1 /* 2 * Copyright (C) 2005 - 2016 Broadcom 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License version 2 7 * as published by the Free Software Foundation. The full GNU General 8 * Public License is included in this distribution in the file called COPYING. 9 * 10 * Contact Information: 11 * linux-drivers@emulex.com 12 * 13 * Emulex 14 * 3333 Susan Street 15 * Costa Mesa, CA 92626 16 */ 17 18 #ifndef BE_H 19 #define BE_H 20 21 #include <linux/pci.h> 22 #include <linux/etherdevice.h> 23 #include <linux/delay.h> 24 #include <net/tcp.h> 25 #include <net/ip.h> 26 #include <net/ipv6.h> 27 #include <linux/if_vlan.h> 28 #include <linux/workqueue.h> 29 #include <linux/interrupt.h> 30 #include <linux/firmware.h> 31 #include <linux/slab.h> 32 #include <linux/u64_stats_sync.h> 33 #include <linux/cpumask.h> 34 #include <linux/hwmon.h> 35 #include <linux/hwmon-sysfs.h> 36 37 #include "be_hw.h" 38 #include "be_roce.h" 39 40 #define DRV_VER "11.4.0.0" 41 #define DRV_NAME "be2net" 42 #define BE_NAME "Emulex BladeEngine2" 43 #define BE3_NAME "Emulex BladeEngine3" 44 #define OC_NAME "Emulex OneConnect" 45 #define OC_NAME_BE OC_NAME "(be3)" 46 #define OC_NAME_LANCER OC_NAME "(Lancer)" 47 #define OC_NAME_SH OC_NAME "(Skyhawk)" 48 #define DRV_DESC "Emulex OneConnect NIC Driver" 49 50 #define BE_VENDOR_ID 0x19a2 51 #define EMULEX_VENDOR_ID 0x10df 52 #define BE_DEVICE_ID1 0x211 53 #define BE_DEVICE_ID2 0x221 54 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ 55 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ 56 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ 57 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ 58 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ 59 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ 60 #define OC_SUBSYS_DEVICE_ID1 0xE602 61 #define OC_SUBSYS_DEVICE_ID2 0xE642 62 #define OC_SUBSYS_DEVICE_ID3 0xE612 63 #define OC_SUBSYS_DEVICE_ID4 0xE652 64 65 /* Number of bytes of an RX frame that are copied to skb->data */ 66 #define BE_HDR_LEN ((u16) 64) 67 /* allocate extra space to allow tunneling decapsulation without head reallocation */ 68 #define BE_RX_SKB_ALLOC_SIZE 256 69 70 #define BE_MAX_JUMBO_FRAME_SIZE 9018 71 #define BE_MIN_MTU 256 72 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ 73 (ETH_HLEN + ETH_FCS_LEN)) 74 75 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ 76 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) 77 78 #define BE_NUM_VLANS_SUPPORTED 64 79 #define BE_MAX_EQD 128u 80 #define BE_MAX_TX_FRAG_COUNT 30 81 82 #define EVNT_Q_LEN 1024 83 #define TX_Q_LEN 2048 84 #define TX_CQ_LEN 1024 85 #define RX_Q_LEN 1024 /* Does not support any other value */ 86 #define RX_CQ_LEN 1024 87 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ 88 #define MCC_CQ_LEN 256 89 90 #define BE2_MAX_RSS_QS 4 91 #define BE3_MAX_RSS_QS 16 92 #define BE3_MAX_TX_QS 16 93 #define BE3_MAX_EVT_QS 16 94 #define BE3_SRIOV_MAX_EVT_QS 8 95 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs 96 * and at least 1 is granted to either 97 * SURF/DPDK 98 */ 99 100 #define MAX_PORT_RSS_TABLES 15 101 #define MAX_NIC_FUNCS 16 102 #define MAX_RX_QS 32 103 #define MAX_EVT_QS 32 104 #define MAX_TX_QS 32 105 106 #define MAX_ROCE_EQS 5 107 #define MAX_MSIX_VECTORS 32 108 #define MIN_MSIX_VECTORS 1 109 #define BE_NAPI_WEIGHT 64 110 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ 111 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) 112 #define MAX_NUM_POST_ERX_DB 255u 113 114 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */ 115 #define FW_VER_LEN 32 116 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ 117 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ 118 119 #define RSS_INDIR_TABLE_LEN 128 120 #define RSS_HASH_KEY_LEN 40 121 122 #define BE_UNKNOWN_PHY_STATE 0xFF 123 124 struct be_dma_mem { 