1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2005 - 2016 Broadcom 4 * All rights reserved. 5 * 6 * Contact Information: 7 * linux-drivers@emulex.com 8 * 9 * Emulex 10 * 3333 Susan Street 11 * Costa Mesa, CA 92626 12 */ 13 14 #ifndef BE_H 15 #define BE_H 16 17 #include <linux/pci.h> 18 #include <linux/etherdevice.h> 19 #include <linux/delay.h> 20 #include <net/tcp.h> 21 #include <net/ip.h> 22 #include <net/ipv6.h> 23 #include <linux/if_vlan.h> 24 #include <linux/workqueue.h> 25 #include <linux/interrupt.h> 26 #include <linux/firmware.h> 27 #include <linux/slab.h> 28 #include <linux/u64_stats_sync.h> 29 #include <linux/cpumask.h> 30 #include <linux/hwmon.h> 31 #include <linux/hwmon-sysfs.h> 32 33 #include "be_hw.h" 34 #include "be_roce.h" 35 36 #define DRV_VER "12.0.0.0" 37 #define DRV_NAME "be2net" 38 #define BE_NAME "Emulex BladeEngine2" 39 #define BE3_NAME "Emulex BladeEngine3" 40 #define OC_NAME "Emulex OneConnect" 41 #define OC_NAME_BE OC_NAME "(be3)" 42 #define OC_NAME_LANCER OC_NAME "(Lancer)" 43 #define OC_NAME_SH OC_NAME "(Skyhawk)" 44 #define DRV_DESC "Emulex OneConnect NIC Driver" 45 46 #define BE_VENDOR_ID 0x19a2 47 #define EMULEX_VENDOR_ID 0x10df 48 #define BE_DEVICE_ID1 0x211 49 #define BE_DEVICE_ID2 0x221 50 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ 51 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ 52 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ 53 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ 54 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ 55 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ 56 #define OC_SUBSYS_DEVICE_ID1 0xE602 57 #define OC_SUBSYS_DEVICE_ID2 0xE642 58 #define OC_SUBSYS_DEVICE_ID3 0xE612 59 #define OC_SUBSYS_DEVICE_ID4 0xE652 60 61 /* Number of bytes of an RX frame that are copied to skb->data */ 62 #define BE_HDR_LEN ((u16) 64) 63 /* allocate extra space to allow tunneling decapsulation without head reallocation */ 64 #define BE_RX_SKB_ALLOC_SIZE 256 65 66 #define BE_MAX_JUMBO_FRAME_SIZE 9018 67 #define BE_MIN_MTU 256 68 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ 69 (ETH_HLEN + ETH_FCS_LEN)) 70 71 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ 72 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) 73 74 #define BE_NUM_VLANS_SUPPORTED 64 75 #define BE_MAX_EQD 128u 76 #define BE_MAX_TX_FRAG_COUNT 30 77 78 #define EVNT_Q_LEN 1024 79 #define TX_Q_LEN 2048 80 #define TX_CQ_LEN 1024 81 #define RX_Q_LEN 1024 /* Does not support any other value */ 82 #define RX_CQ_LEN 1024 83 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ 84 #define MCC_CQ_LEN 256 85 86 #define BE2_MAX_RSS_QS 4 87 #define BE3_MAX_RSS_QS 16 88 #define BE3_MAX_TX_QS 16 89 #define BE3_MAX_EVT_QS 16 90 #define BE3_SRIOV_MAX_EVT_QS 8 91 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs 92 * and at least 1 is granted to either 93 * SURF/DPDK 94 */ 95 96 #define MAX_PORT_RSS_TABLES 15 97 #define MAX_NIC_FUNCS 16 98 #define MAX_RX_QS 32 99 #define MAX_EVT_QS 32 100 #define MAX_TX_QS 32 101 102 #define MAX_ROCE_EQS 5 103 #define MAX_MSIX_VECTORS 32 104 #define MIN_MSIX_VECTORS 1 105 #define BE_NAPI_WEIGHT 64 106 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ 107 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) 108 #define MAX_NUM_POST_ERX_DB 255u 109 110 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */ 111 #define FW_VER_LEN 32 112 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ 113 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ 114 115 #define RSS_INDIR_TABLE_LEN 128 116 #define RSS_HASH_KEY_LEN 40 117 118 #define BE_UNKNOWN_PHY_STATE 0xFF 119 120 struct be_dma_mem { 121 void *va; 122 dma_addr_t dma; 123 u32 size; 124 }; 125 126 struct be_queue_info { 127 u32 len; 128 u32 entry_size; /* Size of an element in the queue */ 129 u32 tail, head; 130 atomic_t used; /* Number of valid elements in the queue */ 131 u32 id; 132 struct be_dma_mem dma_mem; 133 bool created; 134 }; 135 136 static inline u32 MODULO(u32 val, u32 limit) 137 { 138 BUG_ON(limit & (limit - 1)); 139 return val & (limit - 1); 140 } 141 142 static inline void index_adv(u32 *index, u32 val, u32 limit) 143 { 144 *index = MODULO((*index + val), limit); 145 } 146 147 static inline void index_inc(u32 *index, u32 limit) 148 { 149 *index = MODULO((*index + 1), limit); 150 } 151 152 static inline void *queue_head_node(struct be_queue_info *q) 153 { 154 return q->dma_mem.va + q->head * q->entry_size; 155 } 156 157 static inline void *queue_tail_node(struct be_queue_info *q) 158 { 159 return q->dma_mem.va + q->tail * q->entry_size; 160 } 161 162 static inline void *queue_index_node(struct be_queue_info *q, u16 index) 163 { 164 return q->dma_mem.va + index * q->entry_size; 165 } 166 167 static inline void queue_head_inc(struct be_queue_info *q) 168 { 169 index_inc(&q->head, q->len); 170 } 171 172 static inline void index_dec(u32 *index, u32 limit) 173 { 174 *index = MODULO((*index - 1), limit); 175 } 176 177 static inline void queue_tail_inc(struct be_queue_info *q) 178 { 179 index_inc(&q->tail, q->len); 180 } 181 182 struct be_eq_obj { 183 struct be_queue_info q; 184 char desc[32]; 185 186 struct be_adapter *adapter; 187 struct napi_struct napi; 188 u8 idx; /* array index */ 189 u8 msix_idx; 190 u16 spurious_intr; 191 cpumask_var_t affinity_mask; 192 } ____cacheline_aligned_in_smp; 193 194 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ 195 u32 min_eqd; /* in usecs */ 196 u32 max_eqd; /* in usecs */ 197 u32 prev_eqd; /* in usecs */ 198 u32 et_eqd; /* configured val when aic is off */ 199 ulong jiffies; 200 u64 rx_pkts_prev; /* Used to calculate RX pps */ 201 u64 tx_reqs_prev; /* Used to calculate TX pps */ 202 }; 203 204 struct be_mcc_obj { 205 struct be_queue_info q; 206 struct be_queue_info cq; 207 bool rearm_cq; 208 }; 209 210 struct be_tx_stats { 211 u64 tx_bytes; 212 u64 tx_pkts; 213 u64 tx_vxlan_offload_pkts; 214 u64 tx_reqs; 215 u64 tx_compl; 216 u32 tx_stops; 217 u32 tx_drv_drops; /* pkts dropped by driver */ 218 /* the error counters are described in be_ethtool.c */ 219 u32 tx_hdr_parse_err; 220 u32 tx_dma_err; 221 u32 tx_tso_err; 222 u32 tx_spoof_check_err; 223 u32 tx_qinq_err; 224 u32 tx_internal_parity_err; 225 u32 tx_sge_err; 226 struct u64_stats_sync sync; 227 struct u64_stats_sync sync_compl; 228 }; 229 230 /* Structure to hold some data of interest obtained from a TX CQE */ 231 struct be_tx_compl_info { 232 u8 status; /* Completion status */ 233 u16 end_index; /* Completed TXQ Index */ 234 }; 235 236 struct be_tx_obj { 237 u32 db_offset; 238 struct be_tx_compl_info txcp; 239 struct be_queue_info q; 240 struct be_queue_info cq; 241 /* Remember the skbs that were transmitted */ 242 struct sk_buff *sent_skb_list[TX_Q_LEN]; 243 struct be_tx_stats stats; 244 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ 245 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ 246 u16 last_req_hdr; /* index of the last req's hdr-wrb */ 247 } ____cacheline_aligned_in_smp; 248 249 /* Struct to remember the pages posted for rx frags */ 250 struct be_rx_page_info { 251 struct page *page; 252 /* set to page-addr for last frag of the page & frag-addr otherwise */ 253 DEFINE_DMA_UNMAP_ADDR(bus); 254 u16 page_offset; 255 bool last_frag; /* last frag of the page */ 256 }; 257 258 struct be_rx_stats { 259 u64 rx_bytes; 260 u64 rx_pkts; 261 u64 rx_vxlan_offload_pkts; 262 u32 rx_drops_no_skbs; /* skb allocation errors */ 263 u32 rx_drops_no_frags; /* HW has no fetched frags */ 264 u32 rx_post_fail; /* page post alloc