RDMA/iwcm: Propagate ird/ord values upwards

Update struct iw_cm_event to support propagating the ird/ord values
upwards to the application.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/infiniband/core/cma.c

@@ -1340,6 +1340,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
 		switch (iw_event->status) {
 		case 0:
 			event.event = RDMA_CM_EVENT_ESTABLISHED;
+			event.param.conn.initiator_depth = iw_event->ird;
+			event.param.conn.responder_resources = iw_event->ord;
 			break;
 		case -ECONNRESET:
 		case -ECONNREFUSED:
@@ -1355,6 +1357,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
 		break;
 	case IW_CM_EVENT_ESTABLISHED:
 		event.event = RDMA_CM_EVENT_ESTABLISHED;
+		event.param.conn.initiator_depth = iw_event->ird;
+		event.param.conn.responder_resources = iw_event->ord;
 		break;
 	default:
 		BUG_ON(1);
@@ -1445,8 +1449,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
 	event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
 	event.param.conn.private_data = iw_event->private_data;
 	event.param.conn.private_data_len = iw_event->private_data_len;
-	event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;
-	event.param.conn.responder_resources = attr.max_qp_rd_atom;
+	event.param.conn.initiator_depth = iw_event->ird;
+	event.param.conn.responder_resources = iw_event->ord;
 
 	/*
 	 * Protect against the user destroying conn_id from another thread

include/rdma/iw_cm.h

@@ -52,8 +52,10 @@ struct iw_cm_event {
 	struct sockaddr_in local_addr;
 	struct sockaddr_in remote_addr;
 	void *private_data;
-	u8 private_data_len;
 	void *provider_data;
+	u8 private_data_len;
+	u8 ord;
+	u8 ird;
 };
 
 /**