1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2021 Intel Corporation
11 #include <sys/queue.h>
18 #include <rte_common.h>
20 #include <rte_byteorder.h>
22 #include <rte_malloc.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
26 #include <rte_launch.h>
27 #include <rte_cycles.h>
28 #include <rte_prefetch.h>
29 #include <rte_lcore.h>
30 #include <rte_per_lcore.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_interrupts.h>
33 #include <rte_random.h>
34 #include <rte_debug.h>
35 #include <rte_ether.h>
36 #include <rte_mempool.h>
41 #include <rte_string_fns.h>
42 #include <rte_cpuflags.h>
44 #include <cmdline_parse.h>
45 #include <cmdline_parse_etheraddr.h>
48 #include "l3fwd_event.h"
49 #include "l3fwd_route.h"
51 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_LCORE
52 #define MAX_RX_QUEUE_PER_PORT 128
54 #define MAX_LCORE_PARAMS 1024
56 /* Static global variables used within this file. */
57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
60 /**< Ports set in promiscuous mode off by default. */
61 static int promiscuous_on;
63 /* Select Longest-Prefix, Exact match or Forwarding Information Base. */
64 enum L3FWD_LOOKUP_MODE {
70 static enum L3FWD_LOOKUP_MODE lookup_mode;
72 /* Global variables. */
74 static int numa_on = 1; /**< NUMA is enabled by default. */
75 static int parse_ptype; /**< Parse packet type using rx callback, and */
76 /**< disabled by default */
77 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
80 volatile bool force_quit;
82 /* ethernet addresses of ports */
83 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
84 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
86 xmm_t val_eth[RTE_MAX_ETHPORTS];
88 /* mask of enabled ports */
89 uint32_t enabled_port_mask;
91 /* Used only in exact match mode. */
92 int ipv6; /**< ipv6 is false by default. */
93 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
95 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
101 } __rte_cache_aligned;
103 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
104 static struct lcore_params lcore_params_array_default[] = {
116 static struct lcore_params * lcore_params = lcore_params_array_default;
117 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
118 sizeof(lcore_params_array_default[0]);
120 static struct rte_eth_conf port_conf = {
122 .mq_mode = RTE_ETH_MQ_RX_RSS,
124 .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM,
129 .rss_hf = RTE_ETH_RSS_IP,
133 .mq_mode = RTE_ETH_MQ_TX_NONE,
137 static uint32_t max_pkt_len;
139 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
140 static struct rte_mempool *vector_pool[RTE_MAX_ETHPORTS];
141 static uint8_t lkp_per_socket[NB_SOCKETS];
143 struct l3fwd_lkp_mode {
145 int (*check_ptype)(int);
146 rte_rx_callback_fn cb_parse_ptype;
147 int (*main_loop)(void *);
148 void* (*get_ipv4_lookup_struct)(int);
149 void* (*get_ipv6_lookup_struct)(int);
152 static struct l3fwd_lkp_mode l3fwd_lkp;
154 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
156 .check_ptype = em_check_ptype,
157 .cb_parse_ptype = em_cb_parse_ptype,
158 .main_loop = em_main_loop,
159 .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
160 .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
163 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
165 .check_ptype = lpm_check_ptype,
166 .cb_parse_ptype = lpm_cb_parse_ptype,
167 .main_loop = lpm_main_loop,
168 .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
169 .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
172 static struct l3fwd_lkp_mode l3fwd_fib_lkp = {
174 .check_ptype = lpm_check_ptype,
175 .cb_parse_ptype = lpm_cb_parse_ptype,
176 .main_loop = fib_main_loop,
177 .get_ipv4_lookup_struct = fib_get_ipv4_l3fwd_lookup_struct,
178 .get_ipv6_lookup_struct = fib_get_ipv6_l3fwd_lookup_struct,
182 * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735).
183 * 198.18.{0-7}.0/24 = Port {0-7}
185 const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
186 {RTE_IPV4(198, 18, 0, 0), 24, 0},
187 {RTE_IPV4(198, 18, 1, 0), 24, 1},
188 {RTE_IPV4(198, 18, 2, 0), 24, 2},
189 {RTE_IPV4(198, 18, 3, 0), 24, 3},
190 {RTE_IPV4(198, 18, 4, 0), 24, 4},
191 {RTE_IPV4(198, 18, 5, 0), 24, 5},
192 {RTE_IPV4(198, 18, 6, 0), 24, 6},
193 {RTE_IPV4(198, 18, 7, 0), 24, 7},
197 * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180).
198 * 2001:200:0:{0-7}::/64 = Port {0-7}
200 const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
201 {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0},
202 {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1},
203 {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2},
204 {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3},
205 {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4},
206 {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5},
207 {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6},
208 {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7},
212 * Setup lookup methods for forwarding.
213 * Currently exact-match, longest-prefix-match and forwarding information
214 * base are the supported ones.
217 setup_l3fwd_lookup_tables(void)
219 /* Setup HASH lookup functions. */
220 if (lookup_mode == L3FWD_LOOKUP_EM)
221 l3fwd_lkp = l3fwd_em_lkp;
222 /* Setup FIB lookup functions. */
223 else if (lookup_mode == L3FWD_LOOKUP_FIB)
224 l3fwd_lkp = l3fwd_fib_lkp;
225 /* Setup LPM lookup functions. */
227 l3fwd_lkp = l3fwd_lpm_lkp;
231 check_lcore_params(void)
233 uint8_t queue, lcore;
237 for (i = 0; i < nb_lcore_params; ++i) {
238 queue = lcore_params[i].queue_id;
239 if (queue >= MAX_RX_QUEUE_PER_PORT) {
240 printf("invalid queue number: %hhu\n", queue);
243 lcore = lcore_params[i].lcore_id;
244 if (!rte_lcore_is_enabled(lcore)) {
245 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
248 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
250 printf("warning: lcore %hhu is on socket %d with numa off \n",
258 check_port_config(void)
263 for (i = 0; i < nb_lcore_params; ++i) {
264 portid = lcore_params[i].port_id;
265 if ((enabled_port_mask & (1 << portid)) == 0) {
266 printf("port %u is not enabled in port mask\n", portid);
269 if (!rte_eth_dev_is_valid_port(portid)) {
270 printf("port %u is not present on the board\n", portid);
278 get_port_n_rx_queues(const uint16_t port)
283 for (i = 0; i < nb_lcore_params; ++i) {
284 if (lcore_params[i].port_id == port) {
285 if (lcore_params[i].queue_id == queue+1)
286 queue = lcore_params[i].queue_id;
288 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
289 " in sequence and must start with 0\n",
290 lcore_params[i].port_id);
293 return (uint8_t)(++queue);
297 init_lcore_rx_queues(void)
299 uint16_t i, nb_rx_queue;
302 for (i = 0; i < nb_lcore_params; ++i) {
303 lcore = lcore_params[i].lcore_id;
304 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
305 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
306 printf("error: too many queues (%u) for lcore: %u\n",
307 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
310 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
311 lcore_params[i].port_id;
312 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
313 lcore_params[i].queue_id;
314 lcore_conf[lcore].n_rx_queue++;
322 print_usage(const char *prgname)
324 fprintf(stderr, "%s [EAL options] --"
328 " --config (port,queue,lcore)[,(port,queue,lcore)]"
329 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
330 " [--max-pkt-len PKTLEN]"
332 " [--hash-entry-num]"
338 " [--event-vector [--event-vector-size SIZE] [--event-vector-tmo NS]]"
342 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
343 " -P : Enable promiscuous mode\n"
344 " --lookup: Select the lookup method\n"
346 " Accepted: em (Exact Match), lpm (Longest Prefix Match), fib (Forwarding Information Base)\n"
347 " --config (port,queue,lcore): Rx queue configuration\n"
348 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
349 " --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
350 " --no-numa: Disable numa awareness\n"
351 " --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
352 " --ipv6: Set if running ipv6 packets\n"
353 " --parse-ptype: Set to use software to analyze packet type\n"
354 " --per-port-pool: Use separate buffer pool per port\n"
355 " --mode: Packet transfer mode for I/O, poll or eventdev\n"
356 " Default mode = poll\n"
357 " --eventq-sched: Event queue synchronization method\n"
358 " ordered, atomic or parallel.\n"
360 " Valid only if --mode=eventdev\n"
361 " --event-eth-rxqs: Number of ethernet RX queues per device.\n"
363 " Valid only if --mode=eventdev\n"
364 " --event-vector: Enable event vectorization.\n"
365 " --event-vector-size: Max vector size if event vectorization is enabled.\n"
366 " --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled\n"
367 " -E : Enable exact match, legacy flag please use --lookup=em instead\n"
