Set default scan IEs to the driver (QCA vendor extension)
[mech_eap.git] / src / drivers / driver_nl80211.h
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 };
82
83 struct wpa_driver_nl80211_data {
84         struct nl80211_global *global;
85         struct dl_list list;
86         struct dl_list wiphy_list;
87         char phyname[32];
88         unsigned int wiphy_idx;
89         u8 perm_addr[ETH_ALEN];
90         void *ctx;
91         int ifindex;
92         int if_removed;
93         int if_disabled;
94         int ignore_if_down_event;
95         struct rfkill_data *rfkill;
96         struct wpa_driver_capa capa;
97         u8 *extended_capa, *extended_capa_mask;
98         unsigned int extended_capa_len;
99         struct drv_nl80211_ext_capa {
100                 enum nl80211_iftype iftype;
101                 u8 *ext_capa, *ext_capa_mask;
102                 unsigned int ext_capa_len;
103         } iface_ext_capa[NL80211_IFTYPE_MAX];
104         unsigned int num_iface_ext_capa;
105
106         int has_capability;
107
108         int operstate;
109
110         int scan_complete_events;
111         enum scan_states {
112                 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
113                 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
114                 SCHED_SCAN_RESULTS
115         } scan_state;
116
117         u8 auth_bssid[ETH_ALEN];
118         u8 auth_attempt_bssid[ETH_ALEN];
119         u8 bssid[ETH_ALEN];
120         u8 prev_bssid[ETH_ALEN];
121         int associated;
122         u8 ssid[SSID_MAX_LEN];
123         size_t ssid_len;
124         enum nl80211_iftype nlmode;
125         enum nl80211_iftype ap_scan_as_station;
126         unsigned int assoc_freq;
127
128         int monitor_sock;
129         int monitor_ifidx;
130         int monitor_refcount;
131
132         unsigned int disabled_11b_rates:1;
133         unsigned int pending_remain_on_chan:1;
134         unsigned int in_interface_list:1;
135         unsigned int device_ap_sme:1;
136         unsigned int poll_command_supported:1;
137         unsigned int data_tx_status:1;
138         unsigned int scan_for_auth:1;
139         unsigned int retry_auth:1;
140         unsigned int use_monitor:1;
141         unsigned int ignore_next_local_disconnect:1;
142         unsigned int ignore_next_local_deauth:1;
143         unsigned int hostapd:1;
144         unsigned int start_mode_ap:1;
145         unsigned int start_iface_up:1;
146         unsigned int test_use_roc_tx:1;
147         unsigned int ignore_deauth_event:1;
148         unsigned int vendor_cmd_test_avail:1;
149         unsigned int roaming_vendor_cmd_avail:1;
150         unsigned int dfs_vendor_cmd_avail:1;
151         unsigned int have_low_prio_scan:1;
152         unsigned int force_connect_cmd:1;
153         unsigned int addr_changed:1;
154         unsigned int get_features_vendor_cmd_avail:1;
155         unsigned int set_rekey_offload:1;
156         unsigned int p2p_go_ctwindow_supported:1;
157         unsigned int setband_vendor_cmd_avail:1;
158         unsigned int get_pref_freq_list:1;
159         unsigned int set_prob_oper_freq:1;
160         unsigned int scan_vendor_cmd_avail:1;
161         unsigned int connect_reassoc:1;
162         unsigned int set_wifi_conf_vendor_cmd_avail:1;
163
164         u64 vendor_scan_cookie;
165         u64 remain_on_chan_cookie;
166         u64 send_action_cookie;
167 #define MAX_SEND_ACTION_COOKIES 20
168         u64 send_action_cookies[MAX_SEND_ACTION_COOKIES];
169         unsigned int num_send_action_cookies;
170
171         unsigned int last_mgmt_freq;
172
173         struct wpa_driver_scan_filter *filter_ssids;
174         size_t num_filter_ssids;
175
176         struct i802_bss *first_bss;
177
178         int eapol_tx_sock;
179
180         int eapol_sock; /* socket for EAPOL frames */
181
182         struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */
183
184         int default_if_indices[16];
185         /* the AP/AP_VLAN iface that is in this bridge */
186         int default_if_indices_reason[16];
187         int *if_indices;
188         int *if_indices_reason;
189         int num_if_indices;
190
191         /* From failed authentication command */
192         int auth_freq;
193         u8 auth_bssid_[ETH_ALEN];
194         u8 auth_ssid[SSID_MAX_LEN];
195         size_t auth_ssid_len;
196         int auth_alg;
197         u8 *auth_ie;
198         size_t auth_ie_len;
199         u8 auth_wep_key[4][16];
200         size_t auth_wep_key_len[4];
201         int auth_wep_tx_keyidx;
202         int auth_local_state_change;
203         int auth_p2p;
204
205         /*
206          * Tells whether the last scan issued from wpa_supplicant was a normal
207          * scan (NL80211_CMD_TRIGGER_SCAN) or a vendor scan
208          * (NL80211_CMD_VENDOR). 0 if no pending scan request.
