wl12xx: Stop BA session event from device
Adding new event that close RX BA session in case of periodic BT activity
limiting WLAN activity.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c
index b07f8b7..7ccec07 100644
--- a/drivers/net/wireless/wl12xx/boot.c
+++ b/drivers/net/wireless/wl12xx/boot.c
@@ -485,7 +485,8 @@
if (wl->bss_type == BSS_TYPE_AP_BSS)
wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID;
else
- wl->event_mask |= DUMMY_PACKET_EVENT_ID;
+ wl->event_mask |= DUMMY_PACKET_EVENT_ID |
+ BA_SESSION_RX_CONSTRAINT_EVENT_ID;
ret = wl1271_event_unmask(wl);
if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index c3c554c..94bbd00 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -168,6 +168,21 @@
wl->last_rssi_event = event;
}
+static void wl1271_stop_ba_event(struct wl1271 *wl, u8 ba_allowed)
+{
+ /* Convert the value to bool */
+ wl->ba_allowed = !!ba_allowed;
+
+ /*
+ * Return in case:
+ * there are not BA open or the event indication is to allowed BA
+ */
+ if ((!wl->ba_rx_bitmap) || (wl->ba_allowed))
+ return;
+
+ ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap, wl->bssid);
+}
+
static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
{
wl1271_debug(DEBUG_EVENT, "MBOX DUMP:");
@@ -252,6 +267,14 @@
wl1271_event_rssi_trigger(wl, mbox);
}
+ if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) && !is_ap) {
+ wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. "
+ "ba_allowed = 0x%x", mbox->ba_allowed);
+
+ if (wl->vif)
+ wl1271_stop_ba_event(wl, mbox->ba_allowed);
+ }
+
if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) {
wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
if (wl->vif)
diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h
index b6cf06e..ce99adf 100644
--- a/drivers/net/wireless/wl12xx/event.h
+++ b/drivers/net/wireless/wl12xx/event.h
@@ -71,7 +71,7 @@
HEALTH_CHECK_REPLY_EVENT_ID = BIT(27),
PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28),
PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29),
- BA_SESSION_TEAR_DOWN_EVENT_ID = BIT(30),
+ BA_SESSION_RX_CONSTRAINT_EVENT_ID = BIT(30),
EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff,
};
@@ -122,7 +122,20 @@
__le16 sta_aging_status;
__le16 sta_tx_retry_exceeded;
- u8 reserved_5[24];
+ /*
+ * Bitmap, Each bit set represents the Role ID for which this constraint
+ * is set. Range: 0 - FF, FF means ANY role
+ */
+ u8 ba_role_id;
+ /*
+ * Bitmap, Each bit set represents the Link ID for which this constraint
+ * is set. Not applicable if ba_role_id is set to ANY role (FF).
+ * Range: 0 - FFFF, FFFF means ANY link in that role
+ */
+ u8 ba_link_id;
+ u8 ba_allowed;
+
+ u8 reserved_5[21];
} __packed;
int wl1271_event_unmask(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
index a8f4f15..f5c2c9e 100644
--- a/drivers/net/wireless/wl12xx/init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -541,6 +541,7 @@
/* Reset the BA RX indicators */
wl->ba_rx_bitmap = 0;
+ wl->ba_allowed = true;
/* validate that FW support BA */
wl1271_check_ba_support(wl);
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index e6497dc..f37f0b8 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -3354,9 +3354,12 @@
if (ret < 0)
goto out;
+ wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d",
+ tid, action);
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
- if (wl->ba_support) {
+ if ((wl->ba_support) && (wl->ba_allowed)) {
ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn,
true);
if (!ret)
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index fbe8f46..3bc794a 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -564,6 +564,7 @@
/* RX BA constraint value */
bool ba_support;
u8 ba_rx_bitmap;
+ bool ba_allowed;
int tcxo_clock;