linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
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   1/* bnx2x_sp.h: Qlogic Everest network driver.
   2 *
   3 * Copyright 2011-2013 Broadcom Corporation
   4 * Copyright (c) 2014 QLogic Corporation
   5 * All rights reserved
   6 *
   7 * Unless you and Qlogic execute a separate written software license
   8 * agreement governing use of this software, this software is licensed to you
   9 * under the terms of the GNU General Public License version 2, available
  10 * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
  11 *
  12 * Notwithstanding the above, under no circumstances may you combine this
  13 * software in any way with any other Qlogic software provided under a
  14 * license other than the GPL, without Qlogic's express prior written
  15 * consent.
  16 *
  17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  18 * Written by: Vladislav Zolotarov
  19 *
  20 */
  21#ifndef BNX2X_SP_VERBS
  22#define BNX2X_SP_VERBS
  23
  24struct bnx2x;
  25struct eth_context;
  26
  27/* Bits representing general command's configuration */
  28enum {
  29        RAMROD_TX,
  30        RAMROD_RX,
  31        /* Wait until all pending commands complete */
  32        RAMROD_COMP_WAIT,
  33        /* Don't send a ramrod, only update a registry */
  34        RAMROD_DRV_CLR_ONLY,
  35        /* Configure HW according to the current object state */
  36        RAMROD_RESTORE,
  37         /* Execute the next command now */
  38        RAMROD_EXEC,
  39        /* Don't add a new command and continue execution of postponed
  40         * commands. If not set a new command will be added to the
  41         * pending commands list.
  42         */
  43        RAMROD_CONT,
  44        /* If there is another pending ramrod, wait until it finishes and
  45         * re-try to submit this one. This flag can be set only in sleepable
  46         * context, and should not be set from the context that completes the
  47         * ramrods as deadlock will occur.
  48         */
  49        RAMROD_RETRY,
  50};
  51
  52typedef enum {
  53        BNX2X_OBJ_TYPE_RX,
  54        BNX2X_OBJ_TYPE_TX,
  55        BNX2X_OBJ_TYPE_RX_TX,
  56} bnx2x_obj_type;
  57
  58/* Public slow path states */
  59enum {
  60        BNX2X_FILTER_MAC_PENDING,
  61        BNX2X_FILTER_VLAN_PENDING,
  62        BNX2X_FILTER_VLAN_MAC_PENDING,
  63        BNX2X_FILTER_RX_MODE_PENDING,
  64        BNX2X_FILTER_RX_MODE_SCHED,
  65        BNX2X_FILTER_ISCSI_ETH_START_SCHED,
  66        BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
  67        BNX2X_FILTER_FCOE_ETH_START_SCHED,
  68        BNX2X_FILTER_FCOE_ETH_STOP_SCHED,
  69        BNX2X_FILTER_MCAST_PENDING,
  70        BNX2X_FILTER_MCAST_SCHED,
  71        BNX2X_FILTER_RSS_CONF_PENDING,
  72        BNX2X_AFEX_FCOE_Q_UPDATE_PENDING,
  73        BNX2X_AFEX_PENDING_VIFSET_MCP_ACK
  74};
  75
  76struct bnx2x_raw_obj {
  77        u8              func_id;
  78
  79        /* Queue params */
  80        u8              cl_id;
  81        u32             cid;
  82
  83        /* Ramrod data buffer params */
  84        void            *rdata;
  85        dma_addr_t      rdata_mapping;
  86
  87        /* Ramrod state params */
  88        int             state;   /* "ramrod is pending" state bit */
  89        unsigned long   *pstate; /* pointer to state buffer */
  90
  91        bnx2x_obj_type  obj_type;
  92
  93        int (*wait_comp)(struct bnx2x *bp,
  94                         struct bnx2x_raw_obj *o);
  95
  96        bool (*check_pending)(struct bnx2x_raw_obj *o);
  97        void (*clear_pending)(struct bnx2x_raw_obj *o);
  98        void (*set_pending)(struct bnx2x_raw_obj *o);
  99};
 100
 101/************************* VLAN-MAC commands related parameters ***************/
 102struct bnx2x_mac_ramrod_data {
 103        u8 mac[ETH_ALEN];
 104        u8 is_inner_mac;
 105};
 106
 107struct bnx2x_vlan_ramrod_data {
 108        u16 vlan;
 109};
 110
 111struct bnx2x_vlan_mac_ramrod_data {
 112        u8 mac[ETH_ALEN];
 113        u8 is_inner_mac;
 114        u16 vlan;
 115};
 116
 117union bnx2x_classification_ramrod_data {
 118        struct bnx2x_mac_ramrod_data mac;
 119        struct bnx2x_vlan_ramrod_data vlan;
 120        struct bnx2x_vlan_mac_ramrod_data vlan_mac;
 121};
 122
 123/* VLAN_MAC commands */
 124enum bnx2x_vlan_mac_cmd {
 125        BNX2X_VLAN_MAC_ADD,
 126        BNX2X_VLAN_MAC_DEL,
 127        BNX2X_VLAN_MAC_MOVE,
 128};
 129
 130struct bnx2x_vlan_mac_data {
 131        /* Requested command: BNX2X_VLAN_MAC_XX */
 132        enum bnx2x_vlan_mac_cmd cmd;
 133        /* used to contain the data related vlan_mac_flags bits from
 134         * ramrod parameters.
 135         */
 136        unsigned long vlan_mac_flags;
 137
 138        /* Needed for MOVE command */
 139        struct bnx2x_vlan_mac_obj *target_obj;
 140
 141        union bnx2x_classification_ramrod_data u;
 142};
 143
 144/*************************** Exe Queue obj ************************************/
 145union bnx2x_exe_queue_cmd_data {
 146        struct bnx2x_vlan_mac_data vlan_mac;
 147
 148        struct {
 149                /* TODO */
 150        } mcast;
 151};
 152
 153struct bnx2x_exeq_elem {
 154        struct list_head                link;
 155
 156        /* Length of this element in the exe_chunk. */
 157        int                             cmd_len;
 158
 159        union bnx2x_exe_queue_cmd_data  cmd_data;
 160};
 161
 162union bnx2x_qable_obj;
 163
 164union bnx2x_exeq_comp_elem {
 165        union event_ring_elem *elem;
 166};
 167
 168struct bnx2x_exe_queue_obj;
 169
 170typedef int (*exe_q_validate)(struct bnx2x *bp,
 171                              union bnx2x_qable_obj *o,
 172                              struct bnx2x_exeq_elem *elem);
 173
 174typedef int (*exe_q_remove)(struct bnx2x *bp,
 175                            union bnx2x_qable_obj *o,
 176                            struct bnx2x_exeq_elem *elem);
 177
 178/* Return positive if entry was optimized, 0 - if not, negative
 179 * in case of an error.
 180 */
 181typedef int (*exe_q_optimize)(struct bnx2x *bp,
 182                              union bnx2x_qable_obj *o,
 183                              struct bnx2x_exeq_elem *elem);
 184typedef int (*exe_q_execute)(struct bnx2x *bp,
 185                             union bnx2x_qable_obj *o,
 186                             struct list_head *exe_chunk,
 187                             unsigned long *ramrod_flags);
 188typedef struct bnx2x_exeq_elem *
 189                        (*exe_q_get)(struct bnx2x_exe_queue_obj *o,
 190                                     struct bnx2x_exeq_elem *elem);
 191
 192struct bnx2x_exe_queue_obj {
 193        /* Commands pending for an execution. */
 194        struct list_head        exe_queue;
 195
 196        /* Commands pending for an completion. */
 197        struct list_head        pending_comp;
 198
 199        spinlock_t              lock;
 200
 201        /* Maximum length of commands' list for one execution */
 202        int                     exe_chunk_len;
 203
 204        union bnx2x_qable_obj   *owner;
 205
 206        /****** Virtual functions ******/
 207        /**
 208         * Called before commands execution for commands that are really
 209         * going to be executed (after 'optimize').
