summaryrefslogtreecommitdiffstats
path: root/src/vnet/ipip/ipip_cli.c
blob: d3410558271eef31f53f4fe75ede03201b594a35 (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
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
/*
 * 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 "ipip.h"
#include <vppinfra/error.h>
#include <vnet/vnet.h>
#include <vnet/fib/fib_table.h>

static clib_error_t *create_ipip_tunnel_command_fn(vlib_main_t *vm,
                                                   unformat_input_t *input,
                                                   vlib_cli_command_t *cmd) {
  unformat_input_t _line_input, *line_input = &_line_input;
  ip46_address_t src = ip46_address_initializer, dst = ip46_address_initializer;
  u32 instance = ~0;
  u32 fib_index = 0;
  u32 table_id = 0;
  int rv;
  u32 num_m_args = 0;
  u32 sw_if_index;
  clib_error_t *error = NULL;
  bool ip4_set = false, ip6_set = false;
  tunnel_mode_t mode = TUNNEL_MODE_P2P;

  /* Get a line of input. */
  if (!unformat_user(input, unformat_line_input, line_input))
    return 0;

  while (unformat_check_input(line_input) != UNFORMAT_END_OF_INPUT) {
    if (unformat(line_input, "instance %d", &instance))
      ;
    else if (unformat(line_input, "src %U", unformat_ip4_address, &src.ip4)) {
      num_m_args++;
      ip4_set = true;
    } else if (unformat(line_input, "dst %U", unformat_ip4_address, &dst.ip4)) {
      num_m_args++;
      ip4_set = true;
    } else if (unformat(line_input, "src %U", unformat_ip6_address, &src.ip6)) {
      num_m_args++;
      ip6_set = true;
    } else if (unformat(line_input, "dst %U", unformat_ip6_address, &dst.ip6)) {
      num_m_args++;
      ip6_set = true;
    } else if (unformat(line_input, "%U", unformat_tunnel_mode, &mode)) {
      num_m_args++;
    } else if (unformat(line_input, "outer-table-id %d", &table_id))
      ;
    else {
      error = clib_error_return(0, "unknown input `%U'", format_unformat_error,
                                line_input);
      goto done;
    }
  }

  if (num_m_args < 2) {
    error = clib_error_return(0, "mandatory argument(s) missing");
    goto done;
  } 
  if (ip4_set && ip6_set) {
    error = clib_error_return(0, "source and destination must be of same address family");
    goto done;
  }

  fib_index = fib_table_find(fib_ip_proto(ip6_set), table_id);

  if (~0 == fib_index)
  {
      rv = VNET_API_ERROR_NO_SUCH_FIB;
  }
  else
  {
      rv = ipip_add_tunnel(ip6_set ? IPIP_TRANSPORT_IP6 : IPIP_TRANSPORT_IP4,
                           instance,
                           &src,
                           &dst,
                           fib_index,
                           TUNNEL_ENCAP_DECAP_FLAG_NONE,
                           IP_DSCP_CS0,
                           mode,
                           &sw_if_index);
    }

    switch (rv) {
  case 0:
    vlib_cli_output(vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main(),
                    sw_if_index);
    break;
  case VNET_API_ERROR_IF_ALREADY_EXISTS:
    error = clib_error_return(0, "IPIP tunnel already exists...");
    goto done;
  case VNET_API_ERROR_NO_SUCH_FIB:
    error = clib_error_return(0, "outer fib ID %d doesn't exist\n", fib_index);
    goto done;
  case VNET_API_ERROR_NO_SUCH_ENTRY:
    error = clib_error_return(0, "IPIP tunnel doesn't exist");
    goto done;
  case VNET_API_ERROR_INSTANCE_IN_USE:
    error = clib_error_return(0, "Instance is in use");
    goto done;
  case VNET_API_ERROR_INVALID_DST_ADDRESS:
    error = clib_error_return(0, "destination IP address when mode is multi-point");
    goto done;
  default:
    error = clib_error_return(0, "vnet_ipip_add_del_tunnel returned %d", rv);
    goto done;
  }

done:
  unformat_free(line_input);

  return error;
}

static clib_error_t *delete_ipip_tunnel_command_fn(vlib_main_t *vm,
                                                   unformat_input_t *input,
                                                   vlib_cli_command_t *cmd) {
  unformat_input_t _line_input, *line_input = &_line_input;
  int rv;
  u32 num_m_args = 0;
  u32 sw_if_index = ~0;
  clib_error_t *error = NULL;

