net/appletalk/ddp.c

513 	struct atalk_route *rt;
529 	for (rt = atalk_routes; rt; rt = rt->next) {
530 		if (r->rt_flags != rt->flags)
533 		if (ta->sat_addr.s_net == rt->target.s_net) {
534 			if (!(rt->flags & RTF_HOST))
536 			if (ta->sat_addr.s_node == rt->target.s_node)
566 	if (!rt) {
567 		rt = kzalloc(sizeof(*rt), GFP_ATOMIC);
570 		if (!rt)
573 		rt->next = atalk_routes;
574 		atalk_routes = rt;
578 	rt->target  = ta->sat_addr;
580 	rt->dev     = devhint;
581 	rt->flags   = r->rt_flags;
582 	rt->gateway = ga->sat_addr;
884 static int atrtr_ioctl_addrt(struct rtentry *rt)
888 	if (rt->rt_dev) {
891 		if (copy_from_user(name, rt->rt_dev, IFNAMSIZ-1))
899 	return atrtr_create(rt, dev);
905 	struct rtentry rt;
907 	if (copy_from_user(&rt, arg, sizeof(rt)))
912 		if (rt.rt_dst.sa_family != AF_APPLETALK)
915 				      &rt.rt_dst)->sat_addr);
918 		return atrtr_ioctl_addrt(&rt);
1303 	struct atalk_route *rt;
1327 	rt = atrtr_find(&ta);
1330 	if (!rt || !(len_hops & (15 << 10)))
1340 	if (rt->flags & RTF_GATEWAY) {
1341 		ta.s_net  = rt->gateway.s_net;
1342 		ta.s_node = rt->gateway.s_node;
1347 			    (rt->dev->hard_header_len +
1379 	if (aarp_send_ddp(rt->dev, skb, &ta, NULL) == NET_XMIT_DROP)
1558 	struct atalk_route *rt, *rt_lo = NULL;
1603 		rt = atrtr_find(&usat->sat_addr);
1610 		rt = atrtr_find(&at_hint);
1613 	if (!rt)
1616 	dev = rt->dev;
1624 	    (dev->flags & IFF_LOOPBACK || !(rt->flags & RTF_GATEWAY))) {
1677 	    !(rt->flags & RTF_GATEWAY) && !(dev->flags & IFF_LOOPBACK)) {
1706 		if (rt->flags & RTF_GATEWAY) {
1707 		    gsat.sat_addr = rt->gateway;
1832 	struct rtentry rt;
1834 	if (copy_from_user(&rt.rt_dst, &ur->rt_dst,
1836 	    get_user(rt.rt_flags, &ur->rt_flags) ||
1837 	    get_user(rt.rt_metric, &ur->rt_metric) ||
1838 	    get_user(rt.rt_mtu, &ur->rt_mtu) ||
1839 	    get_user(rt.rt_window, &ur->rt_window) ||
1840 	    get_user(rt.rt_irtt, &ur->rt_irtt) ||
1846 		if (rt.rt_dst.sa_family != AF_APPLETALK)
1849 				      &rt.rt_dst)->sat_addr);
1852 		rt.rt_dev = compat_ptr(rtdev);
1853 		return atrtr_ioctl_addrt(&rt);