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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2014 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/slab.h>
  40 #include <linux/list.h>
  41 #include <linux/string.h>
  42 #include <linux/in.h>
  43 #include <linux/ip.h>
  44 #include <linux/tcp.h>
  45 #include <linux/sctp.h>
  46 #include <linux/pkt_sched.h>
  47 #include <linux/ipv6.h>
  48 #include <net/checksum.h>
  49 #include <net/ip6_checksum.h>
  50 #include <linux/ethtool.h>
  51 #include <linux/if_vlan.h>
  52 #include <linux/clocksource.h>
  53 #include <linux/net_tstamp.h>
  54 #include <linux/ptp_clock_kernel.h>
  55 #include "i40e_type.h"
  56 #include "i40e_prototype.h"
  57 #ifdef I40E_FCOE
  58 #include "i40e_fcoe.h"
  59 #endif
  60 #include "i40e_virtchnl.h"
  61 #include "i40e_virtchnl_pf.h"
  62 #include "i40e_txrx.h"
  63 #include "i40e_dcb.h"
  64
  65 /* Useful i40e defaults */
  66 #define I40E_BASE_PF_SEID     16
  67 #define I40E_BASE_VSI_SEID    512
  68 #define I40E_BASE_VEB_SEID    288
  69 #define I40E_MAX_VEB          16
  70
  71 #define I40E_MAX_NUM_DESCRIPTORS      4096
  72 #define I40E_MAX_REGISTER     0x800000
  73 #define I40E_DEFAULT_NUM_DESCRIPTORS  512
  74 #define I40E_REQ_DESCRIPTOR_MULTIPLE  32
  75 #define I40E_MIN_NUM_DESCRIPTORS      64
  76 #define I40E_MIN_MSIX                 2
  77 #define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
  78 #define I40E_MIN_VSI_ALLOC            51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
  79 #define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
  80 #define I40E_DEFAULT_QUEUES_PER_VF    4
  81 #define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
  82 #define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
  83 #define I40E_FDIR_RING                0
  84 #define I40E_FDIR_RING_COUNT          32
  85 #ifdef I40E_FCOE
  86 #define I40E_DEFAULT_FCOE             8 /* default number of QPs for FCoE */
  87 #define I40E_MINIMUM_FCOE             1 /* minimum number of QPs for FCoE */
  88 #endif /* I40E_FCOE */
  89 #define I40E_MAX_AQ_BUF_SIZE          4096
  90 #define I40E_AQ_LEN                   128
  91 #define I40E_AQ_WORK_LIMIT            16
  92 #define I40E_MAX_USER_PRIORITY        8
  93 #define I40E_DEFAULT_MSG_ENABLE       4
  94 #define I40E_QUEUE_WAIT_RETRY_LIMIT   10
  95 #define I40E_INT_NAME_STR_LEN        (IFNAMSIZ + 9)
  96
  97 #define I40E_NVM_VERSION_LO_SHIFT  0
  98 #define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
  99 #define I40E_NVM_VERSION_HI_SHIFT  12
 100 #define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
 101
 102 /* The values in here are decimal coded as hex as is the case in the NVM map*/
 103 #define I40E_CURRENT_NVM_VERSION_HI 0x2
 104 #define I40E_CURRENT_NVM_VERSION_LO 0x40
 105
 106 /* magic for getting defines into strings */
 107 #define STRINGIFY(foo)  #foo
 108 #define XSTRINGIFY(bar) STRINGIFY(bar)
 109
 110 #define I40E_RX_DESC(R, i)                      \
 111         ((ring_is_16byte_desc_enabled(R))       \
 112                 ? (union i40e_32byte_rx_desc *) \
 113                         (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
 114                 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
 115 #define I40E_TX_DESC(R, i)                      \
 116         (&(((struct i40e_tx_desc *)((R)->desc))[i]))
 117 #define I40E_TX_CTXTDESC(R, i)                  \
 118         (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
 119 #define I40E_TX_FDIRDESC(R, i)                  \
 120         (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
 121
 122 /* default to trying for four seconds */
 123 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
 124
 125 /* driver state flags */
 126 enum i40e_state_t {
 127         __I40E_TESTING,
 128         __I40E_CONFIG_BUSY,
 129         __I40E_CONFIG_DONE,
 130         __I40E_DOWN,
 131         __I40E_NEEDS_RESTART,
 132         __I40E_SERVICE_SCHED,
 133         __I40E_ADMINQ_EVENT_PENDING,
 134         __I40E_MDD_EVENT_PENDING,
 135         __I40E_VFLR_EVENT_PENDING,
 136         __I40E_RESET_RECOVERY_PENDING,
