mlxsw: pci: Add max span resources to resources query

Add max span resources to resources query.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -268,6 +268,8 @@ struct mlxsw_driver {
 };
 
 struct mlxsw_resources {
+	u8	max_span_valid:1;
+	u8      max_span;
 };
 
 struct mlxsw_resources *mlxsw_core_resources_get(struct mlxsw_core *mlxsw_core);

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

@@ -1155,6 +1155,7 @@ mlxsw_pci_config_profile_swid_config(struct mlxsw_pci *mlxsw_pci,
 }
 
 #define MLXSW_RESOURCES_TABLE_END_ID 0xffff
+#define MLXSW_MAX_SPAN_ID 0x2420
 #define MLXSW_RESOURCES_QUERY_MAX_QUERIES 100
 #define MLXSW_RESOURCES_PER_QUERY 32
 
@@ -1162,6 +1163,10 @@ static void mlxsw_pci_resources_query_parse(int id, u64 val,
 					    struct mlxsw_resources *resources)
 {
 	switch (id) {
+	case MLXSW_MAX_SPAN_ID:
+		resources->max_span = val;
+		resources->max_span_valid = 1;
+		break;
 	default:
 		break;
 	}