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net/mlx5e: IPsec, Enclose csum logic under ipsec config

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All IPsec logic should be wrapped under the compile flag,
including its checksum logic.
Introduce an inline function in ipsec datapath header,
with a corresponding stub.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Huy Nguyen <huyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Tariq Toukan
2021-01-11 23:05:31 -08:00
committed by Jakub Kicinski
parent 763e1e547f
commit 3a28eda94c
2 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
View File

@@ -87,6 +87,11 @@ static inline bool mlx5e_ipsec_is_tx_flow(struct mlx5e_accel_tx_ipsec_state *ips
return ipsec_st->x;
}
static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg)
{
return eseg->flow_table_metadata & cpu_to_be32(MLX5_ETH_WQE_FT_META_IPSEC);
}
void mlx5e_ipsec_tx_build_eseg(struct mlx5e_priv *priv, struct sk_buff *skb,
struct mlx5_wqe_eth_seg *eseg);
#else
@@ -96,6 +101,11 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
struct mlx5_cqe64 *cqe)
{}
static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg)
{
return false;
}
static inline bool mlx5_ipsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; }
#endif /* CONFIG_MLX5_EN_IPSEC */

3
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
View File

@@ -241,9 +241,8 @@ mlx5e_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb,
eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
sq->stats->csum_partial++;
#endif
} else if (unlikely(eseg->flow_table_metadata & cpu_to_be32(MLX5_ETH_WQE_FT_META_IPSEC))) {
} else if (unlikely(mlx5e_ipsec_eseg_meta(eseg))) {
ipsec_txwqe_build_eseg_csum(sq, skb, eseg);
} else
sq->stats->csum_none++;
}