288 static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,  in icmpv4_xrlim_allow()  argument
291 	struct dst_entry *dst = &rt->dst;  in icmpv4_xrlim_allow()
354 			    struct ipcm_cookie *ipc, struct rtable **rt)  in icmp_push_reply()  argument
359 	sk = icmp_sk(dev_net((*rt)->dst.dev));  in icmp_push_reply()
363 			   ipc, rt, MSG_DONTWAIT) < 0) {  in icmp_push_reply()
390 	struct rtable *rt = skb_rtable(skb);  in icmp_reply()  local
391 	struct net *net = dev_net(rt->dst.dev);  in icmp_reply()
429 	rt = ip_route_output_key(net, &fl4);  in icmp_reply()
430 	if (IS_ERR(rt))  in icmp_reply()
432 	if (icmpv4_xrlim_allow(net, rt, &fl4, icmp_param->data.icmph.type,  in icmp_reply()
434 		icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_reply()
435 	ip_rt_put(rt);  in icmp_reply()
448 	struct rtable *rt, *rt2;  in icmp_route_lookup()  local
462 	rt = __ip_route_output_key(net, fl4);  in icmp_route_lookup()
463 	if (IS_ERR(rt))  in icmp_route_lookup()
464 		return rt;  in icmp_route_lookup()
467 	rt2 = rt;  in icmp_route_lookup()
469 	rt = (struct rtable *) xfrm_lookup(net, &rt->dst,  in icmp_route_lookup()
471 	if (!IS_ERR(rt)) {  in icmp_route_lookup()
472 		if (rt != rt2)  in icmp_route_lookup()
473 			return rt;  in icmp_route_lookup()
474 	} else if (PTR_ERR(rt) == -EPERM) {  in icmp_route_lookup()
475 		rt = NULL;  in icmp_route_lookup()
477 		return rt;  in icmp_route_lookup()
514 		dst_release(&rt->dst);  in icmp_route_lookup()
516 		rt = rt2;  in icmp_route_lookup()
518 		if (rt)  in icmp_route_lookup()
519 			dst_release(&rt->dst);  in icmp_route_lookup()
525 	return rt;  in icmp_route_lookup()
528 	if (rt)  in icmp_route_lookup()
529 		return rt;  in icmp_route_lookup()
549 	struct rtable *rt = skb_rtable(skb_in);  in icmp_send()  local
558 	if (!rt)  in icmp_send()
560 	net = dev_net(rt->dst.dev);  in icmp_send()
583 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))  in icmp_send()
638 	if (!(rt->rt_flags & RTCF_LOCAL)) {  in icmp_send()
642 		if (rt_is_input_route(rt) &&  in icmp_send()
680 	rt = icmp_route_lookup(net, &fl4, skb_in, iph, saddr, tos, mark,  in icmp_send()
682 	if (IS_ERR(rt))  in icmp_send()
685 	if (!icmpv4_xrlim_allow(net, rt, &fl4, type, code))  in icmp_send()
690 	room = dst_mtu(&rt->dst);  in icmp_send()
701 	icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_send()
703 	ip_rt_put(rt);  in icmp_send()
954 	struct rtable *rt = skb_rtable(skb);  in icmp_rcv()  local
955 	struct net *net = dev_net(rt->dst.dev);  in icmp_rcv()
1003 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {  in icmp_rcv()