RDMA/core: Add helper function to retrieve driver gid context from gid attr

}

EXPORT_SYMBOL(rdma_query_gid);

/**

 * rdma_read_gid_hw_context - Read the HW GID context from GID attribute

 * @attr:		Potinter to the GID attribute

 *

 * rdma_read_gid_hw_context() reads the drivers GID HW context corresponding

 * to the SGID attr. Callers are required to already be holding the reference

 * to an existing GID entry.

 *

 * Returns the HW GID context

 *

 */

void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr)

{

	return container_of(attr, struct ib_gid_table_entry, attr)->context;

}

EXPORT_SYMBOL(rdma_read_gid_hw_context);

/**

 * rdma_find_gid - Returns SGID attributes if the matching GID is found.

 * @device: The device to query.

int rdma_query_gid(struct ib_device *device, u8 port_num, int index,

		   union ib_gid *gid);

void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr);

const struct ib_gid_attr *rdma_find_gid(struct ib_device *device,

					const union ib_gid *gid,

					enum ib_gid_type gid_type,