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net/tap: fix guide for device name

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Fixes: 02f96a0a82 ("net/tap: add TUN/TAP device PMD")

Signed-off-by: Keith Wiles <keith.wiles@intel.com>
Acked-by: Pascal Mazon <pascal.mazon@6wind.com>
This commit is contained in:
Keith Wiles 2017-02-06 13:40:32 -06:00 committed by Ferruh Yigit
parent a50c11629c
commit 0f22423470
1 changed files with 8 additions and 8 deletions
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16
doc/guides/nics/tap.rst
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@ -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.