4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
40 #include <sys/queue.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_malloc.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
54 #include <rte_launch.h>
55 #include <rte_atomic.h>
56 #include <rte_cycles.h>
57 #include <rte_prefetch.h>
58 #include <rte_lcore.h>
59 #include <rte_per_lcore.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_interrupts.h>
62 #include <rte_random.h>
63 #include <rte_debug.h>
64 #include <rte_ether.h>
65 #include <rte_ethdev.h>
66 #include <rte_mempool.h>
71 #include <rte_string_fns.h>
72 #include <rte_timer.h>
73 #include <rte_power.h>
74 #include <rte_spinlock.h>
76 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
78 #define MAX_PKT_BURST 32
80 #define MIN_ZERO_POLL_COUNT 10
83 #define TIMER_NUMBER_PER_SECOND 10
85 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
86 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
88 #define APP_LOOKUP_EXACT_MATCH 0
89 #define APP_LOOKUP_LPM 1
90 #define DO_RFC_1812_CHECKS
92 #ifndef APP_LOOKUP_METHOD
93 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
96 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
98 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
101 #error "APP_LOOKUP_METHOD set to incorrect value"
105 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
106 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
107 #define IPv6_BYTES(addr) \
108 addr[0], addr[1], addr[2], addr[3], \
109 addr[4], addr[5], addr[6], addr[7], \
110 addr[8], addr[9], addr[10], addr[11],\
111 addr[12], addr[13],addr[14], addr[15]
114 #define MAX_JUMBO_PKT_LEN 9600
116 #define IPV6_ADDR_LEN 16
118 #define MEMPOOL_CACHE_SIZE 256
121 * This expression is used to calculate the number of mbufs needed depending on
122 * user input, taking into account memory for rx and tx hardware rings, cache
123 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
124 * NB_MBUF never goes below a minimum value of 8192.
127 #define NB_MBUF RTE_MAX ( \
128 (nb_ports*nb_rx_queue*nb_rxd + \
129 nb_ports*nb_lcores*MAX_PKT_BURST + \
130 nb_ports*n_tx_queue*nb_txd + \
131 nb_lcores*MEMPOOL_CACHE_SIZE), \
134 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
138 /* Configure how many packets ahead to prefetch, when reading packets */
139 #define PREFETCH_OFFSET 3
142 * Configurable number of RX/TX ring descriptors
144 #define RTE_TEST_RX_DESC_DEFAULT 512
145 #define RTE_TEST_TX_DESC_DEFAULT 512
146 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
147 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
149 /* ethernet addresses of ports */
150 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
152 /* ethernet addresses of ports */
153 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
155 /* mask of enabled ports */
156 static uint32_t enabled_port_mask = 0;
157 /* Ports set in promiscuous mode off by default. */
158 static int promiscuous_on = 0;
159 /* NUMA is enabled by default. */
160 static int numa_on = 1;
161 static int parse_ptype; /**< Parse packet type using rx callback, and */
162 /**< disabled by default */
164 enum freq_scale_hint_t
172 struct lcore_rx_queue {
175 enum freq_scale_hint_t freq_up_hint;
176 uint32_t zero_rx_packet_count;
178 } __rte_cache_aligned;
180 #define MAX_RX_QUEUE_PER_LCORE 16
181 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
182 #define MAX_RX_QUEUE_PER_PORT 128
184 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
187 #define MAX_LCORE_PARAMS 1024
188 struct lcore_params {
192 } __rte_cache_aligned;
194 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
195 static struct lcore_params lcore_params_array_default[] = {
207 static struct lcore_params * lcore_params = lcore_params_array_default;
208 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
209 sizeof(lcore_params_array_default[0]);
211 static struct rte_eth_conf port_conf = {
213 .mq_mode = ETH_MQ_RX_RSS,
214 .max_rx_pkt_len = ETHER_MAX_LEN,
216 .header_split = 0, /**< Header Split disabled */
217 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
218 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
219 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
220 .hw_strip_crc = 1, /**< CRC stripped by hardware */
225 .rss_hf = ETH_RSS_UDP,
229 .mq_mode = ETH_MQ_TX_NONE,
237 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
240 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
243 #include <rte_hash_crc.h>
244 #define DEFAULT_HASH_FUNC rte_hash_crc
246 #include <rte_jhash.h>
247 #define DEFAULT_HASH_FUNC rte_jhash
256 } __attribute__((__packed__));
259 uint8_t ip_dst[IPV6_ADDR_LEN];
260 uint8_t ip_src[IPV6_ADDR_LEN];
264 } __attribute__((__packed__));
266 struct ipv4_l3fwd_route {
267 struct ipv4_5tuple key;
271 struct ipv6_l3fwd_route {
272 struct ipv6_5tuple key;
276 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
277 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
278 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
279 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
280 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
283 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
286 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
