4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
40 #include <sys/queue.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_malloc.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
54 #include <rte_launch.h>
55 #include <rte_atomic.h>
56 #include <rte_cycles.h>
57 #include <rte_prefetch.h>
58 #include <rte_lcore.h>
59 #include <rte_per_lcore.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_interrupts.h>
63 #include <rte_random.h>
64 #include <rte_debug.h>
65 #include <rte_ether.h>
66 #include <rte_ethdev.h>
67 #include <rte_mempool.h>
72 #include <rte_string_fns.h>
73 #include <rte_timer.h>
74 #include <rte_power.h>
75 #include <rte_spinlock.h>
77 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
79 #define MAX_PKT_BURST 32
81 #define MIN_ZERO_POLL_COUNT 10
83 /* around 100ms at 2 Ghz */
84 #define TIMER_RESOLUTION_CYCLES 200000000ULL
86 #define TIMER_NUMBER_PER_SECOND 10
88 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
89 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
91 #define APP_LOOKUP_EXACT_MATCH 0
92 #define APP_LOOKUP_LPM 1
93 #define DO_RFC_1812_CHECKS
95 #ifndef APP_LOOKUP_METHOD
96 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
99 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
100 #include <rte_hash.h>
101 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
104 #error "APP_LOOKUP_METHOD set to incorrect value"
108 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
109 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
110 #define IPv6_BYTES(addr) \
111 addr[0], addr[1], addr[2], addr[3], \
112 addr[4], addr[5], addr[6], addr[7], \
113 addr[8], addr[9], addr[10], addr[11],\
114 addr[12], addr[13],addr[14], addr[15]
117 #define MAX_JUMBO_PKT_LEN 9600
119 #define IPV6_ADDR_LEN 16
121 #define MEMPOOL_CACHE_SIZE 256
124 * This expression is used to calculate the number of mbufs needed depending on
125 * user input, taking into account memory for rx and tx hardware rings, cache
126 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
127 * NB_MBUF never goes below a minimum value of 8192.
130 #define NB_MBUF RTE_MAX ( \
131 (nb_ports*nb_rx_queue*nb_rxd + \
132 nb_ports*nb_lcores*MAX_PKT_BURST + \
133 nb_ports*n_tx_queue*nb_txd + \
134 nb_lcores*MEMPOOL_CACHE_SIZE), \
137 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
141 /* Configure how many packets ahead to prefetch, when reading packets */
142 #define PREFETCH_OFFSET 3
145 * Configurable number of RX/TX ring descriptors
147 #define RTE_TEST_RX_DESC_DEFAULT 512
148 #define RTE_TEST_TX_DESC_DEFAULT 512
149 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
150 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
152 /* ethernet addresses of ports */
153 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
155 /* ethernet addresses of ports */
156 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
158 /* mask of enabled ports */
159 static uint32_t enabled_port_mask = 0;
160 /* Ports set in promiscuous mode off by default. */
161 static int promiscuous_on = 0;
162 /* NUMA is enabled by default. */
163 static int numa_on = 1;
164 static int parse_ptype; /**< Parse packet type using rx callback, and */
165 /**< disabled by default */
167 enum freq_scale_hint_t
175 struct lcore_rx_queue {
178 enum freq_scale_hint_t freq_up_hint;
179 uint32_t zero_rx_packet_count;
181 } __rte_cache_aligned;
183 #define MAX_RX_QUEUE_PER_LCORE 16
184 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
185 #define MAX_RX_QUEUE_PER_PORT 128
187 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
190 #define MAX_LCORE_PARAMS 1024
191 struct lcore_params {
195 } __rte_cache_aligned;
197 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
198 static struct lcore_params lcore_params_array_default[] = {
210 static struct lcore_params * lcore_params = lcore_params_array_default;
211 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
212 sizeof(lcore_params_array_default[0]);
214 static struct rte_eth_conf port_conf = {
216 .mq_mode = ETH_MQ_RX_RSS,
217 .max_rx_pkt_len = ETHER_MAX_LEN,
219 .header_split = 0, /**< Header Split disabled */
220 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
221 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
222 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
223 .hw_strip_crc = 1, /**< CRC stripped by hardware */
228 .rss_hf = ETH_RSS_UDP,
232 .mq_mode = ETH_MQ_TX_NONE,
240 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
243 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
246 #include <rte_hash_crc.h>
247 #define DEFAULT_HASH_FUNC rte_hash_crc
249 #include <rte_jhash.h>
250 #define DEFAULT_HASH_FUNC rte_jhash
259 } __attribute__((__packed__));
262 uint8_t ip_dst[IPV6_ADDR_LEN];
263 uint8_t ip_src[IPV6_ADDR_LEN];
267 } __attribute__((__packed__));
269 struct ipv4_l3fwd_route {
270 struct ipv4_5tuple key;
274 struct ipv6_l3fwd_route {
275 struct ipv6_5tuple key;
279 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
280 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
281 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
282 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