 210         *
 211         * Must run under exe_queue->lock
 212         */
 213        exe_q_validate          validate;
 214
 215        /**
 216         * Called before removing pending commands, cleaning allocated
 217         * resources (e.g., credits from validate)
 218         */
 219         exe_q_remove           remove;
 220
 221        /**
 222         * This will try to cancel the current pending commands list
 223         * considering the new command.
 224         *
 225         * Returns the number of optimized commands or a negative error code
 226         *
 227         * Must run under exe_queue->lock
 228         */
 229        exe_q_optimize          optimize;
 230
 231        /**
 232         * Run the next commands chunk (owner specific).
 233         */
 234        exe_q_execute           execute;
 235
 236        /**
 237         * Return the exe_queue element containing the specific command
 238         * if any. Otherwise return NULL.
 239         */
 240        exe_q_get               get;
 241};
 242/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
 243/*
 244 * Element in the VLAN_MAC registry list having all currently configured
 245 * rules.
 246 */
 247struct bnx2x_vlan_mac_registry_elem {
 248        struct list_head        link;
 249
 250        /* Used to store the cam offset used for the mac/vlan/vlan-mac.
 251         * Relevant for 57710 and 57711 only. VLANs and MACs share the
 252         * same CAM for these chips.
 253         */
 254        int                     cam_offset;
 255
 256        /* Needed for DEL and RESTORE flows */
 257        unsigned long           vlan_mac_flags;
 258
 259        union bnx2x_classification_ramrod_data u;
 260};
 261
 262/* Bits representing VLAN_MAC commands specific flags */
 263enum {
 264        BNX2X_UC_LIST_MAC,
 265        BNX2X_ETH_MAC,
 266        BNX2X_ISCSI_ETH_MAC,
 267        BNX2X_NETQ_ETH_MAC,
 268        BNX2X_VLAN,
 269        BNX2X_DONT_CONSUME_CAM_CREDIT,
 270        BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
 271};
 272/* When looking for matching filters, some flags are not interesting */
 273#define BNX2X_VLAN_MAC_CMP_MASK (1 << BNX2X_UC_LIST_MAC | \
 274                                 1 << BNX2X_ETH_MAC | \
 275                                 1 << BNX2X_ISCSI_ETH_MAC | \
 276                                 1 << BNX2X_NETQ_ETH_MAC | \
 277                                 1 << BNX2X_VLAN)
 278#define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \
 279        ((flags) & BNX2X_VLAN_MAC_CMP_MASK)
 280
 281struct bnx2x_vlan_mac_ramrod_params {
 282        /* Object to run the command from */
 283        struct bnx2x_vlan_mac_obj *vlan_mac_obj;
 284
 285        /* General command flags: COMP_WAIT, etc. */
 286        unsigned long ramrod_flags;
 287
 288        /* Command specific configuration request */
 289        struct bnx2x_vlan_mac_data user_req;
 290};
 291
 292struct bnx2x_vlan_mac_obj {
 293        struct bnx2x_raw_obj raw;
 294
 295        /* Bookkeeping list: will prevent the addition of already existing
 296         * entries.
 297         */
 298        struct list_head                head;
 299        /* Implement a simple reader/writer lock on the head list.
 300         * all these fields should only be accessed under the exe_queue lock
 301         */
 302        u8              head_reader; /* Num. of readers accessing head list */
 303        bool            head_exe_request; /* Pending execution request. */
 304        unsigned long   saved_ramrod_flags; /* Ramrods of pending execution */
 305
 306        /* TODO: Add it's initialization in the init functions */
 307        struct bnx2x_exe_queue_obj      exe_queue;
 308
 309        /* MACs credit pool */
 310        struct bnx2x_credit_pool_obj    *macs_pool;
 311
 312        /* VLANs credit pool */
 313        struct bnx2x_credit_pool_obj    *vlans_pool;
 314
 315        /* RAMROD command to be used */
 316        int                             ramrod_cmd;
 317
 318        /* copy first n elements onto preallocated buffer
 319         *
 320         * @param n number of elements to get
 321         * @param buf buffer preallocated by caller into which elements
 322         *            will be copied. Note elements are 4-byte aligned
 323         *            so buffer size must be able to accommodate the
 324         *            aligned elements.
 325         *
 326         * @return number of copied bytes
 327         */
 328        int (*get_n_elements)(struct bnx2x *bp,
 329                              struct bnx2x_vlan_mac_obj *o, int n, u8 *base,
 330                              u8 stride, u8 size);
 331
 332        /**
 333         * Checks if ADD-ramrod with the given params may be performed.
 334         *
 335         * @return zero if the element may be added
 336         */
 337
 338        int (*check_add)(struct bnx2x *bp,
 339                         struct bnx2x_vlan_mac_obj *o,
 340                         union bnx2x_classification_ramrod_data *data);
 341
 342        /**
 343         * Checks if DEL-ramrod with the given params may be performed.
 344         *
 345         * @return true if the element may be deleted
 346         */
 347        struct bnx2x_vlan_mac_registry_elem *
 348                (*check_del)(struct bnx2x *bp,
 349                             struct bnx2x_vlan_mac_obj *o,
 350                             union bnx2x_classification_ramrod_data *data);
 351
 352        /**
 353         * Checks if DEL-ramrod with the given params may be performed.
 354         *
 355         * @return true if the element may be deleted
 356         */
 357        bool (*check_move)(struct bnx2x *bp,
 358                           struct bnx2x_vlan_mac_obj *src_o,
 359                           struct bnx2x_vlan_mac_obj *dst_o,
 360                           union bnx2x_classification_ramrod_data *data);
 361
 362        /**
 363         *  Update the relevant credit object(s) (consume/return
 364         *  correspondingly).
 365         */
 366        bool (*get_credit)(struct bnx2x_vlan_mac_obj *o);
 367        bool (*put_credit)(struct bnx2x_vlan_mac_obj *o);
 368        bool (*get_cam_offset)(struct bnx2x_vlan_mac_obj *o, int *offset);
 369        bool (*put_cam_offset)(struct bnx2x_vlan_mac_obj *o, int offset);
 370
 371        /**
 372         * Configures one rule in the ramrod data buffer.
 373         */
 374        void (*set_one_rule)(struct bnx2x *bp,
 375                             struct bnx2x_vlan_mac_obj *o,
 376                             struct bnx2x_exeq_elem *elem, int rule_idx,
 377                             int cam_offset);
 378
 379        /**
 380        *  Delete all configured elements having the given
 381        *  vlan_mac_flags specification. Assumes no pending for
 382        *  execution commands. Will schedule all all currently
 383        *  configured MACs/VLANs/VLAN-MACs matching the vlan_mac_flags
 384        *  specification for deletion and will use the given
 385        *  ramrod_flags for the last DEL operation.
 386         *
 387         * @param bp
 388         * @param o
 389         * @param ramrod_flags RAMROD_XX flags
 390         *
 391         * @return 0 if the last operation has completed successfully
 392         *         and there are no more elements left, positive value
 393         *         if there are pending for completion commands,
 394         *         negative value in case of failure.
 395         */
 396        int (*delete_all)(struct bnx2x *bp,
 397                          struct bnx2x_vlan_mac_obj *o,
 398                          unsigned long *vlan_mac_flags,
 399                          unsigned long *ramrod_flags);
 400
 401        /**
 402         * Reconfigures the next MAC/VLAN/VLAN-MAC element from the previously
 403         * configured elements list.
