Add capability to limit the number of exchanges on a port to
avoid queue-full conditions from the target side.
Signed-off-by: NSudarsana Reddy Kalluru <skalluru@brocade.com>
Signed-off-by: NKrishna Gudipati <kgudipat@brocade.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>