xref: /dpdk/examples/bond/main.c (revision c9902a15bd005b6d4fe072cf7b60fe4ee679155f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2015 Intel Corporation
3  */
4 
5 #include <stdint.h>
6 #include <sys/queue.h>
7 #include <sys/socket.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <stdio.h>
11 #include <assert.h>
12 #include <errno.h>
13 #include <signal.h>
14 #include <stdarg.h>
15 #include <inttypes.h>
16 #include <getopt.h>
17 #include <termios.h>
18 #include <unistd.h>
19 #include <pthread.h>
20 
21 #include <rte_common.h>
22 #include <rte_log.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
25 #include <rte_eal.h>
26 #include <rte_launch.h>
27 #include <rte_atomic.h>
28 #include <rte_cycles.h>
29 #include <rte_prefetch.h>
30 #include <rte_lcore.h>
31 #include <rte_per_lcore.h>
32 #include <rte_branch_prediction.h>
33 #include <rte_interrupts.h>
34 #include <rte_random.h>
35 #include <rte_debug.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_mempool.h>
39 #include <rte_mbuf.h>
40 #include <rte_ip.h>
41 #include <rte_tcp.h>
42 #include <rte_arp.h>
43 #include <rte_spinlock.h>
44 #include <rte_devargs.h>
45 #include <rte_byteorder.h>
46 #include <rte_cpuflags.h>
47 #include <rte_eth_bond.h>
48 
49 #include <cmdline_rdline.h>
50 #include <cmdline_parse.h>
51 #include <cmdline_parse_num.h>
52 #include <cmdline_parse_string.h>
53 #include <cmdline_parse_ipaddr.h>
54 #include <cmdline_parse_etheraddr.h>
55 #include <cmdline_socket.h>
56 #include <cmdline.h>
57 
58 #include "main.h"
59 
60 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
61 
62 #define NB_MBUF   (1024*8)
63 
64 #define MAX_PKT_BURST 32
65 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
66 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
67 
68 /*
69  * RX and TX Prefetch, Host, and Write-back threshold values should be
70  * carefully set for optimal performance. Consult the network
71  * controller's datasheet and supporting DPDK documentation for guidance
72  * on how these parameters should be set.
73  */
74 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
75 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
76 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
77 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
78 
79 /*
80  * These default values are optimized for use with the Intel(R) 82599 10 GbE
81  * Controller and the DPDK ixgbe PMD. Consider using other values for other
82  * network controllers and/or network drivers.
83  */
84 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
85 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
86 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
87 
88 /*
89  * Configurable number of RX/TX ring descriptors
90  */
91 #define RTE_RX_DESC_DEFAULT 1024
92 #define RTE_TX_DESC_DEFAULT 1024
93 
94 #define BOND_IP_1	7
95 #define BOND_IP_2	0
96 #define BOND_IP_3	0
97 #define BOND_IP_4	10
98 
99 /* not defined under linux */
100 #ifndef NIPQUAD
101 #define NIPQUAD_FMT "%u.%u.%u.%u"
102 #endif
103 
104 #define MAX_PORTS	4
105 #define PRINT_MAC(addr)		printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
106 		":%02"PRIx8":%02"PRIx8":%02"PRIx8,	\
107 		RTE_ETHER_ADDR_BYTES(&addr))
108 
109 uint16_t slaves[RTE_MAX_ETHPORTS];
110 uint16_t slaves_count;
111 
112 static uint16_t BOND_PORT = 0xffff;
113 
114 static struct rte_mempool *mbuf_pool;
115 
116 static struct rte_eth_conf port_conf = {
117 	.rxmode = {
118 		.mq_mode = ETH_MQ_RX_NONE,
119 		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
120 		.split_hdr_size = 0,
121 	},
