--- /dev/null
+/*
+ * Common driver-related functions
+ * Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+#include "utils/common.h"
+#include "driver.h"
+
+void wpa_scan_results_free(struct wpa_scan_results *res)
+{
+ size_t i;
+
+ if (res == NULL)
+ return;
+
+ for (i = 0; i < res->num; i++)
+ os_free(res->res[i]);
+ os_free(res->res);
+ os_free(res);
+}
+
+
+const char * event_to_string(enum wpa_event_type event)
+{
+#define E2S(n) case EVENT_ ## n: return #n
+ switch (event) {
+ E2S(ASSOC);
+ E2S(DISASSOC);
+ E2S(MICHAEL_MIC_FAILURE);
+ E2S(SCAN_RESULTS);
+ E2S(ASSOCINFO);
+ E2S(INTERFACE_STATUS);
+ E2S(PMKID_CANDIDATE);
+ E2S(STKSTART);
+ E2S(TDLS);
+ E2S(FT_RESPONSE);
+ E2S(IBSS_RSN_START);
+ E2S(AUTH);
+ E2S(DEAUTH);
+ E2S(ASSOC_REJECT);
+ E2S(AUTH_TIMED_OUT);
+ E2S(ASSOC_TIMED_OUT);
+ E2S(WPS_BUTTON_PUSHED);
+ E2S(TX_STATUS);
+ E2S(RX_FROM_UNKNOWN);
+ E2S(RX_MGMT);
+ E2S(REMAIN_ON_CHANNEL);
+ E2S(CANCEL_REMAIN_ON_CHANNEL);
+ E2S(RX_PROBE_REQ);
+ E2S(NEW_STA);
+ E2S(EAPOL_RX);
+ E2S(SIGNAL_CHANGE);
+ E2S(INTERFACE_ENABLED);
+ E2S(INTERFACE_DISABLED);
+ E2S(CHANNEL_LIST_CHANGED);
+ E2S(INTERFACE_UNAVAILABLE);
+ E2S(BEST_CHANNEL);
+ E2S(UNPROT_DEAUTH);
+ E2S(UNPROT_DISASSOC);
+ E2S(STATION_LOW_ACK);
+ E2S(IBSS_PEER_LOST);
+ E2S(DRIVER_GTK_REKEY);
+ E2S(SCHED_SCAN_STOPPED);
+ E2S(DRIVER_CLIENT_POLL_OK);
+ E2S(EAPOL_TX_STATUS);
+ E2S(CH_SWITCH);
+ E2S(WNM);
+ E2S(CONNECT_FAILED_REASON);
+ E2S(DFS_RADAR_DETECTED);
+ E2S(DFS_CAC_FINISHED);
+ E2S(DFS_CAC_ABORTED);
+ E2S(DFS_NOP_FINISHED);
+ E2S(SURVEY);
+ E2S(SCAN_STARTED);
+ E2S(AVOID_FREQUENCIES);
+ E2S(NEW_PEER_CANDIDATE);
+ E2S(ACS_CHANNEL_SELECTED);
+ E2S(DFS_CAC_STARTED);
+ E2S(P2P_LO_STOP);
+ }
+
+ return "UNKNOWN";
+#undef E2S
+}
+
+
+const char * channel_width_to_string(enum chan_width width)
+{
+ switch (width) {
+ case CHAN_WIDTH_20_NOHT:
+ return "20 MHz (no HT)";
+ case CHAN_WIDTH_20:
+ return "20 MHz";
+ case CHAN_WIDTH_40:
+ return "40 MHz";
+ case CHAN_WIDTH_80:
+ return "80 MHz";
+ case CHAN_WIDTH_80P80:
+ return "80+80 MHz";
+ case CHAN_WIDTH_160:
+ return "160 MHz";
+ default:
+ return "unknown";
+ }
+}
+
+
+int ht_supported(const struct hostapd_hw_modes *mode)
+{
+ if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
+ /*
+ * The driver did not indicate whether it supports HT. Assume
+ * it does to avoid connection issues.
+ */
+ return 1;
+ }
+
+ /*
+ * IEEE Std 802.11n-2009 20.1.1:
+ * An HT non-AP STA shall support all EQM rates for one spatial stream.
+ */
+ return mode->mcs_set[0] == 0xff;
+}
+
+
+int vht_supported(const struct hostapd_hw_modes *mode)
+{
+ if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
+ /*
+ * The driver did not indicate whether it supports VHT. Assume
+ * it does to avoid connection issues.
