Function in_ifscrub_all

freebsd/netinet/in.c:1099–1130

}

void
in_ifscrub_all(void)
{
	struct ifnet *ifp;
	struct ifaddr *ifa, *nifa;
	struct ifaliasreq ifr;

	IFNET_RLOCK();
	CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) {
		/* Cannot lock here - lock recursion. */
		/* NET_EPOCH_ENTER(et); */
		CK_STAILQ_FOREACH_SAFE(ifa, &ifp->if_addrhead, ifa_link, nifa) {
			if (ifa->ifa_addr->sa_family != AF_INET)
				continue;

			/*
			 * This is ugly but the only way for legacy IP to
			 * cleanly remove addresses and everything attached.
			 */
			bzero(&ifr, sizeof(ifr));
			ifr.ifra_addr = *ifa->ifa_addr;
			if (ifa->ifa_dstaddr)
			ifr.ifra_broadaddr = *ifa->ifa_dstaddr;
			(void)in_control(NULL, SIOCDIFADDR, (caddr_t)&ifr,
			    ifp, NULL);
		}
		/* NET_EPOCH_EXIT(et); */
		in_purgemaddrs(ifp);
		igmp_domifdetach(ifp);
	}
	IFNET_RUNLOCK();
}

int
in_ifaddr_broadcast(struct in_addr in, struct in_ifaddr *ia)