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Commit 2e08b587 authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier
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IB/sa: Export function to pack a path record into wire format 



Allow converting from struct ib_sa_path_rec to the IB defined SA path
record wire format.  This will be used to report path data from the
rdma cm into user space.

Signed-off-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent ee7aed45

drivers/infiniband/core/sa_query.c

+6 −0
Original line number Diff line number Diff line
@@ -652,6 +652,12 @@ void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec) 
}

EXPORT_SYMBOL(ib_sa_unpack_path);



void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute)

{

	ib_pack(path_rec_table, ARRAY_SIZE(path_rec_table), rec, attribute);

}

EXPORT_SYMBOL(ib_sa_pack_path);



static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query,

				    int status,

				    struct ib_sa_mad *mad)

include/rdma/ib_sa.h

+7 −0
Original line number Diff line number Diff line
@@ -401,6 +401,12 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, 
			 struct ib_sa_path_rec *rec,

			 struct ib_ah_attr *ah_attr);



/**

 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec

 * to IB MAD wire format.

 */

void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);



/**

 * ib_sa_unpack_path - Convert a path record from MAD format to struct

 * ib_sa_path_rec.
@@ -418,4 +424,5 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client, 
					       void *context),

			      void *context,

			      struct ib_sa_query **sa_query);



#endif /* IB_SA_H */