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Date: Wed, 29 Oct 2014 07:50:24 +0200 From: Or Gerlitz <ogerlitz@...lanox.com> To: Tom Herbert <therbert@...gle.com> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: some failures with vxlan offloads.. On 10/28/2014 5:36 PM, Tom Herbert wrote: >> I wonder if we have another bug somewhere... when both sides were offloaded, >> >it works even with the mlx4 bug, canyou explain that?is it possible that the >> >GRO stack somehow covers on the bug when both sides are offloaded and >> >GRO/VXLAN comes into play? >> > Look at the receive side. As I mentioned, if the device is returning > checksum-unnecessary and setting csum_level to 1 (inner checksum was > validated) then stack won't try to verify the outer checksum. So in > this case if outer checksum is incorrect nobody complains about it. OK, I'll look there. Anything that should worries us at that stack trace I sent in my initial email of this thread, or you think this is related to the mlx4 driver checksum bug? Or. > -- 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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