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 RTE_ETHER_MTU
56 #define IPV6_MTU_DEFAULT RTE_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 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
64 2 * sizeof(struct rte_vlan_hdr))
67 * Default payload in bytes for the IPv6 packet.
69 #define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct rte_ipv4_hdr))
70 #define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct rte_ipv6_hdr))
73 * Max number of fragments per packet expected - defined by config file.
75 #define MAX_PACKET_FRAG RTE_LIBRTE_IP_FRAG_MAX_FRAG
79 #define MAX_PKT_BURST 32
80 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
82 /* Configure how many packets ahead to prefetch, when reading packets */
83 #define PREFETCH_OFFSET 3
86 * Configurable number of RX/TX ring descriptors
88 #define RTE_TEST_RX_DESC_DEFAULT 1024
89 #define RTE_TEST_TX_DESC_DEFAULT 1024
90 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
91 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
93 /* ethernet addresses of ports */
94 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
97 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
98 #define IPv4_BYTES(addr) \
99 (uint8_t) (((addr) >> 24) & 0xFF),\
100 (uint8_t) (((addr) >> 16) & 0xFF),\
101 (uint8_t) (((addr) >> 8) & 0xFF),\
102 (uint8_t) ((addr) & 0xFF)
106 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
107 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
108 #define IPv6_BYTES(addr) \
109 addr[0], addr[1], addr[2], addr[3], \
110 addr[4], addr[5], addr[6], addr[7], \
111 addr[8], addr[9], addr[10], addr[11],\
112 addr[12], addr[13],addr[14], addr[15]
115 #define IPV6_ADDR_LEN 16
117 /* mask of enabled ports */
118 static int enabled_port_mask = 0;
120 static int rx_queue_per_lcore = 1;
122 #define MBUF_TABLE_SIZE (2 * MAX(MAX_PKT_BURST, MAX_PACKET_FRAG))
126 struct rte_mbuf *m_table[MBUF_TABLE_SIZE];
130 struct rte_mempool *direct_pool;
131 struct rte_mempool *indirect_pool;
133 struct rte_lpm6 *lpm6;
137 #define MAX_RX_QUEUE_PER_LCORE 16
138 #define MAX_TX_QUEUE_PER_PORT 16
139 struct lcore_queue_conf {
141 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
142 struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
143 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
144 } __rte_cache_aligned;
145 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
147 static struct rte_eth_conf port_conf = {
149 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
151 .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
152 DEV_RX_OFFLOAD_SCATTER |
153 DEV_RX_OFFLOAD_JUMBO_FRAME),
156 .mq_mode = ETH_MQ_TX_NONE,
157 .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
158 DEV_TX_OFFLOAD_MULTI_SEGS),
163 * IPv4 forwarding table
165 struct l3fwd_ipv4_route {
171 struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
172 {RTE_IPV4(100,10,0,0), 16, 0},
173 {RTE_IPV4(100,20,0,0), 16, 1},
174 {RTE_IPV4(100,30,0,0), 16, 2},
175 {RTE_IPV4(100,40,0,0), 16, 3},
176 {RTE_IPV4(100,50,0,0), 16, 4},
177 {RTE_IPV4(100,60,0,0), 16, 5},
178 {RTE_IPV4(100,70,0,0), 16, 6},
179 {RTE_IPV4(100,80,0,0), 16, 7},
183 * IPv6 forwarding table
186 struct l3fwd_ipv6_route {
187 uint8_t ip[IPV6_ADDR_LEN];
192 static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = {
193 {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
194 {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
195 {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
196 {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
197 {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
198 {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
199 {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
200 {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
203 #define LPM_MAX_RULES 1024
204 #define LPM6_MAX_RULES 1024
205 #define LPM6_NUMBER_TBL8S (1 << 16)
207 struct rte_lpm6_config lpm6_config = {
208 .max_rules = LPM6_MAX_RULES,
209 .number_tbl8s = LPM6_NUMBER_TBL8S,
213 static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES];
214 static struct rte_mempool *socket_indirect_pool[RTE_MAX_NUMA_NODES];
215 static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
216 static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
218 /* Send burst of packets on an output interface */
220 send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint16_t port)
222 struct rte_mbuf **m_table;
226 queueid = qconf->tx_queue_id[port];
227 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
229 ret = rte_eth_tx_burst(port, queueid, m_table, n);
230 if (unlikely(ret < n)) {
232 rte_pktmbuf_free(m_table[ret]);
240 l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
241 uint8_t queueid, uint16_t port_in)
243 struct rx_queue *rxq;
244 uint32_t i, len, next_hop;
250 rxq = &qconf->rx_queue_list[queueid];
252 /* by default, send everything back to the source port */
255 /* Remove the Ethernet header and trailer from the input packet */
256 rte_pktmbuf_adj(m, (uint16_t)sizeof(struct rte_ether_hdr));
258 /* Build transmission burst */
259 len = qconf->tx_mbufs[port_out].len;
261 /* if this is an IPv4 packet */
262 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
263 struct rte_ipv4_hdr *ip_hdr;
265 /* Read the lookup key (i.e. ip_dst) from the input packet */
266 ip_hdr = rte_pktmbuf_mtod(m, struct rte_ipv4_hdr *);
267 ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
269 /* Find destination port */
270 if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
271 (enabled_port_mask & 1 << next_hop) != 0) {
274 /* Build transmission burst for new port */
275 len = qconf->tx_mbufs[port_out].len;
278 /* if we don't need to do any fragmentation */
279 if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) {
280 qconf->tx_mbufs[port_out].m_table[len] = m;
283 len2 = rte_ipv4_fragment_packet(m,
284 &qconf->tx_mbufs[port_out].m_table[len],
285 (uint16_t)(MBUF_TABLE_SIZE - len),
287 rxq->direct_pool, rxq->indirect_pool);
289 /* Free input packet */
292 /* If we fail to fragment the packet */
293 if (unlikely (len2 < 0))
296 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
297 /* if this is an IPv6 packet */
298 struct rte_ipv6_hdr *ip_hdr;
302 /* Read the lookup key (i.e. ip_dst) from the input packet */
303 ip_hdr = rte_pktmbuf_mtod(m, struct rte_ipv6_hdr *);
305 /* Find destination port */
306 if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
308 (enabled_port_mask & 1 << next_hop) != 0) {
311 /* Build transmission burst for new port */
312 len = qconf->tx_mbufs[port_out].len;
315 /* if we don't need to do any fragmentation */
316 if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) {
317 qconf->tx_mbufs[port_out].m_table[len] = m;
320 len2 = rte_ipv6_fragment_packet(m,
321 &qconf->tx_mbufs[port_out].m_table[len],
322 (uint16_t)(MBUF_TABLE_SIZE - len),
324 rxq->direct_pool, rxq->indirect_pool);
326 /* Free input packet */
329 /* If we fail to fragment the packet */
330 if (unlikely (len2 < 0))
334 /* else, just forward the packet */
336 qconf->tx_mbufs[port_out].m_table[len] = m;
340 for (i = len; i < len + len2; i ++) {
343 m = qconf->tx_mbufs[port_out].m_table[i];
344 struct rte_ether_hdr *eth_hdr = (struct rte_ether_hdr *)
345 rte_pktmbuf_prepend(m,
346 (uint16_t)sizeof(struct rte_ether_hdr));
347 if (eth_hdr == NULL) {
348 rte_panic("No headroom in mbuf.\n");
351 m->l2_len = sizeof(struct rte_ether_hdr);
353 /* 02:00:00:00:00:xx */
354 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
355 *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)port_out << 40);
358 rte_ether_addr_copy(&ports_eth_addr[port_out],
361 eth_hdr->ether_type =
362 rte_be_to_cpu_16(RTE_ETHER_TYPE_IPV6);
364 eth_hdr->ether_type =
365 rte_be_to_cpu_16(RTE_ETHER_TYPE_IPV4);
370 if (likely(len < MAX_PKT_BURST)) {
371 qconf->tx_mbufs[port_out].len = (uint16_t)len;
375 /* Transmit packets */
376 send_burst(qconf, (uint16_t)len, port_out);
377 qconf->tx_mbufs[port_out].len = 0;
380 /* main processing loop */
382 main_loop(__attribute__((unused)) void *dummy)
384 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
386 uint64_t prev_tsc, diff_tsc, cur_tsc;
389 struct lcore_queue_conf *qconf;
390 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
394 lcore_id = rte_lcore_id();
395 qconf = &lcore_queue_conf[lcore_id];
397 if (qconf->n_rx_queue == 0) {
398 RTE_LOG(INFO, IP_FRAG, "lcore %u has nothing to do\n", lcore_id);
402 RTE_LOG(INFO, IP_FRAG, "entering main loop on lcore %u\n", lcore_id);
404 for (i = 0; i < qconf->n_rx_queue; i++) {
406 portid = qconf->rx_queue_list[i].portid;
407 RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id,
413 cur_tsc = rte_rdtsc();
416 * TX burst queue drain
418 diff_tsc = cur_tsc - prev_tsc;
419 if (unlikely(diff_tsc > drain_tsc)) {
422 * This could be optimized (use queueid instead of
423 * portid), but it is not called so often
425 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
426 if (qconf->tx_mbufs[portid].len == 0)
428 send_burst(&lcore_queue_conf[lcore_id],
429 qconf->tx_mbufs[portid].len,
431 qconf->tx_mbufs[portid].len = 0;
438 * Read packet from RX queues
440 for (i = 0; i < qconf->n_rx_queue; i++) {
442 portid = qconf->rx_queue_list[i].portid;
443 nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
446 /* Prefetch first packets */
447 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
448 rte_prefetch0(rte_pktmbuf_mtod(
449 pkts_burst[j], void *));
452 /* Prefetch and forward already prefetched packets */
453 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
454 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
455 j + PREFETCH_OFFSET], void *));
456 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
459 /* Forward remaining prefetched packets */
460 for (; j < nb_rx; j++) {
461 l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
469 print_usage(const char *prgname)
471 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
472 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
473 " -q NQ: number of queue (=ports) per lcore (default is 1)\n",
478 parse_portmask(const char *portmask)
483 /* parse hexadecimal string */
484 pm = strtoul(portmask, &end, 16);
485 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
495 parse_nqueue(const char *q_arg)
500 /* parse hexadecimal string */
501 n = strtoul(q_arg, &end, 10);
502 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
506 if (n >= MAX_RX_QUEUE_PER_LCORE)
512 /* Parse the argument given in the command line of the application */
514 parse_args(int argc, char **argv)
519 char *prgname = argv[0];
520 static struct option lgopts[] = {
526 while ((opt = getopt_long(argc, argvopt, "p:q:",
527 lgopts, &option_index)) != EOF) {
532 enabled_port_mask = parse_portmask(optarg);
533 if (enabled_port_mask < 0) {
534 printf("invalid portmask\n");
535 print_usage(prgname);
542 rx_queue_per_lcore = parse_nqueue(optarg);
543 if (rx_queue_per_lcore < 0) {
544 printf("invalid queue number\n");
545 print_usage(prgname);
552 print_usage(prgname);
556 print_usage(prgname);
561 if (enabled_port_mask == 0) {
562 printf("portmask not specified\n");
563 print_usage(prgname);
568 argv[optind-1] = prgname;
571 optind = 1; /* reset getopt lib */
576 print_ethaddr(const char *name, struct rte_ether_addr *eth_addr)
578 char buf[RTE_ETHER_ADDR_FMT_SIZE];
579 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
580 printf("%s%s", name, buf);
583 /* Check the link status of all ports in up to 9s, and print them finally */
585 check_all_ports_link_status(uint32_t port_mask)
587 #define CHECK_INTERVAL 100 /* 100ms */
588 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
590 uint8_t count, all_ports_up, print_flag = 0;
591 struct rte_eth_link link;
593 printf("\nChecking link status");
595 for (count = 0; count <= MAX_CHECK_TIME; count++) {
597 RTE_ETH_FOREACH_DEV(portid) {
598 if ((port_mask & (1 << portid)) == 0)
600 memset(&link, 0, sizeof(link));
601 rte_eth_link_get_nowait(portid, &link);
602 /* print link status if flag set */
603 if (print_flag == 1) {
604 if (link.link_status)
606 "Port%d Link Up .Speed %u Mbps - %s\n",
607 portid, link.link_speed,
608 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
609 ("full-duplex") : ("half-duplex\n"));
611 printf("Port %d Link Down\n", portid);
614 /* clear all_ports_up flag if any link down */
615 if (link.link_status == ETH_LINK_DOWN) {
620 /* after finally printing all link status, get out */
624 if (all_ports_up == 0) {
627 rte_delay_ms(CHECK_INTERVAL);
630 /* set the print_flag if all ports up or timeout */
631 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
638 /* Check L3 packet type detection capablity of the NIC port */
640 check_ptype(int portid)
643 int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
644 uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
646 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
650 uint32_t ptypes[ret];
652 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
653 for (i = 0; i < ret; ++i) {
654 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
656 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
660 if (ptype_l3_ipv4 == 0)
661 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
663 if (ptype_l3_ipv6 == 0)
664 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
666 if (ptype_l3_ipv4 && ptype_l3_ipv6)
673 /* Parse packet type of a packet by SW */
675 parse_ptype(struct rte_mbuf *m)
677 struct rte_ether_hdr *eth_hdr;
678 uint32_t packet_type = RTE_PTYPE_UNKNOWN;
681 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
682 ether_type = eth_hdr->ether_type;
683 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
684 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
685 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
686 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
688 m->packet_type = packet_type;
691 /* callback function to detect packet type for a queue of a port */
693 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
694 struct rte_mbuf *pkts[], uint16_t nb_pkts,
695 uint16_t max_pkts __rte_unused,
696 void *user_param __rte_unused)
700 for (i = 0; i < nb_pkts; ++i)
701 parse_ptype(pkts[i]);
707 init_routing_table(void)
710 struct rte_lpm6 *lpm6;
714 for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
715 if (socket_lpm[socket]) {
716 lpm = socket_lpm[socket];
717 /* populate the LPM table */
718 for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
719 ret = rte_lpm_add(lpm,
720 l3fwd_ipv4_route_array[i].ip,
721 l3fwd_ipv4_route_array[i].depth,
722 l3fwd_ipv4_route_array[i].if_out);
725 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
730 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv4_BYTES_FMT
733 IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
734 l3fwd_ipv4_route_array[i].depth,
735 l3fwd_ipv4_route_array[i].if_out);
739 if (socket_lpm6[socket]) {
740 lpm6 = socket_lpm6[socket];
741 /* populate the LPM6 table */
742 for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
743 ret = rte_lpm6_add(lpm6,
744 l3fwd_ipv6_route_array[i].ip,
745 l3fwd_ipv6_route_array[i].depth,
746 l3fwd_ipv6_route_array[i].if_out);
749 RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
754 RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv6_BYTES_FMT
757 IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
758 l3fwd_ipv6_route_array[i].depth,
759 l3fwd_ipv6_route_array[i].if_out);
770 struct rte_mempool *mp;
772 struct rte_lpm6 *lpm6;
773 struct rte_lpm_config lpm_config;
777 /* traverse through lcores and initialize structures on each socket */
779 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
781 if (rte_lcore_is_enabled(lcore_id) == 0)
784 socket = rte_lcore_to_socket_id(lcore_id);
786 if (socket == SOCKET_ID_ANY)
789 if (socket_direct_pool[socket] == NULL) {
790 RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n",
792 snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
794 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32,
795 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket);
797 RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n");
800 socket_direct_pool[socket] = mp;
803 if (socket_indirect_pool[socket] == NULL) {
804 RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n",
806 snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
808 mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0,
811 RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n");
814 socket_indirect_pool[socket] = mp;
817 if (socket_lpm[socket] == NULL) {
818 RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket);
819 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
821 lpm_config.max_rules = LPM_MAX_RULES;
822 lpm_config.number_tbl8s = 256;
823 lpm_config.flags = 0;
825 lpm = rte_lpm_create(buf, socket, &lpm_config);
827 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
830 socket_lpm[socket] = lpm;
833 if (socket_lpm6[socket] == NULL) {
834 RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket);
835 snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
837 lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
839 RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
842 socket_lpm6[socket] = lpm6;
850 main(int argc, char **argv)
852 struct lcore_queue_conf *qconf;
853 struct rte_eth_dev_info dev_info;
854 struct rte_eth_txconf *txconf;
855 struct rx_queue *rxq;
858 uint16_t queueid = 0;
859 unsigned lcore_id = 0, rx_lcore_id = 0;
860 uint32_t n_tx_queue, nb_lcores;
864 ret = rte_eal_init(argc, argv);
866 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
870 /* parse application arguments (after the EAL ones) */
871 ret = parse_args(argc, argv);
873 rte_exit(EXIT_FAILURE, "Invalid arguments");
875 nb_ports = rte_eth_dev_count_avail();
877 rte_exit(EXIT_FAILURE, "No ports found!\n");
879 nb_lcores = rte_lcore_count();
881 /* initialize structures (mempools, lpm etc.) */
883 rte_panic("Cannot initialize memory structures!\n");
885 /* check if portmask has non-existent ports */
886 if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
887 rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
889 /* initialize all ports */
890 RTE_ETH_FOREACH_DEV(portid) {
891 struct rte_eth_conf local_port_conf = port_conf;
892 struct rte_eth_rxconf rxq_conf;
894 /* skip ports that are not enabled */
895 if ((enabled_port_mask & (1 << portid)) == 0) {
896 printf("Skipping disabled port %d\n", portid);
900 qconf = &lcore_queue_conf[rx_lcore_id];
902 /* limit the frame size to the maximum supported by NIC */
903 rte_eth_dev_info_get(portid, &dev_info);
904 local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
905 dev_info.max_rx_pktlen,
906 local_port_conf.rxmode.max_rx_pkt_len);
908 /* get the lcore_id for this port */
909 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
910 qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
913 if (rx_lcore_id >= RTE_MAX_LCORE)
914 rte_exit(EXIT_FAILURE, "Not enough cores\n");
916 qconf = &lcore_queue_conf[rx_lcore_id];
919 socket = (int) rte_lcore_to_socket_id(rx_lcore_id);
920 if (socket == SOCKET_ID_ANY)
923 rxq = &qconf->rx_queue_list[qconf->n_rx_queue];
924 rxq->portid = portid;
925 rxq->direct_pool = socket_direct_pool[socket];
926 rxq->indirect_pool = socket_indirect_pool[socket];
927 rxq->lpm = socket_lpm[socket];
928 rxq->lpm6 = socket_lpm6[socket];
932 printf("Initializing port %d on lcore %u...", portid,
936 n_tx_queue = nb_lcores;
937 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
938 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
939 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
940 local_port_conf.txmode.offloads |=
941 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
942 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
946 rte_exit(EXIT_FAILURE, "Cannot configure device: "
951 /* set the mtu to the maximum received packet size */
952 ret = rte_eth_dev_set_mtu(portid,
953 local_port_conf.rxmode.max_rx_pkt_len - MTU_OVERHEAD);
956 rte_exit(EXIT_FAILURE, "Set MTU failed: "
961 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
965 rte_exit(EXIT_FAILURE, "Cannot adjust number of "
966 "descriptors: err=%d, port=%d\n", ret, portid);
969 /* init one RX queue */
970 rxq_conf = dev_info.default_rxconf;
971 rxq_conf.offloads = local_port_conf.rxmode.offloads;
972 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
974 socket_direct_pool[socket]);
977 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
982 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
983 print_ethaddr(" Address:", &ports_eth_addr[portid]);
986 /* init one TX queue per couple (lcore,port) */
988 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
989 if (rte_lcore_is_enabled(lcore_id) == 0)
992 if (queueid >= rte_eth_devices[portid].data->nb_tx_queues)
995 socket = (int) rte_lcore_to_socket_id(lcore_id);
996 printf("txq=%u,%d ", lcore_id, queueid);
999 txconf = &dev_info.default_txconf;
1000 txconf->offloads = local_port_conf.txmode.offloads;
1001 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1005 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
1006 "err=%d, port=%d\n", ret, portid);
1009 qconf = &lcore_queue_conf[lcore_id];
1010 qconf->tx_queue_id[portid] = queueid;
1020 RTE_ETH_FOREACH_DEV(portid) {
1021 if ((enabled_port_mask & (1 << portid)) == 0) {
1025 ret = rte_eth_dev_start(portid);
1027 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1030 rte_eth_promiscuous_enable(portid);
1032 if (check_ptype(portid) == 0) {
1033 rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL);
1034 printf("Add Rx callback function to detect L3 packet type by SW :"
1035 " port = %d\n", portid);
1039 if (init_routing_table() < 0)
1040 rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
1042 check_all_ports_link_status(enabled_port_mask);
1044 /* launch per-lcore init on every lcore */
1045 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1046 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1047 if (rte_eal_wait_lcore(lcore_id) < 0)