netdev - Re: [PATCH net-next RFC v2] switchdev: bridge: drop hardware forwarded packets

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]

Date:	Fri, 20 Mar 2015 16:36:55 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	roopa@...ulusnetworks.com
Cc:	sfeldma@...il.com, jiri@...nulli.us, ronen.arad@...el.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next RFC v2] switchdev: bridge: drop hardware
 forwarded packets

From: roopa@...ulusnetworks.com
Date: Fri, 20 Mar 2015 09:58:34 -0700

> On a Linux bridge with bridge forwarding offloaded to switch ASIC,
> there is a need to not re-forward frames that have already been
> forwarded in hardware.

It's impossible to validate this without seeing a use case where
the device marks packets appropriately in order to trigger this
new code.

And as John said, some devices may not even be able to do that.
--
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