125 void *va; 126 dma_addr_t dma; 127 u32 size; 128 }; 129 130 struct be_queue_info { 131 u32 len; 132 u32 entry_size; /* Size of an element in the queue */ 133 u32 tail, head; 134 atomic_t used; /* Number of valid elements in the queue */ 135 u32 id; 136 struct be_dma_mem dma_mem; 137 bool created; 138 }; 139 140 static inline u32 MODULO(u32 val, u32 limit) 141 { 142 BUG_ON(limit & (limit - 1)); 143 return val & (limit - 1); 144 } 145 146 static inline void index_adv(u32 *index, u32 val, u32 limit) 147 { 148 *index = MODULO((*index + val), limit); 149 } 150 151 static inline void index_inc(u32 *index, u32 limit) 152 { 153 *index = MODULO((*index + 1), limit); 154 } 155 156 static inline void *queue_head_node(struct be_queue_info *q) 157 { 158 return q->dma_mem.va + q->head * q->entry_size; 159 } 160 161 static inline void *queue_tail_node(struct be_queue_info *q) 162 { 163 return q->dma_mem.va + q->tail * q->entry_size; 164 } 165 166 static inline void *queue_index_node(struct be_queue_info *q, u16 index) 167 { 168 return q->dma_mem.va + index * q->entry_size; 169 } 170 171 static inline void queue_head_inc(struct be_queue_info *q) 172 { 173 index_inc(&q->head, q->len); 174 } 175 176 static inline void index_dec(u32 *index, u32 limit) 177 { 178 *index = MODULO((*index - 1), limit); 179 } 180 181 static inline void queue_tail_inc(struct be_queue_info *q) 182 { 183 index_inc(&q->tail, q->len); 184 } 185 186 struct be_eq_obj { 187 struct be_queue_info q; 188 char desc[32]; 189 190 /* Adaptive interrupt coalescing (AIC) info */ 191 bool enable_aic; 192 u32 min_eqd; /* in usecs */ 193 u32 max_eqd; /* in usecs */ 194 u32 eqd; /* configured val when aic is off */ 195 u32 cur_eqd; /* in usecs */ 196 197 u8 idx; /* array index */ 198 u8 msix_idx; 199 u16 spurious_intr; 200 struct napi_struct napi; 201 struct be_adapter *adapter; 202 cpumask_var_t affinity_mask; 203 204 #ifdef CONFIG_NET_RX_BUSY_POLL 205 #define BE_EQ_IDLE 0 206 #define BE_EQ_NAPI 1 /* napi owns this EQ */ 207 #define BE_EQ_POLL 2 /* poll owns this EQ */ 208 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL) 209 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */ 210 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */ 211 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD) 212 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD) 213 unsigned int state; 214 spinlock_t lock; /* lock to serialize napi and busy-poll */ 215 #endif /* CONFIG_NET_RX_BUSY_POLL */ 216 } ____cacheline_aligned_in_smp; 217 218 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ 219 bool enable; 220 u32 min_eqd; /* in usecs */ 221 u32 max_eqd; /* in usecs */ 222 u32 prev_eqd; /* in usecs */ 223 u32 et_eqd; /* configured val when aic is off */ 224 ulong jiffies; 225 u64 rx_pkts_prev; /* Used to calculate RX pps */ 226 u64 tx_reqs_prev; /* Used to calculate TX pps */ 227 }; 228 229 struct be_mcc_obj { 230 struct be_queue_info q; 231 struct be_queue_info cq; 232 bool rearm_cq; 233 }; 234 235 struct be_tx_stats { 236 u64 tx_bytes; 237 u64 tx_pkts; 238 u64 tx_vxlan_offload_pkts; 239 u64 tx_reqs; 240 u64 tx_compl; 241 ulong tx_jiffies; 242 u32 tx_stops; 243 u32 tx_drv_drops; /* pkts dropped by driver */ 244 /* the error counters are described in be_ethtool.c */ 245 u32 tx_hdr_parse_err; 246 u32 tx_dma_err; 247 u32 tx_tso_err; 248 u32 tx_spoof_check_err; 249 u32 tx_qinq_err; 250 u32 tx_internal_parity_err; 251 struct u64_stats_sync sync; 252 struct u64_stats_sync sync_compl; 253 }; 254 255 /* Structure to hold some data of interest obtained from a TX CQE */ 256 struct be_tx_compl_info { 257 u8 status; /* Completion status */ 258 u16 end_index; /* Completed TXQ Index */ 259 }; 260 261 struct be_tx_obj { 262 u32 db_offset; 263 struct be_queue_info q; 264 struct be_queue_info cq; 265 struct be_tx_compl_info