This is a note to let you know that I've just added the patch titled
net/mlx5: Refactor mlx5_get_flow_namespace
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-mlx5-refactor-mlx5_get_flow_namespace.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fa6378ea9e26d81b8ddf7085f3cc856f28657af3
Author: Maor Gottlieb <maorg@xxxxxxxxxx>
Date: Wed Dec 1 11:36:19 2021 -0800
net/mlx5: Refactor mlx5_get_flow_namespace
[ Upstream commit 4588fed7beae6d54ef4c67c77fc39364f8fc42af ]
Have all the namespace type check in the same switch case.
Signed-off-by: Maor Gottlieb <maorg@xxxxxxxxxx>
Reviewed-by: Mark Bloch <mbloch@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Stable-dep-of: c08d3e62b2e7 ("net/mlx5: Fix RDMA TX steering prio")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 3f49eff271cf2..3c5e9bf1cde33 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -2302,6 +2302,22 @@ struct mlx5_flow_namespace *mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev,
}
EXPORT_SYMBOL(mlx5_get_fdb_sub_ns);
+static bool is_nic_rx_ns(enum mlx5_flow_namespace_type type)
+{
+ switch (type) {
+ case MLX5_FLOW_NAMESPACE_BYPASS:
+ case MLX5_FLOW_NAMESPACE_LAG:
+ case MLX5_FLOW_NAMESPACE_OFFLOADS:
+ case MLX5_FLOW_NAMESPACE_ETHTOOL:
+ case MLX5_FLOW_NAMESPACE_KERNEL:
+ case MLX5_FLOW_NAMESPACE_LEFTOVERS:
+ case MLX5_FLOW_NAMESPACE_ANCHOR:
+ return true;
+ default:
+ return false;
+ }
+}
+
struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
enum mlx5_flow_namespace_type type)
{
@@ -2327,31 +2343,35 @@ 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;
- default:
- break;
- }
-
- if (type == MLX5_FLOW_NAMESPACE_EGRESS ||
- type == MLX5_FLOW_NAMESPACE_EGRESS_KERNEL) {
+ case MLX5_FLOW_NAMESPACE_EGRESS:
+ case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL:
root_ns = steering->egress_root_ns;
prio = type - MLX5_FLOW_NAMESPACE_EGRESS;
- } else if (type == MLX5_FLOW_NAMESPACE_RDMA_RX) {
+ break;
+ case MLX5_FLOW_NAMESPACE_RDMA_RX:
root_ns = steering->rdma_rx_root_ns;
prio = RDMA_RX_BYPASS_PRIO;
- } else if (type == MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL) {
+ break;
+ case MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL:
root_ns = steering->rdma_rx_root_ns;
prio = RDMA_RX_KERNEL_PRIO;
- } else if (type == MLX5_FLOW_NAMESPACE_RDMA_TX) {
+ break;
+ case MLX5_FLOW_NAMESPACE_RDMA_TX:
root_ns = steering->rdma_tx_root_ns;
- } else if (type == MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS) {
+ break;
+ case MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS:
root_ns = steering->rdma_rx_root_ns;
prio = RDMA_RX_COUNTERS_PRIO;
- } else if (type == MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS) {
+ break;
+ case MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS:
root_ns = steering->rdma_tx_root_ns;
prio = RDMA_TX_COUNTERS_PRIO;
- } else { /* Must be NIC RX */
+ break;
+ default: /* Must be NIC RX */
+ WARN_ON(!is_nic_rx_ns(type));
root_ns = steering->root_ns;
prio = type;
+ break;
}
if (!root_ns)
