;
 460
 461         /* These are containers of ring pointers, allocated at run-time */
 462         struct i40e_ring **rx_rings;
 463         struct i40e_ring **tx_rings;
 464
 465         u16 work_limit;
 466         /* high bit set means dynamic, use accessor routines to read/write.
 467          * hardware only supports 2us resolution for the ITR registers.
 468          * these values always store the USER setting, and must be converted
 469          * before programming to a register.
 470          */
 471         u16 rx_itr_setting;
 472         u16 tx_itr_setting;
 473
 474         u16 rss_table_size;
 475
 476         u16 max_frame;
 477         u16 rx_hdr_len;
 478         u16 rx_buf_len;
 479         u8  dtype;
 480
 481         /* List of q_vectors allocated to this VSI */
 482         struct i40e_q_vector **q_vectors;
 483         int num_q_vectors;
 484         int base_vector;
 485         bool irqs_ready;
 486
 487         u16 seid;            /* HW index of this VSI (absolute index) */
 488         u16 id;              /* VSI number */
 489         u16 uplink_seid;
 490
 491         u16 base_queue;      /* vsi's first queue in hw array */
 492         u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 493         u16 req_queue_pairs; /* User requested queue pairs */
 494         u16 num_queue_pairs; /* Used tx and rx pairs */
 495         u16 num_desc;
 496         enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 497         u16 vf_id;              /* Virtual function ID for SRIOV VSIs */
 498
 499         struct i40e_tc_configuration tc_config;
 500         struct i40e_aqc_vsi_properties_data info;
 501
 502         /* VSI BW limit (absolute across all TCs) */
 503         u16 bw_limit;           /* VSI BW Limit (0 = disabled) */
 504         u8  bw_max_quanta;      /* Max Quanta when BW limit is enabled */
 505
 506         /* Relative TC credits across VSIs */
 507         u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 508         /* TC BW limit credits within VSI */
 509         u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 510         /* TC BW limit max quanta within VSI */
 511         u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 512
 513         struct i40e_pf *back;  /* Backreference to associated PF */
 514         u16 idx;               /* index in pf->vsi[] */
 515         u16 veb_idx;           /* index of VEB parent */
 516         struct kobject *kobj;  /* sysfs object */
 517
 518         /* VSI specific handlers */
 519         irqreturn_t (*irq_handler)(int irq, void *data);
 520
 521         /* current rxnfc data */
 522         struct ethtool_rxnfc rxnfc; /* current rss hash opts */
 523 } ____cacheline_internodealigned_in_smp;
 524
 525 struct i40e_netdev_priv {
 526         struct i40e_vsi *vsi;
 527 };
 528
 529 /* struct that defines an interrupt vector */
 530 struct i40e_q_vector {
 531         struct i40e_vsi *vsi;
 532
 533         u16 v_idx;              /* index in the vsi->q_vector array. */
 534         u16 reg_idx;            /* register index of the interrupt */
 535
 536         struct napi_struct napi;
 537
 538         struct i40e_ring_container rx;
 539         struct i40e_ring_container tx;
 540
 541         u8 num_ringpairs;       /* total number of ring pairs in vector */
 542
 543         cpumask_t affinity_mask;
 544         struct rcu_head rcu;    /* to avoid race with update stats on free */
 545         char name[I40E_INT_NAME_STR_LEN];
 546 } ____cacheline_internodealigned_in_smp;
 547
 548 /* lan device */
 549 struct i40e_device {
 550         struct list_head list;
 551         struct i40e_pf *pf;
 552 };
 553
 554 /**
 555  * i40e_fw_version_str - format the FW and NVM version strings
 556  * @hw: ptr to the hardware info
 557  **/
 558 static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 559 {
 560         static char buf[32];
 561
 562         snprintf(buf, sizeof(buf),
 563                  "f%d.%d.%05d a%d.%d n%x.%02x e%x",
 564                  hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build,
 565                  hw->aq.api_maj_ver, hw->aq.api_min_ver,
 566                  (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 567                         I40E_NVM_VERSION_HI_SHIFT,
 568                  (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 569                         I40E_NVM_VERSION_LO_SHIFT,
 570                  (hw->nvm.eetrack & 0xffffff));
 571
 572         return buf;
 573 }
 574
 575 /**
 576  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
 577  * @netdev: the corresponding netdev
 578  *
 579  * Return the PF struct for the given netdev
 580  **/
 581 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 582 {
 583         struct i40e_netdev_priv *np = netdev_priv(netdev);
 584         struct i40e_vsi *vsi = np->vsi;
 585
 586         return vsi->back;
 587 }
 588
 589 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 590                                 irqreturn_t (*irq_handler)(int, void *))
 591 {
 592         vsi->irq_handler = irq_handler;
 593 }
 594
 595 /**
 596  * i40e_rx_is_programming_status - check for programming status descriptor
 597  * @qw: the first quad word of the program status descriptor
 598  *
 599  * The value of in the descriptor length field indicate if this
 600  * is a programming status descriptor for flow director or FCoE
 601  * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 602  * it is a packet descriptor.
