diff --git a/src/python/loxi/of10/const.py b/src/python/loxi/of10/const.py
new file mode 100644
index 0000000..e269071
--- /dev/null
+++ b/src/python/loxi/of10/const.py
@@ -0,0 +1,476 @@
+#
+# Copyright 2012, 2013, Big Switch Networks, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# Automatically generated by LOXI from template const.py
+# Do not modify
+
+OFP_VERSION = 1
+
+# Identifiers from group macro_definitions
+OFP_FLOW_PERMANENT = 0
+OFP_ETH_ALEN = 6
+OFP_MAX_PORT_NAME_LEN = 16
+OFP_MAX_TABLE_NAME_LEN = 32
+SERIAL_NUM_LEN = 32
+OFPFW_ICMP_TYPE = (1 << 6)
+OFPFW_ICMP_CODE = (1 << 7)
+OFP_DEFAULT_MISS_SEND_LEN = 128
+DESC_STR_LEN = 256
+OFP_DL_TYPE_NOT_ETH_TYPE = 0x05ff
+OFP_DL_TYPE_ETH2_CUTOFF = 0x0600
+OFP_TCP_PORT = 6633
+OFP_SSL_PORT = 6633
+OFP_DEFAULT_PRIORITY = 0x8000
+OFPQ_MIN_RATE_UNCFG = 0xffff
+OFP_VLAN_NONE = 0xffff
+OFPQ_ALL = 0xffffffff
+
+# Identifiers from group ofp_action_type
+OFPAT_OUTPUT = 0
+OFPAT_SET_VLAN_VID = 1
+OFPAT_SET_VLAN_PCP = 2
+OFPAT_STRIP_VLAN = 3
+OFPAT_SET_DL_SRC = 4
+OFPAT_SET_DL_DST = 5
+OFPAT_SET_NW_SRC = 6
+OFPAT_SET_NW_DST = 7
+OFPAT_SET_NW_TOS = 8
+OFPAT_SET_TP_SRC = 9
+OFPAT_SET_TP_DST = 10
+OFPAT_ENQUEUE = 11
+OFPAT_VENDOR = 0xffff
+
+ofp_action_type_map = {
+    0: 'OFPAT_OUTPUT',
+    1: 'OFPAT_SET_VLAN_VID',
+    2: 'OFPAT_SET_VLAN_PCP',
+    3: 'OFPAT_STRIP_VLAN',
+    4: 'OFPAT_SET_DL_SRC',
+    5: 'OFPAT_SET_DL_DST',
+    6: 'OFPAT_SET_NW_SRC',
+    7: 'OFPAT_SET_NW_DST',
+    8: 'OFPAT_SET_NW_TOS',
+    9: 'OFPAT_SET_TP_SRC',
+    10: 'OFPAT_SET_TP_DST',
+    11: 'OFPAT_ENQUEUE',
+    0xffff: 'OFPAT_VENDOR',
+}
+
+# Identifiers from group ofp_bad_action_code
+OFPBAC_BAD_TYPE = 0
+OFPBAC_BAD_LEN = 1
+OFPBAC_BAD_VENDOR = 2
+OFPBAC_BAD_VENDOR_TYPE = 3
+OFPBAC_BAD_OUT_PORT = 4
+OFPBAC_BAD_ARGUMENT = 5
+OFPBAC_EPERM = 6
+OFPBAC_TOO_MANY = 7
+OFPBAC_BAD_QUEUE = 8
+
+ofp_bad_action_code_map = {
+    0: 'OFPBAC_BAD_TYPE',
+    1: 'OFPBAC_BAD_LEN',
+    2: 'OFPBAC_BAD_VENDOR',
+    3: 'OFPBAC_BAD_VENDOR_TYPE',
+    4: 'OFPBAC_BAD_OUT_PORT',
+    5: 'OFPBAC_BAD_ARGUMENT',
+    6: 'OFPBAC_EPERM',
+    7: 'OFPBAC_TOO_MANY',
+    8: 'OFPBAC_BAD_QUEUE',
+}
+
+# Identifiers from group ofp_bad_request_code
+OFPBRC_BAD_VERSION = 0
