Re: [PATCH 1/3] macvlan: Reflect macvlan packets meant for other macvlan devices

Arnd Bergmann
2009-11-19T11:47:01Z

On Thursday 19 November 2009, Eric W. Biederman wrote:
> > It seems that we should never drop dst then. We either forward the frame to
> > netif_rx or to dev_queue_xmit, and from how I read it now, we want to keep
> > the dst in both cases.
>
> When we loop back on our selves we certainly need to have dst clear because
> we don't know how to cache routes through multiple network namespaces.

Ah, right. So should I add the explicit dst_drop to the new dev_forward_skb()
then? The veth driver doesn't need it, but it also looks like it won't hurt.