RDMA/ocrdma: ABI versioning between ocrdma and be2net

While loading RoCE driver be2net driver should check for ABI version
to catch functional incompatibilities.

Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/infiniband/hw/ocrdma/ocrdma_abi.h

@@ -29,6 +29,7 @@
 #define __OCRDMA_ABI_H__
 
 #define OCRDMA_ABI_VERSION 1
+#define OCRDMA_BE_ROCE_ABI_VERSION 1
 /* user kernel communication data structures. */
 
 struct ocrdma_alloc_ucontext_resp {

drivers/infiniband/hw/ocrdma/ocrdma_main.c

@@ -478,6 +478,7 @@ static struct ocrdma_driver ocrdma_drv = {
 	.add			= ocrdma_add,
 	.remove			= ocrdma_remove,
 	.state_change_handler	= ocrdma_event_handler,
+	.be_abi_version		= OCRDMA_BE_ROCE_ABI_VERSION,
 };
 
 static void ocrdma_unregister_inet6addr_notifier(void)