netdev - Re: [IPv6] Add v4mapped address inline

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Message-Id: <20070824.030002.56135604.yoshfuji@linux-ipv6.org>
Date:	Fri, 24 Aug 2007 03:00:02 +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,
	lksctp-developers@...ts.sourceforge.net, yoshfuji@...ux-ipv6.org
Subject: Re: [IPv6] Add v4mapped address inline

Hello.

In article <46CDB896.8040408@...com> (at Thu, 23 Aug 2007 12:40:54 -0400), Brian Haley <brian.haley@...com> says:

> diff --git a/include/net/ipv6.h b/include/net/ipv6.h
> index 9059e0e..c2b6c11 100644
> --- a/include/net/ipv6.h
> +++ b/include/net/ipv6.h
> @@ -418,6 +418,12 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
>  	return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
>  }
>  
> +static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
> +{
> +	return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 && 
> +		 a->s6_addr32[2] == htonl(0x0000ffff)); 
> +}
> +

Please put this just after ipv6_addr_any(), not after
ipv6_addr_diff().

--yoshfuji
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