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1 /*
2  * Generic advertisement service (GAS) (IEEE 802.11u)
3  * Copyright (c) 2009, Atheros Communications
4  * Copyright (c) 2011-2012, Qualcomm Atheros
5  *
6  * This software may be distributed under the terms of the BSD license.
7  * See README for more details.
8  */
9 
10 #ifndef GAS_H
11 #define GAS_H
12 
13 struct wpabuf * gas_build_initial_req(u8 dialog_token, size_t size);
14 struct wpabuf * gas_build_comeback_req(u8 dialog_token);
15 struct wpabuf * gas_build_initial_resp(u8 dialog_token, u16 status_code,
16 				       u16 comeback_delay, size_t size);
17 struct wpabuf * gas_anqp_build_initial_req(u8 dialog_token, size_t size);
18 struct wpabuf * gas_anqp_build_initial_resp(u8 dialog_token, u16 status_code,
19 					    u16 comeback_delay, size_t size);
20 struct wpabuf * gas_anqp_build_initial_resp_buf(u8 dialog_token,
21 						u16 status_code,
22 						u16 comeback_delay,
23 						struct wpabuf *payload);
24 struct wpabuf * gas_anqp_build_comeback_resp(u8 dialog_token, u16 status_code,
25 					     u8 frag_id, u8 more,
26 					     u16 comeback_delay, size_t size);
27 struct wpabuf * gas_anqp_build_comeback_resp_buf(u8 dialog_token,
28 						 u16 status_code,
29 						 u8 frag_id, u8 more,
30 						 u16 comeback_delay,
31 						 struct wpabuf *payload);
32 void gas_anqp_set_len(struct wpabuf *buf);
33 
34 u8 * gas_anqp_add_element(struct wpabuf *buf, u16 info_id);
35 void gas_anqp_set_element_len(struct wpabuf *buf, u8 *len_pos);
36 
37 #endif /* GAS_H */
38