1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 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 #include "perf_core.h"
50 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
52 #define MAX_PKT_BURST 32
54 #define MIN_ZERO_POLL_COUNT 10
57 #define TIMER_NUMBER_PER_SECOND 10
59 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
60 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
62 #define APP_LOOKUP_EXACT_MATCH 0
63 #define APP_LOOKUP_LPM 1
64 #define DO_RFC_1812_CHECKS
66 #ifndef APP_LOOKUP_METHOD
67 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
70 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
72 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
75 #error "APP_LOOKUP_METHOD set to incorrect value"
79 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
80 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
81 #define IPv6_BYTES(addr) \
82 addr[0], addr[1], addr[2], addr[3], \
83 addr[4], addr[5], addr[6], addr[7], \
84 addr[8], addr[9], addr[10], addr[11],\
85 addr[12], addr[13],addr[14], addr[15]
88 #define MAX_JUMBO_PKT_LEN 9600
90 #define IPV6_ADDR_LEN 16
92 #define MEMPOOL_CACHE_SIZE 256
95 * This expression is used to calculate the number of mbufs needed depending on
96 * user input, taking into account memory for rx and tx hardware rings, cache
97 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
98 * NB_MBUF never goes below a minimum value of 8192.
101 #define NB_MBUF RTE_MAX ( \
102 (nb_ports*nb_rx_queue*nb_rxd + \
103 nb_ports*nb_lcores*MAX_PKT_BURST + \
104 nb_ports*n_tx_queue*nb_txd + \
105 nb_lcores*MEMPOOL_CACHE_SIZE), \
108 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
112 /* Configure how many packets ahead to prefetch, when reading packets */
113 #define PREFETCH_OFFSET 3
116 * Configurable number of RX/TX ring descriptors
118 #define RTE_TEST_RX_DESC_DEFAULT 1024
119 #define RTE_TEST_TX_DESC_DEFAULT 1024
120 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
121 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
123 /* ethernet addresses of ports */
124 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
126 /* ethernet addresses of ports */
127 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
129 /* mask of enabled ports */
130 static uint32_t enabled_port_mask = 0;
131 /* Ports set in promiscuous mode off by default. */
132 static int promiscuous_on = 0;
133 /* NUMA is enabled by default. */
134 static int numa_on = 1;
135 static int parse_ptype; /**< Parse packet type using rx callback, and */
136 /**< disabled by default */
138 enum freq_scale_hint_t
146 struct lcore_rx_queue {
149 enum freq_scale_hint_t freq_up_hint;
150 uint32_t zero_rx_packet_count;
152 } __rte_cache_aligned;
154 #define MAX_RX_QUEUE_PER_LCORE 16
155 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
156 #define MAX_RX_QUEUE_PER_PORT 128
158 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
161 struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
162 static struct lcore_params lcore_params_array_default[] = {
174 struct lcore_params *lcore_params = lcore_params_array_default;
175 uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
176 sizeof(lcore_params_array_default[0]);
178 static struct rte_eth_conf port_conf = {
180 .mq_mode = ETH_MQ_RX_RSS,
181 .max_rx_pkt_len = ETHER_MAX_LEN,
183 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
188 .rss_hf = ETH_RSS_UDP,
192 .mq_mode = ETH_MQ_TX_NONE,
199 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
202 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
205 #include <rte_hash_crc.h>
206 #define DEFAULT_HASH_FUNC rte_hash_crc
208 #include <rte_jhash.h>
209 #define DEFAULT_HASH_FUNC rte_jhash
218 } __attribute__((__packed__));
221 uint8_t ip_dst[IPV6_ADDR_LEN];
222 uint8_t ip_src[IPV6_ADDR_LEN];
226 } __attribute__((__packed__));
228 struct ipv4_l3fwd_route {
229 struct ipv4_5tuple key;
233 struct ipv6_l3fwd_route {
234 struct ipv6_5tuple key;
238 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
239 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
240 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
241 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
242 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
245 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
248 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
249 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
250 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
251 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
257 typedef struct rte_hash lookup_struct_t;
258 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
259 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
261 #define L3FWD_HASH_ENTRIES 1024
263 #define IPV4_L3FWD_NUM_ROUTES \
264 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
266 #define IPV6_L3FWD_NUM_ROUTES \
267 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
269 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
270 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
273 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
274 struct ipv4_l3fwd_route {
280 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
281 {IPv4(1,1,1,0), 24, 0},
282 {IPv4(2,1,1,0), 24, 1},
283 {IPv4(3,1,1,0), 24, 2},
284 {IPv4(4,1,1,0), 24, 3},
285 {IPv4(5,1,1,0), 24, 4},
286 {IPv4(6,1,1,0), 24, 5},
287 {IPv4(7,1,1,0), 24, 6},
288 {IPv4(8,1,1,0), 24, 7},
291 #define IPV4_L3FWD_NUM_ROUTES \
292 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
294 #define IPV4_L3FWD_LPM_MAX_RULES 1024
