ENA_ADMIN_RESOURCE_BUSY = 7,
};
+/* subcommands for the set/get feature admin commands */
enum ena_admin_aq_feature_id {
ENA_ADMIN_DEVICE_ATTRIBUTES = 1,
ENA_ADMIN_MAX_QUEUES_NUM = 2,
u16 extended_status;
/* indicates to the driver which AQ entry has been consumed by the
- * device and could be reused
+ * device and could be reused
*/
u16 sq_head_indx;
};
*/
u8 sq_caps_3;
- /* associated completion queue id. This CQ must be created prior to
- * SQ creation
+ /* associated completion queue id. This CQ must be created prior to SQ
+ * creation
*/
u16 cq_idx;
u16 queue_idx;
/* device id, value 0xFFFF means mine. only privileged device can get
- * stats of other device
+ * stats of other device
*/
u16 device_id;
};
u32 device_version;
- /* bitmap of ena_admin_aq_feature_id */
+ /* bitmap of ena_admin_aq_feature_id, which represents supported
+ * subcommands for the set/get feature admin commands.
+ */
u32 supported_features;
u32 reserved3;
u32 max_llq_depth;
- /* specify the header locations the device supports. bitfield of
- * enum ena_admin_llq_header_location.
+ /* specify the header locations the device supports. bitfield of enum
+ * ena_admin_llq_header_location.
*/
u16 header_location_ctrl_supported;
/* the header location the driver selected to use. */
u16 header_location_ctrl_enabled;
- /* if inline header is specified - this is the size of descriptor
- * list entry. If header in a separate ring is specified - this is
- * the size of header ring entry. bitfield of enum
- * ena_admin_llq_ring_entry_size. specify the entry sizes the device
- * supports
+ /* if inline header is specified - this is the size of descriptor list
+ * entry. If header in a separate ring is specified - this is the size
+ * of header ring entry. bitfield of enum ena_admin_llq_ring_entry_size.
+ * specify the entry sizes the device supports
*/
u16 entry_size_ctrl_supported;
/* the entry size the driver selected to use. */
u16 entry_size_ctrl_enabled;
- /* valid only if inline header is specified. First entry associated
- * with the packet includes descriptors and header. Rest of the
- * entries occupied by descriptors. This parameter defines the max
- * number of descriptors precedding the header in the first entry.
- * The field is bitfield of enum
- * ena_admin_llq_num_descs_before_header and specify the values the
- * device supports
+ /* valid only if inline header is specified. First entry associated with
+ * the packet includes descriptors and header. Rest of the entries
+ * occupied by descriptors. This parameter defines the max number of
+ * descriptors precedding the header in the first entry. The field is
+ * bitfield of enum ena_admin_llq_num_descs_before_header and specify
+ * the values the device supports
*/
u16 desc_num_before_header_supported;
u16 desc_num_before_header_enabled;
/* valid only if inline was chosen. bitfield of enum
- * ena_admin_llq_stride_ctrl
+ * ena_admin_llq_stride_ctrl
*/
u16 descriptors_stride_ctrl_supported;
u32 max_tx_header_size;
- /* Maximum Descriptors number, including meta descriptor, allowed for
- * a single Tx packet
+ /* Maximum Descriptors number, including meta descriptor, allowed for a
+ * single Tx packet
*/
u16 max_per_packet_tx_descs;
u32 max_header_size;
- /* Maximum Descriptors number, including meta descriptor, allowed for
- * a single Tx packet
+ /* Maximum Descriptors number, including meta descriptor, allowed for a
+ * single Tx packet
*/
u16 max_packet_tx_descs;
struct ena_admin_aenq_common_desc {
u16 group;
- u16 syndrom;
+ u16 syndrome;
/* 0 : phase
* 7:1 : reserved - MBZ
ENA_ADMIN_AENQ_GROUPS_NUM = 5,
};
-enum ena_admin_aenq_notification_syndrom {
+enum ena_admin_aenq_notification_syndrome {
ENA_ADMIN_SUSPEND = 0,
ENA_ADMIN_RESUME = 1,
ENA_ADMIN_UPDATE_HINTS = 2,
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");
+ pr_err("DMA address has more bits that the device supports\n");
