diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index 5f8769aa469d99575b3a949c0e2ec69f6d2e760f..02087d443e730cb9cc2c24808218c03f927a3b51 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -71,7 +71,8 @@ static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, dma_addr_t addr) { if ((addr & GENMASK_ULL(ena_dev->dma_addr_bits - 1, 0)) != addr) { - pr_err("DMA address has more bits that the device supports\n"); + netdev_err(ena_dev->net_device, + "DMA address has more bits that the device supports\n"); return -EINVAL; } @@ -83,6 +84,7 @@ static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, static int ena_com_admin_init_sq(struct ena_com_admin_queue *admin_queue) { + struct ena_com_dev *ena_dev = admin_queue->ena_dev; struct ena_com_admin_sq *sq = &admin_queue->sq; u16 size = ADMIN_SQ_SIZE(admin_queue->q_depth); @@ -90,7 +92,7 @@ static int ena_com_admin_init_sq(struct ena_com_admin_queue *admin_queue) &sq->dma_addr, GFP_KERNEL); if (!sq->entries) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, "Memory allocation failed\n"); return -ENOMEM; } @@ -105,6 +107,7 @@ static int ena_com_admin_init_sq(struct ena_com_admin_queue *admin_queue) static int ena_com_admin_init_cq(struct ena_com_admin_queue *admin_queue) { + struct ena_com_dev *ena_dev = admin_queue->ena_dev; struct ena_com_admin_cq *cq = &admin_queue->cq; u16 size = ADMIN_CQ_SIZE(admin_queue->q_depth); @@ -112,7 +115,7 @@ static int ena_com_admin_init_cq(struct ena_com_admin_queue *admin_queue) &cq->dma_addr, GFP_KERNEL); if (!cq->entries) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, "Memory allocation failed\n"); return -ENOMEM; } @@ -135,7 +138,7 @@ static int ena_com_admin_init_aenq(struct ena_com_dev *ena_dev, &aenq->dma_addr, GFP_KERNEL); if (!aenq->entries) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, "Memory allocation failed\n"); return -ENOMEM; } @@ -156,7 +159,8 @@ static int ena_com_admin_init_aenq(struct ena_com_dev *ena_dev, writel(aenq_caps, ena_dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF); if (unlikely(!aenq_handlers)) { - pr_err("AENQ handlers pointer is NULL\n"); + netdev_err(ena_dev->net_device, + "AENQ handlers pointer is NULL\n"); return -EINVAL; } @@ -176,18 +180,21 @@ static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *admin_queu u16 command_id, bool capture) { if (unlikely(command_id >= admin_queue->q_depth)) { - pr_err("Command id is larger than the queue size. cmd_id: %u queue size %d\n", - command_id, admin_queue->q_depth); + netdev_err(admin_queue->ena_dev->net_device, + "Command id is larger than the queue size. cmd_id: %u queue size %d\n", + command_id, admin_queue->q_depth); return NULL; } if (unlikely(!admin_queue->comp_ctx)) { - pr_err("Completion context is NULL\n"); + netdev_err(admin_queue->ena_dev->net_device, + "Completion context is NULL\n"); return NULL; } if (unlikely(admin_queue->comp_ctx[command_id].occupied && capture)) { - pr_err("Completion context is occupied\n"); + netdev_err(admin_queue->ena_dev->net_device, + "Completion context is occupied\n"); return NULL; } @@ -217,7 +224,8 @@ static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queu /* In case of queue FULL */ cnt = (u16)atomic_read(&admin_queue->outstanding_cmds); if (cnt >= admin_queue->q_depth) { - pr_debug("Admin queue is full.\n"); + netdev_dbg(admin_queue->ena_dev->net_device, + "Admin queue is full.\n"); admin_queue->stats.out_of_space++; return ERR_PTR(-ENOSPC); } @@ -259,6 +267,7 @@ static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queu static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *admin_queue) { + struct ena_com_dev *ena_dev = admin_queue->ena_dev; size_t size = admin_queue->q_depth * sizeof(struct ena_comp_ctx); struct ena_comp_ctx *comp_ctx; u16 i; @@ -266,7 +275,7 @@ static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *admin_queue) admin_queue->comp_ctx = devm_kzalloc(admin_queue->q_dmadev, size, GFP_KERNEL); if (unlikely(!admin_queue->comp_ctx)) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, "Memory allocation failed\n"); return -ENOMEM; } @@ -337,7 +346,8 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, } if (!io_sq->desc_addr.virt_addr) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, + "Memory allocation failed\n"); return -ENOMEM; } } @@ -363,7 +373,8 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, devm_kzalloc(ena_dev->dmadev, size, GFP_KERNEL); if (!io_sq->bounce_buf_ctrl.base_buffer) { - pr_err("Bounce buffer memory allocation failed\n"); + netdev_err(ena_dev->net_device, + "Bounce buffer memory allocation failed\n"); return -ENOMEM; } @@ -423,7 +434,7 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, } if (!io_cq->cdesc_addr.virt_addr) { - pr_err("Memory allocation failed\n"); + netdev_err(ena_dev->net_device, "Memory allocation failed\n"); return -ENOMEM; } @@ -444,7 +455,8 @@ static void ena_com_handle_single_admin_completion(struct ena_com_admin_queue *a comp_ctx = get_comp_ctxt(admin_queue, cmd_id, false); if (unlikely(!comp_ctx)) { - pr_err("comp_ctx is NULL. Changing the admin queue running state\n"); + netdev_err(admin_queue->ena_dev->net_device, + "comp_ctx is NULL. Changing the admin queue running state\n"); admin_queue->running_state = false; return; } @@ -496,10 +508,12 @@ static void ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_qu admin_queue->stats.completed_cmd += comp_num; } -static int ena_com_comp_status_to_errno(u8 comp_status) +static int ena_com_comp_status_to_errno(struct ena_com_admin_queue *admin_queue, + u8 comp_status) { if (unlikely(comp_status != 0)) - pr_err("Admin command failed[%u]\n", comp_status); + netdev_err(admin_queue->ena_dev->net_device, + "Admin command failed[%u]\n", comp_status); switch (comp_status) { case ENA_ADMIN_SUCCESS: @@ -546,7 +560,8 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c break; if (time_is_before_jiffies(timeout)) { - pr_err("Wait for completion (polling) timeout\n"); + netdev_err(admin_queue->ena_dev->net_device, + "Wait for completion (polling) timeout\n"); /* ENA didn't have any completion */ spin_lock_irqsave(&admin_queue->q_lock, flags); admin_queue->stats.no_completion++; @@ -562,7 +577,8 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c } if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) { - pr_err("Command was aborted\n"); + netdev_err(admin_queue->ena_dev->net_device, + "Command was aborted\n"); spin_lock_irqsave(&admin_queue->q_lock, flags); admin_queue->stats.aborted_cmd++; spin_unlock_irqrestore(&admin_queue->q_lock, flags); @@ -573,7 +589,7 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c WARN(comp_ctx->status != ENA_CMD_COMPLETED, "Invalid comp status %d\n", comp_ctx->status); - ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); + ret = ena_com_comp_status_to_errno(admin_queue, comp_ctx->comp_status); err: comp_ctxt_release(admin_queue, comp_ctx); return ret; @@ -615,7 +631,8 @@ static int ena_com_set_llq(struct ena_com_dev *ena_dev) sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to set LLQ configurations: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to set LLQ configurations: %d\n", ret); return ret; } @@ -637,8 +654,9 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, llq_info->header_location_ctrl = llq_default_cfg->llq_header_location; } else { - pr_err("Invalid header location control, supported: 0x%x\n", - supported_feat); + netdev_err(ena_dev->net_device, + "Invalid header location control, supported: 0x%x\n", + supported_feat); return -EINVAL; } @@ -652,14 +670,16 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, } else if (supported_feat & ENA_ADMIN_SINGLE_DESC_PER_ENTRY) { llq_info->desc_stride_ctrl = ENA_ADMIN_SINGLE_DESC_PER_ENTRY; } else { - pr_err("Invalid desc_stride_ctrl, supported: 0x%x\n", - supported_feat); + netdev_err(ena_dev->net_device, + "Invalid desc_stride_ctrl, supported: 0x%x\n", + supported_feat); return -EINVAL; } - pr_err("Default llq stride ctrl is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", - llq_default_cfg->llq_stride_ctrl, supported_feat, - llq_info->desc_stride_ctrl); + netdev_err(ena_dev->net_device, + "Default llq stride ctrl is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_stride_ctrl, + supported_feat, llq_info->desc_stride_ctrl); } } else { llq_info->desc_stride_ctrl = 0; @@ -680,20 +700,23 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_256B; llq_info->desc_list_entry_size = 256; } else { - pr_err("Invalid entry_size_ctrl, supported: 0x%x\n", - supported_feat); + netdev_err(ena_dev->net_device, + "Invalid entry_size_ctrl, supported: 0x%x\n", + supported_feat); return -EINVAL; } - pr_err("Default llq ring entry size is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", - llq_default_cfg->llq_ring_entry_size, supported_feat, - llq_info->desc_list_entry_size); + netdev_err(ena_dev->net_device, + "Default llq ring entry size is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_ring_entry_size, supported_feat, + llq_info->desc_list_entry_size); } if (unlikely(llq_info->desc_list_entry_size & 0x7)) { /* The desc list entry size should be whole multiply of 8 * This requirement comes from __iowrite64_copy() */ - pr_err("Illegal entry size %d\n", llq_info->desc_list_entry_size); + netdev_err(ena_dev->net_device, "Illegal entry size %d\n", + llq_info->desc_list_entry_size); return -EINVAL; } @@ -716,14 +739,16 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, } else if (supported_feat & ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8) { llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8; } else { - pr_err("Invalid descs_num_before_header, supported: 0x%x\n", - supported_feat); + netdev_err(ena_dev->net_device, + "Invalid descs_num_before_header, supported: 0x%x\n", + supported_feat); return -EINVAL; } - pr_err("Default llq num descs before header is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", - llq_default_cfg->llq_num_decs_before_header, - supported_feat, llq_info->descs_num_before_header); + netdev_err(ena_dev->net_device, + "Default llq num descs before header is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_num_decs_before_header, + supported_feat, llq_info->descs_num_before_header); } /* Check for accelerated queue supported */ llq_accel_mode_get = llq_features->accel_mode.u.get; @@ -739,7 +764,8 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, rc = ena_com_set_llq(ena_dev); if (rc) - pr_err("Cannot set LLQ configuration: %d\n", rc); + netdev_err(ena_dev->net_device, + "Cannot set LLQ configuration: %d\n", rc); return rc; } @@ -766,15 +792,17 @@ static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *com spin_unlock_irqrestore(&admin_queue->q_lock, flags); if (comp_ctx->status == ENA_CMD_COMPLETED) { - pr_err("The ena device sent a completion but the driver didn't receive a MSI-X interrupt (cmd %d), autopolling mode is %s\n", - comp_ctx->cmd_opcode, - admin_queue->auto_polling ? "ON" : "OFF"); + netdev_err(admin_queue->ena_dev->net_device, + "The ena device sent a completion but the driver didn't receive a MSI-X interrupt (cmd %d), autopolling mode is %s\n", + comp_ctx->cmd_opcode, + admin_queue->auto_polling ? "ON" : "OFF"); /* Check if fallback to polling is enabled */ if (admin_queue->auto_polling) admin_queue->polling = true; } else { - pr_err("The ena device didn't send a completion for the admin cmd %d status %d\n", - comp_ctx->cmd_opcode, comp_ctx->status); + netdev_err(admin_queue->ena_dev->net_device, + "The ena device didn't send a completion for the admin cmd %d status %d\n", + comp_ctx->cmd_opcode, comp_ctx->status); } /* Check if shifted to polling mode. * This will happen if there is a completion without an interrupt @@ -787,7 +815,7 @@ static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *com } } - ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); + ret = ena_com_comp_status_to_errno(admin_queue, comp_ctx->comp_status); err: comp_ctxt_release(admin_queue, comp_ctx); return ret; @@ -834,15 +862,17 @@ static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) } if (unlikely(i == timeout)) { - pr_err("Reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n", - mmio_read->seq_num, offset, read_resp->req_id, - read_resp->reg_off); + netdev_err(ena_dev->net_device, + "Reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n", + mmio_read->seq_num, offset, read_resp->req_id, + read_resp->reg_off); ret = ENA_MMIO_READ_TIMEOUT; goto err; } if (read_resp->reg_off != offset) { - pr_err("Read failure: wrong offset provided\n"); + netdev_err(ena_dev->net_device, + "Read failure: wrong offset provided\n"); ret = ENA_MMIO_READ_TIMEOUT; } else { ret = read_resp->reg_val; @@ -901,7 +931,8 @@ static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev, sizeof(destroy_resp)); if (unlikely(ret && (ret != -ENODEV))) - pr_err("Failed to destroy io sq error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to destroy io sq error: %d\n", ret); return ret; } @@ -951,7 +982,8 @@ static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout, val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); if (unlikely(val == ENA_MMIO_READ_TIMEOUT)) { - pr_err("Reg read timeout occurred\n"); + netdev_err(ena_dev->net_device, + "Reg read timeout occurred\n"); return -ETIME; } @@ -991,7 +1023,8 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, int ret; if (!ena_com_check_supported_feature_id(ena_dev, feature_id)) { - pr_debug("Feature %d isn't supported\n", feature_id); + netdev_dbg(ena_dev->net_device, "Feature %d isn't supported\n", + feature_id); return -EOPNOTSUPP; } @@ -1010,7 +1043,7 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, &get_cmd.control_buffer.address, control_buf_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -1027,8 +1060,9 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, sizeof(*get_resp)); if (unlikely(ret)) - pr_err("Failed to submit get_feature command %d error: %d\n", - feature_id, ret); + netdev_err(ena_dev->net_device, + "Failed to submit get_feature command %d error: %d\n", + feature_id, ret); return ret; } @@ -1130,9 +1164,10 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, if ((get_resp.u.ind_table.min_size > log_size) || (get_resp.u.ind_table.max_size < log_size)) { - pr_err("Indirect table size doesn't fit. requested size: %d while min is:%d and max %d\n", - 1 << log_size, 1 << get_resp.u.ind_table.min_size, - 1 << get_resp.u.ind_table.max_size); + netdev_err(ena_dev->net_device, + "Indirect table size doesn't fit. requested size: %d while min is:%d and max %d\n", + 1 << log_size, 1 << get_resp.u.ind_table.min_size, + 1 << get_resp.u.ind_table.max_size); return -EINVAL; } @@ -1223,7 +1258,8 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, &create_cmd.sq_ba, io_sq->desc_addr.phys_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, + "Memory address set failed\n"); return ret; } } @@ -1234,7 +1270,8 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, (struct ena_admin_acq_entry *)&cmd_completion, sizeof(cmd_completion)); if (unlikely(ret)) { - pr_err("Failed to create IO SQ. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to create IO SQ. error: %d\n", ret); return ret; } @@ -1252,7 +1289,8 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, cmd_completion.llq_descriptors_offset); } - pr_debug("Created sq[%u], depth[%u]\n", io_sq->idx, io_sq->q_depth); + netdev_dbg(ena_dev->net_device, "Created sq[%u], depth[%u]\n", + io_sq->idx, io_sq->q_depth); return ret; } @@ -1286,7 +1324,8 @@ static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev, u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution; if (unlikely(!intr_delay_resolution)) { - pr_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n"); + netdev_err(ena_dev->net_device, + "Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n"); intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION; } @@ -1321,22 +1360,25 @@ int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size, comp, comp_size); if (IS_ERR(comp_ctx)) { - if (comp_ctx == ERR_PTR(-ENODEV)) - pr_debug("Failed to submit command [%ld]\n", - PTR_ERR(comp_ctx)); + ret = PTR_ERR(comp_ctx); + if (ret == -ENODEV) + netdev_dbg(admin_queue->ena_dev->net_device, + "Failed to submit command [%d]\n", ret); else - pr_err("Failed to submit command [%ld]\n", - PTR_ERR(comp_ctx)); + netdev_err(admin_queue->ena_dev->net_device, + "Failed to submit command [%d]\n", ret); - return PTR_ERR(comp_ctx); + return ret; } ret = ena_com_wait_and_process_admin_cq(comp_ctx, admin_queue); if (unlikely(ret)) { if (admin_queue->running_state) - pr_err("Failed to process command. ret = %d\n", ret); + netdev_err(admin_queue->ena_dev->net_device, + "Failed to process command. ret = %d\n", ret); else - pr_debug("Failed to process command. ret = %d\n", ret); + netdev_dbg(admin_queue->ena_dev->net_device, + "Failed to process command. ret = %d\n", ret); } return ret; } @@ -1365,7 +1407,7 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev, &create_cmd.cq_ba, io_cq->cdesc_addr.phys_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -1375,7 +1417,8 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev, (struct ena_admin_acq_entry *)&cmd_completion, sizeof(cmd_completion)); if (unlikely(ret)) { - pr_err("Failed to create IO CQ. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to create IO CQ. error: %d\n", ret); return ret; } @@ -1394,7 +1437,8 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev, (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + cmd_completion.numa_node_register_offset); - pr_debug("Created cq[%u], depth[%u]\n", io_cq->idx, io_cq->q_depth); + netdev_dbg(ena_dev->net_device, "Created cq[%u], depth[%u]\n", + io_cq->idx, io_cq->q_depth); return ret; } @@ -1404,8 +1448,9 @@ int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, struct ena_com_io_cq **io_cq) { if (qid >= ENA_TOTAL_NUM_QUEUES) { - pr_err("Invalid queue number %d but the max is %d\n", qid, - ENA_TOTAL_NUM_QUEUES); + netdev_err(ena_dev->net_device, + "Invalid queue number %d but the max is %d\n", qid, + ENA_TOTAL_NUM_QUEUES); return -EINVAL; } @@ -1471,7 +1516,8 @@ int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, sizeof(destroy_resp)); if (unlikely(ret && (ret != -ENODEV))) - pr_err("Failed to destroy IO CQ. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to destroy IO CQ. error: %d\n", ret); return ret; } @@ -1513,13 +1559,14 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG, 0); if (ret) { - pr_info("Can't get aenq configuration\n"); + dev_info(ena_dev->dmadev, "Can't get aenq configuration\n"); return ret; } if ((get_resp.u.aenq.supported_groups & groups_flag) != groups_flag) { - pr_warn("Trying to set unsupported aenq events. supported flag: 0x%x asked flag: 0x%x\n", - get_resp.u.aenq.supported_groups, groups_flag); + netdev_warn(ena_dev->net_device, + "Trying to set unsupported aenq events. supported flag: 0x%x asked flag: 0x%x\n", + get_resp.u.aenq.supported_groups, groups_flag); return -EOPNOTSUPP; } @@ -1538,7 +1585,8 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to config AENQ ret: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to config AENQ ret: %d\n", ret); return ret; } @@ -1546,20 +1594,21 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) int ena_com_get_dma_width(struct ena_com_dev *ena_dev) { u32 caps = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF); - int width; + u32 width; if (unlikely(caps == ENA_MMIO_READ_TIMEOUT)) { - pr_err("Reg read timeout occurred\n"); + netdev_err(ena_dev->net_device, "Reg read timeout occurred\n"); return -ETIME; } width = (caps & ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK) >> ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT; - pr_debug("ENA dma width: %d\n", width); + netdev_dbg(ena_dev->net_device, "ENA dma width: %d\n", width); if ((width < 32) || width > ENA_MAX_PHYS_ADDR_SIZE_BITS) { - pr_err("DMA width illegal value: %d\n", width); + netdev_err(ena_dev->net_device, "DMA width illegal value: %d\n", + width); return -EINVAL; } @@ -1583,23 +1632,24 @@ int ena_com_validate_version(struct ena_com_dev *ena_dev) if (unlikely((ver == ENA_MMIO_READ_TIMEOUT) || (ctrl_ver == ENA_MMIO_READ_TIMEOUT))) { - pr_err("Reg read timeout occurred\n"); + netdev_err(ena_dev->net_device, "Reg read timeout occurred\n"); return -ETIME; } - pr_info("ENA device version: %d.%d\n", - (ver & ENA_REGS_VERSION_MAJOR_VERSION_MASK) >> - ENA_REGS_VERSION_MAJOR_VERSION_SHIFT, - ver & ENA_REGS_VERSION_MINOR_VERSION_MASK); + dev_info(ena_dev->dmadev, "ENA device version: %d.%d\n", + (ver & ENA_REGS_VERSION_MAJOR_VERSION_MASK) >> + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT, + ver & ENA_REGS_VERSION_MINOR_VERSION_MASK); - pr_info("ENA controller version: %d.%d.%d implementation version %d\n", - (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) >> - ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT, - (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) >> - ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT, - (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK), - (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK) >> - ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT); + dev_info(ena_dev->dmadev, + "ENA controller version: %d.%d.%d implementation version %d\n", + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) >> + ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) >> + ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK), + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK) >> + ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT); ctrl_ver_masked = (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) | @@ -1608,7 +1658,8 @@ int ena_com_validate_version(struct ena_com_dev *ena_dev) /* Validate the ctrl version without the implementation ID */ if (ctrl_ver_masked < MIN_ENA_CTRL_VER) { - pr_err("ENA ctrl version is lower than the minimal ctrl version the driver supports\n"); + netdev_err(ena_dev->net_device, + "ENA ctrl version is lower than the minimal ctrl version the driver supports\n"); return -1; } @@ -1741,12 +1792,13 @@ int ena_com_admin_init(struct ena_com_dev *ena_dev, dev_sts = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); if (unlikely(dev_sts == ENA_MMIO_READ_TIMEOUT)) { - pr_err("Reg read timeout occurred\n"); + netdev_err(ena_dev->net_device, "Reg read timeout occurred\n"); return -ETIME; } if (!(dev_sts & ENA_REGS_DEV_STS_READY_MASK)) { - pr_err("Device isn't ready, abort com init\n"); + netdev_err(ena_dev->net_device, + "Device isn't ready, abort com init\n"); return -ENODEV; } @@ -1823,8 +1875,9 @@ int ena_com_create_io_queue(struct ena_com_dev *ena_dev, int ret; if (ctx->qid >= ENA_TOTAL_NUM_QUEUES) { - pr_err("Qid (%d) is bigger than max num of queues (%d)\n", - ctx->qid, ENA_TOTAL_NUM_QUEUES); + netdev_err(ena_dev->net_device, + "Qid (%d) is bigger than max num of queues (%d)\n", + ctx->qid, ENA_TOTAL_NUM_QUEUES); return -EINVAL; } @@ -1882,8 +1935,9 @@ void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid) struct ena_com_io_cq *io_cq; if (qid >= ENA_TOTAL_NUM_QUEUES) { - pr_err("Qid (%d) is bigger than max num of queues (%d)\n", qid, - ENA_TOTAL_NUM_QUEUES); + netdev_err(ena_dev->net_device, + "Qid (%d) is bigger than max num of queues (%d)\n", + qid, ENA_TOTAL_NUM_QUEUES); return; } @@ -2035,8 +2089,9 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *ena_dev, void *data) timestamp = (u64)aenq_common->timestamp_low | ((u64)aenq_common->timestamp_high << 32); - pr_debug("AENQ! Group[%x] Syndrome[%x] timestamp: [%llus]\n", - aenq_common->group, aenq_common->syndrome, timestamp); + netdev_dbg(ena_dev->net_device, + "AENQ! Group[%x] Syndrome[%x] timestamp: [%llus]\n", + aenq_common->group, aenq_common->syndrome, timestamp); /* Handle specific event*/ handler_cb = ena_com_get_specific_aenq_cb(ena_dev, @@ -2079,19 +2134,20 @@ int ena_com_dev_reset(struct ena_com_dev *ena_dev, if (unlikely((stat == ENA_MMIO_READ_TIMEOUT) || (cap == ENA_MMIO_READ_TIMEOUT))) { - pr_err("Reg read32 timeout occurred\n"); + netdev_err(ena_dev->net_device, "Reg read32 timeout occurred\n"); return -ETIME; } if ((stat & ENA_REGS_DEV_STS_READY_MASK) == 0) { - pr_err("Device isn't ready, can't reset device\n"); + netdev_err(ena_dev->net_device, + "Device isn't ready, can't reset device\n"); return -EINVAL; } timeout = (cap & ENA_REGS_CAPS_RESET_TIMEOUT_MASK) >> ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT; if (timeout == 0) { - pr_err("Invalid timeout value\n"); + netdev_err(ena_dev->net_device, "Invalid timeout value\n"); return -EINVAL; } @@ -2107,7 +2163,8 @@ int ena_com_dev_reset(struct ena_com_dev *ena_dev, rc = wait_for_reset_state(ena_dev, timeout, ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK); if (rc != 0) { - pr_err("Reset indication didn't turn on\n"); + netdev_err(ena_dev->net_device, + "Reset indication didn't turn on\n"); return rc; } @@ -2115,7 +2172,8 @@ int ena_com_dev_reset(struct ena_com_dev *ena_dev, writel(0, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); rc = wait_for_reset_state(ena_dev, timeout, 0); if (rc != 0) { - pr_err("Reset indication didn't turn off\n"); + netdev_err(ena_dev->net_device, + "Reset indication didn't turn off\n"); return rc; } @@ -2152,7 +2210,8 @@ static int ena_get_dev_stats(struct ena_com_dev *ena_dev, sizeof(*get_resp)); if (unlikely(ret)) - pr_err("Failed to get stats. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to get stats. error: %d\n", ret); return ret; } @@ -2187,7 +2246,7 @@ int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, return ret; } -int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu) { struct ena_com_admin_queue *admin_queue; struct ena_admin_set_feat_cmd cmd; @@ -2195,7 +2254,8 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) int ret; if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_MTU)) { - pr_debug("Feature %d isn't supported\n", ENA_ADMIN_MTU); + netdev_dbg(ena_dev->net_device, "Feature %d isn't supported\n", + ENA_ADMIN_MTU); return -EOPNOTSUPP; } @@ -2214,7 +2274,8 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to set mtu %d. error: %d\n", mtu, ret); + netdev_err(ena_dev->net_device, + "Failed to set mtu %d. error: %d\n", mtu, ret); return ret; } @@ -2228,7 +2289,8 @@ int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, ret = ena_com_get_feature(ena_dev, &resp, ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0); if (unlikely(ret)) { - pr_err("Failed to get offload capabilities %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to get offload capabilities %d\n", ret); return ret; } @@ -2248,8 +2310,8 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_RSS_HASH_FUNCTION)) { - pr_debug("Feature %d isn't supported\n", - ENA_ADMIN_RSS_HASH_FUNCTION); + netdev_dbg(ena_dev->net_device, "Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_FUNCTION); return -EOPNOTSUPP; } @@ -2260,8 +2322,9 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) return ret; if (!