Return-Path: From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Cc: patrik.flykt@linux.intel.com, aar@pengutronix.de, jukka.rissanen@linux.intel.com, linux-wpan@vger.kernel.org Subject: [PATCH 3/6] Bluetooth: 6lowpan: Use netif APIs to flow control Date: Tue, 11 Apr 2017 22:21:00 +0300 Message-Id: <20170411192103.3209-3-luiz.dentz@gmail.com> In-Reply-To: <20170411192103.3209-1-luiz.dentz@gmail.com> References: <20170411192103.3209-1-luiz.dentz@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: From: Luiz Augusto von Dentz Rely on netif_wake_queue and netif_stop_queue to flow control when transmit resources are unavailable. Signed-off-by: Luiz Augusto von Dentz --- 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