Hi C R, This is a limitation of the KNI example and not of the DPDK package. The current KNI example can use one core for single task - Egress/Ingress on one port.
You definitely can change it, look into *main_loop *function. Regards, Daniel Kaminsky On Thu, Jan 2, 2014 at 11:32 AM, cr singh <cr.singh200 at gmail.com> wrote: > hello devs, > > I am using DPDK 1.5.0 and trying to use KNI interface to measure throughput > through it > > > > ------------------------------------------------------------------------------------------------------------ > I have machine with 2 lcores and 2 physical interface, and in running kni > sample application --config parameter we are supposed to give > 1)port no, > 2)lcore_rx, > 3)lcore_tx, right? > > so can it be possible to give same lcore no. for both ports, like > > kni -c 0x3 -n 4 -- -P -p 0x3 --config"(0,0,1),(1,0,1)" > > As i have tried and after running this two interface vEth0 and vEth1 is > created, but when i am giving ip with ifconfig to vEth1 then it is showing > the below message ... > > SIOCSIFFLAGS: Timer expired, > > while i am able to bring up the the vEth0 interface successfully. > > > ----------------------------------------------------------------------------------------------------- > i am pasting some details which prints while running the application ... > > Checking link status > .....done > Port 0 Link Up - speed 1000 Mbps - full-duplex > Port 1 Link Up - speed 1000 Mbps - full-duplex > APP: Lcore 1 is writing to port 0 > APP: Lcore 0 is reading from port 0 > > > and here in last two line Lcore 1 and Lcore 0 is writting and reading for > port 0 and may be therefore i am able to bring up the vEth0. and there is > no core for port 1 so it is failing. > > > --------------------------------------------------------------------------------------------------------- > > So my question is why can't we use same lcores for reading and writing for > both ports, does DPDK restricts using same lcores for 2 ports (as it > seems), and if so, then why?? > > > > Thanks in advance > C R >
