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0001 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
0002 /* QLogic qed NIC Driver
0003  * Copyright (c) 2015-2017  QLogic Corporation
0004  * Copyright (c) 2019-2020 Marvell International Ltd.
0005  */
0006 
0007 #include <linux/types.h>
0008 #include <asm/byteorder.h>
0009 #include <asm/param.h>
0010 #include <linux/delay.h>
0011 #include <linux/dma-mapping.h>
0012 #include <linux/interrupt.h>
0013 #include <linux/kernel.h>
0014 #include <linux/log2.h>
0015 #include <linux/module.h>
0016 #include <linux/pci.h>
0017 #include <linux/slab.h>
0018 #include <linux/stddef.h>
0019 #include <linux/string.h>
0020 #include <linux/workqueue.h>
0021 #include <linux/errno.h>
0022 #include <linux/list.h>
0023 #include <linux/spinlock.h>
0024 #define __PREVENT_DUMP_MEM_ARR__
0025 #define __PREVENT_PXP_GLOBAL_WIN__
0026 #include "qed.h"
0027 #include "qed_cxt.h"
0028 #include "qed_dev_api.h"
0029 #include "qed_fcoe.h"
0030 #include "qed_hsi.h"
0031 #include "qed_hw.h"
0032 #include "qed_int.h"
0033 #include "qed_iro_hsi.h"
0034 #include "qed_ll2.h"
0035 #include "qed_mcp.h"
0036 #include "qed_reg_addr.h"
0037 #include "qed_sp.h"
0038 #include "qed_sriov.h"
0039 #include <linux/qed/qed_fcoe_if.h>
0040 
0041 struct qed_fcoe_conn {
0042     struct list_head list_entry;
0043     bool free_on_delete;
0044 
0045     u16 conn_id;
0046     u32 icid;
0047     u32 fw_cid;
0048     u8 layer_code;
0049 
0050     dma_addr_t sq_pbl_addr;
0051     dma_addr_t sq_curr_page_addr;
0052     dma_addr_t sq_next_page_addr;
0053     dma_addr_t xferq_pbl_addr;
0054     void *xferq_pbl_addr_virt_addr;
0055     dma_addr_t xferq_addr[4];
0056     void *xferq_addr_virt_addr[4];
0057     dma_addr_t confq_pbl_addr;
0058     void *confq_pbl_addr_virt_addr;
0059     dma_addr_t confq_addr[2];
0060     void *confq_addr_virt_addr[2];
0061 
0062     dma_addr_t terminate_params;
0063 
0064     u16 dst_mac_addr_lo;
0065     u16 dst_mac_addr_mid;
0066     u16 dst_mac_addr_hi;
0067     u16 src_mac_addr_lo;
0068     u16 src_mac_addr_mid;
0069     u16 src_mac_addr_hi;
0070 
0071     u16 tx_max_fc_pay_len;
0072     u16 e_d_tov_timer_val;
0073     u16 rec_tov_timer_val;
0074     u16 rx_max_fc_pay_len;
0075     u16 vlan_tag;
0076     u16 physical_q0;
0077 
0078     struct fc_addr_nw s_id;
0079     u8 max_conc_seqs_c3;
0080     struct fc_addr_nw d_id;
0081     u8 flags;
0082     u8 def_q_idx;
0083 };
0084 
0085 static int
0086 qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
0087                enum spq_mode comp_mode,
0088                struct qed_spq_comp_cb *p_comp_addr)
0089 {
0090     struct qed_fcoe_pf_params *fcoe_pf_params = NULL;
0091     struct fcoe_init_ramrod_params *p_ramrod = NULL;
0092     struct fcoe_init_func_ramrod_data *p_data;
0093     struct fcoe_conn_context *p_cxt = NULL;
0094     struct qed_spq_entry *p_ent = NULL;
0095     struct qed_sp_init_data init_data;
0096     struct qed_cxt_info cxt_info;
0097     u32 dummy_cid;
0098     int rc = 0;
0099     __le16 tmp;
0100     u8 i;
0101 
0102     /* Get SPQ entry */
0103     memset(&init_data, 0, sizeof(init_data));
0104     init_data.cid = qed_spq_get_cid(p_hwfn);
0105     init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
0106     init_data.comp_mode = comp_mode;
0107     init_data.p_comp_data = p_comp_addr;
0108 
0109     rc = qed_sp_init_request(p_hwfn, &p_ent,
0110                  FCOE_RAMROD_CMD_ID_INIT_FUNC,
0111                  PROTOCOLID_FCOE, &init_data);
0112     if (rc)
0113         return rc;
0114 
0115     p_ramrod = &p_ent->ramrod.fcoe_init;
0116     p_data = &p_ramrod->init_ramrod_data;
0117     fcoe_pf_params = &p_hwfn->pf_params.fcoe_pf_params;
0118 
0119     /* Sanity */
0120     if (fcoe_pf_params->num_cqs > p_hwfn->hw_info.feat_num[QED_FCOE_CQ]) {
0121         DP_ERR(p_hwfn,
0122                "Cannot satisfy CQ amount. CQs requested %d, CQs available %d. Aborting function start\n",
0123                fcoe_pf_params->num_cqs,
0124                p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
0125         rc = -EINVAL;
0126         goto err;
0127     }
0128 
0129     p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
0130     tmp = cpu_to_le16(fcoe_pf_params->sq_num_pbl_pages);
0131     p_data->sq_num_pages_in_pbl = tmp;
0132 
0133     rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
0134     if (rc)
0135         goto err;
0136 
0137     cxt_info.iid = dummy_cid;
0138     rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
0139     if (rc) {
0140         DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
0141               dummy_cid);
0142         goto err;
0143     }
0144     p_cxt = cxt_info.p_cxt;
0145     memset(p_cxt, 0, sizeof(*p_cxt));
0146 
0147     SET_FIELD(p_cxt->tstorm_ag_context.flags3,
