wil6210: simple ADDBA on originator (Tx) side

Upon Tx vring creation, initiate BACK establishment
with maximum possible window size.

When establishing secure connection, there is EAPOL data exchange
between connection itself and "data port open", where security
is done and non-EAPOL data may be transferred. It is better to
send EAPOL frames using normal ACK because of firmware considerations.

send ADDBA only is 2 conditions met:
- data port open for the corresponded STA
- vring created

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index e790c45c3c68..8a4f8b7243e0 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -544,6 +544,22 @@ static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
 	}
 }
 
+static void wil_addba_tx_cid(struct wil6210_priv *wil, u8 cid)
+{
+	struct vring_tx_data *t;
+	int i;
+
+	for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
+		if (cid != wil->vring2cid_tid[i][0])
+			continue;
+		t = &wil->vring_tx_data[i];
+		if (!t->enabled)
+			continue;
+
+		wil_addba_tx_request(wil, i);
+	}
+}
+
 static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
 {
 	struct net_device *ndev = wil_to_ndev(wil);
@@ -558,6 +574,7 @@ static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
 	}
 
 	wil->sta[cid].data_port_open = true;
+	wil_addba_tx_cid(wil, cid);
 	netif_carrier_on(ndev);
 }
 
@@ -604,6 +621,7 @@ static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
 
 	txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
 	txdata->agg_wsize = evt->agg_wsize;
+	txdata->addba_in_progress = false;
 }
 
 static void wmi_evt_addba_rx_req(struct wil6210_priv *wil, int id, void *d,
@@ -642,6 +660,7 @@ static void wmi_evt_delba(struct wil6210_priv *wil, int id, void *d, int len)
 				wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
 				txdata->agg_timeout = 0;
 				txdata->agg_wsize = 0;
+				txdata->addba_in_progress = false;
 
 				break; /* max. 1 matching ring */
 			}