2 * IEEE 802.11 Common routines
3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #ifndef IEEE802_11_COMMON_H
10 #define IEEE802_11_COMMON_H
14 struct hostapd_hw_modes;
16 #define MAX_NOF_MB_IES_SUPPORTED 5
22 } ies[MAX_NOF_MB_IES_SUPPORTED];
26 /* Parsed Information Elements */
27 struct ieee802_11_elems {
33 const u8 *ext_supp_rates;
36 const u8 *wmm; /* WMM Information or Parameter Element */
39 const u8 *supp_channels;
42 const u8 *timeout_int;
43 const u8 *ht_capabilities;
44 const u8 *ht_operation;
45 const u8 *mesh_config;
48 const u8 *vht_capabilities;
49 const u8 *vht_operation;
50 const u8 *vht_opmode_notif;
51 const u8 *vendor_ht_cap;
56 const u8 *interworking;
57 const u8 *qos_map_set;
60 const u8 *bss_max_idle_period;
66 const u8 *pref_freq_list;
67 const u8 *supp_op_classes;
68 const u8 *rrm_enabled;
73 const u8 *assoc_delay_info;
74 const u8 *fils_req_params;
75 const u8 *fils_key_confirm;
76 const u8 *fils_session;
78 const u8 *fils_ip_addr_assign;
79 const u8 *key_delivery;
80 const u8 *fils_wrapped_data;
84 const u8 *power_capab;
85 const u8 *roaming_cons_sel;
86 const u8 *password_id;
91 u8 ext_supp_rates_len;
94 u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
103 u8 vendor_ht_cap_len;
116 u8 pref_freq_list_len;
117 u8 supp_op_classes_len;
122 u8 fils_req_params_len;
123 u8 fils_key_confirm_len;
125 u8 fils_ip_addr_assign_len;
127 u8 fils_wrapped_data_len;
131 u8 roaming_cons_sel_len;
134 struct mb_ies_info mb_ies;
137 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
139 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
140 struct ieee802_11_elems *elems,
142 int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
143 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
145 struct ieee80211_hdr;
146 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
148 struct hostapd_wmm_ac_params {
152 int txop_limit; /* in units of 32us */
153 int admission_control_mandatory;
156 int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
157 const char *name, const char *val);
158 enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
159 int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
160 enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
161 int sec_channel, int vht,
162 u8 *op_class, u8 *channel);
163 int ieee80211_is_dfs(int freq, const struct hostapd_hw_modes *modes,
165 enum phy_type ieee80211_get_phy_type(int freq, int ht, int vht);
167 int supp_rates_11b_only(struct ieee802_11_elems *elems);
168 int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
170 struct wpabuf * mb_ies_by_info(struct mb_ies_info *info);
172 const char * fc2str(u16 fc);
174 struct oper_class_map {
175 enum hostapd_hw_mode mode;
180 enum { BW20, BW40PLUS, BW40MINUS, BW80, BW2160, BW160, BW80P80 } bw;
181 enum { P2P_SUPP, NO_P2P_SUPP } p2p;
184 extern const struct oper_class_map global_op_class[];
185 extern size_t global_op_class_size;
187 const u8 * get_ie(const u8 *ies, size_t len, u8 eid);
188 const u8 * get_ie_ext(const u8 *ies, size_t len, u8 ext);
190 size_t mbo_add_ie(u8 *buf, size_t len, const u8 *attr, size_t attr_len);
192 struct country_op_class {
197 u8 country_to_global_op_class(const char *country, u8 op_class);
199 const struct oper_class_map * get_oper_class(const char *country, u8 op_class);
201 int ieee802_11_parse_candidate_list(const char *pos, u8 *nei_rep,
204 #endif /* IEEE802_11_COMMON_H */