nl80211: Indicate channel list change events
[libeap.git] / src / drivers / driver_nl80211.c
index cbed985..352ecd5 100644 (file)
@@ -22,6 +22,7 @@
 #include <netlink/genl/genl.h>
 #include <netlink/genl/family.h>
 #include <netlink/genl/ctrl.h>
+#include <linux/rtnetlink.h>
 #include <netpacket/packet.h>
 #include <linux/filter.h>
 #include "nl80211_copy.h"
 #include "linux_ioctl.h"
 #include "radiotap.h"
 #include "radiotap_iter.h"
+#include "rfkill.h"
 #include "driver.h"
 
 #ifdef CONFIG_LIBNL20
 /* libnl 2.0 compatibility code */
 #define nl_handle nl_sock
-#define nl_handle_alloc_cb nl_socket_alloc_cb
-#define nl_handle_destroy nl_socket_free
+#define nl80211_handle_alloc nl_socket_alloc_cb
+#define nl80211_handle_destroy nl_socket_free
+#else
+/*
+ * libnl 1.1 has a bug, it tries to allocate socket numbers densely
+ * but when you free a socket again it will mess up its bitmap and
+ * and use the wrong number the next time it needs a socket ID.
+ * Therefore, we wrap the handle alloc/destroy and add our own pid
+ * accounting.
+ */
+static uint32_t port_bitmap[32] = { 0 };
+
+static struct nl_handle *nl80211_handle_alloc(void *cb)
+{
+       struct nl_handle *handle;
+       uint32_t pid = getpid() & 0x3FFFFF;
+       int i;
+
+       handle = nl_handle_alloc_cb(cb);
+
+       for (i = 0; i < 1024; i++) {
+               if (port_bitmap[i / 32] & (1 << (i % 32)))
+                       continue;
+               port_bitmap[i / 32] |= 1 << (i % 32);
+               pid += i << 22;
+               break;
+       }
+
+       nl_socket_set_local_port(handle, pid);
+
+       return handle;
+}
+
+static void nl80211_handle_destroy(struct nl_handle *handle)
+{
+       uint32_t port = nl_socket_get_local_port(handle);
+
+       port >>= 22;
+       port_bitmap[port / 32] &= ~(1 << (port % 32));
+
+       nl_handle_destroy(handle);
+}
 #endif /* CONFIG_LIBNL20 */
 
 
@@ -72,6 +114,8 @@ struct wpa_driver_nl80211_data {
        char brname[IFNAMSIZ];
        int ifindex;
        int if_removed;
+       int if_disabled;
+       struct rfkill_data *rfkill;
        struct wpa_driver_capa capa;
        int has_capability;
 
@@ -81,8 +125,10 @@ struct wpa_driver_nl80211_data {
 
        struct nl_handle *nl_handle;
        struct nl_handle *nl_handle_event;
+       struct nl_handle *nl_handle_preq;
        struct nl_cache *nl_cache;
        struct nl_cache *nl_cache_event;
+       struct nl_cache *nl_cache_preq;
        struct nl_cb *nl_cb;
        struct genl_family *nl80211;
 
@@ -97,17 +143,17 @@ struct wpa_driver_nl80211_data {
 
        int monitor_sock;
        int monitor_ifidx;
-       int probe_req_report;
        int disable_11b_rates;
 
        unsigned int pending_remain_on_chan:1;
-       unsigned int pending_send_action:1;
        unsigned int added_bridge:1;
        unsigned int added_if_into_bridge:1;
 
        u64 remain_on_chan_cookie;
        u64 send_action_cookie;
 
+       unsigned int last_mgmt_freq;
+
        struct wpa_driver_scan_filter *filter_ssids;
        size_t num_filter_ssids;
 
@@ -136,18 +182,26 @@ static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
                                   int local_state_change);
 static void nl80211_remove_monitor_interface(
        struct wpa_driver_nl80211_data *drv);
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+                                 unsigned int freq, const u8 *buf,
+                                 size_t buf_len, u64 *cookie);
+static int wpa_driver_nl80211_probe_req_report(void *priv, int report);
 
 #ifdef HOSTAPD
 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
 static int wpa_driver_nl80211_if_remove(void *priv,
                                        enum wpa_driver_if_type type,
                                        const char *ifname);
+#else /* HOSTAPD */
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+       return 0;
+}
 #endif /* HOSTAPD */
 
 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
-static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
-                                                       void *timeout_ctx);
 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
                                     int ifindex, int disabled);
 
@@ -389,10 +443,12 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
        struct wpa_driver_nl80211_data *drv = ctx;
        int attrlen, rta_len;
        struct rtattr *attr;
+       u32 brid = 0;
 
-       if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len)) {
-               wpa_printf(MSG_DEBUG, "Ignore event for foreign ifindex %d",
-                          ifi->ifi_index);
+       if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len) &&
+           !have_ifidx(drv, ifi->ifi_index)) {
+               wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
+                          "ifindex %d", ifi->ifi_index);
                return;
        }
 
