linux-kernel - Re: [PATCH] net/ipv6: allow device-only routes via the multipath API

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Message-ID: <19a97dce5fc.10e4ece0319525.6646442146487396729@azey.net>
Date: Tue, 18 Nov 2025 17:47:07 +0100
From: azey <me@...y.net>
To: "David Ahern" <dsahern@...nel.org>
Cc: "nicolasdichtel" <nicolas.dichtel@...nd.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Eric Dumazet" <edumazet@...gle.com>,
	"Jakub Kicinski" <kuba@...nel.org>,
	"Paolo Abeni" <pabeni@...hat.com>, "Simon Horman" <horms@...nel.org>,
	"netdev" <netdev@...r.kernel.org>,
	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/ipv6: allow device-only routes via the multipath
 API

On 2025-11-18 17:04:38 +0100,  David Ahern <dsahern@...nel.org> wrote:
> There is really no reason to take a risk of a regression. If someone
> wants ecmp with device only nexthops, then use the new nexthop infra to
> do it.

My initial reason was that device-only ECMP via `ip route` works with IPv4
but not IPv6, so I thought it'd make sense to unify functionality - but if
this is final I won't argue any further.

Thanks again for the reviews, and sorry for potentially wasting your time.