wpa_supplicant_node: ieee802_11_common.h Source File

00001 /*
00002  * IEEE 802.11 Common routines
00003  * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License version 2 as
00007  * published by the Free Software Foundation.
00008  *
00009  * Alternatively, this software may be distributed under the terms of BSD
00010  * license.
00011  *
00012  * See README and COPYING for more details.
00013  */
00014 
00015 #ifndef IEEE802_11_COMMON_H
00016 #define IEEE802_11_COMMON_H
00017 
00018 /* Parsed Information Elements */
00019 struct ieee802_11_elems {
00020         const u8 *ssid;
00021         const u8 *supp_rates;
00022         const u8 *fh_params;
00023         const u8 *ds_params;
00024         const u8 *cf_params;
00025         const u8 *tim;
00026         const u8 *ibss_params;
00027         const u8 *challenge;
00028         const u8 *erp_info;
00029         const u8 *ext_supp_rates;
00030         const u8 *wpa_ie;
00031         const u8 *rsn_ie;
00032         const u8 *wmm; /* WMM Information or Parameter Element */
00033         const u8 *wmm_tspec;
00034         const u8 *wps_ie;
00035         const u8 *power_cap;
00036         const u8 *supp_channels;
00037         const u8 *mdie;
00038         const u8 *ftie;
00039         const u8 *timeout_int;
00040         const u8 *ht_capabilities;
00041         const u8 *ht_operation;
00042         const u8 *vendor_ht_cap;
00043 
00044         u8 ssid_len;
00045         u8 supp_rates_len;
00046         u8 fh_params_len;
00047         u8 ds_params_len;
00048         u8 cf_params_len;
00049         u8 tim_len;
00050         u8 ibss_params_len;
00051         u8 challenge_len;
00052         u8 erp_info_len;
00053         u8 ext_supp_rates_len;
00054         u8 wpa_ie_len;
00055         u8 rsn_ie_len;
00056         u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
00057         u8 wmm_tspec_len;
00058         u8 wps_ie_len;
00059         u8 power_cap_len;
00060         u8 supp_channels_len;
00061         u8 mdie_len;
00062         u8 ftie_len;
00063         u8 timeout_int_len;
00064         u8 ht_capabilities_len;
00065         u8 ht_operation_len;
00066         u8 vendor_ht_cap_len;
00067 };
00068 
00069 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
00070 
00071 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
00072                                 struct ieee802_11_elems *elems,
00073                                 int show_errors);
00074 int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
00075 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
00076                                             u32 oui_type);
00077 
00078 #endif /* IEEE802_11_COMMON_H */