Re: [tcpdump-workers] DLT value for IP over IB (Infiniband)

2011-07-29 Thread Guy Harris
On Jul 27, 2011, at 3:02 AM, Darren Reed wrote: > With Solaris, the interfaces available from the driver and protocol stack > prohibit access to actual packets at the link layer. I don't know if this is > or will be possible with Linux, but if the link layer header for IPoIB on > Linux is 12 b

Re: [tcpdump-workers] DLT value for IP over IB (Infiniband)

2011-07-29 Thread Darren Reed
Guy Harris wrote: On Jul 14, 2011, at 5:23 AM, Darren Reed wrote: Some more follow up on this... Looks are deceiving - there is no RFC 4391/4392 header being prepended to the IP packet: /* * In order to transmit the datagram to correct destination, an extra * header including destination a