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>
53 #include <rte_memzone.h>
55 #include <rte_launch.h>
56 #include <rte_atomic.h>
57 #include <rte_cycles.h>
58 #include <rte_prefetch.h>
59 #include <rte_lcore.h>
60 #include <rte_per_lcore.h>
61 #include <rte_branch_prediction.h>
62 #include <rte_interrupts.h>
64 #include <rte_random.h>
65 #include <rte_debug.h>
66 #include <rte_ether.h>
67 #include <rte_ethdev.h>
68 #include <rte_mempool.h>
73 #include <rte_string_fns.h>
74 #include <rte_timer.h>
75 #include <rte_power.h>
76 #include <rte_spinlock.h>
78 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
80 #define MAX_PKT_BURST 32
82 #define MIN_ZERO_POLL_COUNT 10
84 /* around 100ms at 2 Ghz */
85 #define TIMER_RESOLUTION_CYCLES 200000000ULL
87 #define TIMER_NUMBER_PER_SECOND 10
89 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
90 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
92 #define APP_LOOKUP_EXACT_MATCH 0
93 #define APP_LOOKUP_LPM 1
94 #define DO_RFC_1812_CHECKS
96 #ifndef APP_LOOKUP_METHOD
97 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
100 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
101 #include <rte_hash.h>
102 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
105 #error "APP_LOOKUP_METHOD set to incorrect value"
109 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
110 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
111 #define IPv6_BYTES(addr) \
112 addr[0], addr[1], addr[2], addr[3], \
113 addr[4], addr[5], addr[6], addr[7], \
114 addr[8], addr[9], addr[10], addr[11],\
115 addr[12], addr[13],addr[14], addr[15]
118 #define MAX_JUMBO_PKT_LEN 9600
120 #define IPV6_ADDR_LEN 16
122 #define MEMPOOL_CACHE_SIZE 256
125 * This expression is used to calculate the number of mbufs needed depending on
126 * user input, taking into account memory for rx and tx hardware rings, cache
127 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
128 * NB_MBUF never goes below a minimum value of 8192.
131 #define NB_MBUF RTE_MAX ( \
132 (nb_ports*nb_rx_queue*nb_rxd + \
133 nb_ports*nb_lcores*MAX_PKT_BURST + \
134 nb_ports*n_tx_queue*nb_txd + \
135 nb_lcores*MEMPOOL_CACHE_SIZE), \
138 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
142 /* Configure how many packets ahead to prefetch, when reading packets */
143 #define PREFETCH_OFFSET 3
146 * Configurable number of RX/TX ring descriptors
148 #define RTE_TEST_RX_DESC_DEFAULT 512
149 #define RTE_TEST_TX_DESC_DEFAULT 512
150 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
151 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
153 /* ethernet addresses of ports */
154 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
156 /* ethernet addresses of ports */
157 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
159 /* mask of enabled ports */
160 static uint32_t enabled_port_mask = 0;
161 /* Ports set in promiscuous mode off by default. */
162 static int promiscuous_on = 0;
163 /* NUMA is enabled by default. */
164 static int numa_on = 1;
165 static int parse_ptype; /**< Parse packet type using rx callback, and */
166 /**< disabled by default */
168 enum freq_scale_hint_t
176 struct lcore_rx_queue {
179 enum freq_scale_hint_t freq_up_hint;
180 uint32_t zero_rx_packet_count;
182 } __rte_cache_aligned;
184 #define MAX_RX_QUEUE_PER_LCORE 16
185 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
186 #define MAX_RX_QUEUE_PER_PORT 128
188 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
191 #define MAX_LCORE_PARAMS 1024
192 struct lcore_params {
196 } __rte_cache_aligned;
198 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
199 static struct lcore_params lcore_params_array_default[] = {
211 static struct lcore_params * lcore_params = lcore_params_array_default;
212 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
213 sizeof(lcore_params_array_default[0]);
215 static struct rte_eth_conf port_conf = {
217 .mq_mode = ETH_MQ_RX_RSS,
218 .max_rx_pkt_len = ETHER_MAX_LEN,
220 .header_split = 0, /**< Header Split disabled */
221 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
222 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
223 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
224 .hw_strip_crc = 1, /**< CRC stripped by hardware */
229 .rss_hf = ETH_RSS_UDP,
233 .mq_mode = ETH_MQ_TX_NONE,
241 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
244 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
247 #include <rte_hash_crc.h>
248 #define DEFAULT_HASH_FUNC rte_hash_crc
250 #include <rte_jhash.h>
251 #define DEFAULT_HASH_FUNC rte_jhash
260 } __attribute__((__packed__));
263 uint8_t ip_dst[IPV6_ADDR_LEN];
264 uint8_t ip_src[IPV6_ADDR_LEN];
268 } __attribute__((__packed__));
270 struct ipv4_l3fwd_route {
271 struct ipv4_5tuple key;
275 struct ipv6_l3fwd_route {
276 struct ipv6_5tuple key;
280 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
281 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
282 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
283 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
284 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
287 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
290 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
