drivers/net/benet/be_cmds.c

   1 /*
   2  * Copyright (C) 2005 - 2010 ServerEngines
   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@serverengines.com
  12  *
  13  * ServerEngines
  14  * 209 N. Fair Oaks Ave
  15  * Sunnyvale, CA 94085
  16  */
  17
  18 #include "be.h"
  19 #include "be_cmds.h"
  20
  21 static void be_mcc_notify(struct be_adapter *adapter)
  22 {
  23         struct be_queue_info *mccq = &adapter->mcc_obj.q;
  24         u32 val = 0;
  25
  26         val |= mccq->id & DB_MCCQ_RING_ID_MASK;
  27         val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
  28
  29         wmb();
  30         iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
  31 }
  32
  33 /* To check if valid bit is set, check the entire word as we don't know
  34  * the endianness of the data (old entry is host endian while a new entry is
  35  * little endian) */
  36 static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
  37 {
  38         if (compl->flags != 0) {
  39                 compl->flags = le32_to_cpu(compl->flags);
  40                 BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
  41                 return true;
  42         } else {
  43                 return false;
  44         }
  45 }
  46
  47 /* Need to reset the entire word that houses the valid bit */
  48 static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
  49 {
  50         compl->flags = 0;
  51 }
  52
  53 static int be_mcc_compl_process(struct be_adapter *adapter,
  54         struct be_mcc_compl *compl)
  55 {
  56         u16 compl_status, extd_status;
  57
  58         /* Just swap the status to host endian; mcc tag is opaquely copied
  59          * from mcc_wrb */
  60         be_dws_le_to_cpu(compl, 4);
  61
  62         compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
  63                                 CQE_STATUS_COMPL_MASK;
  64
  65         if ((compl->tag0 == OPCODE_COMMON_WRITE_FLASHROM) &&
  66                 (compl->tag1 == CMD_SUBSYSTEM_COMMON)) {
  67                 adapter->flash_status = compl_status;
  68                 complete(&adapter->flash_compl);
  69         }
  70
  71         if (compl_status == MCC_STATUS_SUCCESS) {
  72                 if (compl->tag0 == OPCODE_ETH_GET_STATISTICS) {
  73                         struct be_cmd_resp_get_stats *resp =
  74                                                 adapter->stats_cmd.va;
  75                         be_dws_le_to_cpu(&resp->hw_stats,
  76                                                 sizeof(resp->hw_stats));
  77                         netdev_stats_update(adapter);
  78                         adapter->stats_ioctl_sent = false;
  79                 }
  80         } else if ((compl_status != MCC_STATUS_NOT_SUPPORTED) &&
  81                    (compl->tag0 != OPCODE_COMMON_NTWK_MAC_QUERY)) {
  82                 extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
  83                                 CQE_STATUS_EXTD_MASK;
  84                 dev_warn(&adapter->pdev->dev,
  85                 "Error in cmd completion - opcode %d, compl %d, extd %d\n",
  86                         compl->tag0, compl_status, extd_status);
  87         }
  88         return compl_status;
  89 }
  90
  91 /* Link state evt is a string of bytes; no need for endian swapping */
  92 static void be_async_link_state_process(struct be_adapter *adapter,
  93                 struct be_async_event_link_state *evt)
  94 {
  95         be_link_status_update(adapter,
  96                 evt->port_link_status == ASYNC_EVENT_LINK_UP);
  97 }
  98
  99 /* Grp5 CoS Priority evt */
 100 static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
 101                 struct be_async_event_grp5_cos_priority *evt)
 102 {
 103         if (evt->valid) {
 104                 adapter->vlan_prio_bmap = evt->available_priority_bmap;
 105                 adapter->recommended_prio =
 106                         evt->reco_default_priority << VLAN_PRIO_SHIFT;
 107         }
 108 }
 109
 110 /* Grp5 QOS Speed evt */
 111 static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
 112                 struct be_async_event_grp5_qos_link_speed *evt)
 113 {
 114         if (evt->physical_port == adapter->port_num) {
 115                 /* qos_link_speed is in units of 10 Mbps */
 116                 adapter->link_speed = evt->qos_link_speed * 10;
 117         }
 118 }
 119
 120 static void be_async_grp5_evt_process(struct be_adapter *adapter,
 121                 u32 trailer, struct be_mcc_compl *evt)
 122 {
 123         u8 event_type = 0;
 124
 125         event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
 126                 ASYNC_TRAILER_EVENT_TYPE_MASK;
 127
 128         switch (event_type) {
 129         case ASYNC_EVENT_COS_PRIORITY:
 130                 be_async_grp5_cos_priority_process(adapter,
 131                 (struct be_async_event_grp5_cos_priority *)evt);
 132         break;
 133         case ASYNC_EVENT_QOS_SPEED:
 134                 be_async_grp5_qos_speed_process(adapter,
 135                 (struct be_async_event_grp5_qos_link_speed *)evt);
 136         break;
 137         default:
 138                 dev_warn(&adapter->pdev->dev, "Unknown grp5 event!\n");
 139                 break;
 140         }
 141 }
 142
 143 static inline bool is_link_state_evt(u32 trailer)
 144 {
 145         return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
 146                 ASYNC_TRAILER_EVENT_CODE_MASK) ==
 147                                 ASYNC_EVENT_CODE_LINK_STATE;
 148 }
 149
 150 static inline bool is_grp5_evt(u32 trailer)
 151 {
 152         return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
 153                 ASYNC_TRAILER_EVENT_CODE_MASK) ==
 154                                 ASYNC_EVENT_CODE_GRP_5);
 155 }
 156
 157 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
 158 {
 159         struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
 160         struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
 161
 162         if (be_mcc_compl_is_new(compl)) {
 163                 queue_tail_inc(mcc_cq);
 164                 return compl;
 165         }
 166         return NULL;
 167 }
 168
 169 void be_async_mcc_enable(struct be_adapter *adapter)
 170 {
 171         spin_lock_bh(&adapter->mcc_cq_lock);
 172
 173         be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
 174         adapter->mcc_obj.rearm_cq = true;
 175
 176         spin_unlock_bh(&adapter->mcc_cq_lock);
 177 }
 178
 179 void be_async_mcc_disable(struct be_adapter *adapter)
 180 {
 181         adapter->mcc_obj.rearm_cq = false;
 182 }
 183
 184 int be_process_mcc(struct be_adapter *adapter, int *status)
 185 {
 186         struct be_mcc_compl *compl;
 187         int num = 0;
 188         struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
 189
 190         spin_lock_bh(&adapter->mcc_cq_lock);
 191         while ((compl = be_mcc_compl_get(adapter))) {
 192                 if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
 193                         /* Interpret flags as an async trailer */
 194                         if (is_link_state_evt(compl->flags))
 195                                 be_async_link_state_process(adapter,
 196                                 (struct be_async_event_link_state *) compl);
 197                         else if (is_grp5_evt(compl->flags))
 198                                 be_async_grp5_evt_process(adapter,
 199                                 compl->flags, compl);
 200                 } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
 201                                 *status = be_mcc_compl_process(adapter, compl);
 202                                 atomic_dec(&mcc_obj->q.used);
 203                 }
 204                 be_mcc_compl_use(compl);
 205                 num++;
 206         }
 207
 208         spin_unlock_bh(&adapter->mcc_cq_lock);
 209         return num;
 210 }
 211
 212 /* Wait till no more pending mcc requests are present */
