1 /* 2 * Driver interaction with Linux nl80211/cfg80211 - definitions 3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc. 5 * Copyright (c) 2005-2006, Devicescape Software, Inc. 6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> 7 * Copyright (c) 2009-2010, Atheros Communications 8 * 9 * This software may be distributed under the terms of the BSD license. 10 * See README for more details. 11 */ 12 13 #ifndef DRIVER_NL80211_H 14 #define DRIVER_NL80211_H 15 16 #include "nl80211_copy.h" 17 #include "utils/list.h" 18 #include "driver.h" 19 20 #ifdef CONFIG_LIBNL20 21 /* libnl 2.0 compatibility code */ 22 #define nl_handle nl_sock 23 #define nl80211_handle_alloc nl_socket_alloc_cb 24 #define nl80211_handle_destroy nl_socket_free 25 #endif /* CONFIG_LIBNL20 */ 26 27 struct nl80211_global { 28 void *ctx; 29 struct dl_list interfaces; 30 int if_add_ifindex; 31 u64 if_add_wdevid; 32 int if_add_wdevid_set; 33 struct netlink_data *netlink; 34 struct nl_cb *nl_cb; 35 struct nl_handle *nl; 36 int nl80211_id; 37 int ioctl_sock; /* socket for ioctl() use */ 38 39 struct nl_handle *nl_event; 40 }; 41 42 struct nl80211_wiphy_data { 43 struct dl_list list; 44 struct dl_list bsss; 45 struct dl_list drvs; 46 47 struct nl_handle *nl_beacons; 48 struct nl_cb *nl_cb; 49 50 int wiphy_idx; 51 }; 52 53 struct i802_bss { 54 struct wpa_driver_nl80211_data *drv; 55 struct i802_bss *next; 56 int ifindex; 57 int br_ifindex; 58 u64 wdev_id; 59 char ifname[IFNAMSIZ + 1]; 60 char brname[IFNAMSIZ]; 61 unsigned int beacon_set:1; 62 unsigned int added_if_into_bridge:1; 63 unsigned int already_in_bridge:1; 64 unsigned int added_bridge:1; 65 unsigned int in_deinit:1; 66 unsigned int wdev_id_set:1; 67 unsigned int added_if:1; 68 unsigned int static_ap:1; 69 unsigned int use_nl_connect:1; 70 71 u8 addr[ETH_ALEN]; 72 73 int freq; 74 int bandwidth; 75 int if_dynamic; 76 77 void *ctx; 78 struct nl_handle *nl_preq, *nl_mgmt, *nl_connect; 79 struct nl_cb *nl_cb; 80 81 struct nl80211_wiphy_data *wiphy_data; 82 struct dl_list wiphy_list; 83 u8 rand_addr[ETH_ALEN]; 84 }; 85 86 struct wpa_driver_nl80211_data { 87 struct nl80211_global *global; 88 struct dl_list list; 89 struct dl_list wiphy_list; 90 char phyname[32]; 91 unsigned int wiphy_idx; 92 u8 perm_addr[ETH_ALEN]; 93 void *ctx; 94 int ifindex; 95 int if_removed; 96 int if_disabled; 97 int ignore_if_down_event; 98 struct rfkill_data *rfkill; 99 struct wpa_driver_capa capa; 100 u8 *extended_capa, *extended_capa_mask; 101 unsigned int extended_capa_len; 102 struct drv_nl80211_ext_capa { 103 enum nl80211_iftype iftype; 104 u8 *ext_capa, *ext_capa_mask; 105 unsigned int ext_capa_len; 106 } iface_ext_capa[NL80211_IFTYPE_MAX]; 107 unsigned int num_iface_ext_capa; 108 109 int has_capability; 110 111 int operstate; 112 113 int scan_complete_events; 114 enum scan_states { 115 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 116 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 117 SCHED_SCAN_RESULTS 118 } scan_state; 119 120 u8 auth_bssid[ETH_ALEN]; 121 u8 auth_attempt_bssid[ETH_ALEN]; 122 u8 bssid[ETH_ALEN]; 123 u8 prev_bssid[ETH_ALEN]; 124 int associated; 125 u8 ssid[SSID_MAX_LEN]; 126 size_t ssid_len; 127 enum nl80211_iftype nlmode; 128 enum nl80211_iftype ap_scan_as_station; 129 unsigned int assoc_freq; 130 131 int monitor_sock; 132 int monitor_ifidx; 133 int monitor_refcount; 134 135 unsigned int disabled_11b_rates:1; 136 unsigned int pending_remain_on_chan:1; 137 unsigned int in_interface_list:1; 138 unsigned int device_ap_sme:1; 139 unsigned int poll_command_supported:1; 140 unsigned int data_tx_status:1; 141 unsigned int scan_for_auth:1; 142 unsigned int retry_auth:1; 143 unsigned int use_monitor:1; 144 unsigned int ignore_next_local_disconnect:1; 145 unsigned int ignore_next_local_deauth:1; 146 unsigned int hostapd:1; 147 unsigned int start_mode_ap:1; 148 unsigned int start_iface_up:1; 149 unsigned int test_use_roc_tx:1; 150 unsigned int ignore_deauth_event:1; 151 unsigned int vendor_cmd_test_avail:1; 152 unsigned int roaming_vendor_cmd_avail:1; 153 unsigned int dfs_vendor_cmd_avail:1; 154 unsigned int have_low_prio_scan:1; 155 unsigned int force_connect_cmd:1; 156 unsigned int addr_changed:1; 157 unsigned int get_features_vendor_cmd_avail:1; 158 unsigned int set_rekey_offload:1; 159 unsigned int p2p_go_ctwindow_supported:1; 160 unsigned int setband_vendor_cmd_avail:1; 161 unsigned int get_pref_freq_list:1; 162 unsigned int set_prob_oper_freq:1; 163 unsigned int scan_vendor_cmd_avail:1; 164 unsigned int connect_reassoc:1; 165 unsigned int set_wifi_conf_vendor_cmd_avail:1; 166 unsigned int he_capab_vendor_cmd_avail:1; 167 unsigned int fetch_bss_trans_status:1; 168 unsigned int roam_vendor_cmd_avail:1; 169 170 u64 vendor_scan_cookie; 171 u64 remain_on_chan_cookie; 172 u64 send_action_cookie; 173 #define MAX_SEND_ACTION_COOKIES 20 174 u64 send_action_cookies[MAX_SEND_ACTION_COOKIES]; 175 unsigned int num_send_action_cookies; 176 177 