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 "11.1.0.0" 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 enum { 230 NAPI_POLLING, 231 BUSY_POLLING 232 }; 233 234 struct be_mcc_obj { 235 struct be_queue_info q; 236 struct be_queue_info cq; 237 bool rearm_cq; 238 }; 239 240 struct be_tx_stats { 241 u64 tx_bytes; 242 u64 tx_pkts; 243 u64 tx_vxlan_offload_pkts; 244 u64 tx_reqs; 245 u64 tx_compl; 246 ulong tx_jiffies; 247 u32 tx_stops; 248 u32 tx_drv_drops; /* pkts dropped by driver */ 249 /* the error counters are described in be_ethtool.c */ 250 u32 tx_hdr_parse_err; 251 u32 tx_dma_err; 252 u32 tx_tso_err; 253 u32 tx_spoof_check_err; 254 u32 tx_qinq_err; 255 u32 tx_internal_parity_err; 256 struct u64_stats_sync sync; 257 struct u64_stats_sync sync_compl; 258 }; 259 260 /* Structure to hold some data of interest obtained from a TX CQE */ 261 struct be_tx_compl_info { 262 u8 status; /* Completion status */ 263 u16 end_index; /* Completed TXQ Index */ 264 }; 265 266 struct be_tx_obj { 267 u32 db_offset; 268 struct be_queue_info q; 269 struct be_queue_info cq; 270 struct be_tx_compl_info txcp; 271 /* Remember the skbs that were transmitted */ 272 struct sk_buff *sent_skb_list[TX_Q_LEN]; 273 struct be_tx_stats stats; 274 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ 275 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ 276 u16 last_req_hdr; /* index of the last req's hdr-wrb */ 277 } ____cacheline_aligned_in_smp; 278 279 /* Struct to remember the pages posted for rx frags */ 280 struct be_rx_page_info { 281 struct page *page; 282 /* set to page-addr for last frag of the page & frag-addr otherwise */ 283 DEFINE_DMA_UNMAP_ADDR(bus); 284 u16 page_offset; 285 bool last_frag; /* last frag of the page */ 286 }; 287 288 struct be_rx_stats { 289 u64 rx_bytes; 290 u64 rx_pkts; 291 u64 rx_vxlan_offload_pkts; 292 u32 rx_drops_no_skbs; /* skb allocation errors */ 293 u32 rx_drops_no_frags; /* HW has no fetched frags */ 294 u32 rx_post_fail; /* page post alloc failures */ 295 u32 rx_compl; 296 u32 rx_mcast_pkts; 297 u32 rx_compl_err; /* completions with err set */ 298 struct u64_stats_sync sync; 299 }; 300 301 struct be_rx_compl_info { 302 u32 rss_hash; 303 u16 vlan_tag; 304 u16 pkt_size; 305 u16 port; 306 u8 vlanf; 307 u8 num_rcvd; 308 u8 err; 309 u8 ipf; 310 u8 tcpf; 311 u8 udpf; 312 u8 ip_csum; 313 u8 l4_csum; 314 u8 ipv6; 315 u8 qnq; 316 u8 pkt_type; 317 u8 ip_frag; 318 u8 tunneled; 319 }; 320 321 struct be_rx_obj { 322 struct be_adapter *adapter; 323 struct be_queue_info q; 324 struct be_queue_info cq; 325 struct be_rx_compl_info rxcp; 326 struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 327 struct be_rx_stats stats; 328 u8 rss_id; 329 bool rx_post_starved; /* Zero rx frags have been posted to BE */ 330 } ____cacheline_aligned_in_smp; 331 332 struct be_drv_stats { 333 u32 eth_red_drops; 334 u32 dma_map_errors; 335 u32 rx_drops_no_pbuf; 336 u32 rx_drops_no_txpb; 337 u32 rx_drops_no_erx_descr; 338 u32 rx_drops_no_tpre_descr; 339 u32 rx_drops_too_many_frags; 340 u32 forwarded_packets; 341 u32 rx_drops_mtu; 342 u32 rx_crc_errors; 343 u32 rx_alignment_symbol_errors; 344 u32 rx_pause_frames; 345 u32 rx_priority_pause_frames; 346 u32 rx_control_frames; 347 u32 rx_in_range_errors; 348 u32 rx_out_range_errors; 349 u32 rx_frame_too_long; 350 u32 rx_address_filtered; 351 u32 rx_dropped_too_small; 352 u32 rx_dropped_too_short; 353 u32 rx_dropped_header_too_small; 354 u32 rx_dropped_tcp_length; 355 u32 rx_dropped_runt; 356 u32 rx_ip_checksum_errs; 357 u32 rx_tcp_checksum_errs; 358 u32 rx_udp_checksum_errs; 359 u32 tx_pauseframes; 360 u32 tx_priority_pauseframes; 361 u32 tx_controlframes; 362 u32 rxpp_fifo_overflow_drop; 363 u32 rx_input_fifo_overflow_drop; 364 u32 pmem_fifo_overflow_drop; 365 u32 jabber_events; 366 u32 rx_roce_bytes_lsd; 367 u32 rx_roce_bytes_msd; 368 u32 rx_roce_frames; 369 u32 roce_drops_payload_len; 370 u32 roce_drops_crc; 371 }; 