New upstream version 18.02
[deb_dpdk.git] / examples / l3fwd-power / main.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2016 Intel Corporation
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 <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15 #include <unistd.h>
16 #include <signal.h>
17
18 #include <rte_common.h>
19 #include <rte_byteorder.h>
20 #include <rte_log.h>
21 #include <rte_malloc.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
24 #include <rte_eal.h>
25 #include <rte_launch.h>
26 #include <rte_atomic.h>
27 #include <rte_cycles.h>
28 #include <rte_prefetch.h>
29 #include <rte_lcore.h>
30 #include <rte_per_lcore.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_interrupts.h>
33 #include <rte_random.h>
34 #include <rte_debug.h>
35 #include <rte_ether.h>
36 #include <rte_ethdev.h>
37 #include <rte_mempool.h>
38 #include <rte_mbuf.h>
39 #include <rte_ip.h>
40 #include <rte_tcp.h>
41 #include <rte_udp.h>
42 #include <rte_string_fns.h>
43 #include <rte_timer.h>
44 #include <rte_power.h>
45 #include <rte_spinlock.h>
46
47 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
48
49 #define MAX_PKT_BURST 32
50
51 #define MIN_ZERO_POLL_COUNT 10
52
53 /* 100 ms interval */
54 #define TIMER_NUMBER_PER_SECOND           10
55 /* 100000 us */
56 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
57 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
58
59 #define APP_LOOKUP_EXACT_MATCH          0
60 #define APP_LOOKUP_LPM                  1
61 #define DO_RFC_1812_CHECKS
62
63 #ifndef APP_LOOKUP_METHOD
64 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
65 #endif
66
67 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
68 #include <rte_hash.h>
69 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
70 #include <rte_lpm.h>
71 #else
72 #error "APP_LOOKUP_METHOD set to incorrect value"
73 #endif
74
75 #ifndef IPv6_BYTES
76 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
77                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
78 #define IPv6_BYTES(addr) \
79         addr[0],  addr[1], addr[2],  addr[3], \
80         addr[4],  addr[5], addr[6],  addr[7], \
81         addr[8],  addr[9], addr[10], addr[11],\
82         addr[12], addr[13],addr[14], addr[15]
83 #endif
84
85 #define MAX_JUMBO_PKT_LEN  9600
86
87 #define IPV6_ADDR_LEN 16
88
89 #define MEMPOOL_CACHE_SIZE 256
90
91 /*
92  * This expression is used to calculate the number of mbufs needed depending on
93  * user input, taking into account memory for rx and tx hardware rings, cache
94  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
95  * NB_MBUF never goes below a minimum value of 8192.
96  */
97
98 #define NB_MBUF RTE_MAX ( \
99         (nb_ports*nb_rx_queue*nb_rxd + \
100         nb_ports*nb_lcores*MAX_PKT_BURST + \
101         nb_ports*n_tx_queue*nb_txd + \
102         nb_lcores*MEMPOOL_CACHE_SIZE), \
103         (unsigned)8192)
104
105 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
106
107 #define NB_SOCKETS 8
108
109 /* Configure how many packets ahead to prefetch, when reading packets */
110 #define PREFETCH_OFFSET 3
111
112 /*
113  * Configurable number of RX/TX ring descriptors
114  */
115 #define RTE_TEST_RX_DESC_DEFAULT 1024
116 #define RTE_TEST_TX_DESC_DEFAULT 1024
117 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
118 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
119
120 /* ethernet addresses of ports */
121 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
122
123 /* ethernet addresses of ports */
124 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
125
126 /* mask of enabled ports */
127 static uint32_t enabled_port_mask = 0;
128 /* Ports set in promiscuous mode off by default. */
129 static int promiscuous_on = 0;
130 /* NUMA is enabled by default. */
131 static int numa_on = 1;
132 static int parse_ptype; /**< Parse packet type using rx callback, and */
133                         /**< disabled by default */
134
135 enum freq_scale_hint_t
136 {
137         FREQ_LOWER    =      -1,
138         FREQ_CURRENT  =       0,
139         FREQ_HIGHER   =       1,
140         FREQ_HIGHEST  =       2
141 };
142
143 struct lcore_rx_queue {
144         uint16_t port_id;
145         uint8_t queue_id;
146         enum freq_scale_hint_t freq_up_hint;
147         uint32_t zero_rx_packet_count;
148         uint32_t idle_hint;
149 } __rte_cache_aligned;
150
151 #define MAX_RX_QUEUE_PER_LCORE 16
152 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
153 #define MAX_RX_QUEUE_PER_PORT 128
154
155 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
156
157
158 #define MAX_LCORE_PARAMS 1024
159 struct lcore_params {
160         uint16_t port_id;
161         uint8_t queue_id;
162         uint8_t lcore_id;
163 } __rte_cache_aligned;
164
165 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
166 static struct lcore_params lcore_params_array_default[] = {
167         {0, 0, 2},
168         {0, 1, 2},
169         {0, 2, 2},
170         {1, 0, 2},
171         {1, 1, 2},
172         {1, 2, 2},
173         {2, 0, 2},
174         {3, 0, 3},
175         {3, 1, 3},
176 };
177
178 static struct lcore_params * lcore_params = lcore_params_array_default;
179 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
180                                 sizeof(lcore_params_array_default[0]);
181
182 static struct rte_eth_conf port_conf = {
183         .rxmode = {
184                 .mq_mode        = ETH_MQ_RX_RSS,
185                 .max_rx_pkt_len = ETHER_MAX_LEN,
186                 .split_hdr_size = 0,
187                 .ignore_offload_bitfield = 1,
188                 .offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
189                              DEV_RX_OFFLOAD_CHECKSUM),
190         },
191         .rx_adv_conf = {
192                 .rss_conf = {
193                         .rss_key = NULL,
194                         .rss_hf = ETH_RSS_UDP,
195                 },
196         },
197         .txmode = {
198                 .mq_mode = ETH_MQ_TX_NONE,
199         },
200         .intr_conf = {
201                 .rxq = 1,
202         },
203 };
204
205 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
206
207
208 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
209
210 #ifdef RTE_ARCH_X86
211 #include <rte_hash_crc.h>
212 #define DEFAULT_HASH_FUNC       rte_hash_crc
213 #else
214 #include <rte_jhash.h>
215 #define DEFAULT_HASH_FUNC       rte_jhash
216 #endif
217
218 struct ipv4_5tuple {
219         uint32_t ip_dst;
220         uint32_t ip_src;
221         uint16_t port_dst;
222         uint16_t port_src;
223         uint8_t  proto;
224 } __attribute__((__packed__));
225
226 struct ipv6_5tuple {
227         uint8_t  ip_dst[IPV6_ADDR_LEN];
228         uint8_t  ip_src[IPV6_ADDR_LEN];
229         uint16_t port_dst;
230         uint16_t port_src;
231         uint8_t  proto;
232 } __attribute__((__packed__));
233
234 struct ipv4_l3fwd_route {
235         struct ipv4_5tuple key;
236         uint8_t if_out;
237 };
238
239 struct ipv6_l3fwd_route {
240         struct ipv6_5tuple key;
241         uint8_t if_out;
242 };
243
244 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
245         {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
246         {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
247         {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
248         {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
249 };
250
251 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
252         {
253                 {
254                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
255                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
256                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
