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
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
|
/*
* Copyright (c) 2015 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.
*/
/*
* ip/ip_lookup.c: ip4/6 adjacency and lookup table managment
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <vnet/ip/ip.h>
#include <vnet/adj/adj.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/mpls/mpls.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/dpo/drop_dpo.h>
#include <vnet/dpo/classify_dpo.h>
#include <vnet/dpo/punt_dpo.h>
#include <vnet/dpo/receive_dpo.h>
#include <vnet/dpo/ip_null_dpo.h>
#include <vnet/dpo/l3_proxy_dpo.h>
#include <vnet/ip/ip6_neighbor.h>
#include <vnet/ethernet/arp.h>
/**
* @file
* @brief IPv4 and IPv6 adjacency and lookup table managment.
*
*/
clib_error_t *
ip_interface_address_add_del (ip_lookup_main_t * lm,
u32 sw_if_index,
void *addr_fib,
u32 address_length,
u32 is_del, u32 * result_if_address_index)
{
vnet_main_t *vnm = vnet_get_main ();
ip_interface_address_t *a, *prev, *next;
uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib);
vec_validate_init_empty (lm->if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
a = p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0;
/* Verify given length. */
if ((a && (address_length != a->address_length)) ||
(address_length == 0) ||
(lm->is_ip6 && address_length > 128) ||
(!lm->is_ip6 && address_length > 32))
{
vnm->api_errno = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
return clib_error_create
("%U wrong length (expected %d) for interface %U",
lm->format_address_and_length, addr_fib,
address_length, a ? a->address_length : -1,
format_vnet_sw_if_index_name, vnm, sw_if_index);
}
if (is_del)
{
if (!a)
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
vnm->api_errno = VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
return clib_error_create ("%U not found for interface %U",
lm->format_address_and_length,
addr_fib, address_length,
format_vnet_sw_interface_name, vnm, si);
}
if (a->prev_this_sw_interface != ~0)
{
prev =
pool_elt_at_index (lm->if_address_pool,
a->prev_this_sw_interface);
prev->next_this_sw_interface = a->next_this_sw_interface;
}
if (a->next_this_sw_interface != ~0)
{
next =
pool_elt_at_index (lm->if_address_pool,
a->next_this_sw_interface);
next->prev_this_sw_interface = a->prev_this_sw_interface;
if (a->prev_this_sw_interface == ~0)
lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
a->next_this_sw_interface;
}
if ((a->next_this_sw_interface == ~0)
&& (a->prev_this_sw_interface == ~0))
lm->if_address_pool_index_by_sw_if_index[sw_if_index] = ~0;
mhash_unset (&lm->address_to_if_address_index, addr_fib,
/* old_value */ 0);
pool_put (lm->if_address_pool, a);
if (result_if_address_index)
*result_if_address_index = ~0;
}
else if (!a)
{
u32 pi; /* previous index */
u32 ai;
u32 hi; /* head index */
pool_get (lm->if_address_pool, a);
clib_memset (a, ~0, sizeof (a[0]));
ai = a - lm->if_address_pool;
hi = pi = lm->if_address_pool_index_by_sw_if_index[sw_if_index];
prev = 0;
while (pi != (u32) ~ 0)
{
prev = pool_elt_at_index (lm->if_address_pool, pi);
pi = prev->next_this_sw_interface;
}
pi = prev ? prev - lm->if_address_pool : (u32) ~ 0;
a->address_key = mhash_set (&lm->address_to_if_address_index,
addr_fib, ai, /* old_value */ 0);
a->address_length = address_length;
a->sw_if_index = sw_if_index;
a->flags = 0;
a->prev_this_sw_interface = pi;
a->next_this_sw_interface = ~0;
if (prev)
prev->next_this_sw_interface = ai;
lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
(hi != ~0) ? hi : ai;
if (result_if_address_index)
*result_if_address_index = ai;
}
else
{
if (sw_if_index != a->sw_if_index)
{
if (result_if_address_index)
*result_if_address_index = ~0;
vnm->api_errno = VNET_API_ERROR_DUPLICATE_IF_ADDRESS;
return clib_error_create
("Prefix %U already found on interface %U",
lm->format_address_and_length, addr_fib, address_length,
format_vnet_sw_if_index_name, vnm, a->sw_if_index);
}
if (result_if_address_index)
*result_if_address_index = a - lm->if_address_pool;
}
return /* no error */ 0;
}
static clib_error_t *
ip_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
vec_validate_init_empty (ip4_main.
lookup_main.if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
vec_validate_init_empty (ip6_main.