0148           TSTORM_FCOE_CONN_AG_CTX_DUMMY_TIMER_CF_EN, 1);
0149 
0150     fcoe_pf_params->dummy_icid = (u16)dummy_cid;
0151 
0152     tmp = cpu_to_le16(fcoe_pf_params->num_tasks);
0153     p_data->func_params.num_tasks = tmp;
0154     p_data->func_params.log_page_size = fcoe_pf_params->log_page_size;
0155     p_data->func_params.debug_mode = fcoe_pf_params->debug_mode;
0156 
0157     DMA_REGPAIR_LE(p_data->q_params.glbl_q_params_addr,
0158                fcoe_pf_params->glbl_q_params_addr);
0159 
0160     tmp = cpu_to_le16(fcoe_pf_params->cq_num_entries);
0161     p_data->q_params.cq_num_entries = tmp;
0162 
0163     tmp = cpu_to_le16(fcoe_pf_params->cmdq_num_entries);
0164     p_data->q_params.cmdq_num_entries = tmp;
0165 
0166     p_data->q_params.num_queues = fcoe_pf_params->num_cqs;
0167 
0168     tmp = (__force __le16)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS];
0169     p_data->q_params.queue_relative_offset = (__force u8)tmp;
0170 
0171     for (i = 0; i < fcoe_pf_params->num_cqs; i++) {
0172         tmp = cpu_to_le16(qed_get_igu_sb_id(p_hwfn, i));
0173         p_data->q_params.cq_cmdq_sb_num_arr[i] = tmp;
0174     }
0175 
0176     p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi;
0177     p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi;
0178 
0179     p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
0180 
0181     DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ],
0182                fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
0183     p_data->q_params.bdq_pbl_num_entries[BDQ_ID_RQ] =
0184         fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_RQ];
0185     tmp = cpu_to_le16(fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_RQ]);
0186     p_data->q_params.bdq_xoff_threshold[BDQ_ID_RQ] = tmp;
0187     tmp = cpu_to_le16(fcoe_pf_params->bdq_xon_threshold[BDQ_ID_RQ]);
0188     p_data->q_params.bdq_xon_threshold[BDQ_ID_RQ] = tmp;
0189 
0190     DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_IMM_DATA],
0191                fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]);
0192     p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA] =
0193         fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA];
0194     tmp = cpu_to_le16(fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA]);
0195     p_data->q_params.bdq_xoff_threshold[BDQ_ID_IMM_DATA] = tmp;
0196     tmp = cpu_to_le16(fcoe_pf_params->bdq_xon_threshold[BDQ_ID_IMM_DATA]);
0197     p_data->q_params.bdq_xon_threshold[BDQ_ID_IMM_DATA] = tmp;
0198     tmp = cpu_to_le16(fcoe_pf_params->rq_buffer_size);
0199     p_data->q_params.rq_buffer_size = tmp;
0200 
0201     if (fcoe_pf_params->is_target) {
0202         SET_FIELD(p_data->q_params.q_validity,
0203               SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
0204         if (p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA])
0205             SET_FIELD(p_data->q_params.q_validity,
0206                   SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1);
0207         SET_FIELD(p_data->q_params.q_validity,
0208               SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1);
0209     } else {
0210         SET_FIELD(p_data->q_params.q_validity,
0211               SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
0212     }
0213 
0214     rc = qed_spq_post(p_hwfn, p_ent, NULL);
0215 
0216     return rc;
0217 
0218 err:
0219     qed_sp_destroy_request(p_hwfn, p_ent);
0220     return rc;
0221 }
0222 
0223 static int
0224 qed_sp_fcoe_conn_offload(struct qed_hwfn *p_hwfn,
0225              struct qed_fcoe_conn *p_conn,
0226              enum spq_mode comp_mode,
0227              struct qed_spq_comp_cb *p_comp_addr)
0228 {
0229     struct fcoe_conn_offload_ramrod_params *p_ramrod = NULL;
0230     struct fcoe_conn_offload_ramrod_data *p_data;
0231     struct qed_spq_entry *p_ent = NULL;
0232     struct qed_sp_init_data init_data;
0233     u16 physical_q0;
0234     __le16 tmp;
0235     int rc;
0236 
0237     /* Get SPQ entry */
0238     memset(&init_data, 0, sizeof(init_data));
0239     init_data.cid = p_conn->icid;
0240     init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
0241     init_data.comp_mode = comp_mode;
0242     init_data.p_comp_data = p_comp_addr;
0243 
0244     rc = qed_sp_init_request(p_hwfn, &p_ent,
0245                  FCOE_RAMROD_CMD_ID_OFFLOAD_CONN,
0246                  PROTOCOLID_FCOE, &init_data);
0247     if (rc)
0248         return rc;
0249 
0250     p_ramrod = &p_ent->ramrod.fcoe_conn_ofld;
0251     p_data = &p_ramrod->offload_ramrod_data;
0252 
0253     /* Transmission PQ is the first of the PF */
0254     physical_q0 = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
0255     p_conn->physical_q0 = physical_q0;
0256     p_data->physical_q0 = cpu_to_le16(physical_q0);
0257 
0258     p_data->conn_id = cpu_to_le16(p_conn->conn_id);