txcp; 266 /* Remember the skbs that were transmitted */ 267 struct sk_buff *sent_skb_list[TX_Q_LEN]; 268 struct be_tx_stats stats; 269 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ 270 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ 271 u16 last_req_hdr; /* index of the last req's hdr-wrb */ 272 } ____cacheline_aligned_in_smp; 273 274 /* Struct to remember the pages posted for rx frags */ 275 struct be_rx_page_info { 276 struct page *page; 277 /* set to page-addr for last frag of the page & frag-addr otherwise */ 278 DEFINE_DMA_UNMAP_ADDR(bus); 279 u16 page_offset; 280 bool last_frag; /* last frag of the page */ 281 }; 282 283 struct be_rx_stats { 284 u64 rx_bytes; 285 u64 rx_pkts; 286 u64 rx_vxlan_offload_pkts; 287 u32 rx_drops_no_skbs; /* skb allocation errors */ 288 u32 rx_drops_no_frags; /* HW has no fetched frags */ 289 u32 rx_post_fail; /* page post alloc failures */ 290 u32 rx_compl; 291 u32 rx_mcast_pkts; 292 u32 rx_compl_err; /* completions with err set */ 293 struct u64_stats_sync sync; 294 }; 295 296 struct be_rx_compl_info { 297 u32 rss_hash; 298 u16 vlan_tag; 299 u16 pkt_size; 300 u16 port; 301 u8 vlanf; 302 u8 num_rcvd; 303 u8 err; 304 u8 ipf; 305 u8 tcpf; 306 u8 udpf; 307 u8 ip_csum; 308 u8 l4_csum; 309 u8 ipv6; 310 u8 qnq; 311 u8 pkt_type; 312 u8 ip_frag; 313 u8 tunneled; 314 }; 315 316 struct be_rx_obj { 317 struct be_adapter *adapter; 318 struct be_queue_info q; 319 struct be_queue_info cq; 320 struct be_rx_compl_info rxcp; 321 struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 322 struct be_rx_stats stats; 323 u8 rss_id; 324 bool rx_post_starved; /* Zero rx frags have been posted to BE */ 325 } ____cacheline_aligned_in_smp; 326 327 struct be_drv_stats { 328 u32 eth_red_drops; 329 u32 dma_map_errors; 330 u32 rx_drops_no_pbuf; 331 u32 rx_drops_no_txpb; 332 u32 rx_drops_no_erx_descr; 333 u32 rx_drops_no_tpre_descr; 334 u32 rx_drops_too_many_frags; 335 u32 forwarded_packets; 336 u32 rx_drops_mtu; 337 u32 rx_crc_errors; 338 u32 rx_alignment_symbol_errors; 339 u32 rx_pause_frames; 340 u32 rx_priority_pause_frames; 341 u32 rx_control_frames; 342 u32 rx_in_range_errors; 343 u32 rx_out_range_errors; 344 u32 rx_frame_too_long; 345 u32 rx_address_filtered; 346 u32 rx_dropped_too_small; 347 u32 rx_dropped_too_short; 348 u32 rx_dropped_header_too_small; 349 u32 rx_dropped_tcp_length; 350 u32 rx_dropped_runt; 351 u32 rx_ip_checksum_errs; 352 u32 rx_tcp_checksum_errs; 353 u32 rx_udp_checksum_errs; 354 u32 tx_pauseframes; 355 u32 tx_priority_pauseframes; 356 u32 tx_controlframes; 357 u32 rxpp_fifo_overflow_drop; 358 u32 rx_input_fifo_overflow_drop; 359 u32 pmem_fifo_overflow_drop; 360 u32 jabber_events; 361 u32 rx_roce_bytes_lsd; 362 u32 rx_roce_bytes_msd; 363 u32 rx_roce_frames; 364 u32 roce_drops_payload_len; 365 u32 roce_drops_crc; 366 }; 367 368 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 369 #define BE_RESET_VLAN_TAG_ID 0xFFFF 370 371 struct be_vf_cfg { 372 unsigned char mac_addr[ETH_ALEN]; 373 int if_handle; 374 int pmac_id; 375 u16 vlan_tag; 376 u32 tx_rate; 377 u32 plink_tracking; 378 u32 privileges; 379 bool spoofchk; 380 }; 381 382 enum vf_state { 383 ENABLED = 0, 384 ASSIGNED = 1 385 }; 386 387 #define BE_FLAGS_LINK_STATUS_INIT BIT(1) 388 #define BE_FLAGS_SRIOV_ENABLED BIT(2) 389 #define BE_FLAGS_WORKER_SCHEDULED BIT(3) 390 #define BE_FLAGS_NAPI_ENABLED BIT(6) 391 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) 392 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8) 393 #define BE_FLAGS_SETUP_DONE BIT(9) 394 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10) 395 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) 396 #define BE_FLAGS_OS2BMC BIT(12) 397 #define BE_FLAGS_TRY_RECOVERY BIT(13) 398 399 #define BE_UC_PMAC_COUNT 30 400 #define BE_VF_UC_PMAC_COUNT 2 401 402 #define