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From: Ingo Oeser <netdev@axxeo.de>
To: "YOSHIFUJI Hideaki / 吉藤英明" <yoshfuji@linux-ipv6.org>
Cc: Fred.L.Templin@boeing.com, netdev@vger.kernel.org
Subject: Re: [PATCH 02/05] ipv6: RFC4214 Support
Date: Fri, 9 Nov 2007 19:12:02 +0100	[thread overview]
Message-ID: <200711091912.03419.netdev@axxeo.de> (raw)
In-Reply-To: <20071108.044745.123583545.yoshfuji@linux-ipv6.org>

YOSHIFUJI Hideaki / 吉藤英明 schrieb:
> In article <39C363776A4E8C4A94691D2BD9D1C9A1029EDBF4@XCH-NW-7V2.nw.nos.boeing.com> (at Wed, 7 Nov 2007 10:52:47 -0800), "Templin, Fred L" <Fred.L.Templin@boeing.com> says:
> 
> > > > > > > +	if (((ipv4 >= 0x01000000) && (ipv4 < 0x0a000000)) ||
> > > > > > > +	    ((ipv4 >= 0x0b000000) && (ipv4 < 0x7f000000)) ||
> > > > > > > +	    ((ipv4 >= 0x80000000) && (ipv4 < 0xa9fe0000)) ||
> > > > > > > +	    ((ipv4 >= 0xa9ff0000) && (ipv4 < 0xac100000)) ||
> > > > > > > +	    ((ipv4 >= 0xac200000) && (ipv4 < 0xc0a80000)) ||
> > > > > > > +	    ((ipv4 >= 0xc0a90000) && (ipv4 < 0xc6120000)) ||
> > > > > > > +	    ((ipv4 >= 0xc6140000) && (ipv4 < 
> > > 0xe0000000))) eui[0] |=
> > > > > > > 0x2;
> 
> > Maybe it is I who did not understand. Can you suggest a clean solution?
> 
> You could write each element as LOOPBACK(), MULTICAST()
> etc.
> 	eui[0] = (!ZERONETO(a) &&
> 	          !PRIVATE_10(a) &&
> 		  !LINKLOCAL(a) &&
> 		  !PRIVATE_172(a) &&
> 		  !PRIVATE_192(a) &&
> 		  !NETICDEVBENCH(a) &&
> 		  !MULTICAST(a)) ? 2 : 0;

Oh, yes that's great! Now even *I* can read what this is all about 
without reading any RFC :-)

Please Fred, try to do it that way.


Best Regards

Ingo Oeser

      reply	other threads:[~2007-11-09 18:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-07  1:16 [PATCH 02/05] ipv6: RFC4214 Support Templin, Fred L
2007-11-07 15:58 ` Ingo Oeser
2007-11-07 16:12   ` Templin, Fred L
2007-11-07 18:12   ` YOSHIFUJI Hideaki / 吉藤英明
2007-11-07 18:24     ` Templin, Fred L
2007-11-07 18:48       ` YOSHIFUJI Hideaki / 吉藤英明
2007-11-07 18:52         ` Templin, Fred L
2007-11-07 19:01           ` Simon Arlott
2007-11-07 19:32             ` Templin, Fred L
2007-11-07 19:38               ` Simon Arlott
2007-11-07 19:47           ` YOSHIFUJI Hideaki / 吉藤英明
2007-11-09 18:12             ` Ingo Oeser [this message]

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