2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
17 #include <vppinfra/error.h>
18 #include <vnet/lisp-cp/lisp_cp_messages.h>
19 #include <vnet/lisp-cp/control.h>
20 #include <vnet/lisp-cp/lisp_msg_serdes.h>
21 #include <vlibapi/api.h>
22 #include <vnet/lisp-cp/packets.h>
25 error = CLIB_ERROR_ASSERT (e); \
29 static void print_chunk(u8 * b, int * offset, int c, char * des)
31 int i, n = offset[0] + c;;
32 for (i = offset[0]; i < n; i++)
34 printf("0x%02x, ", b[i]);
36 printf(" // %s\n", des);
40 void print_map_request(map_request_hdr_t * h)
42 #define pchunk(_count, _desc) \
43 print_chunk((u8 *)h, &offset, _count, _desc)
49 pchunk(2, "Source-EID-AFI");
50 pchunk(4, "Source EID Address");
51 pchunk(2, "ITR-RLOC-AFI 1");
52 pchunk(4, "ITR-RLOC Address 1");
53 pchunk(2, "ITR-RLOC-AFI 2");
54 pchunk(16, "ITR-RLOC Address 2");
55 pchunk(1, "REC: reserved");
56 pchunk(1, "REC: EID mask-len");
57 pchunk(2, "REC: EID-prefix-AFI");
58 pchunk(4, "REC: EID-prefix");
62 static clib_error_t * test_lisp_msg_push_ecm ()
64 vlib_main_t * vm = vlib_get_main ();
65 clib_error_t * error = 0;
67 vlib_buffer_t * b = 0;
69 int lp = 0x15, rp = 0x14;
71 b = clib_mem_alloc (buff_len);
72 memset((u8 *)b, 0, buff_len);
73 b->current_length = buff_len;
74 b->current_data = sizeof(udp_header_t) + sizeof(ip4_header_t) +
75 sizeof(ecm_hdr_t) + 1;
77 la.type = GID_ADDR_IP_PREFIX;
78 la.ippref.addr.ip.v4.as_u32 = 0xa1b2c3d4;
79 la.ippref.addr.version = IP4;
81 ra.type = GID_ADDR_IP_PREFIX;
82 ra.ippref.addr.ip.v4.as_u32 = 0x90817263;
83 ra.ippref.addr.version = IP4;
85 ecm_hdr_t * lh = lisp_msg_push_ecm (vm, b, lp, rp, &la, &ra);
87 u8 expected_ecm_hdr[] = {
88 0x80, 0x00, 0x00, 0x00
90 _assert(0 == memcmp(expected_ecm_hdr, lh, sizeof(expected_ecm_hdr)));
92 ip4_header_t * ih = (ip4_header_t *) (lh + 1);
93 /* clear ip checksum */
94 memset((u8 *)ih + 10, 0, 2);
96 u8 expected_ip4_hdr[] = {
97 0x45, /* version; IHL */
99 0x03, 0xa0, /* total length */
100 0x00, 0x00, /* identification */
101 0x40, 0x00, /* flags; fragment offset*/
104 0x00, 0x00, /* header checksum */
105 0xd4, 0xc3, 0xb2, 0xa1, /* src IP */
106 0x63, 0x72, 0x81, 0x90, /* dst IP */
108 _assert(0 == memcmp(ih, expected_ip4_hdr, sizeof(expected_ip4_hdr)));
110 udp_header_t * uh = (udp_header_t *) (ih + 1);
111 /* clear udp checksum */
112 memset((u8 *)uh + 6, 0, 2);
114 u8 expected_udp_hdr[] = {
115 0x00, 0x15, /* src port */
116 0x00, 0x14, /* dst port */
117 0x03, 0x8c, /* length */
118 0x00, 0x00, /* checksum */
120 _assert(0 == memcmp(uh, expected_udp_hdr, sizeof(expected_udp_hdr)));
127 static clib_error_t * test_lisp_msg_parse_mapping_record ()
129 clib_error_t * error = 0;
131 locator_t * locs = 0;
132 vlib_buffer_t * b = 0;
136 b = clib_mem_alloc (buff_len);
137 memset((u8 *)b, 0, buff_len);
139 u8 map_reply_records[] = {
141 0x01, 0x02, 0x03, 0x04, /* record TTL */
142 0x01, /* locator count */
143 0x00, 0x00, 0x00, /* eid-mask-len; ... */
144 0x00, 0x00, /* reserved; map-version num */
145 0x00, 0x01, /* EID-Prefix-AFI */
146 0x33, 0x44, 0x55, 0x66, /* eid-prefix */
150 0x0c, /* m-prority */
