1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
11 #include <sys/queue.h>
18 #include <rte_common.h>
19 #include <rte_byteorder.h>
21 #include <rte_malloc.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.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>
42 #include <rte_string_fns.h>
43 #include <rte_timer.h>
44 #include <rte_power.h>
45 #include <rte_spinlock.h>
47 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
49 #define MAX_PKT_BURST 32
51 #define MIN_ZERO_POLL_COUNT 10
54 #define TIMER_NUMBER_PER_SECOND 10
56 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
57 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
59 #define APP_LOOKUP_EXACT_MATCH 0
60 #define APP_LOOKUP_LPM 1
61 #define DO_RFC_1812_CHECKS
63 #ifndef APP_LOOKUP_METHOD
64 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
67 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
69 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
72 #error "APP_LOOKUP_METHOD set to incorrect value"
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]
85 #define MAX_JUMBO_PKT_LEN 9600
87 #define IPV6_ADDR_LEN 16
89 #define MEMPOOL_CACHE_SIZE 256
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.
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), \
105 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
109 /* Configure how many packets ahead to prefetch, when reading packets */
110 #define PREFETCH_OFFSET 3
113 * Configurable number of RX/TX ring descriptors
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;
120 /* ethernet addresses of ports */
121 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
123 /* ethernet addresses of ports */
124 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
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 */
135 enum freq_scale_hint_t
143 struct lcore_rx_queue {
146 enum freq_scale_hint_t freq_up_hint;
147 uint32_t zero_rx_packet_count;
149 } __rte_cache_aligned;
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
155 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
158 #define MAX_LCORE_PARAMS 1024
159 struct lcore_params {
163 } __rte_cache_aligned;
165 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
166 static struct lcore_params lcore_params_array_default[] = {
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]);
182 static struct rte_eth_conf port_conf = {
184 .mq_mode = ETH_MQ_RX_RSS,
185 .max_rx_pkt_len = ETHER_MAX_LEN,
187 .ignore_offload_bitfield = 1,
188 .offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
189 DEV_RX_OFFLOAD_CHECKSUM),
194 .rss_hf = ETH_RSS_UDP,
198 .mq_mode = ETH_MQ_TX_NONE,
205 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
208 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
211 #include <rte_hash_crc.h>
212 #define DEFAULT_HASH_FUNC rte_hash_crc
214 #include <rte_jhash.h>
215 #define DEFAULT_HASH_FUNC rte_jhash
224 } __attribute__((__packed__));
227 uint8_t ip_dst[IPV6_ADDR_LEN];
228 uint8_t ip_src[IPV6_ADDR_LEN];
232 } __attribute__((__packed__));
234 struct ipv4_l3fwd_route {
235 struct ipv4_5tuple key;
239 struct ipv6_l3fwd_route {
240 struct ipv6_5tuple key;
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},
251 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
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},
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];
267 #define L3FWD_HASH_ENTRIES 1024
269 #define IPV4_L3FWD_NUM_ROUTES \
270 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
272 #define IPV6_L3FWD_NUM_ROUTES \
273 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
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;
279 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
280 struct ipv4_l3fwd_route {
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},
297 #define IPV4_L3FWD_NUM_ROUTES \
298 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
300 #define IPV4_L3FWD_LPM_MAX_RULES 1024
302 typedef struct rte_lpm lookup_struct_t;
303 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
308 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
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;
318 /* total sleep time in ms since last frequency scaling down */
320 /* number of long sleep recently */
321 uint32_t nb_long_sleep;
322 /* freq. scaling up trend */
324 /* total packet processed recently */
325 uint64_t nb_rx_processed;
326 /* total iterations looped recently */
327 uint64_t nb_iteration_looped;
329 } __rte_cache_aligned;
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];
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);
339 /* exit signal handler */
341 signal_exit_now(int sigtype)
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)
352 /* init power management library */
353 ret = rte_power_exit(lcore_id);
355 rte_exit(EXIT_FAILURE, "Power management "
356 "library de-initialization failed on "
357 "core%u\n", lcore_id);
360 RTE_ETH_FOREACH_DEV(portid) {
361 if ((enabled_port_mask & (1 << portid)) == 0)
364 rte_eth_dev_stop(portid);
365 rte_eth_dev_close(portid);
369 rte_exit(EXIT_SUCCESS, "User forced exit\n");
372 /* Freqency scale down timer callback */
374 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
375 __attribute__((unused)) void *arg)
378 float sleep_time_ratio;
379 unsigned lcore_id = rte_lcore_id();
381 /* accumulate total execution time in us when callback is invoked */
382 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
383 (float)SCALING_PERIOD;
385 * check whether need to scale down frequency a step if it sleep a lot.
