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