287 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
288 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
289 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
295 typedef struct rte_hash lookup_struct_t;
296 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
297 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
299 #define L3FWD_HASH_ENTRIES 1024
301 #define IPV4_L3FWD_NUM_ROUTES \
302 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
304 #define IPV6_L3FWD_NUM_ROUTES \
305 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
307 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
308 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
311 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
312 struct ipv4_l3fwd_route {
318 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
319 {IPv4(1,1,1,0), 24, 0},
320 {IPv4(2,1,1,0), 24, 1},
321 {IPv4(3,1,1,0), 24, 2},
322 {IPv4(4,1,1,0), 24, 3},
323 {IPv4(5,1,1,0), 24, 4},
324 {IPv4(6,1,1,0), 24, 5},
325 {IPv4(7,1,1,0), 24, 6},
326 {IPv4(8,1,1,0), 24, 7},
329 #define IPV4_L3FWD_NUM_ROUTES \
330 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
332 #define IPV4_L3FWD_LPM_MAX_RULES 1024
334 typedef struct rte_lpm lookup_struct_t;
335 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
340 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
342 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
343 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
344 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
345 lookup_struct_t * ipv4_lookup_struct;
346 lookup_struct_t * ipv6_lookup_struct;
347 } __rte_cache_aligned;
350 /* total sleep time in ms since last frequency scaling down */
352 /* number of long sleep recently */
353 uint32_t nb_long_sleep;
354 /* freq. scaling up trend */
356 /* total packet processed recently */
357 uint64_t nb_rx_processed;
358 /* total iterations looped recently */
359 uint64_t nb_iteration_looped;
361 } __rte_cache_aligned;
363 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
364 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
365 static struct rte_timer power_timers[RTE_MAX_LCORE];
367 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
368 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
369 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
371 /* exit signal handler */
373 signal_exit_now(int sigtype)
376 unsigned int portid, nb_ports;
379 if (sigtype == SIGINT) {
380 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
381 if (rte_lcore_is_enabled(lcore_id) == 0)
384 /* init power management library */
385 ret = rte_power_exit(lcore_id);
387 rte_exit(EXIT_FAILURE, "Power management "
388 "library de-initialization failed on "
389 "core%u\n", lcore_id);
392 nb_ports = rte_eth_dev_count();
393 for (portid = 0; portid < nb_ports; portid++) {
394 if ((enabled_port_mask & (1 << portid)) == 0)
397 rte_eth_dev_stop(portid);
398 rte_eth_dev_close(portid);
402 rte_exit(EXIT_SUCCESS, "User forced exit\n");
405 /* Freqency scale down timer callback */
407 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
408 __attribute__((unused)) void *arg)
411 float sleep_time_ratio;
412 unsigned lcore_id = rte_lcore_id();
414 /* accumulate total execution time in us when callback is invoked */
415 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
416 (float)SCALING_PERIOD;
418 * check whether need to scale down frequency a step if it sleep a lot.
420 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
421 if (rte_power_freq_down)
422 rte_power_freq_down(lcore_id);
424 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
425 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
427 * scale down a step if average packet per iteration less
430 if (rte_power_freq_down)
431 rte_power_freq_down(lcore_id);
435 * initialize another timer according to current frequency to ensure
436 * timer interval is relatively fixed.
438 hz = rte_get_timer_hz();
439 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
440 SINGLE, lcore_id, power_timer_cb, NULL);
442 stats[lcore_id].nb_rx_processed = 0;
443 stats[lcore_id].nb_iteration_looped = 0;
445 stats[lcore_id].sleep_time = 0;
448 /* Enqueue a single packet, and send burst if queue is filled */
450 send_single_packet(struct rte_mbuf *m, uint16_t port)
453 struct lcore_conf *qconf;
455 lcore_id = rte_lcore_id();
456 qconf = &lcore_conf[lcore_id];
458 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
459 qconf->tx_buffer[port], m);
464 #ifdef DO_RFC_1812_CHECKS
466 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
468 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
470 * 1. The packet length reported by the Link Layer must be large
471 * enough to hold the minimum length legal IP datagram (20 bytes).
473 if (link_len < sizeof(struct ipv4_hdr))
476 /* 2. The IP checksum must be correct. */
477 /* this is checked in H/W */
480 * 3. The IP version number must be 4. If the version number is not 4
481 * then the packet may be another version of IP, such as IPng or
484 if (((pkt->version_ihl) >> 4) != 4)
487 * 4. The IP header length field must be large enough to hold the
488 * minimum length legal IP datagram (20 bytes = 5 words).
