NATM hardware available

[Hartmut Brandt]

Robert Watson wrote:
> On Wed, 24 Dec 2008, Bruce Simpson wrote:
>
>> Hartmut Brandt wrote:
>>
>>> In any case there is still an Todo on my side: the routing 
>>> information for NETNATM is currently lost somewhere between L2 and 
>>> L3 :-) I guess I come back to you in the new year to fix this 
>>> issue... Have to fetch my ATM equipment from the corner where it is 
>>> collecting dust to setup a testbed.
>>
>> Guys:
>>
>> Native NATM support would be nice, because it lets FreeBSD be used as 
>> a direct ADSL endpoint without an external ADSL router.
>>
>> I have a pair of ATM25 cards, an ATM25 crossover, and an 
>> ATM25-to-ADSL G.DMT modem bagged up ready to ship to someone who has 
>> the time and motivation to work on NATM.
>>
>> Also: I did have an ATM25 capable switch which I left at ICSI in 
>> Berkeley, I don't know where it is at the moment due to people 
>> movements.
>
> Do we have any of the necessary software parts to do simulated ATM 
> hardware similar to what if_tap does for Ethernet?  Using the VIMAGE 
> stuff and virtual ATM hardware might open up the door to a more 
> accessible development and test environment.  I did the NATM locking 
> work essentially "blind" due to a lack of test environment locally, 
> which seemed to work out, but a software test system would go a long way.

Having at least a virtual interface would be nice. Should be fairly easy 
if only UBR (unspecified bit rate) is supported.

harti