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>
53 #include <rte_memzone.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
69 #include <rte_mempool.h>
74 #include <rte_string_fns.h>
75 #include <rte_timer.h>
76 #include <rte_power.h>
78 #include <rte_spinlock.h>
80 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
82 #define MAX_PKT_BURST 32
84 #define MIN_ZERO_POLL_COUNT 10
86 /* around 100ms at 2 Ghz */
87 #define TIMER_RESOLUTION_CYCLES 200000000ULL
89 #define TIMER_NUMBER_PER_SECOND 10
91 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
92 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
94 #define APP_LOOKUP_EXACT_MATCH 0
95 #define APP_LOOKUP_LPM 1
96 #define DO_RFC_1812_CHECKS
98 #ifndef APP_LOOKUP_METHOD
99 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
102 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
103 #include <rte_hash.h>
104 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
107 #error "APP_LOOKUP_METHOD set to incorrect value"
111 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
112 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
113 #define IPv6_BYTES(addr) \
114 addr[0], addr[1], addr[2], addr[3], \
115 addr[4], addr[5], addr[6], addr[7], \
116 addr[8], addr[9], addr[10], addr[11],\
117 addr[12], addr[13],addr[14], addr[15]
120 #define MAX_JUMBO_PKT_LEN 9600
122 #define IPV6_ADDR_LEN 16
124 #define MEMPOOL_CACHE_SIZE 256
127 * This expression is used to calculate the number of mbufs needed depending on
128 * user input, taking into account memory for rx and tx hardware rings, cache
129 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
130 * NB_MBUF never goes below a minimum value of 8192.
133 #define NB_MBUF RTE_MAX ( \
134 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
135 nb_ports*nb_lcores*MAX_PKT_BURST + \
136 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
137 nb_lcores*MEMPOOL_CACHE_SIZE), \
140 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
144 /* Configure how many packets ahead to prefetch, when reading packets */
145 #define PREFETCH_OFFSET 3
148 * Configurable number of RX/TX ring descriptors
150 #define RTE_TEST_RX_DESC_DEFAULT 128
151 #define RTE_TEST_TX_DESC_DEFAULT 512
152 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
153 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
155 /* ethernet addresses of ports */
156 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
158 /* ethernet addresses of ports */
159 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
161 /* mask of enabled ports */
162 static uint32_t enabled_port_mask = 0;
163 /* Ports set in promiscuous mode off by default. */
164 static int promiscuous_on = 0;
165 /* NUMA is enabled by default. */
166 static int numa_on = 1;
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 = 0, /**< 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)
246 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
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 uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
312 static uint8_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 lcore_id, uint8_t port_id, uint16_t queue_id);
375 /* exit signal handler */
377 signal_exit_now(int sigtype)
382 if (sigtype == SIGINT) {
383 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
384 if (rte_lcore_is_enabled(lcore_id) == 0)
387 /* init power management library */
388 ret = rte_power_exit(lcore_id);
390 rte_exit(EXIT_FAILURE, "Power management "
391 "library de-initialization failed on "
392 "core%u\n", lcore_id);
396 rte_exit(EXIT_SUCCESS, "User forced exit\n");
399 /* Freqency scale down timer callback */
401 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
402 __attribute__((unused)) void *arg)
405 float sleep_time_ratio;
406 unsigned lcore_id = rte_lcore_id();
408 /* accumulate total execution time in us when callback is invoked */
409 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
410 (float)SCALING_PERIOD;
412 * check whether need to scale down frequency a step if it sleep a lot.
414 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
415 if (rte_power_freq_down)
416 rte_power_freq_down(lcore_id);
418 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
419 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
421 * scale down a step if average packet per iteration less
424 if (rte_power_freq_down)
425 rte_power_freq_down(lcore_id);
429 * initialize another timer according to current frequency to ensure
430 * timer interval is relatively fixed.
