[RFC for accelerated IPoIB 15/26] net/mlx5: Enable flow-steering for IB link

Erez Shitrit
2017-03-01T14:02:23Z

Get the relevant capabilities if supports ipoib_enhanced_offloads and
init the flow steering table accordingly.

Signed-off-by: Erez Shitrit <erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 10 +++++-----
drivers/net/ethernet/mellanox/mlx5/core/fw.c | 3 ++-
2 files changed, 7 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 fa4edd88daf1..dd21fc557281 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1991,9 +1991,6 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
struct mlx5_flow_steering *steering;
int err = 0;

- if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
- return 0;
-
err = mlx5_init_fc_stats(dev);
if (err)
return err;
@@ -2004,8 +2001,11 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
steering->dev = dev;
dev->priv.steering = steering;

- if (MLX5_CAP_GEN(dev, nic_flow_table) &&
- MLX5_CAP_FLOWTABLE_NIC_RX(dev, ft_support)) {
+ if ((((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
+ (MLX5_CAP_GEN(dev, nic_flow_table))) ||
+ ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
+ MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)))
+ && MLX5_CAP_FLOWTABLE_NIC_RX(dev, ft_support)) {
err = init_root_ns(steering);
if (err)
goto err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 5718aada6605..f95bc78b02f2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -123,7 +123,8 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
return err;
}

- if (MLX5_CAP_GEN(dev, nic_flow_table)) {
+ if (MLX5_CAP_GEN(dev, nic_flow_table) ||
+ MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE);
if (err)
return err;