4 * Copyright(c) 2010-2012 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
17 * * Neither the name of Intel Corporation nor the names of its
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
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
33 * version: DPDK.L.1.2.3-3
40 #include <sys/types.h>
42 #include <sys/queue.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_memory.h>
51 #include <rte_memcpy.h>
52 #include <rte_memzone.h>
53 #include <rte_tailq.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
70 #include <rte_mempool.h>
75 #include <rte_string_fns.h>
79 #define APP_LOOKUP_EXACT_MATCH 0
80 #define APP_LOOKUP_LPM 1
81 #define DO_RFC_1812_CHECKS
83 //#define APP_LOOKUP_METHOD APP_LOOKUP_EXACT_MATCH
84 #ifndef APP_LOOKUP_METHOD
85 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
88 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
90 #include <rte_hash_crc.h>
91 #include <rte_jhash.h>
92 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
95 #error "APP_LOOKUP_METHOD set to incorrect value"
98 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
102 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
106 * RX and TX Prefetch, Host, and Write-back threshold values should be
107 * carefully set for optimal performance. Consult the network
108 * controller's datasheet and supporting DPDK documentation for guidance
109 * on how these parameters should be set.
111 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
112 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
113 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
116 * These default values are optimized for use with the Intel(R) 82599 10 GbE
117 * Controller and the DPDK ixgbe PMD. Consider using other values for other
118 * network controllers and/or network drivers.
120 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
121 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
122 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
124 #define MAX_PKT_BURST 32
125 #define BURST_TX_DRAIN 200000ULL /* around 100us at 2 Ghz */
131 /* Configure how many packets ahead to prefetch, when reading packets */
132 #define PREFETCH_OFFSET 3
135 * Configurable number of RX/TX ring descriptors
137 #define RTE_TEST_RX_DESC_DEFAULT 128
138 #define RTE_TEST_TX_DESC_DEFAULT 512
139 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
140 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
142 /* ethernet addresses of ports */
143 static struct ether_addr ports_eth_addr[MAX_PORTS];
145 /* mask of enabled ports */
146 static uint32_t enabled_port_mask = 0;
147 static int numa_on = 1; /**< NUMA is enabled by default. */
151 struct rte_mbuf *m_table[MAX_PKT_BURST];
154 struct lcore_rx_queue {
157 } __rte_cache_aligned;
159 #define MAX_RX_QUEUE_PER_LCORE 16
160 #define MAX_TX_QUEUE_PER_PORT 1
161 #define MAX_RX_QUEUE_PER_PORT 1
163 #define MAX_LCORE_PARAMS 1024
164 struct lcore_params {
168 } __rte_cache_aligned;
170 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
171 static struct lcore_params lcore_params_array_default[] = {
183 static struct lcore_params * lcore_params = lcore_params_array_default;
184 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
185 sizeof(lcore_params_array_default[0]);
187 static struct rte_eth_conf port_conf = {
190 .header_split = 0, /**< Header Split disabled */
191 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
192 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
193 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
194 .hw_strip_crc = 1, /**< CRC stripped by hardware */
199 .rss_hf = ETH_RSS_IPV4,
206 static const struct rte_eth_rxconf rx_conf = {
208 .pthresh = RX_PTHRESH,
209 .hthresh = RX_HTHRESH,
210 .wthresh = RX_WTHRESH,
214 static const struct rte_eth_txconf tx_conf = {
216 .pthresh = TX_PTHRESH,
217 .hthresh = TX_HTHRESH,
218 .wthresh = TX_WTHRESH,
220 .tx_free_thresh = 0, /* Use PMD default values */
221 .tx_rs_thresh = 0, /* Use PMD default values */
224 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
227 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
234 } __attribute__((__packed__));
237 struct ipv4_5tuple key;
241 static struct l3fwd_route l3fwd_route_array[] = {
242 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
243 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
244 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
