drivers/net/ethernet/qlogic/qed/qed_fcoe.c

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/types.h>
  34 #include <asm/byteorder.h>
  35 #include <asm/param.h>
  36 #include <linux/delay.h>
  37 #include <linux/dma-mapping.h>
  38 #include <linux/interrupt.h>
  39 #include <linux/kernel.h>
  40 #include <linux/log2.h>
  41 #include <linux/module.h>
  42 #include <linux/pci.h>
  43 #include <linux/slab.h>
  44 #include <linux/stddef.h>
  45 #include <linux/string.h>
  46 #include <linux/workqueue.h>
  47 #include <linux/errno.h>
  48 #include <linux/list.h>
  49 #include <linux/spinlock.h>
  50 #define __PREVENT_DUMP_MEM_ARR__
  51 #define __PREVENT_PXP_GLOBAL_WIN__
  52 #include "qed.h"
  53 #include "qed_cxt.h"
  54 #include "qed_dev_api.h"
  55 #include "qed_fcoe.h"
  56 #include "qed_hsi.h"
  57 #include "qed_hw.h"
  58 #include "qed_int.h"
  59 #include "qed_ll2.h"
  60 #include "qed_mcp.h"
  61 #include "qed_reg_addr.h"
  62 #include "qed_sp.h"
  63 #include "qed_sriov.h"
  64 #include <linux/qed/qed_fcoe_if.h>
  65
  66 struct qed_fcoe_conn {
  67         struct list_head list_entry;
  68         bool free_on_delete;
  69
  70         u16 conn_id;
  71         u32 icid;
  72         u32 fw_cid;
  73         u8 layer_code;
  74
  75         dma_addr_t sq_pbl_addr;
  76         dma_addr_t sq_curr_page_addr;
  77         dma_addr_t sq_next_page_addr;
  78         dma_addr_t xferq_pbl_addr;
  79         void *xferq_pbl_addr_virt_addr;
  80         dma_addr_t xferq_addr[4];
  81         void *xferq_addr_virt_addr[4];
  82         dma_addr_t confq_pbl_addr;
  83         void *confq_pbl_addr_virt_addr;
  84         dma_addr_t confq_addr[2];
  85         void *confq_addr_virt_addr[2];
  86
  87         dma_addr_t terminate_params;
  88
  89         u16 dst_mac_addr_lo;
  90         u16 dst_mac_addr_mid;
  91         u16 dst_mac_addr_hi;
  92         u16 src_mac_addr_lo;
  93         u16 src_mac_addr_mid;
  94         u16 src_mac_addr_hi;
  95
  96         u16 tx_max_fc_pay_len;
  97         u16 e_d_tov_timer_val;
  98         u16 rec_tov_timer_val;
  99         u16 rx_max_fc_pay_len;
 100         u16 vlan_tag;
 101         u16 physical_q0;
 102
 103         struct fc_addr_nw s_id;
 104         u8 max_conc_seqs_c3;
 105         struct fc_addr_nw d_id;
 106         u8 flags;
 107         u8 def_q_idx;
 108 };
 109
 110 static int
 111 qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
 112                        enum spq_mode comp_mode,
 113                        struct qed_spq_comp_cb *p_comp_addr)
 114 {
 115         struct qed_fcoe_pf_params *fcoe_pf_params = NULL;
 116         struct fcoe_init_ramrod_params *p_ramrod = NULL;
 117         struct fcoe_init_func_ramrod_data *p_data;
 118         struct e4_fcoe_conn_context *p_cxt = NULL;
 119         struct qed_spq_entry *p_ent = NULL;
 120         struct qed_sp_init_data init_data;
 121         struct qed_cxt_info cxt_info;
 122         u32 dummy_cid;
 123         int rc = 0;
 124         u16 tmp;
 125         u8 i;
 126
 127         /* Get SPQ entry */
 128         memset(&init_data, 0, sizeof(init_data));
 129         init_data.cid = qed_spq_get_cid(p_hwfn);
 130         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 131         init_data.comp_mode = comp_mode;
 132         init_data.p_comp_data = p_comp_addr;
 133
 134         rc = qed_sp_init_request(p_hwfn, &p_ent,
 135                                  FCOE_RAMROD_CMD_ID_INIT_FUNC,
 136                                  PROTOCOLID_FCOE, &init_data);
 137         if (rc)
 138                 return rc;
 139
 140         p_ramrod = &p_ent->ramrod.fcoe_init;
 141         p_data = &p_ramrod->init_ramrod_data;
 142         fcoe_pf_params = &p_hwfn->pf_params.fcoe_pf_params;
 143
 144         /* Sanity */
 145         if (fcoe_pf_params->num_cqs > p_hwfn->hw_info.feat_num[QED_FCOE_CQ]) {
 146                 DP_ERR(p_hwfn,
 147                        "Cannot satisfy CQ amount. CQs requested %d, CQs available %d. Aborting function start\n",
 148                        fcoe_pf_params->num_cqs,
 149                        p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
 150                 return -EINVAL;
 151         }
 152
 153         p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
 154         tmp = cpu_to_le16(fcoe_pf_params->sq_num_pbl_pages);
 155         p_data->sq_num_pages_in_pbl = tmp;
 156
 157         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
 158         if (rc)
 159                 return rc;
 160
 161         cxt_info.iid = dummy_cid;
 162         rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
 163         if (rc) {
 164                 DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
 165                           dummy_cid);
 166                 return rc;
 167         }
 168         p_cxt = cxt_info.p_cxt;
 169         SET_FIELD(p_cxt->tstorm_ag_context.flags3,
 170                   E4_TSTORM_FCOE_CONN_AG_CTX_DUMMY_TIMER_CF_EN, 1);
 171
 172         fcoe_pf_params->dummy_icid = (u16)dummy_cid;
 173
 174         tmp = cpu_to_le16(fcoe_pf_params->num_tasks);
 175         p_data->func_params.num_tasks = tmp;
 176         p_data->func_params.log_page_size = fcoe_pf_params->log_page_size;
 177         p_data->func_params.debug_mode = fcoe_pf_params->debug_mode;
 178
 179         DMA_REGPAIR_LE(p_data->q_params.glbl_q_params_addr,
 180                        fcoe_pf_params->glbl_q_params_addr);
 181
 182         tmp = cpu_to_le16(fcoe_pf_params->cq_num_entries);
 183         p_data->q_params.cq_num_entries = tmp;
 184
 185         tmp = cpu_to_le16(fcoe_pf_params->cmdq_num_entries);
 186         p_data->q_params.cmdq_num_entries = tmp;
 187
 188         tmp = fcoe_pf_params->num_cqs;
 189         p_data->q_params.num_queues = (u8)tmp;
 190
 191         tmp = (u16)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS];
 192         p_data->q_params.queue_relative_offset = (u8)tmp;
 193
 194         for (i = 0; i < fcoe_pf_params->num_cqs; i++) {
 195                 u16 igu_sb_id;
 196
 197                 igu_sb_id = qed_get_igu_sb_id(p_hwfn, i);
 198                 tmp = cpu_to_le16(igu_sb_id);
 199                 p_data->q_params.cq_cmdq_sb_num_arr[i] = tmp;
 200         }
 201
 202         p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi;
 203         p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi;
 204
 205         p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
 206
 207         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ],
 208                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
 209         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_RQ] =
 210             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_RQ];
 211         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_RQ];
 212         p_data->q_params.bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
 213         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_RQ];
 214         p_data->q_params.bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
 215
 216         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_IMM_DATA],
 217                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]);
 218         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA] =
 219             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA];
 220         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA];
 221         p_data->q_params.bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
 222         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_IMM_DATA];
 223         p_data->q_params.bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
 224         tmp = fcoe_pf_params->rq_buffer_size;
 225         p_data->q_params.rq_buffer_size = cpu_to_le16(tmp);
 226
 227         if (fcoe_pf_params->is_target) {
 228                 SET_FIELD(p_data->q_params.q_validity,
 229                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
 230                 if (p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA])
 231                         SET_FIELD(p_data->q_params.q_validity,
 232                                   SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1);
 233                 SET_FIELD(p_data->q_params.q_validity,
 234                           SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1);
 235         } else {
 236                 SET_FIELD(p_data->q_params.q_validity,
 237                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
 238         }
 239
 240         rc = qed_spq_post(p_hwfn, p_ent, NULL);
 241
 242         return rc;
 243 }
 244
 245 static int
 246 qed_sp_fcoe_conn_offload(struct qed_hwfn *p_hwfn,
 247                          struct qed_fcoe_conn *p_conn,
 248                          enum spq_mode comp_mode,
 249                          struct qed_spq_comp_cb *p_comp_addr)
 250 {
 251         struct fcoe_conn_offload_ramrod_params *p_ramrod = NULL;
 252         struct fcoe_conn_offload_ramrod_data *p_data;
 253         struct qed_spq_entry *p_ent = NULL;
 254         struct qed_sp_init_data init_data;
 255         u16 physical_q0, tmp;
 256         int rc;
 257
 258         /* Get SPQ entry */
 259         memset(&init_data, 0, sizeof(init_data));
 260         init_data.cid = p_conn->icid;
 261         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 262         init_data.comp_mode = comp_mode;
 263         init_data.p_comp_data = p_comp_addr;
 264
 265         rc = qed_sp_init_request(p_hwfn, &p_ent,
 266                                  FCOE_RAMROD_CMD_ID_OFFLOAD_CONN,
 267                                  PROTOCOLID_FCOE, &init_data);
 268         if (rc)
 269                 return rc;
 270
 271         p_ramrod = &p_ent->ramrod.fcoe_conn_ofld;
 272         p_data = &p_ramrod->offload_ramrod_data;
 273
 274         /* Transmission PQ is the first of the PF */
 275         physical_q0 = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
 276         p_conn->physical_q0 = cpu_to_le16(physical_q0);
 277         p_data->physical_q0 = cpu_to_le16(physical_q0);
 278
 279         p_data->conn_id = cpu_to_le16(p_conn->conn_id);
 280         DMA_REGPAIR_LE(p_data->sq_pbl_addr, p_conn->sq_pbl_addr);
 281         DMA_REGPAIR_LE(p_data->sq_curr_page_addr, p_conn->sq_curr_page_addr);
 282         DMA_REGPAIR_LE(p_data->sq_next_page_addr, p_conn->sq_next_page_addr);
 283         DMA_REGPAIR_LE(p_data->xferq_pbl_addr, p_conn->xferq_pbl_addr);
 284         DMA_REGPAIR_LE(p_data->xferq_curr_page_addr, p_conn->xferq_addr[0]);
 285         DMA_REGPAIR_LE(p_data->xferq_next_page_addr, p_conn->xferq_addr[1]);
 286
