4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
40 #include <sys/queue.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_memory.h>
51 #include <rte_memcpy.h>
52 #include <rte_memzone.h>
54 #include <rte_per_lcore.h>
55 #include <rte_launch.h>
56 #include <rte_atomic.h>
57 #include <rte_cycles.h>
58 #include <rte_prefetch.h>
59 #include <rte_lcore.h>
60 #include <rte_per_lcore.h>
61 #include <rte_branch_prediction.h>
62 #include <rte_interrupts.h>
64 #include <rte_random.h>
65 #include <rte_debug.h>
66 #include <rte_ether.h>
67 #include <rte_ethdev.h>
69 #include <rte_mempool.h>
74 #include <rte_string_fns.h>
75 #include <rte_timer.h>
76 #include <rte_power.h>
78 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
80 #define MAX_PKT_BURST 32
82 #define MIN_ZERO_POLL_COUNT 5
84 /* around 100ms at 2 Ghz */
85 #define TIMER_RESOLUTION_CYCLES 200000000ULL
87 #define TIMER_NUMBER_PER_SECOND 10
89 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
90 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
92 #define APP_LOOKUP_EXACT_MATCH 0
93 #define APP_LOOKUP_LPM 1
94 #define DO_RFC_1812_CHECKS
96 #ifndef APP_LOOKUP_METHOD
97 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
100 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
101 #include <rte_hash.h>
102 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
105 #error "APP_LOOKUP_METHOD set to incorrect value"
109 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
110 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
111 #define IPv6_BYTES(addr) \
112 addr[0], addr[1], addr[2], addr[3], \
113 addr[4], addr[5], addr[6], addr[7], \
114 addr[8], addr[9], addr[10], addr[11],\
115 addr[12], addr[13],addr[14], addr[15]
118 #define MAX_JUMBO_PKT_LEN 9600
120 #define IPV6_ADDR_LEN 16
122 #define MEMPOOL_CACHE_SIZE 256
124 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
127 * This expression is used to calculate the number of mbufs needed depending on
128 * user input, taking into account memory for rx and tx hardware rings, cache
129 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
130 * NB_MBUF never goes below a minimum value of 8192.
133 #define NB_MBUF RTE_MAX ( \
134 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
135 nb_ports*nb_lcores*MAX_PKT_BURST + \
136 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
137 nb_lcores*MEMPOOL_CACHE_SIZE), \
140 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
144 /* Configure how many packets ahead to prefetch, when reading packets */
145 #define PREFETCH_OFFSET 3
148 * Configurable number of RX/TX ring descriptors
150 #define RTE_TEST_RX_DESC_DEFAULT 128
151 #define RTE_TEST_TX_DESC_DEFAULT 512
152 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
153 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
155 /* ethernet addresses of ports */
156 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
158 /* mask of enabled ports */
159 static uint32_t enabled_port_mask = 0;
160 /* Ports set in promiscuous mode off by default. */
161 static int promiscuous_on = 0;
162 /* NUMA is enabled by default. */
163 static int numa_on = 1;
165 enum freq_scale_hint_t
175 struct rte_mbuf *m_table[MAX_PKT_BURST];
178 struct lcore_rx_queue {
181 enum freq_scale_hint_t freq_up_hint;
182 uint32_t zero_rx_packet_count;
184 } __rte_cache_aligned;
186 #define MAX_RX_QUEUE_PER_LCORE 16
187 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
188 #define MAX_RX_QUEUE_PER_PORT 128
190 #define MAX_LCORE_PARAMS 1024
191 struct lcore_params {
195 } __rte_cache_aligned;
197 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
198 static struct lcore_params lcore_params_array_default[] = {
210 static struct lcore_params * lcore_params = lcore_params_array_default;
211 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
212 sizeof(lcore_params_array_default[0]);
214 static struct rte_eth_conf port_conf = {
216 .mq_mode = ETH_MQ_RX_RSS,
217 .max_rx_pkt_len = ETHER_MAX_LEN,
219 .header_split = 0, /**< Header Split disabled */
220 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
221 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
222 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
223 .hw_strip_crc = 0, /**< CRC stripped by hardware */
228 .rss_hf = ETH_RSS_IP,
232 .mq_mode = ETH_DCB_NONE,
236 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
239 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
241 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
242 #include <rte_hash_crc.h>
243 #define DEFAULT_HASH_FUNC rte_hash_crc
245 #include <rte_jhash.h>
246 #define DEFAULT_HASH_FUNC rte_jhash
255 } __attribute__((__packed__));
258 uint8_t ip_dst[IPV6_ADDR_LEN];
259 uint8_t ip_src[IPV6_ADDR_LEN];
263 } __attribute__((__packed__));
265 struct ipv4_l3fwd_route {
266 struct ipv4_5tuple key;
270 struct ipv6_l3fwd_route {
271 struct ipv6_5tuple key;
275 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
276 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
277 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
278 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