245 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
248 typedef struct rte_hash lookup_struct_t;
249 static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
251 #define L3FWD_HASH_ENTRIES 1024
252 struct rte_hash_parameters l3fwd_hash_params = {
253 .name = "l3fwd_hash_0",
254 .entries = L3FWD_HASH_ENTRIES,
256 .key_len = sizeof(struct ipv4_5tuple),
257 .hash_func = rte_hash_crc,
258 .hash_func_init_val = 0,
259 .socket_id = SOCKET0,
262 #define L3FWD_NUM_ROUTES \
263 (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
265 static uint8_t l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
268 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
275 static struct l3fwd_route l3fwd_route_array[] = {
276 {IPv4(1,1,1,0), 24, 0},
277 {IPv4(2,1,1,0), 24, 1},
278 {IPv4(3,1,1,0), 24, 2},
279 {IPv4(4,1,1,0), 24, 3},
280 {IPv4(5,1,1,0), 24, 4},
281 {IPv4(6,1,1,0), 24, 5},
282 {IPv4(7,1,1,0), 24, 6},
283 {IPv4(8,1,1,0), 24, 7},
286 #define L3FWD_NUM_ROUTES \
287 (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
289 #define L3FWD_LPM_MAX_RULES 1024
291 typedef struct rte_lpm lookup_struct_t;
292 static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
297 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
298 uint16_t tx_queue_id;
299 struct mbuf_table tx_mbufs[MAX_PORTS];
300 lookup_struct_t * lookup_struct;
301 } __rte_cache_aligned;
303 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
305 /* Send burst of packets on an output interface */
307 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
309 struct rte_mbuf **m_table;
313 queueid = qconf->tx_queue_id;
314 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
316 ret = rte_eth_tx_burst(port, queueid, m_table, n);
317 if (unlikely(ret < n)) {
319 rte_pktmbuf_free(m_table[ret]);
326 /* Enqueue a single packet, and send burst if queue is filled */
328 send_single_packet(struct rte_mbuf *m, uint8_t port)
332 struct lcore_conf *qconf;
334 lcore_id = rte_lcore_id();
336 qconf = &lcore_conf[lcore_id];
337 len = qconf->tx_mbufs[port].len;
338 qconf->tx_mbufs[port].m_table[len] = m;
341 /* enough pkts to be sent */
342 if (unlikely(len == MAX_PKT_BURST)) {
343 send_burst(qconf, MAX_PKT_BURST, port);
347 qconf->tx_mbufs[port].len = len;
351 #ifdef DO_RFC_1812_CHECKS
353 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
355 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
357 * 1. The packet length reported by the Link Layer must be large
358 * enough to hold the minimum length legal IP datagram (20 bytes).
360 if (link_len < sizeof(struct ipv4_hdr))
363 /* 2. The IP checksum must be correct. */
364 /* this is checked in H/W */
367 * 3. The IP version number must be 4. If the version number is not 4
368 * then the packet may be another version of IP, such as IPng or
371 if (((pkt->version_ihl) >> 4) != 4)
374 * 4. The IP header length field must be large enough to hold the
375 * minimum length legal IP datagram (20 bytes = 5 words).
377 if ((pkt->version_ihl & 0xf) < 5)
381 * 5. The IP total length field must be large enough to hold the IP
382 * datagram header, whose length is specified in the IP header length
385 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
392 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
394 print_key(struct ipv4_5tuple key)
396 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, proto = %d\n",
397 (unsigned)key.ip_dst, (unsigned)key.ip_src, key.port_dst, key.port_src, key.proto);
400 static inline uint8_t
401 get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
403 struct ipv4_5tuple key;
408 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
409 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
410 key.proto = ipv4_hdr->next_proto_id;
412 switch (ipv4_hdr->next_proto_id) {
414 tcp = (struct tcp_hdr *)((unsigned char *) ipv4_hdr +
415 sizeof(struct ipv4_hdr));
416 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
417 key.port_src = rte_be_to_cpu_16(tcp->src_port);
421 udp = (struct udp_hdr *)((unsigned char *) ipv4_hdr +
422 sizeof(struct ipv4_hdr));
423 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
424 key.port_src = rte_be_to_cpu_16(udp->src_port);
432 /* Find destination port */
433 ret = rte_hash_lookup(l3fwd_lookup_struct, (const void *)&key);
434 return (uint8_t)((ret < 0)? portid : l3fwd_out_if[ret]);
438 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
