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wl1271: Disconnect if PSM entry fails

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If PSM entry fails despite of retries, assume that the AP has been lost,
and indicate connection loss to the mac80211. This is much safer than
remaining in active mode.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2010-03-26 12:53:29 +02:00 committed by John W. Linville
parent c2b2d99bb0
commit d60772f646
1 changed files with 3 additions and 18 deletions
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21
drivers/net/wireless/wl12xx/wl1271_event.c
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@ -82,15 +82,8 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
true);
} else {
wl1271_error("PSM entry failed, giving up.\n");
/* FIXME: this may need to be reconsidered. for now it
is not possible to indicate to the mac80211
afterwards that PSM entry failed. To maximize
functionality (receiving data and remaining
associated) make sure that we are in sync with the
AP in regard of PSM mode. */
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
false);
wl->psm_entry_retry = 0;
*beacon_loss = true;
}
break;
case EVENT_ENTER_POWER_SAVE_SUCCESS:
@ -180,16 +173,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
return ret;
}
if (wl->vif && beacon_loss) {
/* Obviously, it's dangerous to release the mutex while
we are holding many of the variables in the wl struct.
That's why it's done last in the function, and care must
be taken that nothing more is done after this function
returns. */
mutex_unlock(&wl->mutex);
ieee80211_beacon_loss(wl->vif);
mutex_lock(&wl->mutex);
}
if (wl->vif && beacon_loss)
ieee80211_connection_loss(wl->vif);
return 0;
}