Bluetooth: A2MP: AMP Manager basic functions (9740e49d) · Commits · 戴 / test

include/net/bluetooth/a2mp.h

0 → 100644

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		/*
		Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
		Copyright (c) 2011,2012 Intel Corp.

		This program is free software; you can redistribute it and/or modify
		it under the terms of the GNU General Public License version 2 and
		only version 2 as published by the Free Software Foundation.

		This program is distributed in the hope that it will be useful,
		but WITHOUT ANY WARRANTY; without even the implied warranty of
		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		GNU General Public License for more details.
		*/

		#ifndef __A2MP_H
		#define __A2MP_H

		struct amp_mgr {
		struct l2cap_conn *l2cap_conn;
		struct l2cap_chan *a2mp_chan;
		struct kref kref;
		__u8 ident;
		__u8 handle;
		unsigned long flags;
		};

		void amp_mgr_get(struct amp_mgr *mgr);
		int amp_mgr_put(struct amp_mgr *mgr);

		#endif /* __A2MP_H */

+1 −0

+54 −0

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		@@ -15,6 +15,7 @@
		#include <net/bluetooth/bluetooth.h>
		#include <net/bluetooth/hci_core.h>
		#include <net/bluetooth/l2cap.h>
		#include <net/bluetooth/a2mp.h>

		static struct l2cap_ops a2mp_chan_ops = {
		.name = "L2CAP A2MP channel",
		@@ -67,3 +68,56 @@ static struct l2cap_chan a2mp_chan_open(struct l2cap_conn conn)

		return chan;
		}

		/* AMP Manager functions */
		void amp_mgr_get(struct amp_mgr *mgr)
		{
		BT_DBG("mgr %p", mgr);

		kref_get(&mgr->kref);
		}

		static void amp_mgr_destroy(struct kref *kref)
		{
		struct amp_mgr *mgr = container_of(kref, struct amp_mgr, kref);

		BT_DBG("mgr %p", mgr);

		kfree(mgr);
		}

		int amp_mgr_put(struct amp_mgr *mgr)
		{
		BT_DBG("mgr %p", mgr);

		return kref_put(&mgr->kref, &amp_mgr_destroy);
		}

		static struct amp_mgr amp_mgr_create(struct l2cap_conn conn)
		{
		struct amp_mgr *mgr;
		struct l2cap_chan *chan;

		mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
		if (!mgr)
		return NULL;

		BT_DBG("conn %p mgr %p", conn, mgr);

		mgr->l2cap_conn = conn;

		chan = a2mp_chan_open(conn);
		if (!chan) {
		kfree(mgr);
		return NULL;
		}

		mgr->a2mp_chan = chan;
		chan->data = mgr;

		conn->hcon->amp_mgr = mgr;

		kref_init(&mgr->kref);

		return mgr;
		}

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		@@ -28,6 +28,7 @@

		#include <net/bluetooth/bluetooth.h>
		#include <net/bluetooth/hci_core.h>
		#include <net/bluetooth/a2mp.h>

		static void hci_le_connect(struct hci_conn *conn)
		{
		@@ -411,6 +412,9 @@ int hci_conn_del(struct hci_conn *conn)

		hci_chan_list_flush(conn);

		if (conn->amp_mgr)
		amp_mgr_put(conn->amp_mgr);

		hci_conn_hash_del(hdev, conn);
		if (hdev->notify)
		hdev->notify(hdev, HCI_NOTIFY_CONN_DEL);