From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: Outbound pktgen pkts missed by tcpdump/pcap Date: Fri, 15 Sep 2006 10:22:38 -0700 Message-ID: <450AE15E.1070006@candelatech.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org Return-path: Received: from ns2.lanforge.com ([66.165.47.211]:8835 "EHLO ns2.lanforge.com") by vger.kernel.org with ESMTP id S932123AbWIORVd (ORCPT ); Fri, 15 Sep 2006 13:21:33 -0400 To: netdev@sc-software.com In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org netdev@sc-software.com wrote: > > Kernels 2.6.13, 2.6.17.7 & 2.6.17.13... > > I've been unable to capture outbound packets from local eth2, > generated by pktgen using the just previous and latest releases > of tcpdump & libpcap. All incoming pktgen pkts are seen just fine. > Pkts are UDP. > > Any clues to save me some time fixing this, would greatly appreciated. Pktgen sends below the packet capture hooks, so you cannot sniff out-going traffic. If you changed the code to do a dev-queue-xmit instead of hard_start_xmit, it might be captured then, but would probably decrease pktgen performance. Ben > > Thnx much. > johnh > . > =========================================================== > John Heil > South Coast Software > Custom firmware, device drivers and board bring up services > Ph: 1-714-774-6952 > Fx: 1-714-774-7053 > www.sc-software.com > email: johnhscs@sc-software.com > =========================================================== > > - > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Ben Greear Candela Technologies Inc http://www.candelatech.com