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| author |   Jiri Pirko <jiri@nvidia.com> | 2022-04-25 06:44:27 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-04-25 10:42:28 +0100 |
| commit | 3b37130f48555f64be626e619e362e708c2cbd79 (patch) | |
| tree | 2ea70ad4d82163d62a189cc2e690555d8cb1e52f | |
| parent | selftests: mlxsw: Check devices on provisioned line card (diff) | |
| download | linux-dev-3b37130f48555f64be626e619e362e708c2cbd79.tar.xz linux-dev-3b37130f48555f64be626e619e362e708c2cbd79.zip | |
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: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | Documentation/networking/devlink/mlxsw.rst | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core_linecards.c | 31 |
2 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/mlxsw.rst b/Documentation/networking/devlink/mlxsw.rst index cf857cb4ba8f..da1fbb265a11 100644 --- a/Documentation/networking/devlink/mlxsw.rst +++ b/Documentation/networking/devlink/mlxsw.rst @@ -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 ===================== diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c index 9dd8a56add4a..b5f5b31bd31e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c @@ -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 { |