1 | /* |
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2 | * Driver interaction with Linux nl80211/cfg80211 - definitions |
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3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
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4 | * Copyright (c) 2003-2004, Instant802 Networks, Inc. |
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5 | * Copyright (c) 2005-2006, Devicescape Software, Inc. |
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6 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> |
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7 | * Copyright (c) 2009-2010, Atheros Communications |
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8 | * |
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9 | * This software may be distributed under the terms of the BSD license. |
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10 | * See README for more details. |
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11 | */ |
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12 | |
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13 | #ifndef DRIVER_NL80211_H |
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14 | #define DRIVER_NL80211_H |
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15 | |
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16 | #include "nl80211_copy.h" |
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17 | #include "utils/list.h" |
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18 | #include "driver.h" |
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19 | |
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20 | #ifdef CONFIG_LIBNL20 |
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21 | /* libnl 2.0 compatibility code */ |
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22 | #define nl_handle nl_sock |
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23 | #define nl80211_handle_alloc nl_socket_alloc_cb |
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24 | #define nl80211_handle_destroy nl_socket_free |
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25 | #endif /* CONFIG_LIBNL20 */ |
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26 | |
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27 | struct nl80211_global { |
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28 | struct dl_list interfaces; |
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29 | int if_add_ifindex; |
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30 | u64 if_add_wdevid; |
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31 | int if_add_wdevid_set; |
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32 | struct netlink_data *netlink; |
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33 | struct nl_cb *nl_cb; |
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34 | struct nl_handle *nl; |
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35 | int nl80211_id; |
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36 | int ioctl_sock; /* socket for ioctl() use */ |
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37 | |
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38 | struct nl_handle *nl_event; |
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39 | }; |
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40 | |
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41 | struct nl80211_wiphy_data { |
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42 | struct dl_list list; |
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43 | struct dl_list bsss; |
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44 | struct dl_list drvs; |
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45 | |
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46 | struct nl_handle *nl_beacons; |
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47 | struct nl_cb *nl_cb; |
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48 | |
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49 | int wiphy_idx; |
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50 | }; |
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51 | |
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52 | struct i802_bss { |
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53 | struct wpa_driver_nl80211_data *drv; |
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54 | struct i802_bss *next; |
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55 | int ifindex; |
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56 | int br_ifindex; |
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57 | u64 wdev_id; |
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58 | char ifname[IFNAMSIZ + 1]; |
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59 | char brname[IFNAMSIZ]; |
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60 | unsigned int beacon_set:1; |
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61 | unsigned int added_if_into_bridge:1; |
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62 | unsigned int added_bridge:1; |
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63 | unsigned int in_deinit:1; |
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64 | unsigned int wdev_id_set:1; |
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65 | unsigned int added_if:1; |
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66 | unsigned int static_ap:1; |
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67 | |
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68 | u8 addr[ETH_ALEN]; |
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69 | |
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70 | int freq; |
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71 | int bandwidth; |
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72 | int if_dynamic; |
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73 | |
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74 | void *ctx; |
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75 | struct nl_handle *nl_preq, *nl_mgmt; |
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76 | struct nl_cb *nl_cb; |
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77 | |
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78 | struct nl80211_wiphy_data *wiphy_data; |
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79 | struct dl_list wiphy_list; |
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80 | }; |
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81 | |
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82 | struct wpa_driver_nl80211_data { |
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83 | struct nl80211_global *global; |
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84 | struct dl_list list; |
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85 | struct dl_list wiphy_list; |
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86 | char phyname[32]; |
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87 | u8 perm_addr[ETH_ALEN]; |
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88 | void *ctx; |
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89 | int ifindex; |
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90 | int if_removed; |
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91 | int if_disabled; |
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92 | int ignore_if_down_event; |
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93 | struct rfkill_data *rfkill; |
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94 | struct wpa_driver_capa capa; |
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95 | u8 *extended_capa, *extended_capa_mask; |
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96 | unsigned int extended_capa_len; |
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97 | int has_capability; |
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98 | |
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99 | int operstate; |
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100 | |
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101 | int scan_complete_events; |
