Mailing Lists: Apple Mailing Lists
Image of Mac OS face in stamp
 
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: getHardwareAddress

thanx shaun

Your suggestion did work. I tried the setProperty in enable and the right mac address gets set.
---------[ Received Mail Content ]----------
> Subject : Re: getHardwareAddress
> Date : Mon, 14 May 2007 22:44:32 -0700
> From : Shaun Wexler
> To : "sugumaran Narayanan"
> Cc :
>
>On May 14, 2007, at 9:31 PM, sugumaran Narayanan wrote:
>
>> In my PCCard driver, which I have written based on a PCI driver,
>> calling the attachinterface() calls the gethardwareaddress(). In my
>> device the mac address is brought to a hw register only when a
>> reset occurs and when the hardware interrupts are enabled. so when
>> the gethardwareaddress() gets called, I dont have the right mac
>> address to return. Is there any way to return the right mac addres
>> to the upper layers, later, when the device starts generating
>> interrupts.
>
>You can return kIOReturnNotReady from getHardwareAddress(). If you
>call attachInterface(&interface, false) then the service will be
>initialized but not registered. After you have prepared the
>hardware, call publishProperties() which will get the MAC address,
>and then interface->registerService(); This will delay the
>appearance of your interface to the system until the hardware is
>ready. You can also return 0.0.0.0 if no address is available, and
>then manually set the address property in your enable() function
>using setProperty(kIOMACAddress, (void *)&addr,
>kIOEthernetAddressSize). You can force a refresh of the MAC address
>by calling detachFromDataLinkLayer and then attachToDataLinkLayer on
>the interface.
>--
>Shaun Wexler
>MacFOH
>http://www.macfoh.com
>
>Ethernet \'ethur`net\, n. something used to catch the etherbunny.
>
>
>
>

Love Games? Gamesville is Waiting for You...
Free Online Games, Fat Cash $ Prizes
Plus Bingo, Solitaire, Poker & Much More!
http://www.gamesville.com 
 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Darwin-drivers mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/darwin-drivers/email@hidden

This email sent to email@hidden


Visit the Apple Store online or at retail locations.
1-800-MY-APPLE

Contact Apple | Terms of Use | Privacy Policy

Copyright © 2007 Apple Inc. All rights reserved.