netdev - Re: [PATCH net] bridge: allow receiption on disabled port

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Message-ID: <5257D067.2050607@openwrt.org>
Date:	Fri, 11 Oct 2013 12:18:15 +0200
From:	Felix Fietkau <nbd@...nwrt.org>
To:	Stephen Hemminger <stephen@...workplumber.org>
CC:	netdev@...r.kernel.org
Subject: Re: [PATCH net] bridge: allow receiption on disabled port

On 2013-10-11 4:35 AM, Stephen Hemminger wrote:
> This is what I was thinking would be better.
> 
> Don't want these packets leaking into PRE_ROUTEING chain or have
> any chance to get flooded out other ports.
> 
> Compile tested only...
> 
> I could use another goto instead but that becomes spaghetti and
> never like to jump back into a block.
[...]
>  forward:
>  	switch (p->state) {
> +	case BR_STATE_DISABLED:
> +		if (!ether_addr_equal(p->br->dev->dev_addr, dest))
> +			goto drop;
Checking against the bridge device address isn't enough, WPA EAPOL
packets are addressed to the wifi device MAC address.

- Felix
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