289 static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,  in icmpv4_xrlim_allow()  argument
292 	struct dst_entry *dst = &rt->dst;  in icmpv4_xrlim_allow()
356 			    struct ipcm_cookie *ipc, struct rtable **rt)  in icmp_push_reply()  argument
361 	sk = icmp_sk(dev_net((*rt)->dst.dev));  in icmp_push_reply()
365 			   ipc, rt, MSG_DONTWAIT) < 0) {  in icmp_push_reply()
392 	struct rtable *rt = skb_rtable(skb);  in icmp_reply()  local
393 	struct net *net = dev_net(rt->dst.dev);  in icmp_reply()
432 	rt = ip_route_output_key(net, &fl4);  in icmp_reply()
433 	if (IS_ERR(rt))  in icmp_reply()
435 	if (icmpv4_xrlim_allow(net, rt, &fl4, icmp_param->data.icmph.type,  in icmp_reply()
437 		icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_reply()
438 	ip_rt_put(rt);  in icmp_reply()
467 	struct rtable *rt, *rt2;  in icmp_route_lookup()  local
483 	rt = __ip_route_output_key_hash(net, fl4,  in icmp_route_lookup()
485 	if (IS_ERR(rt))  in icmp_route_lookup()
486 		return rt;  in icmp_route_lookup()
489 	rt2 = rt;  in icmp_route_lookup()
491 	rt = (struct rtable *) xfrm_lookup(net, &rt->dst,  in icmp_route_lookup()
493 	if (!IS_ERR(rt)) {  in icmp_route_lookup()
494 		if (rt != rt2)  in icmp_route_lookup()
495 			return rt;  in icmp_route_lookup()
496 	} else if (PTR_ERR(rt) == -EPERM) {  in icmp_route_lookup()
497 		rt = NULL;  in icmp_route_lookup()
499 		return rt;  in icmp_route_lookup()
538 		dst_release(&rt->dst);  in icmp_route_lookup()
540 		rt = rt2;  in icmp_route_lookup()
542 		if (rt)  in icmp_route_lookup()
543 			dst_release(&rt->dst);  in icmp_route_lookup()
549 	return rt;  in icmp_route_lookup()
552 	if (rt)  in icmp_route_lookup()
553 		return rt;  in icmp_route_lookup()
573 	struct rtable *rt = skb_rtable(skb_in);  in icmp_send()  local
582 	if (!rt)  in icmp_send()
584 	net = dev_net(rt->dst.dev);  in icmp_send()
607 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))  in icmp_send()
662 	if (!(rt->rt_flags & RTCF_LOCAL)) {  in icmp_send()
666 		if (rt_is_input_route(rt) &&  in icmp_send()
704 	rt = icmp_route_lookup(net, &fl4, skb_in, iph, saddr, tos, mark,  in icmp_send()
706 	if (IS_ERR(rt))  in icmp_send()
709 	if (!icmpv4_xrlim_allow(net, rt, &fl4, type, code))  in icmp_send()
714 	room = dst_mtu(&rt->dst);  in icmp_send()
725 	icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_send()
727 	ip_rt_put(rt);  in icmp_send()
978 	struct rtable *rt = skb_rtable(skb);  in icmp_rcv()  local
979 	struct net *net = dev_net(rt->dst.dev);  in icmp_rcv()
1027 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {  in icmp_rcv()