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102 | enum scan_states { |
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103 | NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, |
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104 | SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, |
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105 | SCHED_SCAN_RESULTS |
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106 | } scan_state; |
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107 | |
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108 | u8 auth_bssid[ETH_ALEN]; |
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109 | u8 auth_attempt_bssid[ETH_ALEN]; |
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110 | u8 bssid[ETH_ALEN]; |
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111 | u8 prev_bssid[ETH_ALEN]; |
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112 | int associated; |
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113 | u8 ssid[SSID_MAX_LEN]; |
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114 | size_t ssid_len; |
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115 | enum nl80211_iftype nlmode; |
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116 | enum nl80211_iftype ap_scan_as_station; |
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117 | unsigned int assoc_freq; |
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118 | |
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119 | int monitor_sock; |
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120 | int monitor_ifidx; |
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121 | int monitor_refcount; |
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122 | |
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123 | unsigned int disabled_11b_rates:1; |
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124 | unsigned int pending_remain_on_chan:1; |
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125 | unsigned int in_interface_list:1; |
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126 | unsigned int device_ap_sme:1; |
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127 | unsigned int poll_command_supported:1; |
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128 | unsigned int data_tx_status:1; |
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129 | unsigned int scan_for_auth:1; |
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130 | unsigned int retry_auth:1; |
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131 | unsigned int use_monitor:1; |
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132 | unsigned int ignore_next_local_disconnect:1; |
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133 | unsigned int ignore_next_local_deauth:1; |
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134 | unsigned int hostapd:1; |
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135 | unsigned int start_mode_ap:1; |
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136 | unsigned int start_iface_up:1; |
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137 | unsigned int test_use_roc_tx:1; |
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138 | unsigned int ignore_deauth_event:1; |
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139 | unsigned int vendor_cmd_test_avail:1; |
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140 | unsigned int roaming_vendor_cmd_avail:1; |
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141 | unsigned int dfs_vendor_cmd_avail:1; |
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142 | unsigned int have_low_prio_scan:1; |
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143 | unsigned int force_connect_cmd:1; |
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144 | unsigned int addr_changed:1; |
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145 | unsigned int get_features_vendor_cmd_avail:1; |
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146 | unsigned int set_rekey_offload:1; |
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147 | unsigned int p2p_go_ctwindow_supported:1; |
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148 | unsigned int setband_vendor_cmd_avail:1; |
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149 | unsigned int get_pref_freq_list:1; |
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150 | unsigned int set_prob_oper_freq:1; |
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151 | |
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152 | u64 remain_on_chan_cookie; |
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153 | u64 send_action_cookie; |
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154 | |
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155 | unsigned int last_mgmt_freq; |
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156 | |
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157 | struct wpa_driver_scan_filter *filter_ssids; |
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158 | size_t num_filter_ssids; |
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159 | |
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160 | struct i802_bss *first_bss; |
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161 | |
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162 | int eapol_tx_sock; |
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163 | |
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164 | int eapol_sock; /* socket for EAPOL frames */ |
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165 | |
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166 | struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ |
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167 | |
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168 | int default_if_indices[16]; |
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169 | int *if_indices; |
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170 | int num_if_indices; |
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171 | |
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172 | /* From failed authentication command */ |
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173 | int auth_freq; |
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174 | u8 auth_bssid_[ETH_ALEN]; |
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175 | u8 auth_ssid[SSID_MAX_LEN]; |
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176 | size_t auth_ssid_len; |
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177 | int auth_alg; |
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178 | u8 *auth_ie; |
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179 | size_t auth_ie_len; |
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180 | u8 auth_wep_key[4][16]; |
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181 | size_t auth_wep_key_len[4]; |
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182 | int auth_wep_tx_keyidx; |
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183 | int auth_local_state_change; |
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184 | int auth_p2p; |
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185 | }; |
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186 | |
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187 | struct nl_msg; |
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188 | |
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189 | void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, |
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190 | struct nl_msg *msg, int flags, uint8_t cmd); |
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191 | struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); |
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192 | struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, |
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193 | uint8_t cmd); |
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194 | struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); |
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195 | int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, |
