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