 213 static int be_mcc_wait_compl(struct be_adapter *adapter)
 214 {
 215 #define mcc_timeout             120000 /* 12s timeout */
 216         int i, num, status = 0;
 217         struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
 218
 219         for (i = 0; i < mcc_timeout; i++) {
 220                 num = be_process_mcc(adapter, &status);
 221                 if (num)
 222                         be_cq_notify(adapter, mcc_obj->cq.id,
 223                                 mcc_obj->rearm_cq, num);
 224
 225                 if (atomic_read(&mcc_obj->q.used) == 0)
 226                         break;
 227                 udelay(100);
 228         }
 229         if (i == mcc_timeout) {
 230                 dev_err(&adapter->pdev->dev, "mccq poll timed out\n");
 231                 return -1;
 232         }
 233         return status;
 234 }
 235
 236 /* Notify MCC requests and wait for completion */
 237 static int be_mcc_notify_wait(struct be_adapter *adapter)
 238 {
 239         be_mcc_notify(adapter);
 240         return be_mcc_wait_compl(adapter);
 241 }
 242
 243 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
 244 {
 245         int msecs = 0;
 246         u32 ready;
 247
 248         do {
 249                 ready = ioread32(db);
 250                 if (ready == 0xffffffff) {
 251                         dev_err(&adapter->pdev->dev,
 252                                 "pci slot disconnected\n");
 253                         return -1;
 254                 }
 255
 256                 ready &= MPU_MAILBOX_DB_RDY_MASK;
 257                 if (ready)
 258                         break;
 259
 260                 if (msecs > 4000) {
 261                         dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
 262                         be_detect_dump_ue(adapter);
 263                         return -1;
 264                 }
 265
 266                 set_current_state(TASK_INTERRUPTIBLE);
 267                 schedule_timeout(msecs_to_jiffies(1));
 268                 msecs++;
 269         } while (true);
 270
 271         return 0;
 272 }
 273
 274 /*
 275  * Insert the mailbox address into the doorbell in two steps
 276  * Polls on the mbox doorbell till a command completion (or a timeout) occurs
 277  */
 278 static int be_mbox_notify_wait(struct be_adapter *adapter)
 279 {
 280         int status;
 281         u32 val = 0;
 282         void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
 283         struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
 284         struct be_mcc_mailbox *mbox = mbox_mem->va;
 285         struct be_mcc_compl *compl = &mbox->compl;
 286
 287         /* wait for ready to be set */
 288         status = be_mbox_db_ready_wait(adapter, db);
 289         if (status != 0)
 290                 return status;
 291
 292         val |= MPU_MAILBOX_DB_HI_MASK;
 293         /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
 294         val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
 295         iowrite32(val, db);
 296
 297         /* wait for ready to be set */
 298         status = be_mbox_db_ready_wait(adapter, db);
 299         if (status != 0)
 300                 return status;
 301
 302         val = 0;
 303         /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
 304         val |= (u32)(mbox_mem->dma >> 4) << 2;
 305         iowrite32(val, db);
 306
 307         status = be_mbox_db_ready_wait(adapter, db);
 308         if (status != 0)
 309                 return status;
 310
 311         /* A cq entry has been made now */
 312         if (be_mcc_compl_is_new(compl)) {
 313                 status = be_mcc_compl_process(adapter, &mbox->compl);
 314                 be_mcc_compl_use(compl);
 315                 if (status)
 316                         return status;
 317         } else {
 318                 dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
 319                 return -1;
 320         }
 321         return 0;
 322 }
 323
 324 static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage)
 325 {
 326         u32 sem = ioread32(adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
 327
 328         *stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
 329         if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
 330                 return -1;
 331         else
 332                 return 0;
 333 }
 334
 335 int be_cmd_POST(struct be_adapter *adapter)
 336 {
 337         u16 stage;
 338         int status, timeout = 0;
 339
 340         do {
 341                 status = be_POST_stage_get(adapter, &stage);
 342                 if (status) {
 343                         dev_err(&adapter->pdev->dev, "POST error; stage=0x%x\n",
 344                                 stage);
 345                         return -1;
 346                 } else if (stage != POST_STAGE_ARMFW_RDY) {
 347                         set_current_state(TASK_INTERRUPTIBLE);
 348                         schedule_timeout(2 * HZ);
 349                         timeout += 2;
 350                 } else {
 351                         return 0;
 352                 }
 353         } while (timeout < 40);
 354
 355         dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage);
 356         return -1;
 357 }
 358
 359 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 360 {
 361         return wrb->payload.embedded_payload;
 362 }
 363
 364 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 365 {
 366         return &wrb->payload.sgl[0];
 367 }
 368
 369 /* Don't touch the hdr after it's prepared */
 370 static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
 371                                 bool embedded, u8 sge_cnt, u32 opcode)
 372 {
 373         if (embedded)
 374                 wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
 375         else
 376                 wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
 377                                 MCC_WRB_SGE_CNT_SHIFT;
 378         wrb->payload_length = payload_len;
 379         wrb->tag0 = opcode;
 380         be_dws_cpu_to_le(wrb, 8);
 381 }
 382
 383 /* Don't touch the hdr after it's prepared */
 384 static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
 385                                 u8 subsystem, u8 opcode, int cmd_len)
 386 {
 387         req_hdr->opcode = opcode;
 388         req_hdr->subsystem = subsystem;
 389         req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
 390         req_hdr->version = 0;
 391 }
 392
 393 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
 394                         struct be_dma_mem *mem)
 395 {
 396         int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
 397         u64 dma = (u64)mem->dma;
 398
 399         for (i = 0; i < buf_pages; i++) {
 400                 pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
 401                 pages[i].hi = cpu_to_le32(upper_32_bits(dma));
 402                 dma += PAGE_SIZE_4K;
 403         }
 404 }
 405
 406 /* Converts interrupt delay in microseconds to multiplier value */
 407 static u32 eq_delay_to_mult(u32 usec_delay)
 408 {
 409 #define MAX_INTR_RATE                   651042
 410         const u32 round = 10;
 411         u32 multiplier;
 412
 413         if (usec_delay == 0)
 414                 multiplier = 0;
 415         else {
 416                 u32 interrupt_rate = 1000000 / usec_delay;
 417                 /* Max delay, corresponding to the lowest interrupt rate */
 418                 if (interrupt_rate == 0)
 419                         multiplier = 1023;
 420                 else {
 421                         multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
 422                         multiplier /= interrupt_rate;
 423                         /* Round the multiplier to the closest value.*/
 424                         multiplier = (multiplier + round/2) / round;
 425                         multiplier = min(multiplier, (u32)1023);
 426                 }
 427         }
