From: Tariq Toukan <tar...@mellanox.com>
Before posting the context params WQEs, make sure there is enough
contiguous room for them, and fill frag edge if needed.
When posting only a nop, no need for room check, as it needs a single
WQEBB, meaning no contiguity issue.
Fixes: d2ead1f360e8 ("net/mlx5e: Add kTLS TX HW offload support")
Signed-off-by: Tariq Toukan <tar...@mellanox.com>
Reviewed-by: Eran Ben Elisha <era...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
.../mellanox/mlx5/core/en_accel/ktls_tx.c | 28 +++++++++++++------
1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 5f1d18fb644e..59e3f48470d9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -168,6 +168,14 @@ mlx5e_ktls_tx_post_param_wqes(struct mlx5e_txqsq *sq,
bool skip_static_post, bool fence_first_post)
{
bool progress_fence = skip_static_post || !fence_first_post;
+ struct mlx5_wq_cyc *wq = &sq->wq;
+ u16 contig_wqebbs_room, pi;
+
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs_room <
+ MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS))
+ mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
if (!skip_static_post)
post_static_params(sq, priv_tx, fence_first_post);
@@ -355,10 +363,20 @@ mlx5e_ktls_tx_handle_ooo(struct
mlx5e_ktls_offload_context_tx *priv_tx,
stats->tls_ooo++;
- num_wqebbs = MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS +
- (info.nr_frags ? info.nr_frags * MLX5E_KTLS_DUMP_WQEBBS : 1);
+ tx_post_resync_params(sq, priv_tx, info.rcd_sn);
+
+ /* If no dump WQE was sent, we need to have a fence NOP WQE before the
+ * actual data xmit.
+ */
+ if (!info.nr_frags) {
+ tx_post_fence_nop(sq);
+ return skb;
+ }
+
+ num_wqebbs = info.nr_frags * MLX5E_KTLS_DUMP_WQEBBS;
pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+
if (unlikely(contig_wqebbs_room < num_wqebbs))
mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
@@ -368,12 +386,6 @@ mlx5e_ktls_tx_handle_ooo(struct
mlx5e_ktls_offload_context_tx *priv_tx,
if (tx_post_resync_dump(sq, &info.frags[i], priv_tx->tisn, !i))
goto err_out;
- /* If no dump WQE was sent, we need to have a fence NOP WQE before the
- * actual data xmit.
- */
- if (!info.nr_frags)
- tx_post_fence_nop(sq);
-
return skb;
err_out:
--
2.21.0