 287         DMA_REGPAIR_LE(p_data->respq_pbl_addr, p_conn->confq_pbl_addr);
 288         DMA_REGPAIR_LE(p_data->respq_curr_page_addr, p_conn->confq_addr[0]);
 289         DMA_REGPAIR_LE(p_data->respq_next_page_addr, p_conn->confq_addr[1]);
 290
 291         p_data->dst_mac_addr_lo = cpu_to_le16(p_conn->dst_mac_addr_lo);
 292         p_data->dst_mac_addr_mid = cpu_to_le16(p_conn->dst_mac_addr_mid);
 293         p_data->dst_mac_addr_hi = cpu_to_le16(p_conn->dst_mac_addr_hi);
 294         p_data->src_mac_addr_lo = cpu_to_le16(p_conn->src_mac_addr_lo);
 295         p_data->src_mac_addr_mid = cpu_to_le16(p_conn->src_mac_addr_mid);
 296         p_data->src_mac_addr_hi = cpu_to_le16(p_conn->src_mac_addr_hi);
 297
 298         tmp = cpu_to_le16(p_conn->tx_max_fc_pay_len);
 299         p_data->tx_max_fc_pay_len = tmp;
 300         tmp = cpu_to_le16(p_conn->e_d_tov_timer_val);
 301         p_data->e_d_tov_timer_val = tmp;
 302         tmp = cpu_to_le16(p_conn->rec_tov_timer_val);
 303         p_data->rec_rr_tov_timer_val = tmp;
 304         tmp = cpu_to_le16(p_conn->rx_max_fc_pay_len);
 305         p_data->rx_max_fc_pay_len = tmp;
 306
 307         p_data->vlan_tag = cpu_to_le16(p_conn->vlan_tag);
 308         p_data->s_id.addr_hi = p_conn->s_id.addr_hi;
 309         p_data->s_id.addr_mid = p_conn->s_id.addr_mid;
 310         p_data->s_id.addr_lo = p_conn->s_id.addr_lo;
 311         p_data->max_conc_seqs_c3 = p_conn->max_conc_seqs_c3;
 312         p_data->d_id.addr_hi = p_conn->d_id.addr_hi;
 313         p_data->d_id.addr_mid = p_conn->d_id.addr_mid;
 314         p_data->d_id.addr_lo = p_conn->d_id.addr_lo;
 315         p_data->flags = p_conn->flags;
 316         if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
 317                 SET_FIELD(p_data->flags,
 318                           FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN, 1);
 319         p_data->def_q_idx = p_conn->def_q_idx;
 320
 321         return qed_spq_post(p_hwfn, p_ent, NULL);
 322 }
 323
 324 static int
 325 qed_sp_fcoe_conn_destroy(struct qed_hwfn *p_hwfn,
 326                          struct qed_fcoe_conn *p_conn,
 327                          enum spq_mode comp_mode,
 328                          struct qed_spq_comp_cb *p_comp_addr)
 329 {
 330         struct fcoe_conn_terminate_ramrod_params *p_ramrod = NULL;
 331         struct qed_spq_entry *p_ent = NULL;
 332         struct qed_sp_init_data init_data;
 333         int rc = 0;
 334
 335         /* Get SPQ entry */
 336         memset(&init_data, 0, sizeof(init_data));
 337         init_data.cid = p_conn->icid;
 338         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 339         init_data.comp_mode = comp_mode;
 340         init_data.p_comp_data = p_comp_addr;
 341
 342         rc = qed_sp_init_request(p_hwfn, &p_ent,
 343                                  FCOE_RAMROD_CMD_ID_TERMINATE_CONN,
 344                                  PROTOCOLID_FCOE, &init_data);
 345         if (rc)
 346                 return rc;
 347
 348         p_ramrod = &p_ent->ramrod.fcoe_conn_terminate;
 349         DMA_REGPAIR_LE(p_ramrod->terminate_ramrod_data.terminate_params_addr,
 350                        p_conn->terminate_params);
 351
 352         return qed_spq_post(p_hwfn, p_ent, NULL);
 353 }
 354
 355 static int
 356 qed_sp_fcoe_func_stop(struct qed_hwfn *p_hwfn,
 357                       struct qed_ptt *p_ptt,
 358                       enum spq_mode comp_mode,
 359                       struct qed_spq_comp_cb *p_comp_addr)
 360 {
 361         struct qed_spq_entry *p_ent = NULL;
 362         struct qed_sp_init_data init_data;
 363         u32 active_segs = 0;
 364         int rc = 0;
 365
 366         /* Get SPQ entry */
 367         memset(&init_data, 0, sizeof(init_data));
 368         init_data.cid = p_hwfn->pf_params.fcoe_pf_params.dummy_icid;
 369         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 370         init_data.comp_mode = comp_mode;
 371         init_data.p_comp_data = p_comp_addr;
 372
 373         rc = qed_sp_init_request(p_hwfn, &p_ent,
 374                                  FCOE_RAMROD_CMD_ID_DESTROY_FUNC,
 375                                  PROTOCOLID_FCOE, &init_data);
 376         if (rc)
 377                 return rc;
 378
 379         active_segs = qed_rd(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK);
 380         active_segs &= ~BIT(QED_CXT_FCOE_TID_SEG);
 381         qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, active_segs);
 382
 383         return qed_spq_post(p_hwfn, p_ent, NULL);
 384 }
 385
 386 static int
 387 qed_fcoe_allocate_connection(struct qed_hwfn *p_hwfn,
 388                              struct qed_fcoe_conn **p_out_conn)
 389 {
 390         struct qed_fcoe_conn *p_conn = NULL;
 391         void *p_addr;
 392         u32 i;
 393
 394         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 395         if (!list_empty(&p_hwfn->p_fcoe_info->free_list))
 396                 p_conn =
 397                     list_first_entry(&p_hwfn->p_fcoe_info->free_list,
 398                                      struct qed_fcoe_conn, list_entry);
 399         if (p_conn) {
 400                 list_del(&p_conn->list_entry);
 401                 spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 402                 *p_out_conn = p_conn;
 403                 return 0;
 404         }
