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

   1/*
   2 * Copyright (C) 2005 - 2015 Emulex
   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                 "11.0.0.0"
  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 (BE_HDR_LEN + 64)
  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_RSS_IFACES          15
 101#define MAX_RX_QS               32
 102#define MAX_EVT_QS              32
 103#define MAX_TX_QS               32
 104
 105#define MAX_ROCE_EQS            5
 106#define MAX_MSIX_VECTORS        32
 107#define MIN_MSIX_VECTORS        1
 108#define BE_NAPI_WEIGHT          64
 109#define MAX_RX_POST             BE_NAPI_WEIGHT /* Frags posted at a time */
 110#define RX_FRAGS_REFILL_WM      (RX_Q_LEN - MAX_RX_POST)
 111#define MAX_NUM_POST_ERX_DB     255u
 112
 113#define MAX_VFS                 30 /* Max VFs supported by BE3 FW */
 114#define FW_VER_LEN              32
 115#define CNTL_SERIAL_NUM_WORDS   8  /* Controller serial number words */
 116#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
 117
 118#define RSS_INDIR_TABLE_LEN     128
 119#define RSS_HASH_KEY_LEN        40
 120
 121#define BE_UNKNOWN_PHY_STATE    0xFF
 122
 123struct be_dma_mem {
 124        void *va;
 125        dma_addr_t dma;
 126        u32 size;
 127};
 128
 129struct be_queue_info {
 130        u32 len;
 131        u32 entry_size; /* Size of an element in the queue */
 132        u32 tail, head;
 133        atomic_t used;  /* Number of valid elements in the queue */
 134        u32 id;
 135        struct be_dma_mem dma_mem;
 136        bool created;
 137};
 138
 139static inline u32 MODULO(u32 val, u32 limit)
 140{
 141        BUG_ON(limit & (limit - 1));
 142        return val & (limit - 1);
 143}
 144
 145static inline void index_adv(u32 *index, u32 val, u32 limit)
 146{
 147        *index = MODULO((*index + val), limit);
 148}
 149
 150static inline void index_inc(u32 *index, u32 limit)
 151{
 152        *index = MODULO((*index + 1), limit);
 153}
 154
 155static inline void *queue_head_node(struct be_queue_info *q)
 156{
 157        return q->dma_mem.va + q->head * q->entry_size;
 158}
 159
 160static inline void *queue_tail_node(struct be_queue_info *q)
 161{
 162        return q->dma_mem.va + q->tail * q->entry_size;
 163}
 164
 165static inline void *queue_index_node(struct be_queue_info *q, u16 index)
 166{
 167        return q->dma_mem.va + index * q->entry_size;
 168}
 169
 170static inline void queue_head_inc(struct be_queue_info *q)
 171{
 172        index_inc(&q->head, q->len);
 173}
 174
 175static inline void index_dec(u32 *index, u32 limit)
 176{
 177        *index = MODULO((*index - 1), limit);
 178}
 179
 180static inline void queue_tail_inc(struct be_queue_info *q)
 181{
 182        index_inc(&q->tail, q->len);
 183}
 184
 185struct be_eq_obj {
 186        struct be_queue_info q;
 187        char desc[32];
 188
 189        /* Adaptive interrupt coalescing (AIC) info */
 190        bool enable_aic;
 191        u32 min_eqd;            /* in usecs */
 192        u32 max_eqd;            /* in usecs */
 193        u32 eqd;                /* configured val when aic is off */
 194        u32 cur_eqd;            /* in usecs */
 195
 196        u8 idx;                 /* array index */
 197        u8 msix_idx;
 198        u16 spurious_intr;
 199        struct napi_struct napi;
 200        struct be_adapter *adapter;
 201        cpumask_var_t  affinity_mask;
 202
 203#ifdef CONFIG_NET_RX_BUSY_POLL
 204#define BE_EQ_IDLE              0
 205#define BE_EQ_NAPI              1       /* napi owns this EQ */
 206#define BE_EQ_POLL              2       /* poll owns this EQ */
 207#define BE_EQ_LOCKED            (BE_EQ_NAPI | BE_EQ_POLL)
 208#define BE_EQ_NAPI_YIELD        4       /* napi yielded this EQ */
 209#define BE_EQ_POLL_YIELD        8       /* poll yielded this EQ */
 210#define BE_EQ_YIELD             (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
 211#define BE_EQ_USER_PEND         (BE_EQ_POLL | BE_EQ_POLL_YIELD)
 212        unsigned int state;
 213        spinlock_t lock;        /* lock to serialize napi and busy-poll */
 214#endif  /* CONFIG_NET_RX_BUSY_POLL */
 215} ____cacheline_aligned_in_smp;
 216
 217struct be_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
 218        bool enable;
 219        u32 min_eqd;            /* in usecs */
 220        u32 max_eqd;            /* in usecs */
 221        u32 prev_eqd;           /* in usecs */
 222        u32 et_eqd;             /* configured val when aic is off */
 223        ulong jiffies;
 224        u64 rx_pkts_prev;       /* Used to calculate RX pps */
 225        u64 tx_reqs_prev;       /* Used to calculate TX pps */
 226};
 227
 228enum {
 229        NAPI_POLLING,
 230        BUSY_POLLING
 231};
 232
 233struct be_mcc_obj {
 234        struct be_queue_info q;
 235        struct be_queue_info cq;
 236        bool rearm_cq;
 237};
 238
 239struct be_tx_stats {
 240        u64 tx_bytes;
 241        u64 tx_pkts;
 242        u64 tx_vxlan_offload_pkts;
 243        u64 tx_reqs;
 244        u64 tx_compl;
 245        ulong tx_jiffies;
 246        u32 tx_stops;
 247        u32 tx_drv_drops;       /* pkts dropped by driver */
 248        /* the error counters are described in be_ethtool.c */
 249        u32 tx_hdr_parse_err;
 250        u32 tx_dma_err;
 251        u32 tx_tso_err;
 252        u32 tx_spoof_check_err;
 253        u32 tx_qinq_err;
 254        u32 tx_internal_parity_err;
 255        struct u64_stats_sync sync;
 256        struct u64_stats_sync sync_compl;
 257};
 258
 259/* Structure to hold some data of interest obtained from a TX CQE */
 260struct be_tx_compl_info {
 261        u8 status;              /* Completion status */
 262        u16 end_index;          /* Completed TXQ Index */
 263};
 264
 265struct be_tx_obj {
 266        u32 db_offset;
 267        struct be_queue_info q;
 268        struct be_queue_info cq;
 269        struct be_tx_compl_info txcp;
 270        /* Remember the skbs that were transmitted */
 271        struct sk_buff *sent_skb_list[TX_Q_LEN];
 272        struct be_tx_stats stats;
 273        u16 pend_wrb_cnt;       /* Number of WRBs yet to be given to HW */
 274        u16 last_req_wrb_cnt;   /* wrb cnt of the last req in the Q */
 275        u16 last_req_hdr;       /* index of the last req's hdr-wrb */
 276} ____cacheline_aligned_in_smp;
 277
 278/* Struct to remember the pages posted for rx frags */
 279struct be_rx_page_info {
 280        struct page *page;
 281        /* set to page-addr for last frag of the page & frag-addr otherwise */
 282        DEFINE_DMA_UNMAP_ADDR(bus);
 283        u16 page_offset;
 284        bool last_frag;         /* last frag of the page */
 285};
 286
 287struct be_rx_stats {
 288        u64 rx_bytes;
 289        u64 rx_pkts;
 290        u64 rx_vxlan_offload_pkts;
 291        u32 rx_drops_no_skbs;   /* skb allocation errors */
 292        u32 rx_drops_no_frags;  /* HW has no fetched frags */
