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 "12.0.0.0" 41 #define DRV_NAME "be2net" 42 #define BE_NAME "Emulex BladeEngine2" 43 #define BE3_NAME "Emulex BladeEngine3" 44 #define OC_NAME "Emulex OneConnect" 45 #define OC_NAME_BE OC_NAME "(be3)" 46 #define OC_NAME_LANCER OC_NAME "(Lancer)" 47 #define OC_NAME_SH OC_NAME "(Skyhawk)" 48 #define DRV_DESC "Emulex OneConnect NIC Driver" 49 50 #define BE_VENDOR_ID 0x19a2 51 #define EMULEX_VENDOR_ID 0x10df 52 #define BE_DEVICE_ID1 0x211 53 #define BE_DEVICE_ID2 0x221 54 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ 55 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ 56 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ 57 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ 58 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ 59 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ 60 #define OC_SUBSYS_DEVICE_ID1 0xE602 61 #define OC_SUBSYS_DEVICE_ID2 0xE642 62 #define OC_SUBSYS_DEVICE_ID3 0xE612 63 #define OC_SUBSYS_DEVICE_ID4 0xE652 64 65 /* Number of bytes of an RX frame that are copied to skb->data */ 66 #define BE_HDR_LEN ((u16) 64) 67 /* allocate extra space to allow tunneling decapsulation without head reallocation */ 68 #define BE_RX_SKB_ALLOC_SIZE 256 69 70 #define BE_MAX_JUMBO_FRAME_SIZE 9018 71 #define BE_MIN_MTU 256 72 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ 73 (ETH_HLEN + ETH_FCS_LEN)) 74 75 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ 76 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) 77 78 #define BE_NUM_VLANS_SUPPORTED 64 79 #define BE_MAX_EQD 128u 80 #define BE_MAX_TX_FRAG_COUNT 30 81 82 #define EVNT_Q_LEN 1024 83 #define TX_Q_LEN 2048 84 #define TX_CQ_LEN 1024 85 #define RX_Q_LEN 1024 /* Does not support any other value */ 86 #define RX_CQ_LEN 1024 87 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ 88 #define MCC_CQ_LEN 256 89 90 #define BE2_MAX_RSS_QS 4 91 #define BE3_MAX_RSS_QS 16 92 #define BE3_MAX_TX_QS 16 93 #define BE3_MAX_EVT_QS 16 94 #define BE3_SRIOV_MAX_EVT_QS 8 95 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs 96 * and at least 1 is granted to either 97 * SURF/DPDK 98 */ 99 100 #define MAX_PORT_RSS_TABLES 15 101 #define MAX_NIC_FUNCS 16 102 #define MAX_RX_QS 32 103 #define MAX_EVT_QS 32 104 #define MAX_TX_QS 32 105 106 #define MAX_ROCE_EQS 5 107 #define MAX_MSIX_VECTORS 32 108 #define MIN_MSIX_VECTORS 1 109 #define BE_NAPI_WEIGHT 64 110 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ 111 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) 112 #define MAX_NUM_POST_ERX_DB 255u 113 114 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */ 115 #define FW_VER_LEN 32 116 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ 117 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ 118 119 #define RSS_INDIR_TABLE_LEN 128 120 #define RSS_HASH_KEY_LEN 40 121 122 #define BE_UNKNOWN_PHY_STATE 0xFF 123 124 struct be_dma_mem { 125 void *va; 126 dma_addr_t dma; 127 u32 size; 128 }; 129 130 struct be_queue_info { 131 u32 len; 132 u32 entry_size; /* Size of an element in the queue */ 133 u32 tail, head; 134 atomic_t used; /* Number of valid elements in the queue */ 135 u32 id; 136 struct be_dma_mem dma_mem; 137 bool created; 138 }; 139 140 static inline u32 MODULO(u32 val, u32 limit) 141 { 142 BUG_ON(limit & (limit - 1)); 143 return val & (limit - 1); 144 } 145 146 static inline void index_adv(u32 *index, u32 val, u32 limit) 147 { 148 *index = MODULO((*index + val), limit); 149 } 150 151 static inline void index_inc(u32 *index, u32 limit) 152 { 153 *index = MODULO((*index + 1), limit); 154 } 155 156 static inline void *queue_head_node(struct be_queue_info *q) 157 { 158 return q->dma_mem.va + q->head * q->entry_size; 159 } 160 161 static inline void *queue_tail_node(struct be_queue_info *q) 162 { 163 return q->dma_mem.va + q->tail * q->entry_size; 164 } 165 166 static inline void *queue_index_node(struct be_queue_info *q, u16 index) 167 { 168 return q->dma_mem.va + index * q->entry_size; 169 } 170 171 static inline void queue_head_inc(struct be_queue_info *q) 172 { 173 index_inc(&q->head, q->len); 174 } 175 176 static inline void index_dec(u32 *index, u32 limit) 177 { 178 *index = MODULO((*index - 1), limit); 179 } 180 181 static inline void queue_tail_inc(struct be_queue_info *q) 182 { 183 index_inc(&q->tail, q->len); 184 } 185 186 struct be_eq_obj { 187 struct be_queue_info q; 188 char desc[32]; 189 190 struct be_adapter *adapter; 191 struct napi_struct napi; 192 u8 idx; /* array index */ 193 u8 msix_idx; 194 u16 spurious_intr; 195 cpumask_var_t affinity_mask; 196 } ____cacheline_aligned_in_smp; 197 198 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ 199 bool enable; 200 u32 min_eqd; /* in usecs */ 201 u32 max_eqd; /* in usecs */ 202 u32 prev_eqd; /* in usecs */ 203 u32 et_eqd; /* configured val when aic is off */ 204 ulong jiffies; 205 u64 rx_pkts_prev; /* Used to calculate RX pps */ 206 u64 tx_reqs_prev; /* Used to calculate TX pps */ 207 }; 208 209 struct be_mcc_obj { 210 struct be_queue_info q; 211 struct be_queue_info cq; 212 bool rearm_cq; 213 }; 214 215 struct be_tx_stats { 216 u64 tx_bytes; 217 u64 tx_pkts; 218 u64 tx_vxlan_offload_pkts; 219 u64 tx_reqs; 220 u64 tx_compl; 221 u32 tx_stops; 222 u32 tx_drv_drops; /* pkts dropped by driver */ 223 /* the error counters are described in be_ethtool.c */ 224 u32 tx_hdr_parse_err; 225 u32 tx_dma_err; 226 u32 tx_tso_err; 227 u32 tx_spoof_check_err; 228 u32 tx_qinq_err; 229 u32 tx_internal_parity_err; 230 u32 tx_sge_err; 231 struct u64_stats_sync sync; 232 struct u64_stats_sync sync_compl; 233 }; 234 235 /* Structure to hold some data of interest obtained from a TX CQE */ 236 struct be_tx_compl_info { 237 u8 status; /* Completion status */ 238 u16 end_index; /* Completed TXQ Index */ 239 }; 240 241 struct be_tx_obj { 242 u32 db_offset; 243 struct be_tx_compl_info txcp; 244 struct be_queue_info q; 245 struct be_queue_info cq; 246 /* Remember the skbs that were transmitted */ 247 struct sk_buff *sent_skb_list[TX_Q_LEN]; 248 struct be_tx_stats stats; 249 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ 250 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ 251 u16 last_req_hdr; /* index of the last req's hdr-wrb */ 252 } ____cacheline_aligned_in_smp; 253 254 /* Struct to remember the pages posted for rx frags */ 255 struct be_rx_page_info { 256 struct page *page; 257 /* set to page-addr for last frag of the page & frag-addr otherwise */ 258 DEFINE_DMA_UNMAP_ADDR(bus); 259 u16 page_offset; 260 bool last_frag; /* last frag of the page */ 261 }; 262 263 struct be_rx_stats { 264 u64 rx_bytes; 265 u64 rx_pkts; 266 u64 rx_vxlan_offload_pkts; 267 u32 rx_drops_no_skbs; /* skb allocation errors */ 268 u32 rx_drops_no_frags; /* HW has no fetched frags */ 269 u32 rx_post_fail; /* page post alloc failures */ 270 u32 rx_compl; 271 u32 rx_mcast_pkts; 272 u32 rx_compl_err; /* completions with err set */ 273 struct u64_stats_sync sync; 274 }; 275 276 struct be_rx_compl_info { 277 u32 rss_hash; 278 u16 vlan_tag; 279 u16 pkt_size; 280 u16 port; 281 u8 vlanf; 282 u8 num_rcvd; 283 u8 err; 284 u8 ipf; 285 u8 tcpf; 286 u8 udpf; 287 u8 ip_csum; 288 u8 l4_csum; 289 u8 ipv6; 290 u8 qnq; 291 u8 pkt_type; 292 u8 ip_frag; 293 u8 tunneled; 294 }; 295 296 struct be_rx_obj { 297 struct be_adapter *adapter; 298 struct be_queue_info