484 					struct sk_buff *skb_in,  in icmp_route_lookup()  argument
505 	route_lookup_dev = icmp_get_route_lookup_dev(skb_in);  in icmp_route_lookup()
508 	security_skb_classify_flow(skb_in, flowi4_to_flowi(fl4));  in icmp_route_lookup()
509 	rt = ip_route_output_key_hash(net, fl4, skb_in);  in icmp_route_lookup()
526 	err = xfrm_decode_session_reverse(skb_in, flowi4_to_flowi(&fl4_dec), AF_INET);  in icmp_route_lookup()
546 		orefdst = skb_in->_skb_refdst; /* save old refdst */  in icmp_route_lookup()
547 		skb_dst_set(skb_in, NULL);  in icmp_route_lookup()
548 		err = ip_route_input(skb_in, fl4_dec.daddr, fl4_dec.saddr,  in icmp_route_lookup()
552 		rt2 = skb_rtable(skb_in);  in icmp_route_lookup()
553 		skb_in->_skb_refdst = orefdst; /* restore old refdst */  in icmp_route_lookup()
593 void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,  in __icmp_send()  argument
599 	struct rtable *rt = skb_rtable(skb_in);  in __icmp_send()
613 	else if (skb_in->dev)  in __icmp_send()
614 		net = dev_net(skb_in->dev);  in __icmp_send()
623 	iph = ip_hdr(skb_in);  in __icmp_send()
625 	if ((u8 *)iph < skb_in->head ||  in __icmp_send()
626 	    (skb_network_header(skb_in) + sizeof(*iph)) >  in __icmp_send()
627 	    skb_tail_pointer(skb_in))  in __icmp_send()
633 	if (skb_in->pkt_type != PACKET_HOST)  in __icmp_send()
660 			itp = skb_header_pointer(skb_in,  in __icmp_send()
661 						 skb_network_header(skb_in) +  in __icmp_send()
665 						 skb_in->data,  in __icmp_send()
688 	if (!(skb_in->dev && (skb_in->dev->flags&IFF_LOOPBACK)) &&  in __icmp_send()
707 			dev = dev_get_by_index_rcu(net, inet_iif(skb_in));  in __icmp_send()
719 	mark = IP4_REPLY_MARK(net, skb_in->mark);  in __icmp_send()
721 	if (__ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in, opt))  in __icmp_send()
733 	icmp_param.skb	  = skb_in;  in __icmp_send()
734 	icmp_param.offset = skb_network_offset(skb_in);  in __icmp_send()
741 	rt = icmp_route_lookup(net, &fl4, skb_in, iph, saddr, tos, mark,  in __icmp_send()
763 	icmp_param.data_len = skb_in->len - icmp_param.offset;  in __icmp_send()
788 void icmp_ndo_send(struct sk_buff *skb_in, int type, int code, __be32 info)  in icmp_ndo_send()  argument
796 	ct = nf_ct_get(skb_in, &ctinfo);  in icmp_ndo_send()
798 		__icmp_send(skb_in, type, code, info, &opts);  in icmp_ndo_send()
802 	if (skb_shared(skb_in))  in icmp_ndo_send()
803 		skb_in = cloned_skb = skb_clone(skb_in, GFP_ATOMIC);  in icmp_ndo_send()
805 	if (unlikely(!skb_in || skb_network_header(skb_in) < skb_in->head ||  in icmp_ndo_send()
806 	    (skb_network_header(skb_in) + sizeof(struct iphdr)) >  in icmp_ndo_send()
807 	    skb_tail_pointer(skb_in) || skb_ensure_writable(skb_in,  in icmp_ndo_send()
808 	    skb_network_offset(skb_in) + sizeof(struct iphdr))))  in icmp_ndo_send()
811 	orig_ip = ip_hdr(skb_in)->saddr;  in icmp_ndo_send()
812 	ip_hdr(skb_in)->saddr = ct->tuplehash[0].tuple.src.u3.ip;  in icmp_ndo_send()
813 	__icmp_send(skb_in, type, code, info, &opts);  in icmp_ndo_send()
814 	ip_hdr(skb_in)->saddr = orig_ip;  in icmp_ndo_send()