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net/mlx4: fix missing stamp during Tx completion
[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
06f57cc
..
2bfa8b1
100644
(file)
--- a/
drivers/net/mlx4/mlx4_rxtx.c
+++ b/
drivers/net/mlx4/mlx4_rxtx.c
@@
-336,6
+336,7
@@
mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
{
unsigned int elts_comp = txq->elts_comp;
unsigned int elts_tail = txq->elts_tail;
{
unsigned int elts_comp = txq->elts_comp;
unsigned int elts_tail = txq->elts_tail;
+ unsigned int sq_tail = sq->tail;
struct mlx4_cq *cq = &txq->mcq;
volatile struct mlx4_cqe *cqe;
uint32_t cons_index = cq->cons_index;
struct mlx4_cq *cq = &txq->mcq;
volatile struct mlx4_cqe *cqe;
uint32_t cons_index = cq->cons_index;
@@
-372,13
+373,13
@@
mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
rte_be_to_cpu_16(cqe->wqe_index) & sq->txbb_cnt_mask;
do {
/* Free next descriptor. */
rte_be_to_cpu_16(cqe->wqe_index) & sq->txbb_cnt_mask;
do {
/* Free next descriptor. */
- nr_txbbs +=
+ sq_tail += nr_txbbs;
+ nr_txbbs =
mlx4_txq_stamp_freed_wqe(sq,
mlx4_txq_stamp_freed_wqe(sq,
-
(sq->tail + nr_txbbs)
& sq->txbb_cnt_mask,
- !!(
(sq->tail + nr_txbbs)
& sq->txbb_cnt));
+
sq_tail
& sq->txbb_cnt_mask,
+ !!(
sq_tail
& sq->txbb_cnt));
pkts++;
pkts++;
- } while (((sq->tail + nr_txbbs) & sq->txbb_cnt_mask) !=
- new_index);
+ } while ((sq_tail & sq->txbb_cnt_mask) != new_index);
cons_index++;
} while (1);
if (unlikely(pkts == 0))
cons_index++;
} while (1);
if (unlikely(pkts == 0))
@@
-386,7
+387,7
@@
mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
/* Update CQ. */
cq->cons_index = cons_index;
*cq->set_ci_db = rte_cpu_to_be_32(cq->cons_index & MLX4_CQ_DB_CI_MASK);
/* Update CQ. */
cq->cons_index = cons_index;
*cq->set_ci_db = rte_cpu_to_be_32(cq->cons_index & MLX4_CQ_DB_CI_MASK);
- sq->tail = sq
->
tail + nr_txbbs;
+ sq->tail = sq
_
tail + nr_txbbs;
/* Update the list of packets posted for transmission. */
elts_comp -= pkts;
assert(elts_comp <= txq->elts_comp);
/* Update the list of packets posted for transmission. */
elts_comp -= pkts;
assert(elts_comp <= txq->elts_comp);