From: Keith Wiles Date: Mon, 6 Feb 2017 19:40:32 +0000 (-0600) Subject: net/tap: fix guide for device name X-Git-Tag: spdx-start~4545 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0f22423470888c216808bfb4e6e377204b15553d;p=dpdk.git net/tap: fix guide for device name Fixes: 02f96a0a82d1 ("net/tap: add TUN/TAP device PMD") Signed-off-by: Keith Wiles Acked-by: Pascal Mazon --- diff --git a/doc/guides/nics/tap.rst b/doc/guides/nics/tap.rst index 622b9e7f6c..c4f207be3b 100644 --- a/doc/guides/nics/tap.rst +++ b/doc/guides/nics/tap.rst @@ -45,18 +45,18 @@ device. These TAP interfaces can be used with Wireshark or tcpdump or Pktgen-DPDK along with being able to be used as a network connection to the DPDK application. The method enable one or more interfaces is to use the -``--vdev=net_tap`` option on the DPDK application command line. Each -``--vdev=net_tap`` option give will create an interface named dtap0, dtap1, +``--vdev=net_tap0`` option on the DPDK application command line. Each +``--vdev=net_tap1`` option give will create an interface named dtap0, dtap1, and so on. -The interfaced name can be changed by adding the ``iface=foo0``, for example:: +The interface name can be changed by adding the ``iface=foo0``, for example:: - --vdev=net_tap,iface=foo0 --vdev=net_tap,iface=foo1, ... + --vdev=net_tap0,iface=foo0 --vdev=net_tap1,iface=foo1, ... Also the speed of the interface can be changed from 10G to whatever number needed, but the interface does not enforce that speed, for example:: - --vdev=net_tap,iface=foo0,speed=25000 + --vdev=net_tap0,iface=foo0,speed=25000 After the DPDK application is started you can send and receive packets on the interface using the standard rx_burst/tx_burst APIs in DPDK. From the host @@ -97,7 +97,7 @@ following:: sudo ./app/app/x86_64-native-linuxapp-gcc/app/pktgen -l 1-5 -n 4 \ --proc-type auto --log-level 8 --socket-mem 512,512 --file-prefix pg \ - --vdev=net_tap --vdev=net_tap -b 05:00.0 -b 05:00.1 \ + --vdev=net_tap0 --vdev=net_tap1 -b 05:00.0 -b 05:00.1 \ -b 04:00.0 -b 04:00.1 -b 04:00.2 -b 04:00.3 \ -b 81:00.0 -b 81:00.1 -b 81:00.2 -b 81:00.3 \ -b 82:00.0 -b 83:00.0 -- -T -P -m [2:3].0 -m [4:5].1 \ @@ -131,6 +131,6 @@ time with ``start all``. The command ``str`` is an alias for ``start all`` and While running you should see the 64 byte counters increasing to verify the traffic is being looped back. You can use ``set all size XXX`` to change the -size of the packets after you stop the traffic. Use the pktgen ``help`` +size of the packets after you stop the traffic. Use pktgen ``help`` command to see a list of all commands. You can also use the ``-f`` option to -load commands at startup. +load commands at startup in command line or Lua script in pktgen.