1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
11 #include <sys/queue.h>
16 #include <rte_common.h>
18 #include <rte_byteorder.h>
20 #include <rte_memory.h>
21 #include <rte_memcpy.h>
23 #include <rte_launch.h>
24 #include <rte_atomic.h>
25 #include <rte_cycles.h>
26 #include <rte_prefetch.h>
27 #include <rte_lcore.h>
28 #include <rte_per_lcore.h>
29 #include <rte_branch_prediction.h>
30 #include <rte_interrupts.h>
31 #include <rte_random.h>
32 #include <rte_debug.h>
33 #include <rte_ether.h>
34 #include <rte_ethdev.h>
36 #include <rte_mempool.h>
41 #include <rte_string_fns.h>
42 #include <rte_pause.h>
43 #include <rte_timer.h>
45 #include <cmdline_parse.h>
46 #include <cmdline_parse_etheraddr.h>
48 #include <lthread_api.h>
50 #define APP_LOOKUP_EXACT_MATCH 0
51 #define APP_LOOKUP_LPM 1
52 #define DO_RFC_1812_CHECKS
54 /* Enable cpu-load stats 0-off, 1-on */
55 #define APP_CPU_LOAD 1
57 #ifndef APP_LOOKUP_METHOD
58 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
61 #ifndef __GLIBC__ /* sched_getcpu() is glibc specific */
62 #define sched_getcpu() rte_lcore_id()
66 check_ptype(int portid)
69 int ipv4 = 0, ipv6 = 0;
71 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK, NULL,
78 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK,
80 for (i = 0; i < ret; ++i) {
81 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
83 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
94 parse_ptype(struct rte_mbuf *m)
96 struct rte_ether_hdr *eth_hdr;
97 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
100 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
101 ether_type = eth_hdr->ether_type;
102 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
103 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
104 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
105 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
107 m->packet_type = packet_type;
111 cb_parse_ptype(__rte_unused uint16_t port, __rte_unused uint16_t queue,
112 struct rte_mbuf *pkts[], uint16_t nb_pkts,
113 __rte_unused uint16_t max_pkts, __rte_unused void *user_param)
117 for (i = 0; i < nb_pkts; i++)
118 parse_ptype(pkts[i]);
124 * When set to zero, simple forwaring path is eanbled.
125 * When set to one, optimized forwarding path is enabled.
126 * Note that LPM optimisation path uses SSE4.1 instructions.
128 #define ENABLE_MULTI_BUFFER_OPTIMIZE 1
130 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
131 #include <rte_hash.h>
132 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
134 #include <rte_lpm6.h>
136 #error "APP_LOOKUP_METHOD set to incorrect value"
139 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
141 #define MAX_JUMBO_PKT_LEN 9600
143 #define IPV6_ADDR_LEN 16
145 #define MEMPOOL_CACHE_SIZE 256
148 * This expression is used to calculate the number of mbufs needed depending on
149 * user input, taking into account memory for rx and tx hardware rings, cache
150 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
151 * NB_MBUF never goes below a minimum value of 8192
154 #define NB_MBUF RTE_MAX(\
155 (nb_ports*nb_rx_queue*nb_rxd + \
156 nb_ports*nb_lcores*MAX_PKT_BURST + \
157 nb_ports*n_tx_queue*nb_txd + \
158 nb_lcores*MEMPOOL_CACHE_SIZE), \
161 #define MAX_PKT_BURST 32
162 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
165 * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
167 #define MAX_TX_BURST (MAX_PKT_BURST / 2)
168 #define BURST_SIZE MAX_TX_BURST
172 /* Configure how many packets ahead to prefetch, when reading packets */
173 #define PREFETCH_OFFSET 3
175 /* Used to mark destination port as 'invalid'. */
176 #define BAD_PORT ((uint16_t)-1)
181 * Configurable number of RX/TX ring descriptors
183 #define RTE_TEST_RX_DESC_DEFAULT 1024
184 #define RTE_TEST_TX_DESC_DEFAULT 1024
185 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
186 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
188 /* ethernet addresses of ports */
189 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
190 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
192 static xmm_t val_eth[RTE_MAX_ETHPORTS];
194 /* replace first 12B of the ethernet header. */
195 #define MASK_ETH 0x3f
197 /* mask of enabled ports */
198 static uint32_t enabled_port_mask;
199 static int promiscuous_on; /**< Set in promiscuous mode off by default. */
200 static int numa_on = 1; /**< NUMA is enabled by default. */
201 static int parse_ptype_on;
203 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
204 static int ipv6; /**< ipv6 is false by default. */
207 #if (APP_CPU_LOAD == 1)
209 #define MAX_CPU RTE_MAX_LCORE
210 #define CPU_LOAD_TIMEOUT_US (5 * 1000 * 1000) /**< Timeout for collecting 5s */
212 #define CPU_PROCESS 0
214 #define MAX_CPU_COUNTER 2
219 uint64_t hits[MAX_CPU_COUNTER][MAX_CPU];
220 } __rte_cache_aligned;
222 static struct cpu_load cpu_load;
223 static int cpu_load_lcore_id = -1;
225 #define SET_CPU_BUSY(thread, counter) \
226 thread->conf.busy[counter] = 1
228 #define SET_CPU_IDLE(thread, counter) \
229 thread->conf.busy[counter] = 0
231 #define IS_CPU_BUSY(thread, counter) \
232 (thread->conf.busy[counter] > 0)
236 #define SET_CPU_BUSY(thread, counter)
237 #define SET_CPU_IDLE(thread, counter)
238 #define IS_CPU_BUSY(thread, counter) 0
244 struct rte_mbuf *m_table[MAX_PKT_BURST];
247 struct lcore_rx_queue {
250 } __rte_cache_aligned;
252 #define MAX_RX_QUEUE_PER_LCORE 16
253 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
254 #define MAX_RX_QUEUE_PER_PORT 128
256 #define MAX_LCORE_PARAMS 1024
257 struct rx_thread_params {
262 } __rte_cache_aligned;
264 static struct rx_thread_params rx_thread_params_array[MAX_LCORE_PARAMS];
265 static struct rx_thread_params rx_thread_params_array_default[] = {
277 static struct rx_thread_params *rx_thread_params =
278 rx_thread_params_array_default;
279 static uint16_t nb_rx_thread_params = RTE_DIM(rx_thread_params_array_default);
281 struct tx_thread_params {
284 } __rte_cache_aligned;
286 static struct tx_thread_params tx_thread_params_array[MAX_LCORE_PARAMS];
287 static struct tx_thread_params tx_thread_params_array_default[] = {
299 static struct tx_thread_params *tx_thread_params =
300 tx_thread_params_array_default;
301 static uint16_t nb_tx_thread_params = RTE_DIM(tx_thread_params_array_default);
303 static struct rte_eth_conf port_conf = {
305 .mq_mode = ETH_MQ_RX_RSS,
306 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
308 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
313 .rss_hf = ETH_RSS_TCP,
317 .mq_mode = ETH_MQ_TX_NONE,
321 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
323 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
325 #include <rte_hash_crc.h>
326 #define DEFAULT_HASH_FUNC rte_hash_crc
334 } __attribute__((__packed__));
336 union ipv4_5tuple_host {
349 #define XMM_NUM_IN_IPV6_5TUPLE 3
352 uint8_t ip_dst[IPV6_ADDR_LEN];
353 uint8_t ip_src[IPV6_ADDR_LEN];
357 } __attribute__((__packed__));
359 union ipv6_5tuple_host {
364 uint8_t ip_src[IPV6_ADDR_LEN];
365 uint8_t ip_dst[IPV6_ADDR_LEN];
370 __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE];
373 struct ipv4_l3fwd_route {
374 struct ipv4_5tuple key;
378 struct ipv6_l3fwd_route {
379 struct ipv6_5tuple key;
383 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
384 {{RTE_IPV4(101, 0, 0, 0), RTE_IPV4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0},
385 {{RTE_IPV4(201, 0, 0, 0), RTE_IPV4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1},
386 {{RTE_IPV4(111, 0, 0, 0), RTE_IPV4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2},
387 {{RTE_IPV4(211, 0, 0, 0), RTE_IPV4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3},
390 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
392 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
393 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
395 101, 11, IPPROTO_TCP}, 0},
398 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
399 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
401 102, 12, IPPROTO_TCP}, 1},
404 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
405 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
407 101, 11, IPPROTO_TCP}, 2},
410 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
411 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
413 102, 12, IPPROTO_TCP}, 3},
416 typedef struct rte_hash lookup_struct_t;
417 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
418 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
420 #ifdef RTE_ARCH_X86_64
421 /* default to 4 million hash entries (approx) */
422 #define L3FWD_HASH_ENTRIES (1024*1024*4)
424 /* 32-bit has less address-space for hugepage memory, limit to 1M entries */
425 #define L3FWD_HASH_ENTRIES (1024*1024*1)
427 #define HASH_ENTRY_NUMBER_DEFAULT 4
429 static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
431 static inline uint32_t
432 ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
435 const union ipv4_5tuple_host *k;
441 p = (const uint32_t *)&k->port_src;
443 init_val = rte_hash_crc_4byte(t, init_val);
444 init_val = rte_hash_crc_4byte(k->ip_src, init_val);
445 init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
446 init_val = rte_hash_crc_4byte(*p, init_val);
450 static inline uint32_t
451 ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
454 const union ipv6_5tuple_host *k;
457 const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
458 const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
462 p = (const uint32_t *)&k->port_src;
464 ip_src0 = (const uint32_t *) k->ip_src;
465 ip_src1 = (const uint32_t *)(k->ip_src + 4);
466 ip_src2 = (const uint32_t *)(k->ip_src + 8);
467 ip_src3 = (const uint32_t *)(k->ip_src + 12);
468 ip_dst0 = (const uint32_t *) k->ip_dst;
469 ip_dst1 = (const uint32_t *)(k->ip_dst + 4);
470 ip_dst2 = (const uint32_t *)(k->ip_dst + 8);
471 ip_dst3 = (const uint32_t *)(k->ip_dst + 12);
472 init_val = rte_hash_crc_4byte(t, init_val);
473 init_val = rte_hash_crc_4byte(*ip_src0, init_val);
474 init_val = rte_hash_crc_4byte(*ip_src1, init_val);
475 init_val = rte_hash_crc_4byte(*ip_src2, init_val);
476 init_val = rte_hash_crc_4byte(*ip_src3, init_val);
477 init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
478 init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
479 init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
480 init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
481 init_val = rte_hash_crc_4byte(*p, init_val);
485 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
486 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
488 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
489 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
493 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
494 struct ipv4_l3fwd_route {
500 struct ipv6_l3fwd_route {
506 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
507 {RTE_IPV4(1, 1, 1, 0), 24, 0},
508 {RTE_IPV4(2, 1, 1, 0), 24, 1},
509 {RTE_IPV4(3, 1, 1, 0), 24, 2},
510 {RTE_IPV4(4, 1, 1, 0), 24, 3},
511 {RTE_IPV4(5, 1, 1, 0), 24, 4},
512 {RTE_IPV4(6, 1, 1, 0), 24, 5},
513 {RTE_IPV4(7, 1, 1, 0), 24, 6},
514 {RTE_IPV4(8, 1, 1, 0), 24, 7},
517 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
518 {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
519 {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
520 {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
521 {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
522 {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
523 {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
524 {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
525 {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
528 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
529 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
531 #define IPV4_L3FWD_LPM_MAX_RULES 1024
532 #define IPV6_L3FWD_LPM_MAX_RULES 1024
533 #define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
535 typedef struct rte_lpm lookup_struct_t;
536 typedef struct rte_lpm6 lookup6_struct_t;
537 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
538 static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
542 lookup_struct_t *ipv4_lookup_struct;
543 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
544 lookup6_struct_t *ipv6_lookup_struct;
546 lookup_struct_t *ipv6_lookup_struct;
549 } __rte_cache_aligned;
551 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
552 RTE_DEFINE_PER_LCORE(struct lcore_conf *, lcore_conf);
554 #define MAX_RX_QUEUE_PER_THREAD 16
555 #define MAX_TX_PORT_PER_THREAD RTE_MAX_ETHPORTS
556 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
557 #define MAX_RX_QUEUE_PER_PORT 128
559 #define MAX_RX_THREAD 1024
560 #define MAX_TX_THREAD 1024
561 #define MAX_THREAD (MAX_RX_THREAD + MAX_TX_THREAD)
564 * Producers and consumers threads configuration
566 static int lthreads_on = 1; /**< Use lthreads for processing*/
568 rte_atomic16_t rx_counter; /**< Number of spawned rx threads */
569 rte_atomic16_t tx_counter; /**< Number of spawned tx threads */
572 uint16_t lcore_id; /**< Initial lcore for rx thread */
573 uint16_t cpu_id; /**< Cpu id for cpu load stats counter */
574 uint16_t thread_id; /**< Thread ID */
576 #if (APP_CPU_LOAD > 0)
577 int busy[MAX_CPU_COUNTER];
581 struct thread_rx_conf {
582 struct thread_conf conf;
585 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
587 uint16_t n_ring; /**< Number of output rings */
588 struct rte_ring *ring[RTE_MAX_LCORE];
589 struct lthread_cond *ready[RTE_MAX_LCORE];
591 #if (APP_CPU_LOAD > 0)
592 int busy[MAX_CPU_COUNTER];
594 } __rte_cache_aligned;
596 uint16_t n_rx_thread;
597 struct thread_rx_conf rx_thread[MAX_RX_THREAD];
599 struct thread_tx_conf {
600 struct thread_conf conf;
602 uint16_t tx_queue_id[RTE_MAX_LCORE];
603 struct mbuf_table tx_mbufs[RTE_MAX_LCORE];
605 struct rte_ring *ring;
606 struct lthread_cond **ready;
608 } __rte_cache_aligned;
610 uint16_t n_tx_thread;
611 struct thread_tx_conf tx_thread[MAX_TX_THREAD];
613 /* Send burst of packets on an output interface */
615 send_burst(struct thread_tx_conf *qconf, uint16_t n, uint16_t port)
617 struct rte_mbuf **m_table;
621 queueid = qconf->tx_queue_id[port];
622 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
624 ret = rte_eth_tx_burst(port, queueid, m_table, n);
625 if (unlikely(ret < n)) {
627 rte_pktmbuf_free(m_table[ret]);
634 /* Enqueue a single packet, and send burst if queue is filled */
636 send_single_packet(struct rte_mbuf *m, uint16_t port)
639 struct thread_tx_conf *qconf;
642 qconf = (struct thread_tx_conf *)lthread_get_data();
644 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
646 len = qconf->tx_mbufs[port].len;
647 qconf->tx_mbufs[port].m_table[len] = m;
650 /* enough pkts to be sent */
651 if (unlikely(len == MAX_PKT_BURST)) {
652 send_burst(qconf, MAX_PKT_BURST, port);
656 qconf->tx_mbufs[port].len = len;
660 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
661 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
662 static __rte_always_inline void
663 send_packetsx4(uint16_t port,
664 struct rte_mbuf *m[], uint32_t num)
667 struct thread_tx_conf *qconf;
670 qconf = (struct thread_tx_conf *)lthread_get_data();
672 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
674 len = qconf->tx_mbufs[port].len;
677 * If TX buffer for that queue is empty, and we have enough packets,
678 * then send them straightway.
