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Date: Fri, 05 Dec 2014 23:46:23 -0800 From: Roopa Prabhu <roopa@...ulusnetworks.com> To: Thomas Graf <tgraf@...g.ch> 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 12/5/14, 2:43 PM, Thomas Graf wrote: > 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. I mentioned it as an alternative because it was there in my RFC patch. There is no code for it yet. And I will get rid of the comment in v2. -- 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
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