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

   1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
   2 /* QLogic qed NIC Driver
   3  * Copyright (c) 2015-2017  QLogic Corporation
   4  */
   5
   6 #include <linux/types.h>
   7 #include <asm/byteorder.h>
   8 #include <asm/param.h>
   9 #include <linux/delay.h>
  10 #include <linux/dma-mapping.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/kernel.h>
  13 #include <linux/log2.h>
  14 #include <linux/module.h>
  15 #include <linux/pci.h>
  16 #include <linux/slab.h>
  17 #include <linux/stddef.h>
  18 #include <linux/string.h>
  19 #include <linux/workqueue.h>
  20 #include <linux/errno.h>
  21 #include <linux/list.h>
  22 #include <linux/spinlock.h>
  23 #define __PREVENT_DUMP_MEM_ARR__
  24 #define __PREVENT_PXP_GLOBAL_WIN__
  25 #include "qed.h"
  26 #include "qed_cxt.h"
  27 #include "qed_dev_api.h"
  28 #include "qed_fcoe.h"
  29 #include "qed_hsi.h"
  30 #include "qed_hw.h"
  31 #include "qed_int.h"
  32 #include "qed_ll2.h"
  33 #include "qed_mcp.h"
  34 #include "qed_reg_addr.h"
  35 #include "qed_sp.h"
  36 #include "qed_sriov.h"
  37 #include <linux/qed/qed_fcoe_if.h>
  38
  39 struct qed_fcoe_conn {
  40         struct list_head list_entry;
  41         bool free_on_delete;
  42
  43         u16 conn_id;
  44         u32 icid;
  45         u32 fw_cid;
  46         u8 layer_code;
  47
  48         dma_addr_t sq_pbl_addr;
  49         dma_addr_t sq_curr_page_addr;
  50         dma_addr_t sq_next_page_addr;
  51         dma_addr_t xferq_pbl_addr;
  52         void *xferq_pbl_addr_virt_addr;
  53         dma_addr_t xferq_addr[4];
  54         void *xferq_addr_virt_addr[4];
  55         dma_addr_t confq_pbl_addr;
  56         void *confq_pbl_addr_virt_addr;
  57         dma_addr_t confq_addr[2];
  58         void *confq_addr_virt_addr[2];
  59
  60         dma_addr_t terminate_params;
  61
  62         u16 dst_mac_addr_lo;
  63         u16 dst_mac_addr_mid;
  64         u16 dst_mac_addr_hi;
  65         u16 src_mac_addr_lo;
  66         u16 src_mac_addr_mid;
  67         u16 src_mac_addr_hi;
  68
  69         u16 tx_max_fc_pay_len;
  70         u16 e_d_tov_timer_val;
  71         u16 rec_tov_timer_val;
  72         u16 rx_max_fc_pay_len;
  73         u16 vlan_tag;
  74         u16 physical_q0;
  75
  76         struct fc_addr_nw s_id;
  77         u8 max_conc_seqs_c3;
  78         struct fc_addr_nw d_id;
  79         u8 flags;
  80         u8 def_q_idx;
  81 };
  82
  83 static int
  84 qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
  85                        enum spq_mode comp_mode,
  86                        struct qed_spq_comp_cb *p_comp_addr)
  87 {
  88         struct qed_fcoe_pf_params *fcoe_pf_params = NULL;
  89         struct fcoe_init_ramrod_params *p_ramrod = NULL;
  90         struct fcoe_init_func_ramrod_data *p_data;
  91         struct e4_fcoe_conn_context *p_cxt = NULL;
  92         struct qed_spq_entry *p_ent = NULL;
  93         struct qed_sp_init_data init_data;
  94         struct qed_cxt_info cxt_info;
  95         u32 dummy_cid;
  96         int rc = 0;
  97         u16 tmp;
  98         u8 i;
  99
 100         /* Get SPQ entry */
 101         memset(&init_data, 0, sizeof(init_data));
 102         init_data.cid = qed_spq_get_cid(p_hwfn);
 103         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 104         init_data.comp_mode = comp_mode;
 105         init_data.p_comp_data = p_comp_addr;
 106
 107         rc = qed_sp_init_request(p_hwfn, &p_ent,
 108                                  FCOE_RAMROD_CMD_ID_INIT_FUNC,
 109                                  PROTOCOLID_FCOE, &init_data);
 110         if (rc)
 111                 return rc;
 112
 113         p_ramrod = &p_ent->ramrod.fcoe_init;
 114         p_data = &p_ramrod->init_ramrod_data;
 115         fcoe_pf_params = &p_hwfn->pf_params.fcoe_pf_params;
 116
 117         /* Sanity */
 118         if (fcoe_pf_params->num_cqs > p_hwfn->hw_info.feat_num[QED_FCOE_CQ]) {
 119                 DP_ERR(p_hwfn,
 120                        "Cannot satisfy CQ amount. CQs requested %d, CQs available %d. Aborting function start\n",
 121                        fcoe_pf_params->num_cqs,
 122                        p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
 123                 rc = -EINVAL;
 124                 goto err;
 125         }
 126
 127         p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
 128         tmp = cpu_to_le16(fcoe_pf_params->sq_num_pbl_pages);
 129         p_data->sq_num_pages_in_pbl = tmp;
 130
 131         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
 132         if (rc)
 133                 goto err;
 134
 135         cxt_info.iid = dummy_cid;
 136         rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
 137         if (rc) {
 138                 DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
 139                           dummy_cid);
 140                 goto err;
 141         }
 142         p_cxt = cxt_info.p_cxt;
 143         memset(p_cxt, 0, sizeof(*p_cxt));
 144
 145         SET_FIELD(p_cxt->tstorm_ag_context.flags3,
 146                   E4_TSTORM_FCOE_CONN_AG_CTX_DUMMY_TIMER_CF_EN, 1);
 147
 148         fcoe_pf_params->dummy_icid = (u16)dummy_cid;
 149
 150         tmp = cpu_to_le16(fcoe_pf_params->num_tasks);
 151         p_data->func_params.num_tasks = tmp;
