ieee802_11_common.h 4.7 KB

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  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. #ifndef IEEE802_11_COMMON_H
  9. #define IEEE802_11_COMMON_H
  10. #include "defs.h"
  11. #define MAX_NOF_MB_IES_SUPPORTED 5
  12. struct mb_ies_info {
  13. struct {
  14. const u8 *ie;
  15. u8 ie_len;
  16. } ies[MAX_NOF_MB_IES_SUPPORTED];
  17. u8 nof_ies;
  18. };
  19. /* Parsed Information Elements */
  20. struct ieee802_11_elems {
  21. const u8 *ssid;
  22. const u8 *supp_rates;
  23. const u8 *ds_params;
  24. const u8 *challenge;
  25. const u8 *erp_info;
  26. const u8 *ext_supp_rates;
  27. const u8 *wpa_ie;
  28. const u8 *rsn_ie;
  29. const u8 *wmm; /* WMM Information or Parameter Element */
  30. const u8 *wmm_tspec;
  31. const u8 *wps_ie;
  32. const u8 *supp_channels;
  33. const u8 *mdie;
  34. const u8 *ftie;
  35. const u8 *timeout_int;
  36. const u8 *ht_capabilities;
  37. const u8 *ht_operation;
  38. const u8 *mesh_config;
  39. const u8 *mesh_id;
  40. const u8 *peer_mgmt;
  41. const u8 *vht_capabilities;
  42. const u8 *vht_operation;
  43. const u8 *vht_opmode_notif;
  44. const u8 *vendor_ht_cap;
  45. const u8 *vendor_vht;
  46. const u8 *p2p;
  47. const u8 *wfd;
  48. const u8 *link_id;
  49. const u8 *interworking;
  50. const u8 *qos_map_set;
  51. const u8 *hs20;
  52. const u8 *ext_capab;
  53. const u8 *bss_max_idle_period;
  54. const u8 *ssid_list;
  55. const u8 *osen;
  56. const u8 *mbo;
  57. const u8 *ampe;
  58. const u8 *mic;
  59. const u8 *pref_freq_list;
  60. const u8 *supp_op_classes;
  61. const u8 *rrm_enabled;
  62. const u8 *cag_number;
  63. const u8 *ap_csn;
  64. const u8 *fils_indic;
  65. const u8 *dils;
  66. const u8 *assoc_delay_info;
  67. const u8 *fils_req_params;
  68. const u8 *fils_key_confirm;
  69. const u8 *fils_session;
  70. const u8 *fils_hlp;
  71. const u8 *fils_ip_addr_assign;
  72. const u8 *key_delivery;
  73. const u8 *fils_wrapped_data;
  74. const u8 *fils_pk;
  75. const u8 *fils_nonce;
  76. const u8 *owe_dh;
  77. const u8 *power_capab;
  78. u8 ssid_len;
  79. u8 supp_rates_len;
  80. u8 challenge_len;
  81. u8 ext_supp_rates_len;
  82. u8 wpa_ie_len;
  83. u8 rsn_ie_len;
  84. u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */
  85. u8 wmm_tspec_len;
  86. u8 wps_ie_len;
  87. u8 supp_channels_len;
  88. u8 mdie_len;
  89. u8 ftie_len;
  90. u8 mesh_config_len;
  91. u8 mesh_id_len;
  92. u8 peer_mgmt_len;
  93. u8 vendor_ht_cap_len;
  94. u8 vendor_vht_len;
  95. u8 p2p_len;
  96. u8 wfd_len;
  97. u8 interworking_len;
  98. u8 qos_map_set_len;
  99. u8 hs20_len;
  100. u8 ext_capab_len;
  101. u8 ssid_list_len;
  102. u8 osen_len;
  103. u8 mbo_len;
  104. u8 ampe_len;
  105. u8 mic_len;
  106. u8 pref_freq_list_len;
  107. u8 supp_op_classes_len;
  108. u8 rrm_enabled_len;
  109. u8 cag_number_len;
  110. u8 fils_indic_len;
  111. u8 dils_len;
  112. u8 fils_req_params_len;
  113. u8 fils_key_confirm_len;
  114. u8 fils_hlp_len;
  115. u8 fils_ip_addr_assign_len;
  116. u8 key_delivery_len;
  117. u8 fils_wrapped_data_len;
  118. u8 fils_pk_len;
  119. u8 owe_dh_len;
  120. u8 power_capab_len;
  121. struct mb_ies_info mb_ies;
  122. };
  123. typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
  124. ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
  125. struct ieee802_11_elems *elems,
  126. int show_errors);
  127. int ieee802_11_ie_count(const u8 *ies, size_t ies_len);
  128. struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len,
  129. u32 oui_type);
  130. struct ieee80211_hdr;
  131. const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len);
  132. struct hostapd_wmm_ac_params {
  133. int cwmin;
  134. int cwmax;
  135. int aifs;
  136. int txop_limit; /* in units of 32us */
  137. int admission_control_mandatory;
  138. };
  139. int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
  140. const char *name, const char *val);
  141. enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel);
  142. int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan);
  143. enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
  144. int sec_channel, int vht,
  145. u8 *op_class, u8 *channel);
  146. int ieee80211_is_dfs(int freq);
  147. enum phy_type ieee80211_get_phy_type(int freq, int ht, int vht);
  148. int supp_rates_11b_only(struct ieee802_11_elems *elems);
  149. int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
  150. size_t ies_len);
  151. struct wpabuf * mb_ies_by_info(struct mb_ies_info *info);
  152. const char * fc2str(u16 fc);
  153. struct oper_class_map {
  154. enum hostapd_hw_mode mode;
  155. u8 op_class;
  156. u8 min_chan;
  157. u8 max_chan;
  158. u8 inc;
  159. enum { BW20, BW40PLUS, BW40MINUS, BW80, BW2160, BW160, BW80P80 } bw;
  160. enum { P2P_SUPP, NO_P2P_SUPP } p2p;
  161. };
  162. extern const struct oper_class_map global_op_class[];
  163. extern size_t global_op_class_size;
  164. const u8 * get_ie(const u8 *ies, size_t len, u8 eid);
  165. const u8 * get_ie_ext(const u8 *ies, size_t len, u8 ext);
  166. size_t mbo_add_ie(u8 *buf, size_t len, const u8 *attr, size_t attr_len);
  167. struct country_op_class {
  168. u8 country_op_class;
  169. u8 global_op_class;
  170. };
  171. u8 country_to_global_op_class(const char *country, u8 op_class);
  172. const struct oper_class_map * get_oper_class(const char *country, u8 op_class);
  173. int ieee802_11_parse_candidate_list(const char *pos, u8 *nei_rep,
  174. size_t nei_rep_len);
  175. #endif /* IEEE802_11_COMMON_H */