sys/netipx/ipx.c

90 static void	ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia);
91 static int	ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
103 	struct ipx_ifaddr *ia;
115 	TAILQ_FOREACH(ia, &ipx_ifaddrhead, ia_link) {
116 		if (ia->ia_ifp == ifp)
119 	if (ia != NULL)
120 		ifa_ref(&ia->ia_ifa);
126 		if (ia == NULL) {
130 		*(struct sockaddr_ipx *)&ifr->ifr_addr = ia->ia_addr;
134 		if (ia == NULL) {
142 		*(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_broadaddr;
146 		if (ia == NULL) {
154 		*(struct sockaddr_ipx *)&ifr->ifr_dstaddr = ia->ia_dstaddr;
170 			for (oia = ia; ia; ia = TAILQ_NEXT(ia, ia_link)) {
171 				if (ia->ia_ifp == ifp  &&
172 				    ipx_neteq(ia->ia_addr.sipx_addr,
176 			if (oia != NULL && oia != ia)
178 			if (ia != NULL && oia != ia)
179 				ifa_ref(&ia->ia_ifa);
182 		if (cmd == SIOCDIFADDR && ia == NULL) {
192 		if (ia == NULL) {
193 			ia = malloc(sizeof(*ia), M_IFADDR, M_NOWAIT | M_ZERO);
194 			if (ia == NULL) {
198 			ifa = (struct ifaddr *)ia;
200 			ia->ia_ifp = ifp;
201 			ifa->ifa_addr = (struct sockaddr *)&ia->ia_addr;
203 			ifa->ifa_dstaddr = (struct sockaddr *)&ia->ia_dstaddr;
205 				ia->ia_broadaddr.sipx_family = AF_IPX;
206 				ia->ia_broadaddr.sipx_len =
207 				    sizeof(ia->ia_addr);
208 				ia->ia_broadaddr.sipx_addr.x_host =
211 			ifa_ref(&ia->ia_ifa);		/* ipx_ifaddrhead */
213 			TAILQ_INSERT_TAIL(&ipx_ifaddrhead, ia, ia_link);
216 			ifa_ref(&ia->ia_ifa);		/* if_addrhead */
234 		if (ia->ia_flags & IFA_ROUTE) {
235 			rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
236 			ia->ia_flags &= ~IFA_ROUTE;
240 			    (void *)ia);
244 		*(struct sockaddr *)&ia->ia_dstaddr = ifr->ifr_dstaddr;
248 		error = ipx_ifinit(ifp, ia,
253 		ipx_ifscrub(ifp, ia);
254 		ifa = (struct ifaddr *)ia;
262 		TAILQ_REMOVE(&ipx_ifaddrhead, ia, ia_link);
264 		ifa_free(&ia->ia_ifa);			/* ipx_ifaddrhead */
270 		if (ia->ia_addr.sipx_family == AF_IPX) {
272 				ifra->ifra_addr = ia->ia_addr;
275 					 ia->ia_addr.sipx_addr))
281 				ipx_ifscrub(ifp, ia);
282 			ia->ia_dstaddr = ifra->ifra_dstaddr;
287 			error = ipx_ifinit(ifp, ia, &ifra->ifra_addr, 0);
299 	if (ia != NULL)
300 		ifa_free(&ia->ia_ifa);
308 ipx_ifscrub(struct ifnet *ifp, struct ipx_ifaddr *ia)
311 	if (ia->ia_flags & IFA_ROUTE) {
313 			rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST);
315 			rtinit(&(ia->ia_ifa), (int)RTM_DELETE, 0);
316 		ia->ia_flags &= ~IFA_ROUTE;
324 ipx_ifinit(struct ifnet *ifp, struct ipx_ifaddr *ia,
333 	oldaddr = ia->ia_addr;
334 	ia->ia_addr = *sipx;
346 	    (error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, (void *)ia))) {
347 		ia->ia_addr = oldaddr;
352 	ia->ia_ifa.ifa_metric = ifp->if_metric;
358 		ia->ia_ifa.ifa_addr = (struct sockaddr *)&oldaddr;
359 		ipx_ifscrub(ifp, ia);
360 		ia->ia_ifa.ifa_addr = (struct sockaddr *)&ia->ia_addr;
363 		rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_HOST|RTF_UP);
365 		ia->ia_broadaddr.sipx_addr.x_net = ia->ia_addr.sipx_addr.x_net;
366 		rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_UP);
368 	ia->ia_flags |= IFA_ROUTE;
378 	struct ipx_ifaddr *ia;
386 	TAILQ_FOREACH(ia, &ipx_ifaddrhead, ia_link) {
387 		if ((ifp = ia->ia_ifp) != NULL) {
389 				compare = &satoipx_addr(ia->ia_dstaddr);
391 					return (ia);
393 				    ia->ia_addr.sipx_addr.x_net))
394 					ia_maybe = ia;
397 				    ia->ia_addr.sipx_addr.x_net))
398 					return (ia);