lookup_main.if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
return (NULL);
}
VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip_sw_interface_add_del);
void
ip_lookup_init (ip_lookup_main_t * lm, u32 is_ip6)
{
if (!lm->fib_result_n_bytes)
lm->fib_result_n_bytes = sizeof (uword);
lm->is_ip6 = is_ip6;
mhash_init (&lm->prefix_to_if_prefix_index, sizeof (uword),
sizeof (ip_interface_prefix_key_t));
if (is_ip6)
{
lm->format_address_and_length = format_ip6_address_and_length;
mhash_init (&lm->address_to_if_address_index, sizeof (uword),
sizeof (ip6_address_fib_t));
}
else
{
lm->format_address_and_length = format_ip4_address_and_length;
mhash_init (&lm->address_to_if_address_index, sizeof (uword),
sizeof (ip4_address_fib_t));
}
{
int i;
/* Setup all IP protocols to be punted and builtin-unknown. */
for (i = 0; i < 256; i++)
{
lm->local_next_by_ip_protocol[i] = IP_LOCAL_NEXT_PUNT;
lm->builtin_protocol_by_ip_protocol[i] = IP_BUILTIN_PROTOCOL_UNKNOWN;
}
lm->local_next_by_ip_protocol[IP_PROTOCOL_UDP] = IP_LOCAL_NEXT_UDP_LOOKUP;
lm->local_next_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
IP_PROTOCOL_ICMP] = IP_LOCAL_NEXT_ICMP;
lm->builtin_protocol_by_ip_protocol[IP_PROTOCOL_UDP] =
IP_BUILTIN_PROTOCOL_UDP;
lm->builtin_protocol_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
IP_PROTOCOL_ICMP] =
IP_BUILTIN_PROTOCOL_ICMP;
}
}
u8 *
format_ip_flow_hash_config (u8 * s, va_list * args)
{
flow_hash_config_t flow_hash_config = va_arg (*args, u32);
#define _(n,v) if (flow_hash_config & v) s = format (s, "%s ", #n);
foreach_flow_hash_bit;
#undef _
return s;
}
u8 *
format_ip_adjacency_packet_data (u8 * s, va_list * args)
{
u32 adj_index = va_arg (*args, u32);
u8 *packet_data = va_arg (*args, u8 *);
u32 n_packet_data_bytes = va_arg (*args, u32);
ip_adjacency_t *adj;
if (!adj_is_valid (adj_index))
return format (s, "<invalid adjacency>");
adj = adj_get (adj_index);
switch (adj->lookup_next_index)
{
case IP_LOOKUP_NEXT_REWRITE:
case IP_LOOKUP_NEXT_MCAST:
s =
format (s, "%U", format_hex_bytes, packet_data, n_packet_data_bytes);
break;
default:
break;
}
return s;
}
static uword
unformat_dpo (unformat_input_t * input, va_list * args)
{
dpo_id_t *dpo = va_arg (*args, dpo_id_t *);
fib_protocol_t fp = va_arg (*args, int);
dpo_proto_t proto;
proto = fib_proto_to_dpo (fp);
if (unformat (input, "drop"))
dpo_copy (dpo, drop_dpo_get (proto));
else if (unformat (input, "punt"))
dpo_copy (dpo, punt_dpo_get (proto));
else if (unformat (input, "local"))
receive_dpo_add_or_lock (proto, ~0, NULL, dpo);
else if (unformat (input, "null-send-unreach"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_UNREACH, dpo);
else if (unformat (input, "null-send-prohibit"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_PROHIBIT, dpo);
else if (unformat (input, "null"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_NONE, dpo);
else if (unformat (input, "classify"))
{
u32 classify_table_index;
if (!unformat (input, "%d", &classify_table_index))
{
clib_warning ("classify adj must specify table index");
return 0;
}
dpo_set (dpo, DPO_CLASSIFY, proto,
classify_dpo_create (proto, classify_table_index));
}
else
return 0;
return 1;
}
const ip46_address_t zero_addr = {
.as_u64 = {
0, 0},
};
static clib_error_t *
vnet_ip_route_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 table_id, is_del, fib_index, payload_proto;
dpo_id_t dpo = DPO_INVALID, *dpos = NULL;
fib_route_path_t *rpaths = NULL, rpath;
fib_prefix_t *prefixs = NULL, pfx;
clib_error_t *error = NULL;
f64 count;
int i;
is_del = 0;
table_id = 0;
count = 1;
clib_memset (&pfx, 0, sizeof (pfx));
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
clib_memset (&rpath, 0, sizeof (rpath));
if (unformat (line_input, "table %d", &table_id))
;
else if (unformat (line_input, "count %f", &count))
;
else if (unformat (line_input, "%U/%d",
unformat_ip4_address, &pfx.fp_addr.ip4, &pfx.fp_len))
{
payload_proto = pfx.fp_proto = FIB_PROTOCOL_IP4;
vec_add1 (prefixs, pfx);
}
else if (unformat (line_input, "%U/%d",
unformat_ip6_address, &pfx.fp_addr.ip6, &pfx.fp_len))
{
payload_proto = pfx.fp_proto = FIB_PROTOCOL_IP6;
vec_add1 (prefixs, pfx);
}
else if (unformat (line_input, "via %U",
unformat_fib_route_path, &rpath, &payload_proto))
{
vec_add1 (rpaths, rpath);
}
else if (vec_len (prefixs) > 0 &&
unformat (line_input, "via %U",
unformat_dpo, &dpo, prefixs[0].fp_proto))
