gas_serv.h revision 1846323989242844f0e857458a8939fa5836429c 
1/*
2 * Generic advertisement service (GAS) server
3 * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef GAS_SERV_H
10#define GAS_SERV_H
11
12#define ANQP_REQ_CAPABILITY_LIST \
13	(1 << (ANQP_CAPABILITY_LIST - ANQP_QUERY_LIST))
14#define ANQP_REQ_VENUE_NAME \
15	(1 << (ANQP_VENUE_NAME - ANQP_QUERY_LIST))
16#define ANQP_REQ_NETWORK_AUTH_TYPE \
17	(1 << (ANQP_NETWORK_AUTH_TYPE - ANQP_QUERY_LIST))
18#define ANQP_REQ_ROAMING_CONSORTIUM \
19	(1 << (ANQP_ROAMING_CONSORTIUM - ANQP_QUERY_LIST))
20#define ANQP_REQ_IP_ADDR_TYPE_AVAILABILITY \
21	(1 << (ANQP_IP_ADDR_TYPE_AVAILABILITY - ANQP_QUERY_LIST))
22#define ANQP_REQ_NAI_REALM \
23	(1 << (ANQP_NAI_REALM - ANQP_QUERY_LIST))
24#define ANQP_REQ_3GPP_CELLULAR_NETWORK \
25	(1 << (ANQP_3GPP_CELLULAR_NETWORK - ANQP_QUERY_LIST))
26#define ANQP_REQ_DOMAIN_NAME \
27	(1 << (ANQP_DOMAIN_NAME - ANQP_QUERY_LIST))
28#define ANQP_REQ_HS_CAPABILITY_LIST \
29	(0x10000 << HS20_STYPE_CAPABILITY_LIST)
30#define ANQP_REQ_OPERATOR_FRIENDLY_NAME \
31	(0x10000 << HS20_STYPE_OPERATOR_FRIENDLY_NAME)
32#define ANQP_REQ_WAN_METRICS \
33	(0x10000 << HS20_STYPE_WAN_METRICS)
34#define ANQP_REQ_CONNECTION_CAPABILITY \
35	(0x10000 << HS20_STYPE_CONNECTION_CAPABILITY)
36#define ANQP_REQ_NAI_HOME_REALM \
37	(0x10000 << HS20_STYPE_NAI_HOME_REALM_QUERY)
38#define ANQP_REQ_OPERATING_CLASS \
39	(0x10000 << HS20_STYPE_OPERATING_CLASS)
40
41/* To account for latencies between hostapd and external ANQP processor */
42#define GAS_SERV_COMEBACK_DELAY_FUDGE 10
43#define GAS_SERV_MIN_COMEBACK_DELAY 100 /* in TU */
44
45struct gas_dialog_info {
46	u8 valid;
47	u8 index;
48	struct wpabuf *sd_resp; /* Fragmented response */
49	u8 dialog_token;
50	size_t sd_resp_pos; /* Offset in sd_resp */
51	u8 sd_frag_id;
52	u16 comeback_delay;
53	int prot; /* whether Protected Dual of Public Action frame is used */
54
55	unsigned int requested;
56	unsigned int received;
57	unsigned int all_requested;
58};
59
60struct hostapd_data;
61
62void gas_serv_tx_gas_response(struct hostapd_data *hapd, const u8 *dst,
63			      struct gas_dialog_info *dialog);
64struct gas_dialog_info *
65gas_serv_dialog_find(struct hostapd_data *hapd, const u8 *addr,
66		     u8 dialog_token);
67void gas_serv_dialog_clear(struct gas_dialog_info *dialog);
68
69int gas_serv_init(struct hostapd_data *hapd);
70void gas_serv_deinit(struct hostapd_data *hapd);
71
72#endif /* GAS_SERV_H */
73