1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Intel(R) Gigabit Ethernet Linux driver 3 * Copyright(c) 2007-2014 Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, see <http://www.gnu.org/licenses/>. 16 * 17 * The full GNU General Public License is included in this distribution in 18 * the file called "COPYING". 19 * 20 * Contact Information: 21 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 23 */ 24 25 /* Linux PRO/1000 Ethernet Driver main header file */ 26 27 #ifndef _IGB_H_ 28 #define _IGB_H_ 29 30 #include "e1000_mac.h" 31 #include "e1000_82575.h" 32 33 #include <linux/timecounter.h> 34 #include <linux/net_tstamp.h> 35 #include <linux/ptp_clock_kernel.h> 36 #include <linux/bitops.h> 37 #include <linux/if_vlan.h> 38 #include <linux/i2c.h> 39 #include <linux/i2c-algo-bit.h> 40 #include <linux/pci.h> 41 #include <linux/mdio.h> 42 43 struct igb_adapter; 44 45 #define E1000_PCS_CFG_IGN_SD 1 46 47 /* Interrupt defines */ 48 #define IGB_START_ITR 648 /* ~6000 ints/sec */ 49 #define IGB_4K_ITR 980 50 #define IGB_20K_ITR 196 51 #define IGB_70K_ITR 56 52 53 /* TX/RX descriptor defines */ 54 #define IGB_DEFAULT_TXD 256 55 #define IGB_DEFAULT_TX_WORK 128 56 #define IGB_MIN_TXD 80 57 #define IGB_MAX_TXD 4096 58 59 #define IGB_DEFAULT_RXD 256 60 #define IGB_MIN_RXD 80 61 #define IGB_MAX_RXD 4096 62 63 #define IGB_DEFAULT_ITR 3 /* dynamic */ 64 #define IGB_MAX_ITR_USECS 10000 65 #define IGB_MIN_ITR_USECS 10 66 #define NON_Q_VECTORS 1 67 #define MAX_Q_VECTORS 8 68 #define MAX_MSIX_ENTRIES 10 69 70 /* Transmit and receive queues */ 71 #define IGB_MAX_RX_QUEUES 8 72 #define IGB_MAX_RX_QUEUES_82575 4 73 #define IGB_MAX_RX_QUEUES_I211 2 74 #define IGB_MAX_TX_QUEUES 8 75 #define IGB_MAX_VF_MC_ENTRIES 30 76 #define IGB_MAX_VF_FUNCTIONS 8 77 #define IGB_MAX_VFTA_ENTRIES 128 78 #define IGB_82576_VF_DEV_ID 0x10CA 79 #define IGB_I350_VF_DEV_ID 0x1520 80 81 /* NVM version defines */ 82 #define IGB_MAJOR_MASK 0xF000 83 #define IGB_MINOR_MASK 0x0FF0 84 #define IGB_BUILD_MASK 0x000F 85 #define IGB_COMB_VER_MASK 0x00FF 86 #define IGB_MAJOR_SHIFT 12 87 #define IGB_MINOR_SHIFT 4 88 #define IGB_COMB_VER_SHFT 8 89 #define IGB_NVM_VER_INVALID 0xFFFF 90 #define IGB_ETRACK_SHIFT 16 91 #define NVM_ETRACK_WORD 0x0042 92 #define NVM_COMB_VER_OFF 0x0083 93 #define NVM_COMB_VER_PTR 0x003d 94 95 /* Transmit and receive latency (for PTP timestamps) */ 96 #define IGB_I210_TX_LATENCY_10 9542 97 #define IGB_I210_TX_LATENCY_100 1024 98 #define IGB_I210_TX_LATENCY_1000 178 99 #define IGB_I210_RX_LATENCY_10 20662 100 #define IGB_I210_RX_LATENCY_100 2213 101 #define IGB_I210_RX_LATENCY_1000 448 102 103 struct vf_data_storage { 104 unsigned char vf_mac_addresses[ETH_ALEN]; 105 u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES]; 106 u16 num_vf_mc_hashes; 107 u32 flags; 108 unsigned long last_nack; 109 u16 pf_vlan; /* When set, guest VLAN config not allowed. */ 110 u16 pf_qos; 111 u16 tx_rate; 112 bool spoofchk_enabled; 113 bool trusted; 114 }; 115 116 /* Number of unicast MAC filters reserved for the PF in the RAR registers */ 117 #define IGB_PF_MAC_FILTERS_RESERVED 3 118 119 struct vf_mac_filter { 120 struct list_head l; 121 int vf; 122 bool free; 123 u8 vf_mac[ETH_ALEN]; 124 }; 125 126 #define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */ 127 #define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */ 128 #define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */ 129 #define IGB_VF_FLAG_PF_SET_MAC 0x00000008 /* PF has set MAC address */ 130 131 /* RX descriptor control thresholds. 132 * PTHRESH - MAC will consider prefetch if it has fewer than this number of 133 * descriptors available in its onboard memory. 134 * Setting this to 0 disables RX descriptor prefetch. 135 * HTHRESH - MAC will only prefetch if there are at least this many descriptors 136 * available in host memory. 137 * If PTHRESH is 0, this should also be 0. 138 * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back 139 * descriptors until either it has this many to write back, or the 140 * ITR timer expires. 141 */ 142 #define IGB_RX_PTHRESH ((hw->mac.type == e1000_i354) ? 12 : 8) 143 #define IGB_RX_HTHRESH 8 144 #define IGB_TX_PTHRESH ((hw->mac.type == e1000_i354) ? 20 : 8) 145 #define IGB_TX_HTHRESH 1 146 #define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \ 147 (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4) 148 #define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \ 149 (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 16) 150 151 /* this is the size past which hardware will drop packets when setting LPE=0 */ 152 #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 153 154 /* Supported Rx Buffer Sizes */ 155 #define IGB_RXBUFFER_256 256 156 #define IGB_RXBUFFER_2048 2048 157 #define IGB_RXBUFFER_3072 3072 158 #define IGB_RX_HDR_LEN IGB_RXBUFFER_256 159 #define IGB_TS_HDR_LEN 16 160 161 #define IGB_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN) 162 #if (PAGE_SIZE < 8192) 163 #define IGB_MAX_FRAME_BUILD_SKB \ 164 (SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048) - IGB_SKB_PAD - IGB_TS_HDR_LEN) 165 #else 166 #define IGB_MAX_FRAME_BUILD_SKB (IGB_RXBUFFER_2048 - IGB_TS_HDR_LEN) 167 #endif 168 169 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 170 #define IGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 171 172 #define IGB_RX_DMA_ATTR \ 173 (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING) 174 175 #define AUTO_ALL_MODES 0 176 #define IGB_EEPROM_APME 0x0400 177 178 #ifndef IGB_MASTER_SLAVE 179 /* Switch to override PHY master/slave setting */ 180 #define IGB_MASTER_SLAVE e1000_ms_hw_default 181 #endif 182 183 #define IGB_MNG_VLAN_NONE -1 184 185 enum igb_tx_flags { 186 /* cmd_type flags */ 187 IGB_TX_FLAGS_VLAN = 0x01, 188 IGB_TX_FLAGS_TSO = 0x02, 189 IGB_TX_FLAGS_TSTAMP = 0x04, 190 191 /* olinfo flags */ 192 IGB_TX_FLAGS_IPV4 = 0x10, 193 IGB_TX_FLAGS_CSUM = 0x20, 194 }; 195 196 /* VLAN info */ 197 #define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 198 #define IGB_TX_FLAGS_VLAN_SHIFT 16 199 200 /* The largest size we can write to the descriptor is 65535. In order to 201 * maintain a power of two alignment we have to limit ourselves to 32K. 202 */ 203 #define IGB_MAX_TXD_PWR 15 204 #define IGB_MAX_DATA_PER_TXD (1u << IGB_MAX_TXD_PWR) 205 206 /* Tx Descriptors needed, worst case */ 207 #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD) 208 #define DESC_NEEDED (MAX_SKB_FRAGS + 4) 209 210 /* EEPROM byte offsets */ 211 #define IGB_SFF_8472_SWAP 0x5C 212 #define IGB_SFF_8472_COMP 0x5E 213 214 /* Bitmasks */ 215 #define IGB_SFF_ADDRESSING_MODE 0x4 216 #define IGB_SFF_8472_UNSUP 0x00 217 218 /* wrapper around a pointer to a socket buffer, 219 * so a DMA handle can be stored along with the buffer 220 */ 221 struct igb_tx_buffer { 222 union e1000_adv_tx_desc *next_to_watch; 223 unsigned long time_stamp; 224 struct sk_buff *skb; 225 unsigned int bytecount; 226 u16 gso_segs; 227 __be16 protocol; 228 229 DEFINE_DMA_UNMAP_ADDR(dma); 230 DEFINE_DMA_UNMAP_LEN(len); 231 u32 tx_flags; 232 }; 233 234 struct igb_rx_buffer { 235 dma_addr_t dma; 236 struct page *page; 237 #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536) 238 __u32 page_offset; 239 #else 240 __u16 page_offset; 241 #endif 242 __u16 pagecnt_bias; 243 }; 244 245 struct igb_tx_queue_stats { 246 u64 packets; 247 u64 bytes; 248 u64 restart_queue; 249 u64 restart_queue2; 250 }; 251 252 struct igb_rx_queue_stats { 253 u64 packets; 254 u64 bytes; 255 u64 drops; 256 u64 csum_err; 257 u64 alloc_failed; 258 }; 259 260 struct igb_ring_container { 261 struct igb_ring *ring; /* pointer to linked list of rings */ 262 unsigned int total_bytes; /* total bytes processed this int */ 263 unsigned int total_packets; /* total packets processed this int */ 264 u16 work_limit; /* total work allowed per interrupt */ 265 u8 count; /* total number of rings in vector */ 266 u8 itr; /* current ITR setting for ring */ 267 }; 268 269 struct igb_ring { 270 struct igb_q_vector *q_vector; /* backlink to q_vector */ 271 struct net_device *netdev; /* back pointer to net_device */ 272 struct device *dev; /* device pointer for dma mapping */ 273 union { /* array of buffer info structs */ 274 struct igb_tx_buffer *tx_buffer_info; 275 struct igb_rx_buffer *rx_buffer_info; 276 }; 277 void *desc; /* descriptor ring memory */ 278 unsigned long flags; /* ring specific flags */ 279 void __iomem *tail; /* pointer to ring tail register */ 280 dma_addr_t dma; /* phys address of the ring */ 281 unsigned int size; /* length of desc. ring in bytes */ 282 283 u16 count; /* number of desc. in the ring */ 284 u8 queue_index; /* logical index of the ring*/ 285 u8 reg_idx; /* physical index of the ring */ 286 bool cbs_enable; /* indicates if CBS is enabled */ 287 s32 idleslope; /* idleSlope in kbps */ 288 s32 sendslope; /* sendSlope in kbps */ 289 s32 hicredit; /* hiCredit in bytes */ 290 s32 locredit; /* loCredit in bytes */ 291 292 /* everything past this point are written often */ 293 u16 next_to_clean; 294 u16 next_to_use; 295 u16 next_to_alloc; 296 297 union { 298 /* TX */ 299 struct { 300 struct igb_tx_queue_stats tx_stats; 301 struct u64_stats_sync tx_syncp; 302 struct u64_stats_sync tx_syncp2; 303 }; 304 /* RX */ 305 struct { 306 struct sk_buff *skb; 307 struct igb_rx_queue_stats rx_stats; 308 struct u64_stats_sync rx_syncp; 309 }; 310 }; 311 } ____cacheline_internodealigned_in_smp; 312 313 struct igb_q_vector { 314 struct igb_adapter *adapter; /* backlink */ 315 int cpu; /* CPU for DCA */ 316 u32 eims_value; /* EIMS