netdev - Re: [PATCH v2 iproute2-next] devlink: Add board.serial

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Message-ID: <20200706063450.GA2251@nanopsycho.orion>
Date:   Mon, 6 Jul 2020 08:34:50 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     Vasundhara Volam <vasundhara-v.volam@...adcom.com>,
        netdev@...r.kernel.org, dsahern@...il.com, davem@...emloft.net,
        jiri@...lanox.com, kuba@...nel.org, michael.chan@...adcom.com
Subject: Re: [PATCH v2 iproute2-next] devlink: Add board.serial_number to
 info subcommand.

Sun, Jul 05, 2020 at 08:03:01PM CEST, stephen@...workplumber.org wrote:
>On Mon, 29 Jun 2020 13:13:04 +0530
>Vasundhara Volam <vasundhara-v.volam@...adcom.com> wrote:
>
>> Add support for reading board serial_number to devlink info
>> subcommand. Example:
>> 
>> $ devlink dev info pci/0000:af:00.0 -jp
>> {
>>     "info": {
>>         "pci/0000:af:00.0": {
>>             "driver": "bnxt_en",
>>             "serial_number": "00-10-18-FF-FE-AD-1A-00",
>>             "board.serial_number": "433551F+172300000",
>>             "versions": {
>>                 "fixed": {
>>                     "board.id": "7339763 Rev 0.",
>>                     "asic.id": "16D7",
>>                     "asic.rev": "1"
>>                 },
>>                 "running": {
>>                     "fw": "216.1.216.0",
>>                     "fw.psid": "0.0.0",
>>                     "fw.mgmt": "216.1.192.0",
>>                     "fw.mgmt.api": "1.10.1",
>>                     "fw.ncsi": "0.0.0.0",
>>                     "fw.roce": "216.1.16.0"
>>                 }
>>             }
>>         }
>>     }
>> }
>
>Although this is valid JSON, many JSON style guides do not allow
>for periods in property names. This is done so libraries can use
>dot notation to reference objects.
>
>Also the encoding of PCI is problematic

Well, besides board.serial_number, this is what we have right now...

>
>