387 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
388 if (rte_power_freq_down)
389 rte_power_freq_down(lcore_id);
391 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
392 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
394 * scale down a step if average packet per iteration less
397 if (rte_power_freq_down)
398 rte_power_freq_down(lcore_id);
402 * initialize another timer according to current frequency to ensure
403 * timer interval is relatively fixed.
405 hz = rte_get_timer_hz();
406 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
407 SINGLE, lcore_id, power_timer_cb, NULL);
409 stats[lcore_id].nb_rx_processed = 0;
410 stats[lcore_id].nb_iteration_looped = 0;
412 stats[lcore_id].sleep_time = 0;
415 /* Enqueue a single packet, and send burst if queue is filled */
417 send_single_packet(struct rte_mbuf *m, uint16_t port)
420 struct lcore_conf *qconf;
422 lcore_id = rte_lcore_id();
423 qconf = &lcore_conf[lcore_id];
425 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
426 qconf->tx_buffer[port], m);
431 #ifdef DO_RFC_1812_CHECKS
433 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
435 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
437 * 1. The packet length reported by the Link Layer must be large
438 * enough to hold the minimum length legal IP datagram (20 bytes).
440 if (link_len < sizeof(struct ipv4_hdr))
443 /* 2. The IP checksum must be correct. */
444 /* this is checked in H/W */
447 * 3. The IP version number must be 4. If the version number is not 4
448 * then the packet may be another version of IP, such as IPng or
451 if (((pkt->version_ihl) >> 4) != 4)
454 * 4. The IP header length field must be large enough to hold the
455 * minimum length legal IP datagram (20 bytes = 5 words).
457 if ((pkt->version_ihl & 0xf) < 5)
461 * 5. The IP total length field must be large enough to hold the IP
462 * datagram header, whose length is specified in the IP header length
465 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
472 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
474 print_ipv4_key(struct ipv4_5tuple key)
476 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
477 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
478 key.port_dst, key.port_src, key.proto);
481 print_ipv6_key(struct ipv6_5tuple key)
483 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
484 "port dst = %d, port src = %d, proto = %d\n",
485 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
486 key.port_dst, key.port_src, key.proto);
489 static inline uint16_t
490 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
491 lookup_struct_t * ipv4_l3fwd_lookup_struct)
493 struct ipv4_5tuple key;
498 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
499 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
500 key.proto = ipv4_hdr->next_proto_id;
502 switch (ipv4_hdr->next_proto_id) {
504 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
505 sizeof(struct ipv4_hdr));
506 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
507 key.port_src = rte_be_to_cpu_16(tcp->src_port);
511 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
512 sizeof(struct ipv4_hdr));
513 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
514 key.port_src = rte_be_to_cpu_16(udp->src_port);
523 /* Find destination port */
524 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
525 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
528 static inline uint16_t
529 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
530 lookup_struct_t *ipv6_l3fwd_lookup_struct)
532 struct ipv6_5tuple key;
537 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
538 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
540 key.proto = ipv6_hdr->proto;
542 switch (ipv6_hdr->proto) {
544 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
545 sizeof(struct ipv6_hdr));
546 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
547 key.port_src = rte_be_to_cpu_16(tcp->src_port);
551 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
552 sizeof(struct ipv6_hdr));
553 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
554 key.port_src = rte_be_to_cpu_16(udp->src_port);
563 /* Find destination port */
564 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
565 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
569 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
570 static inline uint16_t
571 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
572 lookup_struct_t *ipv4_l3fwd_lookup_struct)
576 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
577 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
583 parse_ptype_one(struct rte_mbuf *m)
585 struct ether_hdr *eth_hdr;
586 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
589 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
590 ether_type = eth_hdr->ether_type;
