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Date: Tue, 27 Feb 2007 10:10:26 -0800 (PST) From: David Miller <davem@...emloft.net> To: ilpo.jarvinen@...sinki.fi Cc: netdev@...r.kernel.org Subject: Re: [PATCH 1/2] [TCP]: Add two new spurious RTO responses to FRTO From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi> Date: Tue, 27 Feb 2007 17:50:06 +0200 (EET) > New sysctl tcp_frto_response is added to select amongst these > responses: > - Rate halving based; reuses CA_CWR state (default) > - Very conservative; used to be the only one available (=1) > - Undo cwr; undoes ssthresh and cwnd reductions (=2) > > The response with rate halving requires a new parameter to > tcp_enter_cwr because FRTO has already reduced ssthresh and > doing a second reduction there has to be prevented. In addition, > to keep things nice on 80 cols screen, a local variable was > added. > > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi> Applied to tcp-2.6, thanks! I tidied up the coding style of the switch statement slightly. So that it reads like this: switch (sysctl_tcp_frto_response) { case 2: tcp_undo_spur_to_response(sk); break; case 1: tcp_conservative_spur_to_response(tp); break; default: tcp_ratehalving_spur_to_response(sk); break; }; Thanks again. - 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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