xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bridge: netlink: add support for vlan_filtering attribute

Browse Source 
This patch adds the ability to toggle the vlan filtering support via
netlink. Since we're already running with rtnl in .changelink() we don't
need to take any additional locks.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
2015-08-07 19:40:45 +03:00
committed by David S. Miller
parent e72ee3ed51
commit a7854037da
4 changed files with 33 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
net/bridge/br_vlan.c
View File

@@ -468,21 +468,27 @@ void br_recalculate_fwd_mask(struct net_bridge *br)
~(1u << br->group_addr[5]);
}
int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
{
if (!rtnl_trylock())
return restart_syscall();
if (br->vlan_enabled == val)
goto unlock;
return 0;
br->vlan_enabled = val;
br_manage_promisc(br);
recalculate_group_addr(br);
br_recalculate_fwd_mask(br);
unlock:
return 0;
}
int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
{
if (!rtnl_trylock())
return restart_syscall();
__br_vlan_filter_toggle(br, val);
rtnl_unlock();
return 0;
}