490 if ((pkt->version_ihl & 0xf) < 5)
494 * 5. The IP total length field must be large enough to hold the IP
495 * datagram header, whose length is specified in the IP header length
498 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
507 print_ipv4_key(struct ipv4_5tuple key)
509 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
510 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
511 key.port_dst, key.port_src, key.proto);
514 print_ipv6_key(struct ipv6_5tuple key)
516 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
517 "port dst = %d, port src = %d, proto = %d\n",
518 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
519 key.port_dst, key.port_src, key.proto);
522 static inline uint16_t
523 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
524 lookup_struct_t * ipv4_l3fwd_lookup_struct)
526 struct ipv4_5tuple key;
531 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
532 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
533 key.proto = ipv4_hdr->next_proto_id;
535 switch (ipv4_hdr->next_proto_id) {
537 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
538 sizeof(struct ipv4_hdr));
539 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
540 key.port_src = rte_be_to_cpu_16(tcp->src_port);
544 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
545 sizeof(struct ipv4_hdr));
546 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
547 key.port_src = rte_be_to_cpu_16(udp->src_port);
556 /* Find destination port */
557 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
558 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
561 static inline uint16_t
562 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
563 lookup_struct_t *ipv6_l3fwd_lookup_struct)
565 struct ipv6_5tuple key;
570 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
571 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
573 key.proto = ipv6_hdr->proto;
575 switch (ipv6_hdr->proto) {
577 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
578 sizeof(struct ipv6_hdr));
579 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
580 key.port_src = rte_be_to_cpu_16(tcp->src_port);
584 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
585 sizeof(struct ipv6_hdr));
586 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
587 key.port_src = rte_be_to_cpu_16(udp->src_port);
596 /* Find destination port */
597 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
598 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
603 static inline uint16_t
604 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
605 lookup_struct_t *ipv4_l3fwd_lookup_struct)
609 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
610 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
616 parse_ptype_one(struct rte_mbuf *m)
618 struct ether_hdr *eth_hdr;
619 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
622 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
623 ether_type = eth_hdr->ether_type;
624 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
625 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
626 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
627 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
629 m->packet_type = packet_type;
633 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
634 struct rte_mbuf *pkts[], uint16_t nb_pkts,
635 uint16_t max_pkts __rte_unused,
636 void *user_param __rte_unused)
640 for (i = 0; i < nb_pkts; ++i)
641 parse_ptype_one(pkts[i]);
647 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
649 printf("Port %d: softly parse packet type info\n", portid);
650 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
653 printf("Failed to add rx callback: port=%d\n", portid);
658 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
659 struct lcore_conf *qconf)
661 struct ether_hdr *eth_hdr;
662 struct ipv4_hdr *ipv4_hdr;
666 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
668 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
669 /* Handle IPv4 headers.*/
671 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
672 sizeof(struct ether_hdr));
674 #ifdef DO_RFC_1812_CHECKS
675 /* Check to make sure the packet is valid (RFC1812) */
676 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
682 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
683 qconf->ipv4_lookup_struct);
684 if (dst_port >= RTE_MAX_ETHPORTS ||
685 (enabled_port_mask & 1 << dst_port) == 0)
688 /* 02:00:00:00:00:xx */
689 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
690 *((uint64_t *)d_addr_bytes) =
691 0x000000000002 + ((uint64_t)dst_port << 40);
693 #ifdef DO_RFC_1812_CHECKS
694 /* Update time to live and header checksum */
695 --(ipv4_hdr->time_to_live);
696 ++(ipv4_hdr->hdr_checksum);
700 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
702 send_single_packet(m, dst_port);
703 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
704 /* Handle IPv6 headers.*/
705 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
706 struct ipv6_hdr *ipv6_hdr;
709 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
710 sizeof(struct ether_hdr));
712 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
713 qconf->ipv6_lookup_struct);
715 if (dst_port >= RTE_MAX_ETHPORTS ||
716 (enabled_port_mask & 1 << dst_port) == 0)
719 /* 02:00:00:00:00:xx */
720 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
721 *((uint64_t *)d_addr_bytes) =
722 0x000000000002 + ((uint64_t)dst_port << 40);
725 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
727 send_single_packet(m, dst_port);
729 /* We don't currently handle IPv6 packets in LPM mode. */
737 #define MINIMUM_SLEEP_TIME 1
738 #define SUSPEND_THRESHOLD 300
740 static inline uint32_t
741 power_idle_heuristic(uint32_t zero_rx_packet_count)
743 /* If zero count is less than 100, sleep 1us */
744 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
745 return MINIMUM_SLEEP_TIME;
746 /* If zero count is less than 1000, sleep 100 us which is the
747 minimum latency switching from C3/C6 to C0
750 return SUSPEND_THRESHOLD;
753 static inline enum freq_scale_hint_t
754 power_freq_scaleup_heuristic(unsigned lcore_id,
759 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
762 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
763 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
764 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
765 #define FREQ_UP_TREND1_ACC 1
766 #define FREQ_UP_TREND2_ACC 100
767 #define FREQ_UP_THRESHOLD 10000
769 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
770 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
771 stats[lcore_id].trend = 0;
773 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
774 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
775 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
776 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
777 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
778 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
780 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
781 stats[lcore_id].trend = 0;
789 * force polling thread sleep until one-shot rx interrupt triggers
798 sleep_until_rx_interrupt(int num)
800 struct rte_epoll_event event[num];
806 RTE_LOG(INFO, L3FWD_POWER,
807 "lcore %u sleeps until interrupt triggers\n",
810 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
811 for (i = 0; i < n; i++) {
812 data = event[i].epdata.data;
813 port_id = ((uintptr_t)data) >> CHAR_BIT;
814 queue_id = ((uintptr_t)data) &
815 RTE_LEN2MASK(CHAR_BIT, uint8_t);
816 rte_eth_dev_rx_intr_disable(port_id, queue_id);
817 RTE_LOG(INFO, L3FWD_POWER,
818 "lcore %u is waked up from rx interrupt on"
819 " port %d queue %d\n",
820 rte_lcore_id(), port_id, queue_id);
826 static void turn_on_intr(struct lcore_conf *qconf)
829 struct lcore_rx_queue *rx_queue;
833 for (i = 0; i < qconf->n_rx_queue; ++i) {
834 rx_queue = &(qconf->rx_queue_list[i]);
835 port_id = rx_queue->port_id;
836 queue_id = rx_queue->queue_id;
838 rte_spinlock_lock(&(locks[port_id]));
839 rte_eth_dev_rx_intr_enable(port_id, queue_id);
840 rte_spinlock_unlock(&(locks[port_id]));
844 static int event_register(struct lcore_conf *qconf)
846 struct lcore_rx_queue *rx_queue;
853 for (i = 0; i < qconf->n_rx_queue; ++i) {
854 rx_queue = &(qconf->rx_queue_list[i]);
855 portid = rx_queue->port_id;
856 queueid = rx_queue->queue_id;
857 data = portid << CHAR_BIT | queueid;
859 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
860 RTE_EPOLL_PER_THREAD,
862 (void *)((uintptr_t)data));
870 /* main processing loop */
872 main_loop(__attribute__((unused)) void *dummy)
874 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
876 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
877 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
881 struct lcore_conf *qconf;
882 struct lcore_rx_queue *rx_queue;
883 enum freq_scale_hint_t lcore_scaleup_hint;
884 uint32_t lcore_rx_idle_count = 0;
885 uint32_t lcore_idle_hint = 0;
888 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
891 hz = rte_get_timer_hz();
892 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
894 lcore_id = rte_lcore_id();
895 qconf = &lcore_conf[lcore_id];
897 if (qconf->n_rx_queue == 0) {
898 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
902 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
904 for (i = 0; i < qconf->n_rx_queue; i++) {
905 portid = qconf->rx_queue_list[i].port_id;
906 queueid = qconf->rx_queue_list[i].queue_id;
907 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
908 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
911 /* add into event wait list */
912 if (event_register(qconf) == 0)
915 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
918 stats[lcore_id].nb_iteration_looped++;
920 cur_tsc = rte_rdtsc();
921 cur_tsc_power = cur_tsc;
924 * TX burst queue drain
926 diff_tsc = cur_tsc - prev_tsc;
927 if (unlikely(diff_tsc > drain_tsc)) {
928 for (i = 0; i < qconf->n_tx_port; ++i) {
929 portid = qconf->tx_port_id[i];
930 rte_eth_tx_buffer_flush(portid,
931 qconf->tx_queue_id[portid],
932 qconf->tx_buffer[portid]);
937 diff_tsc_power = cur_tsc_power - prev_tsc_power;
938 if (diff_tsc_power > tim_res_tsc) {
940 prev_tsc_power = cur_tsc_power;
945 * Read packet from RX queues
947 lcore_scaleup_hint = FREQ_CURRENT;
948 lcore_rx_idle_count = 0;
949 for (i = 0; i < qconf->n_rx_queue; ++i) {
950 rx_queue = &(qconf->rx_queue_list[i]);
951 rx_queue->idle_hint = 0;
952 portid = rx_queue->port_id;
