[PATCH net-next 12/12] mlxsw: core: Add support for OSFP transceiver modules

Ido Schimmel
2022-02-22T17:18:56Z

From: Danielle Ratson <danieller@nvidia.com>

The driver can already dump the EEPROM contents of QSFP-DD transceiver
modules via its ethtool_ops::get_module_info() and
ethtool_ops::get_module_eeprom() callbacks.

Add support for OSFP transceiver modules by adding their SFF-8024
Identifier Value (0x19).

This is required for future NVIDIA Spectrum-4 based systems that will be
equipped with OSFP transceivers.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
drivers/net/ethernet/mellanox/mlxsw/core_env.c | 2 ++
drivers/net/ethernet/mellanox/mlxsw/reg.h | 1 +
2 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
index 70e283d22783..29a74b8bd5b5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
@@ -87,6 +87,7 @@ mlxsw_env_validate_cable_ident(struct mlxsw_core *core, int id, bool *qsfp,
*qsfp = true;
break;
case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_DD:
+ case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_OSFP:
*qsfp = true;
*cmis = true;
break;
@@ -303,6 +304,7 @@ int mlxsw_env_get_module_info(struct net_device *netdev,
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN / 2;
break;
case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_DD:
+ case MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_OSFP:
/* Use SFF_8636 as base type. ethtool should recognize specific
* type through the identifier value.
*/
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 1f0ddb8458a0..dce21daaf330 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -10037,6 +10037,7 @@ enum mlxsw_reg_mcia_eeprom_module_info_id {
MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_PLUS = 0x0D,
MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP28 = 0x11,
MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_QSFP_DD = 0x18,
+ MLXSW_REG_MCIA_EEPROM_MODULE_INFO_ID_OSFP = 0x19,
};

enum mlxsw_reg_mcia_eeprom_module_info {
--
2.33.1