#define ENA_REGS_ADMIN_INTR_MASK 1
-#define ENA_POLL_MS 5
+#define ENA_MIN_ADMIN_POLL_US 100
+
+#define ENA_MAX_ADMIN_POLL_US 5000
/*****************************************************************************/
/*****************************************************************************/
}
ena_addr->mem_addr_low = lower_32_bits(addr);
- ena_addr->mem_addr_high = upper_32_bits(addr);
+ ena_addr->mem_addr_high = (u16)upper_32_bits(addr);
return 0;
}
0x0, io_sq->llq_info.desc_list_entry_size);
io_sq->llq_buf_ctrl.descs_left_in_line =
io_sq->llq_info.descs_num_before_header;
+ io_sq->disable_meta_caching =
+ io_sq->llq_info.disable_meta_caching;
if (io_sq->llq_info.max_entries_in_tx_burst > 0)
io_sq->entries_in_tx_burst_left =
size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth;
io_cq->bus = ena_dev->bus;
- ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev,
- size,
- io_cq->cdesc_addr.virt_addr,
- io_cq->cdesc_addr.phys_addr,
- io_cq->cdesc_addr.mem_handle,
- ctx->numa_node,
- prev_node);
+ ENA_MEM_ALLOC_COHERENT_NODE_ALIGNED(ena_dev->dmadev,
+ size,
+ io_cq->cdesc_addr.virt_addr,
+ io_cq->cdesc_addr.phys_addr,
+ io_cq->cdesc_addr.mem_handle,
+ ctx->numa_node,
+ prev_node,
+ ENA_CDESC_RING_SIZE_ALIGNMENT);
if (!io_cq->cdesc_addr.virt_addr) {
- ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev,
- size,
- io_cq->cdesc_addr.virt_addr,
- io_cq->cdesc_addr.phys_addr,
- io_cq->cdesc_addr.mem_handle);
+ ENA_MEM_ALLOC_COHERENT_ALIGNED(ena_dev->dmadev,
+ size,
+ io_cq->cdesc_addr.virt_addr,
+ io_cq->cdesc_addr.phys_addr,
+ io_cq->cdesc_addr.mem_handle,
+ ENA_CDESC_RING_SIZE_ALIGNMENT);
}
if (!io_cq->cdesc_addr.virt_addr) {
case ENA_ADMIN_ILLEGAL_PARAMETER:
case ENA_ADMIN_UNKNOWN_ERROR:
return ENA_COM_INVAL;
+ case ENA_ADMIN_RESOURCE_BUSY:
+ return ENA_COM_TRY_AGAIN;
}
return ENA_COM_INVAL;
}
+static void ena_delay_exponential_backoff_us(u32 exp, u32 delay_us)
+{
+ delay_us = ENA_MAX32(ENA_MIN_ADMIN_POLL_US, delay_us);
+ delay_us = ENA_MIN32(delay_us * (1U << exp), ENA_MAX_ADMIN_POLL_US);
+ ENA_USLEEP(delay_us);
+}
+
static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx,
struct ena_com_admin_queue *admin_queue)
{
unsigned long flags = 0;
ena_time_t timeout;
int ret;
+ u32 exp = 0;
timeout = ENA_GET_SYSTEM_TIMEOUT(admin_queue->completion_timeout);
while (1) {
- ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
- ena_com_handle_admin_completion(admin_queue);
- ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
+ ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
+ ena_com_handle_admin_completion(admin_queue);
+ ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
- if (comp_ctx->status != ENA_CMD_SUBMITTED)
+ if (comp_ctx->status != ENA_CMD_SUBMITTED)
break;
if (ENA_TIME_EXPIRE(timeout)) {
goto err;
}
