infiniband/core/verbs.c

366 	if (dest->grh.sgid_attr)
367 		rdma_hold_gid_attr(dest->grh.sgid_attr);
386 	if (old->grh.sgid_attr)
387 		rdma_hold_gid_attr(old->grh.sgid_attr);
406 	src->grh.sgid_attr = NULL;
425 	if (ah_attr->grh.sgid_attr) {
427 		 * Make sure the passed sgid_attr is consistent with the
430 		if (ah_attr->grh.sgid_attr->index != ah_attr->grh.sgid_index ||
431 		    ah_attr->grh.sgid_attr->port_num != ah_attr->port_num)
438  * If the ah requires a GRH then ensure that sgid_attr pointer is filled in.
445 	const struct ib_gid_attr *sgid_attr;
449 	*old_sgid_attr = ah_attr->grh.sgid_attr;
459 	if (grh->sgid_attr)
462 	sgid_attr =
464 	if (IS_ERR(sgid_attr))
465 		return PTR_ERR(sgid_attr);
468 	grh->sgid_attr = sgid_attr;
479 	if (ah_attr->grh.sgid_attr == old_sgid_attr)
497 		rdma_hold_gid_attr(ah_attr->grh.sgid_attr);
498 		return ah_attr->grh.sgid_attr;
528 	ah->sgid_attr = rdma_update_sgid_attr(ah_attr, NULL);
538 		if (ah->sgid_attr)
539 			rdma_put_gid_attr(ah->sgid_attr);
756 	const struct ib_gid_attr *sgid_attr = grh->sgid_attr;
764 	    sgid_attr->gid_type == IB_GID_TYPE_ROCE) {
770 	ret = rdma_addr_find_l2_eth_by_grh(&sgid_attr->gid, &grh->dgid,
772 					   sgid_attr, &hop_limit);
798 	const struct ib_gid_attr *sgid_attr;
829 		sgid_attr = get_sgid_attr_from_eth(device, port_num,
832 		if (IS_ERR(sgid_attr))
833 			return PTR_ERR(sgid_attr);
841 					sgid_attr);
857 			sgid_attr = rdma_find_gid_by_port(
860 			sgid_attr = rdma_get_gid_attr(device, port_num, 0);
862 		if (IS_ERR(sgid_attr))
863 			return PTR_ERR(sgid_attr);
870 					sgid_attr);
886  * @sgid_attr:	Pointer to SGID attribute
888  * This takes ownership of the sgid_attr reference. The caller must ensure
894 			     const struct ib_gid_attr *sgid_attr)
896 	rdma_ah_set_grh(attr, dgid, flow_label, sgid_attr->index, hop_limit,
898 	attr->grh.sgid_attr = sgid_attr;
913 	if (ah_attr->grh.sgid_attr) {
914 		rdma_put_gid_attr(ah_attr->grh.sgid_attr);
915 		ah_attr->grh.sgid_attr = NULL;
954 	ah->sgid_attr = rdma_update_sgid_attr(ah_attr, ah->sgid_attr);
962 	ah_attr->grh.sgid_attr = NULL;
972 	const struct ib_gid_attr *sgid_attr = ah->sgid_attr;
985 	if (sgid_attr)
986 		rdma_put_gid_attr(sgid_attr);
2030 	qp_attr->ah_attr.grh.sgid_attr = NULL;
2031 	qp_attr->alt_ah_attr.grh.sgid_attr = NULL;