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 * The overhead from max frame size to MTU.
60 * We have to consider the max possible overhead.
62 #define MTU_OVERHEAD \
63 (ETHER_HDR_LEN + ETHER_CRC_LEN + 2 * sizeof(struct rte_vlan_hdr))
66 * Default payload in bytes for the IPv6 packet.
68 #define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct ipv4_hdr))
69 #define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct ipv6_hdr))
72 * Max number of fragments per packet expected - defined by config file.
74 #define MAX_PACKET_FRAG RTE_LIBRTE_IP_FRAG_MAX_FRAG
78 #define MAX_PKT_BURST 32
79 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
81 /* Configure how many packets ahead to prefetch, when reading packets */
82 #define PREFETCH_OFFSET 3
85 * Configurable number of RX/TX ring descriptors
87 #define RTE_TEST_RX_DESC_DEFAULT 1024
88 #define RTE_TEST_TX_DESC_DEFAULT 1024
89 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
90 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
92 /* ethernet addresses of ports */
93 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
96 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
97 #define IPv4_BYTES(addr) \
98 (uint8_t) (((addr) >> 24) & 0xFF),\
99 (uint8_t) (((addr) >> 16) & 0xFF),\
100 (uint8_t) (((addr) >> 8) & 0xFF),\
101 (uint8_t) ((addr) & 0xFF)
105 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
106 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
107 #define IPv6_BYTES(addr) \
108 addr[0], addr[1], addr[2], addr[3], \
109 addr[4], addr[5], addr[6], addr[7], \
110 addr[8], addr[9], addr[10], addr[11],\
111 addr[12], addr[13],addr[14], addr[15]
114 #define IPV6_ADDR_LEN 16
116 /* mask of enabled ports */
117 static int enabled_port_mask = 0;
119 static int rx_queue_per_lcore = 1;
121 #define MBUF_TABLE_SIZE (2 * MAX(MAX_PKT_BURST, MAX_PACKET_FRAG))
125 struct rte_mbuf *m_table[MBUF_TABLE_SIZE];
129 struct rte_mempool *direct_pool;
130 struct rte_mempool *indirect_pool;
132 struct rte_lpm6 *lpm6;
136 #define MAX_RX_QUEUE_PER_LCORE 16
137 #define MAX_TX_QUEUE_PER_PORT 16
138 struct lcore_queue_conf {
140 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
141 struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
142 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
143 } __rte_cache_aligned;
144 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
146 static struct rte_eth_conf port_conf = {
148 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
150 .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
151 DEV_RX_OFFLOAD_SCATTER |
152 DEV_RX_OFFLOAD_JUMBO_FRAME),
155 .mq_mode = ETH_MQ_TX_NONE,
156 .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
157 DEV_TX_OFFLOAD_MULTI_SEGS),
162 * IPv4 forwarding table
164 struct l3fwd_ipv4_route {
170 struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
171 {IPv4(100,10,0,0), 16, 0},
172 {IPv4(100,20,0,0), 16, 1},
173 {IPv4(100,30,0,0), 16, 2},
174 {IPv4(100,40,0,0), 16, 3},
175 {IPv4(100,50,0,0), 16, 4},
176 {IPv4(100,60,0,0), 16, 5},
177 {IPv4(100,70,0,0), 16, 6},
178 {IPv4(100,80,0,0), 16, 7},
182 * IPv6 forwarding table
185 struct l3fwd_ipv6_route {
186 uint8_t ip[IPV6_ADDR_LEN];
191 static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = {
192 {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
193 {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
194 {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
195 {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
196 {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
197 {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
198 {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
199 {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
202 #define LPM_MAX_RULES 1024
203 #define LPM6_MAX_RULES 1024
204 #define LPM6_NUMBER_TBL8S (1 << 16)
206 struct rte_lpm6_config lpm6_config = {
207 .max_rules = LPM6_MAX_RULES,
208 .number_tbl8s = LPM6_NUMBER_TBL8S,
212 static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES];
213 static struct rte_mempool *socket_indirect_pool[RTE_MAX_NUMA_NODES];
214 static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
215 static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
217 /* Send burst of packets on an output interface */
219 send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint16_t port)
221 struct rte_mbuf **m_table;
225 queueid = qconf->tx_queue_id[port];
226 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
228 ret = rte_eth_tx_burst(port, queueid, m_table, n);
229 if (unlikely(ret < n)) {
231 rte_pktmbuf_free(m_table[ret]);
239 l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
240 uint8_t queueid, uint16_t port_in)
242 struct rx_queue *rxq;
243 uint32_t i, len, next_hop;
249 rxq = &qconf->rx_queue_list[queueid];
251 /* by default, send everything back to the source port */
254 /* Remove the Ethernet header and trailer from the input packet */
255 rte_pktmbuf_adj(m, (uint16_t)sizeof(struct rte_ether_hdr));
257 /* Build transmission burst */
258 len = qconf->tx_mbufs[port_out].len;
260 /* if this is an IPv4 packet */
261 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
262 struct ipv4_hdr *ip_hdr;
264 /* Read the lookup key (i.e. ip_dst) from the input packet */
265 ip_hdr = rte_pktmbuf_mtod(m, struct ipv4_hdr *);
266 ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
268 /* Find destination port */
269 if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
270 (enabled_port_mask & 1 << next_hop) != 0) {
273 /* Build transmission burst for new port */
274 len = qconf->tx_mbufs[port_out].len;
277 /* if we don't need to do any fragmentation */
278 if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) {
279 qconf->tx_mbufs[port_out].m_table[len] = m;
282 len2 = rte_ipv4_fragment_packet(m,
283 &qconf->tx_mbufs[port_out].m_table[len],
284 (uint16_t)(MBUF_TABLE_SIZE - len),
286 rxq->direct_pool, rxq->indirect_pool);
288 /* Free input packet */
291 /* If we fail to fragment the packet */
292 if (unlikely (len2 < 0))
295 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
296 /* if this is an IPv6 packet */
297 struct ipv6_hdr *ip_hdr;
301 /* Read the lookup key (i.e. ip_dst) from the input packet */
302 ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *);
304 /* Find destination port */
305 if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
307 (enabled_port_mask & 1 << next_hop) != 0) {
310 /* Build transmission burst for new port */
311 len = qconf->tx_mbufs[port_out].len;
314 /* if we don't need to do any fragmentation */
315 if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) {
316 qconf->tx_mbufs[port_out].m_table[len] = m;
319 len2 = rte_ipv6_fragment_packet(m,
320 &qconf->tx_mbufs[port_out].m_table[len],
321 (uint16_t)(MBUF_TABLE_SIZE - len),
323 rxq->direct_pool, rxq->indirect_pool);
325 /* Free input packet */
328 /* If we fail to fragment the packet */
329 if (unlikely (len2 < 0))
333 /* else, just forward the packet */
335 qconf->tx_mbufs[port_out].m_table[len] = m;
339 for (i = len; i < len + len2; i ++) {
342 m = qconf->tx_mbufs[port_out].m_table[i];
343 struct rte_ether_hdr *eth_hdr = (struct rte_ether_hdr *)
344 rte_pktmbuf_prepend(m,
345 (uint16_t)sizeof(struct rte_ether_hdr));
346 if (eth_hdr == NULL) {
347 rte_panic("No headroom in mbuf.\n");
350 m->l2_len = sizeof(struct rte_ether_hdr);
352 /* 02:00:00:00:00:xx */
353 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
354 *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)port_out << 40);
357 ether_addr_copy(&ports_eth_addr[port_out], ð_hdr->s_addr);
359 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
361 eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
366 if (likely(len < MAX_PKT_BURST)) {
367 qconf->tx_mbufs[port_out].len = (uint16_t)len;
371 /* Transmit packets */
372 send_burst(qconf, (uint16_t)len, port_out);
373 qconf->tx_mbufs[port_out].len = 0;
376 /* main processing loop */
378 main_loop(__attribute__((unused)) void *dummy)
380 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
382 uint64_t prev_tsc, diff_tsc, cur_tsc;
385 struct lcore_queue_conf *qconf;
386 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
390 lcore_id = rte_lcore_id();
391 qconf = &lcore_queue_conf[lcore_id];
393 if (qconf->n_rx_queue == 0) {
394 RTE_LOG(INFO, IP_FRAG, "lcore %u has nothing to do\n", lcore_id);
398 RTE_LOG(INFO, IP_FRAG, "entering main loop on lcore %u\n", lcore_id);
400 for (i = 0; i < qconf->n_rx_queue; i++) {
402 portid = qconf->rx_queue_list[i].portid;
403 RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id,
409 cur_tsc = rte_rdtsc();
412 * TX burst queue drain
414 diff_tsc = cur_tsc - prev_tsc;
415 if (unlikely(diff_tsc > drain_tsc)) {
418 * This could be optimized (use queueid instead of
419 * portid), but it is not called so often
421 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
422 if (qconf->tx_mbufs[portid].len == 0)
424 send_burst(&lcore_queue_conf[lcore_id],
425 qconf->tx_mbufs[portid].len,
427 qconf->tx_mbufs[portid].len = 0;
434 * Read packet from RX queues
436 for (i = 0; i < qconf->n_rx_queue; i++) {
438 portid = qconf->rx_queue_list[i].portid;
439 nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
442 /* Prefetch first packets */
443 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
444 rte_prefetch0(rte_pktmbuf_mtod(
445 pkts_burst[j], void *));
448 /* Prefetch and forward already prefetched packets */
449 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
450 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
451 j + PREFETCH_OFFSET], void *));
452 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
455 /* Forward remaining prefetched packets */
456 for (; j < nb_rx; j++) {
457 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
465 print_usage(const char *prgname)
467 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
468 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
469 " -q NQ: number of queue (=ports) per lcore (default is 1)\n",
474 parse_portmask(const char *portmask)
479 /* parse hexadecimal string */
480 pm = strtoul(portmask, &end, 16);
481 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
491 parse_nqueue(const char *q_arg)
496 /* parse hexadecimal string */
497 n = strtoul(q_arg, &end, 10);
498 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
502 if (n >= MAX_RX_QUEUE_PER_LCORE)
508 /* Parse the argument given in the command line of the application */
510 parse_args(int argc, char **argv)
515 char *prgname = argv[0];
516 static struct option lgopts[] = {
522 while ((opt = getopt_long(argc, argvopt, "p:q:",
523 lgopts, &option_index)) != EOF) {
528 enabled_port_mask = parse_portmask(optarg);
529 if (enabled_port_mask < 0) {
530 printf("invalid portmask\n");
531 print_usage(prgname);
538 rx_queue_per_lcore = parse_nqueue(optarg);
539 if (rx_queue_per_lcore < 0) {
540 printf("invalid queue number\n");
541 print_usage(prgname);
548 print_usage(prgname);
552 print_usage(prgname);
557 if (enabled_port_mask == 0) {
558 printf("portmask not specified\n");
559 print_usage(prgname);
564 argv[optind-1] = prgname;
567 optind = 1; /* reset getopt lib */
572 print_ethaddr(const char *name, struct rte_ether_addr *eth_addr)
574 char buf[ETHER_ADDR_FMT_SIZE];
575 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
576 printf("%s%s", name, buf);
579 /* Check the link status of all ports in up to 9s, and print them finally */
581 check_all_ports_link_status(uint32_t port_mask)
583 #define CHECK_INTERVAL 100 /* 100ms */
584 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
586 uint8_t count, all_ports_up, print_flag = 0;
587 struct rte_eth_link link;
589 printf("\nChecking link status");
591 for (count = 0; count <= MAX_CHECK_TIME; count++) {
593 RTE_ETH_FOREACH_DEV(portid) {
594 if ((port_mask & (1 << portid)) == 0)
596 memset(&link, 0, sizeof(link));
597 rte_eth_link_get_nowait(portid, &link);
598 /* print link status if flag set */
599 if (print_flag == 1) {
600 if (link.link_status)
602 "Port%d Link Up .Speed %u Mbps - %s\n",
603 portid, link.link_speed,
604 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
605 ("full-duplex") : ("half-duplex\n"));
607 printf("Port %d Link Down\n", portid);
610 /* clear all_ports_up flag if any link down */
611 if (link.link_status == ETH_LINK_DOWN) {
616 /* after finally printing all link status, get out */
620 if (all_ports_up == 0) {
623 rte_delay_ms(CHECK_INTERVAL);
626 /* set the print_flag if all ports up or timeout */
627 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
634 /* Check L3 packet type detection capablity of the NIC port */
636 check_ptype(int portid)
639 int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
640 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
642 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
646 uint32_t ptypes[ret];
648 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
649 for (i = 0; i < ret; ++i) {
650 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
652 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
656 if (ptype_l3_ipv4 == 0)
657 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
659 if (ptype_l3_ipv6 == 0)
660 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
662 if (ptype_l3_ipv4 && ptype_l3_ipv6)
669 /* Parse packet type of a packet by SW */
671 parse_ptype(struct rte_mbuf *m)
673 struct rte_ether_hdr *eth_hdr;
674 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
677 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
678 ether_type = eth_hdr->ether_type;
679 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
680 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
681 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
682 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
684 m->packet_type = packet_type;
687 /* callback function to detect packet type for a queue of a port */
689 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
690 struct rte_mbuf *pkts[], uint16_t nb_pkts,
691 uint16_t max_pkts __rte_unused,
692 void *user_param __rte_unused)
696 for (i = 0; i < nb_pkts; ++i)
697 parse_ptype(pkts[i]);
703 init_routing_table(void)
706 struct rte_lpm6 *lpm6;
710 for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
711 if (socket_lpm[socket]) {
712 lpm = socket_lpm[socket];
713 /* populate the LPM table */
714 for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
715 ret = rte_lpm_add(lpm,
716 l3fwd_ipv4_route_array[i].ip,
717 l3fwd_ipv4_route_array[i].depth,
718 l3fwd_ipv4_route_array[i].if_out);
721 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
726 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv4_BYTES_FMT
729 IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
730 l3fwd_ipv4_route_array[i].depth,
731 l3fwd_ipv4_route_array[i].if_out);
735 if (socket_lpm6[socket]) {
736 lpm6 = socket_lpm6[socket];
737 /* populate the LPM6 table */
738 for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
739 ret = rte_lpm6_add(lpm6,
740 l3fwd_ipv6_route_array[i].ip,
741 l3fwd_ipv6_route_array[i].depth,
742 l3fwd_ipv6_route_array[i].if_out);
745 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
750 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv6_BYTES_FMT
753 IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
754 l3fwd_ipv6_route_array[i].depth,
755 l3fwd_ipv6_route_array[i].if_out);
766 struct rte_mempool *mp;
768 struct rte_lpm6 *lpm6;
769 struct rte_lpm_config lpm_config;
773 /* traverse through lcores and initialize structures on each socket */
775 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
777 if (rte_lcore_is_enabled(lcore_id) == 0)
780 socket = rte_lcore_to_socket_id(lcore_id);
782 if (socket == SOCKET_ID_ANY)
785 if (socket_direct_pool[socket] == NULL) {
786 RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n",
788 snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
790 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32,
791 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket);
793 RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n");
796 socket_direct_pool[socket] = mp;
799 if (socket_indirect_pool[socket] == NULL) {
800 RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n",
802 snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
804 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0,
807 RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n");
810 socket_indirect_pool[socket] = mp;
813 if (socket_lpm[socket] == NULL) {
814 RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket);
815 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
817 lpm_config.max_rules = LPM_MAX_RULES;
818 lpm_config.number_tbl8s = 256;
819 lpm_config.flags = 0;
821 lpm = rte_lpm_create(buf, socket, &lpm_config);
823 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
826 socket_lpm[socket] = lpm;
829 if (socket_lpm6[socket] == NULL) {
830 RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket);
831 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
833 lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
835 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
838 socket_lpm6[socket] = lpm6;
846 main(int argc, char **argv)
848 struct lcore_queue_conf *qconf;
849 struct rte_eth_dev_info dev_info;
850 struct rte_eth_txconf *txconf;
851 struct rx_queue *rxq;
854 uint16_t queueid = 0;
855 unsigned lcore_id = 0, rx_lcore_id = 0;
856 uint32_t n_tx_queue, nb_lcores;
860 ret = rte_eal_init(argc, argv);
862 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
866 /* parse application arguments (after the EAL ones) */
867 ret = parse_args(argc, argv);
869 rte_exit(EXIT_FAILURE, "Invalid arguments");
871 nb_ports = rte_eth_dev_count_avail();
873 rte_exit(EXIT_FAILURE, "No ports found!\n");
875 nb_lcores = rte_lcore_count();
877 /* initialize structures (mempools, lpm etc.) */
879 rte_panic("Cannot initialize memory structures!\n");
881 /* check if portmask has non-existent ports */
882 if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
883 rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
885 /* initialize all ports */
886 RTE_ETH_FOREACH_DEV(portid) {
887 struct rte_eth_conf local_port_conf = port_conf;
888 struct rte_eth_rxconf rxq_conf;
890 /* skip ports that are not enabled */
891 if ((enabled_port_mask & (1 << portid)) == 0) {
892 printf("Skipping disabled port %d\n", portid);
896 qconf = &lcore_queue_conf[rx_lcore_id];
898 /* limit the frame size to the maximum supported by NIC */
899 rte_eth_dev_info_get(portid, &dev_info);
900 local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
901 dev_info.max_rx_pktlen,
902 local_port_conf.rxmode.max_rx_pkt_len);
904 /* get the lcore_id for this port */
905 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
906 qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
909 if (rx_lcore_id >= RTE_MAX_LCORE)
910 rte_exit(EXIT_FAILURE, "Not enough cores\n");
912 qconf = &lcore_queue_conf[rx_lcore_id];
915 socket = (int) rte_lcore_to_socket_id(rx_lcore_id);
916 if (socket == SOCKET_ID_ANY)
919 rxq = &qconf->rx_queue_list[qconf->n_rx_queue];
920 rxq->portid = portid;
921 rxq->direct_pool = socket_direct_pool[socket];
922 rxq->indirect_pool = socket_indirect_pool[socket];
923 rxq->lpm = socket_lpm[socket];
924 rxq->lpm6 = socket_lpm6[socket];
928 printf("Initializing port %d on lcore %u...", portid,
932 n_tx_queue = nb_lcores;
933 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
934 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
935 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
936 local_port_conf.txmode.offloads |=
937 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
938 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
942 rte_exit(EXIT_FAILURE, "Cannot configure device: "
947 /* set the mtu to the maximum received packet size */
948 ret = rte_eth_dev_set_mtu(portid,
949 local_port_conf.rxmode.max_rx_pkt_len - MTU_OVERHEAD);
952 rte_exit(EXIT_FAILURE, "Set MTU failed: "
957 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
961 rte_exit(EXIT_FAILURE, "Cannot adjust number of "
962 "descriptors: err=%d, port=%d\n", ret, portid);
965 /* init one RX queue */
966 rxq_conf = dev_info.default_rxconf;
967 rxq_conf.offloads = local_port_conf.rxmode.offloads;
968 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
970 socket_direct_pool[socket]);
973 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
978 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
979 print_ethaddr(" Address:", &ports_eth_addr[portid]);
982 /* init one TX queue per couple (lcore,port) */
984 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
985 if (rte_lcore_is_enabled(lcore_id) == 0)
988 socket = (int) rte_lcore_to_socket_id(lcore_id);
989 printf("txq=%u,%d ", lcore_id, queueid);
992 txconf = &dev_info.default_txconf;
993 txconf->offloads = local_port_conf.txmode.offloads;
994 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
998 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
999 "err=%d, port=%d\n", ret, portid);
1002 qconf = &lcore_queue_conf[lcore_id];
1003 qconf->tx_queue_id[portid] = queueid;
1013 RTE_ETH_FOREACH_DEV(portid) {
1014 if ((enabled_port_mask & (1 << portid)) == 0) {
1018 ret = rte_eth_dev_start(portid);
1020 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1023 rte_eth_promiscuous_enable(portid);
1025 if (check_ptype(portid) == 0) {
1026 rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL);
1027 printf("Add Rx callback function to detect L3 packet type by SW :"
1028 " port = %d\n", portid);
1032 if (init_routing_table() < 0)
1033 rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
1035 check_all_ports_link_status(enabled_port_mask);
1037 /* launch per-lcore init on every lcore */
1038 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1039 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1040 if (rte_eal_wait_lcore(lcore_id) < 0)