591 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
592 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
593 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
594 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
596 m->packet_type = packet_type;
600 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
601 struct rte_mbuf *pkts[], uint16_t nb_pkts,
602 uint16_t max_pkts __rte_unused,
603 void *user_param __rte_unused)
607 for (i = 0; i < nb_pkts; ++i)
608 parse_ptype_one(pkts[i]);
614 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
616 printf("Port %d: softly parse packet type info\n", portid);
617 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
620 printf("Failed to add rx callback: port=%d\n", portid);
625 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
626 struct lcore_conf *qconf)
628 struct ether_hdr *eth_hdr;
629 struct ipv4_hdr *ipv4_hdr;
633 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
635 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
636 /* Handle IPv4 headers.*/
638 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
639 sizeof(struct ether_hdr));
641 #ifdef DO_RFC_1812_CHECKS
642 /* Check to make sure the packet is valid (RFC1812) */
643 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
649 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
650 qconf->ipv4_lookup_struct);
651 if (dst_port >= RTE_MAX_ETHPORTS ||
652 (enabled_port_mask & 1 << dst_port) == 0)
655 /* 02:00:00:00:00:xx */
656 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
657 *((uint64_t *)d_addr_bytes) =
658 0x000000000002 + ((uint64_t)dst_port << 40);
660 #ifdef DO_RFC_1812_CHECKS
661 /* Update time to live and header checksum */
662 --(ipv4_hdr->time_to_live);
663 ++(ipv4_hdr->hdr_checksum);
667 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
669 send_single_packet(m, dst_port);
670 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
671 /* Handle IPv6 headers.*/
672 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
673 struct ipv6_hdr *ipv6_hdr;
676 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
677 sizeof(struct ether_hdr));
679 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
680 qconf->ipv6_lookup_struct);
682 if (dst_port >= RTE_MAX_ETHPORTS ||
683 (enabled_port_mask & 1 << dst_port) == 0)
686 /* 02:00:00:00:00:xx */
687 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
688 *((uint64_t *)d_addr_bytes) =
689 0x000000000002 + ((uint64_t)dst_port << 40);
692 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
694 send_single_packet(m, dst_port);
696 /* We don't currently handle IPv6 packets in LPM mode. */
704 #define MINIMUM_SLEEP_TIME 1
705 #define SUSPEND_THRESHOLD 300
707 static inline uint32_t
708 power_idle_heuristic(uint32_t zero_rx_packet_count)
710 /* If zero count is less than 100, sleep 1us */
711 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
712 return MINIMUM_SLEEP_TIME;
713 /* If zero count is less than 1000, sleep 100 us which is the
714 minimum latency switching from C3/C6 to C0
717 return SUSPEND_THRESHOLD;
720 static inline enum freq_scale_hint_t
721 power_freq_scaleup_heuristic(unsigned lcore_id,
725 uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
727 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
730 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
731 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
732 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
733 #define FREQ_UP_TREND1_ACC 1
734 #define FREQ_UP_TREND2_ACC 100
735 #define FREQ_UP_THRESHOLD 10000
737 if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
738 stats[lcore_id].trend = 0;
740 } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
741 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
742 else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
743 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
745 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
746 stats[lcore_id].trend = 0;
754 * force polling thread sleep until one-shot rx interrupt triggers
763 sleep_until_rx_interrupt(int num)
765 struct rte_epoll_event event[num];
771 RTE_LOG(INFO, L3FWD_POWER,
772 "lcore %u sleeps until interrupt triggers\n",
775 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
776 for (i = 0; i < n; i++) {
777 data = event[i].epdata.data;
778 port_id = ((uintptr_t)data) >> CHAR_BIT;
779 queue_id = ((uintptr_t)data) &
780 RTE_LEN2MASK(CHAR_BIT, uint8_t);
781 rte_eth_dev_rx_intr_disable(port_id, queue_id);
782 RTE_LOG(INFO, L3FWD_POWER,
783 "lcore %u is waked up from rx interrupt on"
784 " port %d queue %d\n",
785 rte_lcore_id(), port_id, queue_id);
791 static void turn_on_intr(struct lcore_conf *qconf)
794 struct lcore_rx_queue *rx_queue;
798 for (i = 0; i < qconf->n_rx_queue; ++i) {
799 rx_queue = &(qconf->rx_queue_list[i]);
800 port_id = rx_queue->port_id;