MAX_ERR_RECOVERY_RETRY_COUNT 3 403 #define ERR_DETECTION_DELAY 1000 404 405 /* Ethtool set_dump flags */ 406 #define LANCER_INITIATE_FW_DUMP 0x1 407 #define LANCER_DELETE_FW_DUMP 0x2 408 409 struct phy_info { 410 /* From SFF-8472 spec */ 411 #define SFP_VENDOR_NAME_LEN 17 412 u8 transceiver; 413 u8 autoneg; 414 u8 fc_autoneg; 415 u8 port_type; 416 u16 phy_type; 417 u16 interface_type; 418 u32 misc_params; 419 u16 auto_speeds_supported; 420 u16 fixed_speeds_supported; 421 int link_speed; 422 u32 advertising; 423 u32 supported; 424 u8 cable_type; 425 u8 vendor_name[SFP_VENDOR_NAME_LEN]; 426 u8 vendor_pn[SFP_VENDOR_NAME_LEN]; 427 }; 428 429 struct be_resources { 430 u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 431 u16 max_mcast_mac; 432 u16 max_tx_qs; 433 u16 max_rss_qs; 434 u16 max_rx_qs; 435 u16 max_cq_count; 436 u16 max_uc_mac; /* Max UC MACs programmable */ 437 u16 max_vlans; /* Number of vlans supported */ 438 u16 max_iface_count; 439 u16 max_mcc_count; 440 u16 max_evt_qs; 441 u16 max_nic_evt_qs; /* NIC's share of evt qs */ 442 u32 if_cap_flags; 443 u32 vf_if_cap_flags; /* VF if capability flags */ 444 u32 flags; 445 /* Calculated PF Pool's share of RSS Tables. This is not enforced by 446 * the FW, but is a self-imposed driver limitation. 447 */ 448 u16 max_rss_tables; 449 }; 450 451 /* These are port-wide values */ 452 struct be_port_resources { 453 u16 max_vfs; 454 u16 nic_pfs; 455 }; 456 457 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) 458 459 struct rss_info { 460 u64 rss_flags; 461 u8 rsstable[RSS_INDIR_TABLE_LEN]; 462 u8 rss_queue[RSS_INDIR_TABLE_LEN]; 463 u8 rss_hkey[RSS_HASH_KEY_LEN]; 464 }; 465 466 #define BE_INVALID_DIE_TEMP 0xFF 467 struct be_hwmon { 468 struct device *hwmon_dev; 469 u8 be_on_die_temp; /* Unit: millidegree Celsius */ 470 }; 471 472 /* Macros to read/write the 'features' word of be_wrb_params structure. 473 */ 474 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT 475 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) 476 477 #define BE_WRB_F_GET(word, name) \ 478 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) 479 480 #define BE_WRB_F_SET(word, name, val) \ 481 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) 482 483 /* Feature/offload bits */ 484 enum { 485 BE_WRB_F_CRC_BIT, /* Ethernet CRC */ 486 BE_WRB_F_IPCS_BIT, /* IP csum */ 487 BE_WRB_F_TCPCS_BIT, /* TCP csum */ 488 BE_WRB_F_UDPCS_BIT, /* UDP csum */ 489 BE_WRB_F_LSO_BIT, /* LSO */ 490 BE_WRB_F_LSO6_BIT, /* LSO6 */ 491 BE_WRB_F_VLAN_BIT, /* VLAN */ 492 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ 493 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ 494 }; 495 496 /* The structure below provides a HW-agnostic abstraction of WRB params 497 * retrieved from a TX skb. This is in turn passed to chip specific routines 498 * during transmit, to set the corresponding params in the WRB. 499 */ 500 struct be_wrb_params { 501 u32 features; /* Feature bits */ 502 u16 vlan_tag; /* VLAN tag */ 503 u16 lso_mss; /* MSS for LSO */ 504 }; 505 506 struct be_eth_addr { 507 unsigned char mac[ETH_ALEN]; 508 }; 509 510 #define BE_SEC 1000 /* in msec */ 511 #define BE_MIN (60 * BE_SEC) /* in msec */ 512 #define BE_HOUR (60 * BE_MIN) /* in msec */ 513 514 #define ERR_RECOVERY_MAX_RETRY_COUNT 3 515 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC 516 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) 517 518 /* UE-detection-duration in BEx/Skyhawk: 519 * All PFs must wait for this duration after they detect UE before reading 520 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware 521 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate 522 * if the UE is recoverable. 523 */ 524 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC 525 526 /* Initial idle time (in msec) to elapse after driver load, 527 * before UE recovery is allowed. 