diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_hwi.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_hwi.c | 298 |
1 files changed, 158 insertions, 140 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index c0d035a8f8f9..090d436bcef8 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -1,8 +1,10 @@ -/* bnx2fc_hwi.c: Broadcom NetXtreme II Linux FCoE offload driver. +/* bnx2fc_hwi.c: QLogic Linux FCoE offload driver. * This file contains the code that low level functions that interact * with 57712 FCoE firmware. * - * Copyright (c) 2008 - 2013 Broadcom Corporation + * Copyright (c) 2008-2013 Broadcom Corporation + * Copyright (c) 2014-2016 QLogic Corporation + * Copyright (c) 2016-2017 Cavium Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -483,7 +485,7 @@ int bnx2fc_send_session_disable_req(struct fcoe_port *port, /** * bnx2fc_send_session_destroy_req - initiates FCoE Session destroy * - * @port: port structure pointer + * @hba: adapter structure pointer * @tgt: bnx2fc_rport structure pointer */ int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, @@ -631,10 +633,8 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) u16 xid; u32 frame_len, len; struct bnx2fc_cmd *io_req = NULL; - struct fcoe_task_ctx_entry *task, *task_page; struct bnx2fc_interface *interface = tgt->port->priv; struct bnx2fc_hba *hba = interface->hba; - int task_idx, index; int rc = 0; u64 err_warn_bit_map; u8 err_warn = 0xff; @@ -700,18 +700,12 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) BNX2FC_TGT_DBG(tgt, "buf_offsets - tx = 0x%x, rx = 0x%x\n", err_entry->data.tx_buf_off, err_entry->data.rx_buf_off); - if (xid > hba->max_xid) { BNX2FC_TGT_DBG(tgt, "xid(0x%x) out of FW range\n", xid); goto ret_err_rqe; } - task_idx = xid / BNX2FC_TASKS_PER_PAGE; - index = xid % BNX2FC_TASKS_PER_PAGE; - task_page = (struct fcoe_task_ctx_entry *) - hba->task_ctx[task_idx]; - task = &(task_page[index]); io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid]; if (!io_req) @@ -776,7 +770,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe) } else printk(KERN_ERR PFX "SRR in progress\n"); goto ret_err_rqe; - break; default: break; } @@ -828,18 +821,13 @@ ret_err_rqe: ((u64)err_entry->data.err_warn_bitmap_hi << 32) | (u64)err_entry->data.err_warn_bitmap_lo; for (i = 0; i < BNX2FC_NUM_ERR_BITS; i++) { - if (err_warn_bit_map & (u64) (1 << i)) { + if (err_warn_bit_map & ((u64)1 << i)) { err_warn = i; break; } } BNX2FC_TGT_DBG(tgt, "warn = 0x%x\n", err_warn); - task_idx = xid / BNX2FC_TASKS_PER_PAGE; - index = xid % BNX2FC_TASKS_PER_PAGE; - task_page = (struct fcoe_task_ctx_entry *) - interface->hba->task_ctx[task_idx]; - task = &(task_page[index]); io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid]; if (!io_req) goto ret_warn_rqe; @@ -868,36 +856,22 @@ ret_warn_rqe: } } -void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) +void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe, + unsigned char *rq_data, u8 num_rq, + struct fcoe_task_ctx_entry *task) { - struct fcoe_task_ctx_entry *task; - struct fcoe_task_ctx_entry *task_page; struct fcoe_port *port = tgt->port; struct bnx2fc_interface *interface = port->priv; struct bnx2fc_hba *hba = interface->hba; struct bnx2fc_cmd *io_req; - int task_idx, index; + u16 xid; u8 cmd_type; u8 rx_state = 0; - u8 num_rq; spin_lock_bh(&tgt->tgt_lock); - xid = wqe & FCOE_PEND_WQ_CQE_TASK_ID; - if (xid >= hba->max_tasks) { - printk(KERN_ERR PFX "ERROR:xid out of range\n"); - spin_unlock_bh(&tgt->tgt_lock); - return; - } - task_idx = xid / BNX2FC_TASKS_PER_PAGE; - index = xid % BNX2FC_TASKS_PER_PAGE; - task_page = (struct fcoe_task_ctx_entry *)hba->task_ctx[task_idx]; - task = &(task_page[index]); - - num_rq = ((task->rxwr_txrd.var_ctx.rx_flags & - FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE) >> - FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE_SHIFT); + xid = wqe & FCOE_PEND_WQ_CQE_TASK_ID; io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid]; if (io_req == NULL) { @@ -917,7 +891,8 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) switch (cmd_type) { case BNX2FC_SCSI_CMD: if (rx_state == FCOE_TASK_RX_STATE_COMPLETED) { - bnx2fc_process_scsi_cmd_compl(io_req, task, num_rq); + bnx2fc_process_scsi_cmd_compl(io_req, task, num_rq, + rq_data); spin_unlock_bh(&tgt->tgt_lock); return; } @@ -934,7 +909,7 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) case BNX2FC_TASK_MGMT_CMD: BNX2FC_IO_DBG(io_req, "Processing TM complete\n"); - bnx2fc_process_tm_compl(io_req, task, num_rq); + bnx2fc_process_tm_compl(io_req, task, num_rq, rq_data); break; case BNX2FC_ABTS: @@ -989,11 +964,12 @@ void bnx2fc_arm_cq(struct bnx2fc_rport *tgt) FCOE_CQE_TOGGLE_BIT_SHIFT); msg = *((u32 *)rx_db); writel(cpu_to_le32(msg), tgt->ctx_base); - mmiowb(); } -struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe) +static struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe, + unsigned char *rq_data, u8 num_rq, + struct fcoe_task_ctx_entry *task) { struct bnx2fc_work *work; work = kzalloc(sizeof(struct bnx2fc_work), GFP_ATOMIC); @@ -1003,9 +979,88 @@ struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe) INIT_LIST_HEAD(&work->list); work->tgt = tgt; work->wqe = wqe; + work->num_rq = num_rq; + work->task = task; + if (rq_data) + memcpy(work->rq_data, rq_data, BNX2FC_RQ_BUF_SZ); + return work; } +/* Pending work request completion */ +static bool bnx2fc_pending_work(struct bnx2fc_rport *tgt, unsigned int wqe) +{ + unsigned int cpu = wqe % num_possible_cpus(); + struct bnx2fc_percpu_s *fps; + struct bnx2fc_work *work; + struct fcoe_task_ctx_entry *task; + struct fcoe_task_ctx_entry *task_page; + struct fcoe_port *port = tgt->port; + struct bnx2fc_interface *interface = port->priv; + struct bnx2fc_hba *hba = interface->hba; + unsigned char *rq_data = NULL; + unsigned char rq_data_buff[BNX2FC_RQ_BUF_SZ]; + int task_idx, index; + u16 xid; + u8 num_rq; + int i; + + xid = wqe & FCOE_PEND_WQ_CQE_TASK_ID; + if (xid >= hba->max_tasks) { + pr_err(PFX "ERROR:xid out of range\n"); + return false; + } + + task_idx = xid / BNX2FC_TASKS_PER_PAGE; + index = xid % BNX2FC_TASKS_PER_PAGE; + task_page = (struct fcoe_task_ctx_entry *)hba->task_ctx[task_idx]; + task = &task_page[index]; + + num_rq = ((task->rxwr_txrd.var_ctx.rx_flags & + FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE) >> + FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE_SHIFT); + + memset(rq_data_buff, 0, BNX2FC_RQ_BUF_SZ); + + if (!num_rq) + goto num_rq_zero; + + rq_data = bnx2fc_get_next_rqe(tgt, 1); + + if (num_rq > 1) { + /* We do not need extra sense data */ + for (i = 1; i < num_rq; i++) + bnx2fc_get_next_rqe(tgt, 1); + } + + if (rq_data) + memcpy(rq_data_buff, rq_data, BNX2FC_RQ_BUF_SZ); + + /* return RQ entries */ + for (i = 0; i < num_rq; i++) + bnx2fc_return_rqe(tgt, 1); + +num_rq_zero: + + fps = &per_cpu(bnx2fc_percpu, cpu); + spin_lock_bh(&fps->fp_work_lock); + if (fps->iothread) { + work = bnx2fc_alloc_work(tgt, wqe, rq_data_buff, + num_rq, task); + if (work) { + list_add_tail(&work->list, &fps->work_list); + wake_up_process(fps->iothread); + spin_unlock_bh(&fps->fp_work_lock); + return true; + } + } + spin_unlock_bh(&fps->fp_work_lock); + bnx2fc_process_cq_compl(tgt, wqe, + rq_data_buff, num_rq, task); + + return true; +} + int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) { struct fcoe_cqe *cq; @@ -1040,29 +1095,8 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) /* Unsolicited event notification */ bnx2fc_process_unsol_compl(tgt, wqe); } else { - /* Pending work request completion */ - struct bnx2fc_work *work = NULL; - struct bnx2fc_percpu_s *fps = NULL; - unsigned int cpu = wqe % num_possible_cpus(); - - fps = &per_cpu(bnx2fc_percpu, cpu); - spin_lock_bh(&fps->fp_work_lock); - if (unlikely(!fps->iothread)) - goto unlock; - - work = bnx2fc_alloc_work(tgt, wqe); - if (work) - list_add_tail(&work->list, - &fps->work_list); -unlock: - spin_unlock_bh(&fps->fp_work_lock); - - /* Pending work request completion */ - if (fps->iothread && work) - wake_up_process(fps->iothread); - else - bnx2fc_process_cq_compl(tgt, wqe); - num_free_sqes++; + if (bnx2fc_pending_work(tgt, wqe)) + num_free_sqes++; } cqe++; tgt->cq_cons_idx++; @@ -1120,7 +1154,6 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba, struct fcoe_kcqe *ofld_kcqe) { struct bnx2fc_rport *tgt; - struct fcoe_port *port; struct bnx2fc_interface *interface; u32 conn_id; u32 context_id; @@ -1134,10 +1167,9 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba, } BNX2FC_TGT_DBG(tgt, "Entered ofld compl - context_id = 0x%x\n", ofld_kcqe->fcoe_conn_context_id); - port = tgt->port; interface = tgt->port->priv; if (hba != interface->hba) { - printk(KERN_ERR PFX "ERROR:ofld_cmpl: HBA mis-match\n"); + printk(KERN_ERR PFX "ERROR:ofld_cmpl: HBA mismatch\n"); goto ofld_cmpl_err; } /* @@ -1194,12 +1226,12 @@ static void bnx2fc_process_enable_conn_cmpl(struct bnx2fc_hba *hba, * and enable */ if (tgt->context_id != context_id) { - printk(KERN_ERR PFX "context id mis-match\n"); + printk(KERN_ERR PFX "context id mismatch\n"); return; } interface = tgt->port->priv; if (hba != interface->hba) { - printk(KERN_ERR PFX "bnx2fc-enbl_cmpl: HBA mis-match\n"); + printk(KERN_ERR PFX "bnx2fc-enbl_cmpl: HBA mismatch\n"); goto enbl_cmpl_err; } if (!ofld_kcqe->completion_status) @@ -1299,10 +1331,10 @@ static void bnx2fc_init_failure(struct bnx2fc_hba *hba, u32 err_code) } /** - * bnx2fc_indicae_kcqe - process KCQE + * bnx2fc_indicate_kcqe() - process KCQE * - * @hba: adapter structure pointer - * @kcqe: kcqe pointer + * @context: adapter structure pointer + * @kcq: kcqe pointer * @num_cqe: Number of completion queue elements * * Generic KCQ event handler @@ -1371,7 +1403,6 @@ void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], break; case FCOE_KCQE_OPCODE_FCOE_ERROR: - /* fall thru */ default: printk(KERN_ERR PFX "unknown opcode 0x%x\n", kcqe->op_code); @@ -1406,7 +1437,6 @@ void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt) (tgt->sq_curr_toggle_bit << 15); msg = *((u32 *)sq_db); writel(cpu_to_le32(msg), tgt->ctx_base); - mmiowb(); } @@ -1421,9 +1451,8 @@ int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt) reg_base = pci_resource_start(hba->pcidev, BNX2X_DOORBELL_PCI_BAR); - reg_off = BNX2FC_5771X_DB_PAGE_SIZE * - (context_id & 0x1FFFF) + DPM_TRIGER_TYPE; - tgt->ctx_base = ioremap_nocache(reg_base + reg_off, 4); + reg_off = (1 << BNX2X_DB_SHIFT) * (context_id & 0x1FFFF); + tgt->ctx_base = ioremap(reg_base + reg_off, 4); if (!tgt->ctx_base) return -ENOMEM; return 