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/clocksource.h>
  54 #include <linux/net_tstamp.h>
  55 #include <linux/ptp_clock_kernel.h>
  56 #include "i40e_type.h"
  57 #include "i40e_prototype.h"
  58 #ifdef I40E_FCOE
  59 #include "i40e_fcoe.h"
  60 #endif
  61 #include "i40e_virtchnl.h"
  62 #include "i40e_virtchnl_pf.h"
  63 #include "i40e_txrx.h"
  64 #include "i40e_dcb.h"
  65
  66 /* Useful i40e defaults */
  67 #define I40E_BASE_PF_SEID     16
  68 #define I40E_BASE_VSI_SEID    512
  69 #define I40E_BASE_VEB_SEID    288
  70 #define I40E_MAX_VEB          16
  71
  72 #define I40E_MAX_NUM_DESCRIPTORS      4096
  73 #define I40E_MAX_REGISTER     0x800000
  74 #define I40E_DEFAULT_NUM_DESCRIPTORS  512
  75 #define I40E_REQ_DESCRIPTOR_MULTIPLE  32
  76 #define I40E_MIN_NUM_DESCRIPTORS      64
  77 #define I40E_MIN_MSIX                 2
  78 #define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
  79 #define I40E_MIN_VSI_ALLOC            51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
  80 #define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
  81 #define I40E_DEFAULT_QUEUES_PER_VF    4
  82 #define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
  83 #define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
  84 #define I40E_FDIR_RING                0
  85 #define I40E_FDIR_RING_COUNT          32
  86 #ifdef I40E_FCOE
  87 #define I40E_DEFAULT_FCOE             8 /* default number of QPs for FCoE */
  88 #define I40E_MINIMUM_FCOE             1 /* minimum number of QPs for FCoE */
  89 #endif /* I40E_FCOE */
  90 #define I40E_MAX_AQ_BUF_SIZE          4096
  91 #define I40E_AQ_LEN                   256
  92 #define I40E_AQ_WORK_LIMIT            32
  93 #define I40E_MAX_USER_PRIORITY        8
  94 #define I40E_DEFAULT_MSG_ENABLE       4
  95 #define I40E_QUEUE_WAIT_RETRY_LIMIT   10
  96 #define I40E_INT_NAME_STR_LEN        (IFNAMSIZ + 9)
  97
  98 #define I40E_NVM_VERSION_LO_SHIFT  0
  99 #define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
 100 #define I40E_NVM_VERSION_HI_SHIFT  12
 101 #define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
 102
 103 /* The values in here are decimal coded as hex as is the case in the NVM map*/
 104 #define I40E_CURRENT_NVM_VERSION_HI 0x2
 105 #define I40E_CURRENT_NVM_VERSION_LO 0x40
 106
 107 /* magic for getting defines into strings */
 108 #define STRINGIFY(foo)  #foo
 109 #define XSTRINGIFY(bar) STRINGIFY(bar)
 110
 111 #define I40E_RX_DESC(R, i)                      \
 112         ((ring_is_16byte_desc_enabled(R))       \
 113                 ? (union i40e_32byte_rx_desc *) \
 114                         (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
 115                 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
 116 #define I40E_TX_DESC(R, i)                      \
 117         (&(((struct i40e_tx_desc *)((R)->desc))[i]))
 118 #define I40E_TX_CTXTDESC(R, i)                  \
 119         (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
 120 #define I40E_TX_FDIRDESC(R, i)                  \
 121         (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
 122
 123 /* default to trying for four seconds */
 124 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
 125
 126 /* driver state flags */
 127 enum i40e_state_t {
 128         __I40E_TESTING,
 129         __I40E_CONFIG_BUSY,
 130         __I40E_CONFIG_DONE,
 131         __I40E_DOWN,
 132         __I40E_NEEDS_RESTART,
 133         __I40E_SERVICE_SCHED,
 134         __I40E_ADMINQ_EVENT_PENDING,
 135         __I40E_MDD_EVENT_PENDING,
 136         __I40E_VFLR_EVENT_PENDING,
 137         __I40E_RESET_RECOVERY_PENDING,
 138         __I40E_RESET_INTR_RECEIVED,
 139         __I40E_REINIT_REQUESTED,
 140         __I40E_PF_RESET_REQUESTED,
 141         __I40E_CORE_RESET_REQUESTED,
 142         __I40E_GLOBAL_RESET_REQUESTED,
 143         __I40E_EMP_RESET_REQUESTED,
 144         __I40E_EMP_RESET_INTR_RECEIVED,
 145         __I40E_FILTER_OVERFLOW_PROMISC,
 146         __I40E_SUSPENDED,
 147         __I40E_PTP_TX_IN_PROGRESS,
 148         __I40E_BAD_EEPROM,
 149         __I40E_DOWN_REQUESTED,
 150         __I40E_FD_FLUSH_REQUESTED,
 151         __I40E_RESET_FAILED,
 152         __I40E_PORT_TX_SUSPENDED,
 153         __I40E_VF_DISABLE,
 154 };
 155
 156 enum i40e_interrupt_policy {
 157         I40E_INTERRUPT_BEST_CASE,
 158         I40E_INTERRUPT_MEDIUM,
 159         I40E_INTERRUPT_LOWEST
 160 };
 161
 162 struct i40e_lump_tracking {
 163         u16 num_entries;
 164         u16 search_hint;
 165         u16 list[0];
 166 #define I40E_PILE_VALID_BIT  0x8000
 167 };
 168
 169 #define I40E_DEFAULT_ATR_SAMPLE_RATE    20
 170 #define I40E_FDIR_MAX_RAW_PACKET_SIZE   512
 171 #define I40E_FDIR_BUFFER_FULL_MARGIN    10
 172 #define I40E_FDIR_BUFFER_HEAD_ROOM      32
 173
 174 enum i40e_fd_stat_idx {
 175         I40E_FD_STAT_ATR,
 176         I40E_FD_STAT_SB,
 177         I40E_FD_STAT_PF_COUNT
 178 };
 179 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
 180 #define I40E_FD_ATR_STAT_IDX(pf_id) \
 181                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
 182 #define I40E_FD_SB_STAT_IDX(pf_id)  \
 183                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
 184
 185 struct i40e_fdir_filter {
 186         struct hlist_node fdir_node;
 187         /* filter ipnut set */
 188         u8 flow_type;
 189         u8 ip4_proto;
 190         /* TX packet view of src and dst */
 191         __be32 dst_ip[4];
 192         __be32 src_ip[4];
 193         __be16 src_port;
 194         __be16 dst_port;
 195         __be32 sctp_v_tag;
 196         /* filter control */
 197         u16 q_index;
 198         u8  flex_off;
 199         u8  pctype;
 200         u16 dest_vsi;
 201         u8  dest_ctl;
 202         u8  fd_status;
 203         u16 cnt_index;
 204         u32 fd_id;
 205 };
 206
 207 #define I40E_ETH_P_LLDP                 0x88cc
 208
 209 #define I40E_DCB_PRIO_TYPE_STRICT       0
 210 #define I40E_DCB_PRIO_TYPE_ETS          1
 211 #define I40E_DCB_STRICT_PRIO_CREDITS    127
 212 #define I40E_MAX_USER_PRIORITY  8
 213 /* DCB per TC information data structure */
 214 struct i40e_tc_info {
 215         u16     qoffset;        /* Queue offset from base queue */
 216         u16     qcount;         /* Total Queues */
 217         u8      netdev_tc;      /* Netdev TC index if netdev associated */
 218 };
 219
 220 /* TC configuration data structure */
 221 struct i40e_tc_configuration {
 222         u8      numtc;          /* Total number of enabled TCs */
 223         u8      enabled_tc;     /* TC map */
 224         struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
 225 };
 226
 227 /* struct that defines the Ethernet device */
 228 struct i40e_pf {
 229         struct pci_dev *pdev;
 230         struct i40e_hw hw;
 231         unsigned long state;
 232         unsigned long link_check_timeout;
 233         struct msix_entry *msix_entries;
 234         bool fc_autoneg_status;
 235
 236         u16 eeprom_version;
 237         u16 num_vmdq_vsis;         /* num vmdq vsis this pf has set up */
 238         u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
 239         u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
 240         u16 num_req_vfs;           /* num vfs requested for this vf */
 241         u16 num_vf_qps;            /* num queue pairs per vf */
 242 #ifdef I40E_FCOE
 243         u16 num_fcoe_qps;          /* num fcoe queues this pf has set up */
 244         u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
 245 #endif /* I40E_FCOE */
 246         u16 num_lan_qps;           /* num lan queues this pf has set up */
 247         u16 num_lan_msix;          /* num queue vectors for the base pf vsi */
 248         int queues_left;           /* queues left unclaimed */
 249         u16 rss_size;              /* num queues in the RSS array */
 250         u16 rss_size_max;          /* HW defined max RSS queues */
 251         u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
 252         u16 num_alloc_vsi;         /* num VSIs this driver supports */
 253         u8 atr_sample_rate;
 254         bool wol_en;
 255
 256         struct hlist_head fdir_filter_list;
 257         u16 fdir_pf_active_filters;
 258         u16 fd_sb_cnt_idx;
 259         u16 fd_atr_cnt_idx;
 260         unsigned long fd_flush_timestamp;
 261         u32 fd_flush_cnt;
 262         u32 fd_add_err;
 263         u32 fd_atr_cnt;
 264         u32 fd_tcp_rule;
 265
 266 #ifdef CONFIG_I40E_VXLAN
 267         __be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
 268         u16 pending_vxlan_bitmap;
 269
 270 #endif
 271         enum i40e_interrupt_policy int_policy;
 272         u16 rx_itr_default;