368 " -L : Enable longest prefix match, legacy flag please use --lookup=lpm instead\n\n",
373 parse_max_pkt_len(const char *pktlen)
378 /* parse decimal string */
379 len = strtoul(pktlen, &end, 10);
380 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
390 parse_portmask(const char *portmask)
395 /* parse hexadecimal string */
396 pm = strtoul(portmask, &end, 16);
397 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
404 parse_hash_entry_number(const char *hash_entry_num)
407 unsigned long hash_en;
408 /* parse hexadecimal string */
409 hash_en = strtoul(hash_entry_num, &end, 16);
410 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
420 parse_config(const char *q_arg)
423 const char *p, *p0 = q_arg;
431 unsigned long int_fld[_NUM_FLD];
432 char *str_fld[_NUM_FLD];
438 while ((p = strchr(p0,'(')) != NULL) {
440 if((p0 = strchr(p,')')) == NULL)
444 if(size >= sizeof(s))
447 snprintf(s, sizeof(s), "%.*s", size, p);
448 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
450 for (i = 0; i < _NUM_FLD; i++){
452 int_fld[i] = strtoul(str_fld[i], &end, 0);
453 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
456 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
457 printf("exceeded max number of lcore params: %hu\n",
461 lcore_params_array[nb_lcore_params].port_id =
462 (uint8_t)int_fld[FLD_PORT];
463 lcore_params_array[nb_lcore_params].queue_id =
464 (uint8_t)int_fld[FLD_QUEUE];
465 lcore_params_array[nb_lcore_params].lcore_id =
466 (uint8_t)int_fld[FLD_LCORE];
469 lcore_params = lcore_params_array;
474 parse_eth_dest(const char *optarg)
478 uint8_t c, *dest, peer_addr[6];
481 portid = strtoul(optarg, &port_end, 10);
482 if (errno != 0 || port_end == optarg || *port_end++ != ',')
483 rte_exit(EXIT_FAILURE,
484 "Invalid eth-dest: %s", optarg);
485 if (portid >= RTE_MAX_ETHPORTS)
486 rte_exit(EXIT_FAILURE,
487 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
488 portid, RTE_MAX_ETHPORTS);
490 if (cmdline_parse_etheraddr(NULL, port_end,
491 &peer_addr, sizeof(peer_addr)) < 0)
492 rte_exit(EXIT_FAILURE,
493 "Invalid ethernet address: %s\n",
495 dest = (uint8_t *)&dest_eth_addr[portid];
496 for (c = 0; c < 6; c++)
497 dest[c] = peer_addr[c];
498 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
502 parse_mode(const char *optarg)
504 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
506 if (!strcmp(optarg, "poll"))
507 evt_rsrc->enabled = false;
508 else if (!strcmp(optarg, "eventdev"))
509 evt_rsrc->enabled = true;
513 parse_eventq_sched(const char *optarg)
515 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
517 if (!strcmp(optarg, "ordered"))
518 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
519 if (!strcmp(optarg, "atomic"))
520 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
521 if (!strcmp(optarg, "parallel"))
522 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
526 parse_event_eth_rx_queues(const char *eth_rx_queues)
528 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
530 uint8_t num_eth_rx_queues;
532 /* parse decimal string */
533 num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
534 if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
537 if (num_eth_rx_queues == 0)
540 evt_rsrc->eth_rx_queues = num_eth_rx_queues;
544 parse_lookup(const char *optarg)
546 if (!strcmp(optarg, "em"))
547 lookup_mode = L3FWD_LOOKUP_EM;
548 else if (!strcmp(optarg, "lpm"))
549 lookup_mode = L3FWD_LOOKUP_LPM;
550 else if (!strcmp(optarg, "fib"))
551 lookup_mode = L3FWD_LOOKUP_FIB;
553 fprintf(stderr, "Invalid lookup option! Accepted options: em, lpm, fib\n");
559 #define MAX_JUMBO_PKT_LEN 9600
561 static const char short_options[] =
563 "P" /* promiscuous */
564 "L" /* legacy enable long prefix match */
565 "E" /* legacy enable exact match */
568 #define CMD_LINE_OPT_CONFIG "config"
569 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
570 #define CMD_LINE_OPT_NO_NUMA "no-numa"
571 #define CMD_LINE_OPT_IPV6 "ipv6"
572 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
573 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
574 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
575 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
576 #define CMD_LINE_OPT_MODE "mode"
577 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
578 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
579 #define CMD_LINE_OPT_LOOKUP "lookup"
580 #define CMD_LINE_OPT_ENABLE_VECTOR "event-vector"
581 #define CMD_LINE_OPT_VECTOR_SIZE "event-vector-size"