0259     DMA_REGPAIR_LE(p_data->sq_pbl_addr, p_conn->sq_pbl_addr);
0260     DMA_REGPAIR_LE(p_data->sq_curr_page_addr, p_conn->sq_curr_page_addr);
0261     DMA_REGPAIR_LE(p_data->sq_next_page_addr, p_conn->sq_next_page_addr);
0262     DMA_REGPAIR_LE(p_data->xferq_pbl_addr, p_conn->xferq_pbl_addr);
0263     DMA_REGPAIR_LE(p_data->xferq_curr_page_addr, p_conn->xferq_addr[0]);
0264     DMA_REGPAIR_LE(p_data->xferq_next_page_addr, p_conn->xferq_addr[1]);
0265 
0266     DMA_REGPAIR_LE(p_data->respq_pbl_addr, p_conn->confq_pbl_addr);
0267     DMA_REGPAIR_LE(p_data->respq_curr_page_addr, p_conn->confq_addr[0]);
0268     DMA_REGPAIR_LE(p_data->respq_next_page_addr, p_conn->confq_addr[1]);
0269 
0270     p_data->dst_mac_addr_lo = cpu_to_le16(p_conn->dst_mac_addr_lo);
0271     p_data->dst_mac_addr_mid = cpu_to_le16(p_conn->dst_mac_addr_mid);
0272     p_data->dst_mac_addr_hi = cpu_to_le16(p_conn->dst_mac_addr_hi);
0273     p_data->src_mac_addr_lo = cpu_to_le16(p_conn->src_mac_addr_lo);
0274     p_data->src_mac_addr_mid = cpu_to_le16(p_conn->src_mac_addr_mid);
0275     p_data->src_mac_addr_hi = cpu_to_le16(p_conn->src_mac_addr_hi);
0276 
0277     tmp = cpu_to_le16(p_conn->tx_max_fc_pay_len);
0278     p_data->tx_max_fc_pay_len = tmp;
0279     tmp = cpu_to_le16(p_conn->e_d_tov_timer_val);
0280     p_data->e_d_tov_timer_val = tmp;
0281     tmp = cpu_to_le16(p_conn->rec_tov_timer_val);
0282     p_data->rec_rr_tov_timer_val = tmp;
0283     tmp = cpu_to_le16(p_conn->rx_max_fc_pay_len);
0284     p_data->rx_max_fc_pay_len = tmp;
0285 
0286     p_data->vlan_tag = cpu_to_le16(p_conn->vlan_tag);
0287     p_data->s_id.addr_hi = p_conn->s_id.addr_hi;
0288     p_data->s_id.addr_mid = p_conn->s_id.addr_mid;
0289     p_data->s_id.addr_lo = p_conn->s_id.addr_lo;
0290     p_data->max_conc_seqs_c3 = p_conn->max_conc_seqs_c3;
0291     p_data->d_id.addr_hi = p_conn->d_id.addr_hi;
0292     p_data->d_id.addr_mid = p_conn->d_id.addr_mid;
0293     p_data->d_id.addr_lo = p_conn->d_id.addr_lo;
0294     p_data->flags = p_conn->flags;
0295     if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
0296         SET_FIELD(p_data->flags,
0297               FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN, 1);
0298     p_data->def_q_idx = p_conn->def_q_idx;
0299 
0300     return qed_spq_post(p_hwfn, p_ent, NULL);
0301 }
0302 
0303 static int
0304 qed_sp_fcoe_conn_destroy(struct qed_hwfn *p_hwfn,
0305              struct qed_fcoe_conn *p_conn,
0306              enum spq_mode comp_mode,
0307              struct qed_spq_comp_cb *p_comp_addr)
0308 {
0309     struct fcoe_conn_terminate_ramrod_params *p_ramrod = NULL;
0310     struct qed_spq_entry *p_ent = NULL;
0311     struct qed_sp_init_data init_data;
0312     int rc = 0;
0313 
0314     /* Get SPQ entry */
0315     memset(&init_data, 0, sizeof(init_data));
0316     init_data.cid = p_conn->icid;
0317     init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
0318     init_data.comp_mode = comp_mode;
0319     init_data.p_comp_data = p_comp_addr;
0320 
0321     rc = qed_sp_init_request(p_hwfn, &p_ent,
0322                  FCOE_RAMROD_CMD_ID_TERMINATE_CONN,
0323                  PROTOCOLID_FCOE, &init_data);
0324     if (rc)
0325         return rc;
0326 
0327     p_ramrod = &p_ent->ramrod.fcoe_conn_terminate;
0328     DMA_REGPAIR_LE(p_ramrod->terminate_ramrod_data.terminate_params_addr,
0329                p_conn->terminate_params);
0330 
0331     return qed_spq_post(p_hwfn, p_ent, NULL);
0332 }
0333 
0334 static int
0335 qed_sp_fcoe_func_stop(struct qed_hwfn *p_hwfn,
0336               struct qed_ptt *p_ptt,
0337               enum spq_mode comp_mode,
0338               struct qed_spq_comp_cb *p_comp_addr)
0339 {
0340     struct qed_spq_entry *p_ent = NULL;
0341     struct qed_sp_init_data init_data;
0342     u32 active_segs = 0;
0343     int rc = 0;
0344 
0345     /* Get SPQ entry */
0346     memset(&init_data, 0, sizeof(init_data));
0347     init_data.cid = p_hwfn->pf_params.fcoe_pf_params.dummy_icid;
0348     init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
0349     init_data.comp_mode = comp_mode;
0350     init_data.p_comp_data = p_comp_addr;
0351 
0352     rc = qed_sp_init_request(p_hwfn, &p_ent,
0353                  FCOE_RAMROD_CMD_ID_DESTROY_FUNC,
0354                  PROTOCOLID_FCOE, &init_data);
0355     if (rc)
0356         return rc;
0357 
0358     active_segs = qed_rd(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK);
0359     active_segs &= ~BIT(QED_CXT_FCOE_TID_SEG);
0360     qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, active_segs);
0361 
0362     return qed_spq_post(p_hwfn, p_ent, NULL);
0363 }
0364 
0365 static int
0366 qed_fcoe_allocate_connection(struct qed_hwfn *p_hwfn,
0367                  struct qed_fcoe_conn **p_out_conn)
0368 {
0369     struct qed_fcoe_conn *p_conn = NULL;