 428         return multiplier;
 429 }
 430
 431 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
 432 {
 433         struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
 434         struct be_mcc_wrb *wrb
 435                 = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
 436         memset(wrb, 0, sizeof(*wrb));
 437         return wrb;
 438 }
 439
 440 static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
 441 {
 442         struct be_queue_info *mccq = &adapter->mcc_obj.q;
 443         struct be_mcc_wrb *wrb;
 444
 445         if (atomic_read(&mccq->used) >= mccq->len) {
 446                 dev_err(&adapter->pdev->dev, "Out of MCCQ wrbs\n");
 447                 return NULL;
 448         }
 449
 450         wrb = queue_head_node(mccq);
 451         queue_head_inc(mccq);
 452         atomic_inc(&mccq->used);
 453         memset(wrb, 0, sizeof(*wrb));
 454         return wrb;
 455 }
 456
 457 /* Tell fw we're about to start firing cmds by writing a
 458  * special pattern across the wrb hdr; uses mbox
 459  */
 460 int be_cmd_fw_init(struct be_adapter *adapter)
 461 {
 462         u8 *wrb;
 463         int status;
 464
 465         spin_lock(&adapter->mbox_lock);
 466
 467         wrb = (u8 *)wrb_from_mbox(adapter);
 468         *wrb++ = 0xFF;
 469         *wrb++ = 0x12;
 470         *wrb++ = 0x34;
 471         *wrb++ = 0xFF;
 472         *wrb++ = 0xFF;
 473         *wrb++ = 0x56;
 474         *wrb++ = 0x78;
 475         *wrb = 0xFF;
 476
 477         status = be_mbox_notify_wait(adapter);
 478
 479         spin_unlock(&adapter->mbox_lock);
 480         return status;
 481 }
 482
 483 /* Tell fw we're done with firing cmds by writing a
 484  * special pattern across the wrb hdr; uses mbox
 485  */
 486 int be_cmd_fw_clean(struct be_adapter *adapter)
 487 {
 488         u8 *wrb;
 489         int status;
 490
 491         if (adapter->eeh_err)
 492                 return -EIO;
 493
 494         spin_lock(&adapter->mbox_lock);
 495
 496         wrb = (u8 *)wrb_from_mbox(adapter);
 497         *wrb++ = 0xFF;
 498         *wrb++ = 0xAA;
 499         *wrb++ = 0xBB;
 500         *wrb++ = 0xFF;
 501         *wrb++ = 0xFF;
 502         *wrb++ = 0xCC;
 503         *wrb++ = 0xDD;
 504         *wrb = 0xFF;
 505
 506         status = be_mbox_notify_wait(adapter);
 507
 508         spin_unlock(&adapter->mbox_lock);
 509         return status;
 510 }
 511 int be_cmd_eq_create(struct be_adapter *adapter,
 512                 struct be_queue_info *eq, int eq_delay)
 513 {
 514         struct be_mcc_wrb *wrb;
 515         struct be_cmd_req_eq_create *req;
 516         struct be_dma_mem *q_mem = &eq->dma_mem;
 517         int status;
 518
 519         spin_lock(&adapter->mbox_lock);
 520
 521         wrb = wrb_from_mbox(adapter);
 522         req = embedded_payload(wrb);
 523
 524         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_EQ_CREATE);
 525
 526         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 527                 OPCODE_COMMON_EQ_CREATE, sizeof(*req));
 528
 529         req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 530
 531         AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
 532         /* 4byte eqe*/
 533         AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
 534         AMAP_SET_BITS(struct amap_eq_context, count, req->context,
 535                         __ilog2_u32(eq->len/256));
 536         AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
 537                         eq_delay_to_mult(eq_delay));
 538         be_dws_cpu_to_le(req->context, sizeof(req->context));
 539
 540         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 541
 542         status = be_mbox_notify_wait(adapter);
 543         if (!status) {
 544                 struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
 545                 eq->id = le16_to_cpu(resp->eq_id);
 546                 eq->created = true;
 547         }
 548
 549         spin_unlock(&adapter->mbox_lock);
 550         return status;
 551 }
 552
 553 /* Uses mbox */
 554 int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
 555                         u8 type, bool permanent, u32 if_handle)
 556 {
 557         struct be_mcc_wrb *wrb;
 558         struct be_cmd_req_mac_query *req;
 559         int status;
 560
 561         spin_lock(&adapter->mbox_lock);
 562
 563         wrb = wrb_from_mbox(adapter);
 564         req = embedded_payload(wrb);
 565
 566         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 567                         OPCODE_COMMON_NTWK_MAC_QUERY);
 568
 569         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 570                 OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
 571
 572         req->type = type;
 573         if (permanent) {
 574                 req->permanent = 1;
 575         } else {
 576                 req->if_id = cpu_to_le16((u16) if_handle);
 577                 req->permanent = 0;
 578         }
 579
 580         status = be_mbox_notify_wait(adapter);
 581         if (!status) {
 582                 struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
 583                 memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
 584         }
 585
 586         spin_unlock(&adapter->mbox_lock);
 587         return status;
 588 }
 589
 590 /* Uses synchronous MCCQ */
 591 int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
 592                 u32 if_id, u32 *pmac_id)
 593 {
 594         struct be_mcc_wrb *wrb;
 595         struct be_cmd_req_pmac_add *req;
 596         int status;
 597
 598         spin_lock_bh(&adapter->mcc_lock);
 599
 600         wrb = wrb_from_mccq(adapter);
 601         if (!wrb) {
 602                 status = -EBUSY;
 603                 goto err;
 604         }
 605         req = embedded_payload(wrb);
 606
 607         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 608                         OPCODE_COMMON_NTWK_PMAC_ADD);
 609
 610         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 611                 OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
 612
 613         req->if_id = cpu_to_le32(if_id);
 614         memcpy(req->mac_address, mac_addr, ETH_ALEN);
 615
 616         status = be_mcc_notify_wait(adapter);
 617         if (!status) {
 618                 struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
 619                 *pmac_id = le32_to_cpu(resp->pmac_id);
 620         }
 621
 622 err:
 623         spin_unlock_bh(&adapter->mcc_lock);
 624         return status;
 625 }
 626
 627 /* Uses synchronous MCCQ */
 628 int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
 629 {
 630         struct be_mcc_wrb *wrb;
 631         struct be_cmd_req_pmac_del *req;
 632         int status;
 633
 634         spin_lock_bh(&adapter->mcc_lock);
 635
 636         wrb = wrb_from_mccq(adapter);
 637         if (!wrb) {
 638                 status = -EBUSY;
 639                 goto err;
 640         }
 641         req = embedded_payload(wrb);
 642
 643         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 644                         OPCODE_COMMON_NTWK_PMAC_DEL);
 645
 646         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 647                 OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
 648
 649         req->if_id = cpu_to_le32(if_id);
 650         req->pmac_id = cpu_to_le32(pmac_id);
 651
 652         status = be_mcc_notify_wait(adapter);
 653
 654 err:
 655         spin_unlock_bh(&adapter->mcc_lock);
 656         return status;
 657 }
 658
 659 /* Uses Mbox */
 660 int be_cmd_cq_create(struct be_adapter *adapter,
 661                 struct be_queue_info *cq, struct be_queue_info *eq,
 662                 bool sol_evts, bool no_delay, int coalesce_wm)
 663 {
 664         struct be_mcc_wrb *wrb;
 665         struct be_cmd_req_cq_create *req;
 666         struct be_dma_mem *q_mem = &cq->dma_mem;
 667         void *ctxt;
 668         int status;
 669
 670         spin_lock(&adapter->mbox_lock);
 671