return -EINVAL;
}
return 0;
}
-static int ena_com_admin_init_sq(struct ena_com_admin_queue *queue)
+static int ena_com_admin_init_sq(struct ena_com_admin_queue *admin_queue)
{
- struct ena_com_admin_sq *sq = &queue->sq;
- u16 size = ADMIN_SQ_SIZE(queue->q_depth);
+ struct ena_com_admin_sq *sq = &admin_queue->sq;
+ u16 size = ADMIN_SQ_SIZE(admin_queue->q_depth);
- sq->entries = dma_alloc_coherent(queue->q_dmadev, size, &sq->dma_addr,
- GFP_KERNEL);
+ sq->entries = dma_alloc_coherent(admin_queue->q_dmadev, size,
+ &sq->dma_addr, GFP_KERNEL);
if (!sq->entries) {
- pr_err("memory allocation failed\n");
+ pr_err("Memory allocation failed\n");
return -ENOMEM;
}
return 0;
}
-static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue)
+static int ena_com_admin_init_cq(struct ena_com_admin_queue *admin_queue)
{
- struct ena_com_admin_cq *cq = &queue->cq;
- u16 size = ADMIN_CQ_SIZE(queue->q_depth);
+ struct ena_com_admin_cq *cq = &admin_queue->cq;
+ u16 size = ADMIN_CQ_SIZE(admin_queue->q_depth);
- cq->entries = dma_alloc_coherent(queue->q_dmadev, size, &cq->dma_addr,
- GFP_KERNEL);
+ cq->entries = dma_alloc_coherent(admin_queue->q_dmadev, size,
+ &cq->dma_addr, GFP_KERNEL);
if (!cq->entries) {
- pr_err("memory allocation failed\n");
+ pr_err("Memory allocation failed\n");
return -ENOMEM;
}
return 0;
}
-static int ena_com_admin_init_aenq(struct ena_com_dev *dev,
+static int ena_com_admin_init_aenq(struct ena_com_dev *ena_dev,
struct ena_aenq_handlers *aenq_handlers)
{
- struct ena_com_aenq *aenq = &dev->aenq;
+ struct ena_com_aenq *aenq = &ena_dev->aenq;
u32 addr_low, addr_high, aenq_caps;
u16 size;
- dev->aenq.q_depth = ENA_ASYNC_QUEUE_DEPTH;
+ ena_dev->aenq.q_depth = ENA_ASYNC_QUEUE_DEPTH;
size = ADMIN_AENQ_SIZE(ENA_ASYNC_QUEUE_DEPTH);
- aenq->entries = dma_alloc_coherent(dev->dmadev, size, &aenq->dma_addr,
- GFP_KERNEL);
+ aenq->entries = dma_alloc_coherent(ena_dev->dmadev, size,
+ &aenq->dma_addr, GFP_KERNEL);
if (!aenq->entries) {
- pr_err("memory allocation failed\n");
+ pr_err("Memory allocation failed\n");
return -ENOMEM;
}
addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(aenq->dma_addr);
addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(aenq->dma_addr);
- writel(addr_low, dev->reg_bar + ENA_REGS_AENQ_BASE_LO_OFF);
- writel(addr_high, dev->reg_bar + ENA_REGS_AENQ_BASE_HI_OFF);
+ writel(addr_low, ena_dev->reg_bar + ENA_REGS_AENQ_BASE_LO_OFF);
+ writel(addr_high, ena_dev->reg_bar + ENA_REGS_AENQ_BASE_HI_OFF);
aenq_caps = 0;
- aenq_caps |= dev->aenq.q_depth & ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK;
+ aenq_caps |= ena_dev->aenq.q_depth & ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK;
aenq_caps |= (sizeof(struct ena_admin_aenq_entry)
<< ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT) &
ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK;
- writel(aenq_caps, dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF);
+ writel(aenq_caps, ena_dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF);
if (unlikely(!aenq_handlers)) {
- pr_err("aenq handlers pointer is NULL\n");
+ pr_err("AENQ handlers pointer is NULL\n");
return -EINVAL;
}
atomic_dec(&queue->outstanding_cmds);
}
-static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue,
+static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *admin_queue,
u16 command_id, bool capture)
{
- if (unlikely(command_id >= queue->q_depth)) {
- pr_err("command id is larger than the queue size. cmd_id: %u queue size %d\n",
- command_id, queue->q_depth);
+ 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);
return NULL;
}
- if (unlikely(!queue->comp_ctx)) {
+ if (unlikely(!admin_queue->comp_ctx)) {
pr_err("Completion context is NULL\n");
return NULL;
}
- if (unlikely(queue->comp_ctx[command_id].occupied && capture)) {
+ if (unlikely(admin_queue->comp_ctx[command_id].occupied && capture)) {
pr_err("Completion context is occupied\n");
