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
12 #define MAX_NOF_MB_IES_SUPPORTED 5
18 } ies[MAX_NOF_MB_IES_SUPPORTED];
22 /* Parsed Information Elements */
23 struct ieee802_11_elems {
29 const u8 *ext_supp_rates;
32 const u8 *wmm; /* WMM Information or Parameter Element */
35 const u8 *supp_channels;
38 const u8 *timeout_int;
39 const u8 *ht_capabilities;
40 const u8 *ht_operation;
41 const u8 *mesh_config;
44 const u8 *vht_capabilities;
45 const u8 *vht_operation;
46 const u8 *vht_opmode_notif;
47 const u8 *vendor_ht_cap;
52 const u8 *interworking;
53 const u8 *qos_map_set;
56 const u8 *bss_max_idle_period;
61 const u8 *pref_freq_list;
66 u8 ext_supp_rates_len;
69 u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
90 u8 pref_freq_list_len;
91 struct mb_ies_info mb_ies;
94 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
96 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
97 struct ieee802_11_elems *elems,
99 int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
100 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
102 struct ieee80211_hdr;
103 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
105 struct hostapd_wmm_ac_params {
109 int txop_limit; /* in units of 32us */
110 int admission_control_mandatory;
113 int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
114 const char *name, const char *val);
115 enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
116 int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
117 enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
118 int sec_channel, int vht,
119 u8 *op_class, u8 *channel);
120 int ieee80211_is_dfs(int freq);
122 int supp_rates_11b_only(struct ieee802_11_elems *elems);
123 int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
125 struct wpabuf * mb_ies_by_info(struct mb_ies_info *info);
127 const char * fc2str(u16 fc);
128 #endif /* IEEE802_11_COMMON_H */