1 | /* |
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2 | * IEEE 802.11 Common routines |
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3 | * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> |
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4 | * |
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5 | * This software may be distributed under the terms of the BSD license. |
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6 | * See README for more details. |
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7 | */ |
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8 | |
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9 | #ifndef IEEE802_11_COMMON_H |
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10 | #define IEEE802_11_COMMON_H |
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11 | |
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12 | #define MAX_NOF_MB_IES_SUPPORTED 5 |
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13 | |
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14 | struct mb_ies_info { |
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15 | struct { |
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16 | const u8 *ie; |
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17 | u8 ie_len; |
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18 | } ies[MAX_NOF_MB_IES_SUPPORTED]; |
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19 | u8 nof_ies; |
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20 | }; |
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21 | |
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22 | /* Parsed Information Elements */ |
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23 | struct ieee802_11_elems { |
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24 | const u8 *ssid; |
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25 | const u8 *supp_rates; |
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26 | const u8 *ds_params; |
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27 | const u8 *challenge; |
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28 | const u8 *erp_info; |
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29 | const u8 *ext_supp_rates; |
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30 | const u8 *wpa_ie; |
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31 | const u8 *rsn_ie; |
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32 | const u8 *wmm; /* WMM Information or Parameter Element */ |
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33 | const u8 *wmm_tspec; |
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34 | const u8 *wps_ie; |
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35 | const u8 *supp_channels; |
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36 | const u8 *mdie; |
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37 | const u8 *ftie; |
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38 | const u8 *timeout_int; |
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39 | const u8 *ht_capabilities; |
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40 | const u8 *ht_operation; |
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41 | const u8 *mesh_config; |
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42 | const u8 *mesh_id; |
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43 | const u8 *peer_mgmt; |
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44 | const u8 *vht_capabilities; |
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45 | const u8 *vht_operation; |
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46 | const u8 *vht_opmode_notif; |
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47 | const u8 *vendor_ht_cap; |
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48 | const u8 *vendor_vht; |
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49 | const u8 *p2p; |
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50 | const u8 *wfd; |
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51 | const u8 *link_id; |
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52 | const u8 *interworking; |
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53 | const u8 *qos_map_set; |
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54 | const u8 *hs20; |
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55 | const u8 *ext_capab; |
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56 | const u8 *bss_max_idle_period; |
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57 | const u8 *ssid_list; |
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58 | const u8 *osen; |
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59 | const u8 *ampe; |
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60 | const u8 *mic; |
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61 | const u8 *pref_freq_list; |
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62 | |
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63 | u8 ssid_len; |
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64 | u8 supp_rates_len; |
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65 | u8 challenge_len; |
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66 | u8 ext_supp_rates_len; |
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67 | u8 wpa_ie_len; |
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68 | u8 rsn_ie_len; |
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69 | u8 wmm_len; /* 7 = WMM Information; 24 = WMM Parameter */ |
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70 | u8 wmm_tspec_len; |
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71 | u8 wps_ie_len; |
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72 | u8 supp_channels_len; |
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73 | u8 mdie_len; |
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74 | u8 ftie_len; |
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75 | u8 mesh_config_len; |
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76 | u8 mesh_id_len; |
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77 | u8 peer_mgmt_len; |
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78 | u8 vendor_ht_cap_len; |
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79 | u8 vendor_vht_len; |
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80 | u8 p2p_len; |
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81 | u8 wfd_len; |
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82 | u8 interworking_len; |
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83 | u8 qos_map_set_len; |
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84 | u8 hs20_len; |
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85 | u8 ext_capab_len; |
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86 | u8 ssid_list_len; |
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87 | u8 osen_len; |
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88 | u8 ampe_len; |
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89 | u8 mic_len; |
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90 | u8 pref_freq_list_len; |
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91 | struct mb_ies_info mb_ies; |
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92 | }; |
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93 | |
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94 | typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; |
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95 | |
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96 | ParseRes ieee802_11_parse_elems(const u8 *start, size_t len, |
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97 | struct ieee802_11_elems *elems, |
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98 | int show_errors); |
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99 | int ieee802_11_ie_count(const u8 *ies, size_t ies_len); |
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100 | struct wpabuf * ieee802_11_vendor_ie_concat(const u8 *ies, size_t ies_len, |
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101 | u32 oui_type); |
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102 | struct ieee80211_hdr; |
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103 | const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len); |
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104 | |
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105 | struct hostapd_wmm_ac_params { |
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106 | int cwmin; |
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107 | int cwmax; |
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108 | int aifs; |
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109 | int txop_limit; /* in units of 32us */ |
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110 | int admission_control_mandatory; |
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111 | }; |
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112 | |
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113 | int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[], |
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114 | const char *name, const char *val); |
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115 | enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel); |
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116 | int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan); |
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117 | enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq, |
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118 | int sec_channel, int vht, |
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119 | u8 *op_class, u8 *channel); |
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120 | int ieee80211_is_dfs(int freq); |
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121 | |
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122 | int supp_rates_11b_only(struct ieee802_11_elems *elems); |
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123 | int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf, |
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124 | size_t ies_len); |
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125 | struct wpabuf * mb_ies_by_info(struct mb_ies_info *info); |
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126 | |
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127 | const char * fc2str(u16 fc); |
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128 | #endif /* IEEE802_11_COMMON_H */ |
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