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/*
* IEEE 802.11 Common routines
* Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef IEEE802_11_COMMON_H
#define IEEE802_11_COMMON_H
#define MAX_NOF_MB_IES_SUPPORTED 5
struct mb_ies_info {
struct {
const u8 *ie;
u8 ie_len;
} ies[MAX_NOF_MB_IES_SUPPORTED];
u8 nof_ies;
};
/* Parsed Information Elements */
struct ieee802_11_elems {
const u8 *ssid;
const u8 *supp_rates;
const u8 *ds_params;
const u8 *challenge;
const u8 *erp_info;
const u8 *ext_supp_rates;
const u8 *wpa_ie;
const u8 *rsn_ie;
const u8 *wmm; /* WMM Information or Parameter Element */
const u8 *wmm_tspec;
const u8 *wps_ie;
const u8 *supp_channels;
const u8 *mdie;
const u8 *ftie;
const u8 *timeout_int;
const u8 *ht_capabilities;
const u8 *ht_operation;
const u8 *mesh_config;
const u8 *mesh_id;
const u8 *peer_mgmt;
const u8 *vht_capabilities;
const u8 *vht_operation;
const u8 *vht_opmode_notif;
const u8 *vendor_ht_cap;
const u8 *vendor_vht;
const u8 *p2p;
const u8 *wfd;
const u8 *link_id;
const u8 *interworking;
const u8 *qos_map_set;
const u8 *hs20;
const u8 *ext_capab;
const u8 *bss_max_idle_period;
const u8 *ssid_list;
const u8 *osen;
const u8 *ampe;
const u8 *mic;
const u8 *pref_freq_list;
u8 ssid_len;
u8 supp_rates_len;
u8 challenge_len;
u8 ext_supp_rates_len;
u8 wpa_ie_len;
u8 rsn_ie_len;
u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
u8 wmm_tspec_len;
u8 wps_ie_len;
u8 supp_channels_len;
u8 mdie_len;
u8 ftie_len;
u8 mesh_config_len;
u8 mesh_id_len;
u8 peer_mgmt_len;
u8 vendor_ht_cap_len;
u8 vendor_vht_len;
u8 p2p_len;
u8 wfd_len;
u8 interworking_len;
u8 qos_map_set_len;
u8 hs20_len;
u8 ext_capab_len;
u8 ssid_list_len;
u8 osen_len;
u8 ampe_len;
u8 mic_len;
u8 pref_freq_list_len;
struct mb_ies_info mb_ies;
};
typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
struct ieee802_11_elems *elems,
int show_errors);
int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
u32 oui_type);
struct ieee80211_hdr;
const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
struct hostapd_wmm_ac_params {
int cwmin;
int cwmax;
int aifs;
int txop_limit; /* in units of 32us */
int admission_control_mandatory;
};
int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
const char *name, const char *val);
enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
int sec_channel, int vht,
u8 *op_class, u8 *channel);
int ieee80211_is_dfs(int freq);
int supp_rates_11b_only(struct ieee802_11_elems *elems);
int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
size_t ies_len);
struct wpabuf * mb_ies_by_info(struct mb_ies_info *info);
const char * fc2str(u16 fc);
#endif /* IEEE802_11_COMMON_H */
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