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Re: [PATCH 3/3] Intel IXP4xx network drivers

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From: Christian Hohnstaedt <chohnstaedt@...>
To: Krzysztof Halasa <khc@...>
Cc: Michael-Luke Jones <mlj28@...>, <netdev@...>, <linux-arm-kernel@...>, Russell King <rmk@...>, Jeff Garzik <jeff@...>, lkml <linux-kernel@...>
Subject: Re: [PATCH 3/3] Intel IXP4xx network drivers
Date: Monday, May 7, 2007 - 1:52 pm

On Mon, May 07, 2007 at 07:12:49PM +0200, Krzysztof Halasa wrote:
No.

- qmgr is a versatile hardware fifo stack, that is currently
  used to exchange data with the NPE.

- the NPE can also be used as DMA engine and for crypto operations.
  Both are not network related.
  Additionally, the NPE is not only ixp4xx related, but is
  also used in IXP23xx CPUs, so it could be placed in
  arch/arm/common or arch/arm/xscale ?

- The MAC is used on IXP23xx, too. So the drivers for
  both CPU familys only differ in the way they exchange
  network packets between the NPE and the kernel.
  
If Queue Manager & NPE move to arch/.... , it can be a single file.

Christian Hohnstaedt

-- 
Christian Hohnstaedt
Software Engineer

Innominate Security Technologies AG  /protecting industrial networks/
tel: +49.30.6392-3285 fax: +49.30.6392-3307
Albert-Einstein-Strasse 14, D-12489 Berlin, Germany
http://www.innominate.com

Register Court: AG Charlottenburg, HR B 81603
Management Board: Joachim Fietz, Dirk Seewald
Chairman of the Supervisory Board: Edward M. Stadum
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Messages in current thread:
[PATCH 0/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Sun May 6, 7:46 pm)
Re: [PATCH 0/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 9:40 pm)
Re: [PATCH 0/3] Intel IXP4xx network drivers, Leon Woestenberg, (Mon May 7, 4:39 pm)
Re: [PATCH 0/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 5:21 pm)
[PATCH 2a/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 6:27 am)
[PATCH 3/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Sun May 6, 8:07 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Lennert Buytenhek, (Tue May 8, 7:40 am)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Michael-Luke Jones, (Mon May 7, 8:59 am)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 1:12 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Michael-Luke Jones, (Mon May 7, 2:14 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 3:57 pm)
[PATCH] Intel IXP4xx network drivers v.2 - Ethernet and HSS, Krzysztof Halasa, (Mon May 7, 9:19 pm)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Lennert Buytenhek, (Tue May 8, 7:37 am)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Krzysztof Halasa, (Tue May 8, 10:31 am)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Lennert Buytenhek, (Tue May 8, 10:53 am)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Krzysztof Halasa, (Tue May 8, 1:17 pm)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Michael-Luke Jones, (Tue May 8, 3:22 am)
Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and ..., Jeff Garzik, (Tue May 8, 1:28 am)
[PATCH] Intel IXP4xx network drivers v.3 - QMGR, Krzysztof Halasa, (Mon May 7, 8:46 pm)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Lennert Buytenhek, (Tue May 8, 7:32 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Krzysztof Halasa, (Tue May 8, 10:12 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Lennert Buytenhek, (Tue May 8, 10:40 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Krzysztof Halasa, (Tue May 8, 12:59 pm)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Lennert Buytenhek, (Wed May 9, 6:21 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Krzysztof Halasa, (Thu May 10, 10:08 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Alexey Zaytsev, (Tue May 8, 8:47 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Lennert Buytenhek, (Tue May 8, 8:59 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Michael-Luke Jones, (Tue May 8, 3:05 am)
Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR, Krzysztof Halasa, (Tue May 8, 9:57 am)
[PATCH] Intel IXP4xx network drivers v.2 - NPE, Krzysztof Halasa, (Mon May 7, 8:36 pm)
Re: [PATCH] Intel IXP4xx network drivers v.2 - NPE, Michael-Luke Jones, (Tue May 8, 3:02 am)
Re: [PATCH] Intel IXP4xx network drivers v.2 - NPE, Krzysztof Halasa, (Tue May 8, 9:56 am)
[PATCH] Intel IXP4xx network drivers v.2, Krzysztof Halasa, (Mon May 7, 8:11 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Christian Hohnstaedt, (Mon May 7, 1:52 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Mon May 7, 4:00 pm)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Lennert Buytenhek, (Tue May 8, 7:48 am)
Re: [PATCH 3/3] Intel IXP4xx network drivers, Krzysztof Halasa, (Tue May 8, 9:47 am)
[PATCH 2/3] ARM: include IXP4xx "fuses" support, Krzysztof Halasa, (Sun May 6, 8:07 pm)
Re: [PATCH 2/3] ARM: include IXP4xx "fuses" support, Alexey Zaytsev, (Mon May 7, 1:24 am)
Re: [PATCH 2/3] ARM: include IXP4xx "fuses" support, Krzysztof Halasa, (Mon May 7, 6:24 am)
[PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "select", Krzysztof Halasa, (Sun May 6, 8:06 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Sun May 6, 9:44 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Krzysztof Halasa, (Mon May 7, 5:35 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Mon May 7, 7:22 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Krzysztof Halasa, (Mon May 7, 7:56 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Mon May 7, 9:17 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Jeff Garzik, (Mon May 7, 9:21 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Mon May 7, 9:46 am)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Krzysztof Halasa, (Mon May 7, 12:50 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Mon May 7, 1:07 pm)
[PATCH 1a/3] WAN Kconfig: change "depends on HDLC" to "select", Krzysztof Halasa, (Mon May 7, 5:08 pm)
[PATCH] Use menuconfig objects II - netdev/wan, Krzysztof Halasa, (Mon May 7, 5:02 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Krzysztof Halasa, (Mon May 7, 4:54 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Satyam Sharma, (Mon May 7, 2:15 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Jeff Garzik, (Mon May 7, 4:31 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Roman Zippel, (Mon May 7, 4:57 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Satyam Sharma, (Mon May 7, 4:49 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Randy Dunlap, (Mon May 7, 4:50 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Satyam Sharma, (Mon May 7, 6:39 pm)
Re: [PATCH 1/3] WAN Kconfig: change "depends on HDLC" to "se..., Randy Dunlap, (Mon May 7, 6:52 pm)