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

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Date:	Fri, 05 Dec 2014 07:50:53 -0500
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Jiri Pirko <jiri@...nulli.us>
CC:	roopa@...ulusnetworks.com, sfeldma@...il.com, bcrl@...ck.org,
	tgraf@...g.ch, 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 12/05/14 07:17, Jiri Pirko wrote:
> Fri, Dec 05, 2014 at 01:06:50PM CET, jhs@...atatu.com wrote:
>> On 12/04/14 21:26, 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 :)
>>>
>>
>> I know  in this use case it is a switch. But please dont use that term
>> for things that we are going to use as generic offload descriptors.
>> How about just simple: NETIF_F_HW_DEV_OFFLOAD_BIT
>
> What that should tell it stands for? I think we need something more
> specific.
>

Ok, the use case in this instance is very specific. My blinders
go off anytime i see switch or sw or swdev.
In which case maybe what Scott suggested but changing L2FWD
with FDB?

cheers,
jamal
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