582 #define CMD_LINE_OPT_VECTOR_TMO_NS "event-vector-tmo"
585 /* long options mapped to a short option */
587 /* first long only option value must be >= 256, so that we won't
588 * conflict with short options */
589 CMD_LINE_OPT_MIN_NUM = 256,
590 CMD_LINE_OPT_CONFIG_NUM,
591 CMD_LINE_OPT_ETH_DEST_NUM,
592 CMD_LINE_OPT_NO_NUMA_NUM,
593 CMD_LINE_OPT_IPV6_NUM,
594 CMD_LINE_OPT_MAX_PKT_LEN_NUM,
595 CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
596 CMD_LINE_OPT_PARSE_PTYPE_NUM,
597 CMD_LINE_OPT_PARSE_PER_PORT_POOL,
598 CMD_LINE_OPT_MODE_NUM,
599 CMD_LINE_OPT_EVENTQ_SYNC_NUM,
600 CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
601 CMD_LINE_OPT_LOOKUP_NUM,
602 CMD_LINE_OPT_ENABLE_VECTOR_NUM,
603 CMD_LINE_OPT_VECTOR_SIZE_NUM,
604 CMD_LINE_OPT_VECTOR_TMO_NS_NUM
607 static const struct option lgopts[] = {
608 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
609 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
610 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
611 {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
612 {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM},
613 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
614 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
615 {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
616 {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
617 {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
618 {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
619 CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
620 {CMD_LINE_OPT_LOOKUP, 1, 0, CMD_LINE_OPT_LOOKUP_NUM},
621 {CMD_LINE_OPT_ENABLE_VECTOR, 0, 0, CMD_LINE_OPT_ENABLE_VECTOR_NUM},
622 {CMD_LINE_OPT_VECTOR_SIZE, 1, 0, CMD_LINE_OPT_VECTOR_SIZE_NUM},
623 {CMD_LINE_OPT_VECTOR_TMO_NS, 1, 0, CMD_LINE_OPT_VECTOR_TMO_NS_NUM},
628 * This expression is used to calculate the number of mbufs needed
629 * depending on user input, taking into account memory for rx and
630 * tx hardware rings, cache per lcore and mtable per port per lcore.
631 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
634 #define NB_MBUF(nports) RTE_MAX( \
635 (nports*nb_rx_queue*nb_rxd + \
636 nports*nb_lcores*MAX_PKT_BURST + \
637 nports*n_tx_queue*nb_txd + \
638 nb_lcores*MEMPOOL_CACHE_SIZE), \
641 /* Parse the argument given in the command line of the application */
643 parse_args(int argc, char **argv)
648 char *prgname = argv[0];
649 uint8_t lcore_params = 0;
650 uint8_t eventq_sched = 0;
651 uint8_t eth_rx_q = 0;
652 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
656 /* Error or normal output strings. */
657 while ((opt = getopt_long(argc, argvopt, short_options,
658 lgopts, &option_index)) != EOF) {
663 enabled_port_mask = parse_portmask(optarg);
664 if (enabled_port_mask == 0) {
665 fprintf(stderr, "Invalid portmask\n");
666 print_usage(prgname);
676 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
677 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
680 lookup_mode = L3FWD_LOOKUP_EM;
684 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
685 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
688 lookup_mode = L3FWD_LOOKUP_LPM;
692 case CMD_LINE_OPT_CONFIG_NUM:
693 ret = parse_config(optarg);
695 fprintf(stderr, "Invalid config\n");
696 print_usage(prgname);
702 case CMD_LINE_OPT_ETH_DEST_NUM:
703 parse_eth_dest(optarg);
706 case CMD_LINE_OPT_NO_NUMA_NUM:
710 case CMD_LINE_OPT_IPV6_NUM:
714 case CMD_LINE_OPT_MAX_PKT_LEN_NUM:
715 max_pkt_len = parse_max_pkt_len(optarg);
718 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
719 ret = parse_hash_entry_number(optarg);
720 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
721 hash_entry_number = ret;
723 fprintf(stderr, "invalid hash entry number\n");
724 print_usage(prgname);
729 case CMD_LINE_OPT_PARSE_PTYPE_NUM:
730 printf("soft parse-ptype is enabled\n");
734 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
735 printf("per port buffer pool is enabled\n");
739 case CMD_LINE_OPT_MODE_NUM:
743 case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
744 parse_eventq_sched(optarg);
748 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
749 parse_event_eth_rx_queues(optarg);
753 case CMD_LINE_OPT_LOOKUP_NUM:
754 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
755 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
758 ret = parse_lookup(optarg);
760 * If parse_lookup was passed an invalid lookup type
761 * then return -1. Error log included within
762 * parse_lookup for simplicity.
