Re: [PATCH] IB/mlx5: give back valid speed/width even without plugged in SFP module

[Ghazale Hosseinabadi]

Hi,

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From: hal@xxxxxxxxxxxxxxxxxx
To: parav@xxxxxxxxxxxx, tbogendoerfer@xxxxxxx, matanb@xxxxxxxxxxxx, leonro@xxxxxxxxxxxx, dledford@xxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Cc: ghazale.hosseinabadi@xxxxxxxxxx
Sent: Friday, October 27, 2017 1:18:50 PM GMT -08:00 US/Canada Pacific
Subject: Re: [PATCH] IB/mlx5: give back valid speed/width even without plugged in SFP module

On 10/27/2017 2:32 PM, Parav Pandit wrote:
> However I believe that ibstat tool should be enhanced to report unknown port speed instead of expecting drivers to supply some random number like this.

ibstat gets the rate from libibumad via /sys/class/infiniband/<IB device>/ports/<port number>/rate file which is supposed to be populated by the driver. Is there no rate file in this error case ?

There is a rate file, but it is empty.

Thanks,
Ghazale

-- Hal