257                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
258                          1, 10, IPPROTO_UDP
259                 }, 4
260         },
261 };
262
263 typedef struct rte_hash lookup_struct_t;
264 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
265 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
266
267 #define L3FWD_HASH_ENTRIES      1024
268
269 #define IPV4_L3FWD_NUM_ROUTES \
270         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
271
272 #define IPV6_L3FWD_NUM_ROUTES \
273         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
274
275 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
276 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
277 #endif
278
279 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
280 struct ipv4_l3fwd_route {
281         uint32_t ip;
282         uint8_t  depth;
283         uint8_t  if_out;
284 };
285
286 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
287         {IPv4(1,1,1,0), 24, 0},
288         {IPv4(2,1,1,0), 24, 1},
289         {IPv4(3,1,1,0), 24, 2},
290         {IPv4(4,1,1,0), 24, 3},
291         {IPv4(5,1,1,0), 24, 4},
292         {IPv4(6,1,1,0), 24, 5},
293         {IPv4(7,1,1,0), 24, 6},
294         {IPv4(8,1,1,0), 24, 7},
295 };
296
297 #define IPV4_L3FWD_NUM_ROUTES \
298         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
299
300 #define IPV4_L3FWD_LPM_MAX_RULES     1024
301
302 typedef struct rte_lpm lookup_struct_t;
303 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
304 #endif
305
306 struct lcore_conf {
307         uint16_t n_rx_queue;
308         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
309         uint16_t n_tx_port;
310         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
311         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
312         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
313         lookup_struct_t * ipv4_lookup_struct;
314         lookup_struct_t * ipv6_lookup_struct;
315 } __rte_cache_aligned;
316
317 struct lcore_stats {
318         /* total sleep time in ms since last frequency scaling down */
319         uint32_t sleep_time;
320         /* number of long sleep recently */
321         uint32_t nb_long_sleep;
322         /* freq. scaling up trend */
323         uint32_t trend;
324         /* total packet processed recently */
325         uint64_t nb_rx_processed;
326         /* total iterations looped recently */
327         uint64_t nb_iteration_looped;
328         uint32_t padding[9];
329 } __rte_cache_aligned;
330
331 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
332 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
333 static struct rte_timer power_timers[RTE_MAX_LCORE];
334
335 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
336 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
337                 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
338
339 /* exit signal handler */
340 static void
341 signal_exit_now(int sigtype)
342 {
343         unsigned lcore_id;
344         unsigned int portid, nb_ports;
345         int ret;
346
347         if (sigtype == SIGINT) {
348                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
349                         if (rte_lcore_is_enabled(lcore_id) == 0)
350                                 continue;
351
352                         /* init power management library */
353                         ret = rte_power_exit(lcore_id);
354                         if (ret)
355                                 rte_exit(EXIT_FAILURE, "Power management "
356                                         "library de-initialization failed on "
357                                                         "core%u\n", lcore_id);
358                 }
359
360                 nb_ports = rte_eth_dev_count();
361                 for (portid = 0; portid < nb_ports; portid++) {
362                         if ((enabled_port_mask & (1 << portid)) == 0)
363                                 continue;
364
365                         rte_eth_dev_stop(portid);
366                         rte_eth_dev_close(portid);
367                 }
368         }
369
370         rte_exit(EXIT_SUCCESS, "User forced exit\n");
371 }
372
373 /*  Freqency scale down timer callback */
374 static void
375 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
376                           __attribute__((unused)) void *arg)
377 {
378         uint64_t hz;
379         float sleep_time_ratio;
380         unsigned lcore_id = rte_lcore_id();
381
382         /* accumulate total execution time in us when callback is invoked */
383         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
384                                         (float)SCALING_PERIOD;
385         /**
386          * check whether need to scale down frequency a step if it sleep a lot.
387          */
388         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
389                 if (rte_power_freq_down)
390                         rte_power_freq_down(lcore_id);
391         }
392         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
393                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
394                 /**
395                  * scale down a step if average packet per iteration less
396                  * than expectation.
397                  */
398                 if (rte_power_freq_down)
399                         rte_power_freq_down(lcore_id);
400         }
401
402         /**
403          * initialize another timer according to current frequency to ensure
404          * timer interval is relatively fixed.
405          */
406         hz = rte_get_timer_hz();
407         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
408                                 SINGLE, lcore_id, power_timer_cb, NULL);
409
410         stats[lcore_id].nb_rx_processed = 0;
411         stats[lcore_id].nb_iteration_looped = 0;
412
413         stats[lcore_id].sleep_time = 0;
414 }
415
416 /* Enqueue a single packet, and send burst if queue is filled */
417 static inline int
418 send_single_packet(struct rte_mbuf *m, uint16_t port)
419 {
420         uint32_t lcore_id;
421         struct lcore_conf *qconf;
422
423         lcore_id = rte_lcore_id();
424         qconf = &lcore_conf[lcore_id];
425
426         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
427                         qconf->tx_buffer[port], m);
428
429         return 0;
430 }
431
432 #ifdef DO_RFC_1812_CHECKS
433 static inline int
434 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
435 {
436         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
437         /*
438          * 1. The packet length reported by the Link Layer must be large
439          * enough to hold the minimum length legal IP datagram (20 bytes).
440          */
441         if (link_len < sizeof(struct ipv4_hdr))
442                 return -1;
443
444         /* 2. The IP checksum must be correct. */
445         /* this is checked in H/W */
446
447         /*
448          * 3. The IP version number must be 4. If the version number is not 4
449          * then the packet may be another version of IP, such as IPng or
450          * ST-II.
451          */
452         if (((pkt->version_ihl) >> 4) != 4)
453                 return -3;
454         /*
455          * 4. The IP header length field must be large enough to hold the
456          * minimum length legal IP datagram (20 bytes = 5 words).
457          */
458         if ((pkt->version_ihl & 0xf) < 5)
459                 return -4;
460
461         /*
462          * 5. The IP total length field must be large enough to hold the IP
463          * datagram header, whose length is specified in the IP header length
464          * field.
