tree 09e10baac2c66edf14e6e9850f44115b09c3ab57
parent 7fe43b81ff5d1674856269ddb43e72de3913c575
author Peter Qiu <zqiu@chromium.org> 1394487653 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1394663501 +0000

Integrate wpa_supplicant "reattach" command

Use wpa_supplicant Reattach call instead of Reassociate in
OnLinkMOnitorFailure to improve the reassociate time.

BUG=chromium:264865
TEST=unit tests, manual (see below)
CQ-DEPEND=CL:189051

Manual testing
--------------
 1. Setup a device which has an atheros wifi chip (e.g. peppy, link)
 2. connect to "cros airport extreme wpa2", with password "chromeos"
 3. set wpa_supplicant debug level to excessive
    wpa_debug excessive
 4. suspend device (e.g. close lid)
 5. wait >5 minutes.
 6. resume device (e.g. open lid)
 7. verify that Reattach is called after link failure is detected
    "OnLinkMonitorFailure(): Call Reattach()" in /var/log/net.log
 8. verify that device gets scan result in < 1 second
    Event "Received scan results" should occur less than 1 seconds
    after "Scan trigger" in /var/log/net.log

Change-Id: I9df6b090e68564f325b93c3cb44ffdc32641515f
Reviewed-on: https://chromium-review.googlesource.com/189489
Tested-by: Peter Qiu <zqiu@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Peter Qiu <zqiu@chromium.org>