432 hz = rte_get_timer_hz();
433 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
434 SINGLE, lcore_id, power_timer_cb, NULL);
436 stats[lcore_id].nb_rx_processed = 0;
437 stats[lcore_id].nb_iteration_looped = 0;
439 stats[lcore_id].sleep_time = 0;
442 /* Enqueue a single packet, and send burst if queue is filled */
444 send_single_packet(struct rte_mbuf *m, uint8_t port)
447 struct lcore_conf *qconf;
449 lcore_id = rte_lcore_id();
450 qconf = &lcore_conf[lcore_id];
452 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
453 qconf->tx_buffer[port], m);
458 #ifdef DO_RFC_1812_CHECKS
460 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
462 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
464 * 1. The packet length reported by the Link Layer must be large
465 * enough to hold the minimum length legal IP datagram (20 bytes).
467 if (link_len < sizeof(struct ipv4_hdr))
470 /* 2. The IP checksum must be correct. */
471 /* this is checked in H/W */
474 * 3. The IP version number must be 4. If the version number is not 4
475 * then the packet may be another version of IP, such as IPng or
478 if (((pkt->version_ihl) >> 4) != 4)
481 * 4. The IP header length field must be large enough to hold the
482 * minimum length legal IP datagram (20 bytes = 5 words).
484 if ((pkt->version_ihl & 0xf) < 5)
488 * 5. The IP total length field must be large enough to hold the IP
489 * datagram header, whose length is specified in the IP header length
492 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
499 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
501 print_ipv4_key(struct ipv4_5tuple key)
503 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
504 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
505 key.port_dst, key.port_src, key.proto);
508 print_ipv6_key(struct ipv6_5tuple key)
510 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
511 "port dst = %d, port src = %d, proto = %d\n",
512 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
513 key.port_dst, key.port_src, key.proto);
516 static inline uint8_t
517 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
518 lookup_struct_t * ipv4_l3fwd_lookup_struct)
520 struct ipv4_5tuple key;
525 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
526 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
527 key.proto = ipv4_hdr->next_proto_id;
529 switch (ipv4_hdr->next_proto_id) {
531 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
532 sizeof(struct ipv4_hdr));
533 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
534 key.port_src = rte_be_to_cpu_16(tcp->src_port);
538 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
539 sizeof(struct ipv4_hdr));
540 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
541 key.port_src = rte_be_to_cpu_16(udp->src_port);
550 /* Find destination port */
551 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
552 return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
555 static inline uint8_t
556 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
557 lookup_struct_t *ipv6_l3fwd_lookup_struct)
559 struct ipv6_5tuple key;
564 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
565 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
567 key.proto = ipv6_hdr->proto;
569 switch (ipv6_hdr->proto) {
571 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
572 sizeof(struct ipv6_hdr));
573 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
574 key.port_src = rte_be_to_cpu_16(tcp->src_port);
578 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
579 sizeof(struct ipv6_hdr));
580 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
581 key.port_src = rte_be_to_cpu_16(udp->src_port);
590 /* Find destination port */
591 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
592 return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
596 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
597 static inline uint8_t
598 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
599 lookup_struct_t *ipv4_l3fwd_lookup_struct)
603 return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
604 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
610 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
611 struct lcore_conf *qconf)
613 struct ether_hdr *eth_hdr;
614 struct ipv4_hdr *ipv4_hdr;
618 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
620 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
