From: Jakub Kicinski <kuba@kernel.org>
To: Thomas Winter <Thomas.Winter@alliedtelesis.co.nz>
Cc: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org,
pabeni@redhat.com, edumazet@google.com, a@unstable.cc,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] ip/ip6_gre: Fix GRE tunnels not generating IPv6 link local addresses
Date: Tue, 24 Jan 2023 19:28:08 -0800 [thread overview]
Message-ID: <20230124192808.056cf9e8@kernel.org> (raw)
In-Reply-To: <20230124032105.79487-1-Thomas.Winter@alliedtelesis.co.nz>
On Tue, 24 Jan 2023 16:21:01 +1300 Thomas Winter wrote:
> For our point-to-point GRE tunnels, they have IN6_ADDR_GEN_MODE_NONE
> when they are created then we set IN6_ADDR_GEN_MODE_EUI64 when they
> come up to generate the IPv6 link local address for the interface.
> Recently we found that they were no longer generating IPv6 addresses.
>
> Also, non-point-to-point tunnels were not generating any IPv6 link
> local address and instead generating an IPv6 compat address,
> breaking IPv6 communication on the tunnel.
>
> These failures were caused by commit e5dd729460ca and this patch set
> aims to resolve these issues.
Ah, you have the problem statement here. It needs to go into the
patches, I'm afraid. The cover letters are not as visible in-tree
and certainly don't make it to stable trees.
next prev parent reply other threads:[~2023-01-25 3:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 3:21 [PATCH 0/2] ip/ip6_gre: Fix GRE tunnels not generating IPv6 link local addresses Thomas Winter
2023-01-24 3:21 ` [PATCH 1/2] ip/ip6_gre: Fix changing addr gen mode not generating IPv6 link local address Thomas Winter
2023-01-24 3:21 ` [PATCH 2/2] ip/ip6_gre: Fix non-point-to-point tunnel " Thomas Winter
2023-01-24 3:21 ` [PATCH v3 1/2] ip/ip6_gre: Fix changing addr gen mode " Thomas Winter
2023-01-25 3:24 ` Jakub Kicinski
2023-01-24 3:21 ` [PATCH v3 2/2] ip/ip6_gre: Fix non-point-to-point tunnel " Thomas Winter
2023-01-25 3:28 ` Jakub Kicinski [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-12-19 1:06 [PATCH 0/2] ip/ip6_gre: Fix GRE tunnels not generating IPv6 link local addresses Thomas Winter
2022-12-20 2:25 ` Chris Packham
2022-12-20 2:32 ` Chris Packham
2022-12-20 3:06 ` Thomas Winter
2022-12-20 3:07 ` Chris Packham
2022-12-18 21:57 Thomas Winter
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