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From: Brian Haley <brian.haley@hp.com>
To: "Bjørn Mork" <bjorn@mork.no>
Cc: netdev@vger.kernel.org, Stephen Hemminger <shemminger@vyatta.com>,
	Herbert Xu <herbert@gondor.hengli.com.au>
Subject: Re: [PATCH] Disable router anycast address for /127 prefixes
Date: Fri, 01 Jul 2011 10:45:57 -0400	[thread overview]
Message-ID: <4E0DDDA5.20401@hp.com> (raw)
In-Reply-To: <1309519330-16649-1-git-send-email-bjorn@mork.no>

On 07/01/2011 07:22 AM, Bjørn Mork wrote:
> RFC 6164 requires that routers MUST disable Subnet-Router anycast
> for the prefix when /127 prefixes are used.
> 
> Signed-off-by: Bjørn Mork <bjorn@mork.no>
> ---

> @@ -1479,6 +1481,8 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
>  static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
>  {
>  	struct in6_addr addr;
> +	if (ifp->prefix_len == 127) /* RFC 6164 */
> +		return;
>  	ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
>  	if (ipv6_addr_any(&addr))
>  		return;

I'm not sure you'd need this part as there shouldn't be a /127 in the list to remove.

-Brian

  reply	other threads:[~2011-07-01 14:45 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-30 17:47 IPv6 /127 address Stephen Hemminger
2011-07-01 11:22 ` [PATCH] Disable router anycast address for /127 prefixes Bjørn Mork
2011-07-01 14:45   ` Brian Haley [this message]
2011-07-01 18:26     ` Bjørn Mork
2011-07-01 19:09       ` Brian Haley
2011-07-02  9:38         ` Bjørn Mork
2011-07-06  9:04           ` [PATCH v2] " Bjørn Mork
2011-07-07 11:15             ` David Miller

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