621 /* Handle IPv4 headers.*/
623 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
624 sizeof(struct ether_hdr));
626 #ifdef DO_RFC_1812_CHECKS
627 /* Check to make sure the packet is valid (RFC1812) */
628 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
634 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
635 qconf->ipv4_lookup_struct);
636 if (dst_port >= RTE_MAX_ETHPORTS ||
637 (enabled_port_mask & 1 << dst_port) == 0)
640 /* 02:00:00:00:00:xx */
641 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
642 *((uint64_t *)d_addr_bytes) =
643 0x000000000002 + ((uint64_t)dst_port << 40);
645 #ifdef DO_RFC_1812_CHECKS
646 /* Update time to live and header checksum */
647 --(ipv4_hdr->time_to_live);
648 ++(ipv4_hdr->hdr_checksum);
652 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
654 send_single_packet(m, dst_port);
655 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
656 /* Handle IPv6 headers.*/
657 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
658 struct ipv6_hdr *ipv6_hdr;
661 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
662 sizeof(struct ether_hdr));
664 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
665 qconf->ipv6_lookup_struct);
667 if (dst_port >= RTE_MAX_ETHPORTS ||
668 (enabled_port_mask & 1 << dst_port) == 0)
671 /* 02:00:00:00:00:xx */
672 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
673 *((uint64_t *)d_addr_bytes) =
674 0x000000000002 + ((uint64_t)dst_port << 40);
677 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
679 send_single_packet(m, dst_port);
681 /* We don't currently handle IPv6 packets in LPM mode. */
689 #define MINIMUM_SLEEP_TIME 1
690 #define SUSPEND_THRESHOLD 300
692 static inline uint32_t
693 power_idle_heuristic(uint32_t zero_rx_packet_count)
695 /* If zero count is less than 100, sleep 1us */
696 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
697 return MINIMUM_SLEEP_TIME;
698 /* If zero count is less than 1000, sleep 100 us which is the
699 minimum latency switching from C3/C6 to C0
702 return SUSPEND_THRESHOLD;
707 static inline enum freq_scale_hint_t
708 power_freq_scaleup_heuristic(unsigned lcore_id,
713 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
716 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
717 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
718 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
719 #define FREQ_UP_TREND1_ACC 1
720 #define FREQ_UP_TREND2_ACC 100
721 #define FREQ_UP_THRESHOLD 10000
723 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
724 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
725 stats[lcore_id].trend = 0;
727 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
728 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
729 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
730 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
731 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
732 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
734 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
735 stats[lcore_id].trend = 0;
743 * force polling thread sleep until one-shot rx interrupt triggers
752 sleep_until_rx_interrupt(int num)
754 struct rte_epoll_event event[num];
756 uint8_t port_id, queue_id;
759 RTE_LOG(INFO, L3FWD_POWER,
760 "lcore %u sleeps until interrupt triggers\n",
763 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
764 for (i = 0; i < n; i++) {
765 data = event[i].epdata.data;
766 port_id = ((uintptr_t)data) >> CHAR_BIT;
767 queue_id = ((uintptr_t)data) &
768 RTE_LEN2MASK(CHAR_BIT, uint8_t);
769 rte_eth_dev_rx_intr_disable(port_id, queue_id);
770 RTE_LOG(INFO, L3FWD_POWER,
771 "lcore %u is waked up from rx interrupt on"
772 " port %d queue %d\n",
773 rte_lcore_id(), port_id, queue_id);
779 static void turn_on_intr(struct lcore_conf *qconf)
782 struct lcore_rx_queue *rx_queue;
783 uint8_t port_id, queue_id;
785 for (i = 0; i < qconf->n_rx_queue; ++i) {
786 rx_queue = &(qconf->rx_queue_list[i]);
787 port_id = rx_queue->port_id;
788 queue_id = rx_queue->queue_id;
790 rte_spinlock_lock(&(locks[port_id]));
791 rte_eth_dev_rx_intr_enable(port_id, queue_id);
792 rte_spinlock_unlock(&(locks[port_id]));
796 static int event_register(struct lcore_conf *qconf)
798 struct lcore_rx_queue *rx_queue;
799 uint8_t portid, queueid;
804 for (i = 0; i < qconf->n_rx_queue; ++i) {
805 rx_queue = &(qconf->rx_queue_list[i]);
