143 	struct rtable *rt = skb_rtable(skb);  in ip_build_and_send_pkt()  local
154 	iph->ttl      = ip_select_ttl(inet, &rt->dst);  in ip_build_and_send_pkt()
159 	if (skb->len <= IPV4_MIN_MTU || ip_dont_fragment(sk, &rt->dst)) {  in ip_build_and_send_pkt()
175 		ip_options_build(skb, &opt->opt, daddr, rt, 0);  in ip_build_and_send_pkt()
189 	struct rtable *rt = (struct rtable *)dst;  in ip_finish_output2()  local
195 	if (rt->rt_type == RTN_MULTICAST) {  in ip_finish_output2()
197 	} else if (rt->rt_type == RTN_BROADCAST)  in ip_finish_output2()
216 	nexthop = (__force u32) rt_nexthop(rt, ip_hdr(skb)->daddr);  in ip_finish_output2()
301 	struct rtable *rt = skb_rtable(skb);  in ip_mc_output()  local
302 	struct net_device *dev = rt->dst.dev;  in ip_mc_output()
316 	if (rt->rt_flags&RTCF_MULTICAST) {  in ip_mc_output()
328 		    ((rt->rt_flags & RTCF_LOCAL) ||  in ip_mc_output()
347 	if (rt->rt_flags&RTCF_BROADCAST) {  in ip_mc_output()
398 	struct rtable *rt;  in ip_queue_xmit()  local
408 	rt = skb_rtable(skb);  in ip_queue_xmit()
409 	if (rt)  in ip_queue_xmit()
413 	rt = (struct rtable *)__sk_dst_check(sk, 0);  in ip_queue_xmit()
414 	if (!rt) {  in ip_queue_xmit()
426 		rt = ip_route_output_ports(net, fl4, sk,  in ip_queue_xmit()
433 		if (IS_ERR(rt))  in ip_queue_xmit()
435 		sk_setup_caps(sk, &rt->dst);  in ip_queue_xmit()
437 	skb_dst_set_noref(skb, &rt->dst);  in ip_queue_xmit()
440 	if (inet_opt && inet_opt->opt.is_strictroute && rt->rt_uses_gateway)  in ip_queue_xmit()
448 	if (ip_dont_fragment(sk, &rt->dst) && !skb->ignore_df)  in ip_queue_xmit()
452 	iph->ttl      = ip_select_ttl(inet, &rt->dst);  in ip_queue_xmit()
460 		ip_options_build(skb, &inet_opt->opt, inet->inet_daddr, rt, 0);  in ip_queue_xmit()
547 	struct rtable *rt = skb_rtable(skb);  in ip_do_fragment()  local
550 	dev = rt->dst.dev;  in ip_do_fragment()
686 	ll_rs = LL_RESERVED_SPACE(rt->dst.dev);  in ip_do_fragment()
902 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_append_data()  local
907 	exthdrlen = !skb ? rt->dst.header_len : 0;  in __ip_append_data()
913 	hh_len = LL_RESERVED_SPACE(rt->dst.dev);  in __ip_append_data()
931 	    rt->dst.dev->features & NETIF_F_V4_CSUM &&  in __ip_append_data()
941 	    (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&  in __ip_append_data()
990 			    !(rt->dst.dev->features&NETIF_F_SG))  in __ip_append_data()
1003 				alloclen += rt->dst.trailer_len;  in __ip_append_data()
1077 		if (!(rt->dst.dev->features&NETIF_F_SG) &&  in __ip_append_data()
1137 	struct rtable *rt;  in ip_setup_cork()  local
1154 	rt = *rtp;  in ip_setup_cork()
1155 	if (unlikely(!rt))  in ip_setup_cork()
1159 			 dst_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu);  in ip_setup_cork()
1164 	cork->dst = &rt->dst;  in ip_setup_cork()
1219 	struct rtable *rt;  in ip_append_page()  local
1238 	rt = (struct rtable *)cork->dst;  in ip_append_page()
1242 	if (!(rt->dst.dev->features&NETIF_F_SG))  in ip_append_page()
1245 	hh_len = LL_RESERVED_SPACE(rt->dst.dev);  in ip_append_page()
1265 	    (rt->dst.dev->features & NETIF_F_UFO)) {  in ip_append_page()
1381 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_make_skb()  local
1416 	    (skb->len <= dst_mtu(&rt->dst) &&  in __ip_make_skb()
1417 	     ip_dont_fragment(sk, &rt->dst)))  in __ip_make_skb()
1425 	else if (rt->rt_type == RTN_MULTICAST)  in __ip_make_skb()
1428 		ttl = ip_select_ttl(inet, &rt->dst);  in __ip_make_skb()
1442 		ip_options_build(skb, opt, cork->addr, rt, 0);  in __ip_make_skb()
1452 	skb_dst_set(skb, &rt->dst);  in __ip_make_skb()
1571 	struct rtable *rt = skb_rtable(skb);  in ip_send_unicast_reply()  local
1606 	rt = ip_route_output_key(net, &fl4);  in ip_send_unicast_reply()
1607 	if (IS_ERR(rt))  in ip_send_unicast_reply()
1617 			     len, 0, &ipc, &rt, MSG_DONTWAIT);  in ip_send_unicast_reply()
1633 	ip_rt_put(rt);  in ip_send_unicast_reply()