1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
11 #include <sys/queue.h>
18 #include <rte_common.h>
19 #include <rte_byteorder.h>
21 #include <rte_malloc.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
25 #include <rte_launch.h>
26 #include <rte_atomic.h>
27 #include <rte_cycles.h>
28 #include <rte_prefetch.h>
29 #include <rte_lcore.h>
30 #include <rte_per_lcore.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_interrupts.h>
33 #include <rte_random.h>
34 #include <rte_debug.h>
35 #include <rte_ether.h>
36 #include <rte_ethdev.h>
37 #include <rte_mempool.h>
42 #include <rte_string_fns.h>
43 #include <rte_timer.h>
44 #include <rte_power.h>
45 #include <rte_spinlock.h>
47 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
49 #define MAX_PKT_BURST 32
51 #define MIN_ZERO_POLL_COUNT 10
54 #define TIMER_NUMBER_PER_SECOND 10
56 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
57 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
59 #define APP_LOOKUP_EXACT_MATCH 0
60 #define APP_LOOKUP_LPM 1
61 #define DO_RFC_1812_CHECKS
63 #ifndef APP_LOOKUP_METHOD
64 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
67 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
69 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
72 #error "APP_LOOKUP_METHOD set to incorrect value"
76 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
77 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
78 #define IPv6_BYTES(addr) \
79 addr[0], addr[1], addr[2], addr[3], \
80 addr[4], addr[5], addr[6], addr[7], \
81 addr[8], addr[9], addr[10], addr[11],\
82 addr[12], addr[13],addr[14], addr[15]
85 #define MAX_JUMBO_PKT_LEN 9600
87 #define IPV6_ADDR_LEN 16
89 #define MEMPOOL_CACHE_SIZE 256
92 * This expression is used to calculate the number of mbufs needed depending on
93 * user input, taking into account memory for rx and tx hardware rings, cache
94 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
95 * NB_MBUF never goes below a minimum value of 8192.
98 #define NB_MBUF RTE_MAX ( \
99 (nb_ports*nb_rx_queue*nb_rxd + \
100 nb_ports*nb_lcores*MAX_PKT_BURST + \
101 nb_ports*n_tx_queue*nb_txd + \
102 nb_lcores*MEMPOOL_CACHE_SIZE), \
105 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
109 /* Configure how many packets ahead to prefetch, when reading packets */
110 #define PREFETCH_OFFSET 3
113 * Configurable number of RX/TX ring descriptors
115 #define RTE_TEST_RX_DESC_DEFAULT 512
116 #define RTE_TEST_TX_DESC_DEFAULT 512
117 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
118 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
120 /* ethernet addresses of ports */
121 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
123 /* ethernet addresses of ports */
124 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
126 /* mask of enabled ports */
127 static uint32_t enabled_port_mask = 0;
128 /* Ports set in promiscuous mode off by default. */
129 static int promiscuous_on = 0;
130 /* NUMA is enabled by default. */
131 static int numa_on = 1;
132 static int parse_ptype; /**< Parse packet type using rx callback, and */
133 /**< disabled by default */
135 enum freq_scale_hint_t
143 struct lcore_rx_queue {
146 enum freq_scale_hint_t freq_up_hint;
147 uint32_t zero_rx_packet_count;
149 } __rte_cache_aligned;
151 #define MAX_RX_QUEUE_PER_LCORE 16
152 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
153 #define MAX_RX_QUEUE_PER_PORT 128
155 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
158 #define MAX_LCORE_PARAMS 1024
159 struct lcore_params {
163 } __rte_cache_aligned;
165 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
166 static struct lcore_params lcore_params_array_default[] = {
178 static struct lcore_params * lcore_params = lcore_params_array_default;
179 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
180 sizeof(lcore_params_array_default[0]);
182 static struct rte_eth_conf port_conf = {
184 .mq_mode = ETH_MQ_RX_RSS,
185 .max_rx_pkt_len = ETHER_MAX_LEN,
187 .header_split = 0, /**< Header Split disabled */
188 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
189 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
190 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
191 .hw_strip_crc = 1, /**< CRC stripped by hardware */
196 .rss_hf = ETH_RSS_UDP,
200 .mq_mode = ETH_MQ_TX_NONE,
207 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
210 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
213 #include <rte_hash_crc.h>
214 #define DEFAULT_HASH_FUNC rte_hash_crc
216 #include <rte_jhash.h>
217 #define DEFAULT_HASH_FUNC rte_jhash
226 } __attribute__((__packed__));
229 uint8_t ip_dst[IPV6_ADDR_LEN];
230 uint8_t ip_src[IPV6_ADDR_LEN];
234 } __attribute__((__packed__));
236 struct ipv4_l3fwd_route {
237 struct ipv4_5tuple key;
241 struct ipv6_l3fwd_route {
242 struct ipv6_5tuple key;
246 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
247 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
248 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
249 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
250 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
253 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
256 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