806 portid = rx_queue->port_id;
807 queueid = rx_queue->queue_id;
808 data = portid << CHAR_BIT | queueid;
810 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
811 RTE_EPOLL_PER_THREAD,
813 (void *)((uintptr_t)data));
821 /* main processing loop */
823 main_loop(__attribute__((unused)) void *dummy)
825 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
827 uint64_t prev_tsc, diff_tsc, cur_tsc;
828 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
830 uint8_t portid, queueid;
831 struct lcore_conf *qconf;
832 struct lcore_rx_queue *rx_queue;
833 enum freq_scale_hint_t lcore_scaleup_hint;
834 uint32_t lcore_rx_idle_count = 0;
835 uint32_t lcore_idle_hint = 0;
838 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
842 lcore_id = rte_lcore_id();
843 qconf = &lcore_conf[lcore_id];
845 if (qconf->n_rx_queue == 0) {
846 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
850 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
852 for (i = 0; i < qconf->n_rx_queue; i++) {
853 portid = qconf->rx_queue_list[i].port_id;
854 queueid = qconf->rx_queue_list[i].queue_id;
855 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
856 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
859 /* add into event wait list */
860 if (event_register(qconf) == 0)
863 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
866 stats[lcore_id].nb_iteration_looped++;
868 cur_tsc = rte_rdtsc();
869 cur_tsc_power = cur_tsc;
872 * TX burst queue drain
874 diff_tsc = cur_tsc - prev_tsc;
875 if (unlikely(diff_tsc > drain_tsc)) {
876 for (i = 0; i < qconf->n_tx_port; ++i) {
877 portid = qconf->tx_port_id[i];
878 rte_eth_tx_buffer_flush(portid,
879 qconf->tx_queue_id[portid],
880 qconf->tx_buffer[portid]);
885 diff_tsc_power = cur_tsc_power - prev_tsc_power;
886 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
888 prev_tsc_power = cur_tsc_power;
893 * Read packet from RX queues
895 lcore_scaleup_hint = FREQ_CURRENT;
896 lcore_rx_idle_count = 0;
897 for (i = 0; i < qconf->n_rx_queue; ++i) {
898 rx_queue = &(qconf->rx_queue_list[i]);
899 rx_queue->idle_hint = 0;
900 portid = rx_queue->port_id;
901 queueid = rx_queue->queue_id;
903 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
906 stats[lcore_id].nb_rx_processed += nb_rx;
907 if (unlikely(nb_rx == 0)) {
909 * no packet received from rx queue, try to
910 * sleep for a while forcing CPU enter deeper
913 rx_queue->zero_rx_packet_count++;
915 if (rx_queue->zero_rx_packet_count <=
919 rx_queue->idle_hint = power_idle_heuristic(\
920 rx_queue->zero_rx_packet_count);
921 lcore_rx_idle_count++;
923 rx_queue->zero_rx_packet_count = 0;
926 * do not scale up frequency immediately as
927 * user to kernel space communication is costly
928 * which might impact packet I/O for received
931 rx_queue->freq_up_hint =
932 power_freq_scaleup_heuristic(lcore_id,
936 /* Prefetch first packets */
937 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
938 rte_prefetch0(rte_pktmbuf_mtod(
939 pkts_burst[j], void *));
942 /* Prefetch and forward already prefetched packets */
943 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
944 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
945 j + PREFETCH_OFFSET], void *));
946 l3fwd_simple_forward(pkts_burst[j], portid,
950 /* Forward remaining prefetched packets */
951 for (; j < nb_rx; j++) {
952 l3fwd_simple_forward(pkts_burst[j], portid,
957 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
958 for (i = 1, lcore_scaleup_hint =
959 qconf->rx_queue_list[0].freq_up_hint;
960 i < qconf->n_rx_queue; ++i) {
961 rx_queue = &(qconf->rx_queue_list[i]);
962 if (rx_queue->freq_up_hint >
965 rx_queue->freq_up_hint;
968 if (lcore_scaleup_hint == FREQ_HIGHEST) {
969 if (rte_power_freq_max)
970 rte_power_freq_max(lcore_id);
971 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
972 if (rte_power_freq_up)
973 rte_power_freq_up(lcore_id);
977 * All Rx queues empty in recent consecutive polls,
978 * sleep in a conservative manner, meaning sleep as
981 for (i = 1, lcore_idle_hint =
982 qconf->rx_queue_list[0].idle_hint;
983 i < qconf->n_rx_queue; ++i) {
984 rx_queue = &(qconf->rx_queue_list[i]);
985 if (rx_queue->idle_hint < lcore_idle_hint)
986 lcore_idle_hint = rx_queue->idle_hint;
989 if (lcore_idle_hint < SUSPEND_THRESHOLD)
991 * execute "pause" instruction to avoid context
992 * switch which generally take hundred of
993 * microseconds for short sleep.
995 rte_delay_us(lcore_idle_hint);
997 /* suspend until rx interrupt trigges */
1000 sleep_until_rx_interrupt(
1003 /* start receiving packets immediately */
1006 stats[lcore_id].sleep_time += lcore_idle_hint;
1012 check_lcore_params(void)
1014 uint8_t queue, lcore;
1018 for (i = 0; i < nb_lcore_params; ++i) {
1019 queue = lcore_params[i].queue_id;
1020 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1021 printf("invalid queue number: %hhu\n", queue);
1024 lcore = lcore_params[i].lcore_id;
1025 if (!rte_lcore_is_enabled(lcore)) {
1026 printf("error: lcore %hhu is not enabled in lcore "
1030 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1032 printf("warning: lcore %hhu is on socket %d with numa "
1033 "off\n", lcore, socketid);
1040 check_port_config(const unsigned nb_ports)
1045 for (i = 0; i < nb_lcore_params; ++i) {
1046 portid = lcore_params[i].port_id;
1047 if ((enabled_port_mask & (1 << portid)) == 0) {
1048 printf("port %u is not enabled in port mask\n",
1052 if (portid >= nb_ports) {
1053 printf("port %u is not present on the board\n",
1062 get_port_n_rx_queues(const uint8_t port)
1067 for (i = 0; i < nb_lcore_params; ++i) {
1068 if (lcore_params[i].port_id == port &&
1069 lcore_params[i].queue_id > queue)
1070 queue = lcore_params[i].queue_id;
1072 return (uint8_t)(++queue);
1076 init_lcore_rx_queues(void)
1078 uint16_t i, nb_rx_queue;
1081 for (i = 0; i < nb_lcore_params; ++i) {
1082 lcore = lcore_params[i].lcore_id;
1083 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1084 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1085 printf("error: too many queues (%u) for lcore: %u\n",
1086 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1089 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1090 lcore_params[i].port_id;
1091 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1092 lcore_params[i].queue_id;
1093 lcore_conf[lcore].n_rx_queue++;
1101 print_usage(const char *prgname)
1103 printf ("%s [EAL options] -- -p PORTMASK -P"
1104 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1105 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1106 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1107 " -P : enable promiscuous mode\n"
1108 " --config (port,queue,lcore): rx queues configuration\n"
1109 " --no-numa: optional, disable numa awareness\n"
1110 " --enable-jumbo: enable jumbo frame"
1111 " which max packet len is PKTLEN in decimal (64-9600)\n",
1115 static int parse_max_pkt_len(const char *pktlen)
1120 /* parse decimal string */
1121 len = strtoul(pktlen, &end, 10);
1122 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1132 parse_portmask(const char *portmask)
1137 /* parse hexadecimal string */
1138 pm = strtoul(portmask, &end, 16);
1139 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1149 parse_config(const char *q_arg)
1152 const char *p, *p0 = q_arg;
1160 unsigned long int_fld[_NUM_FLD];
1161 char *str_fld[_NUM_FLD];
1165 nb_lcore_params = 0;
1167 while ((p = strchr(p0,'(')) != NULL) {
1169 if((p0 = strchr(p,')')) == NULL)
1173 if(size >= sizeof(s))
1176 snprintf(s, sizeof(s), "%.*s", size, p);
1177 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1180 for (i = 0; i < _NUM_FLD; i++){
1182 int_fld[i] = strtoul(str_fld[i], &end, 0);
1183 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1187 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1188 printf("exceeded max number of lcore params: %hu\n",
1192 lcore_params_array[nb_lcore_params].port_id =
1193 (uint8_t)int_fld[FLD_PORT];
1194 lcore_params_array[nb_lcore_params].queue_id =
1195 (uint8_t)int_fld[FLD_QUEUE];
1196 lcore_params_array[nb_lcore_params].lcore_id =
1197 (uint8_t)int_fld[FLD_LCORE];
1200 lcore_params = lcore_params_array;
1205 /* Parse the argument given in the command line of the application */
1207 parse_args(int argc, char **argv)
1212 char *prgname = argv[0];
1213 static struct option lgopts[] = {
1214 {"config", 1, 0, 0},
1215 {"no-numa", 0, 0, 0},
1216 {"enable-jumbo", 0, 0, 0},
1222 while ((opt = getopt_long(argc, argvopt, "p:P",
1223 lgopts, &option_index)) != EOF) {
1228 enabled_port_mask = parse_portmask(optarg);
