On Thu, 12 Jan 2006 20:01:43 +0200
Nerijus Baliunas <[email protected]> wrote:
> Hello,
>
> Why a newer driver (http://www.marvell.com/drivers/upload/install-8_28.tar.bz2,
> it's v8.28.1.3, while kernel has v6.23) is not integrated into kernel?
> Because of no one submitted it or does it have some problems?
It was submitted, but has several problems:
* wasn't done as small pieces; too much whole sale replacement
* ignored all the bugfixes and work that went into the mainline kernel
* merges support for two kinds of hardware in one driver
Also, it increases the amount of vendor ugly code; the sk98lin driver
would probably not be accepted today.
While developing the skge and sky2 driver I discovered more problems and
those got fixed in the mainline sk98lin driver. The vendor version has
issues like:
* does NAPI but has interrupts disabled
* has a watchdog routine to mask off all the bugs they never managed
to fix.
* sets PCI-express parameters to benchmark values that cause
random hangs and data corruption
That is why I wouldn't recommend the vendor version for any production
systems.
> Because w/o it some newer cards are not recognized
> (Marvell Technology Group Ltd. 88E8050 Gigabit Ethernet Controller (rev 17)
> for example).
>
> Regards,
> Nerijus
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--
Stephen Hemminger <[email protected]>
OSDL http://developer.osdl.org/~shemminger
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