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From: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [RFCv6 19/26] Bluetooth: A2MP: Handling fixed channels
Date: Wed, 28 Mar 2012 16:31:42 +0300	[thread overview]
Message-ID: <1332941509-21345-20-git-send-email-Andrei.Emeltchenko.news@gmail.com> (raw)
In-Reply-To: <1332941509-21345-1-git-send-email-Andrei.Emeltchenko.news@gmail.com>

From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

A2MP fixed channel do not have sk

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
---
 include/net/bluetooth/l2cap.h |    1 +
 net/bluetooth/a2mp.c          |    3 +--
 net/bluetooth/l2cap_core.c    |   17 +++++++++++++++--
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 09cbd33..13ed508 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -565,6 +565,7 @@ struct l2cap_conn {
 #define L2CAP_CHAN_RAW			1
 #define L2CAP_CHAN_CONN_LESS		2
 #define L2CAP_CHAN_CONN_ORIENTED	3
+#define L2CAP_CHAN_CONN_FIX_A2MP	4
 
 /* ----- L2CAP socket info ----- */
 #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 0453372..dcb86c5 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -460,8 +460,7 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
 
 	hci_conn_hold(conn->hcon);
 
-	chan->omtu = L2CAP_A2MP_DEFAULT_MTU;
-	chan->imtu = L2CAP_A2MP_DEFAULT_MTU;
+	chan->chan_type = L2CAP_CHAN_CONN_FIX_A2MP;
 	chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
 
 	chan->ops = &a2mp_chan_ops;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a080b00..483ec9f 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -338,6 +338,13 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 		chan->omtu = L2CAP_DEFAULT_MTU;
 		break;
 
+	case L2CAP_CHAN_CONN_FIX_A2MP:
+		chan->scid = L2CAP_CID_A2MP;
+		chan->dcid = L2CAP_CID_A2MP;
+		chan->omtu = L2CAP_A2MP_DEFAULT_MTU;
+		chan->imtu = L2CAP_A2MP_DEFAULT_MTU;
+		break;
+
 	default:
 		/* Raw socket can send/recv signalling messages only */
 		chan->scid = L2CAP_CID_SIGNALING;
@@ -368,7 +375,7 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
 {
 	struct sock *sk = chan->sk;
 	struct l2cap_conn *conn = chan->conn;
-	struct sock *parent = bt_sk(sk)->parent;
+	struct sock *parent;
 
 	__clear_chan_timer(chan);
 
@@ -384,6 +391,9 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
 		hci_conn_put(conn->hcon);
 	}
 
+	if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP)
+		goto clean;
+
 	lock_sock(sk);
 
 	__l2cap_state_change(chan, BT_CLOSED);
@@ -392,6 +402,7 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
 	if (err)
 		__l2cap_chan_set_err(chan, err);
 
+	parent = bt_sk(sk)->parent;
 	if (parent) {
 		bt_accept_unlink(sk);
 		parent->sk_data_ready(parent, 0);
@@ -404,6 +415,7 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
 			test_bit(CONF_INPUT_DONE, &chan->conf_state)))
 		return;
 
+clean:
 	skb_queue_purge(&chan->tx_q);
 
 	if (chan->mode == L2CAP_MODE_ERTM) {
@@ -1315,7 +1327,8 @@ static void l2cap_monitor_timeout(struct work_struct *work)
 	l2cap_chan_lock(chan);
 
 	if (chan->retry_count >= chan->remote_max_tx) {
-		l2cap_send_disconn_req(chan->conn, chan, ECONNABORTED);
+		if (chan->chan_type != L2CAP_CHAN_CONN_FIX_A2MP)
+			l2cap_send_disconn_req(chan->conn, chan, ECONNABORTED);
 		l2cap_chan_unlock(chan);
 		l2cap_chan_put(chan);
 		return;
-- 
1.7.9.1


