drivers/net/ethernet/intel/igb/igb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
   3
   4 /* Linux PRO/1000 Ethernet Driver main header file */
   5
   6 #ifndef _IGB_H_
   7 #define _IGB_H_
   8
   9 #include "e1000_mac.h"
  10 #include "e1000_82575.h"
  11
  12 #include <linux/timecounter.h>
  13 #include <linux/net_tstamp.h>
  14 #include <linux/ptp_clock_kernel.h>
  15 #include <linux/bitops.h>
  16 #include <linux/if_vlan.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c-algo-bit.h>
  19 #include <linux/pci.h>
  20 #include <linux/mdio.h>
  21
  22 struct igb_adapter;
  23
  24 #define E1000_PCS_CFG_IGN_SD    1
  25
  26 /* Interrupt defines */
  27 #define IGB_START_ITR           648 /* ~6000 ints/sec */
  28 #define IGB_4K_ITR              980
  29 #define IGB_20K_ITR             196
  30 #define IGB_70K_ITR             56
  31
  32 /* TX/RX descriptor defines */
  33 #define IGB_DEFAULT_TXD         256
  34 #define IGB_DEFAULT_TX_WORK     128
  35 #define IGB_MIN_TXD             80
  36 #define IGB_MAX_TXD             4096
  37
  38 #define IGB_DEFAULT_RXD         256
  39 #define IGB_MIN_RXD             80
  40 #define IGB_MAX_RXD             4096
  41
  42 #define IGB_DEFAULT_ITR         3 /* dynamic */
  43 #define IGB_MAX_ITR_USECS       10000
  44 #define IGB_MIN_ITR_USECS       10
  45 #define NON_Q_VECTORS           1
  46 #define MAX_Q_VECTORS           8
  47 #define MAX_MSIX_ENTRIES        10
  48
  49 /* Transmit and receive queues */
  50 #define IGB_MAX_RX_QUEUES       8
  51 #define IGB_MAX_RX_QUEUES_82575 4
  52 #define IGB_MAX_RX_QUEUES_I211  2
  53 #define IGB_MAX_TX_QUEUES       8
  54 #define IGB_MAX_VF_MC_ENTRIES   30
  55 #define IGB_MAX_VF_FUNCTIONS    8
  56 #define IGB_MAX_VFTA_ENTRIES    128
  57 #define IGB_82576_VF_DEV_ID     0x10CA
  58 #define IGB_I350_VF_DEV_ID      0x1520
  59
  60 /* NVM version defines */
  61 #define IGB_MAJOR_MASK          0xF000
  62 #define IGB_MINOR_MASK          0x0FF0
  63 #define IGB_BUILD_MASK          0x000F
  64 #define IGB_COMB_VER_MASK       0x00FF
  65 #define IGB_MAJOR_SHIFT         12
  66 #define IGB_MINOR_SHIFT         4
  67 #define IGB_COMB_VER_SHFT       8
  68 #define IGB_NVM_VER_INVALID     0xFFFF
  69 #define IGB_ETRACK_SHIFT        16
  70 #define NVM_ETRACK_WORD         0x0042
  71 #define NVM_COMB_VER_OFF        0x0083
  72 #define NVM_COMB_VER_PTR        0x003d
  73
  74 /* Transmit and receive latency (for PTP timestamps) */
  75 #define IGB_I210_TX_LATENCY_10          9542
  76 #define IGB_I210_TX_LATENCY_100         1024
  77 #define IGB_I210_TX_LATENCY_1000        178
  78 #define IGB_I210_RX_LATENCY_10          20662
  79 #define IGB_I210_RX_LATENCY_100         2213
  80 #define IGB_I210_RX_LATENCY_1000        448
  81
  82 struct vf_data_storage {
  83         unsigned char vf_mac_addresses[ETH_ALEN];
  84         u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
  85         u16 num_vf_mc_hashes;
  86         u32 flags;
  87         unsigned long last_nack;
  88         u16 pf_vlan; /* When set, guest VLAN config not allowed. */
  89         u16 pf_qos;
  90         u16 tx_rate;
  91         bool spoofchk_enabled;
  92         bool trusted;
  93 };
  94
  95 /* Number of unicast MAC filters reserved for the PF in the RAR registers */
  96 #define IGB_PF_MAC_FILTERS_RESERVED     3
  97
  98 struct vf_mac_filter {
  99         struct list_head l;
 100         int vf;
 101         bool free;
 102         u8 vf_mac[ETH_ALEN];
 103 };
 104
 105 #define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */
 106 #define IGB_VF_FLAG_UNI_PROMISC    0x00000002 /* VF has unicast promisc */
 107 #define IGB_VF_FLAG_MULTI_PROMISC  0x00000004 /* VF has multicast promisc */
 108 #define IGB_VF_FLAG_PF_SET_MAC     0x00000008 /* PF has set MAC address */
 109
 110 /* RX descriptor control thresholds.