283 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
286 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
289 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
290 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
291 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
292 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
298 typedef struct rte_hash lookup_struct_t;
299 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
300 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
302 #define L3FWD_HASH_ENTRIES 1024
304 #define IPV4_L3FWD_NUM_ROUTES \
305 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
307 #define IPV6_L3FWD_NUM_ROUTES \
308 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
310 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
311 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
314 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
315 struct ipv4_l3fwd_route {
321 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
322 {IPv4(1,1,1,0), 24, 0},
323 {IPv4(2,1,1,0), 24, 1},
324 {IPv4(3,1,1,0), 24, 2},
325 {IPv4(4,1,1,0), 24, 3},
326 {IPv4(5,1,1,0), 24, 4},
327 {IPv4(6,1,1,0), 24, 5},
328 {IPv4(7,1,1,0), 24, 6},
329 {IPv4(8,1,1,0), 24, 7},
332 #define IPV4_L3FWD_NUM_ROUTES \
333 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
335 #define IPV4_L3FWD_LPM_MAX_RULES 1024
337 typedef struct rte_lpm lookup_struct_t;
338 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
343 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
345 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
346 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
347 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
348 lookup_struct_t * ipv4_lookup_struct;
349 lookup_struct_t * ipv6_lookup_struct;
350 } __rte_cache_aligned;
353 /* total sleep time in ms since last frequency scaling down */
355 /* number of long sleep recently */
356 uint32_t nb_long_sleep;
357 /* freq. scaling up trend */
359 /* total packet processed recently */
360 uint64_t nb_rx_processed;
361 /* total iterations looped recently */
362 uint64_t nb_iteration_looped;
364 } __rte_cache_aligned;
366 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
367 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
368 static struct rte_timer power_timers[RTE_MAX_LCORE];
370 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
371 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
372 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
374 /* exit signal handler */
376 signal_exit_now(int sigtype)
379 unsigned int portid, nb_ports;
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);
395 nb_ports = rte_eth_dev_count();
396 for (portid = 0; portid < nb_ports; portid++) {
397 if ((enabled_port_mask & (1 << portid)) == 0)
400 rte_eth_dev_stop(portid);
401 rte_eth_dev_close(portid);
405 rte_exit(EXIT_SUCCESS, "User forced exit\n");
408 /* Freqency scale down timer callback */
410 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
411 __attribute__((unused)) void *arg)
414 float sleep_time_ratio;
415 unsigned lcore_id = rte_lcore_id();
417 /* accumulate total execution time in us when callback is invoked */
418 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
419 (float)SCALING_PERIOD;
421 * check whether need to scale down frequency a step if it sleep a lot.
423 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
424 if (rte_power_freq_down)
425 rte_power_freq_down(lcore_id);
427 else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
428 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
430 * scale down a step if average packet per iteration less
433 if (rte_power_freq_down)
434 rte_power_freq_down(lcore_id);
438 * initialize another timer according to current frequency to ensure
439 * timer interval is relatively fixed.
441 hz = rte_get_timer_hz();
442 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
443 SINGLE, lcore_id, power_timer_cb, NULL);
445 stats[lcore_id].nb_rx_processed = 0;
446 stats[lcore_id].nb_iteration_looped = 0;
448 stats[lcore_id].sleep_time = 0;
451 /* Enqueue a single packet, and send burst if queue is filled */
453 send_single_packet(struct rte_mbuf *m, uint16_t port)
456 struct lcore_conf *qconf;
458 lcore_id = rte_lcore_id();
459 qconf = &lcore_conf[lcore_id];
461 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
462 qconf->tx_buffer[port], m);
467 #ifdef DO_RFC_1812_CHECKS
469 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
471 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
473 * 1. The packet length reported by the Link Layer must be large
474 * enough to hold the minimum length legal IP datagram (20 bytes).
476 if (link_len < sizeof(struct ipv4_hdr))
479 /* 2. The IP checksum must be correct. */
480 /* this is checked in H/W */
483 * 3. The IP version number must be 4. If the version number is not 4
484 * then the packet may be another version of IP, such as IPng or
487 if (((pkt->version_ihl) >> 4) != 4)
490 * 4. The IP header length field must be large enough to hold the
491 * minimum length legal IP datagram (20 bytes = 5 words).
493 if ((pkt->version_ihl & 0xf) < 5)
497 * 5. The IP total length field must be large enough to hold the IP
498 * datagram header, whose length is specified in the IP header length
501 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
508 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
510 print_ipv4_key(struct ipv4_5tuple key)
512 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
513 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
514 key.port_dst, key.port_src, key.proto);
517 print_ipv6_key(struct ipv6_5tuple key)
519 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
520 "port dst = %d, port src = %d, proto = %d\n",
521 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
522 key.port_dst, key.port_src, key.proto);
525 static inline uint16_t
526 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
527 lookup_struct_t * ipv4_l3fwd_lookup_struct)
529 struct ipv4_5tuple key;
534 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
535 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
536 key.proto = ipv4_hdr->next_proto_id;
538 switch (ipv4_hdr->next_proto_id) {
540 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
541 sizeof(struct ipv4_hdr));
542 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
543 key.port_src = rte_be_to_cpu_16(tcp->src_port);
547 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
548 sizeof(struct ipv4_hdr));
549 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
550 key.port_src = rte_be_to_cpu_16(udp->src_port);
559 /* Find destination port */
560 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
561 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
564 static inline uint16_t
565 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
566 lookup_struct_t *ipv6_l3fwd_lookup_struct)
568 struct ipv6_5tuple key;
573 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
574 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
576 key.proto = ipv6_hdr->proto;
578 switch (ipv6_hdr->proto) {
580 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
581 sizeof(struct ipv6_hdr));
582 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
583 key.port_src = rte_be_to_cpu_16(tcp->src_port);
587 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
588 sizeof(struct ipv6_hdr));
589 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
590 key.port_src = rte_be_to_cpu_16(udp->src_port);
599 /* Find destination port */
600 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
601 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
605 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
606 static inline uint16_t
607 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
608 lookup_struct_t *ipv4_l3fwd_lookup_struct)
612 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
613 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
619 parse_ptype_one(struct rte_mbuf *m)
621 struct ether_hdr *eth_hdr;
622 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
625 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
626 ether_type = eth_hdr->ether_type;
627 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
628 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
629 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
630 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
632 m->packet_type = packet_type;
636 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
637 struct rte_mbuf *pkts[], uint16_t nb_pkts,
638 uint16_t max_pkts __rte_unused,
639 void *user_param __rte_unused)
643 for (i = 0; i < nb_pkts; ++i)
644 parse_ptype_one(pkts[i]);
650 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
652 printf("Port %d: softly parse packet type info\n", portid);
653 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
656 printf("Failed to add rx callback: port=%d\n", portid);
661 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
662 struct lcore_conf *qconf)
664 struct ether_hdr *eth_hdr;
665 struct ipv4_hdr *ipv4_hdr;
669 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
671 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
672 /* Handle IPv4 headers.*/
674 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
675 sizeof(struct ether_hdr));
677 #ifdef DO_RFC_1812_CHECKS
678 /* Check to make sure the packet is valid (RFC1812) */
679 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
685 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
686 qconf->ipv4_lookup_struct);
687 if (dst_port >= RTE_MAX_ETHPORTS ||
688 (enabled_port_mask & 1 << dst_port) == 0)
691 /* 02:00:00:00:00:xx */
692 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
693 *((uint64_t *)d_addr_bytes) =
694 0x000000000002 + ((uint64_t)dst_port << 40);
696 #ifdef DO_RFC_1812_CHECKS
697 /* Update time to live and header checksum */
698 --(ipv4_hdr->time_to_live);
699 ++(ipv4_hdr->hdr_checksum);
703 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
705 send_single_packet(m, dst_port);
706 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
707 /* Handle IPv6 headers.*/
708 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
709 struct ipv6_hdr *ipv6_hdr;
712 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
713 sizeof(struct ether_hdr));