return NULL;
}
if (capture) {
- atomic_inc(&queue->outstanding_cmds);
- queue->comp_ctx[command_id].occupied = true;
+ atomic_inc(&admin_queue->outstanding_cmds);
+ admin_queue->comp_ctx[command_id].occupied = true;
}
- return &queue->comp_ctx[command_id];
+ return &admin_queue->comp_ctx[command_id];
}
static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue,
/* 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");
+ pr_debug("Admin queue is full.\n");
admin_queue->stats.out_of_space++;
return ERR_PTR(-ENOSPC);
}
return comp_ctx;
}
-static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue)
+static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *admin_queue)
{
- size_t size = queue->q_depth * sizeof(struct ena_comp_ctx);
+ size_t size = admin_queue->q_depth * sizeof(struct ena_comp_ctx);
struct ena_comp_ctx *comp_ctx;
u16 i;
- queue->comp_ctx = devm_kzalloc(queue->q_dmadev, size, GFP_KERNEL);
- if (unlikely(!queue->comp_ctx)) {
- pr_err("memory allocation failed\n");
+ 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");
return -ENOMEM;
}
- for (i = 0; i < queue->q_depth; i++) {
- comp_ctx = get_comp_ctxt(queue, i, false);
+ for (i = 0; i < admin_queue->q_depth; i++) {
+ comp_ctx = get_comp_ctxt(admin_queue, i, false);
if (comp_ctx)
init_completion(&comp_ctx->wait_event);
}
}
if (!io_sq->desc_addr.virt_addr) {
- pr_err("memory allocation failed\n");
+ pr_err("Memory allocation failed\n");
return -ENOMEM;
}
}
devm_kzalloc(ena_dev->dmadev, size, GFP_KERNEL);
if (!io_sq->bounce_buf_ctrl.base_buffer) {
- pr_err("bounce buffer memory allocation failed\n");
+ pr_err("Bounce buffer memory allocation failed\n");
return -ENOMEM;
}
}
if (!io_cq->cdesc_addr.virt_addr) {
- pr_err("memory allocation failed\n");
+ pr_err("Memory allocation failed\n");
return -ENOMEM;
}
static int ena_com_comp_status_to_errno(u8 comp_status)
{
if (unlikely(comp_status != 0))
- pr_err("admin command failed[%u]\n", comp_status);
+ pr_err("Admin command failed[%u]\n", comp_status);
switch (comp_status) {
case ENA_ADMIN_SUCCESS:
/* 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);
+ pr_err("Illegal entry size %d\n", llq_info->desc_list_entry_size);
return -EINVAL;
}
}
if (unlikely(i == timeout)) {
- pr_err("reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n",
+ 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);
ret = ENA_MMIO_READ_TIMEOUT;
sizeof(destroy_resp));
if (unlikely(ret && (ret != -ENODEV)))
- pr_err("failed to destroy io sq error: %d\n", ret);
+ pr_err("Failed to destroy io sq error: %d\n", ret);
return ret;
}
&get_cmd.control_buffer.address,
control_buf_dma_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
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",
+ 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);
return -EINVAL;
&create_cmd.sq_ba,
io_sq->desc_addr.phys_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
}
cmd_completion.llq_descriptors_offset);
}
- pr_debug("created sq[%u], depth[%u]\n", io_sq->idx, io_sq->q_depth);
+ pr_debug("Created sq[%u], depth[%u]\n", io_sq->idx, io_sq->q_depth);
return ret;
}
&create_cmd.cq_ba,
io_cq->cdesc_addr.phys_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
(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);
+ pr_debug("Created cq[%u], depth[%u]\n", io_cq->idx, io_cq->q_depth);
return ret;
}
return -ETIME;
}
- pr_info("ena device version: %d.%d\n",
+ 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);
- pr_info("ena controller version: %d.%d.%d implementation version %d\n",
+ 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) >>
return 0;
}
+static void
+ena_com_free_ena_admin_queue_comp_ctx(struct ena_com_dev *ena_dev,
+ struct ena_com_admin_queue *admin_queue)
+
+{
+ if (!admin_queue->comp_ctx)
+ return;
+
+ devm_kfree(ena_dev->dmadev, admin_queue->comp_ctx);
+
+ admin_queue->comp_ctx = NULL;
+}
+
void ena_com_admin_destroy(struct ena_com_dev *ena_dev)
{
struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue;
struct ena_com_aenq *aenq = &ena_dev->aenq;
u16 size;
- if (admin_queue->comp_ctx)
- devm_kfree(ena_dev->dmadev, admin_queue->comp_ctx);
- admin_queue->comp_ctx = NULL;
+ ena_com_free_ena_admin_queue_comp_ctx(ena_dev, admin_queue);
+
size = ADMIN_SQ_SIZE(admin_queue->q_depth);
if (sq->entries)
dma_free_coherent(ena_dev->dmadev, size, sq->entries,
memcpy(&get_feat_ctx->dev_attr, &get_resp.u.dev_attr,
sizeof(get_resp.u.dev_attr));
+
ena_dev->supported_features = get_resp.u.dev_attr.supported_features;
if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
/* ena_handle_specific_aenq_event:
* return the handler that is relevant to the specific event group
*/
-static ena_aenq_handler ena_com_get_specific_aenq_cb(struct ena_com_dev *dev,
+static ena_aenq_handler ena_com_get_specific_aenq_cb(struct ena_com_dev *ena_dev,
u16 group)
{
- struct ena_aenq_handlers *aenq_handlers = dev->aenq.aenq_handlers;
+ struct ena_aenq_handlers *aenq_handlers = ena_dev->aenq.aenq_handlers;
if ((group < ENA_MAX_HANDLERS) && aenq_handlers->handlers[group])
return aenq_handlers->handlers[group];
* handles the aenq incoming events.
* pop events from the queue and apply the specific handler
*/
-void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data)
+void ena_com_aenq_intr_handler(struct ena_com_dev *ena_dev, void *data)
{
struct ena_admin_aenq_entry *aenq_e;
struct ena_admin_aenq_common_desc *aenq_common;
- struct ena_com_aenq *aenq = &dev->aenq;
+ struct ena_com_aenq *aenq = &ena_dev->aenq;
u64 timestamp;
ena_aenq_handler handler_cb;
u16 masked_head, processed = 0;
dma_rmb();
timestamp = (u64)aenq_common->timestamp_low |
- ((u64)aenq_common->timestamp_high << 32);
- pr_debug("AENQ! Group[%x] Syndrom[%x] timestamp: [%llus]\n",
- aenq_common->group, aenq_common->syndrom, timestamp);
+ ((u64)aenq_common->timestamp_high << 32);
+
+ pr_debug("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(dev,
+ handler_cb = ena_com_get_specific_aenq_cb(ena_dev,
aenq_common->group);
handler_cb(data, aenq_e); /* call the actual event handler*/
/* write the aenq doorbell after all AENQ descriptors were read */
mb();
- writel_relaxed((u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
+ writel_relaxed((u32)aenq->head,
+ ena_dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
}
int ena_com_dev_reset(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");
+ pr_err("Memory address set failed\n");
return ret;
}
&cmd.control_buffer.address,
rss->hash_ctrl_dma_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
cmd.control_buffer.length = sizeof(*hash_ctrl);
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",
+ 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);
return -EOPNOTSUPP;
/* 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",
+ pr_err("Proto %d doesn't support the required fields %x. supports only: %x\n",
proto, hash_fields, supported_fields);
}
&cmd.control_buffer.address,
rss->rss_ind_tbl_dma_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
host_attr->debug_area_virt_addr =
dma_alloc_coherent(ena_dev->dmadev, debug_area_size,
- &host_attr->debug_area_dma_addr,
- GFP_KERNEL);
+ &host_attr->debug_area_dma_addr, GFP_KERNEL);
if (unlikely(!host_attr->debug_area_virt_addr)) {
host_attr->debug_area_size = 0;
return -ENOMEM;
&cmd.u.host_attr.debug_ba,
host_attr->debug_area_dma_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
&cmd.u.host_attr.os_info_ba,
host_attr->host_info_dma_addr);
if (unlikely(ret)) {
- pr_err("memory address set failed\n");
+ pr_err("Memory address set failed\n");
return ret;
}
(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");
+ pr_err("The size of the LLQ entry is smaller than needed\n");
return -EINVAL;
}
* This method goes over the async event notification queue and calls the proper
* aenq handler.