296 typedef struct rte_lpm lookup_struct_t;
297 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
302 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
304 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
305 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
306 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
307 lookup_struct_t * ipv4_lookup_struct;
308 lookup_struct_t * ipv6_lookup_struct;
309 } __rte_cache_aligned;
312 /* total sleep time in ms since last frequency scaling down */
314 /* number of long sleep recently */
315 uint32_t nb_long_sleep;
316 /* freq. scaling up trend */
318 /* total packet processed recently */
319 uint64_t nb_rx_processed;
320 /* total iterations looped recently */
321 uint64_t nb_iteration_looped;
323 } __rte_cache_aligned;
325 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
326 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
327 static struct rte_timer power_timers[RTE_MAX_LCORE];
329 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
330 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
331 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
333 /* exit signal handler */
335 signal_exit_now(int sigtype)
341 if (sigtype == SIGINT) {
342 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
343 if (rte_lcore_is_enabled(lcore_id) == 0)
346 /* init power management library */
347 ret = rte_power_exit(lcore_id);
349 rte_exit(EXIT_FAILURE, "Power management "
350 "library de-initialization failed on "
351 "core%u\n", lcore_id);
354 RTE_ETH_FOREACH_DEV(portid) {
355 if ((enabled_port_mask & (1 << portid)) == 0)
358 rte_eth_dev_stop(portid);
359 rte_eth_dev_close(portid);
363 rte_exit(EXIT_SUCCESS, "User forced exit\n");
366 /* Freqency scale down timer callback */
368 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
369 __attribute__((unused)) void *arg)
372 float sleep_time_ratio;
373 unsigned lcore_id = rte_lcore_id();
375 /* accumulate total execution time in us when callback is invoked */
376 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
377 (float)SCALING_PERIOD;
379 * check whether need to scale down frequency a step if it sleep a lot.
381 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
382 if (rte_power_freq_down)
383 rte_power_freq_down(lcore_id);
385 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
386 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
388 * scale down a step if average packet per iteration less
391 if (rte_power_freq_down)
392 rte_power_freq_down(lcore_id);
396 * initialize another timer according to current frequency to ensure
397 * timer interval is relatively fixed.
399 hz = rte_get_timer_hz();
400 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
401 SINGLE, lcore_id, power_timer_cb, NULL);
403 stats[lcore_id].nb_rx_processed = 0;
404 stats[lcore_id].nb_iteration_looped = 0;
406 stats[lcore_id].sleep_time = 0;
409 /* Enqueue a single packet, and send burst if queue is filled */
411 send_single_packet(struct rte_mbuf *m, uint16_t port)
414 struct lcore_conf *qconf;
416 lcore_id = rte_lcore_id();
417 qconf = &lcore_conf[lcore_id];
419 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
420 qconf->tx_buffer[port], m);
425 #ifdef DO_RFC_1812_CHECKS
427 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
429 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
431 * 1. The packet length reported by the Link Layer must be large
432 * enough to hold the minimum length legal IP datagram (20 bytes).
434 if (link_len < sizeof(struct ipv4_hdr))
437 /* 2. The IP checksum must be correct. */
438 /* this is checked in H/W */
441 * 3. The IP version number must be 4. If the version number is not 4
442 * then the packet may be another version of IP, such as IPng or
445 if (((pkt->version_ihl) >> 4) != 4)
448 * 4. The IP header length field must be large enough to hold the
449 * minimum length legal IP datagram (20 bytes = 5 words).
451 if ((pkt->version_ihl & 0xf) < 5)
455 * 5. The IP total length field must be large enough to hold the IP
456 * datagram header, whose length is specified in the IP header length
459 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
466 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
468 print_ipv4_key(struct ipv4_5tuple key)
470 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
471 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
472 key.port_dst, key.port_src, key.proto);
475 print_ipv6_key(struct ipv6_5tuple key)
477 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
478 "port dst = %d, port src = %d, proto = %d\n",
479 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
480 key.port_dst, key.port_src, key.proto);
483 static inline uint16_t
484 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
485 lookup_struct_t * ipv4_l3fwd_lookup_struct)
487 struct ipv4_5tuple key;
492 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
493 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
494 key.proto = ipv4_hdr->next_proto_id;
496 switch (ipv4_hdr->next_proto_id) {
498 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
499 sizeof(struct ipv4_hdr));
500 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
501 key.port_src = rte_be_to_cpu_16(tcp->src_port);
505 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
506 sizeof(struct ipv4_hdr));
507 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
508 key.port_src = rte_be_to_cpu_16(udp->src_port);
517 /* Find destination port */
518 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
519 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