715 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
716 qconf->ipv6_lookup_struct);
718 if (dst_port >= RTE_MAX_ETHPORTS ||
719 (enabled_port_mask & 1 << dst_port) == 0)
722 /* 02:00:00:00:00:xx */
723 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
724 *((uint64_t *)d_addr_bytes) =
725 0x000000000002 + ((uint64_t)dst_port << 40);
728 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
730 send_single_packet(m, dst_port);
732 /* We don't currently handle IPv6 packets in LPM mode. */
740 #define MINIMUM_SLEEP_TIME 1
741 #define SUSPEND_THRESHOLD 300
743 static inline uint32_t
744 power_idle_heuristic(uint32_t zero_rx_packet_count)
746 /* If zero count is less than 100, sleep 1us */
747 if (zero_rx_packet_count < SUSPEND_THRESHOLD)
748 return MINIMUM_SLEEP_TIME;
749 /* If zero count is less than 1000, sleep 100 us which is the
750 minimum latency switching from C3/C6 to C0
753 return SUSPEND_THRESHOLD;
756 static inline enum freq_scale_hint_t
757 power_freq_scaleup_heuristic(unsigned lcore_id,
762 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
765 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
766 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
767 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
768 #define FREQ_UP_TREND1_ACC 1
769 #define FREQ_UP_TREND2_ACC 100
770 #define FREQ_UP_THRESHOLD 10000
772 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
773 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
774 stats[lcore_id].trend = 0;
776 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
777 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
778 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
779 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
780 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
781 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
783 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
784 stats[lcore_id].trend = 0;
792 * force polling thread sleep until one-shot rx interrupt triggers
801 sleep_until_rx_interrupt(int num)
803 struct rte_epoll_event event[num];
809 RTE_LOG(INFO, L3FWD_POWER,
810 "lcore %u sleeps until interrupt triggers\n",
813 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
814 for (i = 0; i < n; i++) {
815 data = event[i].epdata.data;
816 port_id = ((uintptr_t)data) >> CHAR_BIT;
817 queue_id = ((uintptr_t)data) &
818 RTE_LEN2MASK(CHAR_BIT, uint8_t);
819 rte_eth_dev_rx_intr_disable(port_id, queue_id);
820 RTE_LOG(INFO, L3FWD_POWER,
821 "lcore %u is waked up from rx interrupt on"
822 " port %d queue %d\n",
823 rte_lcore_id(), port_id, queue_id);
829 static void turn_on_intr(struct lcore_conf *qconf)
832 struct lcore_rx_queue *rx_queue;
836 for (i = 0; i < qconf->n_rx_queue; ++i) {
837 rx_queue = &(qconf->rx_queue_list[i]);
838 port_id = rx_queue->port_id;
839 queue_id = rx_queue->queue_id;
841 rte_spinlock_lock(&(locks[port_id]));
842 rte_eth_dev_rx_intr_enable(port_id, queue_id);
843 rte_spinlock_unlock(&(locks[port_id]));
847 static int event_register(struct lcore_conf *qconf)
849 struct lcore_rx_queue *rx_queue;
856 for (i = 0; i < qconf->n_rx_queue; ++i) {
857 rx_queue = &(qconf->rx_queue_list[i]);
858 portid = rx_queue->port_id;
859 queueid = rx_queue->queue_id;
860 data = portid << CHAR_BIT | queueid;
862 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
863 RTE_EPOLL_PER_THREAD,
865 (void *)((uintptr_t)data));
873 /* main processing loop */
875 main_loop(__attribute__((unused)) void *dummy)
877 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
879 uint64_t prev_tsc, diff_tsc, cur_tsc;
880 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
884 struct lcore_conf *qconf;
885 struct lcore_rx_queue *rx_queue;
886 enum freq_scale_hint_t lcore_scaleup_hint;
887 uint32_t lcore_rx_idle_count = 0;
888 uint32_t lcore_idle_hint = 0;
891 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
895 lcore_id = rte_lcore_id();
896 qconf = &lcore_conf[lcore_id];
898 if (qconf->n_rx_queue == 0) {
899 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
903 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
905 for (i = 0; i < qconf->n_rx_queue; i++) {
906 portid = qconf->rx_queue_list[i].port_id;
907 queueid = qconf->rx_queue_list[i].queue_id;
908 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
909 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
912 /* add into event wait list */
913 if (event_register(qconf) == 0)
916 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
919 stats[lcore_id].nb_iteration_looped++;
921 cur_tsc = rte_rdtsc();
922 cur_tsc_power = cur_tsc;
925 * TX burst queue drain
927 diff_tsc = cur_tsc - prev_tsc;
928 if (unlikely(diff_tsc > drain_tsc)) {
929 for (i = 0; i < qconf->n_tx_port; ++i) {
930 portid = qconf->tx_port_id[i];
931 rte_eth_tx_buffer_flush(portid,
932 qconf->tx_queue_id[portid],
933 qconf->tx_buffer[portid]);
938 diff_tsc_power = cur_tsc_power - prev_tsc_power;
939 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
941 prev_tsc_power = cur_tsc_power;
946 * Read packet from RX queues
948 lcore_scaleup_hint = FREQ_CURRENT;
949 lcore_rx_idle_count = 0;
950 for (i = 0; i < qconf->n_rx_queue; ++i) {
951 rx_queue = &(qconf->rx_queue_list[i]);
952 rx_queue->idle_hint = 0;
