linux-sg2042/include/rdma
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>
2007-02-16 14:29:07 -08:00
..
Kbuild [HEADERS] One line per header in Kbuild files to reduce conflicts 2006-09-19 12:43:58 +01:00
ib_addr.h IB/sa: Track multicast join/leave requests 2007-02-16 14:20:02 -08:00
ib_cache.h IB: Add caching of ports' LMC 2006-06-17 20:37:34 -07:00
ib_cm.h IB/cm: Fix automatic path migration support 2006-11-29 15:33:10 -08:00
ib_fmr_pool.h [PATCH] fmr pool: remove unnecessary pointer dereference 2006-07-14 21:53:51 -07:00
ib_mad.h IB/mad: Validate MADs for spec compliance 2006-07-24 09:18:07 -07:00
ib_marshall.h RDMA/cma: Export rdma cm interface to userspace 2006-12-12 11:50:22 -08:00
ib_pack.h [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
ib_sa.h IB/sa: Track multicast join/leave requests 2007-02-16 14:20:02 -08:00
ib_smi.h IB: Move struct port_info from ipath to <rdma/ib_smi.h> 2006-06-17 20:37:36 -07:00
ib_user_cm.h IB/cm: Fix automatic path migration support 2006-11-29 15:33:10 -08:00
ib_user_mad.h IB: Make sure struct ib_user_mad.data is aligned 2007-02-04 14:11:56 -08:00
ib_user_sa.h IB: common handling for marshalling parameters to/from userspace 2006-06-17 20:37:27 -07:00
ib_user_verbs.h IB/uverbs: Return sq_draining value in query_qp response 2006-10-30 21:19:35 -08:00
ib_verbs.h IB: Return qp pointer as part of ib_wc 2007-02-04 14:11:55 -08:00
iw_cm.h RDMA: iWARP Connection Manager. 2006-09-22 15:22:46 -07:00
rdma_cm.h RDMA/cma: Add multicast communication support 2007-02-16 14:29:07 -08:00
rdma_cm_ib.h RDMA/cma: Add multicast communication support 2007-02-16 14:29:07 -08:00
rdma_user_cm.h RDMA/cma: Add multicast communication support 2007-02-16 14:29:07 -08:00