include/linux/qed/qed_if.h

   1 /* QLogic qed NIC Driver
   2  *
   3  * Copyright (c) 2015 QLogic Corporation
   4  *
   5  * This software is available under the terms of the GNU General Public License
   6  * (GPL) Version 2, available from the file COPYING in the main directory of
   7  * this source tree.
   8  */
   9
  10 #ifndef _QED_IF_H
  11 #define _QED_IF_H
  12
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/netdevice.h>
  16 #include <linux/pci.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/types.h>
  19 #include <asm/byteorder.h>
  20 #include <linux/io.h>
  21 #include <linux/compiler.h>
  22 #include <linux/kernel.h>
  23 #include <linux/list.h>
  24 #include <linux/slab.h>
  25 #include <linux/qed/common_hsi.h>
  26 #include <linux/qed/qed_chain.h>
  27
  28 enum dcbx_protocol_type {
  29         DCBX_PROTOCOL_ISCSI,
  30         DCBX_PROTOCOL_FCOE,
  31         DCBX_PROTOCOL_ROCE,
  32         DCBX_PROTOCOL_ROCE_V2,
  33         DCBX_PROTOCOL_ETH,
  34         DCBX_MAX_PROTOCOL_TYPE
  35 };
  36
  37 #ifdef CONFIG_DCB
  38 #define QED_LLDP_CHASSIS_ID_STAT_LEN 4
  39 #define QED_LLDP_PORT_ID_STAT_LEN 4
  40 #define QED_DCBX_MAX_APP_PROTOCOL 32
  41 #define QED_MAX_PFC_PRIORITIES 8
  42 #define QED_DCBX_DSCP_SIZE 64
  43
  44 struct qed_dcbx_lldp_remote {
  45         u32 peer_chassis_id[QED_LLDP_CHASSIS_ID_STAT_LEN];
  46         u32 peer_port_id[QED_LLDP_PORT_ID_STAT_LEN];
  47         bool enable_rx;
  48         bool enable_tx;
  49         u32 tx_interval;
  50         u32 max_credit;
  51 };
  52
  53 struct qed_dcbx_lldp_local {
  54         u32 local_chassis_id[QED_LLDP_CHASSIS_ID_STAT_LEN];
  55         u32 local_port_id[QED_LLDP_PORT_ID_STAT_LEN];
  56 };
  57
  58 struct qed_dcbx_app_prio {
  59         u8 roce;
  60         u8 roce_v2;
  61         u8 fcoe;
  62         u8 iscsi;
  63         u8 eth;
  64 };
  65
  66 struct qed_dbcx_pfc_params {
  67         bool willing;
  68         bool enabled;
  69         u8 prio[QED_MAX_PFC_PRIORITIES];
  70         u8 max_tc;
  71 };
  72
  73 enum qed_dcbx_sf_ieee_type {
  74         QED_DCBX_SF_IEEE_ETHTYPE,
  75         QED_DCBX_SF_IEEE_TCP_PORT,
  76         QED_DCBX_SF_IEEE_UDP_PORT,
  77         QED_DCBX_SF_IEEE_TCP_UDP_PORT
  78 };
  79
  80 struct qed_app_entry {
  81         bool ethtype;
  82         enum qed_dcbx_sf_ieee_type sf_ieee;
  83         bool enabled;
  84         u8 prio;
  85         u16 proto_id;
  86         enum dcbx_protocol_type proto_type;
  87 };
  88
  89 struct qed_dcbx_params {
  90         struct qed_app_entry app_entry[QED_DCBX_MAX_APP_PROTOCOL];
  91         u16 num_app_entries;
  92         bool app_willing;
  93         bool app_valid;
  94         bool app_error;
  95         bool ets_willing;
  96         bool ets_enabled;
  97         bool ets_cbs;
  98         bool valid;
  99         u8 ets_pri_tc_tbl[QED_MAX_PFC_PRIORITIES];
 100         u8 ets_tc_bw_tbl[QED_MAX_PFC_PRIORITIES];
 101         u8 ets_tc_tsa_tbl[QED_MAX_PFC_PRIORITIES];
 102         struct qed_dbcx_pfc_params pfc;
 103         u8 max_ets_tc;
 104 };
 105
 106 struct qed_dcbx_admin_params {
