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Re: [Xen-users] howto give DomU the pcmcia wlan card from Dom0 ?


  • To: John Morris <john@xxxxxxxxxxx>
  • From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
  • Date: Sat, 30 Dec 2006 23:01:04 +0000
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 30 Dec 2006 15:01:14 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

John Morris wrote:
Nico Kadel-Garcia wrote:
harm wrote:
hi list members,
my goal is to make one of my DomU's act as a wireless accesspoint...
[...]
Umm. Given the cheapness of such hardware, why are you bothering?
Seriously?

Jeez, lame answer.  I can think of various reasons one might not want
another box hanging around.  PCMCIA means mobile, for one.  I've posted
occasional questions to mailing lists, and when I get this kind of lame
answer from someone who thinks he knows better, others seem not to read the
post anymore, thinking it's already been answered.  Better just not to
answer than to reply with a post including NO helpful information.
Calm down. It's a serious question. Given that Xen is good for some things, and I use it for some of those, the adventures of going through the iptables adventures to get that working, and relying on the Dom0 hardware as a single point of failure seem excessively painful. If there's a good reason to do so, I'd love to hear it.

Also, given such a desire and the routing/firewall adventures possible, which still lack good documentation, I'd encourage the original poster to consider if they want to have this adventure or be the one to write it up. Given the difficulties especially with USB devices and the firewall issues, I wouldn't want to take that on as a newbie.

That said, I don't know the right answer either.  Have you tried installing
the module manually to see if the card is recognized?

Your USB idea may have two problems:  One, you can't currently assign a
single USB device to a DomU.  You would have to use pciback to give the DomU
the whole USB controller.  Two, last I checked a few months ago, USB Wifi
cards couldn't be used with the hostap driver because of USB-specific timing
issues.  I'd try to get the PCMCIA card working.

        John
Perhaps I was too dismissive: if it's just for the fun, cool, and good luck with getting the PCMCIA or USB integrated.

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