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mlxsw: core_linecards: Expose HW revision and INI version

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Implement info_get() to expose HW revision of a linecard and loaded INI
version.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2022-04-25 06:44:27 +03:00 committed by David S. Miller
parent 5e22298918
commit 3b37130f48
2 changed files with 49 additions and 0 deletions
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18
Documentation/networking/devlink/mlxsw.rst
View file

@ -58,6 +58,24 @@ The ``mlxsw`` driver reports the following versions
- running
- Three digit firmware version
Line card info versions
=======================
The ``mlxsw`` driver reports the following versions for line cards
.. list-table:: devlink line card info versions implemented
:widths: 5 5 90
* - Name
- Type
- Description
* - ``hw.revision``
- fixed
- The hardware revision for this line card
* - ``ini.version``
- running
- Version of line card INI loaded
Driver-specific Traps
=====================

31
drivers/net/ethernet/mellanox/mlxsw/core_linecards.c
View file

@ -834,12 +834,43 @@ static void mlxsw_linecard_types_get(struct devlink_linecard *devlink_linecard,
*type_priv = ini_file;
}
static int
mlxsw_linecard_info_get(struct devlink_linecard *devlink_linecard, void *priv,
struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
struct mlxsw_linecard *linecard = priv;
char buf[32];
int err;
mutex_lock(&linecard->lock);
if (!linecard->provisioned) {
err = 0;
goto unlock;
}
sprintf(buf, "%d", linecard->hw_revision);
err = devlink_info_version_fixed_put(req, "hw.revision", buf);
if (err)
goto unlock;
sprintf(buf, "%d", linecard->ini_version);
err = devlink_info_version_running_put(req, "ini.version", buf);
if (err)
goto unlock;
unlock:
mutex_unlock(&linecard->lock);
return err;
}
static const struct devlink_linecard_ops mlxsw_linecard_ops = {
.provision = mlxsw_linecard_provision,
.unprovision = mlxsw_linecard_unprovision,
.same_provision = mlxsw_linecard_same_provision,
.types_count = mlxsw_linecard_types_count,
.types_get = mlxsw_linecard_types_get,
.info_get = mlxsw_linecard_info_get,
};
struct mlxsw_linecard_status_event {