962 			    struct inet_cork *cork,  in __ip_append_data()  argument
973 	struct ip_options *opt = cork->opt;  in __ip_append_data()
982 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_append_data()
990 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in __ip_append_data()
991 	paged = !!cork->gso_size;  in __ip_append_data()
993 	if (cork->tx_flags & SKBTX_ANY_TSTAMP &&  in __ip_append_data()
1003 	if (cork->length + length > maxnonfragsize - fragheaderlen) {  in __ip_append_data()
1016 	    (!(flags & MSG_MORE) || cork->gso_size) &&  in __ip_append_data()
1034 	cork->length += length;  in __ip_append_data()
1156 			skb_shinfo(skb)->tx_flags = cork->tx_flags;  in __ip_append_data()
1157 			cork->tx_flags = 0;  in __ip_append_data()
1238 	cork->length -= length;  in __ip_append_data()
1244 static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,  in ip_setup_cork()  argument
1254 	cork->fragsize = ip_sk_use_pmtu(sk) ?  in ip_setup_cork()
1257 	if (!inetdev_valid_mtu(cork->fragsize))  in ip_setup_cork()
1265 		if (!cork->opt) {  in ip_setup_cork()
1266 			cork->opt = kmalloc(sizeof(struct ip_options) + 40,  in ip_setup_cork()
1268 			if (unlikely(!cork->opt))  in ip_setup_cork()
1271 		memcpy(cork->opt, &opt->opt, sizeof(struct ip_options) + opt->opt.optlen);  in ip_setup_cork()
1272 		cork->flags |= IPCORK_OPT;  in ip_setup_cork()
1273 		cork->addr = ipc->addr;  in ip_setup_cork()
1276 	cork->gso_size = ipc->gso_size;  in ip_setup_cork()
1278 	cork->dst = &rt->dst;  in ip_setup_cork()
1282 	cork->length = 0;  in ip_setup_cork()
1283 	cork->ttl = ipc->ttl;  in ip_setup_cork()
1284 	cork->tos = ipc->tos;  in ip_setup_cork()
1285 	cork->mark = ipc->sockc.mark;  in ip_setup_cork()
1286 	cork->priority = ipc->priority;  in ip_setup_cork()
1287 	cork->transmit_time = ipc->sockc.transmit_time;  in ip_setup_cork()
1288 	cork->tx_flags = 0;  in ip_setup_cork()
1289 	sock_tx_timestamp(sk, ipc->sockc.tsflags, &cork->tx_flags);  in ip_setup_cork()
1319 		err = ip_setup_cork(sk, &inet->cork.base, ipc, rtp);  in ip_append_data()
1326 	return __ip_append_data(sk, fl4, &sk->sk_write_queue, &inet->cork.base,  in ip_append_data()
1338 	struct inet_cork *cork;  in ip_append_page()  local
1354 	cork = &inet->cork.base;  in ip_append_page()
1355 	rt = (struct rtable *)cork->dst;  in ip_append_page()
1356 	if (cork->flags & IPCORK_OPT)  in ip_append_page()
1357 		opt = cork->opt;  in ip_append_page()
1363 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in ip_append_page()
1369 	if (cork->length + size > maxnonfragsize - fragheaderlen) {  in ip_append_page()
1379 	cork->length += size;  in ip_append_page()
1456 	cork->length -= size;  in ip_append_page()
1461 static void ip_cork_release(struct inet_cork *cork)  in ip_cork_release()  argument
1463 	cork->flags &= ~IPCORK_OPT;  in ip_cork_release()
1464 	kfree(cork->opt);  in ip_cork_release()
1465 	cork->opt = NULL;  in ip_cork_release()
1466 	dst_release(cork->dst);  in ip_cork_release()
1467 	cork->dst = NULL;  in ip_cork_release()
1477 			      struct inet_cork *cork)  in __ip_make_skb()  argument
1484 	struct rtable *rt = (struct rtable *)cork->dst;  in __ip_make_skb()
1523 	if (cork->flags & IPCORK_OPT)  in __ip_make_skb()
1524 		opt = cork->opt;  in __ip_make_skb()
1526 	if (cork->ttl != 0)  in __ip_make_skb()
1527 		ttl = cork->ttl;  in __ip_make_skb()
1536 	iph->tos = (cork->tos != -1) ? cork->tos : inet->tos;  in __ip_make_skb()
1545 		ip_options_build(skb, opt, cork->addr, rt, 0);  in __ip_make_skb()
1548 	skb->priority = (cork->tos != -1) ? cork->priority: sk->sk_priority;  in __ip_make_skb()
1549 	skb->mark = cork->mark;  in __ip_make_skb()
1550 	skb->tstamp = cork->transmit_time;  in __ip_make_skb()
1555 	cork->dst = NULL;  in __ip_make_skb()
1572 	ip_cork_release(cork);  in __ip_make_skb()
1609 				      struct inet_cork *cork)  in __ip_flush_pending_frames()  argument
1616 	ip_cork_release(cork);  in __ip_flush_pending_frames()
1621 	__ip_flush_pending_frames(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);  in ip_flush_pending_frames()
1630 			    struct inet_cork *cork, unsigned int flags)  in ip_make_skb()  argument
1640 	cork->flags = 0;  in ip_make_skb()
1641 	cork->addr = 0;  in ip_make_skb()
1642 	cork->opt = NULL;  in ip_make_skb()
1643 	err = ip_setup_cork(sk, cork, ipc, rtp);  in ip_make_skb()
1647 	err = __ip_append_data(sk, fl4, &queue, cork,  in ip_make_skb()
1651 		__ip_flush_pending_frames(sk, &queue, cork);  in ip_make_skb()
1655 	return __ip_make_skb(sk, fl4, &queue, cork);  in ip_make_skb()