152 0x00, 0x00, /* unused flags */
153 0x00, 0x01, /* Loc-AFI */
154 0xaa, 0xbb, 0xcc, 0xdd, /* Loator */
156 b->current_length = buff_len;
157 clib_memcpy(b->data, map_reply_records, sizeof(map_reply_records));
159 lisp_msg_parse_mapping_record (b, &eid, &locs, &probed);
160 _assert(vec_len (locs) == 1);
161 _assert(eid.ippref.addr.ip.v4.as_u32 == 0x66554433);
162 _assert(locs[0].local == 0);
163 _assert(locs[0].address.ippref.addr.ip.v4.as_u32 == 0xddccbbaa);
164 _assert(locs[0].address.type == GID_ADDR_IP_PREFIX);
165 _assert(locs[0].priority == 0xa);
166 _assert(locs[0].weight == 0xb);
167 _assert(locs[0].mpriority == 0xc);
168 _assert(locs[0].mweight == 0xd);
177 static map_request_hdr_t *
178 build_map_request (lisp_cp_main_t * lcm, vlib_buffer_t * b,
179 gid_address_t * rlocs)
181 gid_address_t _seid, * seid = &_seid;
182 gid_address_t _deid, * deid = &_deid;
183 u8 is_smr_invoked = 1;
185 map_request_hdr_t * h = 0;
186 memset (deid, 0, sizeof (deid[0]));
187 memset (seid, 0, sizeof (seid[0]));
189 gid_address_type (seid) = GID_ADDR_IP_PREFIX;
190 ip_address_t * ip_addr = &gid_address_ip (seid);
191 ip_addr_v4 (ip_addr).as_u32 = 0x12345678;
192 seid->ippref.addr.version = IP4;
194 gid_address_type (deid) = GID_ADDR_IP_PREFIX;
195 ip_address_t * ip_addr2 = &gid_address_ip (deid);
196 ip_addr_v4 (ip_addr2).as_u32 = 0x9abcdef0;
197 deid->ippref.addr.version = IP4;
198 gid_address_ippref_len (deid) = 24;
200 h = lisp_msg_put_mreq (lcm, b, seid, deid, rlocs,
201 is_smr_invoked, &nonce);
207 generate_rlocs (gid_address_t **rlocs, u32 * count)
209 gid_address_t gid_addr_data, * gid_addr = &gid_addr_data;
210 memset (gid_addr, 0, sizeof (gid_addr[0]));
211 ip_address_t * addr = &gid_address_ip (gid_addr);
213 gid_address_type (gid_addr) = GID_ADDR_IP_PREFIX;
215 ip_addr_version (addr) = IP4;
216 ip_addr_v4 (addr).data_u32 = 0x10203040;
217 vec_add1 (rlocs[0], gid_addr[0]);
219 ip_addr_v6 (addr).as_u32[0] = 0xffeeddcc;
220 ip_addr_v6 (addr).as_u32[1] = 0xbbaa9988;
221 ip_addr_v6 (addr).as_u32[2] = 0x77665544;
222 ip_addr_v6 (addr).as_u32[3] = 0x33221100;
223 ip_addr_version (addr) = IP6;
224 vec_add1 (rlocs[0], gid_addr[0]);
227 static clib_error_t * test_lisp_msg_parse ()
230 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
231 map_request_hdr_t *h;
233 clib_error_t * error = 0;
235 gid_address_t * rlocs_decode = 0, * rlocs = 0;
236 u32 rloc_count_parse = 0;
238 u8 * data = clib_mem_alloc(500);
239 memset(data, 0, 500);
240 b = (vlib_buffer_t *) data;
242 generate_rlocs (&rlocs_decode, &rloc_count_parse);
243 h = build_map_request (lcm, b, rlocs_decode);
245 vlib_buffer_pull(b, sizeof(*h));
246 u32 len = lisp_msg_parse_addr(b, &gid);
247 _assert (len == 2 + 4
248 /* Source-EID-AFI field lenght + IPv4 address length */);
249 _assert (gid.ippref.addr.ip.v4.as_u32 == 0x12345678);
250 _assert (gid.ippref.addr.version == IP4);
252 u8 rloc_count = MREQ_ITR_RLOC_COUNT(h) + 1;
253 lisp_msg_parse_itr_rlocs (b, &rlocs, rloc_count);
255 _assert (vec_len (rlocs) == 2);
256 _assert (rlocs[0].ippref.addr.ip.v4.as_u32 == 0x10203040);
257 _assert (rlocs[0].ippref.addr.version == IP4);
259 _assert (rlocs[1].ippref.addr.ip.v6.as_u32[0] == 0xffeeddcc);
260 _assert (rlocs[1].ippref.addr.ip.v6.as_u32[1] == 0xbbaa9988);
261 _assert (rlocs[1].ippref.addr.ip.v6.as_u32[2] == 0x77665544);
262 _assert (rlocs[1].ippref.addr.ip.v6.as_u32[3] == 0x33221100);
263 _assert (rlocs[1].ippref.addr.version == IP6);
265 lisp_msg_parse_eid_rec (b, &eid);
266 _assert (eid.ippref.addr.ip.v4.as_u32 == 0x9abcdef0);
267 _assert (eid.ippref.addr.version == IP4);
268 _assert (eid.ippref.len == 24);
271 clib_mem_free (data);
277 static clib_error_t * test_lisp_msg_put_mreq_with_lcaf ()
279 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
280 clib_error_t * error = 0;
281 map_request_hdr_t *h = 0;
282 gid_address_t * rlocs = 0;
285 ip_prefix_version (&ippref) = IP4;
286 ip4_address_t * ip = &ip_prefix_v4 (&ippref);
287 ip->as_u32 = 0x11223344;
291 .type = GID_ADDR_IP_PREFIX,
298 u8 * data = clib_mem_alloc (500);
299 memset (data, 0, 500);
301 h = build_map_request (lcm, (vlib_buffer_t *) data, rlocs);
303 /* clear Nonce to simplify comparison */
304 memset ((u8 *)h + 4, 0, 8);
308 0x10, 0x40, 0x00, 0x01, /* type; flags; IRC; REC count */
309 0x00, 0x00, 0x00, 0x00,
310 0x00, 0x00, 0x00, 0x00, /* nonce */
311 0x00, 0x01, /* Source-EID-AFI */
312 0x78, 0x56, 0x34, 0x12, /* Source EID Address */
315 0x40, 0x03, /* AFI = LCAF*/
317 0x00, 0x00, /* reserved1, flags */
318 0x02, /* type = Instance ID */
319 0x17, /* IID mask-len */
320 0x00, 0x0a, /* iid length + next AFI lenght */
321 0x90, 0x91, 0x92, 0x93, /* IID / VNI */
323 0x00, 0x01, /* AFI = ipv4 */
324 0x44, 0x33, 0x22, 0x11, /* ITR-RLOC Address 1 */
328 0x18, /* EID mask-len */
329 0x00, 0x01, /* EID-prefix-AFI */
330 0xf0, 0xde, 0xbc, 0x9a, /* EID-prefix */
333 _assert (0 == memcmp (expected_data, (u8 *) h, sizeof (expected_data)));
335 clib_mem_free (data);
339 static clib_error_t * test_lisp_msg_put_mreq ()
341 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
342 clib_error_t * error = 0;
343 map_request_hdr_t *h;
344 gid_address_t * rlocs = 0;
347 u8 * data = clib_mem_alloc(500);
348 memset(data, 0, 500);
350 generate_rlocs (&rlocs, &rloc_count);
351 h = build_map_request (lcm, (vlib_buffer_t *) data, rlocs);
353 /* clear Nonce to simplify comparison */
354 memset((u8 *)h + 4, 0, 8);
356 print_map_request(h);
358 u8 expected_data[50] = {
359 0x10, 0x40, 0x01, 0x01, /* type; flags; IRC; REC count */
360 0x00, 0x00, 0x00, 0x00,
361 0x00, 0x00, 0x00, 0x00, /* nonce */
362 0x00, 0x01, /* Source-EID-AFI */
363 0x78, 0x56, 0x34, 0x12, /* Source EID Address */
366 0x00, 0x01, /* ITR-RLOC-AFI 1 */
367 0x40, 0x30, 0x20, 0x10, /* ITR-RLOC Address 1 */
368 0x00, 0x02, /* ITR-RLOC-AFI 2 */
369 0xcc, 0xdd, 0xee, 0xff,
370 0x88, 0x99, 0xaa, 0xbb,
371 0x44, 0x55, 0x66, 0x77,
372 0x00, 0x11, 0x22, 0x33, /* ITR-RLOC Address 2 */
376 0x18, /* EID mask-len */
377 0x00, 0x01, /* EID-prefix-AFI */
378 0xf0, 0xde, 0xbc, 0x9a, /* EID-prefix */
380 _assert (0 == memcmp (expected_data, (u8 *) h, sizeof (expected_data)));
383 clib_mem_free (data);
387 static clib_error_t *
388 test_lisp_parse_lcaf ()
391 clib_error_t * error = 0;
