46 static struct rose_route *rose_route_list;
55 static int __must_check rose_add_node(struct rose_route_struct *rose_route,  in rose_add_node()  argument
67 		if ((rose_node->mask == rose_route->mask) &&  in rose_add_node()
68 		    (rosecmpm(&rose_route->address, &rose_node->address,  in rose_add_node()
69 			      rose_route->mask) == 0))  in rose_add_node()
81 		if (ax25cmp(&rose_route->neighbour,  in rose_add_node()
95 		rose_neigh->callsign  = rose_route->neighbour;  in rose_add_node()
111 		if (rose_route->ndigis != 0) {  in rose_add_node()
120 			rose_neigh->digipeat->ndigi      = rose_route->ndigis;  in rose_add_node()
123 			for (i = 0; i < rose_route->ndigis; i++) {  in rose_add_node()
125 					rose_route->digipeaters[i];  in rose_add_node()
146 			if (rose_tmpn->mask > rose_route->mask) {  in rose_add_node()
161 		rose_node->address      = rose_route->address;  in rose_add_node()
162 		rose_node->mask         = rose_route->mask;  in rose_add_node()
265 static void rose_remove_route(struct rose_route *rose_route)  in rose_remove_route()  argument
267 	struct rose_route *s;  in rose_remove_route()
269 	if (rose_route->neigh1 != NULL)  in rose_remove_route()
270 		rose_route->neigh1->use--;  in rose_remove_route()
272 	if (rose_route->neigh2 != NULL)  in rose_remove_route()
273 		rose_route->neigh2->use--;  in rose_remove_route()
275 	if ((s = rose_route_list) == rose_route) {  in rose_remove_route()
276 		rose_route_list = rose_route->next;  in rose_remove_route()
277 		kfree(rose_route);  in rose_remove_route()
282 		if (s->next == rose_route) {  in rose_remove_route()
283 			s->next = rose_route->next;  in rose_remove_route()
284 			kfree(rose_route);  in rose_remove_route()
296 static int rose_del_node(struct rose_route_struct *rose_route,  in rose_del_node()  argument
308 		if ((rose_node->mask == rose_route->mask) &&  in rose_del_node()
309 		    (rosecmpm(&rose_route->address, &rose_node->address,  in rose_del_node()
310 			      rose_route->mask) == 0))  in rose_del_node()
322 		if (ax25cmp(&rose_route->neighbour,  in rose_del_node()
534 	struct rose_route *s, *rose_route;
537 	rose_route = rose_route_list;
538 	while (rose_route != NULL) {
539 		s          = rose_route;
540 		rose_route = rose_route->next;
661 struct rose_route *rose_route_free_lci(unsigned int lci, struct rose_neigh *neigh)  in rose_route_free_lci()
663 	struct rose_route *rose_route;  in rose_route_free_lci()  local
665 	for (rose_route = rose_route_list; rose_route != NULL; rose_route = rose_route->next)  in rose_route_free_lci()
666 		if ((rose_route->neigh1 == neigh && rose_route->lci1 == lci) ||  in rose_route_free_lci()
667 		    (rose_route->neigh2 == neigh && rose_route->lci2 == lci))  in rose_route_free_lci()
668 			return rose_route;  in rose_route_free_lci()
728 	struct rose_route_struct rose_route;  in rose_rt_ioctl()  local
734 		if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct)))  in rose_rt_ioctl()
736 		if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL)  in rose_rt_ioctl()
738 		if (rose_dev_exists(&rose_route.address)) /* Can't add routes to ourself */  in rose_rt_ioctl()
740 		if (rose_route.mask > 10) /* Mask can't be more than 10 digits */  in rose_rt_ioctl()
742 		if (rose_route.ndigis > AX25_MAX_DIGIS)  in rose_rt_ioctl()
744 		err = rose_add_node(&rose_route, dev);  in rose_rt_ioctl()
748 		if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct)))  in rose_rt_ioctl()
750 		if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL)  in rose_rt_ioctl()
752 		err = rose_del_node(&rose_route, dev);  in rose_rt_ioctl()
767 	struct rose_route *rose_route, *s;  in rose_del_route_by_neigh()  local
778 	rose_route = rose_route_list;  in rose_del_route_by_neigh()
780 	while (rose_route != NULL) {  in rose_del_route_by_neigh()
781 		if ((rose_route->neigh1 == rose_neigh && rose_route->neigh2 == rose_neigh) ||  in rose_del_route_by_neigh()
782 		    (rose_route->neigh1 == rose_neigh && rose_route->neigh2 == NULL)       ||  in rose_del_route_by_neigh()
783 		    (rose_route->neigh2 == rose_neigh && rose_route->neigh1 == NULL)) {  in rose_del_route_by_neigh()
784 			s = rose_route->next;  in rose_del_route_by_neigh()
785 			rose_remove_route(rose_route);  in rose_del_route_by_neigh()
786 			rose_route = s;  in rose_del_route_by_neigh()
790 		if (rose_route->neigh1 == rose_neigh) {  in rose_del_route_by_neigh()
791 			rose_route->neigh1->use--;  in rose_del_route_by_neigh()
792 			rose_route->neigh1 = NULL;  in rose_del_route_by_neigh()
793 			rose_transmit_clear_request(rose_route->neigh2, rose_route->lci2, ROSE_OUT_OF_ORDER, 0);  in rose_del_route_by_neigh()
796 		if (rose_route->neigh2 == rose_neigh) {  in rose_del_route_by_neigh()
797 			rose_route->neigh2->use--;  in rose_del_route_by_neigh()