 273         u16 tx_itr_default;
 274         u16 msg_enable;
 275         char int_name[I40E_INT_NAME_STR_LEN];
 276         u16 adminq_work_limit; /* num of admin receive queue desc to process */
 277         unsigned long service_timer_period;
 278         unsigned long service_timer_previous;
 279         struct timer_list service_timer;
 280         struct work_struct service_task;
 281
 282         u64 flags;
 283 #define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
 284 #define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
 285 #define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
 286 #define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
 287 #define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
 288 #define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
 289 #define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
 290 #define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
 291 #define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
 292 #ifdef I40E_FCOE
 293 #define I40E_FLAG_FCOE_ENABLED                 (u64)(1 << 11)
 294 #endif /* I40E_FCOE */
 295 #define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
 296 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
 297 #define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
 298 #define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
 299 #define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
 300 #define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
 301 #define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
 302 #define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
 303 #define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
 304 #define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
 305 #define I40E_FLAG_PTP                          (u64)(1 << 25)
 306 #define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
 307 #ifdef CONFIG_I40E_VXLAN
 308 #define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
 309 #endif
 310 #define I40E_FLAG_PORT_ID_VALID                (u64)(1 << 28)
 311 #define I40E_FLAG_DCB_CAPABLE                  (u64)(1 << 29)
 312
 313         /* tracks features that get auto disabled by errors */
 314         u64 auto_disable_flags;
 315
 316 #ifdef I40E_FCOE
 317         struct i40e_fcoe fcoe;
 318
 319 #endif /* I40E_FCOE */
 320         bool stat_offsets_loaded;
 321         struct i40e_hw_port_stats stats;
 322         struct i40e_hw_port_stats stats_offsets;
 323         u32 tx_timeout_count;
 324         u32 tx_timeout_recovery_level;
 325         unsigned long tx_timeout_last_recovery;
 326         u32 tx_sluggish_count;
 327         u32 hw_csum_rx_error;
 328         u32 led_status;
 329         u16 corer_count; /* Core reset count */
 330         u16 globr_count; /* Global reset count */
 331         u16 empr_count; /* EMP reset count */
 332         u16 pfr_count; /* PF reset count */
 333         u16 sw_int_count; /* SW interrupt count */
 334
 335         struct mutex switch_mutex;
 336         u16 lan_vsi;       /* our default LAN VSI */
 337         u16 lan_veb;       /* initial relay, if exists */
 338 #define I40E_NO_VEB   0xffff
 339 #define I40E_NO_VSI   0xffff
 340         u16 next_vsi;      /* Next unallocated VSI - 0-based! */
 341         struct i40e_vsi **vsi;
 342         struct i40e_veb *veb[I40E_MAX_VEB];
 343
 344         struct i40e_lump_tracking *qp_pile;
 345         struct i40e_lump_tracking *irq_pile;
 346
 347         /* switch config info */
 348         u16 pf_seid;
 349         u16 main_vsi_seid;
 350         u16 mac_seid;
 351         struct kobject *switch_kobj;
 352 #ifdef CONFIG_DEBUG_FS
 353         struct dentry *i40e_dbg_pf;
 354 #endif /* CONFIG_DEBUG_FS */
 355
 356         u16 instance; /* A unique number per i40e_pf instance in the system */
 357
 358         /* sr-iov config info */
 359         struct i40e_vf *vf;
 360         int num_alloc_vfs;      /* actual number of VFs allocated */
 361         u32 vf_aq_requests;
 362
 363         /* DCBx/DCBNL capability for PF that indicates
 364          * whether DCBx is managed by firmware or host
 365          * based agent (LLDPAD). Also, indicates what
 366          * flavor of DCBx protocol (IEEE/CEE) is supported
 367          * by the device. For now we're supporting IEEE
 368          * mode only.
