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net/mlx5e: Delete obsolete IPsec code 

After addition of HW managed counters and implementation drop
in flow steering logic, the code in driver which checks syndrome
is not reachable anymore.

Let's delete it.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Leon Romanovsky 2023-10-04 15:42:56 +03:00 committed by Saeed Mahameed
parent 6fb7f94087
commit 77bed87f76
4 changed files with 2 additions and 26 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
View File

@ -137,7 +137,6 @@ struct mlx5e_ipsec_hw_stats {
struct mlx5e_ipsec_sw_stats {
atomic64_t ipsec_rx_drop_sp_alloc;
atomic64_t ipsec_rx_drop_sadb_miss;
atomic64_t ipsec_rx_drop_syndrome;
atomic64_t ipsec_tx_drop_bundle;
atomic64_t ipsec_tx_drop_no_state;
atomic64_t ipsec_tx_drop_not_ip;

25
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
View File

@ -304,12 +304,6 @@ drop:
return false;
}
enum {
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_DECRYPTED,
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_AUTH_FAILED,
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_BAD_TRAILER,
};
void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
struct sk_buff *skb,
u32 ipsec_meta_data)
@ -343,20 +337,7 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
xo = xfrm_offload(skb);
xo->flags = CRYPTO_DONE;
switch (MLX5_IPSEC_METADATA_SYNDROM(ipsec_meta_data)) {
case MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_DECRYPTED:
xo->status = CRYPTO_SUCCESS;
break;
case MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_AUTH_FAILED:
xo->status = CRYPTO_TUNNEL_ESP_AUTH_FAILED;
break;
case MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_BAD_TRAILER:
xo->status = CRYPTO_INVALID_PACKET_SYNTAX;
break;
default:
atomic64_inc(&ipsec->sw_stats.ipsec_rx_drop_syndrome);
}
xo->status = CRYPTO_SUCCESS;
}
int mlx5_esw_ipsec_rx_make_metadata(struct mlx5e_priv *priv, u32 id, u32 *metadata)
@ -374,8 +355,6 @@ int mlx5_esw_ipsec_rx_make_metadata(struct mlx5e_priv *priv, u32 id, u32 *metada
return err;
}
*metadata = MLX5_IPSEC_METADATA_CREATE(ipsec_obj_id,
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_DECRYPTED);
*metadata = ipsec_obj_id;
return 0;
}

1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
View File

@ -43,7 +43,6 @@
#define MLX5_IPSEC_METADATA_MARKER(metadata) (((metadata) >> 31) & 0x1)
#define MLX5_IPSEC_METADATA_SYNDROM(metadata) (((metadata) >> 24) & GENMASK(5, 0))
#define MLX5_IPSEC_METADATA_HANDLE(metadata) ((metadata) & GENMASK(23, 0))
#define MLX5_IPSEC_METADATA_CREATE(id, syndrome) ((id) | ((syndrome) << 24))
struct mlx5e_accel_tx_ipsec_state {
struct xfrm_offload *xo;

1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
View File

@ -51,7 +51,6 @@ static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_syndrome) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_bundle) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) },