[aclorch]: Add match TC support for ACL rule (#302)

Sample ACL JSON input:
{
  "ACL_RULE_TABLE:ACL_Testbed_Test_Table:Tc_test": {
    "priority" : "50",
    "tc" : "3",
    "packet_action" : "drop"
  },
  "OP": "SET"
}

orchagent/aclorch.cpp

@@ -36,6 +36,7 @@ acl_rule_attr_lookup_t aclMatchLookup =
     { MATCH_TCP_FLAGS,         SAI_ACL_ENTRY_ATTR_FIELD_TCP_FLAGS },
     { MATCH_IP_TYPE,           SAI_ACL_ENTRY_ATTR_FIELD_ACL_IP_TYPE },
     { MATCH_DSCP,              SAI_ACL_ENTRY_ATTR_FIELD_DSCP },
+    { MATCH_TC,                SAI_ACL_ENTRY_ATTR_FIELD_TC },
     { MATCH_L4_SRC_PORT_RANGE, (sai_acl_entry_attr_t)SAI_ACL_RANGE_TYPE_L4_SRC_PORT_RANGE },
     { MATCH_L4_DST_PORT_RANGE, (sai_acl_entry_attr_t)SAI_ACL_RANGE_TYPE_L4_DST_PORT_RANGE },
 };
@@ -226,6 +227,12 @@ bool AclRule::validateAddMatch(string attr_name, string attr_value)
                 return false;
             }
         }
+        else if(attr_name == MATCH_TC)
+        {
+            value.aclfield.data.u8 = to_uint<uint8_t>(attr_value);
+            value.aclfield.mask.u8 = 0xFF;
+        }
+
     }
     catch (exception &e)
     {
@@ -1441,6 +1448,10 @@ sai_status_t AclOrch::createBindAclTable(AclTable &aclTable, sai_object_id_t &ta
     attr.value.booldata = true;
     table_attrs.push_back(attr);
 
+    attr.id = SAI_ACL_TABLE_ATTR_FIELD_TC;
+    attr.value.booldata = true;
+    table_attrs.push_back(attr);
+
     if (aclTable.type == ACL_TABLE_MIRROR)
     {
         attr.id = SAI_ACL_TABLE_ATTR_FIELD_DSCP;

orchagent/aclorch.h

@@ -37,6 +37,7 @@
 #define MATCH_DSCP              "DSCP"
 #define MATCH_L4_SRC_PORT_RANGE "L4_SRC_PORT_RANGE"
 #define MATCH_L4_DST_PORT_RANGE "L4_DST_PORT_RANGE"
+#define MATCH_TC                "TC"
 
 #define ACTION_PACKET_ACTION    "PACKET_ACTION"
 #define ACTION_MIRROR_ACTION    "MIRROR_ACTION"