 111  * PTHRESH - MAC will consider prefetch if it has fewer than this number of
 112  *           descriptors available in its onboard memory.
 113  *           Setting this to 0 disables RX descriptor prefetch.
 114  * HTHRESH - MAC will only prefetch if there are at least this many descriptors
 115  *           available in host memory.
 116  *           If PTHRESH is 0, this should also be 0.
 117  * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
 118  *           descriptors until either it has this many to write back, or the
 119  *           ITR timer expires.
 120  */
 121 #define IGB_RX_PTHRESH  ((hw->mac.type == e1000_i354) ? 12 : 8)
 122 #define IGB_RX_HTHRESH  8
 123 #define IGB_TX_PTHRESH  ((hw->mac.type == e1000_i354) ? 20 : 8)
 124 #define IGB_TX_HTHRESH  1
 125 #define IGB_RX_WTHRESH  ((hw->mac.type == e1000_82576 && \
 126                           (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4)
 127 #define IGB_TX_WTHRESH  ((hw->mac.type == e1000_82576 && \
 128                           (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 16)
 129
 130 /* this is the size past which hardware will drop packets when setting LPE=0 */
 131 #define MAXIMUM_ETHERNET_VLAN_SIZE 1522
 132
 133 /* Supported Rx Buffer Sizes */
 134 #define IGB_RXBUFFER_256        256
 135 #define IGB_RXBUFFER_2048       2048
 136 #define IGB_RXBUFFER_3072       3072
 137 #define IGB_RX_HDR_LEN          IGB_RXBUFFER_256
 138 #define IGB_TS_HDR_LEN          16
 139
 140 #define IGB_SKB_PAD             (NET_SKB_PAD + NET_IP_ALIGN)
 141 #if (PAGE_SIZE < 8192)
 142 #define IGB_MAX_FRAME_BUILD_SKB \
 143         (SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048) - IGB_SKB_PAD - IGB_TS_HDR_LEN)
 144 #else
 145 #define IGB_MAX_FRAME_BUILD_SKB (IGB_RXBUFFER_2048 - IGB_TS_HDR_LEN)
 146 #endif
 147
 148 /* How many Rx Buffers do we bundle into one write to the hardware ? */
 149 #define IGB_RX_BUFFER_WRITE     16 /* Must be power of 2 */
 150
 151 #define IGB_RX_DMA_ATTR \
 152         (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
 153
 154 #define AUTO_ALL_MODES          0
 155 #define IGB_EEPROM_APME         0x0400
 156
 157 #ifndef IGB_MASTER_SLAVE
 158 /* Switch to override PHY master/slave setting */
 159 #define IGB_MASTER_SLAVE        e1000_ms_hw_default
 160 #endif
 161
 162 #define IGB_MNG_VLAN_NONE       -1
 163
 164 enum igb_tx_flags {
 165         /* cmd_type flags */
 166         IGB_TX_FLAGS_VLAN       = 0x01,
 167         IGB_TX_FLAGS_TSO        = 0x02,
 168         IGB_TX_FLAGS_TSTAMP     = 0x04,
 169
 170         /* olinfo flags */
 171         IGB_TX_FLAGS_IPV4       = 0x10,
 172         IGB_TX_FLAGS_CSUM       = 0x20,
 173 };
 174
 175 /* VLAN info */
 176 #define IGB_TX_FLAGS_VLAN_MASK  0xffff0000
 177 #define IGB_TX_FLAGS_VLAN_SHIFT 16
 178
 179 /* The largest size we can write to the descriptor is 65535.  In order to
 180  * maintain a power of two alignment we have to limit ourselves to 32K.
