aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/unittest/ipsec_test.c
blob: bb7f2a8d9e2fe418be4066a9b63081bc76ccf183 (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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
/*
 * Copyright (c) 2018 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/ipsec/ipsec.h>
#include <vnet/ipsec/ipsec_sa.h>
#include <vnet/ipsec/ipsec_output.h>

static clib_error_t *
test_ipsec_command_fn (vlib_main_t *vm, unformat_input_t *input,
		       vlib_cli_command_t *cmd)
{
  u64 seq_num;
  u32 sa_id;

  sa_id = ~0;
  seq_num = 0;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "sa %d", &sa_id))
	;
      else if (unformat (input, "seq 0x%llx", &seq_num))
	;
      else
	break;
    }

  if (~0 != sa_id)
    {
      ipsec_sa_t *sa;
      u32 sa_index;

      sa_index = ipsec_sa_find_and_lock (sa_id);
      sa = ipsec_sa_get (sa_index);

      sa->seq = seq_num & 0xffffffff;
      sa->seq_hi = seq_num >> 32;

      /* clear the window */
      if (ipsec_sa_is_set_ANTI_REPLAY_HUGE (sa))
	clib_bitmap_zero (sa->replay_window_huge);
      else
	sa->replay_window = 0;

      ipsec_sa_unlock (sa_index);
    }
  else
    {
      return clib_error_return (0, "unknown SA `%U'", format_unformat_error,
				input);
    }

  return (NULL);
}

static clib_error_t *
test_ipsec_spd_outbound_perf_command_fn (vlib_main_t *vm,
					 unformat_input_t *input,
					 vlib_cli_command_t *cmd)
{
  clib_error_t *err = 0;
  ipsec_crypto_alg_t crypto_alg = IPSEC_CRYPTO_ALG_AES_GCM_128;
  ipsec_integ_alg_t integ_alg = IPSEC_INTEG_ALG_NONE;
  ipsec_protocol_t proto = IPSEC_PROTOCOL_ESP;
  ipsec_sa_flags_t sa_flags = IPSEC_SA_FLAG_NONE;
  ipsec_key_t ck = { 0 };
  u8 key_data[] = { 31, 32, 33, 34, 35, 36, 37, 38,
		    39, 30, 31, 32, 33, 34, 35, 36 };
  ipsec_mk_key (&ck, key_data, 16);
  ipsec_key_t ik = { 0 };
  u32 sa_id = 123456, spi = 654321, salt = 1234, sai;
  u16 udp_src = IPSEC_UDP_PORT_NONE, udp_dst = IPSEC_UDP_PORT_NONE;
  tunnel_t tun = {};

  /* SPD policy */
  ipsec_main_t *im = &ipsec_main;
  ipsec_policy_t *p0 = NULL;
  ipsec_spd_t *spd0;
  uword *pp;
  u32 stat_index, spd_idx, spd_id = 1;
  int is_add = 1;
  int rv;
  ipsec_policy_t *p_vec = NULL;
  u64 i;
  u64 flows = 100;

  u64 t_add_0 = 0;
  u64 t_add_1 = 0;
  u64 t_add = 0;
  u64 t_look_0 = 0;
  u64 t_look_1 = 0;
  u64 t_look = 0;
  u8 flow_cache_enabled = im->output_flow_cache_flag;
  u32 count_cached = 0;
  u32 count_slow_path = 0;
  u32 seed = random_default_seed ();
  u32 *rand_val = NULL;
  u32 ip4_start;
#define BURST_MAX_SIZE 256
  ipsec_policy_t *policies[BURST_MAX_SIZE];
  ipsec4_spd_5tuple_t ip4_5tuples[BURST_MAX_SIZE];
  u32 burst_size = 10;
  int burst_enabled = 0;
  u64 t0 = clib_cpu_time_now ();
  u64 t1 = 0;
  u32 k = 0, m;
  u64 burst_counter = 0;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "flows %d", &flows))
	;
      else if (unformat (input, "burst %d", &burst_size))
	{
	  if (burst_size == 0)
	    burst_enabled = 0;
	  else
	    {
	      burst_enabled = 1;
	      burst_size = clib_min (burst_size, BURST_MAX_SIZE);
	    }
	}
      else
	break;
    }

  vlib_cli_output (vm, "Create env:");
  /* creating a new SA */
  rv = ipsec_sa_add_and_lock (sa_id, spi, proto, crypto_alg, &ck, integ_alg,
			      &ik, sa_flags, clib_host_to_net_u32 (salt),
			      udp_src, udp_dst, 0, &tun, &sai);
  if (rv)
    {
      err = clib_error_return (0, "create sa failure");
      goto done;
    }
  else
    vlib_cli_output (vm, "\tAdd a new SA");