279 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
282 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
285 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
286 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
287 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
288 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
294 typedef struct rte_hash lookup_struct_t;
295 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
296 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
298 #define L3FWD_HASH_ENTRIES 1024
300 #define IPV4_L3FWD_NUM_ROUTES \
301 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
303 #define IPV6_L3FWD_NUM_ROUTES \
304 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
306 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
307 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
310 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
311 struct ipv4_l3fwd_route {
317 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
318 {IPv4(1,1,1,0), 24, 0},
319 {IPv4(2,1,1,0), 24, 1},
320 {IPv4(3,1,1,0), 24, 2},
321 {IPv4(4,1,1,0), 24, 3},
322 {IPv4(5,1,1,0), 24, 4},
323 {IPv4(6,1,1,0), 24, 5},
324 {IPv4(7,1,1,0), 24, 6},
325 {IPv4(8,1,1,0), 24, 7},
328 #define IPV4_L3FWD_NUM_ROUTES \
329 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
331 #define IPV4_L3FWD_LPM_MAX_RULES 1024
333 typedef struct rte_lpm lookup_struct_t;
334 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
339 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
340 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
341 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
342 lookup_struct_t * ipv4_lookup_struct;
343 lookup_struct_t * ipv6_lookup_struct;
344 } __rte_cache_aligned;
347 /* total sleep time in ms since last frequency scaling down */
349 /* number of long sleep recently */
350 uint32_t nb_long_sleep;
351 /* freq. scaling up trend */
353 /* total packet processed recently */
354 uint64_t nb_rx_processed;
355 /* total iterations looped recently */
356 uint64_t nb_iteration_looped;
358 } __rte_cache_aligned;
360 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
361 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
362 static struct rte_timer power_timers[RTE_MAX_LCORE];
364 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
365 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
366 unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
368 /* exit signal handler */
370 signal_exit_now(int sigtype)
375 if (sigtype == SIGINT) {
376 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
377 if (rte_lcore_is_enabled(lcore_id) == 0)
380 /* init power management library */
381 ret = rte_power_exit(lcore_id);
383 rte_exit(EXIT_FAILURE, "Power management "
384 "library de-initialization failed on "
385 "core%u\n", lcore_id);
389 rte_exit(EXIT_SUCCESS, "User forced exit\n");
392 /* Freqency scale down timer callback */
394 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
395 __attribute__((unused)) void *arg)
398 float sleep_time_ratio;
399 unsigned lcore_id = rte_lcore_id();
401 /* accumulate total execution time in us when callback is invoked */
402 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
403 (float)SCALING_PERIOD;
406 * check whether need to scale down frequency a step if it sleep a lot.
408 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD)
409 rte_power_freq_down(lcore_id);
410 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
411 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST)
413 * scale down a step if average packet per iteration less
416 rte_power_freq_down(lcore_id);
419 * initialize another timer according to current frequency to ensure
420 * timer interval is relatively fixed.
422 hz = rte_get_timer_hz();
423 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
424 SINGLE, lcore_id, power_timer_cb, NULL);
426 stats[lcore_id].nb_rx_processed = 0;
427 stats[lcore_id].nb_iteration_looped = 0;
429 stats[lcore_id].sleep_time = 0;
432 /* Send burst of packets on an output interface */
434 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
436 struct rte_mbuf **m_table;
440 queueid = qconf->tx_queue_id[port];
441 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
443 ret = rte_eth_tx_burst(port, queueid, m_table, n);
444 if (unlikely(ret < n)) {
446 rte_pktmbuf_free(m_table[ret]);
453 /* Enqueue a single packet, and send burst if queue is filled */
455 send_single_packet(struct rte_mbuf *m, uint8_t port)
459 struct lcore_conf *qconf;
461 lcore_id = rte_lcore_id();
463 qconf = &lcore_conf[lcore_id];
464 len = qconf->tx_mbufs[port].len;
465 qconf->tx_mbufs[port].m_table[len] = m;
468 /* enough pkts to be sent */
469 if (unlikely(len == MAX_PKT_BURST)) {
470 send_burst(qconf, MAX_PKT_BURST, port);
474 qconf->tx_mbufs[port].len = len;
478 #ifdef DO_RFC_1812_CHECKS
480 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
482 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
484 * 1. The packet length reported by the Link Layer must be large
485 * enough to hold the minimum length legal IP datagram (20 bytes).