953 queueid = rx_queue->queue_id;
955 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
958 stats[lcore_id].nb_rx_processed += nb_rx;
959 if (unlikely(nb_rx == 0)) {
961 * no packet received from rx queue, try to
962 * sleep for a while forcing CPU enter deeper
965 rx_queue->zero_rx_packet_count++;
967 if (rx_queue->zero_rx_packet_count <=
971 rx_queue->idle_hint = power_idle_heuristic(\
972 rx_queue->zero_rx_packet_count);
973 lcore_rx_idle_count++;
975 rx_queue->zero_rx_packet_count = 0;
978 * do not scale up frequency immediately as
979 * user to kernel space communication is costly
980 * which might impact packet I/O for received
983 rx_queue->freq_up_hint =
984 power_freq_scaleup_heuristic(lcore_id,
988 /* Prefetch first packets */
989 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
990 rte_prefetch0(rte_pktmbuf_mtod(
991 pkts_burst[j], void *));
994 /* Prefetch and forward already prefetched packets */
995 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
996 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
997 j + PREFETCH_OFFSET], void *));
998 l3fwd_simple_forward(pkts_burst[j], portid,
1002 /* Forward remaining prefetched packets */
1003 for (; j < nb_rx; j++) {
1004 l3fwd_simple_forward(pkts_burst[j], portid,
1009 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1010 for (i = 1, lcore_scaleup_hint =
1011 qconf->rx_queue_list[0].freq_up_hint;
1012 i < qconf->n_rx_queue; ++i) {
1013 rx_queue = &(qconf->rx_queue_list[i]);
1014 if (rx_queue->freq_up_hint >
1016 lcore_scaleup_hint =
1017 rx_queue->freq_up_hint;
1020 if (lcore_scaleup_hint == FREQ_HIGHEST) {
1021 if (rte_power_freq_max)
1022 rte_power_freq_max(lcore_id);
1023 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1024 if (rte_power_freq_up)
1025 rte_power_freq_up(lcore_id);
1029 * All Rx queues empty in recent consecutive polls,
1030 * sleep in a conservative manner, meaning sleep as
1033 for (i = 1, lcore_idle_hint =
1034 qconf->rx_queue_list[0].idle_hint;
1035 i < qconf->n_rx_queue; ++i) {
1036 rx_queue = &(qconf->rx_queue_list[i]);
1037 if (rx_queue->idle_hint < lcore_idle_hint)
1038 lcore_idle_hint = rx_queue->idle_hint;
1041 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1043 * execute "pause" instruction to avoid context
1044 * switch which generally take hundred of
1045 * microseconds for short sleep.
1047 rte_delay_us(lcore_idle_hint);
1049 /* suspend until rx interrupt trigges */
1051 turn_on_intr(qconf);
1052 sleep_until_rx_interrupt(
1055 * start receiving packets immediately
1060 stats[lcore_id].sleep_time += lcore_idle_hint;
1066 check_lcore_params(void)
1068 uint8_t queue, lcore;
1072 for (i = 0; i < nb_lcore_params; ++i) {
1073 queue = lcore_params[i].queue_id;
1074 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1075 printf("invalid queue number: %hhu\n", queue);
1078 lcore = lcore_params[i].lcore_id;
1079 if (!rte_lcore_is_enabled(lcore)) {
1080 printf("error: lcore %hhu is not enabled in lcore "
1084 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1086 printf("warning: lcore %hhu is on socket %d with numa "
1087 "off\n", lcore, socketid);
1094 check_port_config(const unsigned nb_ports)
1099 for (i = 0; i < nb_lcore_params; ++i) {
1100 portid = lcore_params[i].port_id;
1101 if ((enabled_port_mask & (1 << portid)) == 0) {
1102 printf("port %u is not enabled in port mask\n",
1106 if (portid >= nb_ports) {
1107 printf("port %u is not present on the board\n",
1116 get_port_n_rx_queues(const uint16_t port)
1121 for (i = 0; i < nb_lcore_params; ++i) {
1122 if (lcore_params[i].port_id == port &&
1123 lcore_params[i].queue_id > queue)
1124 queue = lcore_params[i].queue_id;
1126 return (uint8_t)(++queue);
1130 init_lcore_rx_queues(void)
1132 uint16_t i, nb_rx_queue;
1135 for (i = 0; i < nb_lcore_params; ++i) {
1136 lcore = lcore_params[i].lcore_id;
1137 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1138 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1139 printf("error: too many queues (%u) for lcore: %u\n",
1140 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1143 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1144 lcore_params[i].port_id;
1145 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1146 lcore_params[i].queue_id;
1147 lcore_conf[lcore].n_rx_queue++;
1155 print_usage(const char *prgname)
1157 printf ("%s [EAL options] -- -p PORTMASK -P"
1158 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1159 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1160 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1161 " -P : enable promiscuous mode\n"
1162 " --config (port,queue,lcore): rx queues configuration\n"
1163 " --no-numa: optional, disable numa awareness\n"
1164 " --enable-jumbo: enable jumbo frame"
1165 " which max packet len is PKTLEN in decimal (64-9600)\n"
1166 " --parse-ptype: parse packet type by software\n",
1170 static int parse_max_pkt_len(const char *pktlen)
1175 /* parse decimal string */
1176 len = strtoul(pktlen, &end, 10);
1177 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1187 parse_portmask(const char *portmask)
1192 /* parse hexadecimal string */
1193 pm = strtoul(portmask, &end, 16);
1194 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1204 parse_config(const char *q_arg)
