[ofa-general] RE: librdmacm/man: fix-up man pages

[Sean Hefty]

>> 1. for rdma_disconnect - mention that
>> - it applies only to connected service
>> - the QP is moved to the error state and following that all the posted
>> work requests will be flushed to the completion queue.

>From rdma_disconnect.3:

"Disconnects a connection and transitions any associated QP to the error state,
which will flush any posted work requests to the completion queue."

>> 2. for rdma_join_multicast
>> - mention that as with unicast, if source address is provided to
>> rdma_resolve_addr then the routing table need not be set to route this
>> group to an ipoib device

>From rdma_join_multicast.3:

"Before joining a multicast group, the rdma_cm_id must be bound to
an RDMA device by calling rdma_bind_addr or rdma_resolve_addr.  Use of
rdma_resolve_addr requires the local routing tables to resolve the
multicast address to an RDMA device, unless a specific source address
is provided."

- Sean