0; @@ -1463,10 +1492,7 @@ void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req, { struct scsi_cmnd *sc_cmd = orig_io_req->sc_cmd; struct bnx2fc_rport *tgt = seq_clnp_req->tgt; - struct bnx2fc_interface *interface = tgt->port->priv; struct fcoe_bd_ctx *bd = orig_io_req->bd_tbl->bd_tbl; - struct fcoe_task_ctx_entry *orig_task; - struct fcoe_task_ctx_entry *task_page; struct fcoe_ext_mul_sges_ctx *sgl; u8 task_type = FCOE_TASK_TYPE_SEQUENCE_CLEANUP; u8 orig_task_type; @@ -1475,7 +1501,6 @@ void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req, u64 phys_addr = (u64)orig_io_req->bd_tbl->bd_tbl_dma; u32 orig_offset = offset; int bd_count; - int orig_task_idx, index; int i; memset(task, 0, sizeof(struct fcoe_task_ctx_entry)); @@ -1525,12 +1550,6 @@ void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req, offset; /* adjusted offset */ task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_idx = i; } else { - orig_task_idx = orig_xid / BNX2FC_TASKS_PER_PAGE; - index = orig_xid % BNX2FC_TASKS_PER_PAGE; - - task_page = (struct fcoe_task_ctx_entry *) - interface->hba->task_ctx[orig_task_idx]; - orig_task = &(task_page[index]); /* Multiple SGEs were used for this IO */ sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl; @@ -1690,7 +1709,8 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, struct fcoe_cached_sge_ctx *cached_sge; struct fcoe_ext_mul_sges_ctx *sgl; int dev_type = tgt->dev_type; - u64 *fcp_cmnd; + struct fcp_cmnd *fcp_cmnd; + u64 *raw_fcp_cmnd; u64 tmp_fcp_cmnd[4]; u32 context_id; int cnt, i; @@ -1759,16 +1779,19 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, task->txwr_rxrd.union_ctx.tx_seq.ctx.seq_cnt = 1; /* Fill FCP_CMND IU */ - fcp_cmnd = (u64 *) + fcp_cmnd = (struct fcp_cmnd *)&tmp_fcp_cmnd; + bnx2fc_build_fcp_cmnd(io_req, fcp_cmnd); + int_to_scsilun(sc_cmd->device->lun, &fcp_cmnd->fc_lun); + memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len); + raw_fcp_cmnd = (u64 *) task->txwr_rxrd.union_ctx.fcp_cmd.opaque; - bnx2fc_build_fcp_cmnd(io_req, (struct fcp_cmnd *)&tmp_fcp_cmnd); /* swap fcp_cmnd */ cnt = sizeof(struct fcp_cmnd) / sizeof(u64); for (i = 0; i < cnt; i++) { - *fcp_cmnd = cpu_to_be64(tmp_fcp_cmnd[i]); - fcp_cmnd++; + *raw_fcp_cmnd = cpu_to_be64(tmp_fcp_cmnd[i]); + raw_fcp_cmnd++; } /* Rx Write Tx Read */ @@ -1864,7 +1887,6 @@ int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba) rc = -1; goto out; } - memset(hba->task_ctx_bd_tbl, 0, PAGE_SIZE); /* * Allocate task_ctx which is an array of pointers pointing to @@ -1902,7 +1924,6 @@ int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba) rc = -1; goto out3; } - memset(hba->task_ctx[i], 0, PAGE_SIZE); addr = (u64)hba->task_ctx_dma[i]; task_ctx_bdt->hi = cpu_to_le32((u64)addr >> 32); task_ctx_bdt->lo = cpu_to_le32((u32)addr); @@ -1967,26 +1988,29 @@ static void bnx2fc_free_hash_table(struct bnx2fc_hba *hba) { int i; int segment_count; - int hash_table_size; u32 *pbl; - segment_count = hba->hash_tbl_segment_count; - hash_table_size = BNX2FC_NUM_MAX_SESS * BNX2FC_MAX_ROWS_IN_HASH_TBL * - sizeof(struct fcoe_hash_table_entry); + if (hba->hash_tbl_segments) { - pbl = hba->hash_tbl_pbl; - for (i = 0; i < segment_count; ++i) { - dma_addr_t dma_address; + pbl = hba->hash_tbl_pbl; + if (pbl) { + segment_count = hba->hash_tbl_segment_count; + for (i = 0; i < segment_count; ++i) { + dma_addr_t dma_address; - dma_address = le32_to_cpu(*pbl); - ++pbl; - dma_address += ((u64)le32_to_cpu(*pbl)) << 