mt76: testmode: add a limit for queued tx_frames packets

This avoids running out of available tx tokens

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/testmode.c b/drivers/net/wireless/mediatek/mt76/testmode.c
index f6fd515dfe572a8a63b04f9107012250382f34ae..a38abb6868d5f986162e5954d2eb1a5fef6ace0f 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/testmode.c
@@ -33,7 +33,8 @@ void mt76_testmode_tx_pending(struct mt76_dev *dev)
 
        spin_lock_bh(&q->lock);
 
-       while (td->tx_pending > 0 && q->queued < q->ndesc / 2) {
+       while (td->tx_pending > 0 && td->tx_queued - td->tx_done < 1000 &&
+              q->queued < q->ndesc / 2) {
                int ret;
 
                ret = dev->queue_ops->tx_queue_skb(dev, qid, skb_get(skb), wcid, NULL);