257 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
258 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
259 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
265 typedef struct rte_hash lookup_struct_t;
266 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
267 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
269 #define L3FWD_HASH_ENTRIES 1024
271 #define IPV4_L3FWD_NUM_ROUTES \
272 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
274 #define IPV6_L3FWD_NUM_ROUTES \
275 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
277 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
278 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
281 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
282 struct ipv4_l3fwd_route {
288 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
289 {IPv4(1,1,1,0), 24, 0},
290 {IPv4(2,1,1,0), 24, 1},
291 {IPv4(3,1,1,0), 24, 2},
292 {IPv4(4,1,1,0), 24, 3},
293 {IPv4(5,1,1,0), 24, 4},
294 {IPv4(6,1,1,0), 24, 5},
295 {IPv4(7,1,1,0), 24, 6},
296 {IPv4(8,1,1,0), 24, 7},
299 #define IPV4_L3FWD_NUM_ROUTES \
300 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
302 #define IPV4_L3FWD_LPM_MAX_RULES 1024
304 typedef struct rte_lpm lookup_struct_t;
305 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
310 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
312 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
313 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
314 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
315 lookup_struct_t * ipv4_lookup_struct;
316 lookup_struct_t * ipv6_lookup_struct;
317 } __rte_cache_aligned;
320 /* total sleep time in ms since last frequency scaling down */
322 /* number of long sleep recently */
323 uint32_t nb_long_sleep;
324 /* freq. scaling up trend */
326 /* total packet processed recently */
327 uint64_t nb_rx_processed;
328 /* total iterations looped recently */
329 uint64_t nb_iteration_looped;
331 } __rte_cache_aligned;
333 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
334 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
335 static struct rte_timer power_timers[RTE_MAX_LCORE];
337 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
338 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
339 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
341 /* exit signal handler */
343 signal_exit_now(int sigtype)
346 unsigned int portid, nb_ports;
349 if (sigtype == SIGINT) {
350 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
351 if (rte_lcore_is_enabled(lcore_id) == 0)
354 /* init power management library */
355 ret = rte_power_exit(lcore_id);
357 rte_exit(EXIT_FAILURE, "Power management "
358 "library de-initialization failed on "
359 "core%u\n", lcore_id);
362 nb_ports = rte_eth_dev_count();
363 for (portid = 0; portid < nb_ports; portid++) {
364 if ((enabled_port_mask & (1 << portid)) == 0)
367 rte_eth_dev_stop(portid);
368 rte_eth_dev_close(portid);
372 rte_exit(EXIT_SUCCESS, "User forced exit\n");
375 /* Freqency scale down timer callback */
377 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
378 __attribute__((unused)) void *arg)
381 float sleep_time_ratio;
382 unsigned lcore_id = rte_lcore_id();
384 /* accumulate total execution time in us when callback is invoked */
385 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
386 (float)SCALING_PERIOD;
388 * check whether need to scale down frequency a step if it sleep a lot.
390 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
391 if (rte_power_freq_down)
392 rte_power_freq_down(lcore_id);
394 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
395 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
397 * scale down a step if average packet per iteration less
400 if (rte_power_freq_down)
401 rte_power_freq_down(lcore_id);
405 * initialize another timer according to current frequency to ensure
406 * timer interval is relatively fixed.
408 hz = rte_get_timer_hz();
409 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
410 SINGLE, lcore_id, power_timer_cb, NULL);
412 stats[lcore_id].nb_rx_processed = 0;
413 stats[lcore_id].nb_iteration_looped = 0;
415 stats[lcore_id].sleep_time = 0;
418 /* Enqueue a single packet, and send burst if queue is filled */
420 send_single_packet(struct rte_mbuf *m, uint16_t port)
423 struct lcore_conf *qconf;
425 lcore_id = rte_lcore_id();
426 qconf = &lcore_conf[lcore_id];
428 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
429 qconf->tx_buffer[port], m);
434 #ifdef DO_RFC_1812_CHECKS
436 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
438 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
440 * 1. The packet length reported by the Link Layer must be large
441 * enough to hold the minimum length legal IP datagram (20 bytes).
443 if (link_len < sizeof(struct ipv4_hdr))
446 /* 2. The IP checksum must be correct. */
447 /* this is checked in H/W */
450 * 3. The IP version number must be 4. If the version number is not 4
451 * then the packet may be another version of IP, such as IPng or
454 if (((pkt->version_ihl) >> 4) != 4)
457 * 4. The IP header length field must be large enough to hold the
458 * minimum length legal IP datagram (20 bytes = 5 words).