  parent reply	other threads:[~2012-03-28 13:31 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-23 16:13 [RFCv5 00/26] RFC Bluetooth A2MP implementation Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 01/26] Bluetooth: Add set_err to state_change callback Andrei Emeltchenko
2012-03-25 16:48   ` Gustavo Padovan
2012-03-23 16:13 ` [RFCv5 02/26] Bluetooth: Lock sk only if exist in state_change Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 03/26] Bluetooth: A2MP: Create A2MP channel Andrei Emeltchenko
2012-03-25 17:12   ` Gustavo Padovan
2012-03-26  9:27     ` Andrei Emeltchenko
2012-03-27 15:54       ` Gustavo Padovan
2012-03-23 16:13 ` [RFCv5 04/26] Bluetooth: A2MP: AMP Manager basic functions Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 05/26] Bluetooth: A2MP: Build and Send msg helpers Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 06/26] Bluetooth: A2MP: Add chan callbacks Andrei Emeltchenko
2012-03-25 17:16   ` Gustavo Padovan
2012-03-26 11:59     ` Andrei Emeltchenko
2012-03-27 16:06       ` Gustavo Padovan
2012-03-23 16:13 ` [RFCv5 07/26] Bluetooth: A2MP: Definitions for A2MP commands Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 08/26] Bluetooth: A2MP: Define A2MP status codes Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 09/26] Bluetooth: A2MP: Process A2MP messages Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 10/26] Bluetooth: A2MP: Process A2MP Command Reject Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 11/26] Bluetooth: A2MP: Helper functions to count HCI devs Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 12/26] Bluetooth: A2MP: Process A2MP Discover Request Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 13/26] Bluetooth: A2MP: Process A2MP Change Notify Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 14/26] Bluetooth: A2MP: Process A2MP Get Info Request Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 15/26] Bluetooth: A2MP: Process A2MP Get AMP Assoc Request Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 16/26] Bluetooth: A2MP: Process A2MP Create Physlink Request Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 17/26] Bluetooth: A2MP: Process A2MP Disc " Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 18/26] Bluetooth: A2MP: Process A2MP Command Responses Andrei Emeltchenko
2012-03-23 16:13 ` [RFCv5 19/26] Bluetooth: A2MP: Handling fixed channels Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 20/26] Bluetooth: A2MP: Manage incoming connections Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 21/26] Bluetooth: physical link HCI interface to AMP Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 22/26] Bluetooth: Define AMP controller statuses Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 23/26] Bluetooth: General HCI callback implementation Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 24/26] Bluetooth: Process HCI callbacks in a workqueue Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 25/26] Bluetooth: AMP: Use HCI callback for Read AMP Info Andrei Emeltchenko
2012-03-23 16:14 ` [RFCv5 26/26] Bluetooth: AMP: Read Local Assoc support Andrei Emeltchenko
2012-03-28 13:31   ` [RFCv6 00/26] RFC Bluetooth A2MP implementation Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 01/26] Bluetooth: Add Read Local AMP Info to init Andrei Emeltchenko
2012-04-06 22:38       ` Gustavo Padovan
2012-03-28 13:31     ` [RFCv6 02/26] Bluetooth: Adds set_default function in L2CAP setup Andrei Emeltchenko
2012-04-06 22:39       ` Gustavo Padovan
2012-03-28 13:31     ` [RFCv6 03/26] Bluetooth: A2MP: Create A2MP channel Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 04/26] Bluetooth: A2MP: AMP Manager basic functions Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 05/26] Bluetooth: A2MP: Build and Send msg helpers Andrei Emeltchenko
2012-04-06 22:44       ` Gustavo Padovan
2012-04-11 13:33         ` Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 06/26] Bluetooth: A2MP: Add chan callbacks Andrei Emeltchenko
2012-04-06 23:20       ` Gustavo Padovan
2012-04-12  8:00         ` Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 07/26] Bluetooth: A2MP: Definitions for A2MP commands Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 08/26] Bluetooth: A2MP: Define A2MP status codes Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 09/26] Bluetooth: A2MP: Process A2MP messages Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 10/26] Bluetooth: A2MP: Process A2MP Command Reject Andrei Emeltchenko
2012-04-06 23:23       ` Gustavo Padovan