  /* creating a new SPD */
  rv = ipsec_add_del_spd (vm, spd_id, is_add);
  if (rv)
    {
      err = clib_error_return (0, "create spd failure");
      goto done;
    }
  else
    vlib_cli_output (vm, "\tAdd a new SPD");

  /* vector for spd_policy */
  vec_validate (p_vec, flows + 1);
  vec_validate (rand_val, flows + 1);

  /* fill spd policy */
  for (i = 0; i < flows; i++)
    {
      rand_val[i] = random_u32 (&seed) % flows;

      p_vec[i].type = IPSEC_SPD_POLICY_IP4_OUTBOUND;
      p_vec[i].priority = flows - i;
      p_vec[i].policy = IPSEC_POLICY_ACTION_PROTECT;
      p_vec[i].id = spd_id;
      p_vec[i].sa_id = sa_id;
      p_vec[i].protocol = IP_PROTOCOL_UDP;
      p_vec[i].lport.start = 1;
      p_vec[i].lport.stop = 1;
      p_vec[i].rport.start = 1;
      p_vec[i].rport.stop = 1;
      /* address: 1.0.0.0 as u32 */
      ip4_start = 16777216;
      p_vec[i].laddr.start.ip4.data_u32 =
	clib_host_to_net_u32 (ip4_start + i * 32);
      p_vec[i].laddr.stop.ip4.data_u32 =
	clib_host_to_net_u32 (ip4_start + i * 32);
      p_vec[i].raddr.start.ip4.data_u32 =
	clib_host_to_net_u32 (ip4_start + i * 32);
      p_vec[i].raddr.stop.ip4.data_u32 =
	clib_host_to_net_u32 (ip4_start + i * 32);
    }

  vlib_cli_output (vm, "Add SPD Policy");
  t_add_0 = clib_cpu_time_now ();
  for (i = 0; i < flows; i++)
    {
      rv = ipsec_add_del_policy (vm, &p_vec[i], is_add, &stat_index);
      if (rv)
	{
	  clib_warning ("No add SPD Policy: %u", stat_index);
	  err = clib_error_return (0, "add SPD Policy failure");
	  goto done;
	}
    }
  t_add_1 = clib_cpu_time_now ();

  pp = hash_get (im->spd_index_by_spd_id, spd_id);
  spd_idx = pp[0];
  spd0 = pool_elt_at_index (im->spds, spd_idx);

  vlib_cli_output (vm, "Lookup SPD Policy");
  u64 j = 0;
  u64 n_lookup = 1000 * 1000;
  t_look_0 = clib_cpu_time_now ();
  for (i = 0; i < n_lookup; i++)
    {
      if (flows == j)
	j = 0;

      p0 = NULL;
      if (flow_cache_enabled)
	{
	  p0 = ipsec4_out_spd_find_flow_cache_entry (
	    im, 0,
	    clib_net_to_host_u32 (ip4_start +
				  ((flows - 1) - rand_val[j]) * 32),
	    clib_net_to_host_u32 (ip4_start +
				  ((flows - 1) - rand_val[j]) * 32),
	    clib_net_to_host_u16 (1), clib_net_to_host_u16 (1));
	  if (p0)
	    count_cached++;
	}
      if (p0 == NULL)
	{
	  if (burst_enabled)
	    {
	      u32 src_addr = (ip4_start + ((flows - 1) - rand_val[j]) * 32);
	      u32 dst_addr = (ip4_start + ((flows - 1) - rand_val[j]) * 32);
	      ipsec4_spd_5tuple_t ip4_5tuple = {
		.ip4_addr = { (ip4_address_t) src_addr,
			      (ip4_address_t) dst_addr },
		.port = { 1, 1 },
		.proto = IP_PROTOCOL_UDP
	      };

	      if (k == burst_size)
		{
		  k = 0;
		  clib_memset (policies, 0,
			       burst_size * sizeof (ipsec_policy_t *));
		  burst_counter += ipsec_output_policy_match_n (
		    spd0, ip4_5tuples, policies, burst_size,
		    flow_cache_enabled);
		  for (m = 0; m < burst_size; m++)
		    {
		      ASSERT (policies[m] != 0);
		    }
		}

	      clib_memcpy (ip4_5tuples + k, &ip4_5tuple,
			   sizeof (ipsec4_spd_5tuple_t));
	      k++;
	    }
	  else
	    {

