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net/mlx5e: Block TLS device offload on combined SD netdev

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1) Each TX TLS device offloaded context has its own TIS object.  Extra work
is needed to get it working in a SD environment, where a stream can move
between different SQs (belonging to different mdevs).

2) Each RX TLS device offloaded context needs a DEK object from the DEK
pool.

Extra work is needed to get it working in a SD environment, as the DEK
pool currently falsely depends on TX cap, and is on the primary device
only.

Disallow this combination for now.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Tariq Toukan 2023-12-13 13:11:47 +02:00 committed by Saeed Mahameed
parent d72baceb92
commit 83a59ce005
2 changed files with 4 additions and 2 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
View File

@ -96,7 +96,7 @@ bool mlx5e_is_ktls_rx(struct mlx5_core_dev *mdev)
{
u8 max_sq_wqebbs = mlx5e_get_max_sq_wqebbs(mdev);
if (is_kdump_kernel() || !MLX5_CAP_GEN(mdev, tls_rx))
if (is_kdump_kernel() || !MLX5_CAP_GEN(mdev, tls_rx) || mlx5_get_sd(mdev))
return false;
/* Check the possibility to post the required ICOSQ WQEs. */

4
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
View File

@ -11,6 +11,7 @@
#ifdef CONFIG_MLX5_EN_TLS
#include "lib/crypto.h"
#include "lib/mlx5.h"
struct mlx5_crypto_dek *mlx5_ktls_create_key(struct mlx5_crypto_dek_pool *dek_pool,
struct tls_crypto_info *crypto_info);
@ -61,7 +62,8 @@ void mlx5e_ktls_rx_resync_destroy_resp_list(struct mlx5e_ktls_resync_resp *resp_
static inline bool mlx5e_is_ktls_tx(struct mlx5_core_dev *mdev)
{
return !is_kdump_kernel() && MLX5_CAP_GEN(mdev, tls_tx);
return !is_kdump_kernel() && MLX5_CAP_GEN(mdev, tls_tx) &&
!mlx5_get_sd(mdev);
}
bool mlx5e_is_ktls_rx(struct mlx5_core_dev *mdev);