Commit ef1749d5 authored by Patrisious Haddad's avatar Patrisious Haddad Committed by Jakub Kicinski
Browse files

net/mlx5: fs, Add support for RDMA RX steering over IB link layer 



Relax the capability check for creating the RDMA RX steering domain
by considering only the capabilities reported by the firmware
as necessary for its creation, which in turn allows RDMA RX creation
over devices with IB link layer as well.

The table_miss_action_domain capability is required only for a specific
priority, which is handled in mlx5_rdma_enable_roce_steering().
The additional capability check for this case is already in place.

Signed-off-by: default avatarPatrisious Haddad <phaddad@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241219175841.1094544-12-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f440d69a

drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c

+2 −1
Original line number Diff line number Diff line
@@ -217,7 +217,8 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns, 
	int err;



	if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&

	    underlay_qpn == 0)

	    underlay_qpn == 0 &&

	    (ft->type != FS_FT_RDMA_RX && ft->type != FS_FT_RDMA_TX))

		return 0;



	if (ft->type == FS_FT_FDB &&

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

+1 −2
Original line number Diff line number Diff line
@@ -3665,8 +3665,7 @@ int mlx5_fs_core_init(struct mlx5_core_dev *dev) 
			goto err;

	}



	if (MLX5_CAP_FLOWTABLE_RDMA_RX(dev, ft_support) &&

	    MLX5_CAP_FLOWTABLE_RDMA_RX(dev, table_miss_action_domain)) {

	if (MLX5_CAP_FLOWTABLE_RDMA_RX(dev, ft_support)) {

		err = init_rdma_rx_root_ns(steering);

		if (err)

			goto err;