393 locator_t * locs = 0;
395 vlib_buffer_t * b = 0;
398 b = clib_mem_alloc (buff_len);
399 memset ((u8 *)b, 0, buff_len);
401 u8 map_reply_records[] =
404 0x01, 0x02, 0x03, 0x04, /* record TTL */
405 0x03, /* locator count */
406 0x00, 0x00, 0x00, /* eid-mask-len; ... */
407 0x00, 0x00, /* reserved; map-version num */
408 0x00, 0x01, /* EID-Prefix-AFI */
409 0x33, 0x44, 0x55, 0x66, /* eid-prefix */
414 0x0c, /* m-prority */
416 0x00, 0x00, /* unused flags */
417 0x40, 0x03, /* Loc-AFI = LCAF*/
420 0x00, 0x00, /* reserved1, flags */
421 0x02, /* type = Instance ID */
422 0x18, /* IID mask-len */
423 0x0a, 0x00, /* iid length + next AFI lenght */
424 /* LCAF Instance ID */
425 0x00, 0x00, 0x00, 0x09, /* iid */
426 0x00, 0x01, /* AFI = ipv4 */
427 0x10, 0xbb, 0xcc, 0xdd, /* ipv4 loator address */
432 0x05, /* m-prority */
434 0x00, 0x00, /* unused flags */
435 0x40, 0x03, /* Loc-AFI = LCAF*/
438 0x00, 0x00, /* reserved1, flags */
439 0x02, /* type = Instance ID */
440 0x18, /* IID mask-len */
441 0x00, 0x16, /* iid length + next AFI lenght */
442 /* LCAF Instance ID */
443 0x22, 0x44, 0x66, 0x88, /* iid */
444 0x00, 0x02, /* AFI = ipv6 */
445 0xcc, 0xdd, 0xee, 0xff,
446 0x88, 0x99, 0xaa, 0xbb,
447 0x44, 0x55, 0x66, 0x77,
448 0x00, 0x11, 0x22, 0x33, /* ipv6 locator address */
453 0x0c, /* m-prority */
455 0x00, 0x00, /* unused flags */
456 0x00, 0x01, /* Loc-AFI */
457 0xaa, 0xbb, 0xcc, 0xdd, /* Loator */
460 b->current_length = buff_len;
461 memcpy (b->data, map_reply_records, sizeof (map_reply_records));
463 lisp_msg_parse_mapping_record (b, &eid, &locs, &probed);
464 _assert (vec_len (locs) == 3);
465 _assert (eid.ippref.addr.ip.v4.as_u32 == 0x66554433);
467 /* check 1st locator - an LCAF with ipv4 */
468 _assert (locs[0].local == 0);
469 _assert (locs[0].priority == 0xa);
470 _assert (locs[0].weight == 0xb);
471 _assert (locs[0].mpriority == 0xc);
472 _assert (locs[0].mweight == 0xd);
474 _assert (gid_address_type (&locs[0].address) == GID_ADDR_IP_PREFIX);
475 _assert (gid_address_vni (&locs[0].address) == 0x09);
476 ip_prefix_t * ip_pref = &gid_address_ippref (&locs[0].address);
477 _assert (IP4 == ip_prefix_version (ip_pref));
479 /* 2nd locator - LCAF entry with ipv6 address */
480 _assert (locs[1].local == 0);
481 _assert (locs[1].priority == 0x7);
482 _assert (locs[1].weight == 0x6);
483 _assert (locs[1].mpriority == 0x5);
484 _assert (locs[1].mweight == 0x4);
486 _assert (gid_address_type (&locs[1].address) == GID_ADDR_IP_PREFIX);
487 _assert (0x22446688 == gid_address_vni (&locs[1].address));
488 ip_pref = &gid_address_ippref (&locs[1].address);
489 _assert (IP6 == ip_prefix_version (ip_pref));
491 /* 3rd locator - simple ipv4 address */
492 _assert (gid_address_type (&locs[2].address) == GID_ADDR_IP_PREFIX);
496 for (i = 0; i < 3; i++)
497 locator_free (&locs[i]);
502 #define foreach_test_case \
503 _(lisp_msg_put_mreq) \
504 _(lisp_msg_put_mreq_with_lcaf) \
505 _(lisp_msg_push_ecm) \
507 _(lisp_msg_parse_mapping_record) \
512 clib_error_t * error;
514 #define _(_test_name) \
515 error = test_ ## _test_name (); \
518 clib_error_report (error); \