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