git.oblomov.eu Git - linux-2.6/blob - drivers/net/benet/be_cmds.c

   1 /*
   2  * Copyright (C) 2005 - 2009 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
  20 static int be_mbox_db_ready_wait(void __iomem *db)
  21 {
  22         int cnt = 0, wait = 5;
  23         u32 ready;
  24
  25         do {
  26                 ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
  27                 if (ready)
  28                         break;
  29
  30                 if (cnt > 200000) {
  31                         printk(KERN_WARNING DRV_NAME
  32                                 ": mbox_db poll timed out\n");
  33                         return -1;
  34                 }
  35
  36                 if (cnt > 50)
  37                         wait = 200;
  38                 cnt += wait;
  39                 udelay(wait);
  40         } while (true);
  41
  42         return 0;
  43 }
  44
  45 /*
  46  * Insert the mailbox address into the doorbell in two steps
  47  */
  48 static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
  49 {
  50         int status;
  51         u16 compl_status, extd_status;
  52         u32 val = 0;
  53         void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
  54         struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
  55         struct be_mcc_mailbox *mbox = mbox_mem->va;
  56         struct be_mcc_cq_entry *cqe = &mbox->cqe;
  57
  58         memset(cqe, 0, sizeof(*cqe));
  59
  60         val &= ~MPU_MAILBOX_DB_RDY_MASK;
  61         val |= MPU_MAILBOX_DB_HI_MASK;
  62         /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
  63         val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
  64         iowrite32(val, db);
  65
  66         /* wait for ready to be set */
  67         status = be_mbox_db_ready_wait(db);
  68         if (status != 0)
  69                 return status;
  70
  71         val = 0;
  72         val &= ~MPU_MAILBOX_DB_RDY_MASK;
  73         val &= ~MPU_MAILBOX_DB_HI_MASK;
  74         /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
  75         val |= (u32)(mbox_mem->dma >> 4) << 2;
  76         iowrite32(val, db);
  77
  78         status = be_mbox_db_ready_wait(db);
  79         if (status != 0)
  80                 return status;
  81
  82         /* compl entry has been made now */
  83         be_dws_le_to_cpu(cqe, sizeof(*cqe));
  84         if (!(cqe->flags & CQE_FLAGS_VALID_MASK)) {
  85                 printk(KERN_WARNING DRV_NAME ": ERROR invalid mbox compl\n");
  86                 return -1;
  87         }
  88
  89         compl_status = (cqe->status >> CQE_STATUS_COMPL_SHIFT) &
  90                                 CQE_STATUS_COMPL_MASK;
  91         if (compl_status != MCC_STATUS_SUCCESS) {
  92                 extd_status = (cqe->status >> CQE_STATUS_EXTD_SHIFT) &
  93                                 CQE_STATUS_EXTD_MASK;
  94                 printk(KERN_WARNING DRV_NAME
  95                         ": ERROR in cmd compl. status(compl/extd)=%d/%d\n",
  96                         compl_status, extd_status);
  97         }
  98
  99         return compl_status;
 100 }
 101
 102 static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage)
 103 {
 104         u32 sem = ioread32(ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
 105
 106         *stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
 107         if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
 108                 return -1;
 109         else
 110                 return 0;
 111 }
 112
 113 static int be_POST_stage_poll(struct be_ctrl_info *ctrl, u16 poll_stage)
 114 {
 115         u16 stage, cnt, error;
 116         for (cnt = 0; cnt < 5000; cnt++) {
 117                 error = be_POST_stage_get(ctrl, &stage);
 118                 if (error)
 119                         return -1;
 120
 121                 if (stage == poll_stage)
 122                         break;
 123                 udelay(1000);
 124         }
 125         if (stage != poll_stage)
 126                 return -1;
 127         return 0;
 128 }
 129
 130
 131 int be_cmd_POST(struct be_ctrl_info *ctrl)
 132 {
 133         u16 stage, error;
 134
 135         error = be_POST_stage_get(ctrl, &stage);
 136         if (error)
 137                 goto err;
 138
 139         if (stage == POST_STAGE_ARMFW_RDY)
 140                 return 0;
 141
 142         if (stage != POST_STAGE_AWAITING_HOST_RDY)
 143                 goto err;
 144
 145         /* On awaiting host rdy, reset and again poll on awaiting host rdy */
 146         iowrite32(POST_STAGE_BE_RESET, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
 147         error = be_POST_stage_poll(ctrl, POST_STAGE_AWAITING_HOST_RDY);
 148         if (error)
 149                 goto err;
 150
 151         /* Now kickoff POST and poll on armfw ready */
 152         iowrite32(POST_STAGE_HOST_RDY, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
 153         error = be_POST_stage_poll(ctrl, POST_STAGE_ARMFW_RDY);
 154         if (error)
 155                 goto err;
 156
 157         return 0;
 158 err:
 159         printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage);
 160         return -1;
 161 }
 162