{
vec_add1 (dpos, dpo);
}
else if (unformat (line_input, "del"))
is_del = 1;
else if (unformat (line_input, "add"))
is_del = 0;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (vec_len (prefixs) == 0)
{
error =
clib_error_return (0, "expected ip4/ip6 destination address/length.");
goto done;
}
if (!is_del && vec_len (rpaths) + vec_len (dpos) == 0)
{
error = clib_error_return (0, "expected paths.");
goto done;
}
if (~0 == table_id)
{
/*
* if no table_id is passed we will manipulate the default
*/
fib_index = 0;
}
else
{
fib_index = fib_table_find (prefixs[0].fp_proto, table_id);
if (~0 == fib_index)
{
error = clib_error_return (0, "Nonexistent table id %d", table_id);
goto done;
}
}
for (i = 0; i < vec_len (prefixs); i++)
{
if (is_del && 0 == vec_len (rpaths))
{
fib_table_entry_delete (fib_index, &prefixs[i], FIB_SOURCE_CLI);
}
else if (!is_del && 1 == vec_len (dpos))
{
fib_table_entry_special_dpo_add (fib_index,
&prefixs[i],
FIB_SOURCE_CLI,
FIB_ENTRY_FLAG_EXCLUSIVE,
&dpos[0]);
dpo_reset (&dpos[0]);
}
else if (vec_len (dpos) > 0)
{
error =
clib_error_return (0,
"Load-balancing over multiple special adjacencies is unsupported");
goto done;
}
else if (0 < vec_len (rpaths))
{
u32 k, n, incr;
ip46_address_t dst = prefixs[i].fp_addr;
f64 t[2];
n = count;
t[0] = vlib_time_now (vm);
incr = 1 << ((FIB_PROTOCOL_IP4 == prefixs[0].fp_proto ? 32 : 128) -
prefixs[i].fp_len);
for (k = 0; k < n; k++)
{
fib_prefix_t rpfx = {
.fp_len = prefixs[i].fp_len,
.fp_proto = prefixs[i].fp_proto,
.fp_addr = dst,
};
if (is_del)
fib_table_entry_path_remove2 (fib_index,
&rpfx, FIB_SOURCE_CLI, rpaths);
else
fib_table_entry_path_add2 (fib_index,
&rpfx,
FIB_SOURCE_CLI,
FIB_ENTRY_FLAG_NONE, rpaths);
if (FIB_PROTOCOL_IP4 == prefixs[0].fp_proto)
{
dst.ip4.as_u32 =
clib_host_to_net_u32 (incr +
clib_net_to_host_u32 (dst.
ip4.as_u32));
}
else
{
int bucket = (incr < 64 ? 0 : 1);
dst.ip6.as_u64[bucket] =
clib_host_to_net_u64 (incr +
clib_net_to_host_u64 (dst.ip6.as_u64
[bucket]));
}
}
t[1] = vlib_time_now (vm);
if (count > 1)
vlib_cli_output (vm, "%.6e routes/sec", count / (t[1] - t[0]));
}
else
{
error = clib_error_return (0, "Don't understand what you want...");
goto done;
}
}
done:
vec_free (dpos);
vec_free (prefixs);
vec_free (rpaths);
unformat_free (line_input);
return error;
}
clib_error_t *
vnet_ip_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input,
vlib_cli_command_t * cmd, fib_protocol_t fproto)
{
unformat_input_t _line_input, *line_input = &_line_input;
clib_error_t *error = NULL;
u32 table_id, is_add;
u8 *name = NULL;
is_add = 1;
table_id = ~0;
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%d", &table_id))
;
else if (unformat (line_input, "del"))
is_add = 0;
else if (unformat (line_input, "add"))
is_add = 1;
else if (unformat (line_input, "name %s", &name))
;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (~0 == table_id)
{
error = clib_error_return (0, "No table id");
goto done;
}
else if (0 == table_id)
{
error = clib_error_return (0, "Can't change the default table");
goto done;
}
else
{
if (is_add)
{
ip_table_create (fproto, table_id, 0, name);
}
else
{
ip_table_delete (fproto, table_id, 0);
}
}
done:
unformat_free (line_input);
return error;
}
clib_error_t *
vnet_ip4_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP4));
}
clib_error_t *
vnet_ip6_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP6));
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_ip_command, static) = {
.path = "ip",
.short_help = "Internet protocol (IP) commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_ip6_command, static) = {
.path = "ip6",
.short_help = "Internet protocol version 6 (IPv6) commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_ip_command, static) = {
.path = "show ip",
.short_help = "Internet protocol (IP) show commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_ip6_command, static) = {
.path = "show ip6",
.short_help = "Internet protocol version 6 (IPv6) show commands",
};
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 or IPv6 routes. All
* IP Addresses ('<em><dst-ip-addr>/<width></em>',
* '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
* can be IPv4 or IPv6, but all must be of the same form in a single
* command. To display the current set of routes, use the commands
* '<em>show ip fib</em>' and '<em>show ip6 fib</em>'.
