From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f180.google.com (mail-lb0-f180.google.com [209.85.217.180]) by dpdk.org (Postfix) with ESMTP id 53D4458D7 for ; Fri, 13 Jun 2014 03:34:22 +0200 (CEST) Received: by mail-lb0-f180.google.com with SMTP id p9so1187396lbv.11 for ; Thu, 12 Jun 2014 18:34:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=gJXFFdWzVLwX8p/LOtwwVuABhWiW7DIx7WFhqhwys1o=; b=0gMRwihdrSm/UjzkLCMwiqV2MXD/D+vOQhQnOu4DNzYQbOZ6ixL5jG/ILi2cdeP3cD UJyqyYHMbXXqHSjlzUrrM51cjQ3q4ne6gp5zyMgIuBnIswRHalCKdvnt9zkp3Qcc/Nzv xhTvFlYvV+InL/eIEvESzKL0tfKALkLmmsrXHCFiwZEJTm4zWkslI5bEryJBH94xynSI mYCJe7XvY8uZaALBL5iOz26WnmCVpz3uHMFcGII9PnNyHIBT0t9/H9qBLUaNl0zSuSCe QdZAJpfgsj/mExANLJEpqsO51TYbx6mmaN9xvIsxnoF3H6MkjLjNjvSTTl/w6x/ivI37 84sg== MIME-Version: 1.0 X-Received: by 10.152.5.194 with SMTP id u2mr3465560lau.1.1402623277274; Thu, 12 Jun 2014 18:34:37 -0700 (PDT) Received: by 10.112.170.132 with HTTP; Thu, 12 Jun 2014 18:34:37 -0700 (PDT) In-Reply-To: References: Date: Fri, 13 Jun 2014 07:04:37 +0530 Message-ID: From: Raj Ravi To: dev@dpdk.org Content-Type: text/plain; charset=UTF-8 Subject: Re: [dpdk-dev] l2fwd application - packets not getting forwarded X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jun 2014 01:34:22 -0000 Is there any requirement to modify l2fwd appliucation with updated mac address to make it work ? In one example, it is mentioned something similar. www.slideshare.net/hisaki/intel-dpdk-step-by-step-instructions Also, in order to make ping work it is necessary to add static entry for those IP addresses ? Please let me know. Thanks, On Fri, Jun 13, 2014 at 6:36 AM, Raj Ravi wrote: > /Any help ? let me know if any additional info. is required. > > Thanks. > > On Fri, Jun 13, 2014 at 1:17 AM, Raj Ravi wrote: >> Hi, >> I am trying to run l2fwd application in ixgbe based network adapter. >> >> Followed the below steps: >> 1. Add hugepages in grub commandline. 1024 pages of 2 MB allocated. >> 2. verify hugepages support in /proc/meminfo. >> 3.mounted huge pages as below: >> mount -t hugetlbfs nodev /mnt/huge >> >> 4. built DPDK environment for x86_64-default-linuxapp-gcc. >> 5. built l2fwd applicaition after exporting $RTE_SDK and $RTE_TARGET. >> >> I have three machines connected like this: >> >> machine 1 <----> machine 2 <---> machine 3 >> >> machine 1 -> where pktgen runs to generate traffic >> >> machine 2 -> l2fwd runs >> >> machine 3 -> I should be able to observe packets here using tcpdump.?? >> >> >> First I run l2fwd like below (in machine 2): >> ./l2fwd -c f -n 4 -- -q 4 -p 3 >> >> Note port 1 and 2 are ixgbe port which are already bind to igb_uio driver. >> >> Q1. My understanding is whatever traffic arrives in port 1 will be >> forwarded to port 2. >> and port 2 will be forwarded to port 1. >> Please correct me here. ? >> >> Q2. from machine 1 to machine 3 , ping should work?? >> >> >> In machine 1 , pktgen script is run as below : >> >> ============== >> pktgen script used: >> #!/bin/sh >> # pktgen.conf -- Sample configuration for send on two devices on a UP system >> >> #modprobe pktgen >> #modprobe pktgen >> >> function pgset() { >> local result >> >> echo $1 > $PGDEV >> result=`cat $PGDEV | fgrep "Result: OK:"` >> if [ "$result" = "" ]; then >> cat $PGDEV | fgrep Result: >> fi >> } >> >> function pg() { >> echo inject > $PGDEV >> cat $PGDEV >> } >> >> # On UP systems only one thread exists -- so just add devices >> # We use eth0 >> echo "Adding devices to run". >> >> PGDEV=/proc/net/pktgen/kpktgend_0 >> pgset "rem_device_all" >> pgset "add_device eth0" >> pgset "max_before_softirq 10000" >> >> #pgset "add_device eth0" >> >> # Configure the individual devices >> echo "Configuring devices" >> >> PGDEV=/proc/net/pktgen/eth0 >> #pgset "delay 0" >> pgset "clone_skb 1000000" >> pgset "pkt_size 60" >> #pgset "min_pkt_size 60" >> #pgset "max_pkt_size 60" >> #pgset "min_pkt_size 92" >> #pgset "max_pkt_size 92" >> >> >> pgset "src_mac 70:71:BC:A8:5A:E8" >> pgset "dst_mac 70:71:bc:dc:92:ab" >> >> pgset "count 10000000" >> >> # Time to run >> >> PGDEV=/proc/net/pktgen/pgctrl >> >> echo "Running... ctrl^C to stop" >> >> pgset "start" >> >> echo "Done" >> >> cat /proc/net/pktgen/eth0 >> ============== >> >> Q3: In above script, is it mandatory to mention both source and >> destination macs ?? >> >> Also, destination mac should "machine 3" 's mac address?? >> >> >> Q4: With the above setting , I "CANNOT" see the stats getting >> incremented at all ?? I fear the traffic is not passing through the >> ixgbe ports at all. >> >> Q5: I have tried using testpmd application, here, all the packets are >> shown in RX errors. >> >> RHEL7, 3.10.32 kernel used. DPDK 1.6.0-18.zip used. >> >> l2fwd application log: >> =========================== >> EAL: Detected lcore 0 as core 0 on socket 0 >> EAL: Detected lcore 1 as core 1 on socket 0 >> EAL: Detected lcore 2 as core 2 on socket 0 >> EAL: Detected lcore 3 as core 3 on socket 0 >> EAL: Detected lcore 4 as core 4 on socket 0 >> EAL: Detected lcore 5 as core 5 on socket 0 >> EAL: Detected lcore 6 as core 6 on socket 0 >> EAL: Detected lcore 7 as core 7 on socket 0 >> EAL: Detected lcore 8 as core 0 on socket 0 >> EAL: Detected lcore 9 as core 1 on socket 0 >> EAL: Detected lcore 10 as core 2 on socket 0 >> EAL: Detected lcore 11 as core 3 on socket 0 >> EAL: Detected lcore 12 as core 4 on socket 0 >> EAL: Detected lcore 13 as core 5 on socket 0 >> EAL: Detected lcore 14 as core 6 on socket 0 >> EAL: Detected lcore 15 as core 7 on socket 0 >> EAL: Support maximum 64 logical core(s) by configuration. >> EAL: Detected 16 lcore(s) >> EAL: Setting up memory... >> EAL: Ask a virtual area of 0x200000 bytes >> EAL: Virtual area found at 0x7f6e89400000 (size = 0x200000) >> EAL: Ask a virtual area of 0x7fc00000 bytes >> EAL: Virtual area found at 0x7f6e09600000 (size = 0x7fc00000) >> EAL: Ask a virtual area of 0x200000 bytes >> EAL: Virtual area found at 0x7f6e09200000 (size = 0x200000) >> EAL: Requesting 1024 pages of size 2MB from socket 0 >> EAL: TSC frequency is ~2200002 KHz >> EAL: Master core 2 is ready (tid=89bbd840) >> EAL: PCI device 0000:01:00.0 on NUMA socket 0 >> EAL: probe driver: 8086:1528 rte_ixgbe_pmd >> EAL: PCI memory mapped at 0x7f6e89987000 >> EAL: PCI memory mapped at 0x7f6e89bcf000 >> EAL: PCI device 0000:01:00.1 on NUMA socket 0 >> EAL: probe driver: 8086:1528 rte_ixgbe_pmd >> EAL: PCI memory mapped at 0x7f6e89787000 >> EAL: PCI memory mapped at 0x7f6e89bcb000 >> EAL: PCI device 0000:06:00.0 on NUMA socket 0 >> EAL: probe driver: 8086:1521 rte_igb_pmd >> EAL: PCI memory mapped at 0x7f6e89687000 >> EAL: PCI memory mapped at 0x7f6e89bc7000 >> EAL: PCI device 0000:06:00.1 on NUMA socket 0 >> EAL: probe driver: 8086:1521 rte_igb_pmd >> EAL: 0000:06:00.1 not managed by UIO driver, skipping >> Lcore 2: RX port 0 >> Lcore 2: RX port 1 >> Initializing port 0... done: >> Port 0, MAC address: A0:36:9F:05:E8:2C >> >> Initializing port 1... done: >> Port 1, MAC address: A0:36:9F:05:E8:2E >> >> Skipping disabled port 2 >> >> Checking link status.................................done >> Port 0 Link Up - speed 1000 Mbps - full-duplex >> Port 1 Link Up - speed 1000 Mbps - full-duplex >> L2FWD: entering main loop on lcore 2 >> L2FWD: -- lcoreid=2 portid=0 >> L2FWD: -- lcoreid=2 portid=1 >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Aggregate statistics =============================== >> Total packets sent: 0 >> Total packets received: 0 >> Total packets dropped: 0 >> ==================================================== >> [2J [1;1H >> Port statistics ==================================== >> Statistics for port 0 ------------------------------ >> Packets sent: 0 >> Packets received: 0 >> Packets dropped: 0 >> Statistics for port 1 ------------------------------ >> Packets sent: 0 >> ========================================= >> Please correct/ provide suggestion if any of my assumption is wrong. >> >> Thanks, >> Kavi