diff options
| author |   Yishai Hadas <yishaih@mellanox.com> | 2015-03-03 11:23:32 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-04-15 15:51:50 -0400 |
| commit | fb517a4f03041c5eaed394bd57ee518b44301f1a (patch) | |
| tree | aa2a5eb73abb70d1a364b50722f77fe3b05a3cb3 /drivers/net/ethernet/mellanox/mlx4/main.c | |
| parent | net/mlx4_core: Manage alias GUID per VF (diff) | |
| download | linux-dev-fb517a4f03041c5eaed394bd57ee518b44301f1a.tar.xz linux-dev-fb517a4f03041c5eaed394bd57ee518b44301f1a.zip | |
net/mlx4_core: Set initial admin GUIDs for VFs
To have out of the box experience, the PF generates random GUIDs who
serve as the initial admin values.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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); |