Are you reading from the pcap faster than the device can transmit? Does the app hold off reading from the pcap when the ethdev is pushing back, or does it just tail drop?
On Fri, Sep 4, 2015 at 12:14 AM, Yerden Zhumabekov <e_zhumabekov at sts.kz> wrote: > Hello, > > Did anyone try to work with pcap PMD recently? We're testing our app > with this setup: > > PCAP --- rte_eth_rx_burst--> APP-> rte_eth_tx_burst -> ethdev > > I'm experiencing very low TX performance leading to massive mbuf drop > while trying to send those packets over the Ethernet device. I tried > running ordinary l2fwd and got the same issue with over 80-90% of > packets drop. When I substitute PCAP with another ordinary Ethernet > device, everything works fine. Can anyone share an idea? > > -- > Sincerely, > > Yerden Zhumabekov > State Technical Service > Astana, KZ > >
