1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 Intel Corporation
11 #include <sys/queue.h>
19 #include <rte_common.h>
20 #include <rte_byteorder.h>
22 #include <rte_malloc.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
26 #include <rte_launch.h>
27 #include <rte_atomic.h>
28 #include <rte_cycles.h>
29 #include <rte_prefetch.h>
30 #include <rte_lcore.h>
31 #include <rte_per_lcore.h>
32 #include <rte_branch_prediction.h>
33 #include <rte_interrupts.h>
34 #include <rte_random.h>
35 #include <rte_debug.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_mempool.h>
43 #include <rte_string_fns.h>
44 #include <rte_timer.h>
45 #include <rte_power.h>
46 #include <rte_spinlock.h>
47 #include <rte_power_empty_poll.h>
48 #include <rte_metrics.h>
50 #include "perf_core.h"
53 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
55 #define MAX_PKT_BURST 32
57 #define MIN_ZERO_POLL_COUNT 10
60 #define TIMER_NUMBER_PER_SECOND 10
62 #define INTERVALS_PER_SECOND 100
64 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
65 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
67 #define APP_LOOKUP_EXACT_MATCH 0
68 #define APP_LOOKUP_LPM 1
69 #define DO_RFC_1812_CHECKS
71 #ifndef APP_LOOKUP_METHOD
72 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
75 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
77 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
80 #error "APP_LOOKUP_METHOD set to incorrect value"
84 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
85 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
86 #define IPv6_BYTES(addr) \
87 addr[0], addr[1], addr[2], addr[3], \
88 addr[4], addr[5], addr[6], addr[7], \
89 addr[8], addr[9], addr[10], addr[11],\
90 addr[12], addr[13],addr[14], addr[15]
93 #define MAX_JUMBO_PKT_LEN 9600
95 #define IPV6_ADDR_LEN 16
97 #define MEMPOOL_CACHE_SIZE 256
100 * This expression is used to calculate the number of mbufs needed depending on
101 * user input, taking into account memory for rx and tx hardware rings, cache
102 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
103 * NB_MBUF never goes below a minimum value of 8192.
106 #define NB_MBUF RTE_MAX ( \
107 (nb_ports*nb_rx_queue*nb_rxd + \
108 nb_ports*nb_lcores*MAX_PKT_BURST + \
109 nb_ports*n_tx_queue*nb_txd + \
110 nb_lcores*MEMPOOL_CACHE_SIZE), \
113 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
117 /* Configure how many packets ahead to prefetch, when reading packets */
118 #define PREFETCH_OFFSET 3
121 * Configurable number of RX/TX ring descriptors
123 #define RTE_TEST_RX_DESC_DEFAULT 1024
124 #define RTE_TEST_TX_DESC_DEFAULT 1024
127 * These two thresholds were decided on by running the training algorithm on
128 * a 2.5GHz Xeon. These defaults can be overridden by supplying non-zero values
129 * for the med_threshold and high_threshold parameters on the command line.
131 #define EMPTY_POLL_MED_THRESHOLD 350000UL
132 #define EMPTY_POLL_HGH_THRESHOLD 580000UL
136 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
137 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
139 /* ethernet addresses of ports */
140 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
142 /* ethernet addresses of ports */
143 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
145 /* mask of enabled ports */
146 static uint32_t enabled_port_mask = 0;
147 /* Ports set in promiscuous mode off by default. */
148 static int promiscuous_on = 0;
149 /* NUMA is enabled by default. */
150 static int numa_on = 1;
151 static bool empty_poll_stop;
152 static bool empty_poll_train;
153 volatile bool quit_signal;
154 static struct ep_params *ep_params;
155 static struct ep_policy policy;
156 static long ep_med_edpi, ep_hgh_edpi;
157 /* timer to update telemetry every 500ms */
158 static struct rte_timer telemetry_timer;
160 /* stats index returned by metrics lib */
163 struct telstats_name {
164 char name[RTE_ETH_XSTATS_NAME_SIZE];
167 /* telemetry stats to be reported */
168 const struct telstats_name telstats_strings[] = {
174 /* core busyness in percentage */
181 /* reference poll count to measure core busyness */
182 #define DEFAULT_COUNT 10000
184 * reference CYCLES to be used to
185 * measure core busyness based on poll count
187 #define MIN_CYCLES 1500000ULL
188 #define MAX_CYCLES 22000000ULL
191 #define TELEMETRY_INTERVALS_PER_SEC 2
193 static int parse_ptype; /**< Parse packet type using rx callback, and */
194 /**< disabled by default */
202 enum appmode app_mode;
204 enum freq_scale_hint_t
212 struct lcore_rx_queue {
215 enum freq_scale_hint_t freq_up_hint;
216 uint32_t zero_rx_packet_count;
218 } __rte_cache_aligned;
220 #define MAX_RX_QUEUE_PER_LCORE 16
221 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
222 #define MAX_RX_QUEUE_PER_PORT 128
224 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
227 struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
228 static struct lcore_params lcore_params_array_default[] = {
240 struct lcore_params *lcore_params = lcore_params_array_default;
241 uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
242 sizeof(lcore_params_array_default[0]);
244 static struct rte_eth_conf port_conf = {
246 .mq_mode = ETH_MQ_RX_RSS,
247 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
249 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
254 .rss_hf = ETH_RSS_UDP,
258 .mq_mode = ETH_MQ_TX_NONE,
265 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
268 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
271 #include <rte_hash_crc.h>
272 #define DEFAULT_HASH_FUNC rte_hash_crc
274 #include <rte_jhash.h>
275 #define DEFAULT_HASH_FUNC rte_jhash
284 } __attribute__((__packed__));
287 uint8_t ip_dst[IPV6_ADDR_LEN];
288 uint8_t ip_src[IPV6_ADDR_LEN];
292 } __attribute__((__packed__));
294 struct ipv4_l3fwd_route {
295 struct ipv4_5tuple key;
299 struct ipv6_l3fwd_route {
300 struct ipv6_5tuple key;
304 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
305 {{RTE_IPV4(100,10,0,1), RTE_IPV4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
306 {{RTE_IPV4(100,20,0,2), RTE_IPV4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
307 {{RTE_IPV4(100,30,0,3), RTE_IPV4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
308 {{RTE_IPV4(100,40,0,4), RTE_IPV4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
311 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
314 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
315 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
316 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
317 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
323 typedef struct rte_hash lookup_struct_t;
324 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
325 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
327 #define L3FWD_HASH_ENTRIES 1024
329 #define IPV4_L3FWD_NUM_ROUTES \
330 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
332 #define IPV6_L3FWD_NUM_ROUTES \
333 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
335 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
336 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
339 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
340 struct ipv4_l3fwd_route {
346 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
347 {RTE_IPV4(1,1,1,0), 24, 0},
348 {RTE_IPV4(2,1,1,0), 24, 1},
349 {RTE_IPV4(3,1,1,0), 24, 2},
350 {RTE_IPV4(4,1,1,0), 24, 3},
351 {RTE_IPV4(5,1,1,0), 24, 4},
352 {RTE_IPV4(6,1,1,0), 24, 5},
353 {RTE_IPV4(7,1,1,0), 24, 6},
354 {RTE_IPV4(8,1,1,0), 24, 7},
357 #define IPV4_L3FWD_NUM_ROUTES \
358 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
360 #define IPV4_L3FWD_LPM_MAX_RULES 1024
362 typedef struct rte_lpm lookup_struct_t;
363 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
368 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
370 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
371 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
372 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
373 lookup_struct_t * ipv4_lookup_struct;
374 lookup_struct_t * ipv6_lookup_struct;
375 } __rte_cache_aligned;
378 /* total sleep time in ms since last frequency scaling down */
380 /* number of long sleep recently */
381 uint32_t nb_long_sleep;
382 /* freq. scaling up trend */
384 /* total packet processed recently */
385 uint64_t nb_rx_processed;
386 /* total iterations looped recently */
387 uint64_t nb_iteration_looped;
389 * Represents empty and non empty polls
390 * of rte_eth_rx_burst();
391 * ep_nep[0] holds non empty polls
392 * i.e. 0 < nb_rx <= MAX_BURST
393 * ep_nep[1] holds empty polls.
