netdev - Re: [PATCH net] geneve: update skb dst pmtu on tx path

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] [day] [month] [year] [list]

Date:   Tue, 02 Jan 2018 12:36:35 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     lucien.xin@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] geneve: update skb dst pmtu on tx path

From: Xin Long <lucien.xin@...il.com>
Date: Mon, 25 Dec 2017 14:43:58 +0800

> Commit a93bf0ff4490 ("vxlan: update skb dst pmtu on tx path") has fixed
> a performance issue caused by the change of lower dev's mtu for vxlan.
> 
> The same thing needs to be done for geneve as well.
> 
> Note that geneve cannot adjust it's mtu according to lower dev's mtu
> when creating it. The performance is very low later when netperfing
> over it without fixing the mtu manually. This patch could also avoid
> this issue.
> 
> Signed-off-by: Xin Long <lucien.xin@...il.com>

Applied.