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 #ifndef NL_CAPABILITY_VERSION_3_5_0 21 #define nla_nest_start(msg, attrtype) \ 22 nla_nest_start(msg, NLA_F_NESTED | (attrtype)) 23 #endif 24 25 struct nl80211_global { 26 void *ctx; 27 struct dl_list interfaces; 28 int if_add_ifindex; 29 u64 if_add_wdevid; 30 int if_add_wdevid_set; 31 struct netlink_data *netlink; 32 struct nl_cb *nl_cb; 33 struct nl_sock *nl; 34 int nl80211_id; 35 int nlctrl_id; 36 int ioctl_sock; /* socket for ioctl() use */ 37 struct nl_sock *nl_event; 38 u8 p2p_perm_addr[ETH_ALEN]; 39 }; 40 41 struct nl80211_wiphy_data { 42 struct dl_list list; 43 struct dl_list bsss; 44 struct dl_list drvs; 45 46 struct nl_sock *nl_beacons; 47 struct nl_cb *nl_cb; 48 49 int wiphy_idx; 50 }; 51 52 #define NL80211_DRV_LINK_ID_NA (-1) 53 54 struct i802_link { 55 unsigned int beacon_set:1; 56 57 s8 link_id; 58 int freq; 59 int bandwidth; 60 u8 addr[ETH_ALEN]; 61 void *ctx; 62 }; 63 64 struct i802_bss { 65 struct wpa_driver_nl80211_data *drv; 66 struct i802_bss *next; 67 68 size_t n_links; 69 struct i802_link links[MAX_NUM_MLD_LINKS]; 70 struct i802_link *flink; 71 72 int ifindex; 73 int br_ifindex; 74 u64 wdev_id; 75 char ifname[IFNAMSIZ + 1]; 76 char brname[IFNAMSIZ]; 77 unsigned int added_if_into_bridge:1; 78 unsigned int already_in_bridge:1; 79 unsigned int added_bridge:1; 80 unsigned int in_deinit:1; 81 unsigned int wdev_id_set:1; 82 unsigned int added_if:1; 83 unsigned int static_ap:1; 84 unsigned int use_nl_connect:1; 85 86 u8 addr[ETH_ALEN]; 87 u8 prev_addr[ETH_ALEN]; 88 89 int if_dynamic; 90 91 void *ctx; 92 struct nl_sock *nl_preq, *nl_mgmt, *nl_connect; 93 struct nl_cb *nl_cb; 94 95 struct nl80211_wiphy_data *wiphy_data; 96 struct dl_list wiphy_list; 97 u8 rand_addr[ETH_ALEN]; 98 }; 99 100 struct drv_nl80211_if_info { 101 int ifindex; 102 /* the AP/AP_VLAN iface that is in this bridge */ 103 int reason; 104 }; 105 106 struct wpa_driver_nl80211_data { 107 struct nl80211_global *global; 108 struct dl_list list; 109 struct dl_list wiphy_list; 110 char phyname[32]; 111 unsigned int wiphy_idx; 112 u8 perm_addr[ETH_ALEN]; 113 void *ctx; 114 int ifindex; 115 int if_removed; 116 int if_disabled; 117 int ignore_if_down_event; 118 struct rfkill_data *rfkill; 119 struct wpa_driver_capa capa; 120 u8 *extended_capa, *extended_capa_mask; 121 unsigned int extended_capa_len; 122 struct drv_nl80211_iface_capa { 123 enum nl80211_iftype iftype; 124 u8 *ext_capa, *ext_capa_mask; 125 unsigned int ext_capa_len; 126 u16 eml_capa; 127 u16 mld_capa_and_ops; 128 } iface_capa[NL80211_IFTYPE_MAX]; 129 unsigned int num_iface_capa; 130 131 int has_capability; 132 int has_driver_key_mgmt; 133 134 int operstate; 135 136 int scan_complete_events; 137 enum scan_states { 138 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 139 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 140 SCHED_SCAN_RESULTS 141 } scan_state; 142 143 u8 auth_bssid[ETH_ALEN]; 144 u8 auth_attempt_bssid[ETH_ALEN]; 145 u8 bssid[ETH_ALEN]; 146 u8 prev_bssid[ETH_ALEN]; 147 int associated; 148 struct driver_sta_mlo_info sta_mlo_info; 149 u8 ssid[SSID_MAX_LEN]; 150 size_t ssid_len; 151 enum nl80211_iftype nlmode; 152 enum nl80211_iftype ap_scan_as_station; 153 unsigned int assoc_freq; 154 155 int monitor_sock; 156 int monitor_ifidx; 157 int monitor_refcount; 158 159 unsigned int disabled_11b_rates:1; 160 unsigned int pending_remain_on_chan:1; 161 unsigned int in_interface_list:1; 162 unsigned int device_ap_sme:1; 163 unsigned int poll_command_supported:1; 164 unsigned int data_tx_status:1; 165 unsigned int scan_for_auth:1; 166 unsigned int retry_auth:1; 167 unsigned int use_monitor:1; 168 unsigned int ignore_next_local_disconnect:1; 169 unsigned int ignore_next_local_deauth:1; 170 unsigned int hostapd:1; 171 unsigned int start_mode_sta:1; 172 unsigned int start_iface_up:1; 173 unsigned int test_use_roc_tx:1; 174 unsigned int ignore_deauth_event:1; 175 unsigned int vendor_cmd_test_avail:1; 176 unsigned int roaming_vendor_cmd_avail:1; 177 unsigned int dfs_vendor_cmd_avail:1; 178 unsigned int have_low_prio_scan:1; 179 unsigned int force_connect_cmd:1; 180 unsigned int addr_changed:1; 181 unsigned int get_features_vendor_cmd_avail:1; 182 unsigned int set_rekey_offload:1; 183 unsigned int p2p_go_ctwindow_supported:1; 184 unsigned int setband_vendor_cmd_avail:1; 185 unsigned int get_pref_freq_list:1; 186 unsigned int set_prob_oper_freq:1; 187 unsigned int scan_vendor_cmd_avail:1; 188 unsigned int connect_reassoc:1; 189 unsigned int set_wifi_conf_vendor_cmd_avail:1; 190 unsigned int fetch_bss_trans_status:1; 191 unsigned int roam_vendor_cmd_avail:1; 192 unsigned int add_sta_node_vendor_cmd_avail:1; 193 unsigned int control_port_ap:1; 194 unsigned int multicast_registrations:1; 195 unsigned int no_rrm:1; 196 unsigned int get_sta_info_vendor_cmd_avail:1; 197 unsigned int fils_discovery:1; 198 unsigned int unsol_bcast_probe_resp:1; 199 unsigned int qca_do_acs:1; 200 unsigned int brcm_do_acs:1; 201 unsigned int uses_6ghz:1; 202 unsigned int secure_ranging_ctx_vendor_cmd_avail:1; 203 unsigned int puncturing:1; 204 unsigned int qca_ap_allowed_freqs:1; 205 206 u64 vendor_scan_cookie; 207 u64 remain_on_chan_cookie; 208 u64 send_frame_cookie; 209 int send_frame_link_id; 210 #define MAX_SEND_FRAME_COOKIES 20 211 u64 send_frame_cookies[MAX_SEND_FRAME_COOKIES]; 212 unsigned int num_send_frame_cookies; 213 u64 eapol_tx_cookie; 214 int eapol_tx_link_id; 215 216 unsigned int last_mgmt_freq; 217 218 struct wpa_driver_scan_filter *filter_ssids; 219 size_t num_filter_ssids; 220 221 struct i802_bss *first_bss; 222 223 int eapol_tx_sock; 224 225 int eapol_sock; /* socket for EAPOL frames */ 226 227 struct nl_sock *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ 228 229 struct drv_nl80211_if_info default_if_indices[16]; 230 struct drv_nl80211_if_info *if_indices; 231 int num_if_indices; 232 233 /* From failed authentication command */ 234 int auth_freq; 235 u8 auth_bssid_[ETH_ALEN]; 236 u8 auth_ssid[SSID_MAX_LEN]; 237 size_t auth_ssid_len; 238 int auth_alg; 239 u8 *auth_ie; 240 size_t auth_ie_len; 241 u8 *auth_data; 242 size_t auth_data_len; 243 u8 auth_wep_key[4][16]; 244 size_t auth_wep_key_len[4]; 245 int auth_wep_tx_keyidx; 246 int auth_local_state_change; 247 int auth_p2p; 248 bool auth_mld; 249 u8 auth_mld_link_id; 250 u8 auth_ap_mld_addr[ETH_ALEN]; 251 252 /* 253 * Tells whether the last scan issued from wpa_supplicant was a normal 254 * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan 255 * (NL80211_CMD_VENDOR). 0 if no pending scan request. 256 */ 257 int last_scan_cmd; 258 #if defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA) 259 unsigned int vendor_set_pmk:1; /* for legacy set_pmk method before NL80211_CMD_SET_PMK */ 260 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */ 261 #ifdef CONFIG_DRIVER_NL80211_QCA 262 bool roam_indication_done; 263 u8 *pending_roam_data; 264 size_t pending_roam_data_len; 265 u8 *pending_t2lm_data; 266 size_t pending_t2lm_data_len; 267 u8 *pending_link_reconfig_data; 268 size_t pending_link_reconfig_data_len; 269 #endif /* CONFIG_DRIVER_NL80211_QCA */ 270 }; 271 272 struct nl_msg; 273 274 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, 275 struct nl_msg *msg, int flags, uint8_t cmd); 276 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); 277 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, 278 uint8_t cmd); 279 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); 280 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, 281 int (*valid_handler)(struct nl_msg *, void *), 282 void *valid_data, 