*
* @cliexpar
* Example of how to add a straight forward static route:
* @cliexcmd{ip route add 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
* Example of how to delete a straight forward static route:
* @cliexcmd{ip route del 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
* Mainly for route add/del performance testing, one can add or delete
* multiple routes by adding 'count N' to the previous item:
* @cliexcmd{ip route add count 10 7.0.0.0/24 via 6.0.0.1 GigabitEthernet2/0/0}
* Add multiple routes for the same destination to create equal-cost multipath:
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0}
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0}
* For unequal-cost multipath, specify the desired weights. This
* combination of weights results in 3/4 of the traffic following the
* second path, 1/4 following the first path:
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0 weight 1}
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0 weight 3}
* To add a route to a particular FIB table (VRF), use:
* @cliexcmd{ip route add 172.16.24.0/24 table 7 via GigabitEthernet2/0/0}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_route_command, static) = {
.path = "ip route",
.short_help = "ip route [add|del] [count <n>] <dst-ip-addr>/<width> [table <table-id>] via [next-hop-address] [next-hop-interface] [next-hop-table <value>] [weight <value>] [preference <value>] [udp-encap-id <value>] [ip4-lookup-in-table <value>] [ip6-lookup-in-table <value>] [mpls-lookup-in-table <value>] [resolve-via-host] [resolve-via-connected] [rx-ip4 <interface>] [out-labels <value value value>]",
.function = vnet_ip_route_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 Tables. All
* Tables must be explicitly added before that can be used. Creating a
* table will add both unicast and multicast FIBs
*
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip4_table_command, static) = {
.path = "ip table",
.short_help = "ip table [add|del] <table-id>",
.function = vnet_ip4_table_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 Tables. All
* Tables must be explicitly added before that can be used. Creating a
* table will add both unicast and multicast FIBs
*
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip6_table_command, static) = {
.path = "ip6 table",
.short_help = "ip6 table [add|del] <table-id>",
.function = vnet_ip6_table_cmd,
.is_mp_safe = 1,
};
static clib_error_t *
ip_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd,
fib_protocol_t fproto)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error = 0;
u32 sw_if_index, table_id;
int rv;
sw_if_index = ~0;
if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
format_unformat_error, input);
goto done;
}
if (unformat (input, "%d", &table_id))
;
else
{
error = clib_error_return (0, "expected table id `%U'",
format_unformat_error, input);
goto done;
}
rv = ip_table_bind (fproto, sw_if_index, table_id, 0);
if (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE == rv)
{
error = clib_error_return (0, "IP addresses are still present on %U",
format_vnet_sw_if_index_name,
vnet_get_main(),
sw_if_index);
}
else if (VNET_API_ERROR_NO_SUCH_FIB == rv)
{
error = clib_error_return (0, "no such table %d", table_id);
}
else if (0 != rv)
{
error = clib_error_return (0, "unknown error");
}
done:
return error;
}
static clib_error_t *
ip4_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP4));
}
static clib_error_t *
ip6_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP6));
}
/*?
* Place the indicated interface into the supplied IPv4 FIB table (also known
* as a VRF). The FIB table must be created using "ip table add" already. To
* display the current IPv4 FIB table, use the command '<em>show ip fib</em>'.
* FIB table will only be displayed if a route has been added to the table, or
* an IP Address is assigned to an interface in the table (which adds a route
* automatically).
*
* @note IP addresses added after setting the interface IP table are added to
* the indicated FIB table. If an IP address is added prior to changing the
* table then this is an error. The control plane must remove these addresses
* first and then change the table. VPP will not automatically move the
* addresses from the old to the new table as it does not know the validity
* of such a change.