801 queue_id = rx_queue->queue_id;
803 rte_spinlock_lock(&(locks[port_id]));
804 rte_eth_dev_rx_intr_enable(port_id, queue_id);
805 rte_spinlock_unlock(&(locks[port_id]));
809 static int event_register(struct lcore_conf *qconf)
811 struct lcore_rx_queue *rx_queue;
818 for (i = 0; i < qconf->n_rx_queue; ++i) {
819 rx_queue = &(qconf->rx_queue_list[i]);
820 portid = rx_queue->port_id;
821 queueid = rx_queue->queue_id;
822 data = portid << CHAR_BIT | queueid;
824 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
825 RTE_EPOLL_PER_THREAD,
827 (void *)((uintptr_t)data));
835 /* main processing loop */
837 main_loop(__attribute__((unused)) void *dummy)
839 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
841 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
842 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
846 struct lcore_conf *qconf;
847 struct lcore_rx_queue *rx_queue;
848 enum freq_scale_hint_t lcore_scaleup_hint;
849 uint32_t lcore_rx_idle_count = 0;
850 uint32_t lcore_idle_hint = 0;
853 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
856 hz = rte_get_timer_hz();
857 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
859 lcore_id = rte_lcore_id();
860 qconf = &lcore_conf[lcore_id];
862 if (qconf->n_rx_queue == 0) {
863 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
867 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
869 for (i = 0; i < qconf->n_rx_queue; i++) {
870 portid = qconf->rx_queue_list[i].port_id;
871 queueid = qconf->rx_queue_list[i].queue_id;
872 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
873 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
876 /* add into event wait list */
877 if (event_register(qconf) == 0)
880 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
883 stats[lcore_id].nb_iteration_looped++;
885 cur_tsc = rte_rdtsc();
886 cur_tsc_power = cur_tsc;
889 * TX burst queue drain
891 diff_tsc = cur_tsc - prev_tsc;
892 if (unlikely(diff_tsc > drain_tsc)) {
893 for (i = 0; i < qconf->n_tx_port; ++i) {
894 portid = qconf->tx_port_id[i];
895 rte_eth_tx_buffer_flush(portid,
896 qconf->tx_queue_id[portid],
897 qconf->tx_buffer[portid]);
902 diff_tsc_power = cur_tsc_power - prev_tsc_power;
903 if (diff_tsc_power > tim_res_tsc) {
905 prev_tsc_power = cur_tsc_power;
910 * Read packet from RX queues
912 lcore_scaleup_hint = FREQ_CURRENT;
913 lcore_rx_idle_count = 0;
914 for (i = 0; i < qconf->n_rx_queue; ++i) {
915 rx_queue = &(qconf->rx_queue_list[i]);
916 rx_queue->idle_hint = 0;
917 portid = rx_queue->port_id;
918 queueid = rx_queue->queue_id;
920 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
923 stats[lcore_id].nb_rx_processed += nb_rx;
924 if (unlikely(nb_rx == 0)) {
926 * no packet received from rx queue, try to
927 * sleep for a while forcing CPU enter deeper
930 rx_queue->zero_rx_packet_count++;
932 if (rx_queue->zero_rx_packet_count <=
936 rx_queue->idle_hint = power_idle_heuristic(\
937 rx_queue->zero_rx_packet_count);
938 lcore_rx_idle_count++;
940 rx_queue->zero_rx_packet_count = 0;
943 * do not scale up frequency immediately as
944 * user to kernel space communication is costly
945 * which might impact packet I/O for received
948 rx_queue->freq_up_hint =
949 power_freq_scaleup_heuristic(lcore_id,
953 /* Prefetch first packets */
954 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
955 rte_prefetch0(rte_pktmbuf_mtod(
956 pkts_burst[j], void *));
959 /* Prefetch and forward already prefetched packets */
960 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
961 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
962 j + PREFETCH_OFFSET], void *));
963 l3fwd_simple_forward(pkts_burst[j], portid,
967 /* Forward remaining prefetched packets */
968 for (; j < nb_rx; j++) {
969 l3fwd_simple_forward(pkts_burst[j], portid,
974 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
975 for (i = 1, lcore_scaleup_hint =
976 qconf->rx_queue_list[0].freq_up_hint;
977 i < qconf->n_rx_queue; ++i) {
978 rx_queue = &(qconf->rx_queue_list[i]);
979 if (rx_queue->freq_up_hint >
982 rx_queue->freq_up_hint;
985 if (lcore_scaleup_hint == FREQ_HIGHEST) {
986 if (rte_power_freq_max)
987 rte_power_freq_max(lcore_id);
988 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
989 if (rte_power_freq_up)
990 rte_power_freq_up(lcore_id);
994 * All Rx queues empty in recent consecutive polls,
995 * sleep in a conservative manner, meaning sleep as
998 for (i = 1, lcore_idle_hint =
999 qconf->rx_queue_list[0].idle_hint;
1000 i < qconf->n_rx_queue; ++i) {
1001 rx_queue = &(qconf->rx_queue_list[i]);
1002 if (rx_queue->idle_hint < lcore_idle_hint)
1003 lcore_idle_hint = rx_queue->idle_hint;
1006 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1008 * execute "pause" instruction to avoid context
1009 * switch which generally take hundred of
1010 * microseconds for short sleep.
