Multicast support in libnl

[Mallika Gautam]

On Mon, Dec 7, 2009 at 3:37 PM, Thomas Graf <tgraf at infradead.org> wrote:
> On Thu, Dec 03, 2009 at 10:56:58AM +0000, Mallika Gautam wrote:
>> Hi,
>>
>> This is a very basic question.
>>
>> I am trying to use generic netlink linux kernel 2.6.23. Briefly, the
>> kernel module sends a multicast message which should then be received
>> in user space. There are multiple user space processes that are
>> interested in this multicast message.
>> I can see the multicast macros (CTRL_ATTR_MCAST_GRP_NAME,
>> CTRL_ATTR_MCAST_GRP_ID) defined in genetlink.h but no handling in
>> libnl 1.1. I also checked the HEAD version in libnl git, but could not
>> find any handling there as well.
>>
>> Could anyone please point me how to register to a multicast group for
>> generic netlink family. Also kindly point to the correct libnl version
>> supporting the functionality and the site.
>
> The code to do this has not been written yet. You may subscribe to a
> generic netlink multicast group by constructing the corresponding
> subscription message yourself or even better, come up with a patch to
> add the relevant interfaces.
>

Hi Thomas,

Thanks for clarifying my doubts.

Regards
Mallika