 672         wrb = wrb_from_mbox(adapter);
 673         req = embedded_payload(wrb);
 674         ctxt = &req->context;
 675
 676         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 677                         OPCODE_COMMON_CQ_CREATE);
 678
 679         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 680                 OPCODE_COMMON_CQ_CREATE, sizeof(*req));
 681
 682         req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 683
 684         AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
 685         AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
 686         AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
 687                         __ilog2_u32(cq->len/256));
 688         AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
 689         AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
 690         AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
 691         AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
 692         AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
 693         be_dws_cpu_to_le(ctxt, sizeof(req->context));
 694
 695         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 696
 697         status = be_mbox_notify_wait(adapter);
 698         if (!status) {
 699                 struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
 700                 cq->id = le16_to_cpu(resp->cq_id);
 701                 cq->created = true;
 702         }
 703
 704         spin_unlock(&adapter->mbox_lock);
 705
 706         return status;
 707 }
 708
 709 static u32 be_encoded_q_len(int q_len)
 710 {
 711         u32 len_encoded = fls(q_len); /* log2(len) + 1 */
 712         if (len_encoded == 16)
 713                 len_encoded = 0;
 714         return len_encoded;
 715 }
 716
 717 int be_cmd_mccq_create(struct be_adapter *adapter,
 718                         struct be_queue_info *mccq,
 719                         struct be_queue_info *cq)
 720 {
 721         struct be_mcc_wrb *wrb;
 722         struct be_cmd_req_mcc_create *req;
 723         struct be_dma_mem *q_mem = &mccq->dma_mem;
 724         void *ctxt;
 725         int status;
 726
 727         spin_lock(&adapter->mbox_lock);
 728
 729         wrb = wrb_from_mbox(adapter);
 730         req = embedded_payload(wrb);
 731         ctxt = &req->context;
 732
 733         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 734                         OPCODE_COMMON_MCC_CREATE_EXT);
 735
 736         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 737                         OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req));
 738
 739         req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 740
 741         AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
 742         AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
 743                 be_encoded_q_len(mccq->len));
 744         AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
 745         /* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */
 746         req->async_event_bitmap[0] |= 0x00000022;
 747         be_dws_cpu_to_le(ctxt, sizeof(req->context));
 748
 749         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 750
 751         status = be_mbox_notify_wait(adapter);
 752         if (!status) {
 753                 struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
 754                 mccq->id = le16_to_cpu(resp->id);
 755                 mccq->created = true;
 756         }
 757         spin_unlock(&adapter->mbox_lock);
 758
 759         return status;
 760 }
 761
 762 int be_cmd_txq_create(struct be_adapter *adapter,
 763                         struct be_queue_info *txq,
 764                         struct be_queue_info *cq)
 765 {
 766         struct be_mcc_wrb *wrb;
 767         struct be_cmd_req_eth_tx_create *req;
 768         struct be_dma_mem *q_mem = &txq->dma_mem;
 769         void *ctxt;
 770         int status;
 771
 772         spin_lock(&adapter->mbox_lock);
 773
 774         wrb = wrb_from_mbox(adapter);
 775         req = embedded_payload(wrb);
 776         ctxt = &req->context;
 777
 778         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 779                         OPCODE_ETH_TX_CREATE);
 780
 781         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
 782                 sizeof(*req));
 783
 784         req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
 785         req->ulp_num = BE_ULP1_NUM;
 786         req->type = BE_ETH_TX_RING_TYPE_STANDARD;
 787
 788         AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt,
 789                 be_encoded_q_len(txq->len));
 790         AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
 791         AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
 792
 793         be_dws_cpu_to_le(ctxt, sizeof(req->context));
 794
 795         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 796
 797         status = be_mbox_notify_wait(adapter);
 798         if (!status) {
 799                 struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
 800                 txq->id = le16_to_cpu(resp->cid);
 801                 txq->created = true;
 802         }
 803
 804         spin_unlock(&adapter->mbox_lock);
 805
 806         return status;
 807 }
 808
 809 /* Uses mbox */
 810 int be_cmd_rxq_create(struct be_adapter *adapter,
 811                 struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
 812                 u16 max_frame_size, u32 if_id, u32 rss, u8 *rss_id)
 813 {
 814         struct be_mcc_wrb *wrb;
 815         struct be_cmd_req_eth_rx_create *req;
 816         struct be_dma_mem *q_mem = &rxq->dma_mem;
 817         int status;
 818
 819         spin_lock(&adapter->mbox_lock);
 820
 821         wrb = wrb_from_mbox(adapter);
 822         req = embedded_payload(wrb);
 823
 824         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 825                         OPCODE_ETH_RX_CREATE);
 826
 827         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
 828                 sizeof(*req));
 829
 830         req->cq_id = cpu_to_le16(cq_id);
 831         req->frag_size = fls(frag_size) - 1;
 832         req->num_pages = 2;
 833         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 834         req->interface_id = cpu_to_le32(if_id);
 835         req->max_frame_size = cpu_to_le16(max_frame_size);
 836         req->rss_queue = cpu_to_le32(rss);
 837
 838         status = be_mbox_notify_wait(adapter);
 839         if (!status) {
 840                 struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
 841                 rxq->id = le16_to_cpu(resp->id);
 842                 rxq->created = true;
 843                 *rss_id = resp->rss_id;
 844         }
 845
 846         spin_unlock(&adapter->mbox_lock);
 847
 848         return status;
 849 }
 850
 851 /* Generic destroyer function for all types of queues
 852  * Uses Mbox
 853  */
 854 int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
 855                 int queue_type)
 856 {
 857         struct be_mcc_wrb *wrb;
 858         struct be_cmd_req_q_destroy *req;
 859         u8 subsys = 0, opcode = 0;
 860         int status;
 861
 862         if (adapter->eeh_err)
 863                 return -EIO;
 864
 865         spin_lock(&adapter->mbox_lock);
 866
 867         wrb = wrb_from_mbox(adapter);
 868         req = embedded_payload(wrb);
 869
 870         switch (queue_type) {
 871         case QTYPE_EQ:
 872                 subsys = CMD_SUBSYSTEM_COMMON;
 873                 opcode = OPCODE_COMMON_EQ_DESTROY;
 874                 break;
 875         case QTYPE_CQ:
 876                 subsys = CMD_SUBSYSTEM_COMMON;
 877                 opcode = OPCODE_COMMON_CQ_DESTROY;
 878                 break;
 879         case QTYPE_TXQ:
 880                 subsys = CMD_SUBSYSTEM_ETH;
 881                 opcode = OPCODE_ETH_TX_DESTROY;
 882                 break;
 883         case QTYPE_RXQ:
 884                 subsys = CMD_SUBSYSTEM_ETH;
 885                 opcode = OPCODE_ETH_RX_DESTROY;
