Making, drinking tea and reading an opus magnum from Justin Reigle:
[Charset ISO-8859-1 unsupported, filtering to ASCII...]
> Hello All,
cmd iface is completely different.
instead of pio it uses dma.
> I recently purchased a Thinkpad T40 which contains the Cisco Aironet
> MPI350 minipci
> adapter. After an afternoon of research and hacking the various
> aironet driver files,
> I'm hoping someone can offer some assistance.
>
> If you read this far, I'm sure you already know the MPI350 is
> different from the other
> Aironet miniPCI cards in that it does DMA in addition to PIO and also
> advertises has two
> seperate BARs to be mapped for "mem" and "aux mem".
>
> I've used the FreeBSD (primarily) and Linux drivers for reference. So
> far, I can get the
> card to attach and can read some basic data from the card. It gets through the
> generic an_attach without a hitch, an_read_record seems fine so far (e.g. can
> read the genconfig, capabilities, etc...). Mac address is printed
> properly, so I'm
> receiving data from the card. I also printf'd some other things in the
> capabilities
> and genconfig structure and verified the results appear valid.
>
> The fun comes inside of an_init, where we set the SSID list. This fails due to
> the check (reply.an_status & AM_CMD_QUAL_MASK) (from the FBSD code).
>
> So I'm curious to know if anyone knows anybody who might have access to this
> documentation and could help answer a few questions as and when they come?
> For instance, what does checking the an_status against the bits in
> AN_CMD_QUAL_MASK reveal? Does it indicate the type of failure?
>
> I've also seen that some records read with an_read_record have a length
> mismatch, such that the "record length mismatch" warning is printed.
> Is this a fatal
> problem? Is there some difference between how records are passed with the
> other MiniPCI aironets or have I screwed something up?
>
> Also, is pci_mapreg_map and the related functions documented anywhere
> other than /usr/src/sys? Their implementations seem straightforward, but I'm
> not
> sure if there are any underlying subtle semantics I'm missing...
>
> Any insight would be most helpful. I know this probably isn't the most
> relevent thing to post to misc, but I'm hoping I can solicit some
> assistance from an interested party.
>
> - Justin
>
--
paranoic mickey (my employers have changed but, the name has remained)