291 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
292 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
293 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
299 typedef struct rte_hash lookup_struct_t;
300 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
301 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
303 #define L3FWD_HASH_ENTRIES 1024
305 #define IPV4_L3FWD_NUM_ROUTES \
306 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
308 #define IPV6_L3FWD_NUM_ROUTES \
309 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
311 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
312 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
315 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
316 struct ipv4_l3fwd_route {
322 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
323 {IPv4(1,1,1,0), 24, 0},
324 {IPv4(2,1,1,0), 24, 1},
325 {IPv4(3,1,1,0), 24, 2},
326 {IPv4(4,1,1,0), 24, 3},
327 {IPv4(5,1,1,0), 24, 4},
328 {IPv4(6,1,1,0), 24, 5},
329 {IPv4(7,1,1,0), 24, 6},
330 {IPv4(8,1,1,0), 24, 7},
333 #define IPV4_L3FWD_NUM_ROUTES \
334 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
336 #define IPV4_L3FWD_LPM_MAX_RULES 1024
338 typedef struct rte_lpm lookup_struct_t;
339 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
344 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
346 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
347 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
348 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
349 lookup_struct_t * ipv4_lookup_struct;
350 lookup_struct_t * ipv6_lookup_struct;
351 } __rte_cache_aligned;
354 /* total sleep time in ms since last frequency scaling down */
356 /* number of long sleep recently */
357 uint32_t nb_long_sleep;
358 /* freq. scaling up trend */
360 /* total packet processed recently */
361 uint64_t nb_rx_processed;
362 /* total iterations looped recently */
363 uint64_t nb_iteration_looped;
365 } __rte_cache_aligned;
367 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
368 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
369 static struct rte_timer power_timers[RTE_MAX_LCORE];
371 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
372 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
373 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
375 /* exit signal handler */
377 signal_exit_now(int sigtype)
380 unsigned int portid, nb_ports;
383 if (sigtype == SIGINT) {
384 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
385 if (rte_lcore_is_enabled(lcore_id) == 0)
388 /* init power management library */
389 ret = rte_power_exit(lcore_id);
391 rte_exit(EXIT_FAILURE, "Power management "
392 "library de-initialization failed on "
393 "core%u\n", lcore_id);
396 nb_ports = rte_eth_dev_count();
397 for (portid = 0; portid < nb_ports; portid++) {
398 if ((enabled_port_mask & (1 << portid)) == 0)
401 rte_eth_dev_stop(portid);
402 rte_eth_dev_close(portid);
406 rte_exit(EXIT_SUCCESS, "User forced exit\n");
409 /* Freqency scale down timer callback */
411 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
412 __attribute__((unused)) void *arg)
415 float sleep_time_ratio;
416 unsigned lcore_id = rte_lcore_id();
418 /* accumulate total execution time in us when callback is invoked */
419 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
420 (float)SCALING_PERIOD;
422 * check whether need to scale down frequency a step if it sleep a lot.
424 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
425 if (rte_power_freq_down)
426 rte_power_freq_down(lcore_id);
428 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
429 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
431 * scale down a step if average packet per iteration less
434 if (rte_power_freq_down)
435 rte_power_freq_down(lcore_id);
439 * initialize another timer according to current frequency to ensure
440 * timer interval is relatively fixed.
442 hz = rte_get_timer_hz();
443 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
444 SINGLE, lcore_id, power_timer_cb, NULL);
446 stats[lcore_id].nb_rx_processed = 0;
447 stats[lcore_id].nb_iteration_looped = 0;
449 stats[lcore_id].sleep_time = 0;
452 /* Enqueue a single packet, and send burst if queue is filled */
454 send_single_packet(struct rte_mbuf *m, uint8_t port)
457 struct lcore_conf *qconf;
459 lcore_id = rte_lcore_id();
460 qconf = &lcore_conf[lcore_id];
462 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
463 qconf->tx_buffer[port], m);
468 #ifdef DO_RFC_1812_CHECKS
470 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
472 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
474 * 1. The packet length reported by the Link Layer must be large
475 * enough to hold the minimum length legal IP datagram (20 bytes).
477 if (link_len < sizeof(struct ipv4_hdr))
480 /* 2. The IP checksum must be correct. */
481 /* this is checked in H/W */
484 * 3. The IP version number must be 4. If the version number is not 4
485 * then the packet may be another version of IP, such as IPng or
488 if (((pkt->version_ihl) >> 4) != 4)
491 * 4. The IP header length field must be large enough to hold the
492 * minimum length legal IP datagram (20 bytes = 5 words).
