Re: [RFCv5 03/26] Bluetooth: A2MP: Create A2MP channel

From: Andrei Emeltchenko <redacted>

Create and initialize fixed A2MP channel

Signed-off-by: Andrei Emeltchenko <redacted>
---
 include/net/bluetooth/l2cap.h |    6 +++-
 net/bluetooth/Makefile        |    3 +-
 net/bluetooth/a2mp.c          |   63 +++++++++++++++++++++++++++++++++++++++++
 net/bluetooth/l2cap_core.c    |    4 +-
 4 files changed, 72 insertions(+), 4 deletions(-)
 create mode 100644 net/bluetooth/a2mp.c

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 9287c24..0f0ef6c 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h

@@ -51,6 +51,8 @@
 #define L2CAP_CONN_TIMEOUT		msecs_to_jiffies(40000)
 #define L2CAP_INFO_TIMEOUT		msecs_to_jiffies(4000)
 
+#define L2CAP_A2MP_DEFAULT_MTU		670
+
 /* L2CAP socket address */
 struct sockaddr_l2 {
 	sa_family_t	l2_family;

@@ -224,6 +226,7 @@ struct l2cap_conn_rsp {
 /* channel indentifier */
 #define L2CAP_CID_SIGNALING	0x0001
 #define L2CAP_CID_CONN_LESS	0x0002
+#define L2CAP_CID_A2MP		0x0003
 #define L2CAP_CID_LE_DATA	0x0004
 #define L2CAP_CID_LE_SIGNALING	0x0005
 #define L2CAP_CID_SMP		0x0006

@@ -867,7 +870,8 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 								u32 priority);
 void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
 int l2cap_chan_check_security(struct l2cap_chan *chan);
-
+void l2cap_ertm_init(struct l2cap_chan *chan);
+void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan);
 void __l2cap_chan_set_err(struct l2cap_chan *chan, int err);
 
 #endif /* __L2CAP_H */

diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index 2dc5a57..fa6d94a 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile

@@ -9,4 +9,5 @@ obj-$(CONFIG_BT_CMTP)	+= cmtp/
 obj-$(CONFIG_BT_HIDP)	+= hidp/
 
 bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
-	hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o
+	hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
+	a2mp.o

diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
new file mode 100644
index 0000000..967e0f1
--- /dev/null
+++ b/net/bluetooth/a2mp.c

@@ -0,0 +1,63 @@
+/*
+   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.
+*/
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/l2cap.h>
+
+static struct l2cap_ops a2mp_chan_ops = {
+	.name = "L2CAP A2MP channel",
+};
+
+static struct l2cap_chan *open_a2mp_chan(struct l2cap_conn *conn)