mask value */ 317 318 u16 itr_val; 319 u8 set_itr; 320 void __iomem *itr_register; 321 322 struct igb_ring_container rx, tx; 323 324 struct napi_struct napi; 325 struct rcu_head rcu; /* to avoid race with update stats on free */ 326 char name[IFNAMSIZ + 9]; 327 328 /* for dynamic allocation of rings associated with this q_vector */ 329 struct igb_ring ring[0] ____cacheline_internodealigned_in_smp; 330 }; 331 332 enum e1000_ring_flags_t { 333 IGB_RING_FLAG_RX_3K_BUFFER, 334 IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, 335 IGB_RING_FLAG_RX_SCTP_CSUM, 336 IGB_RING_FLAG_RX_LB_VLAN_BSWAP, 337 IGB_RING_FLAG_TX_CTX_IDX, 338 IGB_RING_FLAG_TX_DETECT_HANG 339 }; 340 341 #define ring_uses_large_buffer(ring) \ 342 test_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags) 343 #define set_ring_uses_large_buffer(ring) \ 344 set_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags) 345 #define clear_ring_uses_large_buffer(ring) \ 346 clear_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags) 347 348 #define ring_uses_build_skb(ring) \ 349 test_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags) 350 #define set_ring_build_skb_enabled(ring) \ 351 set_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags) 352 #define clear_ring_build_skb_enabled(ring) \ 353 clear_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags) 354 355 static inline unsigned int igb_rx_bufsz(struct igb_ring *ring) 356 { 357 #if (PAGE_SIZE < 8192) 358 if (ring_uses_large_buffer(ring)) 359 return IGB_RXBUFFER_3072; 360 361 if (ring_uses_build_skb(ring)) 362 return IGB_MAX_FRAME_BUILD_SKB + IGB_TS_HDR_LEN; 363 #endif 364 return IGB_RXBUFFER_2048; 365 } 366 367 static inline unsigned int igb_rx_pg_order(struct igb_ring *ring) 368 { 369 #if (PAGE_SIZE < 8192) 370 if (ring_uses_large_buffer(ring)) 371 return 1; 372 #endif 373 return 0; 374 } 375 376 #define igb_rx_pg_size(_ring) (PAGE_SIZE << igb_rx_pg_order(_ring)) 377 378 #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS) 379 380 #define IGB_RX_DESC(R, i) \ 381 (&(((union e1000_adv_rx_desc *)((R)->desc))[i])) 382 #define IGB_TX_DESC(R, i) \ 383 (&(((union e1000_adv_tx_desc *)((R)->desc))[i])) 384 #define IGB_TX_CTXTDESC(R, i) \ 385 (&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i])) 386 387 /* igb_test_staterr - tests bits within Rx descriptor status and error fields */ 388 static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc, 389 const u32 stat_err_bits) 390 { 391 return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits); 392 } 393 394 /* igb_desc_unused - calculate if we have unused descriptors */ 395 static inline int igb_desc_unused(struct igb_ring *ring) 396 { 397 if (ring->next_to_clean > ring->next_to_use) 398 return ring->next_to_clean - ring->next_to_use - 1; 399 400 return ring->count + ring->next_to_clean - ring->next_to_use - 1; 401 } 402 403 #ifdef CONFIG_IGB_HWMON 404 405 #define IGB_HWMON_TYPE_LOC 0 406 #define IGB_HWMON_TYPE_TEMP 1 407 #define IGB_HWMON_TYPE_CAUTION 2 408 #define IGB_HWMON_TYPE_MAX 3 409 410 struct hwmon_attr { 411 struct device_attribute dev_attr; 412 struct e1000_hw *hw; 413 struct e1000_thermal_diode_data *sensor; 414 char