1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
10 #include <sys/param.h>
12 #include <sys/queue.h>
17 #include <rte_common.h>
18 #include <rte_byteorder.h>
20 #include <rte_memory.h>
21 #include <rte_memcpy.h>
23 #include <rte_launch.h>
24 #include <rte_atomic.h>
25 #include <rte_cycles.h>
26 #include <rte_prefetch.h>
27 #include <rte_lcore.h>
28 #include <rte_per_lcore.h>
29 #include <rte_branch_prediction.h>
30 #include <rte_interrupts.h>
31 #include <rte_random.h>
32 #include <rte_debug.h>
33 #include <rte_ether.h>
34 #include <rte_ethdev.h>
35 #include <rte_mempool.h>
40 #include <rte_string_fns.h>
42 #include <rte_ip_frag.h>
44 #define RTE_LOGTYPE_IP_FRAG RTE_LOGTYPE_USER1
46 /* allow max jumbo frame 9.5 KB */
47 #define JUMBO_FRAME_MAX_SIZE 0x2600
49 #define ROUNDUP_DIV(a, b) (((a) + (b) - 1) / (b))
52 * Default byte size for the IPv6 Maximum Transfer Unit (MTU).
53 * This value includes the size of IPv6 header.
55 #define IPV4_MTU_DEFAULT ETHER_MTU
56 #define IPV6_MTU_DEFAULT ETHER_MTU
59 * Default payload in bytes for the IPv6 packet.
61 #define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct ipv4_hdr))
62 #define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct ipv6_hdr))
65 * Max number of fragments per packet expected - defined by config file.
67 #define MAX_PACKET_FRAG RTE_LIBRTE_IP_FRAG_MAX_FRAG
71 #define MAX_PKT_BURST 32
72 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
74 /* Configure how many packets ahead to prefetch, when reading packets */
75 #define PREFETCH_OFFSET 3
78 * Configurable number of RX/TX ring descriptors
80 #define RTE_TEST_RX_DESC_DEFAULT 1024
81 #define RTE_TEST_TX_DESC_DEFAULT 1024
82 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
83 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
85 /* ethernet addresses of ports */
86 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
89 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
90 #define IPv4_BYTES(addr) \
91 (uint8_t) (((addr) >> 24) & 0xFF),\
92 (uint8_t) (((addr) >> 16) & 0xFF),\
93 (uint8_t) (((addr) >> 8) & 0xFF),\
94 (uint8_t) ((addr) & 0xFF)
98 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
99 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
100 #define IPv6_BYTES(addr) \
101 addr[0], addr[1], addr[2], addr[3], \
102 addr[4], addr[5], addr[6], addr[7], \
103 addr[8], addr[9], addr[10], addr[11],\
104 addr[12], addr[13],addr[14], addr[15]
107 #define IPV6_ADDR_LEN 16
109 /* mask of enabled ports */
110 static int enabled_port_mask = 0;
112 static int rx_queue_per_lcore = 1;
114 #define MBUF_TABLE_SIZE (2 * MAX(MAX_PKT_BURST, MAX_PACKET_FRAG))
118 struct rte_mbuf *m_table[MBUF_TABLE_SIZE];
122 struct rte_mempool *direct_pool;
123 struct rte_mempool *indirect_pool;
125 struct rte_lpm6 *lpm6;
129 #define MAX_RX_QUEUE_PER_LCORE 16
130 #define MAX_TX_QUEUE_PER_PORT 16
131 struct lcore_queue_conf {
133 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
134 struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
135 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
136 } __rte_cache_aligned;
137 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
139 static struct rte_eth_conf port_conf = {
141 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
143 .ignore_offload_bitfield = 1,
144 .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
145 DEV_RX_OFFLOAD_JUMBO_FRAME |
146 DEV_RX_OFFLOAD_CRC_STRIP),
149 .mq_mode = ETH_MQ_TX_NONE,
150 .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
151 DEV_TX_OFFLOAD_MULTI_SEGS),
156 * IPv4 forwarding table
158 struct l3fwd_ipv4_route {
164 struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
165 {IPv4(100,10,0,0), 16, 0},
166 {IPv4(100,20,0,0), 16, 1},
167 {IPv4(100,30,0,0), 16, 2},
168 {IPv4(100,40,0,0), 16, 3},
169 {IPv4(100,50,0,0), 16, 4},
170 {IPv4(100,60,0,0), 16, 5},
171 {IPv4(100,70,0,0), 16, 6},
172 {IPv4(100,80,0,0), 16, 7},
176 * IPv6 forwarding table
179 struct l3fwd_ipv6_route {
180 uint8_t ip[IPV6_ADDR_LEN];
185 static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = {
186 {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
187 {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
188 {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
189 {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
190 {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
191 {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
192 {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
193 {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
