From: Qi Zhang Date: Fri, 11 May 2018 01:25:42 +0000 (+0800) Subject: net/i40e: fix missing mbuf fast free offload X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=399421100e08b79e1bf68f3406b3bc414925c967;p=dpdk.git net/i40e: fix missing mbuf fast free offload Expose the missing mbuf fast free capability since i40 does support it. Fixes: 7497d3e2f777 ("net/i40e: convert to new Tx offloads API") Signed-off-by: Qi Zhang --- diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 267bdf07a7..da6375b5e3 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -3301,7 +3301,7 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) DEV_RX_OFFLOAD_VLAN_FILTER | DEV_RX_OFFLOAD_JUMBO_FRAME; - dev_info->tx_queue_offload_capa = 0; + dev_info->tx_queue_offload_capa = DEV_TX_OFFLOAD_MBUF_FAST_FREE; dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT | @@ -3315,7 +3315,8 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_IPIP_TNL_TSO | DEV_TX_OFFLOAD_GENEVE_TNL_TSO | - DEV_TX_OFFLOAD_MULTI_SEGS; + DEV_TX_OFFLOAD_MULTI_SEGS | + dev_info->tx_queue_offload_capa; dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP | RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP; diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index 1b2f5fcc0e..6032d55416 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -3028,9 +3028,11 @@ i40e_set_tx_function_flag(struct rte_eth_dev *dev, struct i40e_tx_queue *txq) struct i40e_adapter *ad = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); - /* Use a simple Tx queue (no offloads, no multi segs) if possible */ - ad->tx_simple_allowed = (txq->offloads == 0 && - txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST); + /* Use a simple Tx queue if possible (only fast free is allowed) */ + ad->tx_simple_allowed = + (txq->offloads == + (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) && + txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST); ad->tx_vec_allowed = (ad->tx_simple_allowed && txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ);