doc: document memif loopback feature
PATCH 1/1 doc: document memif loopback feature
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(+)
doc/guides/nics/memif.rst +18 -0
@@ -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
Signature · 1 line
2.17.1
Quoted 4 lines · Július Milan
Shows the example of how to connect 2 memif ports into loopback and test the communication.
Signed-off-by Július Milan <[email protected]>
Squashed into relevant commit [1] in next-net, thanks.
[1]
[v3,1/2] net/memif: enable loopback
https://patches.dpdk.org/patch/66447/