522 static inline uint16_t
523 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
524 lookup_struct_t *ipv6_l3fwd_lookup_struct)
526 struct ipv6_5tuple key;
531 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
532 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
534 key.proto = ipv6_hdr->proto;
536 switch (ipv6_hdr->proto) {
538 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
539 sizeof(struct ipv6_hdr));
540 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
541 key.port_src = rte_be_to_cpu_16(tcp->src_port);
545 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
546 sizeof(struct ipv6_hdr));
547 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
548 key.port_src = rte_be_to_cpu_16(udp->src_port);
557 /* Find destination port */
558 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
559 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
563 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
564 static inline uint16_t
565 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
566 lookup_struct_t *ipv4_l3fwd_lookup_struct)
570 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
571 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
577 parse_ptype_one(struct rte_mbuf *m)
579 struct ether_hdr *eth_hdr;
580 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
583 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
584 ether_type = eth_hdr->ether_type;
585 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
586 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
587 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
588 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
590 m->packet_type = packet_type;
594 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
595 struct rte_mbuf *pkts[], uint16_t nb_pkts,
596 uint16_t max_pkts __rte_unused,
597 void *user_param __rte_unused)
601 for (i = 0; i < nb_pkts; ++i)
602 parse_ptype_one(pkts[i]);
608 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
610 printf("Port %d: softly parse packet type info\n", portid);
611 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
614 printf("Failed to add rx callback: port=%d\n", portid);
619 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
620 struct lcore_conf *qconf)
622 struct ether_hdr *eth_hdr;
623 struct ipv4_hdr *ipv4_hdr;
627 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
629 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
630 /* Handle IPv4 headers.*/
632 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
633 sizeof(struct ether_hdr));
635 #ifdef DO_RFC_1812_CHECKS
636 /* Check to make sure the packet is valid (RFC1812) */
637 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
643 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
644 qconf->ipv4_lookup_struct);
645 if (dst_port >= RTE_MAX_ETHPORTS ||
646 (enabled_port_mask & 1 << dst_port) == 0)
649 /* 02:00:00:00:00:xx */
650 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
651 *((uint64_t *)d_addr_bytes) =
652 0x000000000002 + ((uint64_t)dst_port << 40);
654 #ifdef DO_RFC_1812_CHECKS
655 /* Update time to live and header checksum */
656 --(ipv4_hdr->time_to_live);
657 ++(ipv4_hdr->hdr_checksum);
661 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
663 send_single_packet(m, dst_port);
664 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
665 /* Handle IPv6 headers.*/
666 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
667 struct ipv6_hdr *ipv6_hdr;
670 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
671 sizeof(struct ether_hdr));
673 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
674 qconf->ipv6_lookup_struct);
676 if (dst_port >= RTE_MAX_ETHPORTS ||
677 (enabled_port_mask & 1 << dst_port) == 0)
680 /* 02:00:00:00:00:xx */
681 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
682 *((uint64_t *)d_addr_bytes) =
683 0x000000000002 + ((uint64_t)dst_port << 40);
686 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
688 send_single_packet(m, dst_port);
690 /* We don't currently handle IPv6 packets in LPM mode. */
698 #define MINIMUM_SLEEP_TIME 1
699 #define SUSPEND_THRESHOLD 300
701 static inline uint32_t
702 power_idle_heuristic(uint32_t zero_rx_packet_count)
704 /* If zero count is less than 100, sleep 1us */
705 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
706 return MINIMUM_SLEEP_TIME;
707 /* If zero count is less than 1000, sleep 100 us which is the
708 minimum latency switching from C3/C6 to C0
711 return SUSPEND_THRESHOLD;
714 static inline enum freq_scale_hint_t
715 power_freq_scaleup_heuristic(unsigned lcore_id,
719 uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
721 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
724 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
725 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
726 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
727 #define FREQ_UP_TREND1_ACC 1
728 #define FREQ_UP_TREND2_ACC 100
729 #define FREQ_UP_THRESHOLD 10000
731 if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
732 stats[lcore_id].trend = 0;
734 } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
735 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
736 else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
737 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
739 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
740 stats[lcore_id].trend = 0;
748 * force polling thread sleep until one-shot rx interrupt triggers
757 sleep_until_rx_interrupt(int num)
759 struct rte_epoll_event event[num];
765 RTE_LOG(INFO, L3FWD_POWER,
766 "lcore %u sleeps until interrupt triggers\n",
769 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
770 for (i = 0; i < n; i++) {
771 data = event[i].epdata.data;
772 port_id = ((uintptr_t)data) >> CHAR_BIT;
773 queue_id = ((uintptr_t)data) &
774 RTE_LEN2MASK(CHAR_BIT, uint8_t);
775 rte_eth_dev_rx_intr_disable(port_id, queue_id);
776 RTE_LOG(INFO, L3FWD_POWER,
777 "lcore %u is waked up from rx interrupt on"
778 " port %d queue %d\n",
779 rte_lcore_id(), port_id, queue_id);
785 static void turn_on_intr(struct lcore_conf *qconf)
788 struct lcore_rx_queue *rx_queue;
792 for (i = 0; i < qconf->n_rx_queue; ++i) {
793 rx_queue = &(qconf->rx_queue_list[i]);
794 port_id = rx_queue->port_id;
795 queue_id = rx_queue->queue_id;
797 rte_spinlock_lock(&(locks[port_id]));
798 rte_eth_dev_rx_intr_enable(port_id, queue_id);
799 rte_spinlock_unlock(&(locks[port_id]));
803 static int event_register(struct lcore_conf *qconf)
805 struct lcore_rx_queue *rx_queue;
812 for (i = 0; i < qconf->n_rx_queue; ++i) {
813 rx_queue = &(qconf->rx_queue_list[i]);
814 portid = rx_queue->port_id;
815 queueid = rx_queue->queue_id;
816 data = portid << CHAR_BIT | queueid;
818 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
819 RTE_EPOLL_PER_THREAD,
821 (void *)((uintptr_t)data));
829 /* main processing loop */
831 main_loop(__attribute__((unused)) void *dummy)
833 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
835 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
836 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
840 struct lcore_conf *qconf;
841 struct lcore_rx_queue *rx_queue;
842 enum freq_scale_hint_t lcore_scaleup_hint;
843 uint32_t lcore_rx_idle_count = 0;
844 uint32_t lcore_idle_hint = 0;
847 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
850 hz = rte_get_timer_hz();
851 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
853 lcore_id = rte_lcore_id();
854 qconf = &lcore_conf[lcore_id];
856 if (qconf->n_rx_queue == 0) {
857 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
861 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
863 for (i = 0; i < qconf->n_rx_queue; i++) {
864 portid = qconf->rx_queue_list[i].port_id;
865 queueid = qconf->rx_queue_list[i].queue_id;
866 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
867 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
870 /* add into event wait list */
871 if (event_register(qconf) == 0)
874 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
877 stats[lcore_id].nb_iteration_looped++;
879 cur_tsc = rte_rdtsc();
880 cur_tsc_power = cur_tsc;
883 * TX burst queue drain
885 diff_tsc = cur_tsc - prev_tsc;
886 if (unlikely(diff_tsc > drain_tsc)) {
887 for (i = 0; i < qconf->n_tx_port; ++i) {
888 portid = qconf->tx_port_id[i];
889 rte_eth_tx_buffer_flush(portid,
890 qconf->tx_queue_id[portid],
891 qconf->tx_buffer[portid]);
896 diff_tsc_power = cur_tsc_power - prev_tsc_power;
897 if (diff_tsc_power > tim_res_tsc) {
899 prev_tsc_power = cur_tsc_power;
904 * Read packet from RX queues
906 lcore_scaleup_hint = FREQ_CURRENT;
907 lcore_rx_idle_count = 0;
908 for (i = 0; i < qconf->n_rx_queue; ++i) {
909 rx_queue = &(qconf->rx_queue_list[i]);
910 rx_queue->idle_hint = 0;
911 portid = rx_queue->port_id;
912 queueid = rx_queue->queue_id;
914 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
917 stats[lcore_id].nb_rx_processed += nb_rx;
918 if (unlikely(nb_rx == 0)) {
920 * no packet received from rx queue, try to
921 * sleep for a while forcing CPU enter deeper
924 rx_queue->zero_rx_packet_count++;
926 if (rx_queue->zero_rx_packet_count <=
930 rx_queue->idle_hint = power_idle_heuristic(\
931 rx_queue->zero_rx_packet_count);
932 lcore_rx_idle_count++;
934 rx_queue->zero_rx_packet_count = 0;
937 * do not scale up frequency immediately as
938 * user to kernel space communication is costly
939 * which might impact packet I/O for received
942 rx_queue->freq_up_hint =
943 power_freq_scaleup_heuristic(lcore_id,
947 /* Prefetch first packets */
948 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
949 rte_prefetch0(rte_pktmbuf_mtod(
950 pkts_burst[j], void *));
953 /* Prefetch and forward already prefetched packets */
954 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
955 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
956 j + PREFETCH_OFFSET], void *));
957 l3fwd_simple_forward(pkts_burst[j], portid,
961 /* Forward remaining prefetched packets */
962 for (; j < nb_rx; j++) {
963 l3fwd_simple_forward(pkts_burst[j], portid,
968 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
969 for (i = 1, lcore_scaleup_hint =
970 qconf->rx_queue_list[0].freq_up_hint;
971 i < qconf->n_rx_queue; ++i) {
972 rx_queue = &(qconf->rx_queue_list[i]);
973 if (rx_queue->freq_up_hint >
976 rx_queue->freq_up_hint;
979 if (lcore_scaleup_hint == FREQ_HIGHEST) {
980 if (rte_power_freq_max)
981 rte_power_freq_max(lcore_id);
982 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
983 if (rte_power_freq_up)
984 rte_power_freq_up(lcore_id);
988 * All Rx queues empty in recent consecutive polls,
989 * sleep in a conservative manner, meaning sleep as
992 for (i = 1, lcore_idle_hint =
993 qconf->rx_queue_list[0].idle_hint;
994 i < qconf->n_rx_queue; ++i) {
995 rx_queue = &(qconf->rx_queue_list[i]);
996 if (rx_queue->idle_hint < lcore_idle_hint)
997 lcore_idle_hint = rx_queue->idle_hint;
1000 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1002 * execute "pause" instruction to avoid context
1003 * switch which generally take hundred of
1004 * microseconds for short sleep.
1006 rte_delay_us(lcore_idle_hint);
1008 /* suspend until rx interrupt trigges */
1010 turn_on_intr(qconf);
1011 sleep_until_rx_interrupt(
1014 * start receiving packets immediately
1019 stats[lcore_id].sleep_time += lcore_idle_hint;
1025 check_lcore_params(void)
1027 uint8_t queue, lcore;
1031 for (i = 0; i < nb_lcore_params; ++i) {
1032 queue = lcore_params[i].queue_id;
1033 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1034 printf("invalid queue number: %hhu\n", queue);
1037 lcore = lcore_params[i].lcore_id;
1038 if (!rte_lcore_is_enabled(lcore)) {
1039 printf("error: lcore %hhu is not enabled in lcore "
1043 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1045 printf("warning: lcore %hhu is on socket %d with numa "
1046 "off\n", lcore, socketid);
1053 check_port_config(void)
1058 for (i = 0; i < nb_lcore_params; ++i) {
1059 portid = lcore_params[i].port_id;
1060 if ((enabled_port_mask & (1 << portid)) == 0) {
1061 printf("port %u is not enabled in port mask\n",
1065 if (!rte_eth_dev_is_valid_port(portid)) {
1066 printf("port %u is not present on the board\n",
1075 get_port_n_rx_queues(const uint16_t port)
1080 for (i = 0; i < nb_lcore_params; ++i) {
1081 if (lcore_params[i].port_id == port &&
1082 lcore_params[i].queue_id > queue)
1083 queue = lcore_params[i].queue_id;
1085 return (uint8_t)(++queue);
1089 init_lcore_rx_queues(void)
1091 uint16_t i, nb_rx_queue;
1094 for (i = 0; i < nb_lcore_params; ++i) {
1095 lcore = lcore_params[i].lcore_id;
1096 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1097 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1098 printf("error: too many queues (%u) for lcore: %u\n",
1099 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1102 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1103 lcore_params[i].port_id;
1104 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1105 lcore_params[i].queue_id;
1106 lcore_conf[lcore].n_rx_queue++;
1114 print_usage(const char *prgname)
1116 printf ("%s [EAL options] -- -p PORTMASK -P"
1117 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1118 " [--high-perf-cores CORELIST"
1119 " [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]"
1120 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1121 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1122 " -P : enable promiscuous mode\n"
1123 " --config (port,queue,lcore): rx queues configuration\n"
1124 " --high-perf-cores CORELIST: list of high performance cores\n"
1125 " --perf-config: similar as config, cores specified as indices"
1126 " for bins containing high or regular performance cores\n"
1127 " --no-numa: optional, disable numa awareness\n"
1128 " --enable-jumbo: enable jumbo frame"
1129 " which max packet len is PKTLEN in decimal (64-9600)\n"
1130 " --parse-ptype: parse packet type by software\n",
1134 static int parse_max_pkt_len(const char *pktlen)
1139 /* parse decimal string */
1140 len = strtoul(pktlen, &end, 10);
1141 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1151 parse_portmask(const char *portmask)
1156 /* parse hexadecimal string */
1157 pm = strtoul(portmask, &end, 16);
1158 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1168 parse_config(const char *q_arg)
1171 const char *p, *p0 = q_arg;
1179 unsigned long int_fld[_NUM_FLD];
1180 char *str_fld[_NUM_FLD];
1184 nb_lcore_params = 0;
1186 while ((p = strchr(p0,'(')) != NULL) {
1188 if((p0 = strchr(p,')')) == NULL)
1192 if(size >= sizeof(s))
1195 snprintf(s, sizeof(s), "%.*s", size, p);
1196 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1199 for (i = 0; i < _NUM_FLD; i++){
1201 int_fld[i] = strtoul(str_fld[i], &end, 0);
1202 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1206 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1207 printf("exceeded max number of lcore params: %hu\n",
1211 lcore_params_array[nb_lcore_params].port_id =
1212 (uint8_t)int_fld[FLD_PORT];
1213 lcore_params_array[nb_lcore_params].queue_id =
1214 (uint8_t)int_fld[FLD_QUEUE];
1215 lcore_params_array[nb_lcore_params].lcore_id =
1216 (uint8_t)int_fld[FLD_LCORE];
1219 lcore_params = lcore_params_array;
1224 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1226 /* Parse the argument given in the command line of the application */
1228 parse_args(int argc, char **argv)
1233 char *prgname = argv[0];
1234 static struct option lgopts[] = {
1235 {"config", 1, 0, 0},
1236 {"perf-config", 1, 0, 0},
1237 {"high-perf-cores", 1, 0, 0},
1238 {"no-numa", 0, 0, 0},
1239 {"enable-jumbo", 0, 0, 0},
1240 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1246 while ((opt = getopt_long(argc, argvopt, "p:P",
1247 lgopts, &option_index)) != EOF) {
1252 enabled_port_mask = parse_portmask(optarg);
1253 if (enabled_port_mask == 0) {
1254 printf("invalid portmask\n");
1255 print_usage(prgname);
1260 printf("Promiscuous mode selected\n");
1266 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1267 ret = parse_config(optarg);
1269 printf("invalid config\n");
1270 print_usage(prgname);
1275 if (!strncmp(lgopts[option_index].name,
1276 "perf-config", 11)) {
1277 ret = parse_perf_config(optarg);
1279 printf("invalid perf-config\n");
