Shows the example of how to connect 2 memif ports into loopback and test the communication.
Signed-off-by: Július Milan <[email protected]> --- doc/guides/nics/memif.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/guides/nics/memif.rst b/doc/guides/nics/memif.rst index 4d7f0086a..08a9fda86 100644 --- a/doc/guides/nics/memif.rst +++ b/doc/guides/nics/memif.rst @@ -272,3 +272,21 @@ Send ping from VPP:: 64 bytes from 192.168.1.2: icmp_seq=3 ttl=254 time=23.3927 ms 64 bytes from 192.168.1.2: icmp_seq=4 ttl=254 time=24.2975 ms 64 bytes from 192.168.1.2: icmp_seq=5 ttl=254 time=17.7049 ms + +Example: testpmd memif loopback +------------------------------- +In this example we will create 2 memif ports connected into loopback. +The situation is analogous to cross connecting 2 ports of the NIC by cable. + +To set the loopback, just use the same socket and id with different roles:: + + #./testpmd --vdev=net_memif0,role=master,id=0 --vdev=net_memif1,role=slave,id=0 -- -i + +Then start the communication:: + + testpmd> start tx_first + +Finally we can check port stats to see the traffic:: + + testpmd> show port stats all + testpmd> show port stats all -- 2.17.1
