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wl12xx: Unset bssid filter, ssid and bssid from firmware on disassoc 

On the disassociation event from the mac80211, the wl12xx driver does not
clear the chipset configuration related to the AP - i.e. it does not perform
a DISCONNECT and then a JOIN with zero SSID and dummy BSSID. Also, it does not
unset the BSSID filter.

Often this is not a problem, as the above is performed upon entering idle
state. But if a scenario arises where a new association is attempted without
cycling through idle state, the new association will fail.

Fix this by resetting the firmware state on disassociation.

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>
hifive-unleashed-5.1
Juuso Oikarinen 2010-11-22 12:59:08 +02:00 committed by Luciano Coelho
parent 68d069c45f
commit b84a7d3d9e
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/wl12xx/main.c
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@ -2011,9 +2011,12 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
/* Disable the keep-alive feature */
ret = wl1271_acx_keep_alive_mode(wl, false);
if (ret < 0)
goto out_sleep;
/* restore the bssid filter and go to dummy bssid */
wl1271_unjoin(wl);
wl1271_dummy_join(wl);
}
}