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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14 * notice, this list of conditions and the following disclaimer in
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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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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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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
125 * This expression is used to calculate the number of mbufs needed depending on
126 * user input, taking into account memory for rx and tx hardware rings, cache
127 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
128 * NB_MBUF never goes below a minimum value of 8192.
131 #define NB_MBUF RTE_MAX ( \
132 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
133 nb_ports*nb_lcores*MAX_PKT_BURST + \
134 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
135 nb_lcores*MEMPOOL_CACHE_SIZE), \
138 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
142 /* Configure how many packets ahead to prefetch, when reading packets */
143 #define PREFETCH_OFFSET 3
146 * Configurable number of RX/TX ring descriptors
148 #define RTE_TEST_RX_DESC_DEFAULT 128
149 #define RTE_TEST_TX_DESC_DEFAULT 512
150 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
151 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
153 /* ethernet addresses of ports */
154 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
156 /* mask of enabled ports */
157 static uint32_t enabled_port_mask = 0;
158 /* Ports set in promiscuous mode off by default. */
159 static int promiscuous_on = 0;
160 /* NUMA is enabled by default. */
161 static int numa_on = 1;
163 enum freq_scale_hint_t
173 struct rte_mbuf *m_table[MAX_PKT_BURST];
176 struct lcore_rx_queue {
179 enum freq_scale_hint_t freq_up_hint;
180 uint32_t zero_rx_packet_count;
182 } __rte_cache_aligned;
184 #define MAX_RX_QUEUE_PER_LCORE 16
185 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
186 #define MAX_RX_QUEUE_PER_PORT 128
188 #define MAX_LCORE_PARAMS 1024
189 struct lcore_params {
193 } __rte_cache_aligned;
195 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
196 static struct lcore_params lcore_params_array_default[] = {
208 static struct lcore_params * lcore_params = lcore_params_array_default;
209 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
210 sizeof(lcore_params_array_default[0]);
212 static struct rte_eth_conf port_conf = {
214 .mq_mode = ETH_MQ_RX_RSS,
215 .max_rx_pkt_len = ETHER_MAX_LEN,
217 .header_split = 0, /**< Header Split disabled */
218 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
219 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
220 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
221 .hw_strip_crc = 0, /**< CRC stripped by hardware */
226 .rss_hf = ETH_RSS_IP,
230 .mq_mode = ETH_DCB_NONE,
234 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
237 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
239 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
240 #include <rte_hash_crc.h>
241 #define DEFAULT_HASH_FUNC rte_hash_crc
243 #include <rte_jhash.h>
244 #define DEFAULT_HASH_FUNC rte_jhash
253 } __attribute__((__packed__));
256 uint8_t ip_dst[IPV6_ADDR_LEN];
257 uint8_t ip_src[IPV6_ADDR_LEN];
261 } __attribute__((__packed__));
263 struct ipv4_l3fwd_route {
264 struct ipv4_5tuple key;
268 struct ipv6_l3fwd_route {
269 struct ipv6_5tuple key;
273 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
274 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
275 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
276 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
277 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
280 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
283 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
285 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
286 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
292 typedef struct rte_hash lookup_struct_t;
293 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
294 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
296 #define L3FWD_HASH_ENTRIES 1024
298 #define IPV4_L3FWD_NUM_ROUTES \
299 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
301 #define IPV6_L3FWD_NUM_ROUTES \
302 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
304 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
305 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
308 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
309 struct ipv4_l3fwd_route {