 369          */
 370         u16 dcbx_cap;
 371
 372         u32     fcoe_hmc_filt_num;
 373         u32     fcoe_hmc_cntx_num;
 374         struct i40e_filter_control_settings filter_settings;
 375
 376         struct ptp_clock *ptp_clock;
 377         struct ptp_clock_info ptp_caps;
 378         struct sk_buff *ptp_tx_skb;
 379         struct hwtstamp_config tstamp_config;
 380         unsigned long last_rx_ptp_check;
 381         spinlock_t tmreg_lock; /* Used to protect the device time registers. */
 382         u64 ptp_base_adj;
 383         u32 tx_hwtstamp_timeouts;
 384         u32 rx_hwtstamp_cleared;
 385         bool ptp_tx;
 386         bool ptp_rx;
 387         u16 rss_table_size;
 388 };
 389
 390 struct i40e_mac_filter {
 391         struct list_head list;
 392         u8 macaddr[ETH_ALEN];
 393 #define I40E_VLAN_ANY -1
 394         s16 vlan;
 395         u8 counter;             /* number of instances of this filter */
 396         bool is_vf;             /* filter belongs to a VF */
 397         bool is_netdev;         /* filter belongs to a netdev */
 398         bool changed;           /* filter needs to be sync'd to the HW */
 399         bool is_laa;            /* filter is a Locally Administered Address */
 400 };
 401
 402 struct i40e_veb {
 403         struct i40e_pf *pf;
 404         u16 idx;
 405         u16 veb_idx;           /* index of VEB parent */
 406         u16 seid;
 407         u16 uplink_seid;
 408         u16 stats_idx;           /* index of VEB parent */
 409         u8  enabled_tc;
 410         u16 flags;
 411         u16 bw_limit;
 412         u8  bw_max_quanta;
 413         bool is_abs_credits;
 414         u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
 415         u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 416         u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 417         struct kobject *kobj;
 418         bool stat_offsets_loaded;
 419         struct i40e_eth_stats stats;
 420         struct i40e_eth_stats stats_offsets;
 421 };
 422
 423 /* struct that defines a VSI, associated with a dev */
 424 struct i40e_vsi {
 425         struct net_device *netdev;
 426         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 427         bool netdev_registered;
 428         bool stat_offsets_loaded;
 429
 430         u32 current_netdev_flags;
 431         unsigned long state;
 432 #define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 433 #define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 434         unsigned long flags;
 435
 436         struct list_head mac_filter_list;
 437
 438         /* VSI stats */
 439         struct rtnl_link_stats64 net_stats;
 440         struct rtnl_link_stats64 net_stats_offsets;
 441         struct i40e_eth_stats eth_stats;
 442         struct i40e_eth_stats eth_stats_offsets;
 443 #ifdef I40E_FCOE
 444         struct i40e_fcoe_stats fcoe_stats;
 445         struct i40e_fcoe_stats fcoe_stats_offsets;
 446         bool fcoe_stat_offsets_loaded;
 447 #endif
 448         u32 tx_restart;
 449         u32 tx_busy;
 450         u32 rx_buf_failed;
 451         u32 rx_page_failed;
 452
 453         /* These are containers of ring pointers, allocated at run-time */
 454         struct i40e_ring **rx_rings;
 455         struct i40e_ring **tx_rings;
 456
 457         u16 work_limit;
 458         /* high bit set means dynamic, use accessor routines to read/write.
 459          * hardware only supports 2us resolution for the ITR registers.
 460          * these values always store the USER setting, and must be converted
 461          * before programming to a register.
