mlxsw: Add ubridge to config profile

The unified bridge model is enabled via the CONFIG_PROFILE command
during driver initialization. Add the definition of the relevant fields
to the command's payload in preparation for unified bridge enablement.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -633,6 +633,12 @@ MLXSW_ITEM32(cmd_mbox, config_profile,
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, set_ar_sec, 0x0C, 15, 1);
 
+/* cmd_mbox_config_set_ubridge
+ * Capability bit. Setting a bit to 1 configures the profile
+ * according to the mailbox contents.
+ */
+MLXSW_ITEM32(cmd_mbox, config_profile, set_ubridge, 0x0C, 22, 1);
+
 /* cmd_mbox_config_set_kvd_linear_size
  * Capability bit. Setting a bit to 1 configures the profile
  * according to the mailbox contents.
@@ -792,6 +798,13 @@ MLXSW_ITEM32(cmd_mbox, config_profile, adaptive_routing_group_cap, 0x4C, 0, 16);
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, arn, 0x50, 31, 1);
 
+/* cmd_mbox_config_profile_ubridge
+ * Unified Bridge
+ * 0 - non unified bridge
+ * 1 - unified bridge
+ */
+MLXSW_ITEM32(cmd_mbox, config_profile, ubridge, 0x50, 4, 1);
+
 /* cmd_mbox_config_kvd_linear_size
  * KVD Linear Size
  * Valid for Spectrum only

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

@@ -295,6 +295,7 @@ struct mlxsw_config_profile {
 		used_max_pkey:1,
 		used_ar_sec:1,
 		used_adaptive_routing_group_cap:1,
+		used_ubridge:1,
 		used_kvd_sizes:1;
 	u8	max_vepa_channels;
 	u16	max_mid;
@@ -314,6 +315,7 @@ struct mlxsw_config_profile {
 	u8	ar_sec;
 	u16	adaptive_routing_group_cap;
 	u8	arn;
+	u8	ubridge;
 	u32	kvd_linear_size;
 	u8	kvd_hash_single_parts;
 	u8	kvd_hash_double_parts;

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

@@ -1235,6 +1235,11 @@ static int mlxsw_pci_config_profile(struct mlxsw_pci *mlxsw_pci, char *mbox,
 		mlxsw_cmd_mbox_config_profile_adaptive_routing_group_cap_set(
 			mbox, profile->adaptive_routing_group_cap);
 	}
+	if (profile->used_ubridge) {
+		mlxsw_cmd_mbox_config_profile_set_ubridge_set(mbox, 1);
+		mlxsw_cmd_mbox_config_profile_ubridge_set(mbox,
+							  profile->ubridge);
+	}
 	if (profile->used_kvd_sizes && MLXSW_RES_VALID(res, KVD_SIZE)) {
 		err = mlxsw_pci_profile_get_kvd_sizes(mlxsw_pci, profile, res);
 		if (err)