1280 print_usage(prgname);
1285 if (!strncmp(lgopts[option_index].name,
1286 "high-perf-cores", 15)) {
1287 ret = parse_perf_core_list(optarg);
1289 printf("invalid high-perf-cores\n");
1290 print_usage(prgname);
1295 if (!strncmp(lgopts[option_index].name,
1297 printf("numa is disabled \n");
1301 if (!strncmp(lgopts[option_index].name,
1302 "enable-jumbo", 12)) {
1303 struct option lenopts =
1304 {"max-pkt-len", required_argument, \
1307 printf("jumbo frame is enabled \n");
1308 port_conf.rxmode.offloads |=
1309 DEV_RX_OFFLOAD_JUMBO_FRAME;
1310 port_conf.txmode.offloads |=
1311 DEV_TX_OFFLOAD_MULTI_SEGS;
1314 * if no max-pkt-len set, use the default value
1317 if (0 == getopt_long(argc, argvopt, "",
1318 &lenopts, &option_index)) {
1319 ret = parse_max_pkt_len(optarg);
1321 (ret > MAX_JUMBO_PKT_LEN)){
1322 printf("invalid packet "
1324 print_usage(prgname);
1327 port_conf.rxmode.max_rx_pkt_len = ret;
1329 printf("set jumbo frame "
1330 "max packet length to %u\n",
1331 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1334 if (!strncmp(lgopts[option_index].name,
1335 CMD_LINE_OPT_PARSE_PTYPE,
1336 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1337 printf("soft parse-ptype is enabled\n");
1344 print_usage(prgname);
1350 argv[optind-1] = prgname;
1353 optind = 1; /* reset getopt lib */
1358 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1360 char buf[ETHER_ADDR_FMT_SIZE];
1361 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1362 printf("%s%s", name, buf);
1365 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1367 setup_hash(int socketid)
1369 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1371 .entries = L3FWD_HASH_ENTRIES,
1372 .key_len = sizeof(struct ipv4_5tuple),
1373 .hash_func = DEFAULT_HASH_FUNC,
1374 .hash_func_init_val = 0,
1377 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1379 .entries = L3FWD_HASH_ENTRIES,
1380 .key_len = sizeof(struct ipv6_5tuple),
1381 .hash_func = DEFAULT_HASH_FUNC,
1382 .hash_func_init_val = 0,
1389 /* create ipv4 hash */
1390 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1391 ipv4_l3fwd_hash_params.name = s;
1392 ipv4_l3fwd_hash_params.socket_id = socketid;
1393 ipv4_l3fwd_lookup_struct[socketid] =
1394 rte_hash_create(&ipv4_l3fwd_hash_params);
1395 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1396 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1397 "socket %d\n", socketid);
1399 /* create ipv6 hash */
1400 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1401 ipv6_l3fwd_hash_params.name = s;
1402 ipv6_l3fwd_hash_params.socket_id = socketid;
1403 ipv6_l3fwd_lookup_struct[socketid] =
1404 rte_hash_create(&ipv6_l3fwd_hash_params);
1405 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1406 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1407 "socket %d\n", socketid);
1410 /* populate the ipv4 hash */
1411 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1412 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1413 (void *) &ipv4_l3fwd_route_array[i].key);
1415 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1416 "l3fwd hash on socket %d\n", i, socketid);
1418 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1419 printf("Hash: Adding key\n");
1420 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1423 /* populate the ipv6 hash */
1424 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1425 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1426 (void *) &ipv6_l3fwd_route_array[i].key);
1428 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1429 "l3fwd hash on socket %d\n", i, socketid);
1431 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1432 printf("Hash: Adding key\n");
1433 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1438 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1440 setup_lpm(int socketid)
1446 /* create the LPM table */
1447 struct rte_lpm_config lpm_ipv4_config;
1449 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1450 lpm_ipv4_config.number_tbl8s = 256;
1451 lpm_ipv4_config.flags = 0;
1453 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1454 ipv4_l3fwd_lookup_struct[socketid] =
1455 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1456 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1457 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1458 " on socket %d\n", socketid);
1460 /* populate the LPM table */
1461 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1462 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1463 ipv4_l3fwd_route_array[i].ip,
1464 ipv4_l3fwd_route_array[i].depth,
1465 ipv4_l3fwd_route_array[i].if_out);
1468 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1469 "l3fwd LPM table on socket %d\n",
1473 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1474 (unsigned)ipv4_l3fwd_route_array[i].ip,
1475 ipv4_l3fwd_route_array[i].depth,
1476 ipv4_l3fwd_route_array[i].if_out);
1482 init_mem(unsigned nb_mbuf)
1484 struct lcore_conf *qconf;
1489 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1490 if (rte_lcore_is_enabled(lcore_id) == 0)
1494 socketid = rte_lcore_to_socket_id(lcore_id);
