forked from openvswitch/ovs
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtest-aa.c
314 lines (257 loc) · 10.8 KB
/
test-aa.c
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
/*
* Copyright (c) 2015 Avaya, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#undef NDEBUG
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ovs-lldp.h"
#include "ovstest.h"
#define ETH_TYPE_LLDP 0x88cc
/* Dummy MAC addresses */
static uint8_t chassis_mac[ETH_ADDR_LEN] = { 0x5e, 0x10, 0x8e, 0xe7, 0x84, 0xad };
static uint8_t eth_src[ETH_ADDR_LEN] = { 0x5e, 0x10, 0x8e, 0xe7, 0x84, 0xad };
/* LLDP multicast address */
static const uint8_t eth_addr_lldp[6] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x0e};
/* Count of tests run */
static int num_tests = 0;
/*
* Helper function to validate port info
*/
static void
check_received_port(struct lldpd_port *sport,
struct lldpd_port *rport)
{
assert(rport->p_id_subtype == sport->p_id_subtype);
assert(rport->p_id_len == sport->p_id_len);
assert(strncmp(rport->p_id, sport->p_id, sport->p_id_len) == 0);
assert(strcmp(rport->p_descr, sport->p_descr) == 0);
return;
}
/*
* Helper function to validate chassis info
*/
static void
check_received_chassis(struct lldpd_chassis *schassis,
struct lldpd_chassis *rchassis)
{
assert(rchassis->c_id_subtype == schassis->c_id_subtype);
assert(rchassis->c_id_len == schassis->c_id_len);
assert(memcmp(rchassis->c_id, schassis->c_id, schassis->c_id_len) == 0);
assert(strcmp(rchassis->c_name, schassis->c_name) == 0);
assert(strcmp(rchassis->c_descr, schassis->c_descr) == 0);
assert(rchassis->c_cap_available == schassis->c_cap_available);
assert(rchassis->c_cap_enabled == schassis->c_cap_enabled);
return;
}
/*
* Helper function to validate auto-attach info
*/
static void
check_received_aa(struct lldpd_port *sport,
struct lldpd_port *rport,
struct lldpd_aa_isid_vlan_maps_tlv *smap)
{
struct lldpd_aa_isid_vlan_maps_tlv *received_map;
int i = 0;
assert(rport->p_element.type == sport->p_element.type);
assert(rport->p_element.mgmt_vlan == sport->p_element.mgmt_vlan);
assert(rport->p_element.system_id.system_mac[0] ==
sport->p_element.system_id.system_mac[0]);
assert(rport->p_element.system_id.system_mac[1] ==
sport->p_element.system_id.system_mac[1]);
assert(rport->p_element.system_id.system_mac[2] ==
sport->p_element.system_id.system_mac[2]);
assert(rport->p_element.system_id.system_mac[3] ==
sport->p_element.system_id.system_mac[3]);
assert(rport->p_element.system_id.system_mac[4] ==
sport->p_element.system_id.system_mac[4]);
assert(rport->p_element.system_id.system_mac[5] ==
sport->p_element.system_id.system_mac[5]);
assert(rport->p_element.system_id.conn_type ==
sport->p_element.system_id.conn_type);
assert(rport->p_element.system_id.rsvd ==
sport->p_element.system_id.rsvd);
assert(rport->p_element.system_id.rsvd2[0] ==
sport->p_element.system_id.rsvd2[0]);
assert(rport->p_element.system_id.rsvd2[1] ==
sport->p_element.system_id.rsvd2[1]);
/* Should receive 2 mappings */
assert(!list_is_empty(&rport->p_isid_vlan_maps));
/* For each received isid/vlan mapping */
LIST_FOR_EACH (received_map, m_entries, &rport->p_isid_vlan_maps) {