+OFPBRC_BAD_TYPE = 1
+OFPBRC_BAD_STAT = 2
+OFPBRC_BAD_VENDOR = 3
+OFPBRC_BAD_SUBTYPE = 4
+OFPBRC_EPERM = 5
+OFPBRC_BAD_LEN = 6
+OFPBRC_BUFFER_EMPTY = 7
+OFPBRC_BUFFER_UNKNOWN = 8
+
+ofp_bad_request_code_map = {
+    0: 'OFPBRC_BAD_VERSION',
+    1: 'OFPBRC_BAD_TYPE',
+    2: 'OFPBRC_BAD_STAT',
+    3: 'OFPBRC_BAD_VENDOR',
+    4: 'OFPBRC_BAD_SUBTYPE',
+    5: 'OFPBRC_EPERM',
+    6: 'OFPBRC_BAD_LEN',
+    7: 'OFPBRC_BUFFER_EMPTY',
+    8: 'OFPBRC_BUFFER_UNKNOWN',
+}
+
+# Identifiers from group ofp_capabilities
+OFPC_FLOW_STATS = 1 << 0
+OFPC_TABLE_STATS = 1 << 1
+OFPC_PORT_STATS = 1 << 2
+OFPC_STP = 1 << 3
+OFPC_RESERVED = 1 << 4
+OFPC_IP_REASM = 1 << 5
+OFPC_QUEUE_STATS = 1 << 6
+OFPC_ARP_MATCH_IP = 1 << 7
+
+ofp_capabilities_map = {
+    1 << 0: 'OFPC_FLOW_STATS',
+    1 << 1: 'OFPC_TABLE_STATS',
+    1 << 2: 'OFPC_PORT_STATS',
+    1 << 3: 'OFPC_STP',
+    1 << 4: 'OFPC_RESERVED',
+    1 << 5: 'OFPC_IP_REASM',
+    1 << 6: 'OFPC_QUEUE_STATS',
+    1 << 7: 'OFPC_ARP_MATCH_IP',
+}
+
+# Identifiers from group ofp_config_flags
+OFPC_FRAG_NORMAL = 0
+OFPC_FRAG_DROP = 1
+OFPC_FRAG_REASM = 2
+OFPC_FRAG_MASK = 3
+
+ofp_config_flags_map = {
+    0: 'OFPC_FRAG_NORMAL',
+    1: 'OFPC_FRAG_DROP',
+    2: 'OFPC_FRAG_REASM',
+    3: 'OFPC_FRAG_MASK',
+}
+
+# Identifiers from group ofp_error_type
+OFPET_HELLO_FAILED = 0
+OFPET_BAD_REQUEST = 1
+OFPET_BAD_ACTION = 2
+OFPET_FLOW_MOD_FAILED = 3
+OFPET_PORT_MOD_FAILED = 4
+OFPET_QUEUE_OP_FAILED = 5
+
+ofp_error_type_map = {
+    0: 'OFPET_HELLO_FAILED',
+    1: 'OFPET_BAD_REQUEST',
+    2: 'OFPET_BAD_ACTION',
+    3: 'OFPET_FLOW_MOD_FAILED',
+    4: 'OFPET_PORT_MOD_FAILED',
+    5: 'OFPET_QUEUE_OP_FAILED',
+}
+
+# Identifiers from group ofp_flow_mod_command
+OFPFC_ADD = 0
+OFPFC_MODIFY = 1
+OFPFC_MODIFY_STRICT = 2
+OFPFC_DELETE = 3
+OFPFC_DELETE_STRICT = 4
+
+ofp_flow_mod_command_map = {
+    0: 'OFPFC_ADD',
+    1: 'OFPFC_MODIFY',
+    2: 'OFPFC_MODIFY_STRICT',
+    3: 'OFPFC_DELETE',
+    4: 'OFPFC_DELETE_STRICT',
+}
+
+# Identifiers from group ofp_flow_mod_failed_code
+OFPFMFC_ALL_TABLES_FULL = 0
+OFPFMFC_OVERLAP = 1
+OFPFMFC_EPERM = 2
+OFPFMFC_BAD_EMERG_TIMEOUT = 3
+OFPFMFC_BAD_COMMAND = 4
+OFPFMFC_UNSUPPORTED = 5
+
