Commit 52931f55 authored by Patrisious Haddad's avatar Patrisious Haddad Committed by Leon Romanovsky
Browse files

net/mlx5: fs, add multiple prios to RDMA TRANSPORT steering domain 



RDMA TRANSPORT domains were initially limited to a single priority.
This change allows the domains to have multiple priorities, making
it possible to add several rules and control the order in which
they're evaluated.

Signed-off-by: default avatarPatrisious Haddad <phaddad@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/b299cbb4c8678a33da6e6b6988b5bf6145c54b88.1750148083.git.leon@kernel.org


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent e04c78d8

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

+22 −8
Original line number Diff line number Diff line
@@ -3245,34 +3245,48 @@ static int 
init_rdma_transport_rx_root_ns_one(struct mlx5_flow_steering *steering,

				   int vport_idx)

{

	struct mlx5_flow_root_namespace *root_ns;

	struct fs_prio *prio;

	int i;



	steering->rdma_transport_rx_root_ns[vport_idx] =

		create_root_ns(steering, FS_FT_RDMA_TRANSPORT_RX);

	if (!steering->rdma_transport_rx_root_ns[vport_idx])

		return -ENOMEM;



	/* create 1 prio*/

	prio = fs_create_prio(&steering->rdma_transport_rx_root_ns[vport_idx]->ns,

			      MLX5_RDMA_TRANSPORT_BYPASS_PRIO, 1);

	return PTR_ERR_OR_ZERO(prio);

	root_ns = steering->rdma_transport_rx_root_ns[vport_idx];



	for (i = 0; i < MLX5_RDMA_TRANSPORT_BYPASS_PRIO; i++) {

		prio = fs_create_prio(&root_ns->ns, i, 1);

		if (IS_ERR(prio))

			return PTR_ERR(prio);

	}

	set_prio_attrs(root_ns);

	return 0;

}



static int

init_rdma_transport_tx_root_ns_one(struct mlx5_flow_steering *steering,

				   int vport_idx)

{

	struct mlx5_flow_root_namespace *root_ns;

	struct fs_prio *prio;

	int i;



	steering->rdma_transport_tx_root_ns[vport_idx] =

		create_root_ns(steering, FS_FT_RDMA_TRANSPORT_TX);

	if (!steering->rdma_transport_tx_root_ns[vport_idx])

		return -ENOMEM;



	/* create 1 prio*/

	prio = fs_create_prio(&steering->rdma_transport_tx_root_ns[vport_idx]->ns,

			      MLX5_RDMA_TRANSPORT_BYPASS_PRIO, 1);

	return PTR_ERR_OR_ZERO(prio);

	root_ns = steering->rdma_transport_tx_root_ns[vport_idx];



	for (i = 0; i < MLX5_RDMA_TRANSPORT_BYPASS_PRIO; i++) {

		prio = fs_create_prio(&root_ns->ns, i, 1);

		if (IS_ERR(prio))

			return PTR_ERR(prio);

	}

	set_prio_attrs(root_ns);

	return 0;

}



static int init_rdma_transport_rx_root_ns(struct mlx5_flow_steering *steering)

include/linux/mlx5/fs.h

+1 −1
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 


#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)



#define MLX5_RDMA_TRANSPORT_BYPASS_PRIO 0

#define MLX5_RDMA_TRANSPORT_BYPASS_PRIO 16

#define MLX5_FS_MAX_POOL_SIZE BIT(30)



enum mlx5_flow_destination_type {