 137         __I40E_RESET_INTR_RECEIVED,
 138         __I40E_REINIT_REQUESTED,
 139         __I40E_PF_RESET_REQUESTED,
 140         __I40E_CORE_RESET_REQUESTED,
 141         __I40E_GLOBAL_RESET_REQUESTED,
 142         __I40E_EMP_RESET_REQUESTED,
 143         __I40E_FILTER_OVERFLOW_PROMISC,
 144         __I40E_SUSPENDED,
 145         __I40E_PTP_TX_IN_PROGRESS,
 146         __I40E_BAD_EEPROM,
 147         __I40E_DOWN_REQUESTED,
 148         __I40E_FD_FLUSH_REQUESTED,
 149         __I40E_RESET_FAILED,
 150         __I40E_PORT_TX_SUSPENDED,
 151 };
 152
 153 enum i40e_interrupt_policy {
 154         I40E_INTERRUPT_BEST_CASE,
 155         I40E_INTERRUPT_MEDIUM,
 156         I40E_INTERRUPT_LOWEST
 157 };
 158
 159 struct i40e_lump_tracking {
 160         u16 num_entries;
 161         u16 search_hint;
 162         u16 list[0];
 163 #define I40E_PILE_VALID_BIT  0x8000
 164 };
 165
 166 #define I40E_DEFAULT_ATR_SAMPLE_RATE    20
 167 #define I40E_FDIR_MAX_RAW_PACKET_SIZE   512
 168 #define I40E_FDIR_BUFFER_FULL_MARGIN    10
 169 #define I40E_FDIR_BUFFER_HEAD_ROOM      32
 170
 171 enum i40e_fd_stat_idx {
 172         I40E_FD_STAT_ATR,
 173         I40E_FD_STAT_SB,
 174         I40E_FD_STAT_PF_COUNT
 175 };
 176 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
 177 #define I40E_FD_ATR_STAT_IDX(pf_id) \
 178                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
 179 #define I40E_FD_SB_STAT_IDX(pf_id)  \
 180                         (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
 181
 182 struct i40e_fdir_filter {
 183         struct hlist_node fdir_node;
 184         /* filter ipnut set */
 185         u8 flow_type;
 186         u8 ip4_proto;
 187         /* TX packet view of src and dst */
 188         __be32 dst_ip[4];
 189         __be32 src_ip[4];
 190         __be16 src_port;
 191         __be16 dst_port;
 192         __be32 sctp_v_tag;
 193         /* filter control */
 194         u16 q_index;
 195         u8  flex_off;
 196         u8  pctype;
 197         u16 dest_vsi;
 198         u8  dest_ctl;
 199         u8  fd_status;
 200         u16 cnt_index;
 201         u32 fd_id;
 202 };
 203
 204 #define I40E_ETH_P_LLDP                 0x88cc
 205
 206 #define I40E_DCB_PRIO_TYPE_STRICT       0
 207 #define I40E_DCB_PRIO_TYPE_ETS          1
 208 #define I40E_DCB_STRICT_PRIO_CREDITS    127
 209 #define I40E_MAX_USER_PRIORITY  8
 210 /* DCB per TC information data structure */
 211 struct i40e_tc_info {
 212         u16     qoffset;        /* Queue offset from base queue */
 213         u16     qcount;         /* Total Queues */
 214         u8      netdev_tc;      /* Netdev TC index if netdev associated */
 215 };
 216
 217 /* TC configuration data structure */
 218 struct i40e_tc_configuration {
 219         u8      numtc;          /* Total number of enabled TCs */
 220         u8      enabled_tc;     /* TC map */
 221         struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
 222 };
 223
 224 /* struct that defines the Ethernet device */
 225 struct i40e_pf {
 226         struct pci_dev *pdev;
 227         struct i40e_hw hw;
 228         unsigned long state;
 229         unsigned long link_check_timeout;
 230         struct msix_entry *msix_entries;
 231         bool fc_autoneg_status;
 232
 233         u16 eeprom_version;
 234         u16 num_vmdq_vsis;         /* num vmdq vsis this pf has set up */
 235         u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
 236         u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
 237         u16 num_req_vfs;           /* num vfs requested for this vf */
 238         u16 num_vf_qps;            /* num queue pairs per vf */
 239 #ifdef I40E_FCOE
 240         u16 num_fcoe_qps;          /* num fcoe queues this pf has set up */
 241         u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
 242 #endif /* I40E_FCOE */
 243         u16 num_lan_qps;           /* num lan queues this pf has set up */
 244         u16 num_lan_msix;          /* num queue vectors for the base pf vsi */
 245         int queues_left;           /* queues left unclaimed */
 246         u16 rss_size;              /* num queues in the RSS array */
