Hi David,
> @@ -2668,8 +2673,6 @@ struct rtable *ip_route_output_key_hash_rcu(struct net
> *net, struct flowi4 *fl4,
> fib_select_path(net, res, fl4, skb);
>
> dev_out = FIB_RES_DEV(*res);
> - fl4->flowi4_oif = dev_out->ifindex;
> -
>
> make_route:
> rth = __mkroute_out
On 9/15/20 4:46 PM, David Miller wrote:
>
> The example topology and commands look like a good addition for
> selftests perhaps?
>
Definitely. I plan to integrate it into pmtu.sh.
From: David Ahern
Date: Mon, 14 Sep 2020 21:03:54 -0600
> Kfir reported that pmtu exceptions are not created properly for
> deployments where multipath routes use the same device.
>
> After some digging I see 2 compounding problems:
> 1. ip_route_output_key_hash_rcu is updating the flowi4_oif *a
Kfir reported that pmtu exceptions are not created properly for
deployments where multipath routes use the same device.
After some digging I see 2 compounding problems:
1. ip_route_output_key_hash_rcu is updating the flowi4_oif *after*
the route lookup. This is the second use case where this ha
