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