122 	.rx_adv_conf = {
123 		.rss_conf = {
124 			.rss_key = NULL,
125 			.rss_hf = ETH_RSS_IP,
126 		},
127 	},
128 	.txmode = {
129 		.mq_mode = ETH_MQ_TX_NONE,
130 	},
131 };
132 
133 static void
134 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
135 {
136 	int retval;
137 	uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
138 	uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
139 	struct rte_eth_dev_info dev_info;
140 	struct rte_eth_rxconf rxq_conf;
141 	struct rte_eth_txconf txq_conf;
142 	struct rte_eth_conf local_port_conf = port_conf;
143 
144 	if (!rte_eth_dev_is_valid_port(portid))
145 		rte_exit(EXIT_FAILURE, "Invalid port\n");
146 
147 	retval = rte_eth_dev_info_get(portid, &dev_info);
148 	if (retval != 0)
149 		rte_exit(EXIT_FAILURE,
150 			"Error during getting device (port %u) info: %s\n",
151 			portid, strerror(-retval));
152 
153 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
154 		local_port_conf.txmode.offloads |=
155 			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
156 
157 	local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
158 		dev_info.flow_type_rss_offloads;
159 	if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
160 			port_conf.rx_adv_conf.rss_conf.rss_hf) {
161 		printf("Port %u modified RSS hash function based on hardware support,"
162 			"requested:%#"PRIx64" configured:%#"PRIx64"\n",
163 			portid,
164 			port_conf.rx_adv_conf.rss_conf.rss_hf,
165 			local_port_conf.rx_adv_conf.rss_conf.rss_hf);
166 	}
167 
168 	retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
169 	if (retval != 0)
170 		rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
171 				portid, retval);
172 
173 	retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
174 	if (retval != 0)
175 		rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
176 				"failed (res=%d)\n", portid, retval);
177 
178 	/* RX setup */
179 	rxq_conf = dev_info.default_rxconf;
180 	rxq_conf.offloads = local_port_conf.rxmode.offloads;
181 	retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
182 					rte_eth_dev_socket_id(portid),
183 					&rxq_conf,
184 					mbuf_pool);
185 	if (retval < 0)
186 		rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
187 				portid, retval);
188 
189 	/* TX setup */
190 	txq_conf = dev_info.default_txconf;
191 	txq_conf.offloads = local_port_conf.txmode.offloads;
192 	retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
193 				rte_eth_dev_socket_id(portid), &txq_conf);
194 
195 	if (retval < 0)
196 		rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
197 				portid, retval);
198 
199 	retval  = rte_eth_dev_start(portid);
200 	if (retval < 0)
201 		rte_exit(retval,
202 				"Start port %d failed (res=%d)",
203 				portid, retval);
204 
205 	struct rte_ether_addr addr;
206 
207 	retval = rte_eth_macaddr_get(portid, &addr);
208 	if (retval != 0)
209 		rte_exit(retval,
210 				"Mac address get port %d failed (res=%d)",
211 				portid, retval);
212 
213 	printf("Port %u MAC: ", portid);
214 	PRINT_MAC(addr);
215 	printf("\n");
216 }
217 
218 static void
219 bond_port_init(struct rte_mempool *mbuf_pool)
220 {
221 	int retval;
222 	uint8_t i;
223 	uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
224 	uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
225 	struct rte_eth_dev_info dev_info;
226 	struct rte_eth_rxconf rxq_conf;
227 	struct rte_eth_txconf txq_conf;
228 	struct rte_eth_conf local_port_conf = port_conf;
229 	uint16_t wait_counter = 20;
230 
231 	retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