1207 const char *p, *p0 = q_arg;
1215 unsigned long int_fld[_NUM_FLD];
1216 char *str_fld[_NUM_FLD];
1220 nb_lcore_params = 0;
1222 while ((p = strchr(p0,'(')) != NULL) {
1224 if((p0 = strchr(p,')')) == NULL)
1228 if(size >= sizeof(s))
1231 snprintf(s, sizeof(s), "%.*s", size, p);
1232 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1235 for (i = 0; i < _NUM_FLD; i++){
1237 int_fld[i] = strtoul(str_fld[i], &end, 0);
1238 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1242 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1243 printf("exceeded max number of lcore params: %hu\n",
1247 lcore_params_array[nb_lcore_params].port_id =
1248 (uint8_t)int_fld[FLD_PORT];
1249 lcore_params_array[nb_lcore_params].queue_id =
1250 (uint8_t)int_fld[FLD_QUEUE];
1251 lcore_params_array[nb_lcore_params].lcore_id =
1252 (uint8_t)int_fld[FLD_LCORE];
1255 lcore_params = lcore_params_array;
1260 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1262 /* Parse the argument given in the command line of the application */
1264 parse_args(int argc, char **argv)
1269 char *prgname = argv[0];
1270 static struct option lgopts[] = {
1271 {"config", 1, 0, 0},
1272 {"no-numa", 0, 0, 0},
1273 {"enable-jumbo", 0, 0, 0},
1274 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1280 while ((opt = getopt_long(argc, argvopt, "p:P",
1281 lgopts, &option_index)) != EOF) {
1286 enabled_port_mask = parse_portmask(optarg);
1287 if (enabled_port_mask == 0) {
1288 printf("invalid portmask\n");
1289 print_usage(prgname);
1294 printf("Promiscuous mode selected\n");
1300 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1301 ret = parse_config(optarg);
1303 printf("invalid config\n");
1304 print_usage(prgname);
1309 if (!strncmp(lgopts[option_index].name,
1311 printf("numa is disabled \n");
1315 if (!strncmp(lgopts[option_index].name,
1316 "enable-jumbo", 12)) {
1317 struct option lenopts =
1318 {"max-pkt-len", required_argument, \
1321 printf("jumbo frame is enabled \n");
1322 port_conf.rxmode.jumbo_frame = 1;
1325 * if no max-pkt-len set, use the default value
1328 if (0 == getopt_long(argc, argvopt, "",
1329 &lenopts, &option_index)) {
1330 ret = parse_max_pkt_len(optarg);
1332 (ret > MAX_JUMBO_PKT_LEN)){
1333 printf("invalid packet "
1335 print_usage(prgname);
1338 port_conf.rxmode.max_rx_pkt_len = ret;
1340 printf("set jumbo frame "
1341 "max packet length to %u\n",
1342 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1345 if (!strncmp(lgopts[option_index].name,
1346 CMD_LINE_OPT_PARSE_PTYPE,
1347 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1348 printf("soft parse-ptype is enabled\n");
1355 print_usage(prgname);
1361 argv[optind-1] = prgname;
1364 optind = 1; /* reset getopt lib */
1369 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1371 char buf[ETHER_ADDR_FMT_SIZE];
1372 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1373 printf("%s%s", name, buf);
1376 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1378 setup_hash(int socketid)
1380 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1382 .entries = L3FWD_HASH_ENTRIES,
1383 .key_len = sizeof(struct ipv4_5tuple),
1384 .hash_func = DEFAULT_HASH_FUNC,
1385 .hash_func_init_val = 0,
1388 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1390 .entries = L3FWD_HASH_ENTRIES,
1391 .key_len = sizeof(struct ipv6_5tuple),
1392 .hash_func = DEFAULT_HASH_FUNC,
1393 .hash_func_init_val = 0,
1400 /* create ipv4 hash */
1401 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1402 ipv4_l3fwd_hash_params.name = s;
1403 ipv4_l3fwd_hash_params.socket_id = socketid;
1404 ipv4_l3fwd_lookup_struct[socketid] =
1405 rte_hash_create(&ipv4_l3fwd_hash_params);
1406 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1407 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1408 "socket %d\n", socketid);
1410 /* create ipv6 hash */
1411 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1412 ipv6_l3fwd_hash_params.name = s;
1413 ipv6_l3fwd_hash_params.socket_id = socketid;
1414 ipv6_l3fwd_lookup_struct[socketid] =
1415 rte_hash_create(&ipv6_l3fwd_hash_params);
1416 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1417 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1418 "socket %d\n", socketid);
1421 /* populate the ipv4 hash */
1422 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1423 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1424 (void *) &ipv4_l3fwd_route_array[i].key);
1426 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1427 "l3fwd hash on socket %d\n", i, socketid);
1429 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1430 printf("Hash: Adding key\n");
1431 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1434 /* populate the ipv6 hash */
1435 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1436 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1437 (void *) &ipv6_l3fwd_route_array[i].key);
1439 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1440 "l3fwd hash on socket %d\n", i, socketid);
1442 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1443 printf("Hash: Adding key\n");
1444 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1449 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1451 setup_lpm(int socketid)