798 			rose_route->neigh2 = NULL;  in rose_del_route_by_neigh()
799 			rose_transmit_clear_request(rose_route->neigh1, rose_route->lci1, ROSE_OUT_OF_ORDER, 0);  in rose_del_route_by_neigh()
802 		rose_route = rose_route->next;  in rose_del_route_by_neigh()
856 	struct rose_route *rose_route;  in rose_route_frame()  local
963 	rose_route = rose_route_list;  in rose_route_frame()
964 	while (rose_route != NULL) {  in rose_route_frame()
965 		if (rose_route->lci1 == lci &&  in rose_route_frame()
966 		    rose_route->neigh1 == rose_neigh) {  in rose_route_frame()
969 				rose_remove_route(rose_route);  in rose_route_frame()
971 			} else if (rose_route->neigh2 != NULL) {  in rose_route_frame()
973 				skb->data[0] |= (rose_route->lci2 >> 8) & 0x0F;  in rose_route_frame()
974 				skb->data[1]  = (rose_route->lci2 >> 0) & 0xFF;  in rose_route_frame()
975 				rose_transmit_link(skb, rose_route->neigh2);  in rose_route_frame()
977 					rose_remove_route(rose_route);  in rose_route_frame()
982 					rose_remove_route(rose_route);  in rose_route_frame()
986 		if (rose_route->lci2 == lci &&  in rose_route_frame()
987 		    rose_route->neigh2 == rose_neigh) {  in rose_route_frame()
990 				rose_remove_route(rose_route);  in rose_route_frame()
992 			} else if (rose_route->neigh1 != NULL) {  in rose_route_frame()
994 				skb->data[0] |= (rose_route->lci1 >> 8) & 0x0F;  in rose_route_frame()
995 				skb->data[1]  = (rose_route->lci1 >> 0) & 0xFF;  in rose_route_frame()
996 				rose_transmit_link(skb, rose_route->neigh1);  in rose_route_frame()
998 					rose_remove_route(rose_route);  in rose_route_frame()
1003 					rose_remove_route(rose_route);  in rose_route_frame()
1007 		rose_route = rose_route->next;  in rose_route_frame()
1032 	rose_route = rose_route_list;  in rose_route_frame()
1033 	while (rose_route != NULL) {  in rose_route_frame()
1034 		if (rose_route->rand == facilities.rand &&  in rose_route_frame()
1035 		    rosecmp(src_addr, &rose_route->src_addr) == 0 &&  in rose_route_frame()
1036 		    ax25cmp(&facilities.dest_call, &rose_route->src_call) == 0 &&  in rose_route_frame()
1037 		    ax25cmp(&facilities.source_call, &rose_route->dest_call) == 0) {  in rose_route_frame()
1041 		rose_route = rose_route->next;  in rose_route_frame()
1054 	if ((rose_route = kmalloc(sizeof(*rose_route), GFP_ATOMIC)) == NULL) {  in rose_route_frame()
1059 	rose_route->lci1      = lci;  in rose_route_frame()
1060 	rose_route->src_addr  = *src_addr;  in rose_route_frame()
1061 	rose_route->dest_addr = *dest_addr;  in rose_route_frame()
1062 	rose_route->src_call  = facilities.dest_call;  in rose_route_frame()
1063 	rose_route->dest_call = facilities.source_call;  in rose_route_frame()
1064 	rose_route->rand      = facilities.rand;  in rose_route_frame()
1065 	rose_route->neigh1    = rose_neigh;  in rose_route_frame()
1066 	rose_route->lci2      = new_lci;  in rose_route_frame()
1067 	rose_route->neigh2    = new_neigh;  in rose_route_frame()
1069 	rose_route->neigh1->use++;  in rose_route_frame()
1070 	rose_route->neigh2->use++;  in rose_route_frame()
1072 	rose_route->next = rose_route_list;  in rose_route_frame()
1073 	rose_route_list  = rose_route;  in rose_route_frame()
1076 	skb->data[0] |= (rose_route->lci2 >> 8) & 0x0F;  in rose_route_frame()
1077 	skb->data[1]  = (rose_route->lci2 >> 0) & 0xFF;  in rose_route_frame()
1079 	rose_transmit_link(skb, rose_route->neigh2);  in rose_route_frame()
1258 	struct rose_route *rose_route;  in rose_route_start()  local
1265 	for (rose_route = rose_route_list; rose_route && i < *pos;  in rose_route_start()
1266 	     rose_route = rose_route->next, ++i);  in rose_route_start()
1268 	return (i == *pos) ? rose_route : NULL;  in rose_route_start()
1276 		: ((struct rose_route *)v)->next;  in rose_route_next()
1293 		struct rose_route *rose_route = v;  in rose_route_show()  local
1295 		if (rose_route->neigh1)  in rose_route_show()
1298 				   rose_route->lci1,  in rose_route_show()
1299 				   rose2asc(rsbuf, &rose_route->src_addr),  in rose_route_show()
1300 				   ax2asc(buf, &rose_route->src_call),  in rose_route_show()
1301 				   rose_route->neigh1->number);  in rose_route_show()
1306 		if (rose_route->neigh2)  in rose_route_show()
1309 				   rose_route->lci2,  in rose_route_show()
1310 				   rose2asc(rsbuf, &rose_route->dest_addr),  in rose_route_show()
1311 				   ax2asc(buf, &rose_route->dest_call),  in rose_route_show()
1312 				   rose_route->neigh2->number);  in rose_route_show()
1349 	struct rose_route *u, *rose_route = rose_route_list;  in rose_rt_free()  local
1365 	while (rose_route != NULL) {  in rose_rt_free()
1366 		u          = rose_route;  in rose_rt_free()
1367 		rose_route = rose_route->next;  in rose_rt_free()