 107         struct qed_dcbx_params params;
 108         bool valid;
 109 };
 110
 111 struct qed_dcbx_remote_params {
 112         struct qed_dcbx_params params;
 113         bool valid;
 114 };
 115
 116 struct qed_dcbx_operational_params {
 117         struct qed_dcbx_app_prio app_prio;
 118         struct qed_dcbx_params params;
 119         bool valid;
 120         bool enabled;
 121         bool ieee;
 122         bool cee;
 123         u32 err;
 124 };
 125
 126 struct qed_dcbx_get {
 127         struct qed_dcbx_operational_params operational;
 128         struct qed_dcbx_lldp_remote lldp_remote;
 129         struct qed_dcbx_lldp_local lldp_local;
 130         struct qed_dcbx_remote_params remote;
 131         struct qed_dcbx_admin_params local;
 132 };
 133 #endif
 134
 135 enum qed_led_mode {
 136         QED_LED_MODE_OFF,
 137         QED_LED_MODE_ON,
 138         QED_LED_MODE_RESTORE
 139 };
 140
 141 #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
 142                                             (void __iomem *)(reg_addr))
 143
 144 #define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))
 145
 146 #define QED_COALESCE_MAX 0xFF
 147
 148 /* forward */
 149 struct qed_dev;
 150
 151 struct qed_eth_pf_params {
 152         /* The following parameters are used during HW-init
 153          * and these parameters need to be passed as arguments
 154          * to update_pf_params routine invoked before slowpath start
 155          */
 156         u16 num_cons;
 157 };
 158
 159 /* Most of the the parameters below are described in the FW iSCSI / TCP HSI */
 160 struct qed_iscsi_pf_params {
 161         u64 glbl_q_params_addr;
 162         u64 bdq_pbl_base_addr[2];
 163         u32 max_cwnd;
 164         u16 cq_num_entries;
 165         u16 cmdq_num_entries;
 166         u16 dup_ack_threshold;
 167         u16 tx_sws_timer;
 168         u16 min_rto;
 169         u16 min_rto_rt;
 170         u16 max_rto;
 171
 172         /* The following parameters are used during HW-init
 173          * and these parameters need to be passed as arguments
 174          * to update_pf_params routine invoked before slowpath start
 175          */
 176         u16 num_cons;
 177         u16 num_tasks;
 178
 179         /* The following parameters are used during protocol-init */
 180         u16 half_way_close_timeout;
 181         u16 bdq_xoff_threshold[2];
 182         u16 bdq_xon_threshold[2];
 183         u16 cmdq_xoff_threshold;
 184         u16 cmdq_xon_threshold;
 185         u16 rq_buffer_size;
 186
 187         u8 num_sq_pages_in_ring;
 188         u8 num_r2tq_pages_in_ring;
 189         u8 num_uhq_pages_in_ring;
 190         u8 num_queues;
 191         u8 log_page_size;
 192         u8 rqe_log_size;
 193         u8 max_fin_rt;
 194         u8 gl_rq_pi;
 195         u8 gl_cmd_pi;
 196         u8 debug_mode;
 197         u8 ll2_ooo_queue_id;
 198         u8 ooo_enable;
 199
 200         u8 is_target;
 201         u8 bdq_pbl_num_entries[2];
 202 };
 203
 204 struct qed_rdma_pf_params {
 205         /* Supplied to QED during resource allocation (may affect the ILT and
 206          * the doorbell BAR).
