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net/mlx5e: Tx, Don't implicitly assume SKB-less wqe has one WQEBB 

When polling a CQE of an SKB-less WQE, don't assume it consumed only
one WQEBB. Use wi->num_wqebbs directly instead.
In the downstream patch, SKB-less WQEs might have more the one WQEBB,
thus this change is needed.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eran Ben Elisha 2019-07-05 18:30:18 +03:00 committed by David S. Miller
parent fd1b225963
commit 9ab0233728
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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@ -485,8 +485,8 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
wi = &sq->db.wqe_info[ci];
skb = wi->skb;
if (unlikely(!skb)) { /* nop */
sqcc++;
if (unlikely(!skb)) {
sqcc += wi->num_wqebbs;
continue;
}