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Re: Does Tiger not implement mBufs?

Subject: Re: Does Tiger not implement mBufs?
From: Shawn Erickson <email@hidden>
Date: Thu, 5 May 2005 10:48:27 -0700
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On May 5, 2005, at 10:32 AM, harland harrison wrote:

Our USB Ethernet shim is not working with the released version of Tiger. The shim uses mBufs successfully on 10.3.

Has there been some change or work around required to get memory for a kext in 10.4 ?

Yes things have changed in Tiger (10.4). Apple introduced KPIs (kernel programming interfaces) to standardize things in the kernel to help insure binary compatibility going forward (affects several areas outside of IOKit). KPIs have been discussed on this and other lists as well as at WWDC 2004 (hinted at during WWDC 2003 I believe).

[always a good idea to test against seed releases, Tiger has been available in this regard since WWDC 2004]

Review current documentation in particular things that talk about KPIs. <http://developer.apple.com/documentation/Darwin/Conceptual/ NKEConceptual/index.html>

In this case review kpi_mbuf <http://developer.apple.com/documentation/Darwin/Reference/ KPI_Reference/kpi_mbuf/index.html>

-Shawn

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References:
	>Does Tiger not implement mBufs? (From: harland harrison <email@hidden>)

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