494 if ((pkt->version_ihl & 0xf) < 5)
498 * 5. The IP total length field must be large enough to hold the IP
499 * datagram header, whose length is specified in the IP header length
502 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
509 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
511 print_ipv4_key(struct ipv4_5tuple key)
513 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
514 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
515 key.port_dst, key.port_src, key.proto);
518 print_ipv6_key(struct ipv6_5tuple key)
520 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
521 "port dst = %d, port src = %d, proto = %d\n",
522 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
523 key.port_dst, key.port_src, key.proto);
526 static inline uint16_t
527 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
528 lookup_struct_t * ipv4_l3fwd_lookup_struct)
530 struct ipv4_5tuple key;
535 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
536 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
537 key.proto = ipv4_hdr->next_proto_id;
539 switch (ipv4_hdr->next_proto_id) {
541 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
542 sizeof(struct ipv4_hdr));
543 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
544 key.port_src = rte_be_to_cpu_16(tcp->src_port);
548 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
549 sizeof(struct ipv4_hdr));
550 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
551 key.port_src = rte_be_to_cpu_16(udp->src_port);
560 /* Find destination port */
561 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
562 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
565 static inline uint16_t
566 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
567 lookup_struct_t *ipv6_l3fwd_lookup_struct)
569 struct ipv6_5tuple key;
574 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
575 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
577 key.proto = ipv6_hdr->proto;
579 switch (ipv6_hdr->proto) {
581 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
582 sizeof(struct ipv6_hdr));
583 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
584 key.port_src = rte_be_to_cpu_16(tcp->src_port);
588 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
589 sizeof(struct ipv6_hdr));
590 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
591 key.port_src = rte_be_to_cpu_16(udp->src_port);
600 /* Find destination port */
601 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
602 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
606 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
607 static inline uint16_t
608 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
609 lookup_struct_t *ipv4_l3fwd_lookup_struct)
613 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
614 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
620 parse_ptype_one(struct rte_mbuf *m)
622 struct ether_hdr *eth_hdr;
623 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
626 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
627 ether_type = eth_hdr->ether_type;
628 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
629 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
630 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
631 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
633 m->packet_type = packet_type;
637 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
638 struct rte_mbuf *pkts[], uint16_t nb_pkts,
639 uint16_t max_pkts __rte_unused,
640 void *user_param __rte_unused)
644 for (i = 0; i < nb_pkts; ++i)
645 parse_ptype_one(pkts[i]);
651 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
653 printf("Port %d: softly parse packet type info\n", portid);
654 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
657 printf("Failed to add rx callback: port=%d\n", portid);
662 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
663 struct lcore_conf *qconf)
665 struct ether_hdr *eth_hdr;
666 struct ipv4_hdr *ipv4_hdr;
670 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
672 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
673 /* Handle IPv4 headers.*/
675 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
676 sizeof(struct ether_hdr));
678 #ifdef DO_RFC_1812_CHECKS
679 /* Check to make sure the packet is valid (RFC1812) */
680 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
686 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
687 qconf->ipv4_lookup_struct);
688 if (dst_port >= RTE_MAX_ETHPORTS ||
689 (enabled_port_mask & 1 << dst_port) == 0)
692 /* 02:00:00:00:00:xx */
693 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
694 *((uint64_t *)d_addr_bytes) =
695 0x000000000002 + ((uint64_t)dst_port << 40);
697 #ifdef DO_RFC_1812_CHECKS
698 /* Update time to live and header checksum */
699 --(ipv4_hdr->time_to_live);
700 ++(ipv4_hdr->hdr_checksum);
704 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
706 send_single_packet(m, dst_port);
707 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
708 /* Handle IPv6 headers.*/
709 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
710 struct ipv6_hdr *ipv6_hdr;
713 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
714 sizeof(struct ether_hdr));
