1 /* 2 * IEEE 802.11 Common routines 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef IEEE802_11_COMMON_H 10 #define IEEE802_11_COMMON_H 11 12 /* Parsed Information Elements */ 13 struct ieee802_11_elems { 14 const u8 *ssid; 15 const u8 *supp_rates; 16 const u8 *ds_params; 17 const u8 *challenge; 18 const u8 *erp_info; 19 const u8 *ext_supp_rates; 20 const u8 *wpa_ie; 21 const u8 *rsn_ie; 22 const u8 *wmm; /* WMM Information or Parameter Element */ 23 const u8 *wmm_tspec; 24 const u8 *wps_ie; 25 const u8 *supp_channels; 26 const u8 *mdie; 27 const u8 *ftie; 28 const u8 *timeout_int; 29 const u8 *ht_capabilities; 30 const u8 *ht_operation; 31 const u8 *vht_capabilities; 32 const u8 *vht_operation; 33 const u8 *vendor_ht_cap; 34 const u8 *p2p; 35 const u8 *wfd; 36 const u8 *link_id; 37 const u8 *interworking; 38 const u8 *qos_map_set; 39 const u8 *hs20; 40 const u8 *ext_capab; 41 const u8 *bss_max_idle_period; 42 const u8 *ssid_list; 43 44 u8 ssid_len; 45 u8 supp_rates_len; 46 u8 ds_params_len; 47 u8 challenge_len; 48 u8 erp_info_len; 49 u8 ext_supp_rates_len; 50 u8 wpa_ie_len; 51 u8 rsn_ie_len; 52 u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ 53 u8 wmm_tspec_len; 54 u8 wps_ie_len; 55 u8 supp_channels_len; 56 u8 mdie_len; 57 u8 ftie_len; 58 u8 timeout_int_len; 59 u8 ht_capabilities_len; 60 u8 ht_operation_len; 61 u8 vht_capabilities_len; 62 u8 vht_operation_len; 63 u8 vendor_ht_cap_len; 64 u8 p2p_len; 65 u8 wfd_len; 66 u8 interworking_len; 67 u8 qos_map_set_len; 68 u8 hs20_len; 69 u8 ext_capab_len; 70 u8 ssid_list_len; 71 }; 72 73 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; 74 75 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len, 76 struct ieee802_11_elems *elems, 77 int show_errors); 78 int ieee802_11_ie_count(const u8 *ies, size_t ies_len); 79 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, 80 u32 oui_type); 81 struct ieee80211_hdr; 82 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); 83 84 struct hostapd_wmm_ac_params { 85 int cwmin; 86 int cwmax; 87 int aifs; 88 int txop_limit; /* in units of 32us */ 89 int admission_control_mandatory; 90 }; 91 92 int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[], 93 const char *name, const char *val); 94 enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel); 95 96 int supp_rates_11b_only(struct ieee802_11_elems *elems); 97 98 #endif /* IEEE802_11_COMMON_H */ 99