 603  **/
 604 static inline bool i40e_rx_is_programming_status(u64 qw)
 605 {
 606         return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 607                 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 608 }
 609
 610 /**
 611  * i40e_get_fd_cnt_all - get the total FD filter space available
 612  * @pf: pointer to the pf struct
 613  **/
 614 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
 615 {
 616         return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
 617 }
 618
 619 /* needed by i40e_ethtool.c */
 620 int i40e_up(struct i40e_vsi *vsi);
 621 void i40e_down(struct i40e_vsi *vsi);
 622 extern const char i40e_driver_name[];
 623 extern const char i40e_driver_version_str[];
 624 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 625 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 626 void i40e_update_stats(struct i40e_vsi *vsi);
 627 void i40e_update_eth_stats(struct i40e_vsi *vsi);
 628 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 629 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 630                                     bool printconfig);
 631
 632 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 633                              struct i40e_pf *pf, bool add);
 634 int i40e_add_del_fdir(struct i40e_vsi *vsi,
 635                       struct i40e_fdir_filter *input, bool add);
 636 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
 637 int i40e_get_current_fd_count(struct i40e_pf *pf);
 638 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
 639 int i40e_get_current_atr_cnt(struct i40e_pf *pf);
 640 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
 641 void i40e_set_ethtool_ops(struct net_device *netdev);
 642 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 643                                         u8 *macaddr, s16 vlan,
 644                                         bool is_vf, bool is_netdev);
 645 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 646                      bool is_vf, bool is_netdev);
 647 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 648 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 649                                 u16 uplink, u32 param1);
 650 int i40e_vsi_release(struct i40e_vsi *vsi);
 651 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 652                                  struct i40e_vsi *start_vsi);
 653 #ifdef I40E_FCOE
 654 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 655                               struct i40e_vsi_context *ctxt,
 656                               u8 enabled_tc, bool is_add);
 657 #endif
 658 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 659 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 660 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 661                                 u16 downlink_seid, u8 enabled_tc);
 662 void i40e_veb_release(struct i40e_veb *veb);
 663
 664 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 665 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 666 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 667 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 668 void i40e_pf_reset_stats(struct i40e_pf *pf);
 669 #ifdef CONFIG_DEBUG_FS
 670 void i40e_dbg_pf_init(struct i40e_pf *pf);
 671 void i40e_dbg_pf_exit(struct i40e_pf *pf);
 672 void i40e_dbg_init(void);
 673 void i40e_dbg_exit(void);
 674 #else
 675 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 676 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 677 static inline void i40e_dbg_init(void) {}
 678 static inline void i40e_dbg_exit(void) {}
 679 #endif /* CONFIG_DEBUG_FS*/
 680 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 681 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
 682 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 683 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 684 #ifdef I40E_FCOE
 685 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 686                                              struct net_device *netdev,
 687                                              struct rtnl_link_stats64 *storage);
 688 int i40e_set_mac(struct net_device *netdev, void *p);
 689 void i40e_set_rx_mode(struct net_device *netdev);
 690 #endif
 691 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 692 #ifdef I40E_FCOE
 693 void i40e_tx_timeout(struct net_device *netdev);
 694 int i40e_vlan_rx_add_vid(struct net_device *netdev,
 695                          __always_unused __be16 proto, u16 vid);
 696 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 697                           __always_unused __be16 proto, u16 vid);
 698 #endif
 699 int i40e_open(struct net_device *netdev);
 700 int i40e_vsi_open(struct i40e_vsi *vsi);
 701 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 702 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 703 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 704 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 705                                              bool is_vf, bool is_netdev);
 706 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 707 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 708                                       bool is_vf, bool is_netdev);
 709 #ifdef I40E_FCOE
 710 int i40e_close(struct net_device *netdev);
 711 int i40e_setup_tc(struct net_device *netdev, u8 tc);
 712 void i40e_netpoll(struct net_device *netdev);
 713 int i40e_fcoe_enable(struct net_device *netdev);
 714 int i40e_fcoe_disable(struct net_device *netdev);
 715 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
 716 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
 717 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
 718 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
 719 int i40e_init_pf_fcoe(struct i40e_pf *pf);
 720 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
 721 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
 722 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
 723                              union i40e_rx_desc *rx_desc,
 724                              struct sk_buff *skb);
 725 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
 726                              union i40e_rx_desc *rx_desc, u8 prog_id);
 727 #endif /* I40E_FCOE */
 728 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 729 #ifdef CONFIG_I40E_DCB
 730 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 731                            struct i40e_dcbx_config *old_cfg,
 732                            struct i40e_dcbx_config *new_cfg);
 733 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 734 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 735 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 736                             struct i40e_dcbx_config *old_cfg,
 737                             struct i40e_dcbx_config *new_cfg);
 738 #endif /* CONFIG_I40E_DCB */
 739 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 740 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 741 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 742 void i40e_ptp_set_increment(struct i40e_pf *pf);
 743 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 744 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 745 void i40e_ptp_init(struct i40e_pf *pf);
 746 void i40e_ptp_stop(struct i40e_pf *pf);
 747 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
 748 #if IS_ENABLED(CONFIG_CONFIGFS_FS)
 749 int i40e_configfs_init(void);
 750 void i40e_configfs_exit(void);
 751 #endif /* CONFIG_CONFIGFS_FS */
 752 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
 753 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
 754 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
 755 #endif /* _I40E_H_ */