mlxsw: Add enumerator for 'config_profile.flood_mode'

Currently magic constant is used for setting 'flood_mode' as part of
config profile.

As preparation for unified bridge model, which will require different
'flood_mode', add a dedicated enumerator for this field and use it as
part of 'struct mlxsw_config_profile'.

Add the relevant value for unified bridge model.
Signed-off-by: Amit Cohen <amcohen@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

@@ -713,14 +713,23 @@ MLXSW_ITEM32(cmd_mbox, config_profile, max_flood_tables, 0x30, 16, 4);
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, max_vid_flood_tables, 0x30, 8, 4);
 
+enum mlxsw_cmd_mbox_config_profile_flood_mode {
+	/* Mixed mode, where:
+	 * max_flood_tables indicates the number of single-entry tables.
+	 * max_vid_flood_tables indicates the number of per-VID tables.
+	 * max_fid_offset_flood_tables indicates the number of FID-offset
+	 * tables. max_fid_flood_tables indicates the number of per-FID tables.
+	 * Reserved when unified bridge model is used.
+	 */
+	MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_MIXED = 3,
+	/* Controlled flood tables. Reserved when legacy bridge model is
+	 * used.
+	 */
+	MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED = 4,
+};
+
 /* cmd_mbox_config_profile_flood_mode
  * Flooding mode to use.
- * 0-2 - Backward compatible modes for SwitchX devices.
- * 3 - Mixed mode, where:
- * max_flood_tables indicates the number of single-entry tables.
- * max_vid_flood_tables indicates the number of per-VID tables.
- * max_fid_offset_flood_tables indicates the number of FID-offset tables.
- * max_fid_flood_tables indicates the number of per-FID tables.
  */
 MLXSW_ITEM32(cmd_mbox, config_profile, flood_mode, 0x30, 0, 2);
 

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

@@ -3376,7 +3376,7 @@ static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
 	.max_mid			= MLXSW_SP_MID_MAX,
 	.used_flood_tables		= 1,
 	.used_flood_mode		= 1,
-	.flood_mode			= 3,
+	.flood_mode			= MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_MIXED,
 	.max_fid_flood_tables		= 3,
 	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
 	.used_max_ib_mc			= 1,
@@ -3400,7 +3400,7 @@ static const struct mlxsw_config_profile mlxsw_sp2_config_profile = {
 	.max_mid			= MLXSW_SP_MID_MAX,
 	.used_flood_tables		= 1,
 	.used_flood_mode		= 1,
-	.flood_mode			= 3,
+	.flood_mode			= MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_MIXED,
 	.max_fid_flood_tables		= 3,
 	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
 	.used_max_ib_mc			= 1,