4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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>
53 #include <rte_tailq.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
70 #include <rte_mempool.h>
75 #include <rte_string_fns.h>
76 #include <rte_timer.h>
77 #include <rte_power.h>
81 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
83 #define MAX_PKT_BURST 32
85 #define MIN_ZERO_POLL_COUNT 5
87 /* around 100ms at 2 Ghz */
88 #define TIMER_RESOLUTION_CYCLES 200000000ULL
90 #define TIMER_NUMBER_PER_SECOND 10
92 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
93 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
95 #define APP_LOOKUP_EXACT_MATCH 0
96 #define APP_LOOKUP_LPM 1
97 #define DO_RFC_1812_CHECKS
99 #ifndef APP_LOOKUP_METHOD
100 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
103 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
104 #include <rte_hash.h>
105 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
108 #error "APP_LOOKUP_METHOD set to incorrect value"
112 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
113 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
114 #define IPv6_BYTES(addr) \
115 addr[0], addr[1], addr[2], addr[3], \
116 addr[4], addr[5], addr[6], addr[7], \
117 addr[8], addr[9], addr[10], addr[11],\
118 addr[12], addr[13],addr[14], addr[15]
121 #define MAX_JUMBO_PKT_LEN 9600
123 #define IPV6_ADDR_LEN 16
125 #define MEMPOOL_CACHE_SIZE 256
127 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
130 * This expression is used to calculate the number of mbufs needed depending on
131 * user input, taking into account memory for rx and tx hardware rings, cache
132 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
133 * NB_MBUF never goes below a minimum value of 8192.
136 #define NB_MBUF RTE_MAX ( \
137 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
138 nb_ports*nb_lcores*MAX_PKT_BURST + \
139 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
140 nb_lcores*MEMPOOL_CACHE_SIZE), \
144 * RX and TX Prefetch, Host, and Write-back threshold values should be
145 * carefully set for optimal performance. Consult the network
146 * controller's datasheet and supporting DPDK documentation for guidance
147 * on how these parameters should be set.
149 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
150 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
151 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
154 * These default values are optimized for use with the Intel(R) 82599 10 GbE
155 * Controller and the DPDK ixgbe PMD. Consider using other values for other
156 * network controllers and/or network drivers.
158 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
159 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
160 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
162 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
166 /* Configure how many packets ahead to prefetch, when reading packets */
167 #define PREFETCH_OFFSET 3
170 * Configurable number of RX/TX ring descriptors
172 #define RTE_TEST_RX_DESC_DEFAULT 128
173 #define RTE_TEST_TX_DESC_DEFAULT 512
174 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
175 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
177 /* ethernet addresses of ports */
178 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
180 /* mask of enabled ports */
181 static uint32_t enabled_port_mask = 0;
182 /* Ports set in promiscuous mode off by default. */
183 static int promiscuous_on = 0;
184 /* NUMA is enabled by default. */
185 static int numa_on = 1;
187 enum freq_scale_hint_t
197 struct rte_mbuf *m_table[MAX_PKT_BURST];
200 struct lcore_rx_queue {
203 enum freq_scale_hint_t freq_up_hint;
204 uint32_t zero_rx_packet_count;
206 } __rte_cache_aligned;
208 #define MAX_RX_QUEUE_PER_LCORE 16
209 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
210 #define MAX_RX_QUEUE_PER_PORT 128
212 #define MAX_LCORE_PARAMS 1024
213 struct lcore_params {
217 } __rte_cache_aligned;
219 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
220 static struct lcore_params lcore_params_array_default[] = {
232 static struct lcore_params * lcore_params = lcore_params_array_default;
233 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
234 sizeof(lcore_params_array_default[0]);
236 static struct rte_eth_conf port_conf = {
238 .mq_mode = ETH_MQ_RX_RSS,
239 .max_rx_pkt_len = ETHER_MAX_LEN,
241 .header_split = 0, /**< Header Split disabled */
242 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
243 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
244 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
245 .hw_strip_crc = 0, /**< CRC stripped by hardware */
250 .rss_hf = ETH_RSS_IP,
254 .mq_mode = ETH_DCB_NONE,
258 static const struct rte_eth_rxconf rx_conf = {
260 .pthresh = RX_PTHRESH,
261 .hthresh = RX_HTHRESH,
