netdev - Re: [PATCH net v2] ip_tunnel: fix over-mtu packet send fail without TUNNEL_DONT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201031172230.6a5120e2@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Sat, 31 Oct 2020 17:22:30 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     wenxu@...oud.cn
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net v2] ip_tunnel: fix over-mtu packet send fail without
 TUNNEL_DONT_FRAGMENT flags

On Fri, 30 Oct 2020 11:32:08 +0800 wenxu@...oud.cn wrote:
> From: wenxu <wenxu@...oud.cn>
> 
> The tunnel dvice such as vxlan, bareudp  and geneve in the lwt mode set
> the outer df only based TUNNEL_DONT_FRAGMENT. 
> And this is also the some behavior for gre device before switching to use 
> ip_md_tunnel_xmit as the following patch.
> 
> 962924f ip_gre: Refactor collect metatdata mode tunnel xmit to 
> ip_md_tunnel_xmit
> 
> When the ip_gre in lwt mode xmit with ip_md_tunnel_xmi changed the rule and
> make the discrepancy between handling of DF by different tunnels. So in the
> ip_md_tunnel_xmit should follow the same rule like other tunnels.
> 
> Fixes: cfc7381b3002 ("ip_tunnel: add collect_md mode to IPIP tunnel")
> Signed-off-by: wenxu <wenxu@...oud.cn>

Applied, thanks.