netdev - Re: [PATCH 2/2] net: netdevice mtu assumptions documentation

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:	Sat, 07 Jul 2007 23:04:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...ux-foundation.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] net: netdevice mtu assumptions documentation

From: Stephen Hemminger <shemminger@...ux-foundation.org>
Date: Fri, 6 Jul 2007 11:31:17 -0700

> Document the expectations about device MTU handling.
> The documentation about oversize packet handling is probably too
> loose.
> 
> IMHO devices should drop oversize packets for robustness,
> but many devices allow it now. For example, if you set mtu to 1200
> bytes, most ether devices will allow a 1500 byte frame in.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...ux-foundation.org>

Applied, thanks Stephen.

I agree that drivers should drop oversized frames, otherwise
setting up PMTU test scenerios is more difficult than it
really needs to be.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html