 207          */
 208         u32 min_dpis;           /* number of requested DPIs */
 209         u32 num_mrs;            /* number of requested memory regions */
 210         u32 num_qps;            /* number of requested Queue Pairs */
 211         u32 num_srqs;           /* number of requested SRQ */
 212         u8 roce_edpm_mode;      /* see QED_ROCE_EDPM_MODE_ENABLE */
 213         u8 gl_pi;               /* protocol index */
 214
 215         /* Will allocate rate limiters to be used with QPs */
 216         u8 enable_dcqcn;
 217 };
 218
 219 struct qed_pf_params {
 220         struct qed_eth_pf_params eth_pf_params;
 221         struct qed_iscsi_pf_params iscsi_pf_params;
 222         struct qed_rdma_pf_params rdma_pf_params;
 223 };
 224
 225 enum qed_int_mode {
 226         QED_INT_MODE_INTA,
 227         QED_INT_MODE_MSIX,
 228         QED_INT_MODE_MSI,
 229         QED_INT_MODE_POLL,
 230 };
 231
 232 struct qed_sb_info {
 233         struct status_block     *sb_virt;
 234         dma_addr_t              sb_phys;
 235         u32                     sb_ack; /* Last given ack */
 236         u16                     igu_sb_id;
 237         void __iomem            *igu_addr;
 238         u8                      flags;
 239 #define QED_SB_INFO_INIT        0x1
 240 #define QED_SB_INFO_SETUP       0x2
 241
 242         struct qed_dev          *cdev;
 243 };
 244
 245 struct qed_dev_info {
 246         unsigned long   pci_mem_start;
 247         unsigned long   pci_mem_end;
 248         unsigned int    pci_irq;
 249         u8              num_hwfns;
 250
 251         u8              hw_mac[ETH_ALEN];
 252         bool            is_mf_default;
 253
 254         /* FW version */
 255         u16             fw_major;
 256         u16             fw_minor;
 257         u16             fw_rev;
 258         u16             fw_eng;
 259
 260         /* MFW version */
 261         u32             mfw_rev;
 262
 263         bool rdma_supported;
 264
 265         u32             flash_size;
 266         u8              mf_mode;
 267         bool            tx_switching;
 268 };
 269
 270 enum qed_sb_type {
 271         QED_SB_TYPE_L2_QUEUE,
 272 };
 273
 274 enum qed_protocol {
 275         QED_PROTOCOL_ETH,
 276         QED_PROTOCOL_ISCSI,
 277 };
 278
 279 struct qed_link_params {
 280         bool    link_up;
 281
 282 #define QED_LINK_OVERRIDE_SPEED_AUTONEG         BIT(0)
 283 #define QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS      BIT(1)
 284 #define QED_LINK_OVERRIDE_SPEED_FORCED_SPEED    BIT(2)
 285 #define QED_LINK_OVERRIDE_PAUSE_CONFIG          BIT(3)
 286 #define QED_LINK_OVERRIDE_LOOPBACK_MODE         BIT(4)
 287         u32     override_flags;
 288         bool    autoneg;
 289         u32     adv_speeds;
 290         u32     forced_speed;
 291 #define QED_LINK_PAUSE_AUTONEG_ENABLE           BIT(0)
 292 #define QED_LINK_PAUSE_RX_ENABLE                BIT(1)
 293 #define QED_LINK_PAUSE_TX_ENABLE                BIT(2)
 294         u32     pause_config;
 295 #define QED_LINK_LOOPBACK_NONE                  BIT(0)
 296 #define QED_LINK_LOOPBACK_INT_PHY               BIT(1)
 297 #define QED_LINK_LOOPBACK_EXT_PHY               BIT(2)
 298 #define QED_LINK_LOOPBACK_EXT                   BIT(3)
 299 #define QED_LINK_LOOPBACK_MAC                   BIT(4)
 300         u32     loopback_mode;
 301 };
 302
 303 struct qed_link_output {
 304         bool    link_up;
 305
 306         u32     supported_caps;         /* In SUPPORTED defs */
 307         u32     advertised_caps;        /* In ADVERTISED defs */
 308         u32     lp_caps;                /* In ADVERTISED defs */
 309         u32     speed;                  /* In Mb/s */
 310         u8      duplex;                 /* In DUPLEX defs */
 311         u8      port;                   /* In PORT defs */
 312         bool    autoneg;
 313         u32     pause_config;
 314 };
 315
 316 struct qed_probe_params {
 317         enum qed_protocol protocol;
 318         u32 dp_module;
 319         u8 dp_level;
 320         bool is_vf;
 321 };
 322
 323 #define QED_DRV_VER_STR_SIZE 12
 324 struct qed_slowpath_params {
 325         u32     int_mode;
 326         u8      drv_major;
 327         u8      drv_minor;
 328         u8      drv_rev;
 329         u8      drv_eng;
 330         u8      name[QED_DRV_VER_STR_SIZE];
 331 };
 332
 333 #define ILT_PAGE_SIZE_TCFC 0x8000 /* 32KB */
 334
 335 struct qed_int_info {
 336         struct msix_entry       *msix;
 337         u8                      msix_cnt;
 338
 339         /* This should be updated by the protocol driver */
 340         u8                      used_cnt;
 341 };
 342
 343 struct qed_common_cb_ops {
 344         void    (*link_update)(void                     *dev,
 345                                struct qed_link_output   *link);
 346 };
 347
 348 struct qed_selftest_ops {
 349 /**
 350  * @brief selftest_interrupt - Perform interrupt test
 351  *
 352  * @param cdev
 353  *
 354  * @return 0 on success, error otherwise.
