Re: [PATCH net-next v3 1/2] net: dsa: untag the bridge pvid from rx skbs

From: Vladimir Oltean
Date: Wed Sep 23 2020 - 18:58:08 EST


On Wed, Sep 23, 2020 at 03:54:59PM -0700, Florian Fainelli wrote:
> Not having much luck with using __vlan_find_dev_deep_rcu() for a reason
> I don't understand we trip over the proto value being neither of the two
> support Ethertype and hit the BUG().
>
> + upper_dev = __vlan_find_dev_deep_rcu(br, htons(proto), vid);
> + if (upper_dev)
> + return skb;
>
> Any ideas?

Damn...
Yes, of course, the skb->protocol is still ETH_P_XDSA which is where
eth_type_trans() on the master left it.