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Date: Wed, 1 Sep 2010 07:34:43 +0200 From: Gerrit Renker <gerrit@....abdn.ac.uk> To: Ilpo J?rvinen <ilpo.jarvinen@...sinki.fi>, David Miller <davem@...emloft.net>, Netdev <netdev@...r.kernel.org> Subject: net-next-2.6 [PATCH 1/1] tcp: add missing initial window (RFC 3390) for tcp_output Please can you have a look, I have checked it, appears to be correct and compiles cleanly. Thanks again to Ilpo. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Patch <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< tcp: update also tcp_output with regard to RFC 5681 Thanks to Ilpo Jarvinen, his updates also the initial window setting for tcp_output with regard to RFC 5681. Signed-off-by: Gerrit Renker <gerrit@....abdn.ac.uk> --- net/ipv4/tcp_output.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -225,15 +225,11 @@ void tcp_select_initial_window(int __spa } /* Set initial window to value enough for senders, - * following RFC2414. Senders, not following this RFC, - * will be satisfied with 2. + * following RFC5681 (which updates RFC3390). */ if (mss > (1 << *rcv_wscale)) { - int init_cwnd = 4; - if (mss > 1460 * 3) - init_cwnd = 2; - else if (mss > 1460) - init_cwnd = 3; + int init_cwnd = rfc3390_bytes_to_packets(mss); + /* when initializing use the value from init_rcv_wnd * rather than the default from above */ -- 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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