465          */
466         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
467                 return -5;
468
469         return 0;
470 }
471 #endif
472
473 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
474 static void
475 print_ipv4_key(struct ipv4_5tuple key)
476 {
477         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
478                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
479                                 key.port_dst, key.port_src, key.proto);
480 }
481 static void
482 print_ipv6_key(struct ipv6_5tuple key)
483 {
484         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
485                 "port dst = %d, port src = %d, proto = %d\n",
486                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
487                 key.port_dst, key.port_src, key.proto);
488 }
489
490 static inline uint16_t
491 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
492                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
493 {
494         struct ipv4_5tuple key;
495         struct tcp_hdr *tcp;
496         struct udp_hdr *udp;
497         int ret = 0;
498
499         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
500         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
501         key.proto = ipv4_hdr->next_proto_id;
502
503         switch (ipv4_hdr->next_proto_id) {
504         case IPPROTO_TCP:
505                 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
506                                         sizeof(struct ipv4_hdr));
507                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
508                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
509                 break;
510
511         case IPPROTO_UDP:
512                 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
513                                         sizeof(struct ipv4_hdr));
514                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
515                 key.port_src = rte_be_to_cpu_16(udp->src_port);
516                 break;
517
518         default:
519                 key.port_dst = 0;
520                 key.port_src = 0;
521                 break;
522         }
523
524         /* Find destination port */
525         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
526         return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
527 }
528
529 static inline uint16_t
530 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
531                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
532 {
533         struct ipv6_5tuple key;
534         struct tcp_hdr *tcp;
535         struct udp_hdr *udp;
536         int ret = 0;
537
538         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
539         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
540
541         key.proto = ipv6_hdr->proto;
542
543         switch (ipv6_hdr->proto) {
544         case IPPROTO_TCP:
545                 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
546                                         sizeof(struct ipv6_hdr));
547                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
548                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
549                 break;
550
551         case IPPROTO_UDP:
552                 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
553                                         sizeof(struct ipv6_hdr));
554                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
555                 key.port_src = rte_be_to_cpu_16(udp->src_port);
556                 break;
557
558         default:
559                 key.port_dst = 0;
560                 key.port_src = 0;
561                 break;
562         }
563
564         /* Find destination port */
565         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
566         return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
567 }
568 #endif
569
570 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
571 static inline uint16_t
572 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
573                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
574 {
575         uint32_t next_hop;
576
577         return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
578                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
579                         next_hop : portid);
580 }
581 #endif
582
583 static inline void
584 parse_ptype_one(struct rte_mbuf *m)
585 {
586         struct ether_hdr *eth_hdr;
587         uint32_t packet_type = RTE_PTYPE_UNKNOWN;
588         uint16_t ether_type;
589
590         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
591         ether_type = eth_hdr->ether_type;
592         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
593                 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
594         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
595                 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
596
597         m->packet_type = packet_type;
598 }
599
600 static uint16_t
601 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
602                struct rte_mbuf *pkts[], uint16_t nb_pkts,
603                uint16_t max_pkts __rte_unused,
604                void *user_param __rte_unused)
605 {
606         unsigned int i;
607
608         for (i = 0; i < nb_pkts; ++i)
609                 parse_ptype_one(pkts[i]);
610
611         return nb_pkts;
612 }
613
614 static int
615 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
616 {
617         printf("Port %d: softly parse packet type info\n", portid);
618         if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
619                 return 0;
620
621         printf("Failed to add rx callback: port=%d\n", portid);
622         return -1;
623 }
624
625 static inline void
626 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
627                                 struct lcore_conf *qconf)
628 {
629         struct ether_hdr *eth_hdr;
630         struct ipv4_hdr *ipv4_hdr;
631         void *d_addr_bytes;
632         uint16_t dst_port;
633
634         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
635
636         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
637                 /* Handle IPv4 headers.*/
638                 ipv4_hdr =
639                         rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
640                                                 sizeof(struct ether_hdr));
641
642 #ifdef DO_RFC_1812_CHECKS
643                 /* Check to make sure the packet is valid (RFC1812) */
644                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
645                         rte_pktmbuf_free(m);
646                         return;
647                 }
648 #endif
649
650                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
651                                         qconf->ipv4_lookup_struct);
652                 if (dst_port >= RTE_MAX_ETHPORTS ||
653                                 (enabled_port_mask & 1 << dst_port) == 0)
654                         dst_port = portid;
655
656                 /* 02:00:00:00:00:xx */
657                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
658                 *((uint64_t *)d_addr_bytes) =
659                         0x000000000002 + ((uint64_t)dst_port << 40);
660
661 #ifdef DO_RFC_1812_CHECKS
662                 /* Update time to live and header checksum */
663                 --(ipv4_hdr->time_to_live);
664                 ++(ipv4_hdr->hdr_checksum);
665 #endif
666
667                 /* src addr */
668                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
669
670                 send_single_packet(m, dst_port);
671         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
672                 /* Handle IPv6 headers.*/
673 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
674                 struct ipv6_hdr *ipv6_hdr;
675
676                 ipv6_hdr =
677                         rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
678                                                 sizeof(struct ether_hdr));
679
680                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
681                                         qconf->ipv6_lookup_struct);
682
683                 if (dst_port >= RTE_MAX_ETHPORTS ||
684                                 (enabled_port_mask & 1 << dst_port) == 0)
685                         dst_port = portid;
686
687                 /* 02:00:00:00:00:xx */
688                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
689                 *((uint64_t *)d_addr_bytes) =
690                         0x000000000002 + ((uint64_t)dst_port << 40);
691
692                 /* src addr */
693                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
694
695                 send_single_packet(m, dst_port);
696 #else
697                 /* We don't currently handle IPv6 packets in LPM mode. */
698                 rte_pktmbuf_free(m);
699 #endif
700         } else
701                 rte_pktmbuf_free(m);
702
703 }
704
705 #define MINIMUM_SLEEP_TIME         1
706 #define SUSPEND_THRESHOLD          300
707
708 static inline uint32_t
709 power_idle_heuristic(uint32_t zero_rx_packet_count)
710 {
711         /* If zero count is less than 100,  sleep 1us */
712         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
713                 return MINIMUM_SLEEP_TIME;
714         /* If zero count is less than 1000, sleep 100 us which is the
715                 minimum latency switching from C3/C6 to C0
716         */
717         else
718                 return SUSPEND_THRESHOLD;
719 }
720
721 static inline enum freq_scale_hint_t
722 power_freq_scaleup_heuristic(unsigned lcore_id,
723                              uint16_t port_id,
724                              uint16_t queue_id)
725 {
726         uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
727 /**
728  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
729  * per iteration
730  */
731 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
732 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
733 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
734 #define FREQ_UP_TREND1_ACC   1
735 #define FREQ_UP_TREND2_ACC   100
736 #define FREQ_UP_THRESHOLD    10000
737
738         if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
739                 stats[lcore_id].trend = 0;
740                 return FREQ_HIGHEST;
741         } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
742                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
743         else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
744                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
745
746         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
747                 stats[lcore_id].trend = 0;
748                 return FREQ_HIGHER;
749         }
750
751         return FREQ_CURRENT;
752 }
753
754 /**
755  * force polling thread sleep until one-shot rx interrupt triggers
756  * @param port_id
757  *  Port id.
758  * @param queue_id
759  *  Rx queue id.
