From: Long Li <lon...@microsoft.com> TX hardware queue is allocated when starting the queue, this is for pre configuration.
Signed-off-by: Long Li <lon...@microsoft.com> --- drivers/net/mana/mana.c | 65 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c index 951fc418b6..6b1c3ee035 100644 --- a/drivers/net/mana/mana.c +++ b/drivers/net/mana/mana.c @@ -225,6 +225,15 @@ static int mana_dev_info_get(struct rte_eth_dev *dev, return 0; } +static void mana_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_txq_info *qinfo) +{ + struct mana_txq *txq = dev->data->tx_queues[queue_id]; + + qinfo->conf.offloads = dev->data->dev_conf.txmode.offloads; + qinfo->nb_desc = txq->num_desc; +} + static void mana_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_rxq_info *qinfo) { @@ -309,6 +318,59 @@ static int mana_rss_hash_conf_get(struct rte_eth_dev *dev, return 0; } +static int mana_dev_tx_queue_setup(struct rte_eth_dev *dev, + uint16_t queue_idx, uint16_t nb_desc, + unsigned int socket_id, + const struct rte_eth_txconf *tx_conf __rte_unused) + +{ + struct mana_priv *priv = dev->data->dev_private; + struct mana_txq *txq; + int ret; + + txq = rte_zmalloc_socket("mana_txq", sizeof(*txq), 0, socket_id); + if (!txq) { + DRV_LOG(ERR, "failed to allocate txq"); + return -ENOMEM; + } + + txq->socket = socket_id; + + txq->desc_ring = rte_malloc_socket("mana_tx_desc_ring", + sizeof(struct mana_txq_desc) * + nb_desc, + RTE_CACHE_LINE_SIZE, socket_id); + if (!txq->desc_ring) { + DRV_LOG(ERR, "failed to allocate txq desc_ring"); + ret = -ENOMEM; + goto fail; + } + + DRV_LOG(DEBUG, "idx %u nb_desc %u socket %u txq->desc_ring %p", + queue_idx, nb_desc, socket_id, txq->desc_ring); + + txq->desc_ring_head = 0; + txq->desc_ring_tail = 0; + txq->priv = priv; + txq->num_desc = nb_desc; + dev->data->tx_queues[queue_idx] = txq; + + return 0; + +fail: + rte_free(txq->desc_ring); + rte_free(txq); + return ret; +} + +static void mana_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid) +{ + struct mana_txq *txq = dev->data->tx_queues[qid]; + + rte_free(txq->desc_ring); + rte_free(txq); +} + static int mana_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, uint16_t nb_desc, unsigned int socket_id, @@ -384,10 +446,13 @@ const struct eth_dev_ops mana_dev_ops = { .dev_configure = mana_dev_configure, .dev_close = mana_dev_close, .dev_infos_get = mana_dev_info_get, + .txq_info_get = mana_dev_tx_queue_info, .rxq_info_get = mana_dev_rx_queue_info, .dev_supported_ptypes_get = mana_supported_ptypes, .rss_hash_update = mana_rss_hash_update, .rss_hash_conf_get = mana_rss_hash_conf_get, + .tx_queue_setup = mana_dev_tx_queue_setup, + .tx_queue_release = mana_dev_tx_queue_release, .rx_queue_setup = mana_dev_rx_queue_setup, .rx_queue_release = mana_dev_rx_queue_release, .link_update = mana_dev_link_update, -- 2.17.1