4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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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
82 /* around 100ms at 2 Ghz */
83 #define TIMER_RESOLUTION_CYCLES 200000000ULL
85 #define TIMER_NUMBER_PER_SECOND 10
87 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
88 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
90 #define APP_LOOKUP_EXACT_MATCH 0
91 #define APP_LOOKUP_LPM 1
92 #define DO_RFC_1812_CHECKS
94 #ifndef APP_LOOKUP_METHOD
95 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
98 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
100 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
103 #error "APP_LOOKUP_METHOD set to incorrect value"
107 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
108 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
109 #define IPv6_BYTES(addr) \
110 addr[0], addr[1], addr[2], addr[3], \
111 addr[4], addr[5], addr[6], addr[7], \
112 addr[8], addr[9], addr[10], addr[11],\
113 addr[12], addr[13],addr[14], addr[15]
116 #define MAX_JUMBO_PKT_LEN 9600
118 #define IPV6_ADDR_LEN 16
120 #define MEMPOOL_CACHE_SIZE 256
123 * This expression is used to calculate the number of mbufs needed depending on
124 * user input, taking into account memory for rx and tx hardware rings, cache
125 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
126 * NB_MBUF never goes below a minimum value of 8192.
129 #define NB_MBUF RTE_MAX ( \
130 (nb_ports*nb_rx_queue*nb_rxd + \
131 nb_ports*nb_lcores*MAX_PKT_BURST + \
132 nb_ports*n_tx_queue*nb_txd + \
133 nb_lcores*MEMPOOL_CACHE_SIZE), \
136 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
140 /* Configure how many packets ahead to prefetch, when reading packets */
141 #define PREFETCH_OFFSET 3
144 * Configurable number of RX/TX ring descriptors
146 #define RTE_TEST_RX_DESC_DEFAULT 512
147 #define RTE_TEST_TX_DESC_DEFAULT 512
148 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
149 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
151 /* ethernet addresses of ports */
152 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
154 /* ethernet addresses of ports */
155 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
157 /* mask of enabled ports */
158 static uint32_t enabled_port_mask = 0;
159 /* Ports set in promiscuous mode off by default. */
160 static int promiscuous_on = 0;
161 /* NUMA is enabled by default. */
162 static int numa_on = 1;
163 static int parse_ptype; /**< Parse packet type using rx callback, and */
164 /**< disabled by default */
166 enum freq_scale_hint_t
174 struct lcore_rx_queue {
177 enum freq_scale_hint_t freq_up_hint;
178 uint32_t zero_rx_packet_count;
180 } __rte_cache_aligned;
182 #define MAX_RX_QUEUE_PER_LCORE 16
183 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
184 #define MAX_RX_QUEUE_PER_PORT 128
186 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
189 #define MAX_LCORE_PARAMS 1024
190 struct lcore_params {
194 } __rte_cache_aligned;
196 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
197 static struct lcore_params lcore_params_array_default[] = {
209 static struct lcore_params * lcore_params = lcore_params_array_default;
210 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
211 sizeof(lcore_params_array_default[0]);
213 static struct rte_eth_conf port_conf = {
215 .mq_mode = ETH_MQ_RX_RSS,
216 .max_rx_pkt_len = ETHER_MAX_LEN,
218 .header_split = 0, /**< Header Split disabled */
219 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
220 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
221 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
222 .hw_strip_crc = 1, /**< CRC stripped by hardware */
227 .rss_hf = ETH_RSS_UDP,
231 .mq_mode = ETH_MQ_TX_NONE,
239 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
242 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
245 #include <rte_hash_crc.h>
246 #define DEFAULT_HASH_FUNC rte_hash_crc
248 #include <rte_jhash.h>
249 #define DEFAULT_HASH_FUNC rte_jhash
258 } __attribute__((__packed__));
261 uint8_t ip_dst[IPV6_ADDR_LEN];
262 uint8_t ip_src[IPV6_ADDR_LEN];
266 } __attribute__((__packed__));
268 struct ipv4_l3fwd_route {
269 struct ipv4_5tuple key;
273 struct ipv6_l3fwd_route {
274 struct ipv6_5tuple key;
278 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
279 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
280 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
281 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
282 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
285 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
288 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
289 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
290 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
291 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
297 typedef struct rte_hash lookup_struct_t;
298 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
299 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
301 #define L3FWD_HASH_ENTRIES 1024
303 #define IPV4_L3FWD_NUM_ROUTES \
304 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
306 #define IPV6_L3FWD_NUM_ROUTES \
307 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
309 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
310 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
313 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
314 struct ipv4_l3fwd_route {
320 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
321 {IPv4(1,1,1,0), 24, 0},
322 {IPv4(2,1,1,0), 24, 1},
323 {IPv4(3,1,1,0), 24, 2},
324 {IPv4(4,1,1,0), 24, 3},
325 {IPv4(5,1,1,0), 24, 4},
326 {IPv4(6,1,1,0), 24, 5},
327 {IPv4(7,1,1,0), 24, 6},
328 {IPv4(8,1,1,0), 24, 7},
331 #define IPV4_L3FWD_NUM_ROUTES \
332 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
334 #define IPV4_L3FWD_LPM_MAX_RULES 1024
336 typedef struct rte_lpm lookup_struct_t;
337 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
342 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
344 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
345 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
346 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
347 lookup_struct_t * ipv4_lookup_struct;
348 lookup_struct_t * ipv6_lookup_struct;
349 } __rte_cache_aligned;
352 /* total sleep time in ms since last frequency scaling down */
354 /* number of long sleep recently */
355 uint32_t nb_long_sleep;
356 /* freq. scaling up trend */
358 /* total packet processed recently */
359 uint64_t nb_rx_processed;
360 /* total iterations looped recently */
361 uint64_t nb_iteration_looped;
363 } __rte_cache_aligned;
365 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
366 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
367 static struct rte_timer power_timers[RTE_MAX_LCORE];
369 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
370 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
371 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
373 /* exit signal handler */
375 signal_exit_now(int sigtype)
378 unsigned int portid, nb_ports;
381 if (sigtype == SIGINT) {
382 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
383 if (rte_lcore_is_enabled(lcore_id) == 0)
386 /* init power management library */
387 ret = rte_power_exit(lcore_id);
389 rte_exit(EXIT_FAILURE, "Power management "
390 "library de-initialization failed on "
391 "core%u\n", lcore_id);
394 nb_ports = rte_eth_dev_count();
395 for (portid = 0; portid < nb_ports; portid++) {
396 if ((enabled_port_mask & (1 << portid)) == 0)
399 rte_eth_dev_stop(portid);
400 rte_eth_dev_close(portid);
404 rte_exit(EXIT_SUCCESS, "User forced exit\n");
407 /* Freqency scale down timer callback */
409 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
410 __attribute__((unused)) void *arg)
413 float sleep_time_ratio;
414 unsigned lcore_id = rte_lcore_id();
416 /* accumulate total execution time in us when callback is invoked */
417 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
418 (float)SCALING_PERIOD;
420 * check whether need to scale down frequency a step if it sleep a lot.
422 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
423 if (rte_power_freq_down)
424 rte_power_freq_down(lcore_id);
426 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
427 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
429 * scale down a step if average packet per iteration less
432 if (rte_power_freq_down)
433 rte_power_freq_down(lcore_id);
437 * initialize another timer according to current frequency to ensure
438 * timer interval is relatively fixed.
440 hz = rte_get_timer_hz();
441 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
442 SINGLE, lcore_id, power_timer_cb, NULL);
444 stats[lcore_id].nb_rx_processed = 0;
445 stats[lcore_id].nb_iteration_looped = 0;
447 stats[lcore_id].sleep_time = 0;
450 /* Enqueue a single packet, and send burst if queue is filled */
452 send_single_packet(struct rte_mbuf *m, uint16_t port)
455 struct lcore_conf *qconf;
457 lcore_id = rte_lcore_id();
458 qconf = &lcore_conf[lcore_id];
460 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
461 qconf->tx_buffer[port], m);
466 #ifdef DO_RFC_1812_CHECKS
468 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
470 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
472 * 1. The packet length reported by the Link Layer must be large
473 * enough to hold the minimum length legal IP datagram (20 bytes).
475 if (link_len < sizeof(struct ipv4_hdr))
478 /* 2. The IP checksum must be correct. */
479 /* this is checked in H/W */
482 * 3. The IP version number must be 4. If the version number is not 4
483 * then the packet may be another version of IP, such as IPng or
486 if (((pkt->version_ihl) >> 4) != 4)
489 * 4. The IP header length field must be large enough to hold the
490 * minimum length legal IP datagram (20 bytes = 5 words).
492 if ((pkt->version_ihl & 0xf) < 5)
496 * 5. The IP total length field must be large enough to hold the IP
497 * datagram header, whose length is specified in the IP header length
500 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
507 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
509 print_ipv4_key(struct ipv4_5tuple key)
511 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
512 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
513 key.port_dst, key.port_src, key.proto);
516 print_ipv6_key(struct ipv6_5tuple key)
518 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
519 "port dst = %d, port src = %d, proto = %d\n",
520 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
521 key.port_dst, key.port_src, key.proto);
524 static inline uint16_t
525 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
526 lookup_struct_t * ipv4_l3fwd_lookup_struct)
528 struct ipv4_5tuple key;
533 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
534 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
535 key.proto = ipv4_hdr->next_proto_id;
537 switch (ipv4_hdr->next_proto_id) {
539 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
540 sizeof(struct ipv4_hdr));
541 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
542 key.port_src = rte_be_to_cpu_16(tcp->src_port);
546 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
547 sizeof(struct ipv4_hdr));
548 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
549 key.port_src = rte_be_to_cpu_16(udp->src_port);
558 /* Find destination port */
559 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
560 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
563 static inline uint16_t
564 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
565 lookup_struct_t *ipv6_l3fwd_lookup_struct)
567 struct ipv6_5tuple key;
572 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
573 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
575 key.proto = ipv6_hdr->proto;
577 switch (ipv6_hdr->proto) {
579 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
580 sizeof(struct ipv6_hdr));
581 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
582 key.port_src = rte_be_to_cpu_16(tcp->src_port);
586 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
587 sizeof(struct ipv6_hdr));
588 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
589 key.port_src = rte_be_to_cpu_16(udp->src_port);
598 /* Find destination port */
599 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
600 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
604 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
605 static inline uint16_t
606 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
607 lookup_struct_t *ipv4_l3fwd_lookup_struct)
611 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
612 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
618 parse_ptype_one(struct rte_mbuf *m)
620 struct ether_hdr *eth_hdr;
621 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
624 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
625 ether_type = eth_hdr->ether_type;
626 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
627 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
628 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
629 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
631 m->packet_type = packet_type;
635 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
636 struct rte_mbuf *pkts[], uint16_t nb_pkts,
637 uint16_t max_pkts __rte_unused,
638 void *user_param __rte_unused)
642 for (i = 0; i < nb_pkts; ++i)
643 parse_ptype_one(pkts[i]);
649 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
651 printf("Port %d: softly parse packet type info\n", portid);
652 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
655 printf("Failed to add rx callback: port=%d\n", portid);
660 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
661 struct lcore_conf *qconf)
663 struct ether_hdr *eth_hdr;
664 struct ipv4_hdr *ipv4_hdr;
668 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
670 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
671 /* Handle IPv4 headers.*/
673 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
674 sizeof(struct ether_hdr));
676 #ifdef DO_RFC_1812_CHECKS
677 /* Check to make sure the packet is valid (RFC1812) */
678 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
684 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
685 qconf->ipv4_lookup_struct);
686 if (dst_port >= RTE_MAX_ETHPORTS ||
687 (enabled_port_mask & 1 << dst_port) == 0)
690 /* 02:00:00:00:00:xx */
691 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
692 *((uint64_t *)d_addr_bytes) =
693 0x000000000002 + ((uint64_t)dst_port << 40);
695 #ifdef DO_RFC_1812_CHECKS
696 /* Update time to live and header checksum */
697 --(ipv4_hdr->time_to_live);
698 ++(ipv4_hdr->hdr_checksum);
702 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
704 send_single_packet(m, dst_port);
705 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
706 /* Handle IPv6 headers.*/
707 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
708 struct ipv6_hdr *ipv6_hdr;
711 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
712 sizeof(struct ether_hdr));
714 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
715 qconf->ipv6_lookup_struct);
717 if (dst_port >= RTE_MAX_ETHPORTS ||
718 (enabled_port_mask & 1 << dst_port) == 0)
721 /* 02:00:00:00:00:xx */
722 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
723 *((uint64_t *)d_addr_bytes) =
724 0x000000000002 + ((uint64_t)dst_port << 40);
727 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
729 send_single_packet(m, dst_port);
731 /* We don't currently handle IPv6 packets in LPM mode. */
739 #define MINIMUM_SLEEP_TIME 1
740 #define SUSPEND_THRESHOLD 300
742 static inline uint32_t
743 power_idle_heuristic(uint32_t zero_rx_packet_count)
745 /* If zero count is less than 100, sleep 1us */
746 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
747 return MINIMUM_SLEEP_TIME;
748 /* If zero count is less than 1000, sleep 100 us which is the
749 minimum latency switching from C3/C6 to C0
752 return SUSPEND_THRESHOLD;
755 static inline enum freq_scale_hint_t
756 power_freq_scaleup_heuristic(unsigned lcore_id,
761 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
764 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
765 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
766 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
767 #define FREQ_UP_TREND1_ACC 1
768 #define FREQ_UP_TREND2_ACC 100
769 #define FREQ_UP_THRESHOLD 10000
771 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
772 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
773 stats[lcore_id].trend = 0;
775 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
776 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
777 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
778 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
779 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
780 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
782 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
783 stats[lcore_id].trend = 0;
791 * force polling thread sleep until one-shot rx interrupt triggers
800 sleep_until_rx_interrupt(int num)
802 struct rte_epoll_event event[num];
808 RTE_LOG(INFO, L3FWD_POWER,
809 "lcore %u sleeps until interrupt triggers\n",
812 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
813 for (i = 0; i < n; i++) {
814 data = event[i].epdata.data;
815 port_id = ((uintptr_t)data) >> CHAR_BIT;
816 queue_id = ((uintptr_t)data) &
817 RTE_LEN2MASK(CHAR_BIT, uint8_t);
818 rte_eth_dev_rx_intr_disable(port_id, queue_id);
819 RTE_LOG(INFO, L3FWD_POWER,
820 "lcore %u is waked up from rx interrupt on"
821 " port %d queue %d\n",
822 rte_lcore_id(), port_id, queue_id);
828 static void turn_on_intr(struct lcore_conf *qconf)
831 struct lcore_rx_queue *rx_queue;
835 for (i = 0; i < qconf->n_rx_queue; ++i) {
836 rx_queue = &(qconf->rx_queue_list[i]);
837 port_id = rx_queue->port_id;
838 queue_id = rx_queue->queue_id;
840 rte_spinlock_lock(&(locks[port_id]));
841 rte_eth_dev_rx_intr_enable(port_id, queue_id);
842 rte_spinlock_unlock(&(locks[port_id]));
846 static int event_register(struct lcore_conf *qconf)
848 struct lcore_rx_queue *rx_queue;
855 for (i = 0; i < qconf->n_rx_queue; ++i) {
856 rx_queue = &(qconf->rx_queue_list[i]);
857 portid = rx_queue->port_id;
858 queueid = rx_queue->queue_id;
859 data = portid << CHAR_BIT | queueid;
861 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
862 RTE_EPOLL_PER_THREAD,
864 (void *)((uintptr_t)data));
872 /* main processing loop */
874 main_loop(__attribute__((unused)) void *dummy)
876 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
878 uint64_t prev_tsc, diff_tsc, cur_tsc;
879 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
883 struct lcore_conf *qconf;
884 struct lcore_rx_queue *rx_queue;
885 enum freq_scale_hint_t lcore_scaleup_hint;
886 uint32_t lcore_rx_idle_count = 0;
887 uint32_t lcore_idle_hint = 0;
890 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
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 > TIMER_RESOLUTION_CYCLES) {
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 */
1058 stats[lcore_id].sleep_time += lcore_idle_hint;
1064 check_lcore_params(void)
1066 uint8_t queue, lcore;
1070 for (i = 0; i < nb_lcore_params; ++i) {
1071 queue = lcore_params[i].queue_id;
1072 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1073 printf("invalid queue number: %hhu\n", queue);
1076 lcore = lcore_params[i].lcore_id;
1077 if (!rte_lcore_is_enabled(lcore)) {
1078 printf("error: lcore %hhu is not enabled in lcore "
1082 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1084 printf("warning: lcore %hhu is on socket %d with numa "
1085 "off\n", lcore, socketid);
1092 check_port_config(const unsigned nb_ports)
1097 for (i = 0; i < nb_lcore_params; ++i) {
1098 portid = lcore_params[i].port_id;
1099 if ((enabled_port_mask & (1 << portid)) == 0) {
1100 printf("port %u is not enabled in port mask\n",
1104 if (portid >= nb_ports) {
1105 printf("port %u is not present on the board\n",
1114 get_port_n_rx_queues(const uint16_t port)
1119 for (i = 0; i < nb_lcore_params; ++i) {
1120 if (lcore_params[i].port_id == port &&
1121 lcore_params[i].queue_id > queue)
1122 queue = lcore_params[i].queue_id;
1124 return (uint8_t)(++queue);
1128 init_lcore_rx_queues(void)
1130 uint16_t i, nb_rx_queue;
1133 for (i = 0; i < nb_lcore_params; ++i) {
1134 lcore = lcore_params[i].lcore_id;
1135 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1136 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1137 printf("error: too many queues (%u) for lcore: %u\n",
1138 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1141 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1142 lcore_params[i].port_id;
1143 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1144 lcore_params[i].queue_id;
1145 lcore_conf[lcore].n_rx_queue++;
1153 print_usage(const char *prgname)
1155 printf ("%s [EAL options] -- -p PORTMASK -P"
1156 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1157 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1158 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1159 " -P : enable promiscuous mode\n"
1160 " --config (port,queue,lcore): rx queues configuration\n"
1161 " --no-numa: optional, disable numa awareness\n"
1162 " --enable-jumbo: enable jumbo frame"
1163 " which max packet len is PKTLEN in decimal (64-9600)\n"
1164 " --parse-ptype: parse packet type by software\n",
1168 static int parse_max_pkt_len(const char *pktlen)
1173 /* parse decimal string */
1174 len = strtoul(pktlen, &end, 10);
1175 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1185 parse_portmask(const char *portmask)
1190 /* parse hexadecimal string */
1191 pm = strtoul(portmask, &end, 16);
1192 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1202 parse_config(const char *q_arg)
1205 const char *p, *p0 = q_arg;
1213 unsigned long int_fld[_NUM_FLD];
1214 char *str_fld[_NUM_FLD];
1218 nb_lcore_params = 0;
1220 while ((p = strchr(p0,'(')) != NULL) {
1222 if((p0 = strchr(p,')')) == NULL)
1226 if(size >= sizeof(s))
1229 snprintf(s, sizeof(s), "%.*s", size, p);
1230 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1233 for (i = 0; i < _NUM_FLD; i++){
1235 int_fld[i] = strtoul(str_fld[i], &end, 0);
1236 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1240 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1241 printf("exceeded max number of lcore params: %hu\n",
1245 lcore_params_array[nb_lcore_params].port_id =
1246 (uint8_t)int_fld[FLD_PORT];
1247 lcore_params_array[nb_lcore_params].queue_id =
1248 (uint8_t)int_fld[FLD_QUEUE];
1249 lcore_params_array[nb_lcore_params].lcore_id =
1250 (uint8_t)int_fld[FLD_LCORE];
1253 lcore_params = lcore_params_array;
1258 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1260 /* Parse the argument given in the command line of the application */
1262 parse_args(int argc, char **argv)
1267 char *prgname = argv[0];
1268 static struct option lgopts[] = {
1269 {"config", 1, 0, 0},
1270 {"no-numa", 0, 0, 0},
1271 {"enable-jumbo", 0, 0, 0},
1272 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1278 while ((opt = getopt_long(argc, argvopt, "p:P",
1279 lgopts, &option_index)) != EOF) {
1284 enabled_port_mask = parse_portmask(optarg);
1285 if (enabled_port_mask == 0) {
1286 printf("invalid portmask\n");
1287 print_usage(prgname);
1292 printf("Promiscuous mode selected\n");
1298 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1299 ret = parse_config(optarg);
1301 printf("invalid config\n");
1302 print_usage(prgname);
1307 if (!strncmp(lgopts[option_index].name,
1309 printf("numa is disabled \n");
1313 if (!strncmp(lgopts[option_index].name,
1314 "enable-jumbo", 12)) {
1315 struct option lenopts =
1316 {"max-pkt-len", required_argument, \
1319 printf("jumbo frame is enabled \n");
1320 port_conf.rxmode.jumbo_frame = 1;
1323 * if no max-pkt-len set, use the default value
1326 if (0 == getopt_long(argc, argvopt, "",
1327 &lenopts, &option_index)) {
1328 ret = parse_max_pkt_len(optarg);
1330 (ret > MAX_JUMBO_PKT_LEN)){
1331 printf("invalid packet "
1333 print_usage(prgname);
1336 port_conf.rxmode.max_rx_pkt_len = ret;
1338 printf("set jumbo frame "
1339 "max packet length to %u\n",
1340 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1343 if (!strncmp(lgopts[option_index].name,
1344 CMD_LINE_OPT_PARSE_PTYPE,
1345 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1346 printf("soft parse-ptype is enabled\n");
1353 print_usage(prgname);
1359 argv[optind-1] = prgname;
1362 optind = 1; /* reset getopt lib */
1367 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1369 char buf[ETHER_ADDR_FMT_SIZE];
1370 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1371 printf("%s%s", name, buf);
1374 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1376 setup_hash(int socketid)
1378 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1380 .entries = L3FWD_HASH_ENTRIES,
1381 .key_len = sizeof(struct ipv4_5tuple),
1382 .hash_func = DEFAULT_HASH_FUNC,
1383 .hash_func_init_val = 0,
1386 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1388 .entries = L3FWD_HASH_ENTRIES,
1389 .key_len = sizeof(struct ipv6_5tuple),
1390 .hash_func = DEFAULT_HASH_FUNC,
1391 .hash_func_init_val = 0,
1398 /* create ipv4 hash */
1399 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1400 ipv4_l3fwd_hash_params.name = s;
1401 ipv4_l3fwd_hash_params.socket_id = socketid;
1402 ipv4_l3fwd_lookup_struct[socketid] =
1403 rte_hash_create(&ipv4_l3fwd_hash_params);
1404 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1405 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1406 "socket %d\n", socketid);
1408 /* create ipv6 hash */
1409 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1410 ipv6_l3fwd_hash_params.name = s;
1411 ipv6_l3fwd_hash_params.socket_id = socketid;
1412 ipv6_l3fwd_lookup_struct[socketid] =
1413 rte_hash_create(&ipv6_l3fwd_hash_params);
1414 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1415 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1416 "socket %d\n", socketid);
1419 /* populate the ipv4 hash */
1420 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1421 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1422 (void *) &ipv4_l3fwd_route_array[i].key);
1424 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1425 "l3fwd hash on socket %d\n", i, socketid);
1427 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1428 printf("Hash: Adding key\n");
1429 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1432 /* populate the ipv6 hash */
1433 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1434 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1435 (void *) &ipv6_l3fwd_route_array[i].key);
1437 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1438 "l3fwd hash on socket %d\n", i, socketid);
1440 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1441 printf("Hash: Adding key\n");
1442 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1447 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1449 setup_lpm(int socketid)
1455 /* create the LPM table */
1456 struct rte_lpm_config lpm_ipv4_config;
1458 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1459 lpm_ipv4_config.number_tbl8s = 256;
1460 lpm_ipv4_config.flags = 0;
1462 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1463 ipv4_l3fwd_lookup_struct[socketid] =
1464 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1465 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1466 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1467 " on socket %d\n", socketid);
1469 /* populate the LPM table */
1470 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1471 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1472 ipv4_l3fwd_route_array[i].ip,
1473 ipv4_l3fwd_route_array[i].depth,
1474 ipv4_l3fwd_route_array[i].if_out);
1477 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1478 "l3fwd LPM table on socket %d\n",
1482 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1483 (unsigned)ipv4_l3fwd_route_array[i].ip,
1484 ipv4_l3fwd_route_array[i].depth,
1485 ipv4_l3fwd_route_array[i].if_out);
1491 init_mem(unsigned nb_mbuf)
1493 struct lcore_conf *qconf;
1498 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1499 if (rte_lcore_is_enabled(lcore_id) == 0)
1503 socketid = rte_lcore_to_socket_id(lcore_id);
1507 if (socketid >= NB_SOCKETS) {
1508 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1509 "out of range %d\n", socketid,
1510 lcore_id, NB_SOCKETS);
1512 if (pktmbuf_pool[socketid] == NULL) {
1513 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1514 pktmbuf_pool[socketid] =
1515 rte_pktmbuf_pool_create(s, nb_mbuf,
1516 MEMPOOL_CACHE_SIZE, 0,
1517 RTE_MBUF_DEFAULT_BUF_SIZE,
1519 if (pktmbuf_pool[socketid] == NULL)
1520 rte_exit(EXIT_FAILURE,
1521 "Cannot init mbuf pool on socket %d\n",
1524 printf("Allocated mbuf pool on socket %d\n",
1527 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1528 setup_lpm(socketid);
1530 setup_hash(socketid);
1533 qconf = &lcore_conf[lcore_id];
1534 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1535 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1536 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1542 /* Check the link status of all ports in up to 9s, and print them finally */
1544 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1546 #define CHECK_INTERVAL 100 /* 100ms */
1547 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1548 uint8_t count, all_ports_up, print_flag = 0;
1550 struct rte_eth_link link;
1552 printf("\nChecking link status");
1554 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1556 for (portid = 0; portid < port_num; portid++) {
1557 if ((port_mask & (1 << portid)) == 0)
1559 memset(&link, 0, sizeof(link));
1560 rte_eth_link_get_nowait(portid, &link);
1561 /* print link status if flag set */
1562 if (print_flag == 1) {
1563 if (link.link_status)
1564 printf("Port %d Link Up - speed %u "
1565 "Mbps - %s\n", (uint8_t)portid,
1566 (unsigned)link.link_speed,
1567 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1568 ("full-duplex") : ("half-duplex\n"));
1570 printf("Port %d Link Down\n",
1574 /* clear all_ports_up flag if any link down */
1575 if (link.link_status == ETH_LINK_DOWN) {
1580 /* after finally printing all link status, get out */
1581 if (print_flag == 1)
1584 if (all_ports_up == 0) {
1587 rte_delay_ms(CHECK_INTERVAL);
1590 /* set the print_flag if all ports up or timeout */
1591 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1598 static int check_ptype(uint16_t portid)
1601 int ptype_l3_ipv4 = 0;
1602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1603 int ptype_l3_ipv6 = 0;
1605 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1607 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1611 uint32_t ptypes[ret];
1613 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1614 for (i = 0; i < ret; ++i) {
1615 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1617 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1618 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1623 if (ptype_l3_ipv4 == 0)
1624 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1626 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1627 if (ptype_l3_ipv6 == 0)
1628 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1631 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1633 #else /* APP_LOOKUP_EXACT_MATCH */
1634 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1643 main(int argc, char **argv)
1645 struct lcore_conf *qconf;
1646 struct rte_eth_dev_info dev_info;
1647 struct rte_eth_txconf *txconf;
1653 uint32_t n_tx_queue, nb_lcores;
1654 uint32_t dev_rxq_num, dev_txq_num;
1655 uint8_t nb_rx_queue, queue, socketid;
1657 uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1659 /* catch SIGINT and restore cpufreq governor to ondemand */
1660 signal(SIGINT, signal_exit_now);
1663 ret = rte_eal_init(argc, argv);
1665 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1669 /* init RTE timer library to be used late */
1670 rte_timer_subsystem_init();
1672 /* parse application arguments (after the EAL ones) */
1673 ret = parse_args(argc, argv);
1675 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1677 if (check_lcore_params() < 0)
1678 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1680 ret = init_lcore_rx_queues();
1682 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1684 nb_ports = rte_eth_dev_count();
1686 if (check_port_config(nb_ports) < 0)
1687 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1689 nb_lcores = rte_lcore_count();
1691 /* initialize all ports */
1692 for (portid = 0; portid < nb_ports; portid++) {
1693 /* skip ports that are not enabled */
1694 if ((enabled_port_mask & (1 << portid)) == 0) {
1695 printf("\nSkipping disabled port %d\n", portid);
