[APR-2987]wlbt: NAN datapath logs
[GitHub/MotorolaMobilityLLC/hardware-samsung_slsi-scsc_wifibt-wifi_hal.git] / gscan.cpp
index 46929f084e1e0df14d82ae7dfaa9d42dc48f486c..e3227e1b47a601210676d4d23b0aafb6b06406bd 100755 (executable)
--- a/gscan.cpp
+++ b/gscan.cpp
@@ -1,5 +1,5 @@
-
 #include <stdint.h>
+#include <stddef.h>
 #include <fcntl.h>
 #include <sys/socket.h>
 #include <netlink/genl/genl.h>
@@ -18,8 +18,6 @@
 
 #include "sync.h"
 
-#define LOG_TAG  "WifiHAL"
-
 #include <utils/Log.h>
 
 #include "wifi_hal.h"
 #include "cpp_bindings.h"
 
 typedef enum {
+    EPNO_ATTRIBUTE_MINIMUM_5G_RSSI,
+    EPNO_ATTRIBUTE_MINIMUM_2G_RSSI,
+    EPNO_ATTRIBUTE_INITIAL_SCORE_MAX,
+    EPNO_ATTRIBUTE_CUR_CONN_BONUS,
+    EPNO_ATTRIBUTE_SAME_NETWORK_BONUS,
+    EPNO_ATTRIBUTE_SECURE_BONUS,
+    EPNO_ATTRIBUTE_5G_BONUS,
+    EPNO_ATTRIBUTE_SSID_NUM,
+    EPNO_ATTRIBUTE_SSID_LIST,
+    EPNO_ATTRIBUTE_SSID,
+    EPNO_ATTRIBUTE_SSID_LEN,
+    EPNO_ATTRIBUTE_FLAGS,
+    EPNO_ATTRIBUTE_AUTH,
+    EPNO_ATTRIBUTE_MAX
+} EPNO_ATTRIBUTE;
 
-    GSCAN_ATTRIBUTE_NUM_BUCKETS = 10,
-    GSCAN_ATTRIBUTE_BASE_PERIOD,
-    GSCAN_ATTRIBUTE_BUCKETS_BAND,
-    GSCAN_ATTRIBUTE_BUCKET_ID,
-    GSCAN_ATTRIBUTE_BUCKET_PERIOD,
-    GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS,
-    GSCAN_ATTRIBUTE_BUCKET_CHANNELS,
-    GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN,
-    GSCAN_ATTRIBUTE_REPORT_THRESHOLD,
-    GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE,
-    GSCAN_ATTRIBUTE_REPORT_THRESHOLD_NUM_SCANS,
-    GSCAN_ATTRIBUTE_BAND = GSCAN_ATTRIBUTE_BUCKETS_BAND,
-
-    GSCAN_ATTRIBUTE_ENABLE_FEATURE = 20,
-    GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE,              /* indicates no more results */
-    GSCAN_ATTRIBUTE_REPORT_EVENTS,
-
-    /* remaining reserved for additional attributes */
-    GSCAN_ATTRIBUTE_NUM_OF_RESULTS = 30,
-    GSCAN_ATTRIBUTE_SCAN_RESULTS,                       /* flat array of wifi_scan_result */
-    GSCAN_ATTRIBUTE_NUM_CHANNELS,
-    GSCAN_ATTRIBUTE_CHANNEL_LIST,
-    GSCAN_ATTRIBUTE_SCAN_ID,
-    GSCAN_ATTRIBUTE_SCAN_FLAGS,
-
-    /* remaining reserved for additional attributes */
-
-    GSCAN_ATTRIBUTE_SSID = 40,
-    GSCAN_ATTRIBUTE_BSSID,
-    GSCAN_ATTRIBUTE_CHANNEL,
-    GSCAN_ATTRIBUTE_RSSI,
-    GSCAN_ATTRIBUTE_TIMESTAMP,
-    GSCAN_ATTRIBUTE_RTT,
-    GSCAN_ATTRIBUTE_RTTSD,
-
-    /* remaining reserved for additional attributes */
-
-    GSCAN_ATTRIBUTE_HOTLIST_BSSIDS = 50,
-    GSCAN_ATTRIBUTE_RSSI_LOW,
-    GSCAN_ATTRIBUTE_RSSI_HIGH,
-    GSCAN_ATTRIBUTE_HOTLIST_ELEM,
-    GSCAN_ATTRIBUTE_HOTLIST_FLUSH,
-    GSCAN_ATTRIBUTE_CHANNEL_NUMBER,
-
-    /* remaining reserved for additional attributes */
-    GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE = 60,
-    GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE,
-    GSCAN_ATTRIBUTE_MIN_BREACHING,
-    GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS,
-
-    GSCAN_ATTRIBUTE_BUCKET_STEP_COUNT = 70,
-    GSCAN_ATTRIBUTE_BUCKET_EXPONENT,
-    GSCAN_ATTRIBUTE_BUCKET_MAX_PERIOD,
-
-    GSCAN_ATTRIBUTE_MAX
-
-} GSCAN_ATTRIBUTE;
+typedef enum {
+    EPNO_ATTRIBUTE_HS_PARAM_LIST,
+    EPNO_ATTRIBUTE_HS_NUM,
+    EPNO_ATTRIBUTE_HS_ID,
+    EPNO_ATTRIBUTE_HS_REALM,
+    EPNO_ATTRIBUTE_HS_CONSORTIUM_IDS,
+    EPNO_ATTRIBUTE_HS_PLMN,
+    EPNO_ATTRIBUTE_HS_MAX
+} EPNO_HS_ATTRIBUTE;
 
 
 class GetCapabilitiesCommand : public WifiCommand
@@ -98,11 +63,9 @@ public:
     }
 
     virtual int create() {
-        ALOGD("Creating message to get scan capablities; iface = %d", mIfaceInfo->id);
-
         int ret = mMsg.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_GET_CAPABILITIES);
         if (ret < 0) {
-           ALOGD("NL message creation failed");
+            ALOGE("NL message creation failed");
             return ret;
         }
 
