netdev - Re: [PATCH net-next 06/11] net: l3mdev: remove redundant calls

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Date:   Mon, 7 Nov 2016 08:48:53 -0700
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Lorenzo Colitti <lorenzo@...gle.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        shm@...ulusnetworks.com
Subject: Re: [PATCH net-next 06/11] net: l3mdev: remove redundant calls

On 11/7/16 3:13 AM, Lorenzo Colitti wrote:
> What should we do here? It would seem that now that
> netif_index_is_l3_master has been resurrected, it's appropriate to use
> it here as well. The user-visible behaviour changed only two months
> ago. Unless we think that RSTs should always mirror the iif, in which
> case I can change our tests accordingly.

Using ingress information (iif in this case) to determine the route for a response seems appropriate.

I can send a patch to revert back to:

	if (!oif && netif_index_is_vrf(net, skb->skb_iif))
		oif = skb->skb_iif;

thanks for the report.