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Date: Fri, 13 Jun 2025 14:52:15 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Petr Machata <petrm@nvidia.com>
Cc: "David S. Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, "David Ahern"
 <dsahern@gmail.com>, <netdev@vger.kernel.org>, Simon Horman
 <horms@kernel.org>, Nikolay Aleksandrov <razor@blackwall.org>, Ido Schimmel
 <idosch@nvidia.com>, <mlxsw@nvidia.com>
Subject: Re: [PATCH net-next v2 09/14] net: ipv6: Add ip6_mr_output()
Message-ID: <20250613145215.282076c7@kernel.org>
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References: <cover.1749757582.git.petrm@nvidia.com>
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On Fri, 13 Jun 2025 20:59:27 +0200 Petr Machata wrote:
> > That would explain why you're not seeing the problem our netdevsim
> > runner doesn't have IPV6_MROUTE set, and you probably do?  
> 
> Yep, that's what reproduces it. The NIPA how-to-reproduce instructions
> show they use tools/testing/selftests/net/forwarding/config, but those
> enable IPV6_MROUTE, hence why it didn't reproduce for me.

I see. I think the wiki tries to mention that only local config is used.
I will add a couple of sentences to emphasize this.