32; - ++pbl; - dma_free_coherent(&hba->pcidev->dev, - BNX2FC_HASH_TBL_CHUNK_SIZE, - hba->hash_tbl_segments[i], - dma_address); + dma_address = le32_to_cpu(*pbl); + ++pbl; + dma_address += ((u64)le32_to_cpu(*pbl)) << 32; + ++pbl; + dma_free_coherent(&hba->pcidev->dev, + BNX2FC_HASH_TBL_CHUNK_SIZE, + hba->hash_tbl_segments[i], + dma_address); + } + } + kfree(hba->hash_tbl_segments); + hba->hash_tbl_segments = NULL; } if (hba->hash_tbl_pbl) { @@ -2024,41 +2048,27 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba *hba) dma_segment_array = kzalloc(dma_segment_array_size, GFP_KERNEL); if (!dma_segment_array) { printk(KERN_ERR PFX "hash table pointers (dma) alloc failed\n"); - return -ENOMEM; + goto cleanup_ht; } for (i = 0; i < segment_count; ++i) { - hba->hash_tbl_segments[i] = - dma_alloc_coherent(&hba->pcidev->dev, - BNX2FC_HASH_TBL_CHUNK_SIZE, - &dma_segment_array[i], - GFP_KERNEL); + hba->hash_tbl_segments[i] = dma_alloc_coherent(&hba->pcidev->dev, + BNX2FC_HASH_TBL_CHUNK_SIZE, + &dma_segment_array[i], + GFP_KERNEL); if (!hba->hash_tbl_segments[i]) { printk(KERN_ERR PFX "hash segment alloc failed\n"); - while (--i >= 0) { - dma_free_coherent(&hba->pcidev->dev, - BNX2FC_HASH_TBL_CHUNK_SIZE, - hba->hash_tbl_segments[i], - dma_segment_array[i]); - hba->hash_tbl_segments[i] = NULL; - } - kfree(dma_segment_array); - return -ENOMEM; + goto cleanup_dma; } - memset(hba->hash_tbl_segments[i], 0, - BNX2FC_HASH_TBL_CHUNK_SIZE); } - hba->hash_tbl_pbl = dma_alloc_coherent(&hba->pcidev->dev, - PAGE_SIZE, + hba->hash_tbl_pbl = dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE, &hba->hash_tbl_pbl_dma, GFP_KERNEL); if (!hba->hash_tbl_pbl) { printk(KERN_ERR PFX "hash table pbl alloc failed\n"); - kfree(dma_segment_array); - return -ENOMEM; + goto cleanup_dma; } - memset(hba->hash_tbl_pbl, 0, PAGE_SIZE); pbl = hba->hash_tbl_pbl; for (i = 0; i < segment_count; ++i) { @@ -2071,16 +2081,28 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba *hba) pbl = hba->hash_tbl_pbl; i = 0; while (*pbl && *(pbl + 1)) { - u32 lo; - u32 hi; - lo = *pbl; ++pbl; - hi = *pbl; ++pbl; ++i; } kfree(dma_segment_array); return 0; + +cleanup_dma: + for (i = 0; i < segment_count; ++i) { + if (hba->hash_tbl_segments[i]) + dma_free_coherent(&hba->pcidev->dev, + BNX2FC_HASH_TBL_CHUNK_SIZE, + hba->hash_tbl_segments[i], + dma_segment_array[i]); + } + + kfree(dma_segment_array); + +cleanup_ht: + kfree(hba->hash_tbl_segments); + hba->hash_tbl_segments = NULL; + return -ENOMEM; } /** @@ -2107,7 +2129,6 @@ int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba) bnx2fc_free_fw_resc(hba); return -ENOMEM; } - memset(hba->t2_hash_tbl_ptr, 0x00, mem_size); mem_size = BNX2FC_NUM_MAX_SESS * sizeof(struct fcoe_t2_hash_table_entry); @@ -2119,7 +2140,6 @@ int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba) bnx2fc_free_fw_resc(hba); return -ENOMEM; } - memset(hba->t2_hash_tbl, 0x00, mem_size); for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) { addr = (unsigned long) hba->t2_hash_tbl_dma + ((i+1) * sizeof(struct fcoe_t2_hash_table_entry)); @@ -2136,8 +2156,7 @@ int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba) return -ENOMEM; } - hba->stats_buffer = dma_alloc_coherent(&hba->pcidev->dev, - PAGE_SIZE, + hba->stats_buffer = dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE, &hba->stats_buf_dma, GFP_KERNEL); if (!hba->stats_buffer) { @@ -2145,7 +2164,6 @@ int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba) bnx2fc_free_fw_resc(hba); return -ENOMEM; } - memset(hba->stats_buffer, 0x00, PAGE_SIZE); return 0; } |
