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