57 			       struct rdma_ah_attr *ah_attr);
388 			      struct rdma_ah_attr *ah_attr)  in rdma_check_ah_attr()  argument
390 	if (!rdma_is_port_valid(device, ah_attr->port_num))  in rdma_check_ah_attr()
393 	if ((rdma_is_grh_required(device, ah_attr->port_num) ||  in rdma_check_ah_attr()
394 	     ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) &&  in rdma_check_ah_attr()
395 	    !(ah_attr->ah_flags & IB_AH_GRH))  in rdma_check_ah_attr()
398 	if (ah_attr->grh.sgid_attr) {  in rdma_check_ah_attr()
403 		if (ah_attr->grh.sgid_attr->index != ah_attr->grh.sgid_index ||  in rdma_check_ah_attr()
404 		    ah_attr->grh.sgid_attr->port_num != ah_attr->port_num)  in rdma_check_ah_attr()
415 			       struct rdma_ah_attr *ah_attr,  in rdma_fill_sgid_attr()  argument
422 	*old_sgid_attr = ah_attr->grh.sgid_attr;  in rdma_fill_sgid_attr()
424 	ret = rdma_check_ah_attr(device, ah_attr);  in rdma_fill_sgid_attr()
428 	if (!(ah_attr->ah_flags & IB_AH_GRH))  in rdma_fill_sgid_attr()
431 	grh = rdma_ah_retrieve_grh(ah_attr);  in rdma_fill_sgid_attr()
436 		rdma_get_gid_attr(device, ah_attr->port_num, grh->sgid_index);  in rdma_fill_sgid_attr()
445 static void rdma_unfill_sgid_attr(struct rdma_ah_attr *ah_attr,  in rdma_unfill_sgid_attr()  argument
452 	if (ah_attr->grh.sgid_attr == old_sgid_attr)  in rdma_unfill_sgid_attr()
460 	rdma_destroy_ah_attr(ah_attr);  in rdma_unfill_sgid_attr()
464 rdma_update_sgid_attr(struct rdma_ah_attr *ah_attr,  in rdma_update_sgid_attr()  argument
469 	if (ah_attr->ah_flags & IB_AH_GRH) {  in rdma_update_sgid_attr()
470 		rdma_hold_gid_attr(ah_attr->grh.sgid_attr);  in rdma_update_sgid_attr()
471 		return ah_attr->grh.sgid_attr;  in rdma_update_sgid_attr()
477 				     struct rdma_ah_attr *ah_attr,  in _rdma_create_ah()  argument
485 	ah = pd->device->create_ah(pd, ah_attr, udata);  in _rdma_create_ah()
491 		ah->type    = ah_attr->type;  in _rdma_create_ah()
492 		ah->sgid_attr = rdma_update_sgid_attr(ah_attr, NULL);  in _rdma_create_ah()
510 struct ib_ah *rdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr)  in rdma_create_ah()  argument
516 	ret = rdma_fill_sgid_attr(pd->device, ah_attr, &old_sgid_attr);  in rdma_create_ah()
520 	ah = _rdma_create_ah(pd, ah_attr, NULL);  in rdma_create_ah()
522 	rdma_unfill_sgid_attr(ah_attr, old_sgid_attr);  in rdma_create_ah()
541 				  struct rdma_ah_attr *ah_attr,  in rdma_create_user_ah()  argument
548 	err = rdma_fill_sgid_attr(pd->device, ah_attr, &old_sgid_attr);  in rdma_create_user_ah()
552 	if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {  in rdma_create_user_ah()
553 		err = ib_resolve_eth_dmac(pd->device, ah_attr);  in rdma_create_user_ah()
560 	ah = _rdma_create_ah(pd, ah_attr, udata);  in rdma_create_user_ah()
563 	rdma_unfill_sgid_attr(ah_attr, old_sgid_attr);  in rdma_create_user_ah()
694 				       struct rdma_ah_attr *ah_attr)  in ib_resolve_unicast_gid_dmac()  argument
696 	struct ib_global_route *grh = rdma_ah_retrieve_grh(ah_attr);  in ib_resolve_unicast_gid_dmac()
707 				ah_attr->roce.dmac);  in ib_resolve_unicast_gid_dmac()
712 					   ah_attr->roce.dmac,  in ib_resolve_unicast_gid_dmac()
733 			    struct rdma_ah_attr *ah_attr)  in ib_init_ah_attr_from_wc()  argument
