Commit 3b37130f authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

mlxsw: core_linecards: Expose HW revision and INI version 



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

Signed-off-by: default avatarJiri Pirko <jiri@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5e222989

Documentation/networking/devlink/mlxsw.rst

+18 −0
Original line number Diff line number Diff line
@@ -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

=====================

drivers/net/ethernet/mellanox/mlxsw/core_linecards.c

+31 −0
Original line number Diff line number Diff line
@@ -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 {