aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/ioam-plugin/ioam/lib-trace/trace_util.c
blob: adc02b20f5653750538fde3b921dd88fdaae1e5f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 * 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_seqno_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_seqno_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
	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:
 */