  /* Get a line of input. */
  if (!unformat_user(input, unformat_line_input, line_input))
    return 0;

  while (unformat_check_input(line_input) != UNFORMAT_END_OF_INPUT) {
    if (unformat(line_input, "sw_if_index %d", &sw_if_index))
      num_m_args++;
    else {
      error = clib_error_return(0, "unknown input `%U'", format_unformat_error,
                                line_input);
      goto done;
    }
  }

  if (num_m_args < 1) {
    error = clib_error_return(0, "mandatory argument(s) missing");
    goto done;
  } 

  rv = ipip_del_tunnel(sw_if_index);
  printf("RV %d\n", rv);

done:
  unformat_free(line_input);

  return error;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND(create_ipip_tunnel_command, static) = {
    .path = "create ipip tunnel",
    .short_help = "create ipip tunnel src <addr> dst <addr> [instance <n>] "
                  "[outer-table-id <ID>]",
    .function = create_ipip_tunnel_command_fn,
};
VLIB_CLI_COMMAND(delete_ipip_tunnel_command, static) = {
    .path = "delete ipip tunnel",
    .short_help = "delete ipip tunnel sw_if_index <sw_if_index>",
    .function = delete_ipip_tunnel_command_fn,
};
/* *INDENT-ON* */

static u8 *format_ipip_tunnel(u8 *s, va_list *args) {
  ipip_tunnel_t *t = va_arg(*args, ipip_tunnel_t *);

  ip46_type_t type = (t->transport == IPIP_TRANSPORT_IP4) ? IP46_TYPE_IP4 : IP46_TYPE_IP6;
  u32 table_id;

  table_id = fib_table_get_table_id(t->fib_index,
                                    fib_proto_from_ip46(type));
  switch (t->mode) {
  case IPIP_MODE_6RD:
    s = format(s, "[%d] 6rd src %U ip6-pfx %U/%d ",
	       t->dev_instance,
	       format_ip46_address, &t->tunnel_src, type,
	       format_ip6_address, &t->sixrd.ip6_prefix, t->sixrd.ip6_prefix_len);
    break;
  case IPIP_MODE_P2P:
    s = format(s, "[%d] instance %d src %U dst %U ",
	       t->dev_instance, t->user_instance,
	       format_ip46_address, &t->tunnel_src, type,
	       format_ip46_address, &t->tunnel_dst, type);
    break;
  case IPIP_MODE_P2MP:
    s = format(s, "[%d] instance %d p2mp src %U ",
	       t->dev_instance, t->user_instance,
	       format_ip46_address, &t->tunnel_src, type);
    break;
  }

  s = format(s, "table-ID %d sw-if-idx %d flags [%U] dscp %U",
             table_id, t->sw_if_index,
             format_tunnel_encap_decap_flags, t->flags,
             format_ip_dscp, t->dscp);

  return s;
}

static clib_error_t *show_ipip_tunnel_command_fn(vlib_main_t *vm,
                                                 unformat_input_t *input,
                                                 vlib_cli_command_t *cmd) {
  ipip_main_t *gm = &ipip_main;
  ipip_tunnel_t *t;
  u32 ti = ~0;

  if (pool_elts(gm->tunnels) == 0)
    vlib_cli_output(vm, "No IPIP tunnels configured...");

  while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT) {
    if (unformat(input, "%d", &ti))
      ;
    else
      break;
  }

  if (ti == ~0) {
    /* *INDENT-OFF* */
    pool_foreach(t, gm->tunnels,
                 ({vlib_cli_output(vm, "%U", format_ipip_tunnel, t); }));
    /* *INDENT-ON* */
  } else {
    t = pool_elt_at_index(gm->tunnels, ti);
    if (t)
      vlib_cli_output(vm, "%U", format_ipip_tunnel, t);
  }
  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND(show_ipip_tunnel_command, static) = {
    .path = "show ipip tunnel",
    .function = show_ipip_tunnel_command_fn,
};
/* *INDENT-ON* */

static u8 *
format_ipip_tunnel_key (u8 *s, va_list *args)
{
  ipip_tunnel_key_t *t = va_arg(*args, ipip_tunnel_key_t *);

  s = format (s, "src:%U dst:%U fib:%d transport:%d mode:%d",
              format_ip46_address, &t->src, IP46_TYPE_ANY,
              format_ip46_address, &t->dst, IP46_TYPE_ANY,
              t->fib_index, t->transport, t->mode);

  return (s);
}

static clib_error_t *
ipip_tunnel_hash_show (vlib_main_t * vm,
                       unformat_input_t * input,
                       vlib_cli_command_t * cmd)
{
  ipip_main_t *im = &ipip_main;
  ipip_tunnel_key_t *key;
  u32 index;

