]> Gitweb @ Texas Instruments - Open Source Git Repositories - git.TI.com/gitweb - build-utilities/hostap.git/blobdiff - wpa_supplicant/events.c
Fix crash when a local deauth occurs (squash)
[build-utilities/hostap.git] / wpa_supplicant / events.c
index aebb4cf0afe0a06eb4e243ded1854dec04571510..191748a8afe89bf3bc561e8b8d9e8eb85d40bd36 100644 (file)
@@ -1,15 +1,9 @@
 /*
  * WPA Supplicant - Driver event processing
- * Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #include "includes.h"
 #include "wps_supplicant.h"
 #include "ibss_rsn.h"
 #include "sme.h"
+#include "gas_query.h"
 #include "p2p_supplicant.h"
 #include "bgscan.h"
 #include "ap.h"
 #include "bss.h"
-#include "mlme.h"
 #include "scan.h"
+#include "offchannel.h"
 
 
 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
@@ -69,11 +64,7 @@ static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
 
        wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
                "current AP");
-       if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
-                             WPA_KEY_MGMT_WPA_NONE |
-                             WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
-                             WPA_KEY_MGMT_PSK_SHA256 |
-                             WPA_KEY_MGMT_IEEE8021X_SHA256)) {
+       if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
                u8 wpa_ie[80];
                size_t wpa_ie_len = sizeof(wpa_ie);
                wpa_supplicant_set_suites(wpa_s, NULL, ssid,
@@ -95,8 +86,7 @@ static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
 }
 
 
-static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
-                                               void *sock_ctx)
+void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
 {
        struct wpa_supplicant *wpa_s = eloop_ctx;
 
@@ -108,20 +98,58 @@ static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
        }
 }
 
+void wpa_supplicant_mark_roaming(struct wpa_supplicant *wpa_s)
+{
+       wpa_s->roaming_in_progress = 1;
+       os_memcpy(wpa_s->prev_bssid, wpa_s->bssid, ETH_ALEN);
+       wpa_s->prev_ssid = wpa_s->current_ssid;
+       wpa_dbg(wpa_s, MSG_DEBUG, "Saving prev AP info for roaming recovery - "
+               "SSID ID: %d BSSID: " MACSTR,
+               wpa_s->prev_ssid->id, MAC2STR(wpa_s->prev_bssid));
+}
+
+void wpa_supplicant_clear_roaming(struct wpa_supplicant *wpa_s,
+                                 int ignore_deauth_event)
+{
+       wpa_s->roaming_in_progress = 0;
+       wpa_s->ignore_deauth_event = ignore_deauth_event;
+       wpa_s->prev_ssid = NULL;
+       os_memset(wpa_s->prev_bssid, 0, ETH_ALEN);
+}
 
 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
 {
        int bssid_changed;
 
+#ifdef CONFIG_IBSS_RSN
+       ibss_rsn_deinit(wpa_s->ibss_rsn);
+       wpa_s->ibss_rsn = NULL;
+#endif /* CONFIG_IBSS_RSN */
+
+#ifdef CONFIG_AP
+       wpa_supplicant_ap_deinit(wpa_s);
+#endif /* CONFIG_AP */
+
        if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
                return;
 
        wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+       wpa_s->conf->ap_scan = DEFAULT_AP_SCAN;
        bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
        os_memset(wpa_s->bssid, 0, ETH_ALEN);
        os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
+#ifdef CONFIG_P2P
+       os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
+#endif /* CONFIG_P2P */
        wpa_s->current_bss = NULL;
        wpa_s->assoc_freq = 0;
+#ifdef CONFIG_IEEE80211R
+#ifdef CONFIG_SME
+       if (wpa_s->sme.ft_ies)
+               sme_update_ft_ies(wpa_s, NULL, NULL, 0);
+#endif /* CONFIG_SME */
+#endif /* CONFIG_IEEE80211R */
+
        if (bssid_changed)
                wpas_notify_bssid_changed(wpa_s);
 
@@ -213,6 +241,7 @@ int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
                              struct wpa_ssid *ssid)
 {
 #ifdef IEEE8021X_EAPOL
+#ifdef PCSC_FUNCS
        int aka = 0, sim = 0, type;
 
        if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
@@ -256,7 +285,7 @@ int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
        else
                type = SCARD_GSM_SIM_ONLY;
 
-       wpa_s->scard = scard_init(type);
+       wpa_s->scard = scard_init(type, NULL);
        if (wpa_s->scard == NULL) {
                wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
                        "(pcsc-lite)");
@@ -264,6 +293,7 @@ int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
        }
        wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
        eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
+#endif /* PCSC_FUNCS */
 #endif /* IEEE8021X_EAPOL */
 
        return 0;
@@ -297,6 +327,9 @@ static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
                privacy = 1;
 #endif /* IEEE8021X_EAPOL */
 
+       if (wpa_key_mgmt_wpa(ssid->key_mgmt))
+               privacy = 1;
+
        if (bss->caps & IEEE80211_CAP_PRIVACY)
                return privacy;
        return !privacy;
@@ -430,8 +463,15 @@ static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
                return 0;
        }
 
-       /* Allow in non-WPA configuration */
-       return 1;
+       if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
+               wpa_dbg(wpa_s, MSG_DEBUG, "   allow in non-WPA/WPA2");
+               return 1;
+       }
+
+       wpa_dbg(wpa_s, MSG_DEBUG, "   reject due to mismatch with "
+               "WPA/WPA2");
+
+       return 0;
 }
 
