netdev - Re: [PATCH 1/4] [IPv6] Add link and site-local scope inline

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Message-Id: <20070406.160030.75539924.yoshfuji@linux-ipv6.org>
Date:	Fri, 06 Apr 2007 16:00:30 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
To:	brian.haley@...com
Cc:	davem@...emloft.net, netdev@...r.kernel.org, dccp@...r.kernel.org,
	lksctp-developers@...ts.sourceforge.net, yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH 1/4] [IPv6] Add link and site-local scope inline

In article <4615EAC0.3080709@...com> (at Fri, 06 Apr 2007 02:37:52 -0400), Brian Haley <brian.haley@...com> says:

> static inline int ipv6_addr_scope_linklocal(const struct in6_addr *a)
> {
> return ((a->s6_addr32[0] & htonl(0xFFC00000)) == htonl(0xFE800000) ||
>          ((a->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000) &&
>           ((a)->s6_addr[1] & 0x0f) == IPV6_ADDR_SCOPE_LINKLOCAL)))
> }
> 
> That's not that clean an inline anymore, but still doable...

I would prefer to have ipv6_addr_linklocal() and
ipv6_addr_mc_linklocal() aligning with RFC3493.

--yoshfuji
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