On an open AP when you pull the plug on the AP, if we are not already in
BMPS mode then the firmware will not generate a disconnection event.
Instead we need to monitor for failure to enter BMPS and treat a string of
failures as connection loss.
Secure AP connections don't appear to demonstrate this behavior so the
work-around is limited to open APs only.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
drivers/net/wireless/ath/wcn36xx/pmc.c | 9 +++++++++
drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/drivers/net/wireless/ath/wcn36xx/pmc.c b/drivers/net/wireless/ath/wcn36xx/pmc.c
index 2d0780fefd477..592a9416e51f9 100644
--- a/drivers/net/wireless/ath/wcn36xx/pmc.c
+++ b/drivers/net/wireless/ath/wcn36xx/pmc.c
@@ -18,6 +18,8 @@
#include "wcn36xx.h"
+#define WCN36XX_BMPS_FAIL_THREHOLD 3
+
int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
struct ieee80211_vif *vif)
{
@@ -31,6 +33,7 @@ int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
if (!ret) {
wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n");
vif_priv->pw_state = WCN36XX_BMPS;
+ vif_priv->bmps_fail_ct = 0;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
} else {
/*
@@ -39,6 +42,12 @@ int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
* received just after auth complete
*/
wcn36xx_err("Can not enter BMPS!\n");
+
+ if (vif_priv->bmps_fail_ct++ == WCN36XX_BMPS_FAIL_THREHOLD) {
+ wcn36xx_err("BMPS fail exceeded connection loss\n");
+ ieee80211_connection_loss(vif);
+ vif_priv->bmps_fail_ct = 0;
+ }
}
return ret;
}
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index 9469feed1475f..871aab7fd4e60 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -151,6 +151,8 @@ struct wcn36xx_vif {
} rekey_data;
struct list_head sta_list;
+
+ int bmps_fail_ct;
};
/**
--
2.33.0