398 * Represents full and empty+partial
399 * polls of rte_eth_rx_burst();
400 * ep_nep[0] holds empty+partial polls.
401 * i.e. 0 <= nb_rx < MAX_BURST
402 * ep_nep[1] holds full polls
403 * i.e. nb_rx == MAX_BURST
407 rte_spinlock_t telemetry_lock;
408 } __rte_cache_aligned;
410 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
411 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
412 static struct rte_timer power_timers[RTE_MAX_LCORE];
414 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
415 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
416 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
420 * These defaults are using the max frequency index (1), a medium index (9)
421 * and a typical low frequency index (14). These can be adjusted to use
422 * different indexes using the relevant command line parameters.
424 static uint8_t freq_tlb[] = {14, 9, 1};
426 static int is_done(void)
431 /* exit signal handler */
433 signal_exit_now(int sigtype)
439 if (sigtype == SIGINT) {
440 if (app_mode == APP_MODE_EMPTY_POLL ||
441 app_mode == APP_MODE_TELEMETRY)
445 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
446 if (rte_lcore_is_enabled(lcore_id) == 0)
449 /* init power management library */
450 ret = rte_power_exit(lcore_id);
452 rte_exit(EXIT_FAILURE, "Power management "
453 "library de-initialization failed on "
454 "core%u\n", lcore_id);
457 if (app_mode != APP_MODE_EMPTY_POLL) {
458 RTE_ETH_FOREACH_DEV(portid) {
459 if ((enabled_port_mask & (1 << portid)) == 0)
462 rte_eth_dev_stop(portid);
463 rte_eth_dev_close(portid);
468 if (app_mode != APP_MODE_EMPTY_POLL)
469 rte_exit(EXIT_SUCCESS, "User forced exit\n");
472 /* Freqency scale down timer callback */
474 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
475 __attribute__((unused)) void *arg)
478 float sleep_time_ratio;
479 unsigned lcore_id = rte_lcore_id();
481 /* accumulate total execution time in us when callback is invoked */
482 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
483 (float)SCALING_PERIOD;
485 * check whether need to scale down frequency a step if it sleep a lot.
487 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
488 if (rte_power_freq_down)
489 rte_power_freq_down(lcore_id);
491 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
492 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
494 * scale down a step if average packet per iteration less
497 if (rte_power_freq_down)
498 rte_power_freq_down(lcore_id);
502 * initialize another timer according to current frequency to ensure
503 * timer interval is relatively fixed.
505 hz = rte_get_timer_hz();
506 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
507 SINGLE, lcore_id, power_timer_cb, NULL);
509 stats[lcore_id].nb_rx_processed = 0;
510 stats[lcore_id].nb_iteration_looped = 0;
512 stats[lcore_id].sleep_time = 0;
515 /* Enqueue a single packet, and send burst if queue is filled */
517 send_single_packet(struct rte_mbuf *m, uint16_t port)
520 struct lcore_conf *qconf;
522 lcore_id = rte_lcore_id();
523 qconf = &lcore_conf[lcore_id];
525 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
526 qconf->tx_buffer[port], m);
531 #ifdef DO_RFC_1812_CHECKS
533 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
535 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
537 * 1. The packet length reported by the Link Layer must be large
538 * enough to hold the minimum length legal IP datagram (20 bytes).
540 if (link_len < sizeof(struct rte_ipv4_hdr))
543 /* 2. The IP checksum must be correct. */
544 /* this is checked in H/W */
547 * 3. The IP version number must be 4. If the version number is not 4
548 * then the packet may be another version of IP, such as IPng or
551 if (((pkt->version_ihl) >> 4) != 4)
554 * 4. The IP header length field must be large enough to hold the
555 * minimum length legal IP datagram (20 bytes = 5 words).
557 if ((pkt->version_ihl & 0xf) < 5)
561 * 5. The IP total length field must be large enough to hold the IP
562 * datagram header, whose length is specified in the IP header length
565 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
574 print_ipv4_key(struct ipv4_5tuple key)
576 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
577 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
578 key.port_dst, key.port_src, key.proto);
581 print_ipv6_key(struct ipv6_5tuple key)
583 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
584 "port dst = %d, port src = %d, proto = %d\n",
585 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
586 key.port_dst, key.port_src, key.proto);
589 static inline uint16_t
590 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
591 lookup_struct_t * ipv4_l3fwd_lookup_struct)
593 struct ipv4_5tuple key;
594 struct rte_tcp_hdr *tcp;
595 struct rte_udp_hdr *udp;
598 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
599 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
600 key.proto = ipv4_hdr->next_proto_id;
602 switch (ipv4_hdr->next_proto_id) {
604 tcp = (struct rte_tcp_hdr *)((unsigned char *)ipv4_hdr +
605 sizeof(struct rte_ipv4_hdr));
606 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
607 key.port_src = rte_be_to_cpu_16(tcp->src_port);
611 udp = (struct rte_udp_hdr *)((unsigned char *)ipv4_hdr +
612 sizeof(struct rte_ipv4_hdr));
613 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
614 key.port_src = rte_be_to_cpu_16(udp->src_port);
623 /* Find destination port */
624 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
625 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
628 static inline uint16_t
629 get_ipv6_dst_port(struct rte_ipv6_hdr *ipv6_hdr, uint16_t portid,
630 lookup_struct_t *ipv6_l3fwd_lookup_struct)
632 struct ipv6_5tuple key;
633 struct rte_tcp_hdr *tcp;
634 struct rte_udp_hdr *udp;
637 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
638 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
640 key.proto = ipv6_hdr->proto;
642 switch (ipv6_hdr->proto) {
644 tcp = (struct rte_tcp_hdr *)((unsigned char *) ipv6_hdr +
645 sizeof(struct rte_ipv6_hdr));
646 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
647 key.port_src = rte_be_to_cpu_16(tcp->src_port);
651 udp = (struct rte_udp_hdr *)((unsigned char *) ipv6_hdr +
652 sizeof(struct rte_ipv6_hdr));
653 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
654 key.port_src = rte_be_to_cpu_16(udp->src_port);
663 /* Find destination port */
664 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
665 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
669 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
670 static inline uint16_t
671 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
672 lookup_struct_t *ipv4_l3fwd_lookup_struct)
676 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
677 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
683 parse_ptype_one(struct rte_mbuf *m)
685 struct rte_ether_hdr *eth_hdr;
686 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
689 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
690 ether_type = eth_hdr->ether_type;
691 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
692 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
693 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
694 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
696 m->packet_type = packet_type;