372 373 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 374 #define BE_RESET_VLAN_TAG_ID 0xFFFF 375 376 struct be_vf_cfg { 377 unsigned char mac_addr[ETH_ALEN]; 378 int if_handle; 379 int pmac_id; 380 u16 vlan_tag; 381 u32 tx_rate; 382 u32 plink_tracking; 383 u32 privileges; 384 bool spoofchk; 385 }; 386 387 enum vf_state { 388 ENABLED = 0, 389 ASSIGNED = 1 390 }; 391 392 #define BE_FLAGS_LINK_STATUS_INIT BIT(1) 393 #define BE_FLAGS_SRIOV_ENABLED BIT(2) 394 #define BE_FLAGS_WORKER_SCHEDULED BIT(3) 395 #define BE_FLAGS_NAPI_ENABLED BIT(6) 396 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) 397 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8) 398 #define BE_FLAGS_SETUP_DONE BIT(9) 399 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10) 400 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) 401 #define BE_FLAGS_OS2BMC BIT(12) 402 #define BE_FLAGS_TRY_RECOVERY BIT(13) 403 404 #define BE_UC_PMAC_COUNT 30 405 #define BE_VF_UC_PMAC_COUNT 2 406 407 #define MAX_ERR_RECOVERY_RETRY_COUNT 3 408 #define ERR_DETECTION_DELAY 1000 409 410 /* Ethtool set_dump flags */ 411 #define LANCER_INITIATE_FW_DUMP 0x1 412 #define LANCER_DELETE_FW_DUMP 0x2 413 414 struct phy_info { 415 /* From SFF-8472 spec */ 416 #define SFP_VENDOR_NAME_LEN 17 417 u8 transceiver; 418 u8 autoneg; 419 u8 fc_autoneg; 420 u8 port_type; 421 u16 phy_type; 422 u16 interface_type; 423 u32 misc_params; 424 u16 auto_speeds_supported; 425 u16 fixed_speeds_supported; 426 int link_speed; 427 u32 advertising; 428 u32 supported; 429 u8 cable_type; 430 u8 vendor_name[SFP_VENDOR_NAME_LEN]; 431 u8 vendor_pn[SFP_VENDOR_NAME_LEN]; 432 }; 433 434 struct be_resources { 435 u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 436 u16 max_mcast_mac; 437 u16 max_tx_qs; 438 u16 max_rss_qs; 439 u16 max_rx_qs; 440 u16 max_cq_count; 441 u16 max_uc_mac; /* Max UC MACs programmable */ 442 u16 max_vlans; /* Number of vlans supported */ 443 u16 max_iface_count; 444 u16 max_mcc_count; 445 u16 max_evt_qs; 446 u16 max_nic_evt_qs; /* NIC's share of evt qs */ 447 u32 if_cap_flags; 448 u32 vf_if_cap_flags; /* VF if capability flags */ 449 u32 flags; 450 /* Calculated PF Pool's share of RSS Tables. This is not enforced by 451 * the FW, but is a self-imposed driver limitation. 452 */ 453 u16 max_rss_tables; 454 }; 455 456 /* These are port-wide values */ 457 struct be_port_resources { 458 u16 max_vfs; 459 u16 nic_pfs; 460 }; 461 462 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) 463 464 struct rss_info { 465 u64 rss_flags; 466 u8 rsstable[RSS_INDIR_TABLE_LEN]; 467 u8 rss_queue[RSS_INDIR_TABLE_LEN]; 468 u8 rss_hkey[RSS_HASH_KEY_LEN]; 469 }; 470 471 #define BE_INVALID_DIE_TEMP 0xFF 472 struct be_hwmon { 473 struct device *hwmon_dev; 474 u8 be_on_die_temp; /* Unit: millidegree Celsius */ 475 }; 476 477 /* Macros to read/write the 'features' word of be_wrb_params structure. 478 */ 479 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT 480 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) 481 482 #define BE_WRB_F_GET(word, name) \ 483 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) 484 485 #define BE_WRB_F_SET(word, name, val) \ 486 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) 487 488 /* Feature/offload bits */ 489 enum { 490 BE_WRB_F_CRC_BIT, /* Ethernet CRC */ 491 BE_WRB_F_IPCS_BIT, /* IP csum */ 492 BE_WRB_F_TCPCS_BIT, /* TCP csum */ 493 BE_WRB_F_UDPCS_BIT, /* UDP csum */ 494 BE_WRB_F_LSO_BIT, /* LSO */ 495 BE_WRB_F_LSO6_BIT, /* LSO6 */ 496 BE_WRB_F_VLAN_BIT, /* VLAN */ 497 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ 498 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ 499 }; 500 501 /* The structure below provides a HW-agnostic abstraction of WRB params 502 * retrieved from a TX skb. This is in turn passed to chip specific routines 503 * during transmit, to set the corresponding params in the WRB. 504 */ 505 struct be_wrb_params { 506 u32 features; /* Feature bits */ 507 u16 vlan_tag; /* VLAN tag */ 508 u16 lso_mss; /* MSS for LSO */ 509 }; 510 511 struct be_eth_addr { 512 unsigned char mac[ETH_ALEN]; 513 }; 514 515 #define BE_SEC 1000 /* in msec */ 516 #define BE_MIN (60 * BE_SEC) /* in msec */ 517 #define BE_HOUR (60 * BE_MIN) /* in msec */ 518 519 #define ERR_RECOVERY_MAX_RETRY_COUNT 3 520 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC 521 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) 522 523 /* UE-detection-duration in BEx/Skyhawk: 524 * All PFs must wait for this duration after they detect UE before reading 525 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware 526 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate 527 * if the UE is recoverable. 528 */ 529 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC 530 531 /* Initial idle time (in msec) to elapse after driver load, 532 * before UE recovery is allowed. 533 */ 534 #define ERR_IDLE_HR 24 535 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) 536 537 /* Time interval (in msec) after which UE recovery can be repeated */ 538 #define ERR_INTERVAL_HR 72 539 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) 540 541 /* BEx/SH UE recovery state machine */ 542 enum { 543 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ 544 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ 545 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ 546 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ 547 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ 548 }; 549 550 struct be_error_recovery { 551 /* Lancer error recovery variables */ 552 u8 recovery_retries; 553 554 /* BEx/Skyhawk error recovery variables */ 555 u8 recovery_state; 556 u16 ue_to_reset_time; /* Time after UE, to soft reset 557 * the chip - PF0 only 558 */ 559 u16 ue_to_poll_time; /* Time after UE, to Restart Polling 560 * of SLIPORT_SEMAPHORE reg 561 */ 562 u16 last_err_code; 563 bool recovery_supported; 564 unsigned long probe_time; 565 unsigned long last_recovery_time; 566 567 /* Common to both Lancer & BEx/SH error recovery */ 568 u32 resched_delay; 569 struct delayed_work err_detection_work; 570 }; 571 572 /* Ethtool priv_flags */ 573 #define BE_DISABLE_TPE_RECOVERY 0x1 574 575 struct be_adapter { 576 struct pci_dev *pdev; 577 struct net_device *netdev; 578 579 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 580 u8 __iomem *db; /* Door Bell */ 581 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ 582 583 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 584 struct be_dma_mem mbox_mem; 585 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 586 * is stored for freeing purpose */ 587 struct be_dma_mem mbox_mem_alloced; 588 589 struct be_mcc_obj mcc_obj; 590 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ 591 spinlock_t mcc_cq_lock; 592 593 u16 cfg_num_rx_irqs; /* configured via set-channels */ 594 u16 cfg_num_tx_irqs; /* configured via set-channels */ 595 u16 num_evt_qs; 596 u16 num_msix_vec; 597 struct be_eq_obj eq_obj[MAX_EVT_QS]; 598 struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 599 bool isr_registered; 600 601 /* TX Rings */ 602 u16 num_tx_qs; 603 struct be_tx_obj tx_obj[MAX_TX_QS]; 604 605 /* Rx rings */ 606 u16 num_rx_qs; 607 u16 num_rss_qs; 608 u16 need_def_rxq; 609 struct be_rx_obj rx_obj[MAX_RX_QS]; 610 u32 big_page_size; /* Compounded page size shared by rx wrbs */ 611 612 struct be_drv_stats drv_stats; 613 struct be_aic_obj aic_obj[MAX_EVT_QS]; 614 u8 vlan_prio_bmap; /* Available Priority BitMap */ 615 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ 616 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 617 618 struct be_dma_mem stats_cmd; 619 /* Work queue used to perform periodic tasks like getting statistics */ 620 struct delayed_work work; 621 u16 work_counter; 622 623 u8 recovery_retries; 624 u8 err_flags; 625 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ 626 u32 flags; 627 u32 