1229 if (enabled_port_mask == 0) {
1230 printf("invalid portmask\n");
1231 print_usage(prgname);
1236 printf("Promiscuous mode selected\n");
1242 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1243 ret = parse_config(optarg);
1245 printf("invalid config\n");
1246 print_usage(prgname);
1251 if (!strncmp(lgopts[option_index].name,
1253 printf("numa is disabled \n");
1257 if (!strncmp(lgopts[option_index].name,
1258 "enable-jumbo", 12)) {
1259 struct option lenopts =
1260 {"max-pkt-len", required_argument, \
1263 printf("jumbo frame is enabled \n");
1264 port_conf.rxmode.jumbo_frame = 1;
1267 * if no max-pkt-len set, use the default value
1270 if (0 == getopt_long(argc, argvopt, "",
1271 &lenopts, &option_index)) {
1272 ret = parse_max_pkt_len(optarg);
1274 (ret > MAX_JUMBO_PKT_LEN)){
1275 printf("invalid packet "
1277 print_usage(prgname);
1280 port_conf.rxmode.max_rx_pkt_len = ret;
1282 printf("set jumbo frame "
1283 "max packet length to %u\n",
1284 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1290 print_usage(prgname);
1296 argv[optind-1] = prgname;
1299 optind = 0; /* reset getopt lib */
1304 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1306 char buf[ETHER_ADDR_FMT_SIZE];
1307 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1308 printf("%s%s", name, buf);
1311 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1313 setup_hash(int socketid)
1315 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1317 .entries = L3FWD_HASH_ENTRIES,
1318 .key_len = sizeof(struct ipv4_5tuple),
1319 .hash_func = DEFAULT_HASH_FUNC,
1320 .hash_func_init_val = 0,
1323 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1325 .entries = L3FWD_HASH_ENTRIES,
1326 .key_len = sizeof(struct ipv6_5tuple),
1327 .hash_func = DEFAULT_HASH_FUNC,
1328 .hash_func_init_val = 0,
1335 /* create ipv4 hash */
1336 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1337 ipv4_l3fwd_hash_params.name = s;
1338 ipv4_l3fwd_hash_params.socket_id = socketid;
1339 ipv4_l3fwd_lookup_struct[socketid] =
1340 rte_hash_create(&ipv4_l3fwd_hash_params);
1341 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1342 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1343 "socket %d\n", socketid);
1345 /* create ipv6 hash */
1346 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1347 ipv6_l3fwd_hash_params.name = s;
1348 ipv6_l3fwd_hash_params.socket_id = socketid;
1349 ipv6_l3fwd_lookup_struct[socketid] =
1350 rte_hash_create(&ipv6_l3fwd_hash_params);
1351 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1352 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1353 "socket %d\n", socketid);
1356 /* populate the ipv4 hash */
1357 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1358 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1359 (void *) &ipv4_l3fwd_route_array[i].key);
1361 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1362 "l3fwd hash on socket %d\n", i, socketid);
1364 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1365 printf("Hash: Adding key\n");
1366 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1369 /* populate the ipv6 hash */
1370 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1371 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1372 (void *) &ipv6_l3fwd_route_array[i].key);
1374 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1375 "l3fwd hash on socket %d\n", i, socketid);
1377 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1378 printf("Hash: Adding key\n");
1379 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1384 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1386 setup_lpm(int socketid)
1392 /* create the LPM table */
1393 struct rte_lpm_config lpm_ipv4_config;
1395 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1396 lpm_ipv4_config.number_tbl8s = 256;
1397 lpm_ipv4_config.flags = 0;
1399 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1400 ipv4_l3fwd_lookup_struct[socketid] =
1401 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1402 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1403 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1404 " on socket %d\n", socketid);
1406 /* populate the LPM table */
