2 * Common driver-related functions
3 * Copyright (c) 2003-2017, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
10 #include "utils/common.h"
13 void wpa_scan_results_free(struct wpa_scan_results *res)
20 for (i = 0; i < res->num; i++)
27 const char * event_to_string(enum wpa_event_type event)
29 #define E2S(n) case EVENT_ ## n: return #n
33 E2S(MICHAEL_MIC_FAILURE);
36 E2S(INTERFACE_STATUS);
46 E2S(WPS_BUTTON_PUSHED);
50 E2S(REMAIN_ON_CHANNEL);
51 E2S(CANCEL_REMAIN_ON_CHANNEL);
56 E2S(INTERFACE_ENABLED);
57 E2S(INTERFACE_DISABLED);
58 E2S(CHANNEL_LIST_CHANGED);
59 E2S(INTERFACE_UNAVAILABLE);
65 E2S(DRIVER_GTK_REKEY);
66 E2S(SCHED_SCAN_STOPPED);
67 E2S(DRIVER_CLIENT_POLL_OK);
70 E2S(CH_SWITCH_STARTED);
72 E2S(CONNECT_FAILED_REASON);
73 E2S(DFS_RADAR_DETECTED);
74 E2S(DFS_CAC_FINISHED);
76 E2S(DFS_NOP_FINISHED);
79 E2S(AVOID_FREQUENCIES);
80 E2S(NEW_PEER_CANDIDATE);
81 E2S(ACS_CHANNEL_SELECTED);
85 E2S(DFS_PRE_CAC_EXPIRED);
88 E2S(STATION_OPMODE_CHANGED);
89 E2S(INTERFACE_MAC_CHANGED);
90 E2S(WDS_STA_INTERFACE_STATUS);
99 const char * channel_width_to_string(enum chan_width width)
102 case CHAN_WIDTH_20_NOHT:
103 return "20 MHz (no HT)";
110 case CHAN_WIDTH_80P80:
120 int channel_width_to_int(enum chan_width width)
123 case CHAN_WIDTH_20_NOHT:
130 case CHAN_WIDTH_80P80:
139 int ht_supported(const struct hostapd_hw_modes *mode)
141 if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
143 * The driver did not indicate whether it supports HT. Assume
144 * it does to avoid connection issues.
150 * IEEE Std 802.11n-2009 20.1.1:
151 * An HT non-AP STA shall support all EQM rates for one spatial stream.
153 return mode->mcs_set[0] == 0xff;
157 int vht_supported(const struct hostapd_hw_modes *mode)
159 if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
161 * The driver did not indicate whether it supports VHT. Assume
162 * it does to avoid connection issues.
168 * A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
169 * TODO: Verify if this complies with the standard
171 return (mode->vht_mcs_set[0] & 0x3) != 3;
175 static int wpa_check_wowlan_trigger(const char *start, const char *trigger,
176 int capa_trigger, u8 *param_trigger)
178 if (os_strcmp(start, trigger) != 0)
188 struct wowlan_triggers *
189 wpa_get_wowlan_triggers(const char *wowlan_triggers,
190 const struct wpa_driver_capa *capa)
192 struct wowlan_triggers *triggers;
193 char *start, *end, *buf;
196 if (!wowlan_triggers)
199 buf = os_strdup(wowlan_triggers);
203 triggers = os_zalloc(sizeof(*triggers));
204 if (triggers == NULL)
207 #define CHECK_TRIGGER(trigger) \
208 wpa_check_wowlan_trigger(start, #trigger, \
209 capa->wowlan_triggers.trigger, \
213 while (*start != '\0') {
214 while (isblank((unsigned char) *start))
219 while (!isblank((unsigned char) *end) && *end != '\0')
224 if (!CHECK_TRIGGER(any) &&
225 !CHECK_TRIGGER(disconnect) &&
226 !CHECK_TRIGGER(magic_pkt) &&
227 !CHECK_TRIGGER(gtk_rekey_failure) &&
228 !CHECK_TRIGGER(eap_identity_req) &&
229 !CHECK_TRIGGER(four_way_handshake) &&
230 !CHECK_TRIGGER(rfkill_release)) {
231 wpa_printf(MSG_DEBUG,
232 "Unknown/unsupported wowlan trigger '%s'",
251 const char * driver_flag_to_string(u64 flag)
253 #define DF2S(x) case WPA_DRIVER_FLAGS_ ## x: return #x
256 DF2S(SET_KEYS_AFTER_ASSOC);
258 DF2S(4WAY_HANDSHAKE_PSK);
259 DF2S(4WAY_HANDSHAKE_8021X);
263 DF2S(SET_KEYS_AFTER_ASSOC_DONE);
265 DF2S(P2P_CONCURRENT);
266 DF2S(P2P_DEDICATED_INTERFACE);
268 DF2S(AP_TEARDOWN_SUPPORT);
269 DF2S(P2P_MGMT_AND_NON_P2P);
270 DF2S(SANE_ERROR_CODES);
272 DF2S(EAPOL_TX_STATUS);
273 DF2S(DEAUTH_TX_STATUS);
276 DF2S(TDLS_EXTERNAL_SETUP);
277 DF2S(PROBE_RESP_OFFLOAD);
279 DF2S(INACTIVITY_TIMER);
285 DF2S(DEDICATED_P2P_DEVICE);
290 DF2S(KEY_MGMT_OFFLOAD);
291 DF2S(TDLS_CHANNEL_SWITCH);
294 DF2S(SUPPORT_HW_MODE_ANY);
295 DF2S(OFFCHANNEL_SIMULTANEOUS);
296 DF2S(FULL_AP_CLIENT_STATE);
297 DF2S(P2P_LISTEN_OFFLOAD);
299 DF2S(BEACON_RATE_LEGACY);
300 DF2S(BEACON_RATE_HT);
301 DF2S(BEACON_RATE_VHT);
302 DF2S(MGMT_TX_RANDOM_TA);
303 DF2S(MGMT_TX_RANDOM_TA_CONNECTED);
304 DF2S(SCHED_SCAN_RELATIVE_RSSI);
305 DF2S(HE_CAPABILITIES);
306 DF2S(FILS_SK_OFFLOAD);