1 /* 2 * Driver interaction with Linux nl80211/cfg80211 - definitions 3 * Copyright (c) 2002-2014, Jouni Malinen <j (at) 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 (at) 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 unsigned int nl80211_maxattr; 36 int nlctrl_id; 37 int ioctl_sock; /* socket for ioctl() use */ 38 39 struct nl_sock *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_sock *nl_beacons; 48 struct nl_cb *nl_cb; 49 50 int wiphy_idx; 51 }; 52 53 #define NL80211_DRV_LINK_ID_NA (-1) 54 55 struct i802_link { 56 unsigned int beacon_set:1; 57 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 u16 valid_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 85 u8 addr[ETH_ALEN]; 86 u8 prev_addr[ETH_ALEN]; 87 88 int if_dynamic; 89 90 void *ctx; 91 struct nl_sock *nl_preq, *nl_mgmt, *nl_connect; 92 struct nl_cb *nl_cb; 93 94 struct nl80211_wiphy_data *wiphy_data; 95 struct dl_list wiphy_list; 96 u8 rand_addr[ETH_ALEN]; 97 }; 98 99 struct drv_nl80211_if_info { 100 int ifindex; 101 /* the AP/AP_VLAN iface that is in this bridge */ 102 int reason; 103 }; 104 105 struct wpa_driver_nl80211_data { 106 struct nl80211_global *global; 107 struct dl_list list; 108 struct dl_list wiphy_list; 109 char phyname[32]; 110 unsigned int wiphy_idx; 111 u8 perm_addr[ETH_ALEN]; 112 void *ctx; 113 int ifindex; 114 int if_removed; 115 int if_disabled; 116 int ignore_if_down_event; 117 struct rfkill_data *rfkill; 118 struct wpa_driver_capa capa; 119 u8 *extended_capa, *extended_capa_mask; 120 unsigned int extended_capa_len; 121 struct drv_nl80211_iface_capa { 122 enum nl80211_iftype iftype; 123 u8 *ext_capa, *ext_capa_mask; 124 unsigned int ext_capa_len; 125 u16 eml_capa; 126 u16 mld_capa_and_ops; 127 } iface_capa[NL80211_IFTYPE_MAX]; 128 unsigned int num_iface_capa; 129 130 int has_capability; 131 int has_driver_key_mgmt; 132 133 int operstate; 134 135 int scan_complete_events; 136 enum scan_states { 137 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, 138 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, 139 SCHED_SCAN_RESULTS 140 } scan_state; 141 142 u8 auth_bssid[ETH_ALEN]; 143 u8 auth_attempt_bssid[ETH_ALEN]; 144 u8 bssid[ETH_ALEN]; 145 u8 prev_bssid[ETH_ALEN]; 146 int associated; 147 struct driver_sta_mlo_info sta_mlo_info; 148 u8 ssid[SSID_MAX_LEN]; 149 size_t ssid_len; 150 enum nl80211_iftype nlmode; 151 enum nl80211_iftype ap_scan_as_station; 152 unsigned int assoc_freq; 153 154 int monitor_sock; 155 int monitor_ifidx; 156 int monitor_refcount; 157 158 unsigned int disabled_11b_rates:1; 159 unsigned int pending_remain_on_chan:1; 160 unsigned int in_interface_list:1; 161 unsigned int device_ap_sme:1; 162 unsigned int poll_command_supported:1; 163 unsigned int data_tx_status:1; 164 unsigned int scan_for_auth:1; 165 unsigned int retry_auth:1; 166 unsigned int use_monitor:1; 167 unsigned int hostapd:1; 168 unsigned int start_mode_sta:1; 169 unsigned int start_iface_up:1; 170 unsigned int test_use_roc_tx:1; 171 unsigned int ignore_deauth_event:1; 172 unsigned int vendor_cmd_test_avail:1; 173 unsigned int roaming_vendor_cmd_avail:1; 174 unsigned int dfs_vendor_cmd_avail:1; 175 unsigned int have_low_prio_scan:1; 176 unsigned int force_connect_cmd:1; 177 unsigned int addr_changed:1; 178 unsigned int get_features_vendor_cmd_avail:1; 179 unsigned int set_rekey_offload:1; 180 unsigned int p2p_go_ctwindow_supported:1; 181 unsigned int setband_vendor_cmd_avail:1; 182 unsigned int get_pref_freq_list:1; 183 unsigned int set_prob_oper_freq:1; 184 unsigned int scan_vendor_cmd_avail:1; 185 unsigned int connect_reassoc:1; 186 unsigned int set_wifi_conf_vendor_cmd_avail:1; 187 unsigned int fetch_bss_trans_status:1; 188 unsigned int roam_vendor_cmd_avail:1; 189 unsigned int add_sta_node_vendor_cmd_avail:1; 190 unsigned int control_port_ap:1; 191 