 405         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 406
 407         p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL);
 408         if (!p_conn)
 409                 return -ENOMEM;
 410
 411         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 412                                     QED_CHAIN_PAGE_SIZE,
 413                                     &p_conn->xferq_pbl_addr, GFP_KERNEL);
 414         if (!p_addr)
 415                 goto nomem_pbl_xferq;
 416         p_conn->xferq_pbl_addr_virt_addr = p_addr;
 417
 418         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
 419                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 420                                             QED_CHAIN_PAGE_SIZE,
 421                                             &p_conn->xferq_addr[i], GFP_KERNEL);
 422                 if (!p_addr)
 423                         goto nomem_xferq;
 424                 p_conn->xferq_addr_virt_addr[i] = p_addr;
 425
 426                 p_addr = p_conn->xferq_pbl_addr_virt_addr;
 427                 ((dma_addr_t *)p_addr)[i] = p_conn->xferq_addr[i];
 428         }
 429
 430         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 431                                     QED_CHAIN_PAGE_SIZE,
 432                                     &p_conn->confq_pbl_addr, GFP_KERNEL);
 433         if (!p_addr)
 434                 goto nomem_xferq;
 435         p_conn->confq_pbl_addr_virt_addr = p_addr;
 436
 437         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
 438                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 439                                             QED_CHAIN_PAGE_SIZE,
 440                                             &p_conn->confq_addr[i], GFP_KERNEL);
 441                 if (!p_addr)
 442                         goto nomem_confq;
 443                 p_conn->confq_addr_virt_addr[i] = p_addr;
 444
 445                 p_addr = p_conn->confq_pbl_addr_virt_addr;
 446                 ((dma_addr_t *)p_addr)[i] = p_conn->confq_addr[i];
 447         }
 448
 449         p_conn->free_on_delete = true;
 450         *p_out_conn = p_conn;
 451         return 0;
 452
 453 nomem_confq:
 454         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 455                           QED_CHAIN_PAGE_SIZE,
 456                           p_conn->confq_pbl_addr_virt_addr,
 457                           p_conn->confq_pbl_addr);
 458         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++)
 459                 if (p_conn->confq_addr_virt_addr[i])
 460                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 461                                           QED_CHAIN_PAGE_SIZE,
 462                                           p_conn->confq_addr_virt_addr[i],
 463                                           p_conn->confq_addr[i]);
 464 nomem_xferq:
 465         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 466                           QED_CHAIN_PAGE_SIZE,
 467                           p_conn->xferq_pbl_addr_virt_addr,
 468                           p_conn->xferq_pbl_addr);
 469         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++)
 470                 if (p_conn->xferq_addr_virt_addr[i])
 471                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 472                                           QED_CHAIN_PAGE_SIZE,
 473                                           p_conn->xferq_addr_virt_addr[i],
 474                                           p_conn->xferq_addr[i]);
 475 nomem_pbl_xferq:
 476         kfree(p_conn);
 477         return -ENOMEM;
 478 }
 479
 480 static void qed_fcoe_free_connection(struct qed_hwfn *p_hwfn,
 481                                      struct qed_fcoe_conn *p_conn)
 482 {
 483         u32 i;
 484
 485         if (!p_conn)
 486                 return;
 487
 488         if (p_conn->confq_pbl_addr_virt_addr)
 489                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 490                                   QED_CHAIN_PAGE_SIZE,
 491                                   p_conn->confq_pbl_addr_virt_addr,
 492                                   p_conn->confq_pbl_addr);
 493
 494         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
 495                 if (!p_conn->confq_addr_virt_addr[i])
 496                         continue;
 497                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 498                                   QED_CHAIN_PAGE_SIZE,
 499                                   p_conn->confq_addr_virt_addr[i],
 500                                   p_conn->confq_addr[i]);
 501         }
 502
 503         if (p_conn->xferq_pbl_addr_virt_addr)
 504                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 505                                   QED_CHAIN_PAGE_SIZE,
 506                                   p_conn->xferq_pbl_addr_virt_addr,
 507                                   p_conn->xferq_pbl_addr);
 508
 509         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
 510                 if (!p_conn->xferq_addr_virt_addr[i])
 511                         continue;
 512                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 513                                   QED_CHAIN_PAGE_SIZE,
 514                                   p_conn->xferq_addr_virt_addr[i],
 515                                   p_conn->xferq_addr[i]);