cmd_privileges; 628 /* Ethtool knobs and info */ 629 char fw_ver[FW_VER_LEN]; 630 char fw_on_flash[FW_VER_LEN]; 631 632 /* IFACE filtering fields */ 633 int if_handle; /* Used to configure filtering */ 634 u32 if_flags; /* Interface filtering flags */ 635 u32 *pmac_id; /* MAC addr handle used by BE card */ 636 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ 637 u32 uc_macs; /* Count of secondary UC MAC programmed */ 638 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ 639 u32 mc_count; 640 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 641 u16 vlans_added; 642 bool update_uc_list; 643 bool update_mc_list; 644 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ 645 646 u32 beacon_state; /* for set_phys_id */ 647 648 u32 port_num; 649 char port_name; 650 u8 mc_type; 651 u32 function_mode; 652 u32 function_caps; 653 u32 rx_fc; /* Rx flow control */ 654 u32 tx_fc; /* Tx flow control */ 655 bool stats_cmd_sent; 656 struct { 657 u32 size; 658 u32 total_size; 659 u64 io_addr; 660 } roce_db; 661 u32 num_msix_roce_vec; 662 struct ocrdma_dev *ocrdma_dev; 663 struct list_head entry; 664 665 u32 flash_status; 666 struct completion et_cmd_compl; 667 668 struct be_resources pool_res; /* resources available for the port */ 669 struct be_resources res; /* resources available for the func */ 670 u16 num_vfs; /* Number of VFs provisioned by PF */ 671 u8 pf_num; /* Numbering used by FW, starts at 0 */ 672 u8 vf_num; /* Numbering used by FW, starts at 1 */ 673 u8 virtfn; 674 struct be_vf_cfg *vf_cfg; 675 bool be3_native; 676 u32 sli_family; 677 u8 hba_port_num; 678 u16 pvid; 679 __be16 vxlan_port; 680 int vxlan_port_count; 681 int vxlan_port_aliases; 682 struct phy_info phy; 683 u8 wol_cap; 684 bool wol_en; 685 u16 asic_rev; 686 u16 qnq_vid; 687 u32 msg_enable; 688 int be_get_temp_freq; 689 struct be_hwmon hwmon_info; 690 struct rss_info rss_info; 691 /* Filters for packets that need to be sent to BMC */ 692 u32 bmc_filt_mask; 693 u32 fat_dump_len; 694 u16 serial_num[CNTL_SERIAL_NUM_WORDS]; 695 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ 696 u8 dev_mac[ETH_ALEN]; 697 u32 priv_flags; /* ethtool get/set_priv_flags() */ 698 struct be_error_recovery error_recovery; 699 }; 700 701 /* Used for defered FW config cmds. Add fields to this struct as reqd */ 702 struct be_cmd_work { 703 struct work_struct work; 704 struct be_adapter *adapter; 705 union { 706 __be16 vxlan_port; 707 } info; 708 }; 709 710 #define be_physfn(adapter) (!adapter->virtfn) 711 #define be_virtfn(adapter) (adapter->virtfn) 712 #define sriov_enabled(adapter) (adapter->flags & \ 713 BE_FLAGS_SRIOV_ENABLED) 714 715 #define for_all_vfs(adapter, vf_cfg, i) \ 716 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 717 i++, vf_cfg++) 718 719 #define ON 1 720 #define OFF 0 721 722 #define be_max_vlans(adapter) (adapter->res.max_vlans) 723 #define be_max_uc(adapter) (adapter->res.max_uc_mac) 724 #define be_max_mc(adapter) (adapter->res.max_mcast_mac) 725 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 726 #define be_max_rss(adapter) (adapter->res.max_rss_qs) 727 #define be_max_txqs(adapter) (adapter->res.max_tx_qs) 728 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 729 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 730 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ 731 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) 732 /* Max number of EQs available avaialble only for NIC */ 733 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) 734 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 735 #define be_max_pf_pool_rss_tables(adapter) \ 736 (adapter->pool_res.max_rss_tables) 737 /* Max irqs avaialble for NIC */ 738 #define be_max_irqs(adapter) \ 739 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) 740 741 /* Max irqs *needed* for RX queues */ 742 static inline u16 be_max_rx_irqs(struct be_adapter *adapter) 743 { 744 /* If no RSS, need atleast one irq for