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-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c124
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h45
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace.api92
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_all_api_h.h16
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_api.c237
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_msg_enum.h28
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_test.c292
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.c206
-rw-r--r--vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.h247
9 files changed, 1287 insertions, 0 deletions
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c b/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c
new file mode 100644
index 00000000..1d878ea3
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c
@@ -0,0 +1,124 @@
+/*
+ * 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 <vnet/vnet.h>
+
+#include <ioam/lib-trace/trace_msg_enum.h>
+#define vl_typedefs /* define message structures */
+#include <ioam/lib-trace/trace_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun
+#include <ioam/lib-trace/trace_all_api_h.h>
+#undef vl_endianfun
+
+#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>
+#undef vl_api_version
+
+#include <vnet/api_errno.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+#if VPPJNI_DEBUG == 1
+ #define DEBUG_LOG(...) clib_warning(__VA_ARGS__)
+#else
+ #define DEBUG_LOG(...)
+#endif
+
+#include <jvpp-common/jvpp_common.h>
+
+#include "ioam/jvpp/io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl.h"
+#include "jvpp_ioam_trace.h"
+#include "ioam/jvpp/jvpp_ioam_trace_gen.h"
+
+/*
+ * Class: io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl
+ * Method: init0
+ * Signature: (JI)V
+ */
+JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0
+ (JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
+ ioamtrace_main_t * plugin_main = &ioamtrace_main;
+ u8 * name;
+ clib_warning ("Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0");
+
+ plugin_main->my_client_index = my_client_index;
+ plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
+
+ name = format (0, "ioam_trace_%08x%c", api_version, 0);
+ plugin_main->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (plugin_main->msg_id_base == (u16) ~0) {
+ jclass exClass = (*env)->FindClass(env, "java/lang/IllegalStateException");
+ (*env)->ThrowNew(env, exClass, "ioam_trace plugin is not loaded in VPP");
+ } else {
+ plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
+ plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
+
+ #define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N + plugin_main->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_api_reply_handler;
+ #undef _
+ }
+}
+
+JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_close0
+(JNIEnv *env, jclass clazz) {
+ ioamtrace_main_t * plugin_main = &ioamtrace_main;
+
+ // cleanup:
+ (*env)->DeleteGlobalRef(env, plugin_main->callbackClass);
+ (*env)->DeleteGlobalRef(env, plugin_main->callbackObject);
+
+ plugin_main->callbackClass = NULL;
+ plugin_main->callbackObject = NULL;
+}
+
+/* Attach thread to JVM and cache class references when initiating JVPP iOAM Trace */
+jint JNI_OnLoad(JavaVM *vm, void *reserved) {
+ JNIEnv* env;
+
+ if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
+ return JNI_EVERSION;
+ }
+
+ if (cache_class_references(env) != 0) {
+ clib_warning ("Failed to cache class references\n");
+ return JNI_ERR;
+ }
+
+ return JNI_VERSION_1_8;
+}
+
+/* Clean up cached references when disposing JVPP iOAM Trace */
+void JNI_OnUnload(JavaVM *vm, void *reserved) {
+ JNIEnv* env;
+ if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
+ return;
+ }
+ delete_class_references(env);
+}
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h b/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h
new file mode 100644
index 00000000..9fc16c15
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h
@@ -0,0 +1,45 @@
+/*
+ * 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_jvpp_ioam_trace_h__
+#define __included_jvpp_ioam_trace_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/api_errno.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <jni.h>
+
+/* Global state for JVPP-IOAM-TRACE */
+typedef struct {
+ /* Base message index for the trace plugin */
+ u16 msg_id_base;
+
+ /* Pointer to shared memory queue */
+ unix_shared_memory_queue_t * vl_input_queue;
+
+ /* VPP api client index */
+ u32 my_client_index;
+
+ /* Callback object and class references enabling asynchronous Java calls */
+ jobject callbackObject;
+ jclass callbackClass;
+
+} ioamtrace_main_t;
+
+ioamtrace_main_t ioamtrace_main __attribute__((aligned (64)));
+
+
+#endif /* __included_jvpp_ioam_trace_h__ */
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/trace.api b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace.api
new file mode 100644
index 00000000..cb958325
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace.api
@@ -0,0 +1,92 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * 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.
+ */
+
+
+/** \brief iOAM6 Trace - Set the iOAM6 trace profile
+ @param trace_type - Type of trace requested
+ @param num_elts - Number of trace elements to be inserted
+ @param node_id - Trace Node ID
+ @param trace_tsp- Timestamp resolution
+ @param app_data - Application specific opaque
+*/
+define trace_profile_add {
+ u32 client_index;
+ u32 context;
+ u8 trace_type;
+ u8 num_elts;
+ u8 trace_tsp;
+ u32 node_id;
+ u32 app_data;
+};
+
+/** \brief Trace profile add / del response
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+*/
+define trace_profile_add_reply {
+ u32 context;
+ i32 retval;
+};
+
+
+
+/** \brief Delete trace Profile
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define trace_profile_del {
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Trace profile add / del response
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+*/
+define trace_profile_del_reply {
+ u32 context;
+ i32 retval;
+};
+
+
+
+/** \brief Show trace Profile
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define trace_profile_show_config {
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Show trace config response
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+ @param trace_type - Type of trace requested
+ @param num_elts - Number of trace elements to be inserted
+ @param node_id - Trace Node ID
+ @param trace_tsp- Timestamp resolution
+ @param app_data - Application specific opaque
+*/
+define trace_profile_show_config_reply {
+ u32 context;
+ i32 retval;
+ u8 trace_type;
+ u8 num_elts;
+ u8 trace_tsp;
+ u32 node_id;
+ u32 app_data;
+};
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_all_api_h.h b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_all_api_h.h
new file mode 100644
index 00000000..223f9545
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_all_api_h.h
@@ -0,0 +1,16 @@
+/*
+ * 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/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_api.c b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_api.c
new file mode 100644
index 00000000..2ada5b7e
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_api.c
@@ -0,0 +1,237 @@
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * trace_api.c - iOAM Trace related APIs to create
+ * and maintain profiles
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+#include <ioam/lib-trace/trace_util.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/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
+
+/*
+ * A handy macro to set up a message reply.
+ * Assumes that the following variables are available:
+ * mp - pointer to request message
+ * rmp - pointer to reply message type
+ * rv - return value
+ */
+
+#define TRACE_REPLY_MACRO(t) \
+do { \
+ unix_shared_memory_queue_t * q = \
+ vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+/* *INDENT-OFF* */
+#define TRACE_REPLY_MACRO2(t, body) \
+do { \
+ unix_shared_memory_queue_t * q; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ q = vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+/* *INDENT-ON* */
+
+/* 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)
+
+static void vl_api_trace_profile_add_t_handler
+ (vl_api_trace_profile_add_t * mp)
+{
+ trace_main_t *sm = &trace_main;
+ int rv = 0;
+ vl_api_trace_profile_add_reply_t *rmp;
+ trace_profile *profile = NULL;
+
+ profile = trace_profile_find ();
+ if (profile)
+ {
+ rv =
+ trace_profile_create (profile, mp->trace_type, mp->num_elts,
+ mp->trace_tsp, ntohl (mp->node_id),
+ ntohl (mp->app_data));
+ if (rv != 0)
+ goto ERROROUT;
+ }
+ else
+ {
+ rv = -3;
+ }
+ERROROUT:
