wlcore: Pass win_size taken from ieee80211_sta to FW

BugLink: http://bugs.launchpad.net/bugs/1692900

commit 42c7372a upstream.

When starting a new BA session, we must pass the win_size to the FW.

To do this we take max_rx_aggregation_subframes (BA RX win size)
which is stored in ieee80211_sta structure (e.g per link and not per HW)

We will use the value stored per link when passing the win_size to
firmware through the ACX_BA_SESSION_RX_SETUP command.
Signed-off-by: Maxim Altshul <maxim.altshul@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>

drivers/net/wireless/ti/wlcore/acx.c

@@ -1419,7 +1419,8 @@ int wl12xx_acx_set_ba_initiator_policy(struct wl1271 *wl,
 
 /* setup BA session receiver setting in the FW. */
 int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
-				       u16 ssn, bool enable, u8 peer_hlid)
+				       u16 ssn, bool enable, u8 peer_hlid,
+				       u8 win_size)
 {
 	struct wl1271_acx_ba_receiver_setup *acx;
 	int ret;
@@ -1435,7 +1436,7 @@ int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
 	acx->hlid = peer_hlid;
 	acx->tid = tid_index;
 	acx->enable = enable;
-	acx->win_size = wl->conf.ht.rx_ba_win_size;
+	acx->win_size =	win_size;
 	acx->ssn = ssn;
 
 	ret = wlcore_cmd_configure_failsafe(wl, ACX_BA_SESSION_RX_SETUP, acx,

drivers/net/wireless/ti/wlcore/acx.h

@@ -1112,7 +1112,8 @@ int wl1271_acx_set_ht_information(struct wl1271 *wl,
 int wl12xx_acx_set_ba_initiator_policy(struct wl1271 *wl,
 				       struct wl12xx_vif *wlvif);
 int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
-				       u16 ssn, bool enable, u8 peer_hlid);
+				       u16 ssn, bool enable, u8 peer_hlid,
+				       u8 win_size);
 int wl12xx_acx_tsf_info(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 			u64 *mactime);
 int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,

drivers/net/wireless/ti/wlcore/main.c

@@ -5328,7 +5328,9 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
 		}
 
 		ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true,
-							 hlid);
+				hlid,
+				params->buf_size);
+
 		if (!ret) {
 			*ba_bitmap |= BIT(tid);
 			wl->ba_rx_session_count++;
@@ -5349,7 +5351,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
 		}
 
 		ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false,
-							 hlid);
+							 hlid, 0);
 		if (!ret) {
 			*ba_bitmap &= ~BIT(tid);
 			wl->ba_rx_session_count--;