1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <string.h>
6 #include <stdarg.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <stdint.h>
10 #include <inttypes.h>
11 #include <errno.h>
12 #include <rte_cycles.h>
13 #include <sys/queue.h>
14
15 #include <rte_byteorder.h>
16 #include <rte_common.h>
17 #include <rte_debug.h>
18 #include <rte_ethdev.h>
19 #include <rte_log.h>
20 #include <rte_lcore.h>
21 #include <rte_memory.h>
22
23 #include <rte_string_fns.h>
24
25 #include <rte_eth_ring.h>
26 #include <rte_errno.h>
27 #include <rte_eth_bond.h>
28 #include <rte_eth_bond_8023ad.h>
29
30 #include "packet_burst_generator.h"
31
32 #include "test.h"
33
34 #define SLAVE_COUNT (4)
35
36 #define RX_RING_SIZE 1024
37 #define TX_RING_SIZE 1024
38
39 #define MBUF_CACHE_SIZE (250)
40 #define BURST_SIZE (32)
41
42 #define TEST_RX_DESC_MAX (2048)
43 #define TEST_TX_DESC_MAX (2048)
44 #define MAX_PKT_BURST (32)
45 #define DEF_PKT_BURST (16)
46
47 #define BONDED_DEV_NAME ("net_bonding_m4_bond_dev")
48
49 #define SLAVE_DEV_NAME_FMT ("net_virt_%d")
50 #define SLAVE_RX_QUEUE_FMT ("net_virt_%d_rx")
51 #define SLAVE_TX_QUEUE_FMT ("net_virt_%d_tx")
52
53 #define INVALID_SOCKET_ID (-1)
54 #define INVALID_PORT_ID (0xFF)
55 #define INVALID_BONDING_MODE (-1)
56
57 static const struct rte_ether_addr slave_mac_default = {
58 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 }
59 };
60
61 static const struct rte_ether_addr parnter_mac_default = {
62 { 0x22, 0xBB, 0xFF, 0xBB, 0x00, 0x00 }
63 };
64
65 static const struct rte_ether_addr parnter_system = {
66 { 0x33, 0xFF, 0xBB, 0xFF, 0x00, 0x00 }
67 };
68
69 static const struct rte_ether_addr slow_protocol_mac_addr = {
70 { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x02 }
71 };
72
73 struct slave_conf {
74 struct rte_ring *rx_queue;
75 struct rte_ring *tx_queue;
76 uint16_t port_id;
77 uint8_t bonded : 1;
78
79 uint8_t lacp_parnter_state;
80 };
81
82 struct ether_vlan_hdr {
83 struct rte_ether_hdr pkt_eth_hdr;
84 struct rte_vlan_hdr vlan_hdr;
85 };
86
87 struct link_bonding_unittest_params {
88 uint8_t bonded_port_id;
89 struct slave_conf slave_ports[SLAVE_COUNT];
90
91 struct rte_mempool *mbuf_pool;
92 };
93
94 #define TEST_DEFAULT_SLAVE_COUNT RTE_DIM(test_params.slave_ports)
95 #define TEST_RX_SLAVE_COUT TEST_DEFAULT_SLAVE_COUNT
96 #define TEST_TX_SLAVE_COUNT TEST_DEFAULT_SLAVE_COUNT
97 #define TEST_MARKER_SLAVE_COUT TEST_DEFAULT_SLAVE_COUNT
98 #define TEST_EXPIRED_SLAVE_COUNT TEST_DEFAULT_SLAVE_COUNT
99 #define TEST_PROMISC_SLAVE_COUNT TEST_DEFAULT_SLAVE_COUNT
100
101 static struct link_bonding_unittest_params test_params = {
102 .bonded_port_id = INVALID_PORT_ID,
103 .slave_ports = { [0 ... SLAVE_COUNT - 1] = { .port_id = INVALID_PORT_ID} },
104
105 .mbuf_pool = NULL,
106 };
107
108 static struct rte_eth_conf default_pmd_conf = {
109 .rxmode = {
110 .mq_mode = ETH_MQ_RX_NONE,
111 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
112 .split_hdr_size = 0,
113 },
114 .txmode = {
115 .mq_mode = ETH_MQ_TX_NONE,
116 },
117 .lpbk_mode = 0,
118 };
119
120 static uint8_t lacpdu_rx_count[RTE_MAX_ETHPORTS] = {0, };
121
122 #define FOR_EACH(_i, _item, _array, _size) \
123 for (_i = 0, _item = &_array[0]; _i < _size && (_item = &_array[_i]); _i++)
124
125 /* Macro for iterating over every port that can be used as a slave
126 * in this test.
127 * _i variable used as an index in test_params->slave_ports
128 * _slave pointer to &test_params->slave_ports[_idx]
129 */
130 #define FOR_EACH_PORT(_i, _port) \
131 FOR_EACH(_i, _port, test_params.slave_ports, \
132 RTE_DIM(test_params.slave_ports))
133
134 /* Macro for iterating over every port that can be used as a slave
135 * in this test and satisfy given condition.
136 *
137 * _i variable used as an index in test_params->slave_ports
138 * _slave pointer to &test_params->slave_ports[_idx]
139 * _condition condition that need to be checked
140 */
141 #define FOR_EACH_PORT_IF(_i, _port, _condition) FOR_EACH_PORT((_i), (_port)) \
142 if (!!(_condition))
143
144 /* Macro for iterating over every port that is currently a slave of a bonded
145 * device.
146 * _i variable used as an index in test_params->slave_ports
147 * _slave pointer to &test_params->slave_ports[_idx]
148 * */
149 #define FOR_EACH_SLAVE(_i, _slave) \
150 FOR_EACH_PORT_IF(_i, _slave, (_slave)->bonded != 0)
151
152 /*
153 * Returns packets from slaves TX queue.
154 * slave slave port
155 * buffer for packets
156 * size size of buffer
157 * return number of packets or negative error number
158 */
159 static int
slave_get_pkts(struct slave_conf * slave,struct rte_mbuf ** buf,uint16_t size)160 slave_get_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
161 {
162 return rte_ring_dequeue_burst(slave->tx_queue, (void **)buf,
163 size, NULL);
164 }
165
166 /*
167 * Injects given packets into slaves RX queue.
168 * slave slave port
169 * buffer for packets
170 * size number of packets to be injected
171 * return number of queued packets or negative error number
172 */
173 static int
slave_put_pkts(struct slave_conf * slave,struct rte_mbuf ** buf,uint16_t size)174 slave_put_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
175 {
176 return rte_ring_enqueue_burst(slave->rx_queue, (void **)buf,
177 size, NULL);
178 }
179
180 static uint16_t
bond_rx(struct rte_mbuf ** buf,uint16_t size)181 bond_rx(struct rte_mbuf **buf, uint16_t size)
182 {
183 return rte_eth_rx_burst(test_params.bonded_port_id, 0, buf, size);
184 }
185
186 static uint16_t
bond_tx(struct rte_mbuf ** buf,uint16_t size)187 bond_tx(struct rte_mbuf **buf, uint16_t size)
188 {
189 return rte_eth_tx_burst(test_params.bonded_port_id, 0, buf, size);
190 }
191
192 static void
free_pkts(struct rte_mbuf ** pkts,uint16_t count)193 free_pkts(struct rte_mbuf **pkts, uint16_t count)
194 {
195 uint16_t i;
196
197 for (i = 0; i < count; i++) {
198 if (pkts[i] != NULL)
199 rte_pktmbuf_free(pkts[i]);
200 }
201 }
202
203 static int
configure_ethdev(uint16_t port_id,uint8_t start)204 configure_ethdev(uint16_t port_id, uint8_t start)
205 {
206 TEST_ASSERT(rte_eth_dev_configure(port_id, 1, 1, &default_pmd_conf) == 0,
207 "Failed to configure device %u", port_id);
208
209 TEST_ASSERT(rte_eth_rx_queue_setup(port_id, 0, RX_RING_SIZE,
210 rte_eth_dev_socket_id(port_id), NULL, test_params.mbuf_pool) == 0,
211 "Failed to setup rx queue.");
212
213 TEST_ASSERT(rte_eth_tx_queue_setup(port_id, 0, TX_RING_SIZE,
214 rte_eth_dev_socket_id(port_id), NULL) == 0,
215 "Failed to setup tx queue.");
216
217 if (start) {
218 TEST_ASSERT(rte_eth_dev_start(port_id) == 0,
219 "Failed to start device (%d).", port_id);
220 }
221 return 0;
222 }
223
224 static int
add_slave(struct slave_conf * slave,uint8_t start)225 add_slave(struct slave_conf *slave, uint8_t start)
226 {
227 struct rte_ether_addr addr, addr_check;
228 int retval;
229
230 /* Some sanity check */
231 RTE_VERIFY(test_params.slave_ports <= slave &&
232 slave - test_params.slave_ports < (int)RTE_DIM(test_params.slave_ports));
233 RTE_VERIFY(slave->bonded == 0);
234 RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
235
236 rte_ether_addr_copy(&slave_mac_default, &addr);
237 addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
238
239 rte_eth_dev_mac_addr_remove(slave->port_id, &addr);
240
241 TEST_ASSERT_SUCCESS(rte_eth_dev_mac_addr_add(slave->port_id, &addr, 0),
242 "Failed to set slave MAC address");
243
244 TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bonded_port_id,
245 slave->port_id),
246 "Failed to add slave (idx=%u, id=%u) to bonding (id=%u)",
247 (uint8_t)(slave - test_params.slave_ports), slave->port_id,
248 test_params.bonded_port_id);
249
250 slave->bonded = 1;
251 if (start) {
252 TEST_ASSERT_SUCCESS(rte_eth_dev_start(slave->port_id),
253 "Failed to start slave %u", slave->port_id);
254 }
255
256 retval = rte_eth_macaddr_get(slave->port_id, &addr_check);
257 TEST_ASSERT_SUCCESS(retval, "Failed to get slave mac address: %s",
258 strerror(-retval));
259 TEST_ASSERT_EQUAL(rte_is_same_ether_addr(&addr, &addr_check), 1,
260 "Slave MAC address is not as expected");
261
262 RTE_VERIFY(slave->lacp_parnter_state == 0);
263 return 0;
264 }
265
266 static int
remove_slave(struct slave_conf * slave)267 remove_slave(struct slave_conf *slave)
268 {
269 ptrdiff_t slave_idx = slave - test_params.slave_ports;
270
271 RTE_VERIFY(test_params.slave_ports <= slave &&
272 slave_idx < (ptrdiff_t)RTE_DIM(test_params.slave_ports));
273
274 RTE_VERIFY(slave->bonded == 1);
275 RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
276
277 TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
278 "Slave %u tx queue not empty while removing from bonding.",
279 slave->port_id);
280
281 TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
282 "Slave %u tx queue not empty while removing from bonding.",
283 slave->port_id);
284
285 TEST_ASSERT_EQUAL(rte_eth_bond_slave_remove(test_params.bonded_port_id,
286 slave->port_id), 0,
287 "Failed to remove slave (idx=%u, id=%u) from bonding (id=%u)",
288 (uint8_t)slave_idx, slave->port_id,
289 test_params.bonded_port_id);
290
291 slave->bonded = 0;
292 slave->lacp_parnter_state = 0;
293 return 0;
294 }
295
296 static void
lacp_recv_cb(uint16_t slave_id,struct rte_mbuf * lacp_pkt)297 lacp_recv_cb(uint16_t slave_id, struct rte_mbuf *lacp_pkt)
298 {
299 struct rte_ether_hdr *hdr;
300 struct slow_protocol_frame *slow_hdr;
301
302 RTE_VERIFY(lacp_pkt != NULL);
303
304 hdr = rte_pktmbuf_mtod(lacp_pkt, struct rte_ether_hdr *);
305 RTE_VERIFY(hdr->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW));
306
307 slow_hdr = rte_pktmbuf_mtod(lacp_pkt, struct slow_protocol_frame *);
308 RTE_VERIFY(slow_hdr->slow_protocol.subtype == SLOW_SUBTYPE_LACP);
309
310 lacpdu_rx_count[slave_id]++;
311 rte_pktmbuf_free(lacp_pkt);
312 }
313
314 static int
initialize_bonded_device_with_slaves(uint16_t slave_count,uint8_t external_sm)315 initialize_bonded_device_with_slaves(uint16_t slave_count, uint8_t external_sm)
316 {
317 uint8_t i;
318 int ret;
319
320 RTE_VERIFY(test_params.bonded_port_id != INVALID_PORT_ID);
321
322 for (i = 0; i < slave_count; i++) {
323 TEST_ASSERT_SUCCESS(add_slave(&test_params.slave_ports[i], 1),
324 "Failed to add port %u to bonded device.\n",
325 test_params.slave_ports[i].port_id);
326 }
327
328 /* Reset mode 4 configuration */
329 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, NULL);
330 ret = rte_eth_promiscuous_disable(test_params.bonded_port_id);
331 TEST_ASSERT_SUCCESS(ret,
332 "Failed disable promiscuous mode for port %d: %s",
333 test_params.bonded_port_id, rte_strerror(-ret));
334
335 if (external_sm) {
336 struct rte_eth_bond_8023ad_conf conf;
337
338 rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
339 conf.slowrx_cb = lacp_recv_cb;
340 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
341
342 }
343
344 TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bonded_port_id),
345 "Failed to start bonded device");
346
347 return TEST_SUCCESS;
348 }
349
350 static int
remove_slaves_and_stop_bonded_device(void)351 remove_slaves_and_stop_bonded_device(void)
352 {
353 struct slave_conf *slave;
354 int retval;
355 uint16_t slaves[RTE_MAX_ETHPORTS];
356 uint16_t i;
357
358 TEST_ASSERT_SUCCESS(rte_eth_dev_stop(test_params.bonded_port_id),
359 "Failed to stop bonded port %u",
360 test_params.bonded_port_id);
361
362 FOR_EACH_SLAVE(i, slave)
363 remove_slave(slave);
364
365 retval = rte_eth_bond_slaves_get(test_params.bonded_port_id, slaves,
366 RTE_DIM(slaves));
367
368 TEST_ASSERT_EQUAL(retval, 0,
369 "Expected bonded device %u have 0 slaves but returned %d.",
370 test_params.bonded_port_id, retval);
371
372 FOR_EACH_PORT(i, slave) {
373 TEST_ASSERT_SUCCESS(rte_eth_dev_stop(slave->port_id),
374 "Failed to stop bonded port %u",
375 slave->port_id);
376
377 TEST_ASSERT(slave->bonded == 0,
378 "Port id=%u is still marked as enslaved.", slave->port_id);
379 }
380
381 return TEST_SUCCESS;
382 }
383
384 static int
test_setup(void)385 test_setup(void)
386 {
387 int retval, nb_mbuf_per_pool;
388 char name[RTE_ETH_NAME_MAX_LEN];
389 struct slave_conf *port;
390 const uint8_t socket_id = rte_socket_id();
391 uint16_t i;
392
393 if (test_params.mbuf_pool == NULL) {
394 nb_mbuf_per_pool = TEST_RX_DESC_MAX + DEF_PKT_BURST +
395 TEST_TX_DESC_MAX + MAX_PKT_BURST;
396 test_params.mbuf_pool = rte_pktmbuf_pool_create("TEST_MODE4",
397 nb_mbuf_per_pool, MBUF_CACHE_SIZE, 0,
398 RTE_MBUF_DEFAULT_BUF_SIZE, socket_id);
399
400 TEST_ASSERT(test_params.mbuf_pool != NULL,
401 "rte_mempool_create failed\n");
402 }
403
404 /* Create / initialize ring eth devs. */
405 FOR_EACH_PORT(i, port) {
406 port = &test_params.slave_ports[i];
407
408 if (port->rx_queue == NULL) {
409 retval = snprintf(name, RTE_DIM(name), SLAVE_RX_QUEUE_FMT, i);
410 TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
411 port->rx_queue = rte_ring_create(name, RX_RING_SIZE, socket_id, 0);
412 TEST_ASSERT(port->rx_queue != NULL,
413 "Failed to allocate rx ring '%s': %s", name,
414 rte_strerror(rte_errno));
415 }
416
417 if (port->tx_queue == NULL) {
418 retval = snprintf(name, RTE_DIM(name), SLAVE_TX_QUEUE_FMT, i);
419 TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
420 port->tx_queue = rte_ring_create(name, TX_RING_SIZE, socket_id, 0);
421 TEST_ASSERT_NOT_NULL(port->tx_queue,
422 "Failed to allocate tx ring '%s': %s", name,
423 rte_strerror(rte_errno));
424 }
425
426 if (port->port_id == INVALID_PORT_ID) {
427 retval = snprintf(name, RTE_DIM(name), SLAVE_DEV_NAME_FMT, i);
428 TEST_ASSERT(retval < (int)RTE_DIM(name) - 1, "Name too long");
429 retval = rte_eth_from_rings(name, &port->rx_queue, 1,
430 &port->tx_queue, 1, socket_id);
431 TEST_ASSERT(retval >= 0,
432 "Failed to create ring ethdev '%s'\n", name);
433
434 port->port_id = rte_eth_dev_count_avail() - 1;
435 }
436
437 retval = configure_ethdev(port->port_id, 1);
438 TEST_ASSERT_SUCCESS(retval, "Failed to configure virtual ethdev %s\n",
439 name);
440 }
441
442 if (test_params.bonded_port_id == INVALID_PORT_ID) {
443 retval = rte_eth_bond_create(BONDED_DEV_NAME, BONDING_MODE_8023AD,
444 socket_id);
445
446 TEST_ASSERT(retval >= 0, "Failed to create bonded ethdev %s",
447 BONDED_DEV_NAME);
448
449 test_params.bonded_port_id = retval;
450 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bonded_port_id, 0),
451 "Failed to configure bonded ethdev %s", BONDED_DEV_NAME);
452 } else if (rte_eth_bond_mode_get(test_params.bonded_port_id) !=
453 BONDING_MODE_8023AD) {
454 TEST_ASSERT(rte_eth_bond_mode_set(test_params.bonded_port_id,
455 BONDING_MODE_8023AD) == 0,
456 "Failed to set ethdev %d to mode %d",
457 test_params.bonded_port_id, BONDING_MODE_8023AD);
458 }
459
460 return 0;
461 }
462
463 static void
testsuite_teardown(void)464 testsuite_teardown(void)
465 {
466 struct slave_conf *port;
467 uint8_t i;
468
469 /* Only stop ports.
470 * Any cleanup/reset state is done when particular test is
471 * started. */
472
473 rte_eth_dev_stop(test_params.bonded_port_id);
474
475 FOR_EACH_PORT(i, port)
476 rte_eth_dev_stop(port->port_id);
477 }
478
479 /*
480 * Check if given LACP packet. If it is, make make replay packet to force
481 * COLLECTING state.
482 * return 0 when pkt is LACP frame, 1 if it is not slow frame, 2 if it is slow
483 * frame but not LACP
484 */
485 static int
make_lacp_reply(struct slave_conf * slave,struct rte_mbuf * pkt)486 make_lacp_reply(struct slave_conf *slave, struct rte_mbuf *pkt)
487 {
488 struct rte_ether_hdr *hdr;
489 struct slow_protocol_frame *slow_hdr;
490 struct lacpdu *lacp;
491
492 /* look for LACP */
493 hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
494 if (hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW))
495 return 1;
496
497 slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
498 /* ignore packets of other types */
499 if (slow_hdr->slow_protocol.subtype != SLOW_SUBTYPE_LACP)
500 return 2;
501
502 slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
503
504 /* Change source address to partner address */
505 rte_ether_addr_copy(&parnter_mac_default, &slow_hdr->eth_hdr.s_addr);
506 slow_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
507 slave->port_id;
508
509 lacp = (struct lacpdu *) &slow_hdr->slow_protocol;
510 /* Save last received state */
511 slave->lacp_parnter_state = lacp->actor.state;
512 /* Change it into LACP replay by matching parameters. */
513 memcpy(&lacp->partner.port_params, &lacp->actor.port_params,
514 sizeof(struct port_params));
515
516 lacp->partner.state = lacp->actor.state;
517
518 rte_ether_addr_copy(&parnter_system, &lacp->actor.port_params.system);
519 lacp->actor.state = STATE_LACP_ACTIVE |
520 STATE_SYNCHRONIZATION |
521 STATE_AGGREGATION |
522 STATE_COLLECTING |
523 STATE_DISTRIBUTING;
524
525 return 0;
526 }
527
528 /*
529 * Reads packets from given slave, search for LACP packet and reply them.
530 *
531 * Receives burst of packets from slave. Looks for LACP packet. Drops
532 * all other packets. Prepares response LACP and sends it back.
533 *
534 * return number of LACP received and replied, -1 on error.
535 */
536 static int
bond_handshake_reply(struct slave_conf * slave)537 bond_handshake_reply(struct slave_conf *slave)
538 {
539 int retval;
540 struct rte_mbuf *rx_buf[MAX_PKT_BURST];
541 struct rte_mbuf *lacp_tx_buf[MAX_PKT_BURST];
542 uint16_t lacp_tx_buf_cnt = 0, i;
543
544 retval = slave_get_pkts(slave, rx_buf, RTE_DIM(rx_buf));
545 TEST_ASSERT(retval >= 0, "Getting slave %u packets failed.",
546 slave->port_id);
547
548 for (i = 0; i < (uint16_t)retval; i++) {
549 if (make_lacp_reply(slave, rx_buf[i]) == 0) {
550 /* reply with actor's LACP */
551 lacp_tx_buf[lacp_tx_buf_cnt++] = rx_buf[i];
552 } else
553 rte_pktmbuf_free(rx_buf[i]);
554 }
555
556 if (lacp_tx_buf_cnt == 0)
557 return 0;
558
559 retval = slave_put_pkts(slave, lacp_tx_buf, lacp_tx_buf_cnt);
560 if (retval <= lacp_tx_buf_cnt) {
561 /* retval might be negative */
562 for (i = RTE_MAX(0, retval); retval < lacp_tx_buf_cnt; retval++)
563 rte_pktmbuf_free(lacp_tx_buf[i]);
564 }
565
566 TEST_ASSERT_EQUAL(retval, lacp_tx_buf_cnt,
567 "Failed to equeue lacp packets into slave %u tx queue.",
568 slave->port_id);
569
570 return lacp_tx_buf_cnt;
571 }
572
573 /*
574 * Function check if given slave tx queue contains packets that make mode 4
575 * handshake complete. It will drain slave queue.