1012 rte_delay_us(lcore_idle_hint);
1014 /* suspend until rx interrupt trigges */
1016 turn_on_intr(qconf);
1017 sleep_until_rx_interrupt(
1020 * start receiving packets immediately
1025 stats[lcore_id].sleep_time += lcore_idle_hint;
1031 check_lcore_params(void)
1033 uint8_t queue, lcore;
1037 for (i = 0; i < nb_lcore_params; ++i) {
1038 queue = lcore_params[i].queue_id;
1039 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1040 printf("invalid queue number: %hhu\n", queue);
1043 lcore = lcore_params[i].lcore_id;
1044 if (!rte_lcore_is_enabled(lcore)) {
1045 printf("error: lcore %hhu is not enabled in lcore "
1049 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1051 printf("warning: lcore %hhu is on socket %d with numa "
1052 "off\n", lcore, socketid);
1059 check_port_config(void)
1064 for (i = 0; i < nb_lcore_params; ++i) {
1065 portid = lcore_params[i].port_id;
1066 if ((enabled_port_mask & (1 << portid)) == 0) {
1067 printf("port %u is not enabled in port mask\n",
1071 if (!rte_eth_dev_is_valid_port(portid)) {
1072 printf("port %u is not present on the board\n",
1081 get_port_n_rx_queues(const uint16_t port)
1086 for (i = 0; i < nb_lcore_params; ++i) {
1087 if (lcore_params[i].port_id == port &&
1088 lcore_params[i].queue_id > queue)
1089 queue = lcore_params[i].queue_id;
1091 return (uint8_t)(++queue);
1095 init_lcore_rx_queues(void)
1097 uint16_t i, nb_rx_queue;
1100 for (i = 0; i < nb_lcore_params; ++i) {
1101 lcore = lcore_params[i].lcore_id;
1102 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1103 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1104 printf("error: too many queues (%u) for lcore: %u\n",
1105 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1108 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1109 lcore_params[i].port_id;
1110 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1111 lcore_params[i].queue_id;
1112 lcore_conf[lcore].n_rx_queue++;
1120 print_usage(const char *prgname)
1122 printf ("%s [EAL options] -- -p PORTMASK -P"
1123 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1124 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1125 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1126 " -P : enable promiscuous mode\n"
1127 " --config (port,queue,lcore): rx queues configuration\n"
1128 " --no-numa: optional, disable numa awareness\n"
1129 " --enable-jumbo: enable jumbo frame"
1130 " which max packet len is PKTLEN in decimal (64-9600)\n"
1131 " --parse-ptype: parse packet type by software\n",
1135 static int parse_max_pkt_len(const char *pktlen)
1140 /* parse decimal string */
1141 len = strtoul(pktlen, &end, 10);
1142 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1152 parse_portmask(const char *portmask)
1157 /* parse hexadecimal string */
1158 pm = strtoul(portmask, &end, 16);
1159 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1169 parse_config(const char *q_arg)
1172 const char *p, *p0 = q_arg;
1180 unsigned long int_fld[_NUM_FLD];
1181 char *str_fld[_NUM_FLD];
1185 nb_lcore_params = 0;
1187 while ((p = strchr(p0,'(')) != NULL) {
1189 if((p0 = strchr(p,')')) == NULL)
1193 if(size >= sizeof(s))
1196 snprintf(s, sizeof(s), "%.*s", size, p);
1197 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1200 for (i = 0; i < _NUM_FLD; i++){
1202 int_fld[i] = strtoul(str_fld[i], &end, 0);
1203 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1207 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1208 printf("exceeded max number of lcore params: %hu\n",
1212 lcore_params_array[nb_lcore_params].port_id =
1213 (uint8_t)int_fld[FLD_PORT];
1214 lcore_params_array[nb_lcore_params].queue_id =
1215 (uint8_t)int_fld[FLD_QUEUE];
1216 lcore_params_array[nb_lcore_params].lcore_id =
1217 (uint8_t)int_fld[FLD_LCORE];
1220 lcore_params = lcore_params_array;
1225 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1227 /* Parse the argument given in the command line of the application */
1229 parse_args(int argc, char **argv)
1234 char *prgname = argv[0];
1235 static struct option lgopts[] = {
1236 {"config", 1, 0, 0},
1237 {"no-numa", 0, 0, 0},
1238 {"enable-jumbo", 0, 0, 0},
1239 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1245 while ((opt = getopt_long(argc, argvopt, "p:P",
1246 lgopts, &option_index)) != EOF) {
1251 enabled_port_mask = parse_portmask(optarg);
1252 if (enabled_port_mask == 0) {
1253 printf("invalid portmask\n");
1254 print_usage(prgname);
1259 printf("Promiscuous mode selected\n");
1265 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1266 ret = parse_config(optarg);
1268 printf("invalid config\n");
1269 print_usage(prgname);
1274 if (!strncmp(lgopts[option_index].name,
1276 printf("numa is disabled \n");
1280 if (!strncmp(lgopts[option_index].name,
