mlxsw: spectrum: Extend to support Spectrum-3 ASIC

Extend existing driver for Spectrum and Spectrum-2 ASICs
to support Spectrum-3 ASIC as well.

Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Petr Machata <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

drivers/net/ethernet/mellanox/mlxsw/Kconfig

@@ -71,7 +71,7 @@ config MLXSW_SWITCHX2
 	  module will be called mlxsw_switchx2.
 
 config MLXSW_SPECTRUM
-	tristate "Mellanox Technologies Spectrum support"
+	tristate "Mellanox Technologies Spectrum family support"
 	depends on MLXSW_CORE && MLXSW_PCI && NET_SWITCHDEV && VLAN_8021Q
 	depends on PSAMPLE || PSAMPLE=n
 	depends on BRIDGE || BRIDGE=n
@@ -87,8 +87,8 @@ config MLXSW_SPECTRUM
 	select NET_PTP_CLASSIFY if PTP_1588_CLOCK
 	default m
 	---help---
-	  This driver supports Mellanox Technologies Spectrum Ethernet
-	  Switch ASICs.
+	  This driver supports Mellanox Technologies
+	  Spectrum/Spectrum-2/Spectrum-3 Ethernet Switch ASICs.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called mlxsw_spectrum.

drivers/net/ethernet/mellanox/mlxsw/pci.h

@@ -9,6 +9,7 @@
 #define PCI_DEVICE_ID_MELLANOX_SWITCHX2		0xc738
 #define PCI_DEVICE_ID_MELLANOX_SPECTRUM		0xcb84
 #define PCI_DEVICE_ID_MELLANOX_SPECTRUM2	0xcf6c
+#define PCI_DEVICE_ID_MELLANOX_SPECTRUM3	0xcf70
 #define PCI_DEVICE_ID_MELLANOX_SWITCHIB		0xcb20
 #define PCI_DEVICE_ID_MELLANOX_SWITCHIB2	0xcf08
 

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

@@ -65,6 +65,7 @@ static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = {
 
 static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum";
 static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2";
+static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3";
 static const char mlxsw_sp_driver_version[] = "1.0";
 
 static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = {
@@ -5290,6 +5291,35 @@ static struct mlxsw_driver mlxsw_sp2_driver = {
 	.res_query_enabled		= true,
 };
 
+static struct mlxsw_driver mlxsw_sp3_driver = {
+	.kind				= mlxsw_sp3_driver_name,
+	.priv_size			= sizeof(struct mlxsw_sp),
+	.init				= mlxsw_sp2_init,
+	.fini				= mlxsw_sp_fini,
+	.basic_trap_groups_set		= mlxsw_sp_basic_trap_groups_set,
+	.port_split			= mlxsw_sp_port_split,
+	.port_unsplit			= mlxsw_sp_port_unsplit,
+	.sb_pool_get			= mlxsw_sp_sb_pool_get,
+	.sb_pool_set			= mlxsw_sp_sb_pool_set,
+	.sb_port_pool_get		= mlxsw_sp_sb_port_pool_get,
+	.sb_port_pool_set		= mlxsw_sp_sb_port_pool_set,
+	.sb_tc_pool_bind_get		= mlxsw_sp_sb_tc_pool_bind_get,
+	.sb_tc_pool_bind_set		= mlxsw_sp_sb_tc_pool_bind_set,
+	.sb_occ_snapshot		= mlxsw_sp_sb_occ_snapshot,
+	.sb_occ_max_clear		= mlxsw_sp_sb_occ_max_clear,
+	.sb_occ_port_pool_get		= mlxsw_sp_sb_occ_port_pool_get,
+	.sb_occ_tc_port_bind_get	= mlxsw_sp_sb_occ_tc_port_bind_get,
+	.flash_update			= mlxsw_sp_flash_update,
+	.txhdr_construct		= mlxsw_sp_txhdr_construct,
+	.resources_register		= mlxsw_sp2_resources_register,
+	.params_register		= mlxsw_sp2_params_register,
+	.params_unregister		= mlxsw_sp2_params_unregister,
+	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
+	.txhdr_len			= MLXSW_TXHDR_LEN,
+	.profile			= &mlxsw_sp2_config_profile,
+	.res_query_enabled		= true,
+};
+
 bool mlxsw_sp_port_dev_check(const struct net_device *dev)
 {
 	return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
@@ -6324,6 +6354,16 @@ static struct pci_driver mlxsw_sp2_pci_driver = {
 	.id_table = mlxsw_sp2_pci_id_table,
 };
 
+static const struct pci_device_id mlxsw_sp3_pci_id_table[] = {
+	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0},
+	{0, },
+};
+
+static struct pci_driver mlxsw_sp3_pci_driver = {
+	.name = mlxsw_sp3_driver_name,
+	.id_table = mlxsw_sp3_pci_id_table,
+};
+
 static int __init mlxsw_sp_module_init(void)
 {
 	int err;
@@ -6339,6 +6379,10 @@ static int __init mlxsw_sp_module_init(void)
 	if (err)
 		goto err_sp2_core_driver_register;
 
+	err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
+	if (err)
+		goto err_sp3_core_driver_register;
+
 	err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
 	if (err)
 		goto err_sp1_pci_driver_register;
@@ -6347,11 +6391,19 @@ static int __init mlxsw_sp_module_init(void)
 	if (err)
 		goto err_sp2_pci_driver_register;
 
+	err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
+	if (err)
+		goto err_sp3_pci_driver_register;
+
 	return 0;
 
+err_sp3_pci_driver_register:
+	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
 err_sp2_pci_driver_register:
 	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
 err_sp1_pci_driver_register:
+	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
+err_sp3_core_driver_register:
 	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
 err_sp2_core_driver_register:
 	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
@@ -6363,8 +6415,10 @@ static int __init mlxsw_sp_module_init(void)
 
 static void __exit mlxsw_sp_module_exit(void)
 {
+	mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
 	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
 	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
+	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
 	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
 	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
 	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
@@ -6379,4 +6433,5 @@ MODULE_AUTHOR("Jiri Pirko <[email protected]>");
 MODULE_DESCRIPTION("Mellanox Spectrum driver");
 MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
 MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
+MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
 MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);