 516         }
 517         kfree(p_conn);
 518 }
 519
 520 static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
 521 {
 522         return (u8 __iomem *)p_hwfn->doorbells +
 523                qed_db_addr(cid, DQ_DEMS_LEGACY);
 524 }
 525
 526 static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
 527                                                    u8 bdq_id)
 528 {
 529         if (RESC_NUM(p_hwfn, QED_BDQ)) {
 530                 return (u8 __iomem *)p_hwfn->regview +
 531                        GTT_BAR0_MAP_REG_MSDM_RAM +
 532                        MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
 533                                                                   QED_BDQ),
 534                                                        bdq_id);
 535         } else {
 536                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
 537                 return NULL;
 538         }
 539 }
 540
 541 static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
 542                                                      u8 bdq_id)
 543 {
 544         if (RESC_NUM(p_hwfn, QED_BDQ)) {
 545                 return (u8 __iomem *)p_hwfn->regview +
 546                        GTT_BAR0_MAP_REG_TSDM_RAM +
 547                        TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
 548                                                                   QED_BDQ),
 549                                                        bdq_id);
 550         } else {
 551                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
 552                 return NULL;
 553         }
 554 }
 555
 556 int qed_fcoe_alloc(struct qed_hwfn *p_hwfn)
 557 {
 558         struct qed_fcoe_info *p_fcoe_info;
 559
 560         /* Allocate LL2's set struct */
 561         p_fcoe_info = kzalloc(sizeof(*p_fcoe_info), GFP_KERNEL);
 562         if (!p_fcoe_info) {
 563                 DP_NOTICE(p_hwfn, "Failed to allocate qed_fcoe_info'\n");
 564                 return -ENOMEM;
 565         }
 566         INIT_LIST_HEAD(&p_fcoe_info->free_list);
 567
 568         p_hwfn->p_fcoe_info = p_fcoe_info;
 569         return 0;
 570 }
 571
 572 void qed_fcoe_setup(struct qed_hwfn *p_hwfn)
 573 {
 574         struct e4_fcoe_task_context *p_task_ctx = NULL;
 575         int rc;
 576         u32 i;
 577
 578         spin_lock_init(&p_hwfn->p_fcoe_info->lock);
 579         for (i = 0; i < p_hwfn->pf_params.fcoe_pf_params.num_tasks; i++) {
 580                 rc = qed_cxt_get_task_ctx(p_hwfn, i,
 581                                           QED_CTX_WORKING_MEM,
 582                                           (void **)&p_task_ctx);
 583                 if (rc)
 584                         continue;
 585
 586                 memset(p_task_ctx, 0, sizeof(struct e4_fcoe_task_context));
 587                 SET_FIELD(p_task_ctx->timer_context.logical_client_0,
 588                           TIMERS_CONTEXT_VALIDLC0, 1);
 589                 SET_FIELD(p_task_ctx->timer_context.logical_client_1,
 590                           TIMERS_CONTEXT_VALIDLC1, 1);
 591                 SET_FIELD(p_task_ctx->tstorm_ag_context.flags0,
 592                           E4_TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, 1);
 593         }
 594 }
 595
 596 void qed_fcoe_free(struct qed_hwfn *p_hwfn)
 597 {
 598         struct qed_fcoe_conn *p_conn = NULL;
 599
 600         if (!p_hwfn->p_fcoe_info)
 601                 return;
 602
 603         while (!list_empty(&p_hwfn->p_fcoe_info->free_list)) {
 604                 p_conn = list_first_entry(&p_hwfn->p_fcoe_info->free_list,
 605                                           struct qed_fcoe_conn, list_entry);
 606                 if (!p_conn)
 607                         break;
 608                 list_del(&p_conn->list_entry);
 609                 qed_fcoe_free_connection(p_hwfn, p_conn);
 610         }
 611
 612         kfree(p_hwfn->p_fcoe_info);
 613         p_hwfn->p_fcoe_info = NULL;
 614 }
 615
 616 static int
 617 qed_fcoe_acquire_connection(struct qed_hwfn *p_hwfn,
 618                             struct qed_fcoe_conn *p_in_conn,
 619                             struct qed_fcoe_conn **p_out_conn)
 620 {
 621         struct qed_fcoe_conn *p_conn = NULL;
 622         int rc = 0;
 623         u32 icid;
 624
 625         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 626         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &icid);
 627         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 628         if (rc)
 629                 return rc;
 630
 631         /* Use input connection [if provided] or allocate a new one */
 632         if (p_in_conn) {
 633                 p_conn = p_in_conn;
 634         } else {
 635                 rc = qed_fcoe_allocate_connection(p_hwfn, &p_conn);
 636                 if (rc) {
 637                         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 638                         qed_cxt_release_cid(p_hwfn, icid);
 639                         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 640                         return rc;
 641                 }
 642         }
 643
 644         p_conn->icid = icid;
 645         p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid;
 646         *p_out_conn = p_conn;
 647
 648         return rc;
 649 }
 650
