Mason <slash....@free.fr> writes: > On 02/08/2017 17:56, Måns Rullgård wrote: > >> Mason writes: >> >>> From my perspective, the older method does not work on newer chips :-) >> >> It does work on tango4. > > Agreed. > >> What does the tango5 do if you flood it with packets faster than the >> kernel can keep up with? That would make it hit the end of the rx >> chain, which is apparently what makes it miserable with the current dma >> stop code. > > The simplest way to test this would be sending tiny packets > as fast as possible, right? So ping -f on a GigE link should > fit the bill?
ping -f is limited to 100 packets per second. Use something like iperf in UDP mode instead. -- Måns Rullgård