460 if ((pkt->version_ihl & 0xf) < 5)
464 * 5. The IP total length field must be large enough to hold the IP
465 * datagram header, whose length is specified in the IP header length
468 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
475 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
477 print_ipv4_key(struct ipv4_5tuple key)
479 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
480 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
481 key.port_dst, key.port_src, key.proto);
484 print_ipv6_key(struct ipv6_5tuple key)
486 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
487 "port dst = %d, port src = %d, proto = %d\n",
488 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
489 key.port_dst, key.port_src, key.proto);
492 static inline uint16_t
493 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
494 lookup_struct_t * ipv4_l3fwd_lookup_struct)
496 struct ipv4_5tuple key;
501 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
502 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
503 key.proto = ipv4_hdr->next_proto_id;
505 switch (ipv4_hdr->next_proto_id) {
507 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
508 sizeof(struct ipv4_hdr));
509 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
510 key.port_src = rte_be_to_cpu_16(tcp->src_port);
514 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
515 sizeof(struct ipv4_hdr));
516 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
517 key.port_src = rte_be_to_cpu_16(udp->src_port);
526 /* Find destination port */
527 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
528 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
531 static inline uint16_t
532 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
533 lookup_struct_t *ipv6_l3fwd_lookup_struct)
535 struct ipv6_5tuple key;
540 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
541 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
543 key.proto = ipv6_hdr->proto;
545 switch (ipv6_hdr->proto) {
547 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
548 sizeof(struct ipv6_hdr));
549 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
550 key.port_src = rte_be_to_cpu_16(tcp->src_port);
554 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
555 sizeof(struct ipv6_hdr));
556 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
557 key.port_src = rte_be_to_cpu_16(udp->src_port);
566 /* Find destination port */
567 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
568 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
573 static inline uint16_t
574 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
575 lookup_struct_t *ipv4_l3fwd_lookup_struct)
579 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
580 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
586 parse_ptype_one(struct rte_mbuf *m)
588 struct ether_hdr *eth_hdr;
589 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
592 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
593 ether_type = eth_hdr->ether_type;
594 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
595 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
596 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
597 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
599 m->packet_type = packet_type;
603 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
604 struct rte_mbuf *pkts[], uint16_t nb_pkts,
605 uint16_t max_pkts __rte_unused,
606 void *user_param __rte_unused)
610 for (i = 0; i < nb_pkts; ++i)
611 parse_ptype_one(pkts[i]);
617 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
619 printf("Port %d: softly parse packet type info\n", portid);
620 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
623 printf("Failed to add rx callback: port=%d\n", portid);
628 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
629 struct lcore_conf *qconf)
631 struct ether_hdr *eth_hdr;
632 struct ipv4_hdr *ipv4_hdr;
636 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
638 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
639 /* Handle IPv4 headers.*/
641 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
642 sizeof(struct ether_hdr));
644 #ifdef DO_RFC_1812_CHECKS
645 /* Check to make sure the packet is valid (RFC1812) */
646 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
652 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
653 qconf->ipv4_lookup_struct);
654 if (dst_port >= RTE_MAX_ETHPORTS ||
655 (enabled_port_mask & 1 << dst_port) == 0)
658 /* 02:00:00:00:00:xx */
659 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
660 *((uint64_t *)d_addr_bytes) =
661 0x000000000002 + ((uint64_t)dst_port << 40);
663 #ifdef DO_RFC_1812_CHECKS
664 /* Update time to live and header checksum */
665 --(ipv4_hdr->time_to_live);
666 ++(ipv4_hdr->hdr_checksum);
670 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
672 send_single_packet(m, dst_port);
673 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
674 /* Handle IPv6 headers.*/
675 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
676 struct ipv6_hdr *ipv6_hdr;
679 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
680 sizeof(struct ether_hdr));
682 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
683 qconf->ipv6_lookup_struct);
685 if (dst_port >= RTE_MAX_ETHPORTS ||
686 (enabled_port_mask & 1 << dst_port) == 0)
689 /* 02:00:00:00:00:xx */
690 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
691 *((uint64_t *)d_addr_bytes) =
692 0x000000000002 + ((uint64_t)dst_port << 40);
695 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
697 send_single_packet(m, dst_port);
699 /* We don't currently handle IPv6 packets in LPM mode. */
707 #define MINIMUM_SLEEP_TIME 1
708 #define SUSPEND_THRESHOLD 300
710 static inline uint32_t
711 power_idle_heuristic(uint32_t zero_rx_packet_count)
713 /* If zero count is less than 100, sleep 1us */
714 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
715 return MINIMUM_SLEEP_TIME;
716 /* If zero count is less than 1000, sleep 100 us which is the
717 minimum latency switching from C3/C6 to C0
720 return SUSPEND_THRESHOLD;
723 static inline enum freq_scale_hint_t
724 power_freq_scaleup_heuristic(unsigned lcore_id,
728 uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
730 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
733 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
734 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
735 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
736 #define FREQ_UP_TREND1_ACC 1
737 #define FREQ_UP_TREND2_ACC 100
738 #define FREQ_UP_THRESHOLD 10000
740 if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
741 stats[lcore_id].trend = 0;
743 } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
744 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
745 else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
746 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
748 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
749 stats[lcore_id].trend = 0;
757 * force polling thread sleep until one-shot rx interrupt triggers
766 sleep_until_rx_interrupt(int num)
768 struct rte_epoll_event event[num];
774 RTE_LOG(INFO, L3FWD_POWER,
775 "lcore %u sleeps until interrupt triggers\n",
778 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
779 for (i = 0; i < n; i++) {
780 data = event[i].epdata.data;
781 port_id = ((uintptr_t)data) >> CHAR_BIT;
782 queue_id = ((uintptr_t)data) &
783 RTE_LEN2MASK(CHAR_BIT, uint8_t);
784 rte_eth_dev_rx_intr_disable(port_id, queue_id);
785 RTE_LOG(INFO, L3FWD_POWER,
786 "lcore %u is waked up from rx interrupt on"
787 " port %d queue %d\n",
788 rte_lcore_id(), port_id, queue_id);
794 static void turn_on_intr(struct lcore_conf *qconf)
797 struct lcore_rx_queue *rx_queue;
801 for (i = 0; i < qconf->n_rx_queue; ++i) {
802 rx_queue = &(qconf->rx_queue_list[i]);
803 port_id = rx_queue->port_id;
804 queue_id = rx_queue->queue_id;
806 rte_spinlock_lock(&(locks[port_id]));
807 rte_eth_dev_rx_intr_enable(port_id, queue_id);
808 rte_spinlock_unlock(&(locks[port_id]));
812 static int event_register(struct lcore_conf *qconf)
814 struct lcore_rx_queue *rx_queue;
821 for (i = 0; i < qconf->n_rx_queue; ++i) {
822 rx_queue = &(qconf->rx_queue_list[i]);
823 portid = rx_queue->port_id;
824 queueid = rx_queue->queue_id;
825 data = portid << CHAR_BIT | queueid;
827 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
828 RTE_EPOLL_PER_THREAD,
830 (void *)((uintptr_t)data));
838 /* main processing loop */
840 main_loop(__attribute__((unused)) void *dummy)
842 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
844 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
845 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
849 struct lcore_conf *qconf;
850 struct lcore_rx_queue *rx_queue;
851 enum freq_scale_hint_t lcore_scaleup_hint;
852 uint32_t lcore_rx_idle_count = 0;
853 uint32_t lcore_idle_hint = 0;
856 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
859 hz = rte_get_timer_hz();
860 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
862 lcore_id = rte_lcore_id();
863 qconf = &lcore_conf[lcore_id];
865 if (qconf->n_rx_queue == 0) {
866 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
870 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
872 for (i = 0; i < qconf->n_rx_queue; i++) {
873 portid = qconf->rx_queue_list[i].port_id;
874 queueid = qconf->rx_queue_list[i].queue_id;
875 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
876 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
879 /* add into event wait list */
880 if (event_register(qconf) == 0)
883 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
886 stats[lcore_id].nb_iteration_looped++;
888 cur_tsc = rte_rdtsc();
889 cur_tsc_power = cur_tsc;
892 * TX burst queue drain
894 diff_tsc = cur_tsc - prev_tsc;
895 if (unlikely(diff_tsc > drain_tsc)) {
896 for (i = 0; i < qconf->n_tx_port; ++i) {
897 portid = qconf->tx_port_id[i];
898 rte_eth_tx_buffer_flush(portid,
899 qconf->tx_queue_id[portid],
900 qconf->tx_buffer[portid]);
905 diff_tsc_power = cur_tsc_power - prev_tsc_power;
906 if (diff_tsc_power > tim_res_tsc) {
908 prev_tsc_power = cur_tsc_power;
913 * Read packet from RX queues
915 lcore_scaleup_hint = FREQ_CURRENT;
916 lcore_rx_idle_count = 0;
917 for (i = 0; i < qconf->n_rx_queue; ++i) {
918 rx_queue = &(qconf->rx_queue_list[i]);
919 rx_queue->idle_hint = 0;
920 portid = rx_queue->port_id;
921 queueid = rx_queue->queue_id;
923 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
926 stats[lcore_id].nb_rx_processed += nb_rx;
927 if (unlikely(nb_rx == 0)) {
929 * no packet received from rx queue, try to
930 * sleep for a while forcing CPU enter deeper
933 rx_queue->zero_rx_packet_count++;
935 if (rx_queue->zero_rx_packet_count <=
939 rx_queue->idle_hint = power_idle_heuristic(\
940 rx_queue->zero_rx_packet_count);
941 lcore_rx_idle_count++;
943 rx_queue->zero_rx_packet_count = 0;
946 * do not scale up frequency immediately as
947 * user to kernel space communication is costly
948 * which might impact packet I/O for received
951 rx_queue->freq_up_hint =
952 power_freq_scaleup_heuristic(lcore_id,
956 /* Prefetch first packets */
957 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
958 rte_prefetch0(rte_pktmbuf_mtod(
959 pkts_burst[j], void *));
962 /* Prefetch and forward already prefetched packets */
963 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
964 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
965 j + PREFETCH_OFFSET], void *));
966 l3fwd_simple_forward(pkts_burst[j], portid,
970 /* Forward remaining prefetched packets */
971 for (; j < nb_rx; j++) {
972 l3fwd_simple_forward(pkts_burst[j], portid,
977 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
978 for (i = 1, lcore_scaleup_hint =
979 qconf->rx_queue_list[0].freq_up_hint;
980 i < qconf->n_rx_queue; ++i) {
981 rx_queue = &(qconf->rx_queue_list[i]);
982 if (rx_queue->freq_up_hint >
985 rx_queue->freq_up_hint;
988 if (lcore_scaleup_hint == FREQ_HIGHEST) {
989 if (rte_power_freq_max)
990 rte_power_freq_max(lcore_id);
991 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
992 if (rte_power_freq_up)
993 rte_power_freq_up(lcore_id);
997 * All Rx queues empty in recent consecutive polls,
998 * sleep in a conservative manner, meaning sleep as
1001 for (i = 1, lcore_idle_hint =
1002 qconf->rx_queue_list[0].idle_hint;
1003 i < qconf->n_rx_queue; ++i) {
1004 rx_queue = &(qconf->rx_queue_list[i]);
1005 if (rx_queue->idle_hint < lcore_idle_hint)
1006 lcore_idle_hint = rx_queue->idle_hint;
1009 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1011 * execute "pause" instruction to avoid context
1012 * switch which generally take hundred of
1013 * microseconds for short sleep.
1015 rte_delay_us(lcore_idle_hint);
1017 /* suspend until rx interrupt trigges */
1019 turn_on_intr(qconf);
1020 sleep_until_rx_interrupt(
1023 * start receiving packets immediately
1028 stats[lcore_id].sleep_time += lcore_idle_hint;
1034 check_lcore_params(void)
1036 uint8_t queue, lcore;
1040 for (i = 0; i < nb_lcore_params; ++i) {
1041 queue = lcore_params[i].queue_id;
1042 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1043 printf("invalid queue number: %hhu\n", queue);
1046 lcore = lcore_params[i].lcore_id;
1047 if (!rte_lcore_is_enabled(lcore)) {
1048 printf("error: lcore %hhu is not enabled in lcore "
1052 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1054 printf("warning: lcore %hhu is on socket %d with numa "
1055 "off\n", lcore, socketid);
1062 check_port_config(const unsigned nb_ports)
1067 for (i = 0; i < nb_lcore_params; ++i) {
1068 portid = lcore_params[i].port_id;
1069 if ((enabled_port_mask & (1 << portid)) == 0) {
1070 printf("port %u is not enabled in port mask\n",
1074 if (portid >= nb_ports) {
1075 printf("port %u is not present on the board\n",
1084 get_port_n_rx_queues(const uint16_t port)
1089 for (i = 0; i < nb_lcore_params; ++i) {
1090 if (lcore_params[i].port_id == port &&
1091 lcore_params[i].queue_id > queue)
1092 queue = lcore_params[i].queue_id;
1094 return (uint8_t)(++queue);
1098 init_lcore_rx_queues(void)
1100 uint16_t i, nb_rx_queue;
1103 for (i = 0; i < nb_lcore_params; ++i) {
1104 lcore = lcore_params[i].lcore_id;
1105 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1106 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1107 printf("error: too many queues (%u) for lcore: %u\n",
1108 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1111 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1112 lcore_params[i].port_id;
1113 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1114 lcore_params[i].queue_id;
1115 lcore_conf[lcore].n_rx_queue++;
1123 print_usage(const char *prgname)
1125 printf ("%s [EAL options] -- -p PORTMASK -P"
1126 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1127 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1128 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1129 " -P : enable promiscuous mode\n"
1130 " --config (port,queue,lcore): rx queues configuration\n"
1131 " --no-numa: optional, disable numa awareness\n"
1132 " --enable-jumbo: enable jumbo frame"
1133 " which max packet len is PKTLEN in decimal (64-9600)\n"
1134 " --parse-ptype: parse packet type by software\n",
1138 static int parse_max_pkt_len(const char *pktlen)
1143 /* parse decimal string */
1144 len = strtoul(pktlen, &end, 10);
1145 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1155 parse_portmask(const char *portmask)
1160 /* parse hexadecimal string */
1161 pm = strtoul(portmask, &end, 16);
1162 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1172 parse_config(const char *q_arg)