 651 static void qed_fcoe_release_connection(struct qed_hwfn *p_hwfn,
 652                                         struct qed_fcoe_conn *p_conn)
 653 {
 654         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 655         list_add_tail(&p_conn->list_entry, &p_hwfn->p_fcoe_info->free_list);
 656         qed_cxt_release_cid(p_hwfn, p_conn->icid);
 657         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 658 }
 659
 660 static void _qed_fcoe_get_tstats(struct qed_hwfn *p_hwfn,
 661                                  struct qed_ptt *p_ptt,
 662                                  struct qed_fcoe_stats *p_stats)
 663 {
 664         struct fcoe_rx_stat tstats;
 665         u32 tstats_addr;
 666
 667         memset(&tstats, 0, sizeof(tstats));
 668         tstats_addr = BAR0_MAP_REG_TSDM_RAM +
 669             TSTORM_FCOE_RX_STATS_OFFSET(p_hwfn->rel_pf_id);
 670         qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats));
 671
 672         p_stats->fcoe_rx_byte_cnt = HILO_64_REGPAIR(tstats.fcoe_rx_byte_cnt);
 673         p_stats->fcoe_rx_data_pkt_cnt =
 674             HILO_64_REGPAIR(tstats.fcoe_rx_data_pkt_cnt);
 675         p_stats->fcoe_rx_xfer_pkt_cnt =
 676             HILO_64_REGPAIR(tstats.fcoe_rx_xfer_pkt_cnt);
 677         p_stats->fcoe_rx_other_pkt_cnt =
 678             HILO_64_REGPAIR(tstats.fcoe_rx_other_pkt_cnt);
 679
 680         p_stats->fcoe_silent_drop_pkt_cmdq_full_cnt =
 681             le32_to_cpu(tstats.fcoe_silent_drop_pkt_cmdq_full_cnt);
 682         p_stats->fcoe_silent_drop_pkt_rq_full_cnt =
 683             le32_to_cpu(tstats.fcoe_silent_drop_pkt_rq_full_cnt);
 684         p_stats->fcoe_silent_drop_pkt_crc_error_cnt =
 685             le32_to_cpu(tstats.fcoe_silent_drop_pkt_crc_error_cnt);
 686         p_stats->fcoe_silent_drop_pkt_task_invalid_cnt =
 687             le32_to_cpu(tstats.fcoe_silent_drop_pkt_task_invalid_cnt);
 688         p_stats->fcoe_silent_drop_total_pkt_cnt =
 689             le32_to_cpu(tstats.fcoe_silent_drop_total_pkt_cnt);
 690 }
 691
 692 static void _qed_fcoe_get_pstats(struct qed_hwfn *p_hwfn,
 693                                  struct qed_ptt *p_ptt,
 694                                  struct qed_fcoe_stats *p_stats)
 695 {
 696         struct fcoe_tx_stat pstats;
 697         u32 pstats_addr;
 698
 699         memset(&pstats, 0, sizeof(pstats));
 700         pstats_addr = BAR0_MAP_REG_PSDM_RAM +
 701             PSTORM_FCOE_TX_STATS_OFFSET(p_hwfn->rel_pf_id);
 702         qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats));
 703
 704         p_stats->fcoe_tx_byte_cnt = HILO_64_REGPAIR(pstats.fcoe_tx_byte_cnt);
 705         p_stats->fcoe_tx_data_pkt_cnt =
 706             HILO_64_REGPAIR(pstats.fcoe_tx_data_pkt_cnt);
 707         p_stats->fcoe_tx_xfer_pkt_cnt =
 708             HILO_64_REGPAIR(pstats.fcoe_tx_xfer_pkt_cnt);
 709         p_stats->fcoe_tx_other_pkt_cnt =
 710             HILO_64_REGPAIR(pstats.fcoe_tx_other_pkt_cnt);
 711 }
 712
 713 static int qed_fcoe_get_stats(struct qed_hwfn *p_hwfn,
 714                               struct qed_fcoe_stats *p_stats)
 715 {
 716         struct qed_ptt *p_ptt;
 717
 718         memset(p_stats, 0, sizeof(*p_stats));
 719
 720         p_ptt = qed_ptt_acquire(p_hwfn);
 721
 722         if (!p_ptt) {
 723                 DP_ERR(p_hwfn, "Failed to acquire ptt\n");
 724                 return -EINVAL;
 725         }
 726
 727         _qed_fcoe_get_tstats(p_hwfn, p_ptt, p_stats);
 728         _qed_fcoe_get_pstats(p_hwfn, p_ptt, p_stats);
 729
 730         qed_ptt_release(p_hwfn, p_ptt);
 731
 732         return 0;
 733 }
 734
 735 struct qed_hash_fcoe_con {
 736         struct hlist_node node;
 737         struct qed_fcoe_conn *con;
 738 };
 739
 740 static int qed_fill_fcoe_dev_info(struct qed_dev *cdev,
 741                                   struct qed_dev_fcoe_info *info)
 742 {
 743         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
 744         int rc;
 745
 746         memset(info, 0, sizeof(*info));
 747         rc = qed_fill_dev_info(cdev, &info->common);
 748
 749         info->primary_dbq_rq_addr =
 750             qed_fcoe_get_primary_bdq_prod(hwfn, BDQ_ID_RQ);
 751         info->secondary_bdq_rq_addr =
 752             qed_fcoe_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ);
 753
 754         info->wwpn = hwfn->mcp_info->func_info.wwn_port;
 755         info->wwnn = hwfn->mcp_info->func_info.wwn_node;
 756
 757         info->num_cqs = FEAT_NUM(hwfn, QED_FCOE_CQ);
 758
 759         return rc;
 760 }
 761
 762 static void qed_register_fcoe_ops(struct qed_dev *cdev,
 763                                   struct qed_fcoe_cb_ops *ops, void *cookie)
 764 {
 765         cdev->protocol_ops.fcoe = ops;
 766         cdev->ops_cookie = cookie;
 767 }
 768
 769 static struct qed_hash_fcoe_con *qed_fcoe_get_hash(struct qed_dev *cdev,
 770                                                    u32 handle)
 771 {
 772         struct qed_hash_fcoe_con *hash_con = NULL;
 773
 774         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED))
 775                 return NULL;
 776
 777         hash_for_each_possible(cdev->connections, hash_con, node, handle) {
 778                 if (hash_con->con->icid == handle)
 779                         break;
 780         }
 781
 782         if (!hash_con || (hash_con->con->icid != handle))
 783                 return NULL;
 784
 785         return hash_con;
 786 }
 787
 788 static int qed_fcoe_stop(struct qed_dev *cdev)
 789 {
 790         struct qed_ptt *p_ptt;
 791         int rc;
 792
 793         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) {
 794                 DP_NOTICE(cdev, "fcoe already stopped\n");
 795                 return 0;
 796         }
 797
 798         if (!hash_empty(cdev->connections)) {
 799                 DP_NOTICE(cdev,
 800                           "Can't stop fcoe - not all connections were returned\n");
 801                 return -EINVAL;
 802         }
 803
 804         p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
 805         if (!p_ptt)
 806                 return -EAGAIN;
 807
 808         /* Stop the fcoe */
 809         rc = qed_sp_fcoe_func_stop(QED_LEADING_HWFN(cdev), p_ptt,
 810                                    QED_SPQ_MODE_EBLOCK, NULL);
 811         cdev->flags &= ~QED_FLAG_STORAGE_STARTED;
 812         qed_ptt_release(QED_LEADING_HWFN(cdev), p_ptt);
 813
 814         return rc;
 815 }
 816
 817 static int qed_fcoe_start(struct qed_dev *cdev, struct qed_fcoe_tid *tasks)
 818 {
 819         int rc;
 820
 821         if (cdev->flags & QED_FLAG_STORAGE_STARTED) {
 822                 DP_NOTICE(cdev, "fcoe already started;\n");
 823                 return 0;
 824         }
 825
 826         rc = qed_sp_fcoe_func_start(QED_LEADING_HWFN(cdev),
 827                                     QED_SPQ_MODE_EBLOCK, NULL);
 828         if (rc) {
 829                 DP_NOTICE(cdev, "Failed to start fcoe\n");
 830                 return rc;
 831         }
 832
 833         cdev->flags |= QED_FLAG_STORAGE_STARTED;
 834         hash_init(cdev->connections);
 835
 836         if (tasks) {
 837                 struct qed_tid_mem *tid_info = kzalloc(sizeof(*tid_info),
 838                                                        GFP_ATOMIC);
 839
 840                 if (!tid_info) {
 841                         DP_NOTICE(cdev,
 842                                   "Failed to allocate tasks information\n");
 843                         qed_fcoe_stop(cdev);
 844                         return -ENOMEM;
 845                 }
 846
 847                 rc = qed_cxt_get_tid_mem_info(QED_LEADING_HWFN(cdev), tid_info);
 848                 if (rc) {
 849                         DP_NOTICE(cdev, "Failed to gather task information\n");
 850                         qed_fcoe_stop(cdev);
 851                         kfree(tid_info);
 852                         return rc;
 853                 }
 854
 855                 /* Fill task information */
 856                 tasks->size = tid_info->tid_size;
 857                 tasks->num_tids_per_block = tid_info->num_tids_per_block;
 858                 memcpy(tasks->blocks, tid_info->blocks,
 859                        MAX_TID_BLOCKS_FCOE * sizeof(u8 *));
 860
 861                 kfree(tid_info);
 862         }
 863
 864         return 0;
 865 }
 866
 867 static int qed_fcoe_acquire_conn(struct qed_dev *cdev,
 868                                  u32 *handle,
 869                                  u32 *fw_cid, void __iomem **p_doorbell)
 870 {
 871         struct qed_hash_fcoe_con *hash_con;
 872         int rc;
 873
 874         /* Allocate a hashed connection */
 875         hash_con = kzalloc(sizeof(*hash_con), GFP_KERNEL);
 876         if (!hash_con) {
 877                 DP_NOTICE(cdev, "Failed to allocate hashed connection\n");
 878                 return -ENOMEM;
 879         }
 880
 881         /* Acquire the connection */
 882         rc = qed_fcoe_acquire_connection(QED_LEADING_HWFN(cdev), NULL,
 883                                          &hash_con->con);
 884         if (rc) {
 885                 DP_NOTICE(cdev, "Failed to acquire Connection\n");
 886                 kfree(hash_con);
 887                 return rc;
 888         }
 889
 890         /* Added the connection to hash table */
 891         *handle = hash_con->con->icid;
 892         *fw_cid = hash_con->con->fw_cid;
 893         hash_add(cdev->connections, &hash_con->node, *handle);
 894
 895         if (p_doorbell)
 896                 *p_doorbell = qed_fcoe_get_db_addr(QED_LEADING_HWFN(cdev),
 897                                                    *handle);
 898
 899         return 0;
 900 }
 901
 902 static int qed_fcoe_release_conn(struct qed_dev *cdev, u32 handle)
 903 {
 904         struct qed_hash_fcoe_con *hash_con;
 905
 906         hash_con = qed_fcoe_get_hash(cdev, handle);
 907         if (!hash_con) {
 908                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 909                           handle);
 910                 return -EINVAL;
 911         }
 912
 913         hlist_del(&hash_con->node);
 914         qed_fcoe_release_connection(QED_LEADING_HWFN(cdev), hash_con->con);
 915         kfree(hash_con);
 916
 917         return 0;
 918 }
 919
 920 static int qed_fcoe_offload_conn(struct qed_dev *cdev,
 921                                  u32 handle,
 922                                  struct qed_fcoe_params_offload *conn_info)
 923 {
 924         struct qed_hash_fcoe_con *hash_con;
 925         struct qed_fcoe_conn *con;
 926
 927         hash_con = qed_fcoe_get_hash(cdev, handle);
 928         if (!hash_con) {
 929                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 930                           handle);