/* Validate against mapping sent */
assert(smap[i].isid_vlan_data.status ==
received_map->isid_vlan_data.status);
assert(smap[i].isid_vlan_data.vlan ==
received_map->isid_vlan_data.vlan);
assert(smap[i].isid_vlan_data.isid ==
received_map->isid_vlan_data.isid);
/* Next mapping sent */
i++;
}
assert(i == 2);
return;
}
/*
* Validate basic send/receive processing
*/
static int
test_aa_send(void)
{
struct lldp *lldp;
struct lldpd_hardware hardware;
struct lldpd_chassis chassis;
struct lldpd_chassis *nchassis = NULL;
struct lldpd_port *nport = NULL;
struct lldpd_hardware *hw = NULL;
struct lldpd_chassis *ch = NULL;
struct lldpd_aa_isid_vlan_maps_tlv map_init[2];
struct lldpd_aa_isid_vlan_maps_tlv map[2];
uint32_t stub[512 / 4];
struct dp_packet packet;
int n;
/* Prepare data used to construct and validate LLDPPDU */
hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
hardware.h_lport.p_id = "FastEthernet 1/5";
hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
hardware.h_lport.p_descr = "Fake port description";
hardware.h_lport.p_mfs = 1516;
/* Auto attach element discovery info */
hardware.h_lport.p_element.type =
LLDP_TLV_AA_ELEM_TYPE_CLIENT_VIRTUAL_SWITCH;
hardware.h_lport.p_element.mgmt_vlan = 0xCDC;
hardware.h_lport.p_element.system_id.system_mac[0] = 0x1;
hardware.h_lport.p_element.system_id.system_mac[1] = 0x2;
hardware.h_lport.p_element.system_id.system_mac[2] = 0x3;
hardware.h_lport.p_element.system_id.system_mac[3] = 0x4;
hardware.h_lport.p_element.system_id.system_mac[4] = 0x5;
hardware.h_lport.p_element.system_id.system_mac[5] = 0x6;
hardware.h_lport.p_element.system_id.conn_type = 0x5;
hardware.h_lport.p_element.system_id.rsvd = 0x3CC;
hardware.h_lport.p_element.system_id.rsvd2[0] = 0xB;
hardware.h_lport.p_element.system_id.rsvd2[1] = 0xE;
/* Local chassis info */
chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
chassis.c_id = chassis_mac;
chassis.c_id_len = ETH_ADDR_LEN;
chassis.c_name = "Dummy chassis";
chassis.c_descr = "Long dummy chassis description";
chassis.c_cap_available = LLDP_CAP_BRIDGE;
chassis.c_cap_enabled = LLDP_CAP_BRIDGE;
/* ISID/VLAN mappings */
map_init[0].isid_vlan_data.status = 0xC;
map_init[0].isid_vlan_data.vlan = 0x64;
map_init[0].isid_vlan_data.isid = 0x010203;
map_init[1].isid_vlan_data.status = 0xD;
map_init[1].isid_vlan_data.vlan = 0xF;
map_init[1].isid_vlan_data.isid = 0x040506;
/* Prepare an empty packet buffer */
dp_packet_use_stub(&packet, stub, sizeof stub);
dp_packet_clear(&packet);
/* Create a dummy lldp instance */
lldp = lldp_create_dummy();
if ((lldp == NULL) ||
(lldp->lldpd == NULL) ||
list_is_empty(&lldp->lldpd->g_hardware)) {
printf("Error: unable to create dummy lldp instance");
return 1;
}
/* Populate instance with local chassis info */
hw = lldpd_first_hardware(lldp->lldpd);
ch = hw->h_lport.p_chassis;
ch->c_id_subtype = chassis.c_id_subtype;
ch->c_id = chassis.c_id;
ch->c_id_len = chassis.c_id_len;
ch->c_name = chassis.c_name;
ch->c_descr = chassis.c_descr;
ch->c_cap_available = chassis.c_cap_available;
ch->c_cap_enabled = chassis.c_cap_enabled;
/* Populate instance with local port info */