(get_resp.u.flow_hash_func.supported_func & BIT(rss->hash_func))) { - pr_err("Func hash %d isn't supported by device, abort\n", - rss->hash_func); + netdev_err(ena_dev->net_device, + "Func hash %d isn't supported by device, abort\n", + rss->hash_func); return -EOPNOTSUPP; } @@ -2278,7 +2341,7 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) &cmd.control_buffer.address, rss->hash_key_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -2290,8 +2353,9 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) (struct ena_admin_acq_entry *)&resp, sizeof(resp)); if (unlikely(ret)) { - pr_err("Failed to set hash function %d. error: %d\n", - rss->hash_func, ret); + netdev_err(ena_dev->net_device, + "Failed to set hash function %d. error: %d\n", + rss->hash_func, ret); return -EINVAL; } @@ -2322,7 +2386,8 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, return rc; if (!(BIT(func) & get_resp.u.flow_hash_func.supported_func)) { - pr_err("Flow hash function %d isn't supported\n", func); + netdev_err(ena_dev->net_device, + "Flow hash function %d isn't supported\n", func); return -EOPNOTSUPP; } @@ -2330,8 +2395,9 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, case ENA_ADMIN_TOEPLITZ: if (key) { if (key_len != sizeof(hash_key->key)) { - pr_err("key len (%hu) doesn't equal the supported size (%zu)\n", - key_len, sizeof(hash_key->key)); + netdev_err(ena_dev->net_device, + "key len (%hu) doesn't equal the supported size (%zu)\n", + key_len, sizeof(hash_key->key)); return -EINVAL; } memcpy(hash_key->key, key, key_len); @@ -2343,7 +2409,8 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, rss->hash_init_val = init_val; break; default: - pr_err("Invalid hash function (%d)\n", func); + netdev_err(ena_dev->net_device, "Invalid hash function (%d)\n", + func); return -EINVAL; } @@ -2429,8 +2496,8 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_RSS_HASH_INPUT)) { - pr_debug("Feature %d isn't supported\n", - ENA_ADMIN_RSS_HASH_INPUT); + netdev_dbg(ena_dev->net_device, "Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_INPUT); return -EOPNOTSUPP; } @@ -2448,7 +2515,7 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) &cmd.control_buffer.address, rss->hash_ctrl_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } cmd.control_buffer.length = sizeof(*hash_ctrl); @@ -2459,7 +2526,8 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) (struct ena_admin_acq_entry *)&resp, sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to set hash input. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to set hash input. error: %d\n", ret); return ret; } @@ -2509,9 +2577,10 @@ int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) available_fields = hash_ctrl->selected_fields[i].fields & hash_ctrl->supported_fields[i].fields; if (available_fields != hash_ctrl->selected_fields[i].fields) { - pr_err("Hash control doesn't support all the desire configuration. proto %x supported %x selected %x\n", - i, hash_ctrl->supported_fields[i].fields, - hash_ctrl->selected_fields[i].fields); + netdev_err(ena_dev->net_device, + "Hash control doesn't support all the desire configuration. proto %x supported %x selected %x\n", + i, hash_ctrl->supported_fields[i].fields, + hash_ctrl->selected_fields[i].fields); return -EOPNOTSUPP; } } @@ -2535,7 +2604,8 @@ int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, int rc; if (proto >= ENA_ADMIN_RSS_PROTO_NUM) { - pr_err("Invalid proto num (%u)\n", proto); + netdev_err(ena_dev->net_device, "Invalid proto num (%u)\n", + proto); return -EINVAL; } @@ -2547,8 +2617,9 @@ int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, /* Make sure all the fields are supported */ supported_fields = hash_ctrl->supported_fields[proto].fields; if ((hash_fields & supported_fields) != hash_fields) { - pr_err("Proto %d doesn't support the required fields %x. supports only: %x\n", - proto, hash_fields, supported_fields); + netdev_err(ena_dev->net_device, + "Proto %d doesn't support the required fields %x. supports only: %x\n", + proto, hash_fields, supported_fields); } hash_ctrl->selected_fields[proto].fields = hash_fields; @@ -2588,14 +2659,15 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) if (!ena_com_check_supported_feature_id( ena_dev, ENA_ADMIN_RSS_INDIRECTION_TABLE_CONFIG)) { - pr_debug("Feature %d isn't supported\n", - ENA_ADMIN_RSS_INDIRECTION_TABLE_CONFIG); + netdev_dbg(ena_dev->net_device, "Feature %d isn't supported\n", + ENA_ADMIN_RSS_INDIRECTION_TABLE_CONFIG); return -EOPNOTSUPP; } ret = ena_com_ind_tbl_convert_to_device(ena_dev); if (ret) { - pr_err("Failed to convert host indirection table to device table\n"); + netdev_err(ena_dev->net_device, + "Failed to convert host indirection table to device table\n"); return ret; } @@ -2612,7 +2684,7 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) &cmd.control_buffer.address, rss->rss_ind_tbl_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -2626,7 +2698,8 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to set indirect table. error: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to set indirect table. error: %d\n", ret); return ret; } @@ -2782,7 +2855,7 @@ int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) &cmd.u.host_attr.debug_ba, host_attr->debug_area_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -2790,7 +2863,7 @@ int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) &cmd.u.host_attr.os_info_ba, host_attr->host_info_dma_addr); if (unlikely(ret)) { - pr_err("Memory address set failed\n"); + netdev_err(ena_dev->net_device, "Memory address set failed\n"); return ret; } @@ -2803,7 +2876,8 @@ int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) sizeof(resp)); if (unlikely(ret)) - pr_err("Failed to set host attributes: %d\n", ret); + netdev_err(ena_dev->net_device, + "Failed to set host attributes: %d\n", ret); return ret; } @@ -2815,12 +2889,14 @@ bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev) ENA_ADMIN_INTERRUPT_MODERATION); } -static int ena_com_update_nonadaptive_moderation_interval(u32 coalesce_usecs, +static int ena_com_update_nonadaptive_moderation_interval(struct ena_com_dev *ena_dev, + u32 coalesce_usecs, u32 intr_delay_resolution, u32 *intr_moder_interval) { if (!intr_delay_resolution) { - pr_err("Illegal interrupt delay granularity value\n"); + netdev_err(ena_dev->net_device, + "Illegal interrupt delay granularity value\n"); return -EFAULT; } @@ -2832,7 +2908,8 @@ static int ena_com_update_nonadaptive_moderation_interval(u32 coalesce_usecs, int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, u32 tx_coalesce_usecs) { - return ena_com_update_nonadaptive_moderation_interval(tx_coalesce_usecs, + return ena_com_update_nonadaptive_moderation_interval(ena_dev, + tx_coalesce_usecs, ena_dev->intr_delay_resolution, &ena_dev->intr_moder_tx_interval); } @@ -2840,7 +2917,8 @@ int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_de int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, u32 rx_coalesce_usecs) { - return ena_com_update_nonadaptive_moderation_interval(rx_coalesce_usecs, + return ena_com_update_nonadaptive_moderation_interval(ena_dev, + rx_coalesce_usecs, ena_dev->intr_delay_resolution, &ena_dev->intr_moder_rx_interval); } @@ -2856,12 +2934,14 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) if (rc) { if (rc == -EOPNOTSUPP) { - pr_debug("Feature %d isn't supported\n", - ENA_ADMIN_INTERRUPT_MODERATION); + netdev_dbg(ena_dev->net_device, + "Feature %d isn't supported\n", + ENA_ADMIN_INTERRUPT_MODERATION); rc = 0; } else { - pr_err("Failed to get interrupt moderation admin cmd. rc: %d\n", - rc); + netdev_err(ena_dev->net_device, + "Failed to get interrupt moderation admin cmd. rc: %d\n", + rc); } /* no moderation supported, disable adaptive support */ @@ -2909,7 +2989,8 @@ int ena_com_config_dev_mode(struct ena_com_dev *ena_dev, (llq_info->descs_num_before_header * sizeof(struct ena_eth_io_tx_desc)); if (unlikely(ena_dev->tx_max_header_size == 0)) { - pr_err("The size of the LLQ entry is smaller than needed\n"); + netdev_err(ena_dev->net_device, + "The size of the LLQ entry is smaller than needed\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h index 55097750d0625d517e7b3cd157767addaaa0c5b9..343caf41e709fe103ce2c20b3256daedb979cc50 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.h +++ b/drivers/net/ethernet/amazon/ena/ena_com.h @@ -303,6 +303,7 @@ struct ena_com_dev { u8 __iomem *reg_bar; void __iomem *mem_bar; void *dmadev; + struct net_device *net_device; enum ena_admin_placement_policy_type tx_mem_queue_type; u32 tx_max_header_size; @@ -604,7 +605,7 @@ int ena_com_get_eni_stats(struct ena_com_dev *ena_dev, * * @return: 0 on Success and negative value otherwise. */ -int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu); +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu); /* ena_com_get_offload_settings - Retrieve the device offloads capabilities * @ena_dev: ENA communication layer struct @@ -931,6 +932,26 @@ int ena_com_config_dev_mode(struct ena_com_dev *ena_dev, struct ena_admin_feature_llq_desc *llq_features, struct ena_llq_configurations *llq_default_config); +/* ena_com_io_sq_to_ena_dev - Extract ena_com_dev using contained