0370     void *p_addr;
0371     u32 i;
0372 
0373     spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
0374     if (!list_empty(&p_hwfn->p_fcoe_info->free_list))
0375         p_conn =
0376             list_first_entry(&p_hwfn->p_fcoe_info->free_list,
0377                      struct qed_fcoe_conn, list_entry);
0378     if (p_conn) {
0379         list_del(&p_conn->list_entry);
0380         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
0381         *p_out_conn = p_conn;
0382         return 0;
0383     }
0384     spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
0385 
0386     p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL);
0387     if (!p_conn)
0388         return -ENOMEM;
0389 
0390     p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0391                     QED_CHAIN_PAGE_SIZE,
0392                     &p_conn->xferq_pbl_addr, GFP_KERNEL);
0393     if (!p_addr)
0394         goto nomem_pbl_xferq;
0395     p_conn->xferq_pbl_addr_virt_addr = p_addr;
0396 
0397     for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
0398         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0399                         QED_CHAIN_PAGE_SIZE,
0400                         &p_conn->xferq_addr[i], GFP_KERNEL);
0401         if (!p_addr)
0402             goto nomem_xferq;
0403         p_conn->xferq_addr_virt_addr[i] = p_addr;
0404 
0405         p_addr = p_conn->xferq_pbl_addr_virt_addr;
0406         ((dma_addr_t *)p_addr)[i] = p_conn->xferq_addr[i];
0407     }
0408 
0409     p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0410                     QED_CHAIN_PAGE_SIZE,
0411                     &p_conn->confq_pbl_addr, GFP_KERNEL);
0412     if (!p_addr)
0413         goto nomem_xferq;
0414     p_conn->confq_pbl_addr_virt_addr = p_addr;
0415 
0416     for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
0417         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0418                         QED_CHAIN_PAGE_SIZE,
0419                         &p_conn->confq_addr[i], GFP_KERNEL);
0420         if (!p_addr)
0421             goto nomem_confq;
0422         p_conn->confq_addr_virt_addr[i] = p_addr;
0423 
0424         p_addr = p_conn->confq_pbl_addr_virt_addr;
0425         ((dma_addr_t *)p_addr)[i] = p_conn->confq_addr[i];
0426     }
0427 
0428     p_conn->free_on_delete = true;
0429     *p_out_conn = p_conn;
0430     return 0;
0431 
0432 nomem_confq:
0433     dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0434               QED_CHAIN_PAGE_SIZE,
0435               p_conn->confq_pbl_addr_virt_addr,
0436               p_conn->confq_pbl_addr);
0437     for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++)
0438         if (p_conn->confq_addr_virt_addr[i])
0439             dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0440                       QED_CHAIN_PAGE_SIZE,
0441                       p_conn->confq_addr_virt_addr[i],
0442                       p_conn->confq_addr[i]);
0443 nomem_xferq:
0444     dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0445               QED_CHAIN_PAGE_SIZE,
0446               p_conn->xferq_pbl_addr_virt_addr,
0447               p_conn->xferq_pbl_addr);
0448     for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++)
0449         if (p_conn->xferq_addr_virt_addr[i])
0450             dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0451                       QED_CHAIN_PAGE_SIZE,
0452                       p_conn->xferq_addr_virt_addr[i],
0453                       p_conn->xferq_addr[i]);
0454 nomem_pbl_xferq:
0455     kfree(p_conn);
0456     return -ENOMEM;
0457 }
0458 
0459 static void qed_fcoe_free_connection(struct qed_hwfn *p_hwfn,
0460                      struct qed_fcoe_conn *p_conn)
0461 {
0462     u32 i;
0463 
0464     if (!p_conn)
0465         return;
0466 
0467     if (p_conn->confq_pbl_addr_virt_addr)
0468         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0469                   QED_CHAIN_PAGE_SIZE,
0470                   p_conn->confq_pbl_addr_virt_addr,
0471                   p_conn->confq_pbl_addr);
0472 
0473     for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
0474         if (!p_conn->confq_addr_virt_addr[i])
0475             continue;
0476         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0477                   QED_CHAIN_PAGE_SIZE,
0478                   p_conn->confq_addr_virt_addr[i],
0479                   p_conn->confq_addr[i]);
0480     }
0481 
0482     if (p_conn->xferq_pbl_addr_virt_addr)
0483         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0484                   QED_CHAIN_PAGE_SIZE,
0485                   p_conn->xferq_pbl_addr_virt_addr,
0486                   p_conn->xferq_pbl_addr);
0487 
0488     for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
0489         if (!p_conn->xferq_addr_virt_addr[i])
