src/common/ieee802_11_common.h

   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 *fh_params;
  17         const u8 *ds_params;
  18         const u8 *cf_params;
  19         const u8 *tim;
  20         const u8 *ibss_params;
  21         const u8 *challenge;
  22         const u8 *erp_info;
  23         const u8 *ext_supp_rates;
  24         const u8 *wpa_ie;
  25         const u8 *rsn_ie;
  26         const u8 *wmm; /* WMM Information or Parameter Element */
  27         const u8 *wmm_tspec;
  28         const u8 *wps_ie;
  29         const u8 *power_cap;
  30         const u8 *supp_channels;
  31         const u8 *mdie;
  32         const u8 *ftie;
  33         const u8 *timeout_int;
  34         const u8 *ht_capabilities;
  35         const u8 *ht_operation;
  36         const u8 *vht_capabilities;
  37         const u8 *vht_operation;
  38         const u8 *vendor_ht_cap;
  39         const u8 *p2p;
  40         const u8 *wfd;
  41         const u8 *link_id;
  42         const u8 *interworking;
  43         const u8 *hs20;
  44         const u8 *ext_capab;
  45         const u8 *bss_max_idle_period;
  46         const u8 *ssid_list;
  47
  48         u8 ssid_len;
  49         u8 supp_rates_len;
  50         u8 fh_params_len;
  51         u8 ds_params_len;
  52         u8 cf_params_len;
  53         u8 tim_len;
  54         u8 ibss_params_len;
  55         u8 challenge_len;
  56         u8 erp_info_len;
  57         u8 ext_supp_rates_len;
  58         u8 wpa_ie_len;
  59         u8 rsn_ie_len;
  60         u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
  61         u8 wmm_tspec_len;
  62         u8 wps_ie_len;
  63         u8 power_cap_len;
  64         u8 supp_channels_len;
  65         u8 mdie_len;
  66         u8 ftie_len;
  67         u8 timeout_int_len;
  68         u8 ht_capabilities_len;
  69         u8 ht_operation_len;
  70         u8 vht_capabilities_len;
  71         u8 vht_operation_len;
  72         u8 vendor_ht_cap_len;
  73         u8 p2p_len;
  74         u8 wfd_len;
  75         u8 interworking_len;
  76         u8 hs20_len;
  77         u8 ext_capab_len;
  78         u8 ssid_list_len;
  79 };
  80
  81 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
  82
  83 ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
  84                                 struct ieee802_11_elems *elems,
  85                                 int show_errors);
  86 int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
  87 struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
  88                                             u32 oui_type);
  89 struct ieee80211_hdr;
  90 const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
  91
  92 struct hostapd_wmm_ac_params {
  93         int cwmin;
  94         int cwmax;
  95         int aifs;
  96         int txop_limit; /* in units of 32us */
  97         int admission_control_mandatory;
  98 };
  99
 100 int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
 101                           const char *name, const char *val);
 102
 103 #endif /* IEEE802_11_COMMON_H */