 462          */
 463         u16 rx_itr_setting;
 464         u16 tx_itr_setting;
 465
 466         u16 max_frame;
 467         u16 rx_hdr_len;
 468         u16 rx_buf_len;
 469         u8  dtype;
 470
 471         /* List of q_vectors allocated to this VSI */
 472         struct i40e_q_vector **q_vectors;
 473         int num_q_vectors;
 474         int base_vector;
 475         bool irqs_ready;
 476
 477         u16 seid;            /* HW index of this VSI (absolute index) */
 478         u16 id;              /* VSI number */
 479         u16 uplink_seid;
 480
 481         u16 base_queue;      /* vsi's first queue in hw array */
 482         u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 483         u16 num_queue_pairs; /* Used tx and rx pairs */
 484         u16 num_desc;
 485         enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 486         u16 vf_id;              /* Virtual function ID for SRIOV VSIs */
 487
 488         struct i40e_tc_configuration tc_config;
 489         struct i40e_aqc_vsi_properties_data info;
 490
 491         /* VSI BW limit (absolute across all TCs) */
 492         u16 bw_limit;           /* VSI BW Limit (0 = disabled) */
 493         u8  bw_max_quanta;      /* Max Quanta when BW limit is enabled */
 494
 495         /* Relative TC credits across VSIs */
 496         u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 497         /* TC BW limit credits within VSI */
 498         u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 499         /* TC BW limit max quanta within VSI */
 500         u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 501
 502         struct i40e_pf *back;  /* Backreference to associated PF */
 503         u16 idx;               /* index in pf->vsi[] */
 504         u16 veb_idx;           /* index of VEB parent */
 505         struct kobject *kobj;  /* sysfs object */
 506
 507         /* VSI specific handlers */
 508         irqreturn_t (*irq_handler)(int irq, void *data);
 509
 510         /* current rxnfc data */
 511         struct ethtool_rxnfc rxnfc; /* current rss hash opts */
 512 } ____cacheline_internodealigned_in_smp;
 513
 514 struct i40e_netdev_priv {
 515         struct i40e_vsi *vsi;
 516 };
 517
 518 /* struct that defines an interrupt vector */
 519 struct i40e_q_vector {
 520         struct i40e_vsi *vsi;
 521
 522         u16 v_idx;              /* index in the vsi->q_vector array. */
 523         u16 reg_idx;            /* register index of the interrupt */
 524
 525         struct napi_struct napi;
 526
 527         struct i40e_ring_container rx;
 528         struct i40e_ring_container tx;
 529
 530         u8 num_ringpairs;       /* total number of ring pairs in vector */
 531
 532         cpumask_t affinity_mask;
 533         struct rcu_head rcu;    /* to avoid race with update stats on free */
 534         char name[I40E_INT_NAME_STR_LEN];
 535 } ____cacheline_internodealigned_in_smp;
 536
 537 /* lan device */
 538 struct i40e_device {
 539         struct list_head list;
 540         struct i40e_pf *pf;
 541 };
 542
 543 /**
 544  * i40e_fw_version_str - format the FW and NVM version strings
 545  * @hw: ptr to the hardware info
 546  **/
 547 static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 548 {
 549         static char buf[32];
 550
 551         snprintf(buf, sizeof(buf),
 552                  "f%d.%d a%d.%d n%02x.%02x e%08x",
 553                  hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
 554                  hw->aq.api_maj_ver, hw->aq.api_min_ver,
 555                  (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 556                         I40E_NVM_VERSION_HI_SHIFT,
 557                  (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 558                         I40E_NVM_VERSION_LO_SHIFT,
 559                  hw->nvm.eetrack);
 560
 561         return buf;
 562 }
 563
 564 /**
 565  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
 566  * @netdev: the corresponding netdev
 567  *
 568  * Return the PF struct for the given netdev
 569  **/
 570 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 571 {
 572         struct i40e_netdev_priv *np = netdev_priv(netdev);
 573         struct i40e_vsi *vsi = np->vsi;
 574
 575         return vsi->back;
 576 }
 577
 578 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 579                                 irqreturn_t (*irq_handler)(int, void *))
 580 {
 581         vsi->irq_handler = irq_handler;
 582 }
 583
 584 /**
 585  * i40e_rx_is_programming_status - check for programming status descriptor
 586  * @qw: the first quad word of the program status descriptor
 587  *
 588  * The value of in the descriptor length field indicate if this
 589  * is a programming status descriptor for flow director or FCoE
 590  * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 591  * it is a packet descriptor.