2012-04-12  8:06         ` Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 11/26] Bluetooth: A2MP: Helper functions to count HCI devs Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 12/26] Bluetooth: A2MP: Process A2MP Discover Request Andrei Emeltchenko
2012-04-06 23:55       ` Gustavo Padovan
2012-03-28 13:31     ` [RFCv6 13/26] Bluetooth: A2MP: Process A2MP Change Notify Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 14/26] Bluetooth: A2MP: Process A2MP Get Info Request Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 15/26] Bluetooth: A2MP: Process A2MP Get AMP Assoc Request Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 16/26] Bluetooth: A2MP: Process A2MP Create Physlink Request Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 17/26] Bluetooth: A2MP: Process A2MP Disc " Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 18/26] Bluetooth: A2MP: Process A2MP Command Responses Andrei Emeltchenko
2012-03-28 13:31     ` Andrei Emeltchenko [this message]
2012-03-28 13:31     ` [RFCv6 20/26] Bluetooth: A2MP: Manage incoming connections Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 21/26] Bluetooth: physical link HCI interface to AMP Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 22/26] Bluetooth: Define AMP controller statuses Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 23/26] Bluetooth: General HCI callback implementation Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 24/26] Bluetooth: Process HCI callbacks in a workqueue Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 25/26] Bluetooth: AMP: Use HCI callback for Read AMP Info Andrei Emeltchenko
2012-03-28 13:31     ` [RFCv6 26/26] Bluetooth: AMP: Read Local Assoc support Andrei Emeltchenko
2012-04-20 11:09   ` [RFCv7 00/23] RFC Bluetooth A2MP implementation Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 01/23] Bluetooth: A2MP: Create A2MP channel Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 02/23] Bluetooth: A2MP: AMP Manager basic functions Andrei Emeltchenko
2012-04-20 14:51       ` Ulisses Furquim
2012-04-23  7:22         ` Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 03/23] Bluetooth: A2MP: Build and Send msg helpers Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 04/23] Bluetooth: A2MP: Add chan callbacks Andrei Emeltchenko
2012-04-20 14:09       ` Ulisses Furquim
2012-04-23  7:26         ` Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 05/23] Bluetooth: A2MP: Definitions for A2MP commands Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 06/23] Bluetooth: A2MP: Define A2MP status codes Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 07/23] Bluetooth: A2MP: Process A2MP messages Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 08/23] Bluetooth: A2MP: Process A2MP Command Reject Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 09/23] Bluetooth: A2MP: Process A2MP Discover Request Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 10/23] Bluetooth: A2MP: Process A2MP Change Notify Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 11/23] Bluetooth: A2MP: Process A2MP Get Info Request Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 12/23] Bluetooth: A2MP: Process A2MP Get AMP Assoc Request Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 13/23] Bluetooth: A2MP: Process A2MP Create Physlink Request Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 14/23] Bluetooth: A2MP: Process A2MP Disc " Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 15/23] Bluetooth: A2MP: Process A2MP Command Responses Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 16/23] Bluetooth: A2MP: Handling fixed channels Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 17/23] Bluetooth: A2MP: Manage incoming connections Andrei Emeltchenko
2012-04-25 19:58       ` Gustavo Padovan
2012-04-26  8:29         ` Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 18/23] Bluetooth: physical link HCI interface to AMP Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 19/23] Bluetooth: Define AMP controller statuses Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 20/23] Bluetooth: General HCI callback implementation Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 21/23] Bluetooth: Process HCI callbacks in a workqueue Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 22/23] Bluetooth: AMP: Use HCI callback for Read AMP Info Andrei Emeltchenko
2012-04-20 11:09     ` [RFCv7 23/23] Bluetooth: AMP: Read Local Assoc support Andrei Emeltchenko

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