ioam: remove api boilerplate

Note: The VAT _test.c plugins need some more adjustments.

Type: refactor
Change-Id: Ifa150683d7d68db7950f66ef85eea73c8281ba14
Signed-off-by: Ole Troan <ot@cisco.com>

29 files changed, 80 insertions, 974 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index a0e8de095ff..011571691e6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -547,6 +547,10 @@ Steal The NIC
 I:	stn
 F:	src/plugins/stn
 
+IOAM
+I:	ioam
+F:	src/plugins/ioam
+
 Awkward chained buffer geometry tool
 I:	oddbuf
 F:	src/plugins/oddbuf
diff --git a/src/plugins/ioam/CMakeLists.txt b/src/plugins/ioam/CMakeLists.txt
index 145c156619e..d2a78c7e56c 100644
--- a/src/plugins/ioam/CMakeLists.txt
+++ b/src/plugins/ioam/CMakeLists.txt
@@ -79,35 +79,21 @@ add_vpp_plugin(ioam
   udp-ping/udp_ping.api
 
   INSTALL_HEADERS
-  lib-pot/pot_all_api_h.h
-  lib-pot/pot_msg_enum.h
   lib-pot/pot_util.h
   lib-pot/math64.h
-  export/ioam_export_all_api_h.h
-  export/ioam_export_msg_enum.h
-  lib-trace/trace_all_api_h.h
-  lib-trace/trace_msg_enum.h
   lib-trace/trace_util.h
   encap/ip6_ioam_trace.h
   lib-trace/trace_config.h
   export-common/ioam_export.h
-  lib-vxlan-gpe/vxlan_gpe_all_api_h.h
-  lib-vxlan-gpe/vxlan_gpe_msg_enum.h
   lib-vxlan-gpe/vxlan_gpe_ioam_util.h
   lib-vxlan-gpe/vxlan_gpe_ioam_packet.h
   lib-vxlan-gpe/vxlan_gpe_ioam.h
-  export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h
-  export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h
   encap/ip6_ioam_e2e.h
   encap/ip6_ioam_seqno.h
   lib-e2e/ioam_seqno_lib.h
-  ip6/ioam_cache_all_api_h.h
-  ip6/ioam_cache_msg_enum.h
   udp-ping/udp_ping_packet.h
   udp-ping/udp_ping.h
   udp-ping/udp_ping_util.h
-  udp-ping/udp_ping_all_api_h.h
-  udp-ping/udp_ping_msg_enum.h
 
   API_TEST_SOURCES
   ioam_test.c
diff --git a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c
index 976c831fcce..cc3713c5413 100644
--- a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c
+++ b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c
@@ -29,36 +29,12 @@
 #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
 
 /* define message IDs */
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_api_version
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_enum.h>
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_types.h>
 
 #define REPLY_MSG_ID_BASE sm->msg_id_base
 #include <vlibapi/api_helper_macros.h>
 
-/* List of message types that this plugin understands */
-#define foreach_vxlan_gpe_ioam_export_plugin_api_msg                        \
-_(VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE, vxlan_gpe_ioam_export_enable_disable)
-
 ioam_export_main_t vxlan_gpe_ioam_export_main;
 extern vlib_node_registration_t vxlan_export_node;
 
@@ -133,41 +109,6 @@ static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler
   REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
 }				/* API message handler */
 
-
-
-/* Set up the API message handling tables */
-static clib_error_t *
-vxlan_gpe_ioam_export_plugin_api_hookup (vlib_main_t * vm)
-{
-  ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_vxlan_gpe_ioam_export_plugin_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_vxlan_gpe_ioam_export;
-#undef _
-}
-
-
 static clib_error_t *
 set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm,
 					    unformat_input_t * input,
@@ -226,36 +167,25 @@ VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
 };
 /* *INDENT-ON* */
 
-
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.c>
 static clib_error_t *
 vxlan_gpe_ioam_export_init (vlib_main_t * vm)
 {
   ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
-  clib_error_t *error = 0;
-  u8 *name;
 
   em->set_id = IPFIX_VXLAN_IOAM_EXPORT_ID;
 
-  name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  em->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
+  em->msg_id_base = setup_message_id_table ();
   em->unix_time_0 = (u32) time (0);	/* Store starting time */
   em->vlib_time_0 = vlib_time_now (vm);
 
-  error = vxlan_gpe_ioam_export_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (em, &api_main);
-
   em->my_hbh_slot = ~0;
   em->vlib_main = vm;
   em->vnet_main = vnet_get_main ();
   ioam_export_reset_next_node (em);
-  vec_free (name);
 
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init);
diff --git a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h
deleted file mode 100644
index 6d93f09341a..00000000000
--- a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h>
diff --git a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h
deleted file mode 100644
index cc5698de334..00000000000
--- a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_vxlan_gpe_ioam_export_msg_enum_h
-#define included_vxlan_gpe_ioam_export_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_vxlan_gpe_ioam_export_msg_enum_h */
diff --git a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c
index ff3f36783fc..a3a253fd9c1 100644
--- a/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c
+++ b/src/plugins/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c
@@ -27,31 +27,20 @@
 #include <vlibapi/vat_helper_macros.h>
 
 /* Declare message IDs */
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h>
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_enum.h>
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_types.h>
 
-/* define message structures */
-#define vl_typedefs
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
 
 #define vl_endianfun		/* define message structures */
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
 #define vl_printfun
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
 
-
 typedef struct
 {
   /* API message ID base */
diff --git a/src/plugins/ioam/export/ioam_export.c b/src/plugins/ioam/export/ioam_export.c
index 98e5f116c8a..f4c39a03c5c 100644
--- a/src/plugins/ioam/export/ioam_export.c
+++ b/src/plugins/ioam/export/ioam_export.c
@@ -28,36 +28,12 @@
 
 
 /* define message IDs */
-#include <ioam/export/ioam_export_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_api_version
+#include <ioam/export/ioam_export.api_enum.h>
+#include <ioam/export/ioam_export.api_types.h>
 
 #define REPLY_MSG_ID_BASE sm->msg_id_base
 #include <vlibapi/api_helper_macros.h>
 
-/* List of message types that this plugin understands */
-#define foreach_ioam_export_plugin_api_msg                        \
-_(IOAM_EXPORT_IP6_ENABLE_DISABLE, ioam_export_ip6_enable_disable)
-
 ioam_export_main_t ioam_export_main;
 
 extern vlib_node_registration_t export_node;
@@ -116,38 +92,6 @@ static void vl_api_ioam_export_ip6_enable_disable_t_handler
   REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-ioam_export_plugin_api_hookup (vlib_main_t * vm)
-{
-  ioam_export_main_t *sm = &ioam_export_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_ioam_export_plugin_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_ioam_export;
-#undef _
-}
-
 static clib_error_t *
 set_ioam_export_ipfix_command_fn (vlib_main_t * vm,
 				  unformat_input_t * input,
@@ -201,13 +145,11 @@ VLIB_CLI_COMMAND (set_ipfix_command, static) =
     function = set_ioam_export_ipfix_command_fn,};
 /* *INDENT-ON* */
 
-
+#include <ioam/export/ioam_export.api.c>
 static clib_error_t *
 ioam_export_init (vlib_main_t * vm)
 {
   ioam_export_main_t *em = &ioam_export_main;
-  clib_error_t *error = 0;
-  u8 *name;
   u32 node_index = export_node.index;
   vlib_node_t *ip6_hbyh_node = NULL;
 
@@ -216,25 +158,17 @@ ioam_export_init (vlib_main_t * vm)
   em->set_id = IPFIX_IOAM_EXPORT_ID;
   ioam_export_reset_next_node (em);
 
-  name = format (0, "ioam_export_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  em->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
+  em->msg_id_base = setup_message_id_table ();
+
   em->unix_time_0 = (u32) time (0);	/* Store starting time */
   em->vlib_time_0 = vlib_time_now (vm);
 
-  error = ioam_export_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (em, &api_main);
-
   /* Hook this export node to ip6-hop-by-hop */
   ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
   em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
-  vec_free (name);
 
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (ioam_export_init);
diff --git a/src/plugins/ioam/export/ioam_export_all_api_h.h b/src/plugins/ioam/export/ioam_export_all_api_h.h
deleted file mode 100644
index bc4368f2acb..00000000000
--- a/src/plugins/ioam/export/ioam_export_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/export/ioam_export.api.h>
diff --git a/src/plugins/ioam/export/ioam_export_msg_enum.h b/src/plugins/ioam/export/ioam_export_msg_enum.h
deleted file mode 100644
index c2de798893c..00000000000
--- a/src/plugins/ioam/export/ioam_export_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_ioam_export_msg_enum_h
-#define included_ioam_export_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/export/ioam_export_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_ioam_export_msg_enum_h */
diff --git a/src/plugins/ioam/export/ioam_export_test.c b/src/plugins/ioam/export/ioam_export_test.c
index cd98877ac22..b7d53c2b0f3 100644
--- a/src/plugins/ioam/export/ioam_export_test.c
+++ b/src/plugins/ioam/export/ioam_export_test.c
@@ -28,31 +28,18 @@
 