 886                 break;
 887         case QTYPE_MCCQ:
 888                 subsys = CMD_SUBSYSTEM_COMMON;
 889                 opcode = OPCODE_COMMON_MCC_DESTROY;
 890                 break;
 891         default:
 892                 BUG();
 893         }
 894
 895         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, opcode);
 896
 897         be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
 898         req->id = cpu_to_le16(q->id);
 899
 900         status = be_mbox_notify_wait(adapter);
 901
 902         spin_unlock(&adapter->mbox_lock);
 903
 904         return status;
 905 }
 906
 907 /* Create an rx filtering policy configuration on an i/f
 908  * Uses mbox
 909  */
 910 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
 911                 u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id,
 912                 u32 domain)
 913 {
 914         struct be_mcc_wrb *wrb;
 915         struct be_cmd_req_if_create *req;
 916         int status;
 917
 918         spin_lock(&adapter->mbox_lock);
 919
 920         wrb = wrb_from_mbox(adapter);
 921         req = embedded_payload(wrb);
 922
 923         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 924                         OPCODE_COMMON_NTWK_INTERFACE_CREATE);
 925
 926         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 927                 OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
 928
 929         req->hdr.domain = domain;
 930         req->capability_flags = cpu_to_le32(cap_flags);
 931         req->enable_flags = cpu_to_le32(en_flags);
 932         req->pmac_invalid = pmac_invalid;
 933         if (!pmac_invalid)
 934                 memcpy(req->mac_addr, mac, ETH_ALEN);
 935
 936         status = be_mbox_notify_wait(adapter);
 937         if (!status) {
 938                 struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
 939                 *if_handle = le32_to_cpu(resp->interface_id);
 940                 if (!pmac_invalid)
 941                         *pmac_id = le32_to_cpu(resp->pmac_id);
 942         }
 943
 944         spin_unlock(&adapter->mbox_lock);
 945         return status;
 946 }
 947
 948 /* Uses mbox */
 949 int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)
 950 {
 951         struct be_mcc_wrb *wrb;
 952         struct be_cmd_req_if_destroy *req;
 953         int status;
 954
 955         if (adapter->eeh_err)
 956                 return -EIO;
 957
 958         spin_lock(&adapter->mbox_lock);
 959
 960         wrb = wrb_from_mbox(adapter);
 961         req = embedded_payload(wrb);
 962
 963         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
 964                         OPCODE_COMMON_NTWK_INTERFACE_DESTROY);
 965
 966         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 967                 OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
 968
 969         req->interface_id = cpu_to_le32(interface_id);
 970
 971         status = be_mbox_notify_wait(adapter);
 972
 973         spin_unlock(&adapter->mbox_lock);
 974
 975         return status;
 976 }
 977
 978 /* Get stats is a non embedded command: the request is not embedded inside
 979  * WRB but is a separate dma memory block
 980  * Uses asynchronous MCC
 981  */
 982 int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 983 {
 984         struct be_mcc_wrb *wrb;
 985         struct be_cmd_req_get_stats *req;
 986         struct be_sge *sge;
 987         int status = 0;
 988
 989         spin_lock_bh(&adapter->mcc_lock);
 990
 991         wrb = wrb_from_mccq(adapter);
 992         if (!wrb) {
 993                 status = -EBUSY;
 994                 goto err;
 995         }
 996         req = nonemb_cmd->va;
 997         sge = nonembedded_sgl(wrb);
 998
 999         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
1000                         OPCODE_ETH_GET_STATISTICS);
1001
1002         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1003                 OPCODE_ETH_GET_STATISTICS, sizeof(*req));
1004         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
1005         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
1006         sge->len = cpu_to_le32(nonemb_cmd->size);
1007
1008         be_mcc_notify(adapter);
1009         adapter->stats_ioctl_sent = true;
1010
1011 err:
1012         spin_unlock_bh(&adapter->mcc_lock);
1013         return status;
1014 }
1015
1016 /* Uses synchronous mcc */
1017 int be_cmd_link_status_query(struct be_adapter *adapter,
1018                         bool *link_up, u8 *mac_speed, u16 *link_speed)
1019 {
1020         struct be_mcc_wrb *wrb;
1021         struct be_cmd_req_link_status *req;
1022         int status;
1023
1024         spin_lock_bh(&adapter->mcc_lock);
1025
1026         wrb = wrb_from_mccq(adapter);
1027         if (!wrb) {
1028                 status = -EBUSY;
1029                 goto err;
1030         }
1031         req = embedded_payload(wrb);
1032
1033         *link_up = false;
1034
1035         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1036                         OPCODE_COMMON_NTWK_LINK_STATUS_QUERY);
1037
1038         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1039                 OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
1040
1041         status = be_mcc_notify_wait(adapter);
1042         if (!status) {
1043                 struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1044                 if (resp->mac_speed != PHY_LINK_SPEED_ZERO) {
1045                         *link_up = true;
1046                         *link_speed = le16_to_cpu(resp->link_speed);
1047                         *mac_speed = resp->mac_speed;
1048                 }
1049         }
1050
1051 err:
1052         spin_unlock_bh(&adapter->mcc_lock);
1053         return status;
1054 }
1055
1056 /* Uses Mbox */
1057 int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
1058 {
1059         struct be_mcc_wrb *wrb;
1060         struct be_cmd_req_get_fw_version *req;
1061         int status;
1062
1063         spin_lock(&adapter->mbox_lock);
1064
1065         wrb = wrb_from_mbox(adapter);
1066         req = embedded_payload(wrb);
1067
1068         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1069                         OPCODE_COMMON_GET_FW_VERSION);
1070
1071         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1072                 OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
1073
1074         status = be_mbox_notify_wait(adapter);
1075         if (!status) {
1076                 struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1077                 strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
1078         }
1079
1080         spin_unlock(&adapter->mbox_lock);
1081         return status;
1082 }
1083
1084 /* set the EQ delay interval of an EQ to specified value
1085  * Uses async mcc
1086  */
1087 int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
1088 {
1089         struct be_mcc_wrb *wrb;
1090         struct be_cmd_req_modify_eq_delay *req;
1091         int status = 0;
1092
1093         spin_lock_bh(&adapter->mcc_lock);
1094
1095         wrb = wrb_from_mccq(adapter);
1096         if (!wrb) {
1097                 status = -EBUSY;
1098                 goto err;
1099         }
1100         req = embedded_payload(wrb);
1101
1102         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1103                         OPCODE_COMMON_MODIFY_EQ_DELAY);
1104
1105         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1106                 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
1107
1108         req->num_eq = cpu_to_le32(1);
1109         req->delay[0].eq_id = cpu_to_le32(eq_id);
1110         req->delay[0].phase = 0;
1111         req->delay[0].delay_multiplier = cpu_to_le32(eqd);
1112
1113         be_mcc_notify(adapter);
1114
1115 err:
1116         spin_unlock_bh(&adapter->mcc_lock);
1117         return status;
1118 }
1119
1120 /* Uses sycnhronous mcc */
