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Date: Sun, 18 Sep 2011 14:04:44 -0700 From: Dave Taht <dave.taht@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>, "Yan, Zheng" <zheng.z.yan@...el.com>, Herbert Xu <herbert@...dor.hengli.com.au>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "davem@...emloft.net" <davem@...emloft.net>, "sfr@...b.auug.org.au" <sfr@...b.auug.org.au> Subject: Re: [BUG?] tcp: potential bug in tcp_is_sackblock_valid() On Sun, Sep 18, 2011 at 1:39 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: > Le samedi 17 septembre 2011 à 11:30 -0700, Dave Taht a écrit : > >> >> As cerowrt is one of the few projects enabling sack/dsack/ecn by >> default, it would be good to know either >> > > dsack is enabled by default on linux, not only cerowt project. > >> A) how to test to see if this problem is really a problem >> B) should we apply the obvious fix > > Isnt Cerowrt a router, most of frames are forwarded anyway ? A very large suite of network test tools runs on the router itself - netperf, nuttcp, iperf, httping, etc. netperf, for example, ships, enabled. This is a means of being able to analyze performance of both the LFN and wireless from a central point, from a well defined platform, without having a random desktop involved. > This bug is relevant to linux hosts, receiving Duplicate Sacks (RFC > 2883). > > > > > > -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://the-edge.blogspot.com -- 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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