 152         p_data->func_params.log_page_size = fcoe_pf_params->log_page_size;
 153         p_data->func_params.debug_mode = fcoe_pf_params->debug_mode;
 154
 155         DMA_REGPAIR_LE(p_data->q_params.glbl_q_params_addr,
 156                        fcoe_pf_params->glbl_q_params_addr);
 157
 158         tmp = cpu_to_le16(fcoe_pf_params->cq_num_entries);
 159         p_data->q_params.cq_num_entries = tmp;
 160
 161         tmp = cpu_to_le16(fcoe_pf_params->cmdq_num_entries);
 162         p_data->q_params.cmdq_num_entries = tmp;
 163
 164         tmp = fcoe_pf_params->num_cqs;
 165         p_data->q_params.num_queues = (u8)tmp;
 166
 167         tmp = (u16)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS];
 168         p_data->q_params.queue_relative_offset = (u8)tmp;
 169
 170         for (i = 0; i < fcoe_pf_params->num_cqs; i++) {
 171                 u16 igu_sb_id;
 172
 173                 igu_sb_id = qed_get_igu_sb_id(p_hwfn, i);
 174                 tmp = cpu_to_le16(igu_sb_id);
 175                 p_data->q_params.cq_cmdq_sb_num_arr[i] = tmp;
 176         }
 177
 178         p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi;
 179         p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi;
 180
 181         p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
 182
 183         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ],
 184                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
 185         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_RQ] =
 186             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_RQ];
 187         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_RQ];
 188         p_data->q_params.bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
 189         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_RQ];
 190         p_data->q_params.bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
 191
 192         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_IMM_DATA],
 193                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]);
 194         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA] =
 195             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA];
 196         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA];
 197         p_data->q_params.bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
 198         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_IMM_DATA];
 199         p_data->q_params.bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
 200         tmp = fcoe_pf_params->rq_buffer_size;
 201         p_data->q_params.rq_buffer_size = cpu_to_le16(tmp);
 202
 203         if (fcoe_pf_params->is_target) {
 204                 SET_FIELD(p_data->q_params.q_validity,
 205                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
 206                 if (p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA])
 207                         SET_FIELD(p_data->q_params.q_validity,
 208                                   SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1);
 209                 SET_FIELD(p_data->q_params.q_validity,
 210                           SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1);
 211         } else {
 212                 SET_FIELD(p_data->q_params.q_validity,
 213                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
 214         }
 215
 216         rc = qed_spq_post(p_hwfn, p_ent, NULL);
 217
 218         return rc;
 219
 220 err:
 221         qed_sp_destroy_request(p_hwfn, p_ent);
 222         return rc;
 223 }
 224
 225 static int
 226 qed_sp_fcoe_conn_offload(struct qed_hwfn *p_hwfn,
 227                          struct qed_fcoe_conn *p_conn,
 228                          enum spq_mode comp_mode,
 229                          struct qed_spq_comp_cb *p_comp_addr)
 230 {
 231         struct fcoe_conn_offload_ramrod_params *p_ramrod = NULL;
 232         struct fcoe_conn_offload_ramrod_data *p_data;
 233         struct qed_spq_entry *p_ent = NULL;
 234         struct qed_sp_init_data init_data;
 235         u16 physical_q0, tmp;
 236         int rc;
 237
 238         /* Get SPQ entry */
 239         memset(&init_data, 0, sizeof(init_data));
 240         init_data.cid = p_conn->icid;
 241         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 242         init_data.comp_mode = comp_mode;
 243         init_data.p_comp_data = p_comp_addr;
 244
 245         rc = qed_sp_init_request(p_hwfn, &p_ent,
 246                                  FCOE_RAMROD_CMD_ID_OFFLOAD_CONN,
 247                                  PROTOCOLID_FCOE, &init_data);
 248         if (rc)
 249                 return rc;
 250
 251         p_ramrod = &p_ent->ramrod.fcoe_conn_ofld;
 252         p_data = &p_ramrod->offload_ramrod_data;
 253
 254         /* Transmission PQ is the first of the PF */
 255         physical_q0 = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
 256         p_conn->physical_q0 = cpu_to_le16(physical_q0);
 257         p_data->physical_q0 = cpu_to_le16(physical_q0);
 258
 259         p_data->conn_id = cpu_to_le16(p_conn->conn_id);
 260         DMA_REGPAIR_LE(p_data->sq_pbl_addr, p_conn->sq_pbl_addr);
 261         DMA_REGPAIR_LE(p_data->sq_curr_page_addr, p_conn->sq_curr_page_addr);
 262         DMA_REGPAIR_LE(p_data->sq_next_page_addr, p_conn->sq_next_page_addr);
 263         DMA_REGPAIR_LE(p_data->xferq_pbl_addr, p_conn->xferq_pbl_addr);
 264         DMA_REGPAIR_LE(p_data->xferq_curr_page_addr, p_conn->xferq_addr[0]);
 265         DMA_REGPAIR_LE(p_data->xferq_next_page_addr, p_conn->xferq_addr[1]);
 266
 267         DMA_REGPAIR_LE(p_data->respq_pbl_addr, p_conn->confq_pbl_addr);
 268         DMA_REGPAIR_LE(p_data->respq_curr_page_addr, p_conn->confq_addr[0]);
 269         DMA_REGPAIR_LE(p_data->respq_next_page_addr, p_conn->confq_addr[1]);
 270
 271         p_data->dst_mac_addr_lo = cpu_to_le16(p_conn->dst_mac_addr_lo);
 272         p_data->dst_mac_addr_mid = cpu_to_le16(p_conn->dst_mac_addr_mid);
 273         p_data->dst_mac_addr_hi = cpu_to_le16(p_conn->dst_mac_addr_hi);
 274         p_data->src_mac_addr_lo = cpu_to_le16(p_conn->src_mac_addr_lo);
 275         p_data->src_mac_addr_mid = cpu_to_le16(p_conn->src_mac_addr_mid);
 276         p_data->src_mac_addr_hi = cpu_to_le16(p_conn->src_mac_addr_hi);
 277
 278         tmp = cpu_to_le16(p_conn->tx_max_fc_pay_len);
 279         p_data->tx_max_fc_pay_len = tmp;
 280         tmp = cpu_to_le16(p_conn->e_d_tov_timer_val);
 281         p_data->e_d_tov_timer_val = tmp;
 282         tmp = cpu_to_le16(p_conn->rec_tov_timer_val);
 283         p_data->rec_rr_tov_timer_val = tmp;
 284         tmp = cpu_to_le16(p_conn->rx_max_fc_pay_len);
 285         p_data->rx_max_fc_pay_len = tmp;
 286
 287         p_data->vlan_tag = cpu_to_le16(p_conn->vlan_tag);
 288         p_data->s_id.addr_hi = p_conn->s_id.addr_hi;
 289         p_data->s_id.addr_mid = p_conn->s_id.addr_mid;
 290         p_data->s_id.addr_lo = p_conn->s_id.addr_lo;
 291         p_data->max_conc_seqs_c3 = p_conn->max_conc_seqs_c3;
 292         p_data->d_id.addr_hi = p_conn->d_id.addr_hi;
 293         p_data->d_id.addr_mid = p_conn->d_id.addr_mid;
 294         p_data->d_id.addr_lo = p_conn->d_id.addr_lo;
 295         p_data->flags = p_conn->flags;
 296         if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
 297                 SET_FIELD(p_data->flags,
 298                           FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN, 1);
 299         p_data->def_q_idx = p_conn->def_q_idx;
 300
 301         return qed_spq_post(p_hwfn, p_ent, NULL);
 302 }
 303
 304 static int
 305 qed_sp_fcoe_conn_destroy(struct qed_hwfn *p_hwfn,
 306                          struct qed_fcoe_conn *p_conn,
 307                          enum spq_mode comp_mode,
 308                          struct qed_spq_comp_cb *p_comp_addr)
 309 {
 310         struct fcoe_conn_terminate_ramrod_params *p_ramrod = NULL;
 311         struct qed_spq_entry *p_ent = NULL;
 312         struct qed_sp_init_data init_data;
 313         int rc = 0;
 314
 315         /* Get SPQ entry */
 316         memset(&init_data, 0, sizeof(init_data));
 317         init_data.cid = p_conn->icid;
 318         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 319         init_data.comp_mode = comp_mode;
 320         init_data.p_comp_data = p_comp_addr;
 321
 322         rc = qed_sp_init_request(p_hwfn, &p_ent,
 323                                  FCOE_RAMROD_CMD_ID_TERMINATE_CONN,
 324                                  PROTOCOLID_FCOE, &init_data);
 325         if (rc)
 326                 return rc;
 327
 328         p_ramrod = &p_ent->ramrod.fcoe_conn_terminate;
 329         DMA_REGPAIR_LE(p_ramrod->terminate_ramrod_data.terminate_params_addr,
 330                        p_conn->terminate_params);
 331
 332         return qed_spq_post(p_hwfn, p_ent, NULL);
 333 }
 334
 335 static int
 336 qed_sp_fcoe_func_stop(struct qed_hwfn *p_hwfn,
 337                       struct qed_ptt *p_ptt,
 338                       enum spq_mode comp_mode,
 339                       struct qed_spq_comp_cb *p_comp_addr)
 340 {
 341         struct qed_spq_entry *p_ent = NULL;
 342         struct qed_sp_init_data init_data;
 343         u32 active_segs = 0;
 344         int rc = 0;
 345
 346         /* Get SPQ entry */
 347         memset(&init_data, 0, sizeof(init_data));
 348         init_data.cid = p_hwfn->pf_params.fcoe_pf_params.dummy_icid;
 349         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 350         init_data.comp_mode = comp_mode;
 351         init_data.p_comp_data = p_comp_addr;
 352
 353         rc = qed_sp_init_request(p_hwfn, &p_ent,
 354                                  FCOE_RAMROD_CMD_ID_DESTROY_FUNC,
 355                                  PROTOCOLID_FCOE, &init_data);
 356         if (rc)
 357                 return rc;
 358
 359         active_segs = qed_rd(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK);
 360         active_segs &= ~BIT(QED_CXT_FCOE_TID_SEG);
 361         qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, active_segs);
 362
 363         return qed_spq_post(p_hwfn, p_ent, NULL);
 364 }
 365
 366 static int
 367 qed_fcoe_allocate_connection(struct qed_hwfn *p_hwfn,
 368                              struct qed_fcoe_conn **p_out_conn)
 369 {
 370         struct qed_fcoe_conn *p_conn = NULL;
 371         void *p_addr;
 372         u32 i;
 373
 374         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 375         if (!list_empty(&p_hwfn->p_fcoe_info->free_list))
 376                 p_conn =
 377                     list_first_entry(&p_hwfn->p_fcoe_info->free_list,
 378                                      struct qed_fcoe_conn, list_entry);
 379         if (p_conn) {
 380                 list_del(&p_conn->list_entry);
