Date: Wed, 27 Feb 2013 00:38:35 +1100 From: Lawrence Stewart <lstewart@freebsd.org> To: Andre Oppermann <andre@FreeBSD.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Bug in sbsndptr() Message-ID: <512CBADB.3050004@freebsd.org>
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Hi Andre, A colleague and I spent a very frustrating day tracing an accounting bug in the multipath TCP patch we're working on at CAIA to a bug in sbsndptr(). I haven't tested it with regular TCP yet, but I believe the following patch fixes the bug (proposed commit log message is at the top of the patch): http://people.freebsd.org/~lstewart/patches/misctcp/sbsndptr_mnext_10.x.r247314.diff The patch should have no tangible effect to operation other than to ensure the function delivers on the promise to return the closest mbuf in the chain for the given offset. I would appreciate a review and any thoughts. Cheers, Lawrence
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