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authorTariq Toukan <tariqt@mellanox.com>2019-09-16 17:43:33 +0300
committerSaeed Mahameed <saeedm@mellanox.com>2019-10-18 12:11:51 -0700
commit0c258dec8d98af15b34dbffdb89c008b6da01ff8 (patch)
tree82b4cec305b7077f87397e2caa354488e0504006 /drivers/net/ethernet
parent38b4fe320119859c11b1dc06f6b4987a16344fa1 (diff)
net/mlx5e: Tx, Fix assumption of single WQEBB of NOP in cleanup flow
Cited patch removed the assumption only in datapath. Here we remove it also form control/cleanup flow. Fixes: 9ab0233728ca ("net/mlx5e: Tx, Don't implicitly assume SKB-less wqe has one WQEBB") Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c4
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 7569287f8f3c..b476b007f093 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1349,9 +1349,13 @@ static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq)
/* last doorbell out, godspeed .. */
if (mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1)) {
u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ struct mlx5e_tx_wqe_info *wi;
struct mlx5e_tx_wqe *nop;
- sq->db.wqe_info[pi].skb = NULL;
+ wi = &sq->db.wqe_info[pi];
+
+ memset(wi, 0, sizeof(*wi));
+ wi->num_wqebbs = 1;
nop = mlx5e_post_nop(wq, sq->sqn, &sq->pc);
mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nop->ctrl);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index d3a67a9b4eba..9094e9519db7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -550,8 +550,8 @@ void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq)
wi = &sq->db.wqe_info[ci];
skb = wi->skb;
- if (!skb) { /* nop */
- sq->cc++;
+ if (!skb) {
+ sq->cc += wi->num_wqebbs;
continue;
}