716 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
717 qconf->ipv6_lookup_struct);
719 if (dst_port >= RTE_MAX_ETHPORTS ||
720 (enabled_port_mask & 1 << dst_port) == 0)
723 /* 02:00:00:00:00:xx */
724 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
725 *((uint64_t *)d_addr_bytes) =
726 0x000000000002 + ((uint64_t)dst_port << 40);
729 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
731 send_single_packet(m, dst_port);
733 /* We don't currently handle IPv6 packets in LPM mode. */
741 #define MINIMUM_SLEEP_TIME 1
742 #define SUSPEND_THRESHOLD 300
744 static inline uint32_t
745 power_idle_heuristic(uint32_t zero_rx_packet_count)
747 /* If zero count is less than 100, sleep 1us */
748 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
749 return MINIMUM_SLEEP_TIME;
750 /* If zero count is less than 1000, sleep 100 us which is the
751 minimum latency switching from C3/C6 to C0
754 return SUSPEND_THRESHOLD;
759 static inline enum freq_scale_hint_t
760 power_freq_scaleup_heuristic(unsigned lcore_id,
765 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
768 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
769 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
770 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
771 #define FREQ_UP_TREND1_ACC 1
772 #define FREQ_UP_TREND2_ACC 100
773 #define FREQ_UP_THRESHOLD 10000
775 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
776 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
777 stats[lcore_id].trend = 0;
779 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
780 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
781 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
782 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
783 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
784 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
786 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
787 stats[lcore_id].trend = 0;
795 * force polling thread sleep until one-shot rx interrupt triggers
804 sleep_until_rx_interrupt(int num)
806 struct rte_epoll_event event[num];
812 RTE_LOG(INFO, L3FWD_POWER,
813 "lcore %u sleeps until interrupt triggers\n",
816 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
817 for (i = 0; i < n; i++) {
818 data = event[i].epdata.data;
819 port_id = ((uintptr_t)data) >> CHAR_BIT;
820 queue_id = ((uintptr_t)data) &
821 RTE_LEN2MASK(CHAR_BIT, uint8_t);
822 rte_eth_dev_rx_intr_disable(port_id, queue_id);
823 RTE_LOG(INFO, L3FWD_POWER,
824 "lcore %u is waked up from rx interrupt on"
825 " port %d queue %d\n",
826 rte_lcore_id(), port_id, queue_id);
832 static void turn_on_intr(struct lcore_conf *qconf)
835 struct lcore_rx_queue *rx_queue;
839 for (i = 0; i < qconf->n_rx_queue; ++i) {
840 rx_queue = &(qconf->rx_queue_list[i]);
841 port_id = rx_queue->port_id;
842 queue_id = rx_queue->queue_id;
844 rte_spinlock_lock(&(locks[port_id]));
845 rte_eth_dev_rx_intr_enable(port_id, queue_id);
846 rte_spinlock_unlock(&(locks[port_id]));
850 static int event_register(struct lcore_conf *qconf)
852 struct lcore_rx_queue *rx_queue;
859 for (i = 0; i < qconf->n_rx_queue; ++i) {
860 rx_queue = &(qconf->rx_queue_list[i]);
861 portid = rx_queue->port_id;
862 queueid = rx_queue->queue_id;
863 data = portid << CHAR_BIT | queueid;
865 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
866 RTE_EPOLL_PER_THREAD,
868 (void *)((uintptr_t)data));
876 /* main processing loop */
878 main_loop(__attribute__((unused)) void *dummy)
880 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
882 uint64_t prev_tsc, diff_tsc, cur_tsc;
883 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
887 struct lcore_conf *qconf;
888 struct lcore_rx_queue *rx_queue;
889 enum freq_scale_hint_t lcore_scaleup_hint;
890 uint32_t lcore_rx_idle_count = 0;
891 uint32_t lcore_idle_hint = 0;
894 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
898 lcore_id = rte_lcore_id();
899 qconf = &lcore_conf[lcore_id];
901 if (qconf->n_rx_queue == 0) {
902 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
906 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
908 for (i = 0; i < qconf->n_rx_queue; i++) {
909 portid = qconf->rx_queue_list[i].port_id;
910 queueid = qconf->rx_queue_list[i].queue_id;
911 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
912 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
915 /* add into event wait list */
916 if (event_register(qconf) == 0)
919 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
922 stats[lcore_id].nb_iteration_looped++;
924 cur_tsc = rte_rdtsc();
925 cur_tsc_power = cur_tsc;
928 * TX burst queue drain
930 diff_tsc = cur_tsc - prev_tsc;
931 if (unlikely(diff_tsc > drain_tsc)) {
932 for (i = 0; i < qconf->n_tx_port; ++i) {
933 portid = qconf->tx_port_id[i];
934 rte_eth_tx_buffer_flush(portid,
935 qconf->tx_queue_id[portid],
936 qconf->tx_buffer[portid]);
941 diff_tsc_power = cur_tsc_power - prev_tsc_power;
942 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
944 prev_tsc_power = cur_tsc_power;
949 * Read packet from RX queues
951 lcore_scaleup_hint = FREQ_CURRENT;
952 lcore_rx_idle_count = 0;
953 for (i = 0; i < qconf->n_rx_queue; ++i) {
954 rx_queue = &(qconf->rx_queue_list[i]);
955 rx_queue->idle_hint = 0;
