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RDMA/cma: Pass QP type into rdma_create_id()

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The RDMA CM currently infers the QP type from the port space selected
by the user.  In the future (eg with RDMA_PS_IB or XRC), there may not
be a 1-1 correspondence between port space and QP type.  For netlink
export of RDMA CM state, we want to export the QP type to userspace,
so it is cleaner to explicitly associate a QP type to an ID.

Modify rdma_create_id() to allow the user to specify the QP type, and
use it to make our selections of datagram versus connected mode.

Signed-off-by: Sean Hefty <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
This commit is contained in:
Sean Hefty 2010-04-01 17:08:41 +00:00 • committed by Roland Dreier
commit b26f9b9949
12 changed files with 55 additions and 33 deletions
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3
net/9p/trans_rdma.c
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@ -591,7 +591,8 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
return -ENOMEM;
/* Create the RDMA CM ID */
rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP);
rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP,
IB_QPT_RC);
if (IS_ERR(rdma->cm_id))
goto error;