@@ -403,6 +459,19 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
                   (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
                   (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
                   (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
+
+       if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
+               wpa_printf(MSG_DEBUG, "nl80211: Interface down");
+               drv->if_disabled = 1;
+               wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
+       }
+
+       if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
+               wpa_printf(MSG_DEBUG, "nl80211: Interface up");
+               drv->if_disabled = 0;
+               wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
+       }
+
        /*
         * Some drivers send the association event before the operup event--in
         * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
@@ -424,9 +493,21 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
                                drv,
                                ((char *) attr) + rta_len,
                                attr->rta_len - rta_len, 0);
-               }
+               } else if (attr->rta_type == IFLA_MASTER)
+                       brid = nla_get_u32((struct nlattr *) attr);
                attr = RTA_NEXT(attr, attrlen);
        }
+
+#ifdef HOSTAPD
+       if (ifi->ifi_family == AF_BRIDGE && brid) {
+               /* device has been added to bridge */
+               char namebuf[IFNAMSIZ];
+               if_indextoname(brid, namebuf);
+               wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
+                          brid, namebuf);
+               add_ifidx(drv, brid);
+       }
+#endif /* HOSTAPD */
 }
 
 
@@ -437,6 +518,7 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
        struct wpa_driver_nl80211_data *drv = ctx;
        int attrlen, rta_len;
        struct rtattr *attr;
+       u32 brid = 0;
 
        attrlen = len;
        attr = (struct rtattr *) buf;
@@ -448,9 +530,21 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
                                drv,
                                ((char *) attr) + rta_len,
                                attr->rta_len - rta_len, 1);
-               }
+               } else if (attr->rta_type == IFLA_MASTER)
+                       brid = nla_get_u32((struct nlattr *) attr);
                attr = RTA_NEXT(attr, attrlen);
        }
+
+#ifdef HOSTAPD
+       if (ifi->ifi_family == AF_BRIDGE && brid) {
+               /* device has been removed from bridge */
+               char namebuf[IFNAMSIZ];
+               if_indextoname(brid, namebuf);
+               wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
+                          "%s", brid, namebuf);
+               del_ifidx(drv, brid);
+       }
+#endif /* HOSTAPD */
 }
 
 
@@ -597,8 +691,8 @@ static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
 }
 
 
-static void mlme_event_action(struct wpa_driver_nl80211_data *drv,
-                             struct nlattr *freq, const u8 *frame, size_t len)
+static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
+                           struct nlattr *freq, const u8 *frame, size_t len)
 {
        const struct ieee80211_mgmt *mgmt;
        union wpa_event_data event;
@@ -614,15 +708,23 @@ static void mlme_event_action(struct wpa_driver_nl80211_data *drv,
        stype = WLAN_FC_GET_STYPE(fc);
 
        os_memset(&event, 0, sizeof(event));
-       event.rx_action.da = mgmt->da;
-       event.rx_action.sa = mgmt->sa;
-       event.rx_action.bssid = mgmt->bssid;
-       event.rx_action.category = mgmt->u.action.category;
-       event.rx_action.data = &mgmt->u.action.category + 1;
-       event.rx_action.len = frame + len - event.rx_action.data;
-       if (freq)
+       if (freq) {
                event.rx_action.freq = nla_get_u32(freq);
-       wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
+               drv->last_mgmt_freq = event.rx_action.freq;
+       }
+       if (stype == WLAN_FC_STYPE_ACTION) {
+               event.rx_action.da = mgmt->da;
+               event.rx_action.sa = mgmt->sa;
+               event.rx_action.bssid = mgmt->bssid;
+               event.rx_action.category = mgmt->u.action.category;
+               event.rx_action.data = &mgmt->u.action.category + 1;
+               event.rx_action.len = frame + len - event.rx_action.data;
+               wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
+       } else {
+               event.rx_mgmt.frame = frame;
+               event.rx_mgmt.frame_len = len;
+               wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
+       }
 }
 
 
@@ -639,10 +741,11 @@ static void mlme_event_action_tx_status(struct wpa_driver_nl80211_data *drv,
                return;
 
        cookie_val = nla_get_u64(cookie);
-       wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s",
+       wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s "
+                  "(ack=%d)",
                   (long long unsigned int) cookie_val,
                   cookie_val == drv->send_action_cookie ?
-                  " (match)" : " (unknown)");
+                  " (match)" : " (unknown)", ack != NULL);
        if (cookie_val != drv->send_action_cookie)
                return;
 
@@ -660,6 +763,63 @@ static void mlme_event_action_tx_status(struct wpa_driver_nl80211_data *drv,
 }
 
