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 1257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt#include "defs.h" 1357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 14d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#define MAX_NOF_MB_IES_SUPPORTED 5 15d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 16d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstruct mb_ies_info { 17d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct { 18d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt const u8 *ie; 19d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u8 ie_len; 20d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } ies[MAX_NOF_MB_IES_SUPPORTED]; 21d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u8 nof_ies; 22d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt}; 23d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Parsed Information Elements */ 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ieee802_11_elems { 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ssid; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *supp_rates; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ds_params; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *challenge; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *erp_info; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ext_supp_rates; 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *rsn_ie; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm; /* WMM Information or Parameter Element */ 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wmm_tspec; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wps_ie; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *supp_channels; 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ftie; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *timeout_int; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_capabilities; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ht_operation; 436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *mesh_config; 446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *mesh_id; 456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *peer_mgmt; 4661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *vht_capabilities; 4761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *vht_operation; 48bd14a57187b024f49f5b9ace55ef457d8d04650aDmitry Shmidt const u8 *vht_opmode_notif; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *vendor_ht_cap; 502f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt const u8 *vendor_vht; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p; 5261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *wfd; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *link_id; 541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *interworking; 55051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt const u8 *qos_map_set; 5604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *hs20; 5704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *ext_capab; 5804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *bss_max_idle_period; 59a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid_list; 60f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt const u8 *osen; 6157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt const u8 *mbo; 626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *ampe; 636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *mic; 64d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt const u8 *pref_freq_list; 659c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt const u8 *supp_op_classes; 66849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt const u8 *rrm_enabled; 679839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *cag_number; 689839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *ap_csn; 699839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_indic; 709839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *dils; 719839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *assoc_delay_info; 729839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_req_params; 739839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_key_confirm; 749839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_session; 759839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_hlp; 769839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_ip_addr_assign; 779839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *key_delivery; 789839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_wrapped_data; 799839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_pk; 809839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt const u8 *fils_nonce; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ssid_len; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supp_rates_len; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 challenge_len; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ext_supp_rates_len; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wpa_ie_len; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rsn_ie_len; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wmm_tspec_len; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 wps_ie_len; 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supp_channels_len; 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mdie_len; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ftie_len; 946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 mesh_config_len; 956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 mesh_id_len; 966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 peer_mgmt_len; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 vendor_ht_cap_len; 982f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt u8 vendor_vht_len; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_len; 10061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 wfd_len; 1011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 interworking_len; 102051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt u8 qos_map_set_len; 10304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hs20_len; 10404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 ext_capab_len; 105a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 ssid_list_len; 106f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 osen_len; 10757c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 mbo_len; 1086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 ampe_len; 1096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 mic_len; 110d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u8 pref_freq_list_len; 1119c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt u8 supp_op_classes_len; 112849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt u8 rrm_enabled_len; 1139839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 cag_number_len; 1149839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_indic_len; 1159839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 dils_len; 1169839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_req_params_len; 1179839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_key_confirm_len; 1189839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_hlp_len; 1199839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_ip_addr_assign_len; 1209839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 key_delivery_len; 1219839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_wrapped_data_len; 1229839ecd75c832023d4d13fd2917a8c28261ff668Dmitry Shmidt u8 fils_pk_len; 1239c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 124d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct mb_ies_info mb_ies; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidttypedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtParseRes ieee802_11_parse_elems(const u8 *start, size_t len, 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems *elems, 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int show_errors); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_11_ie_count(const u8 *ies, size_t ies_len); 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 oui_type); 1351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstruct ieee80211_hdr; 1361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtconst u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstruct hostapd_wmm_ac_params { 13961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int cwmin; 14061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int cwmax; 14161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int aifs; 14261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int txop_limit; /* in units of 32us */ 14361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int admission_control_mandatory; 14461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt}; 14561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[], 14761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const char *name, const char *val); 1484b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtenum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel); 1496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan); 150d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtenum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq, 151d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt int sec_channel, int vht, 152d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u8 *op_class, u8 *channel); 153203eadb9eda41a1dde4a583edb4684319e3f399eDmitry Shmidtint ieee80211_is_dfs(int freq); 15457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtenum phy_type ieee80211_get_phy_type(int freq, int ht, int vht); 15561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 15634af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidtint supp_rates_11b_only(struct ieee802_11_elems *elems); 157d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtint mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf, 158d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt size_t ies_len); 159d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstruct wpabuf * mb_ies_by_info(struct mb_ies_info *info); 16034af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt 1612271d3fdd5982d0e5e81cf9999a861bba933eacbDmitry Shmidtconst char * fc2str(u16 fc); 16257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 16357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtstruct oper_class_map { 16457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt enum hostapd_hw_mode mode; 16557c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 op_class; 16657c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 min_chan; 16757c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 max_chan; 16857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 inc; 16957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt enum { BW20, BW40PLUS, BW40MINUS, BW80, BW2160, BW160, BW80P80 } bw; 17057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt enum { P2P_SUPP, NO_P2P_SUPP } p2p; 17157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt}; 17257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 17357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtextern const struct oper_class_map global_op_class[]; 17457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtextern size_t global_op_class_size; 17557c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 17657c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtconst u8 * get_ie(const u8 *ies, size_t len, u8 eid); 17757c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 17857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtsize_t mbo_add_ie(u8 *buf, size_t len, const u8 *attr, size_t attr_len); 17957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 180293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidtstruct country_op_class { 181293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt u8 country_op_class; 182293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt u8 global_op_class; 183293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt}; 184293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt 185293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidtu8 country_to_global_op_class(const char *country, u8 op_class); 186293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt 187293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidtconst struct oper_class_map * get_oper_class(const char *country, u8 op_class); 188293335998d38c497293b1c41f7ad8342b507d458Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* IEEE802_11_COMMON_H */ 190