 381                 spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 382                 *p_out_conn = p_conn;
 383                 return 0;
 384         }
 385         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 386
 387         p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL);
 388         if (!p_conn)
 389                 return -ENOMEM;
 390
 391         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 392                                     QED_CHAIN_PAGE_SIZE,
 393                                     &p_conn->xferq_pbl_addr, GFP_KERNEL);
 394         if (!p_addr)
 395                 goto nomem_pbl_xferq;
 396         p_conn->xferq_pbl_addr_virt_addr = p_addr;
 397
 398         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
 399                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 400                                             QED_CHAIN_PAGE_SIZE,
 401                                             &p_conn->xferq_addr[i], GFP_KERNEL);
 402                 if (!p_addr)
 403                         goto nomem_xferq;
 404                 p_conn->xferq_addr_virt_addr[i] = p_addr;
 405
 406                 p_addr = p_conn->xferq_pbl_addr_virt_addr;
 407                 ((dma_addr_t *)p_addr)[i] = p_conn->xferq_addr[i];
 408         }
 409
 410         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 411                                     QED_CHAIN_PAGE_SIZE,
 412                                     &p_conn->confq_pbl_addr, GFP_KERNEL);
 413         if (!p_addr)
 414                 goto nomem_xferq;
 415         p_conn->confq_pbl_addr_virt_addr = p_addr;
 416
 417         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
 418                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 419                                             QED_CHAIN_PAGE_SIZE,
 420                                             &p_conn->confq_addr[i], GFP_KERNEL);
 421                 if (!p_addr)
 422                         goto nomem_confq;
 423                 p_conn->confq_addr_virt_addr[i] = p_addr;
 424
 425                 p_addr = p_conn->confq_pbl_addr_virt_addr;
 426                 ((dma_addr_t *)p_addr)[i] = p_conn->confq_addr[i];
 427         }
 428
 429         p_conn->free_on_delete = true;
 430         *p_out_conn = p_conn;
 431         return 0;
 432
 433 nomem_confq:
 434         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 435                           QED_CHAIN_PAGE_SIZE,
 436                           p_conn->confq_pbl_addr_virt_addr,
 437                           p_conn->confq_pbl_addr);
 438         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++)
 439                 if (p_conn->confq_addr_virt_addr[i])
 440                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 441                                           QED_CHAIN_PAGE_SIZE,
 442                                           p_conn->confq_addr_virt_addr[i],
 443                                           p_conn->confq_addr[i]);
 444 nomem_xferq:
 445         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 446                           QED_CHAIN_PAGE_SIZE,
 447                           p_conn->xferq_pbl_addr_virt_addr,
 448                           p_conn->xferq_pbl_addr);
 449         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++)
 450                 if (p_conn->xferq_addr_virt_addr[i])
 451                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 452                                           QED_CHAIN_PAGE_SIZE,
 453                                           p_conn->xferq_addr_virt_addr[i],
 454                                           p_conn->xferq_addr[i]);
 455 nomem_pbl_xferq:
 456         kfree(p_conn);
 457         return -ENOMEM;
 458 }
 459
 460 static void qed_fcoe_free_connection(struct qed_hwfn *p_hwfn,
 461                                      struct qed_fcoe_conn *p_conn)
 462 {
 463         u32 i;
 464
 465         if (!p_conn)
 466                 return;
 467
 468         if (p_conn->confq_pbl_addr_virt_addr)
 469                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 470                                   QED_CHAIN_PAGE_SIZE,
 471                                   p_conn->confq_pbl_addr_virt_addr,
 472                                   p_conn->confq_pbl_addr);
 473
 474         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
 475                 if (!p_conn->confq_addr_virt_addr[i])
 476                         continue;
 477                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 478                                   QED_CHAIN_PAGE_SIZE,
 479                                   p_conn->confq_addr_virt_addr[i],
 480                                   p_conn->confq_addr[i]);
 481         }
 482
 483         if (p_conn->xferq_pbl_addr_virt_addr)
 484                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 485                                   QED_CHAIN_PAGE_SIZE,
 486                                   p_conn->xferq_pbl_addr_virt_addr,
 487                                   p_conn->xferq_pbl_addr);
 488
 489         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
 490                 if (!p_conn->xferq_addr_virt_addr[i])
 491                         continue;
 492                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 493                                   QED_CHAIN_PAGE_SIZE,
