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Commit 5042a73d authored by Steve Wise's avatar Steve Wise Committed by Doug Ledford
Browse files

rdma_cm: add rdma_is_consumer_reject() helper function 



Return true if the peer consumer application rejected the
connection attempt.

Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 77a5db13

drivers/infiniband/core/cma.c

+13 −0
Original line number Original line Diff line number Diff line
@@ -115,6 +115,19 @@ const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id, 
}

}

EXPORT_SYMBOL(rdma_reject_msg);

EXPORT_SYMBOL(rdma_reject_msg);





bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)

{

	if (rdma_ib_or_roce(id->device, id->port_num))

		return reason == IB_CM_REJ_CONSUMER_DEFINED;



	if (rdma_protocol_iwarp(id->device, id->port_num))

		return reason == -ECONNREFUSED;



	WARN_ON_ONCE(1);

	return false;

}

EXPORT_SYMBOL(rdma_is_consumer_reject);



static void cma_add_one(struct ib_device *device);

static void cma_add_one(struct ib_device *device);

static void cma_remove_one(struct ib_device *device, void *client_data);

static void cma_remove_one(struct ib_device *device, void *client_data);

include/rdma/rdma_cm.h

+7 −0
Original line number Original line Diff line number Diff line
@@ -395,5 +395,12 @@ __be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr); 
 */

 */

const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,

const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,

						int reason);

						int reason);

/**

 * rdma_is_consumer_reject - return true if the consumer rejected the connect

 *                           request.

 * @id: Communication identifier that received the REJECT event.

 * @reason: Value returned in the REJECT event status field.

 */

bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason);





#endif /* RDMA_CM_H */
 
#endif /* RDMA_CM_H */