From: Jakub Kicinski <kuba@kernel.org>
To: Aleksey Shumnik <ashumnik9@gmail.com>
Cc: netdev@vger.kernel.org, David Ahern <dsahern@gmail.com>,
Ido Schimmel <idosch@idosch.org>
Subject: Re: [PATCH] net/ipv4/ip_gre.c net/ipv6/ip6_gre.c: ip and gre header are recorded twice
Date: Fri, 1 Jul 2022 18:42:22 -0700 [thread overview]
Message-ID: <20220701184222.34b75a77@kernel.org> (raw)
In-Reply-To: <20220701183151.1d623693@kernel.org>
On Fri, 1 Jul 2022 18:31:51 -0700 Jakub Kicinski wrote:
> On Tue, 28 Jun 2022 18:18:27 +0300 Aleksey Shumnik wrote:
> > pre-up ip tunnel add mgre0 mode ip6gre local 4444::1111 key 1 ttl 64 tos inherit
>
> I can't get GRE6 tunnels to work as NBMA net at all.
> AFAICT ip6gre_tunnel_xmit() takes the endpoint addresses straight
> from the netdev, only ip6tnl seems to be doing a lookup.
> Am I doing it wrong?
If it's just v4 could perhaps be commit fdafed459998 ("ip_gre: set
dev->hard_header_len and dev->needed_headroom properly"). Would you
be able to try some kernel older than 5.8?
next prev parent reply other threads:[~2022-07-02 1:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-21 13:48 [PATCH] net/ipv4/ip_gre.c net/ipv6/ip6_gre.c: ip and gre header are recorded twice Aleksey Shumnik
2022-06-23 0:19 ` Jakub Kicinski
2022-06-23 13:51 ` Aleksey Shumnik
2022-06-24 3:26 ` Jakub Kicinski
2022-06-24 13:51 ` Aleksey Shumnik
2022-06-24 17:17 ` Jakub Kicinski
2022-06-28 15:18 ` Aleksey Shumnik
2022-07-02 1:31 ` Jakub Kicinski
2022-07-02 1:42 ` Jakub Kicinski [this message]
2022-07-07 16:41 ` Aleksey Shumnik
2022-07-07 23:23 ` Jakub Kicinski
2022-07-28 13:54 ` Aleksey Shumnik
2022-07-28 15:17 ` Jakub Kicinski
2022-07-29 11:56 ` Aleksey Shumnik
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