 
+static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
+                                      enum wpa_event_type type,
+                                      const u8 *frame, size_t len)
+{
+       const struct ieee80211_mgmt *mgmt;
+       union wpa_event_data event;
+       const u8 *bssid = NULL;
+       u16 reason_code = 0;
+
+       mgmt = (const struct ieee80211_mgmt *) frame;
+       if (len >= 24) {
+               bssid = mgmt->bssid;
+
+               if (drv->associated != 0 &&
+                   os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
+                   os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
+                       /*
+                        * We have presumably received this deauth as a
+                        * response to a clear_state_mismatch() outgoing
+                        * deauth.  Don't let it take us offline!
+                        */
+                       wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
+                                  "from Unknown BSSID " MACSTR " -- ignoring",
+                                  MAC2STR(bssid));
+                       return;
+               }
+       }
+
+       drv->associated = 0;
+       os_memset(&event, 0, sizeof(event));
+
+       /* Note: Same offset for Reason Code in both frame subtypes */
+       if (len >= 24 + sizeof(mgmt->u.deauth))
+               reason_code = le_to_host16(mgmt->u.deauth.reason_code);
+
+       if (type == EVENT_DISASSOC) {
+               event.disassoc_info.addr = bssid;
+               event.disassoc_info.reason_code = reason_code;
+               if (frame + len > mgmt->u.disassoc.variable) {
+                       event.disassoc_info.ie = mgmt->u.disassoc.variable;
+                       event.disassoc_info.ie_len = frame + len -
+                               mgmt->u.disassoc.variable;
+               }
+       } else {
+               event.deauth_info.addr = bssid;
+               event.deauth_info.reason_code = reason_code;
+               if (frame + len > mgmt->u.deauth.variable) {
+                       event.deauth_info.ie = mgmt->u.deauth.variable;
+                       event.deauth_info.ie_len = frame + len -
+                               mgmt->u.deauth.variable;
+               }
+       }
+
+       wpa_supplicant_event(drv->ctx, type, &event);
+}
+
+
 static void mlme_event(struct wpa_driver_nl80211_data *drv,
                       enum nl80211_commands cmd, struct nlattr *frame,
                       struct nlattr *addr, struct nlattr *timed_out,
@@ -689,17 +849,17 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv,
                mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
                break;
        case NL80211_CMD_DEAUTHENTICATE:
-               drv->associated = 0;
-               wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, NULL);
+               mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
+                                          nla_data(frame), nla_len(frame));
                break;
        case NL80211_CMD_DISASSOCIATE:
-               drv->associated = 0;
-               wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+               mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
+                                          nla_data(frame), nla_len(frame));
                break;
-       case NL80211_CMD_ACTION:
-               mlme_event_action(drv, freq, nla_data(frame), nla_len(frame));
+       case NL80211_CMD_FRAME:
+               mlme_event_mgmt(drv, freq, nla_data(frame), nla_len(frame));
                break;
-       case NL80211_CMD_ACTION_TX_STATUS:
+       case NL80211_CMD_FRAME_TX_STATUS:
                mlme_event_action_tx_status(drv, cookie, nla_data(frame),
                                            nla_len(frame), ack);
                break;
@@ -850,6 +1010,144 @@ static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
 }
 
 
+static int get_link_signal(struct nl_msg *msg, void *arg)
+{
+       struct nlattr *tb[NL80211_ATTR_MAX + 1];
+       struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+       struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
+       static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
+               [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
+       };
+       struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
+       static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
+               [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
+               [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
+               [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
+               [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
+       };
+       struct signal_change *sig_change = arg;
+
+       nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+                 genlmsg_attrlen(gnlh, 0), NULL);
+       if (!tb[NL80211_ATTR_STA_INFO] ||
+           nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
+                            tb[NL80211_ATTR_STA_INFO], policy))
+               return NL_SKIP;
+       if (!sinfo[NL80211_STA_INFO_SIGNAL])
+               return NL_SKIP;
+
+       sig_change->current_signal =
+               (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
+
+       if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
+               if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+                                    sinfo[NL80211_STA_INFO_TX_BITRATE],
+                                    rate_policy)) {
+                       sig_change->current_txrate = 0;
+               } else {
+                       if (rinfo[NL80211_RATE_INFO_BITRATE]) {
+                               sig_change->current_txrate =
+                                       nla_get_u16(rinfo[
+                                            NL80211_RATE_INFO_BITRATE]) * 100;
+                       }
+               }
+       }
+
+       return NL_SKIP;
+}
+
+
+static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
+                                  struct signal_change *sig)
+{
+       struct nl_msg *msg;
+
+       sig->current_signal = -9999;
+       sig->current_txrate = 0;
+
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -ENOMEM;
+
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+                   0, NL80211_CMD_GET_STATION, 0);
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+       NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
+
+       return send_and_recv_msgs(drv, msg, get_link_signal, sig);
+ nla_put_failure:
+       return -ENOBUFS;
+}
+
+
+static int get_link_noise(struct nl_msg *msg, void *arg)
+{
+       struct nlattr *tb[NL80211_ATTR_MAX + 1];
+       struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+       struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
+       static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
+               [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
+               [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
+       };
+       struct signal_change *sig_change = arg;
+
+       nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+                 genlmsg_attrlen(gnlh, 0), NULL);
+
+       if (!tb[NL80211_ATTR_SURVEY_INFO]) {
+               wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
+               return NL_SKIP;
+       }
+
+       if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
+                            tb[NL80211_ATTR_SURVEY_INFO],
+                            survey_policy)) {
+               wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
+                          "attributes!");
+               return NL_SKIP;
+       }
+
+       if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
+               return NL_SKIP;
+
+       if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
+           sig_change->frequency)
+               return NL_SKIP;
+
+       if (!sinfo[NL80211_SURVEY_INFO_NOISE])
+               return NL_SKIP;
+
+       sig_change->current_noise =
+               (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
+
+       return NL_SKIP;
+}
+
+
+static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
+                                 struct signal_change *sig_change)
+{
+       struct nl_msg *msg;
+
+       sig_change->current_noise = 9999;
+       sig_change->frequency = drv->assoc_freq;
+
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -ENOMEM;
+
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+                   NLM_F_DUMP, NL80211_CMD_GET_SURVEY, 0);
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+       return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
+ nla_put_failure:
+       return -ENOBUFS;
+}
+
+
 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
                              struct nlattr *tb[])
 {
@@ -861,6 +1159,8 @@ static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
        struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
        enum nl80211_cqm_rssi_threshold_event event;
        union wpa_event_data ed;
+       struct signal_change sig;
+       int res;
 
        if (tb[NL80211_ATTR_CQM] == NULL ||
            nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
@@ -886,6 +1186,21 @@ static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
        } else
                return;
 
+       res = nl80211_get_link_signal(drv, &sig);
+       if (res == 0) {
+               ed.signal_change.current_signal = sig.current_signal;
+               ed.signal_change.current_txrate = sig.current_txrate;
+               wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
+                          sig.current_signal, sig.current_txrate);
+       }
+
+       res = nl80211_get_link_noise(drv, &sig);
+       if (res == 0) {
+               ed.signal_change.current_noise = sig.current_noise;
+               wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
+                          sig.current_noise);
+       }
+
        wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
 }
 
@@ -895,13 +1210,14 @@ static int process_event(struct nl_msg *msg, void *arg)
        struct wpa_driver_nl80211_data *drv = arg;
        struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
        struct nlattr *tb[NL80211_ATTR_MAX + 1];
+       union wpa_event_data data;
 
        nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
                  genlmsg_attrlen(gnlh, 0), NULL);
 
        if (tb[NL80211_ATTR_IFINDEX]) {
                int ifindex = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
-               if (ifindex != drv->ifindex) {
+               if (ifindex != drv->ifindex && !have_ifidx(drv, ifindex)) {
                        wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d)"
                                   " for foreign interface (ifindex %d)",
                                   gnlh->cmd, ifindex);
@@ -942,8 +1258,8 @@ static int process_event(struct nl_msg *msg, void *arg)
        case NL80211_CMD_ASSOCIATE:
        case NL80211_CMD_DEAUTHENTICATE:
        case NL80211_CMD_DISASSOCIATE:
-       case NL80211_CMD_ACTION:
-       case NL80211_CMD_ACTION_TX_STATUS:
+       case NL80211_CMD_FRAME:
+       case NL80211_CMD_FRAME_TX_STATUS:
                mlme_event(drv, gnlh->cmd, tb[NL80211_ATTR_FRAME],
                           tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
                           tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
@@ -968,7 +1284,11 @@ static int process_event(struct nl_msg *msg, void *arg)
                        break;
                }
                drv->associated = 0;
-               wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+               os_memset(&data, 0, sizeof(data));
+               if (tb[NL80211_ATTR_REASON_CODE])
+                       data.disassoc_info.reason_code =
+                               nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
+               wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, &data);
                break;
        case NL80211_CMD_MICHAEL_MIC_FAILURE:
                mlme_event_michael_mic_failure(drv, tb);
@@ -985,6 +1305,16 @@ static int process_event(struct nl_msg *msg, void *arg)
        case NL80211_CMD_NOTIFY_CQM:
                nl80211_cqm_event(drv, tb);
                break;
+       case NL80211_CMD_REG_CHANGE:
+               wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
+               wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+                                    NULL);
+               break;
+       case NL80211_CMD_REG_BEACON_HINT:
+               wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
+               wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+                                    NULL);
+               break;
        default:
                wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
                           "(cmd=%d)", gnlh->cmd);
@@ -996,7 +1326,7 @@ static int process_event(struct nl_msg *msg, void *arg)
 
 
 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
-                                            void *sock_ctx)
+                                            void *handle)
 {
        struct nl_cb *cb;
        struct wpa_driver_nl80211_data *drv = eloop_ctx;
@@ -1008,7 +1338,7 @@ static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
                return;
        nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
        nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, process_event, drv);
-       nl_recvmsgs(drv->nl_handle_event, cb);
+       nl_recvmsgs(handle, cb);
        nl_cb_put(cb);
 }
 
@@ -1157,6 +1487,7 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
        }
 
        drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
+       drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
        drv->capa.max_remain_on_chan = 5000;
 
        return 0;
@@ -1164,8 +1495,7 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
 #endif /* HOSTAPD */
 
 
-static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
-                                     void *ctx)
+static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
 {
        int ret;
 
@@ -1178,14 +1508,14 @@ static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
                goto err1;
        }
 
-       drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb);
+       drv->nl_handle = nl80211_handle_alloc(drv->nl_cb);
        if (drv->nl_handle == NULL) {
                wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
                           "callbacks");
                goto err2;
        }
 
-       drv->nl_handle_event = nl_handle_alloc_cb(drv->nl_cb);
+       drv->nl_handle_event = nl80211_handle_alloc(drv->nl_cb);
        if (drv->nl_handle_event == NULL) {
                wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
                           "callbacks (event)");
@@ -1258,8 +1588,19 @@ static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
                goto err4;
        }
 
+       ret = nl_get_multicast_id(drv, "nl80211", "regulatory");
+       if (ret >= 0)
+               ret = nl_socket_add_membership(drv->nl_handle_event, ret);
+       if (ret < 0) {
+               wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
+                          "membership for regulatory events: %d (%s)",
+                          ret, strerror(-ret));
+               /* Continue without regulatory events */
+       }
+
        eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_event),
-                                wpa_driver_nl80211_event_receive, drv, ctx);
+                                wpa_driver_nl80211_event_receive, drv,
+                                drv->nl_handle_event);
 
        return 0;
 
@@ -1268,9 +1609,9 @@ err4:
 err3b:
        nl_cache_free(drv->nl_cache);
 err3:
-       nl_handle_destroy(drv->nl_handle_event);
+       nl80211_handle_destroy(drv->nl_handle_event);
 err2b:
-       nl_handle_destroy(drv->nl_handle);
+       nl80211_handle_destroy(drv->nl_handle);
 err2:
        nl_cb_put(drv->nl_cb);
 err1:
@@ -1278,6 +1619,29 @@ err1:
 }
 