0490             continue;
0491         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0492                   QED_CHAIN_PAGE_SIZE,
0493                   p_conn->xferq_addr_virt_addr[i],
0494                   p_conn->xferq_addr[i]);
0495     }
0496     kfree(p_conn);
0497 }
0498 
0499 static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
0500 {
0501     return (u8 __iomem *)p_hwfn->doorbells +
0502            qed_db_addr(cid, DQ_DEMS_LEGACY);
0503 }
0504 
0505 static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
0506                            u8 bdq_id)
0507 {
0508     if (RESC_NUM(p_hwfn, QED_BDQ)) {
0509         return (u8 __iomem *)p_hwfn->regview +
0510             GET_GTT_BDQ_REG_ADDR(GTT_BAR0_MAP_REG_MSDM_RAM,
0511                      MSTORM_SCSI_BDQ_EXT_PROD,
0512                      RESC_START(p_hwfn, QED_BDQ), bdq_id);
0513     } else {
0514         DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
0515         return NULL;
0516     }
0517 }
0518 
0519 static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
0520                              u8 bdq_id)
0521 {
0522     if (RESC_NUM(p_hwfn, QED_BDQ)) {
0523         return (u8 __iomem *)p_hwfn->regview +
0524             GET_GTT_BDQ_REG_ADDR(GTT_BAR0_MAP_REG_TSDM_RAM,
0525                      TSTORM_SCSI_BDQ_EXT_PROD,
0526                      RESC_START(p_hwfn, QED_BDQ), bdq_id);
0527     } else {
0528         DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
0529         return NULL;
0530     }
0531 }
0532 
0533 int qed_fcoe_alloc(struct qed_hwfn *p_hwfn)
0534 {
0535     struct qed_fcoe_info *p_fcoe_info;
0536 
0537     /* Allocate LL2's set struct */
0538     p_fcoe_info = kzalloc(sizeof(*p_fcoe_info), GFP_KERNEL);
0539     if (!p_fcoe_info) {
0540         DP_NOTICE(p_hwfn, "Failed to allocate qed_fcoe_info'\n");
0541         return -ENOMEM;
0542     }
0543     INIT_LIST_HEAD(&p_fcoe_info->free_list);
0544 
0545     p_hwfn->p_fcoe_info = p_fcoe_info;
0546     return 0;
0547 }
0548 
0549 void qed_fcoe_setup(struct qed_hwfn *p_hwfn)
0550 {
0551     struct fcoe_task_context *p_task_ctx = NULL;
0552     u32 i, lc;
0553     int rc;
0554 
0555     spin_lock_init(&p_hwfn->p_fcoe_info->lock);
0556     for (i = 0; i < p_hwfn->pf_params.fcoe_pf_params.num_tasks; i++) {
0557         rc = qed_cxt_get_task_ctx(p_hwfn, i,
0558                       QED_CTX_WORKING_MEM,
0559                       (void **)&p_task_ctx);
0560         if (rc)
0561             continue;
0562 
0563         memset(p_task_ctx, 0, sizeof(struct fcoe_task_context));
0564 
0565         lc = 0;
0566         SET_FIELD(lc, TIMERS_CONTEXT_VALIDLC0, 1);
0567         p_task_ctx->timer_context.logical_client_0 = cpu_to_le32(lc);
0568 
0569         lc = 0;
0570         SET_FIELD(lc, TIMERS_CONTEXT_VALIDLC1, 1);
0571         p_task_ctx->timer_context.logical_client_1 = cpu_to_le32(lc);
0572 
0573         SET_FIELD(p_task_ctx->tstorm_ag_context.flags0,
0574               TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, 1);
0575     }
0576 }
0577 
0578 void qed_fcoe_free(struct qed_hwfn *p_hwfn)
0579 {
0580     struct qed_fcoe_conn *p_conn = NULL;
0581 
0582     if (!p_hwfn->p_fcoe_info)
0583         return;
0584 
0585     while (!list_empty(&p_hwfn->p_fcoe_info->free_list)) {
0586         p_conn = list_first_entry(&p_hwfn->p_fcoe_info->free_list,
0587                       struct qed_fcoe_conn, list_entry);
0588         if (!p_conn)
0589             break;
0590         list_del(&p_conn->list_entry);
0591         qed_fcoe_free_connection(p_hwfn, p_conn);
0592     }
0593 
0594     kfree(p_hwfn->p_fcoe_info);
0595     p_hwfn->p_fcoe_info = NULL;
0596 }
0597 
0598 static int
0599 qed_fcoe_acquire_connection(struct qed_hwfn *p_hwfn,
0600                 struct qed_fcoe_conn *p_in_conn,
0601                 struct qed_fcoe_conn **p_out_conn)
0602 {
0603     struct qed_fcoe_conn *p_conn = NULL;
0604     int rc = 0;
0605     u32 icid;
0606 
0607     spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
0608     rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &icid);
0609     spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
0610     if (rc)
0611         return rc;
0612 
0613     /* Use input connection [if provided] or allocate a new one */
0614     if (p_in_conn) {
0615         p_conn = p_in_conn;
0616     } else {
0617         rc = qed_fcoe_allocate_connection(p_hwfn, &p_conn);
0618         if (rc) {
0619             spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
0620             qed_cxt_release_cid(p_hwfn, icid);
0621             spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
0622             return rc;
0623         }
0624     }
0625 
0626     p_conn->icid = icid;
0627     p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid;
0628     *p_out_conn = p_conn;
0629 