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196 | int (*valid_handler)(struct nl_msg *, void *), |
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197 | void *valid_data); |
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198 | int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, |
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199 | const char *ifname, enum nl80211_iftype iftype, |
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200 | const u8 *addr, int wds, |
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201 | int (*handler)(struct nl_msg *, void *), |
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202 | void *arg, int use_existing); |
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203 | void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); |
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204 | unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); |
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205 | enum chan_width convert2width(int width); |
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206 | void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); |
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207 | struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, |
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208 | int ifindex); |
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209 | int is_ap_interface(enum nl80211_iftype nlmode); |
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210 | int is_sta_interface(enum nl80211_iftype nlmode); |
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211 | int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); |
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212 | int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, |
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213 | struct wpa_signal_info *sig); |
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214 | int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, |
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215 | struct wpa_signal_info *sig_change); |
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216 | int nl80211_get_wiphy_index(struct i802_bss *bss); |
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217 | int wpa_driver_nl80211_set_mode(struct i802_bss *bss, |
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218 | enum nl80211_iftype nlmode); |
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219 | int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, |
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220 | const u8 *addr, int cmd, u16 reason_code, |
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221 | int local_state_change); |
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222 | |
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223 | int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); |
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224 | void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); |
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225 | int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, |
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226 | const void *data, size_t len, |
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227 | int encrypt, int noack); |
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228 | |
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229 | int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); |
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230 | struct hostapd_hw_modes * |
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231 | nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags); |
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232 | |
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233 | int process_global_event(struct nl_msg *msg, void *arg); |
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234 | int process_bss_event(struct nl_msg *msg, void *arg); |
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235 | |
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236 | #ifdef ANDROID |
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237 | int android_nl_socket_set_nonblocking(struct nl_handle *handle); |
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238 | int android_pno_start(struct i802_bss *bss, |
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239 | struct wpa_driver_scan_params *params); |
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240 | int android_pno_stop(struct i802_bss *bss); |
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241 | extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, |
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242 | size_t buf_len); |
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243 | |
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244 | #ifdef ANDROID_P2P |
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245 | int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); |
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246 | int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); |
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247 | int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); |
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248 | int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, |
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249 | const struct wpabuf *proberesp, |
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250 | const struct wpabuf *assocresp); |
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251 | #endif /* ANDROID_P2P */ |
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252 | #endif /* ANDROID */ |
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253 | |
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254 | |
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255 | /* driver_nl80211_scan.c */ |
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256 | |
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257 | struct nl80211_bss_info_arg { |
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258 | struct wpa_driver_nl80211_data *drv; |
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259 | struct wpa_scan_results *res; |
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260 | unsigned int assoc_freq; |
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261 | unsigned int ibss_freq; |
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262 | u8 assoc_bssid[ETH_ALEN]; |
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263 | }; |
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264 | |
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265 | int bss_info_handler(struct nl_msg *msg, void *arg); |
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266 | void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); |
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267 | int wpa_driver_nl80211_scan(struct i802_bss *bss, |
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268 | struct wpa_driver_scan_params *params); |
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269 | int wpa_driver_nl80211_sched_scan(void *priv, |
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270 | struct wpa_driver_scan_params *params, |
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271 | u32 interval); |
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272 | int wpa_driver_nl80211_stop_sched_scan(void *priv); |
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273 | struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv); |
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274 | void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); |
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275 | const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie); |
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276 | |
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277 | #endif /* DRIVER_NL80211_H */ |
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