hw->h_lport.p_id_subtype = hardware.h_lport.p_id_subtype;
hw->h_lport.p_id = hardware.h_lport.p_id;
hw->h_lport.p_id_len = strlen(hw->h_lport.p_id);
hw->h_lport.p_descr = hardware.h_lport.p_descr;
hw->h_lport.p_mfs = hardware.h_lport.p_mfs;
/* Populate instance with auto attach element discovery info */
hw->h_lport.p_element.type = hardware.h_lport.p_element.type;
hw->h_lport.p_element.mgmt_vlan = hardware.h_lport.p_element.mgmt_vlan;
hw->h_lport.p_element.system_id.system_mac[0] =
hardware.h_lport.p_element.system_id.system_mac[0];
hw->h_lport.p_element.system_id.system_mac[1] =
hardware.h_lport.p_element.system_id.system_mac[1];
hw->h_lport.p_element.system_id.system_mac[2] =
hardware.h_lport.p_element.system_id.system_mac[2];
hw->h_lport.p_element.system_id.system_mac[3] =
hardware.h_lport.p_element.system_id.system_mac[3];
hw->h_lport.p_element.system_id.system_mac[4] =
hardware.h_lport.p_element.system_id.system_mac[4];
hw->h_lport.p_element.system_id.system_mac[5] =
hardware.h_lport.p_element.system_id.system_mac[5];
hw->h_lport.p_element.system_id.conn_type =
hardware.h_lport.p_element.system_id.conn_type;
hw->h_lport.p_element.system_id.rsvd =
hardware.h_lport.p_element.system_id.rsvd;
hw->h_lport.p_element.system_id.rsvd2[0] =
hardware.h_lport.p_element.system_id.rsvd2[0];
hw->h_lport.p_element.system_id.rsvd2[1] =
hardware.h_lport.p_element.system_id.rsvd2[1];
/* Populate instance with two auto attach isid/vlan mappings */
map[0].isid_vlan_data.status = map_init[0].isid_vlan_data.status;
map[0].isid_vlan_data.vlan = map_init[0].isid_vlan_data.vlan;
map[0].isid_vlan_data.isid = map_init[0].isid_vlan_data.isid;
map[1].isid_vlan_data.status = map_init[1].isid_vlan_data.status;
map[1].isid_vlan_data.vlan = map_init[1].isid_vlan_data.vlan;
map[1].isid_vlan_data.isid = map_init[1].isid_vlan_data.isid;
list_init(&hw->h_lport.p_isid_vlan_maps);
list_push_back(&hw->h_lport.p_isid_vlan_maps, &map[0].m_entries);
list_push_back(&hw->h_lport.p_isid_vlan_maps, &map[1].m_entries);
/* Construct LLDPPDU (including Ethernet header) */
eth_compose(&packet, eth_addr_lldp, eth_src, ETH_TYPE_LLDP, 0);
n = lldp_send(lldp->lldpd, hw, &packet);
if (n == 0) {
printf("Error: unable to build packet\n");
return 1;
}
/* Decode the constructed LLDPPDU */
assert(lldp_decode(NULL, dp_packet_data(&packet), dp_packet_size(&packet), hw,
&nchassis, &nport) != -1);
/* Expecting returned pointers to allocated structures */
if (!nchassis || !nport) {
printf("Error: unable to decode packet");
return 1;
}
/* Verify chassis values */
check_received_chassis(&chassis, nchassis);
/* Verify port values */
check_received_port(&hardware.h_lport, nport);
/* Verify auto attach values */
check_received_aa(&hardware.h_lport, nport, map_init);
return 0;
}
static void
test_aa_main(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
int num_errors = 0;
/* Make sure we emit valid auto-attach LLDPPDUs */
num_tests++;
num_errors += test_aa_send();
/* Add more tests here */
printf("executed %d tests, %d errors\n", num_tests, num_errors);
exit(num_errors != 0);
}
OVSTEST_REGISTER("test-aa", test_aa_main);