failures */ 265 u32 rx_compl; 266 u32 rx_mcast_pkts; 267 u32 rx_compl_err; /* completions with err set */ 268 struct u64_stats_sync sync; 269 }; 270 271 struct be_rx_compl_info { 272 u32 rss_hash; 273 u16 vlan_tag; 274 u16 pkt_size; 275 u16 port; 276 u8 vlanf; 277 u8 num_rcvd; 278 u8 err; 279 u8 ipf; 280 u8 tcpf; 281 u8 udpf; 282 u8 ip_csum; 283 u8 l4_csum; 284 u8 ipv6; 285 u8 qnq; 286 u8 pkt_type; 287 u8 ip_frag; 288 u8 tunneled; 289 }; 290 291 struct be_rx_obj { 292 struct be_adapter *adapter; 293 struct be_queue_info q; 294 struct be_queue_info cq; 295 struct be_rx_compl_info rxcp; 296 struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 297 struct be_rx_stats stats; 298 u8 rss_id; 299 bool rx_post_starved; /* Zero rx frags have been posted to BE */ 300 } ____cacheline_aligned_in_smp; 301 302 struct be_drv_stats { 303 u32 eth_red_drops; 304 u32 dma_map_errors; 305 u32 rx_drops_no_pbuf; 306 u32 rx_drops_no_txpb; 307 u32 rx_drops_no_erx_descr; 308 u32 rx_drops_no_tpre_descr; 309 u32 rx_drops_too_many_frags; 310 u32 forwarded_packets; 311 u32 rx_drops_mtu; 312 u32 rx_crc_errors; 313 u32 rx_alignment_symbol_errors; 314 u32 rx_pause_frames; 315 u32 rx_priority_pause_frames; 316 u32 rx_control_frames; 317 u32 rx_in_range_errors; 318 u32 rx_out_range_errors; 319 u32 rx_frame_too_long; 320 u32 rx_address_filtered; 321 u32 rx_dropped_too_small; 322 u32 rx_dropped_too_short; 323 u32 rx_dropped_header_too_small; 324 u32 rx_dropped_tcp_length; 325 u32 rx_dropped_runt; 326 u32 rx_ip_checksum_errs; 327 u32 rx_tcp_checksum_errs; 328 u32 rx_udp_checksum_errs; 329 u32 tx_pauseframes; 330 u32 tx_priority_pauseframes; 331 u32 tx_controlframes; 332 u32 rxpp_fifo_overflow_drop; 333 u32 rx_input_fifo_overflow_drop; 334 u32 pmem_fifo_overflow_drop; 335 u32 jabber_events; 336 u32 rx_roce_bytes_lsd; 337 u32 rx_roce_bytes_msd; 338 u32 rx_roce_frames; 339 u32 roce_drops_payload_len; 340 u32 roce_drops_crc; 341 }; 342 343 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 344 #define BE_RESET_VLAN_TAG_ID 0xFFFF 345 346 struct be_vf_cfg { 347 unsigned char mac_addr[ETH_ALEN]; 348 int if_handle; 349 int pmac_id; 350 u16 vlan_tag; 351 u32 tx_rate; 352 u32 plink_tracking; 353 u32 privileges; 354 bool spoofchk; 355 }; 356 357 enum vf_state { 358 ENABLED = 0, 359 ASSIGNED = 1 360 }; 361 362 #define BE_FLAGS_LINK_STATUS_INIT BIT(1) 363 #define BE_FLAGS_SRIOV_ENABLED BIT(2) 364 #define BE_FLAGS_WORKER_SCHEDULED BIT(3) 365 #define BE_FLAGS_NAPI_ENABLED BIT(6) 366 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) 367 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8) 368 #define BE_FLAGS_SETUP_DONE BIT(9) 369 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10) 370 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) 371 #define BE_FLAGS_OS2BMC BIT(12) 372 #define BE_FLAGS_TRY_RECOVERY BIT(13) 373 374 #define BE_UC_PMAC_COUNT 30 375 #define BE_VF_UC_PMAC_COUNT 2 376 377 #define MAX_ERR_RECOVERY_RETRY_COUNT 3 378 #define ERR_DETECTION_DELAY 1000 379 380 /* Ethtool set_dump flags */ 381 #define LANCER_INITIATE_FW_DUMP 0x1 382 #define LANCER_DELETE_FW_DUMP 0x2 383 384 struct phy_info { 385 /* From SFF-8472 spec */ 386 #define SFP_VENDOR_NAME_LEN 17 387 u8 transceiver; 388 u8 autoneg; 389 u8 fc_autoneg; 390 u8 port_type; 391 u16 phy_type; 392 u16 interface_type; 393 u32 misc_params; 394 u16 auto_speeds_supported; 395 u16 fixed_speeds_supported; 396 int link_speed; 397 u32 advertising; 398 u32 supported; 399 u8 cable_type; 400 u8 vendor_name[SFP_VENDOR_NAME_LEN]; 401 u8 vendor_pn[SFP_VENDOR_NAME_LEN]; 402 }; 403 404 struct be_resources { 405 u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 406 u16 max_mcast_mac; 407 u16 max_tx_qs; 408 u16 max_rss_qs; 409 u16 max_rx_qs; 410 u16 max_cq_count; 411 u16 max_uc_mac; /* Max UC MACs programmable */ 412 u16 max_vlans; /* Number of vlans supported */ 413 u16 max_iface_count; 414 u16 max_mcc_count; 415 u16 max_evt_qs; 416 u16 max_nic_evt_qs; /* NIC's share of evt qs */ 417 u32 if_cap_flags; 418 u32 vf_if_cap_flags; /* VF if capability flags */ 419 u32 flags; 420 /* Calculated PF Pool's share of RSS Tables. This is not enforced by 421 * the FW, but is a self-imposed driver limitation. 422 */ 423 u16 max_rss_tables; 424 }; 425 426 /* These are port-wide values */ 427 struct be_port_resources { 428 u16 max_vfs; 429 u16 nic_pfs; 430 }; 431 432 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) 433 434 struct rss_info { 435 u8 rsstable[RSS_INDIR_TABLE_LEN]; 436 u8 rss_queue[RSS_INDIR_TABLE_LEN]; 437 u8 rss_hkey[RSS_HASH_KEY_LEN]; 438 u64 rss_flags; 439 }; 440 441 #define BE_INVALID_DIE_TEMP 0xFF 442 struct be_hwmon { 443 struct device *hwmon_dev; 444 u8 be_on_die_temp; /* Unit: millidegree Celsius */ 445 }; 446 447 /* Macros to read/write the 'features' word of be_wrb_params structure. 448 */ 449 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT 450 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) 451 452 #define BE_WRB_F_GET(word, name) \ 453 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) 454 455 #define BE_WRB_F_SET(word, name, val) \ 456 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) 457 458 /* Feature/offload bits */ 459 enum { 460 BE_WRB_F_CRC_BIT, /* Ethernet CRC */ 461 BE_WRB_F_IPCS_BIT, /* IP csum */ 462 BE_WRB_F_TCPCS_BIT, /* TCP csum */ 463 BE_WRB_F_UDPCS_BIT, /* UDP csum */ 464 BE_WRB_F_LSO_BIT, /* LSO */ 465 BE_WRB_F_LSO6_BIT, /* LSO6 */ 466 BE_WRB_F_VLAN_BIT, /* VLAN */ 467 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ 468 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ 469 }; 470 471 /* The structure below provides a HW-agnostic abstraction of WRB params 472 * retrieved from a TX skb. This is in turn passed to chip specific routines 473 * during transmit, to set the corresponding params in the WRB. 474 */ 475 struct be_wrb_params { 476 u32 features; /* Feature bits */ 477 u16 vlan_tag; /* VLAN tag */ 478 u16 lso_mss; /* MSS for LSO */ 479 }; 480 481 struct be_eth_addr { 482 unsigned char mac[ETH_ALEN]; 483 }; 484 485 #define BE_SEC 1000 /* in msec */ 486 #define BE_MIN (60 * BE_SEC) /* in msec */ 487 #define BE_HOUR (60 * BE_MIN) /* in msec */ 488 489 #define ERR_RECOVERY_MAX_RETRY_COUNT 3 490 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC 491 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) 492 493 /* UE-detection-duration in BEx/Skyhawk: 494 * All PFs must wait for this duration after they detect UE before reading 495 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware 496 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate 497 * if the UE is recoverable. 498 */ 499 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC 500 501 /* Initial idle time (in msec) to elapse after driver load, 502 * before UE recovery is allowed. 503 */ 504 #define ERR_IDLE_HR 24 505 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) 506 507 /* Time interval (in msec) after which UE recovery can be repeated */ 508 #define ERR_INTERVAL_HR 72 509 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) 510 511 /* BEx/SH UE recovery state machine */ 512 enum { 513 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ 514 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ 515 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ 516 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ 517 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ 518 }; 519 520 struct be_error_recovery { 521 union { 522 u8 recovery_retries; /* used for Lancer */ 523 u8 recovery_state; /* used for BEx and Skyhawk */ 524 }; 525 526 /* BEx/Skyhawk error recovery variables */ 527 bool recovery_supported; 528 u16 ue_to_reset_time; /* Time after UE, to soft reset 529 * the chip - PF0 only 530 */ 531 u16 ue_to_poll_time; /* Time after UE, to Restart Polling 532 * of SLIPORT_SEMAPHORE reg 533 */ 534 u16 last_err_code; 535 unsigned long probe_time; 536 unsigned long last_recovery_time; 537 538 /* Common to both Lancer & BEx/SH error recovery */ 539 u32 resched_delay; 540 struct delayed_work err_detection_work; 541 }; 542 543 /* Ethtool priv_flags */ 544 #define BE_DISABLE_TPE_RECOVERY 0x1 545 546 struct be_vxlan_port { 547 struct list_head list; 548 __be16 port; /* VxLAN UDP dst port */ 549 int port_aliases; /* alias count */ 550 }; 551 552 struct be_adapter { 553 struct pci_dev *pdev; 554 struct net_device *netdev; 555 556 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 557 u8 __iomem *db; /* Door Bell */ 558 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ 559 560 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 561 struct be_dma_mem mbox_mem; 562 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 563 * is stored for freeing purpose */ 564 struct be_dma_mem mbox_mem_alloced; 565 566 struct be_mcc_obj mcc_obj; 567 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ 568 spinlock_t mcc_cq_lock; 569 570 u16 cfg_num_rx_irqs; /* configured via set-channels */ 571 u16 cfg_num_tx_irqs; /* configured via set-channels */ 572 u16 num_evt_qs; 573 u16 num_msix_vec; 574 struct be_eq_obj eq_obj[MAX_EVT_QS]; 575 struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 576 bool isr_registered; 577 578 /* TX Rings */ 579 u16 num_tx_qs; 580 struct be_tx_obj tx_obj[MAX_TX_QS]; 581 582 /* Rx rings */ 583 u16 num_rx_qs; 584 u16 num_rss_qs; 585 u16 need_def_rxq; 586 struct be_rx_obj rx_obj[MAX_RX_QS]; 587 u32 big_page_size; /* Compounded page size shared by rx wrbs */ 588 589 struct be_drv_stats drv_stats; 590 struct be_aic_obj aic_obj[MAX_EVT_QS]; 591 bool aic_enabled; 592 u8 vlan_prio_bmap; /* Available Priority BitMap */ 593 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ 594 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 595 596 struct be_dma_mem stats_cmd; 597 /* Work queue used to perform periodic tasks like getting statistics */ 598 struct delayed_work work; 599 u16 work_counter; 600 601 u8 recovery_retries; 602 u8 err_flags; 603 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ 604 u32 flags; 605 u32 cmd_privileges; 606 /* Ethtool knobs and info */ 607 char fw_ver[FW_VER_LEN]; 608 char fw_on_flash[FW_VER_LEN]; 609 610 /* IFACE filtering fields */ 611 int if_handle; /* Used to configure filtering */ 612 u32 if_flags; /* Interface filtering flags */ 613 u32 *pmac_id; /* MAC addr handle used by BE card */ 614 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ 615 u32 uc_macs; /* Count of secondary UC MAC programmed */ 616 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ 617 u32 mc_count; 618 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 619 u16 vlans_added; 620 bool update_uc_list; 621 bool update_mc_list; 622 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ 623 624 u32 beacon_state; /* for set_phys_id */ 625 626 u32 port_num; 627 char port_name; 628 u8 mc_type; 629 u32 function_mode; 630 u32 function_caps; 631 u32 rx_fc; /* Rx flow control */ 632 u32 tx_fc; /* Tx flow control */ 633 bool stats_cmd_sent; 634 struct { 635 u32 size; 636 u32 total_size; 637 u64 io_addr; 638 } roce_db; 639 u32 num_msix_roce_vec; 640 struct ocrdma_dev *ocrdma_dev; 641 struct list_head entry; 642 643 u32 flash_status; 644 struct completion et_cmd_compl; 645 646 struct be_resources pool_res; /* resources available for the port */ 647 struct be_resources res; /* resources available for