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RDMA/mlx5: Drop crypto flow steering API

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The mlx5 flow steering crypto API was intended to be used in FPGA
devices, which is not supported for years already. The removal of
mlx5 crypto FPGA code together with inability to configure encryption
keys makes the low steering API completely unusable.

So delete the code, so any ESP flow steering requests will fail with
not supported error, as it is happening now anyway as no device support
this type of API.

Link: https://lore.kernel.org/r/634a5face7734381463d809bfb89850f6998deac.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
This commit is contained in:
Leon Romanovsky 2022-04-06 11:25:42 +03:00
parent 74ec29bdb0
commit de8bdb4769
5 changed files with 10 additions and 262 deletions
Download patch file Download diff file Expand all files Collapse all files

13
include/linux/mlx5/accel.h
View file

@ -111,10 +111,6 @@ struct mlx5_accel_esp_xfrm {
struct mlx5_accel_esp_xfrm_attrs attrs;
};
enum {
MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA = 1UL << 0,
};
enum mlx5_accel_ipsec_cap {
MLX5_ACCEL_IPSEC_CAP_DEVICE = 1 << 0,
MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA = 1 << 1,
@ -132,8 +128,7 @@ u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev);
struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
const struct mlx5_accel_esp_xfrm_attrs *attrs,
u32 flags);
const struct mlx5_accel_esp_xfrm_attrs *attrs);
void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm);
int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
const struct mlx5_accel_esp_xfrm_attrs *attrs);
@ -144,8 +139,10 @@ static inline u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev) { ret
static inline struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
const struct mlx5_accel_esp_xfrm_attrs *attrs,
u32 flags) { return ERR_PTR(-EOPNOTSUPP); }
const struct mlx5_accel_esp_xfrm_attrs *attrs)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void
mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm) {}
static inline int