q; 299 struct be_queue_info cq; 300 struct be_rx_compl_info rxcp; 301 struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 302 struct be_rx_stats stats; 303 u8 rss_id; 304 bool rx_post_starved; /* Zero rx frags have been posted to BE */ 305 } ____cacheline_aligned_in_smp; 306 307 struct be_drv_stats { 308 u32 eth_red_drops; 309 u32 dma_map_errors; 310 u32 rx_drops_no_pbuf; 311 u32 rx_drops_no_txpb; 312 u32 rx_drops_no_erx_descr; 313 u32 rx_drops_no_tpre_descr; 314 u32 rx_drops_too_many_frags; 315 u32 forwarded_packets; 316 u32 rx_drops_mtu; 317 u32 rx_crc_errors; 318 u32 rx_alignment_symbol_errors; 319 u32 rx_pause_frames; 320 u32 rx_priority_pause_frames; 321 u32 rx_control_frames; 322 u32 rx_in_range_errors; 323 u32 rx_out_range_errors; 324 u32 rx_frame_too_long; 325 u32 rx_address_filtered; 326 u32 rx_dropped_too_small; 327 u32 rx_dropped_too_short; 328 u32 rx_dropped_header_too_small; 329 u32 rx_dropped_tcp_length; 330 u32 rx_dropped_runt; 331 u32 rx_ip_checksum_errs; 332 u32 rx_tcp_checksum_errs; 333 u32 rx_udp_checksum_errs; 334 u32 tx_pauseframes; 335 u32 tx_priority_pauseframes; 336 u32 tx_controlframes; 337 u32 rxpp_fifo_overflow_drop; 338 u32 rx_input_fifo_overflow_drop; 339 u32 pmem_fifo_overflow_drop; 340 u32 jabber_events; 341 u32 rx_roce_bytes_lsd; 342 u32 rx_roce_bytes_msd; 343 u32 rx_roce_frames; 344 u32 roce_drops_payload_len; 345 u32 roce_drops_crc; 346 }; 347 348 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 349 #define BE_RESET_VLAN_TAG_ID 0xFFFF 350 351 struct be_vf_cfg { 352 unsigned char mac_addr[ETH_ALEN]; 353 int if_handle; 354 int pmac_id; 355 u16 vlan_tag; 356 u32 tx_rate; 357 u32 plink_tracking; 358 u32 privileges; 359 bool spoofchk; 360 }; 361 362 enum vf_state { 363 ENABLED = 0, 364 ASSIGNED = 1 365 }; 366 367 #define BE_FLAGS_LINK_STATUS_INIT BIT(1) 368 #define BE_FLAGS_SRIOV_ENABLED BIT(2) 369 #define BE_FLAGS_WORKER_SCHEDULED BIT(3) 370 #define BE_FLAGS_NAPI_ENABLED BIT(6) 371 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) 372 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8) 373 #define BE_FLAGS_SETUP_DONE BIT(9) 374 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10) 375 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) 376 #define BE_FLAGS_OS2BMC BIT(12) 377 #define BE_FLAGS_TRY_RECOVERY BIT(13) 378 379 #define BE_UC_PMAC_COUNT 30 380 #define BE_VF_UC_PMAC_COUNT 2 381 382 #define MAX_ERR_RECOVERY_RETRY_COUNT 3 383 #define ERR_DETECTION_DELAY 1000 384 385 /* Ethtool set_dump flags */ 386 #define LANCER_INITIATE_FW_DUMP 0x1 387 #define LANCER_DELETE_FW_DUMP 0x2 388 389 struct phy_info { 390 /* From SFF-8472 spec */ 391 #define SFP_VENDOR_NAME_LEN 17 392 u8 transceiver; 393 u8 autoneg; 394 u8 fc_autoneg; 395 u8 port_type; 396 u16 phy_type; 397 u16 interface_type; 398 u32 misc_params; 399 u16 auto_speeds_supported; 400 u16 fixed_speeds_supported; 401 int link_speed; 402 u32 advertising; 403 u32 supported; 404 u8 cable_type; 405 u8 vendor_name[SFP_VENDOR_NAME_LEN]; 406 u8 vendor_pn[SFP_VENDOR_NAME_LEN]; 407 }; 408 409 struct be_resources { 410 u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 411 u16 max_mcast_mac; 412 u16 max_tx_qs; 413 u16 max_rss_qs; 414 u16 max_rx_qs; 415 u16 max_cq_count; 416 u16 max_uc_mac; /* Max UC MACs programmable */ 417 u16 max_vlans; /* Number of vlans supported */ 418 u16 max_iface_count; 419 u16 max_mcc_count; 420 u16 max_evt_qs; 421 u16 max_nic_evt_qs; /* NIC's share of evt qs */ 422 u32 if_cap_flags; 423 u32 vf_if_cap_flags; /* VF if capability flags */ 424 u32 flags; 425 /* Calculated PF Pool's share of RSS Tables. This is not enforced by 426 * the FW, but is a self-imposed driver limitation. 