680 if (num >= MAX_TX_BURST && len == 0) {
681 n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
682 if (unlikely(n < num)) {
684 rte_pktmbuf_free(m[n]);
691 * Put packets into TX buffer for that queue.
695 n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
698 switch (n % FWDSTEP) {
701 qconf->tx_mbufs[port].m_table[len + j] = m[j];
705 qconf->tx_mbufs[port].m_table[len + j] = m[j];
709 qconf->tx_mbufs[port].m_table[len + j] = m[j];
713 qconf->tx_mbufs[port].m_table[len + j] = m[j];
720 /* enough pkts to be sent */
721 if (unlikely(len == MAX_PKT_BURST)) {
723 send_burst(qconf, MAX_PKT_BURST, port);
725 /* copy rest of the packets into the TX buffer. */
728 switch (len % FWDSTEP) {
731 qconf->tx_mbufs[port].m_table[j] = m[n + j];
735 qconf->tx_mbufs[port].m_table[j] = m[n + j];
739 qconf->tx_mbufs[port].m_table[j] = m[n + j];
743 qconf->tx_mbufs[port].m_table[j] = m[n + j];
749 qconf->tx_mbufs[port].len = len;
751 #endif /* APP_LOOKUP_LPM */
753 #ifdef DO_RFC_1812_CHECKS
755 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
757 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
759 * 1. The packet length reported by the Link Layer must be large
760 * enough to hold the minimum length legal IP datagram (20 bytes).
762 if (link_len < sizeof(struct rte_ipv4_hdr))
765 /* 2. The IP checksum must be correct. */
766 /* this is checked in H/W */
769 * 3. The IP version number must be 4. If the version number is not 4
770 * then the packet may be another version of IP, such as IPng or
773 if (((pkt->version_ihl) >> 4) != 4)
776 * 4. The IP header length field must be large enough to hold the
777 * minimum length legal IP datagram (20 bytes = 5 words).
779 if ((pkt->version_ihl & 0xf) < 5)
783 * 5. The IP total length field must be large enough to hold the IP
784 * datagram header, whose length is specified in the IP header length
787 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
794 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
796 static __m128i mask0;
797 static __m128i mask1;
798 static __m128i mask2;
799 static inline uint16_t
800 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid,
801 lookup_struct_t *ipv4_l3fwd_lookup_struct)
804 union ipv4_5tuple_host key;
806 ipv4_hdr = (uint8_t *)ipv4_hdr +
807 offsetof(struct rte_ipv4_hdr, time_to_live);
808 __m128i data = _mm_loadu_si128((__m128i *)(ipv4_hdr));
809 /* Get 5 tuple: dst port, src port, dst IP address, src IP address and
811 key.xmm = _mm_and_si128(data, mask0);
812 /* Find destination port */
813 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
814 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
817 static inline uint16_t
818 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid,
819 lookup_struct_t *ipv6_l3fwd_lookup_struct)
822 union ipv6_5tuple_host key;
824 ipv6_hdr = (uint8_t *)ipv6_hdr +
825 offsetof(struct rte_ipv6_hdr, payload_len);
826 __m128i data0 = _mm_loadu_si128((__m128i *)(ipv6_hdr));
827 __m128i data1 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
829 __m128i data2 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
830 sizeof(__m128i) + sizeof(__m128i)));
831 /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
832 key.xmm[0] = _mm_and_si128(data0, mask1);
833 /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address
836 /* Get part of 5 tuple: dst port and src port and dst IP address higher
838 key.xmm[2] = _mm_and_si128(data2, mask2);
840 /* Find destination port */
841 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
842 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
846 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
848 static inline uint16_t
849 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid,
850 lookup_struct_t *ipv4_l3fwd_lookup_struct)
854 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
855 rte_be_to_cpu_32(((struct rte_ipv4_hdr *)ipv4_hdr)->dst_addr),
856 &next_hop) == 0) ? next_hop : portid);
859 static inline uint16_t
860 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid,
861 lookup6_struct_t *ipv6_l3fwd_lookup_struct)
865 return ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
866 ((struct rte_ipv6_hdr *)ipv6_hdr)->dst_addr, &next_hop) == 0) ?
871 static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid)
872 __attribute__((unused));
874 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
875 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
877 #define MASK_ALL_PKTS 0xff
878 #define EXCLUDE_1ST_PKT 0xfe
879 #define EXCLUDE_2ND_PKT 0xfd
880 #define EXCLUDE_3RD_PKT 0xfb
881 #define EXCLUDE_4TH_PKT 0xf7
882 #define EXCLUDE_5TH_PKT 0xef
883 #define EXCLUDE_6TH_PKT 0xdf
884 #define EXCLUDE_7TH_PKT 0xbf
885 #define EXCLUDE_8TH_PKT 0x7f
888 simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid)
890 struct rte_ether_hdr *eth_hdr[8];
891 struct rte_ipv4_hdr *ipv4_hdr[8];
892 uint16_t dst_port[8];
894 union ipv4_5tuple_host key[8];
897 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct rte_ether_hdr *);
898 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct rte_ether_hdr *);
899 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct rte_ether_hdr *);
900 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct rte_ether_hdr *);
901 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct rte_ether_hdr *);
902 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct rte_ether_hdr *);
903 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct rte_ether_hdr *);
904 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct rte_ether_hdr *);
906 /* Handle IPv4 headers.*/
907 ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct rte_ipv4_hdr *,
908 sizeof(struct rte_ether_hdr));
909 ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct rte_ipv4_hdr *,
910 sizeof(struct rte_ether_hdr));
911 ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct rte_ipv4_hdr *,
912 sizeof(struct rte_ether_hdr));
913 ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct rte_ipv4_hdr *,
914 sizeof(struct rte_ether_hdr));
915 ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct rte_ipv4_hdr *,
916 sizeof(struct rte_ether_hdr));
917 ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct rte_ipv4_hdr *,
918 sizeof(struct rte_ether_hdr));
919 ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct rte_ipv4_hdr *,
920 sizeof(struct rte_ether_hdr));
921 ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct rte_ipv4_hdr *,
922 sizeof(struct rte_ether_hdr));
924 #ifdef DO_RFC_1812_CHECKS
925 /* Check to make sure the packet is valid (RFC1812) */
926 uint8_t valid_mask = MASK_ALL_PKTS;
928 if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
929 rte_pktmbuf_free(m[0]);
930 valid_mask &= EXCLUDE_1ST_PKT;
932 if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
933 rte_pktmbuf_free(m[1]);
934 valid_mask &= EXCLUDE_2ND_PKT;
936 if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
937 rte_pktmbuf_free(m[2]);
938 valid_mask &= EXCLUDE_3RD_PKT;
940 if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
941 rte_pktmbuf_free(m[3]);
942 valid_mask &= EXCLUDE_4TH_PKT;
944 if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) {
945 rte_pktmbuf_free(m[4]);
946 valid_mask &= EXCLUDE_5TH_PKT;
948 if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) {
949 rte_pktmbuf_free(m[5]);
950 valid_mask &= EXCLUDE_6TH_PKT;
952 if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) {
953 rte_pktmbuf_free(m[6]);
954 valid_mask &= EXCLUDE_7TH_PKT;
956 if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) {
957 rte_pktmbuf_free(m[7]);
958 valid_mask &= EXCLUDE_8TH_PKT;
960 if (unlikely(valid_mask != MASK_ALL_PKTS)) {
966 for (i = 0; i < 8; i++)
967 if ((0x1 << i) & valid_mask)
968 l3fwd_simple_forward(m[i], portid);
970 #endif /* End of #ifdef DO_RFC_1812_CHECKS */
972 data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
973 sizeof(struct rte_ether_hdr) +
974 offsetof(struct rte_ipv4_hdr, time_to_live)));
975 data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
976 sizeof(struct rte_ether_hdr) +
977 offsetof(struct rte_ipv4_hdr, time_to_live)));
978 data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
979 sizeof(struct rte_ether_hdr) +
980 offsetof(struct rte_ipv4_hdr, time_to_live)));
981 data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
982 sizeof(struct rte_ether_hdr) +
983 offsetof(struct rte_ipv4_hdr, time_to_live)));
984 data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
985 sizeof(struct rte_ether_hdr) +
986 offsetof(struct rte_ipv4_hdr, time_to_live)));
987 data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
988 sizeof(struct rte_ether_hdr) +
989 offsetof(struct rte_ipv4_hdr, time_to_live)));
990 data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
991 sizeof(struct rte_ether_hdr) +
992 offsetof(struct rte_ipv4_hdr, time_to_live)));
993 data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
994 sizeof(struct rte_ether_hdr) +
995 offsetof(struct rte_ipv4_hdr, time_to_live)));
997 key[0].xmm = _mm_and_si128(data[0], mask0);
998 key[1].xmm = _mm_and_si128(data[1], mask0);
999 key[2].xmm = _mm_and_si128(data[2], mask0);
1000 key[3].xmm = _mm_and_si128(data[3], mask0);
1001 key[4].xmm = _mm_and_si128(data[4], mask0);
1002 key[5].xmm = _mm_and_si128(data[5], mask0);
1003 key[6].xmm = _mm_and_si128(data[6], mask0);
1004 key[7].xmm = _mm_and_si128(data[7], mask0);
1006 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
1007 &key[4], &key[5], &key[6], &key[7]};
1009 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct,
1010 &key_array[0], 8, ret);
1011 dst_port[0] = ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
1012 dst_port[1] = ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
1013 dst_port[2] = ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
1014 dst_port[3] = ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
1015 dst_port[4] = ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
1016 dst_port[5] = ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
1017 dst_port[6] = ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
1018 dst_port[7] = ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]);
1020 if (dst_port[0] >= RTE_MAX_ETHPORTS ||
1021 (enabled_port_mask & 1 << dst_port[0]) == 0)
1022 dst_port[0] = portid;
1023 if (dst_port[1] >= RTE_MAX_ETHPORTS ||
1024 (enabled_port_mask & 1 << dst_port[1]) == 0)
1025 dst_port[1] = portid;
1026 if (dst_port[2] >= RTE_MAX_ETHPORTS ||
1027 (enabled_port_mask & 1 << dst_port[2]) == 0)
1028 dst_port[2] = portid;
1029 if (dst_port[3] >= RTE_MAX_ETHPORTS ||
1030 (enabled_port_mask & 1 << dst_port[3]) == 0)
1031 dst_port[3] = portid;
1032 if (dst_port[4] >= RTE_MAX_ETHPORTS ||
1033 (enabled_port_mask & 1 << dst_port[4]) == 0)
1034 dst_port[4] = portid;
1035 if (dst_port[5] >= RTE_MAX_ETHPORTS ||
1036 (enabled_port_mask & 1 << dst_port[5]) == 0)
1037 dst_port[5] = portid;
1038 if (dst_port[6] >= RTE_MAX_ETHPORTS ||
1039 (enabled_port_mask & 1 << dst_port[6]) == 0)
1040 dst_port[6] = portid;
1041 if (dst_port[7] >= RTE_MAX_ETHPORTS ||
1042 (enabled_port_mask & 1 << dst_port[7]) == 0)
1043 dst_port[7] = portid;
1045 #ifdef DO_RFC_1812_CHECKS
1046 /* Update time to live and header checksum */
1047 --(ipv4_hdr[0]->time_to_live);
1048 --(ipv4_hdr[1]->time_to_live);
1049 --(ipv4_hdr[2]->time_to_live);
1050 --(ipv4_hdr[3]->time_to_live);
1051 ++(ipv4_hdr[0]->hdr_checksum);
1052 ++(ipv4_hdr[1]->hdr_checksum);
1053 ++(ipv4_hdr[2]->hdr_checksum);
1054 ++(ipv4_hdr[3]->hdr_checksum);
1055 --(ipv4_hdr[4]->time_to_live);
1056 --(ipv4_hdr[5]->time_to_live);
1057 --(ipv4_hdr[6]->time_to_live);
1058 --(ipv4_hdr[7]->time_to_live);
1059 ++(ipv4_hdr[4]->hdr_checksum);
1060 ++(ipv4_hdr[5]->hdr_checksum);
1061 ++(ipv4_hdr[6]->hdr_checksum);
1062 ++(ipv4_hdr[7]->hdr_checksum);
1066 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
1067 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
1068 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
1069 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
1070 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
1071 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
1072 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
1073 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
1076 rte_ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
1077 rte_ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
1078 rte_ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
1079 rte_ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
1080 rte_ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
1081 rte_ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
1082 rte_ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
1083 rte_ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
1085 send_single_packet(m[0], (uint8_t)dst_port[0]);
1086 send_single_packet(m[1], (uint8_t)dst_port[1]);
1087 send_single_packet(m[2], (uint8_t)dst_port[2]);
1088 send_single_packet(m[3], (uint8_t)dst_port[3]);
1089 send_single_packet(m[4], (uint8_t)dst_port[4]);
1090 send_single_packet(m[5], (uint8_t)dst_port[5]);
1091 send_single_packet(m[6], (uint8_t)dst_port[6]);
1092 send_single_packet(m[7], (uint8_t)dst_port[7]);
1096 static inline void get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
1097 __m128i mask1, union ipv6_5tuple_host *key)
1099 __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1100 __m128i *, sizeof(struct rte_ether_hdr) +
1101 offsetof(struct rte_ipv6_hdr, payload_len)));
1102 __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1103 __m128i *, sizeof(struct rte_ether_hdr) +
1104 offsetof(struct rte_ipv6_hdr, payload_len) +
1106 __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1107 __m128i *, sizeof(struct rte_ether_hdr) +
1108 offsetof(struct rte_ipv6_hdr, payload_len) +
1109 sizeof(__m128i) + sizeof(__m128i)));
1110 key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
1111 key->xmm[1] = tmpdata1;
1112 key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
1116 simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid)
1119 uint16_t dst_port[8];
1120 struct rte_ether_hdr *eth_hdr[8];
1121 union ipv6_5tuple_host key[8];
1123 __attribute__((unused)) struct rte_ipv6_hdr *ipv6_hdr[8];
1125 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct rte_ether_hdr *);
1126 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct rte_ether_hdr *);
1127 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct rte_ether_hdr *);
1128 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct rte_ether_hdr *);
1129 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct rte_ether_hdr *);
1130 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct rte_ether_hdr *);
1131 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct rte_ether_hdr *);
1132 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct rte_ether_hdr *);
1134 /* Handle IPv6 headers.*/
1135 ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct rte_ipv6_hdr *,
1136 sizeof(struct rte_ether_hdr));
1137 ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct rte_ipv6_hdr *,
1138 sizeof(struct rte_ether_hdr));
1139 ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct rte_ipv6_hdr *,
1140 sizeof(struct rte_ether_hdr));
1141 ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct rte_ipv6_hdr *,
1142 sizeof(struct rte_ether_hdr));
1143 ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct rte_ipv6_hdr *,
1144 sizeof(struct rte_ether_hdr));
1145 ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct rte_ipv6_hdr *,
1146 sizeof(struct rte_ether_hdr));
1147 ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct rte_ipv6_hdr *,
1148 sizeof(struct rte_ether_hdr));
1149 ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct rte_ipv6_hdr *,
1150 sizeof(struct rte_ether_hdr));
1152 get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
1153 get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
1154 get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
1155 get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
1156 get_ipv6_5tuple(m[4], mask1, mask2, &key[4]);
1157 get_ipv6_5tuple(m[5], mask1, mask2, &key[5]);
1158 get_ipv6_5tuple(m[6], mask1, mask2, &key[6]);
1159 get_ipv6_5tuple(m[7], mask1, mask2, &key[7]);
1161 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
1162 &key[4], &key[5], &key[6], &key[7]};
1164 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
1165 &key_array[0], 4, ret);
1166 dst_port[0] = ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]);
1167 dst_port[1] = ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]);
1168 dst_port[2] = ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]);
1169 dst_port[3] = ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]);
1170 dst_port[4] = ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]);
1171 dst_port[5] = ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]);
1172 dst_port[6] = ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]);
1173 dst_port[7] = ((ret[7] < 0) ? portid : ipv6_l3fwd_out_if[ret[7]]);
1175 if (dst_port[0] >= RTE_MAX_ETHPORTS ||
1176 (enabled_port_mask & 1 << dst_port[0]) == 0)
1177 dst_port[0] = portid;
1178 if (dst_port[1] >= RTE_MAX_ETHPORTS ||
1179 (enabled_port_mask & 1 << dst_port[1]) == 0)
1180 dst_port[1] = portid;
1181 if (dst_port[2] >= RTE_MAX_ETHPORTS ||
1182 (enabled_port_mask & 1 << dst_port[2]) == 0)
1183 dst_port[2] = portid;
1184 if (dst_port[3] >= RTE_MAX_ETHPORTS ||
1185 (enabled_port_mask & 1 << dst_port[3]) == 0)
1186 dst_port[3] = portid;
1187 if (dst_port[4] >= RTE_MAX_ETHPORTS ||
1188 (enabled_port_mask & 1 << dst_port[4]) == 0)
1189 dst_port[4] = portid;
1190 if (dst_port[5] >= RTE_MAX_ETHPORTS ||
1191 (enabled_port_mask & 1 << dst_port[5]) == 0)
1192 dst_port[5] = portid;
1193 if (dst_port[6] >= RTE_MAX_ETHPORTS ||
1194 (enabled_port_mask & 1 << dst_port[6]) == 0)
1195 dst_port[6] = portid;
1196 if (dst_port[7] >= RTE_MAX_ETHPORTS ||
1197 (enabled_port_mask & 1 << dst_port[7]) == 0)
1198 dst_port[7] = portid;
1201 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
1202 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
1203 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
1204 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
1205 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
1206 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
1207 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
1208 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
1211 rte_ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
1212 rte_ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
1213 rte_ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
1214 rte_ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
1215 rte_ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
1216 rte_ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
1217 rte_ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
1218 rte_ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
1220 send_single_packet(m[0], dst_port[0]);
1221 send_single_packet(m[1], dst_port[1]);
1222 send_single_packet(m[2], dst_port[2]);
1223 send_single_packet(m[3], dst_port[3]);
1224 send_single_packet(m[4], dst_port[4]);
1225 send_single_packet(m[5], dst_port[5]);
1226 send_single_packet(m[6], dst_port[6]);
1227 send_single_packet(m[7], dst_port[7]);
1230 #endif /* APP_LOOKUP_METHOD */
1232 static __rte_always_inline void
1233 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid)
1235 struct rte_ether_hdr *eth_hdr;
1236 struct rte_ipv4_hdr *ipv4_hdr;
1239 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
1241 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
1242 /* Handle IPv4 headers.*/
1243 ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
1244 sizeof(struct rte_ether_hdr));
1246 #ifdef DO_RFC_1812_CHECKS
1247 /* Check to make sure the packet is valid (RFC1812) */
1248 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
1249 rte_pktmbuf_free(m);
1254 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
1255 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct);
1256 if (dst_port >= RTE_MAX_ETHPORTS ||
1257 (enabled_port_mask & 1 << dst_port) == 0)
1260 #ifdef DO_RFC_1812_CHECKS
1261 /* Update time to live and header checksum */
1262 --(ipv4_hdr->time_to_live);
1263 ++(ipv4_hdr->hdr_checksum);
1266 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1269 rte_ether_addr_copy(&ports_eth_addr[dst_port],
1272 send_single_packet(m, dst_port);
1273 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
1274 /* Handle IPv6 headers.*/
1275 struct rte_ipv6_hdr *ipv6_hdr;
1277 ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
1278 sizeof(struct rte_ether_hdr));
1280 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
1281 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct);
1283 if (dst_port >= RTE_MAX_ETHPORTS ||
1284 (enabled_port_mask & 1 << dst_port) == 0)
1288 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1291 rte_ether_addr_copy(&ports_eth_addr[dst_port],
1294 send_single_packet(m, dst_port);
1296 /* Free the mbuf that contains non-IPV4/IPV6 packet */
1297 rte_pktmbuf_free(m);
1300 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1301 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1302 #ifdef DO_RFC_1812_CHECKS
1304 #define IPV4_MIN_VER_IHL 0x45
1305 #define IPV4_MAX_VER_IHL 0x4f
1306 #define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
1308 /* Minimum value of IPV4 total length (20B) in network byte order. */
1309 #define IPV4_MIN_LEN_BE (sizeof(struct rte_ipv4_hdr) << 8)
1312 * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
1313 * - The IP version number must be 4.
1314 * - The IP header length field must be large enough to hold the
1315 * minimum length legal IP datagram (20 bytes = 5 words).
1316 * - The IP total length field must be large enough to hold the IP
1317 * datagram header, whose length is specified in the IP header length
1319 * If we encounter invalid IPV4 packet, then set destination port for it
1320 * to BAD_PORT value.
1322 static __rte_always_inline void
1323 rfc1812_process(struct rte_ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
1327 if (RTE_ETH_IS_IPV4_HDR(ptype)) {
1328 ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
1330 ipv4_hdr->time_to_live--;
1331 ipv4_hdr->hdr_checksum++;
1333 if (ihl > IPV4_MAX_VER_IHL_DIFF ||
1334 ((uint8_t)ipv4_hdr->total_length == 0 &&
1335 ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) {
1342 #define rfc1812_process(mb, dp, ptype) do { } while (0)
1343 #endif /* DO_RFC_1812_CHECKS */
1344 #endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */
1347 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1348 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1350 static __rte_always_inline uint16_t
1351 get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint16_t portid)
1354 struct rte_ipv6_hdr *ipv6_hdr;
1355 struct rte_ether_hdr *eth_hdr;
1357 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
1358 return (uint16_t) ((rte_lpm_lookup(
1359 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dst_ipv4,
1360 &next_hop) == 0) ? next_hop : portid);
1362 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
1364 eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
1365 ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
1367 return (uint16_t) ((rte_lpm6_lookup(
1368 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
1369 ipv6_hdr->dst_addr, &next_hop) == 0) ?
1378 process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint16_t portid)
1380 struct rte_ether_hdr *eth_hdr;
1381 struct rte_ipv4_hdr *ipv4_hdr;
1386 eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
1387 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
1389 dst_ipv4 = ipv4_hdr->dst_addr;
1390 dst_ipv4 = rte_be_to_cpu_32(dst_ipv4);
1391 dp = get_dst_port(pkt, dst_ipv4, portid);
1393 te = _mm_load_si128((__m128i *)eth_hdr);
1397 rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type);
1399 te = _mm_blend_epi16(te, ve, MASK_ETH);
1400 _mm_store_si128((__m128i *)eth_hdr, te);
1404 * Read packet_type and destination IPV4 addresses from 4 mbufs.
1407 processx4_step1(struct rte_mbuf *pkt[FWDSTEP],
1409 uint32_t *ipv4_flag)
1411 struct rte_ipv4_hdr *ipv4_hdr;
1412 struct rte_ether_hdr *eth_hdr;
1413 uint32_t x0, x1, x2, x3;
1415 eth_hdr = rte_pktmbuf_mtod(pkt[0], struct rte_ether_hdr *);
1416 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
1417 x0 = ipv4_hdr->dst_addr;
1418 ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4;
1420 eth_hdr = rte_pktmbuf_mtod(pkt[1], struct rte_ether_hdr *);
1421 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
1422 x1 = ipv4_hdr->dst_addr;
1423 ipv4_flag[0] &= pkt[1]->packet_type;
1425 eth_hdr = rte_pktmbuf_mtod(pkt[2], struct rte_ether_hdr *);
1426 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
1427 x2 = ipv4_hdr->dst_addr;
1428 ipv4_flag[0] &= pkt[2]->packet_type;
1430 eth_hdr = rte_pktmbuf_mtod(pkt[3], struct rte_ether_hdr *);
1431 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
1432 x3 = ipv4_hdr->dst_addr;
1433 ipv4_flag[0] &= pkt[3]->packet_type;
1435 dip[0] = _mm_set_epi32(x3, x2, x1, x0);
1439 * Lookup into LPM for destination port.
1440 * If lookup fails, use incoming port (portid) as destination port.
1443 processx4_step2(__m128i dip,
1446 struct rte_mbuf *pkt[FWDSTEP],
1447 uint16_t dprt[FWDSTEP])
1450 const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
1451 4, 5, 6, 7, 0, 1, 2, 3);
1453 /* Byte swap 4 IPV4 addresses. */
1454 dip = _mm_shuffle_epi8(dip, bswap_mask);
1456 /* if all 4 packets are IPV4. */
1457 if (likely(ipv4_flag)) {
1458 rte_lpm_lookupx4(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dip,
1461 /* get rid of unused upper 16 bit for each dport. */
1462 dst.x = _mm_packs_epi32(dst.x, dst.x);
1463 *(uint64_t *)dprt = dst.u64[0];
1466 dprt[0] = get_dst_port(pkt[0], dst.u32[0], portid);
1467 dprt[1] = get_dst_port(pkt[1], dst.u32[1], portid);
1468 dprt[2] = get_dst_port(pkt[2], dst.u32[2], portid);
1469 dprt[3] = get_dst_port(pkt[3], dst.u32[3], portid);
1474 * Update source and destination MAC addresses in the ethernet header.
1475 * Perform RFC1812 checks and updates for IPV4 packets.
1478 processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
1480 __m128i te[FWDSTEP];
1481 __m128i ve[FWDSTEP];
1482 __m128i *p[FWDSTEP];
1484 p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *);
1485 p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *);
1486 p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *);
1487 p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *);
1489 ve[0] = val_eth[dst_port[0]];
1490 te[0] = _mm_load_si128(p[0]);
1492 ve[1] = val_eth[dst_port[1]];
1493 te[1] = _mm_load_si128(p[1]);
1495 ve[2] = val_eth[dst_port[2]];
1496 te[2] = _mm_load_si128(p[2]);
1498 ve[3] = val_eth[dst_port[3]];
1499 te[3] = _mm_load_si128(p[3]);
1501 /* Update first 12 bytes, keep rest bytes intact. */
1502 te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH);
1503 te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH);
1504 te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH);
1505 te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH);
1507 _mm_store_si128(p[0], te[0]);
1508 _mm_store_si128(p[1], te[1]);
1509 _mm_store_si128(p[2], te[2]);
1510 _mm_store_si128(p[3], te[3]);
1512 rfc1812_process((struct rte_ipv4_hdr *)
1513 ((struct rte_ether_hdr *)p[0] + 1),
1514 &dst_port[0], pkt[0]->packet_type);
1515 rfc1812_process((struct rte_ipv4_hdr *)
1516 ((struct rte_ether_hdr *)p[1] + 1),
1517 &dst_port[1], pkt[1]->packet_type);
1518 rfc1812_process((struct rte_ipv4_hdr *)
1519 ((struct rte_ether_hdr *)p[2] + 1),
1520 &dst_port[2], pkt[2]->packet_type);
1521 rfc1812_process((struct rte_ipv4_hdr *)
1522 ((struct rte_ether_hdr *)p[3] + 1),
1523 &dst_port[3], pkt[3]->packet_type);
1527 * We group consecutive packets with the same destionation port into one burst.
1528 * To avoid extra latency this is done together with some other packet
1529 * processing, but after we made a final decision about packet's destination.
1530 * To do this we maintain:
1531 * pnum - array of number of consecutive packets with the same dest port for
1532 * each packet in the input burst.
1533 * lp - pointer to the last updated element in the pnum.
1534 * dlp - dest port value lp corresponds to.
1537 #define GRPSZ (1 << FWDSTEP)
1538 #define GRPMSK (GRPSZ - 1)
1540 #define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \
1541 if (likely((dlp) == (dcp)[(idx)])) { \
1544 (dlp) = (dcp)[idx]; \
1545 (lp) = (pn) + (idx); \
1551 * Group consecutive packets with the same destination port in bursts of 4.
1552 * Suppose we have array of destionation ports:
1553 * dst_port[] = {a, b, c, d,, e, ... }
1554 * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
1555 * We doing 4 comparisons at once and the result is 4 bit mask.
1556 * This mask is used as an index into prebuild array of pnum values.
1558 static inline uint16_t *
1559 port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
1561 static const struct {
1562 uint64_t pnum; /* prebuild 4 values for pnum[]. */
1563 int32_t idx; /* index for new last updated elemnet. */
1564 uint16_t lpv; /* add value to the last updated element. */
1567 /* 0: a != b, b != c, c != d, d != e */
1568 .pnum = UINT64_C(0x0001000100010001),
1573 /* 1: a == b, b != c, c != d, d != e */
1574 .pnum = UINT64_C(0x0001000100010002),
1579 /* 2: a != b, b == c, c != d, d != e */
1580 .pnum = UINT64_C(0x0001000100020001),
1585 /* 3: a == b, b == c, c != d, d != e */
1586 .pnum = UINT64_C(0x0001000100020003),
1591 /* 4: a != b, b != c, c == d, d != e */
1592 .pnum = UINT64_C(0x0001000200010001),
1597 /* 5: a == b, b != c, c == d, d != e */
1598 .pnum = UINT64_C(0x0001000200010002),
1603 /* 6: a != b, b == c, c == d, d != e */
1604 .pnum = UINT64_C(0x0001000200030001),
1609 /* 7: a == b, b == c, c == d, d != e */
1610 .pnum = UINT64_C(0x0001000200030004),
1615 /* 8: a != b, b != c, c != d, d == e */
1616 .pnum = UINT64_C(0x0002000100010001),
1621 /* 9: a == b, b != c, c != d, d == e */
1622 .pnum = UINT64_C(0x0002000100010002),
1627 /* 0xa: a != b, b == c, c != d, d == e */
1628 .pnum = UINT64_C(0x0002000100020001),
1633 /* 0xb: a == b, b == c, c != d, d == e */
1634 .pnum = UINT64_C(0x0002000100020003),
1639 /* 0xc: a != b, b != c, c == d, d == e */
1640 .pnum = UINT64_C(0x0002000300010001),
1645 /* 0xd: a == b, b != c, c == d, d == e */
1646 .pnum = UINT64_C(0x0002000300010002),
1651 /* 0xe: a != b, b == c, c == d, d == e */
1652 .pnum = UINT64_C(0x0002000300040001),
1657 /* 0xf: a == b, b == c, c == d, d == e */
1658 .pnum = UINT64_C(0x0002000300040005),
1665 uint16_t u16[FWDSTEP + 1];
1667 } *pnum = (void *)pn;
1671 dp1 = _mm_cmpeq_epi16(dp1, dp2);
1672 dp1 = _mm_unpacklo_epi16(dp1, dp1);
1673 v = _mm_movemask_ps((__m128)dp1);
1675 /* update last port counter. */
1676 lp[0] += gptbl[v].lpv;
1678 /* if dest port value has changed. */
1680 pnum->u64 = gptbl[v].pnum;
1681 pnum->u16[FWDSTEP] = 1;
1682 lp = pnum->u16 + gptbl[v].idx;
1688 #endif /* APP_LOOKUP_METHOD */
1691 process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx,
1697 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1698 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1702 uint16_t dst_port[MAX_PKT_BURST];
1703 __m128i dip[MAX_PKT_BURST / FWDSTEP];
1704 uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP];
1705 uint16_t pnum[MAX_PKT_BURST + 1];
1709 #if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
1710 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1713 * Send nb_rx - nb_rx%8 packets
1716 int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
1718 for (j = 0; j < n; j += 8) {
1720 pkts_burst[j]->packet_type &
1721 pkts_burst[j+1]->packet_type &
1722 pkts_burst[j+2]->packet_type &
1723 pkts_burst[j+3]->packet_type &
1724 pkts_burst[j+4]->packet_type &
1725 pkts_burst[j+5]->packet_type &
1726 pkts_burst[j+6]->packet_type &
1727 pkts_burst[j+7]->packet_type;
1728 if (pkt_type & RTE_PTYPE_L3_IPV4) {
1729 simple_ipv4_fwd_8pkts(&pkts_burst[j], portid);
1730 } else if (pkt_type &
1731 RTE_PTYPE_L3_IPV6) {
1732 simple_ipv6_fwd_8pkts(&pkts_burst[j], portid);
1734 l3fwd_simple_forward(pkts_burst[j], portid);
1735 l3fwd_simple_forward(pkts_burst[j+1], portid);
1736 l3fwd_simple_forward(pkts_burst[j+2], portid);
1737 l3fwd_simple_forward(pkts_burst[j+3], portid);
1738 l3fwd_simple_forward(pkts_burst[j+4], portid);
1739 l3fwd_simple_forward(pkts_burst[j+5], portid);
1740 l3fwd_simple_forward(pkts_burst[j+6], portid);
1741 l3fwd_simple_forward(pkts_burst[j+7], portid);
1744 for (; j < nb_rx ; j++)
1745 l3fwd_simple_forward(pkts_burst[j], portid);
1747 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1749 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1750 for (j = 0; j != k; j += FWDSTEP)
1751 processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP],
1752 &ipv4_flag[j / FWDSTEP]);
1754 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1755 for (j = 0; j != k; j += FWDSTEP)
1756 processx4_step2(dip[j / FWDSTEP], ipv4_flag[j / FWDSTEP],
1757 portid, &pkts_burst[j], &dst_port[j]);
1760 * Finish packet processing and group consecutive
1761 * packets with the same destination port.