 
+static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
+{
+       wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
+       /*
+        * This may be for any interface; use ifdown event to disable
+        * interface.
+        */
+}
+
+
+static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
+{
+       struct wpa_driver_nl80211_data *drv = ctx;
+       wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
+       if (linux_set_iface_flags(drv->ioctl_sock, drv->first_bss.ifname, 1)) {
+               wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
+                          "after rfkill unblock");
+               return;
+       }
+       /* rtnetlink ifup handler will report interface as enabled */
+}
+
+
 /**
  * wpa_driver_nl80211_init - Initialize nl80211 driver interface
  * @ctx: context to be used when calling wpa_supplicant functions,
@@ -1289,6 +1653,7 @@ static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
 {
        struct wpa_driver_nl80211_data *drv;
        struct netlink_config *cfg;
+       struct rfkill_config *rcfg;
        struct i802_bss *bss;
 
        drv = os_zalloc(sizeof(*drv));
@@ -1302,7 +1667,7 @@ static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
        drv->monitor_sock = -1;
        drv->ioctl_sock = -1;
 
-       if (wpa_driver_nl80211_init_nl(drv, ctx)) {
+       if (wpa_driver_nl80211_init_nl(drv)) {
                os_free(drv);
                return NULL;
        }
@@ -1324,19 +1689,34 @@ static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
                os_free(cfg);
                goto failed;
        }
+
+       rcfg = os_zalloc(sizeof(*rcfg));
+       if (rcfg == NULL)
+               goto failed;
+       rcfg->ctx = drv;
+       os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
+       rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
+       rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
+       drv->rfkill = rfkill_init(rcfg);
+       if (drv->rfkill == NULL) {
+               wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
+               os_free(rcfg);
+       }
+
        if (wpa_driver_nl80211_finish_drv_init(drv))
                goto failed;
 
        return bss;
 
 failed:
+       rfkill_deinit(drv->rfkill);
        netlink_deinit(drv->netlink);
        if (drv->ioctl_sock >= 0)
                close(drv->ioctl_sock);
 
        genl_family_put(drv->nl80211);
        nl_cache_free(drv->nl_cache);
-       nl_handle_destroy(drv->nl_handle);
+       nl80211_handle_destroy(drv->nl_handle);
        nl_cb_put(drv->nl_cb);
        eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
 
@@ -1345,8 +1725,9 @@ failed:
 }
 
 
-static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
-                                        const u8 *match, size_t match_len)
+static int nl80211_register_frame(struct wpa_driver_nl80211_data *drv,
+                                 struct nl_handle *nl_handle,
+                                 u16 type, const u8 *match, size_t match_len)
 {
        struct nl_msg *msg;
        int ret = -1;
@@ -1359,14 +1740,16 @@ static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
                    NL80211_CMD_REGISTER_ACTION, 0);
 
        NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+       NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
        NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
 
-       ret = send_and_recv(drv, drv->nl_handle_event, msg, NULL, NULL);
+       ret = send_and_recv(drv, nl_handle, msg, NULL, NULL);
        msg = NULL;
        if (ret) {
-               wpa_printf(MSG_DEBUG, "nl80211: Register Action command "
-                          "failed: ret=%d (%s)", ret, strerror(-ret));
-               wpa_hexdump(MSG_DEBUG, "nl80211: Register Action match",
+               wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
+                          "failed (type=%u): ret=%d (%s)",
+                          type, ret, strerror(-ret));
+               wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
                            match, match_len);
                goto nla_put_failure;
        }
@@ -1377,8 +1760,42 @@ nla_put_failure:
 }
 
 
+static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
+                                        const u8 *match, size_t match_len)
+{
+       u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
+       return nl80211_register_frame(drv, drv->nl_handle_event,
+                                     type, match, match_len);
+}
+
+
 static int nl80211_register_action_frames(struct wpa_driver_nl80211_data *drv)
 {
+#ifdef CONFIG_P2P
+       /* GAS Initial Request */
+       if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0a", 2) < 0)
+               return -1;
+       /* GAS Initial Response */
+       if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0b", 2) < 0)
+               return -1;
+       /* GAS Comeback Request */
+       if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0c", 2) < 0)
+               return -1;
+       /* GAS Comeback Response */
+       if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0d", 2) < 0)
+               return -1;
+       /* P2P Public Action */
+       if (nl80211_register_action_frame(drv,
+                                         (u8 *) "\x04\x09\x50\x6f\x9a\x09",
+                                         6) < 0)
+               return -1;
+       /* P2P Action */
+       if (nl80211_register_action_frame(drv,
+                                         (u8 *) "\x7f\x50\x6f\x9a\x09",
+                                         5) < 0)
+               return -1;
+#endif /* CONFIG_P2P */
+
        /* FT Action frames */
        if (nl80211_register_action_frame(drv, (u8 *) "\x06", 1) < 0)
                return -1;
@@ -1390,10 +1807,17 @@ static int nl80211_register_action_frames(struct wpa_driver_nl80211_data *drv)
 }
 