+ofp_flow_mod_failed_code_map = {
+    0: 'OFPFMFC_ALL_TABLES_FULL',
+    1: 'OFPFMFC_OVERLAP',
+    2: 'OFPFMFC_EPERM',
+    3: 'OFPFMFC_BAD_EMERG_TIMEOUT',
+    4: 'OFPFMFC_BAD_COMMAND',
+    5: 'OFPFMFC_UNSUPPORTED',
+}
+
+# Identifiers from group ofp_flow_mod_flags
+OFPFF_SEND_FLOW_REM = 1 << 0
+OFPFF_CHECK_OVERLAP = 1 << 1
+OFPFF_EMERG = 1 << 2
+
+ofp_flow_mod_flags_map = {
+    1 << 0: 'OFPFF_SEND_FLOW_REM',
+    1 << 1: 'OFPFF_CHECK_OVERLAP',
+    1 << 2: 'OFPFF_EMERG',
+}
+
+# Identifiers from group ofp_flow_removed_reason
+OFPRR_IDLE_TIMEOUT = 0
+OFPRR_HARD_TIMEOUT = 1
+OFPRR_DELETE = 2
+
+ofp_flow_removed_reason_map = {
+    0: 'OFPRR_IDLE_TIMEOUT',
+    1: 'OFPRR_HARD_TIMEOUT',
+    2: 'OFPRR_DELETE',
+}
+
+# Identifiers from group ofp_flow_wildcards
+OFPFW_IN_PORT = 1 << 0
+OFPFW_DL_VLAN = 1 << 1
+OFPFW_DL_SRC = 1 << 2
+OFPFW_NW_DST_BITS = 6
+OFPFW_NW_SRC_BITS = 6
+OFPFW_NW_SRC_SHIFT = 8
+OFPFW_DL_DST = 1 << 3
+OFPFW_NW_DST_SHIFT = 14
+OFPFW_DL_TYPE = 1 << 4
+OFPFW_NW_PROTO = 1 << 5
+OFPFW_TP_SRC = 1 << 6
+OFPFW_TP_DST = 1 << 7
+OFPFW_NW_SRC_ALL = 32 << (8)
+OFPFW_NW_SRC_MASK = ((1 << (6)) - 1) << (8)
+OFPFW_NW_DST_ALL = 32 << (14)
+OFPFW_NW_DST_MASK = ((1 << (6)) - 1) << (14)
+OFPFW_DL_VLAN_PCP = 1 << 20
+OFPFW_NW_TOS = 1 << 21
+OFPFW_ALL = ((1 << 22) - 1)
+
+ofp_flow_wildcards_map = {
+    1 << 0: 'OFPFW_IN_PORT',
+    1 << 1: 'OFPFW_DL_VLAN',
+    1 << 2: 'OFPFW_DL_SRC',
+    1 << 3: 'OFPFW_DL_DST',
+    1 << 4: 'OFPFW_DL_TYPE',
+    1 << 5: 'OFPFW_NW_PROTO',
+    1 << 6: 'OFPFW_TP_SRC',
+    1 << 7: 'OFPFW_TP_DST',
+    1 << 20: 'OFPFW_DL_VLAN_PCP',
+    1 << 21: 'OFPFW_NW_TOS',
+}
+
+# Identifiers from group ofp_hello_failed_code
+OFPHFC_INCOMPATIBLE = 0
+OFPHFC_EPERM = 1
+
+ofp_hello_failed_code_map = {
+    0: 'OFPHFC_INCOMPATIBLE',
+    1: 'OFPHFC_EPERM',
+}
+
+# Identifiers from group ofp_packet_in_reason
+OFPR_NO_MATCH = 0
+OFPR_ACTION = 1
+
+ofp_packet_in_reason_map = {
+    0: 'OFPR_NO_MATCH',
+    1: 'OFPR_ACTION',
+}
+
+# Identifiers from group ofp_port
+OFPP_MAX = 0xff00
+OFPP_IN_PORT = 0xfff8
+OFPP_TABLE = 0xfff9
+OFPP_NORMAL = 0xfffa
+OFPP_FLOOD = 0xfffb
+OFPP_ALL = 0xfffc
+OFPP_CONTROLLER = 0xfffd
+OFPP_LOCAL = 0xfffe
+OFPP_NONE = 0xffff
+
+ofp_port_map = {
