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


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  • From: Alexander Gall <>
  • To: <>
  • Subject: Re: [rare-dev] Check bf_switchd logical port for TOFINO
  • Date: Fri, 3 Jun 2022 10:13:48 +0200

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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