[PATCH mlx5-next 4/4] RDMA/mlx5: Add support to multiple priorities for FDB rules
flat view
STALE1771d
REVIEWED: 1 (1M)
From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-12-01 19:37:01
Also in:
linux-rdma
Subsystem:
infiniband subsystem, mellanox mlx5 ib driver, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
1 review trailer.
From: Maor Gottlieb <redacted> 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: Maor Gottlieb <redacted> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- drivers/infiniband/hw/mlx5/fs.c | 4 ++-- drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
index 510ef85ef6e4..661ed2b44508 100644
--- a/drivers/infiniband/hw/mlx5/fs.c
+++ b/drivers/infiniband/hw/mlx5/fs.c@@ -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];
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index e636e954f6bf..e3c33be9c5a0 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h@@ -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];
--
2.31.1