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);
71 E2S(CONNECT_FAILED_REASON);
72 E2S(DFS_RADAR_DETECTED);
73 E2S(DFS_CAC_FINISHED);
75 E2S(DFS_NOP_FINISHED);
78 E2S(AVOID_FREQUENCIES);
79 E2S(NEW_PEER_CANDIDATE);
80 E2S(ACS_CHANNEL_SELECTED);
84 E2S(DFS_PRE_CAC_EXPIRED);
87 E2S(STATION_OPMODE_CHANGED);
88 E2S(INTERFACE_MAC_CHANGED);
89 E2S(WDS_STA_INTERFACE_STATUS);
97 const char * channel_width_to_string(enum chan_width width)
100 case CHAN_WIDTH_20_NOHT:
101 return "20 MHz (no HT)";
108 case CHAN_WIDTH_80P80:
118 int channel_width_to_int(enum chan_width width)
121 case CHAN_WIDTH_20_NOHT:
128 case CHAN_WIDTH_80P80:
137 int ht_supported(const struct hostapd_hw_modes *mode)
139 if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
141 * The driver did not indicate whether it supports HT. Assume
142 * it does to avoid connection issues.
148 * IEEE Std 802.11n-2009 20.1.1:
149 * An HT non-AP STA shall support all EQM rates for one spatial stream.
151 return mode->mcs_set[0] == 0xff;
155 int vht_supported(const struct hostapd_hw_modes *mode)
157 if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
159 * The driver did not indicate whether it supports VHT. Assume
160 * it does to avoid connection issues.
166 * A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
167 * TODO: Verify if this complies with the standard
169 return (mode->vht_mcs_set[0] & 0x3) != 3;
173 static int wpa_check_wowlan_trigger(const char *start, const char *trigger,
174 int capa_trigger, u8 *param_trigger)
176 if (os_strcmp(start, trigger) != 0)
186 struct wowlan_triggers *
187 wpa_get_wowlan_triggers(const char *wowlan_triggers,
188 const struct wpa_driver_capa *capa)
190 struct wowlan_triggers *triggers;
191 char *start, *end, *buf;
194 if (!wowlan_triggers)
197 buf = os_strdup(wowlan_triggers);
201 triggers = os_zalloc(sizeof(*triggers));
202 if (triggers == NULL)
205 #define CHECK_TRIGGER(trigger) \
206 wpa_check_wowlan_trigger(start, #trigger, \
207 capa->wowlan_triggers.trigger, \
211 while (*start != '\0') {
212 while (isblank((unsigned char) *start))
217 while (!isblank((unsigned char) *end) && *end != '\0')
222 if (!CHECK_TRIGGER(any) &&
223 !CHECK_TRIGGER(disconnect) &&
224 !CHECK_TRIGGER(magic_pkt) &&
225 !CHECK_TRIGGER(gtk_rekey_failure) &&
226 !CHECK_TRIGGER(eap_identity_req) &&
227 !CHECK_TRIGGER(four_way_handshake) &&
228 !CHECK_TRIGGER(rfkill_release)) {
229 wpa_printf(MSG_DEBUG,
230 "Unknown/unsupported wowlan trigger '%s'",
249 const char * driver_flag_to_string(u64 flag)
251 #define DF2S(x) case WPA_DRIVER_FLAGS_ ## x: return #x
254 DF2S(SET_KEYS_AFTER_ASSOC);
256 DF2S(4WAY_HANDSHAKE_PSK);
257 DF2S(4WAY_HANDSHAKE_8021X);
261 DF2S(SET_KEYS_AFTER_ASSOC_DONE);
263 DF2S(P2P_CONCURRENT);
264 DF2S(P2P_DEDICATED_INTERFACE);
266 DF2S(AP_TEARDOWN_SUPPORT);
267 DF2S(P2P_MGMT_AND_NON_P2P);
268 DF2S(SANE_ERROR_CODES);
270 DF2S(EAPOL_TX_STATUS);
271 DF2S(DEAUTH_TX_STATUS);
274 DF2S(TDLS_EXTERNAL_SETUP);
275 DF2S(PROBE_RESP_OFFLOAD);
277 DF2S(INACTIVITY_TIMER);
283 DF2S(DEDICATED_P2P_DEVICE);
288 DF2S(KEY_MGMT_OFFLOAD);
289 DF2S(TDLS_CHANNEL_SWITCH);
292 DF2S(SUPPORT_HW_MODE_ANY);
293 DF2S(OFFCHANNEL_SIMULTANEOUS);
294 DF2S(FULL_AP_CLIENT_STATE);
295 DF2S(P2P_LISTEN_OFFLOAD);
297 DF2S(BEACON_RATE_LEGACY);
298 DF2S(BEACON_RATE_HT);
299 DF2S(BEACON_RATE_VHT);
300 DF2S(MGMT_TX_RANDOM_TA);
301 DF2S(MGMT_TX_RANDOM_TA_CONNECTED);
302 DF2S(SCHED_SCAN_RELATIVE_RSSI);
303 DF2S(HE_CAPABILITIES);
304 DF2S(FILS_SK_OFFLOAD);