315 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
316 {IPv4(1,1,1,0), 24, 0},
317 {IPv4(2,1,1,0), 24, 1},
318 {IPv4(3,1,1,0), 24, 2},
319 {IPv4(4,1,1,0), 24, 3},
320 {IPv4(5,1,1,0), 24, 4},
321 {IPv4(6,1,1,0), 24, 5},
322 {IPv4(7,1,1,0), 24, 6},
323 {IPv4(8,1,1,0), 24, 7},
326 #define IPV4_L3FWD_NUM_ROUTES \
327 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
329 #define IPV4_L3FWD_LPM_MAX_RULES 1024
331 typedef struct rte_lpm lookup_struct_t;
332 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
337 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
338 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
339 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
340 lookup_struct_t * ipv4_lookup_struct;
341 lookup_struct_t * ipv6_lookup_struct;
342 } __rte_cache_aligned;
345 /* total sleep time in ms since last frequency scaling down */
347 /* number of long sleep recently */
348 uint32_t nb_long_sleep;
349 /* freq. scaling up trend */
351 /* total packet processed recently */
352 uint64_t nb_rx_processed;
353 /* total iterations looped recently */
354 uint64_t nb_iteration_looped;
356 } __rte_cache_aligned;
358 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
359 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
360 static struct rte_timer power_timers[RTE_MAX_LCORE];
362 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
363 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
364 unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
366 /* exit signal handler */
368 signal_exit_now(int sigtype)
373 if (sigtype == SIGINT) {
374 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
375 if (rte_lcore_is_enabled(lcore_id) == 0)
378 /* init power management library */
379 ret = rte_power_exit(lcore_id);
381 rte_exit(EXIT_FAILURE, "Power management "
382 "library de-initialization failed on "
383 "core%u\n", lcore_id);
387 rte_exit(EXIT_SUCCESS, "User forced exit\n");
390 /* Freqency scale down timer callback */
392 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
393 __attribute__((unused)) void *arg)
396 float sleep_time_ratio;
397 unsigned lcore_id = rte_lcore_id();
399 /* accumulate total execution time in us when callback is invoked */
400 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
401 (float)SCALING_PERIOD;
404 * check whether need to scale down frequency a step if it sleep a lot.
406 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD)
407 rte_power_freq_down(lcore_id);
408 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
409 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST)
411 * scale down a step if average packet per iteration less
414 rte_power_freq_down(lcore_id);
417 * initialize another timer according to current frequency to ensure
418 * timer interval is relatively fixed.
420 hz = rte_get_timer_hz();
421 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
422 SINGLE, lcore_id, power_timer_cb, NULL);
424 stats[lcore_id].nb_rx_processed = 0;
425 stats[lcore_id].nb_iteration_looped = 0;
427 stats[lcore_id].sleep_time = 0;
430 /* Send burst of packets on an output interface */
432 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
434 struct rte_mbuf **m_table;
438 queueid = qconf->tx_queue_id[port];
439 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
441 ret = rte_eth_tx_burst(port, queueid, m_table, n);
442 if (unlikely(ret < n)) {
444 rte_pktmbuf_free(m_table[ret]);
451 /* Enqueue a single packet, and send burst if queue is filled */
453 send_single_packet(struct rte_mbuf *m, uint8_t port)
457 struct lcore_conf *qconf;
459 lcore_id = rte_lcore_id();
461 qconf = &lcore_conf[lcore_id];
462 len = qconf->tx_mbufs[port].len;
463 qconf->tx_mbufs[port].m_table[len] = m;
466 /* enough pkts to be sent */
467 if (unlikely(len == MAX_PKT_BURST)) {
468 send_burst(qconf, MAX_PKT_BURST, port);
472 qconf->tx_mbufs[port].len = len;
476 #ifdef DO_RFC_1812_CHECKS
478 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
480 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
482 * 1. The packet length reported by the Link Layer must be large
483 * enough to hold the minimum length legal IP datagram (20 bytes).
485 if (link_len < sizeof(struct ipv4_hdr))
488 /* 2. The IP checksum must be correct. */
489 /* this is checked in H/W */
492 * 3. The IP version number must be 4. If the version number is not 4
493 * then the packet may be another version of IP, such as IPng or
496 if (((pkt->version_ihl) >> 4) != 4)
499 * 4. The IP header length field must be large enough to hold the
500 * minimum length legal IP datagram (20 bytes = 5 words).
502 if ((pkt->version_ihl & 0xf) < 5)
506 * 5. The IP total length field must be large enough to hold the IP
507 * datagram header, whose length is specified in the IP header length
510 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
517 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
519 print_ipv4_key(struct ipv4_5tuple key)
521 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
522 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
523 key.port_dst, key.port_src, key.proto);
526 print_ipv6_key(struct ipv6_5tuple key)
528 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
529 "port dst = %d, port src = %d, proto = %d\n",
530 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
531 key.port_dst, key.port_src, key.proto);
534 static inline uint8_t
535 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
536 lookup_struct_t * ipv4_l3fwd_lookup_struct)
538 struct ipv4_5tuple key;
543 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
544 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
545 key.proto = ipv4_hdr->next_proto_id;
547 switch (ipv4_hdr->next_proto_id) {
549 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
550 sizeof(struct ipv4_hdr));
551 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
552 key.port_src = rte_be_to_cpu_16(tcp->src_port);
556 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
557 sizeof(struct ipv4_hdr));
558 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
559 key.port_src = rte_be_to_cpu_16(udp->src_port);
568 /* Find destination port */
569 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
570 return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
573 static inline uint8_t
574 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
575 lookup_struct_t *ipv6_l3fwd_lookup_struct)
577 struct ipv6_5tuple key;
582 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
583 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
585 key.proto = ipv6_hdr->proto;
587 switch (ipv6_hdr->proto) {
589 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
590 sizeof(struct ipv6_hdr));
591 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
592 key.port_src = rte_be_to_cpu_16(tcp->src_port);
596 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
597 sizeof(struct ipv6_hdr));
598 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
599 key.port_src = rte_be_to_cpu_16(udp->src_port);
608 /* Find destination port */
609 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
610 return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
614 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
615 static inline uint8_t
616 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
617 lookup_struct_t *ipv4_l3fwd_lookup_struct)
621 return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
622 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
628 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
629 struct lcore_conf *qconf)
631 struct ether_hdr *eth_hdr;
632 struct ipv4_hdr *ipv4_hdr;
636 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
639 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
641 if (m->ol_flags & PKT_RX_IPV4_HDR) {
643 /* Handle IPv4 headers.*/
645 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
646 sizeof(struct ether_hdr));
648 #ifdef DO_RFC_1812_CHECKS
649 /* Check to make sure the packet is valid (RFC1812) */
650 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
656 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
657 qconf->ipv4_lookup_struct);
658 if (dst_port >= RTE_MAX_ETHPORTS ||
659 (enabled_port_mask & 1 << dst_port) == 0)
662 /* 02:00:00:00:00:xx */
663 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
664 *((uint64_t *)d_addr_bytes) =
665 0x000000000002 + ((uint64_t)dst_port << 40);
667 #ifdef DO_RFC_1812_CHECKS
668 /* Update time to live and header checksum */
669 --(ipv4_hdr->time_to_live);
670 ++(ipv4_hdr->hdr_checksum);
674 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
676 send_single_packet(m, dst_port);
678 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
683 /* Handle IPv6 headers.*/
684 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
685 struct ipv6_hdr *ipv6_hdr;
688 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
689 sizeof(struct ether_hdr));
691 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