232 			0 /*SOCKET_ID_ANY*/);
233 	if (retval < 0)
234 		rte_exit(EXIT_FAILURE,
235 				"Faled to create bond port\n");
236 
237 	BOND_PORT = retval;
238 
239 	retval = rte_eth_dev_info_get(BOND_PORT, &dev_info);
240 	if (retval != 0)
241 		rte_exit(EXIT_FAILURE,
242 			"Error during getting device (port %u) info: %s\n",
243 			BOND_PORT, strerror(-retval));
244 
245 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
246 		local_port_conf.txmode.offloads |=
247 			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
248 	retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
249 	if (retval != 0)
250 		rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
251 				BOND_PORT, retval);
252 
253 	retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
254 	if (retval != 0)
255 		rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
256 				"failed (res=%d)\n", BOND_PORT, retval);
257 
258 	for (i = 0; i < slaves_count; i++) {
259 		if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
260 			rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
261 					slaves[i], BOND_PORT);
262 
263 	}
264 
265 	/* RX setup */
266 	rxq_conf = dev_info.default_rxconf;
267 	rxq_conf.offloads = local_port_conf.rxmode.offloads;
268 	retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
269 					rte_eth_dev_socket_id(BOND_PORT),
270 					&rxq_conf, mbuf_pool);
271 	if (retval < 0)
272 		rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
273 				BOND_PORT, retval);
274 
275 	/* TX setup */
276 	txq_conf = dev_info.default_txconf;
277 	txq_conf.offloads = local_port_conf.txmode.offloads;
278 	retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
279 				rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
280 
281 	if (retval < 0)
282 		rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
283 				BOND_PORT, retval);
284 
285 	retval  = rte_eth_dev_start(BOND_PORT);
286 	if (retval < 0)
287 		rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
288 
289 	printf("Waiting for slaves to become active...");
290 	while (wait_counter) {
291 		uint16_t act_slaves[16] = {0};
292 		if (rte_eth_bond_active_slaves_get(BOND_PORT, act_slaves, 16) ==
293 				slaves_count) {
294 			printf("\n");
295 			break;
296 		}
297 		sleep(1);
298 		printf("...");
299 		if (--wait_counter == 0)
300 			rte_exit(-1, "\nFailed to activate slaves\n");
301 	}
302 
303 	retval = rte_eth_promiscuous_enable(BOND_PORT);
304 	if (retval != 0) {
305 		rte_exit(EXIT_FAILURE,
306 				"port %u: promiscuous mode enable failed: %s\n",
307 				BOND_PORT, rte_strerror(-retval));
308 		return;
309 	}
310 
311 	struct rte_ether_addr addr;
312 
313 	retval = rte_eth_macaddr_get(BOND_PORT, &addr);
314 	if (retval != 0)
315 		rte_exit(retval, "port %u: Mac address get failed (res=%d)",
316 				BOND_PORT, retval);
317 
318 	printf("Port %u MAC: ", (unsigned)BOND_PORT);
319 		PRINT_MAC(addr);
320 		printf("\n");
321 }
322 
323 static inline size_t
324 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto)
325 {
326 	size_t vlan_offset = 0;
327 
328 	if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
329 		struct rte_vlan_hdr *vlan_hdr =
330 			(struct rte_vlan_hdr *)(eth_hdr + 1);
331 
332 		vlan_offset = sizeof(struct rte_vlan_hdr);
333 		*proto = vlan_hdr->eth_proto;
334 
335 		if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
336 			vlan_hdr = vlan_hdr + 1;
337 
338 			*proto = vlan_hdr->eth_proto;
339 			vlan_offset += sizeof(struct rte_vlan_hdr);
340 		}
341 	}
342 	return vlan_offset;
343 }
344 
345 struct global_flag_stru_t {
346 	int LcoreMainIsRunning;
