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Re: [rare-dev] Check bf_switchd logical port for TOFINO


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  • From: Frédéric LOUI <>
  • To:
  • Subject: Re: [rare-dev] Check bf_switchd logical port for TOFINO
  • Date: Fri, 3 Jun 2022 11:00:46 +0200
  • Dkim-filter: OpenDKIM Filter v2.10.3 zmtaauth01.partage.renater.fr 737EE14007B

You can try:
- to disable rmmod bf_kpkt
- enable bf_kdrv

-> then cfg again in order to see which port disappeared compared with the
list with bf_kpkt loaded


> Le 3 juin 2022 à 10:13, Alexander Gall <> a écrit :
>
> On Fri, 3 Jun 2022 09:50:49 +0200, Frédéric LOUI <>
> said:
>
>> Hi Alex,
> bf-sde> cfg
>> DVM:: Board configuration:
>> +----+------+-----+---+--------------------------------
>> |dev | port
>> +----+------+-----+---+--------------------------------
>> | 0 | 68
>> | 0 | 128
>> | 0 | 192
>> | 0 | 196
>> +----+------+-----+---+--------------------------------
>
>> You should be able to use the same command for TOIFNO 2 in order to find
>> teh CPU port (and recirculation port)
>
>> I should be curious able the output :)
>
> Hm:
>
> f-sde> cfg
> DVM:: Board configuration:
> +----+------+-----+---+--------------------------------
> |dev | port
> +----+------+-----+---+--------------------------------
> | 0 | 0
> | 0 | 1
> | 0 | 6
> | 0 | 128
> | 0 | 130
> | 0 | 132
> | 0 | 134
> | 0 | 168
> | 0 | 256
> | 0 | 258
> | 0 | 260
> | 0 | 262
> | 0 | 384
> | 0 | 386
> | 0 | 388
> | 0 | 390
>
> Relative ports per pipe:
>
> Pipe0: 0,1,6
> Pipe1: 0,2,4,6,40
> Pipe2: 0,2,4,6
> Pipe3: 0,2,4,6
>
> I can't really identify them. My guess would be that 168 is the CPU
> PCIe port. Somehow I remember that there is a specific command to
> display just the CPU port, but I just can't find it any more.
>
> --
> Alex




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