1175 const char *p, *p0 = q_arg;
1183 unsigned long int_fld[_NUM_FLD];
1184 char *str_fld[_NUM_FLD];
1188 nb_lcore_params = 0;
1190 while ((p = strchr(p0,'(')) != NULL) {
1192 if((p0 = strchr(p,')')) == NULL)
1196 if(size >= sizeof(s))
1199 snprintf(s, sizeof(s), "%.*s", size, p);
1200 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1203 for (i = 0; i < _NUM_FLD; i++){
1205 int_fld[i] = strtoul(str_fld[i], &end, 0);
1206 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1210 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1211 printf("exceeded max number of lcore params: %hu\n",
1215 lcore_params_array[nb_lcore_params].port_id =
1216 (uint8_t)int_fld[FLD_PORT];
1217 lcore_params_array[nb_lcore_params].queue_id =
1218 (uint8_t)int_fld[FLD_QUEUE];
1219 lcore_params_array[nb_lcore_params].lcore_id =
1220 (uint8_t)int_fld[FLD_LCORE];
1223 lcore_params = lcore_params_array;
1228 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1230 /* Parse the argument given in the command line of the application */
1232 parse_args(int argc, char **argv)
1237 char *prgname = argv[0];
1238 static struct option lgopts[] = {
1239 {"config", 1, 0, 0},
1240 {"no-numa", 0, 0, 0},
1241 {"enable-jumbo", 0, 0, 0},
1242 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1248 while ((opt = getopt_long(argc, argvopt, "p:P",
1249 lgopts, &option_index)) != EOF) {
1254 enabled_port_mask = parse_portmask(optarg);
1255 if (enabled_port_mask == 0) {
1256 printf("invalid portmask\n");
1257 print_usage(prgname);
1262 printf("Promiscuous mode selected\n");
1268 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1269 ret = parse_config(optarg);
1271 printf("invalid config\n");
1272 print_usage(prgname);
1277 if (!strncmp(lgopts[option_index].name,
1279 printf("numa is disabled \n");
1283 if (!strncmp(lgopts[option_index].name,
1284 "enable-jumbo", 12)) {
1285 struct option lenopts =
1286 {"max-pkt-len", required_argument, \
1289 printf("jumbo frame is enabled \n");
1290 port_conf.rxmode.jumbo_frame = 1;
1293 * if no max-pkt-len set, use the default value
1296 if (0 == getopt_long(argc, argvopt, "",
1297 &lenopts, &option_index)) {
1298 ret = parse_max_pkt_len(optarg);
1300 (ret > MAX_JUMBO_PKT_LEN)){
1301 printf("invalid packet "
1303 print_usage(prgname);
1306 port_conf.rxmode.max_rx_pkt_len = ret;
1308 printf("set jumbo frame "
1309 "max packet length to %u\n",
1310 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1313 if (!strncmp(lgopts[option_index].name,
1314 CMD_LINE_OPT_PARSE_PTYPE,
1315 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1316 printf("soft parse-ptype is enabled\n");
1323 print_usage(prgname);
1329 argv[optind-1] = prgname;
1332 optind = 1; /* reset getopt lib */
1337 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1339 char buf[ETHER_ADDR_FMT_SIZE];
1340 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1341 printf("%s%s", name, buf);
1344 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1346 setup_hash(int socketid)
1348 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1350 .entries = L3FWD_HASH_ENTRIES,
1351 .key_len = sizeof(struct ipv4_5tuple),
1352 .hash_func = DEFAULT_HASH_FUNC,
1353 .hash_func_init_val = 0,
1356 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1358 .entries = L3FWD_HASH_ENTRIES,
1359 .key_len = sizeof(struct ipv6_5tuple),
1360 .hash_func = DEFAULT_HASH_FUNC,
1361 .hash_func_init_val = 0,
1368 /* create ipv4 hash */
1369 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1370 ipv4_l3fwd_hash_params.name = s;
1371 ipv4_l3fwd_hash_params.socket_id = socketid;
1372 ipv4_l3fwd_lookup_struct[socketid] =
1373 rte_hash_create(&ipv4_l3fwd_hash_params);
1374 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1375 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1376 "socket %d\n", socketid);
1378 /* create ipv6 hash */
1379 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1380 ipv6_l3fwd_hash_params.name = s;
1381 ipv6_l3fwd_hash_params.socket_id = socketid;
1382 ipv6_l3fwd_lookup_struct[socketid] =
1383 rte_hash_create(&ipv6_l3fwd_hash_params);
1384 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1385 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1386 "socket %d\n", socketid);
1389 /* populate the ipv4 hash */
1390 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1391 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1392 (void *) &ipv4_l3fwd_route_array[i].key);
1394 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1395 "l3fwd hash on socket %d\n", i, socketid);
1397 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1398 printf("Hash: Adding key\n");
1399 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1402 /* populate the ipv6 hash */
1403 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1404 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1405 (void *) &ipv6_l3fwd_route_array[i].key);
1407 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1408 "l3fwd hash on socket %d\n", i, socketid);
1410 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1411 printf("Hash: Adding key\n");
1412 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1417 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1419 setup_lpm(int socketid)