@@ -112,22 +75,14 @@ public:
 protected:
     virtual int handleResponse(WifiEvent& reply) {
 
-        ALOGD("In GetCapabilities::handleResponse");
-
         if (reply.get_cmd() != NL80211_CMD_VENDOR) {
-            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
+            ALOGE("Ignoring reply with cmd = %d", reply.get_cmd());
             return NL_SKIP;
         }
 
-        int id = reply.get_vendor_id();
-        int subcmd = reply.get_vendor_subcmd();
-
         void *data = reply.get_vendor_data();
         int len = reply.get_vendor_data_len();
 
-        ALOGD("Id = %0x, subcmd = %d, len = %d, expected len = %d", id, subcmd, len,
-                    sizeof(*mCapabilities));
-
         memcpy(mCapabilities, data, min(len, (int) sizeof(*mCapabilities)));
 
         return NL_OK;
@@ -157,8 +112,6 @@ public:
         memset(channels, 0, sizeof(wifi_channel) * max_channels);
     }
     virtual int create() {
-        ALOGD("Creating message to get channel list; iface = %d", mIfaceInfo->id);
-
         int ret = mMsg.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_GET_VALID_CHANNELS);
         if (ret < 0) {
             return ret;
@@ -178,21 +131,16 @@ public:
 protected:
     virtual int handleResponse(WifiEvent& reply) {
 
-        ALOGD("In GetChannelList::handleResponse");
-
         if (reply.get_cmd() != NL80211_CMD_VENDOR) {
-            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
+            ALOGE("Ignoring reply with cmd = %d", reply.get_cmd());
             return NL_SKIP;
         }
 
-        int id = reply.get_vendor_id();
-        int subcmd = reply.get_vendor_subcmd();
         int num_channels_to_copy = 0;
 
         nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
         int len = reply.get_vendor_data_len();
 
-        ALOGD("Id = %0x, subcmd = %d, len = %d", id, subcmd, len);
         if (vendor_data == NULL || len == 0) {
             ALOGE("no vendor data in GetChannelList response; ignoring it");
             return NL_SKIP;
@@ -201,7 +149,7 @@ protected:
         for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
             if (it.get_type() == GSCAN_ATTRIBUTE_NUM_CHANNELS) {
                 num_channels_to_copy = it.get_u32();
-                ALOGD("Got channel list with %d channels", num_channels_to_copy);
+                /*ALOGD("Got channel list with %d channels", num_channels_to_copy);*/
                 if(num_channels_to_copy > max_channels)
                     num_channels_to_copy = max_channels;
                 *num_channels = num_channels_to_copy;
@@ -228,6 +176,7 @@ wifi_error wifi_get_valid_channels(wifi_interface_handle handle,
 
 /* helper functions */
 
+/*
 static int parseScanResults(wifi_scan_result *results, int num, nlattr *attr)
 {
     memset(results, 0, sizeof(wifi_scan_result) * num);
@@ -235,8 +184,6 @@ static int parseScanResults(wifi_scan_result *results, int num, nlattr *attr)
     int i = 0;
     for (nl_iterator it(attr); it.has_next() && i < num; it.next(), i++) {
 
-        int index = it.get_type();
-        ALOGD("retrieved scan result %d", index);
         nlattr *sc_data = (nlattr *) it.get_data();
         wifi_scan_result *result = results + i;
 
@@ -268,6 +215,7 @@ static int parseScanResults(wifi_scan_result *results, int num, nlattr *attr)
 
     return i;
 }
+*/
 
 int createFeatureRequest(WifiRequest& request, int subcmd) {
 
@@ -284,12 +232,10 @@ class ScanCommand : public WifiCommand
     wifi_scan_cmd_params *mParams;
     wifi_scan_result_handler mHandler;
     static unsigned mGlobalFullScanBuckets;
-    bool mLocalFullScanBuckets;
 public:
     ScanCommand(wifi_interface_handle iface, int id, wifi_scan_cmd_params *params,
                 wifi_scan_result_handler handler)
-        : WifiCommand(iface, id), mParams(params), mHandler(handler),
-          mLocalFullScanBuckets(0)
+        : WifiCommand(iface, id), mParams(params), mHandler(handler)
     { }
 
     int createSetupRequest(WifiRequest& request) {
@@ -304,7 +250,7 @@ public:
             return result;
         }
 
-       result = request.put_u32(GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN, mParams->max_ap_per_scan);
+        result = request.put_u32(GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN, mParams->max_ap_per_scan);
         if (result < 0) {
             return result;
         }
@@ -340,6 +286,9 @@ public:
                 return result;
             }
 
