4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
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40 #include <sys/types.h>
42 #include <sys/queue.h>
47 #include <rte_common.h>
49 #include <rte_byteorder.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
54 #include <rte_launch.h>
55 #include <rte_atomic.h>
56 #include <rte_cycles.h>
57 #include <rte_prefetch.h>
58 #include <rte_lcore.h>
59 #include <rte_per_lcore.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_interrupts.h>
62 #include <rte_random.h>
63 #include <rte_debug.h>
64 #include <rte_ether.h>
65 #include <rte_ethdev.h>
67 #include <rte_mempool.h>
72 #include <rte_string_fns.h>
73 #include <rte_pause.h>
75 #include <cmdline_parse.h>
76 #include <cmdline_parse_etheraddr.h>
78 #include <lthread_api.h>
80 #define APP_LOOKUP_EXACT_MATCH 0
81 #define APP_LOOKUP_LPM 1
82 #define DO_RFC_1812_CHECKS
84 /* Enable cpu-load stats 0-off, 1-on */
85 #define APP_CPU_LOAD 1
87 #ifndef APP_LOOKUP_METHOD
88 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
91 #ifndef __GLIBC__ /* sched_getcpu() is glibc specific */
92 #define sched_getcpu() rte_lcore_id()
96 check_ptype(int portid)
99 int ipv4 = 0, ipv6 = 0;
101 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK, NULL,
106 uint32_t ptypes[ret];
108 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK,
110 for (i = 0; i < ret; ++i) {
111 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
113 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
124 parse_ptype(struct rte_mbuf *m)
126 struct ether_hdr *eth_hdr;
127 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
130 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
131 ether_type = eth_hdr->ether_type;
132 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
133 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
134 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
135 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
137 m->packet_type = packet_type;
141 cb_parse_ptype(__rte_unused uint16_t port, __rte_unused uint16_t queue,
142 struct rte_mbuf *pkts[], uint16_t nb_pkts,
143 __rte_unused uint16_t max_pkts, __rte_unused void *user_param)
147 for (i = 0; i < nb_pkts; i++)
148 parse_ptype(pkts[i]);
154 * When set to zero, simple forwaring path is eanbled.
155 * When set to one, optimized forwarding path is enabled.
156 * Note that LPM optimisation path uses SSE4.1 instructions.
158 #define ENABLE_MULTI_BUFFER_OPTIMIZE 1
160 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
161 #include <rte_hash.h>
162 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
164 #include <rte_lpm6.h>
166 #error "APP_LOOKUP_METHOD set to incorrect value"
169 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
171 #define MAX_JUMBO_PKT_LEN 9600
173 #define IPV6_ADDR_LEN 16
175 #define MEMPOOL_CACHE_SIZE 256
178 * This expression is used to calculate the number of mbufs needed depending on
179 * user input, taking into account memory for rx and tx hardware rings, cache
180 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
181 * NB_MBUF never goes below a minimum value of 8192
184 #define NB_MBUF RTE_MAX(\
185 (nb_ports*nb_rx_queue*nb_rxd + \
186 nb_ports*nb_lcores*MAX_PKT_BURST + \
187 nb_ports*n_tx_queue*nb_txd + \
188 nb_lcores*MEMPOOL_CACHE_SIZE), \
191 #define MAX_PKT_BURST 32
192 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
195 * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
197 #define MAX_TX_BURST (MAX_PKT_BURST / 2)
198 #define BURST_SIZE MAX_TX_BURST
202 /* Configure how many packets ahead to prefetch, when reading packets */
203 #define PREFETCH_OFFSET 3
205 /* Used to mark destination port as 'invalid'. */
206 #define BAD_PORT ((uint16_t)-1)
211 * Configurable number of RX/TX ring descriptors
213 #define RTE_TEST_RX_DESC_DEFAULT 128
214 #define RTE_TEST_TX_DESC_DEFAULT 128
215 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
216 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
218 /* ethernet addresses of ports */
219 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
220 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
222 static xmm_t val_eth[RTE_MAX_ETHPORTS];
224 /* replace first 12B of the ethernet header. */
225 #define MASK_ETH 0x3f
227 /* mask of enabled ports */
228 static uint32_t enabled_port_mask;
229 static int promiscuous_on; /**< Set in promiscuous mode off by default. */
230 static int numa_on = 1; /**< NUMA is enabled by default. */
231 static int parse_ptype_on;
233 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
234 static int ipv6; /**< ipv6 is false by default. */
237 #if (APP_CPU_LOAD == 1)
239 #define MAX_CPU RTE_MAX_LCORE
240 #define CPU_LOAD_TIMEOUT_US (5 * 1000 * 1000) /**< Timeout for collecting 5s */
242 #define CPU_PROCESS 0
244 #define MAX_CPU_COUNTER 2
249 uint64_t hits[MAX_CPU_COUNTER][MAX_CPU];
250 } __rte_cache_aligned;
252 static struct cpu_load cpu_load;
253 static int cpu_load_lcore_id = -1;
255 #define SET_CPU_BUSY(thread, counter) \
256 thread->conf.busy[counter] = 1
258 #define SET_CPU_IDLE(thread, counter) \
259 thread->conf.busy[counter] = 0
261 #define IS_CPU_BUSY(thread, counter) \
262 (thread->conf.busy[counter] > 0)
266 #define SET_CPU_BUSY(thread, counter)
267 #define SET_CPU_IDLE(thread, counter)
268 #define IS_CPU_BUSY(thread, counter) 0
274 struct rte_mbuf *m_table[MAX_PKT_BURST];
277 struct lcore_rx_queue {
280 } __rte_cache_aligned;
282 #define MAX_RX_QUEUE_PER_LCORE 16
283 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
284 #define MAX_RX_QUEUE_PER_PORT 128
286 #define MAX_LCORE_PARAMS 1024
287 struct rx_thread_params {
292 } __rte_cache_aligned;
294 static struct rx_thread_params rx_thread_params_array[MAX_LCORE_PARAMS];
295 static struct rx_thread_params rx_thread_params_array_default[] = {
307 static struct rx_thread_params *rx_thread_params =
308 rx_thread_params_array_default;
309 static uint16_t nb_rx_thread_params = RTE_DIM(rx_thread_params_array_default);
311 struct tx_thread_params {
314 } __rte_cache_aligned;
316 static struct tx_thread_params tx_thread_params_array[MAX_LCORE_PARAMS];
317 static struct tx_thread_params tx_thread_params_array_default[] = {
329 static struct tx_thread_params *tx_thread_params =
330 tx_thread_params_array_default;
331 static uint16_t nb_tx_thread_params = RTE_DIM(tx_thread_params_array_default);
333 static struct rte_eth_conf port_conf = {
335 .mq_mode = ETH_MQ_RX_RSS,
336 .max_rx_pkt_len = ETHER_MAX_LEN,
338 .header_split = 0, /**< Header Split disabled */
339 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
340 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
341 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
342 .hw_strip_crc = 1, /**< CRC stripped by hardware */
347 .rss_hf = ETH_RSS_TCP,
351 .mq_mode = ETH_MQ_TX_NONE,
355 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
357 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
359 #include <rte_hash_crc.h>
360 #define DEFAULT_HASH_FUNC rte_hash_crc
368 } __attribute__((__packed__));
370 union ipv4_5tuple_host {
383 #define XMM_NUM_IN_IPV6_5TUPLE 3
386 uint8_t ip_dst[IPV6_ADDR_LEN];
387 uint8_t ip_src[IPV6_ADDR_LEN];
391 } __attribute__((__packed__));
393 union ipv6_5tuple_host {
398 uint8_t ip_src[IPV6_ADDR_LEN];
399 uint8_t ip_dst[IPV6_ADDR_LEN];
404 __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE];
407 struct ipv4_l3fwd_route {
408 struct ipv4_5tuple key;
412 struct ipv6_l3fwd_route {
413 struct ipv6_5tuple key;
417 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
418 {{IPv4(101, 0, 0, 0), IPv4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0},
419 {{IPv4(201, 0, 0, 0), IPv4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1},
420 {{IPv4(111, 0, 0, 0), IPv4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2},
421 {{IPv4(211, 0, 0, 0), IPv4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3},
424 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
426 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
427 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
429 101, 11, IPPROTO_TCP}, 0},
432 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
433 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
435 102, 12, IPPROTO_TCP}, 1},
438 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
439 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
441 101, 11, IPPROTO_TCP}, 2},
444 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
445 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
447 102, 12, IPPROTO_TCP}, 3},
450 typedef struct rte_hash lookup_struct_t;
451 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
452 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
454 #ifdef RTE_ARCH_X86_64
455 /* default to 4 million hash entries (approx) */
456 #define L3FWD_HASH_ENTRIES (1024*1024*4)
458 /* 32-bit has less address-space for hugepage memory, limit to 1M entries */
459 #define L3FWD_HASH_ENTRIES (1024*1024*1)
461 #define HASH_ENTRY_NUMBER_DEFAULT 4
463 static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
465 static inline uint32_t
466 ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
469 const union ipv4_5tuple_host *k;
475 p = (const uint32_t *)&k->port_src;
477 init_val = rte_hash_crc_4byte(t, init_val);
478 init_val = rte_hash_crc_4byte(k->ip_src, init_val);
479 init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
480 init_val = rte_hash_crc_4byte(*p, init_val);
484 static inline uint32_t
485 ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
488 const union ipv6_5tuple_host *k;
491 const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
492 const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
496 p = (const uint32_t *)&k->port_src;
498 ip_src0 = (const uint32_t *) k->ip_src;
499 ip_src1 = (const uint32_t *)(k->ip_src + 4);
500 ip_src2 = (const uint32_t *)(k->ip_src + 8);
501 ip_src3 = (const uint32_t *)(k->ip_src + 12);
502 ip_dst0 = (const uint32_t *) k->ip_dst;
503 ip_dst1 = (const uint32_t *)(k->ip_dst + 4);
504 ip_dst2 = (const uint32_t *)(k->ip_dst + 8);
505 ip_dst3 = (const uint32_t *)(k->ip_dst + 12);
506 init_val = rte_hash_crc_4byte(t, init_val);
507 init_val = rte_hash_crc_4byte(*ip_src0, init_val);
508 init_val = rte_hash_crc_4byte(*ip_src1, init_val);
509 init_val = rte_hash_crc_4byte(*ip_src2, init_val);
510 init_val = rte_hash_crc_4byte(*ip_src3, init_val);
511 init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
512 init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
513 init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
514 init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
515 init_val = rte_hash_crc_4byte(*p, init_val);
519 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
520 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
522 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
523 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
527 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
528 struct ipv4_l3fwd_route {
534 struct ipv6_l3fwd_route {
540 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
541 {IPv4(1, 1, 1, 0), 24, 0},
542 {IPv4(2, 1, 1, 0), 24, 1},
543 {IPv4(3, 1, 1, 0), 24, 2},
544 {IPv4(4, 1, 1, 0), 24, 3},
545 {IPv4(5, 1, 1, 0), 24, 4},
546 {IPv4(6, 1, 1, 0), 24, 5},
547 {IPv4(7, 1, 1, 0), 24, 6},
548 {IPv4(8, 1, 1, 0), 24, 7},
551 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
552 {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
553 {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
554 {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
555 {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
556 {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
557 {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
558 {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
559 {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
562 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
563 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
565 #define IPV4_L3FWD_LPM_MAX_RULES 1024
566 #define IPV6_L3FWD_LPM_MAX_RULES 1024
567 #define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
569 typedef struct rte_lpm lookup_struct_t;
570 typedef struct rte_lpm6 lookup6_struct_t;
571 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
572 static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
576 lookup_struct_t *ipv4_lookup_struct;
577 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
578 lookup6_struct_t *ipv6_lookup_struct;
580 lookup_struct_t *ipv6_lookup_struct;
583 } __rte_cache_aligned;
585 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
586 RTE_DEFINE_PER_LCORE(struct lcore_conf *, lcore_conf);
588 #define MAX_RX_QUEUE_PER_THREAD 16
589 #define MAX_TX_PORT_PER_THREAD RTE_MAX_ETHPORTS
590 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
591 #define MAX_RX_QUEUE_PER_PORT 128
593 #define MAX_RX_THREAD 1024
594 #define MAX_TX_THREAD 1024
595 #define MAX_THREAD (MAX_RX_THREAD + MAX_TX_THREAD)
598 * Producers and consumers threads configuration
600 static int lthreads_on = 1; /**< Use lthreads for processing*/
602 rte_atomic16_t rx_counter; /**< Number of spawned rx threads */
603 rte_atomic16_t tx_counter; /**< Number of spawned tx threads */
606 uint16_t lcore_id; /**< Initial lcore for rx thread */
607 uint16_t cpu_id; /**< Cpu id for cpu load stats counter */
608 uint16_t thread_id; /**< Thread ID */
610 #if (APP_CPU_LOAD > 0)
611 int busy[MAX_CPU_COUNTER];
615 struct thread_rx_conf {
616 struct thread_conf conf;
619 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
621 uint16_t n_ring; /**< Number of output rings */
622 struct rte_ring *ring[RTE_MAX_LCORE];
623 struct lthread_cond *ready[RTE_MAX_LCORE];
625 #if (APP_CPU_LOAD > 0)
626 int busy[MAX_CPU_COUNTER];
628 } __rte_cache_aligned;
630 uint16_t n_rx_thread;
631 struct thread_rx_conf rx_thread[MAX_RX_THREAD];
633 struct thread_tx_conf {
634 struct thread_conf conf;
636 uint16_t tx_queue_id[RTE_MAX_LCORE];
637 struct mbuf_table tx_mbufs[RTE_MAX_LCORE];
639 struct rte_ring *ring;
640 struct lthread_cond **ready;
642 } __rte_cache_aligned;
644 uint16_t n_tx_thread;
645 struct thread_tx_conf tx_thread[MAX_TX_THREAD];
647 /* Send burst of packets on an output interface */
649 send_burst(struct thread_tx_conf *qconf, uint16_t n, uint16_t port)
651 struct rte_mbuf **m_table;
655 queueid = qconf->tx_queue_id[port];
656 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
658 ret = rte_eth_tx_burst(port, queueid, m_table, n);
659 if (unlikely(ret < n)) {
661 rte_pktmbuf_free(m_table[ret]);
668 /* Enqueue a single packet, and send burst if queue is filled */
670 send_single_packet(struct rte_mbuf *m, uint16_t port)
673 struct thread_tx_conf *qconf;
676 qconf = (struct thread_tx_conf *)lthread_get_data();
678 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
680 len = qconf->tx_mbufs[port].len;
681 qconf->tx_mbufs[port].m_table[len] = m;
684 /* enough pkts to be sent */
685 if (unlikely(len == MAX_PKT_BURST)) {
686 send_burst(qconf, MAX_PKT_BURST, port);
690 qconf->tx_mbufs[port].len = len;
694 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
695 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
696 static __rte_always_inline void
697 send_packetsx4(uint16_t port,
698 struct rte_mbuf *m[], uint32_t num)
701 struct thread_tx_conf *qconf;
704 qconf = (struct thread_tx_conf *)lthread_get_data();
706 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
708 len = qconf->tx_mbufs[port].len;
711 * If TX buffer for that queue is empty, and we have enough packets,
712 * then send them straightway.
714 if (num >= MAX_TX_BURST && len == 0) {
715 n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
716 if (unlikely(n < num)) {
718 rte_pktmbuf_free(m[n]);
725 * Put packets into TX buffer for that queue.
729 n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
732 switch (n % FWDSTEP) {
735 qconf->tx_mbufs[port].m_table[len + j] = m[j];
739 qconf->tx_mbufs[port].m_table[len + j] = m[j];
743 qconf->tx_mbufs[port].m_table[len + j] = m[j];
747 qconf->tx_mbufs[port].m_table[len + j] = m[j];
754 /* enough pkts to be sent */
755 if (unlikely(len == MAX_PKT_BURST)) {
757 send_burst(qconf, MAX_PKT_BURST, port);
759 /* copy rest of the packets into the TX buffer. */
762 switch (len % FWDSTEP) {
765 qconf->tx_mbufs[port].m_table[j] = m[n + j];
769 qconf->tx_mbufs[port].m_table[j] = m[n + j];
773 qconf->tx_mbufs[port].m_table[j] = m[n + j];
777 qconf->tx_mbufs[port].m_table[j] = m[n + j];
783 qconf->tx_mbufs[port].len = len;
785 #endif /* APP_LOOKUP_LPM */
787 #ifdef DO_RFC_1812_CHECKS
789 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
791 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
793 * 1. The packet length reported by the Link Layer must be large
794 * enough to hold the minimum length legal IP datagram (20 bytes).
796 if (link_len < sizeof(struct ipv4_hdr))
799 /* 2. The IP checksum must be correct. */
800 /* this is checked in H/W */
803 * 3. The IP version number must be 4. If the version number is not 4
804 * then the packet may be another version of IP, such as IPng or
807 if (((pkt->version_ihl) >> 4) != 4)
810 * 4. The IP header length field must be large enough to hold the
811 * minimum length legal IP datagram (20 bytes = 5 words).
813 if ((pkt->version_ihl & 0xf) < 5)
817 * 5. The IP total length field must be large enough to hold the IP
818 * datagram header, whose length is specified in the IP header length
821 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
828 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
830 static __m128i mask0;
831 static __m128i mask1;
832 static __m128i mask2;
833 static inline uint16_t
834 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid,
835 lookup_struct_t *ipv4_l3fwd_lookup_struct)
838 union ipv4_5tuple_host key;
840 ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
841 __m128i data = _mm_loadu_si128((__m128i *)(ipv4_hdr));
842 /* Get 5 tuple: dst port, src port, dst IP address, src IP address and
844 key.xmm = _mm_and_si128(data, mask0);
845 /* Find destination port */
846 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
847 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
850 static inline uint16_t
851 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid,
852 lookup_struct_t *ipv6_l3fwd_lookup_struct)
855 union ipv6_5tuple_host key;
857 ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
858 __m128i data0 = _mm_loadu_si128((__m128i *)(ipv6_hdr));
859 __m128i data1 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
861 __m128i data2 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
862 sizeof(__m128i) + sizeof(__m128i)));
863 /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
864 key.xmm[0] = _mm_and_si128(data0, mask1);
865 /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address
868 /* Get part of 5 tuple: dst port and src port and dst IP address higher
870 key.xmm[2] = _mm_and_si128(data2, mask2);
872 /* Find destination port */
873 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
874 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
878 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
880 static inline uint16_t
881 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid,
882 lookup_struct_t *ipv4_l3fwd_lookup_struct)
886 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
887 rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
888 &next_hop) == 0) ? next_hop : portid);
891 static inline uint16_t
892 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid,
893 lookup6_struct_t *ipv6_l3fwd_lookup_struct)
897 return ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
898 ((struct ipv6_hdr *)ipv6_hdr)->dst_addr, &next_hop) == 0) ?
903 static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid)
904 __attribute__((unused));
906 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
907 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
909 #define MASK_ALL_PKTS 0xff
910 #define EXCLUDE_1ST_PKT 0xfe
911 #define EXCLUDE_2ND_PKT 0xfd
912 #define EXCLUDE_3RD_PKT 0xfb
913 #define EXCLUDE_4TH_PKT 0xf7
914 #define EXCLUDE_5TH_PKT 0xef
915 #define EXCLUDE_6TH_PKT 0xdf
916 #define EXCLUDE_7TH_PKT 0xbf
917 #define EXCLUDE_8TH_PKT 0x7f
920 simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid)
922 struct ether_hdr *eth_hdr[8];
923 struct ipv4_hdr *ipv4_hdr[8];
924 uint16_t dst_port[8];
926 union ipv4_5tuple_host key[8];
929 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
930 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
931 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
932 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
933 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
934 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
935 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
936 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
938 /* Handle IPv4 headers.*/
939 ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv4_hdr *,
940 sizeof(struct ether_hdr));
941 ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv4_hdr *,
942 sizeof(struct ether_hdr));
943 ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv4_hdr *,
944 sizeof(struct ether_hdr));
945 ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv4_hdr *,
946 sizeof(struct ether_hdr));
947 ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv4_hdr *,
948 sizeof(struct ether_hdr));
949 ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv4_hdr *,
950 sizeof(struct ether_hdr));
951 ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv4_hdr *,
952 sizeof(struct ether_hdr));
953 ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv4_hdr *,
954 sizeof(struct ether_hdr));
956 #ifdef DO_RFC_1812_CHECKS
957 /* Check to make sure the packet is valid (RFC1812) */
958 uint8_t valid_mask = MASK_ALL_PKTS;
960 if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
961 rte_pktmbuf_free(m[0]);
962 valid_mask &= EXCLUDE_1ST_PKT;
964 if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
965 rte_pktmbuf_free(m[1]);
966 valid_mask &= EXCLUDE_2ND_PKT;
968 if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
969 rte_pktmbuf_free(m[2]);
970 valid_mask &= EXCLUDE_3RD_PKT;
972 if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
973 rte_pktmbuf_free(m[3]);
974 valid_mask &= EXCLUDE_4TH_PKT;
976 if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) {
977 rte_pktmbuf_free(m[4]);
978 valid_mask &= EXCLUDE_5TH_PKT;
980 if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) {
981 rte_pktmbuf_free(m[5]);
982 valid_mask &= EXCLUDE_6TH_PKT;
984 if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) {
985 rte_pktmbuf_free(m[6]);
986 valid_mask &= EXCLUDE_7TH_PKT;
988 if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) {
989 rte_pktmbuf_free(m[7]);
990 valid_mask &= EXCLUDE_8TH_PKT;
992 if (unlikely(valid_mask != MASK_ALL_PKTS)) {
998 for (i = 0; i < 8; i++)
999 if ((0x1 << i) & valid_mask)
1000 l3fwd_simple_forward(m[i], portid);
1002 #endif /* End of #ifdef DO_RFC_1812_CHECKS */
1004 data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
1005 sizeof(struct ether_hdr) +
1006 offsetof(struct ipv4_hdr, time_to_live)));
1007 data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
1008 sizeof(struct ether_hdr) +
1009 offsetof(struct ipv4_hdr, time_to_live)));
1010 data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
1011 sizeof(struct ether_hdr) +
1012 offsetof(struct ipv4_hdr, time_to_live)));
1013 data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
1014 sizeof(struct ether_hdr) +
1015 offsetof(struct ipv4_hdr, time_to_live)));
1016 data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
1017 sizeof(struct ether_hdr) +
1018 offsetof(struct ipv4_hdr, time_to_live)));
1019 data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
1020 sizeof(struct ether_hdr) +
1021 offsetof(struct ipv4_hdr, time_to_live)));
1022 data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
1023 sizeof(struct ether_hdr) +
1024 offsetof(struct ipv4_hdr, time_to_live)));
1025 data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
1026 sizeof(struct ether_hdr) +
1027 offsetof(struct ipv4_hdr, time_to_live)));
1029 key[0].xmm = _mm_and_si128(data[0], mask0);
1030 key[1].xmm = _mm_and_si128(data[1], mask0);
1031 key[2].xmm = _mm_and_si128(data[2], mask0);
1032 key[3].xmm = _mm_and_si128(data[3], mask0);
1033 key[4].xmm = _mm_and_si128(data[4], mask0);
1034 key[5].xmm = _mm_and_si128(data[5], mask0);
1035 key[6].xmm = _mm_and_si128(data[6], mask0);
1036 key[7].xmm = _mm_and_si128(data[7], mask0);
1038 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
1039 &key[4], &key[5], &key[6], &key[7]};
1041 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct,
1042 &key_array[0], 8, ret);
1043 dst_port[0] = ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
1044 dst_port[1] = ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
1045 dst_port[2] = ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
1046 dst_port[3] = ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
1047 dst_port[4] = ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
1048 dst_port[5] = ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
1049 dst_port[6] = ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
1050 dst_port[7] = ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]);
1052 if (dst_port[0] >= RTE_MAX_ETHPORTS ||
1053 (enabled_port_mask & 1 << dst_port[0]) == 0)
1054 dst_port[0] = portid;
1055 if (dst_port[1] >= RTE_MAX_ETHPORTS ||