 293        u32 rx_post_fail;       /* page post alloc failures */
 294        u32 rx_compl;
 295        u32 rx_mcast_pkts;
 296        u32 rx_compl_err;       /* completions with err set */
 297        struct u64_stats_sync sync;
 298};
 299
 300struct be_rx_compl_info {
 301        u32 rss_hash;
 302        u16 vlan_tag;
 303        u16 pkt_size;
 304        u16 port;
 305        u8 vlanf;
 306        u8 num_rcvd;
 307        u8 err;
 308        u8 ipf;
 309        u8 tcpf;
 310        u8 udpf;
 311        u8 ip_csum;
 312        u8 l4_csum;
 313        u8 ipv6;
 314        u8 qnq;
 315        u8 pkt_type;
 316        u8 ip_frag;
 317        u8 tunneled;
 318};
 319
 320struct be_rx_obj {
 321        struct be_adapter *adapter;
 322        struct be_queue_info q;
 323        struct be_queue_info cq;
 324        struct be_rx_compl_info rxcp;
 325        struct be_rx_page_info page_info_tbl[RX_Q_LEN];
 326        struct be_rx_stats stats;
 327        u8 rss_id;
 328        bool rx_post_starved;   /* Zero rx frags have been posted to BE */
 329} ____cacheline_aligned_in_smp;
 330
 331struct be_drv_stats {
 332        u32 eth_red_drops;
 333        u32 dma_map_errors;
 334        u32 rx_drops_no_pbuf;
 335        u32 rx_drops_no_txpb;
 336        u32 rx_drops_no_erx_descr;
 337        u32 rx_drops_no_tpre_descr;
 338        u32 rx_drops_too_many_frags;
 339        u32 forwarded_packets;
 340        u32 rx_drops_mtu;
 341        u32 rx_crc_errors;
 342        u32 rx_alignment_symbol_errors;
 343        u32 rx_pause_frames;
 344        u32 rx_priority_pause_frames;
 345        u32 rx_control_frames;
 346        u32 rx_in_range_errors;
 347        u32 rx_out_range_errors;
 348        u32 rx_frame_too_long;
 349        u32 rx_address_filtered;
 350        u32 rx_dropped_too_small;
 351        u32 rx_dropped_too_short;
 352        u32 rx_dropped_header_too_small;
 353        u32 rx_dropped_tcp_length;
 354        u32 rx_dropped_runt;
 355        u32 rx_ip_checksum_errs;
 356        u32 rx_tcp_checksum_errs;
 357        u32 rx_udp_checksum_errs;
 358        u32 tx_pauseframes;
 359        u32 tx_priority_pauseframes;
 360        u32 tx_controlframes;
 361        u32 rxpp_fifo_overflow_drop;
 362        u32 rx_input_fifo_overflow_drop;
 363        u32 pmem_fifo_overflow_drop;
 364        u32 jabber_events;
 365        u32 rx_roce_bytes_lsd;
 366        u32 rx_roce_bytes_msd;
 367        u32 rx_roce_frames;
 368        u32 roce_drops_payload_len;
 369        u32 roce_drops_crc;
 370};
 371
 372/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
 373#define BE_RESET_VLAN_TAG_ID    0xFFFF
 374
 375struct be_vf_cfg {
 376        unsigned char mac_addr[ETH_ALEN];
 377        int if_handle;
 378        int pmac_id;
 379        u16 vlan_tag;
 380        u32 tx_rate;
 381        u32 plink_tracking;
 382        u32 privileges;
 383        bool spoofchk;
 384};
 385
 386enum vf_state {
 387        ENABLED = 0,
 388        ASSIGNED = 1
 389};
 390
 391#define BE_FLAGS_LINK_STATUS_INIT               BIT(1)
 392#define BE_FLAGS_SRIOV_ENABLED                  BIT(2)
 393#define BE_FLAGS_WORKER_SCHEDULED               BIT(3)
 394#define BE_FLAGS_NAPI_ENABLED                   BIT(6)
 395#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD             BIT(7)
 396#define BE_FLAGS_VXLAN_OFFLOADS                 BIT(8)
 397#define BE_FLAGS_SETUP_DONE                     BIT(9)
 398#define BE_FLAGS_PHY_MISCONFIGURED              BIT(10)
