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Date:	Fri, 14 Sep 2007 10:14:20 +0200
From:	Ingo Oeser <>
To:	"Michael Chan" <>
Cc:	"Lucas Nussbaum" <>,
	"netdev" <>
Subject: Re: [BUG] tg3 cannot do PXE (loses MAC address) after soft reboot

Michael Chan schrieb:
> On Thu, 2007-09-13 at 21:28 +0200, Lucas Nussbaum wrote:
> > Erm, Wouldn't it be possible to print a warning when the driver loads,
> > saying that the firmware is outdated ?
> It's possible, but would require the driver to parse the version string.
> The driver currently reports the version string for information and for
> the human to parse it.

Yes, but most humans don't know all valid firmware versions of their 

Is it enough to parse the first number in the firmware via simple_strtoul()?

Then we could do this (pseudo-kernel-code :-)):

firmare_version = simple_strtoul(version_string, NULL, 0);

if (firmware_version < oldest_supported) {
	printk(KERN_WARNING "Please upgrade the firmware (you have %s, we need at least %d)\n", 
		version_string, oldest_supported);
} else if (firmware_version > newest_supported) {
	printk(KERN_INFO "Firmware version %s (latest supported: %d). You might need a newer driver.\n", 
		version_string, oldest_supported);
} else if (firmware_version != newest_supported) {
	dprintk("Firmware version %s (latest supported: %d). You might consider a firmware upgrade.\n", 
		version_string, oldest_supported);

Maybe that mechanism should be global somewhere? Having this kind of information available
would help system maintenance in heterogenous hardware environments.

Best regards

Ingo Oeser
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