wpa_supplicant/devel/ieee802__11__common_8h_source.html

 #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 */

ieee802_11_parse_elems
ParseRes ieee802_11_parse_elems(const u8 *start, size_t len, struct ieee802_11_elems *elems, int show_errors)
Parse information elements in management frames.
Definition: ieee802_11_common.c:181

ieee80211_freq_to_channel_ext
enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq, int sec_channel, int vht, u8 *op_class, u8 *channel)
Convert frequency into channel info for HT40 and VHT. DFS channels are not covered.
Definition: ieee802_11_common.c:583

wpabuf
Definition: wpabuf.h:16

ieee80211_hdr
Definition: ieee802_11_defs.h:445

hostapd_hw_mode
hostapd_hw_mode
Hardware mode.
Definition: defs.h:302

ieee802_11_elems
Definition: ieee802_11_common.h:19

ieee80211_chan_to_freq
int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan)
Convert channel info to frequency.
Definition: ieee802_11_common.c:958

hostapd_wmm_ac_params
Definition: ieee802_11_common.h:101

mb_ies_info
Definition: ieee802_11_common.h:10