wpa_supplicant/gas_query.h

   1 /*
   2  * Generic advertisement service (GAS) query
   3  * Copyright (c) 2009, Atheros Communications
   4  * Copyright (c) 2011, Qualcomm Atheros
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Alternatively, this software may be distributed under the terms of BSD
  11  * license.
  12  *
  13  * See README and COPYING for more details.
  14  */
  15
  16 #ifndef GAS_QUERY_H
  17 #define GAS_QUERY_H
  18
  19 struct gas_query;
  20
  21 #ifdef CONFIG_GAS
  22
  23 struct gas_query * gas_query_init(struct wpa_supplicant *wpa_s);
  24 void gas_query_deinit(struct gas_query *gas);
  25 int gas_query_rx(struct gas_query *gas, const u8 *da, const u8 *sa,
  26                  const u8 *bssid, const u8 *data, size_t len, int freq);
  27
  28 enum gas_query_result {
  29         GAS_QUERY_SUCCESS,
  30         GAS_QUERY_FAILURE,
  31         GAS_QUERY_TIMEOUT,
  32         GAS_QUERY_PEER_ERROR,
  33         GAS_QUERY_INTERNAL_ERROR,
  34         GAS_QUERY_CANCELLED,
  35         GAS_QUERY_DELETED_AT_DEINIT
  36 };
  37
  38 int gas_query_req(struct gas_query *gas, const u8 *dst, int freq,
  39                   struct wpabuf *req,
  40                   void (*cb)(void *ctx, const u8 *dst, u8 dialog_token,
  41                              enum gas_query_result result,
  42                              const struct wpabuf *adv_proto,
  43                              const struct wpabuf *resp, u16 status_code),
  44                   void *ctx);
  45 void gas_query_cancel(struct gas_query *gas, const u8 *dst, u8 dialog_token);
  46
  47 #else /* CONFIG_GAS */
  48
  49 static inline struct gas_query * gas_query_init(struct wpa_supplicant *wpa_s)
  50 {
  51         return (void *) 1;
  52 }
  53
  54 static inline void gas_query_deinit(struct gas_query *gas)
  55 {
  56 }
  57
  58 #endif /* CONFIG_GAS */
  59
  60
  61 #endif /* GAS_QUERY_H */