 404         *
 405         * @param bp
 406         * @param p Command parameters (RAMROD_COMP_WAIT bit in
 407         *          ramrod_flags is only taken into an account)
 408         * @param ppos a pointer to the cookie that should be given back in the
 409         *        next call to make function handle the next element. If
 410         *        *ppos is set to NULL it will restart the iterator.
 411         *        If returned *ppos == NULL this means that the last
 412         *        element has been handled.
 413         *
 414         * @return int
 415         */
 416        int (*restore)(struct bnx2x *bp,
 417                       struct bnx2x_vlan_mac_ramrod_params *p,
 418                       struct bnx2x_vlan_mac_registry_elem **ppos);
 419
 420        /**
 421         * Should be called on a completion arrival.
 422         *
 423         * @param bp
 424         * @param o
 425         * @param cqe Completion element we are handling
 426         * @param ramrod_flags if RAMROD_CONT is set the next bulk of
 427         *                     pending commands will be executed.
 428         *                     RAMROD_DRV_CLR_ONLY and RAMROD_RESTORE
 429         *                     may also be set if needed.
 430         *
 431         * @return 0 if there are neither pending nor waiting for
 432         *         completion commands. Positive value if there are
 433         *         pending for execution or for completion commands.
 434         *         Negative value in case of an error (including an
 435         *         error in the cqe).
 436         */
 437        int (*complete)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o,
 438                        union event_ring_elem *cqe,
 439                        unsigned long *ramrod_flags);
 440
 441        /**
 442         * Wait for completion of all commands. Don't schedule new ones,
 443         * just wait. It assumes that the completion code will schedule
 444         * for new commands.
 445         */
 446        int (*wait)(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o);
 447};
 448
 449enum {
 450        BNX2X_LLH_CAM_ISCSI_ETH_LINE = 0,
 451        BNX2X_LLH_CAM_ETH_LINE,
 452        BNX2X_LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE / 2
 453};
 454
 455/** RX_MODE verbs:DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
 456
 457/* RX_MODE ramrod special flags: set in rx_mode_flags field in
 458 * a bnx2x_rx_mode_ramrod_params.
 459 */
 460enum {
 461        BNX2X_RX_MODE_FCOE_ETH,
 462        BNX2X_RX_MODE_ISCSI_ETH,
 463};
 464
 465enum {
 466        BNX2X_ACCEPT_UNICAST,
 467        BNX2X_ACCEPT_MULTICAST,
 468        BNX2X_ACCEPT_ALL_UNICAST,
 469        BNX2X_ACCEPT_ALL_MULTICAST,
 470        BNX2X_ACCEPT_BROADCAST,
 471        BNX2X_ACCEPT_UNMATCHED,
 472        BNX2X_ACCEPT_ANY_VLAN
 473};
 474
 475struct bnx2x_rx_mode_ramrod_params {
 476        struct bnx2x_rx_mode_obj *rx_mode_obj;
 477        unsigned long *pstate;
 478        int state;
 479        u8 cl_id;
 480        u32 cid;
 481        u8 func_id;
 482        unsigned long ramrod_flags;
 483        unsigned long rx_mode_flags;
 484
 485        /* rdata is either a pointer to eth_filter_rules_ramrod_data(e2) or to
 486         * a tstorm_eth_mac_filter_config (e1x).
 487         */
 488        void *rdata;
 489        dma_addr_t rdata_mapping;
 490
 491        /* Rx mode settings */
 492        unsigned long rx_accept_flags;
 493
 494        /* internal switching settings */
 495        unsigned long tx_accept_flags;
 496};
 497
 498struct bnx2x_rx_mode_obj {
 499        int (*config_rx_mode)(struct bnx2x *bp,
 500                              struct bnx2x_rx_mode_ramrod_params *p);
 501
 502        int (*wait_comp)(struct bnx2x *bp,
 503                         struct bnx2x_rx_mode_ramrod_params *p);
 504};
 505
 506/********************** Set multicast group ***********************************/
 507
 508struct bnx2x_mcast_list_elem {
 509        struct list_head link;
 510        u8 *mac;
 511};
 512
 513union bnx2x_mcast_config_data {
 514        u8 *mac;
 515        u8 bin; /* used in a RESTORE flow */
 516};
 517
 518struct bnx2x_mcast_ramrod_params {
 519        struct bnx2x_mcast_obj *mcast_obj;
 520
 521        /* Relevant options are RAMROD_COMP_WAIT and RAMROD_DRV_CLR_ONLY */
 522        unsigned long ramrod_flags;
 523
 524        struct list_head mcast_list; /* list of struct bnx2x_mcast_list_elem */
 525        /** TODO:
 526         *      - rename it to macs_num.
 527         *      - Add a new command type for handling pending commands
 528         *        (remove "zero semantics").
 529         *
 530         *  Length of mcast_list. If zero and ADD_CONT command - post
 531         *  pending commands.
 532         */
 533        int mcast_list_len;
 534};
 535
 536enum bnx2x_mcast_cmd {
 537        BNX2X_MCAST_CMD_ADD,
 538        BNX2X_MCAST_CMD_CONT,
 539        BNX2X_MCAST_CMD_DEL,
 540        BNX2X_MCAST_CMD_RESTORE,
 541
 542        /* Following this, multicast configuration should equal to approx
 543         * the set of MACs provided [i.e., remove all else].
 544         * The two sub-commands are used internally to decide whether a given
 545         * bin is to be added or removed
 546         */
 547        BNX2X_MCAST_CMD_SET,
 548        BNX2X_MCAST_CMD_SET_ADD,
 549        BNX2X_MCAST_CMD_SET_DEL,
 550};
 551
 552struct bnx2x_mcast_obj {
 553        struct bnx2x_raw_obj raw;
 554
 555        union {
 556                struct {
 557                #define BNX2X_MCAST_BINS_NUM    256
 558                #define BNX2X_MCAST_VEC_SZ      (BNX2X_MCAST_BINS_NUM / 64)
 559                        u64 vec[BNX2X_MCAST_VEC_SZ];
 560
 561                        /** Number of BINs to clear. Should be updated
 562                         *  immediately when a command arrives in order to
 563                         *  properly create DEL commands.
 564                         */
 565                        int num_bins_set;
 566                } aprox_match;
 567
 568                struct {
 569                        struct list_head macs;
 570                        int num_macs_set;
 571                } exact_match;
 572        } registry;
 573
 574        /* Pending commands */
 575        struct list_head pending_cmds_head;
 576
 577        /* A state that is set in raw.pstate, when there are pending commands */
 578        int sched_state;
 579
 580        /* Maximal number of mcast MACs configured in one command */
 581        int max_cmd_len;
 582
 583        /* Total number of currently pending MACs to configure: both
 584         * in the pending commands list and in the current command.
 585         */
 586        int total_pending_num;
 587
 588        u8 engine_id;
 589
 590        /**
 591         * @param cmd command to execute (BNX2X_MCAST_CMD_X, see above)
 592         */
 593        int (*config_mcast)(struct bnx2x *bp,
 594                            struct bnx2x_mcast_ramrod_params *p,
 595                            enum bnx2x_mcast_cmd cmd);
 596
 597        /**
 598         * Fills the ramrod data during the RESTORE flow.
 599         *
 600         * @param bp
 601         * @param o
 602         * @param start_idx Registry index to start from
 603         * @param rdata_idx Index in the ramrod data to start from
 604         *
 605         * @return -1 if we handled the whole registry or index of the last
 606         *         handled registry element.