1763 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1770 processx4_step3(pkts_burst, dst_port);
1772 /* dp1: <d[0], d[1], d[2], d[3], ... > */
1773 dp1 = _mm_loadu_si128((__m128i *)dst_port);
1775 for (j = FWDSTEP; j != k; j += FWDSTEP) {
1776 processx4_step3(&pkts_burst[j], &dst_port[j]);
1780 * <d[j-3], d[j-2], d[j-1], d[j], ... >
1782 dp2 = _mm_loadu_si128(
1783 (__m128i *)&dst_port[j - FWDSTEP + 1]);
1784 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
1788 * <d[j], d[j+1], d[j+2], d[j+3], ... >
1790 dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) *
1791 sizeof(dst_port[0]));
1795 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
1797 dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
1798 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
1801 * remove values added by the last repeated
1805 dlp = dst_port[j - 1];
1807 /* set dlp and lp to the never used values. */
1809 lp = pnum + MAX_PKT_BURST;
1812 /* Process up to last 3 packets one by one. */
1813 switch (nb_rx % FWDSTEP) {
1815 process_packet(pkts_burst[j], dst_port + j, portid);
1816 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1820 process_packet(pkts_burst[j], dst_port + j, portid);
1821 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1825 process_packet(pkts_burst[j], dst_port + j, portid);
1826 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1831 * Send packets out, through destination port.
1832 * Consecuteve pacekts with the same destination port
1833 * are already grouped together.
1834 * If destination port for the packet equals BAD_PORT,
1835 * then free the packet without sending it out.
1837 for (j = 0; j < nb_rx; j += k) {
1845 if (likely(pn != BAD_PORT))
1846 send_packetsx4(pn, pkts_burst + j, k);
1848 for (m = j; m != j + k; m++)
1849 rte_pktmbuf_free(pkts_burst[m]);
1853 #endif /* APP_LOOKUP_METHOD */
1854 #else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */
1856 /* Prefetch first packets */
1857 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
1858 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
1860 /* Prefetch and forward already prefetched packets */
1861 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1862 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1863 j + PREFETCH_OFFSET], void *));
1864 l3fwd_simple_forward(pkts_burst[j], portid);
1867 /* Forward remaining prefetched packets */
1868 for (; j < nb_rx; j++)
1869 l3fwd_simple_forward(pkts_burst[j], portid);
1871 #endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */
1875 #if (APP_CPU_LOAD > 0)
1878 * CPU-load stats collector
1880 static int __attribute__((noreturn))
1881 cpu_load_collector(__rte_unused void *arg) {
1884 uint64_t prev_tsc, diff_tsc, cur_tsc;
1885 uint64_t total[MAX_CPU] = { 0 };
1886 unsigned min_cpu = MAX_CPU;
1887 unsigned max_cpu = 0;
1892 unsigned int n_thread_per_cpu[MAX_CPU] = { 0 };
1893 struct thread_conf *thread_per_cpu[MAX_CPU][MAX_THREAD];
1895 struct thread_conf *thread_conf;
1897 const uint64_t interval_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
1898 US_PER_S * CPU_LOAD_TIMEOUT_US;
1902 * Wait for all threads
1905 printf("Waiting for %d rx threads and %d tx threads\n", n_rx_thread,
1908 while (rte_atomic16_read(&rx_counter) < n_rx_thread)
1911 while (rte_atomic16_read(&tx_counter) < n_tx_thread)
1914 for (i = 0; i < n_rx_thread; i++) {
1916 thread_conf = &rx_thread[i].conf;
1917 cpu_id = thread_conf->cpu_id;
1918 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
1920 if (cpu_id > max_cpu)
1922 if (cpu_id < min_cpu)
1925 for (i = 0; i < n_tx_thread; i++) {
1927 thread_conf = &tx_thread[i].conf;
1928 cpu_id = thread_conf->cpu_id;
1929 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
1931 if (thread_conf->cpu_id > max_cpu)
1932 max_cpu = thread_conf->cpu_id;
1933 if (thread_conf->cpu_id < min_cpu)
1934 min_cpu = thread_conf->cpu_id;
1940 for (i = min_cpu; i <= max_cpu; i++) {
1941 for (j = 0; j < MAX_CPU_COUNTER; j++) {
1942 for (k = 0; k < n_thread_per_cpu[i]; k++)
1943 if (thread_per_cpu[i][k]->busy[j]) {
1948 cpu_load.hits[j][i]++;
1960 cur_tsc = rte_rdtsc();
1962 diff_tsc = cur_tsc - prev_tsc;
1963 if (unlikely(diff_tsc > interval_tsc)) {
1967 printf("Cpu usage for %d rx threads and %d tx threads:\n\n",
1968 n_rx_thread, n_tx_thread);
1970 printf("cpu# proc%% poll%% overhead%%\n\n");
1972 for (i = min_cpu; i <= max_cpu; i++) {
1974 printf("CPU %d:", i);
1975 for (j = 0; j < MAX_CPU_COUNTER; j++) {
1976 printf("%7" PRIu64 "",
1977 cpu_load.hits[j][i] * 100 / cpu_load.counter);
1978 hits += cpu_load.hits[j][i];
1979 cpu_load.hits[j][i] = 0;
1981 printf("%7" PRIu64 "\n",
1982 100 - total[i] * 100 / cpu_load.counter);
1985 cpu_load.counter = 0;
1992 #endif /* APP_CPU_LOAD */
1995 * Null processing lthread loop
1997 * This loop is used to start empty scheduler on lcore.
2000 lthread_null(__rte_unused void *args)
2002 int lcore_id = rte_lcore_id();
2004 RTE_LOG(INFO, L3FWD, "Starting scheduler on lcore %d.\n", lcore_id);
2009 /* main processing loop */
2011 lthread_tx_per_ring(void *dummy)
2015 struct rte_ring *ring;
2016 struct thread_tx_conf *tx_conf;
2017 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2018 struct lthread_cond *ready;
2020 tx_conf = (struct thread_tx_conf *)dummy;
2021 ring = tx_conf->ring;
2022 ready = *tx_conf->ready;
2024 lthread_set_data((void *)tx_conf);
2027 * Move this lthread to lcore
2029 lthread_set_affinity(tx_conf->conf.lcore_id);
2031 RTE_LOG(INFO, L3FWD, "entering main tx loop on lcore %u\n", rte_lcore_id());
2034 rte_atomic16_inc(&tx_counter);
2038 * Read packet from ring
2040 SET_CPU_BUSY(tx_conf, CPU_POLL);
2041 nb_rx = rte_ring_sc_dequeue_burst(ring, (void **)pkts_burst,
2042 MAX_PKT_BURST, NULL);
2043 SET_CPU_IDLE(tx_conf, CPU_POLL);
2046 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2047 portid = pkts_burst[0]->port;
2048 process_burst(pkts_burst, nb_rx, portid);
2049 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2052 lthread_cond_wait(ready, 0);
2059 * Main tx-lthreads spawner lthread.
2061 * This lthread is used to spawn one new lthread per ring from producers.
2065 lthread_tx(void *args)
2071 struct thread_tx_conf *tx_conf;
2073 tx_conf = (struct thread_tx_conf *)args;
2074 lthread_set_data((void *)tx_conf);
2077 * Move this lthread to the selected lcore
2079 lthread_set_affinity(tx_conf->conf.lcore_id);
2082 * Spawn tx readers (one per input ring)
2084 lthread_create(<, tx_conf->conf.lcore_id, lthread_tx_per_ring,
2087 lcore_id = rte_lcore_id();
2089 RTE_LOG(INFO, L3FWD, "Entering Tx main loop on lcore %u\n", lcore_id);
2091 tx_conf->conf.cpu_id = sched_getcpu();
2094 lthread_sleep(BURST_TX_DRAIN_US * 1000);
2097 * TX burst queue drain
2099 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
2100 if (tx_conf->tx_mbufs[portid].len == 0)
2102 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2103 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
2104 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2105 tx_conf->tx_mbufs[portid].len = 0;
2113 lthread_rx(void *dummy)
2121 int len[RTE_MAX_LCORE] = { 0 };
2122 int old_len, new_len;
2123 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2124 struct thread_rx_conf *rx_conf;
2126 rx_conf = (struct thread_rx_conf *)dummy;
2127 lthread_set_data((void *)rx_conf);
2130 * Move this lthread to lcore
2132 lthread_set_affinity(rx_conf->conf.lcore_id);
2134 if (rx_conf->n_rx_queue == 0) {
2135 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", rte_lcore_id());
2139 RTE_LOG(INFO, L3FWD, "Entering main Rx loop on lcore %u\n", rte_lcore_id());
2141 for (i = 0; i < rx_conf->n_rx_queue; i++) {
2143 portid = rx_conf->rx_queue_list[i].port_id;
2144 queueid = rx_conf->rx_queue_list[i].queue_id;
2145 RTE_LOG(INFO, L3FWD,
2146 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
2147 rte_lcore_id(), portid, queueid);
2151 * Init all condition variables (one per rx thread)
2153 for (i = 0; i < rx_conf->n_rx_queue; i++)
2154 lthread_cond_init(NULL, &rx_conf->ready[i], NULL);
2158 rx_conf->conf.cpu_id = sched_getcpu();
2159 rte_atomic16_inc(&rx_counter);
2163 * Read packet from RX queues
2165 for (i = 0; i < rx_conf->n_rx_queue; ++i) {
2166 portid = rx_conf->rx_queue_list[i].port_id;
2167 queueid = rx_conf->rx_queue_list[i].queue_id;
2169 SET_CPU_BUSY(rx_conf, CPU_POLL);
2170 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
2172 SET_CPU_IDLE(rx_conf, CPU_POLL);
2175 worker_id = (worker_id + 1) % rx_conf->n_ring;
2176 old_len = len[worker_id];
2178 SET_CPU_BUSY(rx_conf, CPU_PROCESS);
2179 ret = rte_ring_sp_enqueue_burst(
2180 rx_conf->ring[worker_id],
2181 (void **) pkts_burst,
2184 new_len = old_len + ret;
2186 if (new_len >= BURST_SIZE) {
2187 lthread_cond_signal(rx_conf->ready[worker_id]);
2191 len[worker_id] = new_len;
2193 if (unlikely(ret < nb_rx)) {
2196 for (k = ret; k < nb_rx; k++) {
2197 struct rte_mbuf *m = pkts_burst[k];
2199 rte_pktmbuf_free(m);
2202 SET_CPU_IDLE(rx_conf, CPU_PROCESS);
2212 * Start scheduler with initial lthread on lcore
2214 * This lthread loop spawns all rx and tx lthreads on master lcore
2218 lthread_spawner(__rte_unused void *arg)
2220 struct lthread *lt[MAX_THREAD];
2224 printf("Entering lthread_spawner\n");
2227 * Create producers (rx threads) on default lcore
2229 for (i = 0; i < n_rx_thread; i++) {
2230 rx_thread[i].conf.thread_id = i;
2231 lthread_create(<[n_thread], -1, lthread_rx,
2232 (void *)&rx_thread[i]);
2237 * Wait for all producers. Until some producers can be started on the same
2238 * scheduler as this lthread, yielding is required to let them to run and
2239 * prevent deadlock here.
2241 while (rte_atomic16_read(&rx_counter) < n_rx_thread)
2242 lthread_sleep(100000);
2245 * Create consumers (tx threads) on default lcore_id
2247 for (i = 0; i < n_tx_thread; i++) {
2248 tx_thread[i].conf.thread_id = i;
2249 lthread_create(<[n_thread], -1, lthread_tx,
2250 (void *)&tx_thread[i]);
2255 * Wait for all threads finished
2257 for (i = 0; i < n_thread; i++)
2258 lthread_join(lt[i], NULL);
2264 * Start master scheduler with initial lthread spawning rx and tx lthreads
2265 * (main_lthread_master).
2268 lthread_master_spawner(__rte_unused void *arg) {
2270 int lcore_id = rte_lcore_id();
2272 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2273 lthread_create(<, -1, lthread_spawner, NULL);
2280 * Start scheduler on lcore.