1425 /* create the LPM table */
1426 struct rte_lpm_config lpm_ipv4_config;
1428 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1429 lpm_ipv4_config.number_tbl8s = 256;
1430 lpm_ipv4_config.flags = 0;
1432 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1433 ipv4_l3fwd_lookup_struct[socketid] =
1434 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1435 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1436 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1437 " on socket %d\n", socketid);
1439 /* populate the LPM table */
1440 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1441 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1442 ipv4_l3fwd_route_array[i].ip,
1443 ipv4_l3fwd_route_array[i].depth,
1444 ipv4_l3fwd_route_array[i].if_out);
1447 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1448 "l3fwd LPM table on socket %d\n",
1452 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1453 (unsigned)ipv4_l3fwd_route_array[i].ip,
1454 ipv4_l3fwd_route_array[i].depth,
1455 ipv4_l3fwd_route_array[i].if_out);
1461 init_mem(unsigned nb_mbuf)
1463 struct lcore_conf *qconf;
1468 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1469 if (rte_lcore_is_enabled(lcore_id) == 0)
1473 socketid = rte_lcore_to_socket_id(lcore_id);
1477 if (socketid >= NB_SOCKETS) {
1478 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1479 "out of range %d\n", socketid,
1480 lcore_id, NB_SOCKETS);
1482 if (pktmbuf_pool[socketid] == NULL) {
1483 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1484 pktmbuf_pool[socketid] =
1485 rte_pktmbuf_pool_create(s, nb_mbuf,
1486 MEMPOOL_CACHE_SIZE, 0,
1487 RTE_MBUF_DEFAULT_BUF_SIZE,
1489 if (pktmbuf_pool[socketid] == NULL)
1490 rte_exit(EXIT_FAILURE,
1491 "Cannot init mbuf pool on socket %d\n",
1494 printf("Allocated mbuf pool on socket %d\n",
1497 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1498 setup_lpm(socketid);
1500 setup_hash(socketid);
1503 qconf = &lcore_conf[lcore_id];
1504 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1506 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1512 /* Check the link status of all ports in up to 9s, and print them finally */
1514 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1516 #define CHECK_INTERVAL 100 /* 100ms */
1517 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1518 uint8_t count, all_ports_up, print_flag = 0;
1520 struct rte_eth_link link;
1522 printf("\nChecking link status");
1524 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1526 for (portid = 0; portid < port_num; portid++) {
1527 if ((port_mask & (1 << portid)) == 0)
1529 memset(&link, 0, sizeof(link));
1530 rte_eth_link_get_nowait(portid, &link);
1531 /* print link status if flag set */
1532 if (print_flag == 1) {
1533 if (link.link_status)
1534 printf("Port %d Link Up - speed %u "
1535 "Mbps - %s\n", (uint8_t)portid,
1536 (unsigned)link.link_speed,
1537 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1538 ("full-duplex") : ("half-duplex\n"));
1540 printf("Port %d Link Down\n",
1544 /* clear all_ports_up flag if any link down */
1545 if (link.link_status == ETH_LINK_DOWN) {
1550 /* after finally printing all link status, get out */
1551 if (print_flag == 1)
1554 if (all_ports_up == 0) {
1557 rte_delay_ms(CHECK_INTERVAL);
1560 /* set the print_flag if all ports up or timeout */
1561 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1568 static int check_ptype(uint16_t portid)
1571 int ptype_l3_ipv4 = 0;
1572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1573 int ptype_l3_ipv6 = 0;
1575 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1577 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1581 uint32_t ptypes[ret];
1583 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1584 for (i = 0; i < ret; ++i) {
1585 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1587 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1588 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1593 if (ptype_l3_ipv4 == 0)
1594 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1596 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1597 if (ptype_l3_ipv6 == 0)
1598 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1601 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1603 #else /* APP_LOOKUP_EXACT_MATCH */
1604 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1613 main(int argc, char **argv)
1615 struct lcore_conf *qconf;
1616 struct rte_eth_dev_info dev_info;
1617 struct rte_eth_txconf *txconf;
1623 uint32_t n_tx_queue, nb_lcores;
1624 uint32_t dev_rxq_num, dev_txq_num;
1625 uint8_t nb_rx_queue, queue, socketid;
1627 uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1629 /* catch SIGINT and restore cpufreq governor to ondemand */
1630 signal(SIGINT, signal_exit_now);
1633 ret = rte_eal_init(argc, argv);
1635 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1639 /* init RTE timer library to be used late */
1640 rte_timer_subsystem_init();
1642 /* parse application arguments (after the EAL ones) */
1643 ret = parse_args(argc, argv);
1645 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1647 if (check_lcore_params() < 0)