196 #define LPM_MAX_RULES 1024
197 #define LPM6_MAX_RULES 1024
198 #define LPM6_NUMBER_TBL8S (1 << 16)
200 struct rte_lpm6_config lpm6_config = {
201 .max_rules = LPM6_MAX_RULES,
202 .number_tbl8s = LPM6_NUMBER_TBL8S,
206 static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES];
207 static struct rte_mempool *socket_indirect_pool[RTE_MAX_NUMA_NODES];
208 static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
209 static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
211 /* Send burst of packets on an output interface */
213 send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint16_t port)
215 struct rte_mbuf **m_table;
219 queueid = qconf->tx_queue_id[port];
220 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
222 ret = rte_eth_tx_burst(port, queueid, m_table, n);
223 if (unlikely(ret < n)) {
225 rte_pktmbuf_free(m_table[ret]);
233 l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
234 uint8_t queueid, uint16_t port_in)
236 struct rx_queue *rxq;
237 uint32_t i, len, next_hop;
243 rxq = &qconf->rx_queue_list[queueid];
245 /* by default, send everything back to the source port */
248 /* Remove the Ethernet header and trailer from the input packet */
249 rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr));
251 /* Build transmission burst */
252 len = qconf->tx_mbufs[port_out].len;
254 /* if this is an IPv4 packet */
255 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
256 struct ipv4_hdr *ip_hdr;
258 /* Read the lookup key (i.e. ip_dst) from the input packet */
259 ip_hdr = rte_pktmbuf_mtod(m, struct ipv4_hdr *);
260 ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
262 /* Find destination port */
263 if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
264 (enabled_port_mask & 1 << next_hop) != 0) {
267 /* Build transmission burst for new port */
268 len = qconf->tx_mbufs[port_out].len;
271 /* if we don't need to do any fragmentation */
272 if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) {
273 qconf->tx_mbufs[port_out].m_table[len] = m;
276 len2 = rte_ipv4_fragment_packet(m,
277 &qconf->tx_mbufs[port_out].m_table[len],
278 (uint16_t)(MBUF_TABLE_SIZE - len),
280 rxq->direct_pool, rxq->indirect_pool);
282 /* Free input packet */
285 /* If we fail to fragment the packet */
286 if (unlikely (len2 < 0))
289 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
290 /* if this is an IPv6 packet */
291 struct ipv6_hdr *ip_hdr;
295 /* Read the lookup key (i.e. ip_dst) from the input packet */
296 ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *);
298 /* Find destination port */
299 if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
301 (enabled_port_mask & 1 << next_hop) != 0) {
304 /* Build transmission burst for new port */
305 len = qconf->tx_mbufs[port_out].len;
308 /* if we don't need to do any fragmentation */
309 if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) {
310 qconf->tx_mbufs[port_out].m_table[len] = m;
313 len2 = rte_ipv6_fragment_packet(m,
314 &qconf->tx_mbufs[port_out].m_table[len],
315 (uint16_t)(MBUF_TABLE_SIZE - len),
317 rxq->direct_pool, rxq->indirect_pool);
319 /* Free input packet */
322 /* If we fail to fragment the packet */
323 if (unlikely (len2 < 0))
327 /* else, just forward the packet */
329 qconf->tx_mbufs[port_out].m_table[len] = m;
333 for (i = len; i < len + len2; i ++) {
336 m = qconf->tx_mbufs[port_out].m_table[i];
337 struct ether_hdr *eth_hdr = (struct ether_hdr *)
338 rte_pktmbuf_prepend(m, (uint16_t)sizeof(struct ether_hdr));
339 if (eth_hdr == NULL) {
340 rte_panic("No headroom in mbuf.\n");
343 m->l2_len = sizeof(struct ether_hdr);
345 /* 02:00:00:00:00:xx */
346 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
347 *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)port_out << 40);
350 ether_addr_copy(&ports_eth_addr[port_out], ð_hdr->s_addr);
352 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
354 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
359 if (likely(len < MAX_PKT_BURST)) {
360 qconf->tx_mbufs[port_out].len = (uint16_t)len;
364 /* Transmit packets */
365 send_burst(qconf, (uint16_t)len, port_out);
366 qconf->tx_mbufs[port_out].len = 0;
369 /* main processing loop */
371 main_loop(__attribute__((unused)) void *dummy)
373 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
375 uint64_t prev_tsc, diff_tsc, cur_tsc;
378 struct lcore_queue_conf *qconf;
379 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
383 lcore_id = rte_lcore_id();
384 qconf = &lcore_queue_conf[lcore_id];
