4 * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
40 #include <sys/queue.h>
46 #include <rte_common.h>
47 #include <rte_byteorder.h>
49 #include <rte_memory.h>
50 #include <rte_memcpy.h>
51 #include <rte_memzone.h>
52 #include <rte_tailq.h>
54 #include <rte_per_lcore.h>
55 #include <rte_launch.h>
56 #include <rte_atomic.h>
57 #include <rte_cycles.h>
58 #include <rte_prefetch.h>
59 #include <rte_lcore.h>
60 #include <rte_per_lcore.h>
61 #include <rte_branch_prediction.h>
62 #include <rte_interrupts.h>
64 #include <rte_random.h>
65 #include <rte_debug.h>
66 #include <rte_ether.h>
67 #include <rte_ethdev.h>
69 #include <rte_mempool.h>
74 #include <rte_string_fns.h>
78 #define APP_LOOKUP_EXACT_MATCH 0
79 #define APP_LOOKUP_LPM 1
80 #define DO_RFC_1812_CHECKS
82 //#define APP_LOOKUP_METHOD APP_LOOKUP_EXACT_MATCH
83 #ifndef APP_LOOKUP_METHOD
84 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
87 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
89 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
92 #error "APP_LOOKUP_METHOD set to incorrect value"
95 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
97 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
101 * RX and TX Prefetch, Host, and Write-back threshold values should be
102 * carefully set for optimal performance. Consult the network
103 * controller's datasheet and supporting DPDK documentation for guidance
104 * on how these parameters should be set.
106 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
107 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
108 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
111 * These default values are optimized for use with the Intel(R) 82599 10 GbE
112 * Controller and the DPDK ixgbe PMD. Consider using other values for other
113 * network controllers and/or network drivers.
115 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
116 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
117 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
119 #define MAX_PKT_BURST 32
120 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
126 /* Configure how many packets ahead to prefetch, when reading packets */
127 #define PREFETCH_OFFSET 3
130 * Configurable number of RX/TX ring descriptors
132 #define RTE_TEST_RX_DESC_DEFAULT 128
133 #define RTE_TEST_TX_DESC_DEFAULT 512
134 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
135 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
137 /* ethernet addresses of ports */
138 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
140 /* mask of enabled ports */
141 static uint32_t enabled_port_mask = 0;
142 static int numa_on = 1; /**< NUMA is enabled by default. */
146 struct rte_mbuf *m_table[MAX_PKT_BURST];
149 struct lcore_rx_queue {
152 } __rte_cache_aligned;
154 #define MAX_RX_QUEUE_PER_LCORE 16
155 #define MAX_TX_QUEUE_PER_PORT 1
156 #define MAX_RX_QUEUE_PER_PORT 1
158 #define MAX_LCORE_PARAMS 1024
159 struct lcore_params {
163 } __rte_cache_aligned;
165 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
166 static struct lcore_params lcore_params_array_default[] = {
178 static struct lcore_params * lcore_params = lcore_params_array_default;
179 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
180 sizeof(lcore_params_array_default[0]);
182 static struct rte_eth_conf port_conf = {
185 .header_split = 0, /**< Header Split disabled */
186 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
187 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
188 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
189 .hw_strip_crc = 1, /**< CRC stripped by hardware */
194 .rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6,
198 .mq_mode = ETH_MQ_TX_NONE,
202 static const struct rte_eth_rxconf rx_conf = {
204 .pthresh = RX_PTHRESH,
205 .hthresh = RX_HTHRESH,
206 .wthresh = RX_WTHRESH,
