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 added_bridge:1; 64 unsigned int in_deinit:1; 65 unsigned int wdev_id_set:1; 66 unsigned int added_if:1; 67 unsigned int static_ap:1; 68 69 u8 addr[ETH_ALEN]; 70 71 int freq; 72 int bandwidth; 73 int if_dynamic; 74 75 void *ctx; 76 struct nl_handle *nl_preq, *nl_mgmt; 77 struct nl_cb *nl_cb; 78 79 struct nl80211_wiphy_data *wiphy_data; 80 struct dl_list wiphy_list; 81 u8 rand_addr[ETH_ALEN]; 82 }; 83 84 struct wpa_driver_nl80211_data { 85 struct nl80211_global *global; 86 struct dl_list list; 87 struct dl_list wiphy_list; 88 char phyname[32]; 89 unsigned int wiphy_idx; 90 u8 perm_addr[ETH_ALEN]; 91 void *ctx; 92 int ifindex; 93 int if_removed; 94 int if_disabled; 95 int ignore_if_down_event; 96 struct rfkill_data *rfkill; 97 struct wpa_driver_capa capa; 98 u8 *extended_capa, *extended_capa_mask; 99 unsigned int extended_capa_len; 100 struct drv_nl80211_ext_capa { 101 enum nl80211_iftype iftype; 102 u8 *ext_capa, *ext_capa_mask; 103 unsigned int ext_capa_len; 104 } iface_ext_capa[NL80211_IFTYPE_MAX]; 105 unsigned int num_iface_ext_capa; 106 107 int has_capability; 108 109 int operstate; 110 111 int scan_complete_events; 112 enum scan_states { 113 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 114 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 115 SCHED_SCAN_RESULTS 116 } scan_state; 117 118 u8 auth_bssid[ETH_ALEN]; 119 u8 auth_attempt_bssid[ETH_ALEN]; 120 u8 bssid[ETH_ALEN]; 121 u8 prev_bssid[ETH_ALEN]; 122 int associated; 123 u8 ssid[SSID_MAX_LEN]; 124 size_t ssid_len; 125 enum nl80211_iftype nlmode; 126 enum nl80211_iftype ap_scan_as_station; 127 unsigned int assoc_freq; 128 129 int monitor_sock; 130 int monitor_ifidx; 131 int monitor_refcount; 132 133 unsigned int disabled_11b_rates:1; 134 unsigned int pending_remain_on_chan:1; 135 unsigned int in_interface_list:1; 136 unsigned int device_ap_sme:1; 137 unsigned int poll_command_supported:1; 138 unsigned int data_tx_status:1; 139 unsigned int scan_for_auth:1; 140 unsigned int retry_auth:1; 141 unsigned int use_monitor:1; 142 unsigned int ignore_next_local_disconnect:1; 143 unsigned int ignore_next_local_deauth:1; 144 unsigned int hostapd:1; 145 unsigned int start_mode_ap:1; 146 unsigned int start_iface_up:1; 147 unsigned int test_use_roc_tx:1; 148 unsigned int ignore_deauth_event:1; 149 unsigned int vendor_cmd_test_avail:1; 150 unsigned int roaming_vendor_cmd_avail:1; 151 unsigned int dfs_vendor_cmd_avail:1; 152 unsigned int have_low_prio_scan:1; 153 unsigned int force_connect_cmd:1; 154 unsigned int addr_changed:1; 155 unsigned int get_features_vendor_cmd_avail:1; 156 unsigned int set_rekey_offload:1; 157 unsigned int p2p_go_ctwindow_supported:1; 158 unsigned int setband_vendor_cmd_avail:1; 159 unsigned int get_pref_freq_list:1; 160 unsigned int set_prob_oper_freq:1; 161 unsigned int scan_vendor_cmd_avail:1; 162 unsigned int connect_reassoc:1; 163 unsigned int set_wifi_conf_vendor_cmd_avail:1; 164 unsigned int he_capab_vendor_cmd_avail:1; 165 unsigned int fetch_bss_trans_status:1; 166 unsigned int roam_vendor_cmd_avail:1; 167 168 u64 vendor_scan_cookie; 169 u64 remain_on_chan_cookie; 170 u64 send_action_cookie; 171 #define MAX_SEND_ACTION_COOKIES 20 172 u64 send_action_cookies[MAX_SEND_ACTION_COOKIES]; 173 unsigned int num_send_action_cookies; 174 175 unsigned int last_mgmt_freq; 176 177 struct wpa_driver_scan_filter *filter_ssids; 178 size_t num_filter_ssids; 179 180 struct i802_bss *first_bss; 181 182 int eapol_tx_sock; 183 184 int eapol_sock; /* socket for EAPOL frames */ 185 186 struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ 187 188 int default_if_indices[16]; 189 /* the AP/AP_VLAN iface that is in this bridge */ 190 int default_if_indices_reason[16]; 191 int *if_indices; 192 int *if_indices_reason; 193 int num_if_indices; 194 195 /* From failed authentication command */ 196 int auth_freq; 197 u8 auth_bssid_[ETH_ALEN]; 198 u8 auth_ssid[SSID_MAX_LEN]; 199 size_t auth_ssid_len; 200 int auth_alg; 201 u8 *auth_ie; 202 size_t auth_ie_len; 203 u8 auth_wep_key[4][16]; 204 size_t auth_wep_key_len[4]; 205 int auth_wep_tx_keyidx; 206 int auth_local_state_change; 207 int auth_p2p; 208 209 /* 210 * Tells whether the last scan issued from wpa_supplicant was a normal 211 * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan 212 * (NL80211_CMD_VENDOR). 