 
 /* Declare message IDs */
-#include <ioam/export/ioam_export_msg_enum.h>
+#include <ioam/export/ioam_export.api_enum.h>
+#include <ioam/export/ioam_export.api_types.h>
 
-/* define message structures */
-#define vl_typedefs
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
-
-#define vl_endianfun		/* define message structures */
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
+#define vl_endianfun            /* define message structures */
 #define vl_printfun
-#include <ioam/export/ioam_export_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/export/ioam_export_all_api_h.h>
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#include <ioam/export/ioam_export.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
 
-
 typedef struct
 {
   /* API message ID base */
diff --git a/src/plugins/ioam/ip6/ioam_cache.c b/src/plugins/ioam/ip6/ioam_cache.c
index d315bc6c61c..74b50c9282e 100644
--- a/src/plugins/ioam/ip6/ioam_cache.c
+++ b/src/plugins/ioam/ip6/ioam_cache.c
@@ -29,38 +29,14 @@
 #include "ioam_cache.h"
 
 /* define message IDs */
-#include <ioam/ip6/ioam_cache_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-#undef vl_api_version
+#include <ioam/ip6/ioam_cache.api_enum.h>
+#include <ioam/ip6/ioam_cache.api_types.h>
 
 #define REPLY_MSG_ID_BASE cm->msg_id_base
 #include <vlibapi/api_helper_macros.h>
 
 ioam_cache_main_t ioam_cache_main;
 
-/* List of message types that this plugin understands */
-#define foreach_ioam_cache_plugin_api_msg                        \
-_(IOAM_CACHE_IP6_ENABLE_DISABLE, ioam_cache_ip6_enable_disable)
-
 static u8 *
 ioam_e2e_id_trace_handler (u8 * s, ip6_hop_by_hop_option_t * opt)
 {
@@ -183,38 +159,6 @@ static void vl_api_ioam_cache_ip6_enable_disable_t_handler
   REPLY_MACRO (VL_API_IOAM_CACHE_IP6_ENABLE_DISABLE_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-ioam_cache_plugin_api_hookup (vlib_main_t * vm)
-{
-  ioam_cache_main_t *sm = &ioam_cache_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_ioam_cache_plugin_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (ioam_cache_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_ioam_cache;
-#undef _
-}
-
 static clib_error_t *
 set_ioam_cache_command_fn (vlib_main_t * vm,
 			   unformat_input_t * input, vlib_cli_command_t * cmd)
@@ -368,29 +312,20 @@ VLIB_CLI_COMMAND (show_ioam_cache_command, static) =
     "show ioam ip6 cache [verbose]",.function = show_ioam_cache_command_fn};
 /* *INDENT_ON* */
 
+#include <ioam/ip6/ioam_cache.api.c>
 static clib_error_t *
 ioam_cache_init (vlib_main_t * vm)
 {
   vlib_node_t *node;
   ioam_cache_main_t *em = &ioam_cache_main;
-  clib_error_t *error = 0;
-  u8 *name;
   u32 cache_node_index = ioam_cache_node.index;
   u32 ts_node_index = ioam_cache_ts_node.index;
   vlib_node_t *ip6_hbyh_node = NULL, *ip6_hbh_pop_node = NULL, *error_node =
     NULL;
 
-  name = format (0, "ioam_cache_%08x%c", api_version, 0);
-
   clib_memset (&ioam_cache_main, 0, sizeof (ioam_cache_main));
   /* Ask for a correctly-sized block of API message decode slots */
-  em->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = ioam_cache_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (em, &api_main);
+  em->msg_id_base = setup_message_id_table ();
 
   /* Hook this node to ip6-hop-by-hop */
   ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
@@ -412,9 +347,7 @@ ioam_cache_init (vlib_main_t * vm)
   node = vlib_get_node_by_name (vm, (u8 *) "ip6-add-syn-hop-by-hop");
   em->ip6_reset_ts_hbh_node_index = node->index;
 