 163 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 164 {
 165         return wrb->payload.embedded_payload;
 166 }
 167
 168 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 169 {
 170         return &wrb->payload.sgl[0];
 171 }
 172
 173 /* Don't touch the hdr after it's prepared */
 174 static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
 175                                 bool embedded, u8 sge_cnt)
 176 {
 177         if (embedded)
 178                 wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
 179         else
 180                 wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
 181                                 MCC_WRB_SGE_CNT_SHIFT;
 182         wrb->payload_length = payload_len;
 183         be_dws_cpu_to_le(wrb, 20);
 184 }
 185
 186 /* Don't touch the hdr after it's prepared */
 187 static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
 188                                 u8 subsystem, u8 opcode, int cmd_len)
 189 {
 190         req_hdr->opcode = opcode;
 191         req_hdr->subsystem = subsystem;
 192         req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
 193 }
 194
 195 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
 196                         struct be_dma_mem *mem)
 197 {
 198         int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
 199         u64 dma = (u64)mem->dma;
 200
 201         for (i = 0; i < buf_pages; i++) {
 202                 pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
 203                 pages[i].hi = cpu_to_le32(upper_32_bits(dma));
 204                 dma += PAGE_SIZE_4K;
 205         }
 206 }
 207
 208 /* Converts interrupt delay in microseconds to multiplier value */
 209 static u32 eq_delay_to_mult(u32 usec_delay)
 210 {
 211 #define MAX_INTR_RATE                   651042
 212         const u32 round = 10;
 213         u32 multiplier;
 214
 215         if (usec_delay == 0)
 216                 multiplier = 0;
 217         else {
 218                 u32 interrupt_rate = 1000000 / usec_delay;
 219                 /* Max delay, corresponding to the lowest interrupt rate */
 220                 if (interrupt_rate == 0)
 221                         multiplier = 1023;
 222                 else {
 223                         multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
 224                         multiplier /= interrupt_rate;
 225                         /* Round the multiplier to the closest value.*/
 226                         multiplier = (multiplier + round/2) / round;
 227                         multiplier = min(multiplier, (u32)1023);
 228                 }
 229         }
 230         return multiplier;
 231 }
 232
 233 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
 234 {
 235         return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
 236 }
 237
 238 int be_cmd_eq_create(struct be_ctrl_info *ctrl,
 239                 struct be_queue_info *eq, int eq_delay)
 240 {
 241         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 242         struct be_cmd_req_eq_create *req = embedded_payload(wrb);
 243         struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
 244         struct be_dma_mem *q_mem = &eq->dma_mem;
 245         int status;
 246
 247         spin_lock(&ctrl->cmd_lock);
 248         memset(wrb, 0, sizeof(*wrb));
 249
 250         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 251
 252         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 253                 OPCODE_COMMON_EQ_CREATE, sizeof(*req));
 254
 255         req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 256
 257         AMAP_SET_BITS(struct amap_eq_context, func, req->context,
 258                         ctrl->pci_func);
 259         AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
 260         /* 4byte eqe*/
 261         AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
 262         AMAP_SET_BITS(struct amap_eq_context, count, req->context,
 263                         __ilog2_u32(eq->len/256));
 264         AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
 265                         eq_delay_to_mult(eq_delay));
 266         be_dws_cpu_to_le(req->context, sizeof(req->context));
 267
 268         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 269
 270         status = be_mbox_db_ring(ctrl);
 271         if (!status) {
 272                 eq->id = le16_to_cpu(resp->eq_id);
 273                 eq->created = true;
 274         }
 275         spin_unlock(&ctrl->cmd_lock);
 276         return status;
 277 }
 278
 279 int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
 280                         u8 type, bool permanent, u32 if_handle)
 281 {
 282         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 283         struct be_cmd_req_mac_query *req = embedded_payload(wrb);
 284         struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
 285         int status;
 286
 287         spin_lock(&ctrl->cmd_lock);
 288         memset(wrb, 0, sizeof(*wrb));
 289
 290         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 291
 292         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 293                 OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
 294
 295         req->type = type;