unsigned int multicast_registrations:1; 192 unsigned int no_rrm:1; 193 unsigned int get_sta_info_vendor_cmd_avail:1; 194 unsigned int fils_discovery:1; 195 unsigned int unsol_bcast_probe_resp:1; 196 unsigned int qca_do_acs:1; 197 unsigned int brcm_do_acs:1; 198 unsigned int uses_6ghz:1; 199 unsigned int uses_s1g:1; 200 unsigned int secure_ranging_ctx_vendor_cmd_avail:1; 201 unsigned int puncturing:1; 202 unsigned int qca_ap_allowed_freqs:1; 203 204 u32 ignore_next_local_disconnect; 205 u32 ignore_next_local_deauth; 206 207 u64 vendor_scan_cookie; 208 u64 remain_on_chan_cookie; 209 u64 send_frame_cookie; 210 int send_frame_link_id; 211 #define MAX_SEND_FRAME_COOKIES 20 212 u64 send_frame_cookies[MAX_SEND_FRAME_COOKIES]; 213 unsigned int num_send_frame_cookies; 214 u64 eapol_tx_cookie; 215 int eapol_tx_link_id; 216 217 unsigned int last_mgmt_freq; 218 219 struct wpa_driver_scan_filter *filter_ssids; 220 size_t num_filter_ssids; 221 222 struct i802_bss *first_bss; 223 224 int eapol_tx_sock; 225 226 int eapol_sock; /* socket for EAPOL frames */ 227 228 struct nl_sock *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ 229 230 struct drv_nl80211_if_info default_if_indices[16]; 231 struct drv_nl80211_if_info *if_indices; 232 int num_if_indices; 233 234 /* From failed authentication command */ 235 int auth_freq; 236 u8 auth_bssid_[ETH_ALEN]; 237 u8 auth_ssid[SSID_MAX_LEN]; 238 size_t auth_ssid_len; 239 int auth_alg; 240 u8 *auth_ie; 241 size_t auth_ie_len; 242 u8 *auth_data; 243 size_t auth_data_len; 244 u8 auth_wep_key[4][16]; 245 size_t auth_wep_key_len[4]; 246 int auth_wep_tx_keyidx; 247 int auth_local_state_change; 248 int auth_p2p; 249 bool auth_mld; 250 u8 auth_mld_link_id; 251 u8 auth_ap_mld_addr[ETH_ALEN]; 252 253 /* 254 * Tells whether the last scan issued from wpa_supplicant was a normal 255 * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan 256 * (NL80211_CMD_VENDOR). 0 if no pending scan request. 257 */ 258 int last_scan_cmd; 259 #ifdef CONFIG_DRIVER_NL80211_QCA 260 bool roam_indication_done; 261 u8 *pending_roam_data; 262 size_t pending_roam_data_len; 263 u8 *pending_t2lm_data; 264 size_t pending_t2lm_data_len; 265 u8 *pending_link_reconfig_data; 266 size_t pending_link_reconfig_data_len; 267 #endif /* CONFIG_DRIVER_NL80211_QCA */ 268 }; 269 270 struct nl_msg; 271 272 struct nl80211_err_info { 273 int link_id; 274 }; 275 276 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, 277 struct nl_msg *msg, int flags, uint8_t cmd); 278 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd); 279 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, 280 uint8_t cmd); 281 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd); 282 283 int send_and_recv(struct nl80211_global *global, 284 struct nl_sock *nl_handle, struct nl_msg *msg, 285 int (*valid_handler)(struct nl_msg *, void *), 286 void *valid_data, 287 int (*ack_handler_custom)(struct nl_msg *, void *), 288 void *ack_data, 289 struct nl80211_err_info *err_info); 290 291 static inline int 292 send_and_recv_cmd(struct wpa_driver_nl80211_data *drv, 293 struct nl_msg *msg) 294 { 295 return send_and_recv(drv->global, drv->global->nl, msg, 296 NULL, NULL, NULL, NULL, NULL); 297 } 298 299 static inline int 300 send_and_recv_resp(struct wpa_driver_nl80211_data *drv, 301 struct nl_msg *msg, 302 int (*valid_handler)(struct nl_msg *, void *), 303 void *valid_data) 304 { 305 return send_and_recv(drv->global, drv->global->nl, msg, 306 valid_handler, valid_data, NULL, NULL, NULL); 307 } 308 309 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, 310 const char *ifname, enum nl80211_iftype iftype, 311 const u8 *addr, int wds, 312 int (*handler)(struct nl_msg *, void *), 313 void *arg, int use_existing); 314 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx); 315 