V1->V2 - Fix comments and API spec - Improve test code. The userspace portion that enables to join a multicast group only for sending was not merged when the kernel portion was merged. The patches are straightforward and have been used by us for quite some time. We were surprised when the new distro releases where missing these definitions and we had to add these patches manually again. This adds what is missing. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html