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Re: NKE Manager
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Re: NKE Manager

On 10/15/02 3:48 PM, "Michael Cashwell" <email@hidden> wrote:

> On Friday, October 11, 2002, at 06:32 PM, Joshua Graessley wrote:
>
>> In Mac OS X 10.2, the header sys/kern_control.h defines the
>> AF_SYS_CONTROL protocol of PF_SYSTEM. This can be used to communicate
>> with and control kernel extensions. It has some limitations.
>> sys/kern_control.h has some documentation that should help you get
>> started. Unlike the NKE manager (PF_NKE), there is no sample code.
>
> Thanks Josh (and Justin), this has been helpful.
>
> Because my NKE needs the ability to distinguish multiple channels (for
> the lack of a better term) I've decided to go with PF_SYSTEM as Josh
> described. It supports the concept of a unit number (per NKE signature)
> and that's just what I need.
>
> The header sys/kern_control.h is pretty complete as to the use of the
> API but I have one question. When userland code writes data to the NKE
> and its ctl_write() function is called is the NKE responsible for
> freeing the mbuf? My hunch is yes since it's consuming the buffer (ie:
> not passing it on to anything else) but I wanted to confirm.

This is your responsibility to free the mbuf when you are done with it.

Christophe.
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References: 
 >Re: NKE Manager (From: Michael Cashwell <email@hidden>)



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