1700 printf("Initializing port %d ... ", portid );
1703 rte_eth_dev_info_get(portid, &dev_info);
1704 dev_rxq_num = dev_info.max_rx_queues;
1705 dev_txq_num = dev_info.max_tx_queues;
1707 nb_rx_queue = get_port_n_rx_queues(portid);
1708 if (nb_rx_queue > dev_rxq_num)
1709 rte_exit(EXIT_FAILURE,
1710 "Cannot configure not existed rxq: "
1711 "port=%d\n", portid);
1713 n_tx_queue = nb_lcores;
1714 if (n_tx_queue > dev_txq_num)
1715 n_tx_queue = dev_txq_num;
1716 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1717 nb_rx_queue, (unsigned)n_tx_queue );
1718 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1719 if (nb_rx_queue == 0)
1720 port_conf.intr_conf.rxq = 0;
1721 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1722 (uint16_t)n_tx_queue, &port_conf);
1723 /* Revert to original value */
1724 port_conf.intr_conf.rxq = org_rxq_intr;
1726 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1727 "err=%d, port=%d\n", ret, portid);
1729 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1732 rte_exit(EXIT_FAILURE,
1733 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1736 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1737 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1741 ret = init_mem(NB_MBUF);
1743 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1745 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1746 if (rte_lcore_is_enabled(lcore_id) == 0)
1749 /* Initialize TX buffers */
1750 qconf = &lcore_conf[lcore_id];
1751 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1752 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1753 rte_eth_dev_socket_id(portid));
1754 if (qconf->tx_buffer[portid] == NULL)
1755 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1758 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1761 /* init one TX queue per couple (lcore,port) */
1763 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1764 if (rte_lcore_is_enabled(lcore_id) == 0)
1767 if (queueid >= dev_txq_num)
1772 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1776 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1779 rte_eth_dev_info_get(portid, &dev_info);
1780 txconf = &dev_info.default_txconf;
1781 if (port_conf.rxmode.jumbo_frame)
1782 txconf->txq_flags = 0;
1783 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1786 rte_exit(EXIT_FAILURE,
1787 "rte_eth_tx_queue_setup: err=%d, "
1788 "port=%d\n", ret, portid);
1790 qconf = &lcore_conf[lcore_id];
1791 qconf->tx_queue_id[portid] = queueid;
1794 qconf->tx_port_id[qconf->n_tx_port] = portid;
1800 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1801 if (rte_lcore_is_enabled(lcore_id) == 0)
1804 /* init power management library */
1805 ret = rte_power_init(lcore_id);
1808 "Library initialization failed on core %u\n", lcore_id);
1810 /* init timer structures for each enabled lcore */
1811 rte_timer_init(&power_timers[lcore_id]);
1812 hz = rte_get_timer_hz();
1813 rte_timer_reset(&power_timers[lcore_id],
1814 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1815 power_timer_cb, NULL);
1817 qconf = &lcore_conf[lcore_id];
1818 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1820 /* init RX queues */
1821 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1822 portid = qconf->rx_queue_list[queue].port_id;
1823 queueid = qconf->rx_queue_list[queue].queue_id;
1827 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1831 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1834 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1836 pktmbuf_pool[socketid]);
1838 rte_exit(EXIT_FAILURE,
1839 "rte_eth_rx_queue_setup: err=%d, "
1840 "port=%d\n", ret, portid);
1843 if (add_cb_parse_ptype(portid, queueid) < 0)
1844 rte_exit(EXIT_FAILURE,
1845 "Fail to add ptype cb\n");
1846 } else if (!check_ptype(portid))
1847 rte_exit(EXIT_FAILURE,
1848 "PMD can not provide needed ptypes\n");
1855 for (portid = 0; portid < nb_ports; portid++) {
1856 if ((enabled_port_mask & (1 << portid)) == 0) {
1860 ret = rte_eth_dev_start(portid);
1862 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1863 "port=%d\n", ret, portid);
1865 * If enabled, put device in promiscuous mode.
1866 * This allows IO forwarding mode to forward packets
1867 * to itself through 2 cross-connected ports of the
1871 rte_eth_promiscuous_enable(portid);
1872 /* initialize spinlock for each port */
1873 rte_spinlock_init(&(locks[portid]));
1876 check_all_ports_link_status(nb_ports, enabled_port_mask);
1878 /* launch per-lcore init on every lcore */
1879 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1880 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1881 if (rte_eal_wait_lcore(lcore_id) < 0)