+            if (mParams->buckets[i].report_events == 0) {
+                mParams->buckets[i].report_events = REPORT_EVENTS_EACH_SCAN;
+            }
             result = request.put_u32(GSCAN_ATTRIBUTE_REPORT_EVENTS,
                     mParams->buckets[i].report_events);
             if (result < 0) {
@@ -353,7 +302,7 @@ public:
             }
 
             result = request.put_u32(GSCAN_ATTRIBUTE_BUCKET_EXPONENT,
-                    mParams->buckets[i].exponent);
+                    mParams->buckets[i].base);
             if (result < 0) {
                 return result;
             }
@@ -397,21 +346,20 @@ public:
     }
 
     int start() {
-        ALOGD(" sending scan req to driver");
+        ALOGD("starting Gscan");
         WifiRequest request(familyId(), ifaceId());
         int result = createSetupRequest(request);
         if (result != WIFI_SUCCESS) {
             ALOGE("failed to create setup request; result = %d", result);
             return result;
         }
-        ALOGD("Starting scan");
 
         registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SCAN_RESULTS_AVAILABLE);
         registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_COMPLETE_SCAN);
 
         int nBuckets = 0;
         for (int i = 0; i < mParams->num_buckets; i++) {
-            if (mParams->buckets[i].report_events == 2) {
+            if (mParams->buckets[i].report_events & REPORT_EVENTS_FULL_RESULTS) {
                 nBuckets++;
             }
         }
@@ -428,12 +376,12 @@ public:
             return result;
         }
 
-      
+
         return result;
     }
 
     virtual int cancel() {
-        ALOGD("Stopping scan");
+        ALOGD("Stopping Gscan");
 
         WifiRequest request(familyId(), ifaceId());
         int result = createStopRequest(request);
@@ -459,57 +407,47 @@ public:
     }
 
     virtual int handleEvent(WifiEvent& event) {
-        ALOGD("Got a scan results event");
-
-        event.log();
+        //event.log();
 
         nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
         unsigned int len = event.get_vendor_data_len();
         int event_id = event.get_vendor_subcmd();
-        ALOGD("handleEvent, event_id = %d", event_id);
 
         if(event_id == GSCAN_EVENT_COMPLETE_SCAN) {
             if (vendor_data == NULL || len != 4) {
-                ALOGD("Scan complete type not mentioned!");
+                ALOGE("Scan complete type not mentioned!");
                 return NL_SKIP;
             }
             wifi_scan_event evt_type;
 
             evt_type = (wifi_scan_event) event.get_u32(NL80211_ATTR_VENDOR_DATA);
-            ALOGD("Scan complete: Received event type %d", evt_type);
             if(*mHandler.on_scan_event)
-                (*mHandler.on_scan_event)(evt_type, evt_type);
+                (*mHandler.on_scan_event)(id(), evt_type);
         } else if(event_id == GSCAN_EVENT_FULL_SCAN_RESULTS) {
-           if (vendor_data == NULL || len < sizeof(wifi_scan_result)) {
-               ALOGD("No scan results found");
-               return NL_SKIP;
-           }
-           wifi_scan_result *result = (wifi_scan_result *)event.get_vendor_data();
-
-           if(*mHandler.on_full_scan_result)
-               (*mHandler.on_full_scan_result)(id(), result);
-
-           ALOGD("%-32s\t", result->ssid);
-
-           ALOGD("%02x:%02x:%02x:%02x:%02x:%02x ", result->bssid[0], result->bssid[1],
-                   result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]);
-
-           ALOGD("%d\t", result->rssi);
-           ALOGD("%d\t", result->channel);
-           ALOGD("%lld\t", result->ts);
-           ALOGD("%lld\t", result->rtt);
-           ALOGD("%lld\n", result->rtt_sd);
-        } else {
-
-            if (vendor_data == NULL || len != 4) {
-                ALOGD("No scan results found");
-                return NL_SKIP;
+            uint32_t bucket_scanned = 0;
+            wifi_scan_result *scan_result = NULL;
+            for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
+                if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_BUCKET_BIT) {
+                    bucket_scanned = it.get_u32();
+                } else if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS) {
+                    if (it.get_len() >= (int)sizeof(*scan_result))
+                        scan_result = (wifi_scan_result *)it.get_data();
+                }
+            }
+            if (scan_result) {
+                if(*mHandler.on_full_scan_result)
+                    (*mHandler.on_full_scan_result)(id(), scan_result, bucket_scanned);
+/*
+                    ALOGD("%-32s\t", scan_result->ssid);
+                    ALOGD("%02x:%02x:%02x:%02x:%02x:%02x ", scan_result->bssid[0], scan_result->bssid[1],
+                            scan_result->bssid[2], scan_result->bssid[3], scan_result->bssid[4], scan_result->bssid[5]);
+                    ALOGD("%d\t", scan_result->rssi);
+                    ALOGD("%d\t", scan_result->channel);
+                    ALOGD("%lld\t", scan_result->ts);
+                    ALOGD("%lld\t", scan_result->rtt);
+                    ALOGD("%lld\n", scan_result->rtt_sd);
+*/
             }
-
-            int num = event.get_u32(NL80211_ATTR_VENDOR_DATA);
-            ALOGD("Found %d scan results", num);
-            if(*mHandler.on_scan_results_available)
-                (*mHandler.on_scan_results_available)(id(), num);
         }
         return NL_SKIP;
     }
@@ -525,8 +463,6 @@ wifi_error wifi_start_gscan(
 {
     wifi_handle handle = getWifiHandle(iface);
 