 399#define BE_FLAGS_ERR_DETECTION_SCHEDULED        BIT(11)
 400#define BE_FLAGS_OS2BMC                         BIT(12)
 401
 402#define BE_UC_PMAC_COUNT                        30
 403#define BE_VF_UC_PMAC_COUNT                     2
 404
 405#define MAX_ERR_RECOVERY_RETRY_COUNT            3
 406#define ERR_DETECTION_DELAY                     1000
 407#define ERR_RECOVERY_RETRY_DELAY                30000
 408
 409/* Ethtool set_dump flags */
 410#define LANCER_INITIATE_FW_DUMP                 0x1
 411#define LANCER_DELETE_FW_DUMP                   0x2
 412
 413struct phy_info {
 414/* From SFF-8472 spec */
 415#define SFP_VENDOR_NAME_LEN                     17
 416        u8 transceiver;
 417        u8 autoneg;
 418        u8 fc_autoneg;
 419        u8 port_type;
 420        u16 phy_type;
 421        u16 interface_type;
 422        u32 misc_params;
 423        u16 auto_speeds_supported;
 424        u16 fixed_speeds_supported;
 425        int link_speed;
 426        u32 advertising;
 427        u32 supported;
 428        u8 cable_type;
 429        u8 vendor_name[SFP_VENDOR_NAME_LEN];
 430        u8 vendor_pn[SFP_VENDOR_NAME_LEN];
 431};
 432
 433struct be_resources {
 434        u16 max_vfs;            /* Total VFs "really" supported by FW/HW */
 435        u16 max_mcast_mac;
 436        u16 max_tx_qs;
 437        u16 max_rss_qs;
 438        u16 max_rx_qs;
 439        u16 max_cq_count;
 440        u16 max_uc_mac;         /* Max UC MACs programmable */
 441        u16 max_vlans;          /* Number of vlans supported */
 442        u16 max_iface_count;
 443        u16 max_mcc_count;
 444        u16 max_evt_qs;
 445        u32 if_cap_flags;
 446        u32 vf_if_cap_flags;    /* VF if capability flags */
 447};
 448
 449#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
 450
 451struct rss_info {
 452        u64 rss_flags;
 453        u8 rsstable[RSS_INDIR_TABLE_LEN];
 454        u8 rss_queue[RSS_INDIR_TABLE_LEN];
 455        u8 rss_hkey[RSS_HASH_KEY_LEN];
 456};
 457
 458#define BE_INVALID_DIE_TEMP     0xFF
 459struct be_hwmon {
 460        struct device *hwmon_dev;
 461        u8 be_on_die_temp;  /* Unit: millidegree Celsius */
 462};
 463
 464/* Macros to read/write the 'features' word of be_wrb_params structure.
 465 */
 466#define BE_WRB_F_BIT(name)                      BE_WRB_F_##name##_BIT
 467#define BE_WRB_F_MASK(name)                     BIT_MASK(BE_WRB_F_##name##_BIT)
 468
 469#define BE_WRB_F_GET(word, name)        \
 470        (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
 471
 472#define BE_WRB_F_SET(word, name, val)   \
 473        ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
 474
 475/* Feature/offload bits */
 476enum {
 477        BE_WRB_F_CRC_BIT,               /* Ethernet CRC */
 478        BE_WRB_F_IPCS_BIT,              /* IP csum */
 479        BE_WRB_F_TCPCS_BIT,             /* TCP csum */
 480        BE_WRB_F_UDPCS_BIT,             /* UDP csum */
 481        BE_WRB_F_LSO_BIT,               /* LSO */
 482        BE_WRB_F_LSO6_BIT,              /* LSO6 */
 483        BE_WRB_F_VLAN_BIT,              /* VLAN */
 484        BE_WRB_F_VLAN_SKIP_HW_BIT,      /* Skip VLAN tag (workaround) */
 485        BE_WRB_F_OS2BMC_BIT             /* Send packet to the management ring */
 486};
 487
 488/* The structure below provides a HW-agnostic abstraction of WRB params
 489 * retrieved from a TX skb. This is in turn passed to chip specific routines
 490 * during transmit, to set the corresponding params in the WRB.