 607         */
 608        int (*hdl_restore)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
 609                           int start_bin, int *rdata_idx);
 610
 611        int (*enqueue_cmd)(struct bnx2x *bp, struct bnx2x_mcast_obj *o,
 612                           struct bnx2x_mcast_ramrod_params *p,
 613                           enum bnx2x_mcast_cmd cmd);
 614
 615        void (*set_one_rule)(struct bnx2x *bp,
 616                             struct bnx2x_mcast_obj *o, int idx,
 617                             union bnx2x_mcast_config_data *cfg_data,
 618                             enum bnx2x_mcast_cmd cmd);
 619
 620        /** Checks if there are more mcast MACs to be set or a previous
 621         *  command is still pending.
 622         */
 623        bool (*check_pending)(struct bnx2x_mcast_obj *o);
 624
 625        /**
 626         * Set/Clear/Check SCHEDULED state of the object
 627         */
 628        void (*set_sched)(struct bnx2x_mcast_obj *o);
 629        void (*clear_sched)(struct bnx2x_mcast_obj *o);
 630        bool (*check_sched)(struct bnx2x_mcast_obj *o);
 631
 632        /* Wait until all pending commands complete */
 633        int (*wait_comp)(struct bnx2x *bp, struct bnx2x_mcast_obj *o);
 634
 635        /**
 636         * Handle the internal object counters needed for proper
 637         * commands handling. Checks that the provided parameters are
 638         * feasible.
 639         */
 640        int (*validate)(struct bnx2x *bp,
 641                        struct bnx2x_mcast_ramrod_params *p,
 642                        enum bnx2x_mcast_cmd cmd);
 643
 644        /**
 645         * Restore the values of internal counters in case of a failure.
 646         */
 647        void (*revert)(struct bnx2x *bp,
 648                       struct bnx2x_mcast_ramrod_params *p,
 649                       int old_num_bins,
 650                       enum bnx2x_mcast_cmd cmd);
 651
 652        int (*get_registry_size)(struct bnx2x_mcast_obj *o);
 653        void (*set_registry_size)(struct bnx2x_mcast_obj *o, int n);
 654};
 655
 656/*************************** Credit handling **********************************/
 657struct bnx2x_credit_pool_obj {
 658
 659        /* Current amount of credit in the pool */
 660        atomic_t        credit;
 661
 662        /* Maximum allowed credit. put() will check against it. */
 663        int             pool_sz;
 664
 665        /* Allocate a pool table statically.
 666         *
 667         * Currently the maximum allowed size is MAX_MAC_CREDIT_E2(272)
 668         *
 669         * The set bit in the table will mean that the entry is available.
 670         */
 671#define BNX2X_POOL_VEC_SIZE     (MAX_MAC_CREDIT_E2 / 64)
 672        u64             pool_mirror[BNX2X_POOL_VEC_SIZE];
 673
 674        /* Base pool offset (initialized differently */
 675        int             base_pool_offset;
 676
 677        /**
 678         * Get the next free pool entry.
 679         *
 680         * @return true if there was a free entry in the pool
 681         */
 682        bool (*get_entry)(struct bnx2x_credit_pool_obj *o, int *entry);
 683
 684        /**
 685         * Return the entry back to the pool.
 686         *
 687         * @return true if entry is legal and has been successfully
 688         *         returned to the pool.
 689         */
 690        bool (*put_entry)(struct bnx2x_credit_pool_obj *o, int entry);
 691
 692        /**
 693         * Get the requested amount of credit from the pool.
 694         *
 695         * @param cnt Amount of requested credit
 696         * @return true if the operation is successful
 697         */
 698        bool (*get)(struct bnx2x_credit_pool_obj *o, int cnt);
 699
 700        /**
 701         * Returns the credit to the pool.
 702         *
 703         * @param cnt Amount of credit to return
 704         * @return true if the operation is successful
 705         */
 706        bool (*put)(struct bnx2x_credit_pool_obj *o, int cnt);
 707
 708        /**
 709         * Reads the current amount of credit.
 710         */
 711        int (*check)(struct bnx2x_credit_pool_obj *o);
 712};
 713
 714/*************************** RSS configuration ********************************/
 715enum {
 716        /* RSS_MODE bits are mutually exclusive */
 717        BNX2X_RSS_MODE_DISABLED,
 718        BNX2X_RSS_MODE_REGULAR,
 719
 720        BNX2X_RSS_SET_SRCH, /* Setup searcher, E1x specific flag */
 721
 722        BNX2X_RSS_IPV4,
 723        BNX2X_RSS_IPV4_TCP,
 724        BNX2X_RSS_IPV4_UDP,
 725        BNX2X_RSS_IPV6,
 726        BNX2X_RSS_IPV6_TCP,
 727        BNX2X_RSS_IPV6_UDP,
 728
 729        BNX2X_RSS_IPV4_VXLAN,
 730        BNX2X_RSS_IPV6_VXLAN,
 731        BNX2X_RSS_TUNN_INNER_HDRS,
 732};
 733
 734struct bnx2x_config_rss_params {
 735        struct bnx2x_rss_config_obj *rss_obj;
 736
 737        /* may have RAMROD_COMP_WAIT set only */
 738        unsigned long   ramrod_flags;
 739
 740        /* BNX2X_RSS_X bits */
 741        unsigned long   rss_flags;
 742
 743        /* Number hash bits to take into an account */
 744        u8              rss_result_mask;
 745
 746        /* Indirection table */
 747        u8              ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
 748
 749        /* RSS hash values */
 750        u32             rss_key[10];
 751
 752        /* valid only iff BNX2X_RSS_UPDATE_TOE is set */
 753        u16             toe_rss_bitmap;
 754};
 755
 756struct bnx2x_rss_config_obj {
 757        struct bnx2x_raw_obj    raw;
 758
 759        /* RSS engine to use */
 760        u8                      engine_id;
 761
 762        /* Last configured indirection table */
 763        u8                      ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
 764
 765        /* flags for enabling 4-tupple hash on UDP */
 766        u8                      udp_rss_v4;
 767        u8                      udp_rss_v6;
 768
 769        int (*config_rss)(struct bnx2x *bp,
 770                          struct bnx2x_config_rss_params *p);
 771};
 772
 773/*********************** Queue state update ***********************************/
 774
 775/* UPDATE command options */
 776enum {
 777        BNX2X_Q_UPDATE_IN_VLAN_REM,
 778        BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG,
 779        BNX2X_Q_UPDATE_OUT_VLAN_REM,
 780        BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG,
 781        BNX2X_Q_UPDATE_ANTI_SPOOF,
 782        BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG,
 783        BNX2X_Q_UPDATE_ACTIVATE,
 784        BNX2X_Q_UPDATE_ACTIVATE_CHNG,
 785        BNX2X_Q_UPDATE_DEF_VLAN_EN,
 786        BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
 787        BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
 788        BNX2X_Q_UPDATE_SILENT_VLAN_REM,
 789        BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
 790        BNX2X_Q_UPDATE_TX_SWITCHING,
 791        BNX2X_Q_UPDATE_PTP_PKTS_CHNG,
 792        BNX2X_Q_UPDATE_PTP_PKTS,
 793};
 794
 795/* Allowed Queue states */
 796enum bnx2x_q_state {
 797        BNX2X_Q_STATE_RESET,
 798        BNX2X_Q_STATE_INITIALIZED,
 799        BNX2X_Q_STATE_ACTIVE,
 800        BNX2X_Q_STATE_MULTI_COS,
 801        BNX2X_Q_STATE_MCOS_TERMINATED,
 802        BNX2X_Q_STATE_INACTIVE,
 803        BNX2X_Q_STATE_STOPPED,
 804        BNX2X_Q_STATE_TERMINATED,
 805        BNX2X_Q_STATE_FLRED,
 806        BNX2X_Q_STATE_MAX,
 807};
 808
 809/* Allowed Queue states */
 810enum bnx2x_q_logical_state {
 811        BNX2X_Q_LOGICAL_STATE_ACTIVE,
 812        BNX2X_Q_LOGICAL_STATE_STOPPED,
 813};
 814
 815/* Allowed commands */
 816enum bnx2x_queue_cmd {
 817        BNX2X_Q_CMD_INIT,
 818        BNX2X_Q_CMD_SETUP,
 819        BNX2X_Q_CMD_SETUP_TX_ONLY,
 820        BNX2X_Q_CMD_DEACTIVATE,
 821        BNX2X_Q_CMD_ACTIVATE,
 822        BNX2X_Q_CMD_UPDATE,
 823        BNX2X_Q_CMD_UPDATE_TPA,
 824        BNX2X_Q_CMD_HALT,
 825        BNX2X_Q_CMD_CFC_DEL,
 826        BNX2X_Q_CMD_TERMINATE,
 827        BNX2X_Q_CMD_EMPTY,
 828        BNX2X_Q_CMD_MAX,
 829};
 830
 831/* queue SETUP + INIT flags */
 832enum {
 833        BNX2X_Q_FLG_TPA,
 834        BNX2X_Q_FLG_TPA_IPV6,
 835        BNX2X_Q_FLG_TPA_GRO,
 836        BNX2X_Q_FLG_STATS,
 837        BNX2X_Q_FLG_ZERO_STATS,
 838        BNX2X_Q_FLG_ACTIVE,
 839        BNX2X_Q_FLG_OV,
 840        BNX2X_Q_FLG_VLAN,
 841        BNX2X_Q_FLG_COS,
 842        BNX2X_Q_FLG_HC,
 843        BNX2X_Q_FLG_HC_EN,
 844        BNX2X_Q_FLG_DHC,
 845        BNX2X_Q_FLG_FCOE,
 846        BNX2X_Q_FLG_LEADING_RSS,
 847        BNX2X_Q_FLG_MCAST,
 848        BNX2X_Q_FLG_DEF_VLAN,
 849        BNX2X_Q_FLG_TX_SWITCH,
 850        BNX2X_Q_FLG_TX_SEC,
 851        BNX2X_Q_FLG_ANTI_SPOOF,
 852        BNX2X_Q_FLG_SILENT_VLAN_REM,
 853        BNX2X_Q_FLG_FORCE_DEFAULT_PRI,
 854        BNX2X_Q_FLG_REFUSE_OUTBAND_VLAN,
 855        BNX2X_Q_FLG_PCSUM_ON_PKT,
 856        BNX2X_Q_FLG_TUN_INC_INNER_IP_ID
 857};
 858
 859/* Queue type options: queue type may be a combination of below. */
 860enum bnx2x_q_type {
 861        /** TODO: Consider moving both these flags into the init()
 862         *        ramrod params.
 863         */
 864        BNX2X_Q_TYPE_HAS_RX,
 865        BNX2X_Q_TYPE_HAS_TX,
 866};
 867
 868#define BNX2X_PRIMARY_CID_INDEX                 0
 869#define BNX2X_MULTI_TX_COS_E1X                  3 /* QM only */
 870#define BNX2X_MULTI_TX_COS_E2_E3A0              2
 871#define BNX2X_MULTI_TX_COS_E3B0                 3
 872#define BNX2X_MULTI_TX_COS                      3 /* Maximum possible */
 873
 874#define MAC_PAD (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
 875/* DMAE channel to be used by FW for timesync workaroun. A driver that sends
 876 * timesync-related ramrods must not use this DMAE command ID.
 877 */
 878#define FW_DMAE_CMD_ID 6
 879
 880struct bnx2x_queue_init_params {
 881        struct {
 882                unsigned long   flags;
 883                u16             hc_rate;
 884                u8              fw_sb_id;
 885                u8              sb_cq_index;
 886        } tx;
 887
 888        struct {
 889                unsigned long   flags;
 890                u16             hc_rate;
 891                u8              fw_sb_id;
 892                u8              sb_cq_index;
 893        } rx;
 894
 895        /* CID context in the host memory */
 896        struct eth_context *cxts[BNX2X_MULTI_TX_COS];
 897
 898        /* maximum number of cos supported by hardware */
 899        u8 max_cos;
 900};
 901
 902struct bnx2x_queue_terminate_params {
 903        /* index within the tx_only cids of this queue object */
 904        u8 cid_index;
 905};
 906
 907struct bnx2x_queue_cfc_del_params {
 908        /* index within the tx_only cids of this queue object */
 909        u8 cid_index;
 910};
 911
 912struct bnx2x_queue_update_params {
 913        unsigned long   update_flags; /* BNX2X_Q_UPDATE_XX bits */
 914        u16             def_vlan;
 915        u16             silent_removal_value;
 916        u16             silent_removal_mask;
 917/* index within the tx_only cids of this queue object */
 918        u8              cid_index;
 919};
 920
 921struct bnx2x_queue_update_tpa_params {
 922        dma_addr_t sge_map;
 923        u8 update_ipv4;
 924        u8 update_ipv6;
 925        u8 max_tpa_queues;
 926        u8 max_sges_pkt;
 927        u8 complete_on_both_clients;
 928        u8 dont_verify_thr;
 929        u8 tpa_mode;
 930        u8 _pad;
 931
 932        u16 sge_buff_sz;
 933        u16 max_agg_sz;
 934
 935        u16 sge_pause_thr_low;
 936        u16 sge_pause_thr_high;
 937};
 938
 939struct rxq_pause_params {
 940        u16             bd_th_lo;
 941        u16             bd_th_hi;
 942        u16             rcq_th_lo;
 943        u16             rcq_th_hi;
 944        u16             sge_th_lo; /* valid iff BNX2X_Q_FLG_TPA */
 945        u16             sge_th_hi; /* valid iff BNX2X_Q_FLG_TPA */
 946        u16             pri_map;
 947};
 948
 949/* general */
 950struct bnx2x_general_setup_params {
 951        /* valid iff BNX2X_Q_FLG_STATS */
 952        u8              stat_id;
 953
 954        u8              spcl_id;
 955        u16             mtu;
 956        u8              cos;
 957
 958        u8              fp_hsi;
 959};
 960
 961struct bnx2x_rxq_setup_params {
 962        /* dma */
 963        dma_addr_t      dscr_map;
 964        dma_addr_t      sge_map;
 965        dma_addr_t      rcq_map;
 966        dma_addr_t      rcq_np_map;
 967
 968        u16             drop_flags;
 969        u16             buf_sz;
 970        u8              fw_sb_id;
 971        u8              cl_qzone_id;
 972
 973        /* valid iff BNX2X_Q_FLG_TPA */
 974        u16             tpa_agg_sz;
 975        u16             sge_buf_sz;
 976        u8              max_sges_pkt;
 977        u8              max_tpa_queues;
 978        u8              rss_engine_id;
 979
 980        /* valid iff BNX2X_Q_FLG_MCAST */
 981        u8              mcast_engine_id;
 982
 983        u8              cache_line_log;
 984
 985        u8              sb_cq_index;
 986
 987        /* valid iff BXN2X_Q_FLG_SILENT_VLAN_REM */
 988        u16 silent_removal_value;
 989        u16 silent_removal_mask;
 990};
 991
 992struct bnx2x_txq_setup_params {
 993        /* dma */
 994        dma_addr_t      dscr_map;
 995
 996        u8              fw_sb_id;
 997        u8              sb_cq_index;
 998        u8              cos;            /* valid iff BNX2X_Q_FLG_COS */
 999        u16             traffic_type;
1000        /* equals to the leading rss client id, used for TX classification*/
1001        u8              tss_leading_cl_id;
1002
1003        /* valid iff BNX2X_Q_FLG_DEF_VLAN */
1004        u16             default_vlan;
1005};
1006
1007struct bnx2x_queue_setup_params {
1008        struct bnx2x_general_setup_params gen_params;
1009        struct bnx2x_txq_setup_params txq_params;
1010        struct bnx2x_rxq_setup_params rxq_params;
1011        struct rxq_pause_params pause_params;
1012        unsigned long flags;
1013};
1014
1015struct bnx2x_queue_setup_tx_only_params {
1016        struct bnx2x_general_setup_params       gen_params;
1017        struct bnx2x_txq_setup_params           txq_params;
1018        unsigned long                           flags;
1019        /* index within the tx_only cids of this queue object */
1020        u8                                      cid_index;
1021};
1022
1023struct bnx2x_queue_state_params {
1024        struct bnx2x_queue_sp_obj *q_obj;
1025
1026        /* Current command */
1027        enum bnx2x_queue_cmd cmd;
1028
1029        /* may have RAMROD_COMP_WAIT set only */
1030        unsigned long ramrod_flags;
1031
1032        /* Params according to the current command */
1033        union {
1034                struct bnx2x_queue_update_params        update;
1035                struct bnx2x_queue_update_tpa_params    update_tpa;
1036                struct bnx2x_queue_setup_params         setup;
1037                struct bnx2x_queue_init_params          init;
1038                struct bnx2x_queue_setup_tx_only_params tx_only;
1039                struct bnx2x_queue_terminate_params     terminate;
1040                struct bnx2x_queue_cfc_del_params       cfc_del;
1041        } params;
1042};
1043
1044struct bnx2x_viflist_params {
1045        u8 echo_res;
1046        u8 func_bit_map_res;
1047};
1048
1049struct bnx2x_queue_sp_obj {
1050        u32             cids[BNX2X_MULTI_TX_COS];
1051        u8              cl_id;
1052        u8              func_id;
1053
1054        /* number of traffic classes supported by queue.