unsigned int last_mgmt_freq; 178 179 struct wpa_driver_scan_filter *filter_ssids; 180 size_t num_filter_ssids; 181 182 struct i802_bss *first_bss; 183 184 int eapol_tx_sock; 185 186 int eapol_sock; /* socket for EAPOL frames */ 187 188 struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ 189 190 int default_if_indices[16]; 191 /* the AP/AP_VLAN iface that is in this bridge */ 192 int default_if_indices_reason[16]; 193 int *if_indices; 194 int *if_indices_reason; 195 int num_if_indices; 196 197 /* From failed authentication command */ 198 int auth_freq; 199 u8 auth_bssid_[ETH_ALEN]; 200 u8 auth_ssid[SSID_MAX_LEN]; 201 size_t auth_ssid_len; 202 int auth_alg; 203 u8 *auth_ie; 204 size_t auth_ie_len; 205 u8 auth_wep_key[4][16]; 206 size_t auth_wep_key_len[4]; 207 int auth_wep_tx_keyidx; 208 int auth_local_state_change; 209 int auth_p2p; 210 211 /* 212 * Tells whether the last scan issued from wpa_supplicant was a normal 213 * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan 214 * (NL80211_CMD_VENDOR). 0 if no pending scan request. 215 */ 216 int last_scan_cmd; 217 218 struct he_capabilities he_capab; 219 }; 220 221 struct nl_msg; 222 223 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, 224 struct nl_msg *msg, int flags, uint8_t cmd); 225 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); 226 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, 227 uint8_t cmd); 228 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); 229 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, 230 int (*valid_handler)(struct nl_msg *, void *), 231 void *valid_data); 232 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, 233 const char *ifname, enum nl80211_iftype iftype, 234 const u8 *addr, int wds, 235 int (*handler)(struct nl_msg *, void *), 236 void *arg, int use_existing); 237 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); 238 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); 239 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid); 240 enum chan_width convert2width(int width); 241 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); 242 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, 243 int ifindex); 244 int is_ap_interface(enum nl80211_iftype nlmode); 245 int is_sta_interface(enum nl80211_iftype nlmode); 246 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); 247 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, 248 struct wpa_signal_info *sig); 249 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, 250 struct wpa_signal_info *sig_change); 251 int nl80211_get_wiphy_index(struct i802_bss *bss); 252 int wpa_driver_nl80211_set_mode(struct i802_bss *bss, 253 enum nl80211_iftype nlmode); 254 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, 255 const u8 *addr, int cmd, u16 reason_code, 256 int local_state_change, 257 struct nl_handle *nl_connect); 258 259 int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); 260 void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); 261 int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, 262 const void *data, size_t len, 263 int encrypt, int noack); 264 265 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); 266 struct hostapd_hw_modes * 267 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 268 u8 *dfs_domain); 269 270 int process_global_event(struct nl_msg *msg, void *arg); 271 int process_bss_event(struct nl_msg *msg, void *arg); 272 273 const char * nl80211_iftype_str(enum nl80211_iftype mode); 274 275 #ifdef ANDROID 276 int android_nl_socket_set_nonblocking(struct nl_handle *handle); 277 int android_pno_start(struct i802_bss *bss, 278 struct wpa_driver_scan_params *params); 279 int android_pno_stop(struct i802_bss *bss); 280 extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, 281 size_t buf_len); 282 283 #ifdef ANDROID_P2P 284 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); 285 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); 286 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); 287 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, 288 const struct wpabuf *proberesp, 289 const struct wpabuf *assocresp); 290 #endif /* ANDROID_P2P */ 291 #endif /* ANDROID */ 292 293 294 /* driver_nl80211_scan.c */ 295 296 void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); 297 int wpa_driver_nl80211_scan(struct i802_bss *bss, 298 struct wpa_driver_scan_params *params); 299 int wpa_driver_nl80211_sched_scan(void *priv, 300 struct wpa_driver_scan_params *params); 301 int wpa_driver_nl80211_stop_sched_scan(void *priv); 302 struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv); 303 void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); 304 int wpa_driver_nl80211_abort_scan(void *priv, u64 scan_cookie); 305 int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, 306 struct wpa_driver_scan_params *params); 307 int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len); 308 309 #endif /* DRIVER_NL80211_H */ 310