439 static inline uint8_t
440 get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
444 return (uint8_t) ((rte_lpm_lookup(l3fwd_lookup_struct,
445 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
451 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
453 struct ether_hdr *eth_hdr;
454 struct ipv4_hdr *ipv4_hdr;
458 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
460 ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
461 sizeof(struct ether_hdr));
463 #ifdef DO_RFC_1812_CHECKS
464 /* Check to make sure the packet is valid (RFC1812) */
465 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt.pkt_len) < 0) {
471 dst_port = get_dst_port(ipv4_hdr, portid, l3fwd_lookup_struct);
472 if (dst_port >= MAX_PORTS || (enabled_port_mask & 1 << dst_port) == 0)
475 /* 00:09:c0:00:00:xx */
476 tmp = ð_hdr->d_addr.addr_bytes[0];
477 *((uint64_t *)tmp) = 0x000000c00900 + (dst_port << 24);
479 #ifdef DO_RFC_1812_CHECKS
480 /* Update time to live and header checksum */
481 --(ipv4_hdr->time_to_live);
482 ++(ipv4_hdr->hdr_checksum);
486 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
488 send_single_packet(m, dst_port);
492 /* main processing loop */
493 static __attribute__((noreturn)) int
494 main_loop(__attribute__((unused)) void *dummy)
496 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
498 uint64_t prev_tsc = 0;
499 uint64_t diff_tsc, cur_tsc;
501 uint8_t portid, queueid;
502 struct lcore_conf *qconf;
504 lcore_id = rte_lcore_id();
505 qconf = &lcore_conf[lcore_id];
507 if (qconf->n_rx_queue == 0) {
508 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
512 RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
514 for (i = 0; i < qconf->n_rx_queue; i++) {
516 portid = qconf->rx_queue_list[i].port_id;
517 queueid = qconf->rx_queue_list[i].queue_id;
518 RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", lcore_id,
524 cur_tsc = rte_rdtsc();
527 * TX burst queue drain
529 diff_tsc = cur_tsc - prev_tsc;
530 if (unlikely(diff_tsc > BURST_TX_DRAIN)) {
533 * This could be optimized (use queueid instead of
534 * portid), but it is not called so often
536 for (portid = 0; portid < MAX_PORTS; portid++) {
537 if (qconf->tx_mbufs[portid].len == 0)
539 send_burst(&lcore_conf[lcore_id],
540 qconf->tx_mbufs[portid].len,
542 qconf->tx_mbufs[portid].len = 0;
549 * Read packet from RX queues
551 for (i = 0; i < qconf->n_rx_queue; ++i) {
553 portid = qconf->rx_queue_list[i].port_id;
554 queueid = qconf->rx_queue_list[i].queue_id;
555 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, MAX_PKT_BURST);
557 /* Prefetch first packets */
558 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
559 rte_prefetch0(rte_pktmbuf_mtod(
560 pkts_burst[j], void *));
563 /* Prefetch and forward already prefetched packets */
564 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
565 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
566 j + PREFETCH_OFFSET], void *));
567 l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
570 /* Forward remaining prefetched packets */
571 for (; j < nb_rx; j++) {
572 l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
579 check_lcore_params(void)
581 uint8_t queue, lcore;
585 for (i = 0; i < nb_lcore_params; ++i) {
586 queue = lcore_params[i].queue_id;
587 if (queue >= MAX_RX_QUEUE_PER_PORT) {
588 printf("invalid queue number: %hhu\n", queue);
591 lcore = lcore_params[i].lcore_id;
592 if (!rte_lcore_is_enabled(lcore)) {
593 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
596 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
598 printf("warning: lcore %hhu is on socket %d with numa off \n",
606 check_port_config(const unsigned nb_ports)
611 for (i = 0; i < nb_lcore_params; ++i) {
612 portid = lcore_params[i].port_id;
613 if ((enabled_port_mask & (1 << portid)) == 0) {
614 printf("port %u is not enabled in port mask\n", portid);
617 if (portid >= nb_ports) {
618 printf("port %u is not present on the board\n", portid);
626 get_port_n_rx_queues(const uint8_t port)
631 for (i = 0; i < nb_lcore_params; ++i) {
632 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
633 queue = lcore_params[i].queue_id;
635 return (uint8_t)(++queue);
639 init_lcore_rx_queues(void)
641 uint16_t i, nb_rx_queue;
644 for (i = 0; i < nb_lcore_params; ++i) {
645 lcore = lcore_params[i].lcore_id;
646 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
647 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
648 printf("error: too many queues (%u) for lcore: %u\n",
649 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
652 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
653 lcore_params[i].port_id;
654 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
655 lcore_params[i].queue_id;
656 lcore_conf[lcore].n_rx_queue++;
664 print_usage(const char *prgname)
666 printf ("%s [EAL options] -- -p PORTMASK"
667 " [--config (port,queue,lcore)[,(port,queue,lcore]]\n"
668 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
669 " --config (port,queue,lcore): rx queues configuration\n"
670 " --no-numa: optional, disable numa awareness\n",
675 parse_portmask(const char *portmask)
680 /* parse hexadecimal string */
681 pm = strtoul(portmask, &end, 16);
682 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
692 parse_config(const char *q_arg)
695 const char *p, *p0 = q_arg;
703 unsigned long int_fld[_NUM_FLD];
704 char *str_fld[_NUM_FLD];
710 while ((p = strchr(p0,'(')) != NULL) {
712 if((p0 = strchr(p,')')) == NULL)
716 if(size >= sizeof(s))
719 rte_snprintf(s, sizeof(s), "%.*s", size, p);
720 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
722 for (i = 0; i < _NUM_FLD; i++){
724 int_fld[i] = strtoul(str_fld[i], &end, 0);
725 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
728 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
729 printf("exceeded max number of lcore params: %hu\n",
733 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
734 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
735 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
738 lcore_params = lcore_params_array;
742 /* Parse the argument given in the command line of the application */
744 parse_args(int argc, char **argv)
749 char *prgname = argv[0];
750 static struct option lgopts[] = {
752 {"no-numa", 0, 0, 0},
758 while ((opt = getopt_long(argc, argvopt, "p:",
759 lgopts, &option_index)) != EOF) {
764 enabled_port_mask = parse_portmask(optarg);
765 if (enabled_port_mask == 0) {
766 printf("invalid portmask\n");
767 print_usage(prgname);
774 if (!strcmp(lgopts[option_index].name, "config")) {
775 ret = parse_config(optarg);
777 printf("invalid config\n");
778 print_usage(prgname);
783 if (!strcmp(lgopts[option_index].name, "no-numa")) {
784 printf("numa is disabled \n");
790 print_usage(prgname);
796 argv[optind-1] = prgname;
799 optind = 0; /* reset getopt lib */
804 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
806 printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
807 eth_addr->addr_bytes[0],
808 eth_addr->addr_bytes[1],
809 eth_addr->addr_bytes[2],
810 eth_addr->addr_bytes[3],
811 eth_addr->addr_bytes[4],
812 eth_addr->addr_bytes[5]);
815 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
817 setup_hash(int socketid)
824 rte_snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid);
825 l3fwd_hash_params.name = s;
826 l3fwd_hash_params.socket_id = socketid;
827 l3fwd_lookup_struct[socketid] = rte_hash_create(&l3fwd_hash_params);
828 if (l3fwd_lookup_struct[socketid] == NULL)
829 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
830 "socket %d\n", socketid);
832 /* populate the hash */
833 for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
834 ret = rte_hash_add_key (l3fwd_lookup_struct[socketid],
835 (void *) &l3fwd_route_array[i].key);
837 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
838 "l3fwd hash on socket %d\n", i, socketid);
840 l3fwd_out_if[ret] = l3fwd_route_array[i].if_out;
841 printf("Hash: Adding key\n");
842 print_key(l3fwd_route_array[i].key);
847 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
849 setup_lpm(int socketid)
855 /* create the LPM table */
856 rte_snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid);
857 l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
858 L3FWD_LPM_MAX_RULES, RTE_LPM_MEMZONE);
859 if (l3fwd_lookup_struct[socketid] == NULL)
860 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
861 " on socket %d\n", socketid);
863 /* populate the LPM table */
864 for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
865 ret = rte_lpm_add(l3fwd_lookup_struct[socketid],
866 l3fwd_route_array[i].ip,
867 l3fwd_route_array[i].depth,
868 l3fwd_route_array[i].if_out);
871 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
872 "l3fwd LPM table on socket %d\n",
876 printf("LPM: Adding route 0x%08x / %d (%d)\n",
877 (unsigned)l3fwd_route_array[i].ip,
878 l3fwd_route_array[i].depth,
879 l3fwd_route_array[i].if_out);
887 struct lcore_conf *qconf;
892 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
893 if (rte_lcore_is_enabled(lcore_id) == 0)
897 socketid = rte_lcore_to_socket_id(lcore_id);
901 if (socketid >= NB_SOCKETS) {
902 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
903 socketid, lcore_id, NB_SOCKETS);
905 if (pktmbuf_pool[socketid] == NULL) {
906 rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
907 pktmbuf_pool[socketid] =
908 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
909 sizeof(struct rte_pktmbuf_pool_private),
910 rte_pktmbuf_pool_init, NULL,
911 rte_pktmbuf_init, NULL,
913 if (pktmbuf_pool[socketid] == NULL)
914 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n", socketid);
916 printf("Allocated mbuf pool on socket %d\n", socketid);
918 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
921 setup_hash(socketid);
924 qconf = &lcore_conf[lcore_id];
925 qconf->lookup_struct = l3fwd_lookup_struct[socketid];
931 MAIN(int argc, char **argv)
933 struct lcore_conf *qconf;
938 uint8_t portid, nb_rx_queue, queue, socketid;
941 ret = rte_eal_init(argc, argv);
943 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
947 /* parse application arguments (after the EAL ones) */
948 ret = parse_args(argc, argv);
950 rte_exit(EXIT_FAILURE, "Invalid L3FWD-VF parameters\n");
952 if (check_lcore_params() < 0)
953 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
955 ret = init_lcore_rx_queues();
957 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
961 rte_exit(EXIT_FAILURE, "init_mem failed\n");
964 #ifdef RTE_LIBRTE_IGB_PMD
965 if (rte_igb_pmd_init() < 0)
966 rte_exit(EXIT_FAILURE, "Cannot init igb pmd\n");
968 #ifdef RTE_LIBRTE_IXGBE_PMD
969 if (rte_ixgbe_pmd_init() < 0)
970 rte_exit(EXIT_FAILURE, "Cannot init ixgbe pmd\n");
972 if (rte_ixgbevf_pmd_init() < 0)
973 rte_exit(EXIT_FAILURE, "Cannot init ixgbevf pmd\n");
976 if (rte_eal_pci_probe() < 0)
977 rte_exit(EXIT_FAILURE, "Cannot probe PCI\n");
979 nb_ports = rte_eth_dev_count();
980 if (nb_ports > MAX_PORTS)
981 nb_ports = MAX_PORTS;
983 if (check_port_config(nb_ports) < 0)
984 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
986 /* initialize all ports */
987 for (portid = 0; portid < nb_ports; portid++) {
988 /* skip ports that are not enabled */
989 if ((enabled_port_mask & (1 << portid)) == 0) {
990 printf("\nSkipping disabled port %d\n", portid);
995 printf("Initializing port %d ... ", portid );
998 /* must always equal(=1) */
999 nb_rx_queue = get_port_n_rx_queues(portid);
1001 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1002 nb_rx_queue, (unsigned)1 );
1003 ret = rte_eth_dev_configure(portid, nb_rx_queue, 1, &port_conf);
1005 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
1008 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1009 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1012 /* init one TX queue */
1015 printf("txq=%d,%d ", 0, socketid);
1017 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1018 socketid, &tx_conf);
1020 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
1021 "port=%d\n", ret, portid);
1026 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1027 if (rte_lcore_is_enabled(lcore_id) == 0)
1029 qconf = &lcore_conf[lcore_id];
1030 qconf->tx_queue_id = 0;
1032 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1034 /* init RX queues */
1035 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1036 portid = qconf->rx_queue_list[queue].port_id;
1037 queueid = qconf->rx_queue_list[queue].queue_id;
1040 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
1044 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1047 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1048 socketid, &rx_conf, pktmbuf_pool[socketid]);
1050 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
1051 "port=%d\n", ret, portid);
1057 for (portid = 0; portid < nb_ports; portid++) {
1058 if ((enabled_port_mask & (1 << portid)) == 0) {
1062 ret = rte_eth_dev_start(portid);
1064 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1067 printf("done: Port %d\n", portid);
1071 /* launch per-lcore init on every lcore */
1072 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1073 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1074 if (rte_eal_wait_lcore(lcore_id) < 0)