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9f95a23c TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
2 | * Copyright(c) 2010-2014 Intel Corporation | |
7c673cae FG |
3 | */ |
4 | ||
5 | #include <stdio.h> | |
6 | #include <stdlib.h> | |
7 | #include <stdint.h> | |
8 | #include <inttypes.h> | |
9 | #include <sys/types.h> | |
10 | #include <sys/param.h> | |
11 | #include <string.h> | |
12 | #include <sys/queue.h> | |
13 | #include <stdarg.h> | |
14 | #include <errno.h> | |
15 | #include <getopt.h> | |
16 | ||
17 | #include <rte_common.h> | |
18 | #include <rte_byteorder.h> | |
19 | #include <rte_log.h> | |
20 | #include <rte_memory.h> | |
21 | #include <rte_memcpy.h> | |
7c673cae | 22 | #include <rte_eal.h> |
7c673cae FG |
23 | #include <rte_launch.h> |
24 | #include <rte_atomic.h> | |
25 | #include <rte_cycles.h> | |
26 | #include <rte_prefetch.h> | |
27 | #include <rte_lcore.h> | |
28 | #include <rte_per_lcore.h> | |
29 | #include <rte_branch_prediction.h> | |
30 | #include <rte_interrupts.h> | |
7c673cae FG |
31 | #include <rte_random.h> |
32 | #include <rte_debug.h> | |
33 | #include <rte_ether.h> | |
34 | #include <rte_ethdev.h> | |
35 | #include <rte_mempool.h> | |
36 | #include <rte_mbuf.h> | |
37 | #include <rte_lpm.h> | |
38 | #include <rte_lpm6.h> | |
39 | #include <rte_ip.h> | |
40 | #include <rte_string_fns.h> | |
41 | ||
42 | #include <rte_ip_frag.h> | |
43 | ||
44 | #define RTE_LOGTYPE_IP_FRAG RTE_LOGTYPE_USER1 | |
45 | ||
46 | /* allow max jumbo frame 9.5 KB */ | |
47 | #define JUMBO_FRAME_MAX_SIZE 0x2600 | |
48 | ||
49 | #define ROUNDUP_DIV(a, b) (((a) + (b) - 1) / (b)) | |
50 | ||
51 | /* | |
52 | * Default byte size for the IPv6 Maximum Transfer Unit (MTU). | |
53 | * This value includes the size of IPv6 header. | |
54 | */ | |
55 | #define IPV4_MTU_DEFAULT ETHER_MTU | |
56 | #define IPV6_MTU_DEFAULT ETHER_MTU | |
57 | ||
9f95a23c TL |
58 | /* |
59 | * The overhead from max frame size to MTU. | |
60 | * We have to consider the max possible overhead. | |
61 | */ | |
62 | #define MTU_OVERHEAD \ | |
63 | (ETHER_HDR_LEN + ETHER_CRC_LEN + 2 * sizeof(struct vlan_hdr)) | |
64 | ||
7c673cae FG |
65 | /* |
66 | * Default payload in bytes for the IPv6 packet. | |
67 | */ | |
68 | #define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct ipv4_hdr)) | |
69 | #define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct ipv6_hdr)) | |
70 | ||
71 | /* | |
72 | * Max number of fragments per packet expected - defined by config file. | |
73 | */ | |
74 | #define MAX_PACKET_FRAG RTE_LIBRTE_IP_FRAG_MAX_FRAG | |
75 | ||
76 | #define NB_MBUF 8192 | |
77 | ||
78 | #define MAX_PKT_BURST 32 | |
79 | #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ | |
80 | ||
81 | /* Configure how many packets ahead to prefetch, when reading packets */ | |
82 | #define PREFETCH_OFFSET 3 | |
83 | ||
84 | /* | |
85 | * Configurable number of RX/TX ring descriptors | |
86 | */ | |
9f95a23c TL |
87 | #define RTE_TEST_RX_DESC_DEFAULT 1024 |
88 | #define RTE_TEST_TX_DESC_DEFAULT 1024 | |
7c673cae FG |
89 | static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; |
90 | static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; | |
91 | ||
92 | /* ethernet addresses of ports */ | |
93 | static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; | |
94 | ||
95 | #ifndef IPv4_BYTES | |
96 | #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8 | |
97 | #define IPv4_BYTES(addr) \ | |
98 | (uint8_t) (((addr) >> 24) & 0xFF),\ | |
99 | (uint8_t) (((addr) >> 16) & 0xFF),\ | |
100 | (uint8_t) (((addr) >> 8) & 0xFF),\ | |
101 | (uint8_t) ((addr) & 0xFF) | |
102 | #endif | |
103 | ||
104 | #ifndef IPv6_BYTES | |
105 | #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\ | |
106 | "%02x%02x:%02x%02x:%02x%02x:%02x%02x" | |
107 | #define IPv6_BYTES(addr) \ | |
108 | addr[0], addr[1], addr[2], addr[3], \ | |
109 | addr[4], addr[5], addr[6], addr[7], \ | |
110 | addr[8], addr[9], addr[10], addr[11],\ | |
111 | addr[12], addr[13],addr[14], addr[15] | |
112 | #endif | |
113 | ||
114 | #define IPV6_ADDR_LEN 16 | |
115 | ||
116 | /* mask of enabled ports */ | |
117 | static int enabled_port_mask = 0; | |
118 | ||
119 | static int rx_queue_per_lcore = 1; | |
120 | ||
121 | #define MBUF_TABLE_SIZE (2 * MAX(MAX_PKT_BURST, MAX_PACKET_FRAG)) | |
122 | ||
123 | struct mbuf_table { | |
124 | uint16_t len; | |
125 | struct rte_mbuf *m_table[MBUF_TABLE_SIZE]; | |
126 | }; | |
127 | ||
128 | struct rx_queue { | |
