Thread (19 messages) flat view 19 messages, 4 authors, 2017-03-15

[RFC v1 for accelerated IPoIB 14/25] net/mlx5: Enable flow-steering for IB link

From: Erez Shitrit <hidden>
Date: 2017-03-13 18:32:02
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

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

Signed-off-by: Erez Shitrit <redacted>
---
 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;
-- 
1.8.3.1
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