953 portid = rx_queue->port_id;
954 queueid = rx_queue->queue_id;
956 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
959 stats[lcore_id].nb_rx_processed += nb_rx;
960 if (unlikely(nb_rx == 0)) {
962 * no packet received from rx queue, try to
963 * sleep for a while forcing CPU enter deeper
966 rx_queue->zero_rx_packet_count++;
968 if (rx_queue->zero_rx_packet_count <=
972 rx_queue->idle_hint = power_idle_heuristic(\
973 rx_queue->zero_rx_packet_count);
974 lcore_rx_idle_count++;
976 rx_queue->zero_rx_packet_count = 0;
979 * do not scale up frequency immediately as
980 * user to kernel space communication is costly
981 * which might impact packet I/O for received
984 rx_queue->freq_up_hint =
985 power_freq_scaleup_heuristic(lcore_id,
989 /* Prefetch first packets */
990 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
991 rte_prefetch0(rte_pktmbuf_mtod(
992 pkts_burst[j], void *));
995 /* Prefetch and forward already prefetched packets */
996 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
997 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
998 j + PREFETCH_OFFSET], void *));
999 l3fwd_simple_forward(pkts_burst[j], portid,
1003 /* Forward remaining prefetched packets */
1004 for (; j < nb_rx; j++) {
1005 l3fwd_simple_forward(pkts_burst[j], portid,
1010 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1011 for (i = 1, lcore_scaleup_hint =
1012 qconf->rx_queue_list[0].freq_up_hint;
1013 i < qconf->n_rx_queue; ++i) {
1014 rx_queue = &(qconf->rx_queue_list[i]);
1015 if (rx_queue->freq_up_hint >
1017 lcore_scaleup_hint =
1018 rx_queue->freq_up_hint;
1021 if (lcore_scaleup_hint == FREQ_HIGHEST) {
1022 if (rte_power_freq_max)
1023 rte_power_freq_max(lcore_id);
1024 } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1025 if (rte_power_freq_up)
1026 rte_power_freq_up(lcore_id);
1030 * All Rx queues empty in recent consecutive polls,
1031 * sleep in a conservative manner, meaning sleep as
1034 for (i = 1, lcore_idle_hint =
1035 qconf->rx_queue_list[0].idle_hint;
1036 i < qconf->n_rx_queue; ++i) {
1037 rx_queue = &(qconf->rx_queue_list[i]);
1038 if (rx_queue->idle_hint < lcore_idle_hint)
1039 lcore_idle_hint = rx_queue->idle_hint;
1042 if (lcore_idle_hint < SUSPEND_THRESHOLD)
1044 * execute "pause" instruction to avoid context
1045 * switch which generally take hundred of
1046 * microseconds for short sleep.
1048 rte_delay_us(lcore_idle_hint);
1050 /* suspend until rx interrupt trigges */
1052 turn_on_intr(qconf);
1053 sleep_until_rx_interrupt(
1056 /* start receiving packets immediately */
1059 stats[lcore_id].sleep_time += lcore_idle_hint;
1065 check_lcore_params(void)
1067 uint8_t queue, lcore;
1071 for (i = 0; i < nb_lcore_params; ++i) {
1072 queue = lcore_params[i].queue_id;
1073 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1074 printf("invalid queue number: %hhu\n", queue);
1077 lcore = lcore_params[i].lcore_id;
1078 if (!rte_lcore_is_enabled(lcore)) {
1079 printf("error: lcore %hhu is not enabled in lcore "
1083 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1085 printf("warning: lcore %hhu is on socket %d with numa "
1086 "off\n", lcore, socketid);
1093 check_port_config(const unsigned nb_ports)
1098 for (i = 0; i < nb_lcore_params; ++i) {
1099 portid = lcore_params[i].port_id;
1100 if ((enabled_port_mask & (1 << portid)) == 0) {
1101 printf("port %u is not enabled in port mask\n",
1105 if (portid >= nb_ports) {
1106 printf("port %u is not present on the board\n",
1115 get_port_n_rx_queues(const uint16_t port)
1120 for (i = 0; i < nb_lcore_params; ++i) {
1121 if (lcore_params[i].port_id == port &&
1122 lcore_params[i].queue_id > queue)
1123 queue = lcore_params[i].queue_id;
1125 return (uint8_t)(++queue);
1129 init_lcore_rx_queues(void)
1131 uint16_t i, nb_rx_queue;
1134 for (i = 0; i < nb_lcore_params; ++i) {
1135 lcore = lcore_params[i].lcore_id;
1136 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1137 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1138 printf("error: too many queues (%u) for lcore: %u\n",
1139 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1142 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1143 lcore_params[i].port_id;
1144 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1145 lcore_params[i].queue_id;
1146 lcore_conf[lcore].n_rx_queue++;
1154 print_usage(const char *prgname)
1156 printf ("%s [EAL options] -- -p PORTMASK -P"
1157 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1158 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1159 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1160 " -P : enable promiscuous mode\n"
1161 " --config (port,queue,lcore): rx queues configuration\n"
1162 " --no-numa: optional, disable numa awareness\n"
1163 " --enable-jumbo: enable jumbo frame"
1164 " which max packet len is PKTLEN in decimal (64-9600)\n"
1165 " --parse-ptype: parse packet type by software\n",
1169 static int parse_max_pkt_len(const char *pktlen)
1174 /* parse decimal string */
1175 len = strtoul(pktlen, &end, 10);
1176 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1186 parse_portmask(const char *portmask)
1191 /* parse hexadecimal string */
1192 pm = strtoul(portmask, &end, 16);