1055         * The primary connection of the queue supports the first traffic
1056         * class. Any further traffic class is supported by a tx-only
1057         * connection.
1058         *
1059         * Therefore max_cos is also a number of valid entries in the cids
1060         * array.
1061         */
1062        u8 max_cos;
1063        u8 num_tx_only, next_tx_only;
1064
1065        enum bnx2x_q_state state, next_state;
1066
1067        /* bits from enum bnx2x_q_type */
1068        unsigned long   type;
1069
1070        /* BNX2X_Q_CMD_XX bits. This object implements "one
1071         * pending" paradigm but for debug and tracing purposes it's
1072         * more convenient to have different bits for different
1073         * commands.
1074         */
1075        unsigned long   pending;
1076
1077        /* Buffer to use as a ramrod data and its mapping */
1078        void            *rdata;
1079        dma_addr_t      rdata_mapping;
1080
1081        /**
1082         * Performs one state change according to the given parameters.
1083         *
1084         * @return 0 in case of success and negative value otherwise.
1085         */
1086        int (*send_cmd)(struct bnx2x *bp,
1087                        struct bnx2x_queue_state_params *params);
1088
1089        /**
1090         * Sets the pending bit according to the requested transition.
1091         */
1092        int (*set_pending)(struct bnx2x_queue_sp_obj *o,
1093                           struct bnx2x_queue_state_params *params);
1094
1095        /**
1096         * Checks that the requested state transition is legal.
1097         */
1098        int (*check_transition)(struct bnx2x *bp,
1099                                struct bnx2x_queue_sp_obj *o,
1100                                struct bnx2x_queue_state_params *params);
1101
1102        /**
1103         * Completes the pending command.
1104         */
1105        int (*complete_cmd)(struct bnx2x *bp,
1106                            struct bnx2x_queue_sp_obj *o,
1107                            enum bnx2x_queue_cmd);
1108
1109        int (*wait_comp)(struct bnx2x *bp,
1110                         struct bnx2x_queue_sp_obj *o,
1111                         enum bnx2x_queue_cmd cmd);
1112};
1113
1114/********************** Function state update *********************************/
1115
1116/* UPDATE command options */
1117enum {
1118        BNX2X_F_UPDATE_TX_SWITCH_SUSPEND_CHNG,
1119        BNX2X_F_UPDATE_TX_SWITCH_SUSPEND,
1120        BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
1121        BNX2X_F_UPDATE_SD_VLAN_ETH_TYPE_CHNG,
1122        BNX2X_F_UPDATE_VLAN_FORCE_PRIO_CHNG,
1123        BNX2X_F_UPDATE_VLAN_FORCE_PRIO_FLAG,
1124        BNX2X_F_UPDATE_TUNNEL_CFG_CHNG,
1125        BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GRE,
1126        BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_VXLAN,
1127        BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GENEVE,
1128        BNX2X_F_UPDATE_TUNNEL_INNER_RSS,
1129};
1130
1131/* Allowed Function states */
1132enum bnx2x_func_state {
1133        BNX2X_F_STATE_RESET,
1134        BNX2X_F_STATE_INITIALIZED,
1135        BNX2X_F_STATE_STARTED,
1136        BNX2X_F_STATE_TX_STOPPED,
1137        BNX2X_F_STATE_MAX,
1138};
1139
1140/* Allowed Function commands */
1141enum bnx2x_func_cmd {
1142        BNX2X_F_CMD_HW_INIT,
1143        BNX2X_F_CMD_START,
1144        BNX2X_F_CMD_STOP,
1145        BNX2X_F_CMD_HW_RESET,
1146        BNX2X_F_CMD_AFEX_UPDATE,
1147        BNX2X_F_CMD_AFEX_VIFLISTS,
1148        BNX2X_F_CMD_TX_STOP,
1149        BNX2X_F_CMD_TX_START,
1150        BNX2X_F_CMD_SWITCH_UPDATE,
1151        BNX2X_F_CMD_SET_TIMESYNC,
1152        BNX2X_F_CMD_MAX,
1153};
1154
1155struct bnx2x_func_hw_init_params {
1156        /* A load phase returned by MCP.
1157         *
1158         * May be:
1159         *              FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
1160         *              FW_MSG_CODE_DRV_LOAD_COMMON
1161         *              FW_MSG_CODE_DRV_LOAD_PORT
1162         *              FW_MSG_CODE_DRV_LOAD_FUNCTION
1163         */
1164        u32 load_phase;
1165};
1166
1167struct bnx2x_func_hw_reset_params {
1168        /* A load phase returned by MCP.
1169         *
1170         * May be:
1171         *              FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
1172         *              FW_MSG_CODE_DRV_LOAD_COMMON
1173         *              FW_MSG_CODE_DRV_LOAD_PORT
1174         *              FW_MSG_CODE_DRV_LOAD_FUNCTION
1175         */
1176        u32 reset_phase;
1177};
1178
1179struct bnx2x_func_start_params {
1180        /* Multi Function mode:
1181         *      - Single Function
1182         *      - Switch Dependent
1183         *      - Switch Independent
1184         */
1185        u16 mf_mode;
1186
1187        /* Switch Dependent mode outer VLAN tag */
1188        u16 sd_vlan_tag;
1189
1190        /* Function cos mode */
1191        u8 network_cos_mode;
1192
1193        /* UDP dest port for VXLAN */
1194        u16 vxlan_dst_port;
1195
1196        /* UDP dest port for Geneve */
1197        u16 geneve_dst_port;
1198
1199        /* Enable inner Rx classifications for L2GRE packets */
1200        u8 inner_clss_l2gre;
1201
1202        /* Enable inner Rx classifications for L2-Geneve packets */
1203        u8 inner_clss_l2geneve;
1204
1205        /* Enable inner Rx classification for vxlan packets */
1206        u8 inner_clss_vxlan;
1207
1208        /* Enable RSS according to inner header */
1209        u8 inner_rss;
1210
1211        /* Allows accepting of packets failing MF classification, possibly
1212         * only matching a given ethertype
1213         */
1214        u8 class_fail;
1215        u16 class_fail_ethtype;
1216
1217        /* Override priority of output packets */
1218        u8 sd_vlan_force_pri;
1219        u8 sd_vlan_force_pri_val;
1220
1221        /* Replace vlan's ethertype */
1222        u16 sd_vlan_eth_type;
1223
1224        /* Prevent inner vlans from being added by FW */
1225        u8 no_added_tags;
1226
1227        /* Inner-to-Outer vlan priority mapping */
1228        u8 c2s_pri[MAX_VLAN_PRIORITIES];
1229        u8 c2s_pri_default;
1230        u8 c2s_pri_valid;
1231};
1232
1233struct bnx2x_func_switch_update_params {
1234        unsigned long changes; /* BNX2X_F_UPDATE_XX bits */
1235        u16 vlan;
1236        u16 vlan_eth_type;
1237        u8 vlan_force_prio;
1238        u16 vxlan_dst_port;
1239        u16 geneve_dst_port;
1240};
1241
1242struct bnx2x_func_afex_update_params {
1243        u16 vif_id;
1244        u16 afex_default_vlan;
1245        u8 allowed_priorities;
1246};
1247
1248struct bnx2x_func_afex_viflists_params {
1249        u16 vif_list_index;
1250        u8 func_bit_map;
1251        u8 afex_vif_list_command;
1252        u8 func_to_clear;
1253};
1254
1255struct bnx2x_func_tx_start_params {
1256        struct priority_cos traffic_type_to_priority_cos[MAX_TRAFFIC_TYPES];
1257        u8 dcb_enabled;
1258        u8 dcb_version;
1259        u8 dont_add_pri_0_en;
1260        u8 dcb_outer_pri[MAX_TRAFFIC_TYPES];
1261};
1262
1263struct bnx2x_func_set_timesync_params {
1264        /* Reset, set or keep the current drift value */
1265        u8 drift_adjust_cmd;
1266
1267        /* Dec, inc or keep the current offset */
1268        u8 offset_cmd;
1269
1270        /* Drift value direction */
1271        u8 add_sub_drift_adjust_value;
1272
1273        /* Drift, period and offset values to be used according to the commands
1274         * above.
1275         */
1276        u8 drift_adjust_value;
1277        u32 drift_adjust_period;
1278        u64 offset_delta;
1279};
1280
1281struct bnx2x_func_state_params {
1282        struct bnx2x_func_sp_obj *f_obj;
1283
1284        /* Current command */
1285        enum bnx2x_func_cmd cmd;
1286
1287        /* may have RAMROD_COMP_WAIT set only */
1288        unsigned long   ramrod_flags;
1289
1290        /* Params according to the current command */
1291        union {
1292                struct bnx2x_func_hw_init_params hw_init;
1293                struct bnx2x_func_hw_reset_params hw_reset;
1294                struct bnx2x_func_start_params start;
1295                struct bnx2x_func_switch_update_params switch_update;
1296                struct bnx2x_func_afex_update_params afex_update;
1297                struct bnx2x_func_afex_viflists_params afex_viflists;
1298                struct bnx2x_func_tx_start_params tx_start;
1299                struct bnx2x_func_set_timesync_params set_timesync;
1300        } params;
1301};
1302
1303struct bnx2x_func_sp_drv_ops {
1304        /* Init tool + runtime initialization:
1305         *      - Common Chip
1306         *      - Common (per Path)
1307         *      - Port
1308         *      - Function phases
1309         */
1310        int (*init_hw_cmn_chip)(struct bnx2x *bp);
1311        int (*init_hw_cmn)(struct bnx2x *bp);
1312        int (*init_hw_port)(struct bnx2x *bp);
1313        int (*init_hw_func)(struct bnx2x *bp);
1314
1315        /* Reset Function HW: Common, Port, Function phases. */
1316        void (*reset_hw_cmn)(struct bnx2x *bp);
1317        void (*reset_hw_port)(struct bnx2x *bp);
1318        void (*reset_hw_func)(struct bnx2x *bp);
1319
1320        /* Init/Free GUNZIP resources */
1321        int (*gunzip_init)(struct bnx2x *bp);
1322        void (*gunzip_end)(struct bnx2x *bp);
1323
1324        /* Prepare/Release FW resources */
1325        int (*init_fw)(struct bnx2x *bp);
1326        void (*release_fw)(struct bnx2x *bp);
1327};
1328
1329struct bnx2x_func_sp_obj {
1330        enum bnx2x_func_state   state, next_state;
1331
1332        /* BNX2X_FUNC_CMD_XX bits. This object implements "one
1333         * pending" paradigm but for debug and tracing purposes it's
1334         * more convenient to have different bits for different
1335         * commands.
1336         */
1337        unsigned long           pending;
1338
1339        /* Buffer to use as a ramrod data and its mapping */
1340        void                    *rdata;
1341        dma_addr_t              rdata_mapping;
1342
1343        /* Buffer to use as a afex ramrod data and its mapping.
1344         * This can't be same rdata as above because afex ramrod requests
1345         * can arrive to the object in parallel to other ramrod requests.
1346         */
1347        void                    *afex_rdata;
1348        dma_addr_t              afex_rdata_mapping;
1349
1350        /* this mutex validates that when pending flag is taken, the next
1351         * ramrod to be sent will be the one set the pending bit
1352         */
1353        struct mutex            one_pending_mutex;
1354
1355        /* Driver interface */
1356        struct bnx2x_func_sp_drv_ops    *drv;
1357
1358        /**
1359         * Performs one state change according to the given parameters.
1360         *
1361         * @return 0 in case of success and negative value otherwise.
1362         */
1363        int (*send_cmd)(struct bnx2x *bp,
1364                        struct bnx2x_func_state_params *params);
1365
1366        /**
1367         * Checks that the requested state transition is legal.
1368         */
1369        int (*check_transition)(struct bnx2x *bp,
1370                                struct bnx2x_func_sp_obj *o,
1371                                struct bnx2x_func_state_params *params);
1372
1373        /**
1374         * Completes the pending command.