1121 int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1122                         u32 num, bool untagged, bool promiscuous)
1123 {
1124         struct be_mcc_wrb *wrb;
1125         struct be_cmd_req_vlan_config *req;
1126         int status;
1127
1128         spin_lock_bh(&adapter->mcc_lock);
1129
1130         wrb = wrb_from_mccq(adapter);
1131         if (!wrb) {
1132                 status = -EBUSY;
1133                 goto err;
1134         }
1135         req = embedded_payload(wrb);
1136
1137         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1138                         OPCODE_COMMON_NTWK_VLAN_CONFIG);
1139
1140         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1141                 OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
1142
1143         req->interface_id = if_id;
1144         req->promiscuous = promiscuous;
1145         req->untagged = untagged;
1146         req->num_vlan = num;
1147         if (!promiscuous) {
1148                 memcpy(req->normal_vlan, vtag_array,
1149                         req->num_vlan * sizeof(vtag_array[0]));
1150         }
1151
1152         status = be_mcc_notify_wait(adapter);
1153
1154 err:
1155         spin_unlock_bh(&adapter->mcc_lock);
1156         return status;
1157 }
1158
1159 /* Uses MCC for this command as it may be called in BH context
1160  * Uses synchronous mcc
1161  */
1162 int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
1163 {
1164         struct be_mcc_wrb *wrb;
1165         struct be_cmd_req_promiscuous_config *req;
1166         int status;
1167
1168         spin_lock_bh(&adapter->mcc_lock);
1169
1170         wrb = wrb_from_mccq(adapter);
1171         if (!wrb) {
1172                 status = -EBUSY;
1173                 goto err;
1174         }
1175         req = embedded_payload(wrb);
1176
1177         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_ETH_PROMISCUOUS);
1178
1179         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1180                 OPCODE_ETH_PROMISCUOUS, sizeof(*req));
1181
1182         /* In FW versions X.102.149/X.101.487 and later,
1183          * the port setting associated only with the
1184          * issuing pci function will take effect
1185          */
1186         if (port_num)
1187                 req->port1_promiscuous = en;
1188         else
1189                 req->port0_promiscuous = en;
1190
1191         status = be_mcc_notify_wait(adapter);
1192
1193 err:
1194         spin_unlock_bh(&adapter->mcc_lock);
1195         return status;
1196 }
1197
1198 /*
1199  * Uses MCC for this command as it may be called in BH context
1200  * (mc == NULL) => multicast promiscous
1201  */
1202 int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
1203                 struct net_device *netdev, struct be_dma_mem *mem)
1204 {
1205         struct be_mcc_wrb *wrb;
1206         struct be_cmd_req_mcast_mac_config *req = mem->va;
1207         struct be_sge *sge;
1208         int status;
1209
1210         spin_lock_bh(&adapter->mcc_lock);
1211
1212         wrb = wrb_from_mccq(adapter);
1213         if (!wrb) {
1214                 status = -EBUSY;
1215                 goto err;
1216         }
1217         sge = nonembedded_sgl(wrb);
1218         memset(req, 0, sizeof(*req));
1219
1220         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
1221                         OPCODE_COMMON_NTWK_MULTICAST_SET);
1222         sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
1223         sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
1224         sge->len = cpu_to_le32(mem->size);
1225
1226         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1227                 OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
1228
1229         req->interface_id = if_id;
1230         if (netdev) {
1231                 int i;
1232                 struct netdev_hw_addr *ha;
1233
1234                 req->num_mac = cpu_to_le16(netdev_mc_count(netdev));
1235
1236                 i = 0;
1237                 netdev_for_each_mc_addr(ha, netdev)
1238                         memcpy(req->mac[i++].byte, ha->addr, ETH_ALEN);
1239         } else {
1240                 req->promiscuous = 1;
1241         }
1242
1243         status = be_mcc_notify_wait(adapter);
1244
1245 err:
1246         spin_unlock_bh(&adapter->mcc_lock);
1247         return status;
1248 }
1249
1250 /* Uses synchrounous mcc */
1251 int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
1252 {
1253         struct be_mcc_wrb *wrb;
1254         struct be_cmd_req_set_flow_control *req;
1255         int status;
1256
1257         spin_lock_bh(&adapter->mcc_lock);
1258
1259         wrb = wrb_from_mccq(adapter);
1260         if (!wrb) {
1261                 status = -EBUSY;
1262                 goto err;
1263         }
1264         req = embedded_payload(wrb);
1265
1266         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1267                         OPCODE_COMMON_SET_FLOW_CONTROL);
1268
1269         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1270                 OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
1271
1272         req->tx_flow_control = cpu_to_le16((u16)tx_fc);
1273         req->rx_flow_control = cpu_to_le16((u16)rx_fc);
1274
1275         status = be_mcc_notify_wait(adapter);
1276
1277 err:
1278         spin_unlock_bh(&adapter->mcc_lock);
1279         return status;
1280 }
1281
1282 /* Uses sycn mcc */
1283 int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
1284 {
1285         struct be_mcc_wrb *wrb;
1286         struct be_cmd_req_get_flow_control *req;
1287         int status;
1288
1289         spin_lock_bh(&adapter->mcc_lock);
1290
1291         wrb = wrb_from_mccq(adapter);
1292         if (!wrb) {
1293                 status = -EBUSY;
1294                 goto err;
1295         }
1296         req = embedded_payload(wrb);
1297
1298         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1299                         OPCODE_COMMON_GET_FLOW_CONTROL);
1300
1301         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1302                 OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
1303
1304         status = be_mcc_notify_wait(adapter);
1305         if (!status) {
1306                 struct be_cmd_resp_get_flow_control *resp =
1307                                                 embedded_payload(wrb);
1308                 *tx_fc = le16_to_cpu(resp->tx_flow_control);
1309                 *rx_fc = le16_to_cpu(resp->rx_flow_control);
1310         }
1311
1312 err:
1313         spin_unlock_bh(&adapter->mcc_lock);
1314         return status;
1315 }
1316
1317 /* Uses mbox */
1318 int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num,
1319                 u32 *mode, u32 *caps)
1320 {
1321         struct be_mcc_wrb *wrb;
1322         struct be_cmd_req_query_fw_cfg *req;
1323         int status;
1324
1325         spin_lock(&adapter->mbox_lock);
1326
1327         wrb = wrb_from_mbox(adapter);
1328         req = embedded_payload(wrb);
1329
1330         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1331                         OPCODE_COMMON_QUERY_FIRMWARE_CONFIG);
1332
1333         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1334                 OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
1335
1336         status = be_mbox_notify_wait(adapter);
1337         if (!status) {
1338                 struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
1339                 *port_num = le32_to_cpu(resp->phys_port);
1340                 *mode = le32_to_cpu(resp->function_mode);
1341                 *caps = le32_to_cpu(resp->function_caps);
1342         }
1343
1344         spin_unlock(&adapter->mbox_lock);
1345         return status;
1346 }
1347
1348 /* Uses mbox */
1349 int be_cmd_reset_function(struct be_adapter *adapter)
1350 {
1351         struct be_mcc_wrb *wrb;
1352         struct be_cmd_req_hdr *req;
1353         int status;
1354
1355         spin_lock(&adapter->mbox_lock);
1356
1357         wrb = wrb_from_mbox(adapter);
1358         req = embedded_payload(wrb);
1359