427 */ 428 u16 max_rss_tables; 429 }; 430 431 /* These are port-wide values */ 432 struct be_port_resources { 433 u16 max_vfs; 434 u16 nic_pfs; 435 }; 436 437 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) 438 439 struct rss_info { 440 u8 rsstable[RSS_INDIR_TABLE_LEN]; 441 u8 rss_queue[RSS_INDIR_TABLE_LEN]; 442 u8 rss_hkey[RSS_HASH_KEY_LEN]; 443 u64 rss_flags; 444 }; 445 446 #define BE_INVALID_DIE_TEMP 0xFF 447 struct be_hwmon { 448 struct device *hwmon_dev; 449 u8 be_on_die_temp; /* Unit: millidegree Celsius */ 450 }; 451 452 /* Macros to read/write the 'features' word of be_wrb_params structure. 453 */ 454 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT 455 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) 456 457 #define BE_WRB_F_GET(word, name) \ 458 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) 459 460 #define BE_WRB_F_SET(word, name, val) \ 461 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) 462 463 /* Feature/offload bits */ 464 enum { 465 BE_WRB_F_CRC_BIT, /* Ethernet CRC */ 466 BE_WRB_F_IPCS_BIT, /* IP csum */ 467 BE_WRB_F_TCPCS_BIT, /* TCP csum */ 468 BE_WRB_F_UDPCS_BIT, /* UDP csum */ 469 BE_WRB_F_LSO_BIT, /* LSO */ 470 BE_WRB_F_LSO6_BIT, /* LSO6 */ 471 BE_WRB_F_VLAN_BIT, /* VLAN */ 472 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ 473 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ 474 }; 475 476 /* The structure below provides a HW-agnostic abstraction of WRB params 477 * retrieved from a TX skb. This is in turn passed to chip specific routines 478 * during transmit, to set the corresponding params in the WRB. 479 */ 480 struct be_wrb_params { 481 u32 features; /* Feature bits */ 482 u16 vlan_tag; /* VLAN tag */ 483 u16 lso_mss; /* MSS for LSO */ 484 }; 485 486 struct be_eth_addr { 487 unsigned char mac[ETH_ALEN]; 488 }; 489 490 #define BE_SEC 1000 /* in msec */ 491 #define BE_MIN (60 * BE_SEC) /* in msec */ 492 #define BE_HOUR (60 * BE_MIN) /* in msec */ 493 494 #define ERR_RECOVERY_MAX_RETRY_COUNT 3 495 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC 496 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) 497 498 /* UE-detection-duration in BEx/Skyhawk: 499 * All PFs must wait for this duration after they detect UE before reading 500 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware 501 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate 502 * if the UE is recoverable. 503 */ 504 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC 505 506 /* Initial idle time (in msec) to elapse after driver load, 507 * before UE recovery is allowed. 508 */ 509 #define ERR_IDLE_HR 24 510 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) 511 512 /* Time interval (in msec) after which UE recovery can be repeated */ 513 #define ERR_INTERVAL_HR 72 514 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) 515 516 /* BEx/SH UE recovery state machine */ 517 enum { 518 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ 519 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ 520 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ 521 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ 522 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ 523 }; 524 525 struct be_error_recovery { 526 union { 527 u8 recovery_retries; /* used for Lancer */ 528 u8 recovery_state; /* used for BEx and Skyhawk */ 529 }; 530 531 /* BEx/Skyhawk error recovery variables */ 532 bool recovery_supported; 533 u16 ue_to_reset_time; /* Time after UE, to soft reset 534 * the chip - PF0 only 535 */ 536 u16 ue_to_poll_time; /* Time after UE, to Restart Polling 537 * of SLIPORT_SEMAPHORE reg 538 */ 539 u16 last_err_code; 540 unsigned long probe_time; 541 unsigned long last_recovery_time; 542 543 /* Common to both Lancer & BEx/SH error recovery */ 544 u32 resched_delay; 545 struct delayed_work err_detection_work; 546 }; 547 548 /* Ethtool priv_flags */ 549 #define BE_DISABLE_TPE_RECOVERY 0x1 550 551 struct be_vxlan_port { 552 struct list_head list; 553 __be16 port; /* VxLAN UDP dst port */ 554 int port_aliases; /* alias count */ 555 }; 556 557 struct be_adapter { 558 struct pci_dev *pdev; 559 struct net_device *netdev; 560 561 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 562 u8 __iomem *db; /* Door Bell */ 563 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ 564 565 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 566 struct be_dma_mem mbox_mem; 567 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 568 * is stored for freeing purpose */ 569 struct be_dma_mem mbox_mem_alloced; 570 571 struct be_mcc_obj mcc_obj; 572 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ 573 spinlock_t mcc_cq_lock; 574 575 u16 cfg_num_rx_irqs; /* configured via set-channels */ 576 u16 cfg_num_tx_irqs; /* configured via set-channels */ 577 u16 num_evt_qs; 578 u16 num_msix_vec; 579 struct be_eq_obj eq_obj[MAX_EVT_QS]; 580 struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 581 bool isr_registered; 582 583 /* TX Rings */ 584 u16 num_tx_qs; 585 struct be_tx_obj tx_obj[MAX_TX_QS]; 586 587 /* Rx rings */ 588 u16 num_rx_qs; 589 u16 num_rss_qs; 590 u16 need_def_rxq; 591 struct be_rx_obj rx_obj[MAX_RX_QS]; 592 u32 big_page_size; /* Compounded page size shared by rx wrbs */ 593 594 struct be_drv_stats drv_stats; 595 struct be_aic_obj aic_obj[MAX_EVT_QS]; 596 u8 vlan_prio_bmap; /* Available Priority BitMap */ 597 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ 598 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 599 600 struct be_dma_mem stats_cmd; 601 /* Work queue used to perform periodic tasks like getting statistics */ 602 struct delayed_work work; 603 u16 work_counter; 604 605 u8 recovery_retries; 606 u8 err_flags; 607 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ 608 u32 flags; 609 u32 cmd_privileges; 610 /* Ethtool knobs and info */ 611 char fw_ver[FW_VER_LEN]; 612 char fw_on_flash[FW_VER_LEN]; 613 614 /* IFACE filtering fields */ 615 int if_handle; /* Used to configure filtering */ 616 u32 if_flags; /* Interface filtering flags */ 617 u32 *pmac_id; /* MAC addr handle used by BE card */ 618 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ 619 u32 uc_macs; /* Count of secondary UC MAC programmed */ 620 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ 621 u32 mc_count; 622 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 623 u16 vlans_added; 624 bool update_uc_list; 625 bool update_mc_list; 626 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ 627 628 u32 beacon_state; /* for set_phys_id */ 629 630 u32 port_num; 631 char port_name; 632 u8 mc_type; 633 u32 function_mode; 634 u32 function_caps; 635 u32 rx_fc; /* Rx flow control */ 636 u32 tx_fc; /* Tx flow control */ 637 bool stats_cmd_sent; 638 struct { 639 u32 size; 640 u32 total_size; 641 u64 io_addr; 642 } roce_db; 643 u32 num_msix_roce_vec; 644 struct ocrdma_dev *ocrdma_dev; 645 struct list_head entry; 646 647 u32 flash_status; 648 struct completion et_cmd_compl; 649 650 struct be_resources pool_res; /* resources available for the port */ 651 struct be_resources res; /* resources available for the func */ 652 u16 num_vfs; /* Number of VFs provisioned by PF */ 653 u8 pf_num; /* Numbering used by FW, starts at 0 */ 654 u8 vf_num; /* Numbering used by FW, starts at 1 */ 655 u8 virtfn; 656 struct be_vf_cfg *vf_cfg; 657 bool be3_native; 658 u32 sli_family; 659 u8 