 
+static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
+{
+       wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
+}
+
+
 static int
 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
 {
        struct i802_bss *bss = &drv->first_bss;
+       int send_rfkill_event = 0;
 
        drv->ifindex = if_nametoindex(bss->ifname);
        drv->first_bss.ifindex = drv->ifindex;
@@ -1405,9 +1829,17 @@ wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
        }
 
        if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) {
-               wpa_printf(MSG_ERROR, "Could not set interface '%s' UP",
-                          bss->ifname);
-               return -1;
+               if (rfkill_is_blocked(drv->rfkill)) {
+                       wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
+                                  "interface '%s' due to rfkill",
+                                  bss->ifname);
+                       drv->if_disabled = 1;
+                       send_rfkill_event = 1;
+               } else {
+                       wpa_printf(MSG_ERROR, "nl80211: Could not set "
+                                  "interface '%s' UP", bss->ifname);
+                       return -1;
+               }
        }
 
        if (wpa_driver_nl80211_capa(drv))
@@ -1427,6 +1859,11 @@ wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
                 */
        }
 
+       if (send_rfkill_event) {
+               eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
+                                      drv, drv->ctx);
+       }
+
        return 0;
 }
 
@@ -1461,6 +1898,8 @@ static void wpa_driver_nl80211_deinit(void *priv)
        struct i802_bss *bss = priv;
        struct wpa_driver_nl80211_data *drv = bss->drv;
 
+       if (drv->nl_handle_preq)
+               wpa_driver_nl80211_probe_req_report(bss, 0);
        if (drv->added_if_into_bridge) {
                if (linux_br_del_if(drv->ioctl_sock, drv->brname, bss->ifname)
                    < 0)
@@ -1503,6 +1942,7 @@ static void wpa_driver_nl80211_deinit(void *priv)
 
        netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP);
        netlink_deinit(drv->netlink);
+       rfkill_deinit(drv->rfkill);
 
        eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
 
@@ -1516,13 +1956,10 @@ static void wpa_driver_nl80211_deinit(void *priv)
        genl_family_put(drv->nl80211);
        nl_cache_free(drv->nl_cache);
        nl_cache_free(drv->nl_cache_event);
-       nl_handle_destroy(drv->nl_handle);
-       nl_handle_destroy(drv->nl_handle_event);
+       nl80211_handle_destroy(drv->nl_handle);
+       nl80211_handle_destroy(drv->nl_handle_event);
        nl_cb_put(drv->nl_cb);
 
-       eloop_cancel_timeout(wpa_driver_nl80211_probe_req_report_timeout,
-                            drv, NULL);
-
        os_free(drv->filter_ssids);
 
        os_free(drv);
@@ -2252,7 +2689,8 @@ nla_put_failure:
 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
                                         const u8 *addr, int reason_code)
 {
-       wpa_printf(MSG_DEBUG, "%s", __func__);
+       wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+                  __func__, MAC2STR(addr), reason_code);
        drv->associated = 0;
        return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISCONNECT,
                                       reason_code, 0);
@@ -2266,7 +2704,8 @@ static int wpa_driver_nl80211_deauthenticate(void *priv, const u8 *addr,
        struct wpa_driver_nl80211_data *drv = bss->drv;
        if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
                return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
-       wpa_printf(MSG_DEBUG, "%s", __func__);
+       wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+                  __func__, MAC2STR(addr), reason_code);
        drv->associated = 0;
        return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
                                       reason_code, 0);
@@ -2353,10 +2792,6 @@ retry:
        wpa_hexdump(MSG_DEBUG, "  * IEs", params->ie, params->ie_len);
        if (params->ie)
                NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
-       /*
-        * TODO: if multiple auth_alg options enabled, try them one by one if
-        * the AP rejects authentication due to unknown auth alg
-        */
        if (params->auth_alg & WPA_AUTH_ALG_OPEN)
                type = NL80211_AUTHTYPE_OPEN_SYSTEM;
        else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
@@ -2739,6 +3174,18 @@ static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
        mgmt = (struct ieee80211_mgmt *) data;
        fc = le_to_host16(mgmt->frame_control);
 
+       if (drv->nlmode == NL80211_IFTYPE_STATION &&
+           WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+           WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
+               /*
+                * The use of last_mgmt_freq is a bit of a hack,
+                * but it works due to the single-threaded nature
+                * of wpa_supplicant.
+                */
+               return nl80211_send_frame_cmd(drv, drv->last_mgmt_freq,
+                                             data, data_len, NULL);
+       }
+
        if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
            WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
                /*
@@ -3111,12 +3558,6 @@ static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
                return;
        }
 
-       if (drv->nlmode == NL80211_IFTYPE_STATION && !drv->probe_req_report) {
-               wpa_printf(MSG_DEBUG, "nl80211: Ignore monitor interface "
-                          "frame since Probe Request reporting is disabled");
-               return;
-       }
-
        if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
                printf("received invalid radiotap frame\n");
                return;
@@ -3540,6 +3981,9 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
                                 struct wpa_driver_associate_params *params)
 {
+       if (params->p2p)
+               wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
+                          "group (GO)");
        if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode) ||
            wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
                nl80211_remove_monitor_interface(drv);
@@ -3874,6 +4318,9 @@ static int wpa_driver_nl80211_associate(
                        params->prev_bssid);
        }
 