386 if (qconf->n_rx_queue == 0) {
387 RTE_LOG(INFO, IP_FRAG, "lcore %u has nothing to do\n", lcore_id);
391 RTE_LOG(INFO, IP_FRAG, "entering main loop on lcore %u\n", lcore_id);
393 for (i = 0; i < qconf->n_rx_queue; i++) {
395 portid = qconf->rx_queue_list[i].portid;
396 RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id,
402 cur_tsc = rte_rdtsc();
405 * TX burst queue drain
407 diff_tsc = cur_tsc - prev_tsc;
408 if (unlikely(diff_tsc > drain_tsc)) {
411 * This could be optimized (use queueid instead of
412 * portid), but it is not called so often
414 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
415 if (qconf->tx_mbufs[portid].len == 0)
417 send_burst(&lcore_queue_conf[lcore_id],
418 qconf->tx_mbufs[portid].len,
420 qconf->tx_mbufs[portid].len = 0;
427 * Read packet from RX queues
429 for (i = 0; i < qconf->n_rx_queue; i++) {
431 portid = qconf->rx_queue_list[i].portid;
432 nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
435 /* Prefetch first packets */
436 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
437 rte_prefetch0(rte_pktmbuf_mtod(
438 pkts_burst[j], void *));
441 /* Prefetch and forward already prefetched packets */
442 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
443 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
444 j + PREFETCH_OFFSET], void *));
445 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
448 /* Forward remaining prefetched packets */
449 for (; j < nb_rx; j++) {
450 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
458 print_usage(const char *prgname)
460 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
461 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
462 " -q NQ: number of queue (=ports) per lcore (default is 1)\n",
467 parse_portmask(const char *portmask)
472 /* parse hexadecimal string */
473 pm = strtoul(portmask, &end, 16);
474 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
484 parse_nqueue(const char *q_arg)
489 /* parse hexadecimal string */
490 n = strtoul(q_arg, &end, 10);
491 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
495 if (n >= MAX_RX_QUEUE_PER_LCORE)
501 /* Parse the argument given in the command line of the application */
503 parse_args(int argc, char **argv)
508 char *prgname = argv[0];
509 static struct option lgopts[] = {
515 while ((opt = getopt_long(argc, argvopt, "p:q:",
516 lgopts, &option_index)) != EOF) {
521 enabled_port_mask = parse_portmask(optarg);
522 if (enabled_port_mask < 0) {
523 printf("invalid portmask\n");
524 print_usage(prgname);
531 rx_queue_per_lcore = parse_nqueue(optarg);
532 if (rx_queue_per_lcore < 0) {
533 printf("invalid queue number\n");
534 print_usage(prgname);
541 print_usage(prgname);
545 print_usage(prgname);
550 if (enabled_port_mask == 0) {
551 printf("portmask not specified\n");
552 print_usage(prgname);
557 argv[optind-1] = prgname;
560 optind = 1; /* reset getopt lib */
565 print_ethaddr(const char *name, struct ether_addr *eth_addr)
567 char buf[ETHER_ADDR_FMT_SIZE];
568 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
569 printf("%s%s", name, buf);
572 /* Check the link status of all ports in up to 9s, and print them finally */
574 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
576 #define CHECK_INTERVAL 100 /* 100ms */
577 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
579 uint8_t count, all_ports_up, print_flag = 0;
580 struct rte_eth_link link;
582 printf("\nChecking link status");
584 for (count = 0; count <= MAX_CHECK_TIME; count++) {
586 for (portid = 0; portid < port_num; portid++) {
587 if ((port_mask & (1 << portid)) == 0)
589 memset(&link, 0, sizeof(link));
590 rte_eth_link_get_nowait(portid, &link);
591 /* print link status if flag set */
592 if (print_flag == 1) {
593 if (link.link_status)
595 "Port%d Link Up .Speed %u Mbps - %s\n",
596 portid, link.link_speed,
597 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
598 ("full-duplex") : ("half-duplex\n"));
600 printf("Port %d Link Down\n", portid);
603 /* clear all_ports_up flag if any link down */
604 if (link.link_status == ETH_LINK_DOWN) {
609 /* after finally printing all link status, get out */
613 if (all_ports_up == 0) {
616 rte_delay_ms(CHECK_INTERVAL);
619 /* set the print_flag if all ports up or timeout */
620 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
627 /* Check L3 packet type detection capablity of the NIC port */
629 check_ptype(int portid)
632 int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
633 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
635 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
639 uint32_t ptypes[ret];
641 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
642 for (i = 0; i < ret; ++i) {
643 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
645 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
649 if (ptype_l3_ipv4 == 0)
650 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
652 if (ptype_l3_ipv6 == 0)
653 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
655 if (ptype_l3_ipv4 && ptype_l3_ipv6)
662 /* Parse packet type of a packet by SW */
664 parse_ptype(struct rte_mbuf *m)
666 struct ether_hdr *eth_hdr;
667 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
670 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
671 ether_type = eth_hdr->ether_type;
672 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
673 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
674 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
675 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
677 m->packet_type = packet_type;
680 /* callback function to detect packet type for a queue of a port */
682 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
683 struct rte_mbuf *pkts[], uint16_t nb_pkts,
684 uint16_t max_pkts __rte_unused,
685 void *user_param __rte_unused)
689 for (i = 0; i < nb_pkts; ++i)
690 parse_ptype(pkts[i]);
696 init_routing_table(void)
699 struct rte_lpm6 *lpm6;
703 for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
704 if (socket_lpm[socket]) {
705 lpm = socket_lpm[socket];
706 /* populate the LPM table */
707 for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
708 ret = rte_lpm_add(lpm,
709 l3fwd_ipv4_route_array[i].ip,
710 l3fwd_ipv4_route_array[i].depth,
711 l3fwd_ipv4_route_array[i].if_out);
714 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
719 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv4_BYTES_FMT
722 IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
723 l3fwd_ipv4_route_array[i].depth,
724 l3fwd_ipv4_route_array[i].if_out);
728 if (socket_lpm6[socket]) {
729 lpm6 = socket_lpm6[socket];
730 /* populate the LPM6 table */
731 for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
732 ret = rte_lpm6_add(lpm6,
733 l3fwd_ipv6_route_array[i].ip,
734 l3fwd_ipv6_route_array[i].depth,
735 l3fwd_ipv6_route_array[i].if_out);
738 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
743 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv6_BYTES_FMT
746 IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
747 l3fwd_ipv6_route_array[i].depth,
748 l3fwd_ipv6_route_array[i].if_out);
759 struct rte_mempool *mp;
761 struct rte_lpm6 *lpm6;
762 struct rte_lpm_config lpm_config;
766 /* traverse through lcores and initialize structures on each socket */
768 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
770 if (rte_lcore_is_enabled(lcore_id) == 0)
773 socket = rte_lcore_to_socket_id(lcore_id);
775 if (socket == SOCKET_ID_ANY)
778 if (socket_direct_pool[socket] == NULL) {
779 RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n",
781 snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
783 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32,
784 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket);
786 RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n");
789 socket_direct_pool[socket] = mp;
792 if (socket_indirect_pool[socket] == NULL) {
793 RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n",
795 snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
797 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0,
800 RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n");
803 socket_indirect_pool[socket] = mp;
806 if (socket_lpm[socket] == NULL) {
807 RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket);
808 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
810 lpm_config.max_rules = LPM_MAX_RULES;
811 lpm_config.number_tbl8s = 256;
812 lpm_config.flags = 0;
814 lpm = rte_lpm_create(buf, socket, &lpm_config);
816 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
819 socket_lpm[socket] = lpm;
822 if (socket_lpm6[socket] == NULL) {
823 RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket);
824 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
826 lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
828 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
831 socket_lpm6[socket] = lpm6;
839 main(int argc, char **argv)
841 struct lcore_queue_conf *qconf;
842 struct rte_eth_dev_info dev_info;
843 struct rte_eth_txconf *txconf;
844 struct rx_queue *rxq;
847 uint16_t queueid = 0;
848 unsigned lcore_id = 0, rx_lcore_id = 0;
849 uint32_t n_tx_queue, nb_lcores;
853 ret = rte_eal_init(argc, argv);
855 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
859 /* parse application arguments (after the EAL ones) */
860 ret = parse_args(argc, argv);
862 rte_exit(EXIT_FAILURE, "Invalid arguments");
864 nb_ports = rte_eth_dev_count();
866 rte_exit(EXIT_FAILURE, "No ports found!\n");
868 nb_lcores = rte_lcore_count();
870 /* initialize structures (mempools, lpm etc.) */
872 rte_panic("Cannot initialize memory structures!\n");
874 /* check if portmask has non-existent ports */
875 if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
876 rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
878 /* initialize all ports */
879 for (portid = 0; portid < nb_ports; portid++) {
880 struct rte_eth_conf local_port_conf = port_conf;
881 struct rte_eth_rxconf rxq_conf;
883 /* skip ports that are not enabled */
884 if ((enabled_port_mask & (1 << portid)) == 0) {
885 printf("Skipping disabled port %d\n", portid);
889 qconf = &lcore_queue_conf[rx_lcore_id];
891 /* limit the frame size to the maximum supported by NIC */
892 rte_eth_dev_info_get(portid, &dev_info);
893 local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
894 dev_info.max_rx_pktlen,
895 local_port_conf.rxmode.max_rx_pkt_len);
897 /* get the lcore_id for this port */
898 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
899 qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
902 if (rx_lcore_id >= RTE_MAX_LCORE)
903 rte_exit(EXIT_FAILURE, "Not enough cores\n");
905 qconf = &lcore_queue_conf[rx_lcore_id];
908 socket = (int) rte_lcore_to_socket_id(rx_lcore_id);
909 if (socket == SOCKET_ID_ANY)
912 rxq = &qconf->rx_queue_list[qconf->n_rx_queue];
913 rxq->portid = portid;
914 rxq->direct_pool = socket_direct_pool[socket];
915 rxq->indirect_pool = socket_indirect_pool[socket];
916 rxq->lpm = socket_lpm[socket];
917 rxq->lpm6 = socket_lpm6[socket];
921 printf("Initializing port %d on lcore %u...", portid,
925 n_tx_queue = nb_lcores;
926 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
927 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
928 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
929 local_port_conf.txmode.offloads |=
930 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
931 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
935 rte_exit(EXIT_FAILURE, "Cannot configure device: "
940 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
944 rte_exit(EXIT_FAILURE, "Cannot adjust number of "
945 "descriptors: err=%d, port=%d\n", ret, portid);
948 /* init one RX queue */
949 rxq_conf = dev_info.default_rxconf;
950 rxq_conf.offloads = local_port_conf.rxmode.offloads;
951 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
953 socket_direct_pool[socket]);
956 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
961 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
962 print_ethaddr(" Address:", &ports_eth_addr[portid]);
965 /* init one TX queue per couple (lcore,port) */
967 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
968 if (rte_lcore_is_enabled(lcore_id) == 0)
971 socket = (int) rte_lcore_to_socket_id(lcore_id);
972 printf("txq=%u,%d ", lcore_id, queueid);
975 txconf = &dev_info.default_txconf;
976 txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
977 txconf->offloads = local_port_conf.txmode.offloads;
978 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
982 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
983 "err=%d, port=%d\n", ret, portid);
986 qconf = &lcore_queue_conf[lcore_id];
987 qconf->tx_queue_id[portid] = queueid;
997 for (portid = 0; portid < nb_ports; portid++) {
998 if ((enabled_port_mask & (1 << portid)) == 0) {
1002 ret = rte_eth_dev_start(portid);
1004 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1007 rte_eth_promiscuous_enable(portid);
1009 if (check_ptype(portid) == 0) {
1010 rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL);
1011 printf("Add Rx callback function to detect L3 packet type by SW :"
1012 " port = %d\n", portid);
1016 if (init_routing_table() < 0)
1017 rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
1019 check_all_ports_link_status(nb_ports, enabled_port_mask);
1021 /* launch per-lcore init on every lcore */
1022 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1023 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1024 if (rte_eal_wait_lcore(lcore_id) < 0)