1457 /* create the LPM table */
1458 struct rte_lpm_config lpm_ipv4_config;
1460 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1461 lpm_ipv4_config.number_tbl8s = 256;
1462 lpm_ipv4_config.flags = 0;
1464 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1465 ipv4_l3fwd_lookup_struct[socketid] =
1466 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1467 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1468 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1469 " on socket %d\n", socketid);
1471 /* populate the LPM table */
1472 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1473 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1474 ipv4_l3fwd_route_array[i].ip,
1475 ipv4_l3fwd_route_array[i].depth,
1476 ipv4_l3fwd_route_array[i].if_out);
1479 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1480 "l3fwd LPM table on socket %d\n",
1484 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1485 (unsigned)ipv4_l3fwd_route_array[i].ip,
1486 ipv4_l3fwd_route_array[i].depth,
1487 ipv4_l3fwd_route_array[i].if_out);
1493 init_mem(unsigned nb_mbuf)
1495 struct lcore_conf *qconf;
1500 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1501 if (rte_lcore_is_enabled(lcore_id) == 0)
1505 socketid = rte_lcore_to_socket_id(lcore_id);
1509 if (socketid >= NB_SOCKETS) {
1510 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1511 "out of range %d\n", socketid,
1512 lcore_id, NB_SOCKETS);
1514 if (pktmbuf_pool[socketid] == NULL) {
1515 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1516 pktmbuf_pool[socketid] =
1517 rte_pktmbuf_pool_create(s, nb_mbuf,
1518 MEMPOOL_CACHE_SIZE, 0,
1519 RTE_MBUF_DEFAULT_BUF_SIZE,
1521 if (pktmbuf_pool[socketid] == NULL)
1522 rte_exit(EXIT_FAILURE,
1523 "Cannot init mbuf pool on socket %d\n",
1526 printf("Allocated mbuf pool on socket %d\n",
1529 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1530 setup_lpm(socketid);
1532 setup_hash(socketid);
1535 qconf = &lcore_conf[lcore_id];
1536 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1537 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1538 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1544 /* Check the link status of all ports in up to 9s, and print them finally */
1546 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1548 #define CHECK_INTERVAL 100 /* 100ms */
1549 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1550 uint8_t count, all_ports_up, print_flag = 0;
1552 struct rte_eth_link link;
1554 printf("\nChecking link status");
1556 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1558 for (portid = 0; portid < port_num; portid++) {
1559 if ((port_mask & (1 << portid)) == 0)
1561 memset(&link, 0, sizeof(link));
1562 rte_eth_link_get_nowait(portid, &link);
1563 /* print link status if flag set */
1564 if (print_flag == 1) {
1565 if (link.link_status)
1566 printf("Port %d Link Up - speed %u "
1567 "Mbps - %s\n", (uint8_t)portid,
1568 (unsigned)link.link_speed,
1569 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1570 ("full-duplex") : ("half-duplex\n"));
1572 printf("Port %d Link Down\n",
1576 /* clear all_ports_up flag if any link down */
1577 if (link.link_status == ETH_LINK_DOWN) {
1582 /* after finally printing all link status, get out */
1583 if (print_flag == 1)
1586 if (all_ports_up == 0) {
1589 rte_delay_ms(CHECK_INTERVAL);
1592 /* set the print_flag if all ports up or timeout */
1593 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1600 static int check_ptype(uint16_t portid)
1603 int ptype_l3_ipv4 = 0;
1604 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1605 int ptype_l3_ipv6 = 0;
1607 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1609 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1613 uint32_t ptypes[ret];
1615 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1616 for (i = 0; i < ret; ++i) {
1617 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1619 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1620 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1625 if (ptype_l3_ipv4 == 0)
1626 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1628 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1629 if (ptype_l3_ipv6 == 0)
1630 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1633 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1635 #else /* APP_LOOKUP_EXACT_MATCH */
1636 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1645 main(int argc, char **argv)
1647 struct lcore_conf *qconf;
1648 struct rte_eth_dev_info dev_info;
1649 struct rte_eth_txconf *txconf;
1655 uint32_t n_tx_queue, nb_lcores;
1656 uint32_t dev_rxq_num, dev_txq_num;
1657 uint8_t nb_rx_queue, queue, socketid;
1659 uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1661 /* catch SIGINT and restore cpufreq governor to ondemand */
1662 signal(SIGINT, signal_exit_now);
1665 ret = rte_eal_init(argc, argv);
1667 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1671 /* init RTE timer library to be used late */
1672 rte_timer_subsystem_init();
1674 /* parse application arguments (after the EAL ones) */
1675 ret = parse_args(argc, argv);
1677 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1679 if (check_lcore_params() < 0)