1498 if (socketid >= NB_SOCKETS) {
1499 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1500 "out of range %d\n", socketid,
1501 lcore_id, NB_SOCKETS);
1503 if (pktmbuf_pool[socketid] == NULL) {
1504 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1505 pktmbuf_pool[socketid] =
1506 rte_pktmbuf_pool_create(s, nb_mbuf,
1507 MEMPOOL_CACHE_SIZE, 0,
1508 RTE_MBUF_DEFAULT_BUF_SIZE,
1510 if (pktmbuf_pool[socketid] == NULL)
1511 rte_exit(EXIT_FAILURE,
1512 "Cannot init mbuf pool on socket %d\n",
1515 printf("Allocated mbuf pool on socket %d\n",
1518 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1519 setup_lpm(socketid);
1521 setup_hash(socketid);
1524 qconf = &lcore_conf[lcore_id];
1525 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1526 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1527 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1533 /* Check the link status of all ports in up to 9s, and print them finally */
1535 check_all_ports_link_status(uint32_t port_mask)
1537 #define CHECK_INTERVAL 100 /* 100ms */
1538 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1539 uint8_t count, all_ports_up, print_flag = 0;
1541 struct rte_eth_link link;
1543 printf("\nChecking link status");
1545 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1547 RTE_ETH_FOREACH_DEV(portid) {
1548 if ((port_mask & (1 << portid)) == 0)
1550 memset(&link, 0, sizeof(link));
1551 rte_eth_link_get_nowait(portid, &link);
1552 /* print link status if flag set */
1553 if (print_flag == 1) {
1554 if (link.link_status)
1555 printf("Port %d Link Up - speed %u "
1556 "Mbps - %s\n", (uint8_t)portid,
1557 (unsigned)link.link_speed,
1558 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1559 ("full-duplex") : ("half-duplex\n"));
1561 printf("Port %d Link Down\n",
1565 /* clear all_ports_up flag if any link down */
1566 if (link.link_status == ETH_LINK_DOWN) {
1571 /* after finally printing all link status, get out */
1572 if (print_flag == 1)
1575 if (all_ports_up == 0) {
1578 rte_delay_ms(CHECK_INTERVAL);
1581 /* set the print_flag if all ports up or timeout */
1582 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1589 static int check_ptype(uint16_t portid)
1592 int ptype_l3_ipv4 = 0;
1593 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1594 int ptype_l3_ipv6 = 0;
1596 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1598 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1602 uint32_t ptypes[ret];
1604 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1605 for (i = 0; i < ret; ++i) {
1606 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1608 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1609 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1614 if (ptype_l3_ipv4 == 0)
1615 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1617 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1618 if (ptype_l3_ipv6 == 0)
1619 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1622 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1624 #else /* APP_LOOKUP_EXACT_MATCH */
1625 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1634 init_power_library(void)
1636 int ret = 0, lcore_id;
1637 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1638 if (rte_lcore_is_enabled(lcore_id)) {
1639 /* init power management library */
1640 ret = rte_power_init(lcore_id);
1643 "Library initialization failed on core %u\n",
1651 main(int argc, char **argv)
1653 struct lcore_conf *qconf;
1654 struct rte_eth_dev_info dev_info;
1655 struct rte_eth_txconf *txconf;
1661 uint32_t n_tx_queue, nb_lcores;
1662 uint32_t dev_rxq_num, dev_txq_num;
1663 uint8_t nb_rx_queue, queue, socketid;
1666 /* catch SIGINT and restore cpufreq governor to ondemand */
1667 signal(SIGINT, signal_exit_now);
1670 ret = rte_eal_init(argc, argv);
1672 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1676 /* init RTE timer library to be used late */
1677 rte_timer_subsystem_init();
1679 /* parse application arguments (after the EAL ones) */
1680 ret = parse_args(argc, argv);
1682 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1684 if (init_power_library())
1685 rte_exit(EXIT_FAILURE, "init_power_library failed\n");
1687 if (update_lcore_params() < 0)
1688 rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
1690 if (check_lcore_params() < 0)
1691 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1693 ret = init_lcore_rx_queues();
1695 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1697 nb_ports = rte_eth_dev_count_avail();
1699 if (check_port_config() < 0)
1700 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1702 nb_lcores = rte_lcore_count();
1704 /* initialize all ports */
1705 RTE_ETH_FOREACH_DEV(portid) {
1706 struct rte_eth_conf local_port_conf = port_conf;
1708 /* skip ports that are not enabled */
1709 if ((enabled_port_mask & (1 << portid)) == 0) {
1710 printf("\nSkipping disabled port %d\n", portid);
1715 printf("Initializing port %d ... ", portid );
1718 rte_eth_dev_info_get(portid, &dev_info);
1719 dev_rxq_num = dev_info.max_rx_queues;
1720 dev_txq_num = dev_info.max_tx_queues;
1722 nb_rx_queue = get_port_n_rx_queues(portid);
1723 if (nb_rx_queue > dev_rxq_num)
1724 rte_exit(EXIT_FAILURE,
1725 "Cannot configure not existed rxq: "
1726 "port=%d\n", portid);
1728 n_tx_queue = nb_lcores;
1729 if (n_tx_queue > dev_txq_num)
1730 n_tx_queue = dev_txq_num;
1731 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1732 nb_rx_queue, (unsigned)n_tx_queue );
1733 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1734 if (nb_rx_queue == 0)
1735 local_port_conf.intr_conf.rxq = 0;
1736 rte_eth_dev_info_get(portid, &dev_info);
1737 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1738 local_port_conf.txmode.offloads |=
1739 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1741 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1742 dev_info.flow_type_rss_offloads;
1743 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1744 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1745 printf("Port %u modified RSS hash function based on hardware support,"
1746 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1748 port_conf.rx_adv_conf.rss_conf.rss_hf,
1749 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1752 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1753 (uint16_t)n_tx_queue, &local_port_conf);
1755 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1756 "err=%d, port=%d\n", ret, portid);
1758 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1761 rte_exit(EXIT_FAILURE,
1762 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1765 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1766 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1770 ret = init_mem(NB_MBUF);
1772 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1774 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1775 if (rte_lcore_is_enabled(lcore_id) == 0)
1778 /* Initialize TX buffers */
1779 qconf = &lcore_conf[lcore_id];
1780 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1781 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1782 rte_eth_dev_socket_id(portid));
1783 if (qconf->tx_buffer[portid] == NULL)
1784 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1787 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1790 /* init one TX queue per couple (lcore,port) */
1792 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1793 if (rte_lcore_is_enabled(lcore_id) == 0)
1796 if (queueid >= dev_txq_num)
1801 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1805 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1808 txconf = &dev_info.default_txconf;
1809 txconf->offloads = local_port_conf.txmode.offloads;
1810 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1813 rte_exit(EXIT_FAILURE,
1814 "rte_eth_tx_queue_setup: err=%d, "
1815 "port=%d\n", ret, portid);
1817 qconf = &lcore_conf[lcore_id];
1818 qconf->tx_queue_id[portid] = queueid;
1821 qconf->tx_port_id[qconf->n_tx_port] = portid;
1827 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1828 if (rte_lcore_is_enabled(lcore_id) == 0)
1831 /* init timer structures for each enabled lcore */
1832 rte_timer_init(&power_timers[lcore_id]);
1833 hz = rte_get_timer_hz();
1834 rte_timer_reset(&power_timers[lcore_id],
1835 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1836 power_timer_cb, NULL);
1838 qconf = &lcore_conf[lcore_id];
1839 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1841 /* init RX queues */
1842 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1843 struct rte_eth_rxconf rxq_conf;
1844 struct rte_eth_dev *dev;
1845 struct rte_eth_conf *conf;
1847 portid = qconf->rx_queue_list[queue].port_id;
1848 queueid = qconf->rx_queue_list[queue].queue_id;
1849 dev = &rte_eth_devices[portid];
1850 conf = &dev->data->dev_conf;
1854 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1858 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1861 rte_eth_dev_info_get(portid, &dev_info);
1862 rxq_conf = dev_info.default_rxconf;
1863 rxq_conf.offloads = conf->rxmode.offloads;
1864 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1865 socketid, &rxq_conf,
1866 pktmbuf_pool[socketid]);
1868 rte_exit(EXIT_FAILURE,
1869 "rte_eth_rx_queue_setup: err=%d, "
1870 "port=%d\n", ret, portid);
1873 if (add_cb_parse_ptype(portid, queueid) < 0)
1874 rte_exit(EXIT_FAILURE,
1875 "Fail to add ptype cb\n");
1876 } else if (!check_ptype(portid))
1877 rte_exit(EXIT_FAILURE,
1878 "PMD can not provide needed ptypes\n");
1885 RTE_ETH_FOREACH_DEV(portid) {
1886 if ((enabled_port_mask & (1 << portid)) == 0) {
1890 ret = rte_eth_dev_start(portid);
1892 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1893 "port=%d\n", ret, portid);
1895 * If enabled, put device in promiscuous mode.
1896 * This allows IO forwarding mode to forward packets
1897 * to itself through 2 cross-connected ports of the
1901 rte_eth_promiscuous_enable(portid);
1902 /* initialize spinlock for each port */
1903 rte_spinlock_init(&(locks[portid]));
1906 check_all_ports_link_status(enabled_port_mask);
1908 /* launch per-lcore init on every lcore */
1909 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1910 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1911 if (rte_eal_wait_lcore(lcore_id) < 0)