 355  */
 356         int (*selftest_interrupt)(struct qed_dev *cdev);
 357
 358 /**
 359  * @brief selftest_memory - Perform memory test
 360  *
 361  * @param cdev
 362  *
 363  * @return 0 on success, error otherwise.
 364  */
 365         int (*selftest_memory)(struct qed_dev *cdev);
 366
 367 /**
 368  * @brief selftest_register - Perform register test
 369  *
 370  * @param cdev
 371  *
 372  * @return 0 on success, error otherwise.
 373  */
 374         int (*selftest_register)(struct qed_dev *cdev);
 375
 376 /**
 377  * @brief selftest_clock - Perform clock test
 378  *
 379  * @param cdev
 380  *
 381  * @return 0 on success, error otherwise.
 382  */
 383         int (*selftest_clock)(struct qed_dev *cdev);
 384 };
 385
 386 struct qed_common_ops {
 387         struct qed_selftest_ops *selftest;
 388
 389         struct qed_dev* (*probe)(struct pci_dev *dev,
 390                                  struct qed_probe_params *params);
 391
 392         void            (*remove)(struct qed_dev *cdev);
 393
 394         int             (*set_power_state)(struct qed_dev *cdev,
 395                                            pci_power_t state);
 396
 397         void            (*set_id)(struct qed_dev *cdev,
 398                                   char name[],
 399                                   char ver_str[]);
 400
 401         /* Client drivers need to make this call before slowpath_start.
 402          * PF params required for the call before slowpath_start is
 403          * documented within the qed_pf_params structure definition.
 404          */
 405         void            (*update_pf_params)(struct qed_dev *cdev,
 406                                             struct qed_pf_params *params);
 407         int             (*slowpath_start)(struct qed_dev *cdev,
 408                                           struct qed_slowpath_params *params);
 409
 410         int             (*slowpath_stop)(struct qed_dev *cdev);
 411
 412         /* Requests to use `cnt' interrupts for fastpath.
 413          * upon success, returns number of interrupts allocated for fastpath.
 414          */
 415         int             (*set_fp_int)(struct qed_dev *cdev,
 416                                       u16 cnt);
 417
 418         /* Fills `info' with pointers required for utilizing interrupts */
 419         int             (*get_fp_int)(struct qed_dev *cdev,
 420                                       struct qed_int_info *info);
 421
 422         u32             (*sb_init)(struct qed_dev *cdev,
 423                                    struct qed_sb_info *sb_info,
 424                                    void *sb_virt_addr,
 425                                    dma_addr_t sb_phy_addr,
 426                                    u16 sb_id,
 427                                    enum qed_sb_type type);
 428
 429         u32             (*sb_release)(struct qed_dev *cdev,
 430                                       struct qed_sb_info *sb_info,
 431                                       u16 sb_id);
 432
 433         void            (*simd_handler_config)(struct qed_dev *cdev,
 434                                                void *token,
 435                                                int index,
 436                                                void (*handler)(void *));
 437
 438         void            (*simd_handler_clean)(struct qed_dev *cdev,
 439                                               int index);
 440
 441 /**
 442  * @brief can_link_change - can the instance change the link or not
 443  *
 444  * @param cdev
 445  *
 446  * @return true if link-change is allowed, false otherwise.
 447  */
 448         bool (*can_link_change)(struct qed_dev *cdev);
 449
 450 /**
 451  * @brief set_link - set links according to params
 452  *
 453  * @param cdev
 454  * @param params - values used to override the default link configuration
 455  *
 456  * @return 0 on success, error otherwise.
 457  */
 458         int             (*set_link)(struct qed_dev *cdev,
 459                                     struct qed_link_params *params);
 460
 461 /**
 462  * @brief get_link - returns the current link state.
 463  *
 464  * @param cdev
 465  * @param if_link - structure to be filled with current link configuration.
 466  */
 467         void            (*get_link)(struct qed_dev *cdev,
 468                                     struct qed_link_output *if_link);
 469
 470 /**
 471  * @brief - drains chip in case Tx completions fail to arrive due to pause.
 472  *
 473  * @param cdev
 474  */
 475         int             (*drain)(struct qed_dev *cdev);
 476
 477 /**
 478  * @brief update_msglvl - update module debug level
 479  *
 480  * @param cdev
 481  * @param dp_module
 482  * @param dp_level
 483  */
 484         void            (*update_msglvl)(struct qed_dev *cdev,
 485                                          u32 dp_module,
 486                                          u8 dp_level);
 487
 488         int             (*chain_alloc)(struct qed_dev *cdev,
 489                                        enum qed_chain_use_mode intended_use,
 490                                        enum qed_chain_mode mode,
 491                                        enum qed_chain_cnt_type cnt_type,
 492                                        u32 num_elems,
 493                                        size_t elem_size,
 494                                        struct qed_chain *p_chain);
 495
 496         void            (*chain_free)(struct qed_dev *cdev,
 497                                       struct qed_chain *p_chain);
 498
 499 /**
 500  * @brief get_coalesce - Get coalesce parameters in usec
 501  *
 502  * @param cdev
 503  * @param rx_coal - Rx coalesce value in usec
 504  * @param tx_coal - Tx coalesce value in usec
 505  *
 506  */
 507         void (*get_coalesce)(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal);
 508
 509 /**
 510  * @brief set_coalesce - Configure Rx coalesce value in usec
 511  *
 512  * @param cdev
 513  * @param rx_coal - Rx coalesce value in usec
 514  * @param tx_coal - Tx coalesce value in usec
 515  * @param qid - Queue index
 516  * @param sb_id - Status Block Id
 517  *
 518  * @return 0 on success, error otherwise.
 519  */
 520         int (*set_coalesce)(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
 521                             u8 qid, u16 sb_id);
 522
 523 /**
 524  * @brief set_led - Configure LED mode
 525  *
 526  * @param cdev
 527  * @param mode - LED mode
 528  *
 529  * @return 0 on success, error otherwise.
 530  */
 531         int (*set_led)(struct qed_dev *cdev,
 532                        enum qed_led_mode mode);
 533 };
 534
 535 #define MASK_FIELD(_name, _value) \
 536         ((_value) &= (_name ## _MASK))
 537
 538 #define FIELD_VALUE(_name, _value) \
 539         ((_value & _name ## _MASK) << _name ## _SHIFT)
 540
 541 #define SET_FIELD(value, name, flag)                           \
 542         do {                                                   \
 543                 (value) &= ~(name ## _MASK << name ## _SHIFT); \
 544                 (value) |= (((u64)flag) << (name ## _SHIFT));  \
 545         } while (0)
 546
 547 #define GET_FIELD(value, name) \
 548         (((value) >> (name ## _SHIFT)) & name ## _MASK)
 549
 550 /* Debug print definitions */
 551 #define DP_ERR(cdev, fmt, ...)                                               \
 552                 pr_err("[%s:%d(%s)]" fmt,                                    \
 553                        __func__, __LINE__,                                   \
 554                        DP_NAME(cdev) ? DP_NAME(cdev) : "",                   \
 555                        ## __VA_ARGS__)                                       \
 556
 557 #define DP_NOTICE(cdev, fmt, ...)                                     \
 558         do {                                                          \
 559                 if (unlikely((cdev)->dp_level <= QED_LEVEL_NOTICE)) { \
 560                         pr_notice("[%s:%d(%s)]" fmt,                  \
 561                                   __func__, __LINE__,                 \
 562                                   DP_NAME(cdev) ? DP_NAME(cdev) : "", \
 563                                   ## __VA_ARGS__);                    \
 564                                                                       \
 565                 }                                                     \
 566         } while (0)
 567
 568 #define DP_INFO(cdev, fmt, ...)                                       \
 569         do {                                                          \
 570                 if (unlikely((cdev)->dp_level <= QED_LEVEL_INFO)) {   \
 571                         pr_notice("[%s:%d(%s)]" fmt,                  \
 572                                   __func__, __LINE__,                 \
 573                                   DP_NAME(cdev) ? DP_NAME(cdev) : "", \
 574                                   ## __VA_ARGS__);                    \
 575                 }                                                     \
 576         } while (0)
 577
 578 #define DP_VERBOSE(cdev, module, fmt, ...)                              \
 579         do {                                                            \
 580                 if (unlikely(((cdev)->dp_level <= QED_LEVEL_VERBOSE) && \
 581                              ((cdev)->dp_module & module))) {           \
 582                         pr_notice("[%s:%d(%s)]" fmt,                    \
 583                                   __func__, __LINE__,                   \
 584                                   DP_NAME(cdev) ? DP_NAME(cdev) : "",   \
 585                                   ## __VA_ARGS__);                      \
 586                 }                                                       \
 587         } while (0)
 588
 589 enum DP_LEVEL {
 590         QED_LEVEL_VERBOSE       = 0x0,
 591         QED_LEVEL_INFO          = 0x1,
 592         QED_LEVEL_NOTICE        = 0x2,
 593         QED_LEVEL_ERR           = 0x3,
 594 };
 595
 596 #define QED_LOG_LEVEL_SHIFT     (30)
 597 #define QED_LOG_VERBOSE_MASK    (0x3fffffff)
 598 #define QED_LOG_INFO_MASK       (0x40000000)
 599 #define QED_LOG_NOTICE_MASK     (0x80000000)
 600
 601 enum DP_MODULE {
 602         QED_MSG_SPQ     = 0x10000,
 603         QED_MSG_STATS   = 0x20000,
 604         QED_MSG_DCB     = 0x40000,
 605         QED_MSG_IOV     = 0x80000,
 606         QED_MSG_SP      = 0x100000,
 607         QED_MSG_STORAGE = 0x200000,
 608         QED_MSG_CXT     = 0x800000,
 609         QED_MSG_ILT     = 0x2000000,
 610         QED_MSG_ROCE    = 0x4000000,
 611         QED_MSG_DEBUG   = 0x8000000,
 612         /* to be added...up to 0x8000000 */
 613 };
 614
 615 enum qed_mf_mode {
 616         QED_MF_DEFAULT,
 617         QED_MF_OVLAN,
 618         QED_MF_NPAR,
 619 };
 620
 621 struct qed_eth_stats {
 622         u64     no_buff_discards;
 623         u64     packet_too_big_discard;
 624         u64     ttl0_discard;
 625         u64     rx_ucast_bytes;
 626         u64     rx_mcast_bytes;
 627         u64     rx_bcast_bytes;
 628         u64     rx_ucast_pkts;
 629         u64     rx_mcast_pkts;
 630         u64     rx_bcast_pkts;
 631         u64     mftag_filter_discards;
 632         u64     mac_filter_discards;
 633         u64     tx_ucast_bytes;
 634         u64     tx_mcast_bytes;
 635         u64     tx_bcast_bytes;
 636         u64     tx_ucast_pkts;
 637         u64     tx_mcast_pkts;
 638         u64     tx_bcast_pkts;
 639         u64     tx_err_drop_pkts;
 640         u64     tpa_coalesced_pkts;
 641         u64     tpa_coalesced_events;
 642         u64     tpa_aborts_num;
 643         u64     tpa_not_coalesced_pkts;
 644         u64     tpa_coalesced_bytes;
 645
 646         /* port */
 647         u64     rx_64_byte_packets;
 648         u64     rx_65_to_127_byte_packets;
 649         u64     rx_128_to_255_byte_packets;
 650         u64     rx_256_to_511_byte_packets;
 651         u64     rx_512_to_1023_byte_packets;
 652         u64     rx_1024_to_1518_byte_packets;
 653         u64     rx_1519_to_1522_byte_packets;
 654         u64     rx_1519_to_2047_byte_packets;
 655         u64     rx_2048_to_4095_byte_packets;
 656         u64     rx_4096_to_9216_byte_packets;
 657         u64     rx_9217_to_16383_byte_packets;
 658         u64     rx_crc_errors;
 659         u64     rx_mac_crtl_frames;
 660         u64     rx_pause_frames;
 661         u64     rx_pfc_frames;
 662         u64     rx_align_errors;
 663         u64     rx_carrier_errors;
 664         u64     rx_oversize_packets;
 665         u64     rx_jabbers;
 666         u64     rx_undersize_packets;
 667         u64     rx_fragments;
 668         u64     tx_64_byte_packets;
 669         u64     tx_65_to_127_byte_packets;
 670         u64     tx_128_to_255_byte_packets;
 671         u64     tx_256_to_511_byte_packets;
 672         u64     tx_512_to_1023_byte_packets;