+ TRACE_REPLY_MACRO (VL_API_TRACE_PROFILE_ADD_REPLY);
+}
+
+
+static void vl_api_trace_profile_del_t_handler
+ (vl_api_trace_profile_del_t * mp)
+{
+ trace_main_t *sm = &trace_main;
+ int rv = 0;
+ vl_api_trace_profile_del_reply_t *rmp;
+
+ clear_trace_profiles ();
+
+ TRACE_REPLY_MACRO (VL_API_TRACE_PROFILE_DEL_REPLY);
+}
+
+static void vl_api_trace_profile_show_config_t_handler
+ (vl_api_trace_profile_show_config_t * mp)
+{
+ trace_main_t *sm = &trace_main;
+ vl_api_trace_profile_show_config_reply_t *rmp;
+ int rv = 0;
+ trace_profile *profile = trace_profile_find ();
+ if (profile->valid)
+ {
+ TRACE_REPLY_MACRO2 (VL_API_TRACE_PROFILE_SHOW_CONFIG_REPLY,
+ rmp->trace_type = profile->trace_type;
+ rmp->num_elts = profile->num_elts;
+ rmp->trace_tsp = profile->trace_tsp;
+ rmp->node_id = htonl (profile->node_id);
+ rmp->app_data = htonl (profile->app_data);
+ );
+ }
+ else
+ {
+ TRACE_REPLY_MACRO2 (VL_API_TRACE_PROFILE_SHOW_CONFIG_REPLY,
+ rmp->trace_type = 0;
+ rmp->num_elts = 0; rmp->trace_tsp = 0;
+ rmp->node_id = 0; rmp->app_data = 0;
+ );
+ }
+}
+
+/* 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 _
+}
+
+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 ();
+
+ 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);
+
+ vec_free (name);
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (trace_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_msg_enum.h b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_msg_enum.h
new file mode 100644
index 00000000..78c35665
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_msg_enum.h
@@ -0,0 +1,28 @@
+/*
+ * 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/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_test.c b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_test.c
new file mode 100644
index 00000000..111dd461
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_test.c
@@ -0,0 +1,292 @@
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * trace_test.c - test harness for trace plugin
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+#include <vppinfra/error.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 */
+
+#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>
+#undef vl_api_version
+
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} trace_test_main_t;
+
+trace_test_main_t trace_test_main;
+
+#define foreach_standard_reply_retval_handler \
+_(trace_profile_add_reply) \
+_(trace_profile_del_reply)
+
+#define foreach_custom_reply_handler \
+_(trace_profile_show_config_reply, \
+ if(mp->trace_type) \
+ { \
+ errmsg(" Trace Type : 0x%x (%d)\n",mp->trace_type, mp->trace_type); \
+ errmsg(" Trace timestamp precision : %d \n",mp->trace_tsp); \
+ errmsg(" Node Id : 0x%x (%d)\n",htonl(mp->node_id), htonl(mp->node_id)); \
+ errmsg(" App Data : 0x%x (%d)\n",htonl(mp->app_data), htonl(mp->app_data)); \
+ } \
+ else errmsg("No valid trace profile configuration found\n");)
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = trace_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+#define _(n,body) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = trace_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ if(retval>=0)do{body;} while(0); \
+ else errmsg("Error, retval: %d",retval); \
+ }
+foreach_custom_reply_handler;
+#undef _
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(TRACE_PROFILE_ADD_REPLY, trace_profile_add_reply) \
+_(TRACE_PROFILE_DEL_REPLY, trace_profile_del_reply) \
+_(TRACE_PROFILE_SHOW_CONFIG_REPLY, trace_profile_show_config_reply)
+
+
+/* M: construct, but don't yet send a message */
+
