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Date: Thu, 29 Aug 2013 18:08:45 GMT
From: Mindaugas Rasiukevicius <rmind@netbsd.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: BPF_COP/BPF_COPX instruction reservation (sync with NetBSD)
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>Number:         181657
>Category:       kern
>Synopsis:       [bpf] [patch] BPF_COP/BPF_COPX instruction reservation (sync with NetBSD)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-net
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Thu Aug 29 18:10:00 UTC 2013
>Closed-Date:    
>Last-Modified:  Fri Aug 30 03:11:51 UTC 2013
>Originator:     Mindaugas Rasiukevicius
>Release:        
>Organization:
The NetBSD Project
>Environment:
FreeBSD -current
>Description:
Support for BPF coprocessor has been added to NetBSD (all details were also
presented on freebsd-net@).  This functionality adds two new instructions:

 #define BPF_MISCOP(code) ((code) & 0xf8)
 #define		BPF_TAX		0x00
+#define		BPF_COP		0x20
+#define		BPF_COPX	0x40
 #define		BPF_TXA		0x80

It would be great if FreeBSD would reserve the opcodes.  If you would like
to backport the BPF coprocessor interface, the change is here:

http://mail-index.netbsd.org/source-changes/2013/08/29/msg047090.html

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Fri Aug 30 03:11:33 UTC 2013 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=181657 
>Unformatted:
