955 			    struct inet_cork *cork,  in __ip_append_data()  argument
965 	struct ip_options *opt = cork->opt;  in __ip_append_data()
975 	struct rtable *rt = dst_rtable(cork->dst);  in __ip_append_data()
983 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in __ip_append_data()
984 	paged = !!cork->gso_size;  in __ip_append_data()
992 	if (cork->length + length > maxnonfragsize - fragheaderlen) {  in __ip_append_data()
1005 	    (!(flags & MSG_MORE) || cork->gso_size) &&  in __ip_append_data()
1050 	cork->length += length;  in __ip_append_data()
1052 	hold_tskey = cork->tx_flags & SKBTX_ANY_TSTAMP &&  in __ip_append_data()
1182 			skb_shinfo(skb)->tx_flags = cork->tx_flags;  in __ip_append_data()
1183 			cork->tx_flags = 0;  in __ip_append_data()
1276 	cork->length -= length;  in __ip_append_data()
1284 static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,  in ip_setup_cork()  argument
1294 	cork->fragsize = ip_sk_use_pmtu(sk) ?  in ip_setup_cork()
1297 	if (!inetdev_valid_mtu(cork->fragsize))  in ip_setup_cork()
1305 		if (!cork->opt) {  in ip_setup_cork()
1306 			cork->opt = kmalloc(sizeof(struct ip_options) + 40,  in ip_setup_cork()
1308 			if (unlikely(!cork->opt))  in ip_setup_cork()
1311 		memcpy(cork->opt, &opt->opt, sizeof(struct ip_options) + opt->opt.optlen);  in ip_setup_cork()
1312 		cork->flags |= IPCORK_OPT;  in ip_setup_cork()
1313 		cork->addr = ipc->addr;  in ip_setup_cork()
1316 	cork->gso_size = ipc->gso_size;  in ip_setup_cork()
1318 	cork->dst = &rt->dst;  in ip_setup_cork()
1322 	cork->length = 0;  in ip_setup_cork()
1323 	cork->ttl = ipc->ttl;  in ip_setup_cork()
1324 	cork->tos = ipc->tos;  in ip_setup_cork()
1325 	cork->mark = ipc->sockc.mark;  in ip_setup_cork()
1326 	cork->priority = ipc->priority;  in ip_setup_cork()
1327 	cork->transmit_time = ipc->sockc.transmit_time;  in ip_setup_cork()
1328 	cork->tx_flags = 0;  in ip_setup_cork()
1329 	sock_tx_timestamp(sk, ipc->sockc.tsflags, &cork->tx_flags);  in ip_setup_cork()
1359 		err = ip_setup_cork(sk, &inet->cork.base, ipc, rtp);  in ip_append_data()
1366 	return __ip_append_data(sk, fl4, &sk->sk_write_queue, &inet->cork.base,  in ip_append_data()
1371 static void ip_cork_release(struct inet_cork *cork)  in ip_cork_release()  argument
1373 	cork->flags &= ~IPCORK_OPT;  in ip_cork_release()
1374 	kfree(cork->opt);  in ip_cork_release()
1375 	cork->opt = NULL;  in ip_cork_release()
1376 	dst_release(cork->dst);  in ip_cork_release()
1377 	cork->dst = NULL;  in ip_cork_release()
1387 			      struct inet_cork *cork)  in __ip_make_skb()  argument
1394 	struct rtable *rt = dst_rtable(cork->dst);  in __ip_make_skb()
1434 	if (cork->flags & IPCORK_OPT)  in __ip_make_skb()
1435 		opt = cork->opt;  in __ip_make_skb()
1437 	if (cork->ttl != 0)  in __ip_make_skb()
1438 		ttl = cork->ttl;  in __ip_make_skb()
1447 	iph->tos = (cork->tos != -1) ? cork->tos : READ_ONCE(inet->tos);  in __ip_make_skb()
1456 		ip_options_build(skb, opt, cork->addr, rt);  in __ip_make_skb()
1459 	skb->priority = (cork->tos != -1) ? cork->priority: READ_ONCE(sk->sk_priority);  in __ip_make_skb()
1460 	skb->mark = cork->mark;  in __ip_make_skb()
1462 		skb_set_delivery_time(skb, cork->transmit_time, SKB_CLOCK_MONOTONIC);  in __ip_make_skb()
1464 		skb_set_delivery_type_by_clockid(skb, cork->transmit_time, sk->sk_clockid);  in __ip_make_skb()
1469 	cork->dst = NULL;  in __ip_make_skb()
1487 	ip_cork_release(cork);  in __ip_make_skb()
1524 				      struct inet_cork *cork)  in __ip_flush_pending_frames()  argument
1531 	ip_cork_release(cork);  in __ip_flush_pending_frames()
1536 	__ip_flush_pending_frames(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);  in ip_flush_pending_frames()
1545 			    struct inet_cork *cork, unsigned int flags)  in ip_make_skb()  argument
1555 	cork->flags = 0;  in ip_make_skb()
1556 	cork->addr = 0;  in ip_make_skb()
1557 	cork->opt = NULL;  in ip_make_skb()
1558 	err = ip_setup_cork(sk, cork, ipc, rtp);  in ip_make_skb()
1562 	err = __ip_append_data(sk, fl4, &queue, cork,  in ip_make_skb()
1566 		__ip_flush_pending_frames(sk, &queue, cork);  in ip_make_skb()
1570 	return __ip_make_skb(sk, fl4, &queue, cork);  in ip_make_skb()