210 static const struct rte_eth_txconf tx_conf = {
212 .pthresh = TX_PTHRESH,
213 .hthresh = TX_HTHRESH,
214 .wthresh = TX_WTHRESH,
216 .tx_free_thresh = 0, /* Use PMD default values */
217 .tx_rs_thresh = 0, /* Use PMD default values */
220 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
223 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
225 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
226 #include <rte_hash_crc.h>
227 #define DEFAULT_HASH_FUNC rte_hash_crc
229 #include <rte_jhash.h>
230 #define DEFAULT_HASH_FUNC rte_jhash
239 } __attribute__((__packed__));
242 struct ipv4_5tuple key;
246 static struct l3fwd_route l3fwd_route_array[] = {
247 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
248 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
249 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
250 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
253 typedef struct rte_hash lookup_struct_t;
254 static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
256 #define L3FWD_HASH_ENTRIES 1024
257 struct rte_hash_parameters l3fwd_hash_params = {
258 .name = "l3fwd_hash_0",
259 .entries = L3FWD_HASH_ENTRIES,
261 .key_len = sizeof(struct ipv4_5tuple),
262 .hash_func = DEFAULT_HASH_FUNC,
263 .hash_func_init_val = 0,
264 .socket_id = SOCKET0,
267 #define L3FWD_NUM_ROUTES \
268 (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
270 static uint8_t l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
273 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
280 static struct l3fwd_route l3fwd_route_array[] = {
281 {IPv4(1,1,1,0), 24, 0},
282 {IPv4(2,1,1,0), 24, 1},
283 {IPv4(3,1,1,0), 24, 2},
284 {IPv4(4,1,1,0), 24, 3},
285 {IPv4(5,1,1,0), 24, 4},
286 {IPv4(6,1,1,0), 24, 5},
287 {IPv4(7,1,1,0), 24, 6},
288 {IPv4(8,1,1,0), 24, 7},
291 #define L3FWD_NUM_ROUTES \
292 (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
294 #define L3FWD_LPM_MAX_RULES 1024
296 typedef struct rte_lpm lookup_struct_t;
297 static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
302 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
303 uint16_t tx_queue_id;
304 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
305 lookup_struct_t * lookup_struct;
306 } __rte_cache_aligned;
308 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
310 /* Send burst of packets on an output interface */
312 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
314 struct rte_mbuf **m_table;
318 queueid = qconf->tx_queue_id;
319 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
321 ret = rte_eth_tx_burst(port, queueid, m_table, n);
322 if (unlikely(ret < n)) {
324 rte_pktmbuf_free(m_table[ret]);
331 /* Enqueue a single packet, and send burst if queue is filled */
333 send_single_packet(struct rte_mbuf *m, uint8_t port)
337 struct lcore_conf *qconf;
339 lcore_id = rte_lcore_id();
341 qconf = &lcore_conf[lcore_id];
342 len = qconf->tx_mbufs[port].len;
343 qconf->tx_mbufs[port].m_table[len] = m;
346 /* enough pkts to be sent */
347 if (unlikely(len == MAX_PKT_BURST)) {
348 send_burst(qconf, MAX_PKT_BURST, port);
352 qconf->tx_mbufs[port].len = len;
356 #ifdef DO_RFC_1812_CHECKS
358 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
360 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
362 * 1. The packet length reported by the Link Layer must be large
363 * enough to hold the minimum length legal IP datagram (20 bytes).
365 if (link_len < sizeof(struct ipv4_hdr))
368 /* 2. The IP checksum must be correct. */
369 /* this is checked in H/W */
372 * 3. The IP version number must be 4. If the version number is not 4
373 * then the packet may be another version of IP, such as IPng or
376 if (((pkt->version_ihl) >> 4) != 4)
379 * 4. The IP header length field must be large enough to hold the
380 * minimum length legal IP datagram (20 bytes = 5 words).
382 if ((pkt->version_ihl & 0xf) < 5)
386 * 5. The IP total length field must be large enough to hold the IP
387 * datagram header, whose length is specified in the IP header length
390 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
397 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
399 print_key(struct ipv4_5tuple key)
401 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, proto = %d\n",
402 (unsigned)key.ip_dst, (unsigned)key.ip_src, key.port_dst, key.port_src, key.proto);
405 static inline uint8_t
406 get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
408 struct ipv4_5tuple key;
413 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
414 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
415 key.proto = ipv4_hdr->next_proto_id;
417 switch (ipv4_hdr->next_proto_id) {
419 tcp = (struct tcp_hdr *)((unsigned char *) ipv4_hdr +
420 sizeof(struct ipv4_hdr));
421 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
422 key.port_src = rte_be_to_cpu_16(tcp->src_port);
426 udp = (struct udp_hdr *)((unsigned char *) ipv4_hdr +
427 sizeof(struct ipv4_hdr));
428 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
429 key.port_src = rte_be_to_cpu_16(udp->src_port);
437 /* Find destination port */
438 ret = rte_hash_lookup(l3fwd_lookup_struct, (const void *)&key);
439 return (uint8_t)((ret < 0)? portid : l3fwd_out_if[ret]);
443 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
444 static inline uint8_t
445 get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
449 return (uint8_t) ((rte_lpm_lookup(l3fwd_lookup_struct,
450 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
456 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
458 struct ether_hdr *eth_hdr;
459 struct ipv4_hdr *ipv4_hdr;
463 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
465 ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
466 sizeof(struct ether_hdr));
468 #ifdef DO_RFC_1812_CHECKS
469 /* Check to make sure the packet is valid (RFC1812) */
470 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt.pkt_len) < 0) {
476 dst_port = get_dst_port(ipv4_hdr, portid, l3fwd_lookup_struct);
477 if (dst_port >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port) == 0)
480 /* 02:00:00:00:00:xx */
481 tmp = ð_hdr->d_addr.addr_bytes[0];
482 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
484 #ifdef DO_RFC_1812_CHECKS
485 /* Update time to live and header checksum */
486 --(ipv4_hdr->time_to_live);
487 ++(ipv4_hdr->hdr_checksum);
491 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
493 send_single_packet(m, dst_port);
497 /* main processing loop */
499 main_loop(__attribute__((unused)) void *dummy)
501 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
503 uint64_t prev_tsc, diff_tsc, cur_tsc;
505 uint8_t portid, queueid;
506 struct lcore_conf *qconf;
507 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
511 lcore_id = rte_lcore_id();
512 qconf = &lcore_conf[lcore_id];
514 if (qconf->n_rx_queue == 0) {
515 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
519 RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
521 for (i = 0; i < qconf->n_rx_queue; i++) {
523 portid = qconf->rx_queue_list[i].port_id;
524 queueid = qconf->rx_queue_list[i].queue_id;
525 RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", lcore_id,
531 cur_tsc = rte_rdtsc();
534 * TX burst queue drain
536 diff_tsc = cur_tsc - prev_tsc;
537 if (unlikely(diff_tsc > drain_tsc)) {
540 * This could be optimized (use queueid instead of
541 * portid), but it is not called so often
543 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
544 if (qconf->tx_mbufs[portid].len == 0)
546 send_burst(&lcore_conf[lcore_id],
547 qconf->tx_mbufs[portid].len,
549 qconf->tx_mbufs[portid].len = 0;
556 * Read packet from RX queues
558 for (i = 0; i < qconf->n_rx_queue; ++i) {
560 portid = qconf->rx_queue_list[i].port_id;
561 queueid = qconf->rx_queue_list[i].queue_id;
562 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, MAX_PKT_BURST);
564 /* Prefetch first packets */
565 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
566 rte_prefetch0(rte_pktmbuf_mtod(
567 pkts_burst[j], void *));
570 /* Prefetch and forward already prefetched packets */
571 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
572 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
573 j + PREFETCH_OFFSET], void *));
574 l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
577 /* Forward remaining prefetched packets */
578 for (; j < nb_rx; j++) {
579 l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
586 check_lcore_params(void)
588 uint8_t queue, lcore;
592 for (i = 0; i < nb_lcore_params; ++i) {
593 queue = lcore_params[i].queue_id;
594 if (queue >= MAX_RX_QUEUE_PER_PORT) {
595 printf("invalid queue number: %hhu\n", queue);
598 lcore = lcore_params[i].lcore_id;
599 if (!rte_lcore_is_enabled(lcore)) {
600 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
603 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
605 printf("warning: lcore %hhu is on socket %d with numa off \n",
613 check_port_config(const unsigned nb_ports)
618 for (i = 0; i < nb_lcore_params; ++i) {
619 portid = lcore_params[i].port_id;
620 if ((enabled_port_mask & (1 << portid)) == 0) {
621 printf("port %u is not enabled in port mask\n", portid);
624 if (portid >= nb_ports) {
625 printf("port %u is not present on the board\n", portid);
633 get_port_n_rx_queues(const uint8_t port)
638 for (i = 0; i < nb_lcore_params; ++i) {
639 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
640 queue = lcore_params[i].queue_id;
642 return (uint8_t)(++queue);
646 init_lcore_rx_queues(void)
648 uint16_t i, nb_rx_queue;
651 for (i = 0; i < nb_lcore_params; ++i) {
652 lcore = lcore_params[i].lcore_id;
653 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
654 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
655 printf("error: too many queues (%u) for lcore: %u\n",
656 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
659 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
660 lcore_params[i].port_id;
661 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
662 lcore_params[i].queue_id;
663 lcore_conf[lcore].n_rx_queue++;
671 print_usage(const char *prgname)
673 printf ("%s [EAL options] -- -p PORTMASK"
674 " [--config (port,queue,lcore)[,(port,queue,lcore]]\n"
675 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
676 " --config (port,queue,lcore): rx queues configuration\n"
677 " --no-numa: optional, disable numa awareness\n",
681 /* Custom handling of signals to handle process terminal */
683 signal_handler(int signum)
686 uint8_t nb_ports = rte_eth_dev_count();
688 /* When we receive a SIGINT signal */
689 if (signum == SIGINT) {
690 for (portid = 0; portid < nb_ports; portid++) {
691 /* skip ports that are not enabled */
692 if ((enabled_port_mask & (1 << portid)) == 0)
694 rte_eth_dev_close(portid);
697 rte_exit(EXIT_SUCCESS, "\n User forced exit\n");
700 parse_portmask(const char *portmask)
705 /* parse hexadecimal string */
706 pm = strtoul(portmask, &end, 16);
707 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
717 parse_config(const char *q_arg)
720 const char *p, *p0 = q_arg;
728 unsigned long int_fld[_NUM_FLD];
729 char *str_fld[_NUM_FLD];
735 while ((p = strchr(p0,'(')) != NULL) {
737 if((p0 = strchr(p,')')) == NULL)
741 if(size >= sizeof(s))
744 rte_snprintf(s, sizeof(s), "%.*s", size, p);
745 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
747 for (i = 0; i < _NUM_FLD; i++){
749 int_fld[i] = strtoul(str_fld[i], &end, 0);
750 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
753 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
754 printf("exceeded max number of lcore params: %hu\n",
758 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
759 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
760 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
763 lcore_params = lcore_params_array;
767 /* Parse the argument given in the command line of the application */
769 parse_args(int argc, char **argv)
774 char *prgname = argv[0];
775 static struct option lgopts[] = {
777 {"no-numa", 0, 0, 0},
783 while ((opt = getopt_long(argc, argvopt, "p:",
784 lgopts, &option_index)) != EOF) {
789 enabled_port_mask = parse_portmask(optarg);
790 if (enabled_port_mask == 0) {
791 printf("invalid portmask\n");
792 print_usage(prgname);
799 if (!strcmp(lgopts[option_index].name, "config")) {
800 ret = parse_config(optarg);
802 printf("invalid config\n");
803 print_usage(prgname);
808 if (!strcmp(lgopts[option_index].name, "no-numa")) {
809 printf("numa is disabled \n");
815 print_usage(prgname);
821 argv[optind-1] = prgname;
824 optind = 0; /* reset getopt lib */
829 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
831 printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
832 eth_addr->addr_bytes[0],
833 eth_addr->addr_bytes[1],
834 eth_addr->addr_bytes[2],
835 eth_addr->addr_bytes[3],
836 eth_addr->addr_bytes[4],
837 eth_addr->addr_bytes[5]);
840 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
842 setup_hash(int socketid)
849 rte_snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid);
850 l3fwd_hash_params.name = s;
851 l3fwd_hash_params.socket_id = socketid;
852 l3fwd_lookup_struct[socketid] = rte_hash_create(&l3fwd_hash_params);
853 if (l3fwd_lookup_struct[socketid] == NULL)
854 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
855 "socket %d\n", socketid);
857 /* populate the hash */
858 for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
859 ret = rte_hash_add_key (l3fwd_lookup_struct[socketid],
860 (void *) &l3fwd_route_array[i].key);
862 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
863 "l3fwd hash on socket %d\n", i, socketid);
865 l3fwd_out_if[ret] = l3fwd_route_array[i].if_out;
866 printf("Hash: Adding key\n");
867 print_key(l3fwd_route_array[i].key);
872 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
874 setup_lpm(int socketid)
880 /* create the LPM table */
881 rte_snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid);
882 l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
883 L3FWD_LPM_MAX_RULES, 0);
884 if (l3fwd_lookup_struct[socketid] == NULL)
885 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
886 " on socket %d\n", socketid);
888 /* populate the LPM table */
889 for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
890 ret = rte_lpm_add(l3fwd_lookup_struct[socketid],
891 l3fwd_route_array[i].ip,
892 l3fwd_route_array[i].depth,
893 l3fwd_route_array[i].if_out);
896 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
897 "l3fwd LPM table on socket %d\n",
901 printf("LPM: Adding route 0x%08x / %d (%d)\n",
902 (unsigned)l3fwd_route_array[i].ip,
903 l3fwd_route_array[i].depth,
904 l3fwd_route_array[i].if_out);
912 struct lcore_conf *qconf;
917 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
918 if (rte_lcore_is_enabled(lcore_id) == 0)
922 socketid = rte_lcore_to_socket_id(lcore_id);
926 if (socketid >= NB_SOCKETS) {
927 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
928 socketid, lcore_id, NB_SOCKETS);
930 if (pktmbuf_pool[socketid] == NULL) {
931 rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
932 pktmbuf_pool[socketid] =
933 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
934 sizeof(struct rte_pktmbuf_pool_private),
935 rte_pktmbuf_pool_init, NULL,
936 rte_pktmbuf_init, NULL,
938 if (pktmbuf_pool[socketid] == NULL)
939 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n", socketid);
941 printf("Allocated mbuf pool on socket %d\n", socketid);
943 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
946 setup_hash(socketid);
949 qconf = &lcore_conf[lcore_id];
950 qconf->lookup_struct = l3fwd_lookup_struct[socketid];
956 MAIN(int argc, char **argv)
958 struct lcore_conf *qconf;
963 uint8_t portid, nb_rx_queue, queue, socketid;
965 signal(SIGINT, signal_handler);
967 ret = rte_eal_init(argc, argv);
969 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
973 /* parse application arguments (after the EAL ones) */
974 ret = parse_args(argc, argv);
976 rte_exit(EXIT_FAILURE, "Invalid L3FWD-VF parameters\n");
978 if (check_lcore_params() < 0)
979 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
981 ret = init_lcore_rx_queues();
983 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
987 rte_exit(EXIT_FAILURE, "init_mem failed\n");
990 if (rte_pmd_init_all() < 0)
991 rte_exit(EXIT_FAILURE, "Cannot init pmd\n");
993 if (rte_eal_pci_probe() < 0)
994 rte_exit(EXIT_FAILURE, "Cannot probe PCI\n");
996 nb_ports = rte_eth_dev_count();
997 if (nb_ports > RTE_MAX_ETHPORTS)
998 nb_ports = RTE_MAX_ETHPORTS;
1000 if (check_port_config(nb_ports) < 0)
1001 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1003 /* initialize all ports */
1004 for (portid = 0; portid < nb_ports; portid++) {
1005 /* skip ports that are not enabled */
1006 if ((enabled_port_mask & (1 << portid)) == 0) {
1007 printf("\nSkipping disabled port %d\n", portid);
1012 printf("Initializing port %d ... ", portid );
1015 /* must always equal(=1) */
1016 nb_rx_queue = get_port_n_rx_queues(portid);
1018 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1019 nb_rx_queue, (unsigned)1 );
1020 ret = rte_eth_dev_configure(portid, nb_rx_queue, 1, &port_conf);
1022 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
1025 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1026 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1029 /* init one TX queue */
1032 printf("txq=%d,%d ", 0, socketid);
1034 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1035 socketid, &tx_conf);
1037 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
1038 "port=%d\n", ret, portid);
1043 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1044 if (rte_lcore_is_enabled(lcore_id) == 0)
1046 qconf = &lcore_conf[lcore_id];
1047 qconf->tx_queue_id = 0;
1049 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1051 /* init RX queues */
1052 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1053 portid = qconf->rx_queue_list[queue].port_id;
1054 queueid = qconf->rx_queue_list[queue].queue_id;
1057 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
1061 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1064 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1065 socketid, &rx_conf, pktmbuf_pool[socketid]);
1067 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
1068 "port=%d\n", ret, portid);
1074 for (portid = 0; portid < nb_ports; portid++) {
1075 if ((enabled_port_mask & (1 << portid)) == 0) {
1079 ret = rte_eth_dev_start(portid);
1081 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1084 printf("done: Port %d\n", portid);
1088 /* launch per-lcore init on every lcore */
1089 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1090 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1091 if (rte_eal_wait_lcore(lcore_id) < 0)