drivers/net/ethernet/emulex/benet/be.h

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