289 #define	IFNET_FOREACH_IFA(ifp, ifa)					\  argument
290 	CK_STAILQ_FOREACH((ifa), &(ifp)->if_addrhead, ifa_link)	\
291 		if ((ifa)->ifa_carp != NULL)
293 #define	CARP_FOREACH_IFA(sc, ifa)					\  argument
297 		((ifa) = sc->sc_ifas[_i]) != NULL;			\
344 	struct ifaddr *ifa;  in carp_hmac_prepare()  local
373 		CARP_FOREACH_IFA(sc, ifa) {  in carp_hmac_prepare()
374 			in.s_addr = ifatoia(ifa)->ia_addr.sin_addr.s_addr;  in carp_hmac_prepare()
375 			if (ifa->ifa_addr->sa_family == AF_INET &&  in carp_hmac_prepare()
392 		CARP_FOREACH_IFA(sc, ifa) {  in carp_hmac_prepare()
393 			in6 = ifatoia6(ifa)->ia_addr.sin6_addr;  in carp_hmac_prepare()
396 			if (ifa->ifa_addr->sa_family == AF_INET6 &&  in carp_hmac_prepare()
616 carp_source_is_self(struct mbuf *m, struct ifaddr *ifa, sa_family_t af)  in carp_source_is_self()  argument
631 		in4 = ifatoia(ifa)->ia_addr.sin_addr;  in carp_source_is_self()
637 		in6 = ifatoia6(ifa)->ia_addr.sin6_addr;  in carp_source_is_self()
650 	struct ifaddr *ifa, *match;  in carp_input_c()  local
671 	IFNET_FOREACH_IFA(ifp, ifa) {  in carp_input_c()
672 		if (match == NULL && ifa->ifa_carp != NULL &&  in carp_input_c()
673 		    ifa->ifa_addr->sa_family == af &&  in carp_input_c()
674 		    ifa->ifa_carp->sc_vhid == ch->carp_vhid)  in carp_input_c()
675 			match = ifa;  in carp_input_c()
676 		if (ch->carp_vhid == 0 && carp_source_is_self(m, ifa, af))  in carp_input_c()
679 	ifa = error ? NULL : match;  in carp_input_c()
680 	if (ifa != NULL)  in carp_input_c()
681 		ifa_ref(ifa);  in carp_input_c()
683 	if (ifa == NULL) {  in carp_input_c()
700 		ifa_free(ifa);  in carp_input_c()
705 	sc = ifa->ifa_carp;  in carp_input_c()
707 	ifa_free(ifa);  in carp_input_c()
902 	struct ifaddr *ifa, *best;  in carp_best_ifa()  local
909 	CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {  in carp_best_ifa()
910 		if (ifa->ifa_addr->sa_family == af &&  in carp_best_ifa()
911 		    (best == NULL || ifa_preferred(best, ifa)))  in carp_best_ifa()
912 			best = ifa;  in carp_best_ifa()
924 	struct ifaddr *ifa;  in carp_send_ad_locked()  local
973 		ifa = carp_best_ifa(AF_INET, sc->sc_carpdev);  in carp_send_ad_locked()
974 		if (ifa != NULL) {  in carp_send_ad_locked()
976 			    ifatoia(ifa)->ia_addr.sin_addr.s_addr;  in carp_send_ad_locked()
977 			ifa_free(ifa);  in carp_send_ad_locked()
1023 		ifa = carp_best_ifa(AF_INET6, sc->sc_carpdev);  in carp_send_ad_locked()
1024 		if (ifa != NULL) {  in carp_send_ad_locked()
1025 			bcopy(IFA_IN6(ifa), &ip6->ip6_src,  in carp_send_ad_locked()
1027 			ifa_free(ifa);  in carp_send_ad_locked()
1064 	struct ifaddr *ifa;  in carp_addroute()  local
1066 	CARP_FOREACH_IFA(sc, ifa)  in carp_addroute()
1067 		carp_ifa_addroute(ifa);  in carp_addroute()
1071 carp_ifa_addroute(struct ifaddr *ifa)  in carp_ifa_addroute()  argument
1074 	switch (ifa->ifa_addr->sa_family) {  in carp_ifa_addroute()
1077 		in_addprefix(ifatoia(ifa));  in carp_ifa_addroute()
1078 		ifa_add_loopback_route(ifa,  in carp_ifa_addroute()
1079 		    (struct sockaddr *)&ifatoia(ifa)->ia_addr);  in carp_ifa_addroute()
1084 		ifa_add_loopback_route(ifa,  in carp_ifa_addroute()
1085 		    (struct sockaddr *)&ifatoia6(ifa)->ia_addr);  in carp_ifa_addroute()
1086 		nd6_add_ifa_lle(ifatoia6(ifa));  in carp_ifa_addroute()
1095 	struct ifaddr *ifa;  in carp_delroute()  local
1097 	CARP_FOREACH_IFA(sc, ifa)  in carp_delroute()
1098 		carp_ifa_delroute(ifa);  in carp_delroute()
1102 carp_ifa_delroute(struct ifaddr *ifa)  in carp_ifa_delroute()  argument
