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