0630     return rc;
0631 }
0632 
0633 static void qed_fcoe_release_connection(struct qed_hwfn *p_hwfn,
0634                     struct qed_fcoe_conn *p_conn)
0635 {
0636     spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
0637     list_add_tail(&p_conn->list_entry, &p_hwfn->p_fcoe_info->free_list);
0638     qed_cxt_release_cid(p_hwfn, p_conn->icid);
0639     spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
0640 }
0641 
0642 static void _qed_fcoe_get_tstats(struct qed_hwfn *p_hwfn,
0643                  struct qed_ptt *p_ptt,
0644                  struct qed_fcoe_stats *p_stats)
0645 {
0646     struct fcoe_rx_stat tstats;
0647     u32 tstats_addr;
0648 
0649     memset(&tstats, 0, sizeof(tstats));
0650     tstats_addr = BAR0_MAP_REG_TSDM_RAM +
0651         TSTORM_FCOE_RX_STATS_OFFSET(p_hwfn->rel_pf_id);
0652     qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats));
0653 
0654     p_stats->fcoe_rx_byte_cnt = HILO_64_REGPAIR(tstats.fcoe_rx_byte_cnt);
0655     p_stats->fcoe_rx_data_pkt_cnt =
0656         HILO_64_REGPAIR(tstats.fcoe_rx_data_pkt_cnt);
0657     p_stats->fcoe_rx_xfer_pkt_cnt =
0658         HILO_64_REGPAIR(tstats.fcoe_rx_xfer_pkt_cnt);
0659     p_stats->fcoe_rx_other_pkt_cnt =
0660         HILO_64_REGPAIR(tstats.fcoe_rx_other_pkt_cnt);
0661 
0662     p_stats->fcoe_silent_drop_pkt_cmdq_full_cnt =
0663         le32_to_cpu(tstats.fcoe_silent_drop_pkt_cmdq_full_cnt);
0664     p_stats->fcoe_silent_drop_pkt_rq_full_cnt =
0665         le32_to_cpu(tstats.fcoe_silent_drop_pkt_rq_full_cnt);
0666     p_stats->fcoe_silent_drop_pkt_crc_error_cnt =
0667         le32_to_cpu(tstats.fcoe_silent_drop_pkt_crc_error_cnt);
0668     p_stats->fcoe_silent_drop_pkt_task_invalid_cnt =
0669         le32_to_cpu(tstats.fcoe_silent_drop_pkt_task_invalid_cnt);
0670     p_stats->fcoe_silent_drop_total_pkt_cnt =
0671         le32_to_cpu(tstats.fcoe_silent_drop_total_pkt_cnt);
0672 }
0673 
0674 static void _qed_fcoe_get_pstats(struct qed_hwfn *p_hwfn,
0675                  struct qed_ptt *p_ptt,
0676                  struct qed_fcoe_stats *p_stats)
0677 {
0678     struct fcoe_tx_stat pstats;
0679     u32 pstats_addr;
0680 
0681     memset(&pstats, 0, sizeof(pstats));
0682     pstats_addr = BAR0_MAP_REG_PSDM_RAM +
0683         PSTORM_FCOE_TX_STATS_OFFSET(p_hwfn->rel_pf_id);
0684     qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats));
0685 
0686     p_stats->fcoe_tx_byte_cnt = HILO_64_REGPAIR(pstats.fcoe_tx_byte_cnt);
0687     p_stats->fcoe_tx_data_pkt_cnt =
0688         HILO_64_REGPAIR(pstats.fcoe_tx_data_pkt_cnt);
0689     p_stats->fcoe_tx_xfer_pkt_cnt =
0690         HILO_64_REGPAIR(pstats.fcoe_tx_xfer_pkt_cnt);
0691     p_stats->fcoe_tx_other_pkt_cnt =
0692         HILO_64_REGPAIR(pstats.fcoe_tx_other_pkt_cnt);
0693 }
0694 
0695 static int qed_fcoe_get_stats(struct qed_hwfn *p_hwfn,
0696                   struct qed_fcoe_stats *p_stats)
0697 {
0698     struct qed_ptt *p_ptt;
0699 
0700     memset(p_stats, 0, sizeof(*p_stats));
0701 
0702     p_ptt = qed_ptt_acquire(p_hwfn);
0703 
0704     if (!p_ptt) {
0705         DP_ERR(p_hwfn, "Failed to acquire ptt\n");
0706         return -EINVAL;
0707     }
0708 
0709     _qed_fcoe_get_tstats(p_hwfn, p_ptt, p_stats);
0710     _qed_fcoe_get_pstats(p_hwfn, p_ptt, p_stats);
0711 
0712     qed_ptt_release(p_hwfn, p_ptt);
0713 
0714     return 0;
0715 }
0716 
0717 struct qed_hash_fcoe_con {
0718     struct hlist_node node;
0719     struct qed_fcoe_conn *con;
0720 };
0721 
0722 static int qed_fill_fcoe_dev_info(struct qed_dev *cdev,
0723                   struct qed_dev_fcoe_info *info)
0724 {
0725     struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev);
0726     int rc;
0727 
0728     memset(info, 0, sizeof(*info));
0729     rc = qed_fill_dev_info(cdev, &info->common);
0730 
0731     info->primary_dbq_rq_addr =
0732         qed_fcoe_get_primary_bdq_prod(hwfn, BDQ_ID_RQ);
0733     info->secondary_bdq_rq_addr =
0734         qed_fcoe_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ);
0735 
0736     info->wwpn = hwfn->mcp_info->func_info.wwn_port;
0737     info->wwnn = hwfn->mcp_info->func_info.wwn_node;
0738 
0739     info->num_cqs = FEAT_NUM(hwfn, QED_FCOE_CQ);
0740 
0741     return rc;
0742 }
0743 
0744 static void qed_register_fcoe_ops(struct qed_dev *cdev,
0745                   struct qed_fcoe_cb_ops *ops, void *cookie)
0746 {
0747     cdev->protocol_ops.fcoe = ops;
0748     cdev->ops_cookie = cookie;
0749 }
0750 
0751 static struct qed_hash_fcoe_con *qed_fcoe_get_hash(struct qed_dev *cdev,
0752                            u32 handle)
0753 {
0754     struct qed_hash_fcoe_con *hash_con = NULL;
0755 
0756     if (!(cdev->flags & QED_FLAG_STORAGE_STARTED))
0757         return NULL;
0758 
0759     hash_for_each_possible(cdev->connections, hash_con, node, handle) {
0760         if (hash_con->con->icid == handle)
