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From:   Felix Fietkau <nbd@nbd.name>
To:     linux-wireless@vger.kernel.org
Subject: [PATCH 03/11] mt76: testmode: add a limit for queued tx_frames packets
Date:   Tue,  8 Sep 2020 23:17:48 +0200
Message-Id: <20200908211756.15998-3-nbd@nbd.name>
In-Reply-To: <20200908211756.15998-1-nbd@nbd.name>
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This avoids running out of available tx tokens

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/testmode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/testmode.c b/drivers/net/wireless/mediatek/mt76/testmode.c
index f6fd515dfe57..a38abb6868d5 100644
--- 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);
-- 
2.28.0