From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 7B74ADDDE9 for ; Fri, 16 Nov 2007 21:30:11 +1100 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1IsySe-0008Sh-5s for linuxppc-embedded@ozlabs.org; Fri, 16 Nov 2007 02:30:08 -0800 Message-ID: <13790720.post@talk.nabble.com> Date: Fri, 16 Nov 2007 02:30:08 -0800 (PST) From: Lorenz Kolb To: linuxppc-embedded@ozlabs.org Subject: Re: Virtex TEMAC ping -s 10000 host, is it working? In-Reply-To: <13770288.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii References: <13770288.post@talk.nabble.com> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , alex_snippet wrote: > > Hi All! > > On Virtex 4FX board with TEMAC core, Linux ping working fine, but if s - > parameter set to big values it freezes for ever... > > Colleagues please share your experience with ping -s 10000 host. > > Do you know what parameters in core or in Linux kernel must be changed to > improve it. > > My customer is too hypercritical, he likes to ping :( > > I tried to increase LX/TX buffers in core, it increased dead line but > there is no desirable result. > > > Hey, I can understand that customer, I like pinging as well. And it works for me. Our design is based on ML403. We use PLB_TEMAC (with minimum Fifos (4kB each)) and HardTEMAC > . > . > . > 10008 bytes from 192.168.0.206: icmp_seq=733 ttl=64 time=2.42 ms > 10008 bytes from 192.168.0.206: icmp_seq=734 ttl=64 time=2.50 ms > 10008 bytes from 192.168.0.206: icmp_seq=735 ttl=64 time=2.43 ms > 10008 bytes from 192.168.0.206: icmp_seq=736 ttl=64 time=2.43 ms > 10008 bytes from 192.168.0.206: icmp_seq=737 ttl=64 time=2.44 ms > 10008 bytes from 192.168.0.206: icmp_seq=738 ttl=64 time=2.42 ms > 10008 bytes from 192.168.0.206: icmp_seq=739 ttl=64 time=2.51 ms > 10008 bytes from 192.168.0.206: icmp_seq=740 ttl=64 time=2.42 ms > 10008 bytes from 192.168.0.206: icmp_seq=741 ttl=64 time=2.50 ms > 10008 bytes from 192.168.0.206: icmp_seq=742 ttl=64 time=2.43 ms > . > . > . > And so on... > --- 192.168.0.206 ping statistics --- > 850 packets transmitted, 850 received, 0% packet loss, time 849010ms > rtt min/avg/max/mdev = 2.399/11.623/1001.859/92.782 ms, pipe 3 > -- View this message in context: http://www.nabble.com/Virtex-TEMAC-ping--s-10000-host%2C-is-it-working--tf4812989.html#a13790720 Sent from the linuxppc-embedded mailing list archive at Nabble.com.