- ENA_MSLEEP(ENA_POLL_MS);
+ ena_delay_exponential_backoff_us(exp++,
+ admin_queue->ena_dev->ena_min_poll_delay_us);
}
if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) {
cmd.u.llq.desc_num_before_header_enabled = llq_info->descs_num_before_header;
cmd.u.llq.descriptors_stride_ctrl_enabled = llq_info->desc_stride_ctrl;
+ cmd.u.llq.accel_mode.u.set.enabled_flags =
+ BIT(ENA_ADMIN_DISABLE_META_CACHING) |
+ BIT(ENA_ADMIN_LIMIT_TX_BURST);
+
ret = ena_com_execute_admin_command(admin_queue,
(struct ena_admin_aq_entry *)&cmd,
sizeof(cmd),
struct ena_llq_configurations *llq_default_cfg)
{
struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
+ struct ena_admin_accel_mode_get llq_accel_mode_get;
u16 supported_feat;
int rc;
supported_feat,
llq_info->descs_num_before_header);
}
+ /* Check for accelerated queue supported */
+ llq_accel_mode_get = llq_features->accel_mode.u.get;
+
+ llq_info->disable_meta_caching =
+ !!(llq_accel_mode_get.supported_flags &
+ BIT(ENA_ADMIN_DISABLE_META_CACHING));
- llq_info->max_entries_in_tx_burst =
- (u16)(llq_features->max_tx_burst_size / llq_default_cfg->llq_ring_entry_size_value);
+ if (llq_accel_mode_get.supported_flags & BIT(ENA_ADMIN_LIMIT_TX_BURST))
+ llq_info->max_entries_in_tx_burst =
+ llq_accel_mode_get.max_tx_burst_size /
+ llq_default_cfg->llq_ring_entry_size_value;
rc = ena_com_set_llq(ena_dev);
if (rc)
static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout,
u16 exp_state)
{
- u32 val, i;
+ u32 val, exp = 0;
+ ena_time_t timeout_stamp;
- /* Convert timeout from resolution of 100ms to ENA_POLL_MS */
- timeout = (timeout * 100) / ENA_POLL_MS;
+ /* Convert timeout from resolution of 100ms to us resolution. */
+ timeout_stamp = ENA_GET_SYSTEM_TIMEOUT(100 * 1000 * timeout);
- for (i = 0; i < timeout; i++) {
+ while (1) {
val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF);
if (unlikely(val == ENA_MMIO_READ_TIMEOUT)) {
exp_state)
return 0;
- ENA_MSLEEP(ENA_POLL_MS);
- }
+ if (ENA_TIME_EXPIRE(timeout_stamp))
+ return ENA_COM_TIMER_EXPIRED;
- return ENA_COM_TIMER_EXPIRED;
+ ena_delay_exponential_backoff_us(exp++, ena_dev->ena_min_poll_delay_us);
+ }
}
static bool ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev,
feature_ver);
}
+int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev)
+{
+ return ena_dev->rss.hash_func;
+}
+
static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
{
struct ena_admin_feature_rss_flow_hash_control *hash_key =
(ena_dev->rss).hash_key;
ENA_RSS_FILL_KEY(&hash_key->key, sizeof(hash_key->key));
- /* The key is stored in the device in uint32_t array
- * as well as the API requires the key to be passed in this
- * format. Thus the size of our array should be divided by 4
+ /* The key buffer is stored in the device in an array of
+ * uint32 elements.
*/
- hash_key->keys_num = sizeof(hash_key->key) / sizeof(uint32_t);
+ hash_key->keys_num = ENA_ADMIN_RSS_KEY_PARTS;
}
static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
{
struct ena_rss *rss = &ena_dev->rss;
+ if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_RSS_HASH_FUNCTION))
+ return ENA_COM_UNSUPPORTED;
+
ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev,
sizeof(*rss->hash_key),
rss->hash_key,
return 0;
}
-static int ena_com_ind_tbl_convert_from_device(struct ena_com_dev *ena_dev)
-{
- u16 dev_idx_to_host_tbl[ENA_TOTAL_NUM_QUEUES] = { (u16)-1 };
- struct ena_rss *rss = &ena_dev->rss;
- u8 idx;
- u16 i;
-
- for (i = 0; i < ENA_TOTAL_NUM_QUEUES; i++)
- dev_idx_to_host_tbl[ena_dev->io_sq_queues[i].idx] = i;
-
- for (i = 0; i < 1 << rss->tbl_log_size; i++) {
- if (rss->rss_ind_tbl[i].cq_idx > ENA_TOTAL_NUM_QUEUES)
- return ENA_COM_INVAL;
- idx = (u8)rss->rss_ind_tbl[i].cq_idx;
-
- if (dev_idx_to_host_tbl[idx] > ENA_TOTAL_NUM_QUEUES)
- return ENA_COM_INVAL;
-
- rss->host_rss_ind_tbl[i] = dev_idx_to_host_tbl[idx];
- }
-
- return 0;
-}
-
-static int ena_com_init_interrupt_moderation_table(struct ena_com_dev *ena_dev)
-{
- size_t size;
-
- size = sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS;
-
- ena_dev->intr_moder_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, size);
- if (!ena_dev->intr_moder_tbl)
- return ENA_COM_NO_MEM;
-
- ena_com_config_default_interrupt_moderation_table(ena_dev);
-
- return 0;
-}
-
static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev,
u16 intr_delay_resolution)
{
- struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
- unsigned int i;
+ u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution;
- if (!intr_delay_resolution) {
+ if (unlikely(!intr_delay_resolution)) {
ena_trc_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n");
- intr_delay_resolution = 1;
+ intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION;
}
- ena_dev->intr_delay_resolution = intr_delay_resolution;
/* update Rx */
- for (i = 0; i < ENA_INTR_MAX_NUM_OF_LEVELS; i++)
- intr_moder_tbl[i].intr_moder_interval /= intr_delay_resolution;
+ ena_dev->intr_moder_rx_interval =
+ ena_dev->intr_moder_rx_interval *
+ prev_intr_delay_resolution /
+ intr_delay_resolution;
/* update Tx */
- ena_dev->intr_moder_tx_interval /= intr_delay_resolution;
+ ena_dev->intr_moder_tx_interval =
+ ena_dev->intr_moder_tx_interval *
+ prev_intr_delay_resolution /
+ intr_delay_resolution;
+
+ ena_dev->intr_delay_resolution = intr_delay_resolution;
}
/*****************************************************************************/
{
struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue;
unsigned long flags = 0;
+ u32 exp = 0;
ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
while (ATOMIC32_READ(&admin_queue->outstanding_cmds) != 0) {
ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
- ENA_MSLEEP(ENA_POLL_MS);
+ ena_delay_exponential_backoff_us(exp++, ena_dev->ena_min_poll_delay_us);
ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags);
}
ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags);
struct ena_com_aenq *aenq = &ena_dev->aenq;
u16 size;
- ENA_WAIT_EVENT_DESTROY(admin_queue->comp_ctx->wait_event);
- if (admin_queue->comp_ctx)
+ if (admin_queue->comp_ctx) {
+ ENA_WAIT_EVENT_DESTROY(admin_queue->comp_ctx->wait_event);
ENA_MEM_FREE(ena_dev->dmadev,
admin_queue->comp_ctx,
(admin_queue->q_depth * sizeof(struct ena_comp_ctx)));
+ }
+
admin_queue->comp_ctx = NULL;
size = ADMIN_SQ_SIZE(admin_queue->q_depth);
if (sq->entries)
ena_dev->admin_queue.polling = polling;
}
-bool ena_com_get_admin_polling_mode(struct ena_com_dev * ena_dev)
+bool ena_com_get_admin_polling_mode(struct ena_com_dev *ena_dev)
{
return ena_dev->admin_queue.polling;
}
if (ret)
goto error;
+ admin_queue->ena_dev = ena_dev;
admin_queue->running_state = true;
return 0;
return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG, 0);
}
-int ena_com_extra_properties_strings_init(struct ena_com_dev *ena_dev)
-{
- struct ena_admin_get_feat_resp resp;
- struct ena_extra_properties_strings *extra_properties_strings =
- &ena_dev->extra_properties_strings;
- u32 rc;
- extra_properties_strings->size = ENA_ADMIN_EXTRA_PROPERTIES_COUNT *