1193 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1203 parse_config(const char *q_arg)
1206 const char *p, *p0 = q_arg;
1214 unsigned long int_fld[_NUM_FLD];
1215 char *str_fld[_NUM_FLD];
1219 nb_lcore_params = 0;
1221 while ((p = strchr(p0,'(')) != NULL) {
1223 if((p0 = strchr(p,')')) == NULL)
1227 if(size >= sizeof(s))
1230 snprintf(s, sizeof(s), "%.*s", size, p);
1231 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1234 for (i = 0; i < _NUM_FLD; i++){
1236 int_fld[i] = strtoul(str_fld[i], &end, 0);
1237 if (errno != 0 || end == str_fld[i] || int_fld[i] >
1241 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1242 printf("exceeded max number of lcore params: %hu\n",
1246 lcore_params_array[nb_lcore_params].port_id =
1247 (uint8_t)int_fld[FLD_PORT];
1248 lcore_params_array[nb_lcore_params].queue_id =
1249 (uint8_t)int_fld[FLD_QUEUE];
1250 lcore_params_array[nb_lcore_params].lcore_id =
1251 (uint8_t)int_fld[FLD_LCORE];
1254 lcore_params = lcore_params_array;
1259 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1261 /* Parse the argument given in the command line of the application */
1263 parse_args(int argc, char **argv)
1268 char *prgname = argv[0];
1269 static struct option lgopts[] = {
1270 {"config", 1, 0, 0},
1271 {"no-numa", 0, 0, 0},
1272 {"enable-jumbo", 0, 0, 0},
1273 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1279 while ((opt = getopt_long(argc, argvopt, "p:P",
1280 lgopts, &option_index)) != EOF) {
1285 enabled_port_mask = parse_portmask(optarg);
1286 if (enabled_port_mask == 0) {
1287 printf("invalid portmask\n");
1288 print_usage(prgname);
1293 printf("Promiscuous mode selected\n");
1299 if (!strncmp(lgopts[option_index].name, "config", 6)) {
1300 ret = parse_config(optarg);
1302 printf("invalid config\n");
1303 print_usage(prgname);
1308 if (!strncmp(lgopts[option_index].name,
1310 printf("numa is disabled \n");
1314 if (!strncmp(lgopts[option_index].name,
1315 "enable-jumbo", 12)) {
1316 struct option lenopts =
1317 {"max-pkt-len", required_argument, \
1320 printf("jumbo frame is enabled \n");
1321 port_conf.rxmode.jumbo_frame = 1;
1324 * if no max-pkt-len set, use the default value
1327 if (0 == getopt_long(argc, argvopt, "",
1328 &lenopts, &option_index)) {
1329 ret = parse_max_pkt_len(optarg);
1331 (ret > MAX_JUMBO_PKT_LEN)){
1332 printf("invalid packet "
1334 print_usage(prgname);
1337 port_conf.rxmode.max_rx_pkt_len = ret;
1339 printf("set jumbo frame "
1340 "max packet length to %u\n",
1341 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1344 if (!strncmp(lgopts[option_index].name,
1345 CMD_LINE_OPT_PARSE_PTYPE,
1346 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1347 printf("soft parse-ptype is enabled\n");
1354 print_usage(prgname);
1360 argv[optind-1] = prgname;
1363 optind = 1; /* reset getopt lib */
1368 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1370 char buf[ETHER_ADDR_FMT_SIZE];
1371 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1372 printf("%s%s", name, buf);
1375 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1377 setup_hash(int socketid)
1379 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1381 .entries = L3FWD_HASH_ENTRIES,
1382 .key_len = sizeof(struct ipv4_5tuple),
1383 .hash_func = DEFAULT_HASH_FUNC,
1384 .hash_func_init_val = 0,
1387 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1389 .entries = L3FWD_HASH_ENTRIES,
1390 .key_len = sizeof(struct ipv6_5tuple),
1391 .hash_func = DEFAULT_HASH_FUNC,
1392 .hash_func_init_val = 0,
1399 /* create ipv4 hash */
1400 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1401 ipv4_l3fwd_hash_params.name = s;
1402 ipv4_l3fwd_hash_params.socket_id = socketid;
1403 ipv4_l3fwd_lookup_struct[socketid] =
1404 rte_hash_create(&ipv4_l3fwd_hash_params);
1405 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1406 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1407 "socket %d\n", socketid);
1409 /* create ipv6 hash */
1410 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1411 ipv6_l3fwd_hash_params.name = s;
1412 ipv6_l3fwd_hash_params.socket_id = socketid;
1413 ipv6_l3fwd_lookup_struct[socketid] =
1414 rte_hash_create(&ipv6_l3fwd_hash_params);
1415 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1416 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1417 "socket %d\n", socketid);
1420 /* populate the ipv4 hash */
1421 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1422 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1423 (void *) &ipv4_l3fwd_route_array[i].key);
1425 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1426 "l3fwd hash on socket %d\n", i, socketid);
1428 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1429 printf("Hash: Adding key\n");
1430 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1433 /* populate the ipv6 hash */
1434 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1435 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1436 (void *) &ipv6_l3fwd_route_array[i].key);
1438 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1439 "l3fwd hash on socket %d\n", i, socketid);
1441 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1442 printf("Hash: Adding key\n");
1443 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1448 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1450 setup_lpm(int socketid)