1407 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1408 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1409 ipv4_l3fwd_route_array[i].ip,
1410 ipv4_l3fwd_route_array[i].depth,
1411 ipv4_l3fwd_route_array[i].if_out);
1414 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1415 "l3fwd LPM table on socket %d\n",
1419 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1420 (unsigned)ipv4_l3fwd_route_array[i].ip,
1421 ipv4_l3fwd_route_array[i].depth,
1422 ipv4_l3fwd_route_array[i].if_out);
1428 init_mem(unsigned nb_mbuf)
1430 struct lcore_conf *qconf;
1435 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1436 if (rte_lcore_is_enabled(lcore_id) == 0)
1440 socketid = rte_lcore_to_socket_id(lcore_id);
1444 if (socketid >= NB_SOCKETS) {
1445 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1446 "out of range %d\n", socketid,
1447 lcore_id, NB_SOCKETS);
1449 if (pktmbuf_pool[socketid] == NULL) {
1450 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1451 pktmbuf_pool[socketid] =
1452 rte_pktmbuf_pool_create(s, nb_mbuf,
1453 MEMPOOL_CACHE_SIZE, 0,
1454 RTE_MBUF_DEFAULT_BUF_SIZE,
1456 if (pktmbuf_pool[socketid] == NULL)
1457 rte_exit(EXIT_FAILURE,
1458 "Cannot init mbuf pool on socket %d\n",
1461 printf("Allocated mbuf pool on socket %d\n",
1464 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1465 setup_lpm(socketid);
1467 setup_hash(socketid);
1470 qconf = &lcore_conf[lcore_id];
1471 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1472 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1473 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1479 /* Check the link status of all ports in up to 9s, and print them finally */
1481 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1483 #define CHECK_INTERVAL 100 /* 100ms */
1484 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1485 uint8_t portid, count, all_ports_up, print_flag = 0;
1486 struct rte_eth_link link;
1488 printf("\nChecking link status");
1490 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1492 for (portid = 0; portid < port_num; portid++) {
1493 if ((port_mask & (1 << portid)) == 0)
1495 memset(&link, 0, sizeof(link));
1496 rte_eth_link_get_nowait(portid, &link);
1497 /* print link status if flag set */
1498 if (print_flag == 1) {
1499 if (link.link_status)
1500 printf("Port %d Link Up - speed %u "
1501 "Mbps - %s\n", (uint8_t)portid,
1502 (unsigned)link.link_speed,
1503 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1504 ("full-duplex") : ("half-duplex\n"));
1506 printf("Port %d Link Down\n",
1510 /* clear all_ports_up flag if any link down */
1511 if (link.link_status == ETH_LINK_DOWN) {
1516 /* after finally printing all link status, get out */
1517 if (print_flag == 1)
1520 if (all_ports_up == 0) {
1523 rte_delay_ms(CHECK_INTERVAL);
1526 /* set the print_flag if all ports up or timeout */
1527 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1535 main(int argc, char **argv)
1537 struct lcore_conf *qconf;
1538 struct rte_eth_dev_info dev_info;
1539 struct rte_eth_txconf *txconf;
1545 uint32_t n_tx_queue, nb_lcores;
1546 uint32_t dev_rxq_num, dev_txq_num;
1547 uint8_t portid, nb_rx_queue, queue, socketid;
1549 /* catch SIGINT and restore cpufreq governor to ondemand */
1550 signal(SIGINT, signal_exit_now);
1553 ret = rte_eal_init(argc, argv);
1555 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1559 /* init RTE timer library to be used late */
1560 rte_timer_subsystem_init();
1562 /* parse application arguments (after the EAL ones) */
1563 ret = parse_args(argc, argv);
1565 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1567 if (check_lcore_params() < 0)
1568 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1570 ret = init_lcore_rx_queues();
1572 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1574 nb_ports = rte_eth_dev_count();
1576 if (check_port_config(nb_ports) < 0)
1577 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1579 nb_lcores = rte_lcore_count();
1581 /* initialize all ports */
1582 for (portid = 0; portid < nb_ports; portid++) {
1583 /* skip ports that are not enabled */
1584 if ((enabled_port_mask & (1 << portid)) == 0) {