  /* *INDENT-OFF* */
  hash_foreach(key, index, im->tunnel_by_key,
  ({
      vlib_cli_output (vm, " %U -> %d", format_ipip_tunnel_key, key, index);
  }));
  /* *INDENT-ON* */

  return NULL;
}

/**
 * show IPSEC tunnel protection hash tables
 */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ipip_tunnel_hash_show_node, static) =
{
  .path = "show ipip tunnel-hash",
  .function = ipip_tunnel_hash_show,
  .short_help =  "show ipip tunnel-hash",
};
/* *INDENT-ON* */

static clib_error_t *create_sixrd_tunnel_command_fn(vlib_main_t *vm,
                                                    unformat_input_t *input,
                                                    vlib_cli_command_t *cmd) {
  unformat_input_t _line_input, *line_input = &_line_input;
  ip4_address_t ip4_prefix;
  ip6_address_t ip6_prefix;
  ip4_address_t ip4_src;
  u32 ip6_prefix_len = 0, ip4_prefix_len = 0, sixrd_tunnel_index;
  u32 num_m_args = 0;
  /* Optional arguments */
  u32 ip4_table_id = 0, ip4_fib_index;
  u32 ip6_table_id = 0, ip6_fib_index;
  clib_error_t *error = 0;
  bool security_check = false;
  int rv;

  /* Get a line of input. */
  if (!unformat_user(input, unformat_line_input, line_input))
    return 0;
  while (unformat_check_input(line_input) != UNFORMAT_END_OF_INPUT) {
    if (unformat(line_input, "security-check"))
      security_check = true;
    else if (unformat(line_input, "ip6-pfx %U/%d", unformat_ip6_address,
                      &ip6_prefix, &ip6_prefix_len))
      num_m_args++;
    else if (unformat(line_input, "ip4-pfx %U/%d", unformat_ip4_address,
                      &ip4_prefix, &ip4_prefix_len))
      num_m_args++;
    else if (unformat(line_input, "ip4-src %U", unformat_ip4_address, &ip4_src))
      num_m_args++;
    else if (unformat(line_input, "ip4-table-id %d", &ip4_table_id))
      ;
    else if (unformat(line_input, "ip6-table-id %d", &ip6_table_id))
      ;
    else {
      error = clib_error_return(0, "unknown input `%U'", format_unformat_error,
                                line_input);
      goto done;
    }
  }

  if (num_m_args < 3) {
    error = clib_error_return(0, "mandatory argument(s) missing");
    goto done;
  }
  ip4_fib_index = fib_table_find(FIB_PROTOCOL_IP4, ip4_table_id);
  ip6_fib_index = fib_table_find(FIB_PROTOCOL_IP6, ip6_table_id);

  if (~0 == ip4_fib_index)
  {
      error = clib_error_return(0, "No such IP4 table %d", ip4_table_id);
      rv = VNET_API_ERROR_NO_SUCH_FIB;
  }
  else if (~0 == ip6_fib_index)
  {
      error = clib_error_return(0, "No such IP6 table %d", ip6_table_id);
      rv = VNET_API_ERROR_NO_SUCH_FIB;
  }
  else
  {
      rv = sixrd_add_tunnel(&ip6_prefix, ip6_prefix_len, &ip4_prefix,
			    ip4_prefix_len, &ip4_src, security_check,
			    ip4_fib_index, ip6_fib_index,
                            &sixrd_tunnel_index);

      if (rv)
          error = clib_error_return(0, "adding tunnel failed %d", rv);
  }

done:
  unformat_free(line_input);

  return error;
}

static clib_error_t *delete_sixrd_tunnel_command_fn(vlib_main_t *vm,
                                                    unformat_input_t *input,
                                                    vlib_cli_command_t *cmd) {
  unformat_input_t _line_input, *line_input = &_line_input;
  u32 num_m_args = 0;
  /* Optional arguments */
  clib_error_t *error = 0;
  u32 sw_if_index = ~0;

  /* Get a line of input. */
  if (!unformat_user(input, unformat_line_input, line_input))
    return 0;
  while (unformat_check_input(line_input) != UNFORMAT_END_OF_INPUT) {
    if (unformat(line_input, "sw_if_index %d", &sw_if_index))
      num_m_args++;
    else {
      error = clib_error_return(0, "unknown input `%U'", format_unformat_error,
                                line_input);
      goto done;
    }
  }

  if (num_m_args < 1) {
    error = clib_error_return(0, "mandatory argument(s) missing");
    goto done;
  }
  int rv = sixrd_del_tunnel(sw_if_index);
  printf("RV %d\n", rv);

done:
  unformat_free(line_input);

  return error;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND(create_sixrd_tunnel_command, static) = {
    .path = "create 6rd tunnel",
    .short_help = "create 6rd tunnel ip6-pfx <ip6-pfx> ip4-pfx <ip4-pfx> "
                  "ip4-src <ip4-addr> ip4-table-id <ID> ip6-table-id <ID> "
                  "[security-check]",
    .function = create_sixrd_tunnel_command_fn,
};
VLIB_CLI_COMMAND(delete_sixrd_tunnel_command, static) = {
    .path = "delete 6rd tunnel",
    .short_help = "delete 6rd tunnel sw_if_index <sw_if_index>",
    .function = delete_sixrd_tunnel_command_fn,
};
/* *INDENT-ON* */