 491 */
 492struct be_wrb_params {
 493        u32 features;   /* Feature bits */
 494        u16 vlan_tag;   /* VLAN tag */
 495        u16 lso_mss;    /* MSS for LSO */
 496};
 497
 498struct be_adapter {
 499        struct pci_dev *pdev;
 500        struct net_device *netdev;
 501
 502        u8 __iomem *csr;        /* CSR BAR used only for BE2/3 */
 503        u8 __iomem *db;         /* Door Bell */
 504        u8 __iomem *pcicfg;     /* On SH,BEx only. Shadow of PCI config space */
 505
 506        struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
 507        struct be_dma_mem mbox_mem;
 508        /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
 509         * is stored for freeing purpose */
 510        struct be_dma_mem mbox_mem_alloced;
 511
 512        struct be_mcc_obj mcc_obj;
 513        spinlock_t mcc_lock;    /* For serializing mcc cmds to BE card */
 514        spinlock_t mcc_cq_lock;
 515
 516        u16 cfg_num_qs;         /* configured via set-channels */
 517        u16 num_evt_qs;
 518        u16 num_msix_vec;
 519        struct be_eq_obj eq_obj[MAX_EVT_QS];
 520        struct msix_entry msix_entries[MAX_MSIX_VECTORS];
 521        bool isr_registered;
 522
 523        /* TX Rings */
 524        u16 num_tx_qs;
 525        struct be_tx_obj tx_obj[MAX_TX_QS];
 526
 527        /* Rx rings */
 528        u16 num_rx_qs;
 529        u16 num_rss_qs;
 530        u16 need_def_rxq;
 531        struct be_rx_obj rx_obj[MAX_RX_QS];
 532        u32 big_page_size;      /* Compounded page size shared by rx wrbs */
 533
 534        struct be_drv_stats drv_stats;
 535        struct be_aic_obj aic_obj[MAX_EVT_QS];
 536        u8 vlan_prio_bmap;      /* Available Priority BitMap */
 537        u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
 538        struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
 539
 540        struct be_dma_mem stats_cmd;
 541        /* Work queue used to perform periodic tasks like getting statistics */
 542        struct delayed_work work;
 543        u16 work_counter;
 544
 545        struct delayed_work be_err_detection_work;
 546        u8 recovery_retries;
 547        u8 err_flags;
 548        bool pcicfg_mapped;     /* pcicfg obtained via pci_iomap() */
 549        u32 flags;
 550        u32 cmd_privileges;
 551        /* Ethtool knobs and info */
 552        char fw_ver[FW_VER_LEN];
 553        char fw_on_flash[FW_VER_LEN];
 554
 555        /* IFACE filtering fields */
 556        int if_handle;          /* Used to configure filtering */
 557        u32 if_flags;           /* Interface filtering flags */
 558        u32 *pmac_id;           /* MAC addr handle used by BE card */
 559        u32 uc_macs;            /* Count of secondary UC MAC programmed */
 560        unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
 561        u16 vlans_added;
 562
 563        u32 beacon_state;       /* for set_phys_id */
 564
 565        u32 port_num;
 566        char port_name;
 567        u8 mc_type;
 568        u32 function_mode;
 569        u32 function_caps;
 570        u32 rx_fc;              /* Rx flow control */
 571        u32 tx_fc;              /* Tx flow control */
 572        bool stats_cmd_sent;
 573        struct {
 574                u32 size;
 575                u32 total_size;
 576                u64 io_addr;
 577        } roce_db;
 578        u32 num_msix_roce_vec;
 579        struct ocrdma_dev *ocrdma_dev;
 580        struct list_head entry;
 581
 582        u32 flash_status;
 583        struct completion et_cmd_compl;
 584
 585        struct be_resources pool_res;   /* resources available for the port */
 586        struct be_resources res;        /* resources available for the func */
 587        u16 num_vfs;                    /* Number of VFs provisioned by PF */
 588        u8 pf_num;                      /* Numbering used by FW, starts at 0 */
 589        u8 vf_num;                      /* Numbering used by FW, starts at 1 */
 590        u8 virtfn;
 591        struct be_vf_cfg *vf_cfg;
 592        bool be3_native;
 593        u32 sli_family;
 594        u8 hba_port_num;
 595        u16 pvid;
 596        __be16 vxlan_port;
 597        int vxlan_port_count;
 598        int vxlan_port_aliases;
 599        struct phy_info phy;
 600        u8 wol_cap;
 601        bool wol_en;
 602        u16 asic_rev;
 603        u16 qnq_vid;
 604        u32 msg_enable;
 605        int be_get_temp_freq;
 606        struct be_hwmon hwmon_info;
 607        struct rss_info rss_info;
 608        /* Filters for packets that need to be sent to BMC */
 609        u32 bmc_filt_mask;
 610        u32 fat_dump_len;
 611        u16 serial_num[CNTL_SERIAL_NUM_WORDS];
 612        u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
 613};
 614
 615#define be_physfn(adapter)              (!adapter->virtfn)
 616#define be_virtfn(adapter)              (adapter->virtfn)
 617#define sriov_enabled(adapter)          (adapter->flags &       \
 618                                         BE_FLAGS_SRIOV_ENABLED)
 619
 620#define for_all_vfs(adapter, vf_cfg, i)                                 \
 621        for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
 622                i++, vf_cfg++)
 623
 624#define ON                              1
 625#define OFF                             0
 626
 627#define be_max_vlans(adapter)           (adapter->res.max_vlans)
 628#define be_max_uc(adapter)              (adapter->res.max_uc_mac)
 629#define be_max_mc(adapter)              (adapter->res.max_mcast_mac)
 630#define be_max_vfs(adapter)             (adapter->pool_res.max_vfs)
 631#define be_max_rss(adapter)             (adapter->res.max_rss_qs)
 632#define be_max_txqs(adapter)            (adapter->res.max_tx_qs)
 633#define be_max_prio_txqs(adapter)       (adapter->res.max_prio_tx_qs)
 634#define be_max_rxqs(adapter)            (adapter->res.max_rx_qs)
 635#define be_max_eqs(adapter)             (adapter->res.max_evt_qs)
 636#define be_if_cap_flags(adapter)        (adapter->res.if_cap_flags)
 637
 638static inline u16 be_max_qs(struct be_adapter *adapter)
 639{
 640        /* If no RSS, need atleast the one def RXQ */
 641        u16 num = max_t(u16, be_max_rss(adapter), 1);
 642
 643        num = min(num, be_max_eqs(adapter));
 644        return min_t(u16, num, num_online_cpus());
 645}
 646
 647/* Is BE in pvid_tagging mode */
 648#define be_pvid_tagging_enabled(adapter)        (adapter->pvid)
 649
 650/* Is BE in QNQ multi-channel mode */
 651#define be_is_qnq_mode(adapter)         (adapter->function_mode & QNQ_MODE)
 652
 653#define lancer_chip(adapter)    (adapter->pdev->device == OC_DEVICE_ID3 || \
 654                                 adapter->pdev->device == OC_DEVICE_ID4)
 655
 656#define skyhawk_chip(adapter)   (adapter->pdev->device == OC_DEVICE_ID5 || \
 657                                 adapter->pdev->device == OC_DEVICE_ID6)
 658
 659#define BE3_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID2 || \
 660                                 adapter->pdev->device == OC_DEVICE_ID2)
 661
 662#define BE2_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID1 || \
 663                                 adapter->pdev->device == OC_DEVICE_ID1)
 664
 665#define BEx_chip(adapter)       (BE3_chip(adapter) || BE2_chip(adapter))
 666
 667#define be_roce_supported(adapter)      (skyhawk_chip(adapter) && \
 668                                        (adapter->function_mode & RDMA_ENABLED))
 669
 670extern const struct ethtool_ops be_ethtool_ops;
 671
 672#define msix_enabled(adapter)           (adapter->num_msix_vec > 0)
 673#define num_irqs(adapter)               (msix_enabled(adapter) ?        \
 674                                                adapter->num_msix_vec : 1)
 675#define tx_stats(txo)                   (&(txo)->stats)
 676#define rx_stats(rxo)                   (&(rxo)->stats)
 677
 678/* The default RXQ is the last RXQ */
 679#define default_rxo(adpt)               (&adpt->rx_obj[adpt->num_rx_qs - 1])
 680
 681#define for_all_rx_queues(adapter, rxo, i)                              \
 682        for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;  \
 683                i++, rxo++)
 684
 685#define for_all_rss_queues(adapter, rxo, i)                             \
 686        for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
 687                i++, rxo++)
 688
 689#define for_all_tx_queues(adapter, txo, i)                              \
 690        for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;  \
 691                i++, txo++)
 692
 693#define for_all_evt_queues(adapter, eqo, i)                             \
 694        for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
 695                i++, eqo++)
 696
 697#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i)                   \
 698        for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
 699                 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
 700
 701#define for_all_tx_queues_on_eq(adapter, eqo, txo, i)                   \
 702        for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
 703                i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
 704
 705#define is_mcc_eqo(eqo)                 (eqo->idx == 0)
 706#define mcc_eqo(adapter)                (&adapter->eq_obj[0])
 707
 708#define PAGE_SHIFT_4K           12
 709#define PAGE_SIZE_4K            (1 << PAGE_SHIFT_4K)
 710
 711/* Returns number of pages spanned by the data starting at the given addr */
 712#define PAGES_4K_SPANNED(_address, size)                                \
 713                ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) +     \
 714                        (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
 715
 716/* Returns bit offset within a DWORD of a bitfield */
 717#define AMAP_BIT_OFFSET(_struct, field)                                 \
 718                (((size_t)&(((_struct *)0)->field))%32)
 719
 720/* Returns the bit mask of the field that is NOT shifted into location. */
 721static inline u32 amap_mask(u32 bitsize)
 722{
 723        return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
 724}
 725
 726static inline void
 727amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
 728{
 729        u32 *dw = (u32 *) ptr + dw_offset;
 730        *dw &= ~(mask << offset);
 731        *dw |= (mask & value) << offset;
 732}
 733
 734#define AMAP_SET_BITS(_struct, field, ptr, val)                         \
 735                amap_set(ptr,                                           \
 736                        offsetof(_struct, field)/32,                    \
 737                        amap_mask(sizeof(((_struct *)0)->field)),       \
 738                        AMAP_BIT_OFFSET(_struct, field),                \
 739                        val)
 740
 741static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
 742{
 743        u32 *dw = (u32 *) ptr;
 744        return mask & (*(dw + dw_offset) >> offset);
 745}
 746
 747#define AMAP_GET_BITS(_struct, field, ptr)                              \
 748                amap_get(ptr,                                           \
 749                        offsetof(_struct, field)/32,                    \
 750                        amap_mask(sizeof(((_struct *)0)->field)),       \
 751                        AMAP_BIT_OFFSET(_struct, field))
 752
 753#define GET_RX_COMPL_V0_BITS(field, ptr)                                \
 754                AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
 755
 756#define GET_RX_COMPL_V1_BITS(field, ptr)                                \
 757                AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
 758
 759#define GET_TX_COMPL_BITS(field, ptr)                                   \
 760                AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
 761
 762#define SET_TX_WRB_HDR_BITS(field, ptr, val)                            \
 763                AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
 764
 765#define be_dws_cpu_to_le(wrb, len)      swap_dws(wrb, len)
 766#define be_dws_le_to_cpu(wrb, len)      swap_dws(wrb, len)
 767static inline void swap_dws(void *wrb, int len)
 768{
 769#ifdef __BIG_ENDIAN
 770        u32 *dw = wrb;
 771        BUG_ON(len % 4);
 772        do {
 773                *dw = cpu_to_le32(*dw);
 774                dw++;
 775                len -= 4;
 776        } while (len);
 777#endif                          /* __BIG_ENDIAN */
 778}
 779
 780#define be_cmd_status(status)           (status > 0 ? -EIO : status)
 781
 782static inline u8 is_tcp_pkt(struct sk_buff *skb)
 783{
 784        u8 val = 0;
 785
 786        if (ip_hdr(skb)->version == 4)
 787                val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
 788        else if (ip_hdr(skb)->version == 6)
 789                val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
 790
 791        return val;
 792}
 793
 794static inline u8 is_udp_pkt(struct sk_buff *skb)
 795{
 796        u8 val = 0;
 797
 798        if (ip_hdr(skb)->version == 4)
 799                val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
 800        else if (ip_hdr(skb)->version == 6)
 801                val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
 802
 803        return val;
 804}
 805
 806static inline bool is_ipv4_pkt(struct sk_buff *skb)
 807{
 808        return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
 809}
 810
 811#define BE_ERROR_EEH            1
 812#define BE_ERROR_UE             BIT(1)
 813#define BE_ERROR_FW             BIT(2)
 814#define BE_ERROR_HW             (BE_ERROR_EEH | BE_ERROR_UE)
 815#define BE_ERROR_ANY            (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
 816#define BE_CLEAR_ALL            0xFF
 817
 818static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
 819{
 820        return (adapter->err_flags & err_type);
 821}
 822
 823static inline void be_set_error(struct be_adapter *adapter, int err_type)
 824{
 825        struct net_device *netdev = adapter->netdev;
 826
 827        adapter->err_flags |= err_type;
 828        netif_carrier_off(netdev);
 829
 830        dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
 831}
 832
 833static inline void  be_clear_error(struct be_adapter *adapter, int err_type)
 834{
 835        adapter->err_flags &= ~err_type;
 836}
 837
 838static inline bool be_multi_rxq(const struct be_adapter *adapter)
 839{
 840        return adapter->num_rx_qs > 1;
 841}
 842
 843void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
 844                  u16 num_popped);
 845void be_link_status_update(struct be_adapter *adapter, u8 link_status);
 846void be_parse_stats(struct be_adapter *adapter);
 847int be_load_fw(struct be_adapter *adapter, u8 *func);
 848bool be_is_wol_supported(struct be_adapter *adapter);
 849bool be_pause_supported(struct be_adapter *adapter);
 850u32 be_get_fw_log_level(struct be_adapter *adapter);
 851int be_update_queues(struct be_adapter *adapter);
 852int be_poll(struct napi_struct *napi, int budget);
 853void be_eqd_update(struct be_adapter *adapter, bool force_update);
 854
 855/*
 856 * internal function to initialize-cleanup roce device.
 857 */
 858void be_roce_dev_add(struct be_adapter *);
 859void be_roce_dev_remove(struct be_adapter *);
 860
 861/*
 862 * internal function to open-close roce device during ifup-ifdown.
 863 */
 864void be_roce_dev_shutdown(struct be_adapter *);
 865
 866#endif                          /* BE_H */
 867