From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [PATCH RDMA] Fixup IPv6 support and IPv4 routing corner cases for RDMA CM Date: Sun, 01 Nov 2009 08:15:35 +0200 Message-ID: <4AED2787.2030606@voltaire.com> References: <20091028054253.GA22882@obsidianresearch.com> <4AE859F8.2030708@Voltaire.com> <20091028164615.GC1966@obsidianresearch.com> <20091028173229.GI14520@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091028173229.GI14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe Cc: Sean Hefty , "David J. Wilder" , leo.tominna-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, linux-rdma List-Id: linux-rdma@vger.kernel.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. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html