802.11g/GPRS broadcom cardbus

Yann Berthier yb at sainte-barbe.org
Mon Jun 7 09:45:10 GMT 2004


   [Nicolas and I are coworkers]

On Fri, 04 Jun 2004, Bill Paul wrote:

> Hm. In theory, I think it's possible to make the whole thing work.
> The only tricky part is that they've combined two functions on the
> same device. The 802.11g wireless function should work fine using
> the NDISulator and the supplied Windows driver (check the CD that
> came with it: there's probably a bcmwl5.sys and bcmwl5.inf file on
> it somewhere). But the probe routine in if_ndis_pci.c only selects
> devices based on the PCI vendor and device ID. If the two functions
> appear to have unique device IDs, then you should be ok. If not, the
> probe routine might try to claim both the wireless function and
> the serial function.
> If it turns out both functions have the same vendor/device ID, this 
> shouldn't be too hard to deal with: the probe routine can additionally
> check the PCI device type code and reject anything that isn't 'network'
> or 'wireless.'

   We have not tested the ndis part yet.

> As for the serial interface, assuming it behaves like a normal
> COM port, I expect you can get it to work by adding the PCI vendor/device
> ID to the PCI attachment of the sio driver. Then it will get attached
> as an sio device.

   Indeed it works, all it takes is to add
   { 0x432214e4, "Broadcom 802.11g/GPRS CardBus (Serial)", 0x10 },

   In /usr/src/sys/dev/sio/sio_pci.c

   Do we need to submit a PR ?

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