1281 "enable-jumbo", 12)) {
1282 struct option lenopts =
1283 {"max-pkt-len", required_argument, \
1286 printf("jumbo frame is enabled \n");
1287 port_conf.rxmode.offloads |=
1288 DEV_RX_OFFLOAD_JUMBO_FRAME;
1289 port_conf.txmode.offloads |=
1290 DEV_TX_OFFLOAD_MULTI_SEGS;
1293 * if no max-pkt-len set, use the default value
1296 if (0 == getopt_long(argc, argvopt, "",
1297 &lenopts, &option_index)) {
1298 ret = parse_max_pkt_len(optarg);
1300 (ret > MAX_JUMBO_PKT_LEN)){
1301 printf("invalid packet "
1303 print_usage(prgname);
1306 port_conf.rxmode.max_rx_pkt_len = ret;
1308 printf("set jumbo frame "
1309 "max packet length to %u\n",
1310 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1313 if (!strncmp(lgopts[option_index].name,
1314 CMD_LINE_OPT_PARSE_PTYPE,
1315 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1316 printf("soft parse-ptype is enabled\n");
1323 print_usage(prgname);
1329 argv[optind-1] = prgname;
1332 optind = 1; /* reset getopt lib */
1337 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1339 char buf[ETHER_ADDR_FMT_SIZE];
1340 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1341 printf("%s%s", name, buf);
1344 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1346 setup_hash(int socketid)
1348 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1350 .entries = L3FWD_HASH_ENTRIES,
1351 .key_len = sizeof(struct ipv4_5tuple),
1352 .hash_func = DEFAULT_HASH_FUNC,
1353 .hash_func_init_val = 0,
1356 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1358 .entries = L3FWD_HASH_ENTRIES,
1359 .key_len = sizeof(struct ipv6_5tuple),
1360 .hash_func = DEFAULT_HASH_FUNC,
1361 .hash_func_init_val = 0,
1368 /* create ipv4 hash */
1369 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1370 ipv4_l3fwd_hash_params.name = s;
1371 ipv4_l3fwd_hash_params.socket_id = socketid;
1372 ipv4_l3fwd_lookup_struct[socketid] =
1373 rte_hash_create(&ipv4_l3fwd_hash_params);
1374 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1375 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1376 "socket %d\n", socketid);
1378 /* create ipv6 hash */
1379 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1380 ipv6_l3fwd_hash_params.name = s;
1381 ipv6_l3fwd_hash_params.socket_id = socketid;
1382 ipv6_l3fwd_lookup_struct[socketid] =
1383 rte_hash_create(&ipv6_l3fwd_hash_params);
1384 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1385 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1386 "socket %d\n", socketid);
1389 /* populate the ipv4 hash */
1390 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1391 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1392 (void *) &ipv4_l3fwd_route_array[i].key);
1394 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1395 "l3fwd hash on socket %d\n", i, socketid);
1397 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1398 printf("Hash: Adding key\n");
1399 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1402 /* populate the ipv6 hash */
1403 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1404 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1405 (void *) &ipv6_l3fwd_route_array[i].key);
1407 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1408 "l3fwd hash on socket %d\n", i, socketid);
1410 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1411 printf("Hash: Adding key\n");
1412 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1417 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1419 setup_lpm(int socketid)
1425 /* create the LPM table */
1426 struct rte_lpm_config lpm_ipv4_config;
1428 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1429 lpm_ipv4_config.number_tbl8s = 256;
1430 lpm_ipv4_config.flags = 0;
1432 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1433 ipv4_l3fwd_lookup_struct[socketid] =
1434 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1435 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1436 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1437 " on socket %d\n", socketid);
1439 /* populate the LPM table */
1440 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1441 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1442 ipv4_l3fwd_route_array[i].ip,
1443 ipv4_l3fwd_route_array[i].depth,
1444 ipv4_l3fwd_route_array[i].if_out);
1447 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1448 "l3fwd LPM table on socket %d\n",
1452 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1453 (unsigned)ipv4_l3fwd_route_array[i].ip,
1454 ipv4_l3fwd_route_array[i].depth,
1455 ipv4_l3fwd_route_array[i].if_out);
1461 init_mem(unsigned nb_mbuf)
1463 struct lcore_conf *qconf;
1468 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1469 if (rte_lcore_is_enabled(lcore_id) == 0)
1473 socketid = rte_lcore_to_socket_id(lcore_id);
