Merge "wifi: add basic support for 60GHz band"

packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java

@@ -116,6 +116,16 @@ public class AccessPoint implements Comparable<AccessPoint> {
      */
     public static final int HIGHER_FREQ_5GHZ = 5900;
 
+    /**
+     * Lower bound on the 60 GHz (802.11ad) WIGIG channels
+     */
+    public static final int LOWER_FREQ_60GHZ = 58320;
+
+    /**
+     * Upper bound on the 60 GHz (802.11ad) WIGIG channels
+     */
+    public static final int HIGHER_FREQ_60GHZ = 70200;
+
     /** The key which identifies this AccessPoint grouping. */
     private String mKey;
 

packages/SettingsLib/src/com/android/settingslib/wifi/WifiUtils.java

@@ -93,6 +93,7 @@ public class WifiUtils {
         StringBuilder visibility = new StringBuilder();
         StringBuilder scans24GHz = new StringBuilder();
         StringBuilder scans5GHz = new StringBuilder();
+        StringBuilder scans60GHz = new StringBuilder();
         String bssid = null;
 
         if (accessPoint.isActive() && info != null) {
@@ -115,9 +116,11 @@ public class WifiUtils {
 
         int maxRssi5 = INVALID_RSSI;
         int maxRssi24 = INVALID_RSSI;
+        int maxRssi60 = INVALID_RSSI;
         final int maxDisplayedScans = 4;
         int num5 = 0; // number of scanned BSSID on 5GHz band
         int num24 = 0; // number of scanned BSSID on 2.4Ghz band
+        int num60 = 0; // number of scanned BSSID on 60Ghz band
         int numBlockListed = 0;
 
         // TODO: sort list by RSSI or age
@@ -152,6 +155,19 @@ public class WifiUtils {
                             verboseScanResultSummary(accessPoint, result, bssid,
                                     nowMs));
                 }
+            } else if (result.frequency >= AccessPoint.LOWER_FREQ_60GHZ
+                    && result.frequency <= AccessPoint.HIGHER_FREQ_60GHZ) {
+                // Strictly speaking: [60000, 61000]
+                num60++;
+
+                if (result.level > maxRssi60) {
+                    maxRssi60 = result.level;
+                }
+                if (num60 <= maxDisplayedScans) {
+                    scans60GHz.append(
+                            verboseScanResultSummary(accessPoint, result, bssid,
+                                    nowMs));
+                }
             }
         }
         visibility.append(" [");
@@ -170,6 +186,14 @@ public class WifiUtils {
             }
             visibility.append(scans5GHz.toString());
         }
+        visibility.append(";");
+        if (num60 > 0) {
+            visibility.append("(").append(num60).append(")");
+            if (num60 > maxDisplayedScans) {
+                visibility.append("max=").append(maxRssi60).append(",");
+            }
+            visibility.append(scans60GHz.toString());
+        }
         if (numBlockListed > 0) {
             visibility.append("!").append(numBlockListed);
         }

wifi/java/android/net/wifi/ScanResult.java

@@ -594,6 +594,27 @@ public final class ScanResult implements Parcelable {
      */
     public static final int BAND_6_GHZ_END_FREQ_MHZ = 7105;
 
+    /**
+     * 60 GHz band first channel number
+     * @hide
+     */
+    public static final int BAND_60_GHZ_FIRST_CH_NUM = 1;
+    /**
+     * 60 GHz band last channel number
+     * @hide
+     */
+    public static final int BAND_60_GHZ_LAST_CH_NUM = 6;
+    /**
+     * 60 GHz band frequency of first channel in MHz
+     * @hide
+     */
+    public static final int BAND_60_GHZ_START_FREQ_MHZ = 58320;
+    /**
+     * 60 GHz band frequency of last channel in MHz
+     * @hide
+     */
+    public static final int BAND_60_GHZ_END_FREQ_MHZ = 70200;
+
     /**
      * Utility function to check if a frequency within 2.4 GHz band
      * @param freqMhz frequency in MHz
@@ -627,6 +648,17 @@ public final class ScanResult implements Parcelable {
         return freqMhz >= BAND_6_GHZ_START_FREQ_MHZ && freqMhz <= BAND_6_GHZ_END_FREQ_MHZ;
     }
 
+    /**
+     * Utility function to check if a frequency within 60 GHz band
+     * @param freqMhz
+     * @return true if within 60GHz, false otherwise
+     *
+     * @hide
+     */
+    public static boolean is60GHz(int freqMhz) {
+        return freqMhz >= BAND_60_GHZ_START_FREQ_MHZ && freqMhz <= BAND_60_GHZ_END_FREQ_MHZ;
+    }
+
     /**
      * Utility function to convert channel number/band to frequency in MHz
      * @param channel number to convert
@@ -706,6 +738,13 @@ public final class ScanResult implements Parcelable {
         return ScanResult.is6GHz(frequency);
     }
 
+    /**
+     * @hide
+     */
+    public boolean is60GHz() {
+        return ScanResult.is60GHz(frequency);
+    }
+
     /**
      *  @hide
      * anqp lines from supplicant BSS response

wifi/java/android/net/wifi/WifiConfiguration.java

@@ -595,6 +595,12 @@ public class WifiConfiguration implements Parcelable {
      */
     public static final int AP_BAND_5GHZ = 1;
 
+    /**
+     * 60GHz band
+     * @hide
+     */
+    public static final int AP_BAND_60GHZ = 2;
+
     /**
      * Device is allowed to choose the optimal band (2Ghz or 5Ghz) based on device capability,
      * operating country code and current radio conditions.