wl12xx: Add support for HW channel switch
The wl12xx FW supports HW channel switch. If we don't use it,
sometimes the firmware gets confused when recalibrating to the new
channel, causing RX problems. This commit adds HW channel switch
support by implementing the channell_switch op.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
[added one comment, remove the tx_flush and rephrased the commit message]
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index e66db69..674ad2a 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -300,6 +300,21 @@
wl1271_stop_ba_event(wl);
}
+ if ((vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) && !is_ap) {
+ wl1271_debug(DEBUG_EVENT, "CHANNEL_SWITCH_COMPLETE_EVENT_ID. "
+ "status = 0x%x",
+ mbox->channel_switch_status);
+ /*
+ * That event uses for two cases:
+ * 1) channel switch complete with status=0
+ * 2) channel switch failed status=1
+ */
+ if (test_and_clear_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags) &&
+ (wl->vif))
+ ieee80211_chswitch_done(wl->vif,
+ mbox->channel_switch_status ? false : true);
+ }
+
if ((vector & DUMMY_PACKET_EVENT_ID)) {
wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
if (wl->vif)