1456 /* create the LPM table */
1457 struct rte_lpm_config lpm_ipv4_config;
1459 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1460 lpm_ipv4_config.number_tbl8s = 256;
1461 lpm_ipv4_config.flags = 0;
1463 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1464 ipv4_l3fwd_lookup_struct[socketid] =
1465 rte_lpm_create(s, socketid, &lpm_ipv4_config);
1466 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1467 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1468 " on socket %d\n", socketid);
1470 /* populate the LPM table */
1471 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1472 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1473 ipv4_l3fwd_route_array[i].ip,
1474 ipv4_l3fwd_route_array[i].depth,
1475 ipv4_l3fwd_route_array[i].if_out);
1478 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1479 "l3fwd LPM table on socket %d\n",
1483 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1484 (unsigned)ipv4_l3fwd_route_array[i].ip,
1485 ipv4_l3fwd_route_array[i].depth,
1486 ipv4_l3fwd_route_array[i].if_out);
1492 init_mem(unsigned nb_mbuf)
1494 struct lcore_conf *qconf;
1499 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1500 if (rte_lcore_is_enabled(lcore_id) == 0)
1504 socketid = rte_lcore_to_socket_id(lcore_id);
1508 if (socketid >= NB_SOCKETS) {
1509 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1510 "out of range %d\n", socketid,
1511 lcore_id, NB_SOCKETS);
1513 if (pktmbuf_pool[socketid] == NULL) {
1514 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1515 pktmbuf_pool[socketid] =
1516 rte_pktmbuf_pool_create(s, nb_mbuf,
1517 MEMPOOL_CACHE_SIZE, 0,
1518 RTE_MBUF_DEFAULT_BUF_SIZE,
1520 if (pktmbuf_pool[socketid] == NULL)
1521 rte_exit(EXIT_FAILURE,
1522 "Cannot init mbuf pool on socket %d\n",
1525 printf("Allocated mbuf pool on socket %d\n",
1528 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1529 setup_lpm(socketid);
1531 setup_hash(socketid);
1534 qconf = &lcore_conf[lcore_id];
1535 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1536 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1537 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1543 /* Check the link status of all ports in up to 9s, and print them finally */
1545 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1547 #define CHECK_INTERVAL 100 /* 100ms */
1548 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1549 uint8_t count, all_ports_up, print_flag = 0;
1551 struct rte_eth_link link;
1553 printf("\nChecking link status");
1555 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1557 for (portid = 0; portid < port_num; portid++) {
1558 if ((port_mask & (1 << portid)) == 0)
1560 memset(&link, 0, sizeof(link));
1561 rte_eth_link_get_nowait(portid, &link);
1562 /* print link status if flag set */
1563 if (print_flag == 1) {
1564 if (link.link_status)
1565 printf("Port %d Link Up - speed %u "
1566 "Mbps - %s\n", (uint8_t)portid,
1567 (unsigned)link.link_speed,
1568 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1569 ("full-duplex") : ("half-duplex\n"));
1571 printf("Port %d Link Down\n",
1575 /* clear all_ports_up flag if any link down */
1576 if (link.link_status == ETH_LINK_DOWN) {
1581 /* after finally printing all link status, get out */
1582 if (print_flag == 1)
1585 if (all_ports_up == 0) {
1588 rte_delay_ms(CHECK_INTERVAL);
1591 /* set the print_flag if all ports up or timeout */
1592 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1599 static int check_ptype(uint16_t portid)
1602 int ptype_l3_ipv4 = 0;
1603 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1604 int ptype_l3_ipv6 = 0;
1606 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1608 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1612 uint32_t ptypes[ret];
1614 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1615 for (i = 0; i < ret; ++i) {
1616 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1618 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1619 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1624 if (ptype_l3_ipv4 == 0)
1625 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1627 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1628 if (ptype_l3_ipv6 == 0)
1629 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1632 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1634 #else /* APP_LOOKUP_EXACT_MATCH */
1635 if (ptype_l3_ipv4 && ptype_l3_ipv6)
1644 main(int argc, char **argv)
1646 struct lcore_conf *qconf;
1647 struct rte_eth_dev_info dev_info;
1648 struct rte_eth_txconf *txconf;
1654 uint32_t n_tx_queue, nb_lcores;
1655 uint32_t dev_rxq_num, dev_txq_num;
1656 uint8_t nb_rx_queue, queue, socketid;
1658 uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1660 /* catch SIGINT and restore cpufreq governor to ondemand */
1661 signal(SIGINT, signal_exit_now);
1664 ret = rte_eal_init(argc, argv);
1666 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1670 /* init RTE timer library to be used late */
1671 rte_timer_subsystem_init();
1673 /* parse application arguments (after the EAL ones) */
1674 ret = parse_args(argc, argv);
1676 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1678 if (check_lcore_params() < 0)
