[PATCH mlx5-next 3/4] net/mlx5: Create more priorities for FDB bypass namespace
flat view
STALE1759d
REVIEWED: 2 (2M)
From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-12-01 19:36:59
Also in:
linux-rdma
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
1 review trailer (1 from subsystem maintainers).
From: Maor Gottlieb <redacted> Create 16 flow steering priorities for FDB bypass users. Signed-off-by: Maor Gottlieb <redacted> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- .../net/ethernet/mellanox/mlx5/core/fs_core.c | 35 +++++++++++++++---- 1 file changed, 29 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 9736f0dd6a49..a8671d7b7ca8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c@@ -2236,7 +2236,6 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, switch (type) { case MLX5_FLOW_NAMESPACE_FDB: - case MLX5_FLOW_NAMESPACE_FDB_BYPASS: if (steering->fdb_root_ns) return &steering->fdb_root_ns->ns; return NULL;
@@ -2252,6 +2251,10 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, if (steering->sniffer_tx_root_ns) return &steering->sniffer_tx_root_ns->ns; return NULL; + case MLX5_FLOW_NAMESPACE_FDB_BYPASS: + root_ns = steering->fdb_root_ns; + prio = FDB_BYPASS_PATH; + break; case MLX5_FLOW_NAMESPACE_EGRESS: case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL: root_ns = steering->egress_root_ns;
@@ -2843,6 +2846,28 @@ static int create_fdb_fast_path(struct mlx5_flow_steering *steering) return 0; } +static int create_fdb_bypass(struct mlx5_flow_steering *steering) +{ + struct mlx5_flow_namespace *ns; + struct fs_prio *prio; + int i; + + prio = fs_create_prio(&steering->fdb_root_ns->ns, FDB_BYPASS_PATH, 0); + if (IS_ERR(prio)) + return PTR_ERR(prio); + + ns = fs_create_namespace(prio, MLX5_FLOW_TABLE_MISS_ACTION_DEF); + if (IS_ERR(ns)) + return PTR_ERR(ns); + + for (i = 0; i < MLX5_BY_PASS_NUM_REGULAR_PRIOS; i++) { + prio = fs_create_prio(ns, i, 1); + if (IS_ERR(prio)) + return PTR_ERR(prio); + } + return 0; +} + static int init_fdb_root_ns(struct mlx5_flow_steering *steering) { struct fs_prio *maj_prio;
@@ -2852,12 +2877,10 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering) if (!steering->fdb_root_ns) return -ENOMEM; - maj_prio = fs_create_prio(&steering->fdb_root_ns->ns, FDB_BYPASS_PATH, - 1); - if (IS_ERR(maj_prio)) { - err = PTR_ERR(maj_prio); + err = create_fdb_bypass(steering); + if (err) goto out_err; - } + err = create_fdb_fast_path(steering); if (err) goto out_err;
--
2.31.1