From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Marciniszyn, Mike" <mike.marciniszyn@intel.com>
Subject: RE: [PATCH 02/18] staging/rdma/hfi1: Decode CNP opcode
Date: Fri, 20 Nov 2015 14:37:48 +0000
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Cc: "devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>, "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>, "dledford@redhat.com" <dledford@redhat.com>
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> > Add CNP opcode decode
> 
> Why?

Prior to this patch the trace appeared like:

<idle>-0     [001] d.h. 94062.578932: input_ibhdr: [0000:05:00.0] vl 0 lver 0
sl 0 lnh 2,LRH_BTH dlid 0003 len 6 slid 0001 op 0x80,0x80 se 0 m 0 pad 0 tver 0
pkey 0x8001 f 0 b 0 qpn 0x001234 a 0 psn 0x00000000

Note the "op 0x80,0x80".

With this patch:

          <idle>-0     [000] d.h. 233975.912059: input_ibhdr: [0000:05:00.0] vl
0 lver 0 sl 0 lnh 2,LRH_BTH dlid 0015 len 6 slid 0014 op 0x80,CNP se 0 m 0 pad
0 tver 0 pkey 0x8001 f 0 b 0 qpn 0x001234 a 0 psn 0x00000000

Note the "op 0x80,CNP"

Mike