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From: Mat Martineau <mathewm@codeaurora.org>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: padovan@profusion.mobi, linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH 0/3] Zero-copy L2CAP ERTM & streaming reassembly
Date: Mon, 18 Jul 2011 15:18:11 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.02.1107181458360.8933@mathewm-linux> (raw)
In-Reply-To: <1311021225.21109.165.camel@aeonflux>


Hi Marcel -

On Mon, 18 Jul 2011, Marcel Holtmann wrote:

> Hi Mat,
>
>>> This patch series changes SDU reassembly to link together PDU skbs
>>> using a frag list instead of copying all data bytes to a single,
>>> linear skb.  The reduction in overhead is especially helpful with high
>>> speed AMP links.
>
> I have not looked at these at all, but one thing that came up in a
> discussion between Johan and myself with OBEX zero-copy was that we like
> to also see MSG_MORE support for L2CAP and RFCOMM sockets. Something to
> keep in mind ;)

Noted!  It would be nice to build up OBEX packets in the kernel, 
rather than having to assemble entire packets in an application 
buffer.

--
Mat Martineau
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum

  reply	other threads:[~2011-07-18 22:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-13 17:58 [PATCH 0/3] Zero-copy L2CAP ERTM & streaming reassembly Mat Martineau
2011-07-13 17:58 ` [PATCH 1/3] Bluetooth: Linearize skbs for use in BNEP, CMTP, HIDP, and RFCOMM Mat Martineau
2011-07-13 17:58 ` [PATCH 2/3] Bluetooth: Handle fragmented skbs in bt_sock_stream_recvmsg() Mat Martineau
2011-07-22 16:43   ` Gustavo Padovan
2011-07-22 19:20     ` Mat Martineau
2011-07-13 17:58 ` [PATCH 3/3] Bluetooth: Perform L2CAP SDU reassembly without copying data Mat Martineau
2011-07-22 16:46   ` Gustavo Padovan
2011-07-18 20:02 ` [PATCH 0/3] Zero-copy L2CAP ERTM & streaming reassembly Mat Martineau
2011-07-18 20:33   ` Marcel Holtmann
2011-07-18 22:18     ` Mat Martineau [this message]
2011-07-18 22:43       ` Marcel Holtmann

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