netdev - [PATCH 45/47] Bluetooth: Acknowledge L2CAP packets when receiving RR-frames (F-bit=1)

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Message-Id: <ca42a613c92d131ff02d5714419d58c36c3459f3.1251621661.git.marcel@holtmann.org>
Date:	Sun, 30 Aug 2009 01:50:59 -0700
From:	Marcel Holtmann <marcel@...tmann.org>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 45/47] Bluetooth: Acknowledge L2CAP packets when receiving RR-frames (F-bit=1)

From: Gustavo F. Padovan <gustavo@....ic.unicamp.br>

Implement the Recv ReqSeqAndFBit event when a RR frame with F bit set is
received.

Signed-off-by: Gustavo F. Padovan <gustavo@....ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
---
 net/bluetooth/l2cap.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index e5847c5..0a36c61 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3348,9 +3348,13 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 	case L2CAP_SUPER_RCV_READY:
 		if (rx_control & L2CAP_CTRL_POLL) {
 			u16 control = L2CAP_CTRL_FINAL;
-			control |= L2CAP_SUPER_RCV_READY;
+			control |= L2CAP_SUPER_RCV_READY |
+				(pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT);
 			l2cap_send_sframe(l2cap_pi(sk), control);
 		} else if (rx_control & L2CAP_CTRL_FINAL) {
+			pi->expected_ack_seq = tx_seq;
+			l2cap_drop_acked_frames(sk);
+
 			if (!(pi->conn_state & L2CAP_CONN_WAIT_F))
 				break;
 
-- 
1.6.2.5

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