10/09/2021 19:57, Ben Pfaff: > I could not find anything in the documentation that says what > testpmd does. This should save other people time trying to > figure that out in the future.
Good move indeed :) > --- a/doc/guides/testpmd_app_ug/run_app.rst > +++ b/doc/guides/testpmd_app_ug/run_app.rst > @@ -15,6 +15,12 @@ a list of available EAL command-line options. > Testpmd Command-line Options > ---------------------------- > > +By default, testpmd receives packets on each configured port and > +forwards the received packets to its paired port. Ports 0 and 1 are > +paired, as are ports 2 and 3, and so on. With an odd number of ports, > +the last port is paired with itself: packets received on the port are > +sent back out on the same port. So the intent is to say what is the default behaviour? We could also update the introduction which is outdated: " The testpmd application can be used to test the DPDK in a packet forwarding mode and also to access NIC hardware features such as Flow Director. It also serves as a example of how to build a more fully-featured application using the DPDK SDK. " The last sentence should be removed. The first sentence is a bit outdated. We should say "testpmd is a tool to test ethdev NIC features". May I take the opportunity of this patch to improve this intro as well?
