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From: Arseniy Zaostrovnykh <arseniy.zaostrovnykh@epfl.ch>
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Date: Fri, 6 Nov 2015 16:05:58 +0100
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Subject: Re: [dpdk-users] Why packet_type is zero?
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Forgot to mention:
I tried KNI (first detaching eth1 and eth2 from the kernel) and pcap PMD 
drivers, with:
     dpdk-node $ sudo examples/l3fwd/build/app/l3fwd -c 0x01 -n 2 
--vdev=eth_pcap0,iface=eth2 --vdev=eth_pcap1,iface=eth1 -p 0x03 
--config="(0,0,0),(1,0,0)"
The sysptoms are identical.

On 06.11.2015 15:57, Arseniy Zaostrovnykh wrote:
> Hello,
>
> I have the following setup of VirtualBox machines on a single host:
> node2:
>  eth0: VBox NAT, connecting to the host internet
>  eth1: 192.168.1.12/24
>   and additional route for 192.168.0.0/16 -> gateway 192.168.1.11
>
> dpdk-node:
>  eth0: VBox NaT, connecting to the host internet
>  eth1: 192.168.1.11/24
>  eth2: 192.168.2.11/24
>
> Now I run
>     node2 $ ping 192.168.2.13
> so, following the route, it sends the ping ICMP messages to 
> 192.168.1.11 (dpdk-node).
>
> On the dpdk-node I run l3fwd:
>     dpdk-node $ sudo examples/l3fwd/build/app/l3fwd -c 0x01 -n 2 -- -p 
> 0x03 --config="(0,0,0),(1,0,0)"
> with APP_LOOKUP_METHOD = APP_LOOKUP_EXACT_MATCH, and with some 
> debug-printfs. In particular I printf
> m->packet_type in the beginning of the l3fwd_simple_forward function.
>
> Question:
> Why does it prints 0? What is a possible causes?
>
> P.S. my DPDK version is 2.1.0; The printf is executed on each ping 
> message; tcpdump shows no other traffic in this internal network.
>

-- 
Respectfully,
Arseniy.