[zd1211-devs] [PATCH] AP/master mode success with ZD1211LnxDrv_2_22_0_0 + 2.6.25.1

[Hin-Tak L. <ht...@us...>]

subscriber-only bounced, 2nd try.

--- On Wed, 7/5/08, Hin-Tak Leung <ht...@us...> wrote:
> Here is my ugly patch to make the vendor 2.22 driver work
> with kernel
> 2.6.25.1, with a ZD1211B-based USB stick, and working in 
> access-point/master mode against a managed-mode Realtek
> client.
> - the whole point of porting the vendor driver to 2.6.25.1
> is the master
> mode, really. The stick was bought for a old laptop with
> only one USB 1.1
> port, so master mode has only been tested in my case in
> Pure-B (802.11b)
> mode. But the vendor driver seems to be quite alright and
> stable and fast,
> and I ran windows update on the never-been-used Vista
> partition of the
> realtek client and ip-masquaraded 70MB through the other
> side of zd1211.
> 
> a little comment:
> - granted, the vendor driver code itself is ugly as hell,
> and have some
> obvious endianness issues and 64-bit issues - the
> realtek-equiped machine
> is 64-bit and it is quite obvious the vendor driver does
> not work there;
> and I don't believe the vendor driver works on
> big-endian arch either - but 
> zd1211rw still doesn't work in master/ad-hoc mode,
> despite some words from
>  time to time that it is easy(!) in the new stack for some
> years now...
> 
> - the wiki is inaccurate - the vendor-based driver has been
> abandoned for almost a year now, and the last vendor driver
> was releasd a bit before christmas; so the vendor driver is
> actually more up-to-date in tracking
> kernel changes than the vendor-based community driver. And
> the fact that
> zd1211rw still does not do any mode but managed is not
> given enough emphasis. e.g. The realtek driver actually
> stops one from setting illegal/unsupported iwconfig values,
> but the zd1211rw driver doesn't flag
> an error on iwconfig, but one has to issue another iwconfig
> to see that cell is invalid and there is still no
> indication that 
> ad-hoc mode doesn't work unless one looks it up that
> cell-invalid is 'ad-hoc mode does not work'. This
> behavior is misleading.
> 
> That said, I did use the zd1211rw driver on the 64-bit
> machine briefly and I know the code is clean and
> endian-aware, so thanks for that; and I'll try to tidy
> up the vendor v2.22-kernel-2.6.25.1 patch, and would
> probably 
> write in again explaining why I did what I did to make it
> work.
> So on the caveat that the attached patch works for me on an
> old 32-bit intel pentium laptop with a usb 1.1 port running
> in master mode (plus 
> using dnsmasq for serving clients), I hope you would put it
> up somewhere for downoad and hope that it would be useful to
> others. It is heavily 
> based on a patch by Constantine Shulyupin for v2.15, so if
> he is listening,
> thanks.
> 
> 
>      
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