 247         u16 rss_size_max;          /* HW defined max RSS queues */
 248         u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
 249         u16 num_alloc_vsi;         /* num VSIs this driver supports */
 250         u8 atr_sample_rate;
 251         bool wol_en;
 252
 253         struct hlist_head fdir_filter_list;
 254         u16 fdir_pf_active_filters;
 255         u16 fd_sb_cnt_idx;
 256         u16 fd_atr_cnt_idx;
 257         unsigned long fd_flush_timestamp;
 258         u32 fd_flush_cnt;
 259         u32 fd_add_err;
 260         u32 fd_atr_cnt;
 261         u32 fd_tcp_rule;
 262
 263 #ifdef CONFIG_I40E_VXLAN
 264         __be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
 265         u16 pending_vxlan_bitmap;
 266
 267 #endif
 268         enum i40e_interrupt_policy int_policy;
 269         u16 rx_itr_default;
 270         u16 tx_itr_default;
 271         u16 msg_enable;
 272         char int_name[I40E_INT_NAME_STR_LEN];
 273         u16 adminq_work_limit; /* num of admin receive queue desc to process */
 274         unsigned long service_timer_period;
 275         unsigned long service_timer_previous;
 276         struct timer_list service_timer;
 277         struct work_struct service_task;
 278
 279         u64 flags;
 280 #define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
 281 #define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
 282 #define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
 283 #define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
 284 #define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
 285 #define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
 286 #define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
 287 #define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
 288 #define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
 289 #ifdef I40E_FCOE
 290 #define I40E_FLAG_FCOE_ENABLED                 (u64)(1 << 11)
 291 #endif /* I40E_FCOE */
 292 #define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
 293 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
 294 #define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
 295 #define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
 296 #define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
 297 #define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
 298 #define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
 299 #define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
 300 #define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
 301 #define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
 302 #define I40E_FLAG_PTP                          (u64)(1 << 25)
 303 #define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
 304 #ifdef CONFIG_I40E_VXLAN
 305 #define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
 306 #endif
 307 #define I40E_FLAG_PORT_ID_VALID                (u64)(1 << 28)
 308 #define I40E_FLAG_DCB_CAPABLE                  (u64)(1 << 29)
 309
 310         /* tracks features that get auto disabled by errors */
 311         u64 auto_disable_flags;
 312
 313 #ifdef I40E_FCOE
 314         struct i40e_fcoe fcoe;
 315
 316 #endif /* I40E_FCOE */
 317         bool stat_offsets_loaded;
 318         struct i40e_hw_port_stats stats;
 319         struct i40e_hw_port_stats stats_offsets;
 320         u32 tx_timeout_count;
 321         u32 tx_timeout_recovery_level;
 322         unsigned long tx_timeout_last_recovery;
 323         u32 tx_sluggish_count;
 324         u32 hw_csum_rx_error;
 325         u32 led_status;
 326         u16 corer_count; /* Core reset count */
 327         u16 globr_count; /* Global reset count */
 328         u16 empr_count; /* EMP reset count */
 329         u16 pfr_count; /* PF reset count */
 330         u16 sw_int_count; /* SW interrupt count */
 331
 332         struct mutex switch_mutex;
 333         u16 lan_vsi;       /* our default LAN VSI */
 334         u16 lan_veb;       /* initial relay, if exists */
 335 #define I40E_NO_VEB   0xffff
 336 #define I40E_NO_VSI   0xffff
 337         u16 next_vsi;      /* Next unallocated VSI - 0-based! */
 338         struct i40e_vsi **vsi;
 339         struct i40e_veb *veb[I40E_MAX_VEB];
 340
 341         struct i40e_lump_tracking *qp_pile;
 342         struct i40e_lump_tracking *irq_pile;
 343
 344         /* switch config info */
 345         u16 pf_seid;
 346         u16 main_vsi_seid;
 347         u16 mac_seid;
 348         struct kobject *switch_kobj;
 349 #ifdef CONFIG_DEBUG_FS
 350         struct dentry *i40e_dbg_pf;
 351 #endif /* CONFIG_DEBUG_FS */
 352
 353         u16 instance; /* A unique number per i40e_pf instance in the system */
 354
 355         /* sr-iov config info */
 356         struct i40e_vf *vf;
 357         int num_alloc_vfs;      /* actual number of VFs allocated */
 358         u32 vf_aq_requests;
 359
 360         /* DCBx/DCBNL capability for PF that indicates
 361          * whether DCBx is managed by firmware or host
 362          * based agent (LLDPAD). Also, indicates what
 363          * flavor of DCBx protocol (IEEE/CEE) is supported
 364          * by the device. For now we're supporting IEEE
 365          * mode only.
 366          */
 367         u16 dcbx_cap;
 368
 369         u32     fcoe_hmc_filt_num;
 370         u32     fcoe_hmc_cntx_num;
 371         struct i40e_filter_control_settings filter_settings;
 372
 373         struct ptp_clock *ptp_clock;
 374         struct ptp_clock_info ptp_caps;
 375         struct sk_buff *ptp_tx_skb;
 376         struct hwtstamp_config tstamp_config;
 377         unsigned long last_rx_ptp_check;
 378         spinlock_t tmreg_lock; /* Used to protect the device time registers. */
 379         u64 ptp_base_adj;
 380         u32 tx_hwtstamp_timeouts;
 381         u32 rx_hwtstamp_cleared;
 382         bool ptp_tx;
 383         bool ptp_rx;
 384         u16 rss_table_size;
 385 };
 386
 387 struct i40e_mac_filter {
 388         struct list_head list;
 389         u8 macaddr[ETH_ALEN];
 390 #define I40E_VLAN_ANY -1
 391         s16 vlan;
 392         u8 counter;             /* number of instances of this filter */
 393         bool is_vf;             /* filter belongs to a VF */
 394         bool is_netdev;         /* filter belongs to a netdev */
 395         bool changed;           /* filter needs to be sync'd to the HW */
 396         bool is_laa;            /* filter is a Locally Administered Address */
 397 };
 398
 399 struct i40e_veb {
 400         struct i40e_pf *pf;
 401         u16 idx;
 402         u16 veb_idx;           /* index of VEB parent */
 403         u16 seid;
 404         u16 uplink_seid;
 405         u16 stats_idx;           /* index of VEB parent */
 406         u8  enabled_tc;
 407         u16 flags;
 408         u16 bw_limit;
 409         u8  bw_max_quanta;
 410         bool is_abs_credits;
 411         u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
 412         u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 413         u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 414         struct kobject *kobj;
 415         bool stat_offsets_loaded;
 416         struct i40e_eth_stats stats;
 417         struct i40e_eth_stats stats_offsets;
 418 };
 419
 420 /* struct that defines a VSI, associated with a dev */
 421 struct i40e_vsi {
 422         struct net_device *netdev;
 423         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 424         bool netdev_registered;
 425         bool stat_offsets_loaded;
 426
 427         u32 current_netdev_flags;
 428         unsigned long state;
 429 #define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 430 #define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 431         unsigned long flags;
 432
 433         struct list_head mac_filter_list;
 434
 435         /* VSI stats */
 436         struct rtnl_link_stats64 net_stats;
 437         struct rtnl_link_stats64 net_stats_offsets;
 438         struct i40e_eth_stats eth_stats;
 439         struct i40e_eth_stats eth_stats_offsets;
 440 #ifdef I40E_FCOE
 441         struct i40e_fcoe_stats fcoe_stats;
 442         struct i40e_fcoe_stats fcoe_stats_offsets;
 443         bool fcoe_stat_offsets_loaded;
 444 #endif
 445         u32 tx_restart;
 446         u32 tx_busy;
 447         u32 rx_buf_failed;
 448         u32 rx_page_failed;
 449