700 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
701 struct rte_mbuf *pkts[], uint16_t nb_pkts,
702 uint16_t max_pkts __rte_unused,
703 void *user_param __rte_unused)
707 for (i = 0; i < nb_pkts; ++i)
708 parse_ptype_one(pkts[i]);
714 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
716 printf("Port %d: softly parse packet type info\n", portid);
717 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
720 printf("Failed to add rx callback: port=%d\n", portid);
725 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
726 struct lcore_conf *qconf)
728 struct rte_ether_hdr *eth_hdr;
729 struct rte_ipv4_hdr *ipv4_hdr;
733 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
735 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
736 /* Handle IPv4 headers.*/
738 rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
739 sizeof(struct rte_ether_hdr));
741 #ifdef DO_RFC_1812_CHECKS
742 /* Check to make sure the packet is valid (RFC1812) */
743 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
749 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
750 qconf->ipv4_lookup_struct);
751 if (dst_port >= RTE_MAX_ETHPORTS ||
752 (enabled_port_mask & 1 << dst_port) == 0)
755 /* 02:00:00:00:00:xx */
756 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
757 *((uint64_t *)d_addr_bytes) =
758 0x000000000002 + ((uint64_t)dst_port << 40);
760 #ifdef DO_RFC_1812_CHECKS
761 /* Update time to live and header checksum */
762 --(ipv4_hdr->time_to_live);
763 ++(ipv4_hdr->hdr_checksum);
767 rte_ether_addr_copy(&ports_eth_addr[dst_port],
770 send_single_packet(m, dst_port);
771 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
772 /* Handle IPv6 headers.*/
773 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
774 struct rte_ipv6_hdr *ipv6_hdr;
777 rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
778 sizeof(struct rte_ether_hdr));
780 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
781 qconf->ipv6_lookup_struct);
783 if (dst_port >= RTE_MAX_ETHPORTS ||
784 (enabled_port_mask & 1 << dst_port) == 0)
787 /* 02:00:00:00:00:xx */
788 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
789 *((uint64_t *)d_addr_bytes) =
790 0x000000000002 + ((uint64_t)dst_port << 40);
793 rte_ether_addr_copy(&ports_eth_addr[dst_port],
796 send_single_packet(m, dst_port);
798 /* We don't currently handle IPv6 packets in LPM mode. */
806 #define MINIMUM_SLEEP_TIME 1
807 #define SUSPEND_THRESHOLD 300
809 static inline uint32_t
810 power_idle_heuristic(uint32_t zero_rx_packet_count)
812 /* If zero count is less than 100, sleep 1us */
813 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
814 return MINIMUM_SLEEP_TIME;
815 /* If zero count is less than 1000, sleep 100 us which is the
816 minimum latency switching from C3/C6 to C0
819 return SUSPEND_THRESHOLD;
822 static inline enum freq_scale_hint_t
823 power_freq_scaleup_heuristic(unsigned lcore_id,
827 uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
829 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
832 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
833 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
834 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
835 #define FREQ_UP_TREND1_ACC 1
836 #define FREQ_UP_TREND2_ACC 100
837 #define FREQ_UP_THRESHOLD 10000
839 if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
840 stats[lcore_id].trend = 0;
842 } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
843 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
844 else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
845 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
847 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
848 stats[lcore_id].trend = 0;
856 * force polling thread sleep until one-shot rx interrupt triggers
865 sleep_until_rx_interrupt(int num)
867 struct rte_epoll_event event[num];
873 RTE_LOG(INFO, L3FWD_POWER,
874 "lcore %u sleeps until interrupt triggers\n",
877 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
878 for (i = 0; i < n; i++) {
879 data = event[i].epdata.data;
880 port_id = ((uintptr_t)data) >> CHAR_BIT;
881 queue_id = ((uintptr_t)data) &
882 RTE_LEN2MASK(CHAR_BIT, uint8_t);
883 rte_spinlock_lock(&(locks[port_id]));
884 rte_eth_dev_rx_intr_disable(port_id, queue_id);
885 rte_spinlock_unlock(&(locks[port_id]));
886 RTE_LOG(INFO, L3FWD_POWER,
887 "lcore %u is waked up from rx interrupt on"
888 " port %d queue %d\n",
889 rte_lcore_id(), port_id, queue_id);
895 static void turn_on_intr(struct lcore_conf *qconf)
898 struct lcore_rx_queue *rx_queue;
902 for (i = 0; i < qconf->n_rx_queue; ++i) {
903 rx_queue = &(qconf->rx_queue_list[i]);
904 port_id = rx_queue->port_id;
905 queue_id = rx_queue->queue_id;
907 rte_spinlock_lock(&(locks[port_id]));
908 rte_eth_dev_rx_intr_enable(port_id, queue_id);
909 rte_spinlock_unlock(&(locks[port_id]));
913 static int event_register(struct lcore_conf *qconf)
915 struct lcore_rx_queue *rx_queue;
922 for (i = 0; i < qconf->n_rx_queue; ++i) {
923 rx_queue = &(qconf->rx_queue_list[i]);
924 portid = rx_queue->port_id;
925 queueid = rx_queue->queue_id;
926 data = portid << CHAR_BIT | queueid;
928 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
929 RTE_EPOLL_PER_THREAD,
931 (void *)((uintptr_t)data));
938 /* main processing loop */
940 main_telemetry_loop(__attribute__((unused)) void *dummy)
942 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
943 unsigned int lcore_id;
944 uint64_t prev_tsc, diff_tsc, cur_tsc, prev_tel_tsc;
948 struct lcore_conf *qconf;
949 struct lcore_rx_queue *rx_queue;
950 uint64_t ep_nep[2] = {0}, fp_nfp[2] = {0};
954 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
955 US_PER_S * BURST_TX_DRAIN_US;
961 lcore_id = rte_lcore_id();
962 qconf = &lcore_conf[lcore_id];
964 if (qconf->n_rx_queue == 0) {
965 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
970 RTE_LOG(INFO, L3FWD_POWER, "entering main telemetry loop on lcore %u\n",
973 for (i = 0; i < qconf->n_rx_queue; i++) {
974 portid = qconf->rx_queue_list[i].port_id;
975 queueid = qconf->rx_queue_list[i].queue_id;
976 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
977 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
982 cur_tsc = rte_rdtsc();
984 * TX burst queue drain
986 diff_tsc = cur_tsc - prev_tsc;
987 if (unlikely(diff_tsc > drain_tsc)) {
988 for (i = 0; i < qconf->n_tx_port; ++i) {
989 portid = qconf->tx_port_id[i];
990 rte_eth_tx_buffer_flush(portid,
991 qconf->tx_queue_id[portid],
992 qconf->tx_buffer[portid]);
998 * Read packet from RX queues
1000 for (i = 0; i < qconf->n_rx_queue; ++i) {
1001 rx_queue = &(qconf->rx_queue_list[i]);
1002 portid = rx_queue->port_id;
1003 queueid = rx_queue->queue_id;
1005 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1007 ep_nep[nb_rx == 0]++;
1008 fp_nfp[nb_rx == MAX_PKT_BURST]++;
1010 if (unlikely(nb_rx == 0))
1013 /* Prefetch first packets */
1014 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1015 rte_prefetch0(rte_pktmbuf_mtod(
1016 pkts_burst[j], void *));
1019 /* Prefetch and forward already prefetched packets */
1020 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1021 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1022 j + PREFETCH_OFFSET], void *));
1023 l3fwd_simple_forward(pkts_burst[j], portid,
1027 /* Forward remaining prefetched packets */
1028 for (; j < nb_rx; j++) {
1029 l3fwd_simple_forward(pkts_burst[j], portid,
1033 if (unlikely(poll_count >= DEFAULT_COUNT)) {
1034 diff_tsc = cur_tsc - prev_tel_tsc;
1035 if (diff_tsc >= MAX_CYCLES) {
1037 } else if (diff_tsc > MIN_CYCLES &&
1038 diff_tsc < MAX_CYCLES) {
1039 br = (diff_tsc * 100) / MAX_CYCLES;
1044 prev_tel_tsc = cur_tsc;
1045 /* update stats for telemetry */
1046 rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
1047 stats[lcore_id].ep_nep[0] = ep_nep[0];
1048 stats[lcore_id].ep_nep[1] = ep_nep[1];
1049 stats[lcore_id].fp_nfp[0] = fp_nfp[0];
1050 stats[lcore_id].fp_nfp[1] = fp_nfp[1];
1051 stats[lcore_id].br = br;
1052 rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
1058 /* main processing loop */
1060 main_empty_poll_loop(__attribute__((unused)) void *dummy)
1062 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1063 unsigned int lcore_id;
1064 uint64_t prev_tsc, diff_tsc, cur_tsc;
1068 struct lcore_conf *qconf;
1069 struct lcore_rx_queue *rx_queue;
1071 const uint64_t drain_tsc =
1072 (rte_get_tsc_hz() + US_PER_S - 1) /
1073 US_PER_S * BURST_TX_DRAIN_US;
1077 lcore_id = rte_lcore_id();
1078 qconf = &lcore_conf[lcore_id];
1080 if (qconf->n_rx_queue == 0) {
1081 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
1086 for (i = 0; i < qconf->n_rx_queue; i++) {
1087 portid = qconf->rx_queue_list[i].port_id;
1088 queueid = qconf->rx_queue_list[i].queue_id;
1089 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
1090 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
1093 while (!is_done()) {
1094 stats[lcore_id].nb_iteration_looped++;
1096 cur_tsc = rte_rdtsc();
1098 * TX burst queue drain
1100 diff_tsc = cur_tsc - prev_tsc;
1101 if (unlikely(diff_tsc > drain_tsc)) {
1102 for (i = 0; i < qconf->n_tx_port; ++i) {
1103 portid = qconf->tx_port_id[i];
1104 rte_eth_tx_buffer_flush(portid,
1105 qconf->tx_queue_id[portid],
1106 qconf->tx_buffer[portid]);
1112 * Read packet from RX queues
1114 for (i = 0; i < qconf->n_rx_queue; ++i) {
1115 rx_queue = &(qconf->rx_queue_list[i]);
1116 rx_queue->idle_hint = 0;
1117 portid = rx_queue->port_id;
1118 queueid = rx_queue->queue_id;
1120 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1123 stats[lcore_id].nb_rx_processed += nb_rx;
1127 rte_power_empty_poll_stat_update(lcore_id);
1131 rte_power_poll_stat_update(lcore_id, nb_rx);
1135 /* Prefetch first packets */
1136 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1137 rte_prefetch0(rte_pktmbuf_mtod(
1138 pkts_burst[j], void *));
1141 /* Prefetch and forward already prefetched packets */
1142 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1143 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1144 j + PREFETCH_OFFSET],
1146 l3fwd_simple_forward(pkts_burst[j], portid,
1150 /* Forward remaining prefetched packets */
1151 for (; j < nb_rx; j++) {
1152 l3fwd_simple_forward(pkts_burst[j], portid,
1162 /* main processing loop */
1164 main_loop(__attribute__((unused)) void *dummy)
1166 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1168 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
1169 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
1173 struct lcore_conf *qconf;
1174 struct lcore_rx_queue *rx_queue;
1175 enum freq_scale_hint_t lcore_scaleup_hint;
1176 uint32_t lcore_rx_idle_count = 0;
1177 uint32_t lcore_idle_hint = 0;
1180 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
1183 hz = rte_get_timer_hz();
1184 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
1186 lcore_id = rte_lcore_id();
1187 qconf = &lcore_conf[lcore_id];
1189 if (qconf->n_rx_queue == 0) {
1190 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
1194 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
1196 for (i = 0; i < qconf->n_rx_queue; i++) {
1197 portid = qconf->rx_queue_list[i].port_id;
1198 queueid = qconf->rx_queue_list[i].queue_id;
1199 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
1200 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
1203 /* add into event wait list */
1204 if (event_register(qconf) == 0)
1207 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
1210 stats[lcore_id].nb_iteration_looped++;
1212 cur_tsc = rte_rdtsc();
1213 cur_tsc_power = cur_tsc;
1216 * TX burst queue drain
1218 diff_tsc = cur_tsc - prev_tsc;
1219 if (unlikely(diff_tsc > drain_tsc)) {
1220 for (i = 0; i < qconf->n_tx_port; ++i) {
1221 portid = qconf->tx_port_id[i];
1222 rte_eth_tx_buffer_flush(portid,
1223 qconf->tx_queue_id[portid],
1224 qconf->tx_buffer[portid]);
1229 diff_tsc_power = cur_tsc_power - prev_tsc_power;
1230 if (diff_tsc_power > tim_res_tsc) {
1232 prev_tsc_power = cur_tsc_power;
1237 * Read packet from RX queues
1239 lcore_scaleup_hint = FREQ_CURRENT;
1240 lcore_rx_idle_count = 0;
1241 for (i = 0; i < qconf->n_rx_queue; ++i) {
1242 rx_queue = &(qconf->rx_queue_list[i]);
1243 rx_queue->idle_hint = 0;
1244 portid = rx_queue->port_id;
1245 queueid = rx_queue->queue_id;
1247 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1250 stats[lcore_id].nb_rx_processed += nb_rx;
1251 if (unlikely(nb_rx == 0)) {
1253 * no packet received from rx queue, try to
1254 * sleep for a while forcing CPU enter deeper
1257 rx_queue->zero_rx_packet_count++;
1259 if (rx_queue->zero_rx_packet_count <=
1260 MIN_ZERO_POLL_COUNT)
1263 rx_queue->idle_hint = power_idle_heuristic(\
1264 rx_queue->zero_rx_packet_count);
1265 lcore_rx_idle_count++;
1267 rx_queue->zero_rx_packet_count = 0;
1270 * do not scale up frequency immediately as
1271 * user to kernel space communication is costly
1272 * which might impact packet I/O for received
1275 rx_queue->freq_up_hint =
1276 power_freq_scaleup_heuristic(lcore_id,
1280 /* Prefetch first packets */
1281 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1282 rte_prefetch0(rte_pktmbuf_mtod(
1283 pkts_burst[j], void *));
1286 /* Prefetch and forward already prefetched packets */
1287 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1288 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1289 j + PREFETCH_OFFSET], void *));
1290 l3fwd_simple_forward(pkts_burst[j], portid,
1294 /* Forward remaining prefetched packets */
1295 for (; j < nb_rx; j++) {
1296 l3fwd_simple_forward(pkts_burst[j], portid,
1301 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1302 for (i = 1, lcore_scaleup_hint =
1303 qconf->rx_queue_list[0].freq_up_hint;
1304 i < qconf->n_rx_queue; ++i) {
1305 rx_queue = &(qconf->rx_queue_list[i]);
1306 if (rx_queue->freq_up_hint >
1308 lcore_scaleup_hint =
1309 rx_queue->freq_up_hint;
1312 if (lcore_scaleup_hint == FREQ_HIGHEST) {
1313 if (rte_power_freq_max)
1314 rte_power_freq_max(lcore_id);
1315 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1316 if (rte_power_freq_up)
1317 rte_power_freq_up(lcore_id);
1321 * All Rx queues empty in recent consecutive polls,
1322 * sleep in a conservative manner, meaning sleep as
1325 for (i = 1, lcore_idle_hint =
1326 qconf->rx_queue_list[0].idle_hint;
1327 i < qconf->n_rx_queue; ++i) {
1328 rx_queue = &(qconf->rx_queue_list[i]);
1329 if (rx_queue->idle_hint < lcore_idle_hint)
1330 lcore_idle_hint = rx_queue->idle_hint;
1333 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1335 * execute "pause" instruction to avoid context
1336 * switch which generally take hundred of
1337 * microseconds for short sleep.
1339 rte_delay_us(lcore_idle_hint);
1341 /* suspend until rx interrupt trigges */
1343 turn_on_intr(qconf);
1344 sleep_until_rx_interrupt(
1347 * start receiving packets immediately
1352 stats[lcore_id].sleep_time += lcore_idle_hint;
1358 check_lcore_params(void)
1360 uint8_t queue, lcore;
1364 for (i = 0; i < nb_lcore_params; ++i) {
1365 queue = lcore_params[i].queue_id;
1366 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1367 printf("invalid queue number: %hhu\n", queue);
1370 lcore = lcore_params[i].lcore_id;
1371 if (!rte_lcore_is_enabled(lcore)) {
1372 printf("error: lcore %hhu is not enabled in lcore "
1376 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1378 printf("warning: lcore %hhu is on socket %d with numa "
1379 "off\n", lcore, socketid);
1381 if (app_mode == APP_MODE_TELEMETRY && lcore == rte_lcore_id()) {
1382 printf("cannot enable master core %d in config for telemetry mode\n",
1391 check_port_config(void)
1396 for (i = 0; i < nb_lcore_params; ++i) {
1397 portid = lcore_params[i].port_id;
1398 if ((enabled_port_mask & (1 << portid)) == 0) {
1399 printf("port %u is not enabled in port mask\n",
1403 if (!rte_eth_dev_is_valid_port(portid)) {
1404 printf("port %u is not present on the board\n",
1413 get_port_n_rx_queues(const uint16_t port)
1418 for (i = 0; i < nb_lcore_params; ++i) {
1419 if (lcore_params[i].port_id == port &&
1420 lcore_params[i].queue_id > queue)
1421 queue = lcore_params[i].queue_id;
1423 return (uint8_t)(++queue);
1427 init_lcore_rx_queues(void)
1429 uint16_t i, nb_rx_queue;
1432 for (i = 0; i < nb_lcore_params; ++i) {
1433 lcore = lcore_params[i].lcore_id;
1434 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1435 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1436 printf("error: too many queues (%u) for lcore: %u\n",
1437 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1440 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1441 lcore_params[i].port_id;
1442 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1443 lcore_params[i].queue_id;
1444 lcore_conf[lcore].n_rx_queue++;
1452 print_usage(const char *prgname)
1454 printf ("%s [EAL options] -- -p PORTMASK -P"
1455 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1456 " [--high-perf-cores CORELIST"
1457 " [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]"
1458 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1459 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1460 " -P : enable promiscuous mode\n"
1461 " --config (port,queue,lcore): rx queues configuration\n"
1462 " --high-perf-cores CORELIST: list of high performance cores\n"
1463 " --perf-config: similar as config, cores specified as indices"
1464 " for bins containing high or regular performance cores\n"
1465 " --no-numa: optional, disable numa awareness\n"
1466 " --enable-jumbo: enable jumbo frame"
1467 " which max packet len is PKTLEN in decimal (64-9600)\n"
1468 " --parse-ptype: parse packet type by software\n"
1469 " --empty-poll: enable empty poll detection"
1470 " follow (training_flag, high_threshold, med_threshold)\n"
1471 " --telemetry: enable telemetry mode, to update"
1472 " empty polls, full polls, and core busyness to telemetry\n",
1476 static int parse_max_pkt_len(const char *pktlen)
1481 /* parse decimal string */
1482 len = strtoul(pktlen, &end, 10);
1483 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1493 parse_portmask(const char *portmask)
1498 /* parse hexadecimal string */
1499 pm = strtoul(portmask, &end, 16);
1500 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1510 parse_config(const char *q_arg)
1513 const char *p, *p0 = q_arg;
1521 unsigned long int_fld[_NUM_FLD];
1522 char *str_fld[_NUM_FLD];
1526 nb_lcore_params = 0;
1528 while ((p = strchr(p0,'(')) != NULL) {
1530 if((p0 = strchr(p,')')) == NULL)
1534 if(size >= sizeof(s))
1537 snprintf(s, sizeof(s), "%.*s", size, p);
1538 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1541 for (i = 0; i < _NUM_FLD; i++){
1543 int_fld[i] = strtoul(str_fld[i], &end, 0);
1544 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1548 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1549 printf("exceeded max number of lcore params: %hu\n",
1553 lcore_params_array[nb_lcore_params].port_id =
1554 (uint8_t)int_fld[FLD_PORT];
1555 lcore_params_array[nb_lcore_params].queue_id =
1556 (uint8_t)int_fld[FLD_QUEUE];
1557 lcore_params_array[nb_lcore_params].lcore_id =
1558 (uint8_t)int_fld[FLD_LCORE];
1561 lcore_params = lcore_params_array;
1566 parse_ep_config(const char *q_arg)
1569 const char *p = q_arg;
1579 ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
1580 ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
1582 strlcpy(s, p, sizeof(s));
1584 num_arg = rte_strsplit(s, sizeof(s), str_fld, 3, ',');
1586 empty_poll_train = false;
1593 training_flag = strtoul(str_fld[0], &end, 0);
1594 med_edpi = strtoul(str_fld[1], &end, 0);
1595 hgh_edpi = strtoul(str_fld[2], &end, 0);
1597 if (training_flag == 1)
1598 empty_poll_train = true;
1601 ep_med_edpi = med_edpi;
1604 ep_hgh_edpi = hgh_edpi;
1614 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1615 #define CMD_LINE_OPT_TELEMETRY "telemetry"
1617 /* Parse the argument given in the command line of the application */
1619 parse_args(int argc, char **argv)
1625 char *prgname = argv[0];
1626 static struct option lgopts[] = {
1627 {"config", 1, 0, 0},
1628 {"perf-config", 1, 0, 0},
1629 {"high-perf-cores", 1, 0, 0},
1630 {"no-numa", 0, 0, 0},
1631 {"enable-jumbo", 0, 0, 0},
1632 {"empty-poll", 1, 0, 0},
1633 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1634 {CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
1640 while ((opt = getopt_long(argc, argvopt, "p:l:m:h:P",
1641 lgopts, &option_index)) != EOF) {
1646 enabled_port_mask = parse_portmask(optarg);
1647 if (enabled_port_mask == 0) {
1648 printf("invalid portmask\n");
1649 print_usage(prgname);
1654 printf("Promiscuous mode selected\n");
1658 limit = parse_max_pkt_len(optarg);
1659 freq_tlb[LOW] = limit;
1662 limit = parse_max_pkt_len(optarg);
1663 freq_tlb[MED] = limit;
1666 limit = parse_max_pkt_len(optarg);
1667 freq_tlb[HGH] = limit;
1671 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1672 ret = parse_config(optarg);
1674 printf("invalid config\n");
1675 print_usage(prgname);
1680 if (!strncmp(lgopts[option_index].name,
1681 "perf-config", 11)) {
1682 ret = parse_perf_config(optarg);
1684 printf("invalid perf-config\n");
1685 print_usage(prgname);
1690 if (!strncmp(lgopts[option_index].name,
1691 "high-perf-cores", 15)) {
1692 ret = parse_perf_core_list(optarg);
1694 printf("invalid high-perf-cores\n");