*/
-void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data);
+void ena_com_aenq_intr_handler(struct ena_com_dev *ena_dev, void *data);
/* ena_com_abort_admin_commands - Abort all the outstanding admin commands.
* @ena_dev: ENA communication layer struct
cdesc = (struct ena_eth_io_rx_cdesc_base *)(io_cq->cdesc_addr.virt_addr
+ (head_masked * io_cq->cdesc_entry_size_in_bytes));
- desc_phase = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >>
- ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT;
+ desc_phase = (READ_ONCE(cdesc->status) &
+ ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >>
+ ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT;
if (desc_phase != expected_phase)
return NULL;
}
io_sq->entries_in_tx_burst_left--;
- pr_debug("decreasing entries_in_tx_burst_left of queue %d to %d\n",
+ pr_debug("Decreasing entries_in_tx_burst_left of queue %d to %d\n",
io_sq->qid, io_sq->entries_in_tx_burst_left);
}
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");
+ pr_err("Trying to write header larger than llq entry can accommodate\n");
return -EFAULT;
}
if (unlikely(!bounce_buffer)) {
- pr_err("bounce buffer is NULL\n");
+ pr_err("Bounce buffer is NULL\n");
return -EFAULT;
}
bounce_buffer = pkt_ctrl->curr_bounce_buf;
if (unlikely(!bounce_buffer)) {
- pr_err("bounce buffer is NULL\n");
+ pr_err("Bounce buffer is NULL\n");
return NULL;
}
ena_com_cq_inc_head(io_cq);
count++;
- last = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >>
- ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT;
+ last = (READ_ONCE(cdesc->status) &
+ ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >>
+ ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT;
} while (!last);
if (last) {
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",
+ pr_debug("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;
}
static void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx,
- struct ena_eth_io_rx_cdesc_base *cdesc)
+ struct ena_eth_io_rx_cdesc_base *cdesc)
{
ena_rx_ctx->l3_proto = cdesc->status &
ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK;
(cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >>
ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT;
- pr_debug("ena_rx_ctx->l3_proto %d ena_rx_ctx->l4_proto %d\nena_rx_ctx->l3_csum_err %d ena_rx_ctx->l4_csum_err %d\nhash frag %d frag: %d cdesc_status: %x\n",
+ 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);
}
if (unlikely(header_len > io_sq->tx_max_header_size)) {
- pr_err("header size is too large %d max header: %d\n",
+ pr_err("Header size is too large %d max header: %d\n",
header_len, io_sq->tx_max_header_size);
return -EINVAL;
}
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");
+ pr_err("Failed to create and store tx meta desc\n");
return rc;
}
return 0;
}
- pr_debug("fetch rx packet: queue %d completed desc: %d\n", io_cq->qid,
+ pr_debug("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)) {
desc->length = ena_buf->len;
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_LAST_MASK |
+ (io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK) |
+ ENA_ETH_IO_RX_DESC_COMP_REQ_MASK;
desc->req_id = req_id;
llq_info->descs_per_entry);
}
- pr_debug("queue: %d num_descs: %d num_entries_needed: %d\n", io_sq->qid,
+ pr_debug("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;
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",
+ pr_debug("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",
+ pr_debug("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;
