tcpdump mailing list archives

Request new DLT value for Infiniband link


From: Oren Kladnitsky <orenk () mellanox com>
Date: Sun, 11 Nov 2012 12:53:29 +0000

Hi,

I'd like to request a new DLT/LINKTYPE value for Infiniband traffic (DLT_INFINIBAND).
Infiniband spec is available at:
http://members.infinibandta.org/kwspub/spec/V1r1_2_1.Release_12062007.zip
(registration required).
See "Chapter 5.: Data packet format" for the packet layout. LRH (Local Route Header) is the first header of all data 
packets.

Wireshark already has support for Infiniband dissection (epan/dissectors/packet-infiniband.c) under encap of DLT_ERF.

I'd like Infiniband to have a dedicated DLT for future pcapng support which does not require the ERF encapsulation.

Thanks,
Oren Kladnitsky
Staff engineer, Apps and Embedded group manager
Tel:   +972-74-7236370
Cell:  +972-50-7349271

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