diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index d2c814e7af97..c5bccc0df60d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -176,6 +176,7 @@ mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry, memcpy(&attrs->saddr, x->props.saddr.a6, sizeof(attrs->saddr)); memcpy(&attrs->daddr, x->id.daddr.a6, sizeof(attrs->daddr)); attrs->family = x->props.family; + attrs->type = x->xso.type; } static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h index 8e2f88f269ac..2c9aedf6b0ef 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h @@ -73,6 +73,7 @@ struct mlx5_accel_esp_xfrm_attrs { u8 dir : 2; u8 esn_overlap : 1; u8 esn_trigger : 1; + u8 type : 2; u8 family; u32 replay_window; }; @@ -102,8 +103,6 @@ struct mlx5e_ipsec_aso { u8 ctx[MLX5_ST_SZ_BYTES(ipsec_aso)]; dma_addr_t dma_addr; struct mlx5_aso *aso; - u32 pdn; - u32 mkey; }; struct mlx5e_ipsec { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c index 7fef5de55229..fc88454aaf8d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c @@ -53,6 +53,38 @@ u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev) } EXPORT_SYMBOL_GPL(mlx5_ipsec_device_caps); +static void mlx5e_ipsec_packet_setup(void *obj, u32 pdn, + struct mlx5_accel_esp_xfrm_attrs *attrs) +{ + void *aso_ctx; + + aso_ctx = MLX5_ADDR_OF(ipsec_obj, obj, ipsec_aso); + if (attrs->esn_trigger) { + MLX5_SET(ipsec_aso, aso_ctx, esn_event_arm, 1); + + if (attrs->dir == XFRM_DEV_OFFLOAD_IN) { + MLX5_SET(ipsec_aso, aso_ctx, window_sz, + attrs->replay_window / 64); + MLX5_SET(ipsec_aso, aso_ctx, mode, + MLX5_IPSEC_ASO_REPLAY_PROTECTION); + } + } + + /* ASO context */ + MLX5_SET(ipsec_obj, obj, ipsec_aso_access_pd, pdn); + MLX5_SET(ipsec_obj, obj, full_offload, 1); + MLX5_SET(ipsec_aso, aso_ctx, valid, 1); + /* MLX5_IPSEC_ASO_REG_C_4_5 is type C register that is used + * in flow steering to perform matching against. Please be + * aware that this register was chosen arbitrary and can't + * be used in other places as long as IPsec packet offload + * active. + */ + MLX5_SET(ipsec_obj, obj, aso_return_reg, MLX5_IPSEC_ASO_REG_C_4_5); + if (attrs->dir == XFRM_DEV_OFFLOAD_OUT) + MLX5_SET(ipsec_aso, aso_ctx, mode, MLX5_IPSEC_ASO_INC_SN); +} + static int mlx5_create_ipsec_obj(struct mlx5e_ipsec_sa_entry *sa_entry) { struct mlx5_accel_esp_xfrm_attrs *attrs = &sa_entry->attrs; @@ -61,6 +93,7 @@ static int mlx5_create_ipsec_obj(struct mlx5e_ipsec_sa_entry *sa_entry) u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; u32 in[MLX5_ST_SZ_DW(create_ipsec_obj_in)] = {}; void *obj, *salt_p, *salt_iv_p; + struct mlx5e_hw_objs *res; int err; obj = MLX5_ADDR_OF(create_ipsec_obj_in, in, ipsec_object); @@ -87,6 +120,10 @@ static int mlx5_create_ipsec_obj(struct mlx5e_ipsec_sa_entry *sa_entry) MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, MLX5_GENERAL_OBJECT_TYPES_IPSEC); + res = &mdev->mlx5e_res.hw_objs; + if (attrs->type == XFRM_DEV_OFFLOAD_PACKET) + mlx5e_ipsec_packet_setup(obj, res->pdn, attrs); + err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out)); if (!err) sa_entry->ipsec_obj_id =