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net/mlx4: remove duplicate handling in Tx burst
[dpdk.git]
/
drivers
/
net
/
mlx4
/
mlx4_rxtx.c
diff --git
a/drivers/net/mlx4/mlx4_rxtx.c
b/drivers/net/mlx4/mlx4_rxtx.c
index
e0afbea
..
abd125f
100644
(file)
--- a/
drivers/net/mlx4/mlx4_rxtx.c
+++ b/
drivers/net/mlx4/mlx4_rxtx.c
@@
-256,7
+256,6
@@
mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
struct txq *txq = (struct txq *)dpdk_txq;
unsigned int elts_head = txq->elts_head;
const unsigned int elts_n = txq->elts_n;
struct txq *txq = (struct txq *)dpdk_txq;
unsigned int elts_head = txq->elts_head;
const unsigned int elts_n = txq->elts_n;
- unsigned int elts_comp = 0;
unsigned int bytes_sent = 0;
unsigned int i;
unsigned int max;
unsigned int bytes_sent = 0;
unsigned int i;
unsigned int max;
@@
-272,8
+271,6
@@
mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
assert(max <= elts_n);
/* Always leave one free entry in the ring. */
--max;
assert(max <= elts_n);
/* Always leave one free entry in the ring. */
--max;
- if (max == 0)
- return 0;
if (max > pkts_n)
max = pkts_n;
for (i = 0; (i != max); ++i) {
if (max > pkts_n)
max = pkts_n;
for (i = 0; (i != max); ++i) {
@@
-472,7
+469,6
@@
mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
sq->head += nr_txbbs;
elt->buf = buf;
bytes_sent += buf->pkt_len;
sq->head += nr_txbbs;
elt->buf = buf;
bytes_sent += buf->pkt_len;
- ++elts_comp;
elts_head = elts_head_next;
}
/* Take a shortcut if nothing must be sent. */
elts_head = elts_head_next;
}
/* Take a shortcut if nothing must be sent. */
@@
-486,7
+482,7
@@
mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
/* Ring QP doorbell. */
rte_write32(txq->msq.doorbell_qpn, txq->msq.db);
txq->elts_head = elts_head;
/* Ring QP doorbell. */
rte_write32(txq->msq.doorbell_qpn, txq->msq.db);
txq->elts_head = elts_head;
- txq->elts_comp +=
elts_comp
;
+ txq->elts_comp +=
i
;
return i;
}
return i;
}