diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/infiniband/hw/mlx5/flow.c | 95 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 |
2 files changed, 96 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c index 888f79d6a125..5750a650884e 100644 --- a/drivers/infiniband/hw/mlx5/flow.c +++ b/drivers/infiniband/hw/mlx5/flow.c @@ -202,6 +202,10 @@ void mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction) mlx5_modify_header_dealloc(maction->flow_action_raw.dev->mdev, maction->flow_action_raw.action_id); break; + case MLX5_IB_FLOW_ACTION_PACKET_REFORMAT: + mlx5_packet_reformat_dealloc(maction->flow_action_raw.dev->mdev, + maction->flow_action_raw.action_id); + break; case MLX5_IB_FLOW_ACTION_DECAP: break; default: @@ -293,6 +297,21 @@ static bool mlx5_ib_flow_action_packet_reformat_valid(struct mlx5_ib_dev *ibdev, u8 ft_type) { switch (packet_reformat_type) { + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL: + if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX) + return MLX5_CAP_FLOWTABLE(ibdev->mdev, + encap_general_header); + break; + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL: + if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX) + return MLX5_CAP_FLOWTABLE_NIC_TX(ibdev->mdev, + reformat_l2_to_l3_tunnel); + break; + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2: + if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX) + return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev, + reformat_l3_tunnel_to_l2); + break; case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2: if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX) return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev, decap); @@ -304,6 +323,56 @@ static bool mlx5_ib_flow_action_packet_reformat_valid(struct mlx5_ib_dev *ibdev, return false; } +static int mlx5_ib_dv_to_prm_packet_reforamt_type(u8 dv_prt, u8 *prm_prt) +{ + switch (dv_prt) { + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL: + *prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL; + break; + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2: + *prm_prt = MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2; + break; + case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL: + *prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int mlx5_ib_flow_action_create_packet_reformat_ctx( + struct mlx5_ib_dev *dev, + struct mlx5_ib_flow_action *maction, + u8 ft_type, u8 dv_prt, + void *in, size_t len) +{ + enum mlx5_flow_namespace_type namespace; + u8 prm_prt; + int ret; + + ret = mlx5_ib_ft_type_to_namespace(ft_type, &namespace); + if (ret) + return ret; + + ret = mlx5_ib_dv_to_prm_packet_reforamt_type(dv_prt, &prm_prt); + if (ret) + return ret; + + ret = mlx5_packet_reformat_alloc(dev->mdev, prm_prt, len, + in, namespace, + &maction->flow_action_raw.action_id); + if (ret) + return ret; + + maction->flow_action_raw.sub_type = + MLX5_IB_FLOW_ACTION_PACKET_REFORMAT; + maction->flow_action_raw.dev = dev; + + return 0; +} + static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)( struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) @@ -338,12 +407,34 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)( maction->flow_action_raw.sub_type = MLX5_IB_FLOW_ACTION_DECAP; maction->flow_action_raw.dev = mdev; + } else { + void *in; + int len; + + in = uverbs_attr_get_alloced_ptr(attrs, + MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF); + if (IS_ERR(in)) { + ret = PTR_ERR(in); + goto free_maction; + } + + len = uverbs_attr_get_len(attrs, + MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF); + + ret = mlx5_ib_flow_action_create_packet_reformat_ctx(mdev, + maction, ft_type, dv_prt, in, len); + if (ret) + goto free_maction; } uverbs_flow_action_fill_action(&maction->ib_action, uobj, uobj->context->device, IB_FLOW_ACTION_UNSPECIFIED); return 0; + +free_maction: + kfree(maction); + return ret; } DECLARE_UVERBS_NAMED_METHOD( @@ -401,6 +492,10 @@ DECLARE_UVERBS_NAMED_METHOD( UVERBS_OBJECT_FLOW_ACTION, UVERBS_ACCESS_NEW, UA_MANDATORY), + UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF, + UVERBS_ATTR_MIN_SIZE(1), + UA_ALLOC_AND_COPY, + UA_OPTIONAL), UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE, enum mlx5_ib_uapi_flow_action_packet_reformat_type, UA_MANDATORY), diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 8ac84cc00fd5..eb6a0ca0247f 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -153,6 +153,7 @@ struct mlx5_ib_pd { enum { MLX5_IB_FLOW_ACTION_MODIFY_HEADER, + MLX5_IB_FLOW_ACTION_PACKET_REFORMAT, MLX5_IB_FLOW_ACTION_DECAP, }; |