-  vec_free (name);
-
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (ioam_cache_init);
diff --git a/src/plugins/ioam/ip6/ioam_cache_all_api_h.h b/src/plugins/ioam/ip6/ioam_cache_all_api_h.h
deleted file mode 100644
index 61272a5187e..00000000000
--- a/src/plugins/ioam/ip6/ioam_cache_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/ip6/ioam_cache.api.h>
diff --git a/src/plugins/ioam/ip6/ioam_cache_msg_enum.h b/src/plugins/ioam/ip6/ioam_cache_msg_enum.h
deleted file mode 100644
index 8afd067b808..00000000000
--- a/src/plugins/ioam/ip6/ioam_cache_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_ioam_cache_msg_enum_h
-#define included_ioam_cache_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/ip6/ioam_cache_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_ioam_cache_msg_enum_h */
diff --git a/src/plugins/ioam/lib-pot/pot_all_api_h.h b/src/plugins/ioam/lib-pot/pot_all_api_h.h
deleted file mode 100644
index 63967c45444..00000000000
--- a/src/plugins/ioam/lib-pot/pot_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/lib-pot/pot.api.h>
diff --git a/src/plugins/ioam/lib-pot/pot_api.c b/src/plugins/ioam/lib-pot/pot_api.c
index 52ea68e083d..0d0e49de20a 100644
--- a/src/plugins/ioam/lib-pot/pot_api.c
+++ b/src/plugins/ioam/lib-pot/pot_api.c
@@ -27,39 +27,12 @@
 #include <vlibmemory/api.h>
 
 /* define message IDs */
-#include <ioam/lib-pot/pot_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_api_version
+#include <ioam/lib-pot/pot.api_enum.h>
+#include <ioam/lib-pot/pot.api_types.h>
 
 #define REPLY_MSG_ID_BASE sm->msg_id_base
 #include <vlibapi/api_helper_macros.h>
 
-/* List of message types that this plugin understands */
-#define foreach_pot_plugin_api_msg                                      \
-_(POT_PROFILE_ADD, pot_profile_add)                                     \
-_(POT_PROFILE_ACTIVATE, pot_profile_activate)                           \
-_(POT_PROFILE_DEL, pot_profile_del)                                     \
-_(POT_PROFILE_SHOW_CONFIG_DUMP, pot_profile_show_config_dump)                                     \
-
 static void vl_api_pot_profile_add_t_handler
 (vl_api_pot_profile_add_t *mp)
 {
@@ -175,43 +148,10 @@ static void vl_api_pot_profile_del_t_handler
     REPLY_MACRO(VL_API_POT_PROFILE_DEL_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-pot_plugin_api_hookup (vlib_main_t *vm)
-{
-  pot_main_t * sm = &pot_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1); 
-    foreach_pot_plugin_api_msg;
-#undef _
-
-    return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (pot_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_pot;
-#undef _
-}
-
+#include <ioam/lib-pot/pot.api.c>
 static clib_error_t * pot_init (vlib_main_t * vm)
 {
   pot_main_t * sm = &pot_main;
-  clib_error_t * error = 0;
-  u8 * name;
 
   bzero(sm, sizeof(pot_main));
   (void)pot_util_init();
@@ -219,20 +159,10 @@ static clib_error_t * pot_init (vlib_main_t * vm)
   sm->vlib_main = vm;
   sm->vnet_main = vnet_get_main();
 
-  name = format (0, "ioam_pot_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  sm->msg_id_base = vl_msg_api_get_msg_ids 
-      ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = pot_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (sm, &api_main);
-
-  vec_free(name);
+  sm->msg_id_base = setup_message_id_table ();
 
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (pot_init);
diff --git a/src/plugins/ioam/lib-pot/pot_msg_enum.h b/src/plugins/ioam/lib-pot/pot_msg_enum.h
deleted file mode 100644
index a4a88bed20f..00000000000
--- a/src/plugins/ioam/lib-pot/pot_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_pot_msg_enum_h
-#define included_pot_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/lib-pot/pot_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_pot_msg_enum_h */
diff --git a/src/plugins/ioam/lib-pot/pot_test.c b/src/plugins/ioam/lib-pot/pot_test.c
index d0cf49eea37..1db4286b7dc 100644
--- a/src/plugins/ioam/lib-pot/pot_test.c
+++ b/src/plugins/ioam/lib-pot/pot_test.c
@@ -28,31 +28,18 @@
 #include <vlibapi/vat_helper_macros.h>
 