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv); 316 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid); 317 enum chan_width convert2width(int width); 318 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv); 319 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, 320 int ifindex); 321 int is_ap_interface(enum nl80211_iftype nlmode); 322 int is_sta_interface(enum nl80211_iftype nlmode); 323 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv); 324 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, 325 const u8 *bssid, 326 struct hostap_sta_driver_data *data); 327 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, 328 struct wpa_signal_info *sig_change); 329 int nl80211_get_wiphy_index(struct i802_bss *bss); 330 int wpa_driver_nl80211_set_mode(struct i802_bss *bss, 331 enum nl80211_iftype nlmode); 332 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, 333 const u8 *addr, int cmd, u16 reason_code, 334 int local_state_change, 335 struct i802_bss *bss); 336 337 int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv); 338 void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv); 339 int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, 340 const void *data, size_t len, 341 int encrypt, int noack); 342 343 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv); 344 struct hostapd_hw_modes * 345 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 346 u8 *dfs_domain); 347 348 int process_global_event(struct nl_msg *msg, void *arg); 349 int process_bss_event(struct nl_msg *msg, void *arg); 350 351 const char * nl80211_iftype_str(enum nl80211_iftype mode); 352 353 void nl80211_restore_ap_mode(struct i802_bss *bss); 354 struct i802_link * nl80211_get_link(struct i802_bss *bss, s8 link_id); 355 356 static inline bool nl80211_link_valid(u16 links, s8 link_id) 357 { 358 if (link_id < 0 || link_id >= MAX_NUM_MLD_LINKS) 359 return false; 360 361 if (links & BIT(link_id)) 362 return true; 363 364 return false; 365 } 366 367 368 static inline bool 369 nl80211_attr_supported(struct wpa_driver_nl80211_data *drv, unsigned int attr) 370 { 371 return attr <= drv->global->nl80211_maxattr; 372 } 373 374 #ifdef ANDROID 375 int android_nl_socket_set_nonblocking(struct nl_sock *handle); 376 int android_pno_start(struct i802_bss *bss, 377 struct wpa_driver_scan_params *params); 378 int android_pno_stop(struct i802_bss *bss); 379 extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, 380 size_t buf_len); 381 extern int wpa_driver_nl80211_driver_event(struct wpa_driver_nl80211_data *drv, 382 u32 vendor_id, u32 subcmd, 383 u8 *data, size_t len); 384 385 386 #ifdef ANDROID_P2P 387 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); 388 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); 389 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); 390 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, 391 const struct wpabuf *proberesp, 392 const struct wpabuf *assocresp); 393 #endif /* ANDROID_P2P */ 394 #endif /* ANDROID */ 395 396 397 /* driver_nl80211_scan.c */ 398 399 void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); 400 int wpa_driver_nl80211_scan(struct i802_bss *bss, 401 struct wpa_driver_scan_params *params); 402 int wpa_driver_nl80211_sched_scan(void *priv, 403 struct wpa_driver_scan_params *params); 404 int wpa_driver_nl80211_stop_sched_scan(void *priv); 405 struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv, 406 const u8 *bssid); 407 void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv); 408 int wpa_driver_nl80211_abort_scan(void *priv, u64 scan_cookie); 409 int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, 410 struct wpa_driver_scan_params *params); 411 int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len); 412 413 #endif /* DRIVER_NL80211_H */ 414
Indexes created Wed Sep 16 00:24:39 UTC 2026