+#define M(T,t) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+#define M2(T,t,n) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W \
+do { \
+ timeout = vat_time_now (vam) + 1.0; \
+ \
+ while (vat_time_now (vam) < timeout) { \
+ if (vam->result_ready == 1) { \
+ return (vam->retval); \
+ } \
+ } \
+ return -99; \
+} while(0);
+
+
+static int
+api_trace_profile_add (vat_main_t * vam)
+{
+ trace_test_main_t *sm = &trace_test_main;
+ unformat_input_t *input = vam->input;
+ vl_api_trace_profile_add_t *mp;
+ u8 trace_type = 0;
+ u8 num_elts = 0;
+ int rv = 0;
+ u32 node_id = 0;
+ u32 app_data = 0;
+ u8 trace_tsp = 0;
+ f64 timeout;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "trace-type 0x%x", &trace_type))
+ ;
+ else if (unformat (input, "trace-elts %d", &num_elts))
+ ;
+ else if (unformat (input, "trace-tsp %d", &trace_tsp))
+ ;
+ else if (unformat (input, "node-id 0x%x", &node_id))
+ ;
+ else if (unformat (input, "app-data 0x%x", &app_data))
+ ;
+
+ else
+ break;
+ }
+
+
+ M (TRACE_PROFILE_ADD, trace_profile_add);
+
+ mp->trace_type = trace_type;
+ mp->trace_tsp = trace_tsp;
+ mp->node_id = htonl (node_id);
+ mp->app_data = htonl (app_data);
+ mp->num_elts = num_elts;
+
+ S;
+ W;
+
+ return (rv);
+}
+
+
+
+static int
+api_trace_profile_del (vat_main_t * vam)
+{
+ trace_test_main_t *sm = &trace_test_main;
+ vl_api_trace_profile_del_t *mp;
+ f64 timeout;
+
+ M (TRACE_PROFILE_DEL, trace_profile_del);
+ S;
+ W;
+ return 0;
+}
+
+static int
+api_trace_profile_show_config (vat_main_t * vam)
+{
+ trace_test_main_t *sm = &trace_test_main;
+ vl_api_trace_profile_show_config_t *mp;
+ f64 timeout;
+ M (TRACE_PROFILE_SHOW_CONFIG, trace_profile_show_config);
+ S;
+ W;
+ return 0;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(trace_profile_add, ""\
+ "trace-type <0x1f|0x3|0x9|0x11|0x19> trace-elts <nn> trace-tsp <0|1|2|3> node-id <node id in hex> app-data <app_data in hex>") \
+_(trace_profile_del, "[id <nn>]") \
+_(trace_profile_show_config, "[id <nn>]")
+
+
+void
+vat_api_hookup (vat_main_t * vam)
+{
+ trace_test_main_t *sm = &trace_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#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_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+ trace_test_main_t *sm = &trace_test_main;
+ u8 *name;
+
+ sm->vat_main = vam;
+
+ name = format (0, "ioam_trace_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~ 0)
+ vat_api_hookup (vam);
+
+ vec_free (name);
+
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.c b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.c
new file mode 100644
index 00000000..5c7f1eef
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.c
@@ -0,0 +1,206 @@
+/*
+ * 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 <vnet/vnet.h>
+#include <stdint.h>
+#include <time.h>
+#include <string.h>
+#include <vppinfra/mem.h>
+#include "trace_util.h"
+
+trace_main_t trace_main;
+
+static int
+trace_profile_cleanup (trace_profile * profile)
+{
+
+ memset (profile, 0, sizeof (trace_profile));
+ profile->trace_tsp = TSP_MICROSECONDS; /* Micro seconds */
+ ip6_trace_profile_cleanup (); /* lib-trace_TODO: Remove this once IOAM-IPv6 transport is a plugin */
+ return 0;
+
+}
+
+static int
+trace_main_profiles_reset (void)
+{
+ int rv;
+
+ trace_main_t *sm = &trace_main;
+ rv = trace_profile_cleanup (&(sm->profile));
+ return (rv);
+}
+
+int
+trace_util_init (void)
+{
+ int rv;
+
+ rv = trace_main_profiles_reset ();
+ return (rv);
+}
+
+
+int
+trace_profile_create (trace_profile * profile, u8 trace_type, u8 num_elts,
+ u32 trace_tsp, u32 node_id, u32 app_data)
+{
+
+ if (!trace_type || !num_elts || !(node_id))
+ {
+ return (-1);