0761             break;
0762     }
0763 
0764     if (!hash_con || (hash_con->con->icid != handle))
0765         return NULL;
0766 
0767     return hash_con;
0768 }
0769 
0770 static int qed_fcoe_stop(struct qed_dev *cdev)
0771 {
0772     struct qed_ptt *p_ptt;
0773     int rc;
0774 
0775     if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) {
0776         DP_NOTICE(cdev, "fcoe already stopped\n");
0777         return 0;
0778     }
0779 
0780     if (!hash_empty(cdev->connections)) {
0781         DP_NOTICE(cdev,
0782               "Can't stop fcoe - not all connections were returned\n");
0783         return -EINVAL;
0784     }
0785 
0786     p_ptt = qed_ptt_acquire(QED_AFFIN_HWFN(cdev));
0787     if (!p_ptt)
0788         return -EAGAIN;
0789 
0790     /* Stop the fcoe */
0791     rc = qed_sp_fcoe_func_stop(QED_AFFIN_HWFN(cdev), p_ptt,
0792                    QED_SPQ_MODE_EBLOCK, NULL);
0793     cdev->flags &= ~QED_FLAG_STORAGE_STARTED;
0794     qed_ptt_release(QED_AFFIN_HWFN(cdev), p_ptt);
0795 
0796     return rc;
0797 }
0798 
0799 static int qed_fcoe_start(struct qed_dev *cdev, struct qed_fcoe_tid *tasks)
0800 {
0801     int rc;
0802 
0803     if (cdev->flags & QED_FLAG_STORAGE_STARTED) {
0804         DP_NOTICE(cdev, "fcoe already started;\n");
0805         return 0;
0806     }
0807 
0808     rc = qed_sp_fcoe_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK,
0809                     NULL);
0810     if (rc) {
0811         DP_NOTICE(cdev, "Failed to start fcoe\n");
0812         return rc;
0813     }
0814 
0815     cdev->flags |= QED_FLAG_STORAGE_STARTED;
0816     hash_init(cdev->connections);
0817 
0818     if (tasks) {
0819         struct qed_tid_mem *tid_info = kzalloc(sizeof(*tid_info),
0820                                GFP_ATOMIC);
0821 
0822         if (!tid_info) {
0823             DP_NOTICE(cdev,
0824                   "Failed to allocate tasks information\n");
0825             qed_fcoe_stop(cdev);
0826             return -ENOMEM;
0827         }
0828 
0829         rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info);
0830         if (rc) {
0831             DP_NOTICE(cdev, "Failed to gather task information\n");
0832             qed_fcoe_stop(cdev);
0833             kfree(tid_info);
0834             return rc;
0835         }
0836 
0837         /* Fill task information */
0838         tasks->size = tid_info->tid_size;
0839         tasks->num_tids_per_block = tid_info->num_tids_per_block;
0840         memcpy(tasks->blocks, tid_info->blocks,
0841                MAX_TID_BLOCKS_FCOE * sizeof(u8 *));
0842 
0843         kfree(tid_info);
0844     }
0845 
0846     return 0;
0847 }
0848 
0849 static int qed_fcoe_acquire_conn(struct qed_dev *cdev,
0850                  u32 *handle,
0851                  u32 *fw_cid, void __iomem **p_doorbell)
0852 {
0853     struct qed_hash_fcoe_con *hash_con;
0854     int rc;
0855 
0856     /* Allocate a hashed connection */
0857     hash_con = kzalloc(sizeof(*hash_con), GFP_KERNEL);
0858     if (!hash_con) {
0859         DP_NOTICE(cdev, "Failed to allocate hashed connection\n");
0860         return -ENOMEM;
0861     }
0862 
0863     /* Acquire the connection */
0864     rc = qed_fcoe_acquire_connection(QED_AFFIN_HWFN(cdev), NULL,
0865                      &hash_con->con);
0866     if (rc) {
0867         DP_NOTICE(cdev, "Failed to acquire Connection\n");
0868         kfree(hash_con);
0869         return rc;
0870     }
0871 
0872     /* Added the connection to hash table */
0873     *handle = hash_con->con->icid;
0874     *fw_cid = hash_con->con->fw_cid;
0875     hash_add(cdev->connections, &hash_con->node, *handle);
0876 
0877     if (p_doorbell)
0878         *p_doorbell = qed_fcoe_get_db_addr(QED_AFFIN_HWFN(cdev),
0879                            *handle);
0880 
0881     return 0;
0882 }
0883 
0884 static int qed_fcoe_release_conn(struct qed_dev *cdev, u32 handle)
0885 {
0886     struct qed_hash_fcoe_con *hash_con;
0887 
0888     hash_con = qed_fcoe_get_hash(cdev, handle);
0889     if (!hash_con) {
0890         DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
0891               handle);
0892         return -EINVAL;
0893     }
0894 
0895     hlist_del(&hash_con->node);
0896     qed_fcoe_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con);
0897     kfree(hash_con);
0898 
0899     return 0;
0900 }
0901 
0902 static int qed_fcoe_offload_conn(struct qed_dev *cdev,
0903                  u32 handle,
0904                  struct qed_fcoe_params_offload *conn_info)
0905 {
0906     struct qed_hash_fcoe_con *hash_con;
0907     struct qed_fcoe_conn *con;
0908 
0909     hash_con = qed_fcoe_get_hash(cdev, handle);
0910     if (!hash_con) {
0911         DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
0912               handle);
0913         return -EINVAL;
0914     }
0915 