746 	memset(ah_attr, 0, sizeof *ah_attr);  in ib_init_ah_attr_from_wc()
747 	ah_attr->type = rdma_ah_find_type(device, port_num);  in ib_init_ah_attr_from_wc()
760 	rdma_ah_set_sl(ah_attr, wc->sl);  in ib_init_ah_attr_from_wc()
761 	rdma_ah_set_port_num(ah_attr, port_num);  in ib_init_ah_attr_from_wc()
777 		rdma_move_grh_sgid_attr(ah_attr,  in ib_init_ah_attr_from_wc()
784 		ret = ib_resolve_unicast_gid_dmac(device, ah_attr);  in ib_init_ah_attr_from_wc()
786 			rdma_destroy_ah_attr(ah_attr);  in ib_init_ah_attr_from_wc()
790 		rdma_ah_set_dlid(ah_attr, wc->slid);  in ib_init_ah_attr_from_wc()
791 		rdma_ah_set_path_bits(ah_attr, wc->dlid_path_bits);  in ib_init_ah_attr_from_wc()
806 		rdma_move_grh_sgid_attr(ah_attr,  in ib_init_ah_attr_from_wc()
852 void rdma_destroy_ah_attr(struct rdma_ah_attr *ah_attr)  in rdma_destroy_ah_attr()  argument
854 	if (ah_attr->grh.sgid_attr) {  in rdma_destroy_ah_attr()
855 		rdma_put_gid_attr(ah_attr->grh.sgid_attr);  in rdma_destroy_ah_attr()
856 		ah_attr->grh.sgid_attr = NULL;  in rdma_destroy_ah_attr()
864 	struct rdma_ah_attr ah_attr;  in ib_create_ah_from_wc()  local
868 	ret = ib_init_ah_attr_from_wc(pd->device, port_num, wc, grh, &ah_attr);  in ib_create_ah_from_wc()
872 	ah = rdma_create_ah(pd, &ah_attr);  in ib_create_ah_from_wc()
874 	rdma_destroy_ah_attr(&ah_attr);  in ib_create_ah_from_wc()
879 int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr)  in rdma_modify_ah()  argument
884 	if (ah->type != ah_attr->type)  in rdma_modify_ah()
887 	ret = rdma_fill_sgid_attr(ah->device, ah_attr, &old_sgid_attr);  in rdma_modify_ah()
892 		ah->device->modify_ah(ah, ah_attr) :  in rdma_modify_ah()
895 	ah->sgid_attr = rdma_update_sgid_attr(ah_attr, ah->sgid_attr);  in rdma_modify_ah()
896 	rdma_unfill_sgid_attr(ah_attr, old_sgid_attr);  in rdma_modify_ah()
901 int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr)  in rdma_query_ah()  argument
903 	ah_attr->grh.sgid_attr = NULL;  in rdma_query_ah()
906 		ah->device->query_ah(ah, ah_attr) :  in rdma_query_ah()
1548 			       struct rdma_ah_attr *ah_attr)  in ib_resolve_eth_dmac()  argument
1552 	if (rdma_is_multicast_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) {  in ib_resolve_eth_dmac()
1553 		if (ipv6_addr_v4mapped((struct in6_addr *)ah_attr->grh.dgid.raw)) {  in ib_resolve_eth_dmac()
1556 			memcpy(&addr, ah_attr->grh.dgid.raw + 12, 4);  in ib_resolve_eth_dmac()
1557 			ip_eth_mc_map(addr, (char *)ah_attr->roce.dmac);  in ib_resolve_eth_dmac()
1559 			ipv6_eth_mc_map((struct in6_addr *)ah_attr->grh.dgid.raw,  in ib_resolve_eth_dmac()
1560 					(char *)ah_attr->roce.dmac);  in ib_resolve_eth_dmac()
1563 		ret = ib_resolve_unicast_gid_dmac(device, ah_attr);  in ib_resolve_eth_dmac()
1588 		ret = rdma_fill_sgid_attr(qp->device, &attr->ah_attr,  in _ib_modify_qp()
1623 	    attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE &&  in _ib_modify_qp()
1625 		ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr);  in _ib_modify_qp()
1652 			rdma_update_sgid_attr(&attr->ah_attr, qp->av_sgid_attr);  in _ib_modify_qp()
1662 		rdma_unfill_sgid_attr(&attr->ah_attr, old_sgid_attr_av);  in _ib_modify_qp()
1752 	qp_attr->ah_attr.grh.sgid_attr = NULL;  in ib_query_qp()