1 /* 2 * IEEE 802.11 Common routines 3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef IEEE802_11_COMMON_H 16 #define IEEE802_11_COMMON_H 17 18 /* Parsed Information Elements */ 19 struct ieee802_11_elems { 20 const u8 *ssid; 21 const u8 *supp_rates; 22 const u8 *fh_params; 23 const u8 *ds_params; 24 const u8 *cf_params; 25 const u8 *tim; 26 const u8 *ibss_params; 27 const u8 *challenge; 28 const u8 *erp_info; 29 const u8 *ext_supp_rates; 30 const u8 *wpa_ie; 31 const u8 *rsn_ie; 32 const u8 *wmm; /* WMM Information or Parameter Element */ 33 const u8 *wmm_tspec; 34 const u8 *wps_ie; 35 const u8 *power_cap; 36 const u8 *supp_channels; 37 const u8 *mdie; 38 const u8 *ftie; 39 const u8 *timeout_int; 40 const u8 *ht_capabilities; 41 const u8 *ht_operation; 42 const u8 *vendor_ht_cap; 43 const u8 *p2p; 44 const u8 *link_id; 45 const u8 *interworking; 46 47 u8 ssid_len; 48 u8 supp_rates_len; 49 u8 fh_params_len; 50 u8 ds_params_len; 51 u8 cf_params_len; 52 u8 tim_len; 53 u8 ibss_params_len; 54 u8 challenge_len; 55 u8 erp_info_len; 56 u8 ext_supp_rates_len; 57 u8 wpa_ie_len; 58 u8 rsn_ie_len; 59 u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ 60 u8 wmm_tspec_len; 61 u8 wps_ie_len; 62 u8 power_cap_len; 63 u8 supp_channels_len; 64 u8 mdie_len; 65 u8 ftie_len; 66 u8 timeout_int_len; 67 u8 ht_capabilities_len; 68 u8 ht_operation_len; 69 u8 vendor_ht_cap_len; 70 u8 p2p_len; 71 u8 interworking_len; 72 }; 73 74 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; 75 76 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len, 77 struct ieee802_11_elems *elems, 78 int show_errors); 79 int ieee802_11_ie_count(const u8 *ies, size_t ies_len); 80 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, 81 u32 oui_type); 82 struct ieee80211_hdr; 83 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); 84 85 #endif /* IEEE802_11_COMMON_H */ 86