2283 sched_spawner(__rte_unused void *arg) {
2285 int lcore_id = rte_lcore_id();
2288 if (lcore_id == cpu_load_lcore_id) {
2289 cpu_load_collector(arg);
2292 #endif /* APP_CPU_LOAD */
2294 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2295 lthread_create(<, -1, lthread_null, NULL);
2301 /* main processing loop */
2302 static int __attribute__((noreturn))
2303 pthread_tx(void *dummy)
2305 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2306 uint64_t prev_tsc, diff_tsc, cur_tsc;
2309 struct thread_tx_conf *tx_conf;
2311 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
2312 US_PER_S * BURST_TX_DRAIN_US;
2316 tx_conf = (struct thread_tx_conf *)dummy;
2318 RTE_LOG(INFO, L3FWD, "Entering main Tx loop on lcore %u\n", rte_lcore_id());
2320 tx_conf->conf.cpu_id = sched_getcpu();
2321 rte_atomic16_inc(&tx_counter);
2324 cur_tsc = rte_rdtsc();
2327 * TX burst queue drain
2329 diff_tsc = cur_tsc - prev_tsc;
2330 if (unlikely(diff_tsc > drain_tsc)) {
2333 * This could be optimized (use queueid instead of
2334 * portid), but it is not called so often
2336 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2337 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
2338 if (tx_conf->tx_mbufs[portid].len == 0)
2340 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
2341 tx_conf->tx_mbufs[portid].len = 0;
2343 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2349 * Read packet from ring
2351 SET_CPU_BUSY(tx_conf, CPU_POLL);
2352 nb_rx = rte_ring_sc_dequeue_burst(tx_conf->ring,
2353 (void **)pkts_burst, MAX_PKT_BURST, NULL);
2354 SET_CPU_IDLE(tx_conf, CPU_POLL);
2356 if (unlikely(nb_rx == 0)) {
2361 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2362 portid = pkts_burst[0]->port;
2363 process_burst(pkts_burst, nb_rx, portid);
2364 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2370 pthread_rx(void *dummy)
2379 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2381 struct thread_rx_conf *rx_conf;
2383 lcore_id = rte_lcore_id();
2384 rx_conf = (struct thread_rx_conf *)dummy;
2386 if (rx_conf->n_rx_queue == 0) {
2387 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
2391 RTE_LOG(INFO, L3FWD, "entering main rx loop on lcore %u\n", lcore_id);
2393 for (i = 0; i < rx_conf->n_rx_queue; i++) {
2395 portid = rx_conf->rx_queue_list[i].port_id;
2396 queueid = rx_conf->rx_queue_list[i].queue_id;
2397 RTE_LOG(INFO, L3FWD,
2398 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
2399 lcore_id, portid, queueid);
2403 rx_conf->conf.cpu_id = sched_getcpu();
2404 rte_atomic16_inc(&rx_counter);
2408 * Read packet from RX queues
2410 for (i = 0; i < rx_conf->n_rx_queue; ++i) {
2411 portid = rx_conf->rx_queue_list[i].port_id;
2412 queueid = rx_conf->rx_queue_list[i].queue_id;
2414 SET_CPU_BUSY(rx_conf, CPU_POLL);
2415 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
2417 SET_CPU_IDLE(rx_conf, CPU_POLL);
2424 SET_CPU_BUSY(rx_conf, CPU_PROCESS);
2425 worker_id = (worker_id + 1) % rx_conf->n_ring;
2426 n = rte_ring_sp_enqueue_burst(rx_conf->ring[worker_id],
2427 (void **)pkts_burst, nb_rx, NULL);
2429 if (unlikely(n != nb_rx)) {
2432 for (k = n; k < nb_rx; k++) {
2433 struct rte_mbuf *m = pkts_burst[k];
2435 rte_pktmbuf_free(m);
2439 SET_CPU_IDLE(rx_conf, CPU_PROCESS);
2449 pthread_run(__rte_unused void *arg) {
2450 int lcore_id = rte_lcore_id();
2453 for (i = 0; i < n_rx_thread; i++)
2454 if (rx_thread[i].conf.lcore_id == lcore_id) {
2455 printf("Start rx thread on %d...\n", lcore_id);
2456 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2457 RTE_PER_LCORE(lcore_conf)->data = (void *)&rx_thread[i];
2458 pthread_rx((void *)&rx_thread[i]);
2462 for (i = 0; i < n_tx_thread; i++)
2463 if (tx_thread[i].conf.lcore_id == lcore_id) {
2464 printf("Start tx thread on %d...\n", lcore_id);
2465 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2466 RTE_PER_LCORE(lcore_conf)->data = (void *)&tx_thread[i];
2467 pthread_tx((void *)&tx_thread[i]);
2472 if (lcore_id == cpu_load_lcore_id)
2473 cpu_load_collector(arg);
2474 #endif /* APP_CPU_LOAD */
2480 check_lcore_params(void)
2482 uint8_t queue, lcore;
2486 for (i = 0; i < nb_rx_thread_params; ++i) {
2487 queue = rx_thread_params[i].queue_id;
2488 if (queue >= MAX_RX_QUEUE_PER_PORT) {
2489 printf("invalid queue number: %hhu\n", queue);
2492 lcore = rx_thread_params[i].lcore_id;
2493 if (!rte_lcore_is_enabled(lcore)) {
2494 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
2497 socketid = rte_lcore_to_socket_id(lcore);
2498 if ((socketid != 0) && (numa_on == 0))
2499 printf("warning: lcore %hhu is on socket %d with numa off\n",
2506 check_port_config(void)
2511 for (i = 0; i < nb_rx_thread_params; ++i) {
2512 portid = rx_thread_params[i].port_id;
2513 if ((enabled_port_mask & (1 << portid)) == 0) {
2514 printf("port %u is not enabled in port mask\n", portid);
2517 if (!rte_eth_dev_is_valid_port(portid)) {
2518 printf("port %u is not present on the board\n", portid);
2526 get_port_n_rx_queues(const uint16_t port)
2531 for (i = 0; i < nb_rx_thread_params; ++i)
2532 if (rx_thread_params[i].port_id == port &&
2533 rx_thread_params[i].queue_id > queue)
2534 queue = rx_thread_params[i].queue_id;
2536 return (uint8_t)(++queue);
2543 struct thread_rx_conf *rx_conf;
2544 struct thread_tx_conf *tx_conf;
2545 unsigned rx_thread_id, tx_thread_id;
2547 struct rte_ring *ring = NULL;
2549 for (tx_thread_id = 0; tx_thread_id < n_tx_thread; tx_thread_id++) {
2551 tx_conf = &tx_thread[tx_thread_id];
2553 printf("Connecting tx-thread %d with rx-thread %d\n", tx_thread_id,
2554 tx_conf->conf.thread_id);
2556 rx_thread_id = tx_conf->conf.thread_id;
2557 if (rx_thread_id > n_tx_thread) {
2558 printf("connection from tx-thread %u to rx-thread %u fails "
2559 "(rx-thread not defined)\n", tx_thread_id, rx_thread_id);
2563 rx_conf = &rx_thread[rx_thread_id];
2564 socket_io = rte_lcore_to_socket_id(rx_conf->conf.lcore_id);
2566 snprintf(name, sizeof(name), "app_ring_s%u_rx%u_tx%u",
2567 socket_io, rx_thread_id, tx_thread_id);
2569 ring = rte_ring_create(name, 1024 * 4, socket_io,
2570 RING_F_SP_ENQ | RING_F_SC_DEQ);
2573 rte_panic("Cannot create ring to connect rx-thread %u "
2574 "with tx-thread %u\n", rx_thread_id, tx_thread_id);
2577 rx_conf->ring[rx_conf->n_ring] = ring;
2579 tx_conf->ring = ring;
2580 tx_conf->ready = &rx_conf->ready[rx_conf->n_ring];
2588 init_rx_queues(void)
2590 uint16_t i, nb_rx_queue;
2595 for (i = 0; i < nb_rx_thread_params; ++i) {
2596 thread = rx_thread_params[i].thread_id;
2597 nb_rx_queue = rx_thread[thread].n_rx_queue;
2599 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
2600 printf("error: too many queues (%u) for thread: %u\n",
2601 (unsigned)nb_rx_queue + 1, (unsigned)thread);
2605 rx_thread[thread].conf.thread_id = thread;
2606 rx_thread[thread].conf.lcore_id = rx_thread_params[i].lcore_id;
2607 rx_thread[thread].rx_queue_list[nb_rx_queue].port_id =
2608 rx_thread_params[i].port_id;
2609 rx_thread[thread].rx_queue_list[nb_rx_queue].queue_id =
2610 rx_thread_params[i].queue_id;
2611 rx_thread[thread].n_rx_queue++;
2613 if (thread >= n_rx_thread)
2614 n_rx_thread = thread + 1;
2621 init_tx_threads(void)
2626 for (i = 0; i < nb_tx_thread_params; ++i) {
2627 tx_thread[n_tx_thread].conf.thread_id = tx_thread_params[i].thread_id;
2628 tx_thread[n_tx_thread].conf.lcore_id = tx_thread_params[i].lcore_id;
2636 print_usage(const char *prgname)
2638 printf("%s [EAL options] -- -p PORTMASK -P"
2639 " [--rx (port,queue,lcore,thread)[,(port,queue,lcore,thread]]"
2640 " [--tx (lcore,thread)[,(lcore,thread]]"
2641 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
2642 " [--parse-ptype]\n\n"
2643 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
2644 " -P : enable promiscuous mode\n"
2645 " --rx (port,queue,lcore,thread): rx queues configuration\n"
2646 " --tx (lcore,thread): tx threads configuration\n"
2647 " --stat-lcore LCORE: use lcore for stat collector\n"
2648 " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n"
2649 " --no-numa: optional, disable numa awareness\n"
2650 " --ipv6: optional, specify it if running ipv6 packets\n"
2651 " --enable-jumbo: enable jumbo frame"
2652 " which max packet len is PKTLEN in decimal (64-9600)\n"
2653 " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n"
2654 " --no-lthreads: turn off lthread model\n"
2655 " --parse-ptype: set to use software to analyze packet type\n\n",
2659 static int parse_max_pkt_len(const char *pktlen)
2664 /* parse decimal string */
2665 len = strtoul(pktlen, &end, 10);
2666 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
2676 parse_portmask(const char *portmask)
2681 /* parse hexadecimal string */
2682 pm = strtoul(portmask, &end, 16);
2683 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
2692 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2694 parse_hash_entry_number(const char *hash_entry_num)
2697 unsigned long hash_en;
2699 /* parse hexadecimal string */
2700 hash_en = strtoul(hash_entry_num, &end, 16);
2701 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
2712 parse_rx_config(const char *q_arg)
2715 const char *p, *p0 = q_arg;
2724 unsigned long int_fld[_NUM_FLD];
2725 char *str_fld[_NUM_FLD];
2729 nb_rx_thread_params = 0;
2731 while ((p = strchr(p0, '(')) != NULL) {
2733 p0 = strchr(p, ')');
2738 if (size >= sizeof(s))
2741 snprintf(s, sizeof(s), "%.*s", size, p);
2742 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
2744 for (i = 0; i < _NUM_FLD; i++) {
2746 int_fld[i] = strtoul(str_fld[i], &end, 0);
2747 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
2750 if (nb_rx_thread_params >= MAX_LCORE_PARAMS) {
2751 printf("exceeded max number of rx params: %hu\n",
2752 nb_rx_thread_params);
2755 rx_thread_params_array[nb_rx_thread_params].port_id =
2757 rx_thread_params_array[nb_rx_thread_params].queue_id =
2758 (uint8_t)int_fld[FLD_QUEUE];
2759 rx_thread_params_array[nb_rx_thread_params].lcore_id =
2760 (uint8_t)int_fld[FLD_LCORE];
2761 rx_thread_params_array[nb_rx_thread_params].thread_id =
2762 (uint8_t)int_fld[FLD_THREAD];
2763 ++nb_rx_thread_params;
2765 rx_thread_params = rx_thread_params_array;
2770 parse_tx_config(const char *q_arg)
2773 const char *p, *p0 = q_arg;
2780 unsigned long int_fld[_NUM_FLD];
2781 char *str_fld[_NUM_FLD];
2785 nb_tx_thread_params = 0;
2787 while ((p = strchr(p0, '(')) != NULL) {
2789 p0 = strchr(p, ')');
2794 if (size >= sizeof(s))
2797 snprintf(s, sizeof(s), "%.*s", size, p);
2798 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
2800 for (i = 0; i < _NUM_FLD; i++) {
2802 int_fld[i] = strtoul(str_fld[i], &end, 0);
2803 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
2806 if (nb_tx_thread_params >= MAX_LCORE_PARAMS) {
2807 printf("exceeded max number of tx params: %hu\n",
2808 nb_tx_thread_params);
2811 tx_thread_params_array[nb_tx_thread_params].lcore_id =
2812 (uint8_t)int_fld[FLD_LCORE];
2813 tx_thread_params_array[nb_tx_thread_params].thread_id =
2814 (uint8_t)int_fld[FLD_THREAD];
2815 ++nb_tx_thread_params;
2817 tx_thread_params = tx_thread_params_array;
2822 #if (APP_CPU_LOAD > 0)
2824 parse_stat_lcore(const char *stat_lcore)
2827 unsigned long lcore_id;
2829 lcore_id = strtoul(stat_lcore, &end, 10);
2830 if ((stat_lcore[0] == '\0') || (end == NULL) || (*end != '\0'))
2838 parse_eth_dest(const char *optarg)
2842 uint8_t c, *dest, peer_addr[6];
2845 portid = strtoul(optarg, &port_end, 10);
2846 if (errno != 0 || port_end == optarg || *port_end++ != ',')
2847 rte_exit(EXIT_FAILURE,
2848 "Invalid eth-dest: %s", optarg);
2849 if (portid >= RTE_MAX_ETHPORTS)
2850 rte_exit(EXIT_FAILURE,
2851 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
2852 portid, RTE_MAX_ETHPORTS);
2854 if (cmdline_parse_etheraddr(NULL, port_end,
2855 &peer_addr, sizeof(peer_addr)) < 0)
2856 rte_exit(EXIT_FAILURE,
2857 "Invalid ethernet address: %s\n",
2859 dest = (uint8_t *)&dest_eth_addr[portid];
2860 for (c = 0; c < 6; c++)
2861 dest[c] = peer_addr[c];
2862 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
2865 #define CMD_LINE_OPT_RX_CONFIG "rx"
2866 #define CMD_LINE_OPT_TX_CONFIG "tx"
2867 #define CMD_LINE_OPT_STAT_LCORE "stat-lcore"
2868 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
2869 #define CMD_LINE_OPT_NO_NUMA "no-numa"
2870 #define CMD_LINE_OPT_IPV6 "ipv6"
2871 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
2872 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
2873 #define CMD_LINE_OPT_NO_LTHREADS "no-lthreads"
2874 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
2876 /* Parse the argument given in the command line of the application */
2878 parse_args(int argc, char **argv)
2883 char *prgname = argv[0];
2884 static struct option lgopts[] = {
2885 {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0},
2886 {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0},
2887 {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0},
2888 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
2889 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
2890 {CMD_LINE_OPT_IPV6, 0, 0, 0},
2891 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
2892 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
2893 {CMD_LINE_OPT_NO_LTHREADS, 0, 0, 0},
2894 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
2900 while ((opt = getopt_long(argc, argvopt, "p:P",
2901 lgopts, &option_index)) != EOF) {
2906 enabled_port_mask = parse_portmask(optarg);
2907 if (enabled_port_mask == 0) {
2908 printf("invalid portmask\n");
2909 print_usage(prgname);
2914 printf("Promiscuous mode selected\n");
2920 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_RX_CONFIG,
2921 sizeof(CMD_LINE_OPT_RX_CONFIG))) {
2922 ret = parse_rx_config(optarg);
2924 printf("invalid rx-config\n");
2925 print_usage(prgname);
2930 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG,
2931 sizeof(CMD_LINE_OPT_TX_CONFIG))) {
2932 ret = parse_tx_config(optarg);
2934 printf("invalid tx-config\n");
2935 print_usage(prgname);
2940 #if (APP_CPU_LOAD > 0)
2941 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE,
2942 sizeof(CMD_LINE_OPT_STAT_LCORE))) {
2943 cpu_load_lcore_id = parse_stat_lcore(optarg);
2947 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST,
2948 sizeof(CMD_LINE_OPT_ETH_DEST)))
2949 parse_eth_dest(optarg);
2951 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA,
2952 sizeof(CMD_LINE_OPT_NO_NUMA))) {
2953 printf("numa is disabled\n");
2957 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2958 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6,
2959 sizeof(CMD_LINE_OPT_IPV6))) {
2960 printf("ipv6 is specified\n");
2965 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS,
2966 sizeof(CMD_LINE_OPT_NO_LTHREADS))) {
2967 printf("l-threads model is disabled\n");
2971 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_PARSE_PTYPE,
2972 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
2973 printf("software packet type parsing enabled\n");
2977 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO,
2978 sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) {
2979 struct option lenopts = {"max-pkt-len", required_argument, 0,
2982 printf("jumbo frame is enabled - disabling simple TX path\n");
2983 port_conf.rxmode.offloads |=
2984 DEV_RX_OFFLOAD_JUMBO_FRAME;
2985 port_conf.txmode.offloads |=
2986 DEV_TX_OFFLOAD_MULTI_SEGS;
2988 /* if no max-pkt-len set, use the default value
2991 if (0 == getopt_long(argc, argvopt, "", &lenopts,
2994 ret = parse_max_pkt_len(optarg);
2995 if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) {
2996 printf("invalid packet length\n");
2997 print_usage(prgname);
3000 port_conf.rxmode.max_rx_pkt_len = ret;
3002 printf("set jumbo frame max packet length to %u\n",
3003 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
3005 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
3006 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM,
3007 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
3008 ret = parse_hash_entry_number(optarg);
3009 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
3010 hash_entry_number = ret;
3012 printf("invalid hash entry number\n");
3013 print_usage(prgname);
3021 print_usage(prgname);
3027 argv[optind-1] = prgname;
3030 optind = 1; /* reset getopt lib */
3035 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
3037 char buf[RTE_ETHER_ADDR_FMT_SIZE];
3039 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
3040 printf("%s%s", name, buf);
3043 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
3045 static void convert_ipv4_5tuple(struct ipv4_5tuple *key1,
3046 union ipv4_5tuple_host *key2)
3048 key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
3049 key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
3050 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
3051 key2->port_src = rte_cpu_to_be_16(key1->port_src);
3052 key2->proto = key1->proto;
3057 static void convert_ipv6_5tuple(struct ipv6_5tuple *key1,
3058 union ipv6_5tuple_host *key2)
3062 for (i = 0; i < 16; i++) {
3063 key2->ip_dst[i] = key1->ip_dst[i];
3064 key2->ip_src[i] = key1->ip_src[i];
3066 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
3067 key2->port_src = rte_cpu_to_be_16(key1->port_src);
3068 key2->proto = key1->proto;
3074 #define BYTE_VALUE_MAX 256
3075 #define ALL_32_BITS 0xffffffff
3076 #define BIT_8_TO_15 0x0000ff00
3078 populate_ipv4_few_flow_into_table(const struct rte_hash *h)
3082 uint32_t array_len = RTE_DIM(ipv4_l3fwd_route_array);
3084 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
3085 for (i = 0; i < array_len; i++) {
3086 struct ipv4_l3fwd_route entry;
3087 union ipv4_5tuple_host newkey;
3089 entry = ipv4_l3fwd_route_array[i];
3090 convert_ipv4_5tuple(&entry.key, &newkey);
3091 ret = rte_hash_add_key(h, (void *)&newkey);
3093 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
3094 " to the l3fwd hash.\n", i);
3096 ipv4_l3fwd_out_if[ret] = entry.if_out;
3098 printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len);
3101 #define BIT_16_TO_23 0x00ff0000
3103 populate_ipv6_few_flow_into_table(const struct rte_hash *h)
3107 uint32_t array_len = RTE_DIM(ipv6_l3fwd_route_array);
3109 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
3110 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
3111 for (i = 0; i < array_len; i++) {
3112 struct ipv6_l3fwd_route entry;
3113 union ipv6_5tuple_host newkey;
3115 entry = ipv6_l3fwd_route_array[i];
3116 convert_ipv6_5tuple(&entry.key, &newkey);
3117 ret = rte_hash_add_key(h, (void *)&newkey);
3119 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
3120 " to the l3fwd hash.\n", i);
3122 ipv6_l3fwd_out_if[ret] = entry.if_out;
3124 printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len);
3127 #define NUMBER_PORT_USED 4
3129 populate_ipv4_many_flow_into_table(const struct rte_hash *h,
3130 unsigned int nr_flow)
3134 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
3136 for (i = 0; i < nr_flow; i++) {
3137 struct ipv4_l3fwd_route entry;
3138 union ipv4_5tuple_host newkey;
3139 uint8_t a = (uint8_t)((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
3140 uint8_t b = (uint8_t)(((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
3142 uint8_t c = (uint8_t)((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
3144 /* Create the ipv4 exact match flow */
3145 memset(&entry, 0, sizeof(entry));
3146 switch (i & (NUMBER_PORT_USED - 1)) {
3148 entry = ipv4_l3fwd_route_array[0];
3149 entry.key.ip_dst = RTE_IPV4(101, c, b, a);
3152 entry = ipv4_l3fwd_route_array[1];
3153 entry.key.ip_dst = RTE_IPV4(201, c, b, a);
3156 entry = ipv4_l3fwd_route_array[2];
3157 entry.key.ip_dst = RTE_IPV4(111, c, b, a);
3160 entry = ipv4_l3fwd_route_array[3];
3161 entry.key.ip_dst = RTE_IPV4(211, c, b, a);
3164 convert_ipv4_5tuple(&entry.key, &newkey);
3165 int32_t ret = rte_hash_add_key(h, (void *)&newkey);
3168 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
3170 ipv4_l3fwd_out_if[ret] = (uint8_t)entry.if_out;
3173 printf("Hash: Adding 0x%x keys\n", nr_flow);
3177 populate_ipv6_many_flow_into_table(const struct rte_hash *h,
3178 unsigned int nr_flow)
3182 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
3183 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
3184 for (i = 0; i < nr_flow; i++) {
3185 struct ipv6_l3fwd_route entry;
3186 union ipv6_5tuple_host newkey;
3188 uint8_t a = (uint8_t) ((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
3189 uint8_t b = (uint8_t) (((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
3191 uint8_t c = (uint8_t) ((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
3194 /* Create the ipv6 exact match flow */
3195 memset(&entry, 0, sizeof(entry));
3196 switch (i & (NUMBER_PORT_USED - 1)) {
3198 entry = ipv6_l3fwd_route_array[0];
3201 entry = ipv6_l3fwd_route_array[1];
3204 entry = ipv6_l3fwd_route_array[2];
3207 entry = ipv6_l3fwd_route_array[3];
3210 entry.key.ip_dst[13] = c;
3211 entry.key.ip_dst[14] = b;
3212 entry.key.ip_dst[15] = a;
3213 convert_ipv6_5tuple(&entry.key, &newkey);
3214 int32_t ret = rte_hash_add_key(h, (void *)&newkey);
3217 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
3219 ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
3222 printf("Hash: Adding 0x%x keys\n", nr_flow);
3226 setup_hash(int socketid)
3228 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
3230 .entries = L3FWD_HASH_ENTRIES,
3231 .key_len = sizeof(union ipv4_5tuple_host),
3232 .hash_func = ipv4_hash_crc,
3233 .hash_func_init_val = 0,
3236 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
3238 .entries = L3FWD_HASH_ENTRIES,
3239 .key_len = sizeof(union ipv6_5tuple_host),
3240 .hash_func = ipv6_hash_crc,
3241 .hash_func_init_val = 0,
3246 /* create ipv4 hash */
3247 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
3248 ipv4_l3fwd_hash_params.name = s;
3249 ipv4_l3fwd_hash_params.socket_id = socketid;
3250 ipv4_l3fwd_lookup_struct[socketid] =
3251 rte_hash_create(&ipv4_l3fwd_hash_params);
3252 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
3253 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
3254 "socket %d\n", socketid);
3256 /* create ipv6 hash */
3257 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
3258 ipv6_l3fwd_hash_params.name = s;
3259 ipv6_l3fwd_hash_params.socket_id = socketid;
3260 ipv6_l3fwd_lookup_struct[socketid] =
3261 rte_hash_create(&ipv6_l3fwd_hash_params);
3262 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
3263 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
3264 "socket %d\n", socketid);
3266 if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
3267 /* For testing hash matching with a large number of flows we
3268 * generate millions of IP 5-tuples with an incremented dst
3269 * address to initialize the hash table. */
3271 /* populate the ipv4 hash */
3272 populate_ipv4_many_flow_into_table(
3273 ipv4_l3fwd_lookup_struct[socketid], hash_entry_number);
3275 /* populate the ipv6 hash */
3276 populate_ipv6_many_flow_into_table(
3277 ipv6_l3fwd_lookup_struct[socketid], hash_entry_number);
3280 /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize
3283 /* populate the ipv4 hash */
3284 populate_ipv4_few_flow_into_table(
3285 ipv4_l3fwd_lookup_struct[socketid]);
3287 /* populate the ipv6 hash */
3288 populate_ipv6_few_flow_into_table(
3289 ipv6_l3fwd_lookup_struct[socketid]);
3295 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
3297 setup_lpm(int socketid)
3299 struct rte_lpm6_config config;
3300 struct rte_lpm_config lpm_ipv4_config;
3305 /* create the LPM table */
3306 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
3307 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
