Re: NKE.pdf
Re: NKE.pdf
- Subject: Re: NKE.pdf
- From: Joshua Graessley <email@hidden>
- Date: Mon, 16 Jun 2003 10:47:49 -0700
On Monday, June 16, 2003, at 3:13, Stiphane Sudre wrote:
On jeudi, juin 12, 2003, at 00:05 Europe/Paris, Vincent Lubet wrote:
I should add the NKEMgr is deprecated and should not be used for new
development.
How much deprecated?
The NKEMgr was never loaded by default. It is still being shipped with
the system, but no work has been done on the NKEMgr for years now.
On mercredi, juin 11, 2003, at 22:50 Europe/Paris, Joshua Graessley
wrote:
The PF_NKE protocol has been deprecated. It was actually implemented
in an NKE manager kext. The recommended way of communicating between
user space and a kext is to use a PF_SYSTEM socket with the protocol
"SYSPROTO_CONTROL". See sys/kern_control.h for more inform
Could it be possible to have a clear and official statement on this?
Because I just don't understand what the official recommendation is.
* In NKE.PDF, AFAIK, the tcplogger sample code is making use of PF_NKE
in its userland part. And this is said to be the deprecated part. So
the only available documentation is no more correct.
The NKE.PDF is ancient as is the tcplogger sample code (pre MacOS X
10.0).
* In sys/kern_control.h, the whole API is bracketed by a #ifdef
__APPLE_API_UNSTABLE. And this is the suggested solution. And there is
no documentation on it or sample code.
The only available documentation is, unfortunately, in the header. It
is marked as unstable because all of the kernel APIs are unstable. We
reserve the right to make changes to the kernel to fix bugs and add
features. There is no clear division in the kernel between APIs that
kext developers may use and pieces that are internal implementation
details.
We will be discussing this at WWDC this year. We have plans to
introduce a sustainable API. Check out session 107 - "Kernel
Programming Interfaces for Extensions". These APIs will have more
documentation than the current ones. At that time, the NKE.PDF will
probably be retired.
-josh
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| References: | |
| | >Re: NKE.pdf (From: Stéphane Sudre <email@hidden>) |