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wil6210: prevent double disconnect command issuing

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Disconnect flow may be invoked either from upper layer request,
or from event reported by the firmware.

In case of firmware event, driver need to release resources for the station but
not send another disconnect WMI command.

In case of upper layer request, WMI_DISCONNECT_STA_CMDID command need to
be issued for the firmware to perform disconnect on the MAC layer. Eventually,
event is expected to confirm MAC disconnect, but it is better to not wait for
firmware event and release station resources immediately. FW may fail to
report disconnect for various reasons, so one could not rely on event always reported.

Introduce parameter to distinguish 2 cases above to prevent double WMI command
issuing.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev
2014-10-28 16:50:08 +02:00
committed by John W. Linville
parent 48516298ed
commit b516fcc554
4 changed files with 29 additions and 13 deletions
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2
drivers/net/wireless/ath/wil6210/wmi.c
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@@ -486,7 +486,7 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
wil->sinfo_gen++;
mutex_lock(&wil->mutex);
wil6210_disconnect(wil, evt->bssid);
wil6210_disconnect(wil, evt->bssid, true);
mutex_unlock(&wil->mutex);
}