760  * @return
761  *  0 on success
762  */
763 static int
764 sleep_until_rx_interrupt(int num)
765 {
766         struct rte_epoll_event event[num];
767         int n, i;
768         uint16_t port_id;
769         uint8_t queue_id;
770         void *data;
771
772         RTE_LOG(INFO, L3FWD_POWER,
773                 "lcore %u sleeps until interrupt triggers\n",
774                 rte_lcore_id());
775
776         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
777         for (i = 0; i < n; i++) {
778                 data = event[i].epdata.data;
779                 port_id = ((uintptr_t)data) >> CHAR_BIT;
780                 queue_id = ((uintptr_t)data) &
781                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
782                 rte_eth_dev_rx_intr_disable(port_id, queue_id);
783                 RTE_LOG(INFO, L3FWD_POWER,
784                         "lcore %u is waked up from rx interrupt on"
785                         " port %d queue %d\n",
786                         rte_lcore_id(), port_id, queue_id);
787         }
788
789         return 0;
790 }
791
792 static void turn_on_intr(struct lcore_conf *qconf)
793 {
794         int i;
795         struct lcore_rx_queue *rx_queue;
796         uint8_t queue_id;
797         uint16_t port_id;
798
799         for (i = 0; i < qconf->n_rx_queue; ++i) {
800                 rx_queue = &(qconf->rx_queue_list[i]);
801                 port_id = rx_queue->port_id;
802                 queue_id = rx_queue->queue_id;
803
804                 rte_spinlock_lock(&(locks[port_id]));
805                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
806                 rte_spinlock_unlock(&(locks[port_id]));
807         }
808 }
809
810 static int event_register(struct lcore_conf *qconf)
811 {
812         struct lcore_rx_queue *rx_queue;
813         uint8_t queueid;
814         uint16_t portid;
815         uint32_t data;
816         int ret;
817         int i;
818
819         for (i = 0; i < qconf->n_rx_queue; ++i) {
820                 rx_queue = &(qconf->rx_queue_list[i]);
821                 portid = rx_queue->port_id;
822                 queueid = rx_queue->queue_id;
823                 data = portid << CHAR_BIT | queueid;
824
825                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
826                                                 RTE_EPOLL_PER_THREAD,
827                                                 RTE_INTR_EVENT_ADD,
828                                                 (void *)((uintptr_t)data));
829                 if (ret)
830                         return ret;
831         }
832
833         return 0;
834 }
835
836 /* main processing loop */
837 static int
838 main_loop(__attribute__((unused)) void *dummy)
839 {
840         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
841         unsigned lcore_id;
842         uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
843         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
844         int i, j, nb_rx;
845         uint8_t queueid;
846         uint16_t portid;
847         struct lcore_conf *qconf;
848         struct lcore_rx_queue *rx_queue;
849         enum freq_scale_hint_t lcore_scaleup_hint;
850         uint32_t lcore_rx_idle_count = 0;
851         uint32_t lcore_idle_hint = 0;
852         int intr_en = 0;
853
854         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
855
856         prev_tsc = 0;
857         hz = rte_get_timer_hz();
858         tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
859
860         lcore_id = rte_lcore_id();
861         qconf = &lcore_conf[lcore_id];
862
863         if (qconf->n_rx_queue == 0) {
864                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
865                 return 0;
866         }
867
868         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
869
870         for (i = 0; i < qconf->n_rx_queue; i++) {
871                 portid = qconf->rx_queue_list[i].port_id;
872                 queueid = qconf->rx_queue_list[i].queue_id;
873                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
874                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
875         }
876
877         /* add into event wait list */
878         if (event_register(qconf) == 0)
879                 intr_en = 1;
880         else
881                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
882
883         while (1) {
884                 stats[lcore_id].nb_iteration_looped++;
885
886                 cur_tsc = rte_rdtsc();
887                 cur_tsc_power = cur_tsc;
888
889                 /*
890                  * TX burst queue drain
891                  */
892                 diff_tsc = cur_tsc - prev_tsc;
893                 if (unlikely(diff_tsc > drain_tsc)) {
894                         for (i = 0; i < qconf->n_tx_port; ++i) {
895                                 portid = qconf->tx_port_id[i];
896                                 rte_eth_tx_buffer_flush(portid,
897                                                 qconf->tx_queue_id[portid],
898                                                 qconf->tx_buffer[portid]);
899                         }
900                         prev_tsc = cur_tsc;
901                 }
902
903                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
904                 if (diff_tsc_power > tim_res_tsc) {
905                         rte_timer_manage();
906                         prev_tsc_power = cur_tsc_power;
907                 }
908
909 start_rx:
910                 /*
911                  * Read packet from RX queues
912                  */
913                 lcore_scaleup_hint = FREQ_CURRENT;
914                 lcore_rx_idle_count = 0;
915                 for (i = 0; i < qconf->n_rx_queue; ++i) {
916                         rx_queue = &(qconf->rx_queue_list[i]);
917                         rx_queue->idle_hint = 0;
918                         portid = rx_queue->port_id;
919                         queueid = rx_queue->queue_id;
920
921                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
922                                                                 MAX_PKT_BURST);
923
924                         stats[lcore_id].nb_rx_processed += nb_rx;
925                         if (unlikely(nb_rx == 0)) {
926                                 /**
927                                  * no packet received from rx queue, try to
928                                  * sleep for a while forcing CPU enter deeper
929                                  * C states.
930                                  */
931                                 rx_queue->zero_rx_packet_count++;
932
933                                 if (rx_queue->zero_rx_packet_count <=
934                                                         MIN_ZERO_POLL_COUNT)
935                                         continue;
936
937                                 rx_queue->idle_hint = power_idle_heuristic(\
938                                         rx_queue->zero_rx_packet_count);
939                                 lcore_rx_idle_count++;
940                         } else {
941                                 rx_queue->zero_rx_packet_count = 0;
942
943                                 /**
944                                  * do not scale up frequency immediately as
945                                  * user to kernel space communication is costly
946                                  * which might impact packet I/O for received
947                                  * packets.
948                                  */
949                                 rx_queue->freq_up_hint =
950                                         power_freq_scaleup_heuristic(lcore_id,
951                                                         portid, queueid);
952                         }
953
954                         /* Prefetch first packets */
955                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
956                                 rte_prefetch0(rte_pktmbuf_mtod(
957                                                 pkts_burst[j], void *));
958                         }
959
960                         /* Prefetch and forward already prefetched packets */
961                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
962                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
963                                                 j + PREFETCH_OFFSET], void *));
964                                 l3fwd_simple_forward(pkts_burst[j], portid,
965                                                                 qconf);
966                         }
967
968                         /* Forward remaining prefetched packets */
969                         for (; j < nb_rx; j++) {
970                                 l3fwd_simple_forward(pkts_burst[j], portid,
971                                                                 qconf);
972                         }
973                 }
974
975                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
976                         for (i = 1, lcore_scaleup_hint =
977                                 qconf->rx_queue_list[0].freq_up_hint;
978                                         i < qconf->n_rx_queue; ++i) {
979                                 rx_queue = &(qconf->rx_queue_list[i]);
980                                 if (rx_queue->freq_up_hint >
981                                                 lcore_scaleup_hint)
982                                         lcore_scaleup_hint =
983                                                 rx_queue->freq_up_hint;
984                         }
985
986                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
987                                 if (rte_power_freq_max)
988                                         rte_power_freq_max(lcore_id);
989                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
990                                 if (rte_power_freq_up)
991                                         rte_power_freq_up(lcore_id);
992                         }
993                 } else {
994                         /**
995                          * All Rx queues empty in recent consecutive polls,
996                          * sleep in a conservative manner, meaning sleep as
997                          * less as possible.