262 .wthresh = RX_WTHRESH,
264 .rx_free_thresh = 32,
267 static const struct rte_eth_txconf tx_conf = {
269 .pthresh = TX_PTHRESH,
270 .hthresh = TX_HTHRESH,
271 .wthresh = TX_WTHRESH,
273 .tx_free_thresh = 0, /* Use PMD default values */
274 .tx_rs_thresh = 0, /* Use PMD default values */
278 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
281 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
283 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
284 #include <rte_hash_crc.h>
285 #define DEFAULT_HASH_FUNC rte_hash_crc
287 #include <rte_jhash.h>
288 #define DEFAULT_HASH_FUNC rte_jhash
297 } __attribute__((__packed__));
300 uint8_t ip_dst[IPV6_ADDR_LEN];
301 uint8_t ip_src[IPV6_ADDR_LEN];
305 } __attribute__((__packed__));
307 struct ipv4_l3fwd_route {
308 struct ipv4_5tuple key;
312 struct ipv6_l3fwd_route {
313 struct ipv6_5tuple key;
317 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
318 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
319 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
320 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
321 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
324 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
327 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
328 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
329 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
330 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
336 typedef struct rte_hash lookup_struct_t;
337 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
338 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
340 #define L3FWD_HASH_ENTRIES 1024
342 #define IPV4_L3FWD_NUM_ROUTES \
343 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
345 #define IPV6_L3FWD_NUM_ROUTES \
346 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
348 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
349 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
352 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
353 struct ipv4_l3fwd_route {
359 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
360 {IPv4(1,1,1,0), 24, 0},
361 {IPv4(2,1,1,0), 24, 1},
362 {IPv4(3,1,1,0), 24, 2},
363 {IPv4(4,1,1,0), 24, 3},
364 {IPv4(5,1,1,0), 24, 4},
365 {IPv4(6,1,1,0), 24, 5},
366 {IPv4(7,1,1,0), 24, 6},
367 {IPv4(8,1,1,0), 24, 7},
370 #define IPV4_L3FWD_NUM_ROUTES \
371 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
373 #define IPV4_L3FWD_LPM_MAX_RULES 1024
375 typedef struct rte_lpm lookup_struct_t;
376 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
381 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
382 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
383 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
384 lookup_struct_t * ipv4_lookup_struct;
385 lookup_struct_t * ipv6_lookup_struct;
386 } __rte_cache_aligned;
389 /* total sleep time in ms since last frequency scaling down */
391 /* number of long sleep recently */
392 uint32_t nb_long_sleep;
393 /* freq. scaling up trend */
395 /* total packet processed recently */
396 uint64_t nb_rx_processed;
397 /* total iterations looped recently */
398 uint64_t nb_iteration_looped;
400 } __rte_cache_aligned;
402 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
403 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
404 static struct rte_timer power_timers[RTE_MAX_LCORE];
406 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
407 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
408 unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
410 /* exit signal handler */
412 signal_exit_now(int sigtype)
417 if (sigtype == SIGINT) {
418 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
419 if (rte_lcore_is_enabled(lcore_id) == 0)
422 /* init power management library */
423 ret = rte_power_exit(lcore_id);
425 rte_exit(EXIT_FAILURE, "Power management "
426 "library de-initialization failed on "
427 "core%u\n", lcore_id);
431 rte_exit(EXIT_SUCCESS, "User forced exit\n");
434 /* Freqency scale down timer callback */
436 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
437 __attribute__((unused)) void *arg)
440 float sleep_time_ratio;
441 unsigned lcore_id = rte_lcore_id();
443 /* accumulate total execution time in us when callback is invoked */
444 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
445 (float)SCALING_PERIOD;
448 * check whether need to scale down frequency a step if it sleep a lot.
450 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD)
451 rte_power_freq_down(lcore_id);
452 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
453 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST)
455 * scale down a step if average packet per iteration less
458 rte_power_freq_down(lcore_id);
461 * initialize another timer according to current frequency to ensure
462 * timer interval is relatively fixed.
464 hz = rte_get_timer_hz();
465 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
466 SINGLE, lcore_id, power_timer_cb, NULL);
468 stats[lcore_id].nb_rx_processed = 0;
469 stats[lcore_id].nb_iteration_looped = 0;
471 stats[lcore_id].sleep_time = 0;
474 /* Send burst of packets on an output interface */
476 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
478 struct rte_mbuf **m_table;
482 queueid = qconf->tx_queue_id[port];
483 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
485 ret = rte_eth_tx_burst(port, queueid, m_table, n);
486 if (unlikely(ret < n)) {
488 rte_pktmbuf_free(m_table[ret]);
495 /* Enqueue a single packet, and send burst if queue is filled */
497 send_single_packet(struct rte_mbuf *m, uint8_t port)
501 struct lcore_conf *qconf;
503 lcore_id = rte_lcore_id();
505 qconf = &lcore_conf[lcore_id];
506 len = qconf->tx_mbufs[port].len;
507 qconf->tx_mbufs[port].m_table[len] = m;
510 /* enough pkts to be sent */
511 if (unlikely(len == MAX_PKT_BURST)) {
512 send_burst(qconf, MAX_PKT_BURST, port);
516 qconf->tx_mbufs[port].len = len;
520 #ifdef DO_RFC_1812_CHECKS
522 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
524 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
526 * 1. The packet length reported by the Link Layer must be large
527 * enough to hold the minimum length legal IP datagram (20 bytes).
529 if (link_len < sizeof(struct ipv4_hdr))
532 /* 2. The IP checksum must be correct. */
533 /* this is checked in H/W */
536 * 3. The IP version number must be 4. If the version number is not 4
537 * then the packet may be another version of IP, such as IPng or
540 if (((pkt->version_ihl) >> 4) != 4)
543 * 4. The IP header length field must be large enough to hold the
544 * minimum length legal IP datagram (20 bytes = 5 words).
546 if ((pkt->version_ihl & 0xf) < 5)
550 * 5. The IP total length field must be large enough to hold the IP
551 * datagram header, whose length is specified in the IP header length
554 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
561 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
563 print_ipv4_key(struct ipv4_5tuple key)
565 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
566 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
567 key.port_dst, key.port_src, key.proto);
570 print_ipv6_key(struct ipv6_5tuple key)
572 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
573 "port dst = %d, port src = %d, proto = %d\n",
574 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
575 key.port_dst, key.port_src, key.proto);
578 static inline uint8_t
579 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
580 lookup_struct_t * ipv4_l3fwd_lookup_struct)
582 struct ipv4_5tuple key;
587 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
588 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
589 key.proto = ipv4_hdr->next_proto_id;
591 switch (ipv4_hdr->next_proto_id) {
593 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
594 sizeof(struct ipv4_hdr));
595 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
596 key.port_src = rte_be_to_cpu_16(tcp->src_port);
600 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
601 sizeof(struct ipv4_hdr));
602 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
603 key.port_src = rte_be_to_cpu_16(udp->src_port);
612 /* Find destination port */
613 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
614 return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
617 static inline uint8_t
618 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
619 lookup_struct_t *ipv6_l3fwd_lookup_struct)
621 struct ipv6_5tuple key;
626 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
627 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
629 key.proto = ipv6_hdr->proto;
631 switch (ipv6_hdr->proto) {
633 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
634 sizeof(struct ipv6_hdr));
635 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
636 key.port_src = rte_be_to_cpu_16(tcp->src_port);
640 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
641 sizeof(struct ipv6_hdr));
642 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
643 key.port_src = rte_be_to_cpu_16(udp->src_port);
652 /* Find destination port */
653 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
654 return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
658 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
659 static inline uint8_t
660 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
661 lookup_struct_t *ipv4_l3fwd_lookup_struct)
665 return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
666 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
672 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
673 struct lcore_conf *qconf)
675 struct ether_hdr *eth_hdr;
676 struct ipv4_hdr *ipv4_hdr;
680 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
682 if (m->ol_flags & PKT_RX_IPV4_HDR) {
683 /* Handle IPv4 headers.*/
685 (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
686 + sizeof(struct ether_hdr));
688 #ifdef DO_RFC_1812_CHECKS
689 /* Check to make sure the packet is valid (RFC1812) */
690 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
696 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
697 qconf->ipv4_lookup_struct);
698 if (dst_port >= RTE_MAX_ETHPORTS ||
699 (enabled_port_mask & 1 << dst_port) == 0)
702 /* 02:00:00:00:00:xx */
703 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
704 *((uint64_t *)d_addr_bytes) =
705 0x000000000002 + ((uint64_t)dst_port << 40);
707 #ifdef DO_RFC_1812_CHECKS
708 /* Update time to live and header checksum */
709 --(ipv4_hdr->time_to_live);
710 ++(ipv4_hdr->hdr_checksum);
714 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
716 send_single_packet(m, dst_port);
719 /* Handle IPv6 headers.*/
720 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
721 struct ipv6_hdr *ipv6_hdr;
724 (struct ipv6_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
725 + sizeof(struct ether_hdr));
727 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
728 qconf->ipv6_lookup_struct);
730 if (dst_port >= RTE_MAX_ETHPORTS ||
731 (enabled_port_mask & 1 << dst_port) == 0)
734 /* 02:00:00:00:00:xx */
735 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
736 *((uint64_t *)d_addr_bytes) =
737 0x000000000002 + ((uint64_t)dst_port << 40);
740 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
742 send_single_packet(m, dst_port);
744 /* We don't currently handle IPv6 packets in LPM mode. */
751 #define SLEEP_GEAR1_THRESHOLD 100
752 #define SLEEP_GEAR2_THRESHOLD 1000
754 static inline uint32_t
755 power_idle_heuristic(uint32_t zero_rx_packet_count)
757 /* If zero count is less than 100, use it as the sleep time in us */
758 if (zero_rx_packet_count < SLEEP_GEAR1_THRESHOLD)
759 return zero_rx_packet_count;
760 /* If zero count is less than 1000, sleep time should be 100 us */
761 else if ((zero_rx_packet_count >= SLEEP_GEAR1_THRESHOLD) &&
762 (zero_rx_packet_count < SLEEP_GEAR2_THRESHOLD))
763 return SLEEP_GEAR1_THRESHOLD;
764 /* If zero count is greater than 1000, sleep time should be 1000 us */
765 else if (zero_rx_packet_count >= SLEEP_GEAR2_THRESHOLD)
766 return SLEEP_GEAR2_THRESHOLD;
771 static inline enum freq_scale_hint_t
772 power_freq_scaleup_heuristic(unsigned lcore_id,
777 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
780 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
781 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
782 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
783 #define FREQ_UP_TREND1_ACC 1
784 #define FREQ_UP_TREND2_ACC 100
785 #define FREQ_UP_THRESHOLD 10000
787 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
788 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
789 stats[lcore_id].trend = 0;
791 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
792 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
793 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
794 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
795 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
796 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
798 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
799 stats[lcore_id].trend = 0;
806 /* main processing loop */
808 main_loop(__attribute__((unused)) void *dummy)
810 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
812 uint64_t prev_tsc, diff_tsc, cur_tsc;
813 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
815 uint8_t portid, queueid;
816 struct lcore_conf *qconf;
817 struct lcore_rx_queue *rx_queue;
818 enum freq_scale_hint_t lcore_scaleup_hint;
820 uint32_t lcore_rx_idle_count = 0;
821 uint32_t lcore_idle_hint = 0;
823 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
827 lcore_id = rte_lcore_id();
828 qconf = &lcore_conf[lcore_id];
830 if (qconf->n_rx_queue == 0) {
831 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
835 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
837 for (i = 0; i < qconf->n_rx_queue; i++) {
839 portid = qconf->rx_queue_list[i].port_id;
840 queueid = qconf->rx_queue_list[i].queue_id;
841 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
842 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
846 stats[lcore_id].nb_iteration_looped++;
848 cur_tsc = rte_rdtsc();
849 cur_tsc_power = cur_tsc;
852 * TX burst queue drain
854 diff_tsc = cur_tsc - prev_tsc;
855 if (unlikely(diff_tsc > drain_tsc)) {
858 * This could be optimized (use queueid instead of
859 * portid), but it is not called so often
861 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
862 if (qconf->tx_mbufs[portid].len == 0)
864 send_burst(&lcore_conf[lcore_id],
865 qconf->tx_mbufs[portid].len,
867 qconf->tx_mbufs[portid].len = 0;
873 diff_tsc_power = cur_tsc_power - prev_tsc_power;
874 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
876 prev_tsc_power = cur_tsc_power;
880 * Read packet from RX queues
882 lcore_scaleup_hint = FREQ_CURRENT;
883 lcore_rx_idle_count = 0;
884 for (i = 0; i < qconf->n_rx_queue; ++i) {
885 rx_queue = &(qconf->rx_queue_list[i]);
886 rx_queue->idle_hint = 0;
887 portid = rx_queue->port_id;
888 queueid = rx_queue->queue_id;
890 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
892 stats[lcore_id].nb_rx_processed += nb_rx;
893 if (unlikely(nb_rx == 0)) {
895 * no packet received from rx queue, try to
896 * sleep for a while forcing CPU enter deeper
899 rx_queue->zero_rx_packet_count++;
901 if (rx_queue->zero_rx_packet_count <=
905 rx_queue->idle_hint = power_idle_heuristic(\
906 rx_queue->zero_rx_packet_count);
907 lcore_rx_idle_count++;
909 rx_queue->zero_rx_packet_count = 0;
912 * do not scale up frequency immediately as
913 * user to kernel space communication is costly
914 * which might impact packet I/O for received
917 rx_queue->freq_up_hint =
918 power_freq_scaleup_heuristic(lcore_id,
922 /* Prefetch first packets */
923 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
924 rte_prefetch0(rte_pktmbuf_mtod(
925 pkts_burst[j], void *));
928 /* Prefetch and forward already prefetched packets */
929 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
930 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
931 j + PREFETCH_OFFSET], void *));
932 l3fwd_simple_forward(pkts_burst[j], portid,
936 /* Forward remaining prefetched packets */
937 for (; j < nb_rx; j++) {
938 l3fwd_simple_forward(pkts_burst[j], portid,
943 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
944 for (i = 1, lcore_scaleup_hint =
945 qconf->rx_queue_list[0].freq_up_hint;
946 i < qconf->n_rx_queue; ++i) {
947 rx_queue = &(qconf->rx_queue_list[i]);
948 if (rx_queue->freq_up_hint >
951 rx_queue->freq_up_hint;
954 if (lcore_scaleup_hint == FREQ_HIGHEST)
955 rte_power_freq_max(lcore_id);
956 else if (lcore_scaleup_hint == FREQ_HIGHER)
957 rte_power_freq_up(lcore_id);
960 * All Rx queues empty in recent consecutive polls,
961 * sleep in a conservative manner, meaning sleep as
964 for (i = 1, lcore_idle_hint =
965 qconf->rx_queue_list[0].idle_hint;
966 i < qconf->n_rx_queue; ++i) {
967 rx_queue = &(qconf->rx_queue_list[i]);
968 if (rx_queue->idle_hint < lcore_idle_hint)
969 lcore_idle_hint = rx_queue->idle_hint;
972 if ( lcore_idle_hint < SLEEP_GEAR1_THRESHOLD)
974 * execute "pause" instruction to avoid context
975 * switch for short sleep.
977 rte_delay_us(lcore_idle_hint);
979 /* long sleep force runing thread to suspend */
980 usleep(lcore_idle_hint);
982 stats[lcore_id].sleep_time += lcore_idle_hint;
988 check_lcore_params(void)
990 uint8_t queue, lcore;
994 for (i = 0; i < nb_lcore_params; ++i) {
995 queue = lcore_params[i].queue_id;
996 if (queue >= MAX_RX_QUEUE_PER_PORT) {
997 printf("invalid queue number: %hhu\n", queue);
1000 lcore = lcore_params[i].lcore_id;
1001 if (!rte_lcore_is_enabled(lcore)) {
1002 printf("error: lcore %hhu is not enabled in lcore "
1006 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1008 printf("warning: lcore %hhu is on socket %d with numa "
1009 "off\n", lcore, socketid);
1016 check_port_config(const unsigned nb_ports)
1021 for (i = 0; i < nb_lcore_params; ++i) {
1022 portid = lcore_params[i].port_id;
1023 if ((enabled_port_mask & (1 << portid)) == 0) {
1024 printf("port %u is not enabled in port mask\n",
1028 if (portid >= nb_ports) {
1029 printf("port %u is not present on the board\n",
1038 get_port_n_rx_queues(const uint8_t port)
1043 for (i = 0; i < nb_lcore_params; ++i) {
1044 if (lcore_params[i].port_id == port &&
1045 lcore_params[i].queue_id > queue)
1046 queue = lcore_params[i].queue_id;
1048 return (uint8_t)(++queue);
1052 init_lcore_rx_queues(void)
1054 uint16_t i, nb_rx_queue;
1057 for (i = 0; i < nb_lcore_params; ++i) {
1058 lcore = lcore_params[i].lcore_id;
1059 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1060 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1061 printf("error: too many queues (%u) for lcore: %u\n",
1062 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1065 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1066 lcore_params[i].port_id;
1067 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1068 lcore_params[i].queue_id;
1069 lcore_conf[lcore].n_rx_queue++;
1077 print_usage(const char *prgname)
1079 printf ("%s [EAL options] -- -p PORTMASK -P"
1080 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1081 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1082 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1083 " -P : enable promiscuous mode\n"
1084 " --config (port,queue,lcore): rx queues configuration\n"
1085 " --no-numa: optional, disable numa awareness\n"
1086 " --enable-jumbo: enable jumbo frame"
1087 " which max packet len is PKTLEN in decimal (64-9600)\n",
1091 static int parse_max_pkt_len(const char *pktlen)
1096 /* parse decimal string */
1097 len = strtoul(pktlen, &end, 10);
1098 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1108 parse_portmask(const char *portmask)
1113 /* parse hexadecimal string */
1114 pm = strtoul(portmask, &end, 16);
1115 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1125 parse_config(const char *q_arg)
1128 const char *p, *p0 = q_arg;
1136 unsigned long int_fld[_NUM_FLD];
1137 char *str_fld[_NUM_FLD];
1141 nb_lcore_params = 0;
1143 while ((p = strchr(p0,'(')) != NULL) {
1145 if((p0 = strchr(p,')')) == NULL)
1149 if(size >= sizeof(s))
1152 snprintf(s, sizeof(s), "%.*s", size, p);
1153 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1156 for (i = 0; i < _NUM_FLD; i++){
1158 int_fld[i] = strtoul(str_fld[i], &end, 0);
1159 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1163 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1164 printf("exceeded max number of lcore params: %hu\n",
1168 lcore_params_array[nb_lcore_params].port_id =
1169 (uint8_t)int_fld[FLD_PORT];
1170 lcore_params_array[nb_lcore_params].queue_id =
1171 (uint8_t)int_fld[FLD_QUEUE];
1172 lcore_params_array[nb_lcore_params].lcore_id =
1173 (uint8_t)int_fld[FLD_LCORE];
1176 lcore_params = lcore_params_array;
1181 /* Parse the argument given in the command line of the application */
1183 parse_args(int argc, char **argv)
1188 char *prgname = argv[0];
1189 static struct option lgopts[] = {
1190 {"config", 1, 0, 0},
1191 {"no-numa", 0, 0, 0},
1192 {"enable-jumbo", 0, 0, 0},
1198 while ((opt = getopt_long(argc, argvopt, "p:P",
1199 lgopts, &option_index)) != EOF) {
1204 enabled_port_mask = parse_portmask(optarg);
1205 if (enabled_port_mask == 0) {
1206 printf("invalid portmask\n");
1207 print_usage(prgname);
1212 printf("Promiscuous mode selected\n");
1218 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1219 ret = parse_config(optarg);
1221 printf("invalid config\n");
1222 print_usage(prgname);
1227 if (!strncmp(lgopts[option_index].name,
1229 printf("numa is disabled \n");
1233 if (!strncmp(lgopts[option_index].name,
1234 "enable-jumbo", 12)) {
1235 struct option lenopts =
1236 {"max-pkt-len", required_argument, \
1239 printf("jumbo frame is enabled \n");
1240 port_conf.rxmode.jumbo_frame = 1;
1243 * if no max-pkt-len set, use the default value
1246 if (0 == getopt_long(argc, argvopt, "",
1247 &lenopts, &option_index)) {
1248 ret = parse_max_pkt_len(optarg);
1250 (ret > MAX_JUMBO_PKT_LEN)){
1251 printf("invalid packet "
1253 print_usage(prgname);
1256 port_conf.rxmode.max_rx_pkt_len = ret;
1258 printf("set jumbo frame "
1259 "max packet length to %u\n",
1260 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1266 print_usage(prgname);
1272 argv[optind-1] = prgname;
1275 optind = 0; /* reset getopt lib */
1280 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1282 printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
1283 eth_addr->addr_bytes[0],
1284 eth_addr->addr_bytes[1],
1285 eth_addr->addr_bytes[2],
1286 eth_addr->addr_bytes[3],
1287 eth_addr->addr_bytes[4],
1288 eth_addr->addr_bytes[5]);
1291 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1293 setup_hash(int socketid)
1295 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1297 .entries = L3FWD_HASH_ENTRIES,
1298 .bucket_entries = 4,
1299 .key_len = sizeof(struct ipv4_5tuple),
1300 .hash_func = DEFAULT_HASH_FUNC,
1301 .hash_func_init_val = 0,
1304 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1306 .entries = L3FWD_HASH_ENTRIES,
1307 .bucket_entries = 4,
1308 .key_len = sizeof(struct ipv6_5tuple),
1309 .hash_func = DEFAULT_HASH_FUNC,
1310 .hash_func_init_val = 0,
1317 /* create ipv4 hash */
1318 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1319 ipv4_l3fwd_hash_params.name = s;
1320 ipv4_l3fwd_hash_params.socket_id = socketid;
1321 ipv4_l3fwd_lookup_struct[socketid] =
1322 rte_hash_create(&ipv4_l3fwd_hash_params);
1323 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1324 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1325 "socket %d\n", socketid);
1327 /* create ipv6 hash */
1328 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1329 ipv6_l3fwd_hash_params.name = s;
1330 ipv6_l3fwd_hash_params.socket_id = socketid;
1331 ipv6_l3fwd_lookup_struct[socketid] =
1332 rte_hash_create(&ipv6_l3fwd_hash_params);
1333 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1334 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1335 "socket %d\n", socketid);
1338 /* populate the ipv4 hash */
1339 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1340 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1341 (void *) &ipv4_l3fwd_route_array[i].key);
1343 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1344 "l3fwd hash on socket %d\n", i, socketid);
1346 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1347 printf("Hash: Adding key\n");
1348 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1351 /* populate the ipv6 hash */
1352 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1353 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1354 (void *) &ipv6_l3fwd_route_array[i].key);
1356 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1357 "l3fwd hash on socket %d\n", i, socketid);
1359 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1360 printf("Hash: Adding key\n");
1361 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1366 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1368 setup_lpm(int socketid)
1374 /* create the LPM table */
1375 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1376 ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
1377 IPV4_L3FWD_LPM_MAX_RULES, 0);
1378 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1379 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1380 " on socket %d\n", socketid);
1382 /* populate the LPM table */
1383 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1384 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1385 ipv4_l3fwd_route_array[i].ip,
1386 ipv4_l3fwd_route_array[i].depth,
1387 ipv4_l3fwd_route_array[i].if_out);
1390 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1391 "l3fwd LPM table on socket %d\n",
1395 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1396 (unsigned)ipv4_l3fwd_route_array[i].ip,
1397 ipv4_l3fwd_route_array[i].depth,
1398 ipv4_l3fwd_route_array[i].if_out);
1404 init_mem(unsigned nb_mbuf)
1406 struct lcore_conf *qconf;
1411 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1412 if (rte_lcore_is_enabled(lcore_id) == 0)
1416 socketid = rte_lcore_to_socket_id(lcore_id);
1420 if (socketid >= NB_SOCKETS) {
1421 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1422 "out of range %d\n", socketid,
1423 lcore_id, NB_SOCKETS);
1425 if (pktmbuf_pool[socketid] == NULL) {
1426 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1427 pktmbuf_pool[socketid] =
1428 rte_mempool_create(s, nb_mbuf,
1429 MBUF_SIZE, MEMPOOL_CACHE_SIZE,
1430 sizeof(struct rte_pktmbuf_pool_private),
1431 rte_pktmbuf_pool_init, NULL,
1432 rte_pktmbuf_init, NULL,
1434 if (pktmbuf_pool[socketid] == NULL)
1435 rte_exit(EXIT_FAILURE,
1436 "Cannot init mbuf pool on socket %d\n",
1439 printf("Allocated mbuf pool on socket %d\n",
1442 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1443 setup_lpm(socketid);
1445 setup_hash(socketid);
1448 qconf = &lcore_conf[lcore_id];
1449 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1450 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1451 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1457 /* Check the link status of all ports in up to 9s, and print them finally */
1459 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1461 #define CHECK_INTERVAL 100 /* 100ms */
1462 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1463 uint8_t portid, count, all_ports_up, print_flag = 0;
1464 struct rte_eth_link link;
1466 printf("\nChecking link status");
1468 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1470 for (portid = 0; portid < port_num; portid++) {
1471 if ((port_mask & (1 << portid)) == 0)
1473 memset(&link, 0, sizeof(link));
1474 rte_eth_link_get_nowait(portid, &link);
1475 /* print link status if flag set */
1476 if (print_flag == 1) {
1477 if (link.link_status)
1478 printf("Port %d Link Up - speed %u "
1479 "Mbps - %s\n", (uint8_t)portid,
1480 (unsigned)link.link_speed,
1481 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1482 ("full-duplex") : ("half-duplex\n"));
1484 printf("Port %d Link Down\n",
1488 /* clear all_ports_up flag if any link down */
1489 if (link.link_status == 0) {
1494 /* after finally printing all link status, get out */
1495 if (print_flag == 1)
1498 if (all_ports_up == 0) {
1501 rte_delay_ms(CHECK_INTERVAL);
1504 /* set the print_flag if all ports up or timeout */
1505 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1513 MAIN(int argc, char **argv)
1515 struct lcore_conf *qconf;
1521 uint32_t n_tx_queue, nb_lcores;
1522 uint8_t portid, nb_rx_queue, queue, socketid;
1524 /* catch SIGINT and restore cpufreq governor to ondemand */
1525 signal(SIGINT, signal_exit_now);
1528 ret = rte_eal_init(argc, argv);
1530 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1534 /* init RTE timer library to be used late */
1535 rte_timer_subsystem_init();
1537 /* parse application arguments (after the EAL ones) */
1538 ret = parse_args(argc, argv);
1540 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1542 if (check_lcore_params() < 0)
1543 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1545 ret = init_lcore_rx_queues();
1547 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1550 nb_ports = rte_eth_dev_count();
1551 if (nb_ports > RTE_MAX_ETHPORTS)
1552 nb_ports = RTE_MAX_ETHPORTS;
1554 if (check_port_config(nb_ports) < 0)
1555 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1557 nb_lcores = rte_lcore_count();
1559 /* initialize all ports */
1560 for (portid = 0; portid < nb_ports; portid++) {
1561 /* skip ports that are not enabled */
1562 if ((enabled_port_mask & (1 << portid)) == 0) {
1563 printf("\nSkipping disabled port %d\n", portid);
1568 printf("Initializing port %d ... ", portid );
1571 nb_rx_queue = get_port_n_rx_queues(portid);
1572 n_tx_queue = nb_lcores;
1573 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1574 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1575 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1576 nb_rx_queue, (unsigned)n_tx_queue );
1577 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1578 (uint16_t)n_tx_queue, &port_conf);
1580 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1581 "err=%d, port=%d\n", ret, portid);
1583 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1584 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1588 ret = init_mem(NB_MBUF);
1590 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1592 /* init one TX queue per couple (lcore,port) */
1594 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1595 if (rte_lcore_is_enabled(lcore_id) == 0)
1600 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1604 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1606 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1607 socketid, &tx_conf);
1609 rte_exit(EXIT_FAILURE,
1610 "rte_eth_tx_queue_setup: err=%d, "
1611 "port=%d\n", ret, portid);
1613 qconf = &lcore_conf[lcore_id];
1614 qconf->tx_queue_id[portid] = queueid;
1620 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1621 if (rte_lcore_is_enabled(lcore_id) == 0)
1624 /* init power management library */
1625 ret = rte_power_init(lcore_id);
1627 rte_exit(EXIT_FAILURE, "Power management library "
1628 "initialization failed on core%u\n", lcore_id);
1630 /* init timer structures for each enabled lcore */
1631 rte_timer_init(&power_timers[lcore_id]);
1632 hz = rte_get_timer_hz();
1633 rte_timer_reset(&power_timers[lcore_id],
1634 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1635 power_timer_cb, NULL);
1637 qconf = &lcore_conf[lcore_id];
1638 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1640 /* init RX queues */
1641 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1642 portid = qconf->rx_queue_list[queue].port_id;
1643 queueid = qconf->rx_queue_list[queue].queue_id;
1647 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1651 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1654 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1655 socketid, &rx_conf, pktmbuf_pool[socketid]);
1657 rte_exit(EXIT_FAILURE,
1658 "rte_eth_rx_queue_setup: err=%d, "
1659 "port=%d\n", ret, portid);
1666 for (portid = 0; portid < nb_ports; portid++) {
1667 if ((enabled_port_mask & (1 << portid)) == 0) {
1671 ret = rte_eth_dev_start(portid);
1673 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1674 "port=%d\n", ret, portid);
1677 * If enabled, put device in promiscuous mode.
1678 * This allows IO forwarding mode to forward packets
1679 * to itself through 2 cross-connected ports of the
1683 rte_eth_promiscuous_enable(portid);
1686 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1688 /* launch per-lcore init on every lcore */
1689 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1690 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1691 if (rte_eal_wait_lcore(lcore_id) < 0)