-    ALOGD("Starting GScan, halHandle = %p", handle);
-
     ScanCommand *cmd = new ScanCommand(iface, id, &params, handler);
     wifi_register_cmd(handle, id, cmd);
     return (wifi_error)cmd->start();
@@ -534,13 +470,11 @@ wifi_error wifi_start_gscan(
 
 wifi_error wifi_stop_gscan(wifi_request_id id, wifi_interface_handle iface)
 {
-    ALOGD("Stopping GScan");
     wifi_handle handle = getWifiHandle(iface);
 
     if(id == -1) {
         wifi_scan_result_handler handler;
         wifi_scan_cmd_params dummy_params;
-        wifi_handle handle = getWifiHandle(iface);
         memset(&handler, 0, sizeof(handler));
 
         ScanCommand *cmd = new ScanCommand(iface, id, &dummy_params, handler);
@@ -575,7 +509,10 @@ public:
             wifi_cached_scan_results *results, int max, int *num)
         : WifiCommand(iface, -1), mScans(results), mMax(max), mNum(num),
                 mRetrieved(0), mFlush(flush), mCompleted(0)
-    { }
+    {
+        memset(mScanResults,0,sizeof(mScanResults));
+        mNextScanResult = 0;
+    }
 
     int createRequest(WifiRequest& request, int num, byte flush) {
         int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_GET_SCAN_RESULTS);
@@ -595,7 +532,6 @@ public:
 
     int execute() {
         WifiRequest request(familyId(), ifaceId());
-        ALOGD("retrieving %d scan results", mMax);
 
         for (int i = 0; i < 10 && mRetrieved < mMax; i++) {
             int result = createRequest(request, (mMax - mRetrieved), mFlush);
@@ -627,18 +563,12 @@ public:
     }
 
     virtual int handleResponse(WifiEvent& reply) {
-        ALOGD("In GetScanResultsCommand::handleResponse");
 
         if (reply.get_cmd() != NL80211_CMD_VENDOR) {
-            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
+            ALOGE("Ignoring reply with cmd = %d", reply.get_cmd());
             return NL_SKIP;
         }
 
-        int id = reply.get_vendor_id();
-        int subcmd = reply.get_vendor_subcmd();
-
-        ALOGD("Id = %0x, subcmd = %d", id, subcmd);
-
         nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
         int len = reply.get_vendor_data_len();
 
@@ -650,19 +580,19 @@ public:
         for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
             if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE) {
                 mCompleted = it.get_u8();
-                ALOGD("retrieved mCompleted flag : %d", mCompleted);
+                //ALOGD("retrieved mCompleted flag : %d", mCompleted);
             } else if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS || it.get_type() == 0) {
                 int scan_id = 0, flags = 0, num = 0;
                 for (nl_iterator it2(it.get()); it2.has_next(); it2.next()) {
                     if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_ID) {
                         scan_id = it2.get_u32();
-                        ALOGD("retrieved scan_id : 0x%0x", scan_id);
+                        //ALOGD("retrieved scan_id : 0x%0x", scan_id);
                     } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_FLAGS) {
                         flags = it2.get_u8();
-                        ALOGD("retrieved scan_flags : 0x%0x", flags);
+                        //ALOGD("retrieved scan_flags : 0x%0x", flags);
                     } else if (it2.get_type() == GSCAN_ATTRIBUTE_NUM_OF_RESULTS) {
                         num = it2.get_u32();
-                        ALOGD("retrieved num_results: %d", num);
+                        //ALOGD("retrieved num_results: %d", num);
                     } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS) {
                         if (mRetrieved >= mMax) {
                             ALOGW("Stored %d scans, ignoring excess results", mRetrieved);
@@ -673,7 +603,7 @@ public:
                         num = min((int)MAX_AP_CACHE_PER_SCAN, num);
                         memcpy(mScanResults + mNextScanResult, it2.get_data(),
                                 sizeof(wifi_scan_result) * num);
-                        ALOGD("Retrieved %d scan results", num);
+                        /*
                         wifi_scan_result *results = (wifi_scan_result *)it2.get_data();
                         for (int i = 0; i < num; i++) {
                             wifi_scan_result *result = results + i;
@@ -681,11 +611,11 @@ public:
                                 result->ssid, result->bssid[0], result->bssid[1], result->bssid[2],
                                 result->bssid[3], result->bssid[4], result->bssid[5],
                                 result->rssi);
-                        }
+                        }*/
                         mScans[mRetrieved].scan_id = scan_id;
                         mScans[mRetrieved].flags = flags;
                         mScans[mRetrieved].num_results = num;
-                        ALOGD("Setting result of scan_id : 0x%0x", mScans[mRetrieved].scan_id);
+                        //ALOGD("Setting result of scan_id : 0x%0x", mScans[mRetrieved].scan_id);
                         memcpy(mScans[mRetrieved].results,
                                 &(mScanResults[mNextScanResult]), num * sizeof(wifi_scan_result));
                         mNextScanResult += num;
@@ -707,55 +637,103 @@ public:
 
 wifi_error wifi_get_cached_gscan_results(wifi_interface_handle iface, byte flush,
         int max, wifi_cached_scan_results *results, int *num) {
-    ALOGD("Getting cached scan results, iface handle = %p, num = %d", iface, *num);
-
     GetScanResultsCommand *cmd = new GetScanResultsCommand(iface, flush, results, max, num);
     return (wifi_error)cmd->execute();
 }
 