 /* Declare message IDs */
-#include <ioam/lib-pot/pot_msg_enum.h>
+#include <ioam/lib-pot/pot.api_enum.h>
+#include <ioam/lib-pot/pot.api_types.h>
 
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
-
-#define vl_endianfun             /* define message structures */
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
+#define vl_endianfun            /* define message structures */
 #define vl_printfun
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-pot/pot_all_api_h.h>
+#define vl_print(handle, ...)
+#include <ioam/lib-pot/pot.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
 
-
 typedef struct {
     /* API message ID base */
     u16 msg_id_base;
diff --git a/src/plugins/ioam/lib-trace/trace_all_api_h.h b/src/plugins/ioam/lib-trace/trace_all_api_h.h
deleted file mode 100644
index 223f95450aa..00000000000
--- a/src/plugins/ioam/lib-trace/trace_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/lib-trace/trace.api.h>
diff --git a/src/plugins/ioam/lib-trace/trace_api.c b/src/plugins/ioam/lib-trace/trace_api.c
index f74d4e7f43b..fbabc6d7243 100644
--- a/src/plugins/ioam/lib-trace/trace_api.c
+++ b/src/plugins/ioam/lib-trace/trace_api.c
@@ -27,37 +27,9 @@
 #include <vlibapi/api.h>
 #include <vlibmemory/api.h>
 
-
 /* define message IDs */
-#include <ioam/lib-trace/trace_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_api_version
-
-/* List of message types that this plugin understands */
-
-#define foreach_trace_plugin_api_msg                                      \
-_(TRACE_PROFILE_ADD, trace_profile_add)                                     \
-_(TRACE_PROFILE_DEL, trace_profile_del)                                     \
-_(TRACE_PROFILE_SHOW_CONFIG, trace_profile_show_config)
+#include <ioam/lib-trace/trace.api_enum.h>
+#include <ioam/lib-trace/trace.api_types.h>
 
 static void vl_api_trace_profile_add_t_handler
   (vl_api_trace_profile_add_t * mp)
@@ -122,44 +94,11 @@ static void vl_api_trace_profile_show_config_t_handler
     }
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-trace_plugin_api_hookup (vlib_main_t * vm)
-{
-  trace_main_t *sm = &trace_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_trace_plugin_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (trace_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_trace;
-#undef _
-}
-
+#include <ioam/lib-trace/trace.api.c>
 static clib_error_t *
 trace_init (vlib_main_t * vm)
 {
   trace_main_t *sm = &trace_main;
-  clib_error_t *error = 0;
-  u8 *name;
 
   bzero (sm, sizeof (trace_main));
   (void) trace_util_init ();
@@ -167,20 +106,10 @@ trace_init (vlib_main_t * vm)
   sm->vlib_main = vm;
   sm->vnet_main = vnet_get_main ();
 
-  name = format (0, "ioam_trace_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  sm->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = trace_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (sm, &api_main);
+  sm->msg_id_base = setup_message_id_table ();
 
-  vec_free (name);
-
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (trace_init);
diff --git a/src/plugins/ioam/lib-trace/trace_msg_enum.h b/src/plugins/ioam/lib-trace/trace_msg_enum.h
deleted file mode 100644
index 78c35665f3c..00000000000
--- a/src/plugins/ioam/lib-trace/trace_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_trace_msg_enum_h
-#define included_trace_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/lib-trace/trace_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_trace_msg_enum_h */
diff --git a/src/plugins/ioam/lib-trace/trace_test.c b/src/plugins/ioam/lib-trace/trace_test.c
index 060c621836a..89814783455 100644
--- a/src/plugins/ioam/lib-trace/trace_test.c
+++ b/src/plugins/ioam/lib-trace/trace_test.c
@@ -28,31 +28,18 @@
 #include <vlibapi/vat_helper_macros.h>
 
 /* Declare message IDs */
-#include <ioam/lib-trace/trace_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
+#include <ioam/lib-trace/trace.api_enum.h>
+#include <ioam/lib-trace/trace.api_types.h>
 
 #define vl_endianfun		/* define message structures */
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
 #define vl_printfun
-#include <ioam/lib-trace/trace_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-trace/trace_all_api_h.h>
+#define vl_print(handle, ...)
+#include <ioam/lib-trace/trace.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
 
