netdev - Re: [PATCH 1/3] netdev: introduce new NETIF_F_HW_SWITCH_OFFLOAD feature flag for switch device offloads

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, 5 Dec 2014 22:43:20 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	roopa@...ulusnetworks.com
Cc:	jiri@...nulli.us, sfeldma@...il.com, jhs@...atatu.com,
	bcrl@...ck.org, john.fastabend@...il.com,
	stephen@...workplumber.org, linville@...driver.com,
	nhorman@...driver.com, nicolas.dichtel@...nd.com,
	vyasevic@...hat.com, f.fainelli@...il.com, buytenh@...tstofly.org,
	aviadr@...lanox.com, netdev@...r.kernel.org, davem@...emloft.net,
	shm@...ulusnetworks.com, gospo@...ulusnetworks.com
Subject: Re: [PATCH 1/3] netdev: introduce new NETIF_F_HW_SWITCH_OFFLOAD
 feature flag for switch device offloads

On 12/04/14 at 06:26pm, roopa@...ulusnetworks.com wrote:
> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> 
> This is a generic high level feature flag for all switch asic features today.
> 
> switch drivers set this flag on switch ports. Logical devices like
> bridge, bonds, vxlans can inherit this flag from their slaves/ports.
> 
> I had to use SWITCH in the name to avoid ambiguity with other feature
> flags. But, since i have been harping about not calling it 'switch',
> I am welcome to any suggestions :)
> 
> An alternative to using a feature flag is to use a IFF_HW_OFFLOAD
> in net_device_flags.

What does this flag indicate specifically? What driver would
implement ndo_bridge_setlink() but not set this flag?

I think it should be clearly documented when this flag is to bet set.
--
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