1679 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1681 ret = init_lcore_rx_queues();
1683 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1685 nb_ports = rte_eth_dev_count();
1687 if (check_port_config(nb_ports) < 0)
1688 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1690 nb_lcores = rte_lcore_count();
1692 /* initialize all ports */
1693 for (portid = 0; portid < nb_ports; portid++) {
1694 /* skip ports that are not enabled */
1695 if ((enabled_port_mask & (1 << portid)) == 0) {
1696 printf("\nSkipping disabled port %d\n", portid);
1701 printf("Initializing port %d ... ", portid );
1704 rte_eth_dev_info_get(portid, &dev_info);
1705 dev_rxq_num = dev_info.max_rx_queues;
1706 dev_txq_num = dev_info.max_tx_queues;
1708 nb_rx_queue = get_port_n_rx_queues(portid);
1709 if (nb_rx_queue > dev_rxq_num)
1710 rte_exit(EXIT_FAILURE,
1711 "Cannot configure not existed rxq: "
1712 "port=%d\n", portid);
1714 n_tx_queue = nb_lcores;
1715 if (n_tx_queue > dev_txq_num)
1716 n_tx_queue = dev_txq_num;
1717 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1718 nb_rx_queue, (unsigned)n_tx_queue );
1719 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1720 if (nb_rx_queue == 0)
1721 port_conf.intr_conf.rxq = 0;
1722 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1723 (uint16_t)n_tx_queue, &port_conf);
1724 /* Revert to original value */
1725 port_conf.intr_conf.rxq = org_rxq_intr;
1727 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1728 "err=%d, port=%d\n", ret, portid);
1730 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1733 rte_exit(EXIT_FAILURE,
1734 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1737 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1738 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1742 ret = init_mem(NB_MBUF);
1744 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1746 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1747 if (rte_lcore_is_enabled(lcore_id) == 0)
1750 /* Initialize TX buffers */
1751 qconf = &lcore_conf[lcore_id];
1752 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1753 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1754 rte_eth_dev_socket_id(portid));
1755 if (qconf->tx_buffer[portid] == NULL)
1756 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1759 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1762 /* init one TX queue per couple (lcore,port) */
1764 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1765 if (rte_lcore_is_enabled(lcore_id) == 0)
1768 if (queueid >= dev_txq_num)
1773 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1777 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1780 rte_eth_dev_info_get(portid, &dev_info);
1781 txconf = &dev_info.default_txconf;
1782 if (port_conf.rxmode.jumbo_frame)
1783 txconf->txq_flags = 0;
1784 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1787 rte_exit(EXIT_FAILURE,
1788 "rte_eth_tx_queue_setup: err=%d, "
1789 "port=%d\n", ret, portid);
1791 qconf = &lcore_conf[lcore_id];
1792 qconf->tx_queue_id[portid] = queueid;
1795 qconf->tx_port_id[qconf->n_tx_port] = portid;
1801 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1802 if (rte_lcore_is_enabled(lcore_id) == 0)
1805 /* init power management library */
1806 ret = rte_power_init(lcore_id);
1809 "Library initialization failed on core %u\n", lcore_id);
1811 /* init timer structures for each enabled lcore */
1812 rte_timer_init(&power_timers[lcore_id]);
1813 hz = rte_get_timer_hz();
1814 rte_timer_reset(&power_timers[lcore_id],
1815 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1816 power_timer_cb, NULL);
1818 qconf = &lcore_conf[lcore_id];
1819 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1821 /* init RX queues */
1822 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1823 portid = qconf->rx_queue_list[queue].port_id;
1824 queueid = qconf->rx_queue_list[queue].queue_id;
1828 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1832 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1835 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1837 pktmbuf_pool[socketid]);
1839 rte_exit(EXIT_FAILURE,
1840 "rte_eth_rx_queue_setup: err=%d, "
1841 "port=%d\n", ret, portid);
1844 if (add_cb_parse_ptype(portid, queueid) < 0)
1845 rte_exit(EXIT_FAILURE,
1846 "Fail to add ptype cb\n");
1847 } else if (!check_ptype(portid))
1848 rte_exit(EXIT_FAILURE,
1849 "PMD can not provide needed ptypes\n");
1856 for (portid = 0; portid < nb_ports; portid++) {
1857 if ((enabled_port_mask & (1 << portid)) == 0) {
1861 ret = rte_eth_dev_start(portid);
1863 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1864 "port=%d\n", ret, portid);
1866 * If enabled, put device in promiscuous mode.
1867 * This allows IO forwarding mode to forward packets
1868 * to itself through 2 cross-connected ports of the
1872 rte_eth_promiscuous_enable(portid);
1873 /* initialize spinlock for each port */
1874 rte_spinlock_init(&(locks[portid]));
1877 check_all_ports_link_status(nb_ports, enabled_port_mask);
1879 /* launch per-lcore init on every lcore */
1880 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1881 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1882 if (rte_eal_wait_lcore(lcore_id) < 0)