 673         u64     tx_1024_to_1518_byte_packets;
 674         u64     tx_1519_to_2047_byte_packets;
 675         u64     tx_2048_to_4095_byte_packets;
 676         u64     tx_4096_to_9216_byte_packets;
 677         u64     tx_9217_to_16383_byte_packets;
 678         u64     tx_pause_frames;
 679         u64     tx_pfc_frames;
 680         u64     tx_lpi_entry_count;
 681         u64     tx_total_collisions;
 682         u64     brb_truncates;
 683         u64     brb_discards;
 684         u64     rx_mac_bytes;
 685         u64     rx_mac_uc_packets;
 686         u64     rx_mac_mc_packets;
 687         u64     rx_mac_bc_packets;
 688         u64     rx_mac_frames_ok;
 689         u64     tx_mac_bytes;
 690         u64     tx_mac_uc_packets;
 691         u64     tx_mac_mc_packets;
 692         u64     tx_mac_bc_packets;
 693         u64     tx_mac_ctrl_frames;
 694 };
 695
 696 #define QED_SB_IDX              0x0002
 697
 698 #define RX_PI           0
 699 #define TX_PI(tc)       (RX_PI + 1 + tc)
 700
 701 struct qed_sb_cnt_info {
 702         int     sb_cnt;
 703         int     sb_iov_cnt;
 704         int     sb_free_blk;
 705 };
 706
 707 static inline u16 qed_sb_update_sb_idx(struct qed_sb_info *sb_info)
 708 {
 709         u32 prod = 0;
 710         u16 rc = 0;
 711
 712         prod = le32_to_cpu(sb_info->sb_virt->prod_index) &
 713                STATUS_BLOCK_PROD_INDEX_MASK;
 714         if (sb_info->sb_ack != prod) {
 715                 sb_info->sb_ack = prod;
 716                 rc |= QED_SB_IDX;
 717         }
 718
 719         /* Let SB update */
 720         mmiowb();
 721         return rc;
 722 }
 723
 724 /**
 725  *
 726  * @brief This function creates an update command for interrupts that is
 727  *        written to the IGU.
 728  *
 729  * @param sb_info       - This is the structure allocated and
 730  *                 initialized per status block. Assumption is
 731  *                 that it was initialized using qed_sb_init
 732  * @param int_cmd       - Enable/Disable/Nop
 733  * @param upd_flg       - whether igu consumer should be
 734  *                 updated.
 735  *
 736  * @return inline void
 737  */
 738 static inline void qed_sb_ack(struct qed_sb_info *sb_info,
 739                               enum igu_int_cmd int_cmd,
 740                               u8 upd_flg)
 741 {
 742         struct igu_prod_cons_update igu_ack = { 0 };
 743
 744         igu_ack.sb_id_and_flags =
 745                 ((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
 746                  (upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
 747                  (int_cmd << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) |
 748                  (IGU_SEG_ACCESS_REG <<
 749                   IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));
 750
 751         DIRECT_REG_WR(sb_info->igu_addr, igu_ack.sb_id_and_flags);
 752
 753         /* Both segments (interrupts & acks) are written to same place address;
 754          * Need to guarantee all commands will be received (in-order) by HW.
 755          */
 756         mmiowb();
 757         barrier();
 758 }
 759
 760 static inline void __internal_ram_wr(void *p_hwfn,
 761                                      void __iomem *addr,
 762                                      int size,
 763                                      u32 *data)
 764
 765 {
 766         unsigned int i;
 767
 768         for (i = 0; i < size / sizeof(*data); i++)
 769                 DIRECT_REG_WR(&((u32 __iomem *)addr)[i], data[i]);
 770 }
 771
 772 static inline void internal_ram_wr(void __iomem *addr,
 773                                    int size,
 774                                    u32 *data)
 775 {
 776         __internal_ram_wr(NULL, addr, size, data);
 777 }
 778
 779 enum qed_rss_caps {
 780         QED_RSS_IPV4            = 0x1,
 781         QED_RSS_IPV6            = 0x2,
 782         QED_RSS_IPV4_TCP        = 0x4,
 783         QED_RSS_IPV6_TCP        = 0x8,
 784         QED_RSS_IPV4_UDP        = 0x10,
 785         QED_RSS_IPV6_UDP        = 0x20,
 786 };
 787
 788 #define QED_RSS_IND_TABLE_SIZE 128
 789 #define QED_RSS_KEY_SIZE 10 /* size in 32b chunks */
 790 #endif