+       if (params->p2p)
+               wpa_printf(MSG_DEBUG, "  * P2P group");
+
        ret = send_and_recv_msgs(drv, msg, NULL, NULL);
        msg = NULL;
        if (ret) {
@@ -3923,6 +4370,7 @@ static int wpa_driver_nl80211_set_mode(void *priv, int mode)
        struct wpa_driver_nl80211_data *drv = bss->drv;
        int ret = -1;
        int nlmode;
+       int i;
 
        switch (mode) {
        case 0:
@@ -3955,11 +4403,23 @@ static int wpa_driver_nl80211_set_mode(void *priv, int mode)
         * take the device down, try to set the mode again, and bring the
         * device back up.
         */
-       if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) == 0) {
-               /* Try to set the mode again while the interface is down */
-               ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
-               if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
-                       ret = -1;
+       wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
+                  "interface down");
+       for (i = 0; i < 10; i++) {
+               if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) ==
+                   0) {
+                       /* Try to set the mode again while the interface is
+                        * down */
+                       ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
+                       if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname,
+                                                 1))
+                               ret = -1;
+                       if (!ret)
+                               break;
+               } else
+                       wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
+                                  "interface down");
+               os_sleep(0, 100000);
        }
 
        if (!ret) {
@@ -4075,7 +4535,9 @@ static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
                           "interfaces");
                wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
                return;
-       }
+       } else if (!old)
+               os_memcpy(drv->if_indices, drv->default_if_indices,
+                         sizeof(drv->default_if_indices));
        drv->if_indices[drv->num_if_indices] = ifidx;
        drv->num_if_indices++;
 }
@@ -4467,6 +4929,7 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr,
        struct i802_bss *bss = priv;
        struct wpa_driver_nl80211_data *drv = bss->drv;
        struct nl_msg *msg;
+       int ret = -ENOBUFS;
 
        msg = nlmsg_alloc();
        if (!msg)
@@ -4481,9 +4944,15 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr,
        NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
                    if_nametoindex(ifname));
 
-       return send_and_recv_msgs(drv, msg, NULL, NULL);
+       ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+       if (ret < 0) {
+               wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
+                          MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
+                          MAC2STR(addr), ifname, vlan_id, ret,
+                          strerror(-ret));
+       }
  nla_put_failure:
-       return -ENOBUFS;
+       return ret;
 }
 
 
@@ -4730,7 +5199,7 @@ failed:
 
        genl_family_put(drv->nl80211);
        nl_cache_free(drv->nl_cache);
-       nl_handle_destroy(drv->nl_handle);
+       nl80211_handle_destroy(drv->nl_handle);
        nl_cb_put(drv->nl_cb);
 
        os_free(drv);
@@ -4751,10 +5220,13 @@ static enum nl80211_iftype wpa_driver_nl80211_if_type(
 {
        switch (type) {
        case WPA_IF_STATION:
+       case WPA_IF_P2P_CLIENT:
+       case WPA_IF_P2P_GROUP:
                return NL80211_IFTYPE_STATION;
        case WPA_IF_AP_VLAN:
                return NL80211_IFTYPE_AP_VLAN;
        case WPA_IF_AP_BSS:
+       case WPA_IF_P2P_GO:
                return NL80211_IFTYPE_AP;
        }
        return -1;
@@ -4865,6 +5337,45 @@ static int cookie_handler(struct nl_msg *msg, void *arg)
 }
 
 
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+                                 unsigned int freq, const u8 *buf,
+                                 size_t buf_len, u64 *cookie_out)
+{
+       struct nl_msg *msg;
+       u64 cookie;
+       int ret = -1;
+
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -1;
+
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+                   NL80211_CMD_FRAME, 0);
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+       NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+       NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
+
+       cookie = 0;
+       ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+       msg = NULL;
+       if (ret) {
+               wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
+                          "(%s)", ret, strerror(-ret));
+               goto nla_put_failure;
+       }
+       wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted; "
+                  "cookie 0x%llx", (long long unsigned int) cookie);
+
+       if (cookie_out)
+               *cookie_out = cookie;
+
+nla_put_failure:
+       nlmsg_free(msg);
+       return ret;
+}
+
+
 static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
                                          const u8 *dst, const u8 *src,
                                          const u8 *bssid,
@@ -4873,10 +5384,8 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
        struct i802_bss *bss = priv;
        struct wpa_driver_nl80211_data *drv = bss->drv;
        int ret = -1;
-       struct nl_msg *msg;
        u8 *buf;
        struct ieee80211_hdr *hdr;
-       u64 cookie;
 
        wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d)",
                   drv->ifindex);
@@ -4892,44 +5401,13 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
        os_memcpy(hdr->addr2, src, ETH_ALEN);
        os_memcpy(hdr->addr3, bssid, ETH_ALEN);
 
-       if (drv->nlmode == NL80211_IFTYPE_AP) {
+       if (drv->nlmode == NL80211_IFTYPE_AP)
                ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len);
-               os_free(buf);
-               return ret;
-       }
-
-       msg = nlmsg_alloc();
-       if (!msg) {
-               os_free(buf);
-               return -1;
-       }
-
-       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
-                   NL80211_CMD_ACTION, 0);
-
-       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
-       NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
-       NLA_PUT(msg, NL80211_ATTR_FRAME, 24 + data_len, buf);
-       os_free(buf);
-       buf = NULL;
-
-       cookie = 0;
-       ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
-       msg = NULL;
-       if (ret) {
-               wpa_printf(MSG_DEBUG, "nl80211: Action command failed: ret=%d "
-                          "(%s)", ret, strerror(-ret));
-               goto nla_put_failure;
-       }
-       wpa_printf(MSG_DEBUG, "nl80211: Action TX command accepted; "
-                  "cookie 0x%llx", (long long unsigned int) cookie);
-       drv->send_action_cookie = cookie;
-       drv->pending_send_action = 1;
-       ret = 0;
+       else
+               ret = nl80211_send_frame_cmd(drv, freq, buf, 24 + data_len,
+                                            &drv->send_action_cookie);
 