576 * return 0 if handshake not completed, 1 if handshake was complete,
577 */
578 static int
bond_handshake_done(struct slave_conf * slave)579 bond_handshake_done(struct slave_conf *slave)
580 {
581 const uint8_t expected_state = STATE_LACP_ACTIVE | STATE_SYNCHRONIZATION |
582 STATE_AGGREGATION | STATE_COLLECTING | STATE_DISTRIBUTING;
583
584 return slave->lacp_parnter_state == expected_state;
585 }
586
587 static unsigned
bond_get_update_timeout_ms(void)588 bond_get_update_timeout_ms(void)
589 {
590 struct rte_eth_bond_8023ad_conf conf;
591
592 if (rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf) < 0) {
593 RTE_LOG(DEBUG, EAL, "Failed to get bonding configuration: "
594 "%s at %d\n", __func__, __LINE__);
595 RTE_TEST_TRACE_FAILURE(__FILE__, __LINE__, __func__);
596 return 0;
597 }
598
599 return conf.update_timeout_ms;
600 }
601
602 /*
603 * Exchanges LACP packets with partner to achieve dynamic port configuration.
604 * return TEST_SUCCESS if initial handshake succeed, TEST_FAILED otherwise.
605 */
606 static int
bond_handshake(void)607 bond_handshake(void)
608 {
609 struct slave_conf *slave;
610 struct rte_mbuf *buf[MAX_PKT_BURST];
611 uint16_t nb_pkts;
612 uint8_t all_slaves_done, i, j;
613 uint8_t status[RTE_DIM(test_params.slave_ports)] = { 0 };
614 const unsigned delay = bond_get_update_timeout_ms();
615
616 /* Exchange LACP frames */
617 all_slaves_done = 0;
618 for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
619 rte_delay_ms(delay);
620
621 all_slaves_done = 1;
622 FOR_EACH_SLAVE(j, slave) {
623 /* If response already send, skip slave */
624 if (status[j] != 0)
625 continue;
626
627 if (bond_handshake_reply(slave) < 0) {
628 all_slaves_done = 0;
629 break;
630 }
631
632 status[j] = bond_handshake_done(slave);
633 if (status[j] == 0)
634 all_slaves_done = 0;
635 }
636
637 nb_pkts = bond_tx(NULL, 0);
638 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
639
640 nb_pkts = bond_rx(buf, RTE_DIM(buf));
641 free_pkts(buf, nb_pkts);
642 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
643 }
644 /* If response didn't send - report failure */
645 TEST_ASSERT_EQUAL(all_slaves_done, 1, "Bond handshake failed\n");
646
647 /* If flags doesn't match - report failure */
648 return all_slaves_done == 1 ? TEST_SUCCESS : TEST_FAILED;
649 }
650
651 #define TEST_LACP_SLAVE_COUT RTE_DIM(test_params.slave_ports)
652 static int
test_mode4_lacp(void)653 test_mode4_lacp(void)
654 {
655 int retval;
656
657 retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
658 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
659
660 /* Test LACP handshake function */
661 retval = bond_handshake();
662 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
663
664 retval = remove_slaves_and_stop_bonded_device();
665 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
666
667 return TEST_SUCCESS;
668 }
669 static int
test_mode4_agg_mode_selection(void)670 test_mode4_agg_mode_selection(void)
671 {
672 int retval;
673 /* Test and verify for Stable mode */
674 retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
675 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
676
677
678 retval = rte_eth_bond_8023ad_agg_selection_set(
679 test_params.bonded_port_id, AGG_STABLE);
680 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bond aggregation mode");
681 retval = bond_handshake();
682 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
683
684
685 retval = rte_eth_bond_8023ad_agg_selection_get(
686 test_params.bonded_port_id);
687 TEST_ASSERT_EQUAL(retval, AGG_STABLE,
688 "Wrong agg mode received from bonding device");
689
690 retval = remove_slaves_and_stop_bonded_device();
691 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
692
693
694 /* test and verify for Bandwidth mode */
695 retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
696 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
697
698
699 retval = rte_eth_bond_8023ad_agg_selection_set(
700 test_params.bonded_port_id,
701 AGG_BANDWIDTH);
702 TEST_ASSERT_SUCCESS(retval,
703 "Failed to initialize bond aggregation mode");
704 retval = bond_handshake();
705 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
706
707 retval = rte_eth_bond_8023ad_agg_selection_get(
708 test_params.bonded_port_id);
709 TEST_ASSERT_EQUAL(retval, AGG_BANDWIDTH,
710 "Wrong agg mode received from bonding device");
711
712 retval = remove_slaves_and_stop_bonded_device();
713 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
714
715 /* test and verify selection for count mode */
716 retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
717 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
718
719
720 retval = rte_eth_bond_8023ad_agg_selection_set(
721 test_params.bonded_port_id, AGG_COUNT);
722 TEST_ASSERT_SUCCESS(retval,
723 "Failed to initialize bond aggregation mode");
724 retval = bond_handshake();
725 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
726
727 retval = rte_eth_bond_8023ad_agg_selection_get(
728 test_params.bonded_port_id);
729 TEST_ASSERT_EQUAL(retval, AGG_COUNT,
730 "Wrong agg mode received from bonding device");
731
732 retval = remove_slaves_and_stop_bonded_device();
733 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
734
735 return TEST_SUCCESS;
736 }
737
738 static int
generate_packets(struct rte_ether_addr * src_mac,struct rte_ether_addr * dst_mac,uint16_t count,struct rte_mbuf ** buf)739 generate_packets(struct rte_ether_addr *src_mac,
740 struct rte_ether_addr *dst_mac, uint16_t count, struct rte_mbuf **buf)
741 {
742 uint16_t pktlen = PACKET_BURST_GEN_PKT_LEN;
743 uint8_t vlan_enable = 0;
744 uint16_t vlan_id = 0;
745 uint8_t ip4_type = 1; /* 0 - ipv6 */
746
747 uint16_t src_port = 10, dst_port = 20;
748
749 uint32_t ip_src[4] = { [0 ... 2] = 0xDEADBEEF, [3] = RTE_IPV4(192, 168, 0, 1) };
750 uint32_t ip_dst[4] = { [0 ... 2] = 0xFEEDFACE, [3] = RTE_IPV4(192, 168, 0, 2) };
751
752 struct rte_ether_hdr pkt_eth_hdr;
753 struct rte_udp_hdr pkt_udp_hdr;
754 union {
755 struct rte_ipv4_hdr v4;
756 struct rte_ipv6_hdr v6;
757 } pkt_ip_hdr;
758
759 int retval;
760
761 initialize_eth_header(&pkt_eth_hdr, src_mac, dst_mac, ip4_type,
762 vlan_enable, vlan_id);
763
764 if (ip4_type)
765 initialize_ipv4_header(&pkt_ip_hdr.v4, ip_src[3], ip_dst[3], pktlen);
766 else
767 initialize_ipv6_header(&pkt_ip_hdr.v6, (uint8_t *)ip_src,
768 (uint8_t *)&ip_dst, pktlen);
769
770 initialize_udp_header(&pkt_udp_hdr, src_port, dst_port, 16);
771
772 retval = generate_packet_burst(test_params.mbuf_pool, buf,
773 &pkt_eth_hdr, vlan_enable, &pkt_ip_hdr, 1, &pkt_udp_hdr,
774 count, pktlen, 1);
775
776 if (retval > 0 && retval != count)
777 free_pkts(&buf[count - retval], retval);
778
779 TEST_ASSERT_EQUAL(retval, count, "Failed to generate %u packets",
780 count);
781
782 return count;
783 }
784
785 static int
generate_and_put_packets(struct slave_conf * slave,struct rte_ether_addr * src_mac,struct rte_ether_addr * dst_mac,uint16_t count)786 generate_and_put_packets(struct slave_conf *slave,
787 struct rte_ether_addr *src_mac,
788 struct rte_ether_addr *dst_mac, uint16_t count)
789 {
790 struct rte_mbuf *pkts[MAX_PKT_BURST];
791 int retval;
792
793 retval = generate_packets(src_mac, dst_mac, count, pkts);
794 if (retval != (int)count)
795 return retval;
796
797 retval = slave_put_pkts(slave, pkts, count);
798 if (retval > 0 && retval != count)
799 free_pkts(&pkts[retval], count - retval);
800
801 TEST_ASSERT_EQUAL(retval, count,
802 "Failed to enqueue packets into slave %u RX queue", slave->port_id);
803
804 return TEST_SUCCESS;
805 }
806
807 static int
test_mode4_rx(void)808 test_mode4_rx(void)
809 {
810 struct slave_conf *slave;
811 uint16_t i, j;
812
813 uint16_t expected_pkts_cnt;
814 struct rte_mbuf *pkts[MAX_PKT_BURST];
815 int retval;
816 unsigned delay;
817
818 struct rte_ether_hdr *hdr;
819
820 struct rte_ether_addr src_mac = {
821 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
822 struct rte_ether_addr dst_mac;
823 struct rte_ether_addr bonded_mac;
824
825 retval = initialize_bonded_device_with_slaves(TEST_PROMISC_SLAVE_COUNT,
826 0);
827 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
828
829 retval = bond_handshake();
830 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
831
832 retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
833 TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
834 strerror(-retval));
835 rte_ether_addr_copy(&bonded_mac, &dst_mac);
836
837 /* Assert that dst address is not bonding address. Do not set the
838 * least significant bit of the zero byte as this would create a
839 * multicast address.