 /////////////////////////////////////////////////////////////////////////////
-
-class BssidHotlistCommand : public WifiCommand
+class ePNOCommand : public WifiCommand
 {
 private:
-    wifi_bssid_hotlist_params mParams;
-    wifi_hotlist_ap_found_handler mHandler;
-    static const int MAX_RESULTS = 64;
-    wifi_scan_result mResults[MAX_RESULTS];
+    wifi_epno_params  *epno_params;
+    wifi_epno_handler mHandler;
+    wifi_scan_result  mResults;
 public:
-    BssidHotlistCommand(wifi_interface_handle handle, int id,
-            wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler)
-        : WifiCommand(handle, id), mParams(params), mHandler(handler)
-    { }
+    ePNOCommand(wifi_interface_handle handle, int id,
+            wifi_epno_params *params, wifi_epno_handler handler)
+        : WifiCommand(handle, id), mHandler(handler)
+    {
+        epno_params = params;
+        memset(&mResults,0,sizeof(wifi_scan_result));
+    }
 
     int createSetupRequest(WifiRequest& request) {
-        int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_HOTLIST);
+        int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_EPNO_LIST);
         if (result < 0) {
             return result;
         }
 
         nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
-
-        result = request.put_u32(GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, mParams.lost_ap_sample_size);
+        if (epno_params == NULL) {
+            result = request.put_u8(EPNO_ATTRIBUTE_SSID_NUM, 0);
+            if (result < 0) {
+                return result;
+            }
+            request.attr_end(data);
+            return result;
+        }
+        result = request.put_u16(EPNO_ATTRIBUTE_MINIMUM_5G_RSSI, epno_params->min5GHz_rssi);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u16(EPNO_ATTRIBUTE_MINIMUM_2G_RSSI, epno_params->min24GHz_rssi);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u16(EPNO_ATTRIBUTE_INITIAL_SCORE_MAX, epno_params->initial_score_max);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u8(EPNO_ATTRIBUTE_CUR_CONN_BONUS, epno_params->current_connection_bonus);
         if (result < 0) {
             return result;
         }
+        result = request.put_u8(EPNO_ATTRIBUTE_SAME_NETWORK_BONUS, epno_params->same_network_bonus);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u8(EPNO_ATTRIBUTE_SECURE_BONUS, epno_params->secure_bonus);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u8(EPNO_ATTRIBUTE_5G_BONUS, epno_params->band5GHz_bonus);
+        if (result < 0) {
+            return result;
+        }
+        result = request.put_u8(EPNO_ATTRIBUTE_SSID_NUM, epno_params->num_networks);
+        if (result < 0) {
+            return result;
+        }
+
+       ALOGI("ePNO [min5GHz_rssi:%d min24GHz_rssi:%d initial_score_max:%d current_connection_bonus:%d same_network_bonus:%d secure_bonus:%d band5GHz_bonus:%d num_networks:%d]",
+         epno_params->min5GHz_rssi,
+         epno_params->min24GHz_rssi,
+         epno_params->initial_score_max,
+         epno_params->current_connection_bonus,
+         epno_params->same_network_bonus,
+         epno_params->secure_bonus,
+         epno_params->band5GHz_bonus,
+         epno_params->num_networks);
 
-        struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_BSSIDS);
-        for (int i = 0; i < mParams.num_bssid; i++) {
-            nlattr *attr2 = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_ELEM);
+        struct nlattr * attr = request.attr_start(EPNO_ATTRIBUTE_SSID_LIST);
+        for (int i = 0; i < epno_params->num_networks; i++) {
+            nlattr *attr2 = request.attr_start(i);
             if (attr2 == NULL) {
                 return WIFI_ERROR_OUT_OF_MEMORY;
             }
-            result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.ap[i].bssid);
+            result = request.put_u16(EPNO_ATTRIBUTE_FLAGS, epno_params->networks[i].flags);
+            if (result < 0) {
+                return result;
+            }
+            result = request.put_u8(EPNO_ATTRIBUTE_AUTH, epno_params->networks[i].auth_bit_field);
             if (result < 0) {
                 return result;
             }
-            result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.ap[i].high);
+            result = request.put_u8(EPNO_ATTRIBUTE_SSID_LEN, strlen(epno_params->networks[i].ssid));
             if (result < 0) {
                 return result;
             }
-            result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.ap[i].low);
+            result = request.put(EPNO_ATTRIBUTE_SSID, epno_params->networks[i].ssid, strlen(epno_params->networks[i].ssid));
             if (result < 0) {
                 return result;
             }
@@ -767,17 +745,8 @@ public:
         return result;
     }
 