 450         /* These are containers of ring pointers, allocated at run-time */
 451         struct i40e_ring **rx_rings;
 452         struct i40e_ring **tx_rings;
 453
 454         u16 work_limit;
 455         /* high bit set means dynamic, use accessor routines to read/write.
 456          * hardware only supports 2us resolution for the ITR registers.
 457          * these values always store the USER setting, and must be converted
 458          * before programming to a register.
 459          */
 460         u16 rx_itr_setting;
 461         u16 tx_itr_setting;
 462
 463         u16 max_frame;
 464         u16 rx_hdr_len;
 465         u16 rx_buf_len;
 466         u8  dtype;
 467
 468         /* List of q_vectors allocated to this VSI */
 469         struct i40e_q_vector **q_vectors;
 470         int num_q_vectors;
 471         int base_vector;
 472         bool irqs_ready;
 473
 474         u16 seid;            /* HW index of this VSI (absolute index) */
 475         u16 id;              /* VSI number */
 476         u16 uplink_seid;
 477
 478         u16 base_queue;      /* vsi's first queue in hw array */
 479         u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 480         u16 num_queue_pairs; /* Used tx and rx pairs */
 481         u16 num_desc;
 482         enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 483         u16 vf_id;              /* Virtual function ID for SRIOV VSIs */
 484
 485         struct i40e_tc_configuration tc_config;
 486         struct i40e_aqc_vsi_properties_data info;
 487
 488         /* VSI BW limit (absolute across all TCs) */
 489         u16 bw_limit;           /* VSI BW Limit (0 = disabled) */
 490         u8  bw_max_quanta;      /* Max Quanta when BW limit is enabled */
 491
 492         /* Relative TC credits across VSIs */
 493         u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 494         /* TC BW limit credits within VSI */
 495         u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 496         /* TC BW limit max quanta within VSI */
 497         u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 498
 499         struct i40e_pf *back;  /* Backreference to associated PF */
 500         u16 idx;               /* index in pf->vsi[] */
 501         u16 veb_idx;           /* index of VEB parent */
 502         struct kobject *kobj;  /* sysfs object */
 503
 504         /* VSI specific handlers */
 505         irqreturn_t (*irq_handler)(int irq, void *data);
 506 } ____cacheline_internodealigned_in_smp;
 507
 508 struct i40e_netdev_priv {
 509         struct i40e_vsi *vsi;
 510 };
 511
 512 /* struct that defines an interrupt vector */
 513 struct i40e_q_vector {
 514         struct i40e_vsi *vsi;
 515
 516         u16 v_idx;              /* index in the vsi->q_vector array. */
 517         u16 reg_idx;            /* register index of the interrupt */
 518
 519         struct napi_struct napi;
 520
 521         struct i40e_ring_container rx;
 522         struct i40e_ring_container tx;
 523
 524         u8 num_ringpairs;       /* total number of ring pairs in vector */
 525
 526         cpumask_t affinity_mask;
 527         struct rcu_head rcu;    /* to avoid race with update stats on free */
 528         char name[I40E_INT_NAME_STR_LEN];
 529 } ____cacheline_internodealigned_in_smp;
 530
 531 /* lan device */
 532 struct i40e_device {
 533         struct list_head list;
 534         struct i40e_pf *pf;
 535 };
 536
 537 /**
 538  * i40e_fw_version_str - format the FW and NVM version strings
 539  * @hw: ptr to the hardware info
 540  **/
 541 static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 542 {
 543         static char buf[32];
 544
 545         snprintf(buf, sizeof(buf),
 546                  "f%d.%d a%d.%d n%02x.%02x e%08x",
 547                  hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
 548                  hw->aq.api_maj_ver, hw->aq.api_min_ver,
 549                  (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 550                         I40E_NVM_VERSION_HI_SHIFT,
 551                  (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 552                         I40E_NVM_VERSION_LO_SHIFT,
 553                  hw->nvm.eetrack);
 554
 555         return buf;
 556 }
 557
 558 /**
 559  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
 560  * @netdev: the corresponding netdev
 561  *
 562  * Return the PF struct for the given netdev
 563  **/
 564 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 565 {
 566         struct i40e_netdev_priv *np = netdev_priv(netdev);
 567         struct i40e_vsi *vsi = np->vsi;
 568
 569         return vsi->back;
 570 }
 571
 572 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 573                                 irqreturn_t (*irq_handler)(int, void *))
 574 {
 575         vsi->irq_handler = irq_handler;
 576 }
 577
 578 /**
 579  * i40e_rx_is_programming_status - check for programming status descriptor
 580  * @qw: the first quad word of the program status descriptor
 581  *
 582  * The value of in the descriptor length field indicate if this
 583  * is a programming status descriptor for flow director or FCoE
 584  * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 585  * it is a packet descriptor.
 586  **/
 587 static inline bool i40e_rx_is_programming_status(u64 qw)
 588 {
 589         return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 590                 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 591 }
 592
 593 /**
 594  * i40e_get_fd_cnt_all - get the total FD filter space available
 595  * @pf: pointer to the pf struct
 596  **/
 597 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
 598 {
 599         return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
 600 }
 601
 602 /* needed by i40e_ethtool.c */
 603 int i40e_up(struct i40e_vsi *vsi);
 604 void i40e_down(struct i40e_vsi *vsi);
 605 extern const char i40e_driver_name[];
 606 extern const char i40e_driver_version_str[];
 607 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 608 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 609 void i40e_update_stats(struct i40e_vsi *vsi);
 610 void i40e_update_eth_stats(struct i40e_vsi *vsi);
 611 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 612 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 613                                     bool printconfig);
 614
 615 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 616                              struct i40e_pf *pf, bool add);
 617 int i40e_add_del_fdir(struct i40e_vsi *vsi,
 618                       struct i40e_fdir_filter *input, bool add);
 619 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
 620 int i40e_get_current_fd_count(struct i40e_pf *pf);
 621 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
 622 int i40e_get_current_atr_cnt(struct i40e_pf *pf);
 623 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
 624 void i40e_set_ethtool_ops(struct net_device *netdev);
 625 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 626                                         u8 *macaddr, s16 vlan,
 627                                         bool is_vf, bool is_netdev);
 628 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 629                      bool is_vf, bool is_netdev);
 630 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 631 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 632                                 u16 uplink, u32 param1);
 633 int i40e_vsi_release(struct i40e_vsi *vsi);
 634 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 635                                  struct i40e_vsi *start_vsi);
 636 #ifdef I40E_FCOE
 637 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 638                               struct i40e_vsi_context *ctxt,
 639                               u8 enabled_tc, bool is_add);
 640 #endif
 641 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 642 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 643 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 644                                 u16 downlink_seid, u8 enabled_tc);
 645 void i40e_veb_release(struct i40e_veb *veb);
 646
 647 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 648 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 649 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 650 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 651 void i40e_pf_reset_stats(struct i40e_pf *pf);
 652 #ifdef CONFIG_DEBUG_FS
 653 void i40e_dbg_pf_init(struct i40e_pf *pf);
 654 void i40e_dbg_pf_exit(struct i40e_pf *pf);
 655 void i40e_dbg_init(void);
 656 void i40e_dbg_exit(void);
 657 #else
 658 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 659 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 660 static inline void i40e_dbg_init(void) {}
 661 static inline void i40e_dbg_exit(void) {}
 662 #endif /* CONFIG_DEBUG_FS*/
 663 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 664 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
 665 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 666 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 667 #ifdef I40E_FCOE
 668 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 669                                              struct net_device *netdev,
 670                                              struct rtnl_link_stats64 *storage);
 671 int i40e_set_mac(struct net_device *netdev, void *p);
 672 void i40e_set_rx_mode(struct net_device *netdev);
 673 #endif
 674 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 675 #ifdef I40E_FCOE
 676 void i40e_tx_timeout(struct net_device *netdev);
 677 int i40e_vlan_rx_add_vid(struct net_device *netdev,
 678                          __always_unused __be16 proto, u16 vid);
 679 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 680                           __always_unused __be16 proto, u16 vid);
 681 #endif
 682 int i40e_vsi_open(struct i40e_vsi *vsi);
 683 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 684 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 685 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 686 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 687                                              bool is_vf, bool is_netdev);
 688 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 689 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 690                                       bool is_vf, bool is_netdev);
 691 #ifdef I40E_FCOE
 692 int i40e_open(struct net_device *netdev);
 693 int i40e_close(struct net_device *netdev);
 694 int i40e_setup_tc(struct net_device *netdev, u8 tc);
 695 void i40e_netpoll(struct net_device *netdev);
 696 int i40e_fcoe_enable(struct net_device *netdev);
 697 int i40e_fcoe_disable(struct net_device *netdev);
 698 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
 699 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
 700 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
 701 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
 702 int i40e_init_pf_fcoe(struct i40e_pf *pf);
 703 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
 704 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
 705 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
 706                              union i40e_rx_desc *rx_desc,
 707                              struct sk_buff *skb);
 708 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
 709                              union i40e_rx_desc *rx_desc, u8 prog_id);
 710 #endif /* I40E_FCOE */
 711 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 712 #ifdef CONFIG_I40E_DCB
 713 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 714                            struct i40e_dcbx_config *new_cfg);
 715 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 716 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 717 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 718                             struct i40e_dcbx_config *old_cfg,
 719                             struct i40e_dcbx_config *new_cfg);
 720 #endif /* CONFIG_I40E_DCB */
 721 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 722 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 723 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 724 void i40e_ptp_set_increment(struct i40e_pf *pf);
 725 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 726 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 727 void i40e_ptp_init(struct i40e_pf *pf);
 728 void i40e_ptp_stop(struct i40e_pf *pf);
 729 #endif /* _I40E_H_ */