At error time, the first 4 bytes of each WQE Tx block still have not
writen, so no need to stamp them because they are already stamped.
Signed-off-by: Matan Azrad <ma...@mellanox.com>
---
drivers/net/mlx4/mlx4_rxtx.c | 22 +---------------------
1 file changed, 1 insertion(+), 21 deletions(-)
diff --git a/drivers/net/mlx4/mlx4_rxtx.c b/drivers/net/mlx4/mlx4_rxtx.c
index 9a32b3f..1d8240a 100644
--- a/drivers/net/mlx4/mlx4_rxtx.c
+++ b/drivers/net/mlx4/mlx4_rxtx.c
@@ -468,17 +468,7 @@ struct pv {
if (unlikely(lkey == rte_cpu_to_be_32((uint32_t)-1))) {
/* MR does not exist. */
DEBUG("%p: unable to get MP <-> MR association",
- (void *)txq);
- /*
- * Restamp entry in case of failure.
- * Make sure that size is written correctly
- * Note that we give ownership to the SW, not the HW.
- */
- wqe_real_size = sizeof(struct mlx4_wqe_ctrl_seg) +
- buf->nb_segs * sizeof(struct mlx4_wqe_data_seg);
- ctrl->fence_size = (wqe_real_size >> 4) & 0x3f;
- mlx4_txq_stamp_freed_wqe(sq, head_idx,
- (sq->head & sq->txbb_cnt) ? 0 : 1);
+ (void *)txq);
return -1;
}
if (likely(sbuf->data_len)) {
@@ -639,16 +629,6 @@ struct pv {
/* MR does not exist. */
DEBUG("%p: unable to get MP <-> MR association",
(void *)txq);
- /*
- * Restamp entry in case of failure.
- * Make sure that size is written correctly
- * Note that we give ownership to the SW,
- * not the HW.
- */
- ctrl->fence_size =
- (WQE_ONE_DATA_SEG_SIZE >> 4) & 0x3f;
- mlx4_txq_stamp_freed_wqe(sq, head_idx,
- (sq->head & sq->txbb_cnt) ? 0 : 1);
elt->buf = NULL;
break;
}
--
1.8.3.1