 494                                   p_conn->xferq_addr_virt_addr[i],
 495                                   p_conn->xferq_addr[i]);
 496         }
 497         kfree(p_conn);
 498 }
 499
 500 static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
 501 {
 502         return (u8 __iomem *)p_hwfn->doorbells +
 503                qed_db_addr(cid, DQ_DEMS_LEGACY);
 504 }
 505
 506 static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
 507                                                    u8 bdq_id)
 508 {
 509         if (RESC_NUM(p_hwfn, QED_BDQ)) {
 510                 return (u8 __iomem *)p_hwfn->regview +
 511                        GTT_BAR0_MAP_REG_MSDM_RAM +
 512                        MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
 513                                                                   QED_BDQ),
 514                                                        bdq_id);
 515         } else {
 516                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
 517                 return NULL;
 518         }
 519 }
 520
 521 static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
 522                                                      u8 bdq_id)
 523 {
 524         if (RESC_NUM(p_hwfn, QED_BDQ)) {
 525                 return (u8 __iomem *)p_hwfn->regview +
 526                        GTT_BAR0_MAP_REG_TSDM_RAM +
 527                        TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
 528                                                                   QED_BDQ),
 529                                                        bdq_id);
 530         } else {
 531                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
 532                 return NULL;
 533         }
 534 }
 535
 536 int qed_fcoe_alloc(struct qed_hwfn *p_hwfn)
 537 {
 538         struct qed_fcoe_info *p_fcoe_info;
 539
 540         /* Allocate LL2's set struct */
 541         p_fcoe_info = kzalloc(sizeof(*p_fcoe_info), GFP_KERNEL);
 542         if (!p_fcoe_info) {
 543                 DP_NOTICE(p_hwfn, "Failed to allocate qed_fcoe_info'\n");
 544                 return -ENOMEM;
 545         }
 546         INIT_LIST_HEAD(&p_fcoe_info->free_list);
 547
 548         p_hwfn->p_fcoe_info = p_fcoe_info;
 549         return 0;
 550 }
 551
 552 void qed_fcoe_setup(struct qed_hwfn *p_hwfn)
 553 {
 554         struct e4_fcoe_task_context *p_task_ctx = NULL;
 555         int rc;
 556         u32 i;
 557
 558         spin_lock_init(&p_hwfn->p_fcoe_info->lock);
 559         for (i = 0; i < p_hwfn->pf_params.fcoe_pf_params.num_tasks; i++) {
 560                 rc = qed_cxt_get_task_ctx(p_hwfn, i,
 561                                           QED_CTX_WORKING_MEM,
 562                                           (void **)&p_task_ctx);
 563                 if (rc)
 564                         continue;
 565
 566                 memset(p_task_ctx, 0, sizeof(struct e4_fcoe_task_context));
 567                 SET_FIELD(p_task_ctx->timer_context.logical_client_0,
 568                           TIMERS_CONTEXT_VALIDLC0, 1);
 569                 SET_FIELD(p_task_ctx->timer_context.logical_client_1,
 570                           TIMERS_CONTEXT_VALIDLC1, 1);
 571                 SET_FIELD(p_task_ctx->tstorm_ag_context.flags0,
 572                           E4_TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, 1);
 573         }
 574 }
 575
 576 void qed_fcoe_free(struct qed_hwfn *p_hwfn)
 577 {
 578         struct qed_fcoe_conn *p_conn = NULL;
 579
 580         if (!p_hwfn->p_fcoe_info)
 581                 return;
 582
 583         while (!list_empty(&p_hwfn->p_fcoe_info->free_list)) {
 584                 p_conn = list_first_entry(&p_hwfn->p_fcoe_info->free_list,
 585                                           struct qed_fcoe_conn, list_entry);
 586                 if (!p_conn)
 587                         break;
 588                 list_del(&p_conn->list_entry);
 589                 qed_fcoe_free_connection(p_hwfn, p_conn);
 590         }
 591
 592         kfree(p_hwfn->p_fcoe_info);
 593         p_hwfn->p_fcoe_info = NULL;
 594 }
 595
 596 static int
 597 qed_fcoe_acquire_connection(struct qed_hwfn *p_hwfn,
 598                             struct qed_fcoe_conn *p_in_conn,
 599                             struct qed_fcoe_conn **p_out_conn)
 600 {
 601         struct qed_fcoe_conn *p_conn = NULL;
 602         int rc = 0;
 603         u32 icid;
 604
 605         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 606         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &icid);
 607         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 608         if (rc)
 609                 return rc;
 610
 611         /* Use input connection [if provided] or allocate a new one */
 612         if (p_in_conn) {
 613                 p_conn = p_in_conn;
 614         } else {
 615                 rc = qed_fcoe_allocate_connection(p_hwfn, &p_conn);
 616                 if (rc) {
 617                         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 618                         qed_cxt_release_cid(p_hwfn, icid);
 619                         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 620                         return rc;
 621                 }
 622         }
 623
 624         p_conn->icid = icid;
 625         p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid;
 626         *p_out_conn = p_conn;
 627
 628         return rc;
 629 }
 630
 631 static void qed_fcoe_release_connection(struct qed_hwfn *p_hwfn,
 632                                         struct qed_fcoe_conn *p_conn)
 633 {
 634         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
 635         list_add_tail(&p_conn->list_entry, &p_hwfn->p_fcoe_info->free_list);
 636         qed_cxt_release_cid(p_hwfn, p_conn->icid);
 637         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
 638 }
 639
 640 static void _qed_fcoe_get_tstats(struct qed_hwfn *p_hwfn,
 641                                  struct qed_ptt *p_ptt,
 642                                  struct qed_fcoe_stats *p_stats)
 643 {
 644         struct fcoe_rx_stat tstats;
 645         u32 tstats_addr;
 646
 647         memset(&tstats, 0, sizeof(tstats));
 648         tstats_addr = BAR0_MAP_REG_TSDM_RAM +
 649             TSTORM_FCOE_RX_STATS_OFFSET(p_hwfn->rel_pf_id);
 650         qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats));
 651
 652         p_stats->fcoe_rx_byte_cnt = HILO_64_REGPAIR(tstats.fcoe_rx_byte_cnt);
 653         p_stats->fcoe_rx_data_pkt_cnt =
 654             HILO_64_REGPAIR(tstats.fcoe_rx_data_pkt_cnt);
 655         p_stats->fcoe_rx_xfer_pkt_cnt =
 656             HILO_64_REGPAIR(tstats.fcoe_rx_xfer_pkt_cnt);
 657         p_stats->fcoe_rx_other_pkt_cnt =
 658             HILO_64_REGPAIR(tstats.fcoe_rx_other_pkt_cnt);
 659
 660         p_stats->fcoe_silent_drop_pkt_cmdq_full_cnt =
 661             le32_to_cpu(tstats.fcoe_silent_drop_pkt_cmdq_full_cnt);
 662         p_stats->fcoe_silent_drop_pkt_rq_full_cnt =
 663             le32_to_cpu(tstats.fcoe_silent_drop_pkt_rq_full_cnt);
 664         p_stats->fcoe_silent_drop_pkt_crc_error_cnt =
 665             le32_to_cpu(tstats.fcoe_silent_drop_pkt_crc_error_cnt);
 666         p_stats->fcoe_silent_drop_pkt_task_invalid_cnt =
 667             le32_to_cpu(tstats.fcoe_silent_drop_pkt_task_invalid_cnt);
 668         p_stats->fcoe_silent_drop_total_pkt_cnt =
 669             le32_to_cpu(tstats.fcoe_silent_drop_total_pkt_cnt);
 670 }
 671
 672 static void _qed_fcoe_get_pstats(struct qed_hwfn *p_hwfn,
 673                                  struct qed_ptt *p_ptt,
 674                                  struct qed_fcoe_stats *p_stats)
 675 {
 676         struct fcoe_tx_stat pstats;
 677         u32 pstats_addr;
 678
 679         memset(&pstats, 0, sizeof(pstats));
 680         pstats_addr = BAR0_MAP_REG_PSDM_RAM +
 681             PSTORM_FCOE_TX_STATS_OFFSET(p_hwfn->rel_pf_id);
 682         qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats));
 683
 684         p_stats->fcoe_tx_byte_cnt = HILO_64_REGPAIR(pstats.fcoe_tx_byte_cnt);
 685         p_stats->fcoe_tx_data_pkt_cnt =
 686             HILO_64_REGPAIR(pstats.fcoe_tx_data_pkt_cnt);
 687         p_stats->fcoe_tx_xfer_pkt_cnt =
 688             HILO_64_REGPAIR(pstats.fcoe_tx_xfer_pkt_cnt);
 689         p_stats->fcoe_tx_other_pkt_cnt =
 690             HILO_64_REGPAIR(pstats.fcoe_tx_other_pkt_cnt);
 691 }
 692
 693 static int qed_fcoe_get_stats(struct qed_hwfn *p_hwfn,
 694                               struct qed_fcoe_stats *p_stats)
 695 {
 696         struct qed_ptt *p_ptt;
 697
 698         memset(p_stats, 0, sizeof(*p_stats));
 699
 700         p_ptt = qed_ptt_acquire(p_hwfn);
 701
 702         if (!p_ptt) {
 703                 DP_ERR(p_hwfn, "Failed to acquire ptt\n");
 704                 return -EINVAL;
 705         }
 706
 707         _qed_fcoe_get_tstats(p_hwfn, p_ptt, p_stats);
 708         _qed_fcoe_get_pstats(p_hwfn, p_ptt, p_stats);
 709
 710         qed_ptt_release(p_hwfn, p_ptt);
 711
 712         return 0;
 713 }
 714
 715 struct qed_hash_fcoe_con {
 716         struct hlist_node node;
 717         struct qed_fcoe_conn *con;
 718 };
 719
 720 static int qed_fill_fcoe_dev_info(struct qed_dev *cdev,
 721                                   struct qed_dev_fcoe_info *info)
 722 {
 723         struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev);
 724         int rc;
 725
 726         memset(info, 0, sizeof(*info));
 727         rc = qed_fill_dev_info(cdev, &info->common);
 728
 729         info->primary_dbq_rq_addr =
 730             qed_fcoe_get_primary_bdq_prod(hwfn, BDQ_ID_RQ);
 731         info->secondary_bdq_rq_addr =
 732             qed_fcoe_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ);
 733
 734         info->wwpn = hwfn->mcp_info->func_info.wwn_port;
 735         info->wwnn = hwfn->mcp_info->func_info.wwn_node;
 736
 737         info->num_cqs = FEAT_NUM(hwfn, QED_FCOE_CQ);
 738
 739         return rc;
 740 }
 741
 742 static void qed_register_fcoe_ops(struct qed_dev *cdev,
 743                                   struct qed_fcoe_cb_ops *ops, void *cookie)
 744 {
 745         cdev->protocol_ops.fcoe = ops;
 746         cdev->ops_cookie = cookie;
 747 }
 748
 749 static struct qed_hash_fcoe_con *qed_fcoe_get_hash(struct qed_dev *cdev,
 750                                                    u32 handle)
 751 {
 752         struct qed_hash_fcoe_con *hash_con = NULL;
 753
 754         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED))
 755                 return NULL;
 756
 757         hash_for_each_possible(cdev->connections, hash_con, node, handle) {
 758                 if (hash_con->con->icid == handle)
 759                         break;
 760         }
 761
 762         if (!hash_con || (hash_con->con->icid != handle))
 763                 return NULL;
 764
 765         return hash_con;
 766 }
 767
 768 static int qed_fcoe_stop(struct qed_dev *cdev)
 769 {
 770         struct qed_ptt *p_ptt;
 771         int rc;
 772
 773         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) {
 774                 DP_NOTICE(cdev, "fcoe already stopped\n");
 775                 return 0;
 776         }
 777
 778         if (!hash_empty(cdev->connections)) {
 779                 DP_NOTICE(cdev,
 780                           "Can't stop fcoe - not all connections were returned\n");
 781                 return -EINVAL;
 782         }
 783
 784         p_ptt = qed_ptt_acquire(QED_AFFIN_HWFN(cdev));
 785         if (!p_ptt)
 786                 return -EAGAIN;
 787
 788         /* Stop the fcoe */
 789         rc = qed_sp_fcoe_func_stop(QED_AFFIN_HWFN(cdev), p_ptt,
 790                                    QED_SPQ_MODE_EBLOCK, NULL);
 791         cdev->flags &= ~QED_FLAG_STORAGE_STARTED;
 792         qed_ptt_release(QED_AFFIN_HWFN(cdev), p_ptt);
 793
 794         return rc;
 795 }
 796
 797 static int qed_fcoe_start(struct qed_dev *cdev, struct qed_fcoe_tid *tasks)
 798 {
 799         int rc;
 800
 801         if (cdev->flags & QED_FLAG_STORAGE_STARTED) {
 802                 DP_NOTICE(cdev, "fcoe already started;\n");
 803                 return 0;
 804         }
 805
 806         rc = qed_sp_fcoe_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK,
 807                                     NULL);
 808         if (rc) {
 809                 DP_NOTICE(cdev, "Failed to start fcoe\n");
 810                 return rc;
 811         }
 812
 813         cdev->flags |= QED_FLAG_STORAGE_STARTED;
 814         hash_init(cdev->connections);
 815
 816         if (tasks) {
 817                 struct qed_tid_mem *tid_info = kzalloc(sizeof(*tid_info),
 818                                                        GFP_ATOMIC);
 819
 820                 if (!tid_info) {
 821                         DP_NOTICE(cdev,
 822                                   "Failed to allocate tasks information\n");
 823                         qed_fcoe_stop(cdev);
 824                         return -ENOMEM;
 825                 }
 826
 827                 rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info);
 828                 if (rc) {
 829                         DP_NOTICE(cdev, "Failed to gather task information\n");
 830                         qed_fcoe_stop(cdev);
 831                         kfree(tid_info);
 832                         return rc;
 833                 }
 834
 835                 /* Fill task information */
 836                 tasks->size = tid_info->tid_size;
 837                 tasks->num_tids_per_block = tid_info->num_tids_per_block;
 838                 memcpy(tasks->blocks, tid_info->blocks,
 839                        MAX_TID_BLOCKS_FCOE * sizeof(u8 *));
 840
 841                 kfree(tid_info);
 842         }
 843
 844         return 0;
 845 }
 846
 847 static int qed_fcoe_acquire_conn(struct qed_dev *cdev,
 848                                  u32 *handle,
 849                                  u32 *fw_cid, void __iomem **p_doorbell)
 850 {
 851         struct qed_hash_fcoe_con *hash_con;
 852         int rc;
 853
 854         /* Allocate a hashed connection */
 855         hash_con = kzalloc(sizeof(*hash_con), GFP_KERNEL);
 856         if (!hash_con) {
 857                 DP_NOTICE(cdev, "Failed to allocate hashed connection\n");
 858                 return -ENOMEM;
 859         }
 860
 861         /* Acquire the connection */
 862         rc = qed_fcoe_acquire_connection(QED_AFFIN_HWFN(cdev), NULL,
 863                                          &hash_con->con);
 864         if (rc) {
 865                 DP_NOTICE(cdev, "Failed to acquire Connection\n");
 866                 kfree(hash_con);
 867                 return rc;
 868         }
 869
 870         /* Added the connection to hash table */
 871         *handle = hash_con->con->icid;
 872         *fw_cid = hash_con->con->fw_cid;
 873         hash_add(cdev->connections, &hash_con->node, *handle);
 874
 875         if (p_doorbell)
 876                 *p_doorbell = qed_fcoe_get_db_addr(QED_AFFIN_HWFN(cdev),
 877                                                    *handle);
 878
 879         return 0;
 880 }
 881
 882 static int qed_fcoe_release_conn(struct qed_dev *cdev, u32 handle)
 883 {
 884         struct qed_hash_fcoe_con *hash_con;
 885
 886         hash_con = qed_fcoe_get_hash(cdev, handle);
 887         if (!hash_con) {
 888                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 889                           handle);
 890                 return -EINVAL;
 891         }
 892
 893         hlist_del(&hash_con->node);
 894         qed_fcoe_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con);
 895         kfree(hash_con);
 896
 897         return 0;
 898 }
 899
 900 static int qed_fcoe_offload_conn(struct qed_dev *cdev,
 901                                  u32 handle,
 902                                  struct qed_fcoe_params_offload *conn_info)
 903 {
 904         struct qed_hash_fcoe_con *hash_con;
 905         struct qed_fcoe_conn *con;
 906
 907         hash_con = qed_fcoe_get_hash(cdev, handle);
 908         if (!hash_con) {