1056 (enabled_port_mask & 1 << dst_port[1]) == 0)
1057 dst_port[1] = portid;
1058 if (dst_port[2] >= RTE_MAX_ETHPORTS ||
1059 (enabled_port_mask & 1 << dst_port[2]) == 0)
1060 dst_port[2] = portid;
1061 if (dst_port[3] >= RTE_MAX_ETHPORTS ||
1062 (enabled_port_mask & 1 << dst_port[3]) == 0)
1063 dst_port[3] = portid;
1064 if (dst_port[4] >= RTE_MAX_ETHPORTS ||
1065 (enabled_port_mask & 1 << dst_port[4]) == 0)
1066 dst_port[4] = portid;
1067 if (dst_port[5] >= RTE_MAX_ETHPORTS ||
1068 (enabled_port_mask & 1 << dst_port[5]) == 0)
1069 dst_port[5] = portid;
1070 if (dst_port[6] >= RTE_MAX_ETHPORTS ||
1071 (enabled_port_mask & 1 << dst_port[6]) == 0)
1072 dst_port[6] = portid;
1073 if (dst_port[7] >= RTE_MAX_ETHPORTS ||
1074 (enabled_port_mask & 1 << dst_port[7]) == 0)
1075 dst_port[7] = portid;
1077 #ifdef DO_RFC_1812_CHECKS
1078 /* Update time to live and header checksum */
1079 --(ipv4_hdr[0]->time_to_live);
1080 --(ipv4_hdr[1]->time_to_live);
1081 --(ipv4_hdr[2]->time_to_live);
1082 --(ipv4_hdr[3]->time_to_live);
1083 ++(ipv4_hdr[0]->hdr_checksum);
1084 ++(ipv4_hdr[1]->hdr_checksum);
1085 ++(ipv4_hdr[2]->hdr_checksum);
1086 ++(ipv4_hdr[3]->hdr_checksum);
1087 --(ipv4_hdr[4]->time_to_live);
1088 --(ipv4_hdr[5]->time_to_live);
1089 --(ipv4_hdr[6]->time_to_live);
1090 --(ipv4_hdr[7]->time_to_live);
1091 ++(ipv4_hdr[4]->hdr_checksum);
1092 ++(ipv4_hdr[5]->hdr_checksum);
1093 ++(ipv4_hdr[6]->hdr_checksum);
1094 ++(ipv4_hdr[7]->hdr_checksum);
1098 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
1099 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
1100 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
1101 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
1102 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
1103 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
1104 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
1105 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
1108 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
1109 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
1110 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
1111 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
1112 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
1113 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
1114 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
1115 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
1117 send_single_packet(m[0], (uint8_t)dst_port[0]);
1118 send_single_packet(m[1], (uint8_t)dst_port[1]);
1119 send_single_packet(m[2], (uint8_t)dst_port[2]);
1120 send_single_packet(m[3], (uint8_t)dst_port[3]);
1121 send_single_packet(m[4], (uint8_t)dst_port[4]);
1122 send_single_packet(m[5], (uint8_t)dst_port[5]);
1123 send_single_packet(m[6], (uint8_t)dst_port[6]);
1124 send_single_packet(m[7], (uint8_t)dst_port[7]);
1128 static inline void get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
1129 __m128i mask1, union ipv6_5tuple_host *key)
1131 __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1132 __m128i *, sizeof(struct ether_hdr) +
1133 offsetof(struct ipv6_hdr, payload_len)));
1134 __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1135 __m128i *, sizeof(struct ether_hdr) +
1136 offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i)));
1137 __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
1138 __m128i *, sizeof(struct ether_hdr) +
1139 offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i) +
1141 key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
1142 key->xmm[1] = tmpdata1;
1143 key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
1147 simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid)
1150 uint16_t dst_port[8];
1151 struct ether_hdr *eth_hdr[8];
1152 union ipv6_5tuple_host key[8];
1154 __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[8];
1156 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
1157 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
1158 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
1159 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
1160 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
1161 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
1162 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
1163 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
1165 /* Handle IPv6 headers.*/
1166 ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv6_hdr *,
1167 sizeof(struct ether_hdr));
1168 ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv6_hdr *,
1169 sizeof(struct ether_hdr));
1170 ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv6_hdr *,
1171 sizeof(struct ether_hdr));
1172 ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv6_hdr *,
1173 sizeof(struct ether_hdr));
1174 ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv6_hdr *,
1175 sizeof(struct ether_hdr));
1176 ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv6_hdr *,
1177 sizeof(struct ether_hdr));
1178 ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv6_hdr *,
1179 sizeof(struct ether_hdr));
1180 ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv6_hdr *,
1181 sizeof(struct ether_hdr));
1183 get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
1184 get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
1185 get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
1186 get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
1187 get_ipv6_5tuple(m[4], mask1, mask2, &key[4]);
1188 get_ipv6_5tuple(m[5], mask1, mask2, &key[5]);
1189 get_ipv6_5tuple(m[6], mask1, mask2, &key[6]);
1190 get_ipv6_5tuple(m[7], mask1, mask2, &key[7]);
1192 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
1193 &key[4], &key[5], &key[6], &key[7]};
1195 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
1196 &key_array[0], 4, ret);
1197 dst_port[0] = ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]);
1198 dst_port[1] = ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]);
1199 dst_port[2] = ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]);
1200 dst_port[3] = ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]);
1201 dst_port[4] = ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]);
1202 dst_port[5] = ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]);
1203 dst_port[6] = ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]);
1204 dst_port[7] = ((ret[7] < 0) ? portid : ipv6_l3fwd_out_if[ret[7]]);
1206 if (dst_port[0] >= RTE_MAX_ETHPORTS ||
1207 (enabled_port_mask & 1 << dst_port[0]) == 0)
1208 dst_port[0] = portid;
1209 if (dst_port[1] >= RTE_MAX_ETHPORTS ||
1210 (enabled_port_mask & 1 << dst_port[1]) == 0)
1211 dst_port[1] = portid;
1212 if (dst_port[2] >= RTE_MAX_ETHPORTS ||
1213 (enabled_port_mask & 1 << dst_port[2]) == 0)
1214 dst_port[2] = portid;
1215 if (dst_port[3] >= RTE_MAX_ETHPORTS ||
1216 (enabled_port_mask & 1 << dst_port[3]) == 0)
1217 dst_port[3] = portid;
1218 if (dst_port[4] >= RTE_MAX_ETHPORTS ||
1219 (enabled_port_mask & 1 << dst_port[4]) == 0)
1220 dst_port[4] = portid;
1221 if (dst_port[5] >= RTE_MAX_ETHPORTS ||
1222 (enabled_port_mask & 1 << dst_port[5]) == 0)
1223 dst_port[5] = portid;
1224 if (dst_port[6] >= RTE_MAX_ETHPORTS ||
1225 (enabled_port_mask & 1 << dst_port[6]) == 0)
1226 dst_port[6] = portid;
1227 if (dst_port[7] >= RTE_MAX_ETHPORTS ||
1228 (enabled_port_mask & 1 << dst_port[7]) == 0)
1229 dst_port[7] = portid;
1232 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
1233 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
1234 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
1235 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
1236 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
1237 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
1238 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
1239 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
1242 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
1243 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
1244 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
1245 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
1246 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
1247 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
1248 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
1249 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
1251 send_single_packet(m[0], dst_port[0]);
1252 send_single_packet(m[1], dst_port[1]);
1253 send_single_packet(m[2], dst_port[2]);
1254 send_single_packet(m[3], dst_port[3]);
1255 send_single_packet(m[4], dst_port[4]);
1256 send_single_packet(m[5], dst_port[5]);
1257 send_single_packet(m[6], dst_port[6]);
1258 send_single_packet(m[7], dst_port[7]);
1261 #endif /* APP_LOOKUP_METHOD */
1263 static __rte_always_inline void
1264 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid)
1266 struct ether_hdr *eth_hdr;
1267 struct ipv4_hdr *ipv4_hdr;
1270 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
1272 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
1273 /* Handle IPv4 headers.*/
1274 ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
1275 sizeof(struct ether_hdr));
1277 #ifdef DO_RFC_1812_CHECKS
1278 /* Check to make sure the packet is valid (RFC1812) */
1279 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
1280 rte_pktmbuf_free(m);
1285 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
1286 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct);
1287 if (dst_port >= RTE_MAX_ETHPORTS ||
1288 (enabled_port_mask & 1 << dst_port) == 0)
1291 #ifdef DO_RFC_1812_CHECKS
1292 /* Update time to live and header checksum */
1293 --(ipv4_hdr->time_to_live);
1294 ++(ipv4_hdr->hdr_checksum);
1297 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1300 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
1302 send_single_packet(m, dst_port);
1303 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
1304 /* Handle IPv6 headers.*/
1305 struct ipv6_hdr *ipv6_hdr;
1307 ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
1308 sizeof(struct ether_hdr));
1310 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
1311 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct);
1313 if (dst_port >= RTE_MAX_ETHPORTS ||
1314 (enabled_port_mask & 1 << dst_port) == 0)
1318 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1321 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
1323 send_single_packet(m, dst_port);
1325 /* Free the mbuf that contains non-IPV4/IPV6 packet */
1326 rte_pktmbuf_free(m);
1329 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1330 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1331 #ifdef DO_RFC_1812_CHECKS
1333 #define IPV4_MIN_VER_IHL 0x45
1334 #define IPV4_MAX_VER_IHL 0x4f
1335 #define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
1337 /* Minimum value of IPV4 total length (20B) in network byte order. */
1338 #define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
1341 * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
1342 * - The IP version number must be 4.
1343 * - The IP header length field must be large enough to hold the
1344 * minimum length legal IP datagram (20 bytes = 5 words).
1345 * - The IP total length field must be large enough to hold the IP
1346 * datagram header, whose length is specified in the IP header length
1348 * If we encounter invalid IPV4 packet, then set destination port for it
1349 * to BAD_PORT value.
1351 static __rte_always_inline void
1352 rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
1356 if (RTE_ETH_IS_IPV4_HDR(ptype)) {
1357 ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
1359 ipv4_hdr->time_to_live--;
1360 ipv4_hdr->hdr_checksum++;
1362 if (ihl > IPV4_MAX_VER_IHL_DIFF ||
1363 ((uint8_t)ipv4_hdr->total_length == 0 &&
1364 ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) {
1371 #define rfc1812_process(mb, dp, ptype) do { } while (0)
1372 #endif /* DO_RFC_1812_CHECKS */
1373 #endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */
1376 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1377 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1379 static __rte_always_inline uint16_t
1380 get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint16_t portid)
1383 struct ipv6_hdr *ipv6_hdr;
1384 struct ether_hdr *eth_hdr;
1386 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
1387 return (uint16_t) ((rte_lpm_lookup(
1388 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dst_ipv4,
1389 &next_hop) == 0) ? next_hop : portid);
1391 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
1393 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
1394 ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
1396 return (uint16_t) ((rte_lpm6_lookup(
1397 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
1398 ipv6_hdr->dst_addr, &next_hop) == 0) ?
1407 process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint16_t portid)
1409 struct ether_hdr *eth_hdr;
1410 struct ipv4_hdr *ipv4_hdr;
1415 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
1416 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1418 dst_ipv4 = ipv4_hdr->dst_addr;
1419 dst_ipv4 = rte_be_to_cpu_32(dst_ipv4);
1420 dp = get_dst_port(pkt, dst_ipv4, portid);
1422 te = _mm_load_si128((__m128i *)eth_hdr);
1426 rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type);
1428 te = _mm_blend_epi16(te, ve, MASK_ETH);
1429 _mm_store_si128((__m128i *)eth_hdr, te);
1433 * Read packet_type and destination IPV4 addresses from 4 mbufs.
1436 processx4_step1(struct rte_mbuf *pkt[FWDSTEP],
1438 uint32_t *ipv4_flag)
1440 struct ipv4_hdr *ipv4_hdr;
1441 struct ether_hdr *eth_hdr;
1442 uint32_t x0, x1, x2, x3;
1444 eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *);
1445 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1446 x0 = ipv4_hdr->dst_addr;
1447 ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4;
1449 eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *);
1450 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1451 x1 = ipv4_hdr->dst_addr;
1452 ipv4_flag[0] &= pkt[1]->packet_type;
1454 eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *);
1455 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1456 x2 = ipv4_hdr->dst_addr;
1457 ipv4_flag[0] &= pkt[2]->packet_type;
1459 eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *);
1460 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1461 x3 = ipv4_hdr->dst_addr;
1462 ipv4_flag[0] &= pkt[3]->packet_type;
1464 dip[0] = _mm_set_epi32(x3, x2, x1, x0);
1468 * Lookup into LPM for destination port.
1469 * If lookup fails, use incoming port (portid) as destination port.
1472 processx4_step2(__m128i dip,
1475 struct rte_mbuf *pkt[FWDSTEP],
1476 uint16_t dprt[FWDSTEP])
1479 const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
1480 4, 5, 6, 7, 0, 1, 2, 3);
1482 /* Byte swap 4 IPV4 addresses. */
1483 dip = _mm_shuffle_epi8(dip, bswap_mask);
1485 /* if all 4 packets are IPV4. */
1486 if (likely(ipv4_flag)) {
1487 rte_lpm_lookupx4(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dip,
1490 /* get rid of unused upper 16 bit for each dport. */
1491 dst.x = _mm_packs_epi32(dst.x, dst.x);
1492 *(uint64_t *)dprt = dst.u64[0];
1495 dprt[0] = get_dst_port(pkt[0], dst.u32[0], portid);
1496 dprt[1] = get_dst_port(pkt[1], dst.u32[1], portid);
1497 dprt[2] = get_dst_port(pkt[2], dst.u32[2], portid);
1498 dprt[3] = get_dst_port(pkt[3], dst.u32[3], portid);
1503 * Update source and destination MAC addresses in the ethernet header.
1504 * Perform RFC1812 checks and updates for IPV4 packets.
1507 processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
1509 __m128i te[FWDSTEP];
1510 __m128i ve[FWDSTEP];
1511 __m128i *p[FWDSTEP];
1513 p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *);
1514 p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *);
1515 p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *);
1516 p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *);
1518 ve[0] = val_eth[dst_port[0]];
1519 te[0] = _mm_load_si128(p[0]);
1521 ve[1] = val_eth[dst_port[1]];
1522 te[1] = _mm_load_si128(p[1]);
1524 ve[2] = val_eth[dst_port[2]];
1525 te[2] = _mm_load_si128(p[2]);
1527 ve[3] = val_eth[dst_port[3]];
1528 te[3] = _mm_load_si128(p[3]);
1530 /* Update first 12 bytes, keep rest bytes intact. */
1531 te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH);
1532 te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH);
1533 te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH);
1534 te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH);
1536 _mm_store_si128(p[0], te[0]);
1537 _mm_store_si128(p[1], te[1]);
1538 _mm_store_si128(p[2], te[2]);
1539 _mm_store_si128(p[3], te[3]);
1541 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1),
1542 &dst_port[0], pkt[0]->packet_type);
1543 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1),
1544 &dst_port[1], pkt[1]->packet_type);
1545 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1),
1546 &dst_port[2], pkt[2]->packet_type);
1547 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1),
1548 &dst_port[3], pkt[3]->packet_type);
1552 * We group consecutive packets with the same destionation port into one burst.
1553 * To avoid extra latency this is done together with some other packet
1554 * processing, but after we made a final decision about packet's destination.
1555 * To do this we maintain:
1556 * pnum - array of number of consecutive packets with the same dest port for
1557 * each packet in the input burst.
1558 * lp - pointer to the last updated element in the pnum.
1559 * dlp - dest port value lp corresponds to.
1562 #define GRPSZ (1 << FWDSTEP)
1563 #define GRPMSK (GRPSZ - 1)
1565 #define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \
1566 if (likely((dlp) == (dcp)[(idx)])) { \
1569 (dlp) = (dcp)[idx]; \
1570 (lp) = (pn) + (idx); \
1576 * Group consecutive packets with the same destination port in bursts of 4.
1577 * Suppose we have array of destionation ports:
1578 * dst_port[] = {a, b, c, d,, e, ... }
1579 * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
1580 * We doing 4 comparisons at once and the result is 4 bit mask.
1581 * This mask is used as an index into prebuild array of pnum values.
1583 static inline uint16_t *
1584 port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
1586 static const struct {
1587 uint64_t pnum; /* prebuild 4 values for pnum[]. */
1588 int32_t idx; /* index for new last updated elemnet. */
1589 uint16_t lpv; /* add value to the last updated element. */
1592 /* 0: a != b, b != c, c != d, d != e */
1593 .pnum = UINT64_C(0x0001000100010001),
1598 /* 1: a == b, b != c, c != d, d != e */
1599 .pnum = UINT64_C(0x0001000100010002),
1604 /* 2: a != b, b == c, c != d, d != e */
1605 .pnum = UINT64_C(0x0001000100020001),
1610 /* 3: a == b, b == c, c != d, d != e */
1611 .pnum = UINT64_C(0x0001000100020003),
1616 /* 4: a != b, b != c, c == d, d != e */
1617 .pnum = UINT64_C(0x0001000200010001),
1622 /* 5: a == b, b != c, c == d, d != e */
1623 .pnum = UINT64_C(0x0001000200010002),
1628 /* 6: a != b, b == c, c == d, d != e */
1629 .pnum = UINT64_C(0x0001000200030001),
1634 /* 7: a == b, b == c, c == d, d != e */
1635 .pnum = UINT64_C(0x0001000200030004),
1640 /* 8: a != b, b != c, c != d, d == e */
1641 .pnum = UINT64_C(0x0002000100010001),
1646 /* 9: a == b, b != c, c != d, d == e */
1647 .pnum = UINT64_C(0x0002000100010002),
1652 /* 0xa: a != b, b == c, c != d, d == e */
1653 .pnum = UINT64_C(0x0002000100020001),
1658 /* 0xb: a == b, b == c, c != d, d == e */
1659 .pnum = UINT64_C(0x0002000100020003),
1664 /* 0xc: a != b, b != c, c == d, d == e */
1665 .pnum = UINT64_C(0x0002000300010001),
1670 /* 0xd: a == b, b != c, c == d, d == e */
1671 .pnum = UINT64_C(0x0002000300010002),
1676 /* 0xe: a != b, b == c, c == d, d == e */
1677 .pnum = UINT64_C(0x0002000300040001),
1682 /* 0xf: a == b, b == c, c == d, d == e */
1683 .pnum = UINT64_C(0x0002000300040005),
1690 uint16_t u16[FWDSTEP + 1];
1692 } *pnum = (void *)pn;
1696 dp1 = _mm_cmpeq_epi16(dp1, dp2);
1697 dp1 = _mm_unpacklo_epi16(dp1, dp1);
1698 v = _mm_movemask_ps((__m128)dp1);
1700 /* update last port counter. */
1701 lp[0] += gptbl[v].lpv;
1703 /* if dest port value has changed. */
1705 pnum->u64 = gptbl[v].pnum;
1706 pnum->u16[FWDSTEP] = 1;
1707 lp = pnum->u16 + gptbl[v].idx;
1713 #endif /* APP_LOOKUP_METHOD */
1716 process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx,
1722 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1723 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1727 uint16_t dst_port[MAX_PKT_BURST];
1728 __m128i dip[MAX_PKT_BURST / FWDSTEP];
1729 uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP];
1730 uint16_t pnum[MAX_PKT_BURST + 1];
1734 #if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
1735 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1738 * Send nb_rx - nb_rx%8 packets
1741 int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
1743 for (j = 0; j < n; j += 8) {
1745 pkts_burst[j]->packet_type &
1746 pkts_burst[j+1]->packet_type &
1747 pkts_burst[j+2]->packet_type &
1748 pkts_burst[j+3]->packet_type &
1749 pkts_burst[j+4]->packet_type &
1750 pkts_burst[j+5]->packet_type &
1751 pkts_burst[j+6]->packet_type &
1752 pkts_burst[j+7]->packet_type;
1753 if (pkt_type & RTE_PTYPE_L3_IPV4) {
1754 simple_ipv4_fwd_8pkts(&pkts_burst[j], portid);
1755 } else if (pkt_type &
1756 RTE_PTYPE_L3_IPV6) {
1757 simple_ipv6_fwd_8pkts(&pkts_burst[j], portid);
1759 l3fwd_simple_forward(pkts_burst[j], portid);
1760 l3fwd_simple_forward(pkts_burst[j+1], portid);
1761 l3fwd_simple_forward(pkts_burst[j+2], portid);
1762 l3fwd_simple_forward(pkts_burst[j+3], portid);
1763 l3fwd_simple_forward(pkts_burst[j+4], portid);
1764 l3fwd_simple_forward(pkts_burst[j+5], portid);
1765 l3fwd_simple_forward(pkts_burst[j+6], portid);
1766 l3fwd_simple_forward(pkts_burst[j+7], portid);
1769 for (; j < nb_rx ; j++)
1770 l3fwd_simple_forward(pkts_burst[j], portid);
1772 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1774 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1775 for (j = 0; j != k; j += FWDSTEP)
1776 processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP],
1777 &ipv4_flag[j / FWDSTEP]);
1779 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1780 for (j = 0; j != k; j += FWDSTEP)
1781 processx4_step2(dip[j / FWDSTEP], ipv4_flag[j / FWDSTEP],
1782 portid, &pkts_burst[j], &dst_port[j]);
1785 * Finish packet processing and group consecutive
1786 * packets with the same destination port.
1788 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1795 processx4_step3(pkts_burst, dst_port);
1797 /* dp1: <d[0], d[1], d[2], d[3], ... > */
1798 dp1 = _mm_loadu_si128((__m128i *)dst_port);
1800 for (j = FWDSTEP; j != k; j += FWDSTEP) {
1801 processx4_step3(&pkts_burst[j], &dst_port[j]);
1805 * <d[j-3], d[j-2], d[j-1], d[j], ... >
1807 dp2 = _mm_loadu_si128(
1808 (__m128i *)&dst_port[j - FWDSTEP + 1]);
1809 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
1813 * <d[j], d[j+1], d[j+2], d[j+3], ... >
1815 dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) *
1816 sizeof(dst_port[0]));
1820 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
1822 dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
1823 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
1826 * remove values added by the last repeated
1830 dlp = dst_port[j - 1];
1832 /* set dlp and lp to the never used values. */
1834 lp = pnum + MAX_PKT_BURST;
1837 /* Process up to last 3 packets one by one. */
1838 switch (nb_rx % FWDSTEP) {
1840 process_packet(pkts_burst[j], dst_port + j, portid);
1841 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1845 process_packet(pkts_burst[j], dst_port + j, portid);
1846 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1850 process_packet(pkts_burst[j], dst_port + j, portid);
1851 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1856 * Send packets out, through destination port.
1857 * Consecuteve pacekts with the same destination port
1858 * are already grouped together.
1859 * If destination port for the packet equals BAD_PORT,
1860 * then free the packet without sending it out.
1862 for (j = 0; j < nb_rx; j += k) {
1870 if (likely(pn != BAD_PORT))
1871 send_packetsx4(pn, pkts_burst + j, k);
1873 for (m = j; m != j + k; m++)
1874 rte_pktmbuf_free(pkts_burst[m]);
1878 #endif /* APP_LOOKUP_METHOD */
1879 #else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */
1881 /* Prefetch first packets */
1882 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
1883 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
1885 /* Prefetch and forward already prefetched packets */
1886 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1887 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1888 j + PREFETCH_OFFSET], void *));
1889 l3fwd_simple_forward(pkts_burst[j], portid);
1892 /* Forward remaining prefetched packets */
1893 for (; j < nb_rx; j++)
1894 l3fwd_simple_forward(pkts_burst[j], portid);
1896 #endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */
1900 #if (APP_CPU_LOAD > 0)
1903 * CPU-load stats collector
1906 cpu_load_collector(__rte_unused void *arg) {
1909 uint64_t prev_tsc, diff_tsc, cur_tsc;
1910 uint64_t total[MAX_CPU] = { 0 };
1911 unsigned min_cpu = MAX_CPU;
1912 unsigned max_cpu = 0;
1917 unsigned int n_thread_per_cpu[MAX_CPU] = { 0 };
1918 struct thread_conf *thread_per_cpu[MAX_CPU][MAX_THREAD];
1920 struct thread_conf *thread_conf;
1922 const uint64_t interval_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
1923 US_PER_S * CPU_LOAD_TIMEOUT_US;
1927 * Wait for all threads
1930 printf("Waiting for %d rx threads and %d tx threads\n", n_rx_thread,
1933 while (rte_atomic16_read(&rx_counter) < n_rx_thread)
1936 while (rte_atomic16_read(&tx_counter) < n_tx_thread)
1939 for (i = 0; i < n_rx_thread; i++) {
1941 thread_conf = &rx_thread[i].conf;
1942 cpu_id = thread_conf->cpu_id;
1943 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
1945 if (cpu_id > max_cpu)
1947 if (cpu_id < min_cpu)
1950 for (i = 0; i < n_tx_thread; i++) {
1952 thread_conf = &tx_thread[i].conf;
1953 cpu_id = thread_conf->cpu_id;
1954 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
1956 if (thread_conf->cpu_id > max_cpu)
1957 max_cpu = thread_conf->cpu_id;
1958 if (thread_conf->cpu_id < min_cpu)
1959 min_cpu = thread_conf->cpu_id;
1965 for (i = min_cpu; i <= max_cpu; i++) {
1966 for (j = 0; j < MAX_CPU_COUNTER; j++) {
1967 for (k = 0; k < n_thread_per_cpu[i]; k++)
1968 if (thread_per_cpu[i][k]->busy[j]) {
1973 cpu_load.hits[j][i]++;
1985 cur_tsc = rte_rdtsc();
1987 diff_tsc = cur_tsc - prev_tsc;
1988 if (unlikely(diff_tsc > interval_tsc)) {
1992 printf("Cpu usage for %d rx threads and %d tx threads:\n\n",
1993 n_rx_thread, n_tx_thread);
1995 printf("cpu# proc%% poll%% overhead%%\n\n");
1997 for (i = min_cpu; i <= max_cpu; i++) {
1999 printf("CPU %d:", i);
2000 for (j = 0; j < MAX_CPU_COUNTER; j++) {
2001 printf("%7" PRIu64 "",
2002 cpu_load.hits[j][i] * 100 / cpu_load.counter);
2003 hits += cpu_load.hits[j][i];
2004 cpu_load.hits[j][i] = 0;
2006 printf("%7" PRIu64 "\n",
2007 100 - total[i] * 100 / cpu_load.counter);
2010 cpu_load.counter = 0;
2017 #endif /* APP_CPU_LOAD */
2020 * Null processing lthread loop
2022 * This loop is used to start empty scheduler on lcore.
2025 lthread_null(__rte_unused void *args)
2027 int lcore_id = rte_lcore_id();
2029 RTE_LOG(INFO, L3FWD, "Starting scheduler on lcore %d.\n", lcore_id);
2033 /* main processing loop */
2035 lthread_tx_per_ring(void *dummy)
2039 struct rte_ring *ring;
2040 struct thread_tx_conf *tx_conf;
2041 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2042 struct lthread_cond *ready;
2044 tx_conf = (struct thread_tx_conf *)dummy;
2045 ring = tx_conf->ring;
2046 ready = *tx_conf->ready;
2048 lthread_set_data((void *)tx_conf);
2051 * Move this lthread to lcore
2053 lthread_set_affinity(tx_conf->conf.lcore_id);
2055 RTE_LOG(INFO, L3FWD, "entering main tx loop on lcore %u\n", rte_lcore_id());
2058 rte_atomic16_inc(&tx_counter);
2062 * Read packet from ring
2064 SET_CPU_BUSY(tx_conf, CPU_POLL);
2065 nb_rx = rte_ring_sc_dequeue_burst(ring, (void **)pkts_burst,
2066 MAX_PKT_BURST, NULL);
2067 SET_CPU_IDLE(tx_conf, CPU_POLL);
2070 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2071 portid = pkts_burst[0]->port;
2072 process_burst(pkts_burst, nb_rx, portid);
2073 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2076 lthread_cond_wait(ready, 0);
2082 * Main tx-lthreads spawner lthread.
2084 * This lthread is used to spawn one new lthread per ring from producers.
2088 lthread_tx(void *args)
2094 struct thread_tx_conf *tx_conf;
2096 tx_conf = (struct thread_tx_conf *)args;
2097 lthread_set_data((void *)tx_conf);
2100 * Move this lthread to the selected lcore
2102 lthread_set_affinity(tx_conf->conf.lcore_id);
2105 * Spawn tx readers (one per input ring)
2107 lthread_create(<, tx_conf->conf.lcore_id, lthread_tx_per_ring,
2110 lcore_id = rte_lcore_id();
2112 RTE_LOG(INFO, L3FWD, "Entering Tx main loop on lcore %u\n", lcore_id);
2114 tx_conf->conf.cpu_id = sched_getcpu();
2117 lthread_sleep(BURST_TX_DRAIN_US * 1000);
2120 * TX burst queue drain
2122 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
2123 if (tx_conf->tx_mbufs[portid].len == 0)
2125 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2126 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
2127 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2128 tx_conf->tx_mbufs[portid].len = 0;
2135 lthread_rx(void *dummy)
2143 int len[RTE_MAX_LCORE] = { 0 };
2144 int old_len, new_len;
2145 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2146 struct thread_rx_conf *rx_conf;
2148 rx_conf = (struct thread_rx_conf *)dummy;
2149 lthread_set_data((void *)rx_conf);
2152 * Move this lthread to lcore
2154 lthread_set_affinity(rx_conf->conf.lcore_id);
2156 if (rx_conf->n_rx_queue == 0) {
2157 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", rte_lcore_id());
2161 RTE_LOG(INFO, L3FWD, "Entering main Rx loop on lcore %u\n", rte_lcore_id());
2163 for (i = 0; i < rx_conf->n_rx_queue; i++) {
2165 portid = rx_conf->rx_queue_list[i].port_id;
2166 queueid = rx_conf->rx_queue_list[i].queue_id;
2167 RTE_LOG(INFO, L3FWD,
2168 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
2169 rte_lcore_id(), portid, queueid);
2173 * Init all condition variables (one per rx thread)
2175 for (i = 0; i < rx_conf->n_rx_queue; i++)
2176 lthread_cond_init(NULL, &rx_conf->ready[i], NULL);
2180 rx_conf->conf.cpu_id = sched_getcpu();
2181 rte_atomic16_inc(&rx_counter);
2185 * Read packet from RX queues
2187 for (i = 0; i < rx_conf->n_rx_queue; ++i) {
2188 portid = rx_conf->rx_queue_list[i].port_id;
2189 queueid = rx_conf->rx_queue_list[i].queue_id;
2191 SET_CPU_BUSY(rx_conf, CPU_POLL);
2192 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
2194 SET_CPU_IDLE(rx_conf, CPU_POLL);
2197 worker_id = (worker_id + 1) % rx_conf->n_ring;
2198 old_len = len[worker_id];
2200 SET_CPU_BUSY(rx_conf, CPU_PROCESS);
2201 ret = rte_ring_sp_enqueue_burst(
2202 rx_conf->ring[worker_id],
2203 (void **) pkts_burst,
2206 new_len = old_len + ret;
2208 if (new_len >= BURST_SIZE) {
2209 lthread_cond_signal(rx_conf->ready[worker_id]);
2213 len[worker_id] = new_len;
2215 if (unlikely(ret < nb_rx)) {
2218 for (k = ret; k < nb_rx; k++) {
2219 struct rte_mbuf *m = pkts_burst[k];
2221 rte_pktmbuf_free(m);
2224 SET_CPU_IDLE(rx_conf, CPU_PROCESS);
2233 * Start scheduler with initial lthread on lcore
2235 * This lthread loop spawns all rx and tx lthreads on master lcore
2239 lthread_spawner(__rte_unused void *arg) {
2240 struct lthread *lt[MAX_THREAD];
2244 printf("Entering lthread_spawner\n");
2247 * Create producers (rx threads) on default lcore
2249 for (i = 0; i < n_rx_thread; i++) {
2250 rx_thread[i].conf.thread_id = i;
2251 lthread_create(<[n_thread], -1, lthread_rx,
2252 (void *)&rx_thread[i]);
2257 * Wait for all producers. Until some producers can be started on the same
2258 * scheduler as this lthread, yielding is required to let them to run and
2259 * prevent deadlock here.
2261 while (rte_atomic16_read(&rx_counter) < n_rx_thread)
2262 lthread_sleep(100000);
2265 * Create consumers (tx threads) on default lcore_id
2267 for (i = 0; i < n_tx_thread; i++) {
2268 tx_thread[i].conf.thread_id = i;
2269 lthread_create(<[n_thread], -1, lthread_tx,
2270 (void *)&tx_thread[i]);
2275 * Wait for all threads finished
2277 for (i = 0; i < n_thread; i++)
2278 lthread_join(lt[i], NULL);
2283 * Start master scheduler with initial lthread spawning rx and tx lthreads
2284 * (main_lthread_master).
2287 lthread_master_spawner(__rte_unused void *arg) {
2289 int lcore_id = rte_lcore_id();
2291 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2292 lthread_create(<, -1, lthread_spawner, NULL);
2299 * Start scheduler on lcore.
2302 sched_spawner(__rte_unused void *arg) {
2304 int lcore_id = rte_lcore_id();
2307 if (lcore_id == cpu_load_lcore_id) {
2308 cpu_load_collector(arg);
2311 #endif /* APP_CPU_LOAD */
2313 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2314 lthread_create(<, -1, lthread_null, NULL);
2320 /* main processing loop */
2322 pthread_tx(void *dummy)
2324 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2325 uint64_t prev_tsc, diff_tsc, cur_tsc;
2328 struct thread_tx_conf *tx_conf;
2330 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
2331 US_PER_S * BURST_TX_DRAIN_US;
2335 tx_conf = (struct thread_tx_conf *)dummy;
2337 RTE_LOG(INFO, L3FWD, "Entering main Tx loop on lcore %u\n", rte_lcore_id());
2339 tx_conf->conf.cpu_id = sched_getcpu();
2340 rte_atomic16_inc(&tx_counter);
2343 cur_tsc = rte_rdtsc();
2346 * TX burst queue drain
2348 diff_tsc = cur_tsc - prev_tsc;
2349 if (unlikely(diff_tsc > drain_tsc)) {
2352 * This could be optimized (use queueid instead of
2353 * portid), but it is not called so often
2355 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2356 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
2357 if (tx_conf->tx_mbufs[portid].len == 0)
2359 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
2360 tx_conf->tx_mbufs[portid].len = 0;
2362 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2368 * Read packet from ring
2370 SET_CPU_BUSY(tx_conf, CPU_POLL);
2371 nb_rx = rte_ring_sc_dequeue_burst(tx_conf->ring,
2372 (void **)pkts_burst, MAX_PKT_BURST, NULL);
2373 SET_CPU_IDLE(tx_conf, CPU_POLL);
2375 if (unlikely(nb_rx == 0)) {
2380 SET_CPU_BUSY(tx_conf, CPU_PROCESS);
2381 portid = pkts_burst[0]->port;
2382 process_burst(pkts_burst, nb_rx, portid);
2383 SET_CPU_IDLE(tx_conf, CPU_PROCESS);
2389 pthread_rx(void *dummy)
2398 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
2400 struct thread_rx_conf *rx_conf;
2402 lcore_id = rte_lcore_id();
2403 rx_conf = (struct thread_rx_conf *)dummy;
2405 if (rx_conf->n_rx_queue == 0) {
2406 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
2410 RTE_LOG(INFO, L3FWD, "entering main rx loop on lcore %u\n", lcore_id);
2412 for (i = 0; i < rx_conf->n_rx_queue; i++) {
2414 portid = rx_conf->rx_queue_list[i].port_id;
2415 queueid = rx_conf->rx_queue_list[i].queue_id;
2416 RTE_LOG(INFO, L3FWD,
2417 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
2418 lcore_id, portid, queueid);
2422 rx_conf->conf.cpu_id = sched_getcpu();
2423 rte_atomic16_inc(&rx_counter);
2427 * Read packet from RX queues
2429 for (i = 0; i < rx_conf->n_rx_queue; ++i) {
2430 portid = rx_conf->rx_queue_list[i].port_id;
2431 queueid = rx_conf->rx_queue_list[i].queue_id;
2433 SET_CPU_BUSY(rx_conf, CPU_POLL);
2434 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
2436 SET_CPU_IDLE(rx_conf, CPU_POLL);
2443 SET_CPU_BUSY(rx_conf, CPU_PROCESS);
2444 worker_id = (worker_id + 1) % rx_conf->n_ring;
2445 n = rte_ring_sp_enqueue_burst(rx_conf->ring[worker_id],
2446 (void **)pkts_burst, nb_rx, NULL);
2448 if (unlikely(n != nb_rx)) {
2451 for (k = n; k < nb_rx; k++) {
2452 struct rte_mbuf *m = pkts_burst[k];
2454 rte_pktmbuf_free(m);
2458 SET_CPU_IDLE(rx_conf, CPU_PROCESS);
2468 pthread_run(__rte_unused void *arg) {
2469 int lcore_id = rte_lcore_id();
2472 for (i = 0; i < n_rx_thread; i++)
2473 if (rx_thread[i].conf.lcore_id == lcore_id) {
2474 printf("Start rx thread on %d...\n", lcore_id);
2475 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2476 RTE_PER_LCORE(lcore_conf)->data = (void *)&rx_thread[i];
2477 pthread_rx((void *)&rx_thread[i]);
2481 for (i = 0; i < n_tx_thread; i++)
2482 if (tx_thread[i].conf.lcore_id == lcore_id) {
2483 printf("Start tx thread on %d...\n", lcore_id);
2484 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
2485 RTE_PER_LCORE(lcore_conf)->data = (void *)&tx_thread[i];
2486 pthread_tx((void *)&tx_thread[i]);
2491 if (lcore_id == cpu_load_lcore_id)
2492 cpu_load_collector(arg);
2493 #endif /* APP_CPU_LOAD */
2499 check_lcore_params(void)
2501 uint8_t queue, lcore;
2505 for (i = 0; i < nb_rx_thread_params; ++i) {
2506 queue = rx_thread_params[i].queue_id;
2507 if (queue >= MAX_RX_QUEUE_PER_PORT) {
2508 printf("invalid queue number: %hhu\n", queue);
2511 lcore = rx_thread_params[i].lcore_id;
2512 if (!rte_lcore_is_enabled(lcore)) {
2513 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
2516 socketid = rte_lcore_to_socket_id(lcore);
2517 if ((socketid != 0) && (numa_on == 0))
2518 printf("warning: lcore %hhu is on socket %d with numa off\n",
2525 check_port_config(const unsigned nb_ports)
2530 for (i = 0; i < nb_rx_thread_params; ++i) {
2531 portid = rx_thread_params[i].port_id;
2532 if ((enabled_port_mask & (1 << portid)) == 0) {
2533 printf("port %u is not enabled in port mask\n", portid);
2536 if (portid >= nb_ports) {
2537 printf("port %u is not present on the board\n", portid);
2545 get_port_n_rx_queues(const uint16_t port)
2550 for (i = 0; i < nb_rx_thread_params; ++i)
2551 if (rx_thread_params[i].port_id == port &&
2552 rx_thread_params[i].queue_id > queue)
2553 queue = rx_thread_params[i].queue_id;
2555 return (uint8_t)(++queue);
2562 struct thread_rx_conf *rx_conf;
2563 struct thread_tx_conf *tx_conf;
2564 unsigned rx_thread_id, tx_thread_id;
2566 struct rte_ring *ring = NULL;
2568 for (tx_thread_id = 0; tx_thread_id < n_tx_thread; tx_thread_id++) {
2570 tx_conf = &tx_thread[tx_thread_id];
2572 printf("Connecting tx-thread %d with rx-thread %d\n", tx_thread_id,
2573 tx_conf->conf.thread_id);
2575 rx_thread_id = tx_conf->conf.thread_id;
2576 if (rx_thread_id > n_tx_thread) {
2577 printf("connection from tx-thread %u to rx-thread %u fails "
2578 "(rx-thread not defined)\n", tx_thread_id, rx_thread_id);
2582 rx_conf = &rx_thread[rx_thread_id];
2583 socket_io = rte_lcore_to_socket_id(rx_conf->conf.lcore_id);
2585 snprintf(name, sizeof(name), "app_ring_s%u_rx%u_tx%u",
2586 socket_io, rx_thread_id, tx_thread_id);
2588 ring = rte_ring_create(name, 1024 * 4, socket_io,
2589 RING_F_SP_ENQ | RING_F_SC_DEQ);
2592 rte_panic("Cannot create ring to connect rx-thread %u "
2593 "with tx-thread %u\n", rx_thread_id, tx_thread_id);
2596 rx_conf->ring[rx_conf->n_ring] = ring;
2598 tx_conf->ring = ring;
2599 tx_conf->ready = &rx_conf->ready[rx_conf->n_ring];
2607 init_rx_queues(void)
2609 uint16_t i, nb_rx_queue;
2614 for (i = 0; i < nb_rx_thread_params; ++i) {
2615 thread = rx_thread_params[i].thread_id;
2616 nb_rx_queue = rx_thread[thread].n_rx_queue;
2618 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
2619 printf("error: too many queues (%u) for thread: %u\n",
2620 (unsigned)nb_rx_queue + 1, (unsigned)thread);
2624 rx_thread[thread].conf.thread_id = thread;
2625 rx_thread[thread].conf.lcore_id = rx_thread_params[i].lcore_id;
2626 rx_thread[thread].rx_queue_list[nb_rx_queue].port_id =
2627 rx_thread_params[i].port_id;
2628 rx_thread[thread].rx_queue_list[nb_rx_queue].queue_id =
2629 rx_thread_params[i].queue_id;
2630 rx_thread[thread].n_rx_queue++;
2632 if (thread >= n_rx_thread)
2633 n_rx_thread = thread + 1;
2640 init_tx_threads(void)
2645 for (i = 0; i < nb_tx_thread_params; ++i) {
2646 tx_thread[n_tx_thread].conf.thread_id = tx_thread_params[i].thread_id;
2647 tx_thread[n_tx_thread].conf.lcore_id = tx_thread_params[i].lcore_id;
2655 print_usage(const char *prgname)
2657 printf("%s [EAL options] -- -p PORTMASK -P"
2658 " [--rx (port,queue,lcore,thread)[,(port,queue,lcore,thread]]"
2659 " [--tx (lcore,thread)[,(lcore,thread]]"
2660 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
2661 " [--parse-ptype]\n\n"
2662 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
2663 " -P : enable promiscuous mode\n"
2664 " --rx (port,queue,lcore,thread): rx queues configuration\n"
2665 " --tx (lcore,thread): tx threads configuration\n"
2666 " --stat-lcore LCORE: use lcore for stat collector\n"
2667 " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n"
2668 " --no-numa: optional, disable numa awareness\n"
2669 " --ipv6: optional, specify it if running ipv6 packets\n"
2670 " --enable-jumbo: enable jumbo frame"
2671 " which max packet len is PKTLEN in decimal (64-9600)\n"
2672 " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n"
2673 " --no-lthreads: turn off lthread model\n"
2674 " --parse-ptype: set to use software to analyze packet type\n\n",
2678 static int parse_max_pkt_len(const char *pktlen)
2683 /* parse decimal string */
2684 len = strtoul(pktlen, &end, 10);
2685 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
2695 parse_portmask(const char *portmask)
2700 /* parse hexadecimal string */
2701 pm = strtoul(portmask, &end, 16);
2702 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
2711 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2713 parse_hash_entry_number(const char *hash_entry_num)
2716 unsigned long hash_en;
2718 /* parse hexadecimal string */
2719 hash_en = strtoul(hash_entry_num, &end, 16);
2720 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
2731 parse_rx_config(const char *q_arg)
2734 const char *p, *p0 = q_arg;
2743 unsigned long int_fld[_NUM_FLD];
2744 char *str_fld[_NUM_FLD];
2748 nb_rx_thread_params = 0;
2750 while ((p = strchr(p0, '(')) != NULL) {
2752 p0 = strchr(p, ')');
2757 if (size >= sizeof(s))
2760 snprintf(s, sizeof(s), "%.*s", size, p);
2761 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
2763 for (i = 0; i < _NUM_FLD; i++) {
2765 int_fld[i] = strtoul(str_fld[i], &end, 0);
2766 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
2769 if (nb_rx_thread_params >= MAX_LCORE_PARAMS) {
2770 printf("exceeded max number of rx params: %hu\n",
2771 nb_rx_thread_params);
2774 rx_thread_params_array[nb_rx_thread_params].port_id =
2776 rx_thread_params_array[nb_rx_thread_params].queue_id =
2777 (uint8_t)int_fld[FLD_QUEUE];
2778 rx_thread_params_array[nb_rx_thread_params].lcore_id =
2779 (uint8_t)int_fld[FLD_LCORE];
2780 rx_thread_params_array[nb_rx_thread_params].thread_id =
2781 (uint8_t)int_fld[FLD_THREAD];
2782 ++nb_rx_thread_params;
2784 rx_thread_params = rx_thread_params_array;
2789 parse_tx_config(const char *q_arg)
2792 const char *p, *p0 = q_arg;
2799 unsigned long int_fld[_NUM_FLD];
2800 char *str_fld[_NUM_FLD];
2804 nb_tx_thread_params = 0;
2806 while ((p = strchr(p0, '(')) != NULL) {
2808 p0 = strchr(p, ')');
2813 if (size >= sizeof(s))
2816 snprintf(s, sizeof(s), "%.*s", size, p);
2817 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
2819 for (i = 0; i < _NUM_FLD; i++) {
2821 int_fld[i] = strtoul(str_fld[i], &end, 0);
2822 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
2825 if (nb_tx_thread_params >= MAX_LCORE_PARAMS) {
2826 printf("exceeded max number of tx params: %hu\n",
2827 nb_tx_thread_params);
2830 tx_thread_params_array[nb_tx_thread_params].lcore_id =
2831 (uint8_t)int_fld[FLD_LCORE];
2832 tx_thread_params_array[nb_tx_thread_params].thread_id =
2833 (uint8_t)int_fld[FLD_THREAD];
2834 ++nb_tx_thread_params;
2836 tx_thread_params = tx_thread_params_array;
2841 #if (APP_CPU_LOAD > 0)
2843 parse_stat_lcore(const char *stat_lcore)
2846 unsigned long lcore_id;
2848 lcore_id = strtoul(stat_lcore, &end, 10);