1695 print_usage(prgname);
1700 if (!strncmp(lgopts[option_index].name,
1702 printf("numa is disabled \n");
1706 if (!strncmp(lgopts[option_index].name,
1707 "empty-poll", 10)) {
1708 if (app_mode == APP_MODE_TELEMETRY) {
1709 printf(" empty-poll cannot be enabled as telemetry mode is enabled\n");
1712 app_mode = APP_MODE_EMPTY_POLL;
1713 ret = parse_ep_config(optarg);
1716 printf("invalid empty poll config\n");
1717 print_usage(prgname);
1720 printf("empty-poll is enabled\n");
1723 if (!strncmp(lgopts[option_index].name,
1724 CMD_LINE_OPT_TELEMETRY,
1725 sizeof(CMD_LINE_OPT_TELEMETRY))) {
1726 if (app_mode == APP_MODE_EMPTY_POLL) {
1727 printf("telemetry mode cannot be enabled as empty poll mode is enabled\n");
1730 app_mode = APP_MODE_TELEMETRY;
1731 printf("telemetry mode is enabled\n");
1734 if (!strncmp(lgopts[option_index].name,
1735 "enable-jumbo", 12)) {
1736 struct option lenopts =
1737 {"max-pkt-len", required_argument, \
1740 printf("jumbo frame is enabled \n");
1741 port_conf.rxmode.offloads |=
1742 DEV_RX_OFFLOAD_JUMBO_FRAME;
1743 port_conf.txmode.offloads |=
1744 DEV_TX_OFFLOAD_MULTI_SEGS;
1747 * if no max-pkt-len set, use the default value
1750 if (0 == getopt_long(argc, argvopt, "",
1751 &lenopts, &option_index)) {
1752 ret = parse_max_pkt_len(optarg);
1754 (ret > MAX_JUMBO_PKT_LEN)){
1755 printf("invalid packet "
1757 print_usage(prgname);
1760 port_conf.rxmode.max_rx_pkt_len = ret;
1762 printf("set jumbo frame "
1763 "max packet length to %u\n",
1764 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1767 if (!strncmp(lgopts[option_index].name,
1768 CMD_LINE_OPT_PARSE_PTYPE,
1769 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1770 printf("soft parse-ptype is enabled\n");
1777 print_usage(prgname);
1783 argv[optind-1] = prgname;
1786 optind = 1; /* reset getopt lib */
1791 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1793 char buf[RTE_ETHER_ADDR_FMT_SIZE];
1794 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1795 printf("%s%s", name, buf);
1798 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1800 setup_hash(int socketid)
1802 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1804 .entries = L3FWD_HASH_ENTRIES,
1805 .key_len = sizeof(struct ipv4_5tuple),
1806 .hash_func = DEFAULT_HASH_FUNC,
1807 .hash_func_init_val = 0,
1810 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1812 .entries = L3FWD_HASH_ENTRIES,
1813 .key_len = sizeof(struct ipv6_5tuple),
1814 .hash_func = DEFAULT_HASH_FUNC,
1815 .hash_func_init_val = 0,
1822 /* create ipv4 hash */
1823 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1824 ipv4_l3fwd_hash_params.name = s;
1825 ipv4_l3fwd_hash_params.socket_id = socketid;
1826 ipv4_l3fwd_lookup_struct[socketid] =
1827 rte_hash_create(&ipv4_l3fwd_hash_params);
1828 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1829 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1830 "socket %d\n", socketid);
1832 /* create ipv6 hash */
1833 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1834 ipv6_l3fwd_hash_params.name = s;
1835 ipv6_l3fwd_hash_params.socket_id = socketid;
1836 ipv6_l3fwd_lookup_struct[socketid] =
1837 rte_hash_create(&ipv6_l3fwd_hash_params);
1838 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1839 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1840 "socket %d\n", socketid);
1843 /* populate the ipv4 hash */
1844 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1845 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1846 (void *) &ipv4_l3fwd_route_array[i].key);
1848 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1849 "l3fwd hash on socket %d\n", i, socketid);
1851 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1852 printf("Hash: Adding key\n");
1853 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1856 /* populate the ipv6 hash */
1857 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1858 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1859 (void *) &ipv6_l3fwd_route_array[i].key);
1861 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1862 "l3fwd hash on socket %d\n", i, socketid);
1864 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1865 printf("Hash: Adding key\n");
1866 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1871 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1873 setup_lpm(int socketid)
1879 /* create the LPM table */
1880 struct rte_lpm_config lpm_ipv4_config;
1882 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1883 lpm_ipv4_config.number_tbl8s = 256;
1884 lpm_ipv4_config.flags = 0;
1886 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1887 ipv4_l3fwd_lookup_struct[socketid] =
1888 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1889 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1890 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1891 " on socket %d\n", socketid);
1893 /* populate the LPM table */
1894 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1895 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1896 ipv4_l3fwd_route_array[i].ip,
1897 ipv4_l3fwd_route_array[i].depth,
1898 ipv4_l3fwd_route_array[i].if_out);
1901 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1902 "l3fwd LPM table on socket %d\n",
1906 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1907 (unsigned)ipv4_l3fwd_route_array[i].ip,
1908 ipv4_l3fwd_route_array[i].depth,
1909 ipv4_l3fwd_route_array[i].if_out);
1915 init_mem(unsigned nb_mbuf)
1917 struct lcore_conf *qconf;
1922 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1923 if (rte_lcore_is_enabled(lcore_id) == 0)
1927 socketid = rte_lcore_to_socket_id(lcore_id);
1931 if (socketid >= NB_SOCKETS) {
1932 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1933 "out of range %d\n", socketid,
1934 lcore_id, NB_SOCKETS);
1936 if (pktmbuf_pool[socketid] == NULL) {
1937 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1938 pktmbuf_pool[socketid] =
1939 rte_pktmbuf_pool_create(s, nb_mbuf,
1940 MEMPOOL_CACHE_SIZE, 0,
1941 RTE_MBUF_DEFAULT_BUF_SIZE,
1943 if (pktmbuf_pool[socketid] == NULL)
1944 rte_exit(EXIT_FAILURE,
1945 "Cannot init mbuf pool on socket %d\n",
1948 printf("Allocated mbuf pool on socket %d\n",
1951 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1952 setup_lpm(socketid);
1954 setup_hash(socketid);
1957 qconf = &lcore_conf[lcore_id];
1958 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1959 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1960 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1966 /* Check the link status of all ports in up to 9s, and print them finally */
1968 check_all_ports_link_status(uint32_t port_mask)
1970 #define CHECK_INTERVAL 100 /* 100ms */
1971 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1972 uint8_t count, all_ports_up, print_flag = 0;
1974 struct rte_eth_link link;
1977 printf("\nChecking link status");
1979 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1981 RTE_ETH_FOREACH_DEV(portid) {
1982 if ((port_mask & (1 << portid)) == 0)
1984 memset(&link, 0, sizeof(link));
1985 ret = rte_eth_link_get_nowait(portid, &link);
1988 if (print_flag == 1)
1989 printf("Port %u link get failed: %s\n",
1990 portid, rte_strerror(-ret));
1993 /* print link status if flag set */
1994 if (print_flag == 1) {
1995 if (link.link_status)
1996 printf("Port %d Link Up - speed %u "
1997 "Mbps - %s\n", (uint8_t)portid,
1998 (unsigned)link.link_speed,
1999 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
2000 ("full-duplex") : ("half-duplex\n"));
2002 printf("Port %d Link Down\n",
2006 /* clear all_ports_up flag if any link down */
2007 if (link.link_status == ETH_LINK_DOWN) {
2012 /* after finally printing all link status, get out */
2013 if (print_flag == 1)
2016 if (all_ports_up == 0) {
2019 rte_delay_ms(CHECK_INTERVAL);
2022 /* set the print_flag if all ports up or timeout */
2023 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
2030 static int check_ptype(uint16_t portid)
2033 int ptype_l3_ipv4 = 0;
2034 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2035 int ptype_l3_ipv6 = 0;
2037 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
2039 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
2043 uint32_t ptypes[ret];
2045 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
2046 for (i = 0; i < ret; ++i) {
2047 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
2049 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2050 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
2055 if (ptype_l3_ipv4 == 0)
2056 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
2058 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2059 if (ptype_l3_ipv6 == 0)
2060 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
2063 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
2065 #else /* APP_LOOKUP_EXACT_MATCH */
2066 if (ptype_l3_ipv4 && ptype_l3_ipv6)
2075 init_power_library(void)
2077 int ret = 0, lcore_id;
2078 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2079 if (rte_lcore_is_enabled(lcore_id)) {
2080 /* init power management library */
2081 ret = rte_power_init(lcore_id);
2084 "Library initialization failed on core %u\n",
2091 update_telemetry(__attribute__((unused)) struct rte_timer *tim,
2092 __attribute__((unused)) void *arg)
2094 unsigned int lcore_id = rte_lcore_id();
2095 struct lcore_conf *qconf;
2096 uint64_t app_eps = 0, app_fps = 0, app_br = 0;
2097 uint64_t values[3] = {0};
2101 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2102 qconf = &lcore_conf[lcore_id];
2103 if (qconf->n_rx_queue == 0)
2106 rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
2107 app_eps += stats[lcore_id].ep_nep[1];
2108 app_fps += stats[lcore_id].fp_nfp[1];
2109 app_br += stats[lcore_id].br;
2110 rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
2114 values[0] = app_eps/count;
2115 values[1] = app_fps/count;
2116 values[2] = app_br/count;
2123 ret = rte_metrics_update_values(RTE_METRICS_GLOBAL, telstats_index,
2124 values, RTE_DIM(values));
2126 RTE_LOG(WARNING, POWER, "failed to update metrcis\n");
2129 telemetry_setup_timer(void)
2131 int lcore_id = rte_lcore_id();
2132 uint64_t hz = rte_get_timer_hz();
2135 ticks = hz / TELEMETRY_INTERVALS_PER_SEC;
2136 rte_timer_reset_sync(&telemetry_timer,
2144 empty_poll_setup_timer(void)
2146 int lcore_id = rte_lcore_id();
2147 uint64_t hz = rte_get_timer_hz();
2149 struct ep_params *ep_ptr = ep_params;
2151 ep_ptr->interval_ticks = hz / INTERVALS_PER_SECOND;
2153 rte_timer_reset_sync(&ep_ptr->timer0,
2154 ep_ptr->interval_ticks,
2157 rte_empty_poll_detection,
2162 launch_timer(unsigned int lcore_id)
2164 int64_t prev_tsc = 0, cur_tsc, diff_tsc, cycles_10ms;
2166 RTE_SET_USED(lcore_id);
2169 if (rte_get_master_lcore() != lcore_id) {
2170 rte_panic("timer on lcore:%d which is not master core:%d\n",
2172 rte_get_master_lcore());
2175 RTE_LOG(INFO, POWER, "Bring up the Timer\n");
2177 if (app_mode == APP_MODE_EMPTY_POLL)
2178 empty_poll_setup_timer();
2180 telemetry_setup_timer();
2182 cycles_10ms = rte_get_timer_hz() / 100;
2184 while (!is_done()) {
2185 cur_tsc = rte_rdtsc();
2186 diff_tsc = cur_tsc - prev_tsc;
2187 if (diff_tsc > cycles_10ms) {
2190 cycles_10ms = rte_get_timer_hz() / 100;
2194 RTE_LOG(INFO, POWER, "Timer_subsystem is done\n");
2201 main(int argc, char **argv)
2203 struct lcore_conf *qconf;
2204 struct rte_eth_dev_info dev_info;
2205 struct rte_eth_txconf *txconf;
2211 uint32_t n_tx_queue, nb_lcores;
2212 uint32_t dev_rxq_num, dev_txq_num;
2213 uint8_t nb_rx_queue, queue, socketid;
2215 uint8_t num_telstats = RTE_DIM(telstats_strings);
2216 const char *ptr_strings[num_telstats];
2218 /* catch SIGINT and restore cpufreq governor to ondemand */
2219 signal(SIGINT, signal_exit_now);
2222 ret = rte_eal_init(argc, argv);
2224 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2228 /* init RTE timer library to be used late */
2229 rte_timer_subsystem_init();
2231 /* parse application arguments (after the EAL ones) */
2232 ret = parse_args(argc, argv);
2234 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
2236 if (init_power_library())
2237 RTE_LOG(ERR, L3FWD_POWER, "init_power_library failed\n");
2239 if (update_lcore_params() < 0)
2240 rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
2242 if (check_lcore_params() < 0)
2243 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
2245 ret = init_lcore_rx_queues();
2247 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2249 nb_ports = rte_eth_dev_count_avail();
2251 if (check_port_config() < 0)
2252 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
2254 nb_lcores = rte_lcore_count();
2256 /* initialize all ports */
2257 RTE_ETH_FOREACH_DEV(portid) {
2258 struct rte_eth_conf local_port_conf = port_conf;
2260 /* skip ports that are not enabled */
2261 if ((enabled_port_mask & (1 << portid)) == 0) {
2262 printf("\nSkipping disabled port %d\n", portid);
2267 printf("Initializing port %d ... ", portid );
2270 ret = rte_eth_dev_info_get(portid, &dev_info);
2272 rte_exit(EXIT_FAILURE,
2273 "Error during getting device (port %u) info: %s\n",
2274 portid, strerror(-ret));
2276 dev_rxq_num = dev_info.max_rx_queues;
2277 dev_txq_num = dev_info.max_tx_queues;
2279 nb_rx_queue = get_port_n_rx_queues(portid);
2280 if (nb_rx_queue > dev_rxq_num)
2281 rte_exit(EXIT_FAILURE,
2282 "Cannot configure not existed rxq: "
2283 "port=%d\n", portid);
2285 n_tx_queue = nb_lcores;
2286 if (n_tx_queue > dev_txq_num)
2287 n_tx_queue = dev_txq_num;
2288 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
2289 nb_rx_queue, (unsigned)n_tx_queue );
2290 /* If number of Rx queue is 0, no need to enable Rx interrupt */
2291 if (nb_rx_queue == 0)
2292 local_port_conf.intr_conf.rxq = 0;
2294 ret = rte_eth_dev_info_get(portid, &dev_info);
2296 rte_exit(EXIT_FAILURE,
2297 "Error during getting device (port %u) info: %s\n",
2298 portid, strerror(-ret));
2300 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2301 local_port_conf.txmode.offloads |=
2302 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2304 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
2305 dev_info.flow_type_rss_offloads;
2306 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
2307 port_conf.rx_adv_conf.rss_conf.rss_hf) {
2308 printf("Port %u modified RSS hash function based on hardware support,"
2309 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
2311 port_conf.rx_adv_conf.rss_conf.rss_hf,
2312 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
2315 ret = rte_eth_dev_configure(portid, nb_rx_queue,
2316 (uint16_t)n_tx_queue, &local_port_conf);
2318 rte_exit(EXIT_FAILURE, "Cannot configure device: "
2319 "err=%d, port=%d\n", ret, portid);
2321 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2324 rte_exit(EXIT_FAILURE,
2325 "Cannot adjust number of descriptors: err=%d, port=%d\n",
2328 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
2330 rte_exit(EXIT_FAILURE,
2331 "Cannot get MAC address: err=%d, port=%d\n",
2334 print_ethaddr(" Address:", &ports_eth_addr[portid]);
2338 ret = init_mem(NB_MBUF);
2340 rte_exit(EXIT_FAILURE, "init_mem failed\n");
2342 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2343 if (rte_lcore_is_enabled(lcore_id) == 0)
2346 /* Initialize TX buffers */
2347 qconf = &lcore_conf[lcore_id];
2348 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
2349 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
2350 rte_eth_dev_socket_id(portid));
2351 if (qconf->tx_buffer[portid] == NULL)
2352 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
2355 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
2358 /* init one TX queue per couple (lcore,port) */
2360 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2361 if (rte_lcore_is_enabled(lcore_id) == 0)
2364 if (queueid >= dev_txq_num)
2369 (uint8_t)rte_lcore_to_socket_id(lcore_id);
2373 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2376 txconf = &dev_info.default_txconf;
2377 txconf->offloads = local_port_conf.txmode.offloads;
2378 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2381 rte_exit(EXIT_FAILURE,
2382 "rte_eth_tx_queue_setup: err=%d, "
2383 "port=%d\n", ret, portid);
2385 qconf = &lcore_conf[lcore_id];
2386 qconf->tx_queue_id[portid] = queueid;
2389 qconf->tx_port_id[qconf->n_tx_port] = portid;
2395 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2396 if (rte_lcore_is_enabled(lcore_id) == 0)
2399 if (app_mode == APP_MODE_LEGACY) {
2400 /* init timer structures for each enabled lcore */
2401 rte_timer_init(&power_timers[lcore_id]);
2402 hz = rte_get_timer_hz();
2403 rte_timer_reset(&power_timers[lcore_id],
2404 hz/TIMER_NUMBER_PER_SECOND,
2406 power_timer_cb, NULL);
2408 qconf = &lcore_conf[lcore_id];
2409 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
2411 /* init RX queues */
2412 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
2413 struct rte_eth_rxconf rxq_conf;
2415 portid = qconf->rx_queue_list[queue].port_id;
2416 queueid = qconf->rx_queue_list[queue].queue_id;
2420 (uint8_t)rte_lcore_to_socket_id(lcore_id);
2424 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2427 ret = rte_eth_dev_info_get(portid, &dev_info);
2429 rte_exit(EXIT_FAILURE,
2430 "Error during getting device (port %u) info: %s\n",
2431 portid, strerror(-ret));
2433 rxq_conf = dev_info.default_rxconf;
2434 rxq_conf.offloads = port_conf.rxmode.offloads;
2435 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2436 socketid, &rxq_conf,
2437 pktmbuf_pool[socketid]);
2439 rte_exit(EXIT_FAILURE,
2440 "rte_eth_rx_queue_setup: err=%d, "
2441 "port=%d\n", ret, portid);
2444 if (add_cb_parse_ptype(portid, queueid) < 0)
2445 rte_exit(EXIT_FAILURE,
2446 "Fail to add ptype cb\n");
2447 } else if (!check_ptype(portid))
2448 rte_exit(EXIT_FAILURE,
2449 "PMD can not provide needed ptypes\n");
2456 RTE_ETH_FOREACH_DEV(portid) {
2457 if ((enabled_port_mask & (1 << portid)) == 0) {
2461 ret = rte_eth_dev_start(portid);
2463 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
2464 "port=%d\n", ret, portid);
2466 * If enabled, put device in promiscuous mode.
2467 * This allows IO forwarding mode to forward packets
2468 * to itself through 2 cross-connected ports of the
2471 if (promiscuous_on) {
2472 ret = rte_eth_promiscuous_enable(portid);
2474 rte_exit(EXIT_FAILURE,
2475 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
2476 rte_strerror(-ret), portid);
2478 /* initialize spinlock for each port */
2479 rte_spinlock_init(&(locks[portid]));
2482 check_all_ports_link_status(enabled_port_mask);
2484 if (app_mode == APP_MODE_EMPTY_POLL) {
2486 if (empty_poll_train) {
2487 policy.state = TRAINING;
2489 policy.state = MED_NORMAL;
2490 policy.med_base_edpi = ep_med_edpi;
2491 policy.hgh_base_edpi = ep_hgh_edpi;
2494 ret = rte_power_empty_poll_stat_init(&ep_params,
2498 rte_exit(EXIT_FAILURE, "empty poll init failed");
2502 /* launch per-lcore init on every lcore */
2503 if (app_mode == APP_MODE_LEGACY) {
2504 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2505 } else if (app_mode == APP_MODE_EMPTY_POLL) {
2506 empty_poll_stop = false;
2507 rte_eal_mp_remote_launch(main_empty_poll_loop, NULL,
2512 /* Init metrics library */
2513 rte_metrics_init(rte_socket_id());
2514 /** Register stats with metrics library */
2515 for (i = 0; i < num_telstats; i++)
2516 ptr_strings[i] = telstats_strings[i].name;
2518 ret = rte_metrics_reg_names(ptr_strings, num_telstats);
2520 telstats_index = ret;
2522 rte_exit(EXIT_FAILURE, "failed to register metrics names");
2524 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2525 rte_spinlock_init(&stats[lcore_id].telemetry_lock);
2527 rte_timer_init(&telemetry_timer);
2528 rte_eal_mp_remote_launch(main_telemetry_loop, NULL,
2532 if (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY)
2533 launch_timer(rte_lcore_id());
2535 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2536 if (rte_eal_wait_lcore(lcore_id) < 0)
2540 if (app_mode == APP_MODE_EMPTY_POLL)
2541 rte_power_empty_poll_stat_free();