diff options
| -rw-r--r-- | Documentation/networking/devlink/mlxsw.rst | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.h | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core_linecards.c | 57 |
3 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/mlxsw.rst b/Documentation/networking/devlink/mlxsw.rst index aededcf68df4..65ceed98f94d 100644 --- a/Documentation/networking/devlink/mlxsw.rst +++ b/Documentation/networking/devlink/mlxsw.rst @@ -75,6 +75,9 @@ The ``mlxsw`` driver reports the following versions for line card auxiliary devi * - ``ini.version`` - running - Version of line card INI loaded + * - ``fw.version`` + - running + - Three digit firmware version of line card device Driver-specific Traps ===================== diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index f833b4d248e6..e4c6f8a6e016 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -566,6 +566,12 @@ enum mlxsw_linecard_status_event_type { struct mlxsw_linecard_bdev; +struct mlxsw_linecard_device_info { + u16 fw_major; + u16 fw_minor; + u16 fw_sub_minor; +}; + struct mlxsw_linecard { u8 slot_index; struct mlxsw_linecards *linecards; @@ -581,6 +587,9 @@ struct mlxsw_linecard { u16 hw_revision; u16 ini_version; struct mlxsw_linecard_bdev *bdev; + struct { + struct mlxsw_linecard_device_info info; + } device; }; struct mlxsw_linecard_types_info; diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c index ee986dd2c486..a9568d72ba1b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c @@ -87,6 +87,47 @@ static const char *mlxsw_linecard_type_name(struct mlxsw_linecard *linecard) return linecard->name; } +static int mlxsw_linecard_device_info_update(struct mlxsw_linecard *linecard) +{ + struct mlxsw_core *mlxsw_core = linecard->linecards->mlxsw_core; + bool flashable_found = false; + u8 msg_seq = 0; + + do { + struct mlxsw_linecard_device_info info; + char mddq_pl[MLXSW_REG_MDDQ_LEN]; + bool flash_owner; + bool data_valid; + u8 device_index; + int err; + + mlxsw_reg_mddq_device_info_pack(mddq_pl, linecard->slot_index, + msg_seq); + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(mddq), mddq_pl); + if (err) + return err; + mlxsw_reg_mddq_device_info_unpack(mddq_pl, &msg_seq, + &data_valid, &flash_owner, + &device_index, + &info.fw_major, + &info.fw_minor, + &info.fw_sub_minor); + if (!data_valid) + break; + if (!flash_owner) /* We care only about flashable ones. */ + continue; + if (flashable_found) { + dev_warn_once(linecard->linecards->bus_info->dev, "linecard %u: More flashable devices present, exposing only the first one\n", + linecard->slot_index); + return 0; + } + linecard->device.info = info; + flashable_found = true; + } while (msg_seq); + + return 0; +} + static void mlxsw_linecard_provision_fail(struct mlxsw_linecard *linecard) { linecard->provisioned = false; @@ -249,6 +290,18 @@ int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, if (err) goto unlock; + if (linecard->active) { + struct mlxsw_linecard_device_info *info = &linecard->device.info; + + sprintf(buf, "%u.%u.%u", info->fw_major, info->fw_minor, + info->fw_sub_minor); + err = devlink_info_version_running_put(req, + DEVLINK_INFO_VERSION_GENERIC_FW, + buf); + if (err) + goto unlock; + } + unlock: mutex_unlock(&linecard->lock); return err; @@ -308,6 +361,10 @@ static int mlxsw_linecard_ready_set(struct mlxsw_linecard *linecard) char mddc_pl[MLXSW_REG_MDDC_LEN]; int err; + err = mlxsw_linecard_device_info_update(linecard); + if (err) + return err; + mlxsw_reg_mddc_pack(mddc_pl, linecard->slot_index, false, true); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(mddc), mddc_pl); if (err) |