487 if (link_len < sizeof(struct ipv4_hdr))
490 /* 2. The IP checksum must be correct. */
491 /* this is checked in H/W */
494 * 3. The IP version number must be 4. If the version number is not 4
495 * then the packet may be another version of IP, such as IPng or
498 if (((pkt->version_ihl) >> 4) != 4)
501 * 4. The IP header length field must be large enough to hold the
502 * minimum length legal IP datagram (20 bytes = 5 words).
504 if ((pkt->version_ihl & 0xf) < 5)
508 * 5. The IP total length field must be large enough to hold the IP
509 * datagram header, whose length is specified in the IP header length
512 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
519 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
521 print_ipv4_key(struct ipv4_5tuple key)
523 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
524 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
525 key.port_dst, key.port_src, key.proto);
528 print_ipv6_key(struct ipv6_5tuple key)
530 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
531 "port dst = %d, port src = %d, proto = %d\n",
532 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
533 key.port_dst, key.port_src, key.proto);
536 static inline uint8_t
537 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
538 lookup_struct_t * ipv4_l3fwd_lookup_struct)
540 struct ipv4_5tuple key;
545 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
546 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
547 key.proto = ipv4_hdr->next_proto_id;
549 switch (ipv4_hdr->next_proto_id) {
551 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
552 sizeof(struct ipv4_hdr));
553 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
554 key.port_src = rte_be_to_cpu_16(tcp->src_port);
558 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
559 sizeof(struct ipv4_hdr));
560 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
561 key.port_src = rte_be_to_cpu_16(udp->src_port);
570 /* Find destination port */
571 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
572 return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
575 static inline uint8_t
576 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
577 lookup_struct_t *ipv6_l3fwd_lookup_struct)
579 struct ipv6_5tuple key;
584 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
585 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
587 key.proto = ipv6_hdr->proto;
589 switch (ipv6_hdr->proto) {
591 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
592 sizeof(struct ipv6_hdr));
593 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
594 key.port_src = rte_be_to_cpu_16(tcp->src_port);
598 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
599 sizeof(struct ipv6_hdr));
600 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
601 key.port_src = rte_be_to_cpu_16(udp->src_port);
610 /* Find destination port */
611 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
612 return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
616 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
617 static inline uint8_t
618 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
619 lookup_struct_t *ipv4_l3fwd_lookup_struct)
623 return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
624 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
630 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
631 struct lcore_conf *qconf)
633 struct ether_hdr *eth_hdr;
634 struct ipv4_hdr *ipv4_hdr;
638 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
640 if (m->ol_flags & PKT_RX_IPV4_HDR) {
641 /* Handle IPv4 headers.*/
643 (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
644 + sizeof(struct ether_hdr));
646 #ifdef DO_RFC_1812_CHECKS
647 /* Check to make sure the packet is valid (RFC1812) */
648 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
654 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
655 qconf->ipv4_lookup_struct);
656 if (dst_port >= RTE_MAX_ETHPORTS ||
657 (enabled_port_mask & 1 << dst_port) == 0)
660 /* 02:00:00:00:00:xx */
661 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
662 *((uint64_t *)d_addr_bytes) =
663 0x000000000002 + ((uint64_t)dst_port << 40);
665 #ifdef DO_RFC_1812_CHECKS
666 /* Update time to live and header checksum */
667 --(ipv4_hdr->time_to_live);
668 ++(ipv4_hdr->hdr_checksum);
672 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
674 send_single_packet(m, dst_port);
677 /* Handle IPv6 headers.*/
678 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
679 struct ipv6_hdr *ipv6_hdr;
682 (struct ipv6_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
683 + sizeof(struct ether_hdr));
685 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
686 qconf->ipv6_lookup_struct);
688 if (dst_port >= RTE_MAX_ETHPORTS ||
689 (enabled_port_mask & 1 << dst_port) == 0)
692 /* 02:00:00:00:00:xx */
693 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
694 *((uint64_t *)d_addr_bytes) =
695 0x000000000002 + ((uint64_t)dst_port << 40);
698 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
700 send_single_packet(m, dst_port);
702 /* We don't currently handle IPv6 packets in LPM mode. */
709 #define SLEEP_GEAR1_THRESHOLD 100
710 #define SLEEP_GEAR2_THRESHOLD 1000
712 static inline uint32_t
713 power_idle_heuristic(uint32_t zero_rx_packet_count)
715 /* If zero count is less than 100, use it as the sleep time in us */
716 if (zero_rx_packet_count < SLEEP_GEAR1_THRESHOLD)
717 return zero_rx_packet_count;
718 /* If zero count is less than 1000, sleep time should be 100 us */
719 else if ((zero_rx_packet_count >= SLEEP_GEAR1_THRESHOLD) &&
720 (zero_rx_packet_count < SLEEP_GEAR2_THRESHOLD))
721 return SLEEP_GEAR1_THRESHOLD;
722 /* If zero count is greater than 1000, sleep time should be 1000 us */
723 else if (zero_rx_packet_count >= SLEEP_GEAR2_THRESHOLD)
724 return SLEEP_GEAR2_THRESHOLD;
729 static inline enum freq_scale_hint_t
730 power_freq_scaleup_heuristic(unsigned lcore_id,
735 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
738 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
739 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
740 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
741 #define FREQ_UP_TREND1_ACC 1
742 #define FREQ_UP_TREND2_ACC 100
743 #define FREQ_UP_THRESHOLD 10000
745 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
746 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
747 stats[lcore_id].trend = 0;
749 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
750 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
751 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
752 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
753 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
754 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
756 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
757 stats[lcore_id].trend = 0;
764 /* main processing loop */
766 main_loop(__attribute__((unused)) void *dummy)
768 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
770 uint64_t prev_tsc, diff_tsc, cur_tsc;
771 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
773 uint8_t portid, queueid;
774 struct lcore_conf *qconf;
775 struct lcore_rx_queue *rx_queue;
776 enum freq_scale_hint_t lcore_scaleup_hint;
778 uint32_t lcore_rx_idle_count = 0;
779 uint32_t lcore_idle_hint = 0;
781 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
785 lcore_id = rte_lcore_id();
786 qconf = &lcore_conf[lcore_id];
788 if (qconf->n_rx_queue == 0) {
789 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
793 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
795 for (i = 0; i < qconf->n_rx_queue; i++) {
797 portid = qconf->rx_queue_list[i].port_id;
798 queueid = qconf->rx_queue_list[i].queue_id;
799 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
800 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
804 stats[lcore_id].nb_iteration_looped++;
806 cur_tsc = rte_rdtsc();
807 cur_tsc_power = cur_tsc;
810 * TX burst queue drain
812 diff_tsc = cur_tsc - prev_tsc;
813 if (unlikely(diff_tsc > drain_tsc)) {
816 * This could be optimized (use queueid instead of
817 * portid), but it is not called so often
819 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
820 if (qconf->tx_mbufs[portid].len == 0)
822 send_burst(&lcore_conf[lcore_id],
823 qconf->tx_mbufs[portid].len,
825 qconf->tx_mbufs[portid].len = 0;
831 diff_tsc_power = cur_tsc_power - prev_tsc_power;
832 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
834 prev_tsc_power = cur_tsc_power;
838 * Read packet from RX queues
840 lcore_scaleup_hint = FREQ_CURRENT;
841 lcore_rx_idle_count = 0;
842 for (i = 0; i < qconf->n_rx_queue; ++i) {
843 rx_queue = &(qconf->rx_queue_list[i]);
844 rx_queue->idle_hint = 0;
845 portid = rx_queue->port_id;
846 queueid = rx_queue->queue_id;
848 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
850 stats[lcore_id].nb_rx_processed += nb_rx;
851 if (unlikely(nb_rx == 0)) {
853 * no packet received from rx queue, try to
854 * sleep for a while forcing CPU enter deeper
857 rx_queue->zero_rx_packet_count++;
859 if (rx_queue->zero_rx_packet_count <=
863 rx_queue->idle_hint = power_idle_heuristic(\
864 rx_queue->zero_rx_packet_count);
865 lcore_rx_idle_count++;
867 rx_queue->zero_rx_packet_count = 0;
870 * do not scale up frequency immediately as
871 * user to kernel space communication is costly
872 * which might impact packet I/O for received
875 rx_queue->freq_up_hint =
876 power_freq_scaleup_heuristic(lcore_id,
880 /* Prefetch first packets */
881 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
882 rte_prefetch0(rte_pktmbuf_mtod(
883 pkts_burst[j], void *));
886 /* Prefetch and forward already prefetched packets */
887 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
888 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
889 j + PREFETCH_OFFSET], void *));
890 l3fwd_simple_forward(pkts_burst[j], portid,
894 /* Forward remaining prefetched packets */
895 for (; j < nb_rx; j++) {
896 l3fwd_simple_forward(pkts_burst[j], portid,
901 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
902 for (i = 1, lcore_scaleup_hint =
903 qconf->rx_queue_list[0].freq_up_hint;
904 i < qconf->n_rx_queue; ++i) {
905 rx_queue = &(qconf->rx_queue_list[i]);
906 if (rx_queue->freq_up_hint >
909 rx_queue->freq_up_hint;
912 if (lcore_scaleup_hint == FREQ_HIGHEST)
913 rte_power_freq_max(lcore_id);
914 else if (lcore_scaleup_hint == FREQ_HIGHER)
915 rte_power_freq_up(lcore_id);
918 * All Rx queues empty in recent consecutive polls,
919 * sleep in a conservative manner, meaning sleep as
922 for (i = 1, lcore_idle_hint =
923 qconf->rx_queue_list[0].idle_hint;
924 i < qconf->n_rx_queue; ++i) {
925 rx_queue = &(qconf->rx_queue_list[i]);
926 if (rx_queue->idle_hint < lcore_idle_hint)
927 lcore_idle_hint = rx_queue->idle_hint;
930 if ( lcore_idle_hint < SLEEP_GEAR1_THRESHOLD)
932 * execute "pause" instruction to avoid context
933 * switch for short sleep.
935 rte_delay_us(lcore_idle_hint);
937 /* long sleep force runing thread to suspend */
938 usleep(lcore_idle_hint);
940 stats[lcore_id].sleep_time += lcore_idle_hint;
946 check_lcore_params(void)
948 uint8_t queue, lcore;
952 for (i = 0; i < nb_lcore_params; ++i) {
953 queue = lcore_params[i].queue_id;
954 if (queue >= MAX_RX_QUEUE_PER_PORT) {
955 printf("invalid queue number: %hhu\n", queue);
958 lcore = lcore_params[i].lcore_id;
959 if (!rte_lcore_is_enabled(lcore)) {
960 printf("error: lcore %hhu is not enabled in lcore "
964 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
966 printf("warning: lcore %hhu is on socket %d with numa "
967 "off\n", lcore, socketid);
974 check_port_config(const unsigned nb_ports)
979 for (i = 0; i < nb_lcore_params; ++i) {
980 portid = lcore_params[i].port_id;
981 if ((enabled_port_mask & (1 << portid)) == 0) {
982 printf("port %u is not enabled in port mask\n",
986 if (portid >= nb_ports) {
987 printf("port %u is not present on the board\n",
996 get_port_n_rx_queues(const uint8_t port)
1001 for (i = 0; i < nb_lcore_params; ++i) {
1002 if (lcore_params[i].port_id == port &&
1003 lcore_params[i].queue_id > queue)
1004 queue = lcore_params[i].queue_id;
1006 return (uint8_t)(++queue);
1010 init_lcore_rx_queues(void)
1012 uint16_t i, nb_rx_queue;
1015 for (i = 0; i < nb_lcore_params; ++i) {
1016 lcore = lcore_params[i].lcore_id;
1017 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1018 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1019 printf("error: too many queues (%u) for lcore: %u\n",
1020 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1023 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1024 lcore_params[i].port_id;
1025 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1026 lcore_params[i].queue_id;
1027 lcore_conf[lcore].n_rx_queue++;
1035 print_usage(const char *prgname)
1037 printf ("%s [EAL options] -- -p PORTMASK -P"
1038 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1039 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1040 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1041 " -P : enable promiscuous mode\n"
1042 " --config (port,queue,lcore): rx queues configuration\n"
1043 " --no-numa: optional, disable numa awareness\n"
1044 " --enable-jumbo: enable jumbo frame"
1045 " which max packet len is PKTLEN in decimal (64-9600)\n",
1049 static int parse_max_pkt_len(const char *pktlen)
1054 /* parse decimal string */
1055 len = strtoul(pktlen, &end, 10);
1056 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1066 parse_portmask(const char *portmask)
1071 /* parse hexadecimal string */
1072 pm = strtoul(portmask, &end, 16);
1073 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1083 parse_config(const char *q_arg)
1086 const char *p, *p0 = q_arg;
1094 unsigned long int_fld[_NUM_FLD];
1095 char *str_fld[_NUM_FLD];
1099 nb_lcore_params = 0;
1101 while ((p = strchr(p0,'(')) != NULL) {
1103 if((p0 = strchr(p,')')) == NULL)
1107 if(size >= sizeof(s))
1110 snprintf(s, sizeof(s), "%.*s", size, p);
1111 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1114 for (i = 0; i < _NUM_FLD; i++){
1116 int_fld[i] = strtoul(str_fld[i], &end, 0);
1117 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1121 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1122 printf("exceeded max number of lcore params: %hu\n",
1126 lcore_params_array[nb_lcore_params].port_id =
1127 (uint8_t)int_fld[FLD_PORT];
1128 lcore_params_array[nb_lcore_params].queue_id =
1129 (uint8_t)int_fld[FLD_QUEUE];
1130 lcore_params_array[nb_lcore_params].lcore_id =
1131 (uint8_t)int_fld[FLD_LCORE];
1134 lcore_params = lcore_params_array;
1139 /* Parse the argument given in the command line of the application */
1141 parse_args(int argc, char **argv)
1146 char *prgname = argv[0];
1147 static struct option lgopts[] = {
1148 {"config", 1, 0, 0},
1149 {"no-numa", 0, 0, 0},
1150 {"enable-jumbo", 0, 0, 0},
1156 while ((opt = getopt_long(argc, argvopt, "p:P",
1157 lgopts, &option_index)) != EOF) {
1162 enabled_port_mask = parse_portmask(optarg);
1163 if (enabled_port_mask == 0) {
1164 printf("invalid portmask\n");
1165 print_usage(prgname);
1170 printf("Promiscuous mode selected\n");
1176 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1177 ret = parse_config(optarg);
1179 printf("invalid config\n");
1180 print_usage(prgname);
1185 if (!strncmp(lgopts[option_index].name,
1187 printf("numa is disabled \n");
1191 if (!strncmp(lgopts[option_index].name,
1192 "enable-jumbo", 12)) {
1193 struct option lenopts =
1194 {"max-pkt-len", required_argument, \
1197 printf("jumbo frame is enabled \n");
1198 port_conf.rxmode.jumbo_frame = 1;
1201 * if no max-pkt-len set, use the default value
1204 if (0 == getopt_long(argc, argvopt, "",
1205 &lenopts, &option_index)) {
1206 ret = parse_max_pkt_len(optarg);
1208 (ret > MAX_JUMBO_PKT_LEN)){
1209 printf("invalid packet "
1211 print_usage(prgname);
1214 port_conf.rxmode.max_rx_pkt_len = ret;
1216 printf("set jumbo frame "
1217 "max packet length to %u\n",
1218 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1224 print_usage(prgname);
1230 argv[optind-1] = prgname;
1233 optind = 0; /* reset getopt lib */
1238 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1240 char buf[ETHER_ADDR_FMT_SIZE];
1241 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1242 printf("%s%s", name, buf);
1245 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1247 setup_hash(int socketid)
1249 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1251 .entries = L3FWD_HASH_ENTRIES,
1252 .bucket_entries = 4,
1253 .key_len = sizeof(struct ipv4_5tuple),
1254 .hash_func = DEFAULT_HASH_FUNC,
1255 .hash_func_init_val = 0,
1258 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1260 .entries = L3FWD_HASH_ENTRIES,
1261 .bucket_entries = 4,
1262 .key_len = sizeof(struct ipv6_5tuple),
1263 .hash_func = DEFAULT_HASH_FUNC,
1264 .hash_func_init_val = 0,
1271 /* create ipv4 hash */
1272 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1273 ipv4_l3fwd_hash_params.name = s;
1274 ipv4_l3fwd_hash_params.socket_id = socketid;
1275 ipv4_l3fwd_lookup_struct[socketid] =
1276 rte_hash_create(&ipv4_l3fwd_hash_params);
1277 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1278 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1279 "socket %d\n", socketid);
1281 /* create ipv6 hash */
1282 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1283 ipv6_l3fwd_hash_params.name = s;
1284 ipv6_l3fwd_hash_params.socket_id = socketid;
1285 ipv6_l3fwd_lookup_struct[socketid] =
1286 rte_hash_create(&ipv6_l3fwd_hash_params);
1287 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1288 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1289 "socket %d\n", socketid);
1292 /* populate the ipv4 hash */
1293 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1294 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1295 (void *) &ipv4_l3fwd_route_array[i].key);
1297 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1298 "l3fwd hash on socket %d\n", i, socketid);
1300 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1301 printf("Hash: Adding key\n");
1302 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1305 /* populate the ipv6 hash */
1306 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1307 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1308 (void *) &ipv6_l3fwd_route_array[i].key);
1310 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1311 "l3fwd hash on socket %d\n", i, socketid);
1313 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1314 printf("Hash: Adding key\n");
1315 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1320 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1322 setup_lpm(int socketid)
1328 /* create the LPM table */
1329 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1330 ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
1331 IPV4_L3FWD_LPM_MAX_RULES, 0);
1332 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1333 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1334 " on socket %d\n", socketid);
1336 /* populate the LPM table */
1337 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1338 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1339 ipv4_l3fwd_route_array[i].ip,
1340 ipv4_l3fwd_route_array[i].depth,
1341 ipv4_l3fwd_route_array[i].if_out);
1344 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1345 "l3fwd LPM table on socket %d\n",
1349 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1350 (unsigned)ipv4_l3fwd_route_array[i].ip,
1351 ipv4_l3fwd_route_array[i].depth,
1352 ipv4_l3fwd_route_array[i].if_out);
1358 init_mem(unsigned nb_mbuf)
1360 struct lcore_conf *qconf;
1365 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1366 if (rte_lcore_is_enabled(lcore_id) == 0)
1370 socketid = rte_lcore_to_socket_id(lcore_id);
1374 if (socketid >= NB_SOCKETS) {
1375 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1376 "out of range %d\n", socketid,
1377 lcore_id, NB_SOCKETS);
1379 if (pktmbuf_pool[socketid] == NULL) {
1380 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1381 pktmbuf_pool[socketid] =
1382 rte_mempool_create(s, nb_mbuf,
1383 MBUF_SIZE, MEMPOOL_CACHE_SIZE,
1384 sizeof(struct rte_pktmbuf_pool_private),
1385 rte_pktmbuf_pool_init, NULL,
1386 rte_pktmbuf_init, NULL,
1388 if (pktmbuf_pool[socketid] == NULL)
1389 rte_exit(EXIT_FAILURE,
1390 "Cannot init mbuf pool on socket %d\n",
1393 printf("Allocated mbuf pool on socket %d\n",
1396 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1397 setup_lpm(socketid);
1399 setup_hash(socketid);
1402 qconf = &lcore_conf[lcore_id];
1403 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1404 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1405 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1411 /* Check the link status of all ports in up to 9s, and print them finally */
1413 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1415 #define CHECK_INTERVAL 100 /* 100ms */
1416 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1417 uint8_t portid, count, all_ports_up, print_flag = 0;
1418 struct rte_eth_link link;
1420 printf("\nChecking link status");
1422 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1424 for (portid = 0; portid < port_num; portid++) {
1425 if ((port_mask & (1 << portid)) == 0)
1427 memset(&link, 0, sizeof(link));
1428 rte_eth_link_get_nowait(portid, &link);
1429 /* print link status if flag set */
1430 if (print_flag == 1) {
1431 if (link.link_status)
1432 printf("Port %d Link Up - speed %u "
1433 "Mbps - %s\n", (uint8_t)portid,
1434 (unsigned)link.link_speed,
1435 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1436 ("full-duplex") : ("half-duplex\n"));
1438 printf("Port %d Link Down\n",
1442 /* clear all_ports_up flag if any link down */
1443 if (link.link_status == 0) {
1448 /* after finally printing all link status, get out */
1449 if (print_flag == 1)
1452 if (all_ports_up == 0) {
1455 rte_delay_ms(CHECK_INTERVAL);
1458 /* set the print_flag if all ports up or timeout */
1459 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1467 main(int argc, char **argv)
1469 struct lcore_conf *qconf;
1470 struct rte_eth_dev_info dev_info;
1471 struct rte_eth_txconf *txconf;
1477 uint32_t n_tx_queue, nb_lcores;
1478 uint8_t portid, nb_rx_queue, queue, socketid;
1480 /* catch SIGINT and restore cpufreq governor to ondemand */
1481 signal(SIGINT, signal_exit_now);
1484 ret = rte_eal_init(argc, argv);
1486 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1490 /* init RTE timer library to be used late */
1491 rte_timer_subsystem_init();
1493 /* parse application arguments (after the EAL ones) */
1494 ret = parse_args(argc, argv);
1496 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1498 if (check_lcore_params() < 0)
1499 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1501 ret = init_lcore_rx_queues();
1503 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1506 nb_ports = rte_eth_dev_count();
1507 if (nb_ports > RTE_MAX_ETHPORTS)
1508 nb_ports = RTE_MAX_ETHPORTS;
1510 if (check_port_config(nb_ports) < 0)
1511 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1513 nb_lcores = rte_lcore_count();
1515 /* initialize all ports */
1516 for (portid = 0; portid < nb_ports; portid++) {
1517 /* skip ports that are not enabled */
1518 if ((enabled_port_mask & (1 << portid)) == 0) {
1519 printf("\nSkipping disabled port %d\n", portid);
1524 printf("Initializing port %d ... ", portid );
1527 nb_rx_queue = get_port_n_rx_queues(portid);
1528 n_tx_queue = nb_lcores;
1529 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1530 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1531 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1532 nb_rx_queue, (unsigned)n_tx_queue );
1533 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1534 (uint16_t)n_tx_queue, &port_conf);
1536 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1537 "err=%d, port=%d\n", ret, portid);
1539 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1540 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1544 ret = init_mem(NB_MBUF);
1546 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1548 /* init one TX queue per couple (lcore,port) */
1550 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1551 if (rte_lcore_is_enabled(lcore_id) == 0)
1556 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1560 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1563 rte_eth_dev_info_get(portid, &dev_info);
1564 txconf = &dev_info.default_txconf;
1565 if (port_conf.rxmode.jumbo_frame)
1566 txconf->txq_flags = 0;
1567 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1570 rte_exit(EXIT_FAILURE,
1571 "rte_eth_tx_queue_setup: err=%d, "
1572 "port=%d\n", ret, portid);
1574 qconf = &lcore_conf[lcore_id];
1575 qconf->tx_queue_id[portid] = queueid;
1581 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1582 if (rte_lcore_is_enabled(lcore_id) == 0)
1585 /* init power management library */
1586 ret = rte_power_init(lcore_id);
1588 rte_exit(EXIT_FAILURE, "Power management library "
1589 "initialization failed on core%u\n", lcore_id);
1591 /* init timer structures for each enabled lcore */
1592 rte_timer_init(&power_timers[lcore_id]);
1593 hz = rte_get_timer_hz();
1594 rte_timer_reset(&power_timers[lcore_id],
1595 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1596 power_timer_cb, NULL);
1598 qconf = &lcore_conf[lcore_id];
1599 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1601 /* init RX queues */
1602 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1603 portid = qconf->rx_queue_list[queue].port_id;
1604 queueid = qconf->rx_queue_list[queue].queue_id;
1608 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1612 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1615 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1617 pktmbuf_pool[socketid]);
1619 rte_exit(EXIT_FAILURE,
1620 "rte_eth_rx_queue_setup: err=%d, "
1621 "port=%d\n", ret, portid);
1628 for (portid = 0; portid < nb_ports; portid++) {
1629 if ((enabled_port_mask & (1 << portid)) == 0) {
1633 ret = rte_eth_dev_start(portid);
1635 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1636 "port=%d\n", ret, portid);
1639 * If enabled, put device in promiscuous mode.
1640 * This allows IO forwarding mode to forward packets
1641 * to itself through 2 cross-connected ports of the
1645 rte_eth_promiscuous_enable(portid);
1648 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1650 /* launch per-lcore init on every lcore */
1651 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1652 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1653 if (rte_eal_wait_lcore(lcore_id) < 0)