- ENA_ADMIN_EXTRA_PROPERTIES_STRING_LEN;
-
- ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev,
- extra_properties_strings->size,
- extra_properties_strings->virt_addr,
- extra_properties_strings->dma_addr,
- extra_properties_strings->dma_handle);
- if (unlikely(!extra_properties_strings->virt_addr)) {
- ena_trc_err("Failed to allocate extra properties strings\n");
- return 0;
- }
-
- rc = ena_com_get_feature_ex(ena_dev, &resp,
- ENA_ADMIN_EXTRA_PROPERTIES_STRINGS,
- extra_properties_strings->dma_addr,
- extra_properties_strings->size, 0);
- if (rc) {
- ena_trc_dbg("Failed to get extra properties strings\n");
- goto err;
- }
-
- return resp.u.extra_properties_strings.count;
-err:
- ena_com_delete_extra_properties_strings(ena_dev);
- return 0;
-}
-
-void ena_com_delete_extra_properties_strings(struct ena_com_dev *ena_dev)
-{
- struct ena_extra_properties_strings *extra_properties_strings =
- &ena_dev->extra_properties_strings;
-
- if (extra_properties_strings->virt_addr) {
- ENA_MEM_FREE_COHERENT(ena_dev->dmadev,
- extra_properties_strings->size,
- extra_properties_strings->virt_addr,
- extra_properties_strings->dma_addr,
- extra_properties_strings->dma_handle);
- extra_properties_strings->virt_addr = NULL;
- }
-}
-
-int ena_com_get_extra_properties_flags(struct ena_com_dev *ena_dev,
- struct ena_admin_get_feat_resp *resp)
-{
- return ena_com_get_feature(ena_dev, resp,
- ENA_ADMIN_EXTRA_PROPERTIES_FLAGS, 0);
-}
-
int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
timestamp = (u64)aenq_common->timestamp_low |
((u64)aenq_common->timestamp_high << 32);
ENA_TOUCH(timestamp); /* In case debug is disabled */
- ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%"PRIu64"]\n",
+ ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%" ENA_PRIu64 "s]\n",
aenq_common->group,
aenq_common->syndrom,
timestamp);
mb();
ENA_REG_WRITE32_RELAXED(dev->bus, (u32)aenq->head,
dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
-#ifndef MMIOWB_NOT_DEFINED
mmiowb();
-#endif
}
int ena_com_dev_reset(struct ena_com_dev *ena_dev,
return ret;
}
+int ena_com_get_eni_stats(struct ena_com_dev *ena_dev,
+ struct ena_admin_eni_stats *stats)
+{
+ struct ena_com_stats_ctx ctx;
+ int ret;
+
+ memset(&ctx, 0x0, sizeof(ctx));
+ ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_ENI);
+ if (likely(ret == 0))
+ memcpy(stats, &ctx.get_resp.u.eni_stats,
+ sizeof(ctx.get_resp.u.eni_stats));
+
+ return ret;
+}
+
int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
struct ena_admin_basic_stats *stats)
{
memset(&ctx, 0x0, sizeof(ctx));
ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC);
if (likely(ret == 0))
- memcpy(stats, &ctx.get_resp.basic_stats,
- sizeof(ctx.get_resp.basic_stats));
+ memcpy(stats, &ctx.get_resp.u.basic_stats,
+ sizeof(ctx.get_resp.u.basic_stats));
return ret;
}
}
int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
- enum ena_admin_hash_functions *func,
- u8 *key)
+ enum ena_admin_hash_functions *func)
{
struct ena_rss *rss = &ena_dev->rss;
struct ena_admin_get_feat_resp get_resp;
- struct ena_admin_feature_rss_flow_hash_control *hash_key =
- rss->hash_key;
int rc;
+ if (unlikely(!func))
+ return ENA_COM_INVAL;
+
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_HASH_FUNCTION,
rss->hash_key_dma_addr,
if (unlikely(rc))
return rc;
- /* ENA_FFS returns 1 in case the lsb is set */
+ /* ENA_FFS() returns 1 in case the lsb is set */
rss->hash_func = ENA_FFS(get_resp.u.flow_hash_func.selected_func);
if (rss->hash_func)
rss->hash_func--;
- if (func)
- *func = rss->hash_func;
+ *func = rss->hash_func;
+
+ return 0;
+}
+
+int ena_com_get_hash_key(struct ena_com_dev *ena_dev, u8 *key)
+{
+ struct ena_admin_feature_rss_flow_hash_control *hash_key =
+ ena_dev->rss.hash_key;
if (key)
memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2);
if (!ind_tbl)
return 0;
- rc = ena_com_ind_tbl_convert_from_device(ena_dev);
- if (unlikely(rc))
- return rc;
-
for (i = 0; i < (1 << rss->tbl_log_size); i++)
ind_tbl[i] = rss->host_rss_ind_tbl[i];
if (unlikely(rc))
goto err_indr_tbl;
+ /* The following function might return unsupported in case the
+ * device doesn't support setting the key / hash function. We can safely
+ * ignore this error and have indirection table support only.
+ */
rc = ena_com_hash_key_allocate(ena_dev);
- if (unlikely(rc))
+ if (likely(!rc))
+ ena_com_hash_key_fill_default_key(ena_dev);
+ else if (rc != ENA_COM_UNSUPPORTED)
goto err_hash_key;
- ena_com_hash_key_fill_default_key(ena_dev);
-
rc = ena_com_hash_ctrl_init(ena_dev);
if (unlikely(rc))
goto err_hash_ctrl;
ENA_ADMIN_INTERRUPT_MODERATION);
}
-int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev,
- u32 tx_coalesce_usecs)
+static int ena_com_update_nonadaptive_moderation_interval(u32 coalesce_usecs,
+ u32 intr_delay_resolution,
+ u32 *intr_moder_interval)
{
- if (!ena_dev->intr_delay_resolution) {
+ if (!intr_delay_resolution) {
ena_trc_err("Illegal interrupt delay granularity value\n");
return ENA_COM_FAULT;
}
- ena_dev->intr_moder_tx_interval = tx_coalesce_usecs /
- ena_dev->intr_delay_resolution;
+ *intr_moder_interval = coalesce_usecs / intr_delay_resolution;
return 0;
}
-int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev,
- u32 rx_coalesce_usecs)
-{
- if (!ena_dev->intr_delay_resolution) {
- ena_trc_err("Illegal interrupt delay granularity value\n");
- return ENA_COM_FAULT;
- }
-
- /* We use LOWEST entry of moderation table for storing
- * nonadaptive interrupt coalescing values
- */
- ena_dev->intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval =
- rx_coalesce_usecs / ena_dev->intr_delay_resolution;
- return 0;
+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,
+ ena_dev->intr_delay_resolution,
+ &ena_dev->intr_moder_tx_interval);
}
-void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev)
+int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev,
+ u32 rx_coalesce_usecs)
{
- if (ena_dev->intr_moder_tbl)
- ENA_MEM_FREE(ena_dev->dmadev,
- ena_dev->intr_moder_tbl,
- (sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS));
- ena_dev->intr_moder_tbl = NULL;
+ return ena_com_update_nonadaptive_moderation_interval(rx_coalesce_usecs,
+ ena_dev->intr_delay_resolution,
+ &ena_dev->intr_moder_rx_interval);
}
int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
return rc;
}
- rc = ena_com_init_interrupt_moderation_table(ena_dev);
- if (rc)
- goto err;
-
/* if moderation is supported by device we set adaptive moderation */
delay_resolution = get_resp.u.intr_moderation.intr_delay_resolution;
ena_com_update_intr_delay_resolution(ena_dev, delay_resolution);
ena_com_disable_adaptive_moderation(ena_dev);
return 0;
-err:
- ena_com_destroy_interrupt_moderation(ena_dev);
- return rc;
-}
-
-void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev)
-{
- struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
- if (!intr_moder_tbl)
- return;
-
- intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval =
- ENA_INTR_LOWEST_USECS;
- intr_moder_tbl[ENA_INTR_MODER_LOWEST].pkts_per_interval =
- ENA_INTR_LOWEST_PKTS;
- intr_moder_tbl[ENA_INTR_MODER_LOWEST].bytes_per_interval =
- ENA_INTR_LOWEST_BYTES;
-
- intr_moder_tbl[ENA_INTR_MODER_LOW].intr_moder_interval =
- ENA_INTR_LOW_USECS;
- intr_moder_tbl[ENA_INTR_MODER_LOW].pkts_per_interval =
- ENA_INTR_LOW_PKTS;
- intr_moder_tbl[ENA_INTR_MODER_LOW].bytes_per_interval =
- ENA_INTR_LOW_BYTES;
-
- intr_moder_tbl[ENA_INTR_MODER_MID].intr_moder_interval =
- ENA_INTR_MID_USECS;
- intr_moder_tbl[ENA_INTR_MODER_MID].pkts_per_interval =
- ENA_INTR_MID_PKTS;
- intr_moder_tbl[ENA_INTR_MODER_MID].bytes_per_interval =
- ENA_INTR_MID_BYTES;
-
- intr_moder_tbl[ENA_INTR_MODER_HIGH].intr_moder_interval =
- ENA_INTR_HIGH_USECS;
- intr_moder_tbl[ENA_INTR_MODER_HIGH].pkts_per_interval =
- ENA_INTR_HIGH_PKTS;
- intr_moder_tbl[ENA_INTR_MODER_HIGH].bytes_per_interval =
- ENA_INTR_HIGH_BYTES;
-
- intr_moder_tbl[ENA_INTR_MODER_HIGHEST].intr_moder_interval =
- ENA_INTR_HIGHEST_USECS;
- intr_moder_tbl[ENA_INTR_MODER_HIGHEST].pkts_per_interval =
- ENA_INTR_HIGHEST_PKTS;
- intr_moder_tbl[ENA_INTR_MODER_HIGHEST].bytes_per_interval =
- ENA_INTR_HIGHEST_BYTES;
}
unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev)
unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev)
{
- struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
- if (intr_moder_tbl)
- return intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval;
-
- return 0;
-}
-
-void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev,
- enum ena_intr_moder_level level,
- struct ena_intr_moder_entry *entry)
-{
- struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
- if (level >= ENA_INTR_MAX_NUM_OF_LEVELS)
- return;
-
- intr_moder_tbl[level].intr_moder_interval = entry->intr_moder_interval;
- if (ena_dev->intr_delay_resolution)
- intr_moder_tbl[level].intr_moder_interval /=
- ena_dev->intr_delay_resolution;
- intr_moder_tbl[level].pkts_per_interval = entry->pkts_per_interval;
-
- /* use hardcoded value until ethtool supports bytecount parameter */
- if (entry->bytes_per_interval != ENA_INTR_BYTE_COUNT_NOT_SUPPORTED)
- intr_moder_tbl[level].bytes_per_interval = entry->bytes_per_interval;
-}
-
-void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev,
- enum ena_intr_moder_level level,
- struct ena_intr_moder_entry *entry)
-{
- struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl;
-
- if (level >= ENA_INTR_MAX_NUM_OF_LEVELS)
- return;
-
- entry->intr_moder_interval = intr_moder_tbl[level].intr_moder_interval;
- if (ena_dev->intr_delay_resolution)
- entry->intr_moder_interval *= ena_dev->intr_delay_resolution;
- entry->pkts_per_interval =
- intr_moder_tbl[level].pkts_per_interval;
- entry->bytes_per_interval = intr_moder_tbl[level].bytes_per_interval;
+ return ena_dev->intr_moder_rx_interval;
}
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_cfg)
{
+ struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
int rc;
- struct ena_com_llq_info *llq_info = &(ena_dev->llq_info);;
if (!llq_features->max_llq_num) {
ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
ena_dev->tx_max_header_size = llq_info->desc_list_entry_size -
(llq_info->descs_num_before_header * sizeof(struct ena_eth_io_tx_desc));
- if (ena_dev->tx_max_header_size == 0) {
+ if (unlikely(ena_dev->tx_max_header_size == 0)) {
ena_trc_err("the size of the LLQ entry is smaller than needed\n");
return -EINVAL;
}
git.droids-corp.org / dpdk.git / blobdiff