1585 printf("\nSkipping disabled port %d\n", portid);
1590 printf("Initializing port %d ... ", portid );
1593 rte_eth_dev_info_get(portid, &dev_info);
1594 dev_rxq_num = dev_info.max_rx_queues;
1595 dev_txq_num = dev_info.max_tx_queues;
1597 nb_rx_queue = get_port_n_rx_queues(portid);
1598 if (nb_rx_queue > dev_rxq_num)
1599 rte_exit(EXIT_FAILURE,
1600 "Cannot configure not existed rxq: "
1601 "port=%d\n", portid);
1603 n_tx_queue = nb_lcores;
1604 if (n_tx_queue > dev_txq_num)
1605 n_tx_queue = dev_txq_num;
1606 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1607 nb_rx_queue, (unsigned)n_tx_queue );
1608 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1609 (uint16_t)n_tx_queue, &port_conf);
1611 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1612 "err=%d, port=%d\n", ret, portid);
1614 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1615 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1619 ret = init_mem(NB_MBUF);
1621 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1623 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1624 if (rte_lcore_is_enabled(lcore_id) == 0)
1627 /* Initialize TX buffers */
1628 qconf = &lcore_conf[lcore_id];
1629 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1630 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1631 rte_eth_dev_socket_id(portid));
1632 if (qconf->tx_buffer[portid] == NULL)
1633 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1636 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1639 /* init one TX queue per couple (lcore,port) */
1641 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1642 if (rte_lcore_is_enabled(lcore_id) == 0)
1645 if (queueid >= dev_txq_num)
1650 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1654 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1657 rte_eth_dev_info_get(portid, &dev_info);
1658 txconf = &dev_info.default_txconf;
1659 if (port_conf.rxmode.jumbo_frame)
1660 txconf->txq_flags = 0;
1661 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1664 rte_exit(EXIT_FAILURE,
1665 "rte_eth_tx_queue_setup: err=%d, "
1666 "port=%d\n", ret, portid);
1668 qconf = &lcore_conf[lcore_id];
1669 qconf->tx_queue_id[portid] = queueid;
1672 qconf->tx_port_id[qconf->n_tx_port] = portid;
1678 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1679 if (rte_lcore_is_enabled(lcore_id) == 0)
1682 /* init power management library */
1683 ret = rte_power_init(lcore_id);
1686 "Library initialization failed on core %u\n", lcore_id);
1688 /* init timer structures for each enabled lcore */
1689 rte_timer_init(&power_timers[lcore_id]);
1690 hz = rte_get_timer_hz();
1691 rte_timer_reset(&power_timers[lcore_id],
1692 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1693 power_timer_cb, NULL);
1695 qconf = &lcore_conf[lcore_id];
1696 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1698 /* init RX queues */
1699 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1700 portid = qconf->rx_queue_list[queue].port_id;
1701 queueid = qconf->rx_queue_list[queue].queue_id;
1705 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1709 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1712 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1714 pktmbuf_pool[socketid]);
1716 rte_exit(EXIT_FAILURE,
1717 "rte_eth_rx_queue_setup: err=%d, "
1718 "port=%d\n", ret, portid);
1725 for (portid = 0; portid < nb_ports; portid++) {
1726 if ((enabled_port_mask & (1 << portid)) == 0) {
1730 ret = rte_eth_dev_start(portid);
1732 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1733 "port=%d\n", ret, portid);
1735 * If enabled, put device in promiscuous mode.
1736 * This allows IO forwarding mode to forward packets
1737 * to itself through 2 cross-connected ports of the
1741 rte_eth_promiscuous_enable(portid);
1742 /* initialize spinlock for each port */
1743 rte_spinlock_init(&(locks[portid]));
1746 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1748 /* launch per-lcore init on every lcore */
1749 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1750 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1751 if (rte_eal_wait_lcore(lcore_id) < 0)