*
* @cliexpar
* Example of how to add an interface to an IPv4 FIB table (where 2 is the table-id):
* @cliexcmd{set interface ip table GigabitEthernet2/0/0 2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_interface_ip_table_command, static) =
{
.path = "set interface ip table",
.function = ip4_table_bind_cmd,
.short_help = "set interface ip table <interface> <table-id>",
};
/* *INDENT-ON* */
/*?
* Place the indicated interface into the supplied IPv6 FIB table (also known
* as a VRF). The FIB table must be created using "ip6 table add" already. To
* display the current IPv6 FIB table, use the command '<em>show ip6 fib</em>'.
* FIB table will only be displayed if a route has been added to the table, or
* an IP Address is assigned to an interface in the table (which adds a route
* automatically).
*
* @note IP addresses added after setting the interface IP table are added to
* the indicated FIB table. If an IP address is added prior to changing the
* table then this is an error. The control plane must remove these addresses
* first and then change the table. VPP will not automatically move the
* addresses from the old to the new table as it does not know the validity
* of such a change.
*
* @cliexpar
* Example of how to add an interface to an IPv6 FIB table (where 2 is the table-id):
* @cliexcmd{set interface ip6 table GigabitEthernet2/0/0 2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_interface_ip6_table_command, static) =
{
.path = "set interface ip6 table",
.function = ip6_table_bind_cmd,
.short_help = "set interface ip6 table <interface> <table-id>"
};
/* *INDENT-ON* */
clib_error_t *
vnet_ip_mroute_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
fib_route_path_t rpath, *rpaths = NULL;
clib_error_t *error = NULL;
u32 table_id, is_del, payload_proto;
mfib_prefix_t pfx;
u32 fib_index;
mfib_entry_flags_t eflags = 0;
u32 gcount, scount, ss, gg, incr;
f64 timet[2];
u32 rpf_id = MFIB_RPF_ID_NONE;
gcount = scount = 1;
is_del = 0;
table_id = 0;
clib_memset (&pfx, 0, sizeof (pfx));
clib_memset (&rpath, 0, sizeof (rpath));
rpath.frp_sw_if_index = ~0;
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "table %d", &table_id))
;
else if (unformat (line_input, "del"))
is_del = 1;
else if (unformat (line_input, "add"))
is_del = 0;
else if (unformat (line_input, "rpf-id %d", &rpf_id))
;
else if (unformat (line_input, "scount %d", &scount))
;
else if (unformat (line_input, "gcount %d", &gcount))
;
else if (unformat (line_input, "%U %U",
unformat_ip4_address,
&pfx.fp_src_addr.ip4,
unformat_ip4_address, &pfx.fp_grp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 64;
}
else if (unformat (line_input, "%U %U",
unformat_ip6_address,
&pfx.fp_src_addr.ip6,
unformat_ip6_address, &pfx.fp_grp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 256;
}
else if (unformat (line_input, "%U/%d",
unformat_ip4_address,
&pfx.fp_grp_addr.ip4, &pfx.fp_len))
{
clib_memset (&pfx.fp_src_addr.ip4, 0, sizeof (pfx.fp_src_addr.ip4));
pfx.fp_proto = FIB_PROTOCOL_IP4;
}
else if (unformat (line_input, "%U/%d",
unformat_ip6_address,
&pfx.fp_grp_addr.ip6, &pfx.fp_len))
{
clib_memset (&pfx.fp_src_addr.ip6, 0, sizeof (pfx.fp_src_addr.ip6));
pfx.fp_proto = FIB_PROTOCOL_IP6;
}
else if (unformat (line_input, "%U",
unformat_ip4_address, &pfx.fp_grp_addr.ip4))
{
clib_memset (&pfx.fp_src_addr.ip4, 0, sizeof (pfx.fp_src_addr.ip4));
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_grp_addr.ip6))
{
clib_memset (&pfx.fp_src_addr.ip6, 0, sizeof (pfx.fp_src_addr.ip6));
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
}
else if (unformat (line_input, "via local Forward"))
{
clib_memset (&rpath.frp_addr, 0, sizeof (rpath.frp_addr));
rpath.frp_sw_if_index = ~0;
rpath.frp_weight = 1;
rpath.frp_flags |= FIB_ROUTE_PATH_LOCAL;
/*
