2016-06-15 17:10, Yerden Zhumabekov: > On 15.06.2016 16:43, Dumitrescu, Cristian wrote: > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Yerden Zhumabekov > >> I've been thinking about the idea of having PMD which would generate > >> mbufs on the fly in some randomized fashion. This would serve goals > >> like, for example: > >> > >> 1) running tests for applications with network processing capabilities > >> without additional software packet generators; > >> 2) making performance measurements with no hw inteference; > >> 3) ability to run without root privileges, --no-pci, --no-huge, for CI > >> build, so on. > >> > >> Maybe there's no such need, and these goals may be achieved by other > >> means and this idea is flawed? Any thoughts? > > How about a Perl/Python script to generate a PCAP file with random packets > > and then feed the PCAP file to the PCAP PMD? > > > > Random can mean different requirements for different users/application, I > > think it is difficult to fit this under a simple generic API. Customizing > > the script for different requirements if a far better option in my opinion. > > AFAIK, the thing about pcap pmd is that one needs to rewind pcap file > once pcap pmd reaches its end. It requires additional (non-generic) > handling in app code.
This kind of specific configuration could be done with devargs.