840 */
841 dst_mac.addr_bytes[0] += 2;
842
843 /* First try with promiscuous mode enabled.
844 * Add 2 packets to each slave. First with bonding MAC address, second with
845 * different. Check if we received all of them. */
846 retval = rte_eth_promiscuous_enable(test_params.bonded_port_id);
847 TEST_ASSERT_SUCCESS(retval,
848 "Failed to enable promiscuous mode for port %d: %s",
849 test_params.bonded_port_id, rte_strerror(-retval));
850
851 expected_pkts_cnt = 0;
852 FOR_EACH_SLAVE(i, slave) {
853 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
854 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
855 slave->port_id);
856
857 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
858 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
859 slave->port_id);
860
861 /* Expect 2 packets per slave */
862 expected_pkts_cnt += 2;
863 }
864
865 retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
866 RTE_DIM(pkts));
867
868 if (retval == expected_pkts_cnt) {
869 int cnt[2] = { 0, 0 };
870
871 for (i = 0; i < expected_pkts_cnt; i++) {
872 hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
873 cnt[rte_is_same_ether_addr(&hdr->d_addr,
874 &bonded_mac)]++;
875 }
876
877 free_pkts(pkts, expected_pkts_cnt);
878
879 /* For division by 2 expected_pkts_cnt must be even */
880 RTE_VERIFY((expected_pkts_cnt & 1) == 0);
881 TEST_ASSERT(cnt[0] == expected_pkts_cnt / 2 &&
882 cnt[1] == expected_pkts_cnt / 2,
883 "Expected %u packets with the same MAC and %u with different but "
884 "got %u with the same and %u with different MAC",
885 expected_pkts_cnt / 2, expected_pkts_cnt / 2, cnt[1], cnt[0]);
886 } else if (retval > 0)
887 free_pkts(pkts, retval);
888
889 TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
890 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
891
892 /* Now, disable promiscuous mode. When promiscuous mode is disabled we
893 * expect to receive only packets that are directed to bonding port. */
894 retval = rte_eth_promiscuous_disable(test_params.bonded_port_id);
895 TEST_ASSERT_SUCCESS(retval,
896 "Failed to disable promiscuous mode for port %d: %s",
897 test_params.bonded_port_id, rte_strerror(-retval));
898
899 expected_pkts_cnt = 0;
900 FOR_EACH_SLAVE(i, slave) {
901 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
902 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
903 slave->port_id);
904
905 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
906 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
907 slave->port_id);
908
909 /* Expect only one packet per slave */
910 expected_pkts_cnt += 1;
911 }
912
913 retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
914 RTE_DIM(pkts));
915
916 if (retval == expected_pkts_cnt) {
917 int eq_cnt = 0;
918
919 for (i = 0; i < expected_pkts_cnt; i++) {
920 hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
921 eq_cnt += rte_is_same_ether_addr(&hdr->d_addr,
922 &bonded_mac);
923 }
924
925 free_pkts(pkts, expected_pkts_cnt);
926 TEST_ASSERT_EQUAL(eq_cnt, expected_pkts_cnt, "Packet address mismatch");
927 } else if (retval > 0)
928 free_pkts(pkts, retval);
929
930 TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
931 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
932
933 /* Link down test: simulate link down for first slave. */
934 delay = bond_get_update_timeout_ms();
935
936 uint8_t slave_down_id = INVALID_PORT_ID;
937
938 /* Find first slave and make link down on it*/
939 FOR_EACH_SLAVE(i, slave) {
940 rte_eth_dev_set_link_down(slave->port_id);
941 slave_down_id = slave->port_id;
942 break;
943 }
944
945 RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
946
947 /* Give some time to rearrange bonding */
948 for (i = 0; i < 3; i++) {
949 rte_delay_ms(delay);
950 bond_handshake();
951 }
952
953 TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
954
955 /* Put packet to each slave */
956 FOR_EACH_SLAVE(i, slave) {
957 void *pkt = NULL;
958
959 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
960 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
961 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
962
963 src_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
964 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
965 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
966
967 retval = bond_rx(pkts, RTE_DIM(pkts));
968
969 /* Clean anything */
970 if (retval > 0)
971 free_pkts(pkts, retval);
972
973 while (rte_ring_dequeue(slave->rx_queue, (void **)&pkt) == 0)
974 rte_pktmbuf_free(pkt);
975
976 if (slave_down_id == slave->port_id)
977 TEST_ASSERT_EQUAL(retval, 0, "Packets received unexpectedly.");
978 else
979 TEST_ASSERT_NOT_EQUAL(retval, 0,
980 "Expected to receive some packets on slave %u.",
981 slave->port_id);
982 rte_eth_dev_start(slave->port_id);
983
984 for (j = 0; j < 5; j++) {
985 TEST_ASSERT(bond_handshake_reply(slave) >= 0,
986 "Handshake after link up");
987
988 if (bond_handshake_done(slave) == 1)
989 break;
990 }
991
992 TEST_ASSERT(j < 5, "Failed to aggregate slave after link up");
993 }
994
995 remove_slaves_and_stop_bonded_device();
996 return TEST_SUCCESS;
997 }
998
999 static int
test_mode4_tx_burst(void)1000 test_mode4_tx_burst(void)
1001 {
1002 struct slave_conf *slave;
1003 uint16_t i, j;
1004
1005 uint16_t exp_pkts_cnt, pkts_cnt = 0;
1006 struct rte_mbuf *pkts[MAX_PKT_BURST];
1007 int retval;
1008 unsigned delay;
1009
1010 struct rte_ether_addr dst_mac = {
1011 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
1012 struct rte_ether_addr bonded_mac;
1013
1014 retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1015 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1016
1017 retval = bond_handshake();
1018 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1019
1020 retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
1021 TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
1022 strerror(-retval));
1023 /* Prepare burst */
1024 for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1025 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1026 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1027
1028 if (retval != 1)
1029 free_pkts(pkts, pkts_cnt);
1030
1031 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate packet %u", pkts_cnt);
1032 }
1033 exp_pkts_cnt = pkts_cnt;
1034
1035 /* Transmit packets on bonded device */
1036 retval = bond_tx(pkts, pkts_cnt);
1037 if (retval > 0 && retval < pkts_cnt)
1038 free_pkts(&pkts[retval], pkts_cnt - retval);
1039
1040 TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1041
1042 /* Check if packets were transmitted properly. Every slave should have
1043 * at least one packet, and sum must match. Under normal operation
1044 * there should be no LACP nor MARKER frames. */
1045 pkts_cnt = 0;
1046 FOR_EACH_SLAVE(i, slave) {
1047 uint16_t normal_cnt, slow_cnt;
1048
1049 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1050 normal_cnt = 0;
1051 slow_cnt = 0;
1052
1053 for (j = 0; j < retval; j++) {
1054 if (make_lacp_reply(slave, pkts[j]) == 1)
1055 normal_cnt++;
1056 else
1057 slow_cnt++;
1058 }
1059
1060 free_pkts(pkts, normal_cnt + slow_cnt);
1061 TEST_ASSERT_EQUAL(slow_cnt, 0,
1062 "slave %u unexpectedly transmitted %d SLOW packets", slave->port_id,
1063 slow_cnt);
1064
1065 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1066 "slave %u did not transmitted any packets", slave->port_id);
1067
1068 pkts_cnt += normal_cnt;
1069 }
1070
1071 TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1072 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1073
1074 /* Link down test:
1075 * simulate link down for first slave. */
1076 delay = bond_get_update_timeout_ms();
1077
1078 uint8_t slave_down_id = INVALID_PORT_ID;
1079
1080 FOR_EACH_SLAVE(i, slave) {
1081 rte_eth_dev_set_link_down(slave->port_id);
1082 slave_down_id = slave->port_id;
1083 break;
1084 }
1085
1086 RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
1087
1088 /* Give some time to rearrange bonding. */
1089 for (i = 0; i < 3; i++) {
1090 bond_handshake();
1091 rte_delay_ms(delay);
1092 }
1093
1094 TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
1095
1096 /* Prepare burst. */
1097 for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1098 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1099 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1100
1101 if (retval != 1)
1102 free_pkts(pkts, pkts_cnt);
1103
1104 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate test packet %u",
1105 pkts_cnt);
1106 }
1107 exp_pkts_cnt = pkts_cnt;
1108
1109 /* Transmit packets on bonded device. */
1110 retval = bond_tx(pkts, pkts_cnt);
1111 if (retval > 0 && retval < pkts_cnt)
1112 free_pkts(&pkts[retval], pkts_cnt - retval);
1113
1114 TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1115
1116 /* Check if packets was transmitted properly. Every slave should have
1117 * at least one packet, and sum must match. Under normal operation
1118 * there should be no LACP nor MARKER frames. */
1119 pkts_cnt = 0;
1120 FOR_EACH_SLAVE(i, slave) {
1121 uint16_t normal_cnt, slow_cnt;
1122
1123 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1124 normal_cnt = 0;
1125 slow_cnt = 0;
1126
1127 for (j = 0; j < retval; j++) {
1128 if (make_lacp_reply(slave, pkts[j]) == 1)
1129 normal_cnt++;
1130 else
1131 slow_cnt++;
1132 }
1133
1134 free_pkts(pkts, normal_cnt + slow_cnt);
1135
1136 if (slave_down_id == slave->port_id) {
1137 TEST_ASSERT_EQUAL(normal_cnt + slow_cnt, 0,
1138 "slave %u enexpectedly transmitted %u packets",
1139 normal_cnt + slow_cnt, slave->port_id);
1140 } else {
1141 TEST_ASSERT_EQUAL(slow_cnt, 0,
1142 "slave %u unexpectedly transmitted %d SLOW packets",
1143 slave->port_id, slow_cnt);
1144
1145 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1146 "slave %u did not transmitted any packets", slave->port_id);
1147 }
1148
1149 pkts_cnt += normal_cnt;
1150 }
1151
1152 TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1153 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1154
1155 return remove_slaves_and_stop_bonded_device();
1156 }
1157
1158 static void
init_marker(struct rte_mbuf * pkt,struct slave_conf * slave)1159 init_marker(struct rte_mbuf *pkt, struct slave_conf *slave)
1160 {
1161 struct marker_header *marker_hdr = rte_pktmbuf_mtod(pkt,
1162 struct marker_header *);
1163
1164 /* Copy multicast destination address */
1165 rte_ether_addr_copy(&slow_protocol_mac_addr,
1166 &marker_hdr->eth_hdr.d_addr);
1167
1168 /* Init source address */
1169 rte_ether_addr_copy(&parnter_mac_default, &marker_hdr->eth_hdr.s_addr);
1170 marker_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
1171 slave->port_id;
1172
1173 marker_hdr->eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW);
1174
1175 marker_hdr->marker.subtype = SLOW_SUBTYPE_MARKER;
1176 marker_hdr->marker.version_number = 1;
1177 marker_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_INFO;
1178 marker_hdr->marker.info_length =
1179 offsetof(struct marker, reserved_90) -
1180 offsetof(struct marker, requester_port);
1181 RTE_VERIFY(marker_hdr->marker.info_length == 16);
1182 marker_hdr->marker.requester_port = slave->port_id + 1;
1183 marker_hdr->marker.tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
1184 marker_hdr->marker.terminator_length = 0;
1185 }
1186
1187 static int
test_mode4_marker(void)1188 test_mode4_marker(void)
1189 {
1190 struct slave_conf *slave;
1191 struct rte_mbuf *pkts[MAX_PKT_BURST];
1192 struct rte_mbuf *marker_pkt;
1193 struct marker_header *marker_hdr;
1194
1195 unsigned delay;
1196 int retval;
1197 uint16_t nb_pkts;
1198 uint8_t i, j;
1199 const uint16_t ethtype_slow_be = rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
1200
1201 retval = initialize_bonded_device_with_slaves(TEST_MARKER_SLAVE_COUT,
1202 0);
1203 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1204
1205 /* Test LACP handshake function */
1206 retval = bond_handshake();
1207 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1208
1209 delay = bond_get_update_timeout_ms();
1210 FOR_EACH_SLAVE(i, slave) {
1211 marker_pkt = rte_pktmbuf_alloc(test_params.mbuf_pool);
1212 TEST_ASSERT_NOT_NULL(marker_pkt, "Failed to allocate marker packet");
1213 init_marker(marker_pkt, slave);
1214
1215 retval = slave_put_pkts(slave, &marker_pkt, 1);
1216 if (retval != 1)
1217 rte_pktmbuf_free(marker_pkt);
1218
1219 TEST_ASSERT_EQUAL(retval, 1,
1220 "Failed to send marker packet to slave %u", slave->port_id);
1221
1222 for (j = 0; j < 20; ++j) {
1223 rte_delay_ms(delay);
1224 retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
1225 RTE_DIM(pkts));
1226
1227 if (retval > 0)
1228 free_pkts(pkts, retval);
1229
1230 TEST_ASSERT_EQUAL(retval, 0, "Received packets unexpectedly");
1231
1232 retval = rte_eth_tx_burst(test_params.bonded_port_id, 0, NULL, 0);
1233 TEST_ASSERT_EQUAL(retval, 0,
1234 "Requested TX of 0 packets but %d transmitted", retval);
1235
1236 /* Check if LACP packet was send by state machines
1237 First and only packet must be a maker response */
1238 retval = slave_get_pkts(slave, pkts, MAX_PKT_BURST);
1239 if (retval == 0)
1240 continue;
1241 if (retval > 1)
1242 free_pkts(pkts, retval);
1243
1244 TEST_ASSERT_EQUAL(retval, 1, "failed to get slave packets");
1245 nb_pkts = retval;
1246
1247 marker_hdr = rte_pktmbuf_mtod(pkts[0], struct marker_header *);
1248 /* Check if it's slow packet*/
1249 if (marker_hdr->eth_hdr.ether_type != ethtype_slow_be)
1250 retval = -1;
1251 /* Check if it's marker packet */
1252 else if (marker_hdr->marker.subtype != SLOW_SUBTYPE_MARKER)
1253 retval = -2;
1254 else if (marker_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_RESP)
1255 retval = -3;
1256
1257 free_pkts(pkts, nb_pkts);
1258
1259 TEST_ASSERT_NOT_EQUAL(retval, -1, "Unexpected protocol type");
1260 TEST_ASSERT_NOT_EQUAL(retval, -2, "Unexpected sub protocol type");
1261 TEST_ASSERT_NOT_EQUAL(retval, -3, "Unexpected marker type");
1262 break;
1263 }
1264
1265 TEST_ASSERT(j < 20, "Marker response not found");
1266 }
1267
1268 retval = remove_slaves_and_stop_bonded_device();
1269 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1270
1271 return TEST_SUCCESS;
1272 }
1273
1274 static int
test_mode4_expired(void)1275 test_mode4_expired(void)
1276 {
1277 struct slave_conf *slave, *exp_slave = NULL;
1278 struct rte_mbuf *pkts[MAX_PKT_BURST];
1279 int retval;
1280 uint32_t old_delay;
1281
1282 uint8_t i;
1283 uint16_t j;
1284
1285 struct rte_eth_bond_8023ad_conf conf;
1286
1287 retval = initialize_bonded_device_with_slaves(TEST_EXPIRED_SLAVE_COUNT,
1288 0);
1289 /* Set custom timeouts to make test last shorter. */
1290 rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
1291 conf.fast_periodic_ms = 100;
1292 conf.slow_periodic_ms = 600;
1293 conf.short_timeout_ms = 300;
1294 conf.long_timeout_ms = 900;
1295 conf.aggregate_wait_timeout_ms = 200;
1296 conf.tx_period_ms = 100;
1297 old_delay = conf.update_timeout_ms;
1298 conf.update_timeout_ms = 10;
1299 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
1300
1301 /* Wait for new settings to be applied. */
1302 for (i = 0; i < old_delay/conf.update_timeout_ms * 2; i++) {
1303 FOR_EACH_SLAVE(j, slave)
1304 bond_handshake_reply(slave);
1305
1306 rte_delay_ms(conf.update_timeout_ms);
1307 }
1308
1309 retval = bond_handshake();
1310 TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1311
1312 /* Find first slave */
1313 FOR_EACH_SLAVE(i, slave) {
1314 exp_slave = slave;
1315 break;
1316 }
1317
1318 RTE_VERIFY(exp_slave != NULL);
1319
1320 /* When one of partners do not send or respond to LACP frame in
1321 * conf.long_timeout_ms time, internal state machines should detect this
1322 * and transit to expired state. */
1323 for (j = 0; j < conf.long_timeout_ms/conf.update_timeout_ms + 2; j++) {
1324 rte_delay_ms(conf.update_timeout_ms);
1325
1326 retval = bond_tx(NULL, 0);
1327 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1328 retval);
1329
1330 FOR_EACH_SLAVE(i, slave) {
1331 retval = bond_handshake_reply(slave);
1332 TEST_ASSERT(retval >= 0, "Handshake failed");
1333
1334 /* Remove replay for slave that suppose to be expired. */
1335 if (slave == exp_slave) {
1336 while (rte_ring_count(slave->rx_queue) > 0) {
1337 void *pkt = NULL;
1338
1339 rte_ring_dequeue(slave->rx_queue, &pkt);
1340 rte_pktmbuf_free(pkt);
1341 }
1342 }
1343 }
1344
1345 retval = bond_rx(pkts, RTE_DIM(pkts));
1346 if (retval > 0)
1347 free_pkts(pkts, retval);
1348
1349 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1350 retval);
1351 }
1352
1353 /* After test only expected slave should be in EXPIRED state */
1354 FOR_EACH_SLAVE(i, slave) {
1355 if (slave == exp_slave)
1356 TEST_ASSERT(slave->lacp_parnter_state & STATE_EXPIRED,
1357 "Slave %u should be in expired.", slave->port_id);
1358 else
1359 TEST_ASSERT_EQUAL(bond_handshake_done(slave), 1,
1360 "Slave %u should be operational.", slave->port_id);
1361 }
1362
1363 retval = remove_slaves_and_stop_bonded_device();
1364 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1365
1366 return TEST_SUCCESS;
1367 }
1368
1369 static int
test_mode4_ext_ctrl(void)1370 test_mode4_ext_ctrl(void)
1371 {
1372 /*
1373 * configure bonded interface without the external sm enabled
1374 * . try to transmit lacpdu (should fail)
1375 * . try to set collecting and distributing flags (should fail)
1376 * reconfigure w/external sm
1377 * . transmit one lacpdu on each slave using new api
1378 * . make sure each slave receives one lacpdu using the callback api
1379 * . transmit one data pdu on each slave (should fail)
1380 * . enable distribution and collection, send one data pdu each again
1381 */
1382
1383 int retval;
1384 struct slave_conf *slave = NULL;
1385 uint8_t i;
1386
1387 struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1388 struct rte_ether_addr src_mac, dst_mac;
1389 struct lacpdu_header lacpdu = {
1390 .lacpdu = {
1391 .subtype = SLOW_SUBTYPE_LACP,
1392 },
1393 };
1394
1395 rte_ether_addr_copy(&parnter_system, &src_mac);
1396 rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1397
1398 initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1399 RTE_ETHER_TYPE_SLOW, 0, 0);
1400
1401 for (i = 0; i < SLAVE_COUNT; i++) {
1402 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1403 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1404 &lacpdu, sizeof(lacpdu));
1405 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1406 }
1407
1408 retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1409 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1410
1411 FOR_EACH_SLAVE(i, slave) {
1412 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_slowtx(
1413 test_params.bonded_port_id,
1414 slave->port_id, lacp_tx_buf[i]),
1415 "Slave should not allow manual LACP xmit");
1416 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_collect(
1417 test_params.bonded_port_id,
1418 slave->port_id, 1),
1419 "Slave should not allow external state controls");
1420 }
1421
1422 free_pkts(lacp_tx_buf, RTE_DIM(lacp_tx_buf));
1423
1424 retval = remove_slaves_and_stop_bonded_device();
1425 TEST_ASSERT_SUCCESS(retval, "Bonded device cleanup failed.");
1426
1427 return TEST_SUCCESS;
1428 }
1429
1430
1431 static int
test_mode4_ext_lacp(void)1432 test_mode4_ext_lacp(void)
1433 {
1434 int retval;
1435 struct slave_conf *slave = NULL;
1436 uint8_t all_slaves_done = 0, i;
1437 uint16_t nb_pkts;
1438 const unsigned int delay = bond_get_update_timeout_ms();
1439
1440 struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1441 struct rte_mbuf *buf[SLAVE_COUNT];
1442 struct rte_ether_addr src_mac, dst_mac;
1443 struct lacpdu_header lacpdu = {
1444 .lacpdu = {
1445 .subtype = SLOW_SUBTYPE_LACP,
1446 },
1447 };
1448
1449 rte_ether_addr_copy(&parnter_system, &src_mac);
1450 rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1451
1452 initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1453 RTE_ETHER_TYPE_SLOW, 0, 0);
1454
1455 for (i = 0; i < SLAVE_COUNT; i++) {
1456 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1457 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1458 &lacpdu, sizeof(lacpdu));