1360         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1361                         OPCODE_COMMON_FUNCTION_RESET);
1362
1363         be_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
1364                 OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
1365
1366         status = be_mbox_notify_wait(adapter);
1367
1368         spin_unlock(&adapter->mbox_lock);
1369         return status;
1370 }
1371
1372 int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, u16 table_size)
1373 {
1374         struct be_mcc_wrb *wrb;
1375         struct be_cmd_req_rss_config *req;
1376         u32 myhash[10];
1377         int status;
1378
1379         spin_lock(&adapter->mbox_lock);
1380
1381         wrb = wrb_from_mbox(adapter);
1382         req = embedded_payload(wrb);
1383
1384         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1385                 OPCODE_ETH_RSS_CONFIG);
1386
1387         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1388                 OPCODE_ETH_RSS_CONFIG, sizeof(*req));
1389
1390         req->if_id = cpu_to_le32(adapter->if_handle);
1391         req->enable_rss = cpu_to_le16(RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4);
1392         req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
1393         memcpy(req->cpu_table, rsstable, table_size);
1394         memcpy(req->hash, myhash, sizeof(myhash));
1395         be_dws_cpu_to_le(req->hash, sizeof(req->hash));
1396
1397         status = be_mbox_notify_wait(adapter);
1398
1399         spin_unlock(&adapter->mbox_lock);
1400         return status;
1401 }
1402
1403 /* Uses sync mcc */
1404 int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
1405                         u8 bcn, u8 sts, u8 state)
1406 {
1407         struct be_mcc_wrb *wrb;
1408         struct be_cmd_req_enable_disable_beacon *req;
1409         int status;
1410
1411         spin_lock_bh(&adapter->mcc_lock);
1412
1413         wrb = wrb_from_mccq(adapter);
1414         if (!wrb) {
1415                 status = -EBUSY;
1416                 goto err;
1417         }
1418         req = embedded_payload(wrb);
1419
1420         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1421                         OPCODE_COMMON_ENABLE_DISABLE_BEACON);
1422
1423         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1424                 OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req));
1425
1426         req->port_num = port_num;
1427         req->beacon_state = state;
1428         req->beacon_duration = bcn;
1429         req->status_duration = sts;
1430
1431         status = be_mcc_notify_wait(adapter);
1432
1433 err:
1434         spin_unlock_bh(&adapter->mcc_lock);
1435         return status;
1436 }
1437
1438 /* Uses sync mcc */
1439 int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
1440 {
1441         struct be_mcc_wrb *wrb;
1442         struct be_cmd_req_get_beacon_state *req;
1443         int status;
1444
1445         spin_lock_bh(&adapter->mcc_lock);
1446
1447         wrb = wrb_from_mccq(adapter);
1448         if (!wrb) {
1449                 status = -EBUSY;
1450                 goto err;
1451         }
1452         req = embedded_payload(wrb);
1453
1454         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1455                         OPCODE_COMMON_GET_BEACON_STATE);
1456
1457         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1458                 OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req));
1459
1460         req->port_num = port_num;
1461
1462         status = be_mcc_notify_wait(adapter);
1463         if (!status) {
1464                 struct be_cmd_resp_get_beacon_state *resp =
1465                                                 embedded_payload(wrb);
1466                 *state = resp->beacon_state;
1467         }
1468
1469 err:
1470         spin_unlock_bh(&adapter->mcc_lock);
1471         return status;
1472 }
1473
1474 int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
1475                         u32 flash_type, u32 flash_opcode, u32 buf_size)
1476 {
1477         struct be_mcc_wrb *wrb;
1478         struct be_cmd_write_flashrom *req;
1479         struct be_sge *sge;
1480         int status;
1481
1482         spin_lock_bh(&adapter->mcc_lock);
1483         adapter->flash_status = 0;
1484
1485         wrb = wrb_from_mccq(adapter);
1486         if (!wrb) {
1487                 status = -EBUSY;
1488                 goto err_unlock;
1489         }
1490         req = cmd->va;
1491         sge = nonembedded_sgl(wrb);
1492
1493         be_wrb_hdr_prepare(wrb, cmd->size, false, 1,
1494                         OPCODE_COMMON_WRITE_FLASHROM);
1495         wrb->tag1 = CMD_SUBSYSTEM_COMMON;
1496
1497         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1498                 OPCODE_COMMON_WRITE_FLASHROM, cmd->size);
1499         sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
1500         sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
1501         sge->len = cpu_to_le32(cmd->size);
1502
1503         req->params.op_type = cpu_to_le32(flash_type);
1504         req->params.op_code = cpu_to_le32(flash_opcode);
1505         req->params.data_buf_size = cpu_to_le32(buf_size);
1506
1507         be_mcc_notify(adapter);
1508         spin_unlock_bh(&adapter->mcc_lock);
1509
1510         if (!wait_for_completion_timeout(&adapter->flash_compl,
1511                         msecs_to_jiffies(12000)))
1512                 status = -1;
1513         else
1514                 status = adapter->flash_status;
1515
1516         return status;
1517
1518 err_unlock:
1519         spin_unlock_bh(&adapter->mcc_lock);
1520         return status;
1521 }
1522
1523 int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
1524                          int offset)
1525 {
1526         struct be_mcc_wrb *wrb;
1527         struct be_cmd_write_flashrom *req;
1528         int status;
1529
1530         spin_lock_bh(&adapter->mcc_lock);
1531
1532         wrb = wrb_from_mccq(adapter);
1533         if (!wrb) {
1534                 status = -EBUSY;
1535                 goto err;
1536         }
1537         req = embedded_payload(wrb);
1538
1539         be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0,
1540                         OPCODE_COMMON_READ_FLASHROM);
1541
1542         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1543                 OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
1544
1545         req->params.op_type = cpu_to_le32(IMG_TYPE_REDBOOT);
1546         req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
1547         req->params.offset = cpu_to_le32(offset);
1548         req->params.data_buf_size = cpu_to_le32(0x4);
1549
1550         status = be_mcc_notify_wait(adapter);
1551         if (!status)
1552                 memcpy(flashed_crc, req->params.data_buf, 4);
1553
1554 err:
1555         spin_unlock_bh(&adapter->mcc_lock);
1556         return status;
1557 }
1558
1559 int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
1560                                 struct be_dma_mem *nonemb_cmd)
1561 {
1562         struct be_mcc_wrb *wrb;
1563         struct be_cmd_req_acpi_wol_magic_config *req;
1564         struct be_sge *sge;
1565         int status;
1566
1567         spin_lock_bh(&adapter->mcc_lock);
1568
1569         wrb = wrb_from_mccq(adapter);
1570         if (!wrb) {
1571                 status = -EBUSY;
1572                 goto err;
1573         }
1574         req = nonemb_cmd->va;
1575         sge = nonembedded_sgl(wrb);
1576
1577         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
1578                         OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG);
1579
1580         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1581                 OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req));
1582         memcpy(req->magic_mac, mac, ETH_ALEN);
1583
1584         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
1585         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
1586         sge->len = cpu_to_le32(nonemb_cmd->size);
1587
1588         status = be_mcc_notify_wait(adapter);
1589
1590 err:
1591         spin_unlock_bh(&adapter->mcc_lock);
1592         return status;
1593 }
1594
1595 int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
1596                         u8 loopback_type, u8 enable)
1597 {
1598         struct be_mcc_wrb *wrb;
1599         struct be_cmd_req_set_lmode *req;
1600         int status;
1601
1602         spin_lock_bh(&adapter->mcc_lock);
1603
1604         wrb = wrb_from_mccq(adapter);
1605         if (!wrb) {
1606                 status = -EBUSY;
1607                 goto err;
1608         }
1609
1610         req = embedded_payload(wrb);
1611
1612         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1613                                 OPCODE_LOWLEVEL_SET_LOOPBACK_MODE);
1614
1615         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
1616                         OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
1617                         sizeof(*req));
1618
1619         req->src_port = port_num;
1620         req->dest_port = port_num;
1621         req->loopback_type = loopback_type;
1622         req->loopback_state = enable;
1623
1624         status = be_mcc_notify_wait(adapter);
1625 err:
1626         spin_unlock_bh(&adapter->mcc_lock);
1627         return status;
1628 }
1629
1630 int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
1631                 u32 loopback_type, u32 pkt_size, u32 num_pkts, u64 pattern)
1632 {
1633         struct be_mcc_wrb *wrb;
1634         struct be_cmd_req_loopback_test *req;
1635         int status;
1636
1637         spin_lock_bh(&adapter->mcc_lock);
1638
1639         wrb = wrb_from_mccq(adapter);
1640         if (!wrb) {
1641                 status = -EBUSY;
1642                 goto err;
1643         }
1644
1645         req = embedded_payload(wrb);
1646
1647         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1648                                 OPCODE_LOWLEVEL_LOOPBACK_TEST);
1649
1650         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
1651                         OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req));
1652         req->hdr.timeout = cpu_to_le32(4);
1653
1654         req->pattern = cpu_to_le64(pattern);
1655         req->src_port = cpu_to_le32(port_num);
1656         req->dest_port = cpu_to_le32(port_num);
1657         req->pkt_size = cpu_to_le32(pkt_size);
1658         req->num_pkts = cpu_to_le32(num_pkts);
1659         req->loopback_type = cpu_to_le32(loopback_type);
1660
1661         status = be_mcc_notify_wait(adapter);
1662         if (!status) {
1663                 struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb);
1664                 status = le32_to_cpu(resp->status);
1665         }
1666
1667 err:
1668         spin_unlock_bh(&adapter->mcc_lock);
1669         return status;
1670 }
1671
1672 int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
1673                                 u32 byte_cnt, struct be_dma_mem *cmd)
1674 {
1675         struct be_mcc_wrb *wrb;
1676         struct be_cmd_req_ddrdma_test *req;
1677         struct be_sge *sge;
1678         int status;
1679         int i, j = 0;
1680
1681         spin_lock_bh(&adapter->mcc_lock);
1682
1683         wrb = wrb_from_mccq(adapter);
1684         if (!wrb) {
1685                 status = -EBUSY;
1686                 goto err;
1687         }
1688         req = cmd->va;
1689         sge = nonembedded_sgl(wrb);
1690         be_wrb_hdr_prepare(wrb, cmd->size, false, 1,
1691                                 OPCODE_LOWLEVEL_HOST_DDR_DMA);
1692         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
1693                         OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size);
1694
1695         sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
1696         sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
1697         sge->len = cpu_to_le32(cmd->size);
1698
1699         req->pattern = cpu_to_le64(pattern);
1700         req->byte_count = cpu_to_le32(byte_cnt);
1701         for (i = 0; i < byte_cnt; i++) {
1702                 req->snd_buff[i] = (u8)(pattern >> (j*8));
1703                 j++;
1704                 if (j > 7)
1705                         j = 0;
1706         }
1707
1708         status = be_mcc_notify_wait(adapter);
1709
1710         if (!status) {
1711                 struct be_cmd_resp_ddrdma_test *resp;
1712                 resp = cmd->va;
1713                 if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
1714                                 resp->snd_err) {
1715                         status = -1;
1716                 }
1717         }
1718
1719 err:
1720         spin_unlock_bh(&adapter->mcc_lock);
1721         return status;
1722 }
1723
1724 int be_cmd_get_seeprom_data(struct be_adapter *adapter,
1725                                 struct be_dma_mem *nonemb_cmd)
1726 {
1727         struct be_mcc_wrb *wrb;
1728         struct be_cmd_req_seeprom_read *req;
1729         struct be_sge *sge;
1730         int status;
1731
1732         spin_lock_bh(&adapter->mcc_lock);
1733
1734         wrb = wrb_from_mccq(adapter);
1735         req = nonemb_cmd->va;
1736         sge = nonembedded_sgl(wrb);
1737
1738         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
1739                         OPCODE_COMMON_SEEPROM_READ);
1740
1741         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1742                         OPCODE_COMMON_SEEPROM_READ, sizeof(*req));
1743
1744         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
1745         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
1746         sge->len = cpu_to_le32(nonemb_cmd->size);
1747
1748         status = be_mcc_notify_wait(adapter);
1749
1750         spin_unlock_bh(&adapter->mcc_lock);
1751         return status;
1752 }
1753
1754 int be_cmd_get_phy_info(struct be_adapter *adapter, struct be_dma_mem *cmd)
1755 {
1756         struct be_mcc_wrb *wrb;
1757         struct be_cmd_req_get_phy_info *req;
1758         struct be_sge *sge;
1759         int status;
1760
1761         spin_lock_bh(&adapter->mcc_lock);
1762
1763         wrb = wrb_from_mccq(adapter);
1764         if (!wrb) {
1765                 status = -EBUSY;
1766                 goto err;
1767         }
1768
1769         req = cmd->va;
1770         sge = nonembedded_sgl(wrb);
1771
1772         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
1773                                 OPCODE_COMMON_GET_PHY_DETAILS);
1774
1775         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1776                         OPCODE_COMMON_GET_PHY_DETAILS,
1777                         sizeof(*req));
1778
1779         sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
1780         sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
1781         sge->len = cpu_to_le32(cmd->size);
1782
1783         status = be_mcc_notify_wait(adapter);
1784 err:
1785         spin_unlock_bh(&adapter->mcc_lock);
1786         return status;
1787 }
1788
1789 int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
1790 {
1791         struct be_mcc_wrb *wrb;
1792         struct be_cmd_req_set_qos *req;
1793         int status;
1794
1795         spin_lock_bh(&adapter->mcc_lock);
1796
1797         wrb = wrb_from_mccq(adapter);
1798         if (!wrb) {
1799                 status = -EBUSY;
1800                 goto err;
1801         }
1802
1803         req = embedded_payload(wrb);
1804
1805         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
1806                                 OPCODE_COMMON_SET_QOS);
1807
1808         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1809                         OPCODE_COMMON_SET_QOS, sizeof(*req));
1810
1811         req->hdr.domain = domain;
1812         req->valid_bits = BE_QOS_BITS_NIC;
1813         req->max_bps_nic = bps;
1814
1815         status = be_mcc_notify_wait(adapter);
1816
1817 err:
1818         spin_unlock_bh(&adapter->mcc_lock);
1819         return status;
1820 }