[RFCv5 06/26] Bluetooth: A2MP: Add chan callbacks

[Andrei Emeltchenko <Andrei.Emeltchenko.news@xxxxxxxxx>]

From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>

Add state change, close and skb allocation callbacks.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
 net/bluetooth/a2mp.c |   36 ++++++++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 84275e8..894c6c96 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -65,8 +65,42 @@ static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len,
 	kfree(cmd);
 }
 
+static void a2mp_chan_state_change_cb(void *data, int state, int err)
+{
+	struct l2cap_chan *chan = data;
+	struct amp_mgr *mgr;
+
+	BT_DBG("chan %p state %s", chan, state_to_string(state));
+
+	chan->state = state;
+
+	switch (state) {
+	case BT_CLOSED:
+		mgr = chan->data;
+		if (mgr)
+			amp_mgr_put(mgr);
+		break;
+	}
+}
+
+static void a2mp_chan_close_cb(void *data)
+{
+	struct amp_mgr *mgr = data;
+
+	l2cap_chan_destroy(mgr->a2mp_chan);
+}
+
+static struct sk_buff *a2mp_chan_alloc_skb_cb(struct l2cap_chan *chan,
+					unsigned long len, int nb, int *err)
+{
+	return bt_skb_alloc(len, GFP_KERNEL);
+}
+
 static struct l2cap_ops a2mp_chan_ops = {
 	.name = "L2CAP A2MP channel",
+	.state_change = a2mp_chan_state_change_cb,
+	.close = a2mp_chan_close_cb,
+	.alloc_skb = a2mp_chan_alloc_skb_cb,
 };
 
 static struct l2cap_chan *open_a2mp_chan(struct l2cap_conn *conn)
@@ -108,6 +142,8 @@ static struct l2cap_chan *open_a2mp_chan(struct l2cap_conn *conn)
 	chan->remote_mps = chan->omtu;
 	chan->mps = chan->omtu;
 
+	chan->ops->state_change(chan, BT_CONNECTED, 0);
+
 	return chan;
 }
 
-- 
1.7.9.1

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