998                          */
999                         for (i = 1, lcore_idle_hint =
1000                                 qconf->rx_queue_list[0].idle_hint;
1001                                         i < qconf->n_rx_queue; ++i) {
1002                                 rx_queue = &(qconf->rx_queue_list[i]);
1003                                 if (rx_queue->idle_hint < lcore_idle_hint)
1004                                         lcore_idle_hint = rx_queue->idle_hint;
1005                         }
1006
1007                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1008                                 /**
1009                                  * execute "pause" instruction to avoid context
1010                                  * switch which generally take hundred of
1011                                  * microseconds for short sleep.
1012                                  */
1013                                 rte_delay_us(lcore_idle_hint);
1014                         else {
1015                                 /* suspend until rx interrupt trigges */
1016                                 if (intr_en) {
1017                                         turn_on_intr(qconf);
1018                                         sleep_until_rx_interrupt(
1019                                                 qconf->n_rx_queue);
1020                                         /**
1021                                          * start receiving packets immediately
1022                                          */
1023                                         goto start_rx;
1024                                 }
1025                         }
1026                         stats[lcore_id].sleep_time += lcore_idle_hint;
1027                 }
1028         }
1029 }
1030
1031 static int
1032 check_lcore_params(void)
1033 {
1034         uint8_t queue, lcore;
1035         uint16_t i;
1036         int socketid;
1037
1038         for (i = 0; i < nb_lcore_params; ++i) {
1039                 queue = lcore_params[i].queue_id;
1040                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1041                         printf("invalid queue number: %hhu\n", queue);
1042                         return -1;
1043                 }
1044                 lcore = lcore_params[i].lcore_id;
1045                 if (!rte_lcore_is_enabled(lcore)) {
1046                         printf("error: lcore %hhu is not enabled in lcore "
1047                                                         "mask\n", lcore);
1048                         return -1;
1049                 }
1050                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1051                                                         (numa_on == 0)) {
1052                         printf("warning: lcore %hhu is on socket %d with numa "
1053                                                 "off\n", lcore, socketid);
1054                 }
1055         }
1056         return 0;
1057 }
1058
1059 static int
1060 check_port_config(const unsigned nb_ports)
1061 {
1062         unsigned portid;
1063         uint16_t i;
1064
1065         for (i = 0; i < nb_lcore_params; ++i) {
1066                 portid = lcore_params[i].port_id;
1067                 if ((enabled_port_mask & (1 << portid)) == 0) {
1068                         printf("port %u is not enabled in port mask\n",
1069                                                                 portid);
1070                         return -1;
1071                 }
1072                 if (portid >= nb_ports) {
1073                         printf("port %u is not present on the board\n",
1074                                                                 portid);
1075                         return -1;
1076                 }
1077         }
1078         return 0;
1079 }
1080
1081 static uint8_t
1082 get_port_n_rx_queues(const uint16_t port)
1083 {
1084         int queue = -1;
1085         uint16_t i;
1086
1087         for (i = 0; i < nb_lcore_params; ++i) {
1088                 if (lcore_params[i].port_id == port &&
1089                                 lcore_params[i].queue_id > queue)
1090                         queue = lcore_params[i].queue_id;
1091         }
1092         return (uint8_t)(++queue);
1093 }
1094
1095 static int
1096 init_lcore_rx_queues(void)
1097 {
1098         uint16_t i, nb_rx_queue;
1099         uint8_t lcore;
1100
1101         for (i = 0; i < nb_lcore_params; ++i) {
1102                 lcore = lcore_params[i].lcore_id;
1103                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1104                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1105                         printf("error: too many queues (%u) for lcore: %u\n",
1106                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1107                         return -1;
1108                 } else {
1109                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1110                                 lcore_params[i].port_id;
1111                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1112                                 lcore_params[i].queue_id;
1113                         lcore_conf[lcore].n_rx_queue++;
1114                 }
1115         }
1116         return 0;
1117 }
1118
1119 /* display usage */
1120 static void
1121 print_usage(const char *prgname)
1122 {
1123         printf ("%s [EAL options] -- -p PORTMASK -P"
1124                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1125                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1126                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1127                 "  -P : enable promiscuous mode\n"
1128                 "  --config (port,queue,lcore): rx queues configuration\n"
1129                 "  --no-numa: optional, disable numa awareness\n"
1130                 "  --enable-jumbo: enable jumbo frame"
1131                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1132                 "  --parse-ptype: parse packet type by software\n",
1133                 prgname);
1134 }
1135
1136 static int parse_max_pkt_len(const char *pktlen)
1137 {
1138         char *end = NULL;
1139         unsigned long len;
1140
1141         /* parse decimal string */
1142         len = strtoul(pktlen, &end, 10);
1143         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1144                 return -1;
1145
1146         if (len == 0)
1147                 return -1;
1148
1149         return len;
1150 }
1151
1152 static int
1153 parse_portmask(const char *portmask)
1154 {
1155         char *end = NULL;
1156         unsigned long pm;
1157
1158         /* parse hexadecimal string */
1159         pm = strtoul(portmask, &end, 16);
1160         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1161                 return -1;
1162
1163         if (pm == 0)
1164                 return -1;
1165
1166         return pm;
1167 }
1168
1169 static int
1170 parse_config(const char *q_arg)
1171 {
1172         char s[256];
1173         const char *p, *p0 = q_arg;
1174         char *end;
1175         enum fieldnames {
1176                 FLD_PORT = 0,
1177                 FLD_QUEUE,
1178                 FLD_LCORE,
1179                 _NUM_FLD
1180         };
1181         unsigned long int_fld[_NUM_FLD];
1182         char *str_fld[_NUM_FLD];
1183         int i;
1184         unsigned size;
1185
1186         nb_lcore_params = 0;
1187
1188         while ((p = strchr(p0,'(')) != NULL) {
1189                 ++p;
1190                 if((p0 = strchr(p,')')) == NULL)
1191                         return -1;
1192
1193                 size = p0 - p;
1194                 if(size >= sizeof(s))
1195                         return -1;
1196
1197                 snprintf(s, sizeof(s), "%.*s", size, p);
1198                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1199                                                                 _NUM_FLD)
1200                         return -1;
1201                 for (i = 0; i < _NUM_FLD; i++){
1202                         errno = 0;
1203                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1204                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1205                                                                         255)
1206                                 return -1;
1207                 }
1208                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1209                         printf("exceeded max number of lcore params: %hu\n",
1210                                 nb_lcore_params);
1211                         return -1;
1212                 }
1213                 lcore_params_array[nb_lcore_params].port_id =
1214                                 (uint8_t)int_fld[FLD_PORT];
1215                 lcore_params_array[nb_lcore_params].queue_id =
1216                                 (uint8_t)int_fld[FLD_QUEUE];
1217                 lcore_params_array[nb_lcore_params].lcore_id =
1218                                 (uint8_t)int_fld[FLD_LCORE];
1219                 ++nb_lcore_params;
1220         }
1221         lcore_params = lcore_params_array;
1222
1223         return 0;
1224 }
1225
1226 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1227
1228 /* Parse the argument given in the command line of the application */
1229 static int
1230 parse_args(int argc, char **argv)
1231 {
1232         int opt, ret;
1233         char **argvopt;
1234         int option_index;
1235         char *prgname = argv[0];
