1222 static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,  in udp_v6_send_skb()  argument
1238 	uh->source = fl6->fl6_sport;  in udp_v6_send_skb()
1239 	uh->dest = fl6->fl6_dport;  in udp_v6_send_skb()
1282 		udp6_hwcsum_outgoing(sk, skb, &fl6->saddr, &fl6->daddr, len);  in udp_v6_send_skb()
1288 	uh->check = csum_ipv6_magic(&fl6->saddr, &fl6->daddr,  in udp_v6_send_skb()
1289 				    len, fl6->flowi6_proto, csum);  in udp_v6_send_skb()
1341 	struct flowi6 *fl6 = &cork.fl.u.ip6;  in udpv6_sendmsg()  local
1433 	memset(fl6, 0, sizeof(*fl6));  in udpv6_sendmsg()
1439 		fl6->fl6_dport = sin6->sin6_port;  in udpv6_sendmsg()
1443 			fl6->flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;  in udpv6_sendmsg()
1444 			if (fl6->flowlabel & IPV6_FLOWLABEL_MASK) {  in udpv6_sendmsg()
1445 				flowlabel = fl6_sock_lookup(sk, fl6->flowlabel);  in udpv6_sendmsg()
1462 			fl6->flowi6_oif = sin6->sin6_scope_id;  in udpv6_sendmsg()
1467 		fl6->fl6_dport = inet->inet_dport;  in udpv6_sendmsg()
1469 		fl6->flowlabel = np->flow_label;  in udpv6_sendmsg()
1473 	if (!fl6->flowi6_oif)  in udpv6_sendmsg()
1474 		fl6->flowi6_oif = READ_ONCE(sk->sk_bound_dev_if);  in udpv6_sendmsg()
1476 	if (!fl6->flowi6_oif)  in udpv6_sendmsg()
1477 		fl6->flowi6_oif = np->sticky_pktinfo.ipi6_ifindex;  in udpv6_sendmsg()
1479 	fl6->flowi6_uid = sk->sk_uid;  in udpv6_sendmsg()
1489 			err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, fl6,  in udpv6_sendmsg()
1497 		if ((fl6->flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {  in udpv6_sendmsg()
1498 			flowlabel = fl6_sock_lookup(sk, fl6->flowlabel);  in udpv6_sendmsg()
1514 	fl6->flowi6_proto = sk->sk_protocol;  in udpv6_sendmsg()
1515 	fl6->flowi6_mark = ipc6.sockc.mark;  in udpv6_sendmsg()
1516 	fl6->daddr = *daddr;  in udpv6_sendmsg()
1517 	if (ipv6_addr_any(&fl6->saddr) && !ipv6_addr_any(&np->saddr))  in udpv6_sendmsg()
1518 		fl6->saddr = np->saddr;  in udpv6_sendmsg()
1519 	fl6->fl6_sport = inet->inet_sport;  in udpv6_sendmsg()
1525 					   &fl6->saddr);  in udpv6_sendmsg()
1541 			fl6->fl6_dport = sin6->sin6_port;  in udpv6_sendmsg()
1542 			fl6->daddr = sin6->sin6_addr;  in udpv6_sendmsg()
1546 	if (ipv6_addr_any(&fl6->daddr))  in udpv6_sendmsg()
1547 		fl6->daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */  in udpv6_sendmsg()
1549 	final_p = fl6_update_dst(fl6, opt, &final);  in udpv6_sendmsg()
1553 	if (!fl6->flowi6_oif && ipv6_addr_is_multicast(&fl6->daddr)) {  in udpv6_sendmsg()
1554 		fl6->flowi6_oif = READ_ONCE(np->mcast_oif);  in udpv6_sendmsg()
1556 	} else if (!fl6->flowi6_oif)  in udpv6_sendmsg()
1557 		fl6->flowi6_oif = READ_ONCE(np->ucast_oif);  in udpv6_sendmsg()
1559 	security_sk_classify_flow(sk, flowi6_to_flowi_common(fl6));  in udpv6_sendmsg()
1564 	fl6->flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6->flowlabel);  in udpv6_sendmsg()
1566 	dst = ip6_sk_dst_lookup_flow(sk, fl6, final_p, connected);  in udpv6_sendmsg()
1574 		ipc6.hlimit = ip6_sk_dst_hoplimit(np, fl6, dst);  in udpv6_sendmsg()
1590 			err = udp_v6_send_skb(skb, fl6, &cork.base);  in udpv6_sendmsg()
1613 			      &ipc6, fl6, dst_rt6_info(dst),  in udpv6_sendmsg()
1648 		dst_confirm_neigh(dst, &fl6->daddr);  in udpv6_sendmsg()