209          */
210         int last_scan_cmd;
211 };
212
213 struct nl_msg;
214
215 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
216                    struct nl_msg *msg, int flags, uint8_t cmd);
217 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd);
218 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
219                                 uint8_t cmd);
220 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd);
221 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg,
222                        int (*valid_handler)(struct nl_msg *, void *),
223                        void *valid_data);
224 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
225                          const char *ifname, enum nl80211_iftype iftype,
226                          const u8 *addr, int wds,
227                          int (*handler)(struct nl_msg *, void *),
228                          void *arg, int use_existing);
229 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx);
230 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv);
231 enum chan_width convert2width(int width);
232 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv);
233 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
234                                   int ifindex);
235 int is_ap_interface(enum nl80211_iftype nlmode);
236 int is_sta_interface(enum nl80211_iftype nlmode);
237 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv);
238 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
239                             struct wpa_signal_info *sig);
240 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
241                            struct wpa_signal_info *sig_change);
242 int nl80211_get_wiphy_index(struct i802_bss *bss);
243 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
244                                 enum nl80211_iftype nlmode);
245 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
246                             const u8 *addr, int cmd, u16 reason_code,
247                             int local_state_change);
248
249 int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv);
250 void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv);
251 int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv,
252                          const void *data, size_t len,
253                          int encrypt, int noack);
254
255 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv);
256 struct hostapd_hw_modes *
257 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
258
259 int process_global_event(struct nl_msg *msg, void *arg);
260 int process_bss_event(struct nl_msg *msg, void *arg);
261
262 const char * nl80211_iftype_str(enum nl80211_iftype mode);
263
264 #ifdef ANDROID
265 int android_nl_socket_set_nonblocking(struct nl_handle *handle);
266 int android_pno_start(struct i802_bss *bss,
267                       struct wpa_driver_scan_params *params);
268 int android_pno_stop(struct i802_bss *bss);
269 extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
270                                          size_t buf_len);
271
272 #ifdef ANDROID_P2P
273 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration);
274 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len);
275 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow);
276 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
277                                  const struct wpabuf *proberesp,
278                                  const struct wpabuf *assocresp);
279 #endif /* ANDROID_P2P */
280 #endif /* ANDROID */
281
282
283 /* driver_nl80211_scan.c */
284
285 struct nl80211_bss_info_arg {
286         struct wpa_driver_nl80211_data *drv;
287         struct wpa_scan_results *res;
288         unsigned int assoc_freq;
289         unsigned int ibss_freq;
290         u8 assoc_bssid[ETH_ALEN];
291 };
292
293 int bss_info_handler(struct nl_msg *msg, void *arg);
294 void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx);
295 int wpa_driver_nl80211_scan(struct i802_bss *bss,
296                             struct wpa_driver_scan_params *params);
297 int wpa_driver_nl80211_sched_scan(void *priv,
298                                   struct wpa_driver_scan_params *params);
299 int wpa_driver_nl80211_stop_sched_scan(void *priv);
300 struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv);
301 void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv);
302 int wpa_driver_nl80211_abort_scan(void *priv);
303 int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss,
304                                    struct wpa_driver_scan_params *params);
305 int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len);
306
307 #endif /* DRIVER_NL80211_H */