2849 if ((stat_lcore[0] == '\0') || (end == NULL) || (*end != '\0'))
2857 parse_eth_dest(const char *optarg)
2861 uint8_t c, *dest, peer_addr[6];
2864 portid = strtoul(optarg, &port_end, 10);
2865 if (errno != 0 || port_end == optarg || *port_end++ != ',')
2866 rte_exit(EXIT_FAILURE,
2867 "Invalid eth-dest: %s", optarg);
2868 if (portid >= RTE_MAX_ETHPORTS)
2869 rte_exit(EXIT_FAILURE,
2870 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
2871 portid, RTE_MAX_ETHPORTS);
2873 if (cmdline_parse_etheraddr(NULL, port_end,
2874 &peer_addr, sizeof(peer_addr)) < 0)
2875 rte_exit(EXIT_FAILURE,
2876 "Invalid ethernet address: %s\n",
2878 dest = (uint8_t *)&dest_eth_addr[portid];
2879 for (c = 0; c < 6; c++)
2880 dest[c] = peer_addr[c];
2881 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
2884 #define CMD_LINE_OPT_RX_CONFIG "rx"
2885 #define CMD_LINE_OPT_TX_CONFIG "tx"
2886 #define CMD_LINE_OPT_STAT_LCORE "stat-lcore"
2887 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
2888 #define CMD_LINE_OPT_NO_NUMA "no-numa"
2889 #define CMD_LINE_OPT_IPV6 "ipv6"
2890 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
2891 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
2892 #define CMD_LINE_OPT_NO_LTHREADS "no-lthreads"
2893 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
2895 /* Parse the argument given in the command line of the application */
2897 parse_args(int argc, char **argv)
2902 char *prgname = argv[0];
2903 static struct option lgopts[] = {
2904 {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0},
2905 {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0},
2906 {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0},
2907 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
2908 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
2909 {CMD_LINE_OPT_IPV6, 0, 0, 0},
2910 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
2911 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
2912 {CMD_LINE_OPT_NO_LTHREADS, 0, 0, 0},
2913 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
2919 while ((opt = getopt_long(argc, argvopt, "p:P",
2920 lgopts, &option_index)) != EOF) {
2925 enabled_port_mask = parse_portmask(optarg);
2926 if (enabled_port_mask == 0) {
2927 printf("invalid portmask\n");
2928 print_usage(prgname);
2933 printf("Promiscuous mode selected\n");
2939 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_RX_CONFIG,
2940 sizeof(CMD_LINE_OPT_RX_CONFIG))) {
2941 ret = parse_rx_config(optarg);
2943 printf("invalid rx-config\n");
2944 print_usage(prgname);
2949 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG,
2950 sizeof(CMD_LINE_OPT_TX_CONFIG))) {
2951 ret = parse_tx_config(optarg);
2953 printf("invalid tx-config\n");
2954 print_usage(prgname);
2959 #if (APP_CPU_LOAD > 0)
2960 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE,
2961 sizeof(CMD_LINE_OPT_STAT_LCORE))) {
2962 cpu_load_lcore_id = parse_stat_lcore(optarg);
2966 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST,
2967 sizeof(CMD_LINE_OPT_ETH_DEST)))
2968 parse_eth_dest(optarg);
2970 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA,
2971 sizeof(CMD_LINE_OPT_NO_NUMA))) {
2972 printf("numa is disabled\n");
2976 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2977 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6,
2978 sizeof(CMD_LINE_OPT_IPV6))) {
2979 printf("ipv6 is specified\n");
2984 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS,
2985 sizeof(CMD_LINE_OPT_NO_LTHREADS))) {
2986 printf("l-threads model is disabled\n");
2990 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_PARSE_PTYPE,
2991 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
2992 printf("software packet type parsing enabled\n");
2996 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO,
2997 sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) {
2998 struct option lenopts = {"max-pkt-len", required_argument, 0,
3001 printf("jumbo frame is enabled - disabling simple TX path\n");
3002 port_conf.rxmode.jumbo_frame = 1;
3004 /* if no max-pkt-len set, use the default value ETHER_MAX_LEN */
3005 if (0 == getopt_long(argc, argvopt, "", &lenopts,
3008 ret = parse_max_pkt_len(optarg);
3009 if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) {
3010 printf("invalid packet length\n");
3011 print_usage(prgname);
3014 port_conf.rxmode.max_rx_pkt_len = ret;
3016 printf("set jumbo frame max packet length to %u\n",
3017 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
3019 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
3020 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM,
3021 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
3022 ret = parse_hash_entry_number(optarg);
3023 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
3024 hash_entry_number = ret;
3026 printf("invalid hash entry number\n");
3027 print_usage(prgname);
3035 print_usage(prgname);
3041 argv[optind-1] = prgname;
3044 optind = 1; /* reset getopt lib */
3049 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
3051 char buf[ETHER_ADDR_FMT_SIZE];
3053 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
3054 printf("%s%s", name, buf);
3057 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
3059 static void convert_ipv4_5tuple(struct ipv4_5tuple *key1,
3060 union ipv4_5tuple_host *key2)
3062 key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
3063 key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
3064 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
3065 key2->port_src = rte_cpu_to_be_16(key1->port_src);
3066 key2->proto = key1->proto;
3071 static void convert_ipv6_5tuple(struct ipv6_5tuple *key1,
3072 union ipv6_5tuple_host *key2)
3076 for (i = 0; i < 16; i++) {
3077 key2->ip_dst[i] = key1->ip_dst[i];
3078 key2->ip_src[i] = key1->ip_src[i];
3080 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
3081 key2->port_src = rte_cpu_to_be_16(key1->port_src);
3082 key2->proto = key1->proto;
3088 #define BYTE_VALUE_MAX 256
3089 #define ALL_32_BITS 0xffffffff
3090 #define BIT_8_TO_15 0x0000ff00
3092 populate_ipv4_few_flow_into_table(const struct rte_hash *h)
3096 uint32_t array_len = RTE_DIM(ipv4_l3fwd_route_array);
3098 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
3099 for (i = 0; i < array_len; i++) {
3100 struct ipv4_l3fwd_route entry;
3101 union ipv4_5tuple_host newkey;
3103 entry = ipv4_l3fwd_route_array[i];
3104 convert_ipv4_5tuple(&entry.key, &newkey);
3105 ret = rte_hash_add_key(h, (void *)&newkey);
3107 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
3108 " to the l3fwd hash.\n", i);
3110 ipv4_l3fwd_out_if[ret] = entry.if_out;
3112 printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len);
3115 #define BIT_16_TO_23 0x00ff0000
3117 populate_ipv6_few_flow_into_table(const struct rte_hash *h)
3121 uint32_t array_len = RTE_DIM(ipv6_l3fwd_route_array);
3123 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
3124 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
3125 for (i = 0; i < array_len; i++) {
3126 struct ipv6_l3fwd_route entry;
3127 union ipv6_5tuple_host newkey;
3129 entry = ipv6_l3fwd_route_array[i];
3130 convert_ipv6_5tuple(&entry.key, &newkey);
3131 ret = rte_hash_add_key(h, (void *)&newkey);
3133 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
3134 " to the l3fwd hash.\n", i);
3136 ipv6_l3fwd_out_if[ret] = entry.if_out;
3138 printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len);
3141 #define NUMBER_PORT_USED 4
3143 populate_ipv4_many_flow_into_table(const struct rte_hash *h,
3144 unsigned int nr_flow)
3148 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
3150 for (i = 0; i < nr_flow; i++) {
3151 struct ipv4_l3fwd_route entry;
3152 union ipv4_5tuple_host newkey;
3153 uint8_t a = (uint8_t)((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
3154 uint8_t b = (uint8_t)(((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
3156 uint8_t c = (uint8_t)((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
3158 /* Create the ipv4 exact match flow */
3159 memset(&entry, 0, sizeof(entry));
3160 switch (i & (NUMBER_PORT_USED - 1)) {
3162 entry = ipv4_l3fwd_route_array[0];
3163 entry.key.ip_dst = IPv4(101, c, b, a);
3166 entry = ipv4_l3fwd_route_array[1];
3167 entry.key.ip_dst = IPv4(201, c, b, a);
3170 entry = ipv4_l3fwd_route_array[2];
3171 entry.key.ip_dst = IPv4(111, c, b, a);
3174 entry = ipv4_l3fwd_route_array[3];
3175 entry.key.ip_dst = IPv4(211, c, b, a);
3178 convert_ipv4_5tuple(&entry.key, &newkey);
3179 int32_t ret = rte_hash_add_key(h, (void *)&newkey);
3182 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
3184 ipv4_l3fwd_out_if[ret] = (uint8_t)entry.if_out;
3187 printf("Hash: Adding 0x%x keys\n", nr_flow);
3191 populate_ipv6_many_flow_into_table(const struct rte_hash *h,
3192 unsigned int nr_flow)
3196 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
3197 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
3198 for (i = 0; i < nr_flow; i++) {
3199 struct ipv6_l3fwd_route entry;
3200 union ipv6_5tuple_host newkey;
3202 uint8_t a = (uint8_t) ((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
3203 uint8_t b = (uint8_t) (((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
3205 uint8_t c = (uint8_t) ((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
3208 /* Create the ipv6 exact match flow */
3209 memset(&entry, 0, sizeof(entry));
3210 switch (i & (NUMBER_PORT_USED - 1)) {
3212 entry = ipv6_l3fwd_route_array[0];
3215 entry = ipv6_l3fwd_route_array[1];
3218 entry = ipv6_l3fwd_route_array[2];
3221 entry = ipv6_l3fwd_route_array[3];
3224 entry.key.ip_dst[13] = c;
3225 entry.key.ip_dst[14] = b;
3226 entry.key.ip_dst[15] = a;
3227 convert_ipv6_5tuple(&entry.key, &newkey);
3228 int32_t ret = rte_hash_add_key(h, (void *)&newkey);
3231 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
3233 ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
3236 printf("Hash: Adding 0x%x keys\n", nr_flow);
3240 setup_hash(int socketid)
3242 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
3244 .entries = L3FWD_HASH_ENTRIES,
3245 .key_len = sizeof(union ipv4_5tuple_host),
3246 .hash_func = ipv4_hash_crc,
3247 .hash_func_init_val = 0,
3250 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
3252 .entries = L3FWD_HASH_ENTRIES,
3253 .key_len = sizeof(union ipv6_5tuple_host),
3254 .hash_func = ipv6_hash_crc,
3255 .hash_func_init_val = 0,
3260 /* create ipv4 hash */
3261 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
3262 ipv4_l3fwd_hash_params.name = s;
3263 ipv4_l3fwd_hash_params.socket_id = socketid;
3264 ipv4_l3fwd_lookup_struct[socketid] =
3265 rte_hash_create(&ipv4_l3fwd_hash_params);
3266 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
3267 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
3268 "socket %d\n", socketid);
3270 /* create ipv6 hash */
3271 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
3272 ipv6_l3fwd_hash_params.name = s;
3273 ipv6_l3fwd_hash_params.socket_id = socketid;
3274 ipv6_l3fwd_lookup_struct[socketid] =
3275 rte_hash_create(&ipv6_l3fwd_hash_params);
3276 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
3277 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
3278 "socket %d\n", socketid);
3280 if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
3281 /* For testing hash matching with a large number of flows we
3282 * generate millions of IP 5-tuples with an incremented dst
3283 * address to initialize the hash table. */
3285 /* populate the ipv4 hash */
3286 populate_ipv4_many_flow_into_table(
3287 ipv4_l3fwd_lookup_struct[socketid], hash_entry_number);
3289 /* populate the ipv6 hash */
3290 populate_ipv6_many_flow_into_table(
3291 ipv6_l3fwd_lookup_struct[socketid], hash_entry_number);
3294 /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize
3297 /* populate the ipv4 hash */
3298 populate_ipv4_few_flow_into_table(
3299 ipv4_l3fwd_lookup_struct[socketid]);
3301 /* populate the ipv6 hash */
3302 populate_ipv6_few_flow_into_table(
3303 ipv6_l3fwd_lookup_struct[socketid]);
3309 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
3311 setup_lpm(int socketid)
3313 struct rte_lpm6_config config;
3314 struct rte_lpm_config lpm_ipv4_config;
3319 /* create the LPM table */
3320 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
3321 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
3322 lpm_ipv4_config.number_tbl8s = 256;
3323 lpm_ipv4_config.flags = 0;
3324 ipv4_l3fwd_lookup_struct[socketid] =
3325 rte_lpm_create(s, socketid, &lpm_ipv4_config);
3326 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
3327 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
3328 " on socket %d\n", socketid);
3330 /* populate the LPM table */
3331 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
3333 /* skip unused ports */
3334 if ((1 << ipv4_l3fwd_route_array[i].if_out &
3335 enabled_port_mask) == 0)
3338 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
3339 ipv4_l3fwd_route_array[i].ip,
3340 ipv4_l3fwd_route_array[i].depth,
3341 ipv4_l3fwd_route_array[i].if_out);
3344 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
3345 "l3fwd LPM table on socket %d\n",
3349 printf("LPM: Adding route 0x%08x / %d (%d)\n",
3350 (unsigned)ipv4_l3fwd_route_array[i].ip,
3351 ipv4_l3fwd_route_array[i].depth,
3352 ipv4_l3fwd_route_array[i].if_out);
3355 /* create the LPM6 table */
3356 snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
3358 config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
3359 config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
3361 ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
3363 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
3364 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
3365 " on socket %d\n", socketid);
3367 /* populate the LPM table */
3368 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
3370 /* skip unused ports */
3371 if ((1 << ipv6_l3fwd_route_array[i].if_out &
3372 enabled_port_mask) == 0)
3375 ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid],
3376 ipv6_l3fwd_route_array[i].ip,
3377 ipv6_l3fwd_route_array[i].depth,
3378 ipv6_l3fwd_route_array[i].if_out);
3381 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
3382 "l3fwd LPM table on socket %d\n",
3386 printf("LPM: Adding route %s / %d (%d)\n",
3388 ipv6_l3fwd_route_array[i].depth,
3389 ipv6_l3fwd_route_array[i].if_out);
3395 init_mem(unsigned nb_mbuf)
3397 struct lcore_conf *qconf;
3402 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
3403 if (rte_lcore_is_enabled(lcore_id) == 0)
3407 socketid = rte_lcore_to_socket_id(lcore_id);
3411 if (socketid >= NB_SOCKETS) {
3412 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
3413 socketid, lcore_id, NB_SOCKETS);
3415 if (pktmbuf_pool[socketid] == NULL) {
3416 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
3417 pktmbuf_pool[socketid] =
3418 rte_pktmbuf_pool_create(s, nb_mbuf,
3419 MEMPOOL_CACHE_SIZE, 0,
3420 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
3421 if (pktmbuf_pool[socketid] == NULL)
3422 rte_exit(EXIT_FAILURE,
3423 "Cannot init mbuf pool on socket %d\n", socketid);
3425 printf("Allocated mbuf pool on socket %d\n", socketid);
3427 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
3428 setup_lpm(socketid);
3430 setup_hash(socketid);
3433 qconf = &lcore_conf[lcore_id];
3434 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
3435 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
3440 /* Check the link status of all ports in up to 9s, and print them finally */
3442 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
3444 #define CHECK_INTERVAL 100 /* 100ms */
3445 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
3447 uint8_t count, all_ports_up, print_flag = 0;
3448 struct rte_eth_link link;
3450 printf("\nChecking link status");
3452 for (count = 0; count <= MAX_CHECK_TIME; count++) {
3454 for (portid = 0; portid < port_num; portid++) {
3455 if ((port_mask & (1 << portid)) == 0)
3457 memset(&link, 0, sizeof(link));
3458 rte_eth_link_get_nowait(portid, &link);
3459 /* print link status if flag set */
3460 if (print_flag == 1) {
3461 if (link.link_status)
3463 "Port%d Link Up. Speed %u Mbps - %s\n",
3464 portid, link.link_speed,
3465 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
3466 ("full-duplex") : ("half-duplex\n"));
3468 printf("Port %d Link Down\n", portid);
3471 /* clear all_ports_up flag if any link down */
3472 if (link.link_status == ETH_LINK_DOWN) {
3477 /* after finally printing all link status, get out */
3478 if (print_flag == 1)
3481 if (all_ports_up == 0) {
3484 rte_delay_ms(CHECK_INTERVAL);
3487 /* set the print_flag if all ports up or timeout */
3488 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
3496 main(int argc, char **argv)
3498 struct rte_eth_dev_info dev_info;
3499 struct rte_eth_txconf *txconf;
3503 uint16_t queueid, portid;
3505 uint32_t n_tx_queue, nb_lcores;
3506 uint8_t nb_rx_queue, queue, socketid;
3509 ret = rte_eal_init(argc, argv);
3511 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
3515 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
3516 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
3517 dest_eth_addr[portid] = ETHER_LOCAL_ADMIN_ADDR +
3518 ((uint64_t)portid << 40);
3519 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
3522 /* parse application arguments (after the EAL ones) */
3523 ret = parse_args(argc, argv);
3525 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
3527 if (check_lcore_params() < 0)
3528 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
3530 printf("Initializing rx-queues...\n");
3531 ret = init_rx_queues();
3533 rte_exit(EXIT_FAILURE, "init_rx_queues failed\n");
3535 printf("Initializing tx-threads...\n");
3536 ret = init_tx_threads();
3538 rte_exit(EXIT_FAILURE, "init_tx_threads failed\n");
3540 printf("Initializing rings...\n");
3541 ret = init_rx_rings();
3543 rte_exit(EXIT_FAILURE, "init_rx_rings failed\n");
3545 nb_ports = rte_eth_dev_count();
3547 if (check_port_config(nb_ports) < 0)
3548 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
3550 nb_lcores = rte_lcore_count();
3552 /* initialize all ports */
3553 for (portid = 0; portid < nb_ports; portid++) {
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);
3570 ret = rte_eth_dev_configure(portid, nb_rx_queue,
3571 (uint16_t)n_tx_queue, &port_conf);
3573 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
3576 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
3579 rte_exit(EXIT_FAILURE,
3580 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%d\n",
3583 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
3584 print_ethaddr(" Address:", &ports_eth_addr[portid]);
3586 print_ethaddr("Destination:",
3587 (const struct ether_addr *)&dest_eth_addr[portid]);
3591 * prepare src MACs for each port.
3593 ether_addr_copy(&ports_eth_addr[portid],
3594 (struct ether_addr *)(val_eth + portid) + 1);
3597 ret = init_mem(NB_MBUF);
3599 rte_exit(EXIT_FAILURE, "init_mem failed\n");
3601 /* init one TX queue per couple (lcore,port) */
3603 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
3604 if (rte_lcore_is_enabled(lcore_id) == 0)
3608 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
3612 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
3615 rte_eth_dev_info_get(portid, &dev_info);
3616 txconf = &dev_info.default_txconf;
3617 if (port_conf.rxmode.jumbo_frame)
3618 txconf->txq_flags = 0;
3619 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
3622 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
3623 "port=%d\n", ret, portid);
3625 tx_thread[lcore_id].tx_queue_id[portid] = queueid;
3631 for (i = 0; i < n_rx_thread; i++) {
3632 lcore_id = rx_thread[i].conf.lcore_id;
3634 if (rte_lcore_is_enabled(lcore_id) == 0) {
3635 rte_exit(EXIT_FAILURE,
3636 "Cannot start Rx thread on lcore %u: lcore disabled\n",
3641 printf("\nInitializing rx queues for Rx thread %d on lcore %u ... ",
3645 /* init RX queues */
3646 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) {
3647 portid = rx_thread[i].rx_queue_list[queue].port_id;
3648 queueid = rx_thread[i].rx_queue_list[queue].queue_id;
3651 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
3655 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
3658 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
3661 pktmbuf_pool[socketid]);
3663 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, "
3664 "port=%d\n", ret, portid);
3671 for (portid = 0; portid < nb_ports; portid++) {
3672 if ((enabled_port_mask & (1 << portid)) == 0)
3676 ret = rte_eth_dev_start(portid);
3678 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
3682 * If enabled, put device in promiscuous mode.
3683 * This allows IO forwarding mode to forward packets
3684 * to itself through 2 cross-connected ports of the
3688 rte_eth_promiscuous_enable(portid);
3691 for (i = 0; i < n_rx_thread; i++) {
3692 lcore_id = rx_thread[i].conf.lcore_id;
3693 if (rte_lcore_is_enabled(lcore_id) == 0)
3696 /* check if hw packet type is supported */
3697 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) {
3698 portid = rx_thread[i].rx_queue_list[queue].port_id;
3699 queueid = rx_thread[i].rx_queue_list[queue].queue_id;
3701 if (parse_ptype_on) {
3702 if (!rte_eth_add_rx_callback(portid, queueid,
3703 cb_parse_ptype, NULL))
3704 rte_exit(EXIT_FAILURE,
3705 "Failed to add rx callback: "
3706 "port=%d\n", portid);
3707 } else if (!check_ptype(portid))
3708 rte_exit(EXIT_FAILURE,
3709 "Port %d cannot parse packet type.\n\n"
3710 "Please add --parse-ptype to use sw "
3711 "packet type analyzer.\n\n",
3716 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
3719 printf("Starting L-Threading Model\n");
3721 #if (APP_CPU_LOAD > 0)
3722 if (cpu_load_lcore_id > 0)
3723 /* Use one lcore for cpu load collector */
3727 lthread_num_schedulers_set(nb_lcores);
3728 rte_eal_mp_remote_launch(sched_spawner, NULL, SKIP_MASTER);
3729 lthread_master_spawner(NULL);
3732 printf("Starting P-Threading Model\n");
3733 /* launch per-lcore init on every lcore */
3734 rte_eal_mp_remote_launch(pthread_run, NULL, CALL_MASTER);
3735 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
3736 if (rte_eal_wait_lcore(lcore_id) < 0)