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 #define MAX_NOF_MB_IES_SUPPORTED 5
20 } ies[MAX_NOF_MB_IES_SUPPORTED];
24 /* Parsed Information Elements */
25 struct ieee802_11_elems {
31 const u8 *ext_supp_rates;
34 const u8 *wmm; /* WMM Information or Parameter Element */
37 const u8 *supp_channels;
40 const u8 *timeout_int;
41 const u8 *ht_capabilities;
42 const u8 *ht_operation;
43 const u8 *mesh_config;
46 const u8 *vht_capabilities;
47 const u8 *vht_operation;
48 const u8 *vht_opmode_notif;
49 const u8 *vendor_ht_cap;
54 const u8 *interworking;
55 const u8 *qos_map_set;
58 const u8 *bss_max_idle_period;
64 const u8 *pref_freq_list;
65 const u8 *supp_op_classes;
66 const u8 *rrm_enabled;
71 u8 ext_supp_rates_len;
74 u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
96 u8 pref_freq_list_len;
97 u8 supp_op_classes_len;
100 struct mb_ies_info mb_ies;
103 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
105 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
106 struct ieee802_11_elems *elems,
108 int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
109 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
111 struct ieee80211_hdr;
112 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
114 struct hostapd_wmm_ac_params {
118 int txop_limit; /* in units of 32us */
119 int admission_control_mandatory;
122 int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
123 const char *name, const char *val);
124 enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
125 int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
126 enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
127 int sec_channel, int vht,
128 u8 *op_class, u8 *channel);
129 int ieee80211_is_dfs(int freq);
130 enum phy_type ieee80211_get_phy_type(int freq, int ht, int vht);
132 int supp_rates_11b_only(struct ieee802_11_elems *elems);
133 int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
135 struct wpabuf * mb_ies_by_info(struct mb_ies_info *info);
137 const char * fc2str(u16 fc);
139 struct oper_class_map {
140 enum hostapd_hw_mode mode;
145 enum { BW20, BW40PLUS, BW40MINUS, BW80, BW2160, BW160, BW80P80 } bw;
146 enum { P2P_SUPP, NO_P2P_SUPP } p2p;
149 extern const struct oper_class_map global_op_class[];
150 extern size_t global_op_class_size;
152 const u8 * get_ie(const u8 *ies, size_t len, u8 eid);
154 size_t mbo_add_ie(u8 *buf, size_t len, const u8 *attr, size_t attr_len);
156 #endif /* IEEE802_11_COMMON_H */