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net/mlx5: Prevent setting multicast macs for VFs

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Need to check that VF mac address entered by the admin user is either
zero or unicast mac.
Multicast mac addresses are prohibited.

Fixes: 77256579c6b4 ('net/mlx5: E-Switch, Introduce Vport administration functions')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mohamad Haj Yahia 2016-12-28 14:58:37 +02:00 committed by David S. Miller
parent 9b8c514291
commit ccce170026
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
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@ -1860,7 +1860,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
if (!ESW_ALLOWED(esw))
return -EPERM;
if (!LEGAL_VPORT(esw, vport))
if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
return -EINVAL;
mutex_lock(&esw->state_lock);