-    int createTeardownRequest(WifiRequest& request) {
-        int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RESET_BSSID_HOTLIST);
-        if (result < 0) {
-            return result;
-        }
-
-        return result;
-    }
-
     int start() {
-        ALOGD("Executing hotlist setup request, num = %d", mParams.num_bssid);
+        ALOGI("ePNO num_network=%d", epno_params ? epno_params->num_networks : 0);
         WifiRequest request(familyId(), ifaceId());
         int result = createSetupRequest(request);
         if (result < 0) {
@@ -786,38 +755,21 @@ public:
 
         result = requestResponse(request);
         if (result < 0) {
-            ALOGD("Failed to execute hotlist setup request, result = %d", result);
-            unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
-            unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
+            ALOGI("Failed: ePNO setup request, result = %d", result);
+            unregisterVendorHandler(GOOGLE_OUI, WIFI_EPNO_EVENT);
             return result;
         }
 
-        ALOGD("Successfully set %d APs in the hotlist", mParams.num_bssid);
-
-        registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
-        registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
-
+        if (epno_params) {
+            registerVendorHandler(GOOGLE_OUI, WIFI_EPNO_EVENT);
+        }
         return result;
     }
 
     virtual int cancel() {
         /* unregister event handler */
-        unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
-        unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
-        /* create set hotlist message with empty hotlist */
-        WifiRequest request(familyId(), ifaceId());
-        int result = createTeardownRequest(request);
-        if (result < 0) {
-            return result;
-        }
-
-        result = requestResponse(request);
-        if (result < 0) {
-            return result;
-        }
-
-        ALOGD("Successfully reset APs in current hotlist");
-        return result;
+        unregisterVendorHandler(GOOGLE_OUI, WIFI_EPNO_EVENT);
+        return 0;
     }
 
     virtual int handleResponse(WifiEvent& reply) {
@@ -826,182 +778,157 @@ public:
     }
 
     virtual int handleEvent(WifiEvent& event) {
-        ALOGD("Hotlist AP event");
-        int event_id = event.get_vendor_subcmd();
-        event.log();
+        // event.log();
 
         nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
         int len = event.get_vendor_data_len();
 
         if (vendor_data == NULL || len == 0) {
-            ALOGD("No scan results found");
+            ALOGI("No scan results found");
             return NL_SKIP;
         }
 
-        memset(mResults, 0, sizeof(wifi_scan_result) * MAX_RESULTS);
-
-        int num = len / sizeof(wifi_scan_result);
-        num = min(MAX_RESULTS, num);
-        memcpy(mResults, event.get_vendor_data(), num * sizeof(wifi_scan_result));
 
-        if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_FOUND) {
-            ALOGD("FOUND %d hotlist APs", num);
-            if (*mHandler.on_hotlist_ap_found)
-                (*mHandler.on_hotlist_ap_found)(id(), num, mResults);
-        } else if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_LOST) {
-            ALOGD("LOST %d hotlist APs", num);
-            if (*mHandler.on_hotlist_ap_lost)
-                (*mHandler.on_hotlist_ap_lost)(id(), num, mResults);
-        }
+        mResults = *(wifi_scan_result *) event.get_vendor_data();
+        if (*mHandler.on_network_found)
+            (*mHandler.on_network_found)(id(), 1, &mResults);
         return NL_SKIP;
     }
 };
 
-wifi_error wifi_set_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface,
-        wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler)
+wifi_error wifi_set_epno_list(wifi_request_id id,
+                              wifi_interface_handle iface,
+                              const wifi_epno_params *epno_params,
+                              wifi_epno_handler handler)
 {
     wifi_handle handle = getWifiHandle(iface);
-
-    BssidHotlistCommand *cmd = new BssidHotlistCommand(iface, id, params, handler);
+    ePNOCommand *cmd = new ePNOCommand(iface, id, (wifi_epno_params *)epno_params, handler);
     wifi_register_cmd(handle, id, cmd);
-    return (wifi_error)cmd->start();
+    wifi_error result = (wifi_error)cmd->start();
+    if (result != WIFI_SUCCESS) {
+        wifi_unregister_cmd(handle, id);
+    }
+    return result;
 }
 
-wifi_error wifi_reset_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface)
+wifi_error wifi_reset_epno_list(wifi_request_id id, wifi_interface_handle iface)
 {
     wifi_handle handle = getWifiHandle(iface);
+    wifi_epno_handler handler;
 
-    WifiCommand *cmd = wifi_unregister_cmd(handle, id);
-    if (cmd) {
-        cmd->cancel();
-        cmd->releaseRef();
-        return WIFI_SUCCESS;
+    handler.on_network_found = NULL;
+    ePNOCommand *cmd = new ePNOCommand(iface, id, NULL, handler);
+    wifi_register_cmd(handle, id, cmd);
+    wifi_error result = (wifi_error)cmd->start();
+    if (result != WIFI_SUCCESS) {
+        wifi_unregister_cmd(handle, id);
     }
-
-    return WIFI_ERROR_INVALID_ARGS;
+    return result;
 }
 
-
-/////////////////////////////////////////////////////////////////////////////
-
-class SignificantWifiChangeCommand : public WifiCommand
+class HsListCommand : public WifiCommand
 {
-    typedef struct {
-        mac_addr bssid;                     // BSSID
-        wifi_channel channel;               // channel frequency in MHz
-        int num_rssi;                       // number of rssi samples
-        wifi_rssi rssi[8];                   // RSSI history in db
-    } wifi_significant_change_result_internal;
-
-private:
-    wifi_significant_change_params mParams;
-    wifi_significant_change_handler mHandler;
-    static const int MAX_RESULTS = 64;
-    wifi_significant_change_result_internal mResultsBuffer[MAX_RESULTS];
-    wifi_significant_change_result *mResults[MAX_RESULTS];
+    int num_hs;
+    wifi_passpoint_network *mNetworks;
+    wifi_passpoint_event_handler mHandler;
 public:
-    SignificantWifiChangeCommand(wifi_interface_handle handle, int id,
-            wifi_significant_change_params params, wifi_significant_change_handler handler)
-        : WifiCommand(handle, id), mParams(params), mHandler(handler)
-    { }
-
-    int createSetupRequest(WifiRequest& request) {
-        int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_SIGNIFICANT_CHANGE);
-        if (result < 0) {
-            return result;
-        }
-
-        nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
-
-        result = request.put_u16(GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE, mParams.rssi_sample_size);
-        if (result < 0) {
-            return result;
-        }
-        result = request.put_u16(GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, mParams.lost_ap_sample_size);
-        if (result < 0) {
-            return result;
-        }
-        result = request.put_u16(GSCAN_ATTRIBUTE_MIN_BREACHING, mParams.min_breaching);
-        if (result < 0) {
-            return result;
-        }
+    HsListCommand(wifi_request_id id, wifi_interface_handle iface,
+        int num, wifi_passpoint_network *hs_list, wifi_passpoint_event_handler handler)
+        : WifiCommand(iface, id), num_hs(num), mNetworks(hs_list),
+            mHandler(handler)
+    {
+    }
 
-        struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS);
+    HsListCommand(wifi_request_id id, wifi_interface_handle iface,
+        int num)
+        : WifiCommand(iface, id), num_hs(num), mNetworks(NULL)
+    {
+        mHandler.on_passpoint_network_found = NULL;
+    }
 
-        for (int i = 0; i < mParams.num_bssid; i++) {
+    int createRequest(WifiRequest& request, int val) {
+        int result;
 
-            nlattr *attr2 = request.attr_start(i);
-            if (attr2 == NULL) {
-                return WIFI_ERROR_OUT_OF_MEMORY;
-            }
-            result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.ap[i].bssid);
+        if (val) {
+            result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_HS_LIST);
+            result = request.put_u32(EPNO_ATTRIBUTE_HS_NUM, num_hs);
             if (result < 0) {
                 return result;
             }
-            result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.ap[i].high);
-            if (result < 0) {
-                return result;
+            nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
+
+            struct nlattr * attr = request.attr_start(EPNO_ATTRIBUTE_HS_PARAM_LIST);
+            for (int i = 0; i < num_hs; i++) {
+                nlattr *attr2 = request.attr_start(i);
+                if (attr2 == NULL) {
+                    return WIFI_ERROR_OUT_OF_MEMORY;
+                }
+                result = request.put_u32(EPNO_ATTRIBUTE_HS_ID, mNetworks[i].id);
+                if (result < 0) {
+                    return result;
+                }
+                result = request.put(EPNO_ATTRIBUTE_HS_REALM, mNetworks[i].realm, 256);
+                if (result < 0) {
+                    return result;
+                }
+                result = request.put(EPNO_ATTRIBUTE_HS_CONSORTIUM_IDS, mNetworks[i].roamingConsortiumIds, 128);
+                if (result < 0) {
+                    return result;
+                }
+                result = request.put(EPNO_ATTRIBUTE_HS_PLMN, mNetworks[i].plmn, 3);
+                if (result < 0) {
+                    return result;
+                }
+                request.attr_end(attr2);
             }
-            result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.ap[i].low);
+            request.attr_end(attr);
+            request.attr_end(data);
+        }else {
+            result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RESET_HS_LIST);
             if (result < 0) {
                 return result;
             }
-            request.attr_end(attr2);
         }
 
-        request.attr_end(attr);
-        request.attr_end(data);
-
-        return result;
-    }
-
-    int createTeardownRequest(WifiRequest& request) {
-        int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RESET_SIGNIFICANT_CHANGE);
-        if (result < 0) {
-            return result;
-        }
-
-        return result;
+        return WIFI_SUCCESS;
     }
 
     int start() {
-        ALOGD("Set significant wifi change");
-        WifiRequest request(familyId(), ifaceId());
 
-        int result = createSetupRequest(request);
-        if (result < 0) {
+        WifiRequest request(familyId(), ifaceId());
+        int result = createRequest(request, num_hs);
+        if (result != WIFI_SUCCESS) {
+            ALOGE("failed to create request; result = %d", result);
             return result;
         }
 
+        registerVendorHandler(GOOGLE_OUI, WIFI_HOTSPOT_MATCH);
+
         result = requestResponse(request);
-        if (result < 0) {
-            ALOGD("failed to set significant wifi change %d", result);
+        if (result != WIFI_SUCCESS) {
+            ALOGE("failed to set ANQPO networks; result = %d", result);
+            unregisterVendorHandler(GOOGLE_OUI, WIFI_HOTSPOT_MATCH);
             return result;
         }
-        registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS);
 
         return result;
     }
 
     virtual int cancel() {
-        /* unregister event handler */
-        unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS);
 
-        /* create set significant change monitor message with empty hotlist */
         WifiRequest request(familyId(), ifaceId());
-
-        int result = createTeardownRequest(request);
-        if (result < 0) {
-            return result;
-        }
-
-        result = requestResponse(request);
-        if (result < 0) {
-            return result;
+        int result = createRequest(request, 0);
+        if (result != WIFI_SUCCESS) {
+            ALOGE("failed to create request; result = %d", result);
+        } else {
+            result = requestResponse(request);
+            if (result != WIFI_SUCCESS) {
+                ALOGE("failed to reset ANQPO networks;result = %d", result);
+            }
         }
 
-        ALOGD("successfully reset significant wifi change");
-        return result;
+        unregisterVendorHandler(GOOGLE_OUI, WIFI_HOTSPOT_MATCH);
+        return WIFI_SUCCESS;
     }
 
     virtual int handleResponse(WifiEvent& reply) {
@@ -1010,75 +937,52 @@ public:
     }
 
     virtual int handleEvent(WifiEvent& event) {
-        ALOGD("Got a significant wifi change event");
-
         nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
-        int len = event.get_vendor_data_len();
-
-        if (vendor_data == NULL || len == 0) {
-            ALOGD("No scan results found");
+        unsigned int len = event.get_vendor_data_len();
+        if (vendor_data == NULL || len < sizeof(wifi_scan_result)) {
+            ALOGE("ERROR: No scan results found");
             return NL_SKIP;
         }
 
-        typedef struct {
-            uint16_t channel;
-            mac_addr bssid;
-            int16_t rssi_history[8];
-        } ChangeInfo;
-
-        int num = min(len / sizeof(ChangeInfo), MAX_RESULTS);
-        ChangeInfo *ci = (ChangeInfo *)event.get_vendor_data();
-
-        for (int i = 0; i < num; i++) {
-            memcpy(mResultsBuffer[i].bssid, ci[i].bssid, sizeof(mac_addr));
-            mResultsBuffer[i].channel = ci[i].channel;
-                       /* Driver sends N samples and the rest 8-N are filled 0x7FFF
-                        * N = no of rssi samples to average sent in significant change request. */
-            int num_rssi = 0;
-            for (int j = 0; j < 8; j++) {
-                if (ci[i].rssi_history[j] == 0x7FFF) {
-                    num_rssi = j;
-                    break;
-                }
-                mResultsBuffer[i].rssi[j] = (int) ci[i].rssi_history[j];
-            }
-            mResultsBuffer[i].num_rssi = num_rssi;
-            mResults[i] = reinterpret_cast<wifi_significant_change_result *>(&(mResultsBuffer[i]));
-        }
-
-        ALOGD("Retrieved %d scan results", num);
+        wifi_scan_result *result = (wifi_scan_result *)event.get_vendor_data();
+        byte *anqp = (byte *)result + offsetof(wifi_scan_result, ie_data) + result->ie_length;
+        int networkId = *(int *)anqp;
+        anqp += sizeof(int);
+        int anqp_len = *(u16 *)anqp;
+        anqp += sizeof(u16);
 
-        if (num != 0) {
-            (*mHandler.on_significant_change)(id(), num, mResults);
-        } else {
-            ALOGW("No significant change reported");
-        }
+        if(*mHandler.on_passpoint_network_found)
+            (*mHandler.on_passpoint_network_found)(id(), networkId, result, anqp_len, anqp);
 
         return NL_SKIP;
     }
 };
 
-wifi_error wifi_set_significant_change_handler(wifi_request_id id, wifi_interface_handle iface,
-        wifi_significant_change_params params, wifi_significant_change_handler handler)
+wifi_error wifi_set_passpoint_list(wifi_request_id id, wifi_interface_handle iface, int num,
+        wifi_passpoint_network *networks, wifi_passpoint_event_handler handler)
 {
     wifi_handle handle = getWifiHandle(iface);
+    HsListCommand *cmd = new HsListCommand(id, iface, num, networks, handler);
 
-    SignificantWifiChangeCommand *cmd = new SignificantWifiChangeCommand(
-            iface, id, params, handler);
     wifi_register_cmd(handle, id, cmd);
-    return (wifi_error)cmd->start();
+    wifi_error result = (wifi_error)cmd->start();
+    if (result != WIFI_SUCCESS) {
+        wifi_unregister_cmd(handle, id);
+    }
+    return result;
 }
 
-wifi_error wifi_reset_significant_change_handler(wifi_request_id id, wifi_interface_handle iface)
+wifi_error wifi_reset_passpoint_list(wifi_request_id id, wifi_interface_handle iface)
 {
-    wifi_handle handle = getWifiHandle(iface);
+    wifi_handle   handle = getWifiHandle(iface);
+    wifi_error    result;
+    HsListCommand *cmd = (HsListCommand *)(wifi_get_cmd(handle, id));
 
-    WifiCommand *cmd = wifi_unregister_cmd(handle, id);
-    if (cmd) {
-        cmd->cancel();
-        cmd->releaseRef();
-        return WIFI_SUCCESS;
+    if (cmd == NULL) {
+        cmd = new HsListCommand(id, iface, 0);
+        wifi_register_cmd(handle, id, cmd);
     }
-
-    return WIFI_ERROR_INVALID_ARGS;
+    result = (wifi_error)cmd->cancel();
+    wifi_unregister_cmd(handle, id);
+    return result;
 }