18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.11 Common routines 3a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * Copyright (c) 2002-2012, 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 *ds_params; 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *challenge; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *erp_info; 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ext_supp_rates; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie; 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *rsn_ie; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm; /* WMM Information or Parameter Element */ 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm_tspec; 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wps_ie; 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *supp_channels; 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ftie; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *timeout_int; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_capabilities; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_operation; 3161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *vht_capabilities; 3261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *vht_operation; 33bd14a57187b024f49f5b9ace55ef457d8d04650aDmitry Shmidt const u8 *vht_opmode_notif; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *vendor_ht_cap; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p; 3661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *wfd; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *link_id; 381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *interworking; 39051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt const u8 *qos_map_set; 4004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *hs20; 4104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *ext_capab; 4204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *bss_max_idle_period; 43a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid_list; 44f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt const u8 *osen; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ssid_len; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supp_rates_len; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ds_params_len; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 challenge_len; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 erp_info_len; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ext_supp_rates_len; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wpa_ie_len; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rsn_ie_len; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_tspec_len; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wps_ie_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; 6361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 vht_capabilities_len; 6461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 vht_operation_len; 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 vendor_ht_cap_len; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_len; 6761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 wfd_len; 681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 interworking_len; 69051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt u8 qos_map_set_len; 7004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hs20_len; 7104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 ext_capab_len; 72a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 ssid_list_len; 73f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 osen_len; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtParseRes ieee802_11_parse_elems(const u8 *start, size_t len, 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems *elems, 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int show_errors); 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_11_ie_count(const u8 *ies, size_t ies_len); 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 oui_type); 841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstruct ieee80211_hdr; 851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtconst u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstruct hostapd_wmm_ac_params { 8861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int cwmin; 8961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int cwmax; 9061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int aifs; 9161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int txop_limit; /* in units of 32us */ 9261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int admission_control_mandatory; 9361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt}; 9461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[], 9661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const char *name, const char *val); 974b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtenum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel); 9861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidtint supp_rates_11b_only(struct ieee802_11_elems *elems); 10034af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt 1012271d3fdd5982d0e5e81cf9999a861bba933eacbDmitry Shmidtconst char * fc2str(u16 fc); 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* IEEE802_11_COMMON_H */ 103