1648 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1650 ret = init_lcore_rx_queues();
1652 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1654 nb_ports = rte_eth_dev_count();
1656 if (check_port_config(nb_ports) < 0)
1657 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1659 nb_lcores = rte_lcore_count();
1661 /* initialize all ports */
1662 for (portid = 0; portid < nb_ports; portid++) {
1663 /* skip ports that are not enabled */
1664 if ((enabled_port_mask & (1 << portid)) == 0) {
1665 printf("\nSkipping disabled port %d\n", portid);
1670 printf("Initializing port %d ... ", portid );
1673 rte_eth_dev_info_get(portid, &dev_info);
1674 dev_rxq_num = dev_info.max_rx_queues;
1675 dev_txq_num = dev_info.max_tx_queues;
1677 nb_rx_queue = get_port_n_rx_queues(portid);
1678 if (nb_rx_queue > dev_rxq_num)
1679 rte_exit(EXIT_FAILURE,
1680 "Cannot configure not existed rxq: "
1681 "port=%d\n", portid);
1683 n_tx_queue = nb_lcores;
1684 if (n_tx_queue > dev_txq_num)
1685 n_tx_queue = dev_txq_num;
1686 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1687 nb_rx_queue, (unsigned)n_tx_queue );
1688 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1689 if (nb_rx_queue == 0)
1690 port_conf.intr_conf.rxq = 0;
1691 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1692 (uint16_t)n_tx_queue, &port_conf);
1693 /* Revert to original value */
1694 port_conf.intr_conf.rxq = org_rxq_intr;
1696 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1697 "err=%d, port=%d\n", ret, portid);
1699 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1702 rte_exit(EXIT_FAILURE,
1703 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1706 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1707 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1711 ret = init_mem(NB_MBUF);
1713 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1715 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1716 if (rte_lcore_is_enabled(lcore_id) == 0)
1719 /* Initialize TX buffers */
1720 qconf = &lcore_conf[lcore_id];
1721 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1722 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1723 rte_eth_dev_socket_id(portid));
1724 if (qconf->tx_buffer[portid] == NULL)
1725 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1728 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1731 /* init one TX queue per couple (lcore,port) */
1733 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1734 if (rte_lcore_is_enabled(lcore_id) == 0)
1737 if (queueid >= dev_txq_num)
1742 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1746 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1749 rte_eth_dev_info_get(portid, &dev_info);
1750 txconf = &dev_info.default_txconf;
1751 if (port_conf.rxmode.jumbo_frame)
1752 txconf->txq_flags = 0;
1753 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1756 rte_exit(EXIT_FAILURE,
1757 "rte_eth_tx_queue_setup: err=%d, "
1758 "port=%d\n", ret, portid);
1760 qconf = &lcore_conf[lcore_id];
1761 qconf->tx_queue_id[portid] = queueid;
1764 qconf->tx_port_id[qconf->n_tx_port] = portid;
1770 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1771 if (rte_lcore_is_enabled(lcore_id) == 0)
1774 /* init power management library */
1775 ret = rte_power_init(lcore_id);
1778 "Library initialization failed on core %u\n", lcore_id);
1780 /* init timer structures for each enabled lcore */
1781 rte_timer_init(&power_timers[lcore_id]);
1782 hz = rte_get_timer_hz();
1783 rte_timer_reset(&power_timers[lcore_id],
1784 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1785 power_timer_cb, NULL);
1787 qconf = &lcore_conf[lcore_id];
1788 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1790 /* init RX queues */
1791 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1792 portid = qconf->rx_queue_list[queue].port_id;
1793 queueid = qconf->rx_queue_list[queue].queue_id;
1797 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1801 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1804 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1806 pktmbuf_pool[socketid]);
1808 rte_exit(EXIT_FAILURE,
1809 "rte_eth_rx_queue_setup: err=%d, "
1810 "port=%d\n", ret, portid);
1813 if (add_cb_parse_ptype(portid, queueid) < 0)
1814 rte_exit(EXIT_FAILURE,
1815 "Fail to add ptype cb\n");
1816 } else if (!check_ptype(portid))
1817 rte_exit(EXIT_FAILURE,
1818 "PMD can not provide needed ptypes\n");
1825 for (portid = 0; portid < nb_ports; portid++) {
1826 if ((enabled_port_mask & (1 << portid)) == 0) {
1830 ret = rte_eth_dev_start(portid);
1832 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1833 "port=%d\n", ret, portid);
1835 * If enabled, put device in promiscuous mode.
1836 * This allows IO forwarding mode to forward packets
1837 * to itself through 2 cross-connected ports of the
1841 rte_eth_promiscuous_enable(portid);
1842 /* initialize spinlock for each port */
1843 rte_spinlock_init(&(locks[portid]));
1846 check_all_ports_link_status(nb_ports, enabled_port_mask);
1848 /* launch per-lcore init on every lcore */
1849 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1850 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1851 if (rte_eal_wait_lcore(lcore_id) < 0)