768 case CMD_LINE_OPT_ENABLE_VECTOR_NUM:
769 printf("event vectorization is enabled\n");
770 evt_rsrc->vector_enabled = 1;
772 case CMD_LINE_OPT_VECTOR_SIZE_NUM:
773 evt_rsrc->vector_size = strtol(optarg, NULL, 10);
775 case CMD_LINE_OPT_VECTOR_TMO_NS_NUM:
776 evt_rsrc->vector_tmo_ns = strtoull(optarg, NULL, 10);
779 print_usage(prgname);
784 if (evt_rsrc->enabled && lcore_params) {
785 fprintf(stderr, "lcore config is not valid when event mode is selected\n");
789 if (!evt_rsrc->enabled && eth_rx_q) {
790 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
794 if (!evt_rsrc->enabled && eventq_sched) {
795 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
799 if (evt_rsrc->vector_enabled && !evt_rsrc->vector_size) {
800 evt_rsrc->vector_size = VECTOR_SIZE_DEFAULT;
801 fprintf(stderr, "vector size set to default (%" PRIu16 ")\n",
802 evt_rsrc->vector_size);
805 if (evt_rsrc->vector_enabled && !evt_rsrc->vector_tmo_ns) {
806 evt_rsrc->vector_tmo_ns = VECTOR_TMO_NS_DEFAULT;
808 "vector timeout set to default (%" PRIu64 " ns)\n",
809 evt_rsrc->vector_tmo_ns);
813 * Nothing is selected, pick longest-prefix match
816 if (lookup_mode == L3FWD_LOOKUP_DEFAULT) {
817 fprintf(stderr, "Neither LPM, EM, or FIB selected, defaulting to LPM\n");
818 lookup_mode = L3FWD_LOOKUP_LPM;
822 * ipv6 and hash flags are valid only for
823 * exact match, reset them to default for
824 * longest-prefix match.
826 if (lookup_mode == L3FWD_LOOKUP_LPM) {
828 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
832 argv[optind-1] = prgname;
835 optind = 1; /* reset getopt lib */
840 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
842 char buf[RTE_ETHER_ADDR_FMT_SIZE];
843 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
844 printf("%s%s", name, buf);
848 init_mem(uint16_t portid, unsigned int nb_mbuf)
850 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
851 struct lcore_conf *qconf;
856 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
857 if (rte_lcore_is_enabled(lcore_id) == 0)
861 socketid = rte_lcore_to_socket_id(lcore_id);
865 if (socketid >= NB_SOCKETS) {
866 rte_exit(EXIT_FAILURE,
867 "Socket %d of lcore %u is out of range %d\n",
868 socketid, lcore_id, NB_SOCKETS);
871 if (pktmbuf_pool[portid][socketid] == NULL) {
872 snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
874 pktmbuf_pool[portid][socketid] =
875 rte_pktmbuf_pool_create(s, nb_mbuf,
876 MEMPOOL_CACHE_SIZE, 0,
877 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
878 if (pktmbuf_pool[portid][socketid] == NULL)
879 rte_exit(EXIT_FAILURE,
880 "Cannot init mbuf pool on socket %d\n",
883 printf("Allocated mbuf pool on socket %d\n",
886 /* Setup LPM, EM(f.e Hash) or FIB. But, only once per
889 if (!lkp_per_socket[socketid]) {
890 l3fwd_lkp.setup(socketid);
891 lkp_per_socket[socketid] = 1;
895 if (evt_rsrc->vector_enabled && vector_pool[portid] == NULL) {
898 nb_vec = (nb_mbuf + evt_rsrc->vector_size - 1) /
899 evt_rsrc->vector_size;
900 snprintf(s, sizeof(s), "vector_pool_%d", portid);
901 vector_pool[portid] = rte_event_vector_pool_create(
902 s, nb_vec, 0, evt_rsrc->vector_size, socketid);
903 if (vector_pool[portid] == NULL)
904 rte_exit(EXIT_FAILURE,
905 "Failed to create vector pool for port %d\n",
908 printf("Allocated vector pool for port %d\n",
912 qconf = &lcore_conf[lcore_id];
913 qconf->ipv4_lookup_struct =
914 l3fwd_lkp.get_ipv4_lookup_struct(socketid);
915 qconf->ipv6_lookup_struct =
916 l3fwd_lkp.get_ipv6_lookup_struct(socketid);
921 /* Check the link status of all ports in up to 9s, and print them finally */
923 check_all_ports_link_status(uint32_t port_mask)
925 #define CHECK_INTERVAL 100 /* 100ms */
926 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
928 uint8_t count, all_ports_up, print_flag = 0;
929 struct rte_eth_link link;
931 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
933 printf("\nChecking link status");
935 for (count = 0; count <= MAX_CHECK_TIME; count++) {
939 RTE_ETH_FOREACH_DEV(portid) {
942 if ((port_mask & (1 << portid)) == 0)
944 memset(&link, 0, sizeof(link));
945 ret = rte_eth_link_get_nowait(portid, &link);
949 printf("Port %u link get failed: %s\n",
950 portid, rte_strerror(-ret));
953 /* print link status if flag set */
954 if (print_flag == 1) {
955 rte_eth_link_to_str(link_status_text,
956 sizeof(link_status_text), &link);
957 printf("Port %d %s\n", portid,
961 /* clear all_ports_up flag if any link down */
962 if (link.link_status == RTE_ETH_LINK_DOWN) {