def-RXQ */ 745 u16 num = max_t(u16, be_max_rss(adapter), 1); 746 747 return min_t(u16, num, be_max_irqs(adapter)); 748 } 749 750 /* Max irqs *needed* for TX queues */ 751 static inline u16 be_max_tx_irqs(struct be_adapter *adapter) 752 { 753 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); 754 } 755 756 /* Max irqs *needed* for combined queues */ 757 static inline u16 be_max_qp_irqs(struct be_adapter *adapter) 758 { 759 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 760 } 761 762 /* Max irqs *needed* for RX and TX queues together */ 763 static inline u16 be_max_any_irqs(struct be_adapter *adapter) 764 { 765 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 766 } 767 768 /* Is BE in pvid_tagging mode */ 769 #define be_pvid_tagging_enabled(adapter) (adapter->pvid) 770 771 /* Is BE in QNQ multi-channel mode */ 772 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 773 774 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 775 adapter->pdev->device == OC_DEVICE_ID4) 776 777 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 778 adapter->pdev->device == OC_DEVICE_ID6) 779 780 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 781 adapter->pdev->device == OC_DEVICE_ID2) 782 783 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 784 adapter->pdev->device == OC_DEVICE_ID1) 785 786 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 787 788 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 789 (adapter->function_mode & RDMA_ENABLED)) 790 791 extern const struct ethtool_ops be_ethtool_ops; 792 793 #define msix_enabled(adapter) (adapter->num_msix_vec > 0) 794 #define num_irqs(adapter) (msix_enabled(adapter) ? \ 795 adapter->num_msix_vec : 1) 796 #define tx_stats(txo) (&(txo)->stats) 797 #define rx_stats(rxo) (&(rxo)->stats) 798 799 /* The default RXQ is the last RXQ */ 800 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 801 802 #define for_all_rx_queues(adapter, rxo, i) \ 803 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 804 i++, rxo++) 805 806 #define for_all_rss_queues(adapter, rxo, i) \ 807 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ 808 i++, rxo++) 809 810 #define for_all_tx_queues(adapter, txo, i) \ 811 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 812 i++, txo++) 813 814 #define for_all_evt_queues(adapter, eqo, i) \ 815 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 816 i++, eqo++) 817 818 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 819 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 820 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 821 822 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ 823 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ 824 i += adapter->num_evt_qs, txo += adapter->num_evt_qs) 825 826 #define is_mcc_eqo(eqo) (eqo->idx == 0) 827 #define mcc_eqo(adapter) (&adapter->eq_obj[0]) 828 829 #define PAGE_SHIFT_4K 12 830 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 831 832 /* Returns number of pages spanned by the data starting at the given addr */ 833 #define PAGES_4K_SPANNED(_address, size) \ 834 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 835 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 836 837 /* Returns bit offset within a DWORD of a bitfield */ 838 #define AMAP_BIT_OFFSET(_struct, field) \ 839 (((size_t)&(((_struct *)0)->field))%32) 840 841 /* Returns the bit mask of the field that is NOT shifted into location. */ 842 static inline u32 amap_mask(u32 bitsize) 843 { 844 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 845 } 846 847 static inline void 848 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 849 { 850 u32 *dw = (u32 *) ptr + dw_offset; 851 *dw &= ~(mask << offset); 852 *dw |= (mask & value) << offset; 853 } 854 855 #define AMAP_SET_BITS(_struct, field, ptr, val) \ 856 amap_set(ptr, \ 857 offsetof(_struct, field)/32, \ 858 amap_mask(sizeof(((_struct *)0)->field)), \ 859 AMAP_BIT_OFFSET(_struct, field), \ 