1236         static struct option lgopts[] = {
1237                 {"config", 1, 0, 0},
1238                 {"no-numa", 0, 0, 0},
1239                 {"enable-jumbo", 0, 0, 0},
1240                 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1241                 {NULL, 0, 0, 0}
1242         };
1243
1244         argvopt = argv;
1245
1246         while ((opt = getopt_long(argc, argvopt, "p:P",
1247                                 lgopts, &option_index)) != EOF) {
1248
1249                 switch (opt) {
1250                 /* portmask */
1251                 case 'p':
1252                         enabled_port_mask = parse_portmask(optarg);
1253                         if (enabled_port_mask == 0) {
1254                                 printf("invalid portmask\n");
1255                                 print_usage(prgname);
1256                                 return -1;
1257                         }
1258                         break;
1259                 case 'P':
1260                         printf("Promiscuous mode selected\n");
1261                         promiscuous_on = 1;
1262                         break;
1263
1264                 /* long options */
1265                 case 0:
1266                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1267                                 ret = parse_config(optarg);
1268                                 if (ret) {
1269                                         printf("invalid config\n");
1270                                         print_usage(prgname);
1271                                         return -1;
1272                                 }
1273                         }
1274
1275                         if (!strncmp(lgopts[option_index].name,
1276                                                 "no-numa", 7)) {
1277                                 printf("numa is disabled \n");
1278                                 numa_on = 0;
1279                         }
1280
1281                         if (!strncmp(lgopts[option_index].name,
1282                                         "enable-jumbo", 12)) {
1283                                 struct option lenopts =
1284                                         {"max-pkt-len", required_argument, \
1285                                                                         0, 0};
1286
1287                                 printf("jumbo frame is enabled \n");
1288                                 port_conf.rxmode.offloads |=
1289                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
1290                                 port_conf.txmode.offloads |=
1291                                                 DEV_TX_OFFLOAD_MULTI_SEGS;
1292
1293                                 /**
1294                                  * if no max-pkt-len set, use the default value
1295                                  * ETHER_MAX_LEN
1296                                  */
1297                                 if (0 == getopt_long(argc, argvopt, "",
1298                                                 &lenopts, &option_index)) {
1299                                         ret = parse_max_pkt_len(optarg);
1300                                         if ((ret < 64) ||
1301                                                 (ret > MAX_JUMBO_PKT_LEN)){
1302                                                 printf("invalid packet "
1303                                                                 "length\n");
1304                                                 print_usage(prgname);
1305                                                 return -1;
1306                                         }
1307                                         port_conf.rxmode.max_rx_pkt_len = ret;
1308                                 }
1309                                 printf("set jumbo frame "
1310                                         "max packet length to %u\n",
1311                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1312                         }
1313
1314                         if (!strncmp(lgopts[option_index].name,
1315                                      CMD_LINE_OPT_PARSE_PTYPE,
1316                                      sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1317                                 printf("soft parse-ptype is enabled\n");
1318                                 parse_ptype = 1;
1319                         }
1320
1321                         break;
1322
1323                 default:
1324                         print_usage(prgname);
1325                         return -1;
1326                 }
1327         }
1328
1329         if (optind >= 0)
1330                 argv[optind-1] = prgname;
1331
1332         ret = optind-1;
1333         optind = 1; /* reset getopt lib */
1334         return ret;
1335 }
1336
1337 static void
1338 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1339 {
1340         char buf[ETHER_ADDR_FMT_SIZE];
1341         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1342         printf("%s%s", name, buf);
1343 }
1344
1345 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1346 static void
1347 setup_hash(int socketid)
1348 {
1349         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1350                 .name = NULL,
1351                 .entries = L3FWD_HASH_ENTRIES,
1352                 .key_len = sizeof(struct ipv4_5tuple),
1353                 .hash_func = DEFAULT_HASH_FUNC,
1354                 .hash_func_init_val = 0,
1355         };
1356
1357         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1358                 .name = NULL,
1359                 .entries = L3FWD_HASH_ENTRIES,
1360                 .key_len = sizeof(struct ipv6_5tuple),
1361                 .hash_func = DEFAULT_HASH_FUNC,
1362                 .hash_func_init_val = 0,
1363         };
1364
1365         unsigned i;
1366         int ret;
1367         char s[64];
1368
1369         /* create ipv4 hash */
1370         snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1371         ipv4_l3fwd_hash_params.name = s;
1372         ipv4_l3fwd_hash_params.socket_id = socketid;
1373         ipv4_l3fwd_lookup_struct[socketid] =
1374                 rte_hash_create(&ipv4_l3fwd_hash_params);
1375         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1376                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1377                                 "socket %d\n", socketid);
1378
1379         /* create ipv6 hash */
1380         snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1381         ipv6_l3fwd_hash_params.name = s;
1382         ipv6_l3fwd_hash_params.socket_id = socketid;
1383         ipv6_l3fwd_lookup_struct[socketid] =
1384                 rte_hash_create(&ipv6_l3fwd_hash_params);
1385         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1386                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1387                                 "socket %d\n", socketid);
1388
1389
1390         /* populate the ipv4 hash */
1391         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1392                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1393                                 (void *) &ipv4_l3fwd_route_array[i].key);
1394                 if (ret < 0) {
1395                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1396                                 "l3fwd hash on socket %d\n", i, socketid);
1397                 }
1398                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1399                 printf("Hash: Adding key\n");
1400                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1401         }
1402
1403         /* populate the ipv6 hash */
1404         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1405                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1406                                 (void *) &ipv6_l3fwd_route_array[i].key);
1407                 if (ret < 0) {
1408                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1409                                 "l3fwd hash on socket %d\n", i, socketid);
1410                 }
1411                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1412                 printf("Hash: Adding key\n");
1413                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1414         }
1415 }
1416 #endif
1417
1418 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1419 static void
1420 setup_lpm(int socketid)
1421 {
1422         unsigned i;
1423         int ret;
1424         char s[64];
1425
1426         /* create the LPM table */
1427         struct rte_lpm_config lpm_ipv4_config;
1428
1429         lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1430         lpm_ipv4_config.number_tbl8s = 256;
1431         lpm_ipv4_config.flags = 0;
1432
1433         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1434         ipv4_l3fwd_lookup_struct[socketid] =
1435                         rte_lpm_create(s, socketid, &lpm_ipv4_config);
1436         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1437                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1438                                 " on socket %d\n", socketid);
1439
1440         /* populate the LPM table */
1441         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1442                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1443                         ipv4_l3fwd_route_array[i].ip,
1444                         ipv4_l3fwd_route_array[i].depth,
