[patch] RFC: allow divert from layer 2 ipfw (e.g. bridge)

[Julian Elischer]

Christian S.J. Peron wrote:

> Max Laier wrote:
>
>> On Wednesday 26 July 2006 20:35, Julian Elischer wrote:
>>  
>>
>>> This code is running on quite a few systems but in a very limited
>>> environment that may not test all possibilities..
>>>
>>> Does anyone have comments or suggestions as to changes that I might 
>>> make
>>> for checkin into generic FreeBSD? It was originally written for 4.x but
>>> with 6.x in mind.
>>> It is now running on 6.1 and seems to be ok so far.
>>>
>>> Certainly I am interested in hearing from Robert and Luigi and I am
>>> particularly interested in
>>> what people think on how this will handle locking/SMP difficulies.
>>>     
>>
>>
>> Instead of putting more special processing to every L2-entry point in 
>> the system, I'd prefer if we could finally get round to L2 pfil 
>> hooks.  That would make it much easier to add such functionality in a 
>> common hook function and use it everywhere.
>>
>>   
>
> I agree with Max here, I think it's time we look at getting together 
> pfil hooks for layer 2. I would be interested in doing the leg work 
> here if you guys are willing to review it.
>
The divert code changes are sort-of irrelevant to this discussion.
it adds an ISR to handle divert input from L2.