linux-kernel - Re: How to active/validate the NPE-B NIC of intel

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Date:	Tue, 13 Jan 2009 09:15:14 +0800
From:	bigboy <snakky.zhang@...il.com>
To:	"Mikael Pettersson" <mikpe@...uu.se>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How to active/validate the NPE-B NIC of intel_ixdp465?

Thanks for your kindly remind. :-)

Thanks
Xiao

On Mon, Jan 12, 2009 at 6:09 PM, Mikael Pettersson <mikpe@...uu.se> wrote:
>
> bigboy writes:
>  > Hi,
>  >
>  > I have an Intel IXDP465 target with a NPE-B mezzanine card and that
>  > was supported & validated with linux-2.6.21 + "Intel IXP400 Software
>  > Access Library". And now the NPE ether net driver moved into the linux
>  > baseline (drivers/net/arm/ixp4xx_eth.c) so I want to try it without
>  > Intel's lib but failed. Here is my operations:
>  >
>  > Build the zImage with linux-2.6.28, I configure the kernel with
>  > ixp4xx_defconfig and just change the IXP4XX_ETH to Y.
>  >
>  > Build the firmware for NPE-B:
>  >
>  > -) download the "Intel(R) IXP400 software - Access Library
>  > (non-crypto)" to get the head file IxNpeMicrocode.h;
>  >
>  > -) download the "Intel IXP400 software - NPE microcode (non-crypto)",
>  > both 2.4 and 3.0/3.0.1 version, unpack it and copy the head file
>  > IxNpeMicrocode.h to its source code subdirectory;
>  >
>  > -) Edit the head file and comment out those macros for NPE-A and NPE-C
>  > and just leave the one for NPE-B;
>  >
>  > -) Edit the IxNpeMicrocode.c and comment out line 25664, the 8 bytes
>  > of  "END OF IMAGE LIBRARY MARKER".
>  >
>  > -) "gcc ixNpeDlImageConverter.c" and get a a.out; run it and get the
>  > firmware called IxNpeMicrocode.dat.
>  >
>  > -) Rename the IxNpeMicrocode.dat to NPE-B and copy it to the NFS
>  > rootfs of the target in /lib/firmware.
>  >
>  >
>  > There is a PCI E100 NIC and the linux kernel mount NFS rootfs through
>  > it. The kernel can find two NICs related to NPE, eth1 for NPE-B and
>  > eth2 for NPE-C. Then, I tried to active the NIC of NPE-B(eth1):
>  >
>  > -) "ifconfig eth1 hw ether 1234567890ab 192.168.1.1 netmask
>  > 255.255.255.0 broadcast 192.168.1.255". With this I can see the driver
>  > output "eht1: link up, speed 100 Mb/s, full duplex".
>  >
>  > -) Then "ping -I eth1 192.168.1.2". Then all I can get is "Destination
>  > Host Unreachable" :-(
>  >
>  > With the firmware built with Microcode-V2.4, it can send up to 6
>  > packages(get tx irq) and at last the "Link is down"; with the firmware
>  > of V3.0, no package TX and at last the TX queue full and was
>  > deactivated. With both of these firmware, no packages received.
>  >
>  > I wonder if there are anything wrong with my operations or if I need
>  > some other special configurations/operations? Or any advises on
>  > debugging that.
>
> You'd have better luck reaching the people in charge of this
> on the arm kernel mailing list, or possibly the netdev list.
>
> As I recall, the procedure for converting Intel's microcode .h
> file to something ixp4xx_eth wanted to load involved using a
> .h or .c file off the ixp4xx_eth driver's old web site.
> (I don't have the details handy.)
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