0916     /* Update the connection with information from the params */
0917     con = hash_con->con;
0918 
0919     con->sq_pbl_addr = conn_info->sq_pbl_addr;
0920     con->sq_curr_page_addr = conn_info->sq_curr_page_addr;
0921     con->sq_next_page_addr = conn_info->sq_next_page_addr;
0922     con->tx_max_fc_pay_len = conn_info->tx_max_fc_pay_len;
0923     con->e_d_tov_timer_val = conn_info->e_d_tov_timer_val;
0924     con->rec_tov_timer_val = conn_info->rec_tov_timer_val;
0925     con->rx_max_fc_pay_len = conn_info->rx_max_fc_pay_len;
0926     con->vlan_tag = conn_info->vlan_tag;
0927     con->max_conc_seqs_c3 = conn_info->max_conc_seqs_c3;
0928     con->flags = conn_info->flags;
0929     con->def_q_idx = conn_info->def_q_idx;
0930 
0931     con->src_mac_addr_hi = (conn_info->src_mac[5] << 8) |
0932         conn_info->src_mac[4];
0933     con->src_mac_addr_mid = (conn_info->src_mac[3] << 8) |
0934         conn_info->src_mac[2];
0935     con->src_mac_addr_lo = (conn_info->src_mac[1] << 8) |
0936         conn_info->src_mac[0];
0937     con->dst_mac_addr_hi = (conn_info->dst_mac[5] << 8) |
0938         conn_info->dst_mac[4];
0939     con->dst_mac_addr_mid = (conn_info->dst_mac[3] << 8) |
0940         conn_info->dst_mac[2];
0941     con->dst_mac_addr_lo = (conn_info->dst_mac[1] << 8) |
0942         conn_info->dst_mac[0];
0943 
0944     con->s_id.addr_hi = conn_info->s_id.addr_hi;
0945     con->s_id.addr_mid = conn_info->s_id.addr_mid;
0946     con->s_id.addr_lo = conn_info->s_id.addr_lo;
0947     con->d_id.addr_hi = conn_info->d_id.addr_hi;
0948     con->d_id.addr_mid = conn_info->d_id.addr_mid;
0949     con->d_id.addr_lo = conn_info->d_id.addr_lo;
0950 
0951     return qed_sp_fcoe_conn_offload(QED_AFFIN_HWFN(cdev), con,
0952                     QED_SPQ_MODE_EBLOCK, NULL);
0953 }
0954 
0955 static int qed_fcoe_destroy_conn(struct qed_dev *cdev,
0956                  u32 handle, dma_addr_t terminate_params)
0957 {
0958     struct qed_hash_fcoe_con *hash_con;
0959     struct qed_fcoe_conn *con;
0960 
0961     hash_con = qed_fcoe_get_hash(cdev, handle);
0962     if (!hash_con) {
0963         DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
0964               handle);
0965         return -EINVAL;
0966     }
0967 
0968     /* Update the connection with information from the params */
0969     con = hash_con->con;
0970     con->terminate_params = terminate_params;
0971 
0972     return qed_sp_fcoe_conn_destroy(QED_AFFIN_HWFN(cdev), con,
0973                     QED_SPQ_MODE_EBLOCK, NULL);
0974 }
0975 
0976 static int qed_fcoe_stats(struct qed_dev *cdev, struct qed_fcoe_stats *stats)
0977 {
0978     return qed_fcoe_get_stats(QED_AFFIN_HWFN(cdev), stats);
0979 }
0980 
0981 void qed_get_protocol_stats_fcoe(struct qed_dev *cdev,
0982                  struct qed_mcp_fcoe_stats *stats)
0983 {
0984     struct qed_fcoe_stats proto_stats;
0985 
0986     /* Retrieve FW statistics */
0987     memset(&proto_stats, 0, sizeof(proto_stats));
0988     if (qed_fcoe_stats(cdev, &proto_stats)) {
0989         DP_VERBOSE(cdev, QED_MSG_STORAGE,
0990                "Failed to collect FCoE statistics\n");
0991         return;
0992     }
0993 
0994     /* Translate FW statistics into struct */
0995     stats->rx_pkts = proto_stats.fcoe_rx_data_pkt_cnt +
0996              proto_stats.fcoe_rx_xfer_pkt_cnt +
0997              proto_stats.fcoe_rx_other_pkt_cnt;
0998     stats->tx_pkts = proto_stats.fcoe_tx_data_pkt_cnt +
0999              proto_stats.fcoe_tx_xfer_pkt_cnt +
1000              proto_stats.fcoe_tx_other_pkt_cnt;
1001     stats->fcs_err = proto_stats.fcoe_silent_drop_pkt_crc_error_cnt;
1002 
1003     /* Request protocol driver to fill-in the rest */
1004     if (cdev->protocol_ops.fcoe && cdev->ops_cookie) {
1005         struct qed_fcoe_cb_ops *ops = cdev->protocol_ops.fcoe;
1006         void *cookie = cdev->ops_cookie;
1007 
1008         if (ops->get_login_failures)
1009             stats->login_failure = ops->get_login_failures(cookie);
1010     }
1011 }
1012 
1013 static const struct qed_fcoe_ops qed_fcoe_ops_pass = {
1014     .common = &qed_common_ops_pass,
1015     .ll2 = &qed_ll2_ops_pass,
1016     .fill_dev_info = &qed_fill_fcoe_dev_info,
1017     .start = &qed_fcoe_start,
1018     .stop = &qed_fcoe_stop,
1019     .register_ops = &qed_register_fcoe_ops,
1020     .acquire_conn = &qed_fcoe_acquire_conn,
1021     .release_conn = &qed_fcoe_release_conn,
1022     .offload_conn = &qed_fcoe_offload_conn,
1023     .destroy_conn = &qed_fcoe_destroy_conn,
1024     .get_stats = &qed_fcoe_stats,
1025 };
1026 
1027 const struct qed_fcoe_ops *qed_get_fcoe_ops(void)
1028 {
1029     return &qed_fcoe_ops_pass;
1030 }
1031 EXPORT_SYMBOL(qed_get_fcoe_ops);
1032 
1033 void qed_put_fcoe_ops(void)
1034 {
1035 }
1036 EXPORT_SYMBOL(qed_put_fcoe_ops);
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