hba_port_num; 660 u16 pvid; 661 __be16 vxlan_port; /* offloaded vxlan port num */ 662 int vxlan_port_count; /* active vxlan port count */ 663 struct list_head vxlan_port_list; /* vxlan port list */ 664 struct phy_info phy; 665 u8 wol_cap; 666 bool wol_en; 667 u16 asic_rev; 668 u16 qnq_vid; 669 u32 msg_enable; 670 int be_get_temp_freq; 671 struct be_hwmon hwmon_info; 672 struct rss_info rss_info; 673 /* Filters for packets that need to be sent to BMC */ 674 u32 bmc_filt_mask; 675 u32 fat_dump_len; 676 u16 serial_num[CNTL_SERIAL_NUM_WORDS]; 677 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ 678 u8 dev_mac[ETH_ALEN]; 679 u32 priv_flags; /* ethtool get/set_priv_flags() */ 680 struct be_error_recovery error_recovery; 681 }; 682 683 /* Used for defered FW config cmds. Add fields to this struct as reqd */ 684 struct be_cmd_work { 685 struct work_struct work; 686 struct be_adapter *adapter; 687 union { 688 __be16 vxlan_port; 689 } info; 690 }; 691 692 #define be_physfn(adapter) (!adapter->virtfn) 693 #define be_virtfn(adapter) (adapter->virtfn) 694 #define sriov_enabled(adapter) (adapter->flags & \ 695 BE_FLAGS_SRIOV_ENABLED) 696 697 #define for_all_vfs(adapter, vf_cfg, i) \ 698 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 699 i++, vf_cfg++) 700 701 #define ON 1 702 #define OFF 0 703 704 #define be_max_vlans(adapter) (adapter->res.max_vlans) 705 #define be_max_uc(adapter) (adapter->res.max_uc_mac) 706 #define be_max_mc(adapter) (adapter->res.max_mcast_mac) 707 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 708 #define be_max_rss(adapter) (adapter->res.max_rss_qs) 709 #define be_max_txqs(adapter) (adapter->res.max_tx_qs) 710 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 711 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 712 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ 713 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) 714 /* Max number of EQs available avaialble only for NIC */ 715 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) 716 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 717 #define be_max_pf_pool_rss_tables(adapter) \ 718 (adapter->pool_res.max_rss_tables) 719 /* Max irqs avaialble for NIC */ 720 #define be_max_irqs(adapter) \ 721 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) 722 723 /* Max irqs *needed* for RX queues */ 724 static inline u16 be_max_rx_irqs(struct be_adapter *adapter) 725 { 726 /* If no RSS, need atleast one irq for def-RXQ */ 727 u16 num = max_t(u16, be_max_rss(adapter), 1); 728 729 return min_t(u16, num, be_max_irqs(adapter)); 730 } 731 732 /* Max irqs *needed* for TX queues */ 733 static inline u16 be_max_tx_irqs(struct be_adapter *adapter) 734 { 735 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); 736 } 737 738 /* Max irqs *needed* for combined queues */ 739 static inline u16 be_max_qp_irqs(struct be_adapter *adapter) 740 { 741 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 742 } 743 744 /* Max irqs *needed* for RX and TX queues together */ 745 static inline u16 be_max_any_irqs(struct be_adapter *adapter) 746 { 747 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 748 } 749 750 /* Is BE in pvid_tagging mode */ 751 #define be_pvid_tagging_enabled(adapter) (adapter->pvid) 752 753 /* Is BE in QNQ multi-channel mode */ 754 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 755 756 #ifdef CONFIG_BE2NET_LANCER 757 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 758 adapter->pdev->device == OC_DEVICE_ID4) 759 #else 760 #define lancer_chip(adapter) (0) 761 #endif /* CONFIG_BE2NET_LANCER */ 762 763 #ifdef CONFIG_BE2NET_SKYHAWK 764 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 765 