+ */
+ return 1;
+ }
+
+ /*
+ * A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
+ * TODO: Verify if this complies with the standard
+ */
+ return (mode->vht_mcs_set[0] & 0x3) != 3;
+}
+
+
+static int wpa_check_wowlan_trigger(const char *start, const char *trigger,
+ int capa_trigger, u8 *param_trigger)
+{
+ if (os_strcmp(start, trigger) != 0)
+ return 0;
+ if (!capa_trigger)
+ return 0;
+
+ *param_trigger = 1;
+ return 1;
+}
+
+
+struct wowlan_triggers *
+wpa_get_wowlan_triggers(const char *wowlan_triggers,
+ const struct wpa_driver_capa *capa)
+{
+ struct wowlan_triggers *triggers;
+ char *start, *end, *buf;
+ int last;
+
+ if (!wowlan_triggers)
+ return NULL;
+
+ buf = os_strdup(wowlan_triggers);
+ if (buf == NULL)
+ return NULL;
+
+ triggers = os_zalloc(sizeof(*triggers));
+ if (triggers == NULL)
+ goto out;
+
+#define CHECK_TRIGGER(trigger) \
+ wpa_check_wowlan_trigger(start, #trigger, \
+ capa->wowlan_triggers.trigger, \
+ &triggers->trigger)
+
+ start = buf;
+ while (*start != '\0') {
+ while (isblank((unsigned char) *start))
+ start++;
+ if (*start == '\0')
+ break;
+ end = start;
+ while (!isblank((unsigned char) *end) && *end != '\0')
+ end++;
+ last = *end == '\0';
+ *end = '\0';
+
+ if (!CHECK_TRIGGER(any) &&
+ !CHECK_TRIGGER(disconnect) &&
+ !CHECK_TRIGGER(magic_pkt) &&
+ !CHECK_TRIGGER(gtk_rekey_failure) &&
+ !CHECK_TRIGGER(eap_identity_req) &&
+ !CHECK_TRIGGER(four_way_handshake) &&
+ !CHECK_TRIGGER(rfkill_release)) {
+ wpa_printf(MSG_DEBUG,
+ "Unknown/unsupported wowlan trigger '%s'",
+ start);
+ os_free(triggers);
+ triggers = NULL;
+ goto out;
+ }
+
+ if (last)
+ break;
+ start = end + 1;
+ }
+#undef CHECK_TRIGGER
+
+out:
+ os_free(buf);
+ return triggers;
+}
+
+
+const char * driver_flag_to_string(u64 flag)
+{
+#define DF2S(x) case WPA_DRIVER_FLAGS_ ## x: return #x
+ switch (flag) {
+ DF2S(DRIVER_IE);
+ DF2S(SET_KEYS_AFTER_ASSOC);
+ DF2S(DFS_OFFLOAD);
+ DF2S(4WAY_HANDSHAKE);
+ DF2S(WIRED);
+ DF2S(SME);
+ DF2S(AP);
+ DF2S(SET_KEYS_AFTER_ASSOC_DONE);
+ DF2S(HT_2040_COEX);
+ DF2S(P2P_CONCURRENT);
+ DF2S(P2P_DEDICATED_INTERFACE);
+ DF2S(P2P_CAPABLE);
+ DF2S(AP_TEARDOWN_SUPPORT);
+ DF2S(P2P_MGMT_AND_NON_P2P);
+ DF2S(SANE_ERROR_CODES);
+ DF2S(OFFCHANNEL_TX);
+ DF2S(EAPOL_TX_STATUS);
+ DF2S(DEAUTH_TX_STATUS);
+ DF2S(BSS_SELECTION);
+ DF2S(TDLS_SUPPORT);
+ DF2S(TDLS_EXTERNAL_SETUP);
+ DF2S(PROBE_RESP_OFFLOAD);
+ DF2S(AP_UAPSD);
+ DF2S(INACTIVITY_TIMER);
+ DF2S(AP_MLME);
+ DF2S(SAE);
+ DF2S(OBSS_SCAN);
+ DF2S(IBSS);
+ DF2S(RADAR);
+ DF2S(DEDICATED_P2P_DEVICE);
+ DF2S(QOS_MAPPING);
+ DF2S(AP_CSA);
+ DF2S(MESH);
+ DF2S(ACS_OFFLOAD);
+ DF2S(KEY_MGMT_OFFLOAD);
+ DF2S(TDLS_CHANNEL_SWITCH);
+ DF2S(HT_IBSS);
+ DF2S(VHT_IBSS);
+ DF2S(SUPPORT_HW_MODE_ANY);
+ DF2S(OFFCHANNEL_SIMULTANEOUS);
+ DF2S(FULL_AP_CLIENT_STATE);
+ DF2S(P2P_LISTEN_OFFLOAD);
+ }
+ return "UNKNOWN";
+#undef DF2S
+}
projects / mech_eap.git / blobdiff