Re: [RFC] CAN FD support part 2 - ideas and commented source

[Oliver Hartkopp <socketcan@hartkopp.net>]

On 07.05.2012 13:51, Felix Obenhuber wrote:

> On Thu, May 3, 2012 at 3:22 PM, Kurt Van Dijck <kurt.van.dijck@eia.be> wrote:
>>> This has a big advantage when thinking about wireshark & friends.
>> I must have missed something here. ETH_P_CANFD value somewhere in struct skb
>> is something kernel specific. Does wireshark look inside kernel?
> 
> No, it doesn't. The detection of a SocketCAN socket/interface is done
> very hacky with the interface name in pcap.
> 
> pcap-linux.c:432:
> 
> #ifdef PCAP_SUPPORT_CAN
> 	if (strstr(device, "can") || strstr(device, "vcan")) {
> 		return can_create(device, ebuf);
> 	}
> #endif


Oh, oh.

I like to have at least one vcan interface named 'helga' on my system.

Obviously i won't have fun with pcap %-/

Regards,
Oliver