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net/i40e: fix missing mbuf fast free offload

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Expose the missing mbuf fast free capability since i40 does
support it.

Fixes: 7497d3e2f7 ("net/i40e: convert to new Tx offloads API")

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Qi Zhang 2018-05-11 09:25:42 +08:00 committed by Ferruh Yigit
parent bafa9aa0d7
commit 399421100e
2 changed files with 8 additions and 5 deletions
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5
drivers/net/i40e/i40e_ethdev.c
View File

@ -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;

8
drivers/net/i40e/i40e_rxtx.c
View File

@ -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);