set softAP on a specified band, including both 2.4 and 5 GHz band
Bug:18929692
Change-Id: I6109b477937b0ecab95f5a2b414f2bec9b30e1cd
diff --git a/api/current.txt b/api/current.txt
index 1f86b03..f556abe 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -17899,6 +17899,7 @@
public class WifiConfiguration implements android.os.Parcelable {
ctor public WifiConfiguration();
+ method public static int chooseApChannel(int);
method public int describeContents();
method public void writeToParcel(android.os.Parcel, int);
field public java.lang.String BSSID;
@@ -17909,6 +17910,8 @@
field public java.util.BitSet allowedKeyManagement;
field public java.util.BitSet allowedPairwiseCiphers;
field public java.util.BitSet allowedProtocols;
+ field public int apBand;
+ field public int apChannel;
field public android.net.wifi.WifiEnterpriseConfig enterpriseConfig;
field public boolean hiddenSSID;
field public int networkId;
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 748018d..891f572 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -1352,8 +1352,15 @@
if (wifiConfig == null) {
mConnector.execute("softap", "set", wlanIface);
} else {
+ int apChannel;
+ if (wifiConfig.apChannel == 0) {
+ apChannel = WifiConfiguration.chooseApChannel(wifiConfig.apBand);
+ } else {
+ apChannel = wifiConfig.apChannel;
+ }
mConnector.execute("softap", "set", wlanIface, wifiConfig.SSID,
- "broadcast", "6", getSecurityType(wifiConfig),
+ "broadcast", Integer.toString(apChannel),
+ getSecurityType(wifiConfig),
new SensitiveArg(wifiConfig.preSharedKey));
}
mConnector.execute("softap", "startap");
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index 6543c03..8b24f9f 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -25,8 +25,11 @@
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
+import android.util.Log;
import android.annotation.SystemApi;
+import java.util.Random;
+import java.util.Calendar;
import java.util.HashMap;
import java.util.BitSet;
import java.util.ArrayList;
@@ -59,6 +62,9 @@
public static final String updateIdentiferVarName = "update_identifier";
/** {@hide} */
public static final int INVALID_NETWORK_ID = -1;
+ /**{@hide}*/
+ private static Random mRandom = new Random(Calendar.getInstance().getTimeInMillis());
+
/**
* Recognized key management schemes.
*/
@@ -233,6 +239,22 @@
* <code>XX:XX:XX:XX:XX:XX</code> where each <code>X</code> is a hex digit.
*/
public String BSSID;
+
+ /**
+ * The band which AP resides on
+ * 0-2G 1-5G
+ * By default, 2G is chosen
+ */
+ public int apBand = 0;
+
+ /**
+ * The channel which AP resides on,currently, US only
+ * 2G 1-11
+ * 5G 36,40,44,48,149,153,157,161,165
+ * 0 - find a random available channel according to the apBand
+ */
+ public int apChannel = 0;
+
/**
* Fully qualified domain name (FQDN) of AAA server or RADIUS server
* e.g. {@code "mail.example.com"}.
@@ -1315,6 +1337,18 @@
}
}
+ public static int chooseApChannel(int apBand) {
+ int apChannel;
+ if (apBand == 0) {
+ apChannel = 1 + mRandom.nextInt(11);
+ } else {
+ int channel[] = {36,40,44,48,149,153,157,161,165};
+ apChannel = channel[mRandom.nextInt(channel.length)];
+ }
+ Log.d(TAG, "AP set on channel " + apChannel);
+ return apChannel;
+ }
+
/** @hide */
public int getAuthType() {
if (isValid() == false) {
@@ -1464,6 +1498,9 @@
naiRealm = source.naiRealm;
preSharedKey = source.preSharedKey;
+ apBand = source.apBand;
+ apChannel = source.apChannel;
+
wepKeys = new String[4];
for (int i = 0; i < wepKeys.length; i++) {
wepKeys[i] = source.wepKeys[i];
@@ -1553,6 +1590,8 @@
dest.writeInt(disableReason);
dest.writeString(SSID);
dest.writeString(BSSID);
+ dest.writeInt(apBand);
+ dest.writeInt(apChannel);
dest.writeString(autoJoinBSSID);
dest.writeString(FQDN);
dest.writeString(naiRealm);
@@ -1615,6 +1654,8 @@
config.disableReason = in.readInt();
config.SSID = in.readString();
config.BSSID = in.readString();
+ config.apBand = in.readInt();
+ config.apChannel = in.readInt();
config.autoJoinBSSID = in.readString();
config.FQDN = in.readString();
config.naiRealm = in.readString();