 296         if (permanent) {
 297                 req->permanent = 1;
 298         } else {
 299                 req->if_id = cpu_to_le16((u16)if_handle);
 300                 req->permanent = 0;
 301         }
 302
 303         status = be_mbox_db_ring(ctrl);
 304         if (!status)
 305                 memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
 306
 307         spin_unlock(&ctrl->cmd_lock);
 308         return status;
 309 }
 310
 311 int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
 312                 u32 if_id, u32 *pmac_id)
 313 {
 314         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 315         struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
 316         int status;
 317
 318         spin_lock(&ctrl->cmd_lock);
 319         memset(wrb, 0, sizeof(*wrb));
 320
 321         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 322
 323         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 324                 OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
 325
 326         req->if_id = cpu_to_le32(if_id);
 327         memcpy(req->mac_address, mac_addr, ETH_ALEN);
 328
 329         status = be_mbox_db_ring(ctrl);
 330         if (!status) {
 331                 struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
 332                 *pmac_id = le32_to_cpu(resp->pmac_id);
 333         }
 334
 335         spin_unlock(&ctrl->cmd_lock);
 336         return status;
 337 }
 338
 339 int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
 340 {
 341         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 342         struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
 343         int status;
 344
 345         spin_lock(&ctrl->cmd_lock);
 346         memset(wrb, 0, sizeof(*wrb));
 347
 348         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 349
 350         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 351                 OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
 352
 353         req->if_id = cpu_to_le32(if_id);
 354         req->pmac_id = cpu_to_le32(pmac_id);
 355
 356         status = be_mbox_db_ring(ctrl);
 357         spin_unlock(&ctrl->cmd_lock);
 358
 359         return status;
 360 }
 361
 362 int be_cmd_cq_create(struct be_ctrl_info *ctrl,
 363                 struct be_queue_info *cq, struct be_queue_info *eq,
 364                 bool sol_evts, bool no_delay, int coalesce_wm)
 365 {
 366         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 367         struct be_cmd_req_cq_create *req = embedded_payload(wrb);
 368         struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
 369         struct be_dma_mem *q_mem = &cq->dma_mem;
 370         void *ctxt = &req->context;
 371         int status;
 372
 373         spin_lock(&ctrl->cmd_lock);
 374         memset(wrb, 0, sizeof(*wrb));
 375
 376         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 377
 378         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 379                 OPCODE_COMMON_CQ_CREATE, sizeof(*req));
 380
 381         req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 382
 383         AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
 384         AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
 385         AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
 386                         __ilog2_u32(cq->len/256));
 387         AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
 388         AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
 389         AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
 390         AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
 391         AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 0);
 392         AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func);
 393         be_dws_cpu_to_le(ctxt, sizeof(req->context));
 394
 395         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 396
 397         status = be_mbox_db_ring(ctrl);
 398         if (!status) {
 399                 cq->id = le16_to_cpu(resp->cq_id);
 400                 cq->created = true;
 401         }
 402         spin_unlock(&ctrl->cmd_lock);
 403
 404         return status;
 405 }
 406
 407 int be_cmd_txq_create(struct be_ctrl_info *ctrl,
 408                         struct be_queue_info *txq,
 409                         struct be_queue_info *cq)
 410 {
 411         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 412         struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb);
 413         struct be_dma_mem *q_mem = &txq->dma_mem;
 414         void *ctxt = &req->context;
 415         int status;
 416         u32 len_encoded;
 417
 418         spin_lock(&ctrl->cmd_lock);
 419         memset(wrb, 0, sizeof(*wrb));
 420
 421         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 422
 423         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
 424                 sizeof(*req));
 425
 426         req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
 427         req->ulp_num = BE_ULP1_NUM;
 428         req->type = BE_ETH_TX_RING_TYPE_STANDARD;
 429
 430         len_encoded = fls(txq->len); /* log2(len) + 1 */
 431         if (len_encoded == 16)
 432                 len_encoded = 0;