1477 if (socketid >= NB_SOCKETS) {
1478 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1479 "out of range %d\n", socketid,
1480 lcore_id, NB_SOCKETS);
1482 if (pktmbuf_pool[socketid] == NULL) {
1483 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1484 pktmbuf_pool[socketid] =
1485 rte_pktmbuf_pool_create(s, nb_mbuf,
1486 MEMPOOL_CACHE_SIZE, 0,
1487 RTE_MBUF_DEFAULT_BUF_SIZE,
1489 if (pktmbuf_pool[socketid] == NULL)
1490 rte_exit(EXIT_FAILURE,
1491 "Cannot init mbuf pool on socket %d\n",
1494 printf("Allocated mbuf pool on socket %d\n",
1497 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1498 setup_lpm(socketid);
1500 setup_hash(socketid);
1503 qconf = &lcore_conf[lcore_id];
1504 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1506 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1512 /* Check the link status of all ports in up to 9s, and print them finally */
1514 check_all_ports_link_status(uint32_t port_mask)
1516 #define CHECK_INTERVAL 100 /* 100ms */
1517 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1518 uint8_t count, all_ports_up, print_flag = 0;
1520 struct rte_eth_link link;
1522 printf("\nChecking link status");
1524 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1526 RTE_ETH_FOREACH_DEV(portid) {
1527 if ((port_mask & (1 << portid)) == 0)
1529 memset(&link, 0, sizeof(link));
1530 rte_eth_link_get_nowait(portid, &link);
1531 /* print link status if flag set */
1532 if (print_flag == 1) {
1533 if (link.link_status)
1534 printf("Port %d Link Up - speed %u "
1535 "Mbps - %s\n", (uint8_t)portid,
1536 (unsigned)link.link_speed,
1537 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1538 ("full-duplex") : ("half-duplex\n"));
1540 printf("Port %d Link Down\n",
1544 /* clear all_ports_up flag if any link down */
1545 if (link.link_status == ETH_LINK_DOWN) {
1550 /* after finally printing all link status, get out */
1551 if (print_flag == 1)
1554 if (all_ports_up == 0) {
1557 rte_delay_ms(CHECK_INTERVAL);
1560 /* set the print_flag if all ports up or timeout */
1561 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1568 static int check_ptype(uint16_t portid)
1571 int ptype_l3_ipv4 = 0;
1572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1573 int ptype_l3_ipv6 = 0;
1575 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1577 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1581 uint32_t ptypes[ret];
1583 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1584 for (i = 0; i < ret; ++i) {
1585 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1587 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1588 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1593 if (ptype_l3_ipv4 == 0)
1594 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1596 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1597 if (ptype_l3_ipv6 == 0)
1598 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1601 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1603 #else /* APP_LOOKUP_EXACT_MATCH */
1604 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1613 main(int argc, char **argv)
1615 struct lcore_conf *qconf;
1616 struct rte_eth_dev_info dev_info;
1617 struct rte_eth_txconf *txconf;
1623 uint32_t n_tx_queue, nb_lcores;
1624 uint32_t dev_rxq_num, dev_txq_num;
1625 uint8_t nb_rx_queue, queue, socketid;
1628 /* catch SIGINT and restore cpufreq governor to ondemand */
1629 signal(SIGINT, signal_exit_now);
1632 ret = rte_eal_init(argc, argv);
1634 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1638 /* init RTE timer library to be used late */
1639 rte_timer_subsystem_init();
1641 /* parse application arguments (after the EAL ones) */
1642 ret = parse_args(argc, argv);
1644 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1646 if (check_lcore_params() < 0)
1647 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1649 ret = init_lcore_rx_queues();
1651 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1653 nb_ports = rte_eth_dev_count_avail();
1655 if (check_port_config() < 0)
1656 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1658 nb_lcores = rte_lcore_count();
1660 /* initialize all ports */
1661 RTE_ETH_FOREACH_DEV(portid) {
1662 struct rte_eth_conf local_port_conf = port_conf;
1664 /* skip ports that are not enabled */
1665 if ((enabled_port_mask & (1 << portid)) == 0) {
1666 printf("\nSkipping disabled port %d\n", portid);
1671 printf("Initializing port %d ... ", portid );
1674 rte_eth_dev_info_get(portid, &dev_info);
1675 dev_rxq_num = dev_info.max_rx_queues;
1676 dev_txq_num = dev_info.max_tx_queues;
1678 nb_rx_queue = get_port_n_rx_queues(portid);
1679 if (nb_rx_queue > dev_rxq_num)
1680 rte_exit(EXIT_FAILURE,
1681 "Cannot configure not existed rxq: "