+    0xff00: 'OFPP_MAX',
+    0xfff8: 'OFPP_IN_PORT',
+    0xfff9: 'OFPP_TABLE',
+    0xfffa: 'OFPP_NORMAL',
+    0xfffb: 'OFPP_FLOOD',
+    0xfffc: 'OFPP_ALL',
+    0xfffd: 'OFPP_CONTROLLER',
+    0xfffe: 'OFPP_LOCAL',
+    0xffff: 'OFPP_NONE',
+}
+
+# Identifiers from group ofp_port_config
+OFPPC_PORT_DOWN = 1 << 0
+OFPPC_NO_STP = 1 << 1
+OFPPC_NO_RECV = 1 << 2
+OFPPC_NO_RECV_STP = 1 << 3
+OFPPC_NO_FLOOD = 1 << 4
+OFPPC_NO_FWD = 1 << 5
+OFPPC_NO_PACKET_IN = 1 << 6
+
+ofp_port_config_map = {
+    1 << 0: 'OFPPC_PORT_DOWN',
+    1 << 1: 'OFPPC_NO_STP',
+    1 << 2: 'OFPPC_NO_RECV',
+    1 << 3: 'OFPPC_NO_RECV_STP',
+    1 << 4: 'OFPPC_NO_FLOOD',
+    1 << 5: 'OFPPC_NO_FWD',
+    1 << 6: 'OFPPC_NO_PACKET_IN',
+}
+
+# Identifiers from group ofp_port_features
+OFPPF_10MB_HD = 1 << 0
+OFPPF_10MB_FD = 1 << 1
+OFPPF_100MB_HD = 1 << 2
+OFPPF_100MB_FD = 1 << 3
+OFPPF_1GB_HD = 1 << 4
+OFPPF_1GB_FD = 1 << 5
+OFPPF_10GB_FD = 1 << 6
+OFPPF_COPPER = 1 << 7
+OFPPF_FIBER = 1 << 8
+OFPPF_AUTONEG = 1 << 9
+OFPPF_PAUSE = 1 << 10
+OFPPF_PAUSE_ASYM = 1 << 11
+
+ofp_port_features_map = {
+    1 << 0: 'OFPPF_10MB_HD',
+    1 << 1: 'OFPPF_10MB_FD',
+    1 << 2: 'OFPPF_100MB_HD',
+    1 << 3: 'OFPPF_100MB_FD',
+    1 << 4: 'OFPPF_1GB_HD',
+    1 << 5: 'OFPPF_1GB_FD',
+    1 << 6: 'OFPPF_10GB_FD',
+    1 << 7: 'OFPPF_COPPER',
+    1 << 8: 'OFPPF_FIBER',
+    1 << 9: 'OFPPF_AUTONEG',
+    1 << 10: 'OFPPF_PAUSE',
+    1 << 11: 'OFPPF_PAUSE_ASYM',
+}
+
+# Identifiers from group ofp_port_mod_failed_code
+OFPPMFC_BAD_PORT = 0
+OFPPMFC_BAD_HW_ADDR = 1
+
+ofp_port_mod_failed_code_map = {
+    0: 'OFPPMFC_BAD_PORT',
+    1: 'OFPPMFC_BAD_HW_ADDR',
+}
+
+# Identifiers from group ofp_port_reason
+OFPPR_ADD = 0
+OFPPR_DELETE = 1
+OFPPR_MODIFY = 2
+
+ofp_port_reason_map = {
+    0: 'OFPPR_ADD',
+    1: 'OFPPR_DELETE',
+    2: 'OFPPR_MODIFY',
+}
+
+# Identifiers from group ofp_port_state
+OFPPS_STP_LISTEN = 0 << 8
+OFPPS_LINK_DOWN = 1 << 0
+OFPPS_STP_LEARN = 1 << 8
+OFPPS_STP_FORWARD = 2 << 8
+OFPPS_STP_BLOCK = 3 << 8
+OFPPS_STP_MASK = 3 << 8
+
+ofp_port_state_map = {
+    0 << 8: 'OFPPS_STP_LISTEN',
+    1 << 0: 'OFPPS_LINK_DOWN',
+    1 << 8: 'OFPPS_STP_LEARN',
+    2 << 8: 'OFPPS_STP_FORWARD',
+    3 << 8: 'OFPPS_STP_BLOCK',
+    3 << 8: 'OFPPS_STP_MASK',
+}
+
+# Identifiers from group ofp_queue_op_failed_code
+OFPQOFC_BAD_PORT = 0
+OFPQOFC_BAD_QUEUE = 1
+OFPQOFC_EPERM = 2
+
+ofp_queue_op_failed_code_map = {
+    0: 'OFPQOFC_BAD_PORT',
+    1: 'OFPQOFC_BAD_QUEUE',
+    2: 'OFPQOFC_EPERM',
+}
+
+# Identifiers from group ofp_queue_properties
+OFPQT_NONE = 0
+OFPQT_MIN_RATE = 1
+
+ofp_queue_properties_map = {
+    0: 'OFPQT_NONE',
+    1: 'OFPQT_MIN_RATE',
+}
+
+# Identifiers from group ofp_stats_reply_flags
+OFPSF_REPLY_MORE = 1 << 0
+
+ofp_stats_reply_flags_map = {
+    1 << 0: 'OFPSF_REPLY_MORE',
+}
+
+# Identifiers from group ofp_stats_types
+OFPST_DESC = 0
+OFPST_FLOW = 1
+OFPST_AGGREGATE = 2
+OFPST_TABLE = 3
+OFPST_PORT = 4
+OFPST_QUEUE = 5
+OFPST_VENDOR = 0xffff
+
+ofp_stats_types_map = {
+    0: 'OFPST_DESC',
+    1: 'OFPST_FLOW',
+    2: 'OFPST_AGGREGATE',
+    3: 'OFPST_TABLE',
+    4: 'OFPST_PORT',
+    5: 'OFPST_QUEUE',
+    0xffff: 'OFPST_VENDOR',
+}
+
+# Identifiers from group ofp_type
+OFPT_HELLO = 0
+OFPT_ERROR = 1
+OFPT_ECHO_REQUEST = 2
+OFPT_ECHO_REPLY = 3
+OFPT_VENDOR = 4
+OFPT_FEATURES_REQUEST = 5
+OFPT_FEATURES_REPLY = 6
+OFPT_GET_CONFIG_REQUEST = 7
+OFPT_GET_CONFIG_REPLY = 8
+OFPT_SET_CONFIG = 9
+OFPT_PACKET_IN = 10
+OFPT_FLOW_REMOVED = 11
+OFPT_PORT_STATUS = 12
+OFPT_PACKET_OUT = 13
+OFPT_FLOW_MOD = 14
+OFPT_PORT_MOD = 15
+OFPT_STATS_REQUEST = 16
+OFPT_STATS_REPLY = 17
+OFPT_BARRIER_REQUEST = 18
+OFPT_BARRIER_REPLY = 19
+OFPT_QUEUE_GET_CONFIG_REQUEST = 20
+OFPT_QUEUE_GET_CONFIG_REPLY = 21
+
+ofp_type_map = {
+    0: 'OFPT_HELLO',
+    1: 'OFPT_ERROR',
+    2: 'OFPT_ECHO_REQUEST',
+    3: 'OFPT_ECHO_REPLY',
+    4: 'OFPT_VENDOR',
+    5: 'OFPT_FEATURES_REQUEST',
+    6: 'OFPT_FEATURES_REPLY',
+    7: 'OFPT_GET_CONFIG_REQUEST',
+    8: 'OFPT_GET_CONFIG_REPLY',
+    9: 'OFPT_SET_CONFIG',
+    10: 'OFPT_PACKET_IN',
+    11: 'OFPT_FLOW_REMOVED',
+    12: 'OFPT_PORT_STATUS',
+    13: 'OFPT_PACKET_OUT',
+    14: 'OFPT_FLOW_MOD',
+    15: 'OFPT_PORT_MOD',
+    16: 'OFPT_STATS_REQUEST',
+    17: 'OFPT_STATS_REPLY',
+    18: 'OFPT_BARRIER_REQUEST',
+    19: 'OFPT_BARRIER_REPLY',
+    20: 'OFPT_QUEUE_GET_CONFIG_REQUEST',
+    21: 'OFPT_QUEUE_GET_CONFIG_REPLY',
+}
+