field io_sq. + * @io_sq: IO submit queue struct + * + * @return - ena_com_dev struct extracted from io_sq + */ +static inline struct ena_com_dev *ena_com_io_sq_to_ena_dev(struct ena_com_io_sq *io_sq) +{ + return container_of(io_sq, struct ena_com_dev, io_sq_queues[io_sq->qid]); +} + +/* ena_com_io_cq_to_ena_dev - Extract ena_com_dev using contained field io_cq. + * @io_sq: IO submit queue struct + * + * @return - ena_com_dev struct extracted from io_sq + */ +static inline struct ena_com_dev *ena_com_io_cq_to_ena_dev(struct ena_com_io_cq *io_cq) +{ + return container_of(io_cq, struct ena_com_dev, io_cq_queues[io_cq->qid]); +} + static inline bool ena_com_get_adaptive_moderation_enabled(struct ena_com_dev *ena_dev) { return ena_dev->adaptive_coalescing; diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c index 032ab9f20438875450618ecc9051b4e1c6dc81fb..c3be751e7379f76d2ba2de53c1816995a17b9b2c 100644 --- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c @@ -58,13 +58,15 @@ static int ena_com_write_bounce_buffer_to_dev(struct ena_com_io_sq *io_sq, if (is_llq_max_tx_burst_exists(io_sq)) { if (unlikely(!io_sq->entries_in_tx_burst_left)) { - pr_err("Error: trying to send more packets than tx burst allows\n"); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Error: trying to send more packets than tx burst allows\n"); return -ENOSPC; } io_sq->entries_in_tx_burst_left--; - pr_debug("Decreasing entries_in_tx_burst_left of queue %d to %d\n", - io_sq->qid, io_sq->entries_in_tx_burst_left); + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Decreasing entries_in_tx_burst_left of queue %d to %d\n", + io_sq->qid, io_sq->entries_in_tx_burst_left); } /* Make sure everything was written into the bounce buffer before @@ -102,12 +104,14 @@ static int ena_com_write_header_to_bounce(struct ena_com_io_sq *io_sq, if (unlikely((header_offset + header_len) > llq_info->desc_list_entry_size)) { - pr_err("Trying to write header larger than llq entry can accommodate\n"); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Trying to write header larger than llq entry can accommodate\n"); return -EFAULT; } if (unlikely(!bounce_buffer)) { - pr_err("Bounce buffer is NULL\n"); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Bounce buffer is NULL\n"); return -EFAULT; } @@ -125,7 +129,8 @@ static void *get_sq_desc_llq(struct ena_com_io_sq *io_sq) bounce_buffer = pkt_ctrl->curr_bounce_buf; if (unlikely(!bounce_buffer)) { - pr_err("Bounce buffer is NULL\n"); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Bounce buffer is NULL\n"); return NULL; } @@ -250,8 +255,9 @@ static u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq, io_cq->cur_rx_pkt_cdesc_count = 0; io_cq->cur_rx_pkt_cdesc_start_idx = head_masked; - pr_debug("ENA q_id: %d packets were completed. first desc idx %u descs# %d\n", - io_cq->qid, *first_cdesc_idx, count); + netdev_dbg(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "ENA q_id: %d packets were completed. first desc idx %u descs# %d\n", + io_cq->qid, *first_cdesc_idx, count); } else { io_cq->cur_rx_pkt_cdesc_count += count; count = 0; @@ -335,7 +341,8 @@ static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq, return 0; } -static void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx, +static void ena_com_rx_set_flags(struct ena_com_io_cq *io_cq, + struct ena_com_rx_ctx *ena_rx_ctx, struct ena_eth_io_rx_cdesc_base *cdesc) { ena_rx_ctx->l3_proto = cdesc->status & @@ -357,10 +364,11 @@ static void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx, (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT; - pr_debug("l3_proto %d l4_proto %d l3_csum_err %d l4_csum_err %d hash %d frag %d cdesc_status %x\n", - ena_rx_ctx->l3_proto, ena_rx_ctx->l4_proto, - ena_rx_ctx->l3_csum_err, ena_rx_ctx->l4_csum_err, - ena_rx_ctx->hash, ena_rx_ctx->frag, cdesc->status); + netdev_dbg(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "l3_proto %d l4_proto %d l3_csum_err %d l4_csum_err %d hash %d frag %d cdesc_status %x\n", + ena_rx_ctx->l3_proto, ena_rx_ctx->l4_proto, + ena_rx_ctx->l3_csum_err, ena_rx_ctx->l4_csum_err, + ena_rx_ctx->hash, ena_rx_ctx->frag, cdesc->status); } /*****************************************************************************/ @@ -385,13 +393,15 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, /* num_bufs +1 for potential meta desc */ if (unlikely(!ena_com_sq_have_enough_space(io_sq, num_bufs + 1))) { - pr_debug("Not enough space in the tx queue\n"); + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Not enough space in the tx queue\n"); return -ENOMEM; } if (unlikely(header_len > io_sq->tx_max_header_size)) { - pr_err("Header size is too large %d max header: %d\n", - header_len, io_sq->tx_max_header_size); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Header size is too large %d max header: %d\n", + header_len, io_sq->tx_max_header_size); return -EINVAL; } @@ -405,7 +415,8 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, rc = ena_com_create_and_store_tx_meta_desc(io_sq, ena_tx_ctx, &have_meta); if (unlikely(rc)) { - pr_err("Failed to create and store tx meta desc\n"); + netdev_err(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Failed to create and store tx meta desc\n"); return rc; } @@ -529,12 +540,14 @@ int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, return 0; } - pr_debug("Fetch rx packet: queue %d completed desc: %d\n", io_cq->qid, - nb_hw_desc); + netdev_dbg(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "Fetch rx packet: queue %d completed desc: %d\n", io_cq->qid, + nb_hw_desc); if (unlikely(nb_hw_desc > ena_rx_ctx->max_bufs)) { - pr_err("Too many RX cdescs (%d) > MAX(%d)\n", nb_hw_desc, - ena_rx_ctx->max_bufs); + netdev_err(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "Too many RX cdescs (%d) > MAX(%d)\n", nb_hw_desc, + ena_rx_ctx->max_bufs); return -ENOSPC; } @@ -557,13 +570,15 @@ int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, /* Update SQ head ptr */ io_sq->next_to_comp += nb_hw_desc; - pr_debug("[%s][QID#%d] Updating SQ head to: %d\n", __func__, io_sq->qid, - io_sq->next_to_comp); + netdev_dbg(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "[%s][QID#%d] Updating SQ head to: %d\n", __func__, + io_sq->qid, io_sq->next_to_comp); /* Get rx flags from the last pkt */ - ena_com_rx_set_flags(ena_rx_ctx, cdesc); + ena_com_rx_set_flags(io_cq, ena_rx_ctx, cdesc); ena_rx_ctx->descs = nb_hw_desc; + return 0; } @@ -588,11 +603,15 @@ int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, desc->ctrl = ENA_ETH_IO_RX_DESC_FIRST_MASK | ENA_ETH_IO_RX_DESC_LAST_MASK | - (io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK) | - ENA_ETH_IO_RX_DESC_COMP_REQ_MASK; + ENA_ETH_IO_RX_DESC_COMP_REQ_MASK | + (io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK); desc->req_id = req_id; + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "[%s] Adding single RX desc, Queue: %u, req_id: %u\n", + __func__, io_sq->qid, req_id); + desc->buff_addr_lo = (u32)ena_buf->paddr; desc->buff_addr_hi = ((ena_buf->paddr & GENMASK_ULL(io_sq->dma_addr_bits - 1, 32)) >> 32); diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.h b/drivers/net/ethernet/amazon/ena/ena_eth_com.h index 2c16c218818aff36ba29a0acffaf2e0410ab3d18..689313ee25a80c576d1435282a7e030c607705f0 100644 --- a/drivers/net/ethernet/amazon/ena/ena_eth_com.h +++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.h @@ -140,8 +140,9 @@ static inline bool ena_com_is_doorbell_needed(struct ena_com_io_sq *io_sq, llq_info->descs_per_entry); } - pr_debug("Queue: %d num_descs: %d num_entries_needed: %d\n", io_sq->qid, - num_descs, num_entries_needed); + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Queue: %d num_descs: %d num_entries_needed: %d\n", + io_sq->qid, num_descs, num_entries_needed); return num_entries_needed > io_sq->entries_in_tx_burst_left; } @@ -151,14 +152,16 @@ static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq) u16 max_entries_in_tx_burst = io_sq->llq_info.max_entries_in_tx_burst; u16 tail = io_sq->tail; - pr_debug("Write submission queue doorbell for queue: %d tail: %d\n", - io_sq->qid, tail); + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Write submission queue doorbell for queue: %d tail: %d\n", + io_sq->qid, tail); writel(tail, io_sq->db_addr); if (is_llq_max_tx_burst_exists(io_sq)) { - pr_debug("Reset available entries in tx burst for queue %d to %d\n", - io_sq->qid, max_entries_in_tx_burst); + netdev_dbg(ena_com_io_sq_to_ena_dev(io_sq)->net_device, + "Reset available entries in tx burst for queue %d to %d\n", + io_sq->qid, max_entries_in_tx_burst); io_sq->entries_in_tx_burst_left = max_entries_in_tx_burst; } @@ -176,8 +179,9 @@ static inline int ena_com_update_dev_comp_head(struct ena_com_io_cq *io_cq) need_update = unreported_comp > (io_cq->q_depth / ENA_COMP_HEAD_THRESH); if (unlikely(need_update)) { - pr_debug("Write completion queue doorbell for queue %d: head: %d\n", - io_cq->qid, head); + netdev_dbg(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "Write completion queue doorbell for