-
 typedef struct
 {
   /* API message ID base */
diff --git a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h
deleted file mode 100644
index 06fa0d2cd34..00000000000
--- a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.h>
diff --git a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_api.c b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_api.c
index e46d0fbf866..77484341add 100644
--- a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_api.c
+++ b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_api.c
@@ -28,39 +28,8 @@
 
 
 /* define message IDs */
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_api_version
-
-/* List of message types that this plugin understands */
-
-#define foreach_vxlan_gpe_plugin_api_msg                               \
-_(VXLAN_GPE_IOAM_ENABLE, vxlan_gpe_ioam_enable)                        \
-_(VXLAN_GPE_IOAM_DISABLE, vxlan_gpe_ioam_disable)                      \
-_(VXLAN_GPE_IOAM_VNI_ENABLE, vxlan_gpe_ioam_vni_enable)                \
-_(VXLAN_GPE_IOAM_VNI_DISABLE, vxlan_gpe_ioam_vni_disable)              \
-_(VXLAN_GPE_IOAM_TRANSIT_ENABLE, vxlan_gpe_ioam_transit_enable)        \
-_(VXLAN_GPE_IOAM_TRANSIT_DISABLE, vxlan_gpe_ioam_transit_disable)      \
-
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_enum.h>
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_types.h>
 
 static void vl_api_vxlan_gpe_ioam_enable_t_handler
   (vl_api_vxlan_gpe_ioam_enable_t * mp)
@@ -239,44 +208,11 @@ static void vl_api_vxlan_gpe_ioam_transit_disable_t_handler
   REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_TRANSIT_DISABLE_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-vxlan_gpe_plugin_api_hookup (vlib_main_t * vm)
-{
-  vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                           #n,					\
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_vxlan_gpe_plugin_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (vxlan_gpe_ioam_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_ioam_vxlan_gpe;
-#undef _
-}
-
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.c>
 static clib_error_t *
 vxlan_gpe_init (vlib_main_t * vm)
 {
   vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
-  clib_error_t *error = 0;
-  u8 *name;
   u32 encap_node_index = vxlan_gpe_encap_ioam_v4_node.index;
   u32 decap_node_index = vxlan_gpe_decap_ioam_v4_node.index;
   vlib_node_t *vxlan_gpe_encap_node = NULL;
@@ -288,16 +224,8 @@ vxlan_gpe_init (vlib_main_t * vm)
   sm->unix_time_0 = (u32) time (0);	/* Store starting time */
   sm->vlib_time_0 = vlib_time_now (vm);
 
-  name = format (0, "ioam_vxlan_gpe_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  sm->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = vxlan_gpe_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (sm, &api_main);
+  sm->msg_id_base = setup_message_id_table ();
 
   /* Hook the ioam-encap node to vxlan-gpe-encap */
   vxlan_gpe_encap_node = vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-encap");
@@ -316,9 +244,8 @@ vxlan_gpe_init (vlib_main_t * vm)
   sm->dst_by_ip6 = hash_create_mem (0, sizeof (fib_prefix_t), sizeof (uword));
 
   vxlan_gpe_ioam_interface_init ();
-  vec_free (name);
 
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (vxlan_gpe_init);
diff --git a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h
deleted file mode 100644
index cc0a10a3fec..00000000000
--- a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_vxlan_gpe_msg_enum_h
-#define included_vxlan_gpe_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum {
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-    /* We'll want to know how many messages IDs we need... */
-    VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_vxlan_gpe_msg_enum_h */
diff --git a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_test.c b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_test.c
index ef24a500b9f..c7eea8b64b8 100644
--- a/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_test.c
+++ b/src/plugins/ioam/lib-vxlan-gpe/vxlan_gpe_test.c
@@ -28,29 +28,18 @@
 #include <vlibapi/vat_helper_macros.h>
 
 /* Declare message IDs */
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_enum.h>
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_types.h>
 
 #define vl_endianfun		/* define message structures */
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
 #define vl_printfun
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#define vl_print(handle, ...)
+#include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
+
 #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
 #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
 
diff --git a/src/plugins/ioam/udp-ping/udp_ping_all_api_h.h b/src/plugins/ioam/udp-ping/udp_ping_all_api_h.h
deleted file mode 100644
index 1ed2e10b72d..00000000000
--- a/src/plugins/ioam/udp-ping/udp_ping_all_api_h.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * 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.
- */
-/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <ioam/udp-ping/udp_ping.api.h>
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/ioam/udp-ping/udp_ping_api.c b/src/plugins/ioam/udp-ping/udp_ping_api.c
index b66c1696010..82f56aa01bf 100644
--- a/src/plugins/ioam/udp-ping/udp_ping_api.c
+++ b/src/plugins/ioam/udp-ping/udp_ping_api.c
@@ -28,37 +28,12 @@
 
