Re: [PATCH v2] mac80211: drop non-auth 3-addr data frames when running as a 4-addr station

[Felix Fietkau <nbd@openwrt.org>]

On 2011-01-18 3:55 PM, Johannes Berg wrote:
> On Tue, 2011-01-18 at 15:48 +0100, Felix Fietkau wrote:
>> When running as a 4-addr station against an AP that has the 4-addr VLAN
>> interface and the main 3-addr AP interface bridged together, sometimes
>> frames originating from the station were looping back from the 3-addr AP
>> interface, causing the bridge code to emit warnings about receiving frames
>> with its own source address.
>> I'm not sure why this is happening yet, but I think it's a good idea to
>> drop all frames (except 802.1x/EAP frames) that do not match the configured
>> addressing mode, including 4-address frames sent to a 3-address station.
>> User test reports indicate that the problem goes away with this patch.
> 
> This looks better, thanks. But did they really test _this_ patch? :)
A few users tested this and told me that it didn't make things worse
compared to my first patch - which did fix some, but not all issues
related to this.

- Felix