129 | struct rte_mempool *direct_pool; | |
130 | struct rte_mempool *indirect_pool; | |
131 | struct rte_lpm *lpm; | |
132 | struct rte_lpm6 *lpm6; | |
9f95a23c | 133 | uint16_t portid; |
7c673cae FG |
134 | }; |
135 | ||
136 | #define MAX_RX_QUEUE_PER_LCORE 16 | |
137 | #define MAX_TX_QUEUE_PER_PORT 16 | |
138 | struct lcore_queue_conf { | |
139 | uint16_t n_rx_queue; | |
140 | uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; | |
141 | struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; | |
142 | struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; | |
143 | } __rte_cache_aligned; | |
144 | struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; | |
145 | ||
11fdf7f2 | 146 | static struct rte_eth_conf port_conf = { |
7c673cae FG |
147 | .rxmode = { |
148 | .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE, | |
149 | .split_hdr_size = 0, | |
9f95a23c TL |
150 | .offloads = (DEV_RX_OFFLOAD_CHECKSUM | |
151 | DEV_RX_OFFLOAD_SCATTER | | |
152 | DEV_RX_OFFLOAD_JUMBO_FRAME), | |
7c673cae FG |
153 | }, |
154 | .txmode = { | |
155 | .mq_mode = ETH_MQ_TX_NONE, | |
9f95a23c TL |
156 | .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM | |
157 | DEV_TX_OFFLOAD_MULTI_SEGS), | |
7c673cae FG |
158 | }, |
159 | }; | |
160 | ||
161 | /* | |
162 | * IPv4 forwarding table | |
163 | */ | |
164 | struct l3fwd_ipv4_route { | |
165 | uint32_t ip; | |
166 | uint8_t depth; | |
167 | uint8_t if_out; | |
168 | }; | |
169 | ||
170 | struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = { | |
171 | {IPv4(100,10,0,0), 16, 0}, | |
172 | {IPv4(100,20,0,0), 16, 1}, | |
173 | {IPv4(100,30,0,0), 16, 2}, | |
174 | {IPv4(100,40,0,0), 16, 3}, | |
175 | {IPv4(100,50,0,0), 16, 4}, | |
176 | {IPv4(100,60,0,0), 16, 5}, | |
177 | {IPv4(100,70,0,0), 16, 6}, | |
178 | {IPv4(100,80,0,0), 16, 7}, | |
179 | }; | |
180 | ||
181 | /* | |
182 | * IPv6 forwarding table | |
183 | */ | |
184 | ||
185 | struct l3fwd_ipv6_route { | |
186 | uint8_t ip[IPV6_ADDR_LEN]; | |
187 | uint8_t depth; | |
188 | uint8_t if_out; | |
189 | }; | |
190 | ||
191 | static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = { | |
192 | {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0}, | |
193 | {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1}, | |
194 | {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2}, | |
195 | {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3}, | |
196 | {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4}, | |
197 | {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5}, | |
198 | {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6}, | |
199 | {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7}, | |
200 | }; | |
201 | ||
202 | #define LPM_MAX_RULES 1024 | |
203 | #define LPM6_MAX_RULES 1024 | |
204 | #define LPM6_NUMBER_TBL8S (1 << 16) | |
205 | ||
206 | struct rte_lpm6_config lpm6_config = { | |
207 | .max_rules = LPM6_MAX_RULES, | |
208 | .number_tbl8s = LPM6_NUMBER_TBL8S, | |
209 | .flags = 0 | |
210 | }; | |
211 | ||
212 | static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES]; | |
213 | static struct rte_mempool *socket_indirect_pool[RTE_MAX_NUMA_NODES]; | |
214 | static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES]; | |
215 | static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES]; | |
216 | ||
217 | /* Send burst of packets on an output interface */ | |
218 | static inline int | |
9f95a23c | 219 | send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint16_t port) |
7c673cae FG |
220 | { |
221 | struct rte_mbuf **m_table; | |
222 | int ret; | |
223 | uint16_t queueid; | |
224 | ||
225 | queueid = qconf->tx_queue_id[port]; | |
226 | m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; | |
227 | ||
228 | ret = rte_eth_tx_burst(port, queueid, m_table, n); | |
229 | if (unlikely(ret < n)) { | |
230 | do { | |
231 | rte_pktmbuf_free(m_table[ret]); | |
232 | } while (++ret < n); | |
233 | } | |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
238 | static inline void | |
239 | l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, | |
9f95a23c | 240 | uint8_t queueid, uint16_t port_in) |
7c673cae FG |
241 | { |
242 | struct rx_queue *rxq; | |
11fdf7f2 | 243 | uint32_t i, len, next_hop; |
9f95a23c TL |
244 | uint8_t ipv6; |
245 | uint16_t port_out; | |
7c673cae FG |
246 | int32_t len2; |
247 | ||
248 | ipv6 = 0; | |
249 | rxq = &qconf->rx_queue_list[queueid]; | |
250 | ||
251 | /* by default, send everything back to the source port */ | |
