From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Rely on netif_wake_queue and netif_stop_queue to flow control when
transmit resources are unavailable.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
net/bluetooth/6lowpan.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 22bd936..dc7fda3 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -867,12 +867,28 @@ static struct sk_buff *chan_alloc_skb_cb(struct l2cap_chan *chan,
static void chan_suspend_cb(struct l2cap_chan *chan)
{
+ struct lowpan_btle_dev *dev;
+
BT_DBG("chan %p suspend", chan);
+
+ dev = lookup_dev(chan->conn);
+ if (!dev || !dev->netdev)
+ return;
+
+ netif_stop_queue(dev->netdev);
}
static void chan_resume_cb(struct l2cap_chan *chan)
{
+ struct lowpan_btle_dev *dev;
+
BT_DBG("chan %p resume", chan);
+
+ dev = lookup_dev(chan->conn);
+ if (!dev || !dev->netdev)
+ return;
+
+ netif_wake_queue(dev->netdev);
}
static long chan_get_sndtimeo_cb(struct l2cap_chan *chan)
--
2.9.3
--
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