-nla_put_failure:
        os_free(buf);
-       nlmsg_free(msg);
        return ret;
 }
 
@@ -4964,7 +5442,8 @@ static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
                return 0;
        }
        wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
-                  "(freq=%d): %d (%s)", freq, ret, strerror(-ret));
+                  "(freq=%d duration=%u): %d (%s)",
+                  freq, duration, ret, strerror(-ret));
 nla_put_failure:
        return -1;
 }
@@ -5007,25 +5486,6 @@ nla_put_failure:
 }
 
 
-static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
-                                                       void *timeout_ctx)
-{
-       struct wpa_driver_nl80211_data *drv = eloop_ctx;
-       if (drv->monitor_ifidx < 0)
-               return; /* monitor interface already removed */
-
-       if (drv->nlmode != NL80211_IFTYPE_STATION)
-               return; /* not in station mode anymore */
-
-       if (drv->probe_req_report)
-               return; /* reporting enabled */
-
-       wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface due to no "
-                  "Probe Request reporting needed anymore");
-       nl80211_remove_monitor_interface(drv);
-}
-
-
 static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
 {
        struct i802_bss *bss = priv;
@@ -5037,30 +5497,74 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
                           drv->nlmode);
                return -1;
        }
-       drv->probe_req_report = report;
 
-       if (report) {
-               eloop_cancel_timeout(
-                       wpa_driver_nl80211_probe_req_report_timeout,
-                       drv, NULL);
-               if (drv->monitor_ifidx < 0 &&
-                   nl80211_create_monitor_interface(drv))
-                       return -1;
-       } else {
-               /*
-                * It takes a while to remove the monitor interface, so try to
-                * avoid doing this if it is needed again shortly. Instead,
-                * schedule the interface to be removed later if no need for it
-                * is seen.
-                */
-               wpa_printf(MSG_DEBUG, "nl80211: Scheduling monitor interface "
-                          "to be removed after 10 seconds of no use");
-               eloop_register_timeout(
-                       10, 0, wpa_driver_nl80211_probe_req_report_timeout,
-                       drv, NULL);
+       if (!report) {
+               if (drv->nl_handle_preq) {
+                       eloop_unregister_read_sock(
+                               nl_socket_get_fd(drv->nl_handle_preq));
+                       nl_cache_free(drv->nl_cache_preq);
+                       nl80211_handle_destroy(drv->nl_handle_preq);
+                       drv->nl_handle_preq = NULL;
+               }
+               return 0;
+       }
+
+       if (drv->nl_handle_preq) {
+               wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
+                          "already on!");
+               return 0;
+       }
+
+       drv->nl_handle_preq = nl80211_handle_alloc(drv->nl_cb);
+       if (drv->nl_handle_preq == NULL) {
+               wpa_printf(MSG_ERROR, "nl80211: Failed to allocate "
+                          "netlink callbacks (preq)");
+               goto out_err1;
+       }
+
+       if (genl_connect(drv->nl_handle_preq)) {
+               wpa_printf(MSG_ERROR, "nl80211: Failed to connect to "
+                          "generic netlink (preq)");
+               goto out_err2;
+               return -1;
+       }
+
+#ifdef CONFIG_LIBNL20
+       if (genl_ctrl_alloc_cache(drv->nl_handle_preq,
+                                 &drv->nl_cache_preq) < 0) {
+               wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+                          "netlink cache (preq)");
+               goto out_err2;
+       }
+#else /* CONFIG_LIBNL20 */
+       drv->nl_cache_preq = genl_ctrl_alloc_cache(drv->nl_handle_preq);
+       if (drv->nl_cache_preq == NULL) {
+               wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+                          "netlink cache (preq)");
+               goto out_err2;
+       }
+#endif /* CONFIG_LIBNL20 */
+
+       if (nl80211_register_frame(drv, drv->nl_handle_preq,
+                                  (WLAN_FC_TYPE_MGMT << 2) |
+                                  (WLAN_FC_STYPE_PROBE_REQ << 4),
+                                  NULL, 0) < 0) {
+               goto out_err3;
        }
 
+       eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_preq),
+                                wpa_driver_nl80211_event_receive, drv,
+                                drv->nl_handle_preq);
+
        return 0;
+
+ out_err3:
+       nl_cache_free(drv->nl_cache_preq);
+ out_err2:
+       nl80211_handle_destroy(drv->nl_handle_preq);
+       drv->nl_handle_preq = NULL;
+ out_err1:
+       return -1;
 }
 
 
@@ -5240,6 +5744,28 @@ static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
 }
 
 
+static int nl80211_set_intra_bss(void *priv, int enabled)
+{
+       struct i802_bss *bss = priv;
+       struct wpa_driver_nl80211_data *drv = bss->drv;
+       struct nl_msg *msg;
+
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -ENOMEM;
+
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+                   NL80211_CMD_SET_BSS, 0);
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+       NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, !enabled);
+
+       return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+       return -ENOBUFS;
+}
+
+
 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
        .name = "nl80211",
        .desc = "Linux nl80211/cfg80211",
@@ -5299,4 +5825,5 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
        .send_ft_action = nl80211_send_ft_action,
        .signal_monitor = nl80211_signal_monitor,
        .send_frame = nl80211_send_frame,
+       .set_intra_bss = nl80211_set_intra_bss,
 };