1445                         ipv4_l3fwd_route_array[i].if_out);
1446
1447                 if (ret < 0) {
1448                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1449                                 "l3fwd LPM table on socket %d\n",
1450                                 i, socketid);
1451                 }
1452
1453                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1454                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1455                         ipv4_l3fwd_route_array[i].depth,
1456                         ipv4_l3fwd_route_array[i].if_out);
1457         }
1458 }
1459 #endif
1460
1461 static int
1462 init_mem(unsigned nb_mbuf)
1463 {
1464         struct lcore_conf *qconf;
1465         int socketid;
1466         unsigned lcore_id;
1467         char s[64];
1468
1469         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1470                 if (rte_lcore_is_enabled(lcore_id) == 0)
1471                         continue;
1472
1473                 if (numa_on)
1474                         socketid = rte_lcore_to_socket_id(lcore_id);
1475                 else
1476                         socketid = 0;
1477
1478                 if (socketid >= NB_SOCKETS) {
1479                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1480                                         "out of range %d\n", socketid,
1481                                                 lcore_id, NB_SOCKETS);
1482                 }
1483                 if (pktmbuf_pool[socketid] == NULL) {
1484                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1485                         pktmbuf_pool[socketid] =
1486                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1487                                         MEMPOOL_CACHE_SIZE, 0,
1488                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1489                                         socketid);
1490                         if (pktmbuf_pool[socketid] == NULL)
1491                                 rte_exit(EXIT_FAILURE,
1492                                         "Cannot init mbuf pool on socket %d\n",
1493                                                                 socketid);
1494                         else
1495                                 printf("Allocated mbuf pool on socket %d\n",
1496                                                                 socketid);
1497
1498 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1499                         setup_lpm(socketid);
1500 #else
1501                         setup_hash(socketid);
1502 #endif
1503                 }
1504                 qconf = &lcore_conf[lcore_id];
1505                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1506 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1507                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1508 #endif
1509         }
1510         return 0;
1511 }
1512
1513 /* Check the link status of all ports in up to 9s, and print them finally */
1514 static void
1515 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1516 {
1517 #define CHECK_INTERVAL 100 /* 100ms */
1518 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1519         uint8_t count, all_ports_up, print_flag = 0;
1520         uint16_t portid;
1521         struct rte_eth_link link;
1522
1523         printf("\nChecking link status");
1524         fflush(stdout);
1525         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1526                 all_ports_up = 1;
1527                 for (portid = 0; portid < port_num; portid++) {
1528                         if ((port_mask & (1 << portid)) == 0)
1529                                 continue;
1530                         memset(&link, 0, sizeof(link));
1531                         rte_eth_link_get_nowait(portid, &link);
1532                         /* print link status if flag set */
1533                         if (print_flag == 1) {
1534                                 if (link.link_status)
1535                                         printf("Port %d Link Up - speed %u "
1536                                                 "Mbps - %s\n", (uint8_t)portid,
1537                                                 (unsigned)link.link_speed,
1538                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1539                                         ("full-duplex") : ("half-duplex\n"));
1540                                 else
1541                                         printf("Port %d Link Down\n",
1542                                                 (uint8_t)portid);
1543                                 continue;
1544                         }
1545                         /* clear all_ports_up flag if any link down */
1546                         if (link.link_status == ETH_LINK_DOWN) {
1547                                 all_ports_up = 0;
1548                                 break;
1549                         }
1550                 }
1551                 /* after finally printing all link status, get out */
1552                 if (print_flag == 1)
1553                         break;
1554
1555                 if (all_ports_up == 0) {
1556                         printf(".");
1557                         fflush(stdout);
1558                         rte_delay_ms(CHECK_INTERVAL);
1559                 }
1560
1561                 /* set the print_flag if all ports up or timeout */
1562                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1563                         print_flag = 1;
1564                         printf("done\n");
1565                 }
1566         }
1567 }
1568
1569 static int check_ptype(uint16_t portid)
1570 {
1571         int i, ret;
1572         int ptype_l3_ipv4 = 0;
1573 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1574         int ptype_l3_ipv6 = 0;
1575 #endif
1576         uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1577
1578         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1579         if (ret <= 0)
1580                 return 0;
1581
1582         uint32_t ptypes[ret];
1583
1584         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1585         for (i = 0; i < ret; ++i) {
1586                 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1587                         ptype_l3_ipv4 = 1;
1588 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1589                 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1590                         ptype_l3_ipv6 = 1;
1591 #endif
1592         }
1593
1594         if (ptype_l3_ipv4 == 0)
1595                 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1596
1597 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1598         if (ptype_l3_ipv6 == 0)
1599                 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1600 #endif
1601
1602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1603         if (ptype_l3_ipv4)
1604 #else /* APP_LOOKUP_EXACT_MATCH */
1605         if (ptype_l3_ipv4 && ptype_l3_ipv6)
1606 #endif
1607                 return 1;
1608
1609         return 0;
1610
1611 }
1612
1613 int
1614 main(int argc, char **argv)
1615 {
1616         struct lcore_conf *qconf;
1617         struct rte_eth_dev_info dev_info;
1618         struct rte_eth_txconf *txconf;
1619         int ret;
1620         uint16_t nb_ports;
1621         uint16_t queueid;
1622         unsigned lcore_id;
1623         uint64_t hz;
1624         uint32_t n_tx_queue, nb_lcores;
1625         uint32_t dev_rxq_num, dev_txq_num;
1626         uint8_t nb_rx_queue, queue, socketid;
1627         uint16_t portid;
1628
1629         /* catch SIGINT and restore cpufreq governor to ondemand */
1630         signal(SIGINT, signal_exit_now);
1631
1632         /* init EAL */
1633         ret = rte_eal_init(argc, argv);
1634         if (ret < 0)
1635                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1636         argc -= ret;
1637         argv += ret;
1638
1639         /* init RTE timer library to be used late */
1640         rte_timer_subsystem_init();
1641
1642         /* parse application arguments (after the EAL ones) */
1643         ret = parse_args(argc, argv);
1644         if (ret < 0)
1645                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1646
1647         if (check_lcore_params() < 0)
1648                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1649
1650         ret = init_lcore_rx_queues();
1651         if (ret < 0)
1652                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1653
1654         nb_ports = rte_eth_dev_count();
1655
1656         if (check_port_config(nb_ports) < 0)
1657                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1658
1659         nb_lcores = rte_lcore_count();
1660
1661         /* initialize all ports */
1662         for (portid = 0; portid < nb_ports; portid++) {
1663                 struct rte_eth_conf local_port_conf = port_conf;
1664
1665                 /* skip ports that are not enabled */
1666                 if ((enabled_port_mask & (1 << portid)) == 0) {
1667                         printf("\nSkipping disabled port %d\n", portid);
1668                         continue;
1669                 }
1670
1671                 /* init port */
1672                 printf("Initializing port %d ... ", portid );
1673                 fflush(stdout);
1674
1675                 rte_eth_dev_info_get(portid, &dev_info);
1676                 dev_rxq_num = dev_info.max_rx_queues;
