bsd/net/rtsock.c

565 			 * ifa from changing (e.g. in_ifinit), so it is safe
828 	struct ifaddr *ifa = NULL;
856 	if (Ifpaddr && (ifa = ifa_ifwithnet_scoped(Ifpaddr, ifscope)) &&
857 	    (ifp = ifa->ifa_ifp) && (Ifaaddr || Gate)) {
858 		IFA_REMREF(ifa);
859 		ifa = ifaof_ifpforaddr(Ifaaddr ? Ifaaddr : Gate, ifp);
861 		if (ifa) {
862 			IFA_REMREF(ifa);
863 			ifa = 0;
867 				ifa = ifaof_ifpforaddr(Gate, ifp);
870 				ifa = TAILQ_FIRST(&ifp->if_addrhead);
871 				if (ifa != NULL)
872 					IFA_ADDREF(ifa);
876 		    (ifa = ifa_ifwithaddr_scoped(Ifaaddr, ifscope))) {
877 			ifp = ifa->ifa_ifp;
887 			if ((ifa = ifa_ifwithroute_scoped_locked(rt->rt_flags,
889 				ifp = ifa->ifa_ifp;
893 				if (ifa != NULL)
894 					IFA_REMREF(ifa);
901 	if (ifa) {
903 		if (oifa != ifa) {
911 			rtsetifa(rt, ifa);
945 			IFA_REMREF(ifa);
950 		IFA_REMREF(ifa);
1262 rt_newaddrmsg(int cmd, struct ifaddr *ifa, int error, struct rtentry *rt)
1268 	struct ifnet *ifp = ifa->ifa_ifp;
1288 			IFA_LOCK(ifa);
1289 			info.rti_info[RTAX_IFA] = sa = ifa->ifa_addr;
1297 			info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask;
1298 			info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr;
1300 				IFA_UNLOCK(ifa);
1304 			IFA_UNLOCK(ifa);
1308 			IFA_LOCK_SPIN(ifa);
1309 			ifam->ifam_metric = ifa->ifa_metric;
1310 			ifam->ifam_flags = ifa->ifa_flags;
1311 			IFA_UNLOCK(ifa);
1515 	struct ifaddr *ifa;
1535 			 * changing contents, so no need to hold the ifa lock.
1538 			ifa = ifp->if_lladdr;
1539 			info.rti_info[RTAX_IFP] = ifa->ifa_addr;
1553 				info.rti_info[RTAX_IFP] = ifa->ifa_addr;
1568 			while ((ifa = ifa->ifa_link.tqe_next) != 0) {
1569 				IFA_LOCK(ifa);
1570 				if (af && af != ifa->ifa_addr->sa_family) {
1571 					IFA_UNLOCK(ifa);
1574 				info.rti_info[RTAX_IFA] = ifa->ifa_addr;
1575 				info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask;
1576 				info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr;
1584 						IFA_UNLOCK(ifa);
1593 					ifam->ifam_index = ifa->ifa_ifp->if_index;
1594 					ifam->ifam_flags = ifa->ifa_flags;
1595 					ifam->ifam_metric = ifa->ifa_metric;
1602 				IFA_UNLOCK(ifa);
1644 	struct ifaddr *ifa;
1664 			 * changing contents, so no need to hold the ifa lock.
1667 			ifa = ifp->if_lladdr;
1668 			info.rti_info[RTAX_IFP] = ifa->ifa_addr;
1682 				info.rti_info[RTAX_IFP] = ifa->ifa_addr;
1702 			while ((ifa = ifa->ifa_link.tqe_next) != 0) {
1703 				IFA_LOCK(ifa);
1704 				if (af && af != ifa->ifa_addr->sa_family) {
1705 					IFA_UNLOCK(ifa);
1708 				info.rti_info[RTAX_IFA] = ifa->ifa_addr;
1709 				info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask;
1710 				info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr;
1718 						IFA_UNLOCK(ifa);
1727 					ifam->ifam_index = ifa->ifa_ifp->if_index;
1728 					ifam->ifam_flags = ifa->ifa_flags;
1729 					ifam->ifam_metric = ifa->ifa_metric;
1736 				IFA_UNLOCK(ifa);