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authorQi Zhang <qi.z.zhang@intel.com>2018-05-11 09:25:42 +0800
committerFerruh Yigit <ferruh.yigit@intel.com>2018-05-14 22:31:53 +0100
commit399421100e08b79e1bf68f3406b3bc414925c967 (patch)
treeeb76f5e3656875bda64ef0bc0421899241246842
parentbafa9aa0d7bb07f78cdad518647a61c808945f4e (diff)
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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 <qi.z.zhang@intel.com>
-rw-r--r--drivers/net/i40e/i40e_ethdev.c5
-rw-r--r--drivers/net/i40e/i40e_rxtx.c8
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 267bdf0..da6375b 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 1b2f5fc..6032d55 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);