 
 /* define message IDs */
-#include <ioam/udp-ping/udp_ping_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_api_version
+#include <ioam/udp-ping/udp_ping.api_enum.h>
+#include <ioam/udp-ping/udp_ping.api_types.h>
 
 #define REPLY_MSG_ID_BASE sm->msg_id_base
 #include <vlibapi/api_helper_macros.h>
 
-/* List of message types that this module understands */
-#define foreach_udp_ping_api_msg                                      \
-    _(UDP_PING_ADD_DEL, udp_ping_add_del)                                     \
-    _(UDP_PING_EXPORT, udp_ping_export)                                     \
-
 static void
 vl_api_udp_ping_add_del_t_handler (vl_api_udp_ping_add_del_t * mp)
 {
@@ -103,59 +78,16 @@ vl_api_udp_ping_export_t_handler (vl_api_udp_ping_export_t * mp)
   REPLY_MACRO (VL_API_UDP_PING_EXPORT_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-udp_ping_api_hookup (vlib_main_t * vm)
-{
-  udp_ping_main_t *sm = &udp_ping_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
-                            #n,					\
-                            vl_api_##n##_t_handler,              \
-                            vl_noop_handler,                     \
-                            vl_api_##n##_t_endian,               \
-                            vl_api_##n##_t_print,                \
-                            sizeof(vl_api_##n##_t), 1);
-  foreach_udp_ping_api_msg;
-#undef _
-
-  return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (udp_ping_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_udp_ping;
-#undef _
-}
-
+#include <ioam/udp-ping/udp_ping.api.c>
 static clib_error_t *
 udp_ping_api_init (vlib_main_t * vm)
 {
   udp_ping_main_t *sm = &udp_ping_main;
-  clib_error_t *error = 0;
-  u8 *name;
-
-  name = format (0, "udp_ping_%08x%c", api_version, 0);
 
   /* Ask for a correctly-sized block of API message decode slots */
-  sm->msg_id_base = vl_msg_api_get_msg_ids
-    ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = udp_ping_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (sm, &api_main);
+  sm->msg_id_base = setup_message_id_table ();
 
-  vec_free (name);
-
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (udp_ping_api_init);
diff --git a/src/plugins/ioam/udp-ping/udp_ping_msg_enum.h b/src/plugins/ioam/udp-ping/udp_ping_msg_enum.h
deleted file mode 100644
index dded18842d2..00000000000
--- a/src/plugins/ioam/udp-ping/udp_ping_msg_enum.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * 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.
- */
-#ifndef included_udp_ping_msg_enum_h
-#define included_udp_ping_msg_enum_h
-
-#include <vppinfra/byte_order.h>
-
-#define vl_msg_id(n,h) n,
-typedef enum
-{
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-  /* We'll want to know how many messages IDs we need... */
-  VL_MSG_FIRST_AVAILABLE,
-} vl_msg_id_t;
-#undef vl_msg_id
-
-#endif /* included_udp_ping_msg_enum_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/ioam/udp-ping/udp_ping_test.c b/src/plugins/ioam/udp-ping/udp_ping_test.c
index 9c795969d51..d435b224476 100644
--- a/src/plugins/ioam/udp-ping/udp_ping_test.c
+++ b/src/plugins/ioam/udp-ping/udp_ping_test.c
@@ -26,31 +26,18 @@
 #include <vnet/ip/ip.h>
 
 /* Declare message IDs */
-#include <ioam/udp-ping/udp_ping_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
+#include <ioam/udp-ping/udp_ping.api_enum.h>
+#include <ioam/udp-ping/udp_ping.api_types.h>
 
 #define vl_endianfun		/* define message structures */
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
 #define vl_printfun
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number. */
+#define vl_print(handle, ...)
 #define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/udp-ping/udp_ping_all_api_h.h>
+#include <ioam/udp-ping/udp_ping.api.h>
+#undef vl_endianfun
+#undef vl_printfun
 #undef vl_api_version
 
-
 typedef struct
 {
   /* API message ID base */