860 val) 861 862 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 863 { 864 u32 *dw = (u32 *) ptr; 865 return mask & (*(dw + dw_offset) >> offset); 866 } 867 868 #define AMAP_GET_BITS(_struct, field, ptr) \ 869 amap_get(ptr, \ 870 offsetof(_struct, field)/32, \ 871 amap_mask(sizeof(((_struct *)0)->field)), \ 872 AMAP_BIT_OFFSET(_struct, field)) 873 874 #define GET_RX_COMPL_V0_BITS(field, ptr) \ 875 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) 876 877 #define GET_RX_COMPL_V1_BITS(field, ptr) \ 878 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) 879 880 #define GET_TX_COMPL_BITS(field, ptr) \ 881 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) 882 883 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \ 884 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) 885 886 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 887 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 888 static inline void swap_dws(void *wrb, int len) 889 { 890 #ifdef __BIG_ENDIAN 891 u32 *dw = wrb; 892 BUG_ON(len % 4); 893 do { 894 *dw = cpu_to_le32(*dw); 895 dw++; 896 len -= 4; 897 } while (len); 898 #endif /* __BIG_ENDIAN */ 899 } 900 901 #define be_cmd_status(status) (status > 0 ? -EIO : status) 902 903 static inline u8 is_tcp_pkt(struct sk_buff *skb) 904 { 905 u8 val = 0; 906 907 if (ip_hdr(skb)->version == 4) 908 val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 909 else if (ip_hdr(skb)->version == 6) 910 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 911 912 return val; 913 } 914 915 static inline u8 is_udp_pkt(struct sk_buff *skb) 916 { 917 u8 val = 0; 918 919 if (ip_hdr(skb)->version == 4) 920 val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 921 else if (ip_hdr(skb)->version == 6) 922 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 923 924 return val; 925 } 926 927 static inline bool is_ipv4_pkt(struct sk_buff *skb) 928 { 929 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 930 } 931 932 #define be_error_recovering(adapter) \ 933 (adapter->flags & BE_FLAGS_TRY_RECOVERY) 934 935 #define BE_ERROR_EEH 1 936 #define BE_ERROR_UE BIT(1) 937 #define BE_ERROR_FW BIT(2) 938 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE) 939 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW) 940 #define BE_CLEAR_ALL 0xFF 941 942 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) 943 { 944 return (adapter->err_flags & err_type); 945 } 946 947 static inline void be_set_error(struct be_adapter *adapter, int err_type) 948 { 949 struct net_device *netdev = adapter->netdev; 950 951 adapter->err_flags |= err_type; 952 netif_carrier_off(netdev); 953 954 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); 955 } 956 957 static inline void be_clear_error(struct be_adapter *adapter, int err_type) 958 { 959 adapter->err_flags &= ~err_type; 960 } 961 962 static inline bool be_multi_rxq(const struct be_adapter *adapter) 963 { 964 return adapter->num_rx_qs > 1; 965 } 966 967 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 968 u16 num_popped); 969 void be_link_status_update(struct be_adapter *adapter, u8 link_status); 970 void be_parse_stats(struct be_adapter *adapter); 971 int be_load_fw(struct be_adapter *adapter, u8 *func); 972 bool be_is_wol_supported(struct be_adapter *adapter); 973 bool be_pause_supported(struct be_adapter *adapter); 974 u32 be_get_fw_log_level(struct be_adapter *adapter); 975 int be_update_queues(struct be_adapter *adapter); 976 int be_poll(struct napi_struct *napi, int budget); 977 void be_eqd_update(struct be_adapter *adapter, bool force_update); 978 979 /* 980 * internal function to initialize-cleanup roce device. 981 */ 982 void be_roce_dev_add(struct be_adapter *); 983 void be_roce_dev_remove(struct be_adapter *); 984 985 /* 986 * internal function to open-close roce device during ifup-ifdown. 987 */ 988 void be_roce_dev_shutdown(struct be_adapter *); 989 990 #endif /* BE_H */ 991