+ }
+ if (profile && !profile->valid)
+ {
+ //rv = trace_profile_cleanup (profile);
+ profile->trace_type = trace_type;
+ profile->num_elts = num_elts;
+ profile->trace_tsp = trace_tsp;
+ profile->node_id = node_id;
+ profile->app_data = app_data;
+ profile->valid = 1;
+
+ /* lib-trace_TODO: Remove this once IOAM-IPv6 transport is a plugin */
+ ip6_trace_profile_setup ();
+ return (0);
+ }
+
+ return (-1);
+}
+
+
+
+clib_error_t *
+clear_trace_profile_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+
+ trace_main_profiles_reset ();
+ return 0;
+}
+
+void
+clear_trace_profiles (void)
+{
+ clear_trace_profile_command_fn (0, 0, 0);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND(clear_trace_profile_command) =
+{
+.path = "clear ioam-trace profile",
+.short_help = "clear ioam-trace profile [<index>|all]",
+.function = clear_trace_profile_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+set_trace_profile_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 trace_type = 0;
+ u8 num_elts = 0;
+ u32 node_id = 0;
+ u32 app_data = 0;
+ u32 trace_tsp = 0;
+ trace_profile *profile = NULL;
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "trace-type 0x%x", &trace_type));
+ else if (unformat (input, "trace-elts %d", &num_elts));
+ else if (unformat (input, "trace-tsp %d", &trace_tsp));
+ else if (unformat (input, "node-id 0x%x", &node_id));
+ else if (unformat (input, "app-data 0x%x", &app_data));
+ else
+ break;
+ }
+ profile = trace_profile_find ();
+ if (profile)
+ {
+ trace_profile_create (profile, trace_type, num_elts, trace_tsp,
+ node_id, app_data);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_trace_profile_command, static) =
+{
+.path = "set ioam-trace profile",
+.short_help = "set ioam-trace \
+ trace-type <0x1f|0x3|0x9|0x11|0x19> trace-elts <nn> trace-tsp <0|1|2|3> \
+ node-id <node id in hex> app-data <app_data in hex>",
+.function = set_trace_profile_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_trace_profile_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ trace_profile *p = NULL;
+ u8 *s = 0;
+ p = trace_profile_find ();
+ if (!(p && p->valid))
+ {
+ s = format (s, "\nTrace configuration not valid\n");
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ return 0;
+ }
+ s = format (s, " HOP BY HOP OPTIONS - TRACE CONFIG - \n");
+ s = format (s, " Trace Type : 0x%x (%d)\n",
+ p->trace_type, p->trace_type);
+ s =
+ format (s, " Trace timestamp precision : %d (%s)\n",
+ p->trace_tsp,
+ (p->trace_tsp ==
+ TSP_SECONDS) ? "Seconds" : ((p->trace_tsp ==
+ TSP_MILLISECONDS) ?
+ "Milliseconds"
+ : (((p->trace_tsp ==
+ TSP_MICROSECONDS) ?
+ "Microseconds" :
+ "Nanoseconds"))));
+ s = format (s, " Num of trace nodes : %d\n", p->num_elts);
+ s =
+ format (s, " Node-id : 0x%x (%d)\n",
+ p->node_id, p->node_id);
+ s =
+ format (s, " App Data : 0x%x (%d)\n",
+ p->app_data, p->app_data);
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_trace_profile_command, static) =
+{
+.path = "show ioam-trace profile",
+.short_help = "show ioam-trace profile",
+.function = show_trace_profile_command_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.h b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.h
new file mode 100644
index 00000000..556f07ee
--- /dev/null
+++ b/vpp/plugins/ioam-plugin/ioam/lib-trace/trace_util.h
@@ -0,0 +1,247 @@
+/*
+ * trace_util.h -- Trace Profile Utility header
+ *
+ * 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 include_vnet_trace_util_h
+#define include_vnet_trace_util_h
+
+#define debug_ioam debug_ioam_fn
+
+
+/**
+ * Usage:
+ *
+ * On any node that participates in iOAM Trace.
+ *
+ * Step 1: Initialize this library by calling trace_init()
+ * Step 2: Setup a trace profile that contains all the parameters needed to compute cumulative:
+ * Call these functions:
+ * trace_profile_find
+ * trace_profile_create
+ * Step 2a: On initial node enable the profile to be used:
+ * trace_profile_set_active / trace_profile_get_active will return the profile
+ * Step 4: TBD
+ * trace_validate
+ *
+ */
+
+typedef struct trace_profile_
+{
+ u8 valid:1;
+ u8 trace_type;
+ u8 num_elts;
+ /* Configured node-id */
+ u32 node_id;
+ u32 app_data;
+ u32 trace_tsp;
+} trace_profile;
+
+typedef struct
+{
+ /* Name of the default profile list in use */
+ trace_profile profile;
+
+ /* API message ID base */
+ u16 msg_id_base;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} trace_main_t;
+
+extern trace_main_t trace_main;
+
+/*
+ * Initialize Trace profile
+ */
+int trace_util_init (void);
+
+
+/*
+ * Find a trace profile
+ */
+
+always_inline trace_profile *
+trace_profile_find (void)
+{
+ trace_main_t *sm = &trace_main;
+
+ return (&(sm->profile));
+}
+
+
+/* setup and clean up profile */
+int trace_profile_create (trace_profile * profile, u8 trace_type, u8 num_elts,
+ u32 trace_tsp, u32 node_id, u32 app_data);
+
+void clear_trace_profiles (void);
+
+
+
+#define BIT_TTL_NODEID (1<<0)
+#define BIT_ING_INTERFACE (1<<1)
+#define BIT_EGR_INTERFACE (1<<2)
+#define BIT_TIMESTAMP (1<<3)
+#define BIT_APPDATA (1<<4)
+#define TRACE_TYPE_MASK 0x1F /* Mask of all above bits */
+
+/*
+ 0x00011111 iOAM-trace-type is 0x00011111 then the format of node
+ data is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ingress_if_id | egress_if_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+#define TRACE_TYPE_IF_TS_APP 0x1f
+typedef struct
+{
+ u32 ttl_node_id;
+ u16 ingress_if;
+ u16 egress_if;
+ u32 timestamp;
+ u32 app_data;
+} ioam_trace_if_ts_app_t;
+
+/*
+ 0x00000111 iOAM-trace-type is 0x00000111 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ingress_if_id | egress_if_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+#define TRACE_TYPE_IF 0x03
+typedef struct
+{
+ u32 ttl_node_id;
+ u16 ingress_if;
+ u16 egress_if;
+} ioam_trace_if_t;
+
+/*
+ 0x00001001 iOAM-trace-type is 0x00001001 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+#define TRACE_TYPE_TS 0x09
+typedef struct
+{
+ u32 ttl_node_id;
+ u32 timestamp;
+} ioam_trace_ts_t;
+
+/*
+ 0x00010001 iOAM-trace-type is 0x00010001 then the format is:
+
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+
+#define TRACE_TYPE_APP 0x11
+typedef struct
+{
+ u32 ttl_node_id;
+ u32 app_data;
+} ioam_trace_app_t;
+
+/*
+
+ 0x00011001 iOAM-trace-type is 0x00011001 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+
+#define TRACE_TYPE_TS_APP 0x19
+typedef struct
+{
+ u32 ttl_node_id;
+ u32 timestamp;
+ u32 app_data;
+} ioam_trace_ts_app_t;
+
+
+
+static inline u8
+fetch_trace_data_size (u8 trace_type)
+{
+ u8 trace_data_size = 0;
+
+ if (trace_type == TRACE_TYPE_IF_TS_APP)
+ trace_data_size = sizeof (ioam_trace_if_ts_app_t);
+ else if (trace_type == TRACE_TYPE_IF)
+ trace_data_size = sizeof (ioam_trace_if_t);
+ else if (trace_type == TRACE_TYPE_TS)
+ trace_data_size = sizeof (ioam_trace_ts_t);
+ else if (trace_type == TRACE_TYPE_APP)
+ trace_data_size = sizeof (ioam_trace_app_t);
+ else if (trace_type == TRACE_TYPE_TS_APP)
+ trace_data_size = sizeof (ioam_trace_ts_app_t);
+
+ return trace_data_size;
+}
+
+int ioam_trace_get_sizeof_handler (u32 * result);
+int ip6_trace_profile_setup (void);
+int ip6_trace_profile_cleanup (void);
+
+#define TSP_SECONDS 0
+#define TSP_MILLISECONDS 1
+#define TSP_MICROSECONDS 2
+#define TSP_NANOSECONDS 3
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */