ieee802_11_common.h revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.11 Common routines 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef IEEE802_11_COMMON_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE802_11_COMMON_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Parsed Information Elements */ 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ieee802_11_elems { 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ssid; 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *supp_rates; 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *fh_params; 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ds_params; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *cf_params; 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *tim; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ibss_params; 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *challenge; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *erp_info; 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ext_supp_rates; 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie; 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *rsn_ie; 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm; /* WMM Information or Parameter Element */ 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm_tspec; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wps_ie; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *power_cap; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *supp_channels; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie; 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ftie; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *timeout_int; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_capabilities; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_operation; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *vendor_ht_cap; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p; 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *link_id; 391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *interworking; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ssid_len; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supp_rates_len; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 fh_params_len; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ds_params_len; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 cf_params_len; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 tim_len; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ibss_params_len; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 challenge_len; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 erp_info_len; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ext_supp_rates_len; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wpa_ie_len; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rsn_ie_len; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_tspec_len; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wps_ie_len; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 power_cap_len; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supp_channels_len; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mdie_len; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ftie_len; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 timeout_int_len; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ht_capabilities_len; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ht_operation_len; 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 vendor_ht_cap_len; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_len; 651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 interworking_len; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtParseRes ieee802_11_parse_elems(const u8 *start, size_t len, 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems *elems, 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int show_errors); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_11_ie_count(const u8 *ies, size_t ies_len); 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 oui_type); 761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstruct ieee80211_hdr; 771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtconst u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* IEEE802_11_COMMON_H */ 80