Rare project developers

[Alexander Gall <>]

On Thu, 2 Jun 2022 12:57:58 +0200, mc36 <> said:

> hi,
> On 6/2/22 12:16, Alexander Gall wrote:
>> On Thu, 2 Jun 2022 12:07:52 +0200, mc36 <> said:
>> 
>>> hi,
>>> taking a closer look on what's going on, i just realized that this 
>>> pre_emit stuff is basically just before the very core tocpu check:
>>> https://github.com/rare-freertr/freeRtr/blob/7a417d4537db9cbae8fdcb9f618ef008f62f3913/misc/p4bf/include/ig_ctl.p4#L187
>>> so for now, i strongly believe that we can get rid of all the ternary 
>>> matches here if we split the table... the cpuhdr
>>> insertion could go directly to the inner part of the if, and the rest 
>>> could go to the else part... for the bridging ternary,
>>> i can easily list all the possible values for the sap_en/de_cap so this 
>>> table could easily become an all-exact.... let's see.... :)
>> 
>> Ok, great. 
> unfortunately not, it broke multicast at all...
> well yeahh, so the cpu header is not needed in that case...
> but nevermind, i'll find out something.... one of the two
> ternary will go away...

>> In the meantime I found that 9.7.2 fixes the compiler bug
>> in 9.7.1 that shows up with the BNG profile. I'll move RARE to 9.7.2
>> and tigether with your changes we should have a complete RARE on
>> Tofino2 :)
>> 
>> BTW, I think we now need an additional optimizer run for Tofino2.
>> 
> indeed....

> but before doing so, lemme ask the aps guys if they progressed porting the 
> 2556 bsp to sde990...
> if that's the case, we could completely move to sde990?

Yes. I hope they do it by publishing the BSP source as they did before
and not some kind of binary distribution which would complicate things
for me.

-- 
Alex