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path: root/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tx.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index bf2232a2a836..f7897ddb29c5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -305,6 +305,8 @@ static void mlx5e_sq_calc_wqe_attr(struct sk_buff *skb, const struct mlx5e_tx_at
u16 ds_cnt_inl = 0;
u16 ds_cnt_ids = 0;
+ /* Sync the calculation with MLX5E_MAX_TX_WQEBBS. */
+
if (attr->insz)
ds_cnt_ids = DIV_ROUND_UP(sizeof(struct mlx5_wqe_inline_seg) + attr->insz,
MLX5_SEND_WQE_DS);
@@ -317,6 +319,9 @@ static void mlx5e_sq_calc_wqe_attr(struct sk_buff *skb, const struct mlx5e_tx_at
inl += VLAN_HLEN;
ds_cnt_inl = DIV_ROUND_UP(inl, MLX5_SEND_WQE_DS);
+ if (WARN_ON_ONCE(ds_cnt_inl > MLX5E_MAX_TX_INLINE_DS))
+ netdev_warn(skb->dev, "ds_cnt_inl = %u > max %u\n", ds_cnt_inl,
+ (u16)MLX5E_MAX_TX_INLINE_DS);
ds_cnt += ds_cnt_inl;
}
@@ -392,6 +397,11 @@ mlx5e_txwqe_complete(struct mlx5e_txqsq *sq, struct sk_buff *skb,
if (unlikely(sq->ptpsq)) {
mlx5e_skb_cb_hwtstamp_init(skb);
mlx5e_skb_fifo_push(&sq->ptpsq->skb_fifo, skb);
+ if (!netif_tx_queue_stopped(sq->txq) &&
+ !mlx5e_skb_fifo_has_room(&sq->ptpsq->skb_fifo)) {
+ netif_tx_stop_queue(sq->txq);
+ sq->stats->stopped++;
+ }
skb_get(skb);
}
@@ -868,6 +878,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
if (netif_tx_queue_stopped(sq->txq) &&
mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, sq->stop_room) &&
+ mlx5e_ptpsq_fifo_has_room(sq) &&
!test_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state)) {
netif_tx_wake_queue(sq->txq);
stats->wake++;