1105 	switch (ifa->ifa_addr->sa_family) {  in carp_ifa_delroute()
1108 		ifa_del_loopback_route(ifa,  in carp_ifa_delroute()
1109 		    (struct sockaddr *)&ifatoia(ifa)->ia_addr);  in carp_ifa_delroute()
1110 		in_scrubprefix(ifatoia(ifa), LLE_STATIC);  in carp_ifa_delroute()
1115 		ifa_del_loopback_route(ifa,  in carp_ifa_delroute()
1116 		    (struct sockaddr *)&ifatoia6(ifa)->ia_addr);  in carp_ifa_delroute()
1117 		nd6_rem_ifa_lle(ifatoia6(ifa), 1);  in carp_ifa_delroute()
1124 carp_master(struct ifaddr *ifa)  in carp_master()  argument
1126 	struct carp_softc *sc = ifa->ifa_carp;  in carp_master()
1140 	struct ifaddr *ifa;  in carp_send_arp()  local
1145 	CARP_FOREACH_IFA(sc, ifa) {  in carp_send_arp()
1146 		if (ifa->ifa_addr->sa_family != AF_INET)  in carp_send_arp()
1148 		addr = ((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;  in carp_send_arp()
1154 carp_iamatch(struct ifaddr *ifa, uint8_t **enaddr)  in carp_iamatch()  argument
1156 	struct carp_softc *sc = ifa->ifa_carp;  in carp_iamatch()
1172 	struct ifaddr *ifa;  in carp_send_na()  local
1175 	CARP_FOREACH_IFA(sc, ifa) {  in carp_send_na()
1176 		if (ifa->ifa_addr->sa_family != AF_INET6)  in carp_send_na()
1179 		in6 = IFA_IN6(ifa);  in carp_send_na()
1193 	struct ifaddr *ifa;  in carp_iamatch6()  local
1197 	ifa = NULL;  in carp_iamatch6()
1198 	CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {  in carp_iamatch6()
1199 		if (ifa->ifa_addr->sa_family != AF_INET6)  in carp_iamatch6()
1201 		if (!IN6_ARE_ADDR_EQUAL(taddr, IFA_IN6(ifa)))  in carp_iamatch6()
1203 		if (ifa->ifa_carp && ifa->ifa_carp->sc_state != MASTER)  in carp_iamatch6()
1204 			ifa = NULL;  in carp_iamatch6()
1206 			ifa_ref(ifa);  in carp_iamatch6()
1210 	return (ifa);  in carp_iamatch6()
1216 	struct ifaddr *ifa;  in carp_macmatch6()  local
1220 	IFNET_FOREACH_IFA(ifp, ifa)  in carp_macmatch6()
1221 		if (ifa->ifa_addr->sa_family == AF_INET6 &&  in carp_macmatch6()
1222 		    IN6_ARE_ADDR_EQUAL(taddr, IFA_IN6(ifa))) {  in carp_macmatch6()
1223 			struct carp_softc *sc = ifa->ifa_carp;  in carp_macmatch6()
1900 carp_get_vhid(struct ifaddr *ifa)  in carp_get_vhid()  argument
1903 	if (ifa == NULL || ifa->ifa_carp == NULL)  in carp_get_vhid()
1906 	return (ifa->ifa_carp->sc_vhid);  in carp_get_vhid()
1910 carp_attach(struct ifaddr *ifa, int vhid)  in carp_attach()  argument
1912 	struct ifnet *ifp = ifa->ifa_ifp;  in carp_attach()
1917 	KASSERT(ifa->ifa_carp == NULL, ("%s: ifa %p attached", __func__, ifa));  in carp_attach()
1919 	switch (ifa->ifa_addr->sa_family) {  in carp_attach()
1945 	error = carp_multicast_setup(cif, ifa->ifa_addr->sa_family);  in carp_attach()
1956 	switch (ifa->ifa_addr->sa_family) {  in carp_attach()
1971 	ifa_ref(ifa);  in carp_attach()
1974 	sc->sc_ifas[index - 1] = ifa;  in carp_attach()
1975 	ifa->ifa_carp = sc;  in carp_attach()
1986 carp_detach(struct ifaddr *ifa, bool keep_cif)  in carp_detach()  argument
1988 	struct ifnet *ifp = ifa->ifa_ifp;  in carp_detach()
1990 	struct carp_softc *sc = ifa->ifa_carp;  in carp_detach()
1993 	KASSERT(sc != NULL, ("%s: %p not attached", __func__, ifa));  in carp_detach()
2001 		if (sc->sc_ifas[i] == ifa)  in carp_detach()
2003 	KASSERT(i < index, ("%s: %p no backref", __func__, ifa));  in carp_detach()
2008 	switch (ifa->ifa_addr->sa_family) {  in carp_detach()
2023 	carp_ifa_delroute(ifa);  in carp_detach()
2024 	carp_multicast_cleanup(cif, ifa->ifa_addr->sa_family);  in carp_detach()
2026 	ifa->ifa_carp = NULL;  in carp_detach()
2027 	ifa_free(ifa);  in carp_detach()