 
@@ -449,6 +489,115 @@ static int freq_allowed(int *freqs, int freq)
 }
 
 
+static 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;
+}
+
+
+static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_scan_res *bss)
+{
+       const struct hostapd_hw_modes *mode = NULL, *modes;
+       const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
+       const u8 *rate_ie;
+       int i, j, k;
+
+       if (bss->freq == 0)
+               return 1; /* Cannot do matching without knowing band */
+
+       modes = wpa_s->hw.modes;
+       if (modes == NULL) {
+               /*
+                * The driver does not provide any additional information
+                * about the utilized hardware, so allow the connection attempt
+                * to continue.
+                */
+               return 1;
+       }
+
+       for (i = 0; i < wpa_s->hw.num_modes; i++) {
+               for (j = 0; j < modes[i].num_channels; j++) {
+                       int freq = modes[i].channels[j].freq;
+                       if (freq == bss->freq) {
+                               if (mode &&
+                                   mode->mode == HOSTAPD_MODE_IEEE80211G)
+                                       break; /* do not allow 802.11b replace
+                                               * 802.11g */
+                               mode = &modes[i];
+                               break;
+                       }
+               }
+       }
+
+       if (mode == NULL)
+               return 0;
+
+       for (i = 0; i < (int) sizeof(scan_ie); i++) {
+               rate_ie = wpa_scan_get_ie(bss, scan_ie[i]);
+               if (rate_ie == NULL)
+                       continue;
+
+               for (j = 2; j < rate_ie[1] + 2; j++) {
+                       int flagged = !!(rate_ie[j] & 0x80);
+                       int r = (rate_ie[j] & 0x7f) * 5;
+
+                       /*
+                        * IEEE Std 802.11n-2009 7.3.2.2:
+                        * The new BSS Membership selector value is encoded
+                        * like a legacy basic rate, but it is not a rate and
+                        * only indicates if the BSS members are required to
+                        * support the mandatory features of Clause 20 [HT PHY]
+                        * in order to join the BSS.
+                        */
+                       if (flagged && ((rate_ie[j] & 0x7f) ==
+                                       BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
+                               if (!ht_supported(mode)) {
+                                       wpa_dbg(wpa_s, MSG_DEBUG,
+                                               "   hardware does not support "
+                                               "HT PHY");
+                                       return 0;
+                               }
+                               continue;
+                       }
+
+                       if (!flagged)
+                               continue;
+
+                       /* check for legacy basic rates */
+                       for (k = 0; k < mode->num_rates; k++) {
+                               if (mode->rates[k] == r)
+                                       break;
+                       }
+                       if (k == mode->num_rates) {
+                               /*
+                                * IEEE Std 802.11-2007 7.3.2.2 demands that in
+                                * order to join a BSS all required rates
+                                * have to be supported by the hardware.
+                                */
+                               wpa_dbg(wpa_s, MSG_DEBUG, "   hardware does "
+                                       "not support required rate %d.%d Mbps",
+                                       r / 10, r % 10);
+                               return 0;
+                       }
+               }
+       }
+
+       return 1;
+}
+
+
 static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
                                            int i, struct wpa_scan_res *bss,
                                            struct wpa_ssid *group)
@@ -493,13 +642,27 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
                if (e->count > limit) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "   skip - blacklisted "
                                "(count=%d limit=%d)", e->count, limit);
-                       return 0;
+                       return NULL;
                }
        }
 
+       if (wpa_s->roaming &&
+           os_memcmp(wpa_s->bssid, bss->bssid, ETH_ALEN) == 0) {
+               wpa_dbg(wpa_s, MSG_DEBUG, "   skip - current bssid (roaming)");
+               return NULL;
+       }
+
        if (ssid_len == 0) {
                wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID not known");
-               return 0;
+               return NULL;
+       }
+
+       if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
+           wpa_s->current_ssid &&
+           os_memcmp(wpa_s->current_ssid->ssid, ssid_, ssid_len) != 0) {
+               wpa_dbg(wpa_s, MSG_DEBUG, "   skip - block roaming to "
+                       "a different SSID while connected");
+               return NULL;
        }
 
        wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
@@ -534,6 +697,10 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
                }
 #endif /* CONFIG_WPS */
 
+               if (ssid->bssid_set && ssid->ssid_len == 0 &&
+                   os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
+                       check_ssid = 0;
+
                if (check_ssid &&
                    (ssid_len != ssid->ssid_len ||
                     os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
@@ -559,13 +726,13 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
                        continue;
                }
 
-               if (!wpa && !wpa_supplicant_match_privacy(bss, ssid)) {
+               if (!wpa_supplicant_match_privacy(bss, ssid)) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "   skip - privacy "
                                "mismatch");
                        continue;
                }
 
-               if (!wpa && (bss->caps & IEEE80211_CAP_IBSS)) {
+               if (bss->caps & IEEE80211_CAP_IBSS) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "   skip - IBSS (adhoc) "
                                "network");
                        continue;
@@ -577,6 +744,12 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
                        continue;
                }
 
+               if (!rate_match(wpa_s, bss)) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "   skip - rate sets do "
+                               "not match");
+                       continue;
+               }
+
 #ifdef CONFIG_P2P
                /*
                 * TODO: skip the AP if its P2P IE has Group Formation
@@ -590,7 +763,7 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
        }
 
        /* No matching configuration found */
-       return 0;
+       return NULL;
 }
 
 
@@ -645,7 +818,8 @@ wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
                                break;
                }
 
-               if (selected == NULL && wpa_s->blacklist) {
+               if (selected == NULL && wpa_s->blacklist &&
+                   !wpa_s->countermeasures) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
                                "blacklist and try again");
                        wpa_blacklist_clear(wpa_s);
@@ -674,22 +848,25 @@ static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
 }
 
 
-void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
-                           struct wpa_bss *selected,
-                           struct wpa_ssid *ssid)
+int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
+                          struct wpa_bss *selected,
+                          struct wpa_ssid *ssid)
 {
        if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
                wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
                        "PBC session overlap");
 #ifdef CONFIG_P2P
-               if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
-                       return;
+               if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1) {
+                       wpa_supplicant_clear_roaming(wpa_s, 0);
+                       return -1;
+               }
 #endif /* CONFIG_P2P */
 
 #ifdef CONFIG_WPS
                wpas_wps_cancel(wpa_s);
 #endif /* CONFIG_WPS */
-               return;
+               wpa_supplicant_clear_roaming(wpa_s, 0);
+               return -1;
        }
 
        /*
@@ -705,7 +882,7 @@ void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
              0))) {
                if (wpa_supplicant_scard_init(wpa_s, ssid)) {
                        wpa_supplicant_req_new_scan(wpa_s, 10, 0);
-                       return;
+                       wpa_supplicant_clear_roaming(wpa_s, 0);
                }
                wpa_msg(wpa_s, MSG_DEBUG, "Request association: "
                        "reassociate: %d  selected: "MACSTR "  bssid: " MACSTR
@@ -717,7 +894,10 @@ void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
        } else {
                wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the "
                        "selected AP");
+               wpa_supplicant_clear_roaming(wpa_s, 0);
        }
+
+       return 0;
 }
 
 
@@ -744,28 +924,25 @@ wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
  * on BSS added and BSS changed events */
 static void wpa_supplicant_rsn_preauth_scan_results(
-       struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
+       struct wpa_supplicant *wpa_s)
 {
-       int i;
+       struct wpa_bss *bss;
 
        if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
                return;
 
-       for (i = scan_res->num - 1; i >= 0; i--) {
+       dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
                const u8 *ssid, *rsn;
-               struct wpa_scan_res *r;
-
-               r = scan_res->res[i];
 
-               ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
+               ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
                if (ssid == NULL)
                        continue;
 
-               rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
+               rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
                if (rsn == NULL)
                        continue;
 
-               rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
+               rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
        }
 
 }
@@ -782,13 +959,23 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
 
        if (wpa_s->reassociate)
                return 1; /* explicit request to reassociate */
+       if (wpa_s->roaming)
+               return 1; /* explicit request to roam */
        if (wpa_s->wpa_state < WPA_ASSOCIATED)
                return 1; /* we are not associated; continue */
        if (wpa_s->current_ssid == NULL)
                return 1; /* unknown current SSID */
+       if (wpa_s->roaming_disabled) {
+               wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - "
+                       "driver doesn't allow roaming now");
+               return 0;
+       }
        if (wpa_s->current_ssid != ssid)
                return 1; /* different network block */
 
+       if (wpas_driver_bss_selection(wpa_s))
+               return 0; /* Driver-based roaming */
+
        for (i = 0; i < scan_res->num; i++) {
                struct wpa_scan_res *res = scan_res->res[i];
                const u8 *ie;
@@ -808,6 +995,7 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
        if (!current_bss)
                return 1; /* current BSS not seen in scan results */
 
+#ifndef CONFIG_NO_ROAMING
        wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
        wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
                MAC2STR(current_bss->bssid), current_bss->level);
@@ -841,9 +1029,14 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
                return 0;
        }
 
+       wpa_supplicant_mark_roaming(wpa_s);
        return 1;
+#else /* CONFIG_NO_ROAMING */
+       return 0;
+#endif /* CONFIG_NO_ROAMING */
 }
 
+
 /* Return < 0 if no scan results could be fetched. */
 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                                              union wpa_event_data *data)
@@ -860,6 +1053,18 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 
        wpa_supplicant_notify_scanning(wpa_s, 0);
 
+#ifdef CONFIG_P2P
+       if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+           wpa_s->global->p2p != NULL) {
+               wpa_s->p2p_cb_on_scan_complete = 0;
+               if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
+                               "stopped scan processing");
+                       return -1;
+               }
+       }
+#endif /* CONFIG_P2P */
+
        scan_res = wpa_supplicant_get_scan_results(wpa_s,
                                                   data ? &data->scan_info :
                                                   NULL, 1);
@@ -903,6 +1108,10 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 
        if (ap) {
                wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
+#ifdef CONFIG_AP
+               if (wpa_s->ap_iface->scan_cb)
+                       wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
+#endif /* CONFIG_AP */
                wpa_scan_results_free(scan_res);
                return 0;
        }
@@ -924,13 +1133,12 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                return 0;
        }
 
-       if (bgscan_notify_scan(wpa_s, scan_res) == 1) {
+       if (!wpas_driver_bss_selection(wpa_s) &&
+           bgscan_notify_scan(wpa_s, scan_res) == 1) {
                wpa_scan_results_free(scan_res);
                return 0;
        }
 
-       wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
-
        selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
 
        if (selected) {
@@ -938,9 +1146,16 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid,
                                                    scan_res);
                wpa_scan_results_free(scan_res);
-               if (skip)
+               if (skip) {
+                       wpa_supplicant_rsn_preauth_scan_results(wpa_s);
                        return 0;
-               wpa_supplicant_connect(wpa_s, selected, ssid);
+               }
+
+               if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
+                       return -1;
+               }
+               wpa_supplicant_rsn_preauth_scan_results(wpa_s);
        } else {
                wpa_scan_results_free(scan_res);
                wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
@@ -948,8 +1163,9 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                if (ssid) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
                        wpa_supplicant_associate(wpa_s, NULL, ssid);
+                       wpa_supplicant_rsn_preauth_scan_results(wpa_s);
                } else {
-                       int timeout_sec = 5;
+                       int timeout_sec = wpa_s->scan_interval;
                        int timeout_usec = 0;
 #ifdef CONFIG_P2P
                        if (wpa_s->p2p_in_provisioning) {
@@ -959,8 +1175,12 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                                 */
                                timeout_sec = 0;
                                timeout_usec = 250000;
+                               wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
+                                                           timeout_usec);
+                               return 0;
                        }
 #endif /* CONFIG_P2P */
+                       wpa_supplicant_req_sched_scan(wpa_s);
                        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
                                                    timeout_usec);
                }
@@ -1024,9 +1244,14 @@ static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
        if (data->assoc_info.req_ies)
                wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
                            data->assoc_info.req_ies_len);
-       if (data->assoc_info.resp_ies)
+       if (data->assoc_info.resp_ies) {
                wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
                            data->assoc_info.resp_ies_len);
+#ifdef CONFIG_TDLS
+               wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
+                                       data->assoc_info.resp_ies_len);
+#endif /* CONFIG_TDLS */
+       }
        if (data->assoc_info.beacon_ies)
                wpa_hexdump(MSG_DEBUG, "beacon_ies",
                            data->assoc_info.beacon_ies,
@@ -1082,7 +1307,7 @@ static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
        l = data->assoc_info.resp_ies_len;
 
 #ifdef CONFIG_WPS_STRICT
-       if (wpa_s->current_ssid &&
+       if (p && wpa_s->current_ssid &&
            wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
                struct wpabuf *wps;
                wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
@@ -1164,12 +1389,59 @@ static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
        if (wpa_found || rsn_found)
                wpa_s->ap_ies_from_associnfo = 1;
 
+       if (wpa_s->assoc_freq && data->assoc_info.freq &&
+           wpa_s->assoc_freq != data->assoc_info.freq) {
+               wpa_printf(MSG_DEBUG, "Operating frequency changed from "
+                          "%u to %u MHz",
+                          wpa_s->assoc_freq, data->assoc_info.freq);
+               wpa_supplicant_update_scan_results(wpa_s);
+       }
+
        wpa_s->assoc_freq = data->assoc_info.freq;
 
        return 0;
 }
 
 
+static struct wpa_bss * wpa_supplicant_get_new_bss(
+       struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+       struct wpa_bss *bss = NULL;
+       struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+       if (ssid->ssid_len > 0)
+               bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
+       if (!bss)
+               bss = wpa_bss_get_bssid(wpa_s, bssid);
+
+       return bss;
+}
+
+
+static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
+{
+       const u8 *bss_wpa = NULL, *bss_rsn = NULL;
+
+       if (!wpa_s->current_bss || !wpa_s->current_ssid)
+               return -1;
+
+       if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
+               return 0;
+
+       bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
+                                       WPA_IE_VENDOR_TYPE);
+       bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
+
+       if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
+                                bss_wpa ? 2 + bss_wpa[1] : 0) ||
+           wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
+                                bss_rsn ? 2 + bss_rsn[1] : 0))
+               return -1;
+
+       return 0;
+}
+
+
 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                                       union wpa_event_data *data)
 {
@@ -1183,7 +1455,8 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
                                    data->assoc_info.addr,
                                    data->assoc_info.req_ies,
-                                   data->assoc_info.req_ies_len);
+                                   data->assoc_info.req_ies_len,
+                                   data->assoc_info.reassoc);
                return;
        }
 #endif /* CONFIG_AP */
@@ -1193,11 +1466,8 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                return;
 
        wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
-       if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
-               os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
-       if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
-           (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
-            os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
+       if (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
+           os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
                wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
                        MACSTR, MAC2STR(bssid));
                random_add_randomness(bssid, ETH_ALEN);
@@ -1217,15 +1487,25 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                }
                if (wpa_s->current_ssid) {
                        struct wpa_bss *bss = NULL;
-                       struct wpa_ssid *ssid = wpa_s->current_ssid;
-                       if (ssid->ssid_len > 0)
-                               bss = wpa_bss_get(wpa_s, bssid,
-                                                 ssid->ssid, ssid->ssid_len);
-                       if (!bss)
-                               bss = wpa_bss_get_bssid(wpa_s, bssid);
+
+                       bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
+                       if (!bss) {
+                               wpa_supplicant_update_scan_results(wpa_s);
+
+                               /* Get the BSS from the new scan results */
+                               bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
+                       }
+
                        if (bss)
                                wpa_s->current_bss = bss;
                }
+
+               if (wpa_s->conf->ap_scan == 1 &&
+                   wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
+                       if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
+                               wpa_msg(wpa_s, MSG_WARNING,
+                                       "WPA/RSN IEs not updated");
+               }
        }
 
 #ifdef CONFIG_SME
@@ -1272,6 +1552,8 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                /* Timeout for receiving the first EAPOL packet */
                wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
        }
+
+       wpa_supplicant_cancel_sched_scan(wpa_s);
        wpa_supplicant_cancel_scan(wpa_s);
 
        if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
@@ -1307,7 +1589,7 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                struct os_time now, age;
                os_get_time(&now);
                os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
-               if (age.sec == 0 && age.usec < 100000 &&
+               if (age.sec == 0 && age.usec < 500000 &&
                    os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
                    0) {
                        wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
@@ -1322,25 +1604,6 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                wpa_s->pending_eapol_rx = NULL;
        }
 
-#ifdef CONFIG_BGSCAN
-       if (wpa_s->current_ssid != wpa_s->bgscan_ssid) {
-               bgscan_deinit(wpa_s);
-               if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
-                       if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
-                               wpa_dbg(wpa_s, MSG_DEBUG, "Failed to "
-                                       "initialize bgscan");
-                               /*
-                                * Live without bgscan; it is only used as a
-                                * roaming optimization, so the initial
-                                * connection is not affected.
-                                */
-                       } else
-                               wpa_s->bgscan_ssid = wpa_s->current_ssid;
-               } else
-                       wpa_s->bgscan_ssid = NULL;
-       }
-#endif /* CONFIG_BGSCAN */
-
        if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
            wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
@@ -1353,18 +1616,40 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
        if (wpa_s->current_ssid &&
            wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
            wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
-           wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE)
-               ibss_rsn_connected(wpa_s->ibss_rsn);
+           wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
+           wpa_s->ibss_rsn == NULL) {
+               wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
+               if (!wpa_s->ibss_rsn) {
+                       wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
+                       wpa_supplicant_deauthenticate(
+                               wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+                       return;
+               }
+
+               ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
+       }
 #endif /* CONFIG_IBSS_RSN */
 }
 
 
+static int disconnect_reason_recoverable(u16 reason_code)
+{
+       return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
+               reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
+               reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
+}
+
+
 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
-                                         u16 reason_code)
+                                         u16 reason_code,
+                                         int locally_generated,
+                                         const u8 *addr)
 {
        const u8 *bssid;
        int authenticating;
        u8 prev_pending_bssid[ETH_ALEN];
+       struct wpa_bss *fast_reconnect = NULL;
+       struct wpa_ssid *fast_reconnect_ssid = NULL;
 
        authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
        os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
@@ -1380,6 +1665,13 @@ static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
                return;
        }
 
+       if (addr && wpa_s->bssid && os_memcmp(wpa_s->bssid, addr, ETH_ALEN)) {
+               /* This may occur during roaming */
+               wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disconnect from"
+                       " a BSS which is not the current one");
+               return;
+       }
+
        if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
            wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
                wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
@@ -1387,42 +1679,73 @@ static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
        }
        if (!wpa_s->auto_reconnect_disabled ||
            wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
-               wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Auto connect enabled: try to "
-                       "reconnect (wps=%d)",
-                       wpa_s->key_mgmt == WPA_KEY_MGMT_WPS);
-               if (wpa_s->wpa_state >= WPA_ASSOCIATING)
-                       wpa_supplicant_req_scan(wpa_s, 0, 100000);
+               wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
+                       "reconnect (wps=%d wpa_state=%d)",
+                       wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
+                       wpa_s->wpa_state);
+               if (wpa_s->wpa_state == WPA_COMPLETED &&
+                   wpa_s->current_ssid &&
+                   wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
+                   !locally_generated &&
+                   disconnect_reason_recoverable(reason_code)) {
+                       /*
+                        * It looks like the AP has dropped association with
+                        * us, but could allow us to get back in. Try to
+                        * reconnect to the same BSS without full scan to save
+                        * time for some common cases.
+                        */
+                       fast_reconnect = wpa_s->current_bss;
+                       fast_reconnect_ssid = wpa_s->current_ssid;
+               } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
+                       wpa_supplicant_req_scan(wpa_s, 0, 500000);
+               else
+                       wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
+                               "immediate scan");
        } else {
-               wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Auto connect disabled: do not "
+               wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
                        "try to re-connect");
                wpa_s->reassociate = 0;
                wpa_s->disconnected = 1;
+               wpa_supplicant_cancel_sched_scan(wpa_s);
        }
        bssid = wpa_s->bssid;
        if (is_zero_ether_addr(bssid))
                bssid = wpa_s->pending_bssid;
-       wpas_connection_failed(wpa_s, bssid);
+       if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+               wpas_connection_failed(wpa_s, bssid);
        wpa_sm_notify_disassoc(wpa_s->wpa);
-       wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
-               " reason=%d",
-               MAC2STR(bssid), reason_code);
+       if (!is_zero_ether_addr(bssid) ||
+           wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+               wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
+                       " reason=%d%s",
+                       MAC2STR(bssid), reason_code,
+                       locally_generated ? " locally_generated=1" : "");
+       }
        if (wpa_supplicant_dynamic_keys(wpa_s)) {
                wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
                wpa_s->keys_cleared = 0;
                wpa_clear_keys(wpa_s, wpa_s->bssid);
        }
        wpa_supplicant_mark_disassoc(wpa_s);
-       bgscan_deinit(wpa_s);
-       wpa_s->bgscan_ssid = NULL;
 
        if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
                sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
+
+       if (fast_reconnect) {
+#ifndef CONFIG_NO_SCAN_PROCESSING
+               wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
+               if (wpa_supplicant_connect(wpa_s, fast_reconnect,
+                                          fast_reconnect_ssid) < 0) {
+                       /* Recover through full scan */
+                       wpa_supplicant_req_scan(wpa_s, 0, 100000);
+               }
+#endif /* CONFIG_NO_SCAN_PROCESSING */
+       }
 }
 
 
 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
-static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
-                                                   void *sock_ctx)
+void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
 {
        struct wpa_supplicant *wpa_s = eloop_ctx;
 
@@ -1466,6 +1789,9 @@ wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
 
                /* initialize countermeasures */
                wpa_s->countermeasures = 1;
+
+               wpa_blacklist_add(wpa_s, wpa_s->bssid);
+
                wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
 
                /*
@@ -1557,13 +1883,19 @@ wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
                        wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
                                "driver after interface was added");
                }
+               wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
                break;
        case EVENT_INTERFACE_REMOVED:
                wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
                wpa_s->interface_removed = 1;
                wpa_supplicant_mark_disassoc(wpa_s);
+               wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
                l2_packet_deinit(wpa_s->l2);
                wpa_s->l2 = NULL;
+#ifdef CONFIG_IBSS_RSN
+               ibss_rsn_deinit(wpa_s->ibss_rsn);
+               wpa_s->ibss_rsn = NULL;
+#endif /* CONFIG_IBSS_RSN */
 #ifdef CONFIG_TERMINATE_ONLASTIF
                /* check if last interface */
                if (!any_interfaces(wpa_s->global->ifaces))
@@ -1586,6 +1918,25 @@ wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
 #endif /* CONFIG_PEERKEY */
 
 
+#ifdef CONFIG_TDLS
+static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
+                                     union wpa_event_data *data)
+{
+       if (data == NULL)
+               return;
+       switch (data->tdls.oper) {
+       case TDLS_REQUEST_SETUP:
+               wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
+               break;
+       case TDLS_REQUEST_TEARDOWN:
+               wpa_tdls_send_teardown(wpa_s->wpa, data->tdls.peer,
+                                      data->tdls.reason_code);
+               break;
+       }
+}
+#endif /* CONFIG_TDLS */
+
+
 #ifdef CONFIG_IEEE80211R
 static void
 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
@@ -1611,6 +1962,8 @@ static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
                                                union wpa_event_data *data)
 {
        struct wpa_ssid *ssid;
+       if (wpa_s->wpa_state < WPA_ASSOCIATED)
+               return;
        if (data == NULL)
                return;
        ssid = wpa_s->current_ssid;
@@ -1704,22 +2057,86 @@ static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
 }
 