692 qconf->ipv6_lookup_struct);
694 if (dst_port >= RTE_MAX_ETHPORTS ||
695 (enabled_port_mask & 1 << dst_port) == 0)
698 /* 02:00:00:00:00:xx */
699 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
700 *((uint64_t *)d_addr_bytes) =
701 0x000000000002 + ((uint64_t)dst_port << 40);
704 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
706 send_single_packet(m, dst_port);
708 /* We don't currently handle IPv6 packets in LPM mode. */
715 #define SLEEP_GEAR1_THRESHOLD 100
716 #define SLEEP_GEAR2_THRESHOLD 1000
718 static inline uint32_t
719 power_idle_heuristic(uint32_t zero_rx_packet_count)
721 /* If zero count is less than 100, use it as the sleep time in us */
722 if (zero_rx_packet_count < SLEEP_GEAR1_THRESHOLD)
723 return zero_rx_packet_count;
724 /* If zero count is less than 1000, sleep time should be 100 us */
725 else if ((zero_rx_packet_count >= SLEEP_GEAR1_THRESHOLD) &&
726 (zero_rx_packet_count < SLEEP_GEAR2_THRESHOLD))
727 return SLEEP_GEAR1_THRESHOLD;
728 /* If zero count is greater than 1000, sleep time should be 1000 us */
729 else if (zero_rx_packet_count >= SLEEP_GEAR2_THRESHOLD)
730 return SLEEP_GEAR2_THRESHOLD;
735 static inline enum freq_scale_hint_t
736 power_freq_scaleup_heuristic(unsigned lcore_id,
741 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
744 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
745 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
746 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
747 #define FREQ_UP_TREND1_ACC 1
748 #define FREQ_UP_TREND2_ACC 100
749 #define FREQ_UP_THRESHOLD 10000
751 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
752 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
753 stats[lcore_id].trend = 0;
755 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
756 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
757 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
758 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
759 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
760 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
762 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
763 stats[lcore_id].trend = 0;
770 /* main processing loop */
772 main_loop(__attribute__((unused)) void *dummy)
774 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
776 uint64_t prev_tsc, diff_tsc, cur_tsc;
777 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
779 uint8_t portid, queueid;
780 struct lcore_conf *qconf;
781 struct lcore_rx_queue *rx_queue;
782 enum freq_scale_hint_t lcore_scaleup_hint;
784 uint32_t lcore_rx_idle_count = 0;
785 uint32_t lcore_idle_hint = 0;
787 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
791 lcore_id = rte_lcore_id();
792 qconf = &lcore_conf[lcore_id];
794 if (qconf->n_rx_queue == 0) {
795 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
799 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
801 for (i = 0; i < qconf->n_rx_queue; i++) {
803 portid = qconf->rx_queue_list[i].port_id;
804 queueid = qconf->rx_queue_list[i].queue_id;
805 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
806 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
810 stats[lcore_id].nb_iteration_looped++;
812 cur_tsc = rte_rdtsc();
813 cur_tsc_power = cur_tsc;
816 * TX burst queue drain
818 diff_tsc = cur_tsc - prev_tsc;
819 if (unlikely(diff_tsc > drain_tsc)) {
822 * This could be optimized (use queueid instead of
823 * portid), but it is not called so often
825 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
826 if (qconf->tx_mbufs[portid].len == 0)
828 send_burst(&lcore_conf[lcore_id],
829 qconf->tx_mbufs[portid].len,
831 qconf->tx_mbufs[portid].len = 0;
837 diff_tsc_power = cur_tsc_power - prev_tsc_power;
838 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
840 prev_tsc_power = cur_tsc_power;
844 * Read packet from RX queues
846 lcore_scaleup_hint = FREQ_CURRENT;
847 lcore_rx_idle_count = 0;
848 for (i = 0; i < qconf->n_rx_queue; ++i) {
849 rx_queue = &(qconf->rx_queue_list[i]);
850 rx_queue->idle_hint = 0;
851 portid = rx_queue->port_id;
852 queueid = rx_queue->queue_id;
854 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
856 stats[lcore_id].nb_rx_processed += nb_rx;
857 if (unlikely(nb_rx == 0)) {
859 * no packet received from rx queue, try to
860 * sleep for a while forcing CPU enter deeper
863 rx_queue->zero_rx_packet_count++;
865 if (rx_queue->zero_rx_packet_count <=
869 rx_queue->idle_hint = power_idle_heuristic(\
870 rx_queue->zero_rx_packet_count);
871 lcore_rx_idle_count++;
873 rx_queue->zero_rx_packet_count = 0;
876 * do not scale up frequency immediately as
877 * user to kernel space communication is costly
878 * which might impact packet I/O for received
881 rx_queue->freq_up_hint =
882 power_freq_scaleup_heuristic(lcore_id,
886 /* Prefetch first packets */
887 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
888 rte_prefetch0(rte_pktmbuf_mtod(
889 pkts_burst[j], void *));
892 /* Prefetch and forward already prefetched packets */
893 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
894 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
895 j + PREFETCH_OFFSET], void *));
896 l3fwd_simple_forward(pkts_burst[j], portid,
900 /* Forward remaining prefetched packets */
901 for (; j < nb_rx; j++) {
902 l3fwd_simple_forward(pkts_burst[j], portid,
907 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
908 for (i = 1, lcore_scaleup_hint =
909 qconf->rx_queue_list[0].freq_up_hint;
910 i < qconf->n_rx_queue; ++i) {
911 rx_queue = &(qconf->rx_queue_list[i]);
912 if (rx_queue->freq_up_hint >
915 rx_queue->freq_up_hint;
918 if (lcore_scaleup_hint == FREQ_HIGHEST)
919 rte_power_freq_max(lcore_id);
920 else if (lcore_scaleup_hint == FREQ_HIGHER)
921 rte_power_freq_up(lcore_id);
924 * All Rx queues empty in recent consecutive polls,
925 * sleep in a conservative manner, meaning sleep as
928 for (i = 1, lcore_idle_hint =
929 qconf->rx_queue_list[0].idle_hint;
930 i < qconf->n_rx_queue; ++i) {
931 rx_queue = &(qconf->rx_queue_list[i]);
932 if (rx_queue->idle_hint < lcore_idle_hint)
933 lcore_idle_hint = rx_queue->idle_hint;
936 if ( lcore_idle_hint < SLEEP_GEAR1_THRESHOLD)
938 * execute "pause" instruction to avoid context
939 * switch for short sleep.
941 rte_delay_us(lcore_idle_hint);
943 /* long sleep force runing thread to suspend */
944 usleep(lcore_idle_hint);
946 stats[lcore_id].sleep_time += lcore_idle_hint;
952 check_lcore_params(void)
954 uint8_t queue, lcore;
958 for (i = 0; i < nb_lcore_params; ++i) {
959 queue = lcore_params[i].queue_id;
960 if (queue >= MAX_RX_QUEUE_PER_PORT) {
961 printf("invalid queue number: %hhu\n", queue);
964 lcore = lcore_params[i].lcore_id;
965 if (!rte_lcore_is_enabled(lcore)) {
966 printf("error: lcore %hhu is not enabled in lcore "
970 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
972 printf("warning: lcore %hhu is on socket %d with numa "
973 "off\n", lcore, socketid);
980 check_port_config(const unsigned nb_ports)
985 for (i = 0; i < nb_lcore_params; ++i) {
986 portid = lcore_params[i].port_id;
987 if ((enabled_port_mask & (1 << portid)) == 0) {
988 printf("port %u is not enabled in port mask\n",
992 if (portid >= nb_ports) {
993 printf("port %u is not present on the board\n",
1002 get_port_n_rx_queues(const uint8_t port)
1007 for (i = 0; i < nb_lcore_params; ++i) {
1008 if (lcore_params[i].port_id == port &&
1009 lcore_params[i].queue_id > queue)
1010 queue = lcore_params[i].queue_id;
1012 return (uint8_t)(++queue);
1016 init_lcore_rx_queues(void)
1018 uint16_t i, nb_rx_queue;
1021 for (i = 0; i < nb_lcore_params; ++i) {
1022 lcore = lcore_params[i].lcore_id;
1023 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1024 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1025 printf("error: too many queues (%u) for lcore: %u\n",
1026 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1029 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1030 lcore_params[i].port_id;
1031 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1032 lcore_params[i].queue_id;
1033 lcore_conf[lcore].n_rx_queue++;
1041 print_usage(const char *prgname)
1043 printf ("%s [EAL options] -- -p PORTMASK -P"
1044 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1045 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1046 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1047 " -P : enable promiscuous mode\n"
1048 " --config (port,queue,lcore): rx queues configuration\n"
1049 " --no-numa: optional, disable numa awareness\n"
1050 " --enable-jumbo: enable jumbo frame"
1051 " which max packet len is PKTLEN in decimal (64-9600)\n",
1055 static int parse_max_pkt_len(const char *pktlen)
1060 /* parse decimal string */
1061 len = strtoul(pktlen, &end, 10);
1062 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1072 parse_portmask(const char *portmask)
1077 /* parse hexadecimal string */
1078 pm = strtoul(portmask, &end, 16);
1079 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1089 parse_config(const char *q_arg)
1092 const char *p, *p0 = q_arg;
1100 unsigned long int_fld[_NUM_FLD];
1101 char *str_fld[_NUM_FLD];
1105 nb_lcore_params = 0;
1107 while ((p = strchr(p0,'(')) != NULL) {
1109 if((p0 = strchr(p,')')) == NULL)
1113 if(size >= sizeof(s))
1116 snprintf(s, sizeof(s), "%.*s", size, p);
1117 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1120 for (i = 0; i < _NUM_FLD; i++){
1122 int_fld[i] = strtoul(str_fld[i], &end, 0);
1123 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1127 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1128 printf("exceeded max number of lcore params: %hu\n",
1132 lcore_params_array[nb_lcore_params].port_id =
1133 (uint8_t)int_fld[FLD_PORT];
1134 lcore_params_array[nb_lcore_params].queue_id =
1135 (uint8_t)int_fld[FLD_QUEUE];
1136 lcore_params_array[nb_lcore_params].lcore_id =
1137 (uint8_t)int_fld[FLD_LCORE];
1140 lcore_params = lcore_params_array;
1145 /* Parse the argument given in the command line of the application */
1147 parse_args(int argc, char **argv)
1152 char *prgname = argv[0];
1153 static struct option lgopts[] = {
1154 {"config", 1, 0, 0},
1155 {"no-numa", 0, 0, 0},
1156 {"enable-jumbo", 0, 0, 0},
1162 while ((opt = getopt_long(argc, argvopt, "p:P",
1163 lgopts, &option_index)) != EOF) {
1168 enabled_port_mask = parse_portmask(optarg);
1169 if (enabled_port_mask == 0) {
1170 printf("invalid portmask\n");
1171 print_usage(prgname);
1176 printf("Promiscuous mode selected\n");
1182 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1183 ret = parse_config(optarg);
1185 printf("invalid config\n");
1186 print_usage(prgname);
1191 if (!strncmp(lgopts[option_index].name,
1193 printf("numa is disabled \n");
1197 if (!strncmp(lgopts[option_index].name,
1198 "enable-jumbo", 12)) {
1199 struct option lenopts =
1200 {"max-pkt-len", required_argument, \
1203 printf("jumbo frame is enabled \n");
1204 port_conf.rxmode.jumbo_frame = 1;
1207 * if no max-pkt-len set, use the default value
1210 if (0 == getopt_long(argc, argvopt, "",
1211 &lenopts, &option_index)) {
1212 ret = parse_max_pkt_len(optarg);
1214 (ret > MAX_JUMBO_PKT_LEN)){
1215 printf("invalid packet "
1217 print_usage(prgname);
1220 port_conf.rxmode.max_rx_pkt_len = ret;
1222 printf("set jumbo frame "
1223 "max packet length to %u\n",
1224 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1230 print_usage(prgname);
1236 argv[optind-1] = prgname;
1239 optind = 0; /* reset getopt lib */
1244 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1246 char buf[ETHER_ADDR_FMT_SIZE];
1247 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1248 printf("%s%s", name, buf);
1251 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1253 setup_hash(int socketid)
1255 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1257 .entries = L3FWD_HASH_ENTRIES,
1258 .key_len = sizeof(struct ipv4_5tuple),
1259 .hash_func = DEFAULT_HASH_FUNC,
1260 .hash_func_init_val = 0,
1263 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1265 .entries = L3FWD_HASH_ENTRIES,
1266 .key_len = sizeof(struct ipv6_5tuple),
1267 .hash_func = DEFAULT_HASH_FUNC,
1268 .hash_func_init_val = 0,
1275 /* create ipv4 hash */
1276 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1277 ipv4_l3fwd_hash_params.name = s;
1278 ipv4_l3fwd_hash_params.socket_id = socketid;
1279 ipv4_l3fwd_lookup_struct[socketid] =
1280 rte_hash_create(&ipv4_l3fwd_hash_params);
1281 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1282 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1283 "socket %d\n", socketid);
1285 /* create ipv6 hash */
1286 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1287 ipv6_l3fwd_hash_params.name = s;
1288 ipv6_l3fwd_hash_params.socket_id = socketid;
1289 ipv6_l3fwd_lookup_struct[socketid] =
1290 rte_hash_create(&ipv6_l3fwd_hash_params);
1291 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1292 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1293 "socket %d\n", socketid);
1296 /* populate the ipv4 hash */
1297 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1298 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1299 (void *) &ipv4_l3fwd_route_array[i].key);
1301 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1302 "l3fwd hash on socket %d\n", i, socketid);
1304 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1305 printf("Hash: Adding key\n");
1306 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1309 /* populate the ipv6 hash */
1310 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1311 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1312 (void *) &ipv6_l3fwd_route_array[i].key);
1314 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1315 "l3fwd hash on socket %d\n", i, socketid);
1317 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1318 printf("Hash: Adding key\n");
1319 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1324 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1326 setup_lpm(int socketid)
1332 /* create the LPM table */
1333 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1334 ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
1335 IPV4_L3FWD_LPM_MAX_RULES, 0);
1336 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1337 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1338 " on socket %d\n", socketid);
1340 /* populate the LPM table */
1341 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1342 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1343 ipv4_l3fwd_route_array[i].ip,
1344 ipv4_l3fwd_route_array[i].depth,
1345 ipv4_l3fwd_route_array[i].if_out);
1348 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1349 "l3fwd LPM table on socket %d\n",
1353 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1354 (unsigned)ipv4_l3fwd_route_array[i].ip,
1355 ipv4_l3fwd_route_array[i].depth,
1356 ipv4_l3fwd_route_array[i].if_out);
1362 init_mem(unsigned nb_mbuf)
1364 struct lcore_conf *qconf;
1369 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1370 if (rte_lcore_is_enabled(lcore_id) == 0)
1374 socketid = rte_lcore_to_socket_id(lcore_id);
1378 if (socketid >= NB_SOCKETS) {
1379 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1380 "out of range %d\n", socketid,
1381 lcore_id, NB_SOCKETS);
1383 if (pktmbuf_pool[socketid] == NULL) {
1384 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1385 pktmbuf_pool[socketid] =
1386 rte_pktmbuf_pool_create(s, nb_mbuf,
1387 MEMPOOL_CACHE_SIZE, 0,
1388 RTE_MBUF_DEFAULT_BUF_SIZE,
1390 if (pktmbuf_pool[socketid] == NULL)
1391 rte_exit(EXIT_FAILURE,
1392 "Cannot init mbuf pool on socket %d\n",
1395 printf("Allocated mbuf pool on socket %d\n",
1398 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1399 setup_lpm(socketid);
1401 setup_hash(socketid);
1404 qconf = &lcore_conf[lcore_id];
1405 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1406 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1407 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1413 /* Check the link status of all ports in up to 9s, and print them finally */
1415 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1417 #define CHECK_INTERVAL 100 /* 100ms */
1418 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1419 uint8_t portid, count, all_ports_up, print_flag = 0;
1420 struct rte_eth_link link;
1422 printf("\nChecking link status");
1424 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1426 for (portid = 0; portid < port_num; portid++) {
1427 if ((port_mask & (1 << portid)) == 0)
1429 memset(&link, 0, sizeof(link));
1430 rte_eth_link_get_nowait(portid, &link);
1431 /* print link status if flag set */
1432 if (print_flag == 1) {
1433 if (link.link_status)
1434 printf("Port %d Link Up - speed %u "
1435 "Mbps - %s\n", (uint8_t)portid,
1436 (unsigned)link.link_speed,
1437 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1438 ("full-duplex") : ("half-duplex\n"));
1440 printf("Port %d Link Down\n",
1444 /* clear all_ports_up flag if any link down */
1445 if (link.link_status == 0) {
1450 /* after finally printing all link status, get out */
1451 if (print_flag == 1)
1454 if (all_ports_up == 0) {
1457 rte_delay_ms(CHECK_INTERVAL);
1460 /* set the print_flag if all ports up or timeout */
1461 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1469 main(int argc, char **argv)
1471 struct lcore_conf *qconf;
1472 struct rte_eth_dev_info dev_info;
1473 struct rte_eth_txconf *txconf;
1479 uint32_t n_tx_queue, nb_lcores;
1480 uint8_t portid, nb_rx_queue, queue, socketid;
1482 /* catch SIGINT and restore cpufreq governor to ondemand */
1483 signal(SIGINT, signal_exit_now);
1486 ret = rte_eal_init(argc, argv);
1488 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1492 /* init RTE timer library to be used late */
1493 rte_timer_subsystem_init();
1495 /* parse application arguments (after the EAL ones) */
1496 ret = parse_args(argc, argv);
1498 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1500 if (check_lcore_params() < 0)
1501 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1503 ret = init_lcore_rx_queues();
1505 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1508 nb_ports = rte_eth_dev_count();
1509 if (nb_ports > RTE_MAX_ETHPORTS)
1510 nb_ports = RTE_MAX_ETHPORTS;
1512 if (check_port_config(nb_ports) < 0)
1513 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1515 nb_lcores = rte_lcore_count();
1517 /* initialize all ports */
1518 for (portid = 0; portid < nb_ports; portid++) {
1519 /* skip ports that are not enabled */
1520 if ((enabled_port_mask & (1 << portid)) == 0) {
1521 printf("\nSkipping disabled port %d\n", portid);
1526 printf("Initializing port %d ... ", portid );
1529 nb_rx_queue = get_port_n_rx_queues(portid);
1530 n_tx_queue = nb_lcores;
1531 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1532 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1533 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1534 nb_rx_queue, (unsigned)n_tx_queue );
1535 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1536 (uint16_t)n_tx_queue, &port_conf);
1538 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1539 "err=%d, port=%d\n", ret, portid);
1541 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1542 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1546 ret = init_mem(NB_MBUF);
1548 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1550 /* init one TX queue per couple (lcore,port) */
1552 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1553 if (rte_lcore_is_enabled(lcore_id) == 0)
1558 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1562 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1565 rte_eth_dev_info_get(portid, &dev_info);
1566 txconf = &dev_info.default_txconf;
1567 if (port_conf.rxmode.jumbo_frame)
1568 txconf->txq_flags = 0;
1569 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1572 rte_exit(EXIT_FAILURE,
1573 "rte_eth_tx_queue_setup: err=%d, "
1574 "port=%d\n", ret, portid);
1576 qconf = &lcore_conf[lcore_id];
1577 qconf->tx_queue_id[portid] = queueid;
1583 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1584 if (rte_lcore_is_enabled(lcore_id) == 0)
1587 /* init power management library */
1588 ret = rte_power_init(lcore_id);
1590 rte_exit(EXIT_FAILURE, "Power management library "
1591 "initialization failed on core%u\n", lcore_id);
1593 /* init timer structures for each enabled lcore */
1594 rte_timer_init(&power_timers[lcore_id]);
1595 hz = rte_get_timer_hz();
1596 rte_timer_reset(&power_timers[lcore_id],
1597 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1598 power_timer_cb, NULL);
1600 qconf = &lcore_conf[lcore_id];
1601 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1603 /* init RX queues */
1604 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1605 portid = qconf->rx_queue_list[queue].port_id;
1606 queueid = qconf->rx_queue_list[queue].queue_id;
1610 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1614 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1617 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1619 pktmbuf_pool[socketid]);
1621 rte_exit(EXIT_FAILURE,
1622 "rte_eth_rx_queue_setup: err=%d, "
1623 "port=%d\n", ret, portid);
1630 for (portid = 0; portid < nb_ports; portid++) {
1631 if ((enabled_port_mask & (1 << portid)) == 0) {
1635 ret = rte_eth_dev_start(portid);
1637 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1638 "port=%d\n", ret, portid);
1641 * If enabled, put device in promiscuous mode.
1642 * This allows IO forwarding mode to forward packets
1643 * to itself through 2 cross-connected ports of the
1647 rte_eth_promiscuous_enable(portid);
1650 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1652 /* launch per-lcore init on every lcore */
1653 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1654 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1655 if (rte_eal_wait_lcore(lcore_id) < 0)