953 			    struct inet_cork *cork,  in __ip_append_data()  argument
963 	struct ip_options *opt = cork->opt;  in __ip_append_data()
973 	struct rtable *rt = dst_rtable(cork->dst);  in __ip_append_data()
981 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in __ip_append_data()
982 	paged = !!cork->gso_size;  in __ip_append_data()
990 	if (cork->length + length > maxnonfragsize - fragheaderlen) {  in __ip_append_data()
1003 	    (!(flags & MSG_MORE) || cork->gso_size) &&  in __ip_append_data()
1049 	cork->length += length;  in __ip_append_data()
1051 	if (cork->tx_flags & SKBTX_ANY_TSTAMP &&  in __ip_append_data()
1053 		if (cork->flags & IPCORK_TS_OPT_ID) {  in __ip_append_data()
1054 			tskey = cork->ts_opt_id;  in __ip_append_data()
1189 			skb_shinfo(skb)->tx_flags = cork->tx_flags;  in __ip_append_data()
1190 			cork->tx_flags = 0;  in __ip_append_data()
1284 	cork->length -= length;  in __ip_append_data()
1292 static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,  in ip_setup_cork()  argument
1302 	cork->fragsize = ip_sk_use_pmtu(sk) ?  in ip_setup_cork()
1305 	if (!inetdev_valid_mtu(cork->fragsize))  in ip_setup_cork()
1313 		if (!cork->opt) {  in ip_setup_cork()
1314 			cork->opt = kmalloc(sizeof(struct ip_options) + 40,  in ip_setup_cork()
1316 			if (unlikely(!cork->opt))  in ip_setup_cork()
1319 		memcpy(cork->opt, &opt->opt, sizeof(struct ip_options) + opt->opt.optlen);  in ip_setup_cork()
1320 		cork->flags |= IPCORK_OPT;  in ip_setup_cork()
1321 		cork->addr = ipc->addr;  in ip_setup_cork()
1324 	cork->gso_size = ipc->gso_size;  in ip_setup_cork()
1326 	cork->dst = &rt->dst;  in ip_setup_cork()
1330 	cork->length = 0;  in ip_setup_cork()
1331 	cork->ttl = ipc->ttl;  in ip_setup_cork()
1332 	cork->tos = ipc->tos;  in ip_setup_cork()
1333 	cork->mark = ipc->sockc.mark;  in ip_setup_cork()
1334 	cork->priority = ipc->sockc.priority;  in ip_setup_cork()
1335 	cork->transmit_time = ipc->sockc.transmit_time;  in ip_setup_cork()
1336 	cork->tx_flags = 0;  in ip_setup_cork()
1337 	sock_tx_timestamp(sk, &ipc->sockc, &cork->tx_flags);  in ip_setup_cork()
1339 		cork->flags |= IPCORK_TS_OPT_ID;  in ip_setup_cork()
1340 		cork->ts_opt_id = ipc->sockc.ts_opt_id;  in ip_setup_cork()
1371 		err = ip_setup_cork(sk, &inet->cork.base, ipc, rtp);  in ip_append_data()
1378 	return __ip_append_data(sk, fl4, &sk->sk_write_queue, &inet->cork.base,  in ip_append_data()
1383 static void ip_cork_release(struct inet_cork *cork)  in ip_cork_release()  argument
1385 	cork->flags &= ~IPCORK_OPT;  in ip_cork_release()
1386 	kfree(cork->opt);  in ip_cork_release()
1387 	cork->opt = NULL;  in ip_cork_release()
1388 	dst_release(cork->dst);  in ip_cork_release()
1389 	cork->dst = NULL;  in ip_cork_release()
1399 			      struct inet_cork *cork)  in __ip_make_skb()  argument
1406 	struct rtable *rt = dst_rtable(cork->dst);  in __ip_make_skb()
1446 	if (cork->flags & IPCORK_OPT)  in __ip_make_skb()
1447 		opt = cork->opt;  in __ip_make_skb()
1449 	if (cork->ttl != 0)  in __ip_make_skb()
1450 		ttl = cork->ttl;  in __ip_make_skb()
1459 	iph->tos = (cork->tos != -1) ? cork->tos : READ_ONCE(inet->tos);  in __ip_make_skb()
1468 		ip_options_build(skb, opt, cork->addr, rt);  in __ip_make_skb()
1471 	skb->priority = cork->priority;  in __ip_make_skb()
1472 	skb->mark = cork->mark;  in __ip_make_skb()
1474 		skb_set_delivery_time(skb, cork->transmit_time, SKB_CLOCK_MONOTONIC);  in __ip_make_skb()
1476 		skb_set_delivery_type_by_clockid(skb, cork->transmit_time, sk->sk_clockid);  in __ip_make_skb()
1481 	cork->dst = NULL;  in __ip_make_skb()
1499 	ip_cork_release(cork);  in __ip_make_skb()
1536 				      struct inet_cork *cork)  in __ip_flush_pending_frames()  argument
1543 	ip_cork_release(cork);  in __ip_flush_pending_frames()
1548 	__ip_flush_pending_frames(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);  in ip_flush_pending_frames()
1557 			    struct inet_cork *cork, unsigned int flags)  in ip_make_skb()  argument
1567 	cork->flags = 0;  in ip_make_skb()
1568 	cork->addr = 0;  in ip_make_skb()
1569 	cork->opt = NULL;  in ip_make_skb()
1570 	err = ip_setup_cork(sk, cork, ipc, rtp);  in ip_make_skb()
1574 	err = __ip_append_data(sk, fl4, &queue, cork,  in ip_make_skb()
1578 		__ip_flush_pending_frames(sk, &queue, cork);  in ip_make_skb()
1582 	return __ip_make_skb(sk, fl4, &queue, cork);  in ip_make_skb()