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Date: Fri, 13 Jun 2008 15:43:07 -0700 From: Stephen Hemminger <shemminger@...tta.com> To: Ben Hutchings <bhutchings@...arflare.com> Cc: David Miller <davem@...emloft.net>, Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org, linux-net-drivers@...arflare.com Subject: Re: [PATCH] net: Fix test for VLAN TX checksum offload capability On Fri, 13 Jun 2008 23:38:16 +0100 Ben Hutchings <bhutchings@...arflare.com> wrote: > Selected device feature bits can be propagated to VLAN devices, so we > can make use of TX checksum offload and TSO on VLAN-tagged packets. > However, if the physical device does not do VLAN tag insertion or > generic checksum offload then the test for TX checksum offload in > dev_queue_xmit() will see a protocol of htons(ETH_P_8021Q) and yield > false. Are you sure that some hardware isn't broken and can do vlan tag insertion or checksumming but not both? -- 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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