293 static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,  in icmpv4_xrlim_allow()  argument
296 	struct dst_entry *dst = &rt->dst;  in icmpv4_xrlim_allow()
360 			    struct ipcm_cookie *ipc, struct rtable **rt)  in icmp_push_reply()  argument
365 	sk = icmp_sk(dev_net((*rt)->dst.dev));  in icmp_push_reply()
369 			   ipc, rt, MSG_DONTWAIT) < 0) {  in icmp_push_reply()
396 	struct rtable *rt = skb_rtable(skb);  in icmp_reply()  local
397 	struct net *net = dev_net(rt->dst.dev);  in icmp_reply()
437 	rt = ip_route_output_key(net, &fl4);  in icmp_reply()
438 	if (IS_ERR(rt))  in icmp_reply()
440 	if (icmpv4_xrlim_allow(net, rt, &fl4, icmp_param->data.icmph.type,  in icmp_reply()
442 		icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_reply()
443 	ip_rt_put(rt);  in icmp_reply()
490 	struct rtable *rt, *rt2;  in icmp_route_lookup()  local
508 	rt = __ip_route_output_key_hash(net, fl4,  in icmp_route_lookup()
510 	if (IS_ERR(rt))  in icmp_route_lookup()
511 		return rt;  in icmp_route_lookup()
514 	rt2 = rt;  in icmp_route_lookup()
516 	rt = (struct rtable *) xfrm_lookup(net, &rt->dst,  in icmp_route_lookup()
518 	if (!IS_ERR(rt)) {  in icmp_route_lookup()
519 		if (rt != rt2)  in icmp_route_lookup()
520 			return rt;  in icmp_route_lookup()
521 	} else if (PTR_ERR(rt) == -EPERM) {  in icmp_route_lookup()
522 		rt = NULL;  in icmp_route_lookup()
524 		return rt;  in icmp_route_lookup()
563 		dst_release(&rt->dst);  in icmp_route_lookup()
565 		rt = rt2;  in icmp_route_lookup()
567 		if (rt)  in icmp_route_lookup()
568 			dst_release(&rt->dst);  in icmp_route_lookup()
574 	return rt;  in icmp_route_lookup()
577 	if (rt)  in icmp_route_lookup()
578 		return rt;  in icmp_route_lookup()
599 	struct rtable *rt = skb_rtable(skb_in);  in __icmp_send()  local
608 	if (!rt)  in __icmp_send()
610 	net = dev_net(rt->dst.dev);  in __icmp_send()
633 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))  in __icmp_send()
688 	if (!(rt->rt_flags & RTCF_LOCAL)) {  in __icmp_send()
692 		if (rt_is_input_route(rt) &&  in __icmp_send()
730 	rt = icmp_route_lookup(net, &fl4, skb_in, iph, saddr, tos, mark,  in __icmp_send()
732 	if (IS_ERR(rt))  in __icmp_send()
735 	if (!icmpv4_xrlim_allow(net, rt, &fl4, type, code))  in __icmp_send()
740 	room = dst_mtu(&rt->dst);  in __icmp_send()
751 	icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in __icmp_send()
753 	ip_rt_put(rt);  in __icmp_send()
1004 	struct rtable *rt = skb_rtable(skb);  in icmp_rcv()  local
1005 	struct net *net = dev_net(rt->dst.dev);  in icmp_rcv()
1053 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {  in icmp_rcv()