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/*
 * Generic advertisement service (GAS) (IEEE 802.11u)
 * Copyright (c) 2009, Atheros Communications
 * Copyright (c) 2011-2012, Qualcomm Atheros
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef GAS_H
#define GAS_H

struct wpabuf * gas_build_initial_req(u8 dialog_token, size_t size);
struct wpabuf * gas_build_comeback_req(u8 dialog_token);
struct wpabuf * gas_build_initial_resp(u8 dialog_token, u16 status_code,
				       u16 comeback_delay, size_t size);
struct wpabuf * gas_anqp_build_initial_req(u8 dialog_token, size_t size);
struct wpabuf * gas_anqp_build_initial_resp(u8 dialog_token, u16 status_code,
					    u16 comeback_delay, size_t size);
struct wpabuf * gas_anqp_build_initial_resp_buf(u8 dialog_token,
						u16 status_code,
						u16 comeback_delay,
						struct wpabuf *payload);
struct wpabuf * gas_anqp_build_comeback_resp(u8 dialog_token, u16 status_code,
					     u8 frag_id, u8 more,
					     u16 comeback_delay, size_t size);
struct wpabuf * gas_anqp_build_comeback_resp_buf(u8 dialog_token,
						 u16 status_code,
						 u8 frag_id, u8 more,
						 u16 comeback_delay,
						 struct wpabuf *payload);
void gas_anqp_set_len(struct wpabuf *buf);

u8 * gas_anqp_add_element(struct wpabuf *buf, u16 info_id);
void gas_anqp_set_element_len(struct wpabuf *buf, u8 *len_pos);

#endif /* GAS_H */