57 static struct pppox_sock *lookup_chan(u16 call_id, __be32 s_addr)  in lookup_chan()  argument
63 	sock = rcu_dereference(callid_sock[call_id]);  in lookup_chan()
76 static int lookup_chan_dst(u16 call_id, __be32 d_addr)  in lookup_chan_dst()  argument
89 		if (opt->dst_addr.call_id == call_id &&  in lookup_chan_dst()
101 	static int call_id;  in add_chan()  local
104 	if (!sa->call_id)	{  in add_chan()
105 		call_id = find_next_zero_bit(callid_bitmap, MAX_CALLID, call_id + 1);  in add_chan()
106 		if (call_id == MAX_CALLID) {  in add_chan()
107 			call_id = find_next_zero_bit(callid_bitmap, MAX_CALLID, 1);  in add_chan()
108 			if (call_id == MAX_CALLID)  in add_chan()
111 		sa->call_id = call_id;  in add_chan()
112 	} else if (test_bit(sa->call_id, callid_bitmap)) {  in add_chan()
117 	set_bit(sa->call_id, callid_bitmap);  in add_chan()
118 	rcu_assign_pointer(callid_sock[sa->call_id], sock);  in add_chan()
131 	clear_bit(sock->proto.pptp.src_addr.call_id, callid_bitmap);  in del_chan()
132 	RCU_INIT_POINTER(callid_sock[sock->proto.pptp.src_addr.call_id], NULL);  in del_chan()
210 	hdr->call_id = htons(opt->dst_addr.call_id);  in pptp_xmit()
368 	po = lookup_chan(htons(header->call_id), iph->saddr);  in pptp_rcv()
429 	if (lookup_chan_dst(sp->sa_addr.pptp.call_id, sp->sa_addr.pptp.sin_addr.s_addr))  in pptp_connect()