862 			    struct inet_cork *cork,  in __ip_append_data()  argument
872 	struct ip_options *opt = cork->opt;  in __ip_append_data()
881 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_append_data()
889 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in __ip_append_data()
890 	paged = !!cork->gso_size;  in __ip_append_data()
892 	if (cork->tx_flags & SKBTX_ANY_SW_TSTAMP &&  in __ip_append_data()
902 	if (cork->length + length > maxnonfragsize - fragheaderlen) {  in __ip_append_data()
915 	    (!(flags & MSG_MORE) || cork->gso_size) &&  in __ip_append_data()
919 	cork->length += length;  in __ip_append_data()
1004 			skb_shinfo(skb)->tx_flags = cork->tx_flags;  in __ip_append_data()
1005 			cork->tx_flags = 0;  in __ip_append_data()
1112 	cork->length -= length;  in __ip_append_data()
1118 static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,  in ip_setup_cork()  argument
1133 		if (!cork->opt) {  in ip_setup_cork()
1134 			cork->opt = kmalloc(sizeof(struct ip_options) + 40,  in ip_setup_cork()
1136 			if (unlikely(!cork->opt))  in ip_setup_cork()
1139 		memcpy(cork->opt, &opt->opt, sizeof(struct ip_options) + opt->opt.optlen);  in ip_setup_cork()
1140 		cork->flags |= IPCORK_OPT;  in ip_setup_cork()
1141 		cork->addr = ipc->addr;  in ip_setup_cork()
1148 	cork->fragsize = ip_sk_use_pmtu(sk) ?  in ip_setup_cork()
1151 	cork->gso_size = ipc->gso_size;  in ip_setup_cork()
1152 	cork->dst = &rt->dst;  in ip_setup_cork()
1153 	cork->length = 0;  in ip_setup_cork()
1154 	cork->ttl = ipc->ttl;  in ip_setup_cork()
1155 	cork->tos = ipc->tos;  in ip_setup_cork()
1156 	cork->priority = ipc->priority;  in ip_setup_cork()
1157 	cork->transmit_time = ipc->sockc.transmit_time;  in ip_setup_cork()
1158 	cork->tx_flags = 0;  in ip_setup_cork()
1159 	sock_tx_timestamp(sk, ipc->sockc.tsflags, &cork->tx_flags);  in ip_setup_cork()
1189 		err = ip_setup_cork(sk, &inet->cork.base, ipc, rtp);  in ip_append_data()
1196 	return __ip_append_data(sk, fl4, &sk->sk_write_queue, &inet->cork.base,  in ip_append_data()
1208 	struct inet_cork *cork;  in ip_append_page()  local
1224 	cork = &inet->cork.base;  in ip_append_page()
1225 	rt = (struct rtable *)cork->dst;  in ip_append_page()
1226 	if (cork->flags & IPCORK_OPT)  in ip_append_page()
1227 		opt = cork->opt;  in ip_append_page()
1233 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in ip_append_page()
1239 	if (cork->length + size > maxnonfragsize - fragheaderlen) {  in ip_append_page()
1249 	cork->length += size;  in ip_append_page()
1326 	cork->length -= size;  in ip_append_page()
1331 static void ip_cork_release(struct inet_cork *cork)  in ip_cork_release()  argument
1333 	cork->flags &= ~IPCORK_OPT;  in ip_cork_release()
1334 	kfree(cork->opt);  in ip_cork_release()
1335 	cork->opt = NULL;  in ip_cork_release()
1336 	dst_release(cork->dst);  in ip_cork_release()
1337 	cork->dst = NULL;  in ip_cork_release()
1347 			      struct inet_cork *cork)  in __ip_make_skb()  argument
1354 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_make_skb()
1393 	if (cork->flags & IPCORK_OPT)  in __ip_make_skb()
1394 		opt = cork->opt;  in __ip_make_skb()
1396 	if (cork->ttl != 0)  in __ip_make_skb()
1397 		ttl = cork->ttl;  in __ip_make_skb()
1406 	iph->tos = (cork->tos != -1) ? cork->tos : inet->tos;  in __ip_make_skb()
1415 		ip_options_build(skb, opt, cork->addr, rt, 0);  in __ip_make_skb()
1418 	skb->priority = (cork->tos != -1) ? cork->priority: sk->sk_priority;  in __ip_make_skb()
1420 	skb->tstamp = cork->transmit_time;  in __ip_make_skb()
1425 	cork->dst = NULL;  in __ip_make_skb()
1432 	ip_cork_release(cork);  in __ip_make_skb()
1469 				      struct inet_cork *cork)  in __ip_flush_pending_frames()  argument
1476 	ip_cork_release(cork);  in __ip_flush_pending_frames()
1481 	__ip_flush_pending_frames(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);  in ip_flush_pending_frames()
1490 			    struct inet_cork *cork, unsigned int flags)  in ip_make_skb()  argument
1500 	cork->flags = 0;  in ip_make_skb()
1501 	cork->addr = 0;  in ip_make_skb()
1502 	cork->opt = NULL;  in ip_make_skb()
1503 	err = ip_setup_cork(sk, cork, ipc, rtp);  in ip_make_skb()
1507 	err = __ip_append_data(sk, fl4, &queue, cork,  in ip_make_skb()
1511 		__ip_flush_pending_frames(sk, &queue, cork);  in ip_make_skb()
1515 	return __ip_make_skb(sk, fl4, &queue, cork);  in ip_make_skb()