 592  **/
 593 static inline bool i40e_rx_is_programming_status(u64 qw)
 594 {
 595         return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 596                 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 597 }
 598
 599 /**
 600  * i40e_get_fd_cnt_all - get the total FD filter space available
 601  * @pf: pointer to the pf struct
 602  **/
 603 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
 604 {
 605         return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
 606 }
 607
 608 /* needed by i40e_ethtool.c */
 609 int i40e_up(struct i40e_vsi *vsi);
 610 void i40e_down(struct i40e_vsi *vsi);
 611 extern const char i40e_driver_name[];
 612 extern const char i40e_driver_version_str[];
 613 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 614 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 615 void i40e_update_stats(struct i40e_vsi *vsi);
 616 void i40e_update_eth_stats(struct i40e_vsi *vsi);
 617 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 618 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 619                                     bool printconfig);
 620
 621 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 622                              struct i40e_pf *pf, bool add);
 623 int i40e_add_del_fdir(struct i40e_vsi *vsi,
 624                       struct i40e_fdir_filter *input, bool add);
 625 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
 626 int i40e_get_current_fd_count(struct i40e_pf *pf);
 627 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
 628 int i40e_get_current_atr_cnt(struct i40e_pf *pf);
 629 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
 630 void i40e_set_ethtool_ops(struct net_device *netdev);
 631 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 632                                         u8 *macaddr, s16 vlan,
 633                                         bool is_vf, bool is_netdev);
 634 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 635                      bool is_vf, bool is_netdev);
 636 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 637 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 638                                 u16 uplink, u32 param1);
 639 int i40e_vsi_release(struct i40e_vsi *vsi);
 640 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 641                                  struct i40e_vsi *start_vsi);
 642 #ifdef I40E_FCOE
 643 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 644                               struct i40e_vsi_context *ctxt,
 645                               u8 enabled_tc, bool is_add);
 646 #endif
 647 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 648 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 649 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 650                                 u16 downlink_seid, u8 enabled_tc);
 651 void i40e_veb_release(struct i40e_veb *veb);
 652
 653 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 654 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 655 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 656 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 657 void i40e_pf_reset_stats(struct i40e_pf *pf);
 658 #ifdef CONFIG_DEBUG_FS
 659 void i40e_dbg_pf_init(struct i40e_pf *pf);
 660 void i40e_dbg_pf_exit(struct i40e_pf *pf);
 661 void i40e_dbg_init(void);
 662 void i40e_dbg_exit(void);
 663 #else
 664 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 665 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 666 static inline void i40e_dbg_init(void) {}
 667 static inline void i40e_dbg_exit(void) {}
 668 #endif /* CONFIG_DEBUG_FS*/
 669 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 670 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
 671 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 672 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 673 #ifdef I40E_FCOE
 674 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 675                                              struct net_device *netdev,
 676                                              struct rtnl_link_stats64 *storage);
 677 int i40e_set_mac(struct net_device *netdev, void *p);
 678 void i40e_set_rx_mode(struct net_device *netdev);
 679 #endif
 680 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 681 #ifdef I40E_FCOE
 682 void i40e_tx_timeout(struct net_device *netdev);
 683 int i40e_vlan_rx_add_vid(struct net_device *netdev,
 684                          __always_unused __be16 proto, u16 vid);
 685 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 686                           __always_unused __be16 proto, u16 vid);
 687 #endif
 688 int i40e_vsi_open(struct i40e_vsi *vsi);
 689 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 690 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 691 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 692 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 693                                              bool is_vf, bool is_netdev);
 694 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 695 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 696                                       bool is_vf, bool is_netdev);
 697 #ifdef I40E_FCOE
 698 int i40e_open(struct net_device *netdev);
 699 int i40e_close(struct net_device *netdev);
 700 int i40e_setup_tc(struct net_device *netdev, u8 tc);
 701 void i40e_netpoll(struct net_device *netdev);
 702 int i40e_fcoe_enable(struct net_device *netdev);
 703 int i40e_fcoe_disable(struct net_device *netdev);
 704 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
 705 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
 706 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
 707 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
 708 int i40e_init_pf_fcoe(struct i40e_pf *pf);
 709 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
 710 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
 711 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
 712                              union i40e_rx_desc *rx_desc,
 713                              struct sk_buff *skb);
 714 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
 715                              union i40e_rx_desc *rx_desc, u8 prog_id);
 716 #endif /* I40E_FCOE */
 717 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 718 #ifdef CONFIG_I40E_DCB
 719 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 720                            struct i40e_dcbx_config *new_cfg);
 721 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 722 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 723 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 724                             struct i40e_dcbx_config *old_cfg,
 725                             struct i40e_dcbx_config *new_cfg);
 726 #endif /* CONFIG_I40E_DCB */
 727 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 728 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 729 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 730 void i40e_ptp_set_increment(struct i40e_pf *pf);
 731 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 732 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 733 void i40e_ptp_init(struct i40e_pf *pf);
 734 void i40e_ptp_stop(struct i40e_pf *pf);
 735 #endif /* _I40E_H_ */