 433         AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded);
 434         AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
 435                         ctrl->pci_func);
 436         AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
 437         AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
 438
 439         be_dws_cpu_to_le(ctxt, sizeof(req->context));
 440
 441         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 442
 443         status = be_mbox_db_ring(ctrl);
 444         if (!status) {
 445                 struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
 446                 txq->id = le16_to_cpu(resp->cid);
 447                 txq->created = true;
 448         }
 449         spin_unlock(&ctrl->cmd_lock);
 450
 451         return status;
 452 }
 453
 454 int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
 455                 struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
 456                 u16 max_frame_size, u32 if_id, u32 rss)
 457 {
 458         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 459         struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb);
 460         struct be_dma_mem *q_mem = &rxq->dma_mem;
 461         int status;
 462
 463         spin_lock(&ctrl->cmd_lock);
 464         memset(wrb, 0, sizeof(*wrb));
 465
 466         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 467
 468         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
 469                 sizeof(*req));
 470
 471         req->cq_id = cpu_to_le16(cq_id);
 472         req->frag_size = fls(frag_size) - 1;
 473         req->num_pages = 2;
 474         be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
 475         req->interface_id = cpu_to_le32(if_id);
 476         req->max_frame_size = cpu_to_le16(max_frame_size);
 477         req->rss_queue = cpu_to_le32(rss);
 478
 479         status = be_mbox_db_ring(ctrl);
 480         if (!status) {
 481                 struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
 482                 rxq->id = le16_to_cpu(resp->id);
 483                 rxq->created = true;
 484         }
 485         spin_unlock(&ctrl->cmd_lock);
 486
 487         return status;
 488 }
 489
 490 /* Generic destroyer function for all types of queues */
 491 int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 492                 int queue_type)
 493 {
 494         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 495         struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
 496         u8 subsys = 0, opcode = 0;
 497         int status;
 498
 499         spin_lock(&ctrl->cmd_lock);
 500
 501         memset(wrb, 0, sizeof(*wrb));
 502         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 503
 504         switch (queue_type) {
 505         case QTYPE_EQ:
 506                 subsys = CMD_SUBSYSTEM_COMMON;
 507                 opcode = OPCODE_COMMON_EQ_DESTROY;
 508                 break;
 509         case QTYPE_CQ:
 510                 subsys = CMD_SUBSYSTEM_COMMON;
 511                 opcode = OPCODE_COMMON_CQ_DESTROY;
 512                 break;
 513         case QTYPE_TXQ:
 514                 subsys = CMD_SUBSYSTEM_ETH;
 515                 opcode = OPCODE_ETH_TX_DESTROY;
 516                 break;
 517         case QTYPE_RXQ:
 518                 subsys = CMD_SUBSYSTEM_ETH;
 519                 opcode = OPCODE_ETH_RX_DESTROY;
 520                 break;
 521         default:
 522                 printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
 523                 status = -1;
 524                 goto err;
 525         }
 526         be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
 527         req->id = cpu_to_le16(q->id);
 528
 529         status = be_mbox_db_ring(ctrl);
 530 err:
 531         spin_unlock(&ctrl->cmd_lock);
 532
 533         return status;
 534 }
 535
 536 /* Create an rx filtering policy configuration on an i/f */
 537 int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
 538                 bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
 539 {
 540         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 541         struct be_cmd_req_if_create *req = embedded_payload(wrb);
 542         int status;
 543
 544         spin_lock(&ctrl->cmd_lock);
 545         memset(wrb, 0, sizeof(*wrb));
 546
 547         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 548
 549         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 550                 OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
 551
 552         req->capability_flags = cpu_to_le32(flags);
 553         req->enable_flags = cpu_to_le32(flags);
 554         if (!pmac_invalid)
 555                 memcpy(req->mac_addr, mac, ETH_ALEN);
 556
 557         status = be_mbox_db_ring(ctrl);
 558         if (!status) {
 559                 struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
 560                 *if_handle = le32_to_cpu(resp->interface_id);
 561                 if (!pmac_invalid)
 562                         *pmac_id = le32_to_cpu(resp->pmac_id);
 563         }
 564
 565         spin_unlock(&ctrl->cmd_lock);
 566         return status;
 567 }
 568
 569 int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
 570 {
 571         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 572         struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
 573         int status;
 574
 575         spin_lock(&ctrl->cmd_lock);
 576         memset(wrb, 0, sizeof(*wrb));
 577
 578         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 579
 580         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 581                 OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
 582
 583         req->interface_id = cpu_to_le32(interface_id);
 584         status = be_mbox_db_ring(ctrl);
 585
 586         spin_unlock(&ctrl->cmd_lock);
 587
 588         return status;
 589 }
 590
 591 /* Get stats is a non embedded command: the request is not embedded inside
 592  * WRB but is a separate dma memory block
 593  */
 594 int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
 595 {
 596         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 597         struct be_cmd_req_get_stats *req = nonemb_cmd->va;
 598         struct be_sge *sge = nonembedded_sgl(wrb);
 599         int status;
 600
 601         spin_lock(&ctrl->cmd_lock);
 602         memset(wrb, 0, sizeof(*wrb));
 603
 604         memset(req, 0, sizeof(*req));
 605
 606         be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 607
 608         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
 609                 OPCODE_ETH_GET_STATISTICS, sizeof(*req));
 610         sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
 611         sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
 612         sge->len = cpu_to_le32(nonemb_cmd->size);
 613
 614         status = be_mbox_db_ring(ctrl);
 615         if (!status) {
 616                 struct be_cmd_resp_get_stats *resp = nonemb_cmd->va;
 617                 be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
 618         }
 619
 620         spin_unlock(&ctrl->cmd_lock);
 621         return status;
 622 }
 623
 624 int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
 625                         struct be_link_info *link)
 626 {
 627         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 628         struct be_cmd_req_link_status *req = embedded_payload(wrb);
 629         int status;
 630
 631         spin_lock(&ctrl->cmd_lock);
 632         memset(wrb, 0, sizeof(*wrb));
 633
 634         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 635
 636         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 637                 OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
 638
 639         status = be_mbox_db_ring(ctrl);
 640         if (!status) {
 641                 struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
 642                 link->speed = resp->mac_speed;
 643                 link->duplex = resp->mac_duplex;
 644                 link->fault = resp->mac_fault;
 645         } else {
 646                 link->speed = PHY_LINK_SPEED_ZERO;
 647         }
 648
 649         spin_unlock(&ctrl->cmd_lock);
 650         return status;
 651 }
 652
 653 int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
 654 {
 655         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 656         struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
 657         int status;
 658
 659         spin_lock(&ctrl->cmd_lock);
 660         memset(wrb, 0, sizeof(*wrb));
 661
 662         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 663
 664         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 665                 OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
 666
 667         status = be_mbox_db_ring(ctrl);
 668         if (!status) {
 669                 struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
 670                 strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
 671         }
 672
 673         spin_unlock(&ctrl->cmd_lock);
 674         return status;
 675 }
 676
 677 /* set the EQ delay interval of an EQ to specified value */
 678 int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
 679 {
 680         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 681         struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
 682         int status;
 683
 684         spin_lock(&ctrl->cmd_lock);
 685         memset(wrb, 0, sizeof(*wrb));
 686
 687         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 688
 689         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 690                 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
 691
 692         req->num_eq = cpu_to_le32(1);
 693         req->delay[0].eq_id = cpu_to_le32(eq_id);
 694         req->delay[0].phase = 0;
 695         req->delay[0].delay_multiplier = cpu_to_le32(eqd);
 696
 697         status = be_mbox_db_ring(ctrl);
 698
 699         spin_unlock(&ctrl->cmd_lock);
 700         return status;
 701 }
 702
 703 int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
 704                         u32 num, bool untagged, bool promiscuous)
 705 {
 706         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 707         struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
 708         int status;
 709
 710         spin_lock(&ctrl->cmd_lock);
