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From: Mat Martineau <mathewm@codeaurora.org>
To: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCHv1 7/7] Bluetooth: Adjust L2CAP Max PDU size for AMP packets
Date: Fri, 5 Oct 2012 10:40:32 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.02.1210051019460.5384@mathewm-linux> (raw)
In-Reply-To: <1349445419-16788-7-git-send-email-Andrei.Emeltchenko.news@gmail.com>


On Fri, 5 Oct 2012, Andrei Emeltchenko wrote:

> From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
>
> Maximum PDU size is defined by new BT Spec as 1492 octets.
>
> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
> ---
> 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 <mathewm@codeaurora.org>

--
Mat Martineau

The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation


  reply	other threads:[~2012-10-05 17:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-05 13:56 [PATCHv1 1/7] Bluetooth: L2CAP: Fix using default Flush Timeout for EFS Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 2/7] Bluetooth: AMP: Fix possible NULL dereference Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 3/7] Bluetooth: Fix dereference after NULL check Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 4/7] Bluetooth: AMP: Factor out amp_ctrl_add Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 5/7] Bluetooth: AMP: Factor out phylink_add Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 6/7] Bluetooth: AMP: Use block_mtu for AMP controller Andrei Emeltchenko
2012-10-05 13:56 ` [PATCHv1 7/7] Bluetooth: Adjust L2CAP Max PDU size for AMP packets Andrei Emeltchenko
2012-10-05 17:40   ` Mat Martineau [this message]
2012-10-07 22:25   ` Gustavo Padovan
2012-10-07 21:48 ` [PATCHv1 1/7] Bluetooth: L2CAP: Fix using default Flush Timeout for EFS Gustavo Padovan
2012-10-08  8:14   ` [PATCH] " Andrei Emeltchenko
2012-10-08 12:41     ` Gustavo Padovan

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