Thread (12 messages) 12 messages, 3 authors, 2012-10-08

Re: [PATCHv1 7/7] Bluetooth: Adjust L2CAP Max PDU size for AMP packets

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From: Mat Martineau <hidden>
Date: 2012-10-05 17:40:32

On Fri, 5 Oct 2012, Andrei Emeltchenko wrote:
quoted hunk ↗ jump to hunk
From: Andrei Emeltchenko <redacted>

Maximum PDU size is defined by new BT Spec as 1492 octets.

Signed-off-by: Andrei Emeltchenko <redacted>
---
include/net/bluetooth/l2cap.h |    2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 83fb9c7..caab98c 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -39,7 +39,7 @@
#define L2CAP_DEFAULT_MAX_TX		3
#define L2CAP_DEFAULT_RETRANS_TO	2000    /* 2 seconds */
#define L2CAP_DEFAULT_MONITOR_TO	12000   /* 12 seconds */
-#define L2CAP_DEFAULT_MAX_PDU_SIZE	1009    /* Sized for 3-DH5 packet */
+#define L2CAP_DEFAULT_MAX_PDU_SIZE	1492    /* Sized for AMP packet */
#define L2CAP_DEFAULT_ACK_TO		200
#define L2CAP_DEFAULT_MAX_SDU_SIZE	0xFFFF
#define L2CAP_DEFAULT_SDU_ITIME		0xFFFFFFFF
-- 
1.7.9.5
I had missed this, thanks for fixing it.  This makes AMP use the most efficient PDU size for AMP controllers, while the size of the PDUs sent on BR/EDR links will still be limited to L2CAP_BR_EDR_MAX_PAYLOAD.

Reviewed-by: Mat Martineau <redacted>

--
Mat Martineau

The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
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