544 static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,  in rawv6_push_pending_frames()  argument
609 	csum = csum_ipv6_magic(&fl6->saddr, &fl6->daddr,  in rawv6_push_pending_frames()
610 			       total_len, fl6->flowi6_proto, tmp_csum);  in rawv6_push_pending_frames()
612 	if (csum == 0 && fl6->flowi6_proto == IPPROTO_UDP)  in rawv6_push_pending_frames()
624 			struct flowi6 *fl6, struct dst_entry **dstp,  in rawv6_send_hdrinc()  argument
637 		ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu);  in rawv6_send_hdrinc()
716 static int rawv6_probe_proto_opt(struct raw6_frag_vec *rfv, struct flowi6 *fl6)  in rawv6_probe_proto_opt()  argument
719 	switch (fl6->flowi6_proto) {  in rawv6_probe_proto_opt()
724 			fl6->fl6_icmp_type = rfv->c[0];  in rawv6_probe_proto_opt()
725 			fl6->fl6_icmp_code = rfv->c[1];  in rawv6_probe_proto_opt()
732 			fl6->fl6_mh_type = rfv->c[2];  in rawv6_probe_proto_opt()
781 	struct flowi6 fl6;  in rawv6_sendmsg()  local
809 	memset(&fl6, 0, sizeof(fl6));  in rawv6_sendmsg()
811 	fl6.flowi6_mark = sk->sk_mark;  in rawv6_sendmsg()
812 	fl6.flowi6_uid = sk->sk_uid;  in rawv6_sendmsg()
839 			fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;  in rawv6_sendmsg()
840 			if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {  in rawv6_sendmsg()
841 				flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);  in rawv6_sendmsg()
858 			fl6.flowi6_oif = sin6->sin6_scope_id;  in rawv6_sendmsg()
865 		fl6.flowlabel = np->flow_label;  in rawv6_sendmsg()
868 	if (fl6.flowi6_oif == 0)  in rawv6_sendmsg()
869 		fl6.flowi6_oif = sk->sk_bound_dev_if;  in rawv6_sendmsg()
878 		err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, &ipc6, &sockc);  in rawv6_sendmsg()
883 		if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {  in rawv6_sendmsg()
884 			flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);  in rawv6_sendmsg()
899 	fl6.flowi6_proto = proto;  in rawv6_sendmsg()
904 		err = rawv6_probe_proto_opt(&rfv, &fl6);  in rawv6_sendmsg()
910 		fl6.daddr = *daddr;  in rawv6_sendmsg()
912 		fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */  in rawv6_sendmsg()
913 	if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))  in rawv6_sendmsg()
914 		fl6.saddr = np->saddr;  in rawv6_sendmsg()
916 	final_p = fl6_update_dst(&fl6, opt, &final);  in rawv6_sendmsg()
918 	if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))  in rawv6_sendmsg()
919 		fl6.flowi6_oif = np->mcast_oif;  in rawv6_sendmsg()
920 	else if (!fl6.flowi6_oif)  in rawv6_sendmsg()
921 		fl6.flowi6_oif = np->ucast_oif;  in rawv6_sendmsg()
922 	security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));  in rawv6_sendmsg()
925 		fl6.flowi6_flags |= FLOWI_FLAG_KNOWN_NH;  in rawv6_sendmsg()
930 	fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);  in rawv6_sendmsg()
932 	dst = ip6_dst_lookup_flow(sk, &fl6, final_p);  in rawv6_sendmsg()
938 		ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);  in rawv6_sendmsg()
948 		err = rawv6_send_hdrinc(sk, msg, len, &fl6, &dst, msg->msg_flags);  in rawv6_sendmsg()
953 			len, 0, &ipc6, &fl6, (struct rt6_info *)dst,  in rawv6_sendmsg()
959 			err = rawv6_push_pending_frames(sk, &fl6, rp);  in rawv6_sendmsg()
970 		dst_confirm_neigh(dst, &fl6.daddr);  in rawv6_sendmsg()