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Subject[PATCH 5.4 17/90] net/mlx5: Consider RoCE cap before init RDMA resources
Date
From: Maor Gottlieb <maorg@nvidia.com>

[ Upstream commit c189716b2a7c1d2d8658e269735273caa1c38b54 ]

Check if RoCE is supported by the device before enable it in
the vport context and create all the RDMA steering objects.

Fixes: 80f09dfc237f ("net/mlx5: Eswitch, enable RoCE loopback traffic")
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/rdma.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
index 8e0dddc6383f..2389239acadc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
@@ -156,6 +156,9 @@ void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev)
{
int err;

+ if (!MLX5_CAP_GEN(dev, roce))
+ return;
+
err = mlx5_nic_vport_enable_roce(dev);
if (err) {
mlx5_core_err(dev, "Failed to enable RoCE: %d\n", err);
--
2.30.2


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