Commit a973f86b authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Saeed Mahameed
Browse files

RDMA/mlx5: Add support to multiple priorities for FDB rules 



Currently, the driver ignores the user's priority for flow steering
rules in FDB namespace. Change it and create the rule in the right
priority.
It will allow to create FDB steering rules in up to 16 different
priorities.

Signed-off-by: default avatarMaor Gottlieb <maorg@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Acked-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent c7d5fa10

drivers/infiniband/hw/mlx5/fs.c

+2 −2
Original line number Diff line number Diff line
@@ -1517,7 +1517,7 @@ _get_flow_table(struct mlx5_ib_dev *dev, 
					       reformat_l3_tunnel_to_l2) &&

		    esw_encap)

			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;

		priority = FDB_BYPASS_PATH;

		priority = fs_matcher->priority;

		break;

	case MLX5_FLOW_NAMESPACE_RDMA_RX:

		max_table_size = BIT(
@@ -1547,7 +1547,7 @@ _get_flow_table(struct mlx5_ib_dev *dev, 
		prio = &dev->flow_db->egress_prios[priority];

		break;

	case MLX5_FLOW_NAMESPACE_FDB_BYPASS:

		prio = &dev->flow_db->fdb;

		prio = &dev->flow_db->fdb[priority];

		break;

	case MLX5_FLOW_NAMESPACE_RDMA_RX:

		prio = &dev->flow_db->rdma_rx[priority];

drivers/infiniband/hw/mlx5/mlx5_ib.h

+2 −1
Original line number Diff line number Diff line
@@ -232,6 +232,7 @@ enum { 
#define MLX5_IB_NUM_FLOW_FT		(MLX5_IB_FLOW_LEFTOVERS_PRIO + 1)

#define MLX5_IB_NUM_SNIFFER_FTS		2

#define MLX5_IB_NUM_EGRESS_FTS		1

#define MLX5_IB_NUM_FDB_FTS		MLX5_BY_PASS_NUM_REGULAR_PRIOS

struct mlx5_ib_flow_prio {

	struct mlx5_flow_table		*flow_table;

	unsigned int			refcount;
@@ -276,7 +277,7 @@ struct mlx5_ib_flow_db { 
	struct mlx5_ib_flow_prio	egress_prios[MLX5_IB_NUM_FLOW_FT];

	struct mlx5_ib_flow_prio	sniffer[MLX5_IB_NUM_SNIFFER_FTS];

	struct mlx5_ib_flow_prio	egress[MLX5_IB_NUM_EGRESS_FTS];

	struct mlx5_ib_flow_prio	fdb;

	struct mlx5_ib_flow_prio	fdb[MLX5_IB_NUM_FDB_FTS];

	struct mlx5_ib_flow_prio	rdma_rx[MLX5_IB_NUM_FLOW_FT];

	struct mlx5_ib_flow_prio	rdma_tx[MLX5_IB_NUM_FLOW_FT];

	struct mlx5_ib_flow_prio	opfcs[MLX5_IB_OPCOUNTER_MAX];