528 */ 529 #define ERR_IDLE_HR 24 530 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) 531 532 /* Time interval (in msec) after which UE recovery can be repeated */ 533 #define ERR_INTERVAL_HR 72 534 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) 535 536 /* BEx/SH UE recovery state machine */ 537 enum { 538 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ 539 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ 540 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ 541 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ 542 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ 543 }; 544 545 struct be_error_recovery { 546 /* Lancer error recovery variables */ 547 u8 recovery_retries; 548 549 /* BEx/Skyhawk error recovery variables */ 550 u8 recovery_state; 551 u16 ue_to_reset_time; /* Time after UE, to soft reset 552 * the chip - PF0 only 553 */ 554 u16 ue_to_poll_time; /* Time after UE, to Restart Polling 555 * of SLIPORT_SEMAPHORE reg 556 */ 557 u16 last_err_code; 558 bool recovery_supported; 559 unsigned long probe_time; 560 unsigned long last_recovery_time; 561 562 /* Common to both Lancer & BEx/SH error recovery */ 563 u32 resched_delay; 564 struct delayed_work err_detection_work; 565 }; 566 567 /* Ethtool priv_flags */ 568 #define BE_DISABLE_TPE_RECOVERY 0x1 569 570 struct be_vxlan_port { 571 struct list_head list; 572 __be16 port; /* VxLAN UDP dst port */ 573 int port_aliases; /* alias count */ 574 }; 575 576 struct be_adapter { 577 struct pci_dev *pdev; 578 struct net_device *netdev; 579 580 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 581 u8 __iomem *db; /* Door Bell */ 582 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ 583 584 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 585 struct be_dma_mem mbox_mem; 586 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 587 * is stored for freeing purpose */ 588 struct be_dma_mem mbox_mem_alloced; 589 590 struct be_mcc_obj mcc_obj; 591 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ 592 spinlock_t mcc_cq_lock; 593 594 u16 cfg_num_rx_irqs; /* configured via set-channels */ 595 u16 cfg_num_tx_irqs; /* configured via set-channels */ 596 u16 num_evt_qs; 597 u16 num_msix_vec; 598 struct be_eq_obj eq_obj[MAX_EVT_QS]; 599 struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 600 bool isr_registered; 601 602 /* TX Rings */ 603 u16 num_tx_qs; 604 struct be_tx_obj tx_obj[MAX_TX_QS]; 605 606 /* Rx rings */ 607 u16 num_rx_qs; 608 u16 num_rss_qs; 609 u16 need_def_rxq; 610 struct be_rx_obj rx_obj[MAX_RX_QS]; 611 u32 big_page_size; /* Compounded page size shared by rx wrbs */ 612 613 struct be_drv_stats drv_stats; 614 struct be_aic_obj aic_obj[MAX_EVT_QS]; 615 u8 vlan_prio_bmap; /* Available Priority BitMap */ 616 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ 617 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 618 619 struct be_dma_mem stats_cmd; 620 /* Work queue used to perform periodic tasks like getting statistics */ 621 struct delayed_work work; 622 u16 work_counter; 623 624 u8 recovery_retries; 625 u8 err_flags; 626 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ 627 u32 flags; 628 u32 cmd_privileges; 629 /* Ethtool knobs and info */ 630 char fw_ver[FW_VER_LEN]; 631 char fw_on_flash[FW_VER_LEN]; 632 633 /* IFACE filtering fields */ 634 int if_handle; /* Used to configure filtering */ 635 u32 if_flags; /* Interface filtering flags */ 636 u32 *pmac_id; /* MAC addr handle used by BE card */ 637 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ 638 u32 uc_macs; /* Count of secondary UC MAC programmed */ 639 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ 640 u32 mc_count; 641 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 642 u16 vlans_added; 643 bool update_uc_list; 644 bool update_mc_list; 645 