diff options
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index fe649081fbd..6d37b7e2a76 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -468,6 +468,19 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, } break; + case NETDEV_CHANGEMTU: + for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { + vlandev = vlan_group_get_device(grp, i); + if (!vlandev) + continue; + + if (vlandev->mtu <= dev->mtu) + continue; + + dev_set_mtu(vlandev, dev->mtu); + } + break; + case NETDEV_FEAT_CHANGE: /* Propagate device features to underlying device */ for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { |