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Date: Thu, 11 Dec 2008 19:52:48 +0000 From: Ben Hutchings <bhutchings@...arflare.com> To: Jan Ceuleers <jan.ceuleers@...puter.org> Cc: Stephen Hemminger <shemminger@...tta.com>, netdev@...r.kernel.org Subject: Re: Default offload settings in Ethernet drivers On Thu, 2008-12-11 at 20:30 +0100, Jan Ceuleers wrote: > Stephen Hemminger wrote: > > I don't think there will be any difference. Linux (mainline) doesn't > > do TOE. It does do segmentation offload, and any driver that can > > do segmentation offload enables it by default. > > Stephen, > > Thanks for your reply. My experience with the r8169 driver is that it > does support rx checksumming, tx checksumming, scatter/gather and tcp > segmentation, but out of the above only enables rx checksumming by default. > > The other two ethernet drivers I have hardware for don't support any > hardware-assisted offloads (that is: they all support generic > segmentation offload but that isn't hardware-assisted and it is also not > enabled by default). Since v2.6.27, GSO is enabled by default for devices that can do TX scatter/gather and checksum offload. Ben. -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. -- 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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