Development issues regarding the cerowrt test router project
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From: Dave Taht <dave.taht@gmail.com>
To: David Lang <david@lang.hm>
Cc: Richard Brown <richard.e.brown@dartware.com>,
	"<cerowrt-devel@lists.bufferbloat.net>"
	<cerowrt-devel@lists.bufferbloat.net>
Subject: Re: [Cerowrt-devel] WNDR3700v4 is out...
Date: Thu, 3 Jan 2013 12:03:36 -0800	[thread overview]
Message-ID: <CAA93jw7xD=QnTnE=3p70WpSYReNiYhnNaU8aRqTrZCPK6SGyPg@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1301031154320.23937@nftneq.ynat.uz>

Although the wndr4300 gained support in openwrt, it is still rather
limited when I last looked.

Due to the use of NAND flash in this board Squashfs + JFFS2 may never
work, and even with JFFS2, it's worrisome regarding wear leveling....

On Thu, Jan 3, 2013 at 11:56 AM, David Lang <david@lang.hm> wrote:
> still working on this, but openwrt has gained support for the WNDR4300, and
> reports are that it appears that it's the same board as the WNDR3700v4. The
> 4300 is selling for ~$130 so it's a viable option, even if the 3700v4 falls
> through.
>
> David Lang
>
>
>  On Sun, 23 Dec 2012, Dave Taht wrote:
>
>> On Sun, Dec 23, 2012 at 2:27 AM, David Lang <david@lang.hm> wrote:
>>>
>>> On Thu, 20 Dec 2012, Richard Brown wrote:
>>>
>>>> The wndr3700v4 is out, and appears to be a good hardware upgrade from
>>>> the 3800 series, but it's not supported by openwrt yet.
>>>>
>>>> I took a look at their GPL source distribution. And yea! it's openwrt.
>>>> And boo! it's ancient openwrt, for example dnsmasq is 2.39 (current is
>>>> 2.64), and their kernel is 2.6.31.
>>>>
>>>> I think the cpu and ethernet chips tho look a lot better: Atheros
>>>> AR9344+ AR9580(5GHz)+AR9344(2.4GHz). It's my hope these do ipv6
>>>> better.
>>>>
>>>> I found a WNDR3700v4 at the local Staples for $99.99. I wasn't brave
>>>> enough to buy it. Here's an image of the box so you can recognize it...
>>>
>>>
>>>
>>> I've purchased one, but I don't have the openwrt experiance to bootstrap
>>> this. I have built my own openwrt images for the 3700v2 and 3800 and have
>>> been using Linux since the 0.99 kernel days, so I am very comfortable
>>> mucking with kernel compile options.
>>>
>>> If someone is willing to coach me through the process, I'd be happy to do
>>> the experimentation.
>>
>>
>> I've ordered one too, but I would argue that a concerted effort would
>> need to be made on the part of some core #openwrt devs to get it
>> anywhere. The cpu is a mips 74k. It's a dual issue core with a very,
>> very long pipeline, so although it boasts twice the instructions per
>> clock than the 24k, and in simple benchmarks like drystone, rocks,
>> that deep pipeline isn't helpful for tons of code. (IMHO). It doesn't
>> look like the cache architecture is improved much, either.
>>
>> It's not clear what the ethernet driver is, there appear to be legal
>> issues on the equivalent broadcom ethernet device, and so on, and so
>> forth.
>>
>> You will need, at least, a 3.3v serial port and adaptor, and jtag
>> might be needed. If you want to learn about just how painful it is to
>> bring up a new board, this is your chance!
>>
>> It makes sense to start a thread on openwrt-devel about doing the port.
>>
>> https://forum.openwrt.org/viewtopic.php?id=41092
>>
>> And/or find some other still supported hardware still being shipped by
>> some other manufacturer.
>>
>> Frankly, if we truly have to jump platforms, I'd rather go arm.
>>
>>> David Lang
>>> _______________________________________________
>>> Cerowrt-devel mailing list
>>> Cerowrt-devel@lists.bufferbloat.net
>>> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>>
>>
>>
>>
>>
>



-- 
Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html

      reply	other threads:[~2013-01-03 20:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.4.1356033603.24143.cerowrt-devel@lists.bufferbloat.net>
2012-12-20 21:21 ` Richard Brown
2012-12-23  7:27   ` David Lang
2012-12-23 13:02     ` Dave Taht
2012-12-23 14:45       ` dpreed
2012-12-23 15:16       ` David Lang
2012-12-23 15:22         ` Outback Dingo
2012-12-23 15:50           ` David Lang
2012-12-23 15:53           ` Dave Taht
2012-12-23 16:14             ` David Lang
2012-12-23 16:38               ` Dave Taht
2012-12-23 16:57                 ` David Lang
2012-12-23 17:08                   ` Dave Taht
2013-01-03 19:56       ` David Lang
2013-01-03 20:03         ` Dave Taht [this message]

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