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Commit b8d116a5 authored by Vinit Deshapnde's avatar Vinit Deshapnde
Browse files

Flush scan results et al after band change 

This change flushes all bss data after a band change (because it
is potentially invalid). We do scan for new data just after we've
established connectivity on the new band.

Bug: 7053587

Change-Id: I8ab9d0bbc5c3f8f383c2b7868349634085cf94c1
parent ef50a1a0

wifi/java/android/net/wifi/WifiNative.java

+4 −0
Original line number Diff line number Diff line
@@ -388,6 +388,10 @@ public class WifiNative { 
        return doStringCommand("PKTCNT_POLL");

    }



    public void bssFlush() {

        doBooleanCommand("BSS_FLUSH");

    }



    public boolean startWpsPbc(String bssid) {

        if (TextUtils.isEmpty(bssid)) {

            return doBooleanCommand("WPS_PBC");

wifi/java/android/net/wifi/WifiStateMachine.java

+2 −0
Original line number Diff line number Diff line
@@ -2497,6 +2497,8 @@ public class WifiStateMachine extends StateMachine { 
                    if (DBG) log("set frequency band " + band);

                    if (mWifiNative.setBand(band)) {

                        mFrequencyBand.set(band);

                        // flush old data - like scan results

                        mWifiNative.bssFlush();

                        //Fetch the latest scan results when frequency band is set

                        startScanNative(WifiNative.SCAN_WITH_CONNECTION_SETUP);

                    } else {