Thanks, that was the issue. It would be nice to have such information in the wiki page.
It would help people to work with VPP :) Alessio On Thu, Jul 27, 2017 at 8:58 PM, John Lo (loj) <l...@cisco.com> wrote: > Hi Alessio, > > > > The mechanism you are using to handle ethertype works only when the > interface is in L3 mode which is the default, unless an interface is set to > L2 bridging (or xconnect) mode. When an interface is in L2 mode, VPP will > always get into l2-input mode to forward ethernet packet based on ethernet > header and not care about ethertype of the packet. From your description, > the interface appear to be in L2 mode. > > > > Regards, > > John > > > > *From:* vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] *On > Behalf Of *Alessio Silvestro > *Sent:* Thursday, July 27, 2017 12:16 PM > *To:* vpp-dev@lists.fd.io > *Subject:* [vpp-dev] Capturing Packets with Particular Ethertypes > > > > Dear all, > > > > I am trying to capture packets with a particular Ethertype. > > > > Let's say I want the ethertype 0x2323. > > > > I first define the new protocol type in vpp/srv/vnet/ethernet/types.def > > > > ethernet_type (0x2323, MY_PROTOCOL) > > Thus, I created and registered a new node "my_node". > > > > In the init function of my_node I call the function: > > > > ethernet_register_input_type (vm, MY_PROTOCOL ,my_node.index); > > > > > > I compile and run vpp. When I send the packet with the new ethertype, my > node is not invoked. > > > > In particular, the result of show trace tells me that the packet is > arriving at the interface.The new procotol is recognized but the chain of > node is dpdk-input -> ethernet-input -> l2-input -> l2-output > -> TenGigabitEthernet7/0/1-output. > > > > The wiki page (https://wiki.fd.io/view/VPP/Modifying_The_Packet_ > Processing_Directed_Graph) does not mention anything else. > > > > Do you have an idea where could be the problem or what is missing? > > > > Thanks. > > > > Best regards, > > Alessio > > >
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