956 portid = rx_queue->port_id;
957 queueid = rx_queue->queue_id;
959 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
962 stats[lcore_id].nb_rx_processed += nb_rx;
963 if (unlikely(nb_rx == 0)) {
965 * no packet received from rx queue, try to
966 * sleep for a while forcing CPU enter deeper
969 rx_queue->zero_rx_packet_count++;
971 if (rx_queue->zero_rx_packet_count <=
975 rx_queue->idle_hint = power_idle_heuristic(\
976 rx_queue->zero_rx_packet_count);
977 lcore_rx_idle_count++;
979 rx_queue->zero_rx_packet_count = 0;
982 * do not scale up frequency immediately as
983 * user to kernel space communication is costly
984 * which might impact packet I/O for received
987 rx_queue->freq_up_hint =
988 power_freq_scaleup_heuristic(lcore_id,
992 /* Prefetch first packets */
993 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
994 rte_prefetch0(rte_pktmbuf_mtod(
995 pkts_burst[j], void *));
998 /* Prefetch and forward already prefetched packets */
999 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1000 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1001 j + PREFETCH_OFFSET], void *));
1002 l3fwd_simple_forward(pkts_burst[j], portid,
1006 /* Forward remaining prefetched packets */
1007 for (; j < nb_rx; j++) {
1008 l3fwd_simple_forward(pkts_burst[j], portid,
1013 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1014 for (i = 1, lcore_scaleup_hint =
1015 qconf->rx_queue_list[0].freq_up_hint;
1016 i < qconf->n_rx_queue; ++i) {
1017 rx_queue = &(qconf->rx_queue_list[i]);
1018 if (rx_queue->freq_up_hint >
1020 lcore_scaleup_hint =
1021 rx_queue->freq_up_hint;
1024 if (lcore_scaleup_hint == FREQ_HIGHEST) {
1025 if (rte_power_freq_max)
1026 rte_power_freq_max(lcore_id);
1027 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1028 if (rte_power_freq_up)
1029 rte_power_freq_up(lcore_id);
1033 * All Rx queues empty in recent consecutive polls,
1034 * sleep in a conservative manner, meaning sleep as
1037 for (i = 1, lcore_idle_hint =
1038 qconf->rx_queue_list[0].idle_hint;
1039 i < qconf->n_rx_queue; ++i) {
1040 rx_queue = &(qconf->rx_queue_list[i]);
1041 if (rx_queue->idle_hint < lcore_idle_hint)
1042 lcore_idle_hint = rx_queue->idle_hint;
1045 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1047 * execute "pause" instruction to avoid context
1048 * switch which generally take hundred of
1049 * microseconds for short sleep.
1051 rte_delay_us(lcore_idle_hint);
1053 /* suspend until rx interrupt trigges */
1055 turn_on_intr(qconf);
1056 sleep_until_rx_interrupt(
1059 /* start receiving packets immediately */
1062 stats[lcore_id].sleep_time += lcore_idle_hint;
1068 check_lcore_params(void)
1070 uint8_t queue, lcore;
1074 for (i = 0; i < nb_lcore_params; ++i) {
1075 queue = lcore_params[i].queue_id;
1076 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1077 printf("invalid queue number: %hhu\n", queue);
1080 lcore = lcore_params[i].lcore_id;
1081 if (!rte_lcore_is_enabled(lcore)) {
1082 printf("error: lcore %hhu is not enabled in lcore "
1086 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1088 printf("warning: lcore %hhu is on socket %d with numa "
1089 "off\n", lcore, socketid);
1096 check_port_config(const unsigned nb_ports)
1101 for (i = 0; i < nb_lcore_params; ++i) {
1102 portid = lcore_params[i].port_id;
1103 if ((enabled_port_mask & (1 << portid)) == 0) {
1104 printf("port %u is not enabled in port mask\n",
1108 if (portid >= nb_ports) {
1109 printf("port %u is not present on the board\n",
1118 get_port_n_rx_queues(const uint8_t port)
1123 for (i = 0; i < nb_lcore_params; ++i) {
1124 if (lcore_params[i].port_id == port &&
1125 lcore_params[i].queue_id > queue)
1126 queue = lcore_params[i].queue_id;
1128 return (uint8_t)(++queue);
1132 init_lcore_rx_queues(void)
1134 uint16_t i, nb_rx_queue;
1137 for (i = 0; i < nb_lcore_params; ++i) {
1138 lcore = lcore_params[i].lcore_id;
1139 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1140 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1141 printf("error: too many queues (%u) for lcore: %u\n",
1142 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1145 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1146 lcore_params[i].port_id;
1147 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1148 lcore_params[i].queue_id;
1149 lcore_conf[lcore].n_rx_queue++;
1157 print_usage(const char *prgname)
1159 printf ("%s [EAL options] -- -p PORTMASK -P"
1160 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1161 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1162 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1163 " -P : enable promiscuous mode\n"
1164 " --config (port,queue,lcore): rx queues configuration\n"
1165 " --no-numa: optional, disable numa awareness\n"
1166 " --enable-jumbo: enable jumbo frame"
1167 " which max packet len is PKTLEN in decimal (64-9600)\n"
1168 " --parse-ptype: parse packet type by software\n",
1172 static int parse_max_pkt_len(const char *pktlen)
1177 /* parse decimal string */
1178 len = strtoul(pktlen, &end, 10);
1179 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1189 parse_portmask(const char *portmask)
1194 /* parse hexadecimal string */
1195 pm = strtoul(portmask, &end, 16);