 909                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 910                           handle);
 911                 return -EINVAL;
 912         }
 913
 914         /* Update the connection with information from the params */
 915         con = hash_con->con;
 916
 917         con->sq_pbl_addr = conn_info->sq_pbl_addr;
 918         con->sq_curr_page_addr = conn_info->sq_curr_page_addr;
 919         con->sq_next_page_addr = conn_info->sq_next_page_addr;
 920         con->tx_max_fc_pay_len = conn_info->tx_max_fc_pay_len;
 921         con->e_d_tov_timer_val = conn_info->e_d_tov_timer_val;
 922         con->rec_tov_timer_val = conn_info->rec_tov_timer_val;
 923         con->rx_max_fc_pay_len = conn_info->rx_max_fc_pay_len;
 924         con->vlan_tag = conn_info->vlan_tag;
 925         con->max_conc_seqs_c3 = conn_info->max_conc_seqs_c3;
 926         con->flags = conn_info->flags;
 927         con->def_q_idx = conn_info->def_q_idx;
 928
 929         con->src_mac_addr_hi = (conn_info->src_mac[5] << 8) |
 930             conn_info->src_mac[4];
 931         con->src_mac_addr_mid = (conn_info->src_mac[3] << 8) |
 932             conn_info->src_mac[2];
 933         con->src_mac_addr_lo = (conn_info->src_mac[1] << 8) |
 934             conn_info->src_mac[0];
 935         con->dst_mac_addr_hi = (conn_info->dst_mac[5] << 8) |
 936             conn_info->dst_mac[4];
 937         con->dst_mac_addr_mid = (conn_info->dst_mac[3] << 8) |
 938             conn_info->dst_mac[2];
 939         con->dst_mac_addr_lo = (conn_info->dst_mac[1] << 8) |
 940             conn_info->dst_mac[0];
 941
 942         con->s_id.addr_hi = conn_info->s_id.addr_hi;
 943         con->s_id.addr_mid = conn_info->s_id.addr_mid;
 944         con->s_id.addr_lo = conn_info->s_id.addr_lo;
 945         con->d_id.addr_hi = conn_info->d_id.addr_hi;
 946         con->d_id.addr_mid = conn_info->d_id.addr_mid;
 947         con->d_id.addr_lo = conn_info->d_id.addr_lo;
 948
 949         return qed_sp_fcoe_conn_offload(QED_AFFIN_HWFN(cdev), con,
 950                                         QED_SPQ_MODE_EBLOCK, NULL);
 951 }
 952
 953 static int qed_fcoe_destroy_conn(struct qed_dev *cdev,
 954                                  u32 handle, dma_addr_t terminate_params)
 955 {
 956         struct qed_hash_fcoe_con *hash_con;
 957         struct qed_fcoe_conn *con;
 958
 959         hash_con = qed_fcoe_get_hash(cdev, handle);
 960         if (!hash_con) {
 961                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
 962                           handle);
 963                 return -EINVAL;
 964         }
 965
 966         /* Update the connection with information from the params */
 967         con = hash_con->con;
 968         con->terminate_params = terminate_params;
 969
 970         return qed_sp_fcoe_conn_destroy(QED_AFFIN_HWFN(cdev), con,
 971                                         QED_SPQ_MODE_EBLOCK, NULL);
 972 }
 973
 974 static int qed_fcoe_stats(struct qed_dev *cdev, struct qed_fcoe_stats *stats)
 975 {
 976         return qed_fcoe_get_stats(QED_AFFIN_HWFN(cdev), stats);
 977 }
 978
 979 void qed_get_protocol_stats_fcoe(struct qed_dev *cdev,
 980                                  struct qed_mcp_fcoe_stats *stats)
 981 {
 982         struct qed_fcoe_stats proto_stats;
 983
 984         /* Retrieve FW statistics */
 985         memset(&proto_stats, 0, sizeof(proto_stats));
 986         if (qed_fcoe_stats(cdev, &proto_stats)) {
 987                 DP_VERBOSE(cdev, QED_MSG_STORAGE,
 988                            "Failed to collect FCoE statistics\n");
 989                 return;
 990         }
 991
 992         /* Translate FW statistics into struct */
 993         stats->rx_pkts = proto_stats.fcoe_rx_data_pkt_cnt +
 994                          proto_stats.fcoe_rx_xfer_pkt_cnt +
 995                          proto_stats.fcoe_rx_other_pkt_cnt;
 996         stats->tx_pkts = proto_stats.fcoe_tx_data_pkt_cnt +
 997                          proto_stats.fcoe_tx_xfer_pkt_cnt +
 998                          proto_stats.fcoe_tx_other_pkt_cnt;
 999         stats->fcs_err = proto_stats.fcoe_silent_drop_pkt_crc_error_cnt;
1000
1001         /* Request protocol driver to fill-in the rest */
1002         if (cdev->protocol_ops.fcoe && cdev->ops_cookie) {
1003                 struct qed_fcoe_cb_ops *ops = cdev->protocol_ops.fcoe;
1004                 void *cookie = cdev->ops_cookie;
1005
1006                 if (ops->get_login_failures)
1007                         stats->login_failure = ops->get_login_failures(cookie);
1008         }
1009 }
1010
1011 static const struct qed_fcoe_ops qed_fcoe_ops_pass = {
1012         .common = &qed_common_ops_pass,
1013         .ll2 = &qed_ll2_ops_pass,
1014         .fill_dev_info = &qed_fill_fcoe_dev_info,
1015         .start = &qed_fcoe_start,
1016         .stop = &qed_fcoe_stop,
1017         .register_ops = &qed_register_fcoe_ops,
1018         .acquire_conn = &qed_fcoe_acquire_conn,
1019         .release_conn = &qed_fcoe_release_conn,
1020         .offload_conn = &qed_fcoe_offload_conn,
1021         .destroy_conn = &qed_fcoe_destroy_conn,
1022         .get_stats = &qed_fcoe_stats,
1023 };
1024
1025 const struct qed_fcoe_ops *qed_get_fcoe_ops(void)
1026 {
1027         return &qed_fcoe_ops_pass;
1028 }
1029 EXPORT_SYMBOL(qed_get_fcoe_ops);
1030
1031 void qed_put_fcoe_ops(void)
1032 {
1033 }
1034 EXPORT_SYMBOL(qed_put_fcoe_ops);