 931                 return -EINVAL;
 932         }
 933
 934         /* Update the connection with information from the params */
 935         con = hash_con->con;
 936
 937         con->sq_pbl_addr = conn_info->sq_pbl_addr;
 938         con->sq_curr_page_addr = conn_info->sq_curr_page_addr;
 939         con->sq_next_page_addr = conn_info->sq_next_page_addr;
 940         con->tx_max_fc_pay_len = conn_info->tx_max_fc_pay_len;
 941         con->e_d_tov_timer_val = conn_info->e_d_tov_timer_val;
 942         con->rec_tov_timer_val = conn_info->rec_tov_timer_val;
 943         con->rx_max_fc_pay_len = conn_info->rx_max_fc_pay_len;
 944         con->vlan_tag = conn_info->vlan_tag;
 945         con->max_conc_seqs_c3 = conn_info->max_conc_seqs_c3;
 946         con->flags = conn_info->flags;
 947         con->def_q_idx = conn_info->def_q_idx;
 948
 949         con->src_mac_addr_hi = (conn_info->src_mac[5] << 8) |
 950             conn_info->src_mac[4];
 951         con->src_mac_addr_mid = (conn_info->src_mac[3] << 8) |
 952             conn_info->src_mac[2];
 953         con->src_mac_addr_lo = (conn_info->src_mac[1] << 8) |
 954             conn_info->src_mac[0];
 955         con->dst_mac_addr_hi = (conn_info->dst_mac[5] << 8) |
 956             conn_info->dst_mac[4];
 957         con->dst_mac_addr_mid = (conn_info->dst_mac[3] << 8) |
 958             conn_info->dst_mac[2];
 959         con->dst_mac_addr_lo = (conn_info->dst_mac[1] << 8) |
 960             conn_info->dst_mac[0];
 961
 962         con->s_id.addr_hi = conn_info->s_id.addr_hi;
 963         con->s_id.addr_mid = conn_info->s_id.addr_mid;
 964         con->s_id.addr_lo = conn_info->s_id.addr_lo;
 965         con->d_id.addr_hi = conn_info->d_id.addr_hi;
 966         con->d_id.addr_mid = conn_info->d_id.addr_mid;
 967         con->d_id.addr_lo = conn_info->d_id.addr_lo;
 968
 969         return qed_sp_fcoe_conn_offload(QED_LEADING_HWFN(cdev), con,
 970                                         QED_SPQ_MODE_EBLOCK, NULL);
 971 }
 972
 973 static int qed_fcoe_destroy_conn(struct qed_dev *cdev,
 974                                  u32 handle, dma_addr_t terminate_params)
 975 {
 976         struct qed_hash_fcoe_con *hash_con;
 977         struct qed_fcoe_conn *con;
 978
 979         hash_con = qed_fcoe_get_hash(cdev, handle);
 980         if (!hash_con) {
 981                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 982                           handle);
 983                 return -EINVAL;
 984         }
 985
 986         /* Update the connection with information from the params */
 987         con = hash_con->con;
 988         con->terminate_params = terminate_params;
 989
 990         return qed_sp_fcoe_conn_destroy(QED_LEADING_HWFN(cdev), con,
 991                                         QED_SPQ_MODE_EBLOCK, NULL);
 992 }
 993
 994 static int qed_fcoe_stats(struct qed_dev *cdev, struct qed_fcoe_stats *stats)
 995 {
 996         return qed_fcoe_get_stats(QED_LEADING_HWFN(cdev), stats);
 997 }
 998
 999 void qed_get_protocol_stats_fcoe(struct qed_dev *cdev,
1000                                  struct qed_mcp_fcoe_stats *stats)
1001 {
1002         struct qed_fcoe_stats proto_stats;
1003
1004         /* Retrieve FW statistics */
1005         memset(&proto_stats, 0, sizeof(proto_stats));
1006         if (qed_fcoe_stats(cdev, &proto_stats)) {
1007                 DP_VERBOSE(cdev, QED_MSG_STORAGE,
1008                            "Failed to collect FCoE statistics\n");
1009                 return;
1010         }
1011
1012         /* Translate FW statistics into struct */
1013         stats->rx_pkts = proto_stats.fcoe_rx_data_pkt_cnt +
1014                          proto_stats.fcoe_rx_xfer_pkt_cnt +
1015                          proto_stats.fcoe_rx_other_pkt_cnt;
1016         stats->tx_pkts = proto_stats.fcoe_tx_data_pkt_cnt +
1017                          proto_stats.fcoe_tx_xfer_pkt_cnt +
1018                          proto_stats.fcoe_tx_other_pkt_cnt;
1019         stats->fcs_err = proto_stats.fcoe_silent_drop_pkt_crc_error_cnt;
1020
1021         /* Request protocol driver to fill-in the rest */
1022         if (cdev->protocol_ops.fcoe && cdev->ops_cookie) {
1023                 struct qed_fcoe_cb_ops *ops = cdev->protocol_ops.fcoe;
1024                 void *cookie = cdev->ops_cookie;
1025
1026                 if (ops->get_login_failures)
1027                         stats->login_failure = ops->get_login_failures(cookie);
1028         }
1029 }
1030
1031 static const struct qed_fcoe_ops qed_fcoe_ops_pass = {
1032         .common = &qed_common_ops_pass,
1033         .ll2 = &qed_ll2_ops_pass,
1034         .fill_dev_info = &qed_fill_fcoe_dev_info,
1035         .start = &qed_fcoe_start,
1036         .stop = &qed_fcoe_stop,
1037         .register_ops = &qed_register_fcoe_ops,
1038         .acquire_conn = &qed_fcoe_acquire_conn,
1039         .release_conn = &qed_fcoe_release_conn,
1040         .offload_conn = &qed_fcoe_offload_conn,
1041         .destroy_conn = &qed_fcoe_destroy_conn,
1042         .get_stats = &qed_fcoe_stats,
1043 };
1044
1045 const struct qed_fcoe_ops *qed_get_fcoe_ops(void)
1046 {
1047         return &qed_fcoe_ops_pass;
1048 }
1049 EXPORT_SYMBOL(qed_get_fcoe_ops);
1050
1051 void qed_put_fcoe_ops(void)
1052 {
1053 }
1054 EXPORT_SYMBOL(qed_put_fcoe_ops);