1196 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1206 parse_config(const char *q_arg)
1209 const char *p, *p0 = q_arg;
1217 unsigned long int_fld[_NUM_FLD];
1218 char *str_fld[_NUM_FLD];
1222 nb_lcore_params = 0;
1224 while ((p = strchr(p0,'(')) != NULL) {
1226 if((p0 = strchr(p,')')) == NULL)
1230 if(size >= sizeof(s))
1233 snprintf(s, sizeof(s), "%.*s", size, p);
1234 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1237 for (i = 0; i < _NUM_FLD; i++){
1239 int_fld[i] = strtoul(str_fld[i], &end, 0);
1240 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1244 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1245 printf("exceeded max number of lcore params: %hu\n",
1249 lcore_params_array[nb_lcore_params].port_id =
1250 (uint8_t)int_fld[FLD_PORT];
1251 lcore_params_array[nb_lcore_params].queue_id =
1252 (uint8_t)int_fld[FLD_QUEUE];
1253 lcore_params_array[nb_lcore_params].lcore_id =
1254 (uint8_t)int_fld[FLD_LCORE];
1257 lcore_params = lcore_params_array;
1262 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1264 /* Parse the argument given in the command line of the application */
1266 parse_args(int argc, char **argv)
1271 char *prgname = argv[0];
1272 static struct option lgopts[] = {
1273 {"config", 1, 0, 0},
1274 {"no-numa", 0, 0, 0},
1275 {"enable-jumbo", 0, 0, 0},
1276 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1282 while ((opt = getopt_long(argc, argvopt, "p:P",
1283 lgopts, &option_index)) != EOF) {
1288 enabled_port_mask = parse_portmask(optarg);
1289 if (enabled_port_mask == 0) {
1290 printf("invalid portmask\n");
1291 print_usage(prgname);
1296 printf("Promiscuous mode selected\n");
1302 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1303 ret = parse_config(optarg);
1305 printf("invalid config\n");
1306 print_usage(prgname);
1311 if (!strncmp(lgopts[option_index].name,
1313 printf("numa is disabled \n");
1317 if (!strncmp(lgopts[option_index].name,
1318 "enable-jumbo", 12)) {
1319 struct option lenopts =
1320 {"max-pkt-len", required_argument, \
1323 printf("jumbo frame is enabled \n");
1324 port_conf.rxmode.jumbo_frame = 1;
1327 * if no max-pkt-len set, use the default value
1330 if (0 == getopt_long(argc, argvopt, "",
1331 &lenopts, &option_index)) {
1332 ret = parse_max_pkt_len(optarg);
1334 (ret > MAX_JUMBO_PKT_LEN)){
1335 printf("invalid packet "
1337 print_usage(prgname);
1340 port_conf.rxmode.max_rx_pkt_len = ret;
1342 printf("set jumbo frame "
1343 "max packet length to %u\n",
1344 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1347 if (!strncmp(lgopts[option_index].name,
1348 CMD_LINE_OPT_PARSE_PTYPE,
1349 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1350 printf("soft parse-ptype is enabled\n");
1357 print_usage(prgname);
1363 argv[optind-1] = prgname;
1366 optind = 1; /* reset getopt lib */
1371 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1373 char buf[ETHER_ADDR_FMT_SIZE];
1374 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1375 printf("%s%s", name, buf);
1378 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1380 setup_hash(int socketid)
1382 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1384 .entries = L3FWD_HASH_ENTRIES,
1385 .key_len = sizeof(struct ipv4_5tuple),
1386 .hash_func = DEFAULT_HASH_FUNC,
1387 .hash_func_init_val = 0,
1390 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1392 .entries = L3FWD_HASH_ENTRIES,
1393 .key_len = sizeof(struct ipv6_5tuple),
1394 .hash_func = DEFAULT_HASH_FUNC,
1395 .hash_func_init_val = 0,
1402 /* create ipv4 hash */
1403 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1404 ipv4_l3fwd_hash_params.name = s;
1405 ipv4_l3fwd_hash_params.socket_id = socketid;
1406 ipv4_l3fwd_lookup_struct[socketid] =
1407 rte_hash_create(&ipv4_l3fwd_hash_params);
1408 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1409 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1410 "socket %d\n", socketid);
1412 /* create ipv6 hash */
1413 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1414 ipv6_l3fwd_hash_params.name = s;
1415 ipv6_l3fwd_hash_params.socket_id = socketid;
1416 ipv6_l3fwd_lookup_struct[socketid] =
1417 rte_hash_create(&ipv6_l3fwd_hash_params);
1418 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1419 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1420 "socket %d\n", socketid);
1423 /* populate the ipv4 hash */
1424 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1425 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1426 (void *) &ipv4_l3fwd_route_array[i].key);
1428 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1429 "l3fwd hash on socket %d\n", i, socketid);
1431 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1432 printf("Hash: Adding key\n");
1433 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1436 /* populate the ipv6 hash */
1437 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1438 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1439 (void *) &ipv6_l3fwd_route_array[i].key);
1441 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1442 "l3fwd hash on socket %d\n", i, socketid);
1444 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1445 printf("Hash: Adding key\n");
1446 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1451 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1453 setup_lpm(int socketid)
1459 /* create the LPM table */
1460 struct rte_lpm_config lpm_ipv4_config;
1462 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1463 lpm_ipv4_config.number_tbl8s = 256;
1464 lpm_ipv4_config.flags = 0;
1466 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1467 ipv4_l3fwd_lookup_struct[socketid] =
1468 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1469 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1470 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1471 " on socket %d\n", socketid);
1473 /* populate the LPM table */
1474 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1475 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1476 ipv4_l3fwd_route_array[i].ip,
1477 ipv4_l3fwd_route_array[i].depth,
1478 ipv4_l3fwd_route_array[i].if_out);
1481 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1482 "l3fwd LPM table on socket %d\n",
1486 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1487 (unsigned)ipv4_l3fwd_route_array[i].ip,
1488 ipv4_l3fwd_route_array[i].depth,
1489 ipv4_l3fwd_route_array[i].if_out);
1495 init_mem(unsigned nb_mbuf)
1497 struct lcore_conf *qconf;
1502 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1503 if (rte_lcore_is_enabled(lcore_id) == 0)
1507 socketid = rte_lcore_to_socket_id(lcore_id);
1511 if (socketid >= NB_SOCKETS) {
1512 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1513 "out of range %d\n", socketid,
1514 lcore_id, NB_SOCKETS);
1516 if (pktmbuf_pool[socketid] == NULL) {
1517 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1518 pktmbuf_pool[socketid] =
1519 rte_pktmbuf_pool_create(s, nb_mbuf,
1520 MEMPOOL_CACHE_SIZE, 0,
1521 RTE_MBUF_DEFAULT_BUF_SIZE,
1523 if (pktmbuf_pool[socketid] == NULL)
1524 rte_exit(EXIT_FAILURE,
1525 "Cannot init mbuf pool on socket %d\n",
1528 printf("Allocated mbuf pool on socket %d\n",
1531 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1532 setup_lpm(socketid);
1534 setup_hash(socketid);
1537 qconf = &lcore_conf[lcore_id];
1538 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1539 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1540 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1546 /* Check the link status of all ports in up to 9s, and print them finally */
1548 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1550 #define CHECK_INTERVAL 100 /* 100ms */
1551 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1552 uint8_t count, all_ports_up, print_flag = 0;
1554 struct rte_eth_link link;
1556 printf("\nChecking link status");
1558 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1560 for (portid = 0; portid < port_num; portid++) {
1561 if ((port_mask & (1 << portid)) == 0)
1563 memset(&link, 0, sizeof(link));
1564 rte_eth_link_get_nowait(portid, &link);
1565 /* print link status if flag set */
1566 if (print_flag == 1) {
1567 if (link.link_status)
1568 printf("Port %d Link Up - speed %u "
1569 "Mbps - %s\n", (uint8_t)portid,
1570 (unsigned)link.link_speed,
1571 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1572 ("full-duplex") : ("half-duplex\n"));
1574 printf("Port %d Link Down\n",
1578 /* clear all_ports_up flag if any link down */
1579 if (link.link_status == ETH_LINK_DOWN) {
1584 /* after finally printing all link status, get out */
1585 if (print_flag == 1)
1588 if (all_ports_up == 0) {
1591 rte_delay_ms(CHECK_INTERVAL);
1594 /* set the print_flag if all ports up or timeout */
1595 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1602 static int check_ptype(uint8_t portid)
1605 int ptype_l3_ipv4 = 0;
1606 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1607 int ptype_l3_ipv6 = 0;
1609 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1611 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1615 uint32_t ptypes[ret];
1617 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1618 for (i = 0; i < ret; ++i) {
1619 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1621 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1622 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1627 if (ptype_l3_ipv4 == 0)
1628 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1630 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1631 if (ptype_l3_ipv6 == 0)
1632 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1635 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1637 #else /* APP_LOOKUP_EXACT_MATCH */
1638 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1647 main(int argc, char **argv)
1649 struct lcore_conf *qconf;
1650 struct rte_eth_dev_info dev_info;
1651 struct rte_eth_txconf *txconf;
1657 uint32_t n_tx_queue, nb_lcores;
1658 uint32_t dev_rxq_num, dev_txq_num;
1659 uint8_t nb_rx_queue, queue, socketid;
1661 uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1663 /* catch SIGINT and restore cpufreq governor to ondemand */
1664 signal(SIGINT, signal_exit_now);
1667 ret = rte_eal_init(argc, argv);
1669 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1673 /* init RTE timer library to be used late */
1674 rte_timer_subsystem_init();
1676 /* parse application arguments (after the EAL ones) */
1677 ret = parse_args(argc, argv);
1679 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1681 if (check_lcore_params() < 0)
1682 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1684 ret = init_lcore_rx_queues();
1686 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1688 nb_ports = rte_eth_dev_count();
1690 if (check_port_config(nb_ports) < 0)
1691 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1693 nb_lcores = rte_lcore_count();
1695 /* initialize all ports */
1696 for (portid = 0; portid < nb_ports; portid++) {
1697 /* skip ports that are not enabled */
1698 if ((enabled_port_mask & (1 << portid)) == 0) {
1699 printf("\nSkipping disabled port %d\n", portid);
1704 printf("Initializing port %d ... ", portid );
1707 rte_eth_dev_info_get(portid, &dev_info);
1708 dev_rxq_num = dev_info.max_rx_queues;
1709 dev_txq_num = dev_info.max_tx_queues;
1711 nb_rx_queue = get_port_n_rx_queues(portid);
1712 if (nb_rx_queue > dev_rxq_num)
1713 rte_exit(EXIT_FAILURE,
1714 "Cannot configure not existed rxq: "
1715 "port=%d\n", portid);
1717 n_tx_queue = nb_lcores;
1718 if (n_tx_queue > dev_txq_num)
1719 n_tx_queue = dev_txq_num;
1720 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1721 nb_rx_queue, (unsigned)n_tx_queue );
1722 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1723 if (nb_rx_queue == 0)
1724 port_conf.intr_conf.rxq = 0;
1725 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1726 (uint16_t)n_tx_queue, &port_conf);
1727 /* Revert to original value */
1728 port_conf.intr_conf.rxq = org_rxq_intr;
1730 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1731 "err=%d, port=%d\n", ret, portid);
1733 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1736 rte_exit(EXIT_FAILURE,
1737 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1740 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1741 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1745 ret = init_mem(NB_MBUF);
1747 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1749 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1750 if (rte_lcore_is_enabled(lcore_id) == 0)
1753 /* Initialize TX buffers */
1754 qconf = &lcore_conf[lcore_id];
1755 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1756 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1757 rte_eth_dev_socket_id(portid));
1758 if (qconf->tx_buffer[portid] == NULL)
1759 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1762 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1765 /* init one TX queue per couple (lcore,port) */
1767 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1768 if (rte_lcore_is_enabled(lcore_id) == 0)
1771 if (queueid >= dev_txq_num)
1776 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1780 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1783 rte_eth_dev_info_get(portid, &dev_info);
1784 txconf = &dev_info.default_txconf;
1785 if (port_conf.rxmode.jumbo_frame)
1786 txconf->txq_flags = 0;
1787 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1790 rte_exit(EXIT_FAILURE,
1791 "rte_eth_tx_queue_setup: err=%d, "
1792 "port=%d\n", ret, portid);
1794 qconf = &lcore_conf[lcore_id];
1795 qconf->tx_queue_id[portid] = queueid;
1798 qconf->tx_port_id[qconf->n_tx_port] = portid;
1804 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1805 if (rte_lcore_is_enabled(lcore_id) == 0)
1808 /* init power management library */
1809 ret = rte_power_init(lcore_id);
1812 "Library initialization failed on core %u\n", lcore_id);
1814 /* init timer structures for each enabled lcore */
1815 rte_timer_init(&power_timers[lcore_id]);
1816 hz = rte_get_timer_hz();
1817 rte_timer_reset(&power_timers[lcore_id],
1818 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1819 power_timer_cb, NULL);
1821 qconf = &lcore_conf[lcore_id];
1822 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1824 /* init RX queues */
1825 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1826 portid = qconf->rx_queue_list[queue].port_id;
1827 queueid = qconf->rx_queue_list[queue].queue_id;
1831 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1835 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1838 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1840 pktmbuf_pool[socketid]);
1842 rte_exit(EXIT_FAILURE,
1843 "rte_eth_rx_queue_setup: err=%d, "
1844 "port=%d\n", ret, portid);
1847 if (add_cb_parse_ptype(portid, queueid) < 0)
1848 rte_exit(EXIT_FAILURE,
1849 "Fail to add ptype cb\n");
1850 } else if (!check_ptype(portid))
1851 rte_exit(EXIT_FAILURE,
1852 "PMD can not provide needed ptypes\n");
1859 for (portid = 0; portid < nb_ports; portid++) {
1860 if ((enabled_port_mask & (1 << portid)) == 0) {
1864 ret = rte_eth_dev_start(portid);
1866 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1867 "port=%d\n", ret, portid);
1869 * If enabled, put device in promiscuous mode.
1870 * This allows IO forwarding mode to forward packets
1871 * to itself through 2 cross-connected ports of the
1875 rte_eth_promiscuous_enable(portid);
1876 /* initialize spinlock for each port */
1877 rte_spinlock_init(&(locks[portid]));
1880 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1882 /* launch per-lcore init on every lcore */
1883 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1884 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1885 if (rte_eal_wait_lcore(lcore_id) < 0)