DPDK  21.11.0
examples/l3fwd/l3fwd_fib.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2021 Intel Corporation
*/
#include <stdio.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <rte_fib.h>
#include <rte_fib6.h>
#include "l3fwd.h"
#if defined RTE_ARCH_X86
#include "l3fwd_sse.h"
#elif defined __ARM_NEON
#include "l3fwd_neon.h"
#elif defined RTE_ARCH_PPC_64
#include "l3fwd_altivec.h"
#endif
#include "l3fwd_event.h"
#include "l3fwd_route.h"
/* Configure how many packets ahead to prefetch for fib. */
#define FIB_PREFETCH_OFFSET 4
/* A non-existent portid is needed to denote a default hop for fib. */
#define FIB_DEFAULT_HOP 999
/*
* If the machine has SSE, NEON or PPC 64 then multiple packets
* can be sent at once if not only single packets will be sent
*/
#if defined RTE_ARCH_X86 || defined __ARM_NEON \
|| defined RTE_ARCH_PPC_64
#define FIB_SEND_MULTI
#endif
static struct rte_fib *ipv4_l3fwd_fib_lookup_struct[NB_SOCKETS];
static struct rte_fib6 *ipv6_l3fwd_fib_lookup_struct[NB_SOCKETS];
/* Parse packet type and ip address. */
static inline void
fib_parse_packet(struct rte_mbuf *mbuf,
uint32_t *ipv4, uint32_t *ipv4_cnt,
uint8_t ipv6[RTE_FIB6_IPV6_ADDR_SIZE],
uint32_t *ipv6_cnt, uint8_t *ip_type)
{
struct rte_ether_hdr *eth_hdr;
struct rte_ipv4_hdr *ipv4_hdr;
struct rte_ipv6_hdr *ipv6_hdr;
eth_hdr = rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr *);
/* IPv4 */
ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
*ipv4 = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
/* Store type of packet in type_arr (IPv4=1, IPv6=0). */
*ip_type = 1;
(*ipv4_cnt)++;
}
/* IPv6 */
else {
ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
rte_mov16(ipv6, (const uint8_t *)ipv6_hdr->dst_addr);
*ip_type = 0;
(*ipv6_cnt)++;
}
}
/*
* If the machine does not have SSE, NEON or PPC 64 then the packets
* are sent one at a time using send_single_packet()
*/
#if !defined FIB_SEND_MULTI
static inline void
fib_send_single(int nb_tx, struct lcore_conf *qconf,
struct rte_mbuf **pkts_burst, uint16_t hops[nb_tx])
{
int32_t j;
struct rte_ether_hdr *eth_hdr;
for (j = 0; j < nb_tx; j++) {
/* Run rfc1812 if packet is ipv4 and checks enabled. */
#if defined DO_RFC_1812_CHECKS
rfc1812_process((struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(
pkts_burst[j], struct rte_ether_hdr *) + 1),
&hops[j], pkts_burst[j]->packet_type);
#endif
/* Set MAC addresses. */
eth_hdr = rte_pktmbuf_mtod(pkts_burst[j],
struct rte_ether_hdr *);
*(uint64_t *)&eth_hdr->dst_addr = dest_eth_addr[hops[j]];
rte_ether_addr_copy(&ports_eth_addr[hops[j]],
&eth_hdr->src_addr);
/* Send single packet. */
send_single_packet(qconf, pkts_burst[j], hops[j]);
}
}
#endif
/* Bulk parse, fib lookup and send. */
static inline void
fib_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
uint16_t portid, struct lcore_conf *qconf)
{
uint32_t ipv4_arr[nb_rx];
uint8_t ipv6_arr[nb_rx][RTE_FIB6_IPV6_ADDR_SIZE];
uint16_t hops[nb_rx];
uint64_t hopsv4[nb_rx], hopsv6[nb_rx];
uint8_t type_arr[nb_rx];
uint32_t ipv4_cnt = 0, ipv6_cnt = 0;
uint32_t ipv4_arr_assem = 0, ipv6_arr_assem = 0;
uint16_t nh;
int32_t i;
/* Prefetch first packets. */
for (i = 0; i < FIB_PREFETCH_OFFSET && i < nb_rx; i++)
rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i], void *));
/* Parse packet info and prefetch. */
for (i = 0; i < (nb_rx - FIB_PREFETCH_OFFSET); i++) {
/* Prefetch packet. */
i + FIB_PREFETCH_OFFSET], void *));
fib_parse_packet(pkts_burst[i],
&ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt,
&type_arr[i]);
}
/* Parse remaining packet info. */
for (; i < nb_rx; i++)
fib_parse_packet(pkts_burst[i],
&ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt,
&type_arr[i]);
/* Lookup IPv4 hops if IPv4 packets are present. */
if (likely(ipv4_cnt > 0))
rte_fib_lookup_bulk(qconf->ipv4_lookup_struct,
ipv4_arr, hopsv4, ipv4_cnt);
/* Lookup IPv6 hops if IPv6 packets are present. */
if (ipv6_cnt > 0)
rte_fib6_lookup_bulk(qconf->ipv6_lookup_struct,
ipv6_arr, hopsv6, ipv6_cnt);
/* Add IPv4 and IPv6 hops to one array depending on type. */
for (i = 0; i < nb_rx; i++) {
if (type_arr[i])
nh = (uint16_t)hopsv4[ipv4_arr_assem++];
else
nh = (uint16_t)hopsv6[ipv6_arr_assem++];
hops[i] = nh != FIB_DEFAULT_HOP ? nh : portid;
}
#if defined FIB_SEND_MULTI
send_packets_multi(qconf, pkts_burst, hops, nb_rx);
#else
fib_send_single(nb_rx, qconf, pkts_burst, hops);
#endif
}
/* Main fib processing loop. */
int
fib_main_loop(__rte_unused void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned int lcore_id;
uint64_t prev_tsc, diff_tsc, cur_tsc;
int i, nb_rx;
uint16_t portid;
uint8_t queueid;
struct lcore_conf *qconf;
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
US_PER_S * BURST_TX_DRAIN_US;
lcore_id = rte_lcore_id();
qconf = &lcore_conf[lcore_id];
const uint16_t n_rx_q = qconf->n_rx_queue;
const uint16_t n_tx_p = qconf->n_tx_port;
if (n_rx_q == 0) {
RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
return 0;
}
RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
for (i = 0; i < n_rx_q; i++) {
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
RTE_LOG(INFO, L3FWD,
" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
lcore_id, portid, queueid);
}
cur_tsc = rte_rdtsc();
prev_tsc = cur_tsc;
while (!force_quit) {
/* TX burst queue drain. */
diff_tsc = cur_tsc - prev_tsc;
if (unlikely(diff_tsc > drain_tsc)) {
for (i = 0; i < n_tx_p; ++i) {
portid = qconf->tx_port_id[i];
if (qconf->tx_mbufs[portid].len == 0)
continue;
send_burst(qconf,
qconf->tx_mbufs[portid].len,
portid);
qconf->tx_mbufs[portid].len = 0;
}
prev_tsc = cur_tsc;
}
/* Read packet from RX queues. */
for (i = 0; i < n_rx_q; ++i) {
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
MAX_PKT_BURST);
if (nb_rx == 0)
continue;
/* Use fib to lookup port IDs and transmit them. */
fib_send_packets(nb_rx, pkts_burst, portid, qconf);
}
cur_tsc = rte_rdtsc();
}
return 0;
}
/* One eventdev loop for single and burst using fib. */
fib_event_loop(struct l3fwd_event_resources *evt_rsrc,
const uint8_t flags)
{
const int event_p_id = l3fwd_get_free_event_port(evt_rsrc);
const uint8_t tx_q_id = evt_rsrc->evq.event_q_id[
evt_rsrc->evq.nb_queues - 1];
const uint8_t event_d_id = evt_rsrc->event_d_id;
const uint16_t deq_len = evt_rsrc->deq_depth;
struct rte_event events[MAX_PKT_BURST];
struct lcore_conf *lconf;
unsigned int lcore_id;
int nb_enq, nb_deq, i;
uint32_t ipv4_arr[MAX_PKT_BURST];
uint8_t ipv6_arr[MAX_PKT_BURST][RTE_FIB6_IPV6_ADDR_SIZE];
uint64_t hopsv4[MAX_PKT_BURST], hopsv6[MAX_PKT_BURST];
uint16_t nh;
uint8_t type_arr[MAX_PKT_BURST];
uint32_t ipv4_cnt, ipv6_cnt;
uint32_t ipv4_arr_assem, ipv6_arr_assem;
if (event_p_id < 0)
return;
lcore_id = rte_lcore_id();
lconf = &lcore_conf[lcore_id];
RTE_LOG(INFO, L3FWD, "entering %s on lcore %u\n", __func__, lcore_id);
while (!force_quit) {
/* Read events from RX queues. */
nb_deq = rte_event_dequeue_burst(event_d_id, event_p_id,
events, deq_len, 0);
if (nb_deq == 0) {
continue;
}
/* Reset counters. */
ipv4_cnt = 0;
ipv6_cnt = 0;
ipv4_arr_assem = 0;
ipv6_arr_assem = 0;
/* Prefetch first packets. */
for (i = 0; i < FIB_PREFETCH_OFFSET && i < nb_deq; i++)
rte_prefetch0(rte_pktmbuf_mtod(events[i].mbuf, void *));
/* Parse packet info and prefetch. */
for (i = 0; i < (nb_deq - FIB_PREFETCH_OFFSET); i++) {
if (flags & L3FWD_EVENT_TX_ENQ) {
events[i].queue_id = tx_q_id;
events[i].op = RTE_EVENT_OP_FORWARD;
}
if (flags & L3FWD_EVENT_TX_DIRECT)
0);
/* Prefetch packet. */
i + FIB_PREFETCH_OFFSET].mbuf,
void *));
fib_parse_packet(events[i].mbuf,
&ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt,
&type_arr[i]);
}
/* Parse remaining packet info. */
for (; i < nb_deq; i++) {
if (flags & L3FWD_EVENT_TX_ENQ) {
events[i].queue_id = tx_q_id;
events[i].op = RTE_EVENT_OP_FORWARD;
}
if (flags & L3FWD_EVENT_TX_DIRECT)
0);
fib_parse_packet(events[i].mbuf,
&ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt,
&type_arr[i]);
}
/* Lookup IPv4 hops if IPv4 packets are present. */
if (likely(ipv4_cnt > 0))
rte_fib_lookup_bulk(lconf->ipv4_lookup_struct,
ipv4_arr, hopsv4, ipv4_cnt);
/* Lookup IPv6 hops if IPv6 packets are present. */
if (ipv6_cnt > 0)
rte_fib6_lookup_bulk(lconf->ipv6_lookup_struct,
ipv6_arr, hopsv6, ipv6_cnt);
/* Assign ports looked up in fib depending on IPv4 or IPv6 */
for (i = 0; i < nb_deq; i++) {
if (type_arr[i])
nh = (uint16_t)hopsv4[ipv4_arr_assem++];
else
nh = (uint16_t)hopsv6[ipv6_arr_assem++];
if (nh != FIB_DEFAULT_HOP)
events[i].mbuf->port = nh;
}
if (flags & L3FWD_EVENT_TX_ENQ) {
nb_enq = rte_event_enqueue_burst(event_d_id, event_p_id,
events, nb_deq);