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ 646 647 u32 beacon_state; /* for set_phys_id */ 648 649 u32 port_num; 650 char port_name; 651 u8 mc_type; 652 u32 function_mode; 653 u32 function_caps; 654 u32 rx_fc; /* Rx flow control */ 655 u32 tx_fc; /* Tx flow control */ 656 bool stats_cmd_sent; 657 struct { 658 u32 size; 659 u32 total_size; 660 u64 io_addr; 661 } roce_db; 662 u32 num_msix_roce_vec; 663 struct ocrdma_dev *ocrdma_dev; 664 struct list_head entry; 665 666 u32 flash_status; 667 struct completion et_cmd_compl; 668 669 struct be_resources pool_res; /* resources available for the port */ 670 struct be_resources res; /* resources available for the func */ 671 u16 num_vfs; /* Number of VFs provisioned by PF */ 672 u8 pf_num; /* Numbering used by FW, starts at 0 */ 673 u8 vf_num; /* Numbering used by FW, starts at 1 */ 674 u8 virtfn; 675 struct be_vf_cfg *vf_cfg; 676 bool be3_native; 677 u32 sli_family; 678 u8 hba_port_num; 679 u16 pvid; 680 __be16 vxlan_port; /* offloaded vxlan port num */ 681 int vxlan_port_count; /* active vxlan port count */ 682 struct list_head vxlan_port_list; /* vxlan port list */ 683 struct phy_info phy; 684 u8 wol_cap; 685 bool wol_en; 686 u16 asic_rev; 687 u16 qnq_vid; 688 u32 msg_enable; 689 int be_get_temp_freq; 690 struct be_hwmon hwmon_info; 691 struct rss_info rss_info; 692 /* Filters for packets that need to be sent to BMC */ 693 u32 bmc_filt_mask; 694 u32 fat_dump_len; 695 u16 serial_num[CNTL_SERIAL_NUM_WORDS]; 696 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ 697 u8 dev_mac[ETH_ALEN]; 698 u32 priv_flags; /* ethtool get/set_priv_flags() */ 699 struct be_error_recovery error_recovery; 700 }; 701 702 /* Used for defered FW config cmds. Add fields to this struct as reqd */ 703 struct be_cmd_work { 704 struct work_struct work; 705 struct be_adapter *adapter; 706 union { 707 __be16 vxlan_port; 708 } info; 709 }; 710 711 #define be_physfn(adapter) (!adapter->virtfn) 712 #define be_virtfn(adapter) (adapter->virtfn) 713 #define sriov_enabled(adapter) (adapter->flags & \ 714 BE_FLAGS_SRIOV_ENABLED) 715 716 #define for_all_vfs(adapter, vf_cfg, i) \ 717 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 718 i++, vf_cfg++) 719 720 #define ON 1 721 #define OFF 0 722 723 #define be_max_vlans(adapter) (adapter->res.max_vlans) 724 #define be_max_uc(adapter) (adapter->res.max_uc_mac) 725 #define be_max_mc(adapter) (adapter->res.max_mcast_mac) 726 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 727 #define be_max_rss(adapter) (adapter->res.max_rss_qs) 728 #define be_max_txqs(adapter) (adapter->res.max_tx_qs) 729 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 730 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 731 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ 732 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) 733 /* Max number of EQs available avaialble only for NIC */ 734 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) 735 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 736 #define be_max_pf_pool_rss_tables(adapter) \ 737 (adapter->pool_res.max_rss_tables) 738 /* Max irqs avaialble for NIC */ 739 #define be_max_irqs(adapter) \ 740 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) 741 742 /* Max irqs *needed* for RX queues */ 743 static inline u16 be_max_rx_irqs(struct be_adapter *adapter) 744 { 745 /* If no RSS, need atleast one irq for def-RXQ */ 746 u16 num = max_t(u16, be_max_rss(adapter), 1); 747 748 return min_t(u16, num, be_max_irqs(adapter)); 749 } 750 751 /* Max irqs *needed* for TX queues */ 752 static inline u16 be_max_tx_irqs(struct be_adapter *adapter) 753 { 754 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); 755 } 756 757 /* Max irqs *needed* for combined queues */ 758 static inline u16 be_max_qp_irqs(struct be_adapter *adapter) 759 { 760 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 761 } 762 763 /* Max irqs *needed* for RX and TX queues together */ 764 static inline u16 be_max_any_irqs(struct be_adapter *adapter) 765 { 766 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 767 } 768 769 /* Is BE in pvid_tagging mode */ 770 #define be_pvid_tagging_enabled(adapter) (adapter->pvid) 771 772 /* Is BE in QNQ multi-channel mode */ 773 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 774 775 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 776 adapter->pdev->device == OC_DEVICE_ID4) 777 778 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 779 adapter->pdev->device == OC_DEVICE_ID6) 780 781 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 782 adapter->pdev->device == OC_DEVICE_ID2) 783 784 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 785 adapter->pdev->device == OC_DEVICE_ID1) 786 787 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 788 789 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 790 (adapter->function_mode & RDMA_ENABLED)) 791 792 extern const struct ethtool_ops be_ethtool_ops; 793 794 #define msix_enabled(adapter) (adapter->num_msix_vec > 0) 795 #define num_irqs(adapter) (msix_enabled(adapter) ? \ 796 adapter->num_msix_vec : 1) 797 #define tx_stats(txo) (&(txo)->stats) 798 #define rx_stats(rxo) (&(rxo)->stats) 799 800 /* The default RXQ is the last RXQ */ 801 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 802 803 #define for_all_rx_queues(adapter, rxo, i) \ 804 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 805 i++, rxo++) 806 807 #define for_all_rss_queues(adapter, rxo, i) \ 808 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ 809 i++, rxo++) 810 811 #define for_all_tx_queues(adapter, txo, i) \ 812 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 813 i++, txo++) 814 815 #define for_all_evt_queues(adapter, eqo, i) \ 816 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 817 i++, eqo++) 818 819 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 820 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 821 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 822 823 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ 824 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ 825 i += adapter->num_evt_qs, txo += adapter->num_evt_qs) 826 827 #define is_mcc_eqo(eqo) (eqo->idx == 0) 828 #define mcc_eqo(adapter) (&adapter->eq_obj[0]) 829 830 #define PAGE_SHIFT_4K 12 831 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 832 833 /* Returns number of pages spanned by the data starting at the given addr */ 834 #define PAGES_4K_SPANNED(_address, size) \ 835 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 836 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 837 838 /* Returns bit offset within a DWORD of a bitfield */ 839 #define AMAP_BIT_OFFSET(_struct, field) \ 840 (((size_t)&(((_struct *)0)->field))%32) 841 842 /* Returns the bit mask of the field that is NOT shifted into location. */ 843 static inline u32 amap_mask(u32 bitsize) 844 { 845 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 846 } 847 848 static inline void 849 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 850 { 851 u32 *dw = (u32 *) ptr + dw_offset; 852 *dw &= ~(mask << offset); 853 *dw |= (mask & value) << offset; 854 } 855 856 #define AMAP_SET_BITS(_struct, field, ptr, val) \ 857 amap_set(ptr, \ 858 offsetof(_struct, field)/32, \ 859 amap_mask(sizeof(((_struct *)0)->field)), \ 860 AMAP_BIT_OFFSET(_struct, field), \ 861 val) 862 863 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 864 { 865 u32 *dw = (u32 *) ptr; 866 return mask & (*(dw + dw_offset) >> offset); 867 } 868 869 #define AMAP_GET_BITS(_struct, field, ptr) \ 870 amap_get(ptr, \ 871 offsetof(_struct, field)/32, \ 872 amap_mask(sizeof(((_struct *)0)->field)), \ 873 AMAP_BIT_OFFSET(_struct, field)) 874 875 #define GET_RX_COMPL_V0_BITS(field, ptr) \ 876 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) 877 878 #define GET_RX_COMPL_V1_BITS(field, ptr) \ 879 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) 880 881 #define GET_TX_COMPL_BITS(field, ptr) \ 882 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) 883 884 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \ 885 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) 886 887 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 888 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 889 static inline void swap_dws(void *wrb, int len) 890 { 891 #ifdef __BIG_ENDIAN 892 u32 *dw = wrb; 893 BUG_ON(len % 4); 894 do { 895 *dw = cpu_to_le32(*dw); 896 dw++; 897 len -= 4; 898 } while (len); 899 #endif /* __BIG_ENDIAN */ 900 } 901 902 #define be_cmd_status(status) (status > 0 ? -EIO : status) 903 904 static inline u8 is_tcp_pkt(struct sk_buff *skb) 905 { 906 u8 val = 0; 907 908 if (ip_hdr(skb)->version == 4) 909 val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 910 else if (ip_hdr(skb)->version == 6) 911 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 912 913 return val; 914 } 915 916 static inline u8 is_udp_pkt(struct sk_buff *skb) 917 { 918 u8 val = 0; 919 920 if (ip_hdr(skb)->version == 4) 921 val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 922 else if (ip_hdr(skb)->version == 6) 923 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 924 925 return val; 926 } 927 928 static inline bool is_ipv4_pkt(struct sk_buff *skb) 929 { 930 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 931 } 932 933 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) 934 { 935 if (ip_hdr(skb)->version == 6) 936 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); 937 else 938 return false; 939 } 940 941 #define be_error_recovering(adapter) \ 942 (adapter->flags & BE_FLAGS_TRY_RECOVERY) 943 944 #define BE_ERROR_EEH 1 945 #define BE_ERROR_UE BIT(1) 946 #define BE_ERROR_FW BIT(2) 947 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE) 948 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW) 949 #define BE_CLEAR_ALL 0xFF 950 951 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) 952 { 953 return (adapter->err_flags & err_type); 954 } 955 956 static inline void be_set_error(struct be_adapter *adapter, int err_type) 957 { 958 struct net_device *netdev = adapter->netdev; 959 960 adapter->err_flags |= err_type; 961 netif_carrier_off(netdev); 962 963 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); 964 } 965 966 static inline void be_clear_error(struct be_adapter *adapter, int err_type) 967 { 968 adapter->err_flags &= ~err_type; 969 } 970 971 static inline bool be_multi_rxq(const struct be_adapter *adapter) 972 { 973 return adapter->num_rx_qs > 1; 974 } 975 976 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 977 u16 num_popped); 978 void be_link_status_update(struct be_adapter *adapter, u8 link_status); 979 void be_parse_stats(struct be_adapter *adapter); 980 int be_load_fw(struct be_adapter *adapter, u8 *func); 981 bool be_is_wol_supported(struct be_adapter *adapter); 982 bool be_pause_supported(struct be_adapter *adapter); 983 u32 be_get_fw_log_level(struct be_adapter *adapter); 984 int be_update_queues(struct be_adapter *adapter); 985 int be_poll(struct napi_struct *napi, int budget); 986 void be_eqd_update(struct be_adapter *adapter, bool force_update); 987 988 /* 989 * internal function to initialize-cleanup roce device. 990 */ 991 void be_roce_dev_add(struct be_adapter *); 992 void be_roce_dev_remove(struct be_adapter *); 993 994 /* 995 * internal function to open-close roce device during ifup-ifdown. 996 */ 997 void be_roce_dev_shutdown(struct be_adapter *); 998 999 #endif /* BE_H */ 1000