	      p0 = ipsec_output_policy_match (
		spd0, IP_PROTOCOL_UDP,
		(ip4_start + ((flows - 1) - rand_val[j]) * 32),
		(ip4_start + ((flows - 1) - rand_val[j]) * 32), 1, 1,
		flow_cache_enabled);
	    }

	  count_slow_path++;
	}
      j++;
      if (!burst_enabled)
	ASSERT (p0 != 0);
    }

  if (burst_enabled && k > 0)
    {
      clib_memset (policies, 0, k * sizeof (ipsec_policy_t *));
      burst_counter += ipsec_output_policy_match_n (
	spd0, ip4_5tuples, policies, k, flow_cache_enabled);
      for (m = 0; m < k; m++)
	{
	  ASSERT (policies[m] != 0);
	}
    }
  t_look_1 = clib_cpu_time_now ();

  t_add = (t_add_1 - t_add_0);
  t_look = (t_look_1 - t_look_0);

  vlib_cli_output (vm, "Results Outbound:");
  vlib_cli_output (vm, "Time to add %u flows: \t\t%12.10f s", flows,
		   (t_add / vm->clib_time.clocks_per_second));
  vlib_cli_output (vm, "Average time to add 1 flow: \t\t%12.10f s",
		   ((t_add / flows) / vm->clib_time.clocks_per_second));
  vlib_cli_output (vm, "Time to lookup %u flows: \t\t%12.10f s", flows,
		   (t_look / vm->clib_time.clocks_per_second));
  vlib_cli_output (vm, "Average time to lookup 1 flow: \t\t%12.10f s",
		   ((t_look / n_lookup) / vm->clib_time.clocks_per_second));

  vlib_cli_output (vm, " ");

  vlib_cli_output (vm, "Cycle CPU to add %u flows: \t\t%32lu cycles", flows,
		   t_add);
  vlib_cli_output (vm, "Average cycle CPU to add 1 flow: \t%32lu cycles",
		   t_add / flows);
  vlib_cli_output (vm, "Cycle CPU to lookup %u flows: \t%32lu cycles", flows,
		   t_look);
  vlib_cli_output (vm, "Average cycle CPU to lookup 1 flow: \t%32lu cycles",
		   t_look / n_lookup);

  if (count_slow_path || count_cached)
    vlib_cli_output (
      vm, "flow cache hit rate: \t\t%12.10f\n cached: \t%d\n slow_path: \t%d",
      ((float) count_cached) / ((float) count_cached + count_slow_path),
      count_cached, count_slow_path);

  if (burst_enabled)
    vlib_cli_output (vm, "Total number of packets matched in bursts: \t\t%d\n",
		     burst_counter);

done:
  vlib_cli_output (vm, "Cleaning:");
  /* delete SPD policy */
  is_add = 0;
  for (i = 0; i < flows; i++)
    {
      rv = ipsec_add_del_policy (vm, &p_vec[i], is_add, &stat_index);
      if (rv)
	{
	  clib_warning ("No delete SPD Policy: %u", i);
	  err = clib_error_return (0, "delete SPD Policy failure");
	}
    }
  vlib_cli_output (vm, "\tDelete all SPD Policy");

  /* delete SPD */
  rv = ipsec_add_del_spd (vm, spd_id, is_add);
  if (rv)
    {
      err = clib_error_return (0, "delete spd failure");
    }
  else
    vlib_cli_output (vm, "\tDelete SPD");

  /* delete SA */
  rv = ipsec_sa_unlock_id (sa_id);
  if (rv)
    {
      err = clib_error_return (0, "delete sa failure");
    }
  else
    vlib_cli_output (vm, "\tDelete SA");

  t1 = clib_cpu_time_now ();
  vlib_cli_output (vm, "Time for test: \t%12.10f s",
		   ((t1 - t0) / vm->clib_time.clocks_per_second));

  vec_free (p_vec);
  vlib_cli_output (vm, "End");

  return (err);
}

VLIB_CLI_COMMAND (test_ipsec_spd_perf_command, static) = {
  .path = "test ipsec_spd_outbound_perf",
  .short_help = "test ipsec_spd_outbound_perf flows <n_flows>",
  .function = test_ipsec_spd_outbound_perf_command_fn,
};

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_ipsec_command, static) = {
  .path = "test ipsec",
  .short_help = "test ipsec sa <ID> seq-num <VALUE>",
  .function = test_ipsec_command_fn,
};
/* *INDENT-ON* */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */