4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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38 #include <sys/types.h>
40 #include <sys/queue.h>
45 #include <sys/param.h>
47 #include <rte_common.h>
48 #include <rte_byteorder.h>
50 #include <rte_memory.h>
51 #include <rte_memcpy.h>
53 #include <rte_launch.h>
54 #include <rte_atomic.h>
55 #include <rte_cycles.h>
56 #include <rte_prefetch.h>
57 #include <rte_lcore.h>
58 #include <rte_per_lcore.h>
59 #include <rte_branch_prediction.h>
60 #include <rte_interrupts.h>
61 #include <rte_random.h>
62 #include <rte_debug.h>
63 #include <rte_ether.h>
64 #include <rte_ethdev.h>
65 #include <rte_mempool.h>
67 #include <rte_malloc.h>
71 #include <rte_string_fns.h>
75 #include <rte_ip_frag.h>
77 #define MAX_PKT_BURST 32
80 #define RTE_LOGTYPE_IP_RSMBL RTE_LOGTYPE_USER1
82 #define MAX_JUMBO_PKT_LEN 9600
84 #define BUF_SIZE RTE_MBUF_DEFAULT_DATAROOM
85 #define MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE
88 #define MEMPOOL_CACHE_SIZE 256
90 /* allow max jumbo frame 9.5 KB */
91 #define JUMBO_FRAME_MAX_SIZE 0x2600
93 #define MAX_FLOW_NUM UINT16_MAX
94 #define MIN_FLOW_NUM 1
95 #define DEF_FLOW_NUM 0x1000
97 /* TTL numbers are in ms. */
98 #define MAX_FLOW_TTL (3600 * MS_PER_S)
99 #define MIN_FLOW_TTL 1
100 #define DEF_FLOW_TTL MS_PER_S
102 #define MAX_FRAG_NUM RTE_LIBRTE_IP_FRAG_MAX_FRAG
104 /* Should be power of two. */
105 #define IP_FRAG_TBL_BUCKET_ENTRIES 16
107 static uint32_t max_flow_num = DEF_FLOW_NUM;
108 static uint32_t max_flow_ttl = DEF_FLOW_TTL;
110 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
114 /* Configure how many packets ahead to prefetch, when reading packets */
115 #define PREFETCH_OFFSET 3
118 * Configurable number of RX/TX ring descriptors
120 #define RTE_TEST_RX_DESC_DEFAULT 128
121 #define RTE_TEST_TX_DESC_DEFAULT 512
123 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
124 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
126 /* ethernet addresses of ports */
127 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
130 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
131 #define IPv4_BYTES(addr) \
132 (uint8_t) (((addr) >> 24) & 0xFF),\
133 (uint8_t) (((addr) >> 16) & 0xFF),\
134 (uint8_t) (((addr) >> 8) & 0xFF),\
135 (uint8_t) ((addr) & 0xFF)
139 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
140 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
141 #define IPv6_BYTES(addr) \
142 addr[0], addr[1], addr[2], addr[3], \
143 addr[4], addr[5], addr[6], addr[7], \
144 addr[8], addr[9], addr[10], addr[11],\
145 addr[12], addr[13],addr[14], addr[15]
148 #define IPV6_ADDR_LEN 16
150 /* mask of enabled ports */
151 static uint32_t enabled_port_mask = 0;
153 static int rx_queue_per_lcore = 1;
159 struct rte_mbuf *m_table[0];
163 struct rte_ip_frag_tbl *frag_tbl;
164 struct rte_mempool *pool;
166 struct rte_lpm6 *lpm6;
170 struct tx_lcore_stat {
177 #define MAX_RX_QUEUE_PER_LCORE 16
178 #define MAX_TX_QUEUE_PER_PORT 16
179 #define MAX_RX_QUEUE_PER_PORT 128
181 struct lcore_queue_conf {
183 struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
184 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
185 struct rte_ip_frag_death_row death_row;
186 struct mbuf_table *tx_mbufs[RTE_MAX_ETHPORTS];
187 struct tx_lcore_stat tx_stat;
188 } __rte_cache_aligned;
189 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
191 static struct rte_eth_conf port_conf = {
193 .mq_mode = ETH_MQ_RX_RSS,
194 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
196 .header_split = 0, /**< Header Split disabled */
197 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
198 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
199 .jumbo_frame = 1, /**< Jumbo Frame Support disabled */
200 .hw_strip_crc = 1, /**< CRC stripped by hardware */
205 .rss_hf = ETH_RSS_IP,
209 .mq_mode = ETH_MQ_TX_NONE,
214 * IPv4 forwarding table
216 struct l3fwd_ipv4_route {
222 struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
223 {IPv4(100,10,0,0), 16, 0},
224 {IPv4(100,20,0,0), 16, 1},
225 {IPv4(100,30,0,0), 16, 2},
226 {IPv4(100,40,0,0), 16, 3},
227 {IPv4(100,50,0,0), 16, 4},
228 {IPv4(100,60,0,0), 16, 5},
229 {IPv4(100,70,0,0), 16, 6},
230 {IPv4(100,80,0,0), 16, 7},
234 * IPv6 forwarding table
237 struct l3fwd_ipv6_route {
238 uint8_t ip[IPV6_ADDR_LEN];
243 static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = {
244 {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
245 {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
246 {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
247 {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
248 {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
249 {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
250 {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
251 {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
254 #define LPM_MAX_RULES 1024
255 #define LPM6_MAX_RULES 1024
256 #define LPM6_NUMBER_TBL8S (1 << 16)
258 struct rte_lpm6_config lpm6_config = {
259 .max_rules = LPM6_MAX_RULES,
260 .number_tbl8s = LPM6_NUMBER_TBL8S,
264 static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
265 static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
267 #ifdef RTE_LIBRTE_IP_FRAG_TBL_STAT
268 #define TX_LCORE_STAT_UPDATE(s, f, v) ((s)->f += (v))
270 #define TX_LCORE_STAT_UPDATE(s, f, v) do {} while (0)
271 #endif /* RTE_LIBRTE_IP_FRAG_TBL_STAT */
274 * If number of queued packets reached given threahold, then
275 * send burst of packets on an output interface.
277 static inline uint32_t
278 send_burst(struct lcore_queue_conf *qconf, uint32_t thresh, uint16_t port)
280 uint32_t fill, len, k, n;
281 struct mbuf_table *txmb;
283 txmb = qconf->tx_mbufs[port];
286 if ((int32_t)(fill = txmb->head - txmb->tail) < 0)
289 if (fill >= thresh) {
290 n = RTE_MIN(len - txmb->tail, fill);
292 k = rte_eth_tx_burst(port, qconf->tx_queue_id[port],
293 txmb->m_table + txmb->tail, (uint16_t)n);
295 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, call, 1);
296 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, send, k);
299 if ((txmb->tail += k) == len)
306 /* Enqueue a single packet, and send burst if queue is filled */
308 send_single_packet(struct rte_mbuf *m, uint16_t port)
310 uint32_t fill, lcore_id, len;
311 struct lcore_queue_conf *qconf;
312 struct mbuf_table *txmb;
314 lcore_id = rte_lcore_id();
315 qconf = &lcore_queue_conf[lcore_id];
317 txmb = qconf->tx_mbufs[port];
320 fill = send_burst(qconf, MAX_PKT_BURST, port);
322 if (fill == len - 1) {
323 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, drop, 1);
324 rte_pktmbuf_free(txmb->m_table[txmb->tail]);
325 if (++txmb->tail == len)
329 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, queue, 1);
330 txmb->m_table[txmb->head] = m;
331 if(++txmb->head == len)
338 reassemble(struct rte_mbuf *m, uint16_t portid, uint32_t queue,
339 struct lcore_queue_conf *qconf, uint64_t tms)
341 struct ether_hdr *eth_hdr;
342 struct rte_ip_frag_tbl *tbl;
343 struct rte_ip_frag_death_row *dr;
344 struct rx_queue *rxq;
349 rxq = &qconf->rx_queue_list[queue];
351 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
355 /* if packet is IPv4 */
356 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
357 struct ipv4_hdr *ip_hdr;
360 ip_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
362 /* if it is a fragmented packet, then try to reassemble. */
363 if (rte_ipv4_frag_pkt_is_fragmented(ip_hdr)) {
367 dr = &qconf->death_row;
369 /* prepare mbuf: setup l2_len/l3_len. */
370 m->l2_len = sizeof(*eth_hdr);
371 m->l3_len = sizeof(*ip_hdr);
373 /* process this fragment. */
374 mo = rte_ipv4_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr);
376 /* no packet to send out. */
379 /* we have our packet reassembled. */
382 eth_hdr = rte_pktmbuf_mtod(m,
384 ip_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
387 ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
389 /* Find destination port */
390 if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
391 (enabled_port_mask & 1 << next_hop) != 0) {
395 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
396 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
397 /* if packet is IPv6 */
398 struct ipv6_extension_fragment *frag_hdr;
399 struct ipv6_hdr *ip_hdr;
401 ip_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
403 frag_hdr = rte_ipv6_frag_get_ipv6_fragment_header(ip_hdr);
405 if (frag_hdr != NULL) {
409 dr = &qconf->death_row;
411 /* prepare mbuf: setup l2_len/l3_len. */
412 m->l2_len = sizeof(*eth_hdr);
413 m->l3_len = sizeof(*ip_hdr) + sizeof(*frag_hdr);
415 mo = rte_ipv6_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr, frag_hdr);
421 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
422 ip_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
426 /* Find destination port */
427 if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
429 (enabled_port_mask & 1 << next_hop) != 0) {
433 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
435 /* if packet wasn't IPv4 or IPv6, it's forwarded to the port it came from */
437 /* 02:00:00:00:00:xx */
438 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
439 *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)dst_port << 40);
442 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
444 send_single_packet(m, dst_port);
447 /* main processing loop */
449 main_loop(__attribute__((unused)) void *dummy)
451 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
453 uint64_t diff_tsc, cur_tsc, prev_tsc;
456 struct lcore_queue_conf *qconf;
457 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
461 lcore_id = rte_lcore_id();
462 qconf = &lcore_queue_conf[lcore_id];
464 if (qconf->n_rx_queue == 0) {
465 RTE_LOG(INFO, IP_RSMBL, "lcore %u has nothing to do\n", lcore_id);
469 RTE_LOG(INFO, IP_RSMBL, "entering main loop on lcore %u\n", lcore_id);
471 for (i = 0; i < qconf->n_rx_queue; i++) {
473 portid = qconf->rx_queue_list[i].portid;
474 RTE_LOG(INFO, IP_RSMBL, " -- lcoreid=%u portid=%u\n", lcore_id,
480 cur_tsc = rte_rdtsc();
483 * TX burst queue drain
485 diff_tsc = cur_tsc - prev_tsc;
486 if (unlikely(diff_tsc > drain_tsc)) {
489 * This could be optimized (use queueid instead of
490 * portid), but it is not called so often
492 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
493 if ((enabled_port_mask & (1 << portid)) != 0)
494 send_burst(qconf, 1, portid);
501 * Read packet from RX queues
503 for (i = 0; i < qconf->n_rx_queue; ++i) {
505 portid = qconf->rx_queue_list[i].portid;
507 nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
510 /* Prefetch first packets */
511 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
512 rte_prefetch0(rte_pktmbuf_mtod(
513 pkts_burst[j], void *));
516 /* Prefetch and forward already prefetched packets */
517 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
518 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
519 j + PREFETCH_OFFSET], void *));
520 reassemble(pkts_burst[j], portid,
524 /* Forward remaining prefetched packets */
525 for (; j < nb_rx; j++) {
526 reassemble(pkts_burst[j], portid,
530 rte_ip_frag_free_death_row(&qconf->death_row,
538 print_usage(const char *prgname)
540 printf("%s [EAL options] -- -p PORTMASK [-q NQ]"
541 " [--max-pkt-len PKTLEN]"
542 " [--maxflows=<flows>] [--flowttl=<ttl>[(s|ms)]]\n"
543 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
544 " -q NQ: number of RX queues per lcore\n"
545 " --maxflows=<flows>: optional, maximum number of flows "
547 " --flowttl=<ttl>[(s|ms)]: optional, maximum TTL for each "
553 parse_flow_num(const char *str, uint32_t min, uint32_t max, uint32_t *val)
558 /* parse decimal string */
560 v = strtoul(str, &end, 10);
561 if (errno != 0 || *end != '\0')
564 if (v < min || v > max)
572 parse_flow_ttl(const char *str, uint32_t min, uint32_t max, uint32_t *val)
577 static const char frmt_sec[] = "s";
578 static const char frmt_msec[] = "ms";
580 /* parse decimal string */
582 v = strtoul(str, &end, 10);
587 if (strncmp(frmt_sec, end, sizeof(frmt_sec)) == 0)
589 else if (strncmp(frmt_msec, end, sizeof (frmt_msec)) != 0)
593 if (v < min || v > max)
601 parse_portmask(const char *portmask)
606 /* parse hexadecimal string */
607 pm = strtoul(portmask, &end, 16);
608 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
618 parse_nqueue(const char *q_arg)
623 printf("%p\n", q_arg);
625 /* parse hexadecimal string */
626 n = strtoul(q_arg, &end, 10);
627 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
631 if (n >= MAX_RX_QUEUE_PER_LCORE)
637 /* Parse the argument given in the command line of the application */
639 parse_args(int argc, char **argv)
644 char *prgname = argv[0];
645 static struct option lgopts[] = {
646 {"max-pkt-len", 1, 0, 0},
647 {"maxflows", 1, 0, 0},
648 {"flowttl", 1, 0, 0},
654 while ((opt = getopt_long(argc, argvopt, "p:q:",
655 lgopts, &option_index)) != EOF) {
660 enabled_port_mask = parse_portmask(optarg);
661 if (enabled_port_mask == 0) {
662 printf("invalid portmask\n");
663 print_usage(prgname);
670 rx_queue_per_lcore = parse_nqueue(optarg);
671 if (rx_queue_per_lcore < 0) {
672 printf("invalid queue number\n");
673 print_usage(prgname);
680 if (!strncmp(lgopts[option_index].name,
682 if ((ret = parse_flow_num(optarg, MIN_FLOW_NUM,
684 &max_flow_num)) != 0) {
685 printf("invalid value: \"%s\" for "
688 lgopts[option_index].name);
689 print_usage(prgname);
694 if (!strncmp(lgopts[option_index].name, "flowttl", 7)) {
695 if ((ret = parse_flow_ttl(optarg, MIN_FLOW_TTL,
697 &max_flow_ttl)) != 0) {
698 printf("invalid value: \"%s\" for "
701 lgopts[option_index].name);
702 print_usage(prgname);
710 print_usage(prgname);
716 argv[optind-1] = prgname;
719 optind = 1; /* reset getopt lib */
724 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
726 char buf[ETHER_ADDR_FMT_SIZE];
727 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
728 printf("%s%s", name, buf);
731 /* Check the link status of all ports in up to 9s, and print them finally */
733 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
735 #define CHECK_INTERVAL 100 /* 100ms */
736 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
738 uint8_t count, all_ports_up, print_flag = 0;
739 struct rte_eth_link link;
741 printf("\nChecking link status");
743 for (count = 0; count <= MAX_CHECK_TIME; count++) {
745 for (portid = 0; portid < port_num; portid++) {
746 if ((port_mask & (1 << portid)) == 0)
748 memset(&link, 0, sizeof(link));
749 rte_eth_link_get_nowait(portid, &link);
750 /* print link status if flag set */
751 if (print_flag == 1) {
752 if (link.link_status)
754 "Port%d Link Up. Speed %u Mbps - %s\n",
755 portid, link.link_speed,
756 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
757 ("full-duplex") : ("half-duplex\n"));
759 printf("Port %d Link Down\n", portid);
762 /* clear all_ports_up flag if any link down */
763 if (link.link_status == ETH_LINK_DOWN) {
768 /* after finally printing all link status, get out */
772 if (all_ports_up == 0) {
775 rte_delay_ms(CHECK_INTERVAL);
778 /* set the print_flag if all ports up or timeout */
779 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
787 init_routing_table(void)
790 struct rte_lpm6 *lpm6;
794 for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
795 if (socket_lpm[socket]) {
796 lpm = socket_lpm[socket];
797 /* populate the LPM table */
798 for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
799 ret = rte_lpm_add(lpm,
800 l3fwd_ipv4_route_array[i].ip,
801 l3fwd_ipv4_route_array[i].depth,
802 l3fwd_ipv4_route_array[i].if_out);
805 RTE_LOG(ERR, IP_RSMBL, "Unable to add entry %i to the l3fwd "
810 RTE_LOG(INFO, IP_RSMBL, "Socket %i: adding route " IPv4_BYTES_FMT
813 IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
814 l3fwd_ipv4_route_array[i].depth,
815 l3fwd_ipv4_route_array[i].if_out);
819 if (socket_lpm6[socket]) {
820 lpm6 = socket_lpm6[socket];
821 /* populate the LPM6 table */
822 for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
823 ret = rte_lpm6_add(lpm6,
824 l3fwd_ipv6_route_array[i].ip,
825 l3fwd_ipv6_route_array[i].depth,
826 l3fwd_ipv6_route_array[i].if_out);
829 RTE_LOG(ERR, IP_RSMBL, "Unable to add entry %i to the l3fwd "
834 RTE_LOG(INFO, IP_RSMBL, "Socket %i: adding route " IPv6_BYTES_FMT
837 IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
838 l3fwd_ipv6_route_array[i].depth,
839 l3fwd_ipv6_route_array[i].if_out);
847 setup_port_tbl(struct lcore_queue_conf *qconf, uint32_t lcore, int socket,
850 struct mbuf_table *mtb;
854 n = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST);
855 sz = sizeof (*mtb) + sizeof (mtb->m_table[0]) * n;
857 if ((mtb = rte_zmalloc_socket(__func__, sz, RTE_CACHE_LINE_SIZE,
859 RTE_LOG(ERR, IP_RSMBL, "%s() for lcore: %u, port: %u "
860 "failed to allocate %zu bytes\n",
861 __func__, lcore, port, sz);
866 qconf->tx_mbufs[port] = mtb;
872 setup_queue_tbl(struct rx_queue *rxq, uint32_t lcore, uint32_t queue)
876 uint64_t frag_cycles;
877 char buf[RTE_MEMPOOL_NAMESIZE];
879 socket = rte_lcore_to_socket_id(lcore);
880 if (socket == SOCKET_ID_ANY)
883 frag_cycles = (rte_get_tsc_hz() + MS_PER_S - 1) / MS_PER_S *
886 if ((rxq->frag_tbl = rte_ip_frag_table_create(max_flow_num,
887 IP_FRAG_TBL_BUCKET_ENTRIES, max_flow_num, frag_cycles,
889 RTE_LOG(ERR, IP_RSMBL, "ip_frag_tbl_create(%u) on "
890 "lcore: %u for queue: %u failed\n",
891 max_flow_num, lcore, queue);
896 * At any given moment up to <max_flow_num * (MAX_FRAG_NUM)>
897 * mbufs could be stored int the fragment table.
898 * Plus, each TX queue can hold up to <max_flow_num> packets.
901 nb_mbuf = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST) * MAX_FRAG_NUM;
902 nb_mbuf *= (port_conf.rxmode.max_rx_pkt_len + BUF_SIZE - 1) / BUF_SIZE;
903 nb_mbuf *= 2; /* ipv4 and ipv6 */
904 nb_mbuf += nb_rxd + nb_txd;
906 nb_mbuf = RTE_MAX(nb_mbuf, (uint32_t)NB_MBUF);
908 snprintf(buf, sizeof(buf), "mbuf_pool_%u_%u", lcore, queue);
910 rxq->pool = rte_pktmbuf_pool_create(buf, nb_mbuf, MEMPOOL_CACHE_SIZE, 0,
911 MBUF_DATA_SIZE, socket);
912 if (rxq->pool == NULL) {
913 RTE_LOG(ERR, IP_RSMBL,
914 "rte_pktmbuf_pool_create(%s) failed", buf);
926 struct rte_lpm6 *lpm6;
927 struct rte_lpm_config lpm_config;
931 /* traverse through lcores and initialize structures on each socket */
933 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
935 if (rte_lcore_is_enabled(lcore_id) == 0)
938 socket = rte_lcore_to_socket_id(lcore_id);
940 if (socket == SOCKET_ID_ANY)
943 if (socket_lpm[socket] == NULL) {
944 RTE_LOG(INFO, IP_RSMBL, "Creating LPM table on socket %i\n", socket);
945 snprintf(buf, sizeof(buf), "IP_RSMBL_LPM_%i", socket);
947 lpm_config.max_rules = LPM_MAX_RULES;
948 lpm_config.number_tbl8s = 256;
949 lpm_config.flags = 0;
951 lpm = rte_lpm_create(buf, socket, &lpm_config);
953 RTE_LOG(ERR, IP_RSMBL, "Cannot create LPM table\n");
956 socket_lpm[socket] = lpm;
959 if (socket_lpm6[socket] == NULL) {
960 RTE_LOG(INFO, IP_RSMBL, "Creating LPM6 table on socket %i\n", socket);
961 snprintf(buf, sizeof(buf), "IP_RSMBL_LPM_%i", socket);
963 lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
965 RTE_LOG(ERR, IP_RSMBL, "Cannot create LPM table\n");
968 socket_lpm6[socket] = lpm6;
976 queue_dump_stat(void)
979 const struct lcore_queue_conf *qconf;
981 for (lcore = 0; lcore < RTE_MAX_LCORE; lcore++) {
982 if (rte_lcore_is_enabled(lcore) == 0)
985 qconf = &lcore_queue_conf[lcore];
986 for (i = 0; i < qconf->n_rx_queue; i++) {
988 fprintf(stdout, " -- lcoreid=%u portid=%u "
990 lcore, qconf->rx_queue_list[i].portid);
991 rte_ip_frag_table_statistics_dump(stdout,
992 qconf->rx_queue_list[i].frag_tbl);
993 fprintf(stdout, "TX bursts:\t%" PRIu64 "\n"
994 "TX packets _queued:\t%" PRIu64 "\n"
995 "TX packets dropped:\t%" PRIu64 "\n"
996 "TX packets send:\t%" PRIu64 "\n",
998 qconf->tx_stat.queue,
1000 qconf->tx_stat.send);
1006 signal_handler(int signum)
1009 if (signum != SIGUSR1)
1010 rte_exit(0, "received signal: %d, exiting\n", signum);
1014 main(int argc, char **argv)
1016 struct lcore_queue_conf *qconf;
1017 struct rte_eth_dev_info dev_info;
1018 struct rte_eth_txconf *txconf;
1019 struct rx_queue *rxq;
1023 unsigned lcore_id = 0, rx_lcore_id = 0;
1024 uint32_t n_tx_queue, nb_lcores;
1028 ret = rte_eal_init(argc, argv);
1030 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1034 /* parse application arguments (after the EAL ones) */
1035 ret = parse_args(argc, argv);
1037 rte_exit(EXIT_FAILURE, "Invalid IP reassembly parameters\n");
1039 nb_ports = rte_eth_dev_count();
1041 rte_exit(EXIT_FAILURE, "No ports found!\n");
1043 nb_lcores = rte_lcore_count();
1045 /* initialize structures (mempools, lpm etc.) */
1047 rte_panic("Cannot initialize memory structures!\n");
1049 /* check if portmask has non-existent ports */
1050 if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
1051 rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
1053 /* initialize all ports */
1054 for (portid = 0; portid < nb_ports; portid++) {
1055 /* skip ports that are not enabled */
1056 if ((enabled_port_mask & (1 << portid)) == 0) {
1057 printf("\nSkipping disabled port %d\n", portid);
1061 qconf = &lcore_queue_conf[rx_lcore_id];
1063 /* limit the frame size to the maximum supported by NIC */
1064 rte_eth_dev_info_get(portid, &dev_info);
1065 port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
1066 dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
1068 /* get the lcore_id for this port */
1069 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1070 qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
1073 if (rx_lcore_id >= RTE_MAX_LCORE)
1074 rte_exit(EXIT_FAILURE, "Not enough cores\n");
1076 qconf = &lcore_queue_conf[rx_lcore_id];
1079 socket = rte_lcore_to_socket_id(portid);
1080 if (socket == SOCKET_ID_ANY)
1083 queueid = qconf->n_rx_queue;
1084 rxq = &qconf->rx_queue_list[queueid];
1085 rxq->portid = portid;
1086 rxq->lpm = socket_lpm[socket];
1087 rxq->lpm6 = socket_lpm6[socket];
1089 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1092 rte_exit(EXIT_FAILURE,
1093 "Cannot adjust number of descriptors: err=%d, port=%d\n",
1096 if (setup_queue_tbl(rxq, rx_lcore_id, queueid) < 0)
1097 rte_exit(EXIT_FAILURE, "Failed to set up queue table\n");
1098 qconf->n_rx_queue++;
1101 printf("Initializing port %d ... ", portid );
1104 n_tx_queue = nb_lcores;
1105 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1106 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1107 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
1111 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1112 "err=%d, port=%d\n",
1116 /* init one RX queue */
1117 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1122 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
1123 "err=%d, port=%d\n",
1127 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1128 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1131 /* init one TX queue per couple (lcore,port) */
1133 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1134 if (rte_lcore_is_enabled(lcore_id) == 0)
1137 socket = (int) rte_lcore_to_socket_id(lcore_id);
1139 printf("txq=%u,%d,%d ", lcore_id, queueid, socket);
1142 txconf = &dev_info.default_txconf;
1143 txconf->txq_flags = 0;
1145 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1148 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
1149 "port=%d\n", ret, portid);
1151 qconf = &lcore_queue_conf[lcore_id];
1152 qconf->tx_queue_id[portid] = queueid;
1153 setup_port_tbl(qconf, lcore_id, socket, portid);
1162 for (portid = 0; portid < nb_ports; portid++) {
1163 if ((enabled_port_mask & (1 << portid)) == 0) {
1167 ret = rte_eth_dev_start(portid);
1169 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1172 rte_eth_promiscuous_enable(portid);
1175 if (init_routing_table() < 0)
1176 rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
1178 check_all_ports_link_status(nb_ports, enabled_port_mask);
1180 signal(SIGUSR1, signal_handler);
1181 signal(SIGTERM, signal_handler);
1182 signal(SIGINT, signal_handler);
1184 /* launch per-lcore init on every lcore */
1185 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1186 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1187 if (rte_eal_wait_lcore(lcore_id) < 0)