 711         memset(wrb, 0, sizeof(*wrb));
 712
 713         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 714
 715         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 716                 OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
 717
 718         req->interface_id = if_id;
 719         req->promiscuous = promiscuous;
 720         req->untagged = untagged;
 721         req->num_vlan = num;
 722         if (!promiscuous) {
 723                 memcpy(req->normal_vlan, vtag_array,
 724                         req->num_vlan * sizeof(vtag_array[0]));
 725         }
 726
 727         status = be_mbox_db_ring(ctrl);
 728
 729         spin_unlock(&ctrl->cmd_lock);
 730         return status;
 731 }
 732
 733 int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
 734 {
 735         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 736         struct be_cmd_req_promiscuous_config *req = embedded_payload(wrb);
 737         int status;
 738
 739         spin_lock(&ctrl->cmd_lock);
 740         memset(wrb, 0, sizeof(*wrb));
 741
 742         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 743
 744         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
 745                 OPCODE_ETH_PROMISCUOUS, sizeof(*req));
 746
 747         if (port_num)
 748                 req->port1_promiscuous = en;
 749         else
 750                 req->port0_promiscuous = en;
 751
 752         status = be_mbox_db_ring(ctrl);
 753
 754         spin_unlock(&ctrl->cmd_lock);
 755         return status;
 756 }
 757
 758 int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,
 759                         u32 num, bool promiscuous)
 760 {
 761         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 762         struct be_cmd_req_mcast_mac_config *req = embedded_payload(wrb);
 763         int status;
 764
 765         spin_lock(&ctrl->cmd_lock);
 766         memset(wrb, 0, sizeof(*wrb));
 767
 768         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 769
 770         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 771                 OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
 772
 773         req->interface_id = if_id;
 774         req->promiscuous = promiscuous;
 775         if (!promiscuous) {
 776                 req->num_mac = cpu_to_le16(num);
 777                 if (num)
 778                         memcpy(req->mac, mac_table, ETH_ALEN * num);
 779         }
 780
 781         status = be_mbox_db_ring(ctrl);
 782
 783         spin_unlock(&ctrl->cmd_lock);
 784         return status;
 785 }
 786
 787 int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
 788 {
 789         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 790         struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
 791         int status;
 792
 793         spin_lock(&ctrl->cmd_lock);
 794
 795         memset(wrb, 0, sizeof(*wrb));
 796
 797         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 798
 799         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 800                 OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
 801
 802         req->tx_flow_control = cpu_to_le16((u16)tx_fc);
 803         req->rx_flow_control = cpu_to_le16((u16)rx_fc);
 804
 805         status = be_mbox_db_ring(ctrl);
 806
 807         spin_unlock(&ctrl->cmd_lock);
 808         return status;
 809 }
 810
 811 int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
 812 {
 813         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 814         struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
 815         int status;
 816
 817         spin_lock(&ctrl->cmd_lock);
 818
 819         memset(wrb, 0, sizeof(*wrb));
 820
 821         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 822
 823         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 824                 OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
 825
 826         status = be_mbox_db_ring(ctrl);
 827         if (!status) {
 828                 struct be_cmd_resp_get_flow_control *resp =
 829                                                 embedded_payload(wrb);
 830                 *tx_fc = le16_to_cpu(resp->tx_flow_control);
 831                 *rx_fc = le16_to_cpu(resp->rx_flow_control);
 832         }
 833
 834         spin_unlock(&ctrl->cmd_lock);
 835         return status;
 836 }
 837
 838 int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
 839 {
 840         struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 841         struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
 842         int status;
 843
 844         spin_lock(&ctrl->cmd_lock);
 845
 846         memset(wrb, 0, sizeof(*wrb));
 847
 848         be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 849
 850         be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 851                 OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
 852
 853         status = be_mbox_db_ring(ctrl);
 854         if (!status) {
 855                 struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
 856                 *port_num = le32_to_cpu(resp->phys_port);
 857         }
 858
 859         spin_unlock(&ctrl->cmd_lock);
 860         return status;
 861 }