name[12]; 415 }; 416 417 struct hwmon_buff { 418 struct attribute_group group; 419 const struct attribute_group *groups[2]; 420 struct attribute *attrs[E1000_MAX_SENSORS * 4 + 1]; 421 struct hwmon_attr hwmon_list[E1000_MAX_SENSORS * 4]; 422 unsigned int n_hwmon; 423 }; 424 #endif 425 426 /* The number of L2 ether-type filter registers, Index 3 is reserved 427 * for PTP 1588 timestamp 428 */ 429 #define MAX_ETYPE_FILTER (4 - 1) 430 /* ETQF filter list: one static filter per filter consumer. This is 431 * to avoid filter collisions later. Add new filters here!! 432 * 433 * Current filters: Filter 3 434 */ 435 #define IGB_ETQF_FILTER_1588 3 436 437 #define IGB_N_EXTTS 2 438 #define IGB_N_PEROUT 2 439 #define IGB_N_SDP 4 440 #define IGB_RETA_SIZE 128 441 442 enum igb_filter_match_flags { 443 IGB_FILTER_FLAG_ETHER_TYPE = 0x1, 444 IGB_FILTER_FLAG_VLAN_TCI = 0x2, 445 }; 446 447 #define IGB_MAX_RXNFC_FILTERS 16 448 449 /* RX network flow classification data structure */ 450 struct igb_nfc_input { 451 /* Byte layout in order, all values with MSB first: 452 * match_flags - 1 byte 453 * etype - 2 bytes 454 * vlan_tci - 2 bytes 455 */ 456 u8 match_flags; 457 __be16 etype; 458 __be16 vlan_tci; 459 }; 460 461 struct igb_nfc_filter { 462 struct hlist_node nfc_node; 463 struct igb_nfc_input filter; 464 u16 etype_reg_index; 465 u16 sw_idx; 466 u16 action; 467 }; 468 469 struct igb_mac_addr { 470 u8 addr[ETH_ALEN]; 471 u8 queue; 472 u8 state; /* bitmask */ 473 }; 474 475 #define IGB_MAC_STATE_DEFAULT 0x1 476 #define IGB_MAC_STATE_IN_USE 0x2 477 #define IGB_MAC_STATE_SRC_ADDR 0x4 478 479 /* board specific private data structure */ 480 struct igb_adapter { 481 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 482 483 struct net_device *netdev; 484 485 unsigned long state; 486 unsigned int flags; 487 488 unsigned int num_q_vectors; 489 struct msix_entry msix_entries[MAX_MSIX_ENTRIES]; 490 491 /* Interrupt Throttle Rate */ 492 u32 rx_itr_setting; 493 u32 tx_itr_setting; 494 u16 tx_itr; 495 u16 rx_itr; 496 497 /* TX */ 498 u16 tx_work_limit; 499 u32 tx_timeout_count; 500 int num_tx_queues; 501 struct igb_ring *tx_ring[16]; 502 503 /* RX */ 504 int num_rx_queues; 505 struct igb_ring *rx_ring[16]; 506 507 u32 max_frame_size; 508 u32 min_frame_size; 509 510 struct timer_list watchdog_timer; 511 struct timer_list phy_info_timer; 512 513 u16 mng_vlan_id; 514 u32 bd_number; 515 u32 wol; 516 u32 en_mng_pt; 517 u16 link_speed; 518 u16 link_duplex; 519 520 u8 __iomem *io_addr; /* Mainly for iounmap use */ 521 522 struct work_struct reset_task; 523 struct work_struct watchdog_task; 524 bool fc_autoneg; 525 u8 tx_timeout_factor; 526 struct timer_list blink_timer; 527 unsigned long led_status; 528 529 /* OS defined structs */ 530 struct pci_dev *pdev; 531 532 spinlock_t stats64_lock; 533 struct rtnl_link_stats64 stats64; 534 535 /* structs defined in e1000_hw.h */ 536 struct e1000_hw hw; 537 struct e1000_hw_stats stats; 538 struct e1000_phy_info phy_info; 539 540 u32 test_icr; 541 struct igb_ring test_tx_ring; 542 struct igb_ring test_rx_ring; 543 544 int msg_enable; 545 546 struct igb_q_vector *q_vector[MAX_Q_VECTORS]; 547 u32 eims_enable_mask; 548 u32 eims_other; 549 550 /* to not mess up cache alignment, always add to the bottom */ 551 u16 tx_ring_count; 552 u16 rx_ring_count; 553 unsigned int vfs_allocated_count; 554 struct vf_data_storage *vf_data; 555 int vf_rate_link_speed; 556 u32 rss_queues; 557 u32 wvbr; 558 u32 *shadow_vfta; 559 560 struct ptp_clock *ptp_clock; 561 struct ptp_clock_info ptp_caps; 562 struct delayed_work ptp_overflow_work; 563 struct work_struct ptp_tx_work; 564 struct sk_buff *ptp_tx_skb; 565 struct hwtstamp_config tstamp_config; 566 unsigned long ptp_tx_start; 567 unsigned long last_rx_ptp_check; 568 unsigned long last_rx_timestamp; 569 unsigned int ptp_flags; 570 spinlock_t tmreg_lock; 571 struct cyclecounter cc; 572 struct timecounter tc; 573 u32 tx_hwtstamp_timeouts; 574 u32 tx_hwtstamp_skipped; 575 u32 rx_hwtstamp_cleared; 576 bool pps_sys_wrap_on; 577 578 struct ptp_pin_desc sdp_config[IGB_N_SDP]; 579 struct { 580 struct timespec64 start; 581 struct timespec64 period; 582 } perout[IGB_N_PEROUT]; 583 584 char fw_version[32]; 585 #ifdef CONFIG_IGB_HWMON 586 struct hwmon_buff *igb_hwmon_buff; 587 bool ets; 588 #endif 589 struct i2c_algo_bit_data i2c_algo; 590 struct i2c_adapter i2c_adap; 591 struct i2c_client *i2c_client; 592 u32 rss_indir_tbl_init; 593 u8 rss_indir_tbl[IGB_RETA_SIZE]; 594 595 unsigned long link_check_timeout; 596 int copper_tries; 597 struct e1000_info ei; 598 u16 eee_advert; 599 600 /* RX network flow classification support */ 601 struct hlist_head nfc_filter_list; 602 unsigned int nfc_filter_count; 603 /* lock for RX network flow classification filter */ 604 spinlock_t nfc_lock; 605 bool etype_bitmap[MAX_ETYPE_FILTER]; 606 607 struct igb_mac_addr *mac_table; 608 struct vf_mac_filter vf_macs; 609 struct vf_mac_filter *vf_mac_list; 610 }; 611 612 /* flags controlling PTP/1588 function */ 613 #define IGB_PTP_ENABLED BIT(0) 614 #define IGB_PTP_OVERFLOW_CHECK BIT(1) 615 616 #define IGB_FLAG_HAS_MSI BIT(0) 617 #define IGB_FLAG_DCA_ENABLED BIT(1) 618 #define IGB_FLAG_QUAD_PORT_A BIT(2) 619 #define IGB_FLAG_QUEUE_PAIRS BIT(3) 620 #define IGB_FLAG_DMAC BIT(4) 621 #define IGB_FLAG_RSS_FIELD_IPV4_UDP BIT(6) 622 #define IGB_FLAG_RSS_FIELD_IPV6_UDP BIT(7) 623 #define IGB_FLAG_WOL_SUPPORTED BIT(8) 624 #define IGB_FLAG_NEED_LINK_UPDATE BIT(9) 625 #define IGB_FLAG_MEDIA_RESET BIT(10) 626 #define IGB_FLAG_MAS_CAPABLE BIT(11) 627 #define IGB_FLAG_MAS_ENABLE BIT(12) 628 #define IGB_FLAG_HAS_MSIX BIT(13) 629 #define IGB_FLAG_EEE BIT(14) 630 #define IGB_FLAG_VLAN_PROMISC BIT(15) 631 #define IGB_FLAG_RX_LEGACY BIT(16) 632 #define IGB_FLAG_FQTSS BIT(17) 633 634 /* Media Auto Sense */ 635 #define IGB_MAS_ENABLE_0 0X0001 636 #define IGB_MAS_ENABLE_1 0X0002 637 #define IGB_MAS_ENABLE_2 0X0004 638 #define IGB_MAS_ENABLE_3 0X0008 639 640 /* DMA Coalescing defines */ 641 #define IGB_MIN_TXPBSIZE 20408 642 #define IGB_TX_BUF_4096 4096 643 #define IGB_DMCTLX_DCFLUSH_DIS 0x80000000 /* Disable DMA Coal Flush */ 644 645 #define IGB_82576_TSYNC_SHIFT 19 646 enum e1000_state_t { 647 __IGB_TESTING, 648 __IGB_RESETTING, 649 __IGB_DOWN, 650 __IGB_PTP_TX_IN_PROGRESS, 651 }; 652 653 enum igb_boards { 654 board_82575, 655 }; 656 657 extern char igb_driver_name[]; 658 extern