}
GFP_ATOMIC);
if (!strings_buf) {
netif_err(adapter, drv, netdev,
- "failed to alloc strings_buf\n");
+ "Failed to allocate strings_buf\n");
return;
}
ret = ena_com_set_dev_mtu(adapter->ena_dev, new_mtu);
if (!ret) {
- netif_dbg(adapter, drv, dev, "set MTU to %d\n", new_mtu);
+ netif_dbg(adapter, drv, dev, "Set MTU to %d\n", new_mtu);
update_rx_ring_mtu(adapter, new_mtu);
dev->mtu = new_mtu;
} else {
*/
if (unlikely(rc)) {
netif_err(adapter, tx_queued, dev,
- "failed to prepare tx bufs\n");
+ "Failed to prepare tx bufs\n");
u64_stats_update_begin(&ring->syncp);
ring->tx_stats.prepare_ctx_err++;
u64_stats_update_end(&ring->syncp);
u64_stats_update_begin(&xdp_ring->syncp);
xdp_ring->tx_stats.dma_mapping_err++;
u64_stats_update_end(&xdp_ring->syncp);
- netif_warn(adapter, tx_queued, adapter->netdev, "failed to map xdp buff\n");
+ netif_warn(adapter, tx_queued, adapter->netdev, "Failed to map xdp buff\n");
xdp_return_frame_rx_napi(tx_info->xdpf);
tx_info->xdpf = NULL;
if (!old_bpf_prog)
netif_info(adapter, drv, adapter->netdev,
- "xdp program set, changing the max_mtu from %d to %d",
+ "XDP program is set, changing the max_mtu from %d to %d",
prev_mtu, netdev->max_mtu);
} else if (rc == ENA_XDP_CURRENT_MTU_TOO_LARGE) {
return -EIO;
}
netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
- "alloc page %p, rx_info %p\n", page, rx_info);
+ "Allocate page %p, rx_info %p\n", page, rx_info);
rx_info->page = page;
rx_info->page_offset = 0;
GFP_ATOMIC | __GFP_COMP);
if (unlikely(rc < 0)) {
netif_warn(rx_ring->adapter, rx_err, rx_ring->netdev,
- "failed to alloc buffer for rx queue %d\n",
+ "Failed to allocate buffer for rx queue %d\n",
rx_ring->qid);
break;
}
req_id);
if (unlikely(rc)) {
netif_warn(rx_ring->adapter, rx_status, rx_ring->netdev,
- "failed to add buffer for rx queue %d\n",
+ "Failed to add buffer for rx queue %d\n",
rx_ring->qid);
break;
}
rx_ring->rx_stats.refil_partial++;
u64_stats_update_end(&rx_ring->syncp);
netif_warn(rx_ring->adapter, rx_err, rx_ring->netdev,
- "refilled rx qid %d with only %d buffers (from %d)\n",
+ "Refilled rx qid %d with only %d buffers (from %d)\n",
rx_ring->qid, i, num);
}
if (unlikely(rc != bufs_num))
netif_warn(rx_ring->adapter, rx_status, rx_ring->netdev,
- "refilling Queue %d failed. allocated %d buffers from: %d\n",
+ "Refilling Queue %d failed. allocated %d buffers from: %d\n",
i, rc, bufs_num);
}
}
if (print_once) {
netif_notice(tx_ring->adapter, ifdown, tx_ring->netdev,
- "free uncompleted tx skb qid %d idx 0x%x\n",
+ "Free uncompleted tx skb qid %d idx 0x%x\n",
tx_ring->qid, i);
print_once = false;
} else {
netif_dbg(tx_ring->adapter, ifdown, tx_ring->netdev,
- "free uncompleted tx skb qid %d idx 0x%x\n",
+ "Free uncompleted tx skb qid %d idx 0x%x\n",
tx_ring->qid, i);
}
return NULL;
netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
- "rx allocated small packet. len %d. data_len %d\n",
+ "RX allocated small packet. len %d. data_len %d\n",
skb->len, skb->data_len);
/* sync this buffer for CPU use */
rx_info->page_offset = 0;
netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
- "rx skb updated. len %d. data_len %d\n",
+ "RX skb updated. len %d. data_len %d\n",
skb->len, skb->data_len);
rx_info->page = NULL;
&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]);
u64_stats_update_begin(&tx_ring->syncp);
tx_ring->tx_stats.unmask_interrupt++;
u64_stats_update_end(&tx_ring->syncp);
+
/* It is a shared MSI-X.
* Tx and Rx CQ have pointer to it.
* So we use one of them to reach the intr reg
/* Reserved the max msix vectors we might need */
msix_vecs = ENA_MAX_MSIX_VEC(adapter->max_num_io_queues);
netif_dbg(adapter, probe, adapter->netdev,
- "trying to enable MSI-X, vectors %d\n", msix_vecs);
+ "Trying to enable MSI-X, vectors %d\n", msix_vecs);
irq_cnt = pci_alloc_irq_vectors(adapter->pdev, ENA_MIN_MSIX_VEC,
msix_vecs, PCI_IRQ_MSIX);
if (irq_cnt != msix_vecs) {
netif_notice(adapter, probe, adapter->netdev,
- "enable only %d MSI-X (out of %d), reduce the number of queues\n",
+ "Enable only %d MSI-X (out of %d), reduce the number of queues\n",
irq_cnt, msix_vecs);
adapter->num_io_queues = irq_cnt - ENA_ADMIN_MSIX_VEC;
}
irq->data);
if (rc) {
netif_err(adapter, probe, adapter->netdev,
- "failed to request admin irq\n");
+ "Failed to request admin irq\n");
return rc;
}
netif_dbg(adapter, probe, adapter->netdev,
- "set affinity hint of mgmnt irq.to 0x%lx (irq vector: %d)\n",
+ "Set affinity hint of mgmnt irq.to 0x%lx (irq vector: %d)\n",
irq->affinity_hint_mask.bits[0], irq->vector);
irq_set_affinity_hint(irq->vector, &irq->affinity_hint_mask);
}
netif_dbg(adapter, ifup, adapter->netdev,
- "set affinity hint of irq. index %d to 0x%lx (irq vector: %d)\n",
+ "Set affinity hint of irq. index %d to 0x%lx (irq vector: %d)\n",
i, irq->affinity_hint_mask.bits[0], irq->vector);
irq_set_affinity_hint(irq->vector, &irq->affinity_hint_mask);
u64_stats_update_begin(&tx_ring->syncp);
tx_ring->tx_stats.dma_mapping_err++;
u64_stats_update_end(&tx_ring->syncp);
- netif_warn(adapter, tx_queued, adapter->netdev, "failed to map skb\n");
+ netif_warn(adapter, tx_queued, adapter->netdev, "Failed to map skb\n");
tx_info->skb = NULL;
rc = ena_com_mmio_reg_read_request_init(ena_dev);
if (rc) {
- dev_err(dev, "failed to init mmio read less\n");
+ dev_err(dev, "Failed to init mmio read less\n");
return rc;
}
rc = ena_com_validate_version(ena_dev);
if (rc) {
- dev_err(dev, "device version is too low\n");
+ dev_err(dev, "Device version is too low\n");
goto err_mmio_read_less;
}
rc = ena_set_queues_placement_policy(pdev, ena_dev, &get_feat_ctx->llq,
&llq_config);
if (rc) {
- dev_err(&pdev->dev, "ena device init failed\n");
+ dev_err(dev, "ENA device init failed\n");
goto err_admin_init;
}
u64_stats_update_end(&rx_ring->syncp);
netif_err(adapter, drv, adapter->netdev,
- "trigger refill for ring %d\n", i);
+ "Trigger refill for ring %d\n", i);
napi_schedule(rx_ring->napi);
rx_ring->empty_rx_queue = 0;
pci_resource_start(pdev, ENA_REG_BAR),
pci_resource_len(pdev, ENA_REG_BAR));
if (!ena_dev->reg_bar) {
- dev_err(&pdev->dev, "failed to remap regs bar\n");
+ dev_err(&pdev->dev, "Failed to remap regs bar\n");
rc = -EFAULT;
goto err_free_region;
}
rc = ena_device_init(ena_dev, pdev, &get_feat_ctx, &wd_state);
if (rc) {
- dev_err(&pdev->dev, "ena device init failed\n");
+ dev_err(&pdev->dev, "ENA device init failed\n");
if (rc == -ETIME)
rc = -EPROBE_DEFER;
goto err_free_region;
rc = ena_map_llq_mem_bar(pdev, ena_dev, bars);
if (rc) {
- dev_err(&pdev->dev, "ena llq bar mapping failed\n");
+ dev_err(&pdev->dev, "ENA llq bar mapping failed\n");
goto err_free_ena_dev;
}
rtnl_lock();
if (unlikely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) {
dev_err(&pdev->dev,
- "ignoring device reset request as the device is being suspended\n");
+ "Ignoring device reset request as the device is being suspended\n");
clear_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags);
}
ena_destroy_device(adapter, true);
aenq_e->aenq_common_desc.group,
ENA_ADMIN_NOTIFICATION);
- switch (aenq_e->aenq_common_desc.syndrom) {
+ switch (aenq_e->aenq_common_desc.syndrome) {
case ENA_ADMIN_UPDATE_HINTS:
hints = (struct ena_admin_ena_hw_hints *)
(&aenq_e->inline_data_w4);
default:
netif_err(adapter, drv, adapter->netdev,
"Invalid aenq notification link state %d\n",
- aenq_e->aenq_common_desc.syndrom);
+ aenq_e->aenq_common_desc.syndrome);
}
}