 
+static void wnm_action_rx(struct wpa_supplicant *wpa_s, struct rx_action *rx)
+{
+       u8 action, mode;
+       const u8 *pos, *end;
+
+       if (rx->data == NULL || rx->len == 0)
+               return;
+
+       pos = rx->data;
+       end = pos + rx->len;
+       action = *pos++;
+
+       wpa_printf(MSG_DEBUG, "WNM: RX action %u from " MACSTR,
+                  action, MAC2STR(rx->sa));
+       switch (action) {
+       case WNM_BSS_TRANS_MGMT_REQ:
+               if (pos + 5 > end)
+                       break;
+               wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management "
+                          "Request: dialog_token=%u request_mode=0x%x "
+                          "disassoc_timer=%u validity_interval=%u",
+                          pos[0], pos[1], WPA_GET_LE16(pos + 2), pos[4]);
+               mode = pos[1];
+               pos += 5;
+               if (mode & 0x08)
+                       pos += 12; /* BSS Termination Duration */
+               if (mode & 0x10) {
+                       char url[256];
+                       if (pos + 1 > end || pos + 1 + pos[0] > end) {
+                               wpa_printf(MSG_DEBUG, "WNM: Invalid BSS "
+                                          "Transition Management Request "
+                                          "(URL)");
+                               break;
+                       }
+                       os_memcpy(url, pos + 1, pos[0]);
+                       url[pos[0]] = '\0';
+                       wpa_msg(wpa_s, MSG_INFO, "WNM: ESS Disassociation "
+                               "Imminent - session_info_url=%s", url);
+               }
+               break;
+       }
+}
+
+
 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                          union wpa_event_data *data)
 {
        struct wpa_supplicant *wpa_s = ctx;
        u16 reason_code = 0;
+       int locally_generated = 0;
 
        if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
            event != EVENT_INTERFACE_ENABLED &&
-           event != EVENT_INTERFACE_STATUS) {
-               wpa_dbg(wpa_s, MSG_DEBUG, "Ignore event %d while interface is "
-                       "disabled", event);
+           event != EVENT_INTERFACE_STATUS &&
+           event != EVENT_SCHED_SCAN_STOPPED) {
+               wpa_dbg(wpa_s, MSG_DEBUG,
+                       "Ignore event %s (%d) while interface is disabled",
+                       event_to_string(event), event);
                return;
        }
 
-       wpa_dbg(wpa_s, MSG_DEBUG, "Event %d received on interface %s",
-               event, wpa_s->ifname);
+#ifndef CONFIG_NO_STDOUT_DEBUG
+{
+       int level = MSG_DEBUG;
+
+       if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
+           data->rx_mgmt.frame_len >= 24) {
+               const struct ieee80211_hdr *hdr;
+               u16 fc;
+               hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
+               fc = le_to_host16(hdr->frame_control);
+               if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+                   WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+                       level = MSG_EXCESSIVE;
+       }
+
+       wpa_dbg(wpa_s, level, "Event %s (%d) received",
+               event_to_string(event), event);
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
 
