Re: [PATCH RDMA] Fixup IPv6 support and IPv4 routing corner cases for RDMA CM

[Or Gerlitz <ogerlitz-smomgflXvOZWk0Htik3J/w@public.gmane.org>]

Jason Gunthorpe wrote:
> On Wed, Oct 28, 2009 at 10:05:19AM -0700, Sean Hefty wrote:
>> A UD endpoint can communicate using multicast and to other UD endpoints.  A user could resolve a UD endpoint before joining a multicast group.
>
> So the IP world analog would be:
> fd = socket(AF_INET,SOCK_DGRAM);
> connect(fd,'Some Unicast Address');
> setsockopt(fd,IP_MULITCAST_ADD_MEMBERSHIP,'Some Multicast Address');
> sendto(fd,...,'Some Multicast Address');
IP multicast senders don't call IP_ADD_MEMBERSHIP, only receivers

Or.

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