adapter->pdev->device == OC_DEVICE_ID6) 766 #else 767 #define skyhawk_chip(adapter) (0) 768 #endif /* CONFIG_BE2NET_SKYHAWK */ 769 770 #ifdef CONFIG_BE2NET_BE3 771 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 772 adapter->pdev->device == OC_DEVICE_ID2) 773 #else 774 #define BE3_chip(adapter) (0) 775 #endif /* CONFIG_BE2NET_BE3 */ 776 777 #ifdef CONFIG_BE2NET_BE2 778 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 779 adapter->pdev->device == OC_DEVICE_ID1) 780 #else 781 #define BE2_chip(adapter) (0) 782 #endif /* CONFIG_BE2NET_BE2 */ 783 784 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 785 786 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 787 (adapter->function_mode & RDMA_ENABLED)) 788 789 extern const struct ethtool_ops be_ethtool_ops; 790 791 #define msix_enabled(adapter) (adapter->num_msix_vec > 0) 792 #define num_irqs(adapter) (msix_enabled(adapter) ? \ 793 adapter->num_msix_vec : 1) 794 #define tx_stats(txo) (&(txo)->stats) 795 #define rx_stats(rxo) (&(rxo)->stats) 796 797 /* The default RXQ is the last RXQ */ 798 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 799 800 #define for_all_rx_queues(adapter, rxo, i) \ 801 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 802 i++, rxo++) 803 804 #define for_all_rss_queues(adapter, rxo, i) \ 805 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ 806 i++, rxo++) 807 808 #define for_all_tx_queues(adapter, txo, i) \ 809 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 810 i++, txo++) 811 812 #define for_all_evt_queues(adapter, eqo, i) \ 813 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 814 i++, eqo++) 815 816 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 817 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 818 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 819 820 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ 821 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ 822 i += adapter->num_evt_qs, txo += adapter->num_evt_qs) 823 824 #define is_mcc_eqo(eqo) (eqo->idx == 0) 825 #define mcc_eqo(adapter) (&adapter->eq_obj[0]) 826 827 #define PAGE_SHIFT_4K 12 828 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 829 830 /* Returns number of pages spanned by the data starting at the given addr */ 831 #define PAGES_4K_SPANNED(_address, size) \ 832 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 833 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 834 835 /* Returns bit offset within a DWORD of a bitfield */ 836 #define AMAP_BIT_OFFSET(_struct, field) \ 837 (((size_t)&(((_struct *)0)->field))%32) 838 839 /* Returns the bit mask of the field that is NOT shifted into location. */ 840 static inline u32 amap_mask(u32 bitsize) 841 { 842 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 843 } 844 845 static inline void 846 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 847 { 848 u32 *dw = (u32 *) ptr + dw_offset; 849 *dw &= ~(mask << offset); 850 *dw |= (mask & value) << offset; 851 } 852 853 #define AMAP_SET_BITS(_struct, field, ptr, val) \ 854 amap_set(ptr, \ 855 offsetof(_struct, field)/32, \ 856 amap_mask(sizeof(((_struct *)0)->field)), \ 857 AMAP_BIT_OFFSET(_struct, field), \ 858 val) 859 860 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 861 { 862 u32 *dw = (u32 *) ptr; 863 return mask & (*(dw + dw_offset) >> offset); 864 } 865 866 #define AMAP_GET_BITS(_struct, field, ptr) \ 867 amap_get(ptr, \ 868 offsetof(_struct, field)/32, \ 869 amap_mask(sizeof(((_struct *)0)->field)), \ 870 AMAP_BIT_OFFSET(_struct, field)) 871 872 #define GET_RX_COMPL_V0_BITS(field, ptr) \ 873 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) 874 875 #define