From: Jiri Pirko <jiri@resnulli•us>
To: Ido Schimmel <idosch@nvidia•com>
Cc: netdev@vger•kernel.org, davem@davemloft•net, kuba@kernel•org,
petrm@nvidia•com, pabeni@redhat•com, edumazet@google•com,
mlxsw@nvidia•com, saeedm@nvidia•com, snelson@pensando•io
Subject: Re: [patch net-next v2 05/12] mlxsw: core_linecards: Expose HW revision and INI version
Date: Wed, 20 Jul 2022 16:58:24 +0200 [thread overview]
Message-ID: <YtgYEN2jXIZftqSH@nanopsycho> (raw)
In-Reply-To: <Ytf6ASAXTFItHcT/@shredder>
Wed, Jul 20, 2022 at 02:50:09PM CEST, idosch@nvidia•com wrote:
>On Wed, Jul 20, 2022 at 03:43:17PM +0300, Ido Schimmel wrote:
>> On Wed, Jul 20, 2022 at 02:27:40PM +0200, Jiri Pirko wrote:
>> > Wed, Jul 20, 2022 at 10:56:35AM CEST, idosch@nvidia•com wrote:
>> > >On Tue, Jul 19, 2022 at 08:48:40AM +0200, Jiri Pirko wrote:
>> > >> +int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
>> > >> + struct devlink_info_req *req,
>> > >> + struct netlink_ext_ack *extack)
>> > >> +{
>> > >> + char buf[32];
>> > >> + int err;
>> > >> +
>> > >> + mutex_lock(&linecard->lock);
>> > >> + if (WARN_ON(!linecard->provisioned)) {
>> > >> + err = 0;
>> > >
>> > >Why not:
>> > >
>> > >err = -EINVAL;
>> > >
>> > >?
>> >
>> > Well, a) this should not happen. No need to push error to the user for
>> > this as the rest of the info message is still fine.
>>
>> Not sure what you mean by "the rest of the info message is still fine".
>> Which info message? If the line card is not provisioned, then it
>> shouldn't even have a devlink instance and it will not appear in
>> "devlink dev info" dump.
>
>How about returning '-EOPNOTSUPP'? Looks like devlink will skip it in a
>dump
Okay.
next prev parent reply other threads:[~2022-07-20 14:58 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-19 6:48 [patch net-next v2 00/12] mlxsw: Implement dev info and dev flash for line cards Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 01/12] net: devlink: make sure that devlink_try_get() works with valid pointer during xarray iteration Jiri Pirko
2022-07-19 11:39 ` Ido Schimmel
2022-07-19 11:41 ` Jiri Pirko
2022-07-20 7:45 ` Ido Schimmel
2022-07-20 11:00 ` Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 02/12] net: devlink: introduce nested devlink entity for line card Jiri Pirko
2022-07-20 7:58 ` Ido Schimmel
2022-07-19 6:48 ` [patch net-next v2 03/12] mlxsw: core_linecards: Introduce per line card auxiliary device Jiri Pirko
2022-07-20 8:45 ` Ido Schimmel
2022-07-20 12:17 ` Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 04/12] mlxsw: core_linecard_dev: Set nested devlink relationship for a line card Jiri Pirko
2022-07-20 8:47 ` Ido Schimmel
2022-07-19 6:48 ` [patch net-next v2 05/12] mlxsw: core_linecards: Expose HW revision and INI version Jiri Pirko
2022-07-20 8:56 ` Ido Schimmel
2022-07-20 12:27 ` Jiri Pirko
2022-07-20 12:43 ` Ido Schimmel
2022-07-20 12:50 ` Ido Schimmel
2022-07-20 14:58 ` Jiri Pirko [this message]
2022-07-20 14:59 ` Jiri Pirko
2022-07-20 15:01 ` Ido Schimmel
2022-07-20 15:09 ` Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 06/12] mlxsw: reg: Extend MDDQ by device_info Jiri Pirko
2022-07-20 8:57 ` Ido Schimmel
2022-07-19 6:48 ` [patch net-next v2 07/12] mlxsw: core_linecards: Probe provisioned line cards for devices and expose FW version Jiri Pirko
2022-07-20 9:14 ` Ido Schimmel
2022-07-20 10:51 ` Jiri Pirko
2022-07-20 11:16 ` Ido Schimmel
2022-07-20 12:29 ` Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 08/12] mlxsw: reg: Add Management DownStream Device Tunneling Register Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 09/12] mlxsw: core_linecards: Expose device PSID over device info Jiri Pirko
2022-07-20 10:42 ` Ido Schimmel
2022-07-19 6:48 ` [patch net-next v2 10/12] mlxsw: core_linecards: Implement line card device flashing Jiri Pirko
2022-07-20 10:46 ` Ido Schimmel
2022-07-20 10:53 ` Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 11/12] selftests: mlxsw: Check line card info on provisioned line card Jiri Pirko
2022-07-19 6:48 ` [patch net-next v2 12/12] selftests: mlxsw: Check line card info on activated " Jiri Pirko
2022-07-19 10:30 ` [patch net-next v2 00/12] mlxsw: Implement dev info and dev flash for line cards Ido Schimmel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YtgYEN2jXIZftqSH@nanopsycho \
--to=jiri@resnulli$(echo .)us \
--cc=davem@davemloft$(echo .)net \
--cc=edumazet@google$(echo .)com \
--cc=idosch@nvidia$(echo .)com \
--cc=kuba@kernel$(echo .)org \
--cc=mlxsw@nvidia$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=pabeni@redhat$(echo .)com \
--cc=petrm@nvidia$(echo .)com \
--cc=saeedm@nvidia$(echo .)com \
--cc=snelson@pensando$(echo .)io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox