netdev - Re: Help On function to get IPV6 address of an interface in kernel

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Date:	Fri, 5 Mar 2010 21:19:34 +0530
From:	Venkata Mohan Reddy <mohanreddykv@...il.com>
To:	Brian Haley <brian.haley@...com>
Cc:	netdev@...r.kernel.org
Subject: Re: Help On function to get IPV6 address of an interface in kernel

Thanks a lot Brain. ipv6_get_lladdr()  helped me. Actually I want to get site-local or univeral(global) address. Though there is no direct function to get theseaddresses, ipv6_get_lladdr() shows how we can get the other addresses too.

Thanks,
Mohan Reddy
  
On Thu, Mar 04, 2010 at 11:17:39AM -0500, Brian Haley wrote:
> Mohan Reddy wrote:
> > Hi,
> > 
> > Is there a function or a way in kernel to get an interface ipv6 address if interface name or net_device object is known? I searched in the kernel i got a function ipv6_get_ifaddr(). But it is expecting an ipv6 address as a parameter. 
> 
> What type of IPv6 address?  For link-locals you can use ipv6_get_lladdr(), but
> for others ipv6_dev_get_saddr() is more comprehensive, but you'll need a
> destination address.  There's lots of reference code in addrconf.c to do
> other things.
> 
> -Brian
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