347 	int LcoreMainCore;
348 	uint32_t port_packets[4];
349 	rte_spinlock_t lock;
350 };
351 struct global_flag_stru_t global_flag_stru;
352 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
353 
354 /*
355  * Main thread that does the work, reading from INPUT_PORT
356  * and writing to OUTPUT_PORT
357  */
358 static int lcore_main(__rte_unused void *arg1)
359 {
360 	struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
361 	struct rte_ether_addr d_addr;
362 
363 	struct rte_ether_addr bond_mac_addr;
364 	struct rte_ether_hdr *eth_hdr;
365 	struct rte_arp_hdr *arp_hdr;
366 	struct rte_ipv4_hdr *ipv4_hdr;
367 	uint16_t ether_type, offset;
368 
369 	uint16_t rx_cnt;
370 	uint32_t bond_ip;
371 	int i = 0;
372 	uint8_t is_free;
373 	int ret;
374 
375 	bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
376 				(BOND_IP_3 << 16) | (BOND_IP_4 << 24);
377 
378 	rte_spinlock_trylock(&global_flag_stru_p->lock);
379 
380 	while (global_flag_stru_p->LcoreMainIsRunning) {
381 		rte_spinlock_unlock(&global_flag_stru_p->lock);
382 		rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
383 		is_free = 0;
384 
385 		/* If didn't receive any packets, wait and go to next iteration */
386 		if (rx_cnt == 0) {
387 			rte_delay_us(50);
388 			continue;
389 		}
390 
391 		ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr);
392 		if (ret != 0) {
393 			printf("Bond (port %u) MAC address get failed: %s.\n"
394 			       "%u packets dropped", BOND_PORT, strerror(-ret),
395 			       rx_cnt);
396 			rte_pktmbuf_free(pkts[i]);
397 			continue;
398 		}
399 
400 		/* Search incoming data for ARP packets and prepare response */
401 		for (i = 0; i < rx_cnt; i++) {
402 			if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
403 				global_flag_stru_p->port_packets[0]++;
404 				rte_spinlock_unlock(&global_flag_stru_p->lock);
405 			}
406 			eth_hdr = rte_pktmbuf_mtod(pkts[i],
407 						struct rte_ether_hdr *);
408 			ether_type = eth_hdr->ether_type;
409 			if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN))
410 				printf("VLAN taged frame, offset:");
411 			offset = get_vlan_offset(eth_hdr, &ether_type);
412 			if (offset > 0)
413 				printf("%d\n", offset);
414 			if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
415 				if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
416 					global_flag_stru_p->port_packets[1]++;
417 					rte_spinlock_unlock(&global_flag_stru_p->lock);
418 				}
419 				arp_hdr = (struct rte_arp_hdr *)(
420 					(char *)(eth_hdr + 1) + offset);
421 				if (arp_hdr->arp_data.arp_tip == bond_ip) {
422 					if (arp_hdr->arp_opcode == rte_cpu_to_be_16(RTE_ARP_OP_REQUEST)) {
423 						arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REPLY);
424 						/* Switch src and dst data and set bonding MAC */
425 						rte_ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
426 						rte_ether_addr_copy(&bond_mac_addr, &eth_hdr->s_addr);
427 						rte_ether_addr_copy(&arp_hdr->arp_data.arp_sha,
428 								&arp_hdr->arp_data.arp_tha);
429 						arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
430 						rte_ether_addr_copy(&bond_mac_addr, &d_addr);
431 						rte_ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
432 						arp_hdr->arp_data.arp_sip = bond_ip;
433 						rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
434 						is_free = 1;
435 					} else {
436 						rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
437 					}
438 				}
439 			} else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
440 				if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
441 					global_flag_stru_p->port_packets[2]++;
442 					rte_spinlock_unlock(&global_flag_stru_p->lock);
443 				 }
444 				ipv4_hdr = (struct rte_ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
445 				if (ipv4_hdr->dst_addr == bond_ip) {
446 					rte_ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
447 					rte_ether_addr_copy(&bond_mac_addr, &eth_hdr->s_addr);
448 					ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
449 					ipv4_hdr->src_addr = bond_ip;
450 					rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
451 				}
452 
453 			}
454 
455 			/* Free processed packets */
456 			if (is_free == 0)
457 				rte_pktmbuf_free(pkts[i]);
458 		}
459 		rte_spinlock_trylock(&global_flag_stru_p->lock);
460 	}
461 	rte_spinlock_unlock(&global_flag_stru_p->lock);
462 	printf("BYE lcore_main\n");
463 	return 0;
464 }
465 
466 struct cmd_obj_send_result {
467 	cmdline_fixed_string_t action;
468 	cmdline_ipaddr_t ip;
469 };
470 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
471 {
472 	snprintf(buf, size, NIPQUAD_FMT,
473 		((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
474 		((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
475 		((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
476 		((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
477 		);
478 }
479 static void cmd_obj_send_parsed(void *parsed_result,
480 		__rte_unused struct cmdline *cl,
481 			       __rte_unused void *data)
482 {
483 
484 	struct cmd_obj_send_result *res = parsed_result;
485 	char ip_str[INET6_ADDRSTRLEN];
486 
487 	struct rte_ether_addr bond_mac_addr;
488 	struct rte_mbuf *created_pkt;
489 	struct rte_ether_hdr *eth_hdr;
490 	struct rte_arp_hdr *arp_hdr;
491 
492 	uint32_t bond_ip;
493 	size_t pkt_size;
494 	int ret;
495 
496 	if (res->ip.family == AF_INET)
497 		get_string(res, ip_str, INET_ADDRSTRLEN);
498 	else
499 		cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
500 
501 	bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
502 				(BOND_IP_3 << 16) | (BOND_IP_4 << 24);
503 
504 	ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr);
505 	if (ret != 0) {
506 		cmdline_printf(cl,
507 			       "Failed to get bond (port %u) MAC address: %s\n",
508 			       BOND_PORT, strerror(-ret));
509 	}
510 
511 	created_pkt = rte_pktmbuf_alloc(mbuf_pool);
512 	if (created_pkt == NULL) {
513 		cmdline_printf(cl, "Failed to allocate mbuf\n");
514 		return;
515 	}
516 
517 	pkt_size = sizeof(struct rte_ether_hdr) + sizeof(struct rte_arp_hdr);
518 	created_pkt->data_len = pkt_size;
519 	created_pkt->pkt_len = pkt_size;
520 
521 	eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *);
522 	rte_ether_addr_copy(&bond_mac_addr, &eth_hdr->s_addr);
523 	memset(&eth_hdr->d_addr, 0xFF, RTE_ETHER_ADDR_LEN);
524 	eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP);
525 
526 	arp_hdr = (struct rte_arp_hdr *)(
527 		(char *)eth_hdr + sizeof(struct rte_ether_hdr));
528 	arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER);
529 	arp_hdr->arp_protocol = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
530 	arp_hdr->arp_hlen = RTE_ETHER_ADDR_LEN;
531 	arp_hdr->arp_plen = sizeof(uint32_t);
532 	arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REQUEST);
533 
534 	rte_ether_addr_copy(&bond_mac_addr, &arp_hdr->arp_data.arp_sha);
535 	arp_hdr->arp_data.arp_sip = bond_ip;
536 	memset(&arp_hdr->arp_data.arp_tha, 0, RTE_ETHER_ADDR_LEN);
537 	arp_hdr->arp_data.arp_tip =
538 			  ((unsigned char *)&res->ip.addr.ipv4)[0]        |
539 			 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
540 			 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
541 			 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
542 	rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
543 
544 	rte_delay_ms(100);
545 	cmdline_printf(cl, "\n");
546 }
547 
548 cmdline_parse_token_string_t cmd_obj_action_send =
549 	TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
550 cmdline_parse_token_ipaddr_t cmd_obj_ip =
551 	TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
552 
553 cmdline_parse_inst_t cmd_obj_send = {
554 	.f = cmd_obj_send_parsed,  /* function to call */
555 	.data = NULL,      /* 2nd arg of func */
556 	.help_str = "send client_ip",
557 	.tokens = {        /* token list, NULL terminated */
558 		(void *)&cmd_obj_action_send,
559 		(void *)&cmd_obj_ip,
560 		NULL,
561 	},
562 };
563 
564 struct cmd_start_result {
565 	cmdline_fixed_string_t start;
566 };
567 
568 static void cmd_start_parsed(__rte_unused void *parsed_result,
569 			       struct cmdline *cl,
570 			       __rte_unused void *data)
571 {
572 	int worker_core_id = rte_lcore_id();
573 
574 	rte_spinlock_trylock(&global_flag_stru_p->lock);
575 	if (global_flag_stru_p->LcoreMainIsRunning == 0) {
576 		if (rte_eal_get_lcore_state(global_flag_stru_p->LcoreMainCore)
577 		    != WAIT) {
578 			rte_spinlock_unlock(&global_flag_stru_p->lock);
579 			return;
580 		}
581 		rte_spinlock_unlock(&global_flag_stru_p->lock);
582 	} else {
583 		cmdline_printf(cl, "lcore_main already running on core:%d\n",
584 				global_flag_stru_p->LcoreMainCore);
585 		rte_spinlock_unlock(&global_flag_stru_p->lock);
586 		return;
587 	}
588 
589 	/* start lcore main on core != main_core - ARP response thread */
590 	worker_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
591 	if ((worker_core_id >= RTE_MAX_LCORE) || (worker_core_id == 0))
592 		return;
593 
594 	rte_spinlock_trylock(&global_flag_stru_p->lock);
595 	global_flag_stru_p->LcoreMainIsRunning = 1;
596 	rte_spinlock_unlock(&global_flag_stru_p->lock);
597 	cmdline_printf(cl,
598 			"Starting lcore_main on core %d:%d "
599 			"Our IP:%d.%d.%d.%d\n",
600 			worker_core_id,
601 			rte_eal_remote_launch(lcore_main, NULL, worker_core_id),
602 			BOND_IP_1,
603 			BOND_IP_2,
604 			BOND_IP_3,
605 			BOND_IP_4
606 		);
607 }
608 
609 cmdline_parse_token_string_t cmd_start_start =
610 	TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
611 
612 cmdline_parse_inst_t cmd_start = {
613 	.f = cmd_start_parsed,  /* function to call */
614 	.data = NULL,      /* 2nd arg of func */
615 	.help_str = "starts listening if not started at startup",
616 	.tokens = {        /* token list, NULL terminated */
617 		(void *)&cmd_start_start,
618 		NULL,
619 	},
620 };
621 
622 struct cmd_help_result {
623 	cmdline_fixed_string_t help;
624 };
625 
626 static void cmd_help_parsed(__rte_unused void *parsed_result,
627 			    struct cmdline *cl,
628 			    __rte_unused void *data)
629 {
630 	cmdline_printf(cl,
631 			"ALB - link bonding mode 6 example\n"
632 			"send IP	- sends one ARPrequest through bonding for IP.\n"
633 			"start		- starts listening ARPs.\n"
634 			"stop		- stops lcore_main.\n"
635 			"show		- shows some bond info: ex. active slaves etc.\n"
636 			"help		- prints help.\n"
637 			"quit		- terminate all threads and quit.\n"
638 		       );
639 }
640 
641 cmdline_parse_token_string_t cmd_help_help =
642 	TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
643 
644 cmdline_parse_inst_t cmd_help = {
645 	.f = cmd_help_parsed,  /* function to call */
646 	.data = NULL,      /* 2nd arg of func */
647 	.help_str = "show help",
648 	.tokens = {        /* token list, NULL terminated */
649 		(void *)&cmd_help_help,
650 		NULL,
651 	},
652 };
653 
654 struct cmd_stop_result {
655 	cmdline_fixed_string_t stop;
656 };
657 
658 static void cmd_stop_parsed(__rte_unused void *parsed_result,
659 			    struct cmdline *cl,
660 			    __rte_unused void *data)
661 {
662 	rte_spinlock_trylock(&global_flag_stru_p->lock);
663 	if (global_flag_stru_p->LcoreMainIsRunning == 0)	{
664 		cmdline_printf(cl,
665 					"lcore_main not running on core:%d\n",
666 					global_flag_stru_p->LcoreMainCore);
667 		rte_spinlock_unlock(&global_flag_stru_p->lock);
668 		return;
669 	}
670 	global_flag_stru_p->LcoreMainIsRunning = 0;
671 	if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
672 		cmdline_printf(cl,
673 				"error: lcore_main can not stop on core:%d\n",
674 				global_flag_stru_p->LcoreMainCore);
675 	else
676 		cmdline_printf(cl,
677 				"lcore_main stopped on core:%d\n",
678 				global_flag_stru_p->LcoreMainCore);
679 	rte_spinlock_unlock(&global_flag_stru_p->lock);
680 }
681 
682 cmdline_parse_token_string_t cmd_stop_stop =
683 	TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
684 
685 cmdline_parse_inst_t cmd_stop = {
686 	.f = cmd_stop_parsed,  /* function to call */
687 	.data = NULL,      /* 2nd arg of func */
688 	.help_str = "this command do not handle any arguments",
689 	.tokens = {        /* token list, NULL terminated */
690 		(void *)&cmd_stop_stop,
691 		NULL,
692 	},
693 };
694 
695 struct cmd_quit_result {
696 	cmdline_fixed_string_t quit;
697 };
698 
699 static void cmd_quit_parsed(__rte_unused void *parsed_result,
700 			    struct cmdline *cl,
701 			    __rte_unused void *data)
702 {
703 	rte_spinlock_trylock(&global_flag_stru_p->lock);
704 	if (global_flag_stru_p->LcoreMainIsRunning == 0)	{
705 		cmdline_printf(cl,
706 					"lcore_main not running on core:%d\n",
707 					global_flag_stru_p->LcoreMainCore);
708 		rte_spinlock_unlock(&global_flag_stru_p->lock);
709 		cmdline_quit(cl);
710 		return;
711 	}
712 	global_flag_stru_p->LcoreMainIsRunning = 0;
713 	if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
714 		cmdline_printf(cl,
715 				"error: lcore_main can not stop on core:%d\n",
716 				global_flag_stru_p->LcoreMainCore);
717 	else
718 		cmdline_printf(cl,
719 				"lcore_main stopped on core:%d\n",
720 				global_flag_stru_p->LcoreMainCore);
721 	rte_spinlock_unlock(&global_flag_stru_p->lock);
722 	cmdline_quit(cl);
723 }
724 
725 cmdline_parse_token_string_t cmd_quit_quit =
726 	TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
727 
728 cmdline_parse_inst_t cmd_quit = {
729 	.f = cmd_quit_parsed,  /* function to call */
730 	.data = NULL,      /* 2nd arg of func */
731 	.help_str = "this command do not handle any arguments",
732 	.tokens = {        /* token list, NULL terminated */
733 		(void *)&cmd_quit_quit,
734 		NULL,
735 	},
736 };
737 
738 struct cmd_show_result {
739 	cmdline_fixed_string_t show;
740 };
741 
742 static void cmd_show_parsed(__rte_unused void *parsed_result,
743 			    struct cmdline *cl,
744 			    __rte_unused void *data)
745 {
746 	uint16_t slaves[16] = {0};
747 	uint8_t len = 16;
748 	struct rte_ether_addr addr;
749 	uint16_t i;
750 	int ret;
751 
752 	for (i = 0; i < slaves_count; i++) {
753 		ret = rte_eth_macaddr_get(i, &addr);
754 		if (ret != 0) {
755 			cmdline_printf(cl,
756 				"Failed to get port %u MAC address: %s\n",
757 				i, strerror(-ret));
758 			continue;
759 		}
760 
761 		PRINT_MAC(addr);
762 		printf("\n");
763 	}
764 
765 	rte_spinlock_trylock(&global_flag_stru_p->lock);
766 	cmdline_printf(cl,
767 			"Active_slaves:%d "
768 			"packets received:Tot:%d Arp:%d IPv4:%d\n",
769 			rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
770 			global_flag_stru_p->port_packets[0],
771 			global_flag_stru_p->port_packets[1],
772 			global_flag_stru_p->port_packets[2]);
773 	rte_spinlock_unlock(&global_flag_stru_p->lock);
774 }
775 
776 cmdline_parse_token_string_t cmd_show_show =
777 	TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
778 
779 cmdline_parse_inst_t cmd_show = {
780 	.f = cmd_show_parsed,  /* function to call */
781 	.data = NULL,      /* 2nd arg of func */
782 	.help_str = "this command do not handle any arguments",
783 	.tokens = {        /* token list, NULL terminated */
784 		(void *)&cmd_show_show,
785 		NULL,
786 	},
787 };
788 
789 /****** CONTEXT (list of instruction) */
790 
791 cmdline_parse_ctx_t main_ctx[] = {
792 	(cmdline_parse_inst_t *)&cmd_start,
793 	(cmdline_parse_inst_t *)&cmd_obj_send,
794 	(cmdline_parse_inst_t *)&cmd_stop,
795 	(cmdline_parse_inst_t *)&cmd_show,
796 	(cmdline_parse_inst_t *)&cmd_quit,
797 	(cmdline_parse_inst_t *)&cmd_help,
798 	NULL,
799 };
800 
801 /* prompt function, called from main on MAIN lcore */
802 static void prompt(__rte_unused void *arg1)
803 {
804 	struct cmdline *cl;
805 
806 	cl = cmdline_stdin_new(main_ctx, "bond6>");
807 	if (cl != NULL) {
808 		cmdline_interact(cl);
809 		cmdline_stdin_exit(cl);
810 	}
811 }
812 
813 /* Main function, does initialisation and calls the per-lcore functions */
814 int
815 main(int argc, char *argv[])
816 {
817 	int ret, worker_core_id;
818 	uint16_t nb_ports, i;
819 
820 	/* init EAL */
821 	ret = rte_eal_init(argc, argv);
822 	rte_devargs_dump(stdout);
823 	if (ret < 0)
824 		rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
825 	argc -= ret;
826 	argv += ret;
827 
828 	nb_ports = rte_eth_dev_count_avail();
829 	if (nb_ports == 0)
830 		rte_exit(EXIT_FAILURE, "Give at least one port\n");
831 	else if (nb_ports > MAX_PORTS)
832 		rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
833 
834 	mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
835 		0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
836 	if (mbuf_pool == NULL)
837 		rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
838 
839 	/* initialize all ports */
840 	slaves_count = nb_ports;
841 	RTE_ETH_FOREACH_DEV(i) {
842 		slave_port_init(i, mbuf_pool);
843 		slaves[i] = i;
844 	}
845 
846 	bond_port_init(mbuf_pool);
847 
848 	rte_spinlock_init(&global_flag_stru_p->lock);
849 
850 	/* check state of lcores */
851 	RTE_LCORE_FOREACH_WORKER(worker_core_id) {
852 		if (rte_eal_get_lcore_state(worker_core_id) != WAIT)
853 			return -EBUSY;
854 	}
855 
856 	/* start lcore main on core != main_core - ARP response thread */
857 	worker_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
858 	if ((worker_core_id >= RTE_MAX_LCORE) || (worker_core_id == 0))
859 		return -EPERM;
860 
861 	global_flag_stru_p->LcoreMainIsRunning = 1;
862 	global_flag_stru_p->LcoreMainCore = worker_core_id;
863 	printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
864 			worker_core_id,
865 			rte_eal_remote_launch((lcore_function_t *)lcore_main,
866 					NULL,
867 					worker_core_id),
868 			BOND_IP_1,
869 			BOND_IP_2,
870 			BOND_IP_3,
871 			BOND_IP_4
872 		);
873 
874 	/* Start prompt for user interact */
875 	prompt(NULL);
876 
877 	rte_delay_ms(100);
878 
879 	/* clean up the EAL */
880 	rte_eal_cleanup();
881 
882 	return 0;
883 }
884