527 	struct flowi6 fl6;  in l2tp_ip6_sendmsg()  local
545 	memset(&fl6, 0, sizeof(fl6));  in l2tp_ip6_sendmsg()
547 	fl6.flowi6_mark = READ_ONCE(sk->sk_mark);  in l2tp_ip6_sendmsg()
548 	fl6.flowi6_uid = sk->sk_uid;  in l2tp_ip6_sendmsg()
561 			fl6.flowlabel = lsa->l2tp_flowinfo & IPV6_FLOWINFO_MASK;  in l2tp_ip6_sendmsg()
562 			if (fl6.flowlabel & IPV6_FLOWLABEL_MASK) {  in l2tp_ip6_sendmsg()
563 				flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);  in l2tp_ip6_sendmsg()
579 			fl6.flowi6_oif = lsa->l2tp_scope_id;  in l2tp_ip6_sendmsg()
585 		fl6.flowlabel = np->flow_label;  in l2tp_ip6_sendmsg()
588 	if (fl6.flowi6_oif == 0)  in l2tp_ip6_sendmsg()
589 		fl6.flowi6_oif = READ_ONCE(sk->sk_bound_dev_if);  in l2tp_ip6_sendmsg()
597 		err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, &ipc6);  in l2tp_ip6_sendmsg()
602 		if ((fl6.flowlabel & IPV6_FLOWLABEL_MASK) && !flowlabel) {  in l2tp_ip6_sendmsg()
603 			flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);  in l2tp_ip6_sendmsg()
620 	fl6.flowi6_proto = sk->sk_protocol;  in l2tp_ip6_sendmsg()
622 		fl6.daddr = *daddr;  in l2tp_ip6_sendmsg()
624 		fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */  in l2tp_ip6_sendmsg()
625 	if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))  in l2tp_ip6_sendmsg()
626 		fl6.saddr = np->saddr;  in l2tp_ip6_sendmsg()
628 	final_p = fl6_update_dst(&fl6, opt, &final);  in l2tp_ip6_sendmsg()
630 	if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))  in l2tp_ip6_sendmsg()
631 		fl6.flowi6_oif = READ_ONCE(np->mcast_oif);  in l2tp_ip6_sendmsg()
632 	else if (!fl6.flowi6_oif)  in l2tp_ip6_sendmsg()
633 		fl6.flowi6_oif = READ_ONCE(np->ucast_oif);  in l2tp_ip6_sendmsg()
635 	security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6));  in l2tp_ip6_sendmsg()
640 	fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);  in l2tp_ip6_sendmsg()
642 	dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);  in l2tp_ip6_sendmsg()
649 		ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);  in l2tp_ip6_sendmsg()
662 			      &fl6, dst_rt6_info(dst),  in l2tp_ip6_sendmsg()
679 		dst_confirm_neigh(dst, &fl6.daddr);  in l2tp_ip6_sendmsg()