GET_RX_COMPL_V1_BITS(field, ptr) \ 876 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) 877 878 #define GET_TX_COMPL_BITS(field, ptr) \ 879 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) 880 881 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \ 882 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) 883 884 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 885 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 886 static inline void swap_dws(void *wrb, int len) 887 { 888 #ifdef __BIG_ENDIAN 889 u32 *dw = wrb; 890 BUG_ON(len % 4); 891 do { 892 *dw = cpu_to_le32(*dw); 893 dw++; 894 len -= 4; 895 } while (len); 896 #endif /* __BIG_ENDIAN */ 897 } 898 899 #define be_cmd_status(status) (status > 0 ? -EIO : status) 900 901 static inline u8 is_tcp_pkt(struct sk_buff *skb) 902 { 903 u8 val = 0; 904 905 if (ip_hdr(skb)->version == 4) 906 val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 907 else if (ip_hdr(skb)->version == 6) 908 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 909 910 return val; 911 } 912 913 static inline u8 is_udp_pkt(struct sk_buff *skb) 914 { 915 u8 val = 0; 916 917 if (ip_hdr(skb)->version == 4) 918 val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 919 else if (ip_hdr(skb)->version == 6) 920 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 921 922 return val; 923 } 924 925 static inline bool is_ipv4_pkt(struct sk_buff *skb) 926 { 927 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 928 } 929 930 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) 931 { 932 if (ip_hdr(skb)->version == 6) 933 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); 934 else 935 return false; 936 } 937 938 #define be_error_recovering(adapter) \ 939 (adapter->flags & BE_FLAGS_TRY_RECOVERY) 940 941 #define BE_ERROR_EEH 1 942 #define BE_ERROR_UE BIT(1) 943 #define BE_ERROR_FW BIT(2) 944 #define BE_ERROR_TX BIT(3) 945 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX) 946 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \ 947 BE_ERROR_TX) 948 #define BE_CLEAR_ALL 0xFF 949 950 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) 951 { 952 return (adapter->err_flags & err_type); 953 } 954 955 static inline void be_set_error(struct be_adapter *adapter, int err_type) 956 { 957 struct net_device *netdev = adapter->netdev; 958 959 adapter->err_flags |= err_type; 960 netif_carrier_off(netdev); 961 962 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); 963 } 964 965 static inline void be_clear_error(struct be_adapter *adapter, int err_type) 966 { 967 adapter->err_flags &= ~err_type; 968 } 969 970 static inline bool be_multi_rxq(const struct be_adapter *adapter) 971 { 972 return adapter->num_rx_qs > 1; 973 } 974 975 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 976 u16 num_popped); 977 void be_link_status_update(struct be_adapter *adapter, u8 link_status); 978 void be_parse_stats(struct be_adapter *adapter); 979 int be_load_fw(struct be_adapter *adapter, u8 *func); 980 bool be_is_wol_supported(struct be_adapter *adapter); 981 bool be_pause_supported(struct be_adapter *adapter); 982 u32 be_get_fw_log_level(struct be_adapter *adapter); 983 int be_update_queues(struct be_adapter *adapter); 984 int be_poll(struct napi_struct *napi, int budget); 985 void be_eqd_update(struct be_adapter *adapter, bool force_update); 986 987 /* 988 * internal function to initialize-cleanup roce device. 989 */ 990 void be_roce_dev_add(struct be_adapter *); 991 void be_roce_dev_remove(struct be_adapter *); 992 993 /* 994 * internal function to open-close roce device during ifup-ifdown. 995 */ 996 void be_roce_dev_shutdown(struct be_adapter *); 997 998 #endif /* BE_H */ 999