283 int (*ack_handler_custom)(struct nl_msg *, void *), 284 void *ack_data); 285 struct nl_sock * get_connect_handle(struct i802_bss *bss); 286 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, 287 const char *ifname, enum nl80211_iftype iftype, 288 const u8 *addr, int wds, 289 int (*handler)(struct nl_msg *, void *), 290 void *arg, int use_existing); 291 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); 292 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); 293 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid); 294 enum chan_width convert2width(int width); 295 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); 296 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, 297 int ifindex); 298 int is_ap_interface(enum nl80211_iftype nlmode); 299 int is_sta_interface(enum nl80211_iftype nlmode); 300 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); 301 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, 302 const u8 *bssid, 303 struct hostap_sta_driver_data *data); 304 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, 305 struct wpa_signal_info *sig_change); 306 int nl80211_get_wiphy_index(struct i802_bss *bss); 307 int wpa_driver_nl80211_set_mode(struct i802_bss *bss, 308 enum nl80211_iftype nlmode); 309 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, 310 const u8 *addr, int cmd, u16 reason_code, 311 int local_state_change, 312 struct i802_bss *bss); 313 314 int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); 315 void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); 316 int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, 317 const void *data, size_t len, 318 int encrypt, int noack); 319 320 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); 321 struct hostapd_hw_modes * 322 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 323 u8 *dfs_domain); 324 325 int process_global_event(struct nl_msg *msg, void *arg); 326 int process_bss_event(struct nl_msg *msg, void *arg); 327 328 const char * nl80211_iftype_str(enum nl80211_iftype mode); 329 330 void nl80211_restore_ap_mode(struct i802_bss *bss); 331 struct i802_link * nl80211_get_link(struct i802_bss *bss, s8 link_id); 332 333 #ifdef ANDROID 334 int android_nl_socket_set_nonblocking(struct nl_sock *handle); 335 int android_pno_start(struct i802_bss *bss, 336 struct wpa_driver_scan_params *params); 337 int android_pno_stop(struct i802_bss *bss); 338 extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, 339 size_t buf_len); 340 extern int wpa_driver_nl80211_driver_event(struct wpa_driver_nl80211_data *drv, 341 u32 vendor_id, u32 subcmd, 342 u8 *data, size_t len); 343 344 345 #ifdef ANDROID_P2P 346 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); 347 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); 348 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); 349 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, 350 const struct wpabuf *proberesp, 351 const struct wpabuf *assocresp); 352 #endif /* ANDROID_P2P */ 353 #endif /* ANDROID */ 354 355 356 /* driver_nl80211_scan.c */ 357 358 void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); 359 int wpa_driver_nl80211_scan(struct i802_bss *bss, 360 struct wpa_driver_scan_params *params); 361 int wpa_driver_nl80211_sched_scan(void *priv, 362 struct wpa_driver_scan_params *params); 363 int wpa_driver_nl80211_stop_sched_scan(void *priv); 364 struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv); 365 void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); 366 int wpa_driver_nl80211_abort_scan(void *priv, u64 scan_cookie); 367 int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, 368 struct wpa_driver_scan_params *params); 369 int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len); 370 371 #endif /* DRIVER_NL80211_H */ 372