1459 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1460 }
1461
1462 retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 1);
1463 TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1464
1465 memset(lacpdu_rx_count, 0, sizeof(lacpdu_rx_count));
1466
1467 /* Wait for new settings to be applied. */
1468 for (i = 0; i < 30; ++i)
1469 rte_delay_ms(delay);
1470
1471 FOR_EACH_SLAVE(i, slave) {
1472 retval = rte_eth_bond_8023ad_ext_slowtx(
1473 test_params.bonded_port_id,
1474 slave->port_id, lacp_tx_buf[i]);
1475 TEST_ASSERT_SUCCESS(retval,
1476 "Slave should allow manual LACP xmit");
1477 }
1478
1479 nb_pkts = bond_tx(NULL, 0);
1480 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
1481
1482 FOR_EACH_SLAVE(i, slave) {
1483 nb_pkts = slave_get_pkts(slave, buf, RTE_DIM(buf));
1484 TEST_ASSERT_EQUAL(nb_pkts, 1, "found %u packets on slave %d\n",
1485 nb_pkts, i);
1486 slave_put_pkts(slave, buf, nb_pkts);
1487 }
1488
1489 nb_pkts = bond_rx(buf, RTE_DIM(buf));
1490 free_pkts(buf, nb_pkts);
1491 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
1492
1493 /* wait for the periodic callback to run */
1494 for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
1495 uint8_t s, total = 0;
1496
1497 rte_delay_ms(delay);
1498 FOR_EACH_SLAVE(s, slave) {
1499 total += lacpdu_rx_count[slave->port_id];
1500 }
1501
1502 if (total >= SLAVE_COUNT)
1503 all_slaves_done = 1;
1504 }
1505
1506 FOR_EACH_SLAVE(i, slave) {
1507 TEST_ASSERT_EQUAL(lacpdu_rx_count[slave->port_id], 1,
1508 "Slave port %u should have received 1 lacpdu (count=%u)",
1509 slave->port_id,
1510 lacpdu_rx_count[slave->port_id]);
1511 }
1512
1513 retval = remove_slaves_and_stop_bonded_device();
1514 TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1515
1516 return TEST_SUCCESS;
1517 }
1518
1519 static int
check_environment(void)1520 check_environment(void)
1521 {
1522 struct slave_conf *port;
1523 uint8_t i, env_state;
1524 uint16_t slaves[RTE_DIM(test_params.slave_ports)];
1525 int slaves_count;
1526
1527 env_state = 0;
1528 FOR_EACH_PORT(i, port) {
1529 if (rte_ring_count(port->rx_queue) != 0)
1530 env_state |= 0x01;
1531
1532 if (rte_ring_count(port->tx_queue) != 0)
1533 env_state |= 0x02;
1534
1535 if (port->bonded != 0)
1536 env_state |= 0x04;
1537
1538 if (port->lacp_parnter_state != 0)
1539 env_state |= 0x08;
1540
1541 if (env_state != 0)
1542 break;
1543 }
1544
1545 slaves_count = rte_eth_bond_slaves_get(test_params.bonded_port_id,
1546 slaves, RTE_DIM(slaves));
1547
1548 if (slaves_count != 0)
1549 env_state |= 0x10;
1550
1551 TEST_ASSERT_EQUAL(env_state, 0,
1552 "Environment not clean (port %u):%s%s%s%s%s",
1553 port->port_id,
1554 env_state & 0x01 ? " slave rx queue not clean" : "",
1555 env_state & 0x02 ? " slave tx queue not clean" : "",
1556 env_state & 0x04 ? " port marked as enslaved" : "",
1557 env_state & 0x80 ? " slave state is not reset" : "",
1558 env_state & 0x10 ? " slave count not equal 0" : ".");
1559
1560
1561 return TEST_SUCCESS;
1562 }
1563
1564 static int
test_mode4_executor(int (* test_func)(void))1565 test_mode4_executor(int (*test_func)(void))
1566 {
1567 struct slave_conf *port;
1568 int test_result;
1569 uint8_t i;
1570 void *pkt;
1571
1572 /* Check if environment is clean. Fail to launch a test if there was
1573 * a critical error before that prevented to reset environment. */
1574 TEST_ASSERT_SUCCESS(check_environment(),
1575 "Refusing to launch test in dirty environment.");
1576
1577 RTE_VERIFY(test_func != NULL);
1578 test_result = (*test_func)();
1579
1580 /* If test succeed check if environment wast left in good condition. */
1581 if (test_result == TEST_SUCCESS)
1582 test_result = check_environment();
1583
1584 /* Reset environment in case test failed to do that. */
1585 if (test_result != TEST_SUCCESS) {
1586 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(),
1587 "Failed to stop bonded device");
1588
1589 FOR_EACH_PORT(i, port) {
1590 while (rte_ring_count(port->rx_queue) != 0) {
1591 if (rte_ring_dequeue(port->rx_queue, &pkt) == 0)
1592 rte_pktmbuf_free(pkt);
1593 }
1594
1595 while (rte_ring_count(port->tx_queue) != 0) {
1596 if (rte_ring_dequeue(port->tx_queue, &pkt) == 0)
1597 rte_pktmbuf_free(pkt);
1598 }
1599 }
1600 }
1601
1602 return test_result;
1603 }
1604
1605 static int
test_mode4_agg_mode_selection_wrapper(void)1606 test_mode4_agg_mode_selection_wrapper(void){
1607 return test_mode4_executor(&test_mode4_agg_mode_selection);
1608 }
1609
1610 static int
test_mode4_lacp_wrapper(void)1611 test_mode4_lacp_wrapper(void)
1612 {
1613 return test_mode4_executor(&test_mode4_lacp);
1614 }
1615
1616 static int
test_mode4_marker_wrapper(void)1617 test_mode4_marker_wrapper(void)
1618 {
1619 return test_mode4_executor(&test_mode4_marker);
1620 }
1621
1622 static int
test_mode4_rx_wrapper(void)1623 test_mode4_rx_wrapper(void)
1624 {
1625 return test_mode4_executor(&test_mode4_rx);
1626 }
1627
1628 static int
test_mode4_tx_burst_wrapper(void)1629 test_mode4_tx_burst_wrapper(void)
1630 {
1631 return test_mode4_executor(&test_mode4_tx_burst);
1632 }
1633
1634 static int
test_mode4_expired_wrapper(void)1635 test_mode4_expired_wrapper(void)
1636 {
1637 return test_mode4_executor(&test_mode4_expired);
1638 }
1639
1640 static int
test_mode4_ext_ctrl_wrapper(void)1641 test_mode4_ext_ctrl_wrapper(void)
1642 {
1643 return test_mode4_executor(&test_mode4_ext_ctrl);
1644 }
1645
1646 static int
test_mode4_ext_lacp_wrapper(void)1647 test_mode4_ext_lacp_wrapper(void)
1648 {
1649 return test_mode4_executor(&test_mode4_ext_lacp);
1650 }
1651
1652 static struct unit_test_suite link_bonding_mode4_test_suite = {
1653 .suite_name = "Link Bonding mode 4 Unit Test Suite",
1654 .setup = test_setup,
1655 .teardown = testsuite_teardown,
1656 .unit_test_cases = {
1657 TEST_CASE_NAMED("test_mode4_agg_mode_selection",
1658 test_mode4_agg_mode_selection_wrapper),
1659 TEST_CASE_NAMED("test_mode4_lacp", test_mode4_lacp_wrapper),
1660 TEST_CASE_NAMED("test_mode4_rx", test_mode4_rx_wrapper),
1661 TEST_CASE_NAMED("test_mode4_tx_burst", test_mode4_tx_burst_wrapper),
1662 TEST_CASE_NAMED("test_mode4_marker", test_mode4_marker_wrapper),
1663 TEST_CASE_NAMED("test_mode4_expired", test_mode4_expired_wrapper),
1664 TEST_CASE_NAMED("test_mode4_ext_ctrl",
1665 test_mode4_ext_ctrl_wrapper),
1666 TEST_CASE_NAMED("test_mode4_ext_lacp",
1667 test_mode4_ext_lacp_wrapper),
1668
1669 TEST_CASES_END() /**< NULL terminate unit test array */
1670 }
1671 };
1672
1673 static int
test_link_bonding_mode4(void)1674 test_link_bonding_mode4(void)
1675 {
1676 return unit_test_suite_runner(&link_bonding_mode4_test_suite);
1677 }
1678
1679 REGISTER_TEST_COMMAND(link_bonding_mode4_autotest, test_link_bonding_mode4);
1680