1375         */
1376        int (*complete_cmd)(struct bnx2x *bp,
1377                            struct bnx2x_func_sp_obj *o,
1378                            enum bnx2x_func_cmd cmd);
1379
1380        int (*wait_comp)(struct bnx2x *bp, struct bnx2x_func_sp_obj *o,
1381                         enum bnx2x_func_cmd cmd);
1382};
1383
1384/********************** Interfaces ********************************************/
1385/* Queueable objects set */
1386union bnx2x_qable_obj {
1387        struct bnx2x_vlan_mac_obj vlan_mac;
1388};
1389/************** Function state update *********/
1390void bnx2x_init_func_obj(struct bnx2x *bp,
1391                         struct bnx2x_func_sp_obj *obj,
1392                         void *rdata, dma_addr_t rdata_mapping,
1393                         void *afex_rdata, dma_addr_t afex_rdata_mapping,
1394                         struct bnx2x_func_sp_drv_ops *drv_iface);
1395
1396int bnx2x_func_state_change(struct bnx2x *bp,
1397                            struct bnx2x_func_state_params *params);
1398
1399enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp,
1400                                           struct bnx2x_func_sp_obj *o);
1401/******************* Queue State **************/
1402void bnx2x_init_queue_obj(struct bnx2x *bp,
1403                          struct bnx2x_queue_sp_obj *obj, u8 cl_id, u32 *cids,
1404                          u8 cid_cnt, u8 func_id, void *rdata,
1405                          dma_addr_t rdata_mapping, unsigned long type);
1406
1407int bnx2x_queue_state_change(struct bnx2x *bp,
1408                             struct bnx2x_queue_state_params *params);
1409
1410int bnx2x_get_q_logical_state(struct bnx2x *bp,
1411                               struct bnx2x_queue_sp_obj *obj);
1412
1413/********************* VLAN-MAC ****************/
1414void bnx2x_init_mac_obj(struct bnx2x *bp,
1415                        struct bnx2x_vlan_mac_obj *mac_obj,
1416                        u8 cl_id, u32 cid, u8 func_id, void *rdata,
1417                        dma_addr_t rdata_mapping, int state,
1418                        unsigned long *pstate, bnx2x_obj_type type,
1419                        struct bnx2x_credit_pool_obj *macs_pool);
1420
1421void bnx2x_init_vlan_obj(struct bnx2x *bp,
1422                         struct bnx2x_vlan_mac_obj *vlan_obj,
1423                         u8 cl_id, u32 cid, u8 func_id, void *rdata,
1424                         dma_addr_t rdata_mapping, int state,
1425                         unsigned long *pstate, bnx2x_obj_type type,
1426                         struct bnx2x_credit_pool_obj *vlans_pool);
1427
1428void bnx2x_init_vlan_mac_obj(struct bnx2x *bp,
1429                             struct bnx2x_vlan_mac_obj *vlan_mac_obj,
1430                             u8 cl_id, u32 cid, u8 func_id, void *rdata,
1431                             dma_addr_t rdata_mapping, int state,
1432                             unsigned long *pstate, bnx2x_obj_type type,
1433                             struct bnx2x_credit_pool_obj *macs_pool,
1434                             struct bnx2x_credit_pool_obj *vlans_pool);
1435
1436int bnx2x_vlan_mac_h_read_lock(struct bnx2x *bp,
1437                                        struct bnx2x_vlan_mac_obj *o);
1438void bnx2x_vlan_mac_h_read_unlock(struct bnx2x *bp,
1439                                  struct bnx2x_vlan_mac_obj *o);
1440int bnx2x_vlan_mac_h_write_lock(struct bnx2x *bp,
1441                                struct bnx2x_vlan_mac_obj *o);
1442int bnx2x_config_vlan_mac(struct bnx2x *bp,
1443                           struct bnx2x_vlan_mac_ramrod_params *p);
1444
1445int bnx2x_vlan_mac_move(struct bnx2x *bp,
1446                        struct bnx2x_vlan_mac_ramrod_params *p,
1447                        struct bnx2x_vlan_mac_obj *dest_o);
1448
1449/********************* RX MODE ****************/
1450
1451void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
1452                            struct bnx2x_rx_mode_obj *o);
1453
1454/**
1455 * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters.
1456 *
1457 * @p: Command parameters
1458 *
1459 * Return: 0 - if operation was successful and there is no pending completions,
1460 *         positive number - if there are pending completions,
1461 *         negative - if there were errors
1462 */
1463int bnx2x_config_rx_mode(struct bnx2x *bp,
1464                         struct bnx2x_rx_mode_ramrod_params *p);
1465
1466/****************** MULTICASTS ****************/
1467
1468void bnx2x_init_mcast_obj(struct bnx2x *bp,
1469                          struct bnx2x_mcast_obj *mcast_obj,
1470                          u8 mcast_cl_id, u32 mcast_cid, u8 func_id,
1471                          u8 engine_id, void *rdata, dma_addr_t rdata_mapping,
1472                          int state, unsigned long *pstate,
1473                          bnx2x_obj_type type);
1474
1475/**
1476 * bnx2x_config_mcast - Configure multicast MACs list.
1477 *
1478 * @cmd: command to execute: BNX2X_MCAST_CMD_X
1479 *
1480 * May configure a new list
1481 * provided in p->mcast_list (BNX2X_MCAST_CMD_ADD), clean up
1482 * (BNX2X_MCAST_CMD_DEL) or restore (BNX2X_MCAST_CMD_RESTORE) a current
1483 * configuration, continue to execute the pending commands
1484 * (BNX2X_MCAST_CMD_CONT).
1485 *
1486 * If previous command is still pending or if number of MACs to
1487 * configure is more that maximum number of MACs in one command,
1488 * the current command will be enqueued to the tail of the
1489 * pending commands list.
1490 *
1491 * Return: 0 is operation was successful and there are no pending completions,
1492 *         negative if there were errors, positive if there are pending
1493 *         completions.
1494 */
1495int bnx2x_config_mcast(struct bnx2x *bp,
1496                       struct bnx2x_mcast_ramrod_params *p,
1497                       enum bnx2x_mcast_cmd cmd);
1498
1499/****************** CREDIT POOL ****************/
1500void bnx2x_init_mac_credit_pool(struct bnx2x *bp,
1501                                struct bnx2x_credit_pool_obj *p, u8 func_id,
1502                                u8 func_num);
1503void bnx2x_init_vlan_credit_pool(struct bnx2x *bp,
1504                                 struct bnx2x_credit_pool_obj *p, u8 func_id,
1505                                 u8 func_num);
1506void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p,
1507                            int base, int credit);
1508
1509/****************** RSS CONFIGURATION ****************/
1510void bnx2x_init_rss_config_obj(struct bnx2x *bp,
1511                               struct bnx2x_rss_config_obj *rss_obj,
1512                               u8 cl_id, u32 cid, u8 func_id, u8 engine_id,
1513                               void *rdata, dma_addr_t rdata_mapping,
1514                               int state, unsigned long *pstate,
1515                               bnx2x_obj_type type);
1516
1517/**
1518 * bnx2x_config_rss - Updates RSS configuration according to provided parameters
1519 *
1520 * Return: 0 in case of success
1521 */
1522int bnx2x_config_rss(struct bnx2x *bp,
1523                     struct bnx2x_config_rss_params *p);
1524
1525/**
1526 * bnx2x_get_rss_ind_table - Return the current ind_table configuration.
1527 *
1528 * @ind_table: buffer to fill with the current indirection
1529 *                  table content. Should be at least
1530 *                  T_ETH_INDIRECTION_TABLE_SIZE bytes long.
1531 */
1532void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj,
1533                             u8 *ind_table);
1534
1535#define PF_MAC_CREDIT_E2(bp, func_num)                                  \
1536        ((MAX_MAC_CREDIT_E2 - GET_NUM_VFS_PER_PATH(bp) * VF_MAC_CREDIT_CNT) / \
1537         func_num + GET_NUM_VFS_PER_PF(bp) * VF_MAC_CREDIT_CNT)
1538
1539#define BNX2X_VFS_VLAN_CREDIT(bp)       \
1540        (GET_NUM_VFS_PER_PATH(bp) * VF_VLAN_CREDIT_CNT)
1541
1542#define PF_VLAN_CREDIT_E2(bp, func_num)                                  \
1543        ((MAX_VLAN_CREDIT_E2 - 1 - BNX2X_VFS_VLAN_CREDIT(bp)) / \
1544         func_num + GET_NUM_VFS_PER_PF(bp) * VF_VLAN_CREDIT_CNT)
1545
1546#endif /* BNX2X_SP_VERBS */
1547