1682 "port=%d\n", portid);
1684 n_tx_queue = nb_lcores;
1685 if (n_tx_queue > dev_txq_num)
1686 n_tx_queue = dev_txq_num;
1687 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1688 nb_rx_queue, (unsigned)n_tx_queue );
1689 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1690 if (nb_rx_queue == 0)
1691 local_port_conf.intr_conf.rxq = 0;
1692 rte_eth_dev_info_get(portid, &dev_info);
1693 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1694 local_port_conf.txmode.offloads |=
1695 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1696 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1697 (uint16_t)n_tx_queue, &local_port_conf);
1699 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1700 "err=%d, port=%d\n", ret, portid);
1702 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1705 rte_exit(EXIT_FAILURE,
1706 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1709 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1710 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1714 ret = init_mem(NB_MBUF);
1716 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1718 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1719 if (rte_lcore_is_enabled(lcore_id) == 0)
1722 /* Initialize TX buffers */
1723 qconf = &lcore_conf[lcore_id];
1724 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1725 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1726 rte_eth_dev_socket_id(portid));
1727 if (qconf->tx_buffer[portid] == NULL)
1728 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1731 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1734 /* init one TX queue per couple (lcore,port) */
1736 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1737 if (rte_lcore_is_enabled(lcore_id) == 0)
1740 if (queueid >= dev_txq_num)
1745 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1749 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1752 txconf = &dev_info.default_txconf;
1753 txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
1754 txconf->offloads = local_port_conf.txmode.offloads;
1755 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1758 rte_exit(EXIT_FAILURE,
1759 "rte_eth_tx_queue_setup: err=%d, "
1760 "port=%d\n", ret, portid);
1762 qconf = &lcore_conf[lcore_id];
1763 qconf->tx_queue_id[portid] = queueid;
1766 qconf->tx_port_id[qconf->n_tx_port] = portid;
1772 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1773 if (rte_lcore_is_enabled(lcore_id) == 0)
1776 /* init power management library */
1777 ret = rte_power_init(lcore_id);
1780 "Library initialization failed on core %u\n", lcore_id);
1782 /* init timer structures for each enabled lcore */
1783 rte_timer_init(&power_timers[lcore_id]);
1784 hz = rte_get_timer_hz();
1785 rte_timer_reset(&power_timers[lcore_id],
1786 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1787 power_timer_cb, NULL);
1789 qconf = &lcore_conf[lcore_id];
1790 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1792 /* init RX queues */
1793 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1794 struct rte_eth_rxconf rxq_conf;
1795 struct rte_eth_dev *dev;
1796 struct rte_eth_conf *conf;
1798 portid = qconf->rx_queue_list[queue].port_id;
1799 queueid = qconf->rx_queue_list[queue].queue_id;
1800 dev = &rte_eth_devices[portid];
1801 conf = &dev->data->dev_conf;
1805 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1809 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1812 rte_eth_dev_info_get(portid, &dev_info);
1813 rxq_conf = dev_info.default_rxconf;
1814 rxq_conf.offloads = conf->rxmode.offloads;
1815 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1816 socketid, &rxq_conf,
1817 pktmbuf_pool[socketid]);
1819 rte_exit(EXIT_FAILURE,
1820 "rte_eth_rx_queue_setup: err=%d, "
1821 "port=%d\n", ret, portid);
1824 if (add_cb_parse_ptype(portid, queueid) < 0)
1825 rte_exit(EXIT_FAILURE,
1826 "Fail to add ptype cb\n");
1827 } else if (!check_ptype(portid))
1828 rte_exit(EXIT_FAILURE,
1829 "PMD can not provide needed ptypes\n");
1836 RTE_ETH_FOREACH_DEV(portid) {
1837 if ((enabled_port_mask & (1 << portid)) == 0) {
1841 ret = rte_eth_dev_start(portid);
1843 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1844 "port=%d\n", ret, portid);
1846 * If enabled, put device in promiscuous mode.
1847 * This allows IO forwarding mode to forward packets
1848 * to itself through 2 cross-connected ports of the
1852 rte_eth_promiscuous_enable(portid);
1853 /* initialize spinlock for each port */
1854 rte_spinlock_init(&(locks[portid]));
1857 check_all_ports_link_status(enabled_port_mask);
1859 /* launch per-lcore init on every lcore */
1860 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1861 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1862 if (rte_eal_wait_lcore(lcore_id) < 0)