        switch (event) {
        case EVENT_AUTH:
@@ -1731,8 +2148,10 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
        case EVENT_DISASSOC:
                wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
                if (data) {
-                       wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u",
-                               data->disassoc_info.reason_code);
+                       wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
+                               data->disassoc_info.reason_code,
+                               data->disassoc_info.locally_generated ?
+                               " (locally generated)" : "");
                        if (data->disassoc_info.addr)
                                wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
                                        MAC2STR(data->disassoc_info.addr));
@@ -1743,9 +2162,16 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                               data->disassoc_info.addr);
                        break;
                }
+               if (wpa_s->ap_iface) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in "
+                               "AP mode");
+                       break;
+               }
 #endif /* CONFIG_AP */
                if (data) {
                        reason_code = data->disassoc_info.reason_code;
+                       locally_generated =
+                               data->disassoc_info.locally_generated;
                        wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
                                    data->disassoc_info.ie,
                                    data->disassoc_info.ie_len);
@@ -1765,8 +2191,12 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                "Deauthentication notification");
                        if (data) {
                                reason_code = data->deauth_info.reason_code;
-                               wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u",
-                                       data->deauth_info.reason_code);
+                               locally_generated =
+                                       data->deauth_info.locally_generated;
+                               wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
+                                       data->deauth_info.reason_code,
+                                       data->deauth_info.locally_generated ?
+                                       " (locally generated)" : "");
                                if (data->deauth_info.addr) {
                                        wpa_dbg(wpa_s, MSG_DEBUG, " * address "
                                                MACSTR,
@@ -1792,8 +2222,25 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                               data->deauth_info.addr);
                        break;
                }
+               if (wpa_s->ap_iface) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in "
+                               "AP mode");
+                       break;
+               }
 #endif /* CONFIG_AP */
-               wpa_supplicant_event_disassoc(wpa_s, reason_code);
+
+               if (data->deauth_info.reason_code
+                   == WLAN_REASON_PREV_AUTH_NOT_VALID &&
+                   wpa_s->ignore_deauth_event) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event"
+                               " with reason=2");
+                       wpa_s->ignore_deauth_event = 0;
+               } else {
+                       wpa_supplicant_event_disassoc(wpa_s,
+                                                     reason_code,
+                                                     locally_generated,
+                                                     data->deauth_info.addr);
+               }
                break;
        case EVENT_MICHAEL_MIC_FAILURE:
                wpa_supplicant_event_michael_mic_failure(wpa_s, data);
@@ -1817,6 +2264,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                wpa_supplicant_event_stkstart(wpa_s, data);
                break;
 #endif /* CONFIG_PEERKEY */
+#ifdef CONFIG_TDLS
+       case EVENT_TDLS:
+               wpa_supplicant_event_tdls(wpa_s, data);
+               break;
+#endif /* CONFIG_TDLS */
 #ifdef CONFIG_IEEE80211R
        case EVENT_FT_RESPONSE:
                wpa_supplicant_event_ft_response(wpa_s, data);
@@ -1848,27 +2300,28 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
                        sme_event_assoc_timed_out(wpa_s, data);
                break;
-#ifdef CONFIG_AP
        case EVENT_TX_STATUS:
                wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
                        " type=%d stype=%d",
                        MAC2STR(data->tx_status.dst),
                        data->tx_status.type, data->tx_status.stype);
+#ifdef CONFIG_AP
                if (wpa_s->ap_iface == NULL) {
-#ifdef CONFIG_P2P
+#ifdef CONFIG_OFFCHANNEL
                        if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
                            data->tx_status.stype == WLAN_FC_STYPE_ACTION)
-                               wpas_send_action_tx_status(
+                               offchannel_send_action_tx_status(
                                        wpa_s, data->tx_status.dst,
                                        data->tx_status.data,
                                        data->tx_status.data_len,
                                        data->tx_status.ack ?
-                                       P2P_SEND_ACTION_SUCCESS :
-                                       P2P_SEND_ACTION_NO_ACK);
-#endif /* CONFIG_P2P */
+                                       OFFCHANNEL_SEND_ACTION_SUCCESS :
+                                       OFFCHANNEL_SEND_ACTION_NO_ACK);
+#endif /* CONFIG_OFFCHANNEL */
                        break;
                }
-#ifdef CONFIG_P2P
+#endif /* CONFIG_AP */
+#ifdef CONFIG_OFFCHANNEL
                wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
                        MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
                /*
@@ -1879,16 +2332,17 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                    data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
                    os_memcmp(wpa_s->parent->pending_action_dst,
                              data->tx_status.dst, ETH_ALEN) == 0) {
-                       wpas_send_action_tx_status(
+                       offchannel_send_action_tx_status(
                                wpa_s->parent, data->tx_status.dst,
                                data->tx_status.data,
                                data->tx_status.data_len,
                                data->tx_status.ack ?
-                               P2P_SEND_ACTION_SUCCESS :
-                               P2P_SEND_ACTION_NO_ACK);
+                               OFFCHANNEL_SEND_ACTION_SUCCESS :
+                               OFFCHANNEL_SEND_ACTION_NO_ACK);
                        break;
                }
-#endif /* CONFIG_P2P */
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_AP
                switch (data->tx_status.type) {
                case WLAN_FC_TYPE_MGMT:
                        ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
@@ -1903,12 +2357,23 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                     data->tx_status.ack);
                        break;
                }
+#endif /* CONFIG_AP */
+               break;
+#ifdef CONFIG_AP
+       case EVENT_EAPOL_TX_STATUS:
+               ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
+                                  data->eapol_tx_status.data,
+                                  data->eapol_tx_status.data_len,
+                                  data->eapol_tx_status.ack);
+               break;
+       case EVENT_DRIVER_CLIENT_POLL_OK:
+               ap_client_poll_ok(wpa_s, data->client_poll.addr);
                break;
        case EVENT_RX_FROM_UNKNOWN:
                if (wpa_s->ap_iface == NULL)
                        break;
-               ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame,
-                                      data->rx_from_unknown.len);
+               ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
+                                      data->rx_from_unknown.wds);
                break;
        case EVENT_RX_MGMT:
                if (wpa_s->ap_iface == NULL) {
@@ -1926,7 +2391,8 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                size_t ie_len = data->rx_mgmt.frame_len -
                                        (mgmt->u.probe_req.variable -
                                         data->rx_mgmt.frame);
-                               wpas_p2p_probe_req_rx(wpa_s, src, ie, ie_len);
+                               wpas_p2p_probe_req_rx(wpa_s, src, mgmt->da,
+                                                     mgmt->bssid, ie, ie_len);
                                break;
                        }
 #endif /* CONFIG_P2P */
@@ -1960,6 +2426,28 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                }
 #endif /* CONFIG_SME */
 #endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_GAS
+               if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
+                   gas_query_rx(wpa_s->gas, data->rx_action.da,
+                                data->rx_action.sa, data->rx_action.bssid,
+                                data->rx_action.data, data->rx_action.len,
+                                data->rx_action.freq) == 0)
+                       break;
+#endif /* CONFIG_GAS */
+               if (data->rx_action.category == WLAN_ACTION_WNM) {
+                       wnm_action_rx(wpa_s, &data->rx_action);
+                       break;
+               }
+#ifdef CONFIG_TDLS
+               if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
+                   data->rx_action.len >= 4 &&
+                   data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
+                       wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery "
+                               "Response from " MACSTR,
+                               MAC2STR(data->rx_action.sa));
+                       break;
+               }
+#endif /* CONFIG_TDLS */
 #ifdef CONFIG_P2P
                wpas_p2p_rx_action(wpa_s, data->rx_action.da,
                                   data->rx_action.sa,
@@ -1970,10 +2458,15 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 #endif /* CONFIG_P2P */
                break;
        case EVENT_RX_PROBE_REQ:
+               if (data->rx_probe_req.sa == NULL ||
+                   data->rx_probe_req.ie == NULL)
+                       break;
 #ifdef CONFIG_AP
                if (wpa_s->ap_iface) {
                        hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
                                             data->rx_probe_req.sa,
+                                            data->rx_probe_req.da,
+                                            data->rx_probe_req.bssid,
                                             data->rx_probe_req.ie,
                                             data->rx_probe_req.ie_len);
                        break;
@@ -1981,29 +2474,62 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 #endif /* CONFIG_AP */
 #ifdef CONFIG_P2P
                wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
+                                     data->rx_probe_req.da,
+                                     data->rx_probe_req.bssid,
                                      data->rx_probe_req.ie,
                                      data->rx_probe_req.ie_len);
 #endif /* CONFIG_P2P */
                break;
-#ifdef CONFIG_P2P
        case EVENT_REMAIN_ON_CHANNEL:
+#ifdef CONFIG_OFFCHANNEL
+               offchannel_remain_on_channel_cb(
+                       wpa_s, data->remain_on_channel.freq,
+                       data->remain_on_channel.duration);
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_P2P
                wpas_p2p_remain_on_channel_cb(
                        wpa_s, data->remain_on_channel.freq,
                        data->remain_on_channel.duration);
+#endif /* CONFIG_P2P */
                break;
        case EVENT_CANCEL_REMAIN_ON_CHANNEL:
+#ifdef CONFIG_OFFCHANNEL
+               offchannel_cancel_remain_on_channel_cb(
+                       wpa_s, data->remain_on_channel.freq);
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_P2P
                wpas_p2p_cancel_remain_on_channel_cb(
                        wpa_s, data->remain_on_channel.freq);
+#endif /* CONFIG_P2P */
                break;
-       case EVENT_P2P_DEV_FOUND:
-               wpas_dev_found(wpa_s, data->p2p_dev_found.addr,
-                              data->p2p_dev_found.dev_addr,
-                              data->p2p_dev_found.pri_dev_type,
-                              data->p2p_dev_found.dev_name,
-                              data->p2p_dev_found.config_methods,
-                              data->p2p_dev_found.dev_capab,
-                              data->p2p_dev_found.group_capab);
+#ifdef CONFIG_P2P
+       case EVENT_P2P_DEV_FOUND: {
+               struct p2p_peer_info peer_info;
+
+               os_memset(&peer_info, 0, sizeof(peer_info));
+               if (data->p2p_dev_found.dev_addr)
+                       os_memcpy(peer_info.p2p_device_addr,
+                                 data->p2p_dev_found.dev_addr, ETH_ALEN);
+               if (data->p2p_dev_found.pri_dev_type)
+                       os_memcpy(peer_info.pri_dev_type,
+                                 data->p2p_dev_found.pri_dev_type,
+                                 sizeof(peer_info.pri_dev_type));
+               if (data->p2p_dev_found.dev_name)
+                       os_strlcpy(peer_info.device_name,
+                                  data->p2p_dev_found.dev_name,
+                                  sizeof(peer_info.device_name));
+               peer_info.config_methods = data->p2p_dev_found.config_methods;
+               peer_info.dev_capab = data->p2p_dev_found.dev_capab;
+               peer_info.group_capab = data->p2p_dev_found.group_capab;
+
+               /*
+                * FIX: new_device=1 is not necessarily correct. We should
+                * maintain a P2P peer database in wpa_supplicant and update
+                * this information based on whether the peer is truly new.
+                */
+               wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1);
                break;
+               }
        case EVENT_P2P_GO_NEG_REQ_RX:
                wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src,
                                   data->p2p_go_neg_req_rx.dev_passwd_id);
@@ -2019,7 +2545,8 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                   data->p2p_prov_disc_req.dev_name,
                                   data->p2p_prov_disc_req.supp_config_methods,
                                   data->p2p_prov_disc_req.dev_capab,
-                                  data->p2p_prov_disc_req.group_capab);
+                                  data->p2p_prov_disc_req.group_capab,
+                                  NULL, 0);
                break;
        case EVENT_P2P_PROV_DISC_RESPONSE:
                wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer,
@@ -2040,18 +2567,6 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                                 data->p2p_sd_resp.tlvs_len);
                break;
 #endif /* CONFIG_P2P */
-#ifdef CONFIG_CLIENT_MLME
-       case EVENT_MLME_RX: {
-               struct ieee80211_rx_status rx_status;
-               os_memset(&rx_status, 0, sizeof(rx_status));
-               rx_status.freq = data->mlme_rx.freq;
-               rx_status.channel = data->mlme_rx.channel;
-               rx_status.ssi = data->mlme_rx.ssi;
-               ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len,
-                                &rx_status);
-               break;
-       }
-#endif /* CONFIG_CLIENT_MLME */
        case EVENT_EAPOL_RX:
                wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
                                        data->eapol_rx.data,
@@ -2064,9 +2579,24 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                        data->signal_change.current_noise,
                        data->signal_change.current_txrate);
                break;
+       case EVENT_ROAMING_ENABLED:
+               wpa_supplicant_enable_roaming(wpa_s);
+               break;
+       case EVENT_ROAMING_DISABLED:
+               wpa_supplicant_disable_roaming(wpa_s);
+               break;
+
+       case EVENT_START_ROAMING:
+               if (!is_zero_ether_addr(wpa_s->bssid)) {
+                       wpa_s->roaming = 1;
+                       bgscan_notify_beacon_loss(wpa_s);
+               }
+               break;
+
        case EVENT_INTERFACE_ENABLED:
                wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
                if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
+                       wpa_supplicant_update_mac_addr(wpa_s);
 #ifdef CONFIG_AP
                        if (!wpa_s->ap_iface) {
                                wpa_supplicant_set_state(wpa_s,
@@ -2089,6 +2619,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
        case EVENT_CHANNEL_LIST_CHANGED:
                if (wpa_s->drv_priv == NULL)
                        break; /* Ignore event during drv initialization */
+
+               free_hw_features(wpa_s);
+               wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
+                       wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
+
 #ifdef CONFIG_P2P
                wpas_p2p_update_channel_list(wpa_s);
 #endif /* CONFIG_P2P */
@@ -2126,6 +2661,45 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
                        hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
                                                  data->low_ack.addr);
 #endif /* CONFIG_AP */
+#ifdef CONFIG_TDLS
+               if (data)
+                       wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr);
+#endif /* CONFIG_TDLS */
+               break;
+       case EVENT_IBSS_PEER_LOST:
+#ifdef CONFIG_IBSS_RSN
+               ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
+#endif /* CONFIG_IBSS_RSN */
+               break;
+       case EVENT_DRIVER_GTK_REKEY:
+               if (os_memcmp(data->driver_gtk_rekey.bssid,
+                             wpa_s->bssid, ETH_ALEN))
+                       break;
+               if (!wpa_s->wpa)
+                       break;
+               wpa_sm_update_replay_ctr(wpa_s->wpa,
+                                        data->driver_gtk_rekey.replay_ctr);
+               break;
+       case EVENT_SCHED_SCAN_STOPPED:
+               wpa_s->sched_scanning = 0;
+
+               if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
+                       break;
+
+               /*
+                * If we timed out, start a new sched scan to continue
+                * searching for more SSIDs.
+                */
+               if (wpa_s->override_sched_scan) {
+                       if (wpa_supplicant_req_sched_scan(wpa_s))
+                               wpa_supplicant_req_new_scan(wpa_s,
+                                                   wpa_s->scan_interval, 0);
+               }
+               break;
+       case EVENT_WPS_BUTTON_PUSHED:
+#ifdef CONFIG_WPS
+               wpas_wps_start_pbc(wpa_s, NULL, 0);
+#endif /* CONFIG_WPS */
                break;
        default:
                wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);