1677                 dev_txq_num = dev_info.max_tx_queues;
1678
1679                 nb_rx_queue = get_port_n_rx_queues(portid);
1680                 if (nb_rx_queue > dev_rxq_num)
1681                         rte_exit(EXIT_FAILURE,
1682                                 "Cannot configure not existed rxq: "
1683                                 "port=%d\n", portid);
1684
1685                 n_tx_queue = nb_lcores;
1686                 if (n_tx_queue > dev_txq_num)
1687                         n_tx_queue = dev_txq_num;
1688                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1689                         nb_rx_queue, (unsigned)n_tx_queue );
1690                 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1691                 if (nb_rx_queue == 0)
1692                         local_port_conf.intr_conf.rxq = 0;
1693                 rte_eth_dev_info_get(portid, &dev_info);
1694                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1695                         local_port_conf.txmode.offloads |=
1696                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1697                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1698                                         (uint16_t)n_tx_queue, &local_port_conf);
1699                 if (ret < 0)
1700                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1701                                         "err=%d, port=%d\n", ret, portid);
1702
1703                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1704                                                        &nb_txd);
1705                 if (ret < 0)
1706                         rte_exit(EXIT_FAILURE,
1707                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
1708                                  ret, portid);
1709
1710                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1711                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1712                 printf(", ");
1713
1714                 /* init memory */
1715                 ret = init_mem(NB_MBUF);
1716                 if (ret < 0)
1717                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1718
1719                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1720                         if (rte_lcore_is_enabled(lcore_id) == 0)
1721                                 continue;
1722
1723                         /* Initialize TX buffers */
1724                         qconf = &lcore_conf[lcore_id];
1725                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1726                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1727                                 rte_eth_dev_socket_id(portid));
1728                         if (qconf->tx_buffer[portid] == NULL)
1729                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1730                                                  portid);
1731
1732                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1733                 }
1734
1735                 /* init one TX queue per couple (lcore,port) */
1736                 queueid = 0;
1737                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1738                         if (rte_lcore_is_enabled(lcore_id) == 0)
1739                                 continue;
1740
1741                         if (queueid >= dev_txq_num)
1742                                 continue;
1743
1744                         if (numa_on)
1745                                 socketid = \
1746                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1747                         else
1748                                 socketid = 0;
1749
1750                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1751                         fflush(stdout);
1752
1753                         txconf = &dev_info.default_txconf;
1754                         txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
1755                         txconf->offloads = local_port_conf.txmode.offloads;
1756                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1757                                                      socketid, txconf);
1758                         if (ret < 0)
1759                                 rte_exit(EXIT_FAILURE,
1760                                         "rte_eth_tx_queue_setup: err=%d, "
1761                                                 "port=%d\n", ret, portid);
1762
1763                         qconf = &lcore_conf[lcore_id];
1764                         qconf->tx_queue_id[portid] = queueid;
1765                         queueid++;
1766
1767                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1768                         qconf->n_tx_port++;
1769                 }
1770                 printf("\n");
1771         }
1772
1773         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1774                 if (rte_lcore_is_enabled(lcore_id) == 0)
1775                         continue;
1776
1777                 /* init power management library */
1778                 ret = rte_power_init(lcore_id);
1779                 if (ret)
1780                         RTE_LOG(ERR, POWER,
1781                                 "Library initialization failed on core %u\n", lcore_id);
1782
1783                 /* init timer structures for each enabled lcore */
1784                 rte_timer_init(&power_timers[lcore_id]);
1785                 hz = rte_get_timer_hz();
1786                 rte_timer_reset(&power_timers[lcore_id],
1787                         hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1788                                                 power_timer_cb, NULL);
1789
1790                 qconf = &lcore_conf[lcore_id];
1791                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1792                 fflush(stdout);
1793                 /* init RX queues */
1794                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1795                         struct rte_eth_rxconf rxq_conf;
1796                         struct rte_eth_dev *dev;
1797                         struct rte_eth_conf *conf;
1798
1799                         portid = qconf->rx_queue_list[queue].port_id;
1800                         queueid = qconf->rx_queue_list[queue].queue_id;
1801                         dev = &rte_eth_devices[portid];
1802                         conf = &dev->data->dev_conf;
1803
1804                         if (numa_on)
1805                                 socketid = \
1806                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1807                         else
1808                                 socketid = 0;
1809
1810                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1811                         fflush(stdout);
1812
1813                         rte_eth_dev_info_get(portid, &dev_info);
1814                         rxq_conf = dev_info.default_rxconf;
1815                         rxq_conf.offloads = conf->rxmode.offloads;
1816                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1817                                 socketid, &rxq_conf,
1818                                 pktmbuf_pool[socketid]);
1819                         if (ret < 0)
1820                                 rte_exit(EXIT_FAILURE,
1821                                         "rte_eth_rx_queue_setup: err=%d, "
1822                                                 "port=%d\n", ret, portid);
1823
1824                         if (parse_ptype) {
1825                                 if (add_cb_parse_ptype(portid, queueid) < 0)
1826                                         rte_exit(EXIT_FAILURE,
1827                                                  "Fail to add ptype cb\n");
1828                         } else if (!check_ptype(portid))
1829                                 rte_exit(EXIT_FAILURE,
1830                                          "PMD can not provide needed ptypes\n");
1831                 }
1832         }
1833
1834         printf("\n");
1835
1836         /* start ports */
1837         for (portid = 0; portid < nb_ports; portid++) {
1838                 if ((enabled_port_mask & (1 << portid)) == 0) {
1839                         continue;
1840                 }
1841                 /* Start device */
1842                 ret = rte_eth_dev_start(portid);
1843                 if (ret < 0)
1844                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1845                                                 "port=%d\n", ret, portid);
1846                 /*
1847                  * If enabled, put device in promiscuous mode.
1848                  * This allows IO forwarding mode to forward packets
1849                  * to itself through 2 cross-connected  ports of the
1850                  * target machine.
1851                  */
1852                 if (promiscuous_on)
1853                         rte_eth_promiscuous_enable(portid);
1854                 /* initialize spinlock for each port */
1855                 rte_spinlock_init(&(locks[portid]));
1856         }
1857
1858         check_all_ports_link_status(nb_ports, enabled_port_mask);
1859
1860         /* launch per-lcore init on every lcore */
1861         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1862         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1863                 if (rte_eal_wait_lcore(lcore_id) < 0)
1864                         return -1;
1865         }
1866
1867         return 0;
1868 }