[Bridge] [PATCH net-next 4/4] bridge: Support 802.1ad vlan filtering
makita.toshiaki at lab.ntt.co.jp
Tue Jun 10 07:15:35 UTC 2014
(2014/06/10 9:50), Vlad Yasevich wrote:
> On 06/09/2014 07:34 AM, Toshiaki Makita wrote:
>> This enables us to change the vlan protocol for vlan filtering.
>> We come to be able to filter frames on the basis of 802.1ad vlan tags
>> through a bridge.
>> This also changes br->group_addr if it has not been set by user.
>> This is needed for an 802.1ad bridge.
>> (See IEEE 802.1Q-2011 8.13.5.)
>> To change the vlan protocol, write a protocol in sysfs:
>> # echo 0x88a8 > /sys/class/net/br0/bridge/vlan_protocol
>> Signed-off-by: Toshiaki Makita <makita.toshiaki at lab.ntt.co.jp>
>> net/bridge/br_private.h | 2 ++
>> net/bridge/br_sysfs_br.c | 18 +++++++++++
>> net/bridge/br_vlan.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++
>> 3 files changed, 101 insertions(+)
>> diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
>> index 65204c2..3c5b23b 100644
>> --- a/net/bridge/br_private.h
>> +++ b/net/bridge/br_private.h
>> @@ -246,6 +246,7 @@ struct net_bridge
>> unsigned long bridge_forward_delay;
>> u8 group_addr[ETH_ALEN];
>> + unsigned char group_addr_set;
> nit: can be bool since you just use true/false.
I'm not sure which is better in struct... but maybe it's more explicit.
will change it in v2.
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