From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Define AMP Manager and some basic functions.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/a2mp.h | 30 +++++++++++++++++++++++++
net/bluetooth/a2mp.c | 49 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 79 insertions(+), 0 deletions(-)
create mode 100644 include/net/bluetooth/a2mp.h
diff --git a/include/net/bluetooth/a2mp.h b/include/net/bluetooth/a2mp.h
new file mode 100644
index 0000000..0fe8ddd
--- /dev/null
+++ b/include/net/bluetooth/a2mp.h
@@ -0,0 +1,30 @@
+/*
+ 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 list_head list;
+ struct l2cap_conn *l2cap_conn;
+ struct l2cap_chan *a2mp_chan;
+ struct kref kref;
+ __u8 ident;
+ unsigned long flags;
+};
+
+void amp_mgr_get(struct amp_mgr *mgr);
+int amp_mgr_put(struct amp_mgr *mgr);
+
+#endif /* __A2MP_H */
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 52bb7d8..247a543 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -14,6 +14,7 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/a2mp.h>
static struct l2cap_ops a2mp_chan_ops = {
.name = "L2CAP A2MP channel",
@@ -61,3 +62,51 @@ static struct l2cap_chan *open_a2mp_chan(struct l2cap_conn *conn)
return chan;
}
+
+/* AMP Manager functions */
+void amp_mgr_get(struct amp_mgr *mgr)
+{
+ kref_get(&mgr->kref);
+}
+
+static void amp_mgr_destroy(struct kref *kref)
+{
+ struct amp_mgr *mgr;
+ mgr = container_of(kref, struct amp_mgr, kref);
+
+ BT_DBG("mgr %p", mgr);
+
+ kfree(mgr);
+}
+
+int amp_mgr_put(struct amp_mgr *mgr)
+{
+ return kref_put(&mgr->kref, &_mgr_destroy);
+}
+
+struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
+{
+ struct amp_mgr *mgr;
+
+ mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
+ if (!mgr)
+ goto finished;
+
+ BT_DBG("conn %p mgr %p", conn, mgr);
+
+ mgr->l2cap_conn = conn;
+
+ mgr->a2mp_chan = open_a2mp_chan(conn);
+ if (!mgr->a2mp_chan) {
+ kfree(mgr);
+ mgr = NULL;
+ goto finished;
+ }
+
+ mgr->a2mp_chan->data = mgr;
+
+ kref_init(&mgr->kref);
+
+finished:
+ return mgr;
+}
--
1.7.4.1
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