* set the path proto appropriately for the prefix
*/
rpath.frp_proto = fib_proto_to_dpo (pfx.fp_proto);
rpath.frp_mitf_flags = MFIB_ITF_FLAG_FORWARD;
vec_add1 (rpaths, rpath);
}
else if (unformat (line_input, "via %U",
unformat_fib_route_path, &rpath, &payload_proto))
{
vec_add1 (rpaths, rpath);
}
else if (unformat (line_input, "%U",
unformat_mfib_itf_flags, &rpath.frp_mitf_flags))
;
else if (unformat (line_input, "%U",
unformat_mfib_entry_flags, &eflags))
;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (~0 == table_id)
{
/*
* if no table_id is passed we will manipulate the default
*/
fib_index = 0;
}
else
{
fib_index = mfib_table_find (pfx.fp_proto, table_id);
if (~0 == fib_index)
{
error = clib_error_return (0, "Nonexistent table id %d", table_id);
goto done;
}
}
timet[0] = vlib_time_now (vm);
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
incr = 1 << (32 - (pfx.fp_len % 32));
}
else
{
incr = 1 << (128 - (pfx.fp_len % 128));
}
for (ss = 0; ss < scount; ss++)
{
for (gg = 0; gg < gcount; gg++)
{
if (is_del && 0 == vec_len (rpaths))
{
/* no path provided => route delete */
mfib_table_entry_delete (fib_index, &pfx, MFIB_SOURCE_CLI);
}
else if (eflags || (MFIB_RPF_ID_NONE != rpf_id))
{
mfib_table_entry_update (fib_index, &pfx, MFIB_SOURCE_CLI,
rpf_id, eflags);
}
else
{
if (is_del)
mfib_table_entry_path_remove (fib_index,
&pfx, MFIB_SOURCE_CLI, rpaths);
else
mfib_table_entry_path_update (fib_index,
&pfx, MFIB_SOURCE_CLI, rpaths);
}
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
pfx.fp_grp_addr.ip4.as_u32 =
clib_host_to_net_u32 (incr +
clib_net_to_host_u32 (pfx.
fp_grp_addr.ip4.
as_u32));
}
else
{
int bucket = (incr < 64 ? 0 : 1);
pfx.fp_grp_addr.ip6.as_u64[bucket] =
clib_host_to_net_u64 (incr +
clib_net_to_host_u64 (pfx.
fp_grp_addr.ip6.as_u64
[bucket]));
}
}
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
pfx.fp_src_addr.ip4.as_u32 =
clib_host_to_net_u32 (1 +
clib_net_to_host_u32 (pfx.fp_src_addr.
ip4.as_u32));
}
else
{
pfx.fp_src_addr.ip6.as_u64[1] =
clib_host_to_net_u64 (1 +
clib_net_to_host_u64 (pfx.fp_src_addr.
ip6.as_u64[1]));
}
}
timet[1] = vlib_time_now (vm);
if (scount > 1 || gcount > 1)
vlib_cli_output (vm, "%.6e routes/sec",
(scount * gcount) / (timet[1] - timet[0]));
done:
vec_free (rpaths);
unformat_free (line_input);
return error;
}
/*?
* This command is used to add or delete IPv4 or IPv6 multicastroutes. All
* IP Addresses ('<em><dst-ip-addr>/<width></em>',
* '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
* can be IPv4 or IPv6, but all must be of the same form in a single
* command. To display the current set of routes, use the commands
* '<em>show ip mfib</em>' and '<em>show ip6 mfib</em>'.
* The full set of support flags for interfaces and route is shown via;
* '<em>show mfib route flags</em>' and '<em>show mfib itf flags</em>'
* respectively.
* @cliexpar
* Example of how to add a forwarding interface to a route (and create the
* route if it does not exist)
* @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/0 Forward}
* Example of how to add an accepting interface to a route (and create the
* route if it does not exist)
* @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/1 Accept}
* Example of changing the route's flags to send signals via the API
* @cliexcmd{ip mroute add 232.1.1.1 Signal}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_mroute_command, static) =
{
.path = "ip mroute",
.short_help = "ip mroute [add|del] <dst-ip-addr>/<width> [table <table-id>] [rpf-id <ID>] [via <next-hop-ip-addr> [<interface>],",
.function = vnet_ip_mroute_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*
* The next two routines address a longstanding script hemorrhoid.
* Probing a v4 or v6 neighbor needs to appear to be synchronous,
* or dependent route-adds will simply fail.
*/
static clib_error_t *
ip6_probe_neighbor_wait (vlib_main_t * vm, ip6_address_t * a, u32 sw_if_index,
int retry_count)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *e;
int i;
int resolved = 0;
uword event_type;
uword *event_data = 0;
ASSERT (vlib_in_process_context (vm));
if (retry_count > 0)
vnet_register_ip6_neighbor_resolution_event
(vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
1 /* event */ , 0 /* data */ );
for (i = 0; i < retry_count; i++)
{
/* The interface may be down, etc. */
e = ip6_probe_neighbor (vm, a, sw_if_index, 0);
if (e)
return e;
vlib_process_wait_for_event_or_clock (vm, 1.0);
event_type = vlib_process_get_events (vm, &event_data);
switch (event_type)
{
case 1: /* resolved... */
vlib_cli_output (vm, "Resolved %U", format_ip6_address, a);
resolved = 1;
goto done;
case ~0: /* timeout */
break;
default:
clib_warning ("unknown event_type %d", event_type);
}
vec_reset_length (event_data);
}
done:
if (!resolved)
return clib_error_return (0, "Resolution failed for %U",
format_ip6_address, a);
return 0;
}
static clib_error_t *
ip4_probe_neighbor_wait (vlib_main_t * vm, ip4_address_t * a, u32 sw_if_index,
int retry_count)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *e;
int i;
int resolved = 0;
uword event_type;
uword *event_data = 0;
ASSERT (vlib_in_process_context (vm));
if (retry_count > 0)
vnet_register_ip4_arp_resolution_event
(vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
1 /* event */ , 0 /* data */ );
for (i = 0; i < retry_count; i++)
{
/* The interface may be down, etc. */
e = ip4_probe_neighbor (vm, a, sw_if_index, 0);
if (e)
return e;
vlib_process_wait_for_event_or_clock (vm, 1.0);
event_type = vlib_process_get_events (vm, &event_data);
switch (event_type)
{
case 1: /* resolved... */
vlib_cli_output (vm, "Resolved %U", format_ip4_address, a);
resolved = 1;
goto done;
case ~0: /* timeout */
break;
default:
clib_warning ("unknown event_type %d", event_type);
}
vec_reset_length (event_data);
}
done:
vec_reset_length (event_data);
if (!resolved)
return clib_error_return (0, "Resolution failed for %U",
format_ip4_address, a);
return 0;
}
static clib_error_t *
probe_neighbor_address (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
unformat_input_t _line_input, *line_input = &_line_input;
ip4_address_t a4;
ip6_address_t a6;
clib_error_t *error = 0;
u32 sw_if_index = ~0;
int retry_count = 3;
int is_ip4 = 1;
int address_set = 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_user (line_input, unformat_vnet_sw_interface, vnm,
&sw_if_index))
;
else if (unformat (line_input, "retry %d", &retry_count))
;
else if (unformat (line_input, "%U", unformat_ip4_address, &a4))
address_set++;
else if (unformat (line_input, "%U", unformat_ip6_address, &a6))
{
address_set++;
is_ip4 = 0;
}
else
{
error = clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input);
goto done;
}
}
if (sw_if_index == ~0)
{
error = clib_error_return (0, "Interface required, not set.");
goto done;
}
if (address_set == 0)
{
error = clib_error_return (0, "ip address required, not set.");
goto done;
}
if (address_set > 1)
{
error = clib_error_return (0, "Multiple ip addresses not supported.");
goto done;
}
if (is_ip4)
error = ip4_probe_neighbor_wait (vm, &a4, sw_if_index, retry_count);
else
error = ip6_probe_neighbor_wait (vm, &a6, sw_if_index, retry_count);
done:
unformat_free (line_input);
return error;
}
/*?
* The '<em>ip probe-neighbor</em>' command ARPs for IPv4 addresses or
* attempts IPv6 neighbor discovery depending on the supplied IP address
* format.
*
* @note This command will not immediately affect the indicated FIB; it
* is not suitable for use in establishing a FIB entry prior to adding
* recursive FIB entries. As in: don't use it in a script to probe a
* gateway prior to adding a default route. It won't work. Instead,
* configure a static ARP cache entry [see '<em>set ip arp</em>'], or
* a static IPv6 neighbor [see '<em>set ip6 neighbor</em>'].