 181  */
 182 #define IGB_MAX_TXD_PWR 15
 183 #define IGB_MAX_DATA_PER_TXD    (1u << IGB_MAX_TXD_PWR)
 184
 185 /* Tx Descriptors needed, worst case */
 186 #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD)
 187 #define DESC_NEEDED (MAX_SKB_FRAGS + 4)
 188
 189 /* EEPROM byte offsets */
 190 #define IGB_SFF_8472_SWAP               0x5C
 191 #define IGB_SFF_8472_COMP               0x5E
 192
 193 /* Bitmasks */
 194 #define IGB_SFF_ADDRESSING_MODE         0x4
 195 #define IGB_SFF_8472_UNSUP              0x00
 196
 197 /* wrapper around a pointer to a socket buffer,
 198  * so a DMA handle can be stored along with the buffer
 199  */
 200 struct igb_tx_buffer {
 201         union e1000_adv_tx_desc *next_to_watch;
 202         unsigned long time_stamp;
 203         struct sk_buff *skb;
 204         unsigned int bytecount;
 205         u16 gso_segs;
 206         __be16 protocol;
 207
 208         DEFINE_DMA_UNMAP_ADDR(dma);
 209         DEFINE_DMA_UNMAP_LEN(len);
 210         u32 tx_flags;
 211 };
 212
 213 struct igb_rx_buffer {
 214         dma_addr_t dma;
 215         struct page *page;
 216 #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536)
 217         __u32 page_offset;
 218 #else
 219         __u16 page_offset;
 220 #endif
 221         __u16 pagecnt_bias;
 222 };
 223
 224 struct igb_tx_queue_stats {
 225         u64 packets;
 226         u64 bytes;
 227         u64 restart_queue;
 228         u64 restart_queue2;
 229 };
 230
 231 struct igb_rx_queue_stats {
 232         u64 packets;
 233         u64 bytes;
 234         u64 drops;
 235         u64 csum_err;
 236         u64 alloc_failed;
 237 };
 238
 239 struct igb_ring_container {
 240         struct igb_ring *ring;          /* pointer to linked list of rings */
 241         unsigned int total_bytes;       /* total bytes processed this int */
 242         unsigned int total_packets;     /* total packets processed this int */
 243         u16 work_limit;                 /* total work allowed per interrupt */
 244         u8 count;                       /* total number of rings in vector */
 245         u8 itr;                         /* current ITR setting for ring */
 246 };
 247
 248 struct igb_ring {
 249         struct igb_q_vector *q_vector;  /* backlink to q_vector */
 250         struct net_device *netdev;      /* back pointer to net_device */
 251         struct device *dev;             /* device pointer for dma mapping */
 252         union {                         /* array of buffer info structs */
 253                 struct igb_tx_buffer *tx_buffer_info;
 254                 struct igb_rx_buffer *rx_buffer_info;
 255         };
 256         void *desc;                     /* descriptor ring memory */
 257         unsigned long flags;            /* ring specific flags */
 258         void __iomem *tail;             /* pointer to ring tail register */
 259         dma_addr_t dma;                 /* phys address of the ring */
 260         unsigned int  size;             /* length of desc. ring in bytes */
 261
 262         u16 count;                      /* number of desc. in the ring */
 263         u8 queue_index;                 /* logical index of the ring*/
 264         u8 reg_idx;                     /* physical index of the ring */
 265         bool launchtime_enable;         /* true if LaunchTime is enabled */
 266         bool cbs_enable;                /* indicates if CBS is enabled */
 267         s32 idleslope;                  /* idleSlope in kbps */
 268         s32 sendslope;                  /* sendSlope in kbps */
 269         s32 hicredit;                   /* hiCredit in bytes */
 270         s32 locredit;                   /* loCredit in bytes */
 271
 272         /* everything past this point are written often */
 273         u16 next_to_clean;
 274         u16 next_to_use;
 275         u16 next_to_alloc;
 276
 277         union {
 278                 /* TX */
 279                 struct {
 280                         struct igb_tx_queue_stats tx_stats;
 281                         struct u64_stats_sync tx_syncp;
 282                         struct u64_stats_sync tx_syncp2;
 283                 };
 284                 /* RX */
 285                 struct {
 286                         struct sk_buff *skb;
 287                         struct igb_rx_queue_stats rx_stats;
 288                         struct u64_stats_sync rx_syncp;
 289                 };
 290         };
 291 } ____cacheline_internodealigned_in_smp;
 292
 293 struct igb_q_vector {
 294         struct igb_adapter *adapter;    /* backlink */
 295         int cpu;                        /* CPU for DCA */
 296         u32 eims_value;                 /* EIMS mask value */
 297
 298         u16 itr_val;
 299         u8 set_itr;
 300         void __iomem *itr_register;
 301
 302         struct igb_ring_container rx, tx;
 303
 304         struct napi_struct napi;
 305         struct rcu_head rcu;    /* to avoid race with update stats on free */
 306         char name[IFNAMSIZ + 9];
 307
 308         /* for dynamic allocation of rings associated with this q_vector */
 309         struct igb_ring ring[] ____cacheline_internodealigned_in_smp;
 310 };
 311
 312 enum e1000_ring_flags_t {
 313         IGB_RING_FLAG_RX_3K_BUFFER,
 314         IGB_RING_FLAG_RX_BUILD_SKB_ENABLED,
 315         IGB_RING_FLAG_RX_SCTP_CSUM,
 316         IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
 317         IGB_RING_FLAG_TX_CTX_IDX,
 318         IGB_RING_FLAG_TX_DETECT_HANG
 319 };
 320
 321 #define ring_uses_large_buffer(ring) \
 322         test_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
 323 #define set_ring_uses_large_buffer(ring) \
 324         set_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
 325 #define clear_ring_uses_large_buffer(ring) \
 326         clear_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
 327
 328 #define ring_uses_build_skb(ring) \
 329         test_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
 330 #define set_ring_build_skb_enabled(ring) \
 331         set_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
 332 #define clear_ring_build_skb_enabled(ring) \
 333         clear_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
 334
 335 static inline unsigned int igb_rx_bufsz(struct igb_ring *ring)
 336 {
 337 #if (PAGE_SIZE < 8192)
 338         if (ring_uses_large_buffer(ring))
 339                 return IGB_RXBUFFER_3072;
 340
 341         if (ring_uses_build_skb(ring))
 342                 return IGB_MAX_FRAME_BUILD_SKB + IGB_TS_HDR_LEN;
 343 #endif
 344         return IGB_RXBUFFER_2048;
 345 }
 346
 347 static inline unsigned int igb_rx_pg_order(struct igb_ring *ring)
 348 {
 349 #if (PAGE_SIZE < 8192)
 350         if (ring_uses_large_buffer(ring))
 351                 return 1;
 352 #endif
 353         return 0;
 354 }
 355
 356 #define igb_rx_pg_size(_ring) (PAGE_SIZE << igb_rx_pg_order(_ring))
 357
 358 #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
 359
 360 #define IGB_RX_DESC(R, i)       \
 361         (&(((union e1000_adv_rx_desc *)((R)->desc))[i]))
 362 #define IGB_TX_DESC(R, i)       \
 363         (&(((union e1000_adv_tx_desc *)((R)->desc))[i]))
 364 #define IGB_TX_CTXTDESC(R, i)   \
 365         (&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
 366
 367 /* igb_test_staterr - tests bits within Rx descriptor status and error fields */
 368 static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
 369                                       const u32 stat_err_bits)
 370 {
 371         return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
 372 }
 373
 374 /* igb_desc_unused - calculate if we have unused descriptors */
 375 static inline int igb_desc_unused(struct igb_ring *ring)
 376 {
 377         if (ring->next_to_clean > ring->next_to_use)
 378                 return ring->next_to_clean - ring->next_to_use - 1;
 379
 380         return ring->count + ring->next_to_clean - ring->next_to_use - 1;
 381 }
 382
 383 #ifdef CONFIG_IGB_HWMON
 384
 385 #define IGB_HWMON_TYPE_LOC      0
 386 #define IGB_HWMON_TYPE_TEMP     1
 387 #define IGB_HWMON_TYPE_CAUTION  2
 388 #define IGB_HWMON_TYPE_MAX      3
 389
 390 struct hwmon_attr {
 391         struct device_attribute dev_attr;
 392         struct e1000_hw *hw;
 393         struct e1000_thermal_diode_data *sensor;
 394         char name[12];
 395         };
 396
 397 struct hwmon_buff {
 398         struct attribute_group group;
 399         const struct attribute_group *groups[2];
 400         struct attribute *attrs[E1000_MAX_SENSORS * 4 + 1];
 401         struct hwmon_attr hwmon_list[E1000_MAX_SENSORS * 4];
 402         unsigned int n_hwmon;
 403         };
 404 #endif
 405
 406 /* The number of L2 ether-type filter registers, Index 3 is reserved
 407  * for PTP 1588 timestamp
 408  */
 409 #define MAX_ETYPE_FILTER        (4 - 1)
 410 /* ETQF filter list: one static filter per filter consumer. This is
 411  * to avoid filter collisions later. Add new filters here!!
 412  *
 413  * Current filters:             Filter 3
 414  */
 415 #define IGB_ETQF_FILTER_1588    3
 416
 417 #define IGB_N_EXTTS     2
 418 #define IGB_N_PEROUT    2
 419 #define IGB_N_SDP       4
 420 #define IGB_RETA_SIZE   128
 421
 422 enum igb_filter_match_flags {
 423         IGB_FILTER_FLAG_ETHER_TYPE = 0x1,
 424         IGB_FILTER_FLAG_VLAN_TCI   = 0x2,
 425         IGB_FILTER_FLAG_SRC_MAC_ADDR   = 0x4,
 426         IGB_FILTER_FLAG_DST_MAC_ADDR   = 0x8,
 427 };
 428
 429 #define IGB_MAX_RXNFC_FILTERS 16
 430
 431 /* RX network flow classification data structure */
 432 struct igb_nfc_input {
 433         /* Byte layout in order, all values with MSB first:
 434          * match_flags - 1 byte
 435          * etype - 2 bytes
 436          * vlan_tci - 2 bytes
 437          */
 438         u8 match_flags;
 439         __be16 etype;
 440         __be16 vlan_tci;
 441         u8 src_addr[ETH_ALEN];
 442         u8 dst_addr[ETH_ALEN];
 443 };
 444
 445 struct igb_nfc_filter {
 446         struct hlist_node nfc_node;
 447         struct igb_nfc_input filter;
 448         unsigned long cookie;
 449         u16 etype_reg_index;
 450         u16 sw_idx;
 451         u16 action;
 452 };
 453
 454 struct igb_mac_addr {
 455         u8 addr[ETH_ALEN];
 456         u8 queue;
 457         u8 state; /* bitmask */
 458 };
 459
 460 #define IGB_MAC_STATE_DEFAULT   0x1
 461 #define IGB_MAC_STATE_IN_USE    0x2
 462 #define IGB_MAC_STATE_SRC_ADDR  0x4
 463 #define IGB_MAC_STATE_QUEUE_STEERING 0x8
 464
 465 /* board specific private data structure */
 466 struct igb_adapter {
 467         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 468
 469         struct net_device *netdev;
 470
 471         unsigned long state;
 472         unsigned int flags;
 473
 474         unsigned int num_q_vectors;
 475         struct msix_entry msix_entries[MAX_MSIX_ENTRIES];
 476
 477         /* Interrupt Throttle Rate */
 478         u32 rx_itr_setting;
 479         u32 tx_itr_setting;
 480         u16 tx_itr;
 481         u16 rx_itr;
 482
 483         /* TX */
 484         u16 tx_work_limit;
 485         u32 tx_timeout_count;
 486         int num_tx_queues;
 487         struct igb_ring *tx_ring[16];
 488
 489         /* RX */
 490         int num_rx_queues;
 491         struct igb_ring *rx_ring[16];
 492
 493         u32 max_frame_size;
 494         u32 min_frame_size;
 495
 496         struct timer_list watchdog_timer;
 497         struct timer_list phy_info_timer;
 498
 499         u16 mng_vlan_id;
 500         u32 bd_number;
 501         u32 wol;
 502         u32 en_mng_pt;
 503         u16 link_speed;
 504         u16 link_duplex;
 505
 506         u8 __iomem *io_addr; /* Mainly for iounmap use */
 507
 508         struct work_struct reset_task;
 509         struct work_struct watchdog_task;
 510         bool fc_autoneg;
 511         u8  tx_timeout_factor;
 512         struct timer_list blink_timer;
 513         unsigned long led_status;
 514
 515         /* OS defined structs */
 516         struct pci_dev *pdev;
 517
 518         spinlock_t stats64_lock;
 519         struct rtnl_link_stats64 stats64;
 520
 521         /* structs defined in e1000_hw.h */
 522         struct e1000_hw hw;
 523         struct e1000_hw_stats stats;
 524         struct e1000_phy_info phy_info;
 525
 526         u32 test_icr;
 527         struct igb_ring test_tx_ring;
 528         struct igb_ring test_rx_ring;
 529
 530         int msg_enable;
 531
 532         struct igb_q_vector *q_vector[MAX_Q_VECTORS];
 533         u32 eims_enable_mask;
 534         u32 eims_other;
 535
 536         /* to not mess up cache alignment, always add to the bottom */
 537         u16 tx_ring_count;
 538         u16 rx_ring_count;
 539         unsigned int vfs_allocated_count;
 540         struct vf_data_storage *vf_data;
 541         int vf_rate_link_speed;
 542         u32 rss_queues;
 543         u32 wvbr;
 544         u32 *shadow_vfta;
 545
 546         struct ptp_clock *ptp_clock;
 547         struct ptp_clock_info ptp_caps;
 548         struct delayed_work ptp_overflow_work;
 549         struct work_struct ptp_tx_work;
 550         struct sk_buff *ptp_tx_skb;
 551         struct hwtstamp_config tstamp_config;
 552         unsigned long ptp_tx_start;
 553         unsigned long last_rx_ptp_check;
 554         unsigned long last_rx_timestamp;
 555         unsigned int ptp_flags;
 556         spinlock_t tmreg_lock;
 557         struct cyclecounter cc;
 558         struct timecounter tc;
 559         u32 tx_hwtstamp_timeouts;
 560         u32 tx_hwtstamp_skipped;
 561         u32 rx_hwtstamp_cleared;
 562         bool pps_sys_wrap_on;
 563
 564         struct ptp_pin_desc sdp_config[IGB_N_SDP];
 565         struct {
 566                 struct timespec64 start;
 567                 struct timespec64 period;
 568         } perout[IGB_N_PEROUT];
 569
 570         char fw_version[32];
 571 #ifdef CONFIG_IGB_HWMON
 572         struct hwmon_buff *igb_hwmon_buff;
 573         bool ets;
 574 #endif
 575         struct i2c_algo_bit_data i2c_algo;
 576         struct i2c_adapter i2c_adap;
 577         struct i2c_client *i2c_client;
 578         u32 rss_indir_tbl_init;
 579         u8 rss_indir_tbl[IGB_RETA_SIZE];
 580
 581         unsigned long link_check_timeout;
 582         int copper_tries;
 583         struct e1000_info ei;
 584         u16 eee_advert;
 585
 586         /* RX network flow classification support */
 587         struct hlist_head nfc_filter_list;
 588         struct hlist_head cls_flower_list;
 589         unsigned int nfc_filter_count;
 590         /* lock for RX network flow classification filter */
 591         spinlock_t nfc_lock;
 592         bool etype_bitmap[MAX_ETYPE_FILTER];
 593
 594         struct igb_mac_addr *mac_table;
 595         struct vf_mac_filter vf_macs;
 596         struct vf_mac_filter *vf_mac_list;
 597 };
 598
 599 /* flags controlling PTP/1588 function */
 600 #define IGB_PTP_ENABLED         BIT(0)
 601 #define IGB_PTP_OVERFLOW_CHECK  BIT(1)
 602
 603 #define IGB_FLAG_HAS_MSI                BIT(0)
 604 #define IGB_FLAG_DCA_ENABLED            BIT(1)
 605 #define IGB_FLAG_QUAD_PORT_A            BIT(2)
 606 #define IGB_FLAG_QUEUE_PAIRS            BIT(3)
 607 #define IGB_FLAG_DMAC                   BIT(4)
 608 #define IGB_FLAG_RSS_FIELD_IPV4_UDP     BIT(6)
 609 #define IGB_FLAG_RSS_FIELD_IPV6_UDP     BIT(7)
 610 #define IGB_FLAG_WOL_SUPPORTED          BIT(8)
 611 #define IGB_FLAG_NEED_LINK_UPDATE       BIT(9)
 612 #define IGB_FLAG_MEDIA_RESET            BIT(10)
 613 #define IGB_FLAG_MAS_CAPABLE            BIT(11)
 614 #define IGB_FLAG_MAS_ENABLE             BIT(12)
 615 #define IGB_FLAG_HAS_MSIX               BIT(13)
 616 #define IGB_FLAG_EEE                    BIT(14)
 617 #define IGB_FLAG_VLAN_PROMISC           BIT(15)
 618 #define IGB_FLAG_RX_LEGACY              BIT(16)
 619 #define IGB_FLAG_FQTSS                  BIT(17)
 620
 621 /* Media Auto Sense */
 622 #define IGB_MAS_ENABLE_0                0X0001
 623 #define IGB_MAS_ENABLE_1                0X0002
 624 #define IGB_MAS_ENABLE_2                0X0004
 625 #define IGB_MAS_ENABLE_3                0X0008
 626
 627 /* DMA Coalescing defines */
 628 #define IGB_MIN_TXPBSIZE        20408
 629 #define IGB_TX_BUF_4096         4096
 630 #define IGB_DMCTLX_DCFLUSH_DIS  0x80000000  /* Disable DMA Coal Flush */
 631
 632 #define IGB_82576_TSYNC_SHIFT   19
 633 enum e1000_state_t {
 634         __IGB_TESTING,
 635         __IGB_RESETTING,
 636         __IGB_DOWN,
 637         __IGB_PTP_TX_IN_PROGRESS,
 638 };
 639
 640 enum igb_boards {
 641         board_82575,
 642 };
 643
 644 extern char igb_driver_name[];
 645 extern char igb_driver_version[];
 646
 647 int igb_open(struct net_device *netdev);
 648 int igb_close(struct net_device *netdev);
 649 int igb_up(struct igb_adapter *);
 650 void igb_down(struct igb_adapter *);
 651 void igb_reinit_locked(struct igb_adapter *);
 652 void igb_reset(struct igb_adapter *);
 653 int igb_reinit_queues(struct igb_adapter *);
 654 void igb_write_rss_indir_tbl(struct igb_adapter *);
 655 int igb_set_spd_dplx(struct igb_adapter *, u32, u8);
 656 int igb_setup_tx_resources(struct igb_ring *);
 657 int igb_setup_rx_resources(struct igb_ring *);
 658 void igb_free_tx_resources(struct igb_ring *);
 659 void igb_free_rx_resources(struct igb_ring *);
 660 void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
 661 void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
 662 void igb_setup_tctl(struct igb_adapter *);
 663 void igb_setup_rctl(struct igb_adapter *);
 664 void igb_setup_srrctl(struct igb_adapter *, struct igb_ring *);
 665 netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
 666 void igb_alloc_rx_buffers(struct igb_ring *, u16);
 667 void igb_update_stats(struct igb_adapter *);
 668 bool igb_has_link(struct igb_adapter *adapter);
 669 void igb_set_ethtool_ops(struct net_device *);
 670 void igb_power_up_link(struct igb_adapter *);
 671 void igb_set_fw_version(struct igb_adapter *);
 672 void igb_ptp_init(struct igb_adapter *adapter);
 673 void igb_ptp_stop(struct igb_adapter *adapter);
 674 void igb_ptp_reset(struct igb_adapter *adapter);
 675 void igb_ptp_suspend(struct igb_adapter *adapter);
 676 void igb_ptp_rx_hang(struct igb_adapter *adapter);
 677 void igb_ptp_tx_hang(struct igb_adapter *adapter);
 678 void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb);
 679 void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va,
 680                          struct sk_buff *skb);
 681 int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr);
 682 int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr);
 683 void igb_set_flag_queue_pairs(struct igb_adapter *, const u32);
 684 unsigned int igb_get_max_rss_queues(struct igb_adapter *);
 685 #ifdef CONFIG_IGB_HWMON
 686 void igb_sysfs_exit(struct igb_adapter *adapter);
 687 int igb_sysfs_init(struct igb_adapter *adapter);
 688 #endif
 689 static inline s32 igb_reset_phy(struct e1000_hw *hw)
 690 {
 691         if (hw->phy.ops.reset)
 692                 return hw->phy.ops.reset(hw);
 693
 694         return 0;
 695 }
 696
 697 static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
 698 {
 699         if (hw->phy.ops.read_reg)
 700                 return hw->phy.ops.read_reg(hw, offset, data);
 701
 702         return 0;
 703 }
 704
 705 static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
 706 {
 707         if (hw->phy.ops.write_reg)
 708                 return hw->phy.ops.write_reg(hw, offset, data);
 709
 710         return 0;
 711 }
 712
 713 static inline s32 igb_get_phy_info(struct e1000_hw *hw)
 714 {
 715         if (hw->phy.ops.get_phy_info)
 716                 return hw->phy.ops.get_phy_info(hw);
 717
 718         return 0;
 719 }
 720
 721 static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
 722 {
 723         return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
 724 }
 725
 726 int igb_add_filter(struct igb_adapter *adapter,
 727                    struct igb_nfc_filter *input);
 728 int igb_erase_filter(struct igb_adapter *adapter,
 729                      struct igb_nfc_filter *input);
 730
 731 int igb_add_mac_steering_filter(struct igb_adapter *adapter,
 732                                 const u8 *addr, u8 queue, u8 flags);
 733 int igb_del_mac_steering_filter(struct igb_adapter *adapter,
 734                                 const u8 *addr, u8 queue, u8 flags);
 735
 736 #endif /* _IGB_H_ */