3308 lpm_ipv4_config.number_tbl8s = 256;
3309 lpm_ipv4_config.flags = 0;
3310 ipv4_l3fwd_lookup_struct[socketid] =
3311 rte_lpm_create(s, socketid, &lpm_ipv4_config);
3312 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
3313 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
3314 " on socket %d\n", socketid);
3316 /* populate the LPM table */
3317 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
3319 /* skip unused ports */
3320 if ((1 << ipv4_l3fwd_route_array[i].if_out &
3321 enabled_port_mask) == 0)
3324 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
3325 ipv4_l3fwd_route_array[i].ip,
3326 ipv4_l3fwd_route_array[i].depth,
3327 ipv4_l3fwd_route_array[i].if_out);
3330 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
3331 "l3fwd LPM table on socket %d\n",
3335 printf("LPM: Adding route 0x%08x / %d (%d)\n",
3336 (unsigned)ipv4_l3fwd_route_array[i].ip,
3337 ipv4_l3fwd_route_array[i].depth,
3338 ipv4_l3fwd_route_array[i].if_out);
3341 /* create the LPM6 table */
3342 snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
3344 config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
3345 config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
3347 ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
3349 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
3350 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
3351 " on socket %d\n", socketid);
3353 /* populate the LPM table */
3354 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
3356 /* skip unused ports */
3357 if ((1 << ipv6_l3fwd_route_array[i].if_out &
3358 enabled_port_mask) == 0)
3361 ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid],
3362 ipv6_l3fwd_route_array[i].ip,
3363 ipv6_l3fwd_route_array[i].depth,
3364 ipv6_l3fwd_route_array[i].if_out);
3367 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
3368 "l3fwd LPM table on socket %d\n",
3372 printf("LPM: Adding route %s / %d (%d)\n",
3374 ipv6_l3fwd_route_array[i].depth,
3375 ipv6_l3fwd_route_array[i].if_out);
3381 init_mem(unsigned nb_mbuf)
3383 struct lcore_conf *qconf;
3388 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
3389 if (rte_lcore_is_enabled(lcore_id) == 0)
3393 socketid = rte_lcore_to_socket_id(lcore_id);
3397 if (socketid >= NB_SOCKETS) {
3398 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
3399 socketid, lcore_id, NB_SOCKETS);
3401 if (pktmbuf_pool[socketid] == NULL) {
3402 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
3403 pktmbuf_pool[socketid] =
3404 rte_pktmbuf_pool_create(s, nb_mbuf,
3405 MEMPOOL_CACHE_SIZE, 0,
3406 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
3407 if (pktmbuf_pool[socketid] == NULL)
3408 rte_exit(EXIT_FAILURE,
3409 "Cannot init mbuf pool on socket %d\n", socketid);
3411 printf("Allocated mbuf pool on socket %d\n", socketid);
3413 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
3414 setup_lpm(socketid);
3416 setup_hash(socketid);
3419 qconf = &lcore_conf[lcore_id];
3420 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
3421 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
3426 /* Check the link status of all ports in up to 9s, and print them finally */
3428 check_all_ports_link_status(uint32_t port_mask)
3430 #define CHECK_INTERVAL 100 /* 100ms */
3431 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
3433 uint8_t count, all_ports_up, print_flag = 0;
3434 struct rte_eth_link link;
3437 printf("\nChecking link status");
3439 for (count = 0; count <= MAX_CHECK_TIME; count++) {
3441 RTE_ETH_FOREACH_DEV(portid) {
3442 if ((port_mask & (1 << portid)) == 0)
3444 memset(&link, 0, sizeof(link));
3445 ret = rte_eth_link_get_nowait(portid, &link);
3448 if (print_flag == 1)
3449 printf("Port %u link get failed: %s\n",
3450 portid, rte_strerror(-ret));
3453 /* print link status if flag set */
3454 if (print_flag == 1) {
3455 if (link.link_status)
3457 "Port%d Link Up. Speed %u Mbps - %s\n",
3458 portid, link.link_speed,
3459 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
3460 ("full-duplex") : ("half-duplex\n"));
3462 printf("Port %d Link Down\n", portid);
3465 /* clear all_ports_up flag if any link down */
3466 if (link.link_status == ETH_LINK_DOWN) {
3471 /* after finally printing all link status, get out */
3472 if (print_flag == 1)
3475 if (all_ports_up == 0) {
3478 rte_delay_ms(CHECK_INTERVAL);
3481 /* set the print_flag if all ports up or timeout */
3482 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
3490 main(int argc, char **argv)
3492 struct rte_eth_dev_info dev_info;
3493 struct rte_eth_txconf *txconf;
3497 uint16_t queueid, portid;
3499 uint32_t n_tx_queue, nb_lcores;
3500 uint8_t nb_rx_queue, queue, socketid;
3503 ret = rte_eal_init(argc, argv);
3505 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
3509 ret = rte_timer_subsystem_init();
3511 rte_exit(EXIT_FAILURE, "Failed to initialize timer subystem\n");
3513 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
3514 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
3515 dest_eth_addr[portid] = RTE_ETHER_LOCAL_ADMIN_ADDR +
3516 ((uint64_t)portid << 40);
3517 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
3520 /* parse application arguments (after the EAL ones) */
3521 ret = parse_args(argc, argv);
3523 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
3525 if (check_lcore_params() < 0)
3526 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
3528 printf("Initializing rx-queues...\n");
3529 ret = init_rx_queues();
3531 rte_exit(EXIT_FAILURE, "init_rx_queues failed\n");
3533 printf("Initializing tx-threads...\n");
3534 ret = init_tx_threads();
3536 rte_exit(EXIT_FAILURE, "init_tx_threads failed\n");
3538 printf("Initializing rings...\n");
3539 ret = init_rx_rings();
3541 rte_exit(EXIT_FAILURE, "init_rx_rings failed\n");
3543 nb_ports = rte_eth_dev_count_avail();
3545 if (check_port_config() < 0)
3546 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
3548 nb_lcores = rte_lcore_count();
3550 /* initialize all ports */
3551 RTE_ETH_FOREACH_DEV(portid) {
3552 struct rte_eth_conf local_port_conf = port_conf;
3554 /* skip ports that are not enabled */
3555 if ((enabled_port_mask & (1 << portid)) == 0) {
3556 printf("\nSkipping disabled port %d\n", portid);
3561 printf("Initializing port %d ... ", portid);
3564 nb_rx_queue = get_port_n_rx_queues(portid);
3565 n_tx_queue = nb_lcores;
3566 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
3567 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
3568 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
3569 nb_rx_queue, (unsigned)n_tx_queue);
3571 ret = rte_eth_dev_info_get(portid, &dev_info);
3573 rte_exit(EXIT_FAILURE,
3574 "Error during getting device (port %u) info: %s\n",
3575 portid, strerror(-ret));
3577 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
3578 local_port_conf.txmode.offloads |=
3579 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
3581 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
3582 dev_info.flow_type_rss_offloads;
3583 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
3584 port_conf.rx_adv_conf.rss_conf.rss_hf) {
3585 printf("Port %u modified RSS hash function based on hardware support,"
3586 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
3588 port_conf.rx_adv_conf.rss_conf.rss_hf,
3589 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
3592 ret = rte_eth_dev_configure(portid, nb_rx_queue,
3593 (uint16_t)n_tx_queue, &local_port_conf);
3595 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
3598 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
3601 rte_exit(EXIT_FAILURE,
3602 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%d\n",
3605 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
3607 rte_exit(EXIT_FAILURE,
3608 "rte_eth_macaddr_get: err=%d, port=%d\n",
3611 print_ethaddr(" Address:", &ports_eth_addr[portid]);
3613 print_ethaddr("Destination:",
3614 (const struct rte_ether_addr *)&dest_eth_addr[portid]);
3618 * prepare src MACs for each port.
3620 rte_ether_addr_copy(&ports_eth_addr[portid],
3621 (struct rte_ether_addr *)(val_eth + portid) + 1);
3624 ret = init_mem(NB_MBUF);
3626 rte_exit(EXIT_FAILURE, "init_mem failed\n");
3628 /* init one TX queue per couple (lcore,port) */
3630 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
3631 if (rte_lcore_is_enabled(lcore_id) == 0)
3635 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
3639 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
3642 txconf = &dev_info.default_txconf;
3643 txconf->offloads = local_port_conf.txmode.offloads;
3644 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
3647 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
3648 "port=%d\n", ret, portid);
3650 tx_thread[lcore_id].tx_queue_id[portid] = queueid;
3656 for (i = 0; i < n_rx_thread; i++) {
3657 lcore_id = rx_thread[i].conf.lcore_id;
3659 if (rte_lcore_is_enabled(lcore_id) == 0) {
3660 rte_exit(EXIT_FAILURE,
3661 "Cannot start Rx thread on lcore %u: lcore disabled\n",
3666 printf("\nInitializing rx queues for Rx thread %d on lcore %u ... ",
3670 /* init RX queues */
3671 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) {
3672 struct rte_eth_rxconf rxq_conf;
3674 portid = rx_thread[i].rx_queue_list[queue].port_id;
3675 queueid = rx_thread[i].rx_queue_list[queue].queue_id;
3678 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
3682 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
3685 ret = rte_eth_dev_info_get(portid, &dev_info);
3687 rte_exit(EXIT_FAILURE,
3688 "Error during getting device (port %u) info: %s\n",
3689 portid, strerror(-ret));
3691 rxq_conf = dev_info.default_rxconf;
3692 rxq_conf.offloads = port_conf.rxmode.offloads;
3693 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
3696 pktmbuf_pool[socketid]);
3698 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, "
3699 "port=%d\n", ret, portid);
3706 RTE_ETH_FOREACH_DEV(portid) {
3707 if ((enabled_port_mask & (1 << portid)) == 0)
3711 ret = rte_eth_dev_start(portid);
3713 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
3717 * If enabled, put device in promiscuous mode.
3718 * This allows IO forwarding mode to forward packets
3719 * to itself through 2 cross-connected ports of the
3722 if (promiscuous_on) {
3723 ret = rte_eth_promiscuous_enable(portid);
3725 rte_exit(EXIT_FAILURE,
3726 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
3727 rte_strerror(-ret), portid);
3731 for (i = 0; i < n_rx_thread; i++) {
3732 lcore_id = rx_thread[i].conf.lcore_id;
3733 if (rte_lcore_is_enabled(lcore_id) == 0)
3736 /* check if hw packet type is supported */
3737 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) {
3738 portid = rx_thread[i].rx_queue_list[queue].port_id;
3739 queueid = rx_thread[i].rx_queue_list[queue].queue_id;
3741 if (parse_ptype_on) {
3742 if (!rte_eth_add_rx_callback(portid, queueid,
3743 cb_parse_ptype, NULL))
3744 rte_exit(EXIT_FAILURE,
3745 "Failed to add rx callback: "
3746 "port=%d\n", portid);
3747 } else if (!check_ptype(portid))
3748 rte_exit(EXIT_FAILURE,
3749 "Port %d cannot parse packet type.\n\n"
3750 "Please add --parse-ptype to use sw "
3751 "packet type analyzer.\n\n",
3756 check_all_ports_link_status(enabled_port_mask);
3759 printf("Starting L-Threading Model\n");
3761 #if (APP_CPU_LOAD > 0)
3762 if (cpu_load_lcore_id > 0)
3763 /* Use one lcore for cpu load collector */
3767 lthread_num_schedulers_set(nb_lcores);
3768 rte_eal_mp_remote_launch(sched_spawner, NULL, SKIP_MASTER);
3769 lthread_master_spawner(NULL);
3772 printf("Starting P-Threading Model\n");
3773 /* launch per-lcore init on every lcore */
3774 rte_eal_mp_remote_launch(pthread_run, NULL, CALL_MASTER);
3775 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
3776 if (rte_eal_wait_lcore(lcore_id) < 0)