the func */ 648 u16 num_vfs; /* Number of VFs provisioned by PF */ 649 u8 pf_num; /* Numbering used by FW, starts at 0 */ 650 u8 vf_num; /* Numbering used by FW, starts at 1 */ 651 u8 virtfn; 652 struct be_vf_cfg *vf_cfg; 653 bool be3_native; 654 u32 sli_family; 655 u8 hba_port_num; 656 u16 pvid; 657 __be16 vxlan_port; /* offloaded vxlan port num */ 658 int vxlan_port_count; /* active vxlan port count */ 659 struct list_head vxlan_port_list; /* vxlan port list */ 660 struct phy_info phy; 661 u8 wol_cap; 662 bool wol_en; 663 u16 asic_rev; 664 u16 qnq_vid; 665 u32 msg_enable; 666 int be_get_temp_freq; 667 struct be_hwmon hwmon_info; 668 struct rss_info rss_info; 669 /* Filters for packets that need to be sent to BMC */ 670 u32 bmc_filt_mask; 671 u32 fat_dump_len; 672 u16 serial_num[CNTL_SERIAL_NUM_WORDS]; 673 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ 674 u8 dev_mac[ETH_ALEN]; 675 u32 priv_flags; /* ethtool get/set_priv_flags() */ 676 struct be_error_recovery error_recovery; 677 }; 678 679 /* Used for defered FW config cmds. Add fields to this struct as reqd */ 680 struct be_cmd_work { 681 struct work_struct work; 682 struct be_adapter *adapter; 683 union { 684 __be16 vxlan_port; 685 } info; 686 }; 687 688 #define be_physfn(adapter) (!adapter->virtfn) 689 #define be_virtfn(adapter) (adapter->virtfn) 690 #define sriov_enabled(adapter) (adapter->flags & \ 691 BE_FLAGS_SRIOV_ENABLED) 692 693 #define for_all_vfs(adapter, vf_cfg, i) \ 694 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 695 i++, vf_cfg++) 696 697 #define ON 1 698 #define OFF 0 699 700 #define be_max_vlans(adapter) (adapter->res.max_vlans) 701 #define be_max_uc(adapter) (adapter->res.max_uc_mac) 702 #define be_max_mc(adapter) (adapter->res.max_mcast_mac) 703 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 704 #define be_max_rss(adapter) (adapter->res.max_rss_qs) 705 #define be_max_txqs(adapter) (adapter->res.max_tx_qs) 706 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 707 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 708 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ 709 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) 710 /* Max number of EQs available avaialble only for NIC */ 711 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) 712 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 713 #define be_max_pf_pool_rss_tables(adapter) \ 714 (adapter->pool_res.max_rss_tables) 715 /* Max irqs avaialble for NIC */ 716 #define be_max_irqs(adapter) \ 717 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) 718 719 /* Max irqs *needed* for RX queues */ 720 static inline u16 be_max_rx_irqs(struct be_adapter *adapter) 721 { 722 /* If no RSS, need atleast one irq for def-RXQ */ 723 u16 num = max_t(u16, be_max_rss(adapter), 1); 724 725 return min_t(u16, num, be_max_irqs(adapter)); 726 } 727 728 /* Max irqs *needed* for TX queues */ 729 static inline u16 be_max_tx_irqs(struct be_adapter *adapter) 730 { 731 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); 732 } 733 734 /* Max irqs *needed* for combined queues */ 735 static inline u16 be_max_qp_irqs(struct be_adapter *adapter) 736 { 737 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 738 } 739 740 /* Max irqs *needed* for RX and TX queues together */ 741 static inline u16 be_max_any_irqs(struct be_adapter *adapter) 742 { 743 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 744 } 745 746 /* Is BE in pvid_tagging mode */ 747 #define be_pvid_tagging_enabled(adapter) (adapter->pvid) 748 749 /* Is BE in QNQ multi-channel mode */ 750 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 751 752 #ifdef CONFIG_BE2NET_LANCER 753 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 754 adapter->pdev->device == OC_DEVICE_ID4) 755 #else 756 #define lancer_chip(adapter) (0) 757 #endif /* CONFIG_BE2NET_LANCER */ 758 759 #ifdef CONFIG_BE2NET_SKYHAWK 760 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 761 adapter->pdev->device == OC_DEVICE_ID6) 762 #else 763 #define skyhawk_chip(adapter) (0) 764 #endif /* CONFIG_BE2NET_SKYHAWK */ 765 766 #ifdef CONFIG_BE2NET_BE3 767 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 768 adapter->pdev->device == OC_DEVICE_ID2) 769 #else 770 #define BE3_chip(adapter) (0) 771 #endif /* CONFIG_BE2NET_BE3 */ 772 773 #ifdef CONFIG_BE2NET_BE2 774 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 775 adapter->pdev->device == OC_DEVICE_ID1) 776 #else 777 #define BE2_chip(adapter) (0) 778 #endif /* CONFIG_BE2NET_BE2 */ 779 780 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 781 782 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 783 (adapter->function_mode & RDMA_ENABLED)) 784 785 extern const struct ethtool_ops be_ethtool_ops; 786 787 #define msix_enabled(adapter) (adapter->num_msix_vec > 0) 788 #define num_irqs(adapter) (msix_enabled(adapter) ? \ 789 adapter->num_msix_vec : 1) 790 #define tx_stats(txo) (&(txo)->stats) 791 #define rx_stats(rxo) (&(rxo)->stats) 792 793 /* The default RXQ is the last RXQ */ 794 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 795 796 #define for_all_rx_queues(adapter, rxo, i) \ 797 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 798 i++, rxo++) 799 800 #define for_all_rss_queues(adapter, rxo, i) \ 801 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ 802 i++, rxo++) 803 804 #define for_all_tx_queues(adapter, txo, i) \ 805 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 806 i++, txo++) 807 808 #define for_all_evt_queues(adapter, eqo, i) \ 809 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 810 i++, eqo++) 811 812 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 813 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 814 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 815 816 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ 817 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ 818 i += adapter->num_evt_qs, txo += adapter->num_evt_qs) 819 820 #define is_mcc_eqo(eqo) (eqo->idx == 0) 821 #define mcc_eqo(adapter) (&adapter->eq_obj[0]) 822 823 #define PAGE_SHIFT_4K 12 824 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 825 826 /* Returns number of pages spanned by the data starting at the given addr */ 827 #define PAGES_4K_SPANNED(_address, size) \ 828 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 829 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 830 831 /* Returns bit offset within a DWORD of a bitfield */ 832 #define AMAP_BIT_OFFSET(_struct, field) \ 833 (((size_t)&(((_struct *)0)->field))%32) 834 835 /* Returns the bit mask of the field that is NOT shifted into location. */ 836 static inline u32 amap_mask(u32 bitsize) 837 { 838 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 839 } 840 841 static inline void 842 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 843 { 844 u32 *dw = (u32 *) ptr + dw_offset; 845 *dw &= ~(mask << offset); 846 *dw |= (mask & value) << offset; 847 } 848 849 #define AMAP_SET_BITS(_struct, field, ptr, val) \ 850 amap_set(ptr, \ 851 offsetof(_struct, field)/32, \ 852 amap_mask(sizeof(((_struct *)0)->field)), \ 853 AMAP_BIT_OFFSET(_struct, field), \ 854 val) 855 856 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 857 { 858 u32 *dw = (u32 *) ptr; 859 return mask & (*(dw + dw_offset) >> offset); 860 } 861 862 #define AMAP_GET_BITS(_struct, field, ptr) \ 863 amap_get(ptr, \ 864 offsetof(_struct, field)/32, \ 865 amap_mask(sizeof(((_struct *)0)->field)), \ 866 AMAP_BIT_OFFSET(_struct, field)) 867 868 #define GET_RX_COMPL_V0_BITS(field, ptr) \ 