linux/include/rdma
Jack Morgenstein f36e1793e2 IB/umad: Add support for large RMPP transfers
Add support for sending and receiving large RMPP transfers.  The old
code supports transfers only as large as a single contiguous kernel
memory allocation.  This patch uses linked list of memory buffers when
sending and receiving data to avoid needing contiguous pages for
larger transfers.

  Receive side: copy the arriving MADs in chunks instead of coalescing
  to one large buffer in kernel space.

  Send side: split a multipacket MAD buffer to a list of segments,
  (multipacket_list) and send these using a gather list of size 2.
  Also, save pointer to last sent segment, and retrieve requested
  segments by walking list starting at last sent segment. Finally,
  save pointer to last-acked segment.  When retrying, retrieve
  segments for resending relative to this pointer.  When updating last
  ack, start at this pointer.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-03-20 10:08:23 -08:00
..
ib_cache.h [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
ib_cm.h [IB] CM: bind IDs to a specific device 2005-10-17 15:37:43 -07:00
ib_fmr_pool.h IB: Enable FMR pool user to set page size 2006-03-20 10:08:10 -08:00
ib_mad.h IB/umad: Add support for large RMPP transfers 2006-03-20 10:08:23 -08:00
ib_pack.h [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
ib_sa.h [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
ib_smi.h [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
ib_user_cm.h [IB] ucm: 32/64 compatibility fixes 2005-11-01 13:18:54 -08:00
ib_user_mad.h [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
ib_user_verbs.h IB/uverbs: Return actual capacity from create SRQ operation 2006-03-20 10:08:16 -08:00
ib_verbs.h IB/mthca: Return actual capacity from create_srq 2006-03-20 10:08:16 -08:00