967 /* after finally printing all link status, get out */
971 if (all_ports_up == 0) {
974 rte_delay_ms(CHECK_INTERVAL);
977 /* set the print_flag if all ports up or timeout */
978 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
986 signal_handler(int signum)
988 if (signum == SIGINT || signum == SIGTERM) {
989 printf("\n\nSignal %d received, preparing to exit...\n",
996 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
999 printf("Port %d: softly parse packet type info\n", portid);
1000 if (rte_eth_add_rx_callback(portid, queueid,
1001 l3fwd_lkp.cb_parse_ptype,
1005 printf("Failed to add rx callback: port=%d\n", portid);
1009 if (l3fwd_lkp.check_ptype(portid))
1012 printf("port %d cannot parse packet type, please add --%s\n",
1013 portid, CMD_LINE_OPT_PARSE_PTYPE);
1018 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1020 uint32_t overhead_len;
1022 if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1023 overhead_len = max_rx_pktlen - max_mtu;
1025 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1027 return overhead_len;
1031 config_port_max_pkt_len(struct rte_eth_conf *conf,
1032 struct rte_eth_dev_info *dev_info)
1034 uint32_t overhead_len;
1036 if (max_pkt_len == 0)
1039 if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
1042 overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
1044 conf->rxmode.mtu = max_pkt_len - overhead_len;
1046 if (conf->rxmode.mtu > RTE_ETHER_MTU)
1047 conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
1053 l3fwd_poll_resource_setup(void)
1055 uint8_t nb_rx_queue, queue, socketid;
1056 struct rte_eth_dev_info dev_info;
1057 uint32_t n_tx_queue, nb_lcores;
1058 struct rte_eth_txconf *txconf;
1059 struct lcore_conf *qconf;
1060 uint16_t queueid, portid;
1061 unsigned int nb_ports;
1062 unsigned int lcore_id;
1065 if (check_lcore_params() < 0)
1066 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1068 ret = init_lcore_rx_queues();
1070 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1072 nb_ports = rte_eth_dev_count_avail();
1074 if (check_port_config() < 0)
1075 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1077 nb_lcores = rte_lcore_count();
1079 /* initialize all ports */
1080 RTE_ETH_FOREACH_DEV(portid) {
1081 struct rte_eth_conf local_port_conf = port_conf;
1083 /* skip ports that are not enabled */
1084 if ((enabled_port_mask & (1 << portid)) == 0) {
1085 printf("\nSkipping disabled port %d\n", portid);
1090 printf("Initializing port %d ... ", portid );
1093 nb_rx_queue = get_port_n_rx_queues(portid);
1094 n_tx_queue = nb_lcores;
1095 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1096 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1097 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1098 nb_rx_queue, (unsigned)n_tx_queue );
1100 ret = rte_eth_dev_info_get(portid, &dev_info);
1102 rte_exit(EXIT_FAILURE,
1103 "Error during getting device (port %u) info: %s\n",
1104 portid, strerror(-ret));
1106 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
1108 rte_exit(EXIT_FAILURE,
1109 "Invalid max packet length: %u (port %u)\n",
1110 max_pkt_len, portid);
1112 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
1113 local_port_conf.txmode.offloads |=
1114 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
1116 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1117 dev_info.flow_type_rss_offloads;
1119 if (dev_info.max_rx_queues == 1)
1120 local_port_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE;
1122 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1123 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1124 printf("Port %u modified RSS hash function based on hardware support,"
1125 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1127 port_conf.rx_adv_conf.rss_conf.rss_hf,
1128 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1131 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1132 (uint16_t)n_tx_queue, &local_port_conf);
1134 rte_exit(EXIT_FAILURE,
1135 "Cannot configure device: err=%d, port=%d\n",
1138 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1141 rte_exit(EXIT_FAILURE,
1142 "Cannot adjust number of descriptors: err=%d, "
1143 "port=%d\n", ret, portid);
1145 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1147 rte_exit(EXIT_FAILURE,
1148 "Cannot get MAC address: err=%d, port=%d\n",
1151 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1153 print_ethaddr("Destination:",
1154 (const struct rte_ether_addr *)&dest_eth_addr[portid]);
1158 * prepare src MACs for each port.
1160 rte_ether_addr_copy(&ports_eth_addr[portid],
1161 (struct rte_ether_addr *)(val_eth + portid) + 1);
1164 if (!per_port_pool) {
1165 /* portid = 0; this is *not* signifying the first port,
1166 * rather, it signifies that portid is ignored.
1168 ret = init_mem(0, NB_MBUF(nb_ports));
1170 ret = init_mem(portid, NB_MBUF(1));
1173 rte_exit(EXIT_FAILURE, "init_mem failed\n");
1175 /* init one TX queue per couple (lcore,port) */
1177 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1178 if (rte_lcore_is_enabled(lcore_id) == 0)
1183 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1187 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1190 txconf = &dev_info.default_txconf;
1191 txconf->offloads = local_port_conf.txmode.offloads;
1192 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1195 rte_exit(EXIT_FAILURE,
1196 "rte_eth_tx_queue_setup: err=%d, "
1197 "port=%d\n", ret, portid);
1199 qconf = &lcore_conf[lcore_id];
1200 qconf->tx_queue_id[portid] = queueid;
1203 qconf->tx_port_id[qconf->n_tx_port] = portid;
1209 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1210 if (rte_lcore_is_enabled(lcore_id) == 0)
1212 qconf = &lcore_conf[lcore_id];
1213 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1215 /* init RX queues */
1216 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1217 struct rte_eth_rxconf rxq_conf;
1219 portid = qconf->rx_queue_list[queue].port_id;
1220 queueid = qconf->rx_queue_list[queue].queue_id;
1224 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1228 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1231 ret = rte_eth_dev_info_get(portid, &dev_info);
1233 rte_exit(EXIT_FAILURE,
1234 "Error during getting device (port %u) info: %s\n",
1235 portid, strerror(-ret));
1237 rxq_conf = dev_info.default_rxconf;
1238 rxq_conf.offloads = port_conf.rxmode.offloads;
1240 ret = rte_eth_rx_queue_setup(portid, queueid,
1243 pktmbuf_pool[0][socketid]);
1245 ret = rte_eth_rx_queue_setup(portid, queueid,
1248 pktmbuf_pool[portid][socketid]);
1250 rte_exit(EXIT_FAILURE,
1251 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1258 l3fwd_service_enable(uint32_t service_id)
1260 uint8_t min_service_count = UINT8_MAX;
1261 uint32_t slcore_array[RTE_MAX_LCORE];
1262 unsigned int slcore = 0;
1263 uint8_t service_count;
1264 int32_t slcore_count;
1266 if (!rte_service_lcore_count())
1269 slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1270 if (slcore_count < 0)
1272 /* Get the core which has least number of services running. */
1273 while (slcore_count--) {
1274 /* Reset default mapping */
1275 if (rte_service_map_lcore_set(service_id,
1276 slcore_array[slcore_count], 0) != 0)
1278 service_count = rte_service_lcore_count_services(
1279 slcore_array[slcore_count]);
1280 if (service_count < min_service_count) {
1281 slcore = slcore_array[slcore_count];
1282 min_service_count = service_count;
1285 if (rte_service_map_lcore_set(service_id, slcore, 1))
1287 rte_service_lcore_start(slcore);
1293 l3fwd_event_service_setup(void)
1295 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1296 struct rte_event_dev_info evdev_info;
1297 uint32_t service_id, caps;
1300 rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1301 if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1302 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1304 if (ret != -ESRCH && ret != 0)
1305 rte_exit(EXIT_FAILURE,
1306 "Error in starting eventdev service\n");
1307 l3fwd_service_enable(service_id);
1310 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1311 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1312 evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1314 rte_exit(EXIT_FAILURE,
1315 "Failed to get Rx adapter[%d] caps\n",
1316 evt_rsrc->rx_adptr.rx_adptr[i]);
1317 ret = rte_event_eth_rx_adapter_service_id_get(
1318 evt_rsrc->event_d_id,
1320 if (ret != -ESRCH && ret != 0)
1321 rte_exit(EXIT_FAILURE,
1322 "Error in starting Rx adapter[%d] service\n",
1323 evt_rsrc->rx_adptr.rx_adptr[i]);
1324 l3fwd_service_enable(service_id);
1327 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1328 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1329 evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1331 rte_exit(EXIT_FAILURE,
1332 "Failed to get Rx adapter[%d] caps\n",
1333 evt_rsrc->tx_adptr.tx_adptr[i]);
1334 ret = rte_event_eth_tx_adapter_service_id_get(
1335 evt_rsrc->event_d_id,
1337 if (ret != -ESRCH && ret != 0)
1338 rte_exit(EXIT_FAILURE,
1339 "Error in starting Rx adapter[%d] service\n",
1340 evt_rsrc->tx_adptr.tx_adptr[i]);
1341 l3fwd_service_enable(service_id);
1346 main(int argc, char **argv)
1348 struct l3fwd_event_resources *evt_rsrc;
1349 struct lcore_conf *qconf;
1350 uint16_t queueid, portid;
1351 unsigned int lcore_id;
1356 ret = rte_eal_init(argc, argv);
1358 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1363 signal(SIGINT, signal_handler);
1364 signal(SIGTERM, signal_handler);
1366 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1367 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1368 dest_eth_addr[portid] =
1369 RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1370 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1373 evt_rsrc = l3fwd_get_eventdev_rsrc();
1374 /* parse application arguments (after the EAL ones) */
1375 ret = parse_args(argc, argv);
1377 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1379 /* Setup function pointers for lookup method. */
1380 setup_l3fwd_lookup_tables();
1382 evt_rsrc->per_port_pool = per_port_pool;
1383 evt_rsrc->pkt_pool = pktmbuf_pool;
1384 evt_rsrc->vec_pool = vector_pool;
1385 evt_rsrc->port_mask = enabled_port_mask;
1386 /* Configure eventdev parameters if user has requested */
1387 if (evt_rsrc->enabled) {
1388 l3fwd_event_resource_setup(&port_conf);
1389 if (lookup_mode == L3FWD_LOOKUP_EM)
1390 l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1391 else if (lookup_mode == L3FWD_LOOKUP_FIB)
1392 l3fwd_lkp.main_loop = evt_rsrc->ops.fib_event_loop;
1394 l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1395 l3fwd_event_service_setup();
1397 l3fwd_poll_resource_setup();
1400 RTE_ETH_FOREACH_DEV(portid) {
1401 if ((enabled_port_mask & (1 << portid)) == 0) {
1405 ret = rte_eth_dev_start(portid);
1407 rte_exit(EXIT_FAILURE,
1408 "rte_eth_dev_start: err=%d, port=%d\n",
1412 * If enabled, put device in promiscuous mode.
1413 * This allows IO forwarding mode to forward packets
1414 * to itself through 2 cross-connected ports of the
1417 if (promiscuous_on) {
1418 ret = rte_eth_promiscuous_enable(portid);
1420 rte_exit(EXIT_FAILURE,
1421 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
1422 rte_strerror(-ret), portid);
1428 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1429 if (rte_lcore_is_enabled(lcore_id) == 0)
1431 qconf = &lcore_conf[lcore_id];
1432 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1433 portid = qconf->rx_queue_list[queue].port_id;
1434 queueid = qconf->rx_queue_list[queue].queue_id;
1435 if (prepare_ptype_parser(portid, queueid) == 0)
1436 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1440 check_all_ports_link_status(enabled_port_mask);
1443 /* launch per-lcore init on every lcore */
1444 rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MAIN);
1445 if (evt_rsrc->enabled) {
1446 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1447 rte_event_eth_rx_adapter_stop(
1448 evt_rsrc->rx_adptr.rx_adptr[i]);
1449 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1450 rte_event_eth_tx_adapter_stop(
1451 evt_rsrc->tx_adptr.tx_adptr[i]);
1453 RTE_ETH_FOREACH_DEV(portid) {
1454 if ((enabled_port_mask & (1 << portid)) == 0)
1456 ret = rte_eth_dev_stop(portid);
1458 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1462 rte_eal_mp_wait_lcore();
1463 RTE_ETH_FOREACH_DEV(portid) {
1464 if ((enabled_port_mask & (1 << portid)) == 0)
1466 rte_eth_dev_close(portid);
1469 rte_event_dev_stop(evt_rsrc->event_d_id);
1470 rte_event_dev_close(evt_rsrc->event_d_id);
1473 rte_eal_mp_wait_lcore();
1475 RTE_ETH_FOREACH_DEV(portid) {
1476 if ((enabled_port_mask & (1 << portid)) == 0)
1478 printf("Closing port %d...", portid);
1479 ret = rte_eth_dev_stop(portid);
1481 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1483 rte_eth_dev_close(portid);
1488 /* clean up the EAL */