869 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) 870 871 #define GET_RX_COMPL_V1_BITS(field, ptr) \ 872 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) 873 874 #define GET_TX_COMPL_BITS(field, ptr) \ 875 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) 876 877 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \ 878 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) 879 880 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 881 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 882 static inline void swap_dws(void *wrb, int len) 883 { 884 #ifdef __BIG_ENDIAN 885 u32 *dw = wrb; 886 BUG_ON(len % 4); 887 do { 888 *dw = cpu_to_le32(*dw); 889 dw++; 890 len -= 4; 891 } while (len); 892 #endif /* __BIG_ENDIAN */ 893 } 894 895 #define be_cmd_status(status) (status > 0 ? -EIO : status) 896 897 static inline u8 is_tcp_pkt(struct sk_buff *skb) 898 { 899 u8 val = 0; 900 901 if (ip_hdr(skb)->version == 4) 902 val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 903 else if (ip_hdr(skb)->version == 6) 904 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 905 906 return val; 907 } 908 909 static inline u8 is_udp_pkt(struct sk_buff *skb) 910 { 911 u8 val = 0; 912 913 if (ip_hdr(skb)->version == 4) 914 val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 915 else if (ip_hdr(skb)->version == 6) 916 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 917 918 return val; 919 } 920 921 static inline bool is_ipv4_pkt(struct sk_buff *skb) 922 { 923 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 924 } 925 926 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) 927 { 928 if (ip_hdr(skb)->version == 6) 929 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); 930 else 931 return false; 932 } 933 934 #define be_error_recovering(adapter) \ 935 (adapter->flags & BE_FLAGS_TRY_RECOVERY) 936 937 #define BE_ERROR_EEH 1 938 #define BE_ERROR_UE BIT(1) 939 #define BE_ERROR_FW BIT(2) 940 #define BE_ERROR_TX BIT(3) 941 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX) 942 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \ 943 BE_ERROR_TX) 944 #define BE_CLEAR_ALL 0xFF 945 946 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) 947 { 948 return (adapter->err_flags & err_type); 949 } 950 951 static inline void be_set_error(struct be_adapter *adapter, int err_type) 952 { 953 struct net_device *netdev = adapter->netdev; 954 955 adapter->err_flags |= err_type; 956 netif_carrier_off(netdev); 957 958 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); 959 } 960 961 static inline void be_clear_error(struct be_adapter *adapter, int err_type) 962 { 963 adapter->err_flags &= ~err_type; 964 } 965 966 static inline bool be_multi_rxq(const struct be_adapter *adapter) 967 { 968 return adapter->num_rx_qs > 1; 969 } 970 971 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 972 u16 num_popped); 973 void be_link_status_update(struct be_adapter *adapter, u8 link_status); 974 void be_parse_stats(struct be_adapter *adapter); 975 int be_load_fw(struct be_adapter *adapter, u8 *func); 976 bool be_is_wol_supported(struct be_adapter *adapter); 977 bool be_pause_supported(struct be_adapter *adapter); 978 u32 be_get_fw_log_level(struct be_adapter *adapter); 979 int be_update_queues(struct be_adapter *adapter); 980 int be_poll(struct napi_struct *napi, int budget); 981 void be_eqd_update(struct be_adapter *adapter, bool force_update); 982 983 /* 984 * internal function to initialize-cleanup roce device. 985 */ 986 void be_roce_dev_add(struct be_adapter *); 987 void be_roce_dev_remove(struct be_adapter *); 988 989 /* 990 * internal function to open-close roce device during ifup-ifdown. 991 */ 992 void be_roce_dev_shutdown(struct be_adapter *); 993 994 #endif /* BE_H */ 995