*
* @cliexpar
* Example of probe for an IPv4 address:
* @cliexcmd{ip probe-neighbor GigabitEthernet2/0/0 172.16.1.2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_probe_neighbor_command, static) = {
.path = "ip probe-neighbor",
.function = probe_neighbor_address,
.short_help = "ip probe-neighbor <interface> <ip4-addr> | <ip6-addr> [retry nn]",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
clib_error_t *
vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args)
{
u32 fib_index;
if (!vnet_sw_interface_is_api_valid (vnet_get_main (), args->sw_if_index))
return clib_error_return_code (0, VNET_API_ERROR_INVALID_INTERFACE, 0,
"invalid sw_if_index");
fib_index = fib_table_get_table_id_for_sw_if_index (args->prefix.fp_proto,
args->sw_if_index);
if (args->is_add)
{
dpo_id_t proxy_dpo = DPO_INVALID;
l3_proxy_dpo_add_or_lock (fib_proto_to_dpo (args->prefix.fp_proto),
args->sw_if_index, &proxy_dpo);
fib_table_entry_special_dpo_add (fib_index,
&args->prefix,
FIB_SOURCE_PROXY,
FIB_ENTRY_FLAG_EXCLUSIVE, &proxy_dpo);
dpo_reset (&proxy_dpo);
}
else
{
fib_table_entry_special_remove (fib_index, &args->prefix,
FIB_SOURCE_PROXY);
}
return 0;
}
u8
ip_container_proxy_is_set (fib_prefix_t * pfx, u32 sw_if_index)
{
u32 fib_index;
fib_node_index_t fei;
const dpo_id_t *dpo;
l3_proxy_dpo_t *l3p;
load_balance_t *lb0;
fib_index = fib_table_get_table_id_for_sw_if_index (pfx->fp_proto,
sw_if_index);
if (fib_index == ~0)
return 0;
fei = fib_table_lookup_exact_match (fib_index, pfx);
if (fei == FIB_NODE_INDEX_INVALID)
return 0;
dpo = fib_entry_contribute_ip_forwarding (fei);
lb0 = load_balance_get (dpo->dpoi_index);
dpo = load_balance_get_bucket_i (lb0, 0);
if (dpo->dpoi_type != DPO_L3_PROXY)
return 0;
l3p = l3_proxy_dpo_get (dpo->dpoi_index);
return (l3p->l3p_sw_if_index == sw_if_index);
}
typedef struct ip_container_proxy_walk_ctx_t_
{
ip_container_proxy_cb_t cb;
void *ctx;
} ip_container_proxy_walk_ctx_t;
static fib_table_walk_rc_t
ip_container_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
{
ip_container_proxy_walk_ctx_t *ctx = arg;
const fib_prefix_t *pfx;
const dpo_id_t *dpo;
load_balance_t *lb;
l3_proxy_dpo_t *l3p;
pfx = fib_entry_get_prefix (fei);
if (fib_entry_is_sourced (fei, FIB_SOURCE_PROXY))
{
dpo = fib_entry_contribute_ip_forwarding (fei);
lb = load_balance_get (dpo->dpoi_index);
dpo = load_balance_get_bucket_i (lb, 0);
l3p = l3_proxy_dpo_get (dpo->dpoi_index);
ctx->cb (pfx, l3p->l3p_sw_if_index, ctx->ctx);
}
return FIB_TABLE_WALK_CONTINUE;
}
void
ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx)
{
fib_table_t *fib_table;
ip_container_proxy_walk_ctx_t wctx = {
.cb = cb,
.ctx = ctx,
};
/* *INDENT-OFF* */
pool_foreach (fib_table, ip4_main.fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP4,
ip_container_proxy_fib_table_walk,
&wctx);
}));
pool_foreach (fib_table, ip6_main.fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP6,
ip_container_proxy_fib_table_walk,
&wctx);
}));
/* *INDENT-ON* */
}
clib_error_t *
ip_container_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
fib_prefix_t pfx;
u32 is_del, addr_set = 0;
vnet_main_t *vnm;
u32 sw_if_index;
vnm = vnet_get_main ();
is_del = 0;
sw_if_index = ~0;
clib_memset (&pfx, 0, sizeof (pfx));
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
addr_set = 1;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
addr_set = 1;
}
else if (unformat (line_input, "%U",
unformat_vnet_sw_interface, vnm, &sw_if_index))
;
else if (unformat (line_input, "del"))
is_del = 1;
else
{
unformat_free (line_input);
return (clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input));
}
}
if (~0 == sw_if_index || !addr_set)
{
unformat_free (line_input);
vlib_cli_output (vm, "interface and address must be set");
return 0;
}
vnet_ip_container_proxy_args_t args = {
.prefix = pfx,
.sw_if_index = sw_if_index,
.is_add = !is_del,
};
vnet_ip_container_proxy_add_del (&args);
unformat_free (line_input);
return (NULL);
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_container_command_node, static) = {
.path = "ip container",
.function = ip_container_cmd,
.short_help = "ip container <address> <interface>",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
clib_error_t *
show_ip_container_cmd_fn (vlib_main_t * vm, unformat_input_t * main_input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
vnet_main_t *vnm = vnet_get_main ();
fib_prefix_t pfx;
u32 sw_if_index = ~0;
u8 has_proxy;
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
}
else if (unformat (line_input, "%U",
unformat_vnet_sw_interface, vnm, &sw_if_index))
;
else
{
unformat_free (line_input);
return (clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input));
}
}
if (~0 == sw_if_index)
{
unformat_free (line_input);
vlib_cli_output (vm, "no interface");
return (clib_error_return (0, "no interface"));
}
has_proxy = ip_container_proxy_is_set (&pfx, sw_if_index);
vlib_cli_output (vm, "ip container proxy is: %s", has_proxy ? "on" : "off");
unformat_free (line_input);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ip_container_command, static) = {
.path = "show ip container",
.function = show_ip_container_cmd_fn,
.short_help = "show ip container <address> <interface>",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|