To add a wrapper function to remove the limit of tx burst size. The patch
makes i40e vec function an best effort to transmit the pkts in the
consistent behavior like i40e_xmit_pkts_simple and i40e_xmit_pkts do that.
Cc: Helin Zhang <helin.zh...@intel.com>
Cc: Jingjing Wu <jingjing...@intel.com>
Signed-off-by: Zhiyong Yang <zhiyong.y...@intel.com>
---
drivers/net/i40e/i40e_rxtx.c | 28 +++++++++++++++++++++++++---
drivers/net/i40e/i40e_rxtx.h | 4 ++--
drivers/net/i40e/i40e_rxtx_vec_neon.c | 4 ++--
drivers/net/i40e/i40e_rxtx_vec_sse.c | 4 ++--
4 files changed, 31 insertions(+), 9 deletions(-)
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 48429cc..85d4194 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1426,6 +1426,28 @@ i40e_xmit_pkts_simple(void *tx_queue,
return nb_tx;
}
+static uint16_t
+i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_tx = 0;
+ struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue;
+
+ while (nb_pkts) {
+ uint16_t ret, num;
+
+ num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+ ret = i40e_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
+ num);
+ nb_tx += ret;
+ nb_pkts -= ret;
+ if (ret < num)
+ break;
+ }
+
+ return nb_tx;
+}
+
/*********************************************************************
*
* TX prep functions
@@ -2897,9 +2919,9 @@ i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue
__rte_unused*rxq)
}
uint16_t __attribute__((weak))
-i40e_xmit_pkts_vec(void __rte_unused *tx_queue,
- struct rte_mbuf __rte_unused **tx_pkts,
- uint16_t __rte_unused nb_pkts)
+i40e_xmit_fixed_burst_vec(void __rte_unused *tx_queue,
+ struct rte_mbuf __rte_unused **tx_pkts,
+ uint16_t __rte_unused nb_pkts)
{
return 0;
}
diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index 9df8a56..d27ef45 100644
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -256,8 +256,8 @@ int i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev
*dev);
int i40e_rxq_vec_setup(struct i40e_rx_queue *rxq);
int i40e_txq_vec_setup(struct i40e_tx_queue *txq);
void i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue *rxq);
-uint16_t i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts);
+uint16_t i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
void i40e_set_rx_function(struct rte_eth_dev *dev);
void i40e_set_tx_function_flag(struct rte_eth_dev *dev,
struct i40e_tx_queue *txq);
diff --git a/drivers/net/i40e/i40e_rxtx_vec_neon.c
b/drivers/net/i40e/i40e_rxtx_vec_neon.c
index 011c54e..fc69852 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_neon.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_neon.c
@@ -523,8 +523,8 @@ vtx(volatile struct i40e_tx_desc *txdp,
}
uint16_t
-i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
{
struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue;
volatile struct i40e_tx_desc *txdp;
diff --git a/drivers/net/i40e/i40e_rxtx_vec_sse.c
b/drivers/net/i40e/i40e_rxtx_vec_sse.c
index b95cc8e..deed7e2 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_sse.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_sse.c
@@ -536,8 +536,8 @@ vtx(volatile struct i40e_tx_desc *txdp,
}
uint16_t
-i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
{
struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue;
volatile struct i40e_tx_desc *txdp;
--
2.7.4
