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Sean Hefty c8f6a362bf RDMA/cma: Add multicast communication support ... Extend rdma_cm to support multicast communication. Multicast support is added to the existing RDMA_PS_UDP port space, as well as a new RDMA_PS_IPOIB port space. The latter port space allows joining the multicast groups used by IPoIB, which enables offloading IPoIB traffic to a separate QP. The port space determines the signature used in the MGID when joining the group. The newly added RDMA_PS_IPOIB also allows for unicast operations, similar to RDMA_PS_UDP. Supporting the RDMA_PS_IPOIB requires changing how UD QPs are initialized, since we can no longer assume that the qkey is constant. This requires saving the Q_Key to use when attaching to a device, so that it is available when creating the QP. The Q_Key information is exported to the user through the existing rdma_init_qp_attr() interface. Multicast support is also exported to userspace through the rdma_ucm. Signed-off-by: Roland Dreier <rolandd@cisco.com>		18 years ago
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Kbuild	…
ib_addr.h	IB/sa: Track multicast join/leave requests	18 years ago
ib_cache.h	…
ib_cm.h	…
ib_fmr_pool.h	…
ib_mad.h	…
ib_marshall.h	…
ib_pack.h	…
ib_sa.h	IB/sa: Track multicast join/leave requests	18 years ago
ib_smi.h	…
ib_user_cm.h	…
ib_user_mad.h	…
ib_user_sa.h	…
ib_user_verbs.h	…
ib_verbs.h	…
iw_cm.h	…
rdma_cm.h	RDMA/cma: Add multicast communication support	18 years ago
rdma_cm_ib.h	RDMA/cma: Add multicast communication support	18 years ago
rdma_user_cm.h	RDMA/cma: Add multicast communication support	18 years ago