I tried to follow why the kni_config_network_function was being called multiple times and it only happens sometimes. I have 4 cores and I am running with coremask 0xf and lcores 0,1
On Fri, Nov 18, 2016 at 9:25 PM, John Pearson <johnpearson555 at gmail.com> wrote: > Hi, > > I have a DPDK application with two interfaces acting as a load balancer. > On one of the interfaces, I am allocating a KNI interface so that certain > packets can be processed by the kernel. To test I have a DHCP server > connected to the physical port to which KNI is bound. > > I'm having 3 issues: > > 1. kni_config_network_interface function set on the rte_kni_ops struct > when allocating the port is called multiple times when run "ifconfig vEth0 > up". This function is called 2 or 3 times every time. > > 2. After I receive DHCP, when I ping google.com to test, I get multiple > packets that are duplicates, which are repeats of the same ICMP Sequence > and with message "DUP!" attached (http://unix.stackexchange.com/a/13256) > > 3. After a while of running the interface KNI and using it process > packets, usually after transmitting 200-300 Pings, the interface "dies out" > and stops reading or sending packets to the kernel. > > The statistics for ping: > > --- google.com ping statistics --- > > 302 packets transmitted, 198 received, +95 duplicates, +49 errors, 34% > packet loss, time 310119ms > > > >
