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-rw-r--r--plugins/ioam-plugin/ioam/lib-trace/trace_util.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace_util.c b/plugins/ioam-plugin/ioam/lib-trace/trace_util.c
new file mode 100644
index 00000000000..4bc9f84deec
--- /dev/null
+++ b/plugins/ioam-plugin/ioam/lib-trace/trace_util.c
@@ -0,0 +1,221 @@
+/*
+ * 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;
+
+extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
+
+static int
+trace_profile_cleanup (trace_profile * profile)
+{
+ int rv;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+
+ memset (profile, 0, sizeof (trace_profile));
+ profile->trace_tsp = TSP_MICROSECONDS; /* Micro seconds */
+ hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = 0;
+ if (0 !=
+ (rv =
+ ip6_ioam_set_rewrite (&hm->rewrite, hm->has_trace_option,
+ hm->has_pot_option, hm->has_ppc_option)))
+ return (-1);
+ 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)
+{
+ u32 trace_size = 0;
+ int rv;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+
+ 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;
+
+ if (ioam_trace_get_sizeof_handler (&trace_size) < 0)
+ return (-1);
+
+ hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = trace_size;
+
+ if (hm->has_trace_option)
+ {
+ if (0 !=
+ (rv =
+ ip6_ioam_set_rewrite (&hm->rewrite, hm->has_trace_option,
+ hm->has_pot_option, hm->has_ppc_option)))
+ return (-1);
+
+ }
+ 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
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ 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) =
+{
+.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->valid == 0)
+ 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);
+ if (!(p && p->valid))
+ {
+ s = format (s, "\nTrace configuration not valid\n");
+ }
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_trace_profile_command) =
+{
+.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:
+ */