From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Oeser Subject: Re: [PATCH] Customizable TCP backoff patch Date: Wed, 4 Oct 2006 10:56:12 +0200 Message-ID: <200610041056.12704.netdev@axxeo.de> References: <451AC889.5000407@redhat.com> <4522A88E.2070200@redhat.com> <20061004.000722.99203823.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: woodard@redhat.com, netdev@vger.kernel.org, mgrondona@llnl.gov, behlendorf1@llnl.gov Return-path: Received: from mail.axxeo.de ([82.100.226.146]:57055 "EHLO mail.axxeo.de") by vger.kernel.org with ESMTP id S964789AbWJDI41 (ORCPT ); Wed, 4 Oct 2006 04:56:27 -0400 To: David Miller In-Reply-To: <20061004.000722.99203823.davem@davemloft.net> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org David Miller wrote: > At the very least, seconds might not be fine enough granularity > for some circumstances. Heck, the default RTO_MIN is 1/5 of a > second. :-) > > I also understand that going to milliseconds or microseconds would > make the size of the in-socket struct members an issue again. These > things are never easy are they? :-/ Would be, if floating point values would be allowed. Single precision would be enough in this case and its just 32 bits IIRC. I mean floating point values just for the user->kernel ABI and NOT for the internal timer representation. Regards Ingo Oeser