From owner-cvs-sys Fri Mar 3 21:08:17 1995 Return-Path: cvs-sys-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id VAA15283 for cvs-sys-outgoing; Fri, 3 Mar 1995 21:08:17 -0800 Received: from ref.tfs.com (ref.tfs.com [140.145.254.251]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id VAA15271; Fri, 3 Mar 1995 21:08:14 -0800 Received: (from phk@localhost) by ref.tfs.com (8.6.8/8.6.6) id VAA13824; Fri, 3 Mar 1995 21:08:07 -0800 From: Poul-Henning Kamp Message-Id: <199503040508.VAA13824@ref.tfs.com> Subject: Re: cvs commit: src/sys/net if_loop.c To: davidg@freefall.cdrom.com (David Greenman) Date: Fri, 3 Mar 1995 21:08:07 -0800 (PST) Cc: CVS-commiters@freefall.cdrom.com, cvs-sys@freefall.cdrom.com In-Reply-To: <199503040428.UAA14736@freefall.cdrom.com> from "David Greenman" at Mar 3, 95 08:28:51 pm Content-Type: text Content-Length: 586 Sender: cvs-sys-owner@freebsd.org Precedence: bulk > davidg 95/03/03 20:28:51 > > Modified: sys/net if_loop.c > Log: > Reduced loopback MTU to 16k to work around a miriad of problems with it > set near or above 32k (likely caused by 16bit signed word overflow). 16k > actually (surprizingly) has higher performance than other values I tested. Probably because it matches our default TCP-window, thus making it possible to return to user-space and effectively run in parallel. -- Poul-Henning Kamp TRW Financial Systems, Inc. I am Pentium Of Borg. Division is Futile. You WILL be approximated.