252 | port_out = port_in; | |
253 | ||
254 | /* Remove the Ethernet header and trailer from the input packet */ | |
255 | rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr)); | |
256 | ||
257 | /* Build transmission burst */ | |
258 | len = qconf->tx_mbufs[port_out].len; | |
259 | ||
260 | /* if this is an IPv4 packet */ | |
261 | if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) { | |
262 | struct ipv4_hdr *ip_hdr; | |
263 | uint32_t ip_dst; | |
264 | /* Read the lookup key (i.e. ip_dst) from the input packet */ | |
265 | ip_hdr = rte_pktmbuf_mtod(m, struct ipv4_hdr *); | |
266 | ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr); | |
267 | ||
268 | /* Find destination port */ | |
11fdf7f2 TL |
269 | if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 && |
270 | (enabled_port_mask & 1 << next_hop) != 0) { | |
271 | port_out = next_hop; | |
7c673cae FG |
272 | |
273 | /* Build transmission burst for new port */ | |
274 | len = qconf->tx_mbufs[port_out].len; | |
275 | } | |
276 | ||
277 | /* if we don't need to do any fragmentation */ | |
278 | if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) { | |
279 | qconf->tx_mbufs[port_out].m_table[len] = m; | |
280 | len2 = 1; | |
281 | } else { | |
282 | len2 = rte_ipv4_fragment_packet(m, | |
283 | &qconf->tx_mbufs[port_out].m_table[len], | |
284 | (uint16_t)(MBUF_TABLE_SIZE - len), | |
285 | IPV4_MTU_DEFAULT, | |
286 | rxq->direct_pool, rxq->indirect_pool); | |
287 | ||
288 | /* Free input packet */ | |
289 | rte_pktmbuf_free(m); | |
290 | ||
291 | /* If we fail to fragment the packet */ | |
292 | if (unlikely (len2 < 0)) | |
293 | return; | |
294 | } | |
295 | } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { | |
296 | /* if this is an IPv6 packet */ | |
297 | struct ipv6_hdr *ip_hdr; | |
298 | ||
299 | ipv6 = 1; | |
300 | ||
301 | /* Read the lookup key (i.e. ip_dst) from the input packet */ | |
302 | ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *); | |
303 | ||
304 | /* Find destination port */ | |
11fdf7f2 TL |
305 | if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, |
306 | &next_hop) == 0 && | |
307 | (enabled_port_mask & 1 << next_hop) != 0) { | |
308 | port_out = next_hop; | |
7c673cae FG |
309 | |
310 | /* Build transmission burst for new port */ | |
311 | len = qconf->tx_mbufs[port_out].len; | |
312 | } | |
313 | ||
314 | /* if we don't need to do any fragmentation */ | |
315 | if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) { | |
316 | qconf->tx_mbufs[port_out].m_table[len] = m; | |
317 | len2 = 1; | |
318 | } else { | |
319 | len2 = rte_ipv6_fragment_packet(m, | |
320 | &qconf->tx_mbufs[port_out].m_table[len], | |
321 | (uint16_t)(MBUF_TABLE_SIZE - len), | |
322 | IPV6_MTU_DEFAULT, | |
323 | rxq->direct_pool, rxq->indirect_pool); | |
324 | ||
325 | /* Free input packet */ | |
326 | rte_pktmbuf_free(m); | |
327 | ||
328 | /* If we fail to fragment the packet */ | |
329 | if (unlikely (len2 < 0)) | |
330 | return; | |
331 | } | |
332 | } | |
333 | /* else, just forward the packet */ | |
334 | else { | |
335 | qconf->tx_mbufs[port_out].m_table[len] = m; | |
336 | len2 = 1; | |
337 | } | |
338 | ||
339 | for (i = len; i < len + len2; i ++) { | |
340 | void *d_addr_bytes; | |
341 | ||
342 | m = qconf->tx_mbufs[port_out].m_table[i]; | |
343 | struct ether_hdr *eth_hdr = (struct ether_hdr *) | |
344 | rte_pktmbuf_prepend(m, (uint16_t)sizeof(struct ether_hdr)); | |
345 | if (eth_hdr == NULL) { | |
346 | rte_panic("No headroom in mbuf.\n"); | |
347 | } | |
348 | ||
349 | m->l2_len = sizeof(struct ether_hdr); | |
350 | ||
351 | /* 02:00:00:00:00:xx */ | |
352 | d_addr_bytes = ð_hdr->d_addr.addr_bytes[0]; | |
353 | *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)port_out << 40); | |
354 | ||
355 | /* src addr */ | |
356 | ether_addr_copy(&ports_eth_addr[port_out], ð_hdr->s_addr); | |
357 | if (ipv6) | |
358 | eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6); | |
359 | else | |
360 | eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4); | |
361 | } | |
362 | ||
363 | len += len2; | |
364 | ||
365 | if (likely(len < MAX_PKT_BURST)) { | |
366 | qconf->tx_mbufs[port_out].len = (uint16_t)len; | |
367 | return; | |
368 | } | |
369 | ||
370 | /* Transmit packets */ | |
371 | send_burst(qconf, (uint16_t)len, port_out); | |
372 | qconf->tx_mbufs[port_out].len = 0; | |
373 | } | |
374 | ||
375 | /* main processing loop */ | |
376 | static int | |
377 | main_loop(__attribute__((unused)) void *dummy) | |
378 | { | |
379 | struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; | |
380 | unsigned lcore_id; | |
381 | uint64_t prev_tsc, diff_tsc, cur_tsc; | |
382 | int i, j, nb_rx; | |
9f95a23c | 383 | uint16_t portid; |
7c673cae FG |
384 | struct lcore_queue_conf *qconf; |
385 | const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; | |
386 | ||
387 | prev_tsc = 0; | |
388 | ||
389 | lcore_id = rte_lcore_id(); | |
390 | qconf = &lcore_queue_conf[lcore_id]; | |
391 | ||
392 | if (qconf->n_rx_queue == 0) { | |
393 | RTE_LOG(INFO, IP_FRAG, "lcore %u has nothing to do\n", lcore_id); | |
394 | return 0; | |
395 | } | |
396 | ||
397 | RTE_LOG(INFO, IP_FRAG, "entering main loop on lcore %u\n", lcore_id); | |
398 | ||
399 | for (i = 0; i < qconf->n_rx_queue; i++) { | |
400 | ||
401 | portid = qconf->rx_queue_list[i].portid; | |
402 | RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id, | |
9f95a23c | 403 | portid); |
7c673cae FG |
404 | } |
405 | ||
406 | while (1) { | |
407 | ||
408 | cur_tsc = rte_rdtsc(); | |
409 | ||
410 | /* | |
411 | * TX burst queue drain | |
412 | */ | |
413 | diff_tsc = cur_tsc - prev_tsc; | |
414 | if (unlikely(diff_tsc > drain_tsc)) { | |
415 | ||
416 | /* | |
417 | * This could be optimized (use queueid instead of | |
418 | * portid), but it is not called so often | |
419 | */ | |
420 | for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { | |
421 | if (qconf->tx_mbufs[portid].len == 0) | |
422 | continue; | |
423 | send_burst(&lcore_queue_conf[lcore_id], | |
424 | qconf->tx_mbufs[portid].len, | |
425 | portid); | |
426 | qconf->tx_mbufs[portid].len = 0; | |
427 | } | |
428 | ||
429 | prev_tsc = cur_tsc; | |
430 | } | |
431 | ||
432 | /* | |
433 | * Read packet from RX queues | |
434 | */ | |
435 | for (i = 0; i < qconf->n_rx_queue; i++) { | |
436 | ||
437 | portid = qconf->rx_queue_list[i].portid; | |
438 | nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst, | |
439 | MAX_PKT_BURST); | |
440 | ||
441 | /* Prefetch first packets */ | |
442 | for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { | |
443 | rte_prefetch0(rte_pktmbuf_mtod( | |
444 | pkts_burst[j], void *)); | |
445 | } | |
446 | ||
447 | /* Prefetch and forward already prefetched packets */ | |
448 | for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { | |
449 | rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ | |
450 | j + PREFETCH_OFFSET], void *)); | |
451 | l3fwd_simple_forward(pkts_burst[j], qconf, i, portid); | |
452 | } | |
453 | ||
454 | /* Forward remaining prefetched packets */ | |
455 | for (; j < nb_rx; j++) { | |
456 | l3fwd_simple_forward(pkts_burst[j], qconf, i, portid); | |
457 | } | |
458 | } | |
459 | } | |
460 | } | |
461 | ||
462 | /* display usage */ | |
463 | static void | |
464 | print_usage(const char *prgname) | |
465 | { | |
466 | printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" | |
467 | " -p PORTMASK: hexadecimal bitmask of ports to configure\n" | |
468 | " -q NQ: number of queue (=ports) per lcore (default is 1)\n", | |
469 | prgname); | |
470 | } | |
471 | ||
472 | static int | |
473 | parse_portmask(const char *portmask) | |
474 | { | |
475 | char *end = NULL; | |
476 | unsigned long pm; | |
477 | ||
478 | /* parse hexadecimal string */ | |
479 | pm = strtoul(portmask, &end, 16); | |
480 | if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) | |
481 | return -1; | |
482 | ||
483 | if (pm == 0) | |
484 | return -1; | |
485 | ||
486 | return pm; | |
487 | } | |
488 | ||
489 | static int | |
490 | parse_nqueue(const char *q_arg) | |
491 | { | |
492 | char *end = NULL; | |
493 | unsigned long n; | |
494 | ||
495 | /* parse hexadecimal string */ | |
496 | n = strtoul(q_arg, &end, 10); | |
497 | if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) | |
498 | return -1; | |
499 | if (n == 0) | |
500 | return -1; | |
501 | if (n >= MAX_RX_QUEUE_PER_LCORE) | |
502 | return -1; | |
503 | ||
504 | return n; | |
505 | } | |
506 | ||
507 | /* Parse the argument given in the command line of the application */ | |
508 | static int | |
509 | parse_args(int argc, char **argv) | |
510 | { | |
511 | int opt, ret; | |
512 | char **argvopt; | |
513 | int option_index; | |
514 | char *prgname = argv[0]; | |
515 | static struct option lgopts[] = { | |
516 | {NULL, 0, 0, 0} | |
517 | }; | |
518 | ||
519 | argvopt = argv; | |
520 | ||
521 | while ((opt = getopt_long(argc, argvopt, "p:q:", | |
522 | lgopts, &option_index)) != EOF) { | |
523 | ||
524 | switch (opt) { | |
525 | /* portmask */ | |
526 | case 'p': | |
527 | enabled_port_mask = parse_portmask(optarg); | |
528 | if (enabled_port_mask < 0) { | |
529 | printf("invalid portmask\n"); | |
530 | print_usage(prgname); | |
531 | return -1; | |
532 | } | |
533 | break; | |
534 | ||
535 | /* nqueue */ | |
536 | case 'q': | |
537 | rx_queue_per_lcore = parse_nqueue(optarg); | |
538 | if (rx_queue_per_lcore < 0) { | |
539 | printf("invalid queue number\n"); | |
540 | print_usage(prgname); | |
541 | return -1; | |
542 | } | |
543 | break; | |
544 | ||
545 | /* long options */ | |
546 | case 0: | |
547 | print_usage(prgname); | |
548 | return -1; | |
549 | ||
550 | default: | |
551 | print_usage(prgname); | |
552 | return -1; | |
553 | } | |
554 | } | |
555 | ||
556 | if (enabled_port_mask == 0) { | |
557 | printf("portmask not specified\n"); | |
558 | print_usage(prgname); | |
559 | return -1; | |
560 | } | |
561 | ||
562 | if (optind >= 0) | |
563 | argv[optind-1] = prgname; | |
564 | ||
565 | ret = optind-1; | |
11fdf7f2 | 566 | optind = 1; /* reset getopt lib */ |
7c673cae FG |
567 | return ret; |
568 | } | |
569 | ||
570 | static void | |
571 | print_ethaddr(const char *name, struct ether_addr *eth_addr) | |
572 | { | |
573 | char buf[ETHER_ADDR_FMT_SIZE]; | |
574 | ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); | |
575 | printf("%s%s", name, buf); | |
576 | } | |
577 | ||
578 | /* Check the link status of all ports in up to 9s, and print them finally */ | |
579 | static void | |
9f95a23c | 580 | check_all_ports_link_status(uint32_t port_mask) |
7c673cae FG |
581 | { |
582 | #define CHECK_INTERVAL 100 /* 100ms */ | |
583 | #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ | |
9f95a23c TL |
584 | uint16_t portid; |
585 | uint8_t count, all_ports_up, print_flag = 0; | |
7c673cae FG |
586 | struct rte_eth_link link; |
587 | ||
588 | printf("\nChecking link status"); | |
589 | fflush(stdout); | |
590 | for (count = 0; count <= MAX_CHECK_TIME; count++) { | |
591 | all_ports_up = 1; | |
9f95a23c | 592 | RTE_ETH_FOREACH_DEV(portid) { |
7c673cae FG |
593 | if ((port_mask & (1 << portid)) == 0) |
594 | continue; | |
595 | memset(&link, 0, sizeof(link)); | |
596 | rte_eth_link_get_nowait(portid, &link); | |
597 | /* print link status if flag set */ | |
598 | if (print_flag == 1) { | |
599 | if (link.link_status) | |
9f95a23c TL |
600 | printf( |
601 | "Port%d Link Up .Speed %u Mbps - %s\n", | |
602 | portid, link.link_speed, | |
7c673cae FG |
603 | (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? |
604 | ("full-duplex") : ("half-duplex\n")); | |
605 | else | |
9f95a23c | 606 | printf("Port %d Link Down\n", portid); |
7c673cae FG |
607 | continue; |
608 | } | |
609 | /* clear all_ports_up flag if any link down */ | |
610 | if (link.link_status == ETH_LINK_DOWN) { | |
611 | all_ports_up = 0; | |
612 | break; | |
613 | } | |
614 | } | |
615 | /* after finally printing all link status, get out */ | |
616 | if (print_flag == 1) | |
617 | break; | |
618 | ||
619 | if (all_ports_up == 0) { | |
620 | printf("."); | |
621 | fflush(stdout); | |
622 | rte_delay_ms(CHECK_INTERVAL); | |
623 | } | |
624 | ||
625 | /* set the print_flag if all ports up or timeout */ | |
626 | if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { | |
627 | print_flag = 1; | |
628 | printf("\ndone\n"); | |
629 | } | |
630 | } | |
631 | } | |
632 | ||
11fdf7f2 TL |
633 | /* Check L3 packet type detection capablity of the NIC port */ |
634 | static int | |
635 | check_ptype(int portid) | |
636 | { | |
637 | int i, ret; | |
638 | int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0; | |
639 | uint32_t ptype_mask = RTE_PTYPE_L3_MASK; | |
640 | ||
641 | ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0); | |
642 | if (ret <= 0) | |
643 | return 0; | |
644 | ||
645 | uint32_t ptypes[ret]; | |
646 | ||
647 | ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret); | |
648 | for (i = 0; i < ret; ++i) { | |
649 | if (ptypes[i] & RTE_PTYPE_L3_IPV4) | |
650 | ptype_l3_ipv4 = 1; | |
651 | if (ptypes[i] & RTE_PTYPE_L3_IPV6) | |
652 | ptype_l3_ipv6 = 1; | |
653 | } | |
654 | ||
655 | if (ptype_l3_ipv4 == 0) | |
656 | printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid); | |
657 | ||
658 | if (ptype_l3_ipv6 == 0) | |
659 | printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid); | |
660 | ||
661 | if (ptype_l3_ipv4 && ptype_l3_ipv6) | |
662 | return 1; | |
663 | ||
664 | return 0; | |
665 | ||
666 | } | |
667 | ||
668 | /* Parse packet type of a packet by SW */ | |
669 | static inline void | |
670 | parse_ptype(struct rte_mbuf *m) | |
671 | { | |
672 | struct ether_hdr *eth_hdr; | |
673 | uint32_t packet_type = RTE_PTYPE_UNKNOWN; | |
674 | uint16_t ether_type; | |
675 | ||
676 | eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); | |
677 | ether_type = eth_hdr->ether_type; | |
678 | if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) | |
679 | packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; | |
680 | else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) | |
681 | packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; | |
682 | ||
683 | m->packet_type = packet_type; | |
684 | } | |
685 | ||
686 | /* callback function to detect packet type for a queue of a port */ | |
687 | static uint16_t | |
9f95a23c | 688 | cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused, |
11fdf7f2 TL |
689 | struct rte_mbuf *pkts[], uint16_t nb_pkts, |
690 | uint16_t max_pkts __rte_unused, | |
691 | void *user_param __rte_unused) | |
692 | { | |
693 | uint16_t i; | |
694 | ||
695 | for (i = 0; i < nb_pkts; ++i) | |
696 | parse_ptype(pkts[i]); | |
697 | ||
698 | return nb_pkts; | |
699 | } | |
700 | ||
7c673cae FG |
701 | static int |
702 | init_routing_table(void) | |
703 | { | |
704 | struct rte_lpm *lpm; | |
705 | struct rte_lpm6 *lpm6; | |
706 | int socket, ret; | |
707 | unsigned i; | |
708 | ||
709 | for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) { | |
710 | if (socket_lpm[socket]) { | |
711 | lpm = socket_lpm[socket]; | |
712 | /* populate the LPM table */ | |
713 | for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) { | |
714 | ret = rte_lpm_add(lpm, | |
715 | l3fwd_ipv4_route_array[i].ip, | |
716 | l3fwd_ipv4_route_array[i].depth, | |
717 | l3fwd_ipv4_route_array[i].if_out); | |
718 | ||
719 | if (ret < 0) { | |
720 | RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd " | |
721 | "LPM table\n", i); | |
722 | return -1; | |
723 | } | |
724 | ||
725 | RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv4_BYTES_FMT | |
726 | "/%d (port %d)\n", | |
727 | socket, | |
728 | IPv4_BYTES(l3fwd_ipv4_route_array[i].ip), | |
729 | l3fwd_ipv4_route_array[i].depth, | |
730 | l3fwd_ipv4_route_array[i].if_out); | |
731 | } | |
732 | } | |
733 | ||
734 | if (socket_lpm6[socket]) { | |
735 | lpm6 = socket_lpm6[socket]; | |
736 | /* populate the LPM6 table */ | |
737 | for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) { | |
738 | ret = rte_lpm6_add(lpm6, | |
739 | l3fwd_ipv6_route_array[i].ip, | |
740 | l3fwd_ipv6_route_array[i].depth, | |
741 | l3fwd_ipv6_route_array[i].if_out); | |
742 | ||
743 | if (ret < 0) { | |
744 | RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd " | |
745 | "LPM6 table\n", i); | |
746 | return -1; | |
747 | } | |
748 | ||
749 | RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv6_BYTES_FMT | |
750 | "/%d (port %d)\n", | |
751 | socket, | |
752 | IPv6_BYTES(l3fwd_ipv6_route_array[i].ip), | |
753 | l3fwd_ipv6_route_array[i].depth, | |
754 | l3fwd_ipv6_route_array[i].if_out); | |
755 | } | |
756 | } | |
757 | } | |
758 | return 0; | |
759 | } | |
760 | ||
761 | static int | |
762 | init_mem(void) | |
763 | { | |
764 | char buf[PATH_MAX]; | |
765 | struct rte_mempool *mp; | |
766 | struct rte_lpm *lpm; | |
767 | struct rte_lpm6 *lpm6; | |
768 | struct rte_lpm_config lpm_config; | |
769 | int socket; | |
770 | unsigned lcore_id; | |
771 | ||
772 | /* traverse through lcores and initialize structures on each socket */ | |
773 | ||
774 | for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { | |
775 | ||
776 | if (rte_lcore_is_enabled(lcore_id) == 0) | |
777 | continue; | |
778 | ||
779 | socket = rte_lcore_to_socket_id(lcore_id); | |
780 | ||
781 | if (socket == SOCKET_ID_ANY) | |
782 | socket = 0; | |
783 | ||
784 | if (socket_direct_pool[socket] == NULL) { | |
785 | RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n", | |
786 | socket); | |
787 | snprintf(buf, sizeof(buf), "pool_direct_%i", socket); | |
788 | ||
789 | mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, | |
790 | 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket); | |
791 | if (mp == NULL) { | |
792 | RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n"); | |
793 | return -1; | |
794 | } | |
795 | socket_direct_pool[socket] = mp; | |
796 | } | |
797 | ||
798 | if (socket_indirect_pool[socket] == NULL) { | |
799 | RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n", | |
800 | socket); | |
801 | snprintf(buf, sizeof(buf), "pool_indirect_%i", socket); | |
802 | ||
803 | mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0, | |
804 | socket); | |
805 | if (mp == NULL) { | |
806 | RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n"); | |
807 | return -1; | |
808 | } | |
809 | socket_indirect_pool[socket] = mp; | |
810 | } | |
811 | ||
812 | if (socket_lpm[socket] == NULL) { | |
813 | RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket); | |
814 | snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket); | |
815 | ||
816 | lpm_config.max_rules = LPM_MAX_RULES; | |
817 | lpm_config.number_tbl8s = 256; | |
818 | lpm_config.flags = 0; | |
819 | ||
820 | lpm = rte_lpm_create(buf, socket, &lpm_config); | |
821 | if (lpm == NULL) { | |
822 | RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n"); | |
823 | return -1; | |
824 | } | |
825 | socket_lpm[socket] = lpm; | |
826 | } | |
827 | ||
828 | if (socket_lpm6[socket] == NULL) { | |
829 | RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket); | |
830 | snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket); | |
831 | ||
832 | lpm6 = rte_lpm6_create(buf, socket, &lpm6_config); | |
833 | if (lpm6 == NULL) { | |
834 | RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n"); | |
835 | return -1; | |
836 | } | |
837 | socket_lpm6[socket] = lpm6; | |
838 | } | |
839 | } | |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
844 | int | |
845 | main(int argc, char **argv) | |
846 | { | |
847 | struct lcore_queue_conf *qconf; | |
848 | struct rte_eth_dev_info dev_info; | |
849 | struct rte_eth_txconf *txconf; | |
850 | struct rx_queue *rxq; | |
851 | int socket, ret; | |
9f95a23c | 852 | uint16_t nb_ports; |
7c673cae FG |
853 | uint16_t queueid = 0; |
854 | unsigned lcore_id = 0, rx_lcore_id = 0; | |
855 | uint32_t n_tx_queue, nb_lcores; | |
9f95a23c | 856 | uint16_t portid; |
7c673cae FG |
857 | |
858 | /* init EAL */ | |
859 | ret = rte_eal_init(argc, argv); | |
860 | if (ret < 0) | |
861 | rte_exit(EXIT_FAILURE, "rte_eal_init failed"); | |
862 | argc -= ret; | |
863 | argv += ret; | |
864 | ||
865 | /* parse application arguments (after the EAL ones) */ | |
866 | ret = parse_args(argc, argv); | |
867 | if (ret < 0) | |
868 | rte_exit(EXIT_FAILURE, "Invalid arguments"); | |
869 | ||
9f95a23c | 870 | nb_ports = rte_eth_dev_count_avail(); |
7c673cae FG |
871 | if (nb_ports == 0) |
872 | rte_exit(EXIT_FAILURE, "No ports found!\n"); | |
873 | ||
874 | nb_lcores = rte_lcore_count(); | |
875 | ||
876 | /* initialize structures (mempools, lpm etc.) */ | |
877 | if (init_mem() < 0) | |
878 | rte_panic("Cannot initialize memory structures!\n"); | |
879 | ||
880 | /* check if portmask has non-existent ports */ | |
881 | if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned))) | |
882 | rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n"); | |
883 | ||
884 | /* initialize all ports */ | |
9f95a23c TL |
885 | RTE_ETH_FOREACH_DEV(portid) { |
886 | struct rte_eth_conf local_port_conf = port_conf; | |
887 | struct rte_eth_rxconf rxq_conf; | |
888 | ||
7c673cae FG |
889 | /* skip ports that are not enabled */ |
890 | if ((enabled_port_mask & (1 << portid)) == 0) { | |
891 | printf("Skipping disabled port %d\n", portid); | |
892 | continue; | |
893 | } | |
894 | ||
895 | qconf = &lcore_queue_conf[rx_lcore_id]; | |
896 | ||
11fdf7f2 TL |
897 | /* limit the frame size to the maximum supported by NIC */ |
898 | rte_eth_dev_info_get(portid, &dev_info); | |
9f95a23c TL |
899 | local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN( |
900 | dev_info.max_rx_pktlen, | |
901 | local_port_conf.rxmode.max_rx_pkt_len); | |
11fdf7f2 | 902 | |
7c673cae FG |
903 | /* get the lcore_id for this port */ |
904 | while (rte_lcore_is_enabled(rx_lcore_id) == 0 || | |
905 | qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) { | |
906 | ||
907 | rx_lcore_id ++; | |
908 | if (rx_lcore_id >= RTE_MAX_LCORE) | |
909 | rte_exit(EXIT_FAILURE, "Not enough cores\n"); | |
910 | ||
911 | qconf = &lcore_queue_conf[rx_lcore_id]; | |
912 | } | |
913 | ||
914 | socket = (int) rte_lcore_to_socket_id(rx_lcore_id); | |
915 | if (socket == SOCKET_ID_ANY) | |
916 | socket = 0; | |
917 | ||
918 | rxq = &qconf->rx_queue_list[qconf->n_rx_queue]; | |
919 | rxq->portid = portid; | |
920 | rxq->direct_pool = socket_direct_pool[socket]; | |
921 | rxq->indirect_pool = socket_indirect_pool[socket]; | |
922 | rxq->lpm = socket_lpm[socket]; | |
923 | rxq->lpm6 = socket_lpm6[socket]; | |
924 | qconf->n_rx_queue++; | |
925 | ||
926 | /* init port */ | |
927 | printf("Initializing port %d on lcore %u...", portid, | |
928 | rx_lcore_id); | |
929 | fflush(stdout); | |
930 | ||
931 | n_tx_queue = nb_lcores; | |
932 | if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) | |
933 | n_tx_queue = MAX_TX_QUEUE_PER_PORT; | |
9f95a23c TL |
934 | if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) |
935 | local_port_conf.txmode.offloads |= | |
936 | DEV_TX_OFFLOAD_MBUF_FAST_FREE; | |
7c673cae | 937 | ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue, |
9f95a23c | 938 | &local_port_conf); |
7c673cae FG |
939 | if (ret < 0) { |
940 | printf("\n"); | |
941 | rte_exit(EXIT_FAILURE, "Cannot configure device: " | |
942 | "err=%d, port=%d\n", | |
943 | ret, portid); | |
944 | } | |
945 | ||
9f95a23c TL |
946 | /* set the mtu to the maximum received packet size */ |
947 | ret = rte_eth_dev_set_mtu(portid, | |
948 | local_port_conf.rxmode.max_rx_pkt_len - MTU_OVERHEAD); | |
949 | if (ret < 0) { | |
950 | printf("\n"); | |
951 | rte_exit(EXIT_FAILURE, "Set MTU failed: " | |
952 | "err=%d, port=%d\n", | |
953 | ret, portid); | |
954 | } | |
955 | ||
956 | ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, | |
957 | &nb_txd); | |
958 | if (ret < 0) { | |
959 | printf("\n"); | |
960 | rte_exit(EXIT_FAILURE, "Cannot adjust number of " | |
961 | "descriptors: err=%d, port=%d\n", ret, portid); | |
962 | } | |
963 | ||
7c673cae | 964 | /* init one RX queue */ |
9f95a23c TL |
965 | rxq_conf = dev_info.default_rxconf; |
966 | rxq_conf.offloads = local_port_conf.rxmode.offloads; | |
7c673cae | 967 | ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, |
9f95a23c | 968 | socket, &rxq_conf, |
7c673cae FG |
969 | socket_direct_pool[socket]); |
970 | if (ret < 0) { | |
971 | printf("\n"); | |
972 | rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: " | |
973 | "err=%d, port=%d\n", | |
974 | ret, portid); | |
975 | } | |
976 | ||
977 | rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); | |
978 | print_ethaddr(" Address:", &ports_eth_addr[portid]); | |
979 | printf("\n"); | |
980 | ||
981 | /* init one TX queue per couple (lcore,port) */ | |
982 | queueid = 0; | |
983 | for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { | |
984 | if (rte_lcore_is_enabled(lcore_id) == 0) | |
985 | continue; | |
986 | ||
987 | socket = (int) rte_lcore_to_socket_id(lcore_id); | |
988 | printf("txq=%u,%d ", lcore_id, queueid); | |
989 | fflush(stdout); | |
990 | ||
7c673cae | 991 | txconf = &dev_info.default_txconf; |
9f95a23c | 992 | txconf->offloads = local_port_conf.txmode.offloads; |
7c673cae FG |
993 | ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, |
994 | socket, txconf); | |
995 | if (ret < 0) { | |
996 | printf("\n"); | |
997 | rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: " | |
998 | "err=%d, port=%d\n", ret, portid); | |
999 | } | |
1000 | ||
1001 | qconf = &lcore_queue_conf[lcore_id]; | |
1002 | qconf->tx_queue_id[portid] = queueid; | |
1003 | queueid++; | |
1004 | } | |
1005 | ||
1006 | printf("\n"); | |
1007 | } | |
1008 | ||
1009 | printf("\n"); | |
1010 | ||
1011 | /* start ports */ | |
9f95a23c | 1012 | RTE_ETH_FOREACH_DEV(portid) { |
7c673cae FG |
1013 | if ((enabled_port_mask & (1 << portid)) == 0) { |
1014 | continue; | |
1015 | } | |
1016 | /* Start device */ | |
1017 | ret = rte_eth_dev_start(portid); | |
1018 | if (ret < 0) | |
1019 | rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n", | |
1020 | ret, portid); | |
1021 | ||
1022 | rte_eth_promiscuous_enable(portid); | |
11fdf7f2 TL |
1023 | |
1024 | if (check_ptype(portid) == 0) { | |
1025 | rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL); | |
9f95a23c | 1026 | printf("Add Rx callback function to detect L3 packet type by SW :" |
11fdf7f2 TL |
1027 | " port = %d\n", portid); |
1028 | } | |
7c673cae FG |
1029 | } |
1030 | ||
1031 | if (init_routing_table() < 0) | |
1032 | rte_exit(EXIT_FAILURE, "Cannot init routing table\n"); | |
1033 | ||
9f95a23c | 1034 | check_all_ports_link_status(enabled_port_mask); |
7c673cae FG |
1035 | |
1036 | /* launch per-lcore init on every lcore */ | |
1037 | rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); | |
1038 | RTE_LCORE_FOREACH_SLAVE(lcore_id) { | |
1039 | if (rte_eal_wait_lcore(lcore_id) < 0) | |
1040 | return -1; | |
1041 | } | |
1042 | ||
1043 | return 0; | |
1044 | } |