char igb_driver_version[]; 659 660 int igb_open(struct net_device *netdev); 661 int igb_close(struct net_device *netdev); 662 int igb_up(struct igb_adapter *); 663 void igb_down(struct igb_adapter *); 664 void igb_reinit_locked(struct igb_adapter *); 665 void igb_reset(struct igb_adapter *); 666 int igb_reinit_queues(struct igb_adapter *); 667 void igb_write_rss_indir_tbl(struct igb_adapter *); 668 int igb_set_spd_dplx(struct igb_adapter *, u32, u8); 669 int igb_setup_tx_resources(struct igb_ring *); 670 int igb_setup_rx_resources(struct igb_ring *); 671 void igb_free_tx_resources(struct igb_ring *); 672 void igb_free_rx_resources(struct igb_ring *); 673 void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *); 674 void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *); 675 void igb_setup_tctl(struct igb_adapter *); 676 void igb_setup_rctl(struct igb_adapter *); 677 netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *); 678 void igb_alloc_rx_buffers(struct igb_ring *, u16); 679 void igb_update_stats(struct igb_adapter *); 680 bool igb_has_link(struct igb_adapter *adapter); 681 void igb_set_ethtool_ops(struct net_device *); 682 void igb_power_up_link(struct igb_adapter *); 683 void igb_set_fw_version(struct igb_adapter *); 684 void igb_ptp_init(struct igb_adapter *adapter); 685 void igb_ptp_stop(struct igb_adapter *adapter); 686 void igb_ptp_reset(struct igb_adapter *adapter); 687 void igb_ptp_suspend(struct igb_adapter *adapter); 688 void igb_ptp_rx_hang(struct igb_adapter *adapter); 689 void igb_ptp_tx_hang(struct igb_adapter *adapter); 690 void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb); 691 void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va, 692 struct sk_buff *skb); 693 int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); 694 int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); 695 void igb_set_flag_queue_pairs(struct igb_adapter *, const u32); 696 unsigned int igb_get_max_rss_queues(struct igb_adapter *); 697 #ifdef CONFIG_IGB_HWMON 698 void igb_sysfs_exit(struct igb_adapter *adapter); 699 int igb_sysfs_init(struct igb_adapter *adapter); 700 #endif 701 static inline s32 igb_reset_phy(struct e1000_hw *hw) 702 { 703 if (hw->phy.ops.reset) 704 return hw->phy.ops.reset(hw); 705 706 return 0; 707 } 708 709 static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 710 { 711 if (hw->phy.ops.read_reg) 712 return hw->phy.ops.read_reg(hw, offset, data); 713 714 return 0; 715 } 716 717 static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 718 { 719 if (hw->phy.ops.write_reg) 720 return hw->phy.ops.write_reg(hw, offset, data); 721 722 return 0; 723 } 724 725 static inline s32 igb_get_phy_info(struct e1000_hw *hw) 726 { 727 if (hw->phy.ops.get_phy_info) 728 return hw->phy.ops.get_phy_info(hw); 729 730 return 0; 731 } 732 733 static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring) 734 { 735 return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index); 736 } 737 738 int igb_add_filter(struct igb_adapter *adapter, 739 struct igb_nfc_filter *input); 740 int igb_erase_filter(struct igb_adapter *adapter, 741 struct igb_nfc_filter *input); 742 743 #endif /* _IGB_H_ */ 744