0 if no pending scan request. 213 */ 214 int last_scan_cmd; 215 216 struct he_capabilities he_capab; 217 }; 218 219 struct nl_msg; 220 221 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, 222 struct nl_msg *msg, int flags, uint8_t cmd); 223 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); 224 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, 225 uint8_t cmd); 226 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); 227 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, 228 int (*valid_handler)(struct nl_msg *, void *), 229 void *valid_data); 230 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, 231 const char *ifname, enum nl80211_iftype iftype, 232 const u8 *addr, int wds, 233 int (*handler)(struct nl_msg *, void *), 234 void *arg, int use_existing); 235 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); 236 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); 237 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid); 238 enum chan_width convert2width(int width); 239 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); 240 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, 241 int ifindex); 242 int is_ap_interface(enum nl80211_iftype nlmode); 243 int is_sta_interface(enum nl80211_iftype nlmode); 244 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); 245 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, 246 struct wpa_signal_info *sig); 247 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, 248 struct wpa_signal_info *sig_change); 249 int nl80211_get_wiphy_index(struct i802_bss *bss); 250 int wpa_driver_nl80211_set_mode(struct i802_bss *bss, 251 enum nl80211_iftype nlmode); 252 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, 253 const u8 *addr, int cmd, u16 reason_code, 254 int local_state_change); 255 256 int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); 257 void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); 258 int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, 259 const void *data, size_t len, 260 int encrypt, int noack); 261 262 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); 263 struct hostapd_hw_modes * 264 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 265 u8 *dfs_domain); 266 267 int process_global_event(struct nl_msg *msg, void *arg); 268 int process_bss_event(struct nl_msg *msg, void *arg); 269 270 const char * nl80211_iftype_str(enum nl80211_iftype mode); 271 272 #ifdef ANDROID 273 int android_nl_socket_set_nonblocking(struct nl_handle *handle); 274 int android_pno_start(struct i802_bss *bss, 275 struct wpa_driver_scan_params *params); 276 int android_pno_stop(struct i802_bss *bss); 277 extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, 278 size_t buf_len); 279 280 #ifdef ANDROID_P2P 281 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); 282 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); 283 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); 284 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, 285 const struct wpabuf *proberesp, 286 const struct wpabuf *assocresp); 287 #endif /* ANDROID_P2P */ 288 #endif /* ANDROID */ 289 290 291 /* driver_nl80211_scan.c */ 292 293 void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); 294 int wpa_driver_nl80211_scan(struct i802_bss *bss, 295 struct wpa_driver_scan_params *params); 296 int wpa_driver_nl80211_sched_scan(void *priv, 297 struct wpa_driver_scan_params *params); 298 int wpa_driver_nl80211_stop_sched_scan(void *priv); 299 struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv); 300 void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); 301 int wpa_driver_nl80211_abort_scan(void *priv, u64 scan_cookie); 302 int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, 303 struct wpa_driver_scan_params *params); 304 int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len); 305 306 #endif /* DRIVER_NL80211_H */ 307