diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 9162a6dd7823..ced5ecab5aa7 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2276,6 +2276,21 @@ __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) } EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); +void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) +{ + struct mlx4_priv *priv = mlx4_priv(dev); + __be64 guid; + + /* hw GUID */ + if (entry == 0) + return; + + get_random_bytes((char *)&guid, sizeof(guid)); + guid &= ~(cpu_to_be64(1ULL << 56)); + guid |= cpu_to_be64(1ULL << 57); + priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; +} + static int mlx4_setup_hca(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); |
