Merge tag 'omap-for-v4.8/dt-part1-signed-v2' of git://git.kernel.org/pub/scm/linux...

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx5 / core / vport.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index b69dadc..daf44cd 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -508,6 +508,44 @@ int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
 }
 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);
 
+int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
+                                   u32 vport, u64 node_guid)
+{
+       int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
+       void *nic_vport_context;
+       u8 *guid;
+       void *in;
+       int err;
+
+       if (!vport)
+               return -EINVAL;
+       if (!MLX5_CAP_GEN(mdev, vport_group_manager))
+               return -EACCES;
+       if (!MLX5_CAP_ESW(mdev, nic_vport_node_guid_modify))
+               return -ENOTSUPP;
+
+       in = mlx5_vzalloc(inlen);
+       if (!in)
+               return -ENOMEM;
+
+       MLX5_SET(modify_nic_vport_context_in, in,
+                field_select.node_guid, 1);
+       MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
+       MLX5_SET(modify_nic_vport_context_in, in, other_vport, !!vport);
+
+       nic_vport_context = MLX5_ADDR_OF(modify_nic_vport_context_in,
+                                        in, nic_vport_context);
+       guid = MLX5_ADDR_OF(nic_vport_context, nic_vport_context,
+                           node_guid);
+       MLX5_SET64(nic_vport_context, nic_vport_context, node_guid, node_guid);
+
+       err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+
+       kvfree(in);
+
+       return err;
+}
+
 int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
                                        u16 *qkey_viol_cntr)
 {