queue %d: head: %d\n", + io_cq->qid, head); writel(head, io_cq->cq_head_db_reg); io_cq->last_head_update = head; } @@ -240,7 +244,8 @@ static inline int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, *req_id = READ_ONCE(cdesc->req_id); if (unlikely(*req_id >= io_cq->q_depth)) { - pr_err("Invalid req id %d\n", cdesc->req_id); + netdev_err(ena_com_io_cq_to_ena_dev(io_cq)->net_device, + "Invalid req id %d\n", cdesc->req_id); return -EINVAL; } diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 6cdd9efe8df3463bad6c3e761dfeb42cef0954f1..d6cc7aa612b7510a5a9abff22420744c7f349ef8 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -95,6 +95,7 @@ static const struct ena_stats ena_stats_rx_strings[] = { ENA_STAT_RX_ENTRY(xdp_pass), ENA_STAT_RX_ENTRY(xdp_tx), ENA_STAT_RX_ENTRY(xdp_invalid), + ENA_STAT_RX_ENTRY(xdp_redirect), }; static const struct ena_stats ena_stats_ena_com_strings[] = { @@ -839,7 +840,7 @@ static int ena_set_channels(struct net_device *netdev, /* The check for max value is already done in ethtool */ if (count < ENA_MIN_NUM_IO_QUEUES || (ena_xdp_present(adapter) && - !ena_xdp_legal_queue_count(adapter, channels->combined_count))) + !ena_xdp_legal_queue_count(adapter, count))) return -EINVAL; return ena_update_queue_count(adapter, count); diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 0e98f45c2b22de1fc827e6391d20efc022c53ab5..06596fa1f9fea3dc6c6ff4e3820f5a7d88c24259 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -29,6 +29,8 @@ MODULE_LICENSE("GPL"); /* Time in jiffies before concluding the transmitter is hung. */ #define TX_TIMEOUT (5 * HZ) +#define ENA_MAX_RINGS min_t(unsigned int, ENA_MAX_NUM_IO_QUEUES, num_possible_cpus()) + #define ENA_NAPI_BUDGET 64 #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | \ @@ -78,6 +80,15 @@ static void ena_unmap_tx_buff(struct ena_ring *tx_ring, static int ena_create_io_tx_queues_in_range(struct ena_adapter *adapter, int first_index, int count); +/* Increase a stat by cnt while holding syncp seqlock on 32bit machines */ +static void ena_increase_stat(u64 *statp, u64 cnt, + struct u64_stats_sync *syncp) +{ + u64_stats_update_begin(syncp); + (*statp) += cnt; + u64_stats_update_end(syncp); +} + static void ena_tx_timeout(struct net_device *dev, unsigned int txqueue) { struct ena_adapter *adapter = netdev_priv(dev); @@ -90,9 +101,7 @@ static void ena_tx_timeout(struct net_device *dev, unsigned int txqueue) return; adapter->reset_reason = ENA_REGS_RESET_OS_NETDEV_WD; - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.tx_timeout++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.tx_timeout, 1, &adapter->syncp); netif_err(adapter, tx_err, dev, "Transmit time out\n"); } @@ -152,9 +161,8 @@ static int ena_xmit_common(struct net_device *dev, if (unlikely(rc)) { netif_err(adapter, tx_queued, dev, "Failed to prepare tx bufs\n"); - u64_stats_update_begin(&ring->syncp); - ring->tx_stats.prepare_ctx_err++; - u64_stats_update_end(&ring->syncp); + ena_increase_stat(&ring->tx_stats.prepare_ctx_err, 1, + &ring->syncp); if (rc != -ENOMEM) { adapter->reset_reason = ENA_REGS_RESET_DRIVER_INVALID_STATE; @@ -225,18 +233,18 @@ static int ena_xdp_io_poll(struct napi_struct *napi, int budget) return ret; } -static int ena_xdp_tx_map_buff(struct ena_ring *xdp_ring, - struct ena_tx_buffer *tx_info, - struct xdp_buff *xdp, - void **push_hdr, - u32 *push_len) +static int ena_xdp_tx_map_frame(struct ena_ring *xdp_ring, + struct ena_tx_buffer *tx_info, + struct xdp_frame *xdpf, + void **push_hdr, + u32 *push_len) { struct ena_adapter *adapter = xdp_ring->adapter; struct ena_com_buf *ena_buf; dma_addr_t dma = 0; u32 size; - tx_info->xdpf = xdp_convert_buff_to_frame(xdp); + tx_info->xdpf = xdpf; size = tx_info->xdpf->len; ena_buf = tx_info->bufs; @@ -262,9 +270,8 @@ static int ena_xdp_tx_map_buff(struct ena_ring *xdp_ring, return 0; error_report_dma_error: - u64_stats_update_begin(&xdp_ring->syncp); - xdp_ring->tx_stats.dma_mapping_err++; - u64_stats_update_end(&xdp_ring->syncp); + ena_increase_stat(&xdp_ring->tx_stats.dma_mapping_err, 1, + &xdp_ring->syncp); netif_warn(adapter, tx_queued, adapter->netdev, "Failed to map xdp buff\n"); xdp_return_frame_rx_napi(tx_info->xdpf); @@ -274,29 +281,24 @@ static int ena_xdp_tx_map_buff(struct ena_ring *xdp_ring, return -EINVAL; } -static int ena_xdp_xmit_buff(struct net_device *dev, - struct xdp_buff *xdp, - int qid, - struct ena_rx_buffer *rx_info) +static int ena_xdp_xmit_frame(struct ena_ring *xdp_ring, + struct net_device *dev, + struct xdp_frame *xdpf, + int flags) { - struct ena_adapter *adapter = netdev_priv(dev); struct ena_com_tx_ctx ena_tx_ctx = {}; struct ena_tx_buffer *tx_info; - struct ena_ring *xdp_ring; u16 next_to_use, req_id; - int rc; void *push_hdr; u32 push_len; + int rc; - xdp_ring = &adapter->tx_ring[qid]; next_to_use = xdp_ring->next_to_use; req_id = xdp_ring->free_ids[next_to_use]; tx_info = &xdp_ring->tx_buffer_info[req_id]; tx_info->num_of_bufs = 0; - page_ref_inc(rx_info->page); - tx_info->xdp_rx_page = rx_info->page; - rc = ena_xdp_tx_map_buff(xdp_ring, tx_info, xdp, &push_hdr, &push_len); + rc = ena_xdp_tx_map_frame(xdp_ring, tx_info, xdpf, &push_hdr, &push_len); if (unlikely(rc)) goto error_drop_packet; @@ -311,34 +313,82 @@ static int ena_xdp_xmit_buff(struct net_device *dev, tx_info, &ena_tx_ctx, next_to_use, - xdp->data_end - xdp->data); + xdpf->len); if (rc) goto error_unmap_dma; /* trigger the dma engine. ena_com_write_sq_doorbell() * has a mb */ - ena_com_write_sq_doorbell(xdp_ring->ena_com_io_sq); - u64_stats_update_begin(&xdp_ring->syncp); - xdp_ring->tx_stats.doorbells++; - u64_stats_update_end(&xdp_ring->syncp); + if (flags & XDP_XMIT_FLUSH) { + ena_com_write_sq_doorbell(xdp_ring->ena_com_io_sq); + ena_increase_stat(&xdp_ring->tx_stats.doorbells, 1, + &xdp_ring->syncp); + } - return NETDEV_TX_OK; + return rc; error_unmap_dma: ena_unmap_tx_buff(xdp_ring, tx_info); tx_info->xdpf = NULL; error_drop_packet: - __free_page(tx_info->xdp_rx_page); - return NETDEV_TX_OK; + xdp_return_frame(xdpf); + return rc; } -static int ena_xdp_execute(struct ena_ring *rx_ring, - struct xdp_buff *xdp, - struct ena_rx_buffer *rx_info) +static int ena_xdp_xmit(struct net_device *dev, int n, + struct xdp_frame **frames, u32 flags) +{ + struct ena_adapter *adapter = netdev_priv(dev); + int qid, i, err, drops = 0; + struct ena_ring *xdp_ring; + + if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) + return -EINVAL; + + if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags)) + return -ENETDOWN; + + /* We assume that all rings have the same XDP program */ + if (!READ_ONCE(adapter->rx_ring->xdp_bpf_prog)) + return -ENXIO; + + qid = smp_processor_id() % adapter->xdp_num_queues; + qid += adapter->xdp_first_ring; + xdp_ring = &adapter->tx_ring[qid]; + + /* Other CPU ids might try to send thorugh this queue */ + spin_lock(&xdp_ring->xdp_tx_lock); + + for (i = 0; i < n; i++) { + err = ena_xdp_xmit_frame(xdp_ring, dev, frames[i], 0); + /* The descriptor is freed by ena_xdp_xmit_frame in case + * of an error. + */ + if (err) + drops++; + } + + /* Ring doorbell to make device aware of the packets */ + if (flags & XDP_XMIT_FLUSH) { + ena_com_write_sq_doorbell(xdp_ring->ena_com_io_sq); + ena_increase_stat(&xdp_ring->tx_stats.doorbells, 1, + &xdp_ring->syncp); + } + + spin_unlock(&xdp_ring->xdp_tx_lock); + + /* Return number of packets sent */ + return n - drops; +} + +static int ena_xdp_execute(struct ena_ring *rx_ring, struct xdp_buff *xdp) { struct bpf_prog *xdp_prog; + struct ena_ring *xdp_ring; u32 verdict = XDP_PASS; + struct xdp_frame *xdpf; u64 *xdp_stat; + int qid; rcu_read_lock(); xdp_prog = READ_ONCE(rx_ring->xdp_bpf_prog); @@ -348,28 +398,49 @@ static int ena_xdp_execute(struct ena_ring *rx_ring, verdict = bpf_prog_run_xdp(xdp_prog, xdp); - if (verdict == XDP_TX) { - ena_xdp_xmit_buff(rx_ring->netdev, - xdp, - rx_ring->qid + rx_ring->adapter->num_io_queues, - rx_info); + switch (verdict) { + case XDP_TX: + xdpf = xdp_convert_buff_to_frame(xdp); + if (unlikely(!xdpf)) { + trace_xdp_exception(rx_ring->netdev, xdp_prog, verdict); + xdp_stat = &rx_ring->rx_stats.xdp_aborted; + break; + } + + /* Find xmit queue */ + qid = rx_ring->qid + rx_ring->adapter->num_io_queues; + xdp_ring = &rx_ring->adapter->tx_ring[qid]; + + /* The XDP queues are shared between XDP_TX and XDP_REDIRECT */ + spin_lock(&xdp_ring->xdp_tx_lock); + + ena_xdp_xmit_frame(xdp_ring, rx_ring->netdev, xdpf, XDP_XMIT_FLUSH); + spin_unlock(&xdp_ring->xdp_tx_lock); xdp_stat = &rx_ring->rx_stats.xdp_tx; - } else if (unlikely(verdict == XDP_ABORTED)) { + break; + case XDP_REDIRECT: + if (likely(!xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog))) { + xdp_stat = &rx_ring->rx_stats.xdp_redirect; + break; + } + fallthrough; + case XDP_ABORTED: trace_xdp_exception(rx_ring->netdev, xdp_prog, verdict); xdp_stat = &rx_ring->rx_stats.xdp_aborted; - } else if (unlikely(verdict == XDP_DROP)) { + break; + case XDP_DROP: xdp_stat = &rx_ring->rx_stats.xdp_drop; - } else if (unlikely(verdict == XDP_PASS)) { + break; + case XDP_PASS: xdp_stat = &rx_ring->rx_stats.xdp_pass; - } else { + break; + default: bpf_warn_invalid_xdp_action(verdict); xdp_stat = &rx_ring->rx_stats.xdp_invalid; } - u64_stats_update_begin(&rx_ring->syncp); - (*xdp_stat)++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(xdp_stat, 1, &rx_ring->syncp); out: rcu_read_unlock(); @@ -638,6 +709,7 @@ static void ena_init_io_rings(struct ena_adapter *adapter, txr->smoothed_interval = ena_com_get_nonadaptive_moderation_interval_tx(ena_dev); txr->disable_meta_caching = adapter->disable_meta_caching; + spin_lock_init(&txr->xdp_tx_lock); /* Don't init RX queues for xdp queues */ if (!ENA_IS_XDP_INDEX(adapter, i)) { @@ -922,9 +994,8 @@ static int ena_alloc_rx_page(struct ena_ring *rx_ring, page = alloc_page(gfp); if (unlikely(!page)) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.page_alloc_fail++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.page_alloc_fail, 1, + &rx_ring->syncp); return -ENOMEM; } @@ -934,9 +1005,8 @@ static int ena_alloc_rx_page(struct ena_ring *rx_ring, dma = dma_map_page(rx_ring->dev, page, 0, ENA_PAGE_SIZE, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(rx_ring->dev, dma))) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.dma_mapping_err++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.dma_mapping_err, 1, + &rx_ring->syncp); __free_page(page); return -EIO; @@ -952,11 +1022,20 @@ static int ena_alloc_rx_page(struct ena_ring *rx_ring, return 0; } +static void ena_unmap_rx_buff(struct ena_ring *rx_ring, + struct ena_rx_buffer *rx_info) +{ + struct ena_com_buf *ena_buf = &rx_info->ena_buf; + + dma_unmap_page(rx_ring->dev, ena_buf->paddr - rx_ring->rx_headroom, + ENA_PAGE_SIZE, + DMA_BIDIRECTIONAL); +} + static void ena_free_rx_page(struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info) { struct page *page = rx_info->page; - struct ena_com_buf *ena_buf = &rx_info->ena_buf; if (unlikely(!page)) { netif_warn(rx_ring->adapter, rx_err, rx_ring->netdev, @@ -964,9 +1043,7 @@ static void ena_free_rx_page(struct ena_ring *rx_ring, return; } - dma_unmap_page(rx_ring->dev, ena_buf->paddr - rx_ring->rx_headroom, - ENA_PAGE_SIZE, - DMA_BIDIRECTIONAL); + ena_unmap_rx_buff(rx_ring, rx_info); __free_page(page); rx_info->page = NULL; @@ -1009,9 +1086,8 @@ static int ena_refill_rx_bufs(struct ena_ring *rx_ring, u32 num) } if (unlikely(i < num)) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.refil_partial++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.refil_partial, 1, + &rx_ring->syncp); netif_warn(rx_ring->adapter, rx_err, rx_ring->netdev, "Refilled rx qid %d with only %d buffers (from %d)\n", rx_ring->qid, i, num); @@ -1187,9 +1263,7 @@ static int handle_invalid_req_id(struct ena_ring *ring, u16 req_id, "Invalid req_id: %hu\n", req_id); - u64_stats_update_begin(&ring->syncp); - ring->tx_stats.bad_req_id++; - u64_stats_update_end(&ring->syncp); + ena_increase_stat(&ring->tx_stats.bad_req_id, 1, &ring->syncp); /* Trigger device reset */ ring->adapter->reset_reason = ENA_REGS_RESET_INV_TX_REQ_ID; @@ -1300,9 +1374,8 @@ static int ena_clean_tx_irq(struct ena_ring *tx_ring, u32 budget) if (netif_tx_queue_stopped(txq) && above_thresh && test_bit(ENA_FLAG_DEV_UP, &tx_ring->adapter->flags)) { netif_tx_wake_queue(txq); - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.queue_wakeup++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.queue_wakeup, 1, + &tx_ring->syncp); } __netif_tx_unlock(txq); } @@ -1321,9 +1394,8 @@ static struct sk_buff *ena_alloc_skb(struct ena_ring *rx_ring, bool frags) rx_ring->rx_copybreak); if (unlikely(!skb)) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.skb_alloc_fail++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.skb_alloc_fail, 1, + &rx_ring->syncp); netif_dbg(rx_ring->adapter, rx_err, rx_ring->netdev, "Failed to allocate skb. frags: %d\n", frags); return NULL; @@ -1395,9 +1467,7 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring, return NULL; do { - dma_unmap_page(rx_ring->dev, - dma_unmap_addr(&rx_info->ena_buf, paddr), - ENA_PAGE_SIZE, DMA_BIDIRECTIONAL); + ena_unmap_rx_buff(rx_ring, rx_info); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_info->page, rx_info->page_offset, len, ENA_PAGE_SIZE); @@ -1451,9 +1521,8 @@ static void ena_rx_checksum(struct ena_ring *rx_ring, (ena_rx_ctx->l3_csum_err))) { /* ipv4 checksum error */ skb->ip_summed = CHECKSUM_NONE; - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.bad_csum++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.bad_csum, 1, + &rx_ring->syncp); netif_dbg(rx_ring->adapter, rx_err, rx_ring->netdev, "RX IPv4 header checksum error\n"); return; @@ -1464,9 +1533,8 @@ static void ena_rx_checksum(struct ena_ring *rx_ring, (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP))) { if (unlikely(ena_rx_ctx->l4_csum_err)) { /* TCP/UDP checksum error */ - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.bad_csum++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.bad_csum, 1, + &rx_ring->syncp); netif_dbg(rx_ring->adapter, rx_err, rx_ring->netdev, "RX L4 checksum error\n"); skb->ip_summed = CHECKSUM_NONE; @@ -1475,13 +1543,11 @@ static void ena_rx_checksum(struct ena_ring *rx_ring, if (likely(ena_rx_ctx->l4_csum_checked)) { skb->ip_summed = CHECKSUM_UNNECESSARY; - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.csum_good++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.csum_good, 1, + &rx_ring->syncp); } else { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.csum_unchecked++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.csum_unchecked, 1, + &rx_ring->syncp); skb->ip_summed = CHECKSUM_NONE; } } else { @@ -1529,7 +1595,7 @@ static int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp) if (unlikely(rx_ring->ena_bufs[0].len > ENA_XDP_MAX_MTU)) return XDP_DROP; - ret = ena_xdp_execute(rx_ring, xdp, rx_info); + ret = ena_xdp_execute(rx_ring, xdp); /* The xdp program might expand the headers */ if (ret == XDP_PASS) { @@ -1559,6 +1625,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, struct sk_buff *skb; int refill_required; struct xdp_buff xdp; + int xdp_flags = 0; int total_len = 0; int xdp_verdict; int rc = 0; @@ -1606,22 +1673,25 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, &next_to_clean); if (unlikely(!skb)) { - /* The page might not actually be freed here since the - * page reference count is incremented in - * ena_xdp_xmit_buff(), and it will be decreased only - * when send completion was received from the device - */ - if (xdp_verdict == XDP_TX) - ena_free_rx_page(rx_ring, - &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id]); for (i = 0; i < ena_rx_ctx.descs; i++) { - rx_ring->free_ids[next_to_clean] = - rx_ring->ena_bufs[i].req_id; + int req_id = rx_ring->ena_bufs[i].req_id; + + rx_ring->free_ids[next_to_clean] = req_id; next_to_clean = ENA_RX_RING_IDX_NEXT(next_to_clean, rx_ring->ring_size); + + /* Packets was passed for transmission, unmap it + * from RX side. + */ + if (xdp_verdict == XDP_TX || xdp_verdict == XDP_REDIRECT) { + ena_unmap_rx_buff(rx_ring, + &rx_ring->rx_buffer_info[req_id]); + rx_ring->rx_buffer_info[req_id].page = NULL; + } } if (xdp_verdict != XDP_PASS) { + xdp_flags |= xdp_verdict; res_budget--; continue; } @@ -1667,20 +1737,21 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, ena_refill_rx_bufs(rx_ring, refill_required); } + if (xdp_flags & XDP_REDIRECT) + xdp_do_flush_map(); + return work_done; error: adapter = netdev_priv(rx_ring->netdev); if (rc == -ENOSPC) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.bad_desc_num++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.bad_desc_num, 1, + &rx_ring->syncp); adapter->reset_reason = ENA_REGS_RESET_TOO_MANY_RX_DESCS; } else { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.bad_req_id++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.bad_req_id, 1, + &rx_ring->syncp); adapter->reset_reason = ENA_REGS_RESET_INV_RX_REQ_ID; } @@ -1741,9 +1812,8 @@ static void ena_unmask_interrupt(struct ena_ring *tx_ring, tx_ring->smoothed_interval, true); - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.unmask_interrupt++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.unmask_interrupt, 1, + &tx_ring->syncp); /* It is a shared MSI-X. * Tx and Rx CQ have pointer to it. @@ -1823,7 +1893,7 @@ static int ena_clean_xdp_irq(struct ena_ring *xdp_ring, u32 budget) tx_pkts++; total_done += tx_info->tx_descs; - __free_page(tx_info->xdp_rx_page); + xdp_return_frame(xdpf); xdp_ring->free_ids[next_to_clean] = req_id; next_to_clean = ENA_TX_RING_IDX_NEXT(next_to_clean, xdp_ring->ring_size); @@ -2550,9 +2620,8 @@ static int ena_up(struct ena_adapter *adapter) if (test_bit(ENA_FLAG_LINK_UP, &adapter->flags)) netif_carrier_on(adapter->netdev); - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.interface_up++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.interface_up, 1, + &adapter->syncp); set_bit(ENA_FLAG_DEV_UP, &adapter->flags); @@ -2590,9 +2659,8 @@ static void ena_down(struct ena_adapter *adapter) clear_bit(ENA_FLAG_DEV_UP, &adapter->flags); - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.interface_down++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.interface_down, 1, + &adapter->syncp); netif_carrier_off(adapter->netdev); netif_tx_disable(adapter->netdev); @@ -2820,15 +2888,12 @@ static int ena_check_and_linearize_skb(struct ena_ring *tx_ring, (header_len < tx_ring->tx_max_header_size)) return 0; - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.linearize++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.linearize, 1, &tx_ring->syncp); rc = skb_linearize(skb); if (unlikely(rc)) { - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.linearize_failed++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.linearize_failed, 1, + &tx_ring->syncp); } return rc; @@ -2868,9 +2933,8 @@ static int ena_tx_map_skb(struct ena_ring *tx_ring, tx_ring->push_buf_intermediate_buf); *header_len = push_len; if (unlikely(skb->data != *push_hdr)) { - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.llq_buffer_copy++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.llq_buffer_copy, 1, + &tx_ring->syncp); delta = push_len - skb_head_len; } @@ -2927,9 +2991,8 @@ static int ena_tx_map_skb(struct ena_ring *tx_ring, return 0; error_report_dma_error: - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.dma_mapping_err++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.dma_mapping_err, 1, + &tx_ring->syncp); netif_warn(adapter, tx_queued, adapter->netdev, "Failed to map skb\n"); tx_info->skb = NULL; @@ -3006,9 +3069,8 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev) __func__, qid); netif_tx_stop_queue(txq); - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.queue_stop++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.queue_stop, 1, + &tx_ring->syncp); /* There is a rare condition where this function decide to * stop the queue but meanwhile clean_tx_irq updates @@ -3023,9 +3085,8 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev) if (ena_com_sq_have_enough_space(tx_ring->ena_com_io_sq, ENA_TX_WAKEUP_THRESH)) { netif_tx_wake_queue(txq); - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.queue_wakeup++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.queue_wakeup, 1, + &tx_ring->syncp); } } @@ -3034,9 +3095,8 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev) * has a mb */ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq); - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.doorbells++; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.doorbells, 1, + &tx_ring->syncp); } return NETDEV_TX_OK; @@ -3242,6 +3302,7 @@ static const struct net_device_ops ena_netdev_ops = { .ndo_set_mac_address = NULL, .ndo_validate_addr = eth_validate_addr, .ndo_bpf = ena_xdp, + .ndo_xdp_xmit = ena_xdp_xmit, }; static int ena_device_validate_params(struct ena_adapter *adapter, @@ -3671,9 +3732,8 @@ static int check_missing_comp_in_tx_queue(struct ena_adapter *adapter, rc = -EIO; } - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->tx_stats.missed_tx += missed_tx; - u64_stats_update_end(&tx_ring->syncp); + ena_increase_stat(&tx_ring->tx_stats.missed_tx, missed_tx, + &tx_ring->syncp); return rc; } @@ -3756,9 +3816,8 @@ static void check_for_empty_rx_ring(struct ena_adapter *adapter) rx_ring->empty_rx_queue++; if (rx_ring->empty_rx_queue >= EMPTY_RX_REFILL) { - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->rx_stats.empty_rx_ring++; - u64_stats_update_end(&rx_ring->syncp); + ena_increase_stat(&rx_ring->rx_stats.empty_rx_ring, 1, + &rx_ring->syncp); netif_err(adapter, drv, adapter->netdev, "Trigger refill for ring %d\n", i); @@ -3788,9 +3847,8 @@ static void check_for_missing_keep_alive(struct ena_adapter *adapter) if (unlikely(time_is_before_jiffies(keep_alive_expired))) { netif_err(adapter, drv, adapter->netdev, "Keep alive watchdog timeout.\n"); - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.wd_expired++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.wd_expired, 1, + &adapter->syncp); adapter->reset_reason = ENA_REGS_RESET_KEEP_ALIVE_TO; set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags); } @@ -3801,9 +3859,8 @@ static void check_for_admin_com_state(struct ena_adapter *adapter) if (unlikely(!ena_com_get_admin_running_state(adapter->ena_dev))) { netif_err(adapter, drv, adapter->netdev, "ENA admin queue is not in running state!\n"); - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.admin_q_pause++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.admin_q_pause, 1, + &adapter->syncp); adapter->reset_reason = ENA_REGS_RESET_ADMIN_TO; set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags); } @@ -4176,18 +4233,36 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ena_dev->dmadev = &pdev->dev; + netdev = alloc_etherdev_mq(sizeof(struct ena_adapter), ENA_MAX_RINGS); + if (!netdev) { + dev_err(&pdev->dev, "alloc_etherdev_mq failed\n"); + rc = -ENOMEM; + goto err_free_region; + } + + SET_NETDEV_DEV(netdev, &pdev->dev); + adapter = netdev_priv(netdev); + adapter->ena_dev = ena_dev; + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); + + ena_dev->net_device = netdev; + + pci_set_drvdata(pdev, adapter); + rc = ena_device_init(ena_dev, pdev, &get_feat_ctx, &wd_state); if (rc) { dev_err(&pdev->dev, "ENA device init failed\n"); if (rc == -ETIME) rc = -EPROBE_DEFER; - goto err_free_region; + goto err_netdev_destroy; } rc = ena_map_llq_mem_bar(pdev, ena_dev, bars); if (rc) { dev_err(&pdev->dev, "ENA llq bar mapping failed\n"); - goto err_free_ena_dev; + goto err_device_destroy; } calc_queue_ctx.ena_dev = ena_dev; @@ -4207,26 +4282,8 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_device_destroy; } - /* dev zeroed in init_etherdev */ - netdev = alloc_etherdev_mq(sizeof(struct ena_adapter), max_num_io_queues); - if (!netdev) { - dev_err(&pdev->dev, "alloc_etherdev_mq failed\n"); - rc = -ENOMEM; - goto err_device_destroy; - } - - SET_NETDEV_DEV(netdev, &pdev->dev); - - adapter = netdev_priv(netdev); - pci_set_drvdata(pdev, adapter); - - adapter->ena_dev = ena_dev; - adapter->netdev = netdev; - adapter->pdev = pdev; - ena_set_conf_feat_params(adapter, &get_feat_ctx); - adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); adapter->reset_reason = ENA_REGS_RESET_NORMAL; adapter->requested_tx_ring_size = calc_queue_ctx.tx_queue_size; @@ -4257,7 +4314,7 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) { dev_err(&pdev->dev, "Failed to query interrupt moderation feature\n"); - goto err_netdev_destroy; + goto err_device_destroy; } ena_init_io_rings(adapter, 0, @@ -4335,11 +4392,11 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ena_disable_msix(adapter); err_worker_destroy: del_timer(&adapter->timer_service); -err_netdev_destroy: - free_netdev(netdev); err_device_destroy: ena_com_delete_host_info(ena_dev); ena_com_admin_destroy(ena_dev); +err_netdev_destroy: + free_netdev(netdev); err_free_region: ena_release_bars(ena_dev, pdev); err_free_ena_dev: @@ -4439,9 +4496,7 @@ static int __maybe_unused ena_suspend(struct device *dev_d) struct pci_dev *pdev = to_pci_dev(dev_d); struct ena_adapter *adapter = pci_get_drvdata(pdev); - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.suspend++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.suspend, 1, &adapter->syncp); rtnl_lock(); if (unlikely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) { @@ -4462,9 +4517,7 @@ static int __maybe_unused ena_resume(struct device *dev_d) struct ena_adapter *adapter = dev_get_drvdata(dev_d); int rc; - u64_stats_update_begin(&adapter->syncp); - adapter->dev_stats.resume++; - u64_stats_update_end(&adapter->syncp); + ena_increase_stat(&adapter->dev_stats.resume, 1, &adapter->syncp); rtnl_lock(); rc = ena_restore_device(adapter); diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index 30eb686749dcdd9c8893c44464fdbaf0acbfb466..74af15d62ee11cc37452126045a014655b1a98f4 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -170,12 +170,6 @@ struct ena_tx_buffer { * the xdp queues */ struct xdp_frame *xdpf; - /* The rx page for the rx buffer that was received in rx and - * re transmitted on xdp tx queues as a result of XDP_TX action. - * We need to free the page once we finished cleaning the buffer in - * clean_xdp_irq() - */ - struct page *xdp_rx_page; /* Indicate if bufs[0] map the linear data of the skb. */ u8 map_linear_data; @@ -239,6 +233,7 @@ struct ena_stats_rx { u64 xdp_pass; u64 xdp_tx; u64 xdp_invalid; + u64 xdp_redirect; }; struct ena_ring { @@ -263,6 +258,7 @@ struct ena_ring { struct ena_com_io_sq *ena_com_io_sq; struct bpf_prog *xdp_bpf_prog; struct xdp_rxq_info xdp_rxq; + spinlock_t xdp_tx_lock; /* synchronize XDP TX/Redirect traffic */ u16 next_to_use; u16 next_to_clean; @@ -433,8 +429,8 @@ static inline bool ena_xdp_present_ring(struct ena_ring *ring) return !!ring->xdp_bpf_prog; } -static inline int ena_xdp_legal_queue_count(struct ena_adapter *adapter, - u32 queues) +static inline bool ena_xdp_legal_queue_count(struct ena_adapter *adapter, + u32 queues) { return 2 * queues <= adapter->max_num_io_queues; }