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Date: Mon, 11 Aug 2008 18:30:11 -0700 From: Rick Jones <rick.jones2@...com> To: Herbert Xu <herbert@...dor.apana.org.au> CC: David Miller <davem@...emloft.net>, gallatin@...i.com, netdev@...r.kernel.org, brice@...i.com Subject: Re: LRO restructuring? Herbert Xu wrote: > On Mon, Aug 11, 2008 at 05:54:34PM -0700, David Miller wrote: > >>And the checksums :-) As an intermediate node we don't want >>to touch the checksum. > > > Yeah if it wasn't verified then we must store this as well. Even if it was verified I think you want to keep the checksums from the header. Since an intermediate device isn't supposed to be peeking at the TCP part anyway, it wouldn't do to drop the segment ourselves, pass it along to be dropped by the ultimate reciever. And if there is something amis in the verification or the regeneration, we don't want to introduce silent data corruption. Likely that also goes for the IP header checksum... rick jones -- 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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