1680 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1682 ret = init_lcore_rx_queues();
1684 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1686 nb_ports = rte_eth_dev_count();
1688 if (check_port_config(nb_ports) < 0)
1689 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1691 nb_lcores = rte_lcore_count();
1693 /* initialize all ports */
1694 for (portid = 0; portid < nb_ports; portid++) {
1695 /* skip ports that are not enabled */
1696 if ((enabled_port_mask & (1 << portid)) == 0) {
1697 printf("\nSkipping disabled port %d\n", portid);
1702 printf("Initializing port %d ... ", portid );
1705 rte_eth_dev_info_get(portid, &dev_info);
1706 dev_rxq_num = dev_info.max_rx_queues;
1707 dev_txq_num = dev_info.max_tx_queues;
1709 nb_rx_queue = get_port_n_rx_queues(portid);
1710 if (nb_rx_queue > dev_rxq_num)
1711 rte_exit(EXIT_FAILURE,
1712 "Cannot configure not existed rxq: "
1713 "port=%d\n", portid);
1715 n_tx_queue = nb_lcores;
1716 if (n_tx_queue > dev_txq_num)
1717 n_tx_queue = dev_txq_num;
1718 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1719 nb_rx_queue, (unsigned)n_tx_queue );
1720 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1721 if (nb_rx_queue == 0)
1722 port_conf.intr_conf.rxq = 0;
1723 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1724 (uint16_t)n_tx_queue, &port_conf);
1725 /* Revert to original value */
1726 port_conf.intr_conf.rxq = org_rxq_intr;
1728 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1729 "err=%d, port=%d\n", ret, portid);
1731 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1734 rte_exit(EXIT_FAILURE,
1735 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1738 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1739 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1743 ret = init_mem(NB_MBUF);
1745 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1747 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1748 if (rte_lcore_is_enabled(lcore_id) == 0)
1751 /* Initialize TX buffers */
1752 qconf = &lcore_conf[lcore_id];
1753 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1754 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1755 rte_eth_dev_socket_id(portid));
1756 if (qconf->tx_buffer[portid] == NULL)
1757 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1760 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1763 /* init one TX queue per couple (lcore,port) */
1765 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1766 if (rte_lcore_is_enabled(lcore_id) == 0)
1769 if (queueid >= dev_txq_num)
1774 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1778 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1781 rte_eth_dev_info_get(portid, &dev_info);
1782 txconf = &dev_info.default_txconf;
1783 if (port_conf.rxmode.jumbo_frame)
1784 txconf->txq_flags = 0;
1785 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1788 rte_exit(EXIT_FAILURE,
1789 "rte_eth_tx_queue_setup: err=%d, "
1790 "port=%d\n", ret, portid);
1792 qconf = &lcore_conf[lcore_id];
1793 qconf->tx_queue_id[portid] = queueid;
1796 qconf->tx_port_id[qconf->n_tx_port] = portid;
1802 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1803 if (rte_lcore_is_enabled(lcore_id) == 0)
1806 /* init power management library */
1807 ret = rte_power_init(lcore_id);
1810 "Library initialization failed on core %u\n", lcore_id);
1812 /* init timer structures for each enabled lcore */
1813 rte_timer_init(&power_timers[lcore_id]);
1814 hz = rte_get_timer_hz();
1815 rte_timer_reset(&power_timers[lcore_id],
1816 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1817 power_timer_cb, NULL);
1819 qconf = &lcore_conf[lcore_id];
1820 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1822 /* init RX queues */
1823 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1824 portid = qconf->rx_queue_list[queue].port_id;
1825 queueid = qconf->rx_queue_list[queue].queue_id;
1829 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1833 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1836 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1838 pktmbuf_pool[socketid]);
1840 rte_exit(EXIT_FAILURE,
1841 "rte_eth_rx_queue_setup: err=%d, "
1842 "port=%d\n", ret, portid);
1845 if (add_cb_parse_ptype(portid, queueid) < 0)
1846 rte_exit(EXIT_FAILURE,
1847 "Fail to add ptype cb\n");
1848 } else if (!check_ptype(portid))
1849 rte_exit(EXIT_FAILURE,
1850 "PMD can not provide needed ptypes\n");
1857 for (portid = 0; portid < nb_ports; portid++) {
1858 if ((enabled_port_mask & (1 << portid)) == 0) {
1862 ret = rte_eth_dev_start(portid);
1864 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1865 "port=%d\n", ret, portid);
1867 * If enabled, put device in promiscuous mode.
1868 * This allows IO forwarding mode to forward packets
1869 * to itself through 2 cross-connected ports of the
1873 rte_eth_promiscuous_enable(portid);
1874 /* initialize spinlock for each port */
1875 rte_spinlock_init(&(locks[portid]));
1878 check_all_ports_link_status(nb_ports, enabled_port_mask);
1880 /* launch per-lcore init on every lcore */
1881 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1882 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1883 if (rte_eal_wait_lcore(lcore_id) < 0)