while (nb_enq < nb_deq && !force_quit)
nb_enq += rte_event_enqueue_burst(event_d_id,
event_p_id, events + nb_enq,
nb_deq - nb_enq);
}
if (flags & L3FWD_EVENT_TX_DIRECT) {
nb_enq = rte_event_eth_tx_adapter_enqueue(event_d_id,
event_p_id, events, nb_deq, 0);
while (nb_enq < nb_deq && !force_quit)
event_d_id, event_p_id,
events + nb_enq,
nb_deq - nb_enq, 0);
}
}
}
fib_event_main_loop_tx_d(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
fib_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT);
return 0;
}
fib_event_main_loop_tx_d_burst(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
fib_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT);
return 0;
}
fib_event_main_loop_tx_q(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
fib_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ);
return 0;
}
fib_event_main_loop_tx_q_burst(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
fib_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ);
return 0;
}
fib_process_event_vector(struct rte_event_vector *vec)
{
uint8_t ipv6_arr[MAX_PKT_BURST][RTE_FIB6_IPV6_ADDR_SIZE];
uint64_t hopsv4[MAX_PKT_BURST], hopsv6[MAX_PKT_BURST];
uint32_t ipv4_arr_assem, ipv6_arr_assem;
struct rte_mbuf **mbufs = vec->mbufs;
uint32_t ipv4_arr[MAX_PKT_BURST];
uint8_t type_arr[MAX_PKT_BURST];
uint32_t ipv4_cnt, ipv6_cnt;
struct lcore_conf *lconf;
uint16_t nh;
int i;
lconf = &lcore_conf[rte_lcore_id()];
/* Reset counters. */
ipv4_cnt = 0;
ipv6_cnt = 0;
ipv4_arr_assem = 0;
ipv6_arr_assem = 0;
/* Prefetch first packets. */
for (i = 0; i < FIB_PREFETCH_OFFSET && i < vec->nb_elem; i++)
rte_prefetch0(rte_pktmbuf_mtod(mbufs[i], void *));
/* Parse packet info and prefetch. */
for (i = 0; i < (vec->nb_elem - FIB_PREFETCH_OFFSET); i++) {
rte_prefetch0(rte_pktmbuf_mtod(mbufs[i + FIB_PREFETCH_OFFSET],
void *));
fib_parse_packet(mbufs[i], &ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt, &type_arr[i]);
}
/* Parse remaining packet info. */
for (; i < vec->nb_elem; i++)
fib_parse_packet(mbufs[i], &ipv4_arr[ipv4_cnt], &ipv4_cnt,
ipv6_arr[ipv6_cnt], &ipv6_cnt, &type_arr[i]);
/* Lookup IPv4 hops if IPv4 packets are present. */
if (likely(ipv4_cnt > 0))
rte_fib_lookup_bulk(lconf->ipv4_lookup_struct, ipv4_arr, hopsv4,
ipv4_cnt);
/* Lookup IPv6 hops if IPv6 packets are present. */
if (ipv6_cnt > 0)
rte_fib6_lookup_bulk(lconf->ipv6_lookup_struct, ipv6_arr,
hopsv6, ipv6_cnt);
if (vec->attr_valid) {
nh = type_arr[0] ? (uint16_t)hopsv4[0] : (uint16_t)hopsv6[0];
if (nh != FIB_DEFAULT_HOP)
vec->port = nh;
else
vec->attr_valid = 0;
}
/* Assign ports looked up in fib depending on IPv4 or IPv6 */
for (i = 0; i < vec->nb_elem; i++) {
if (type_arr[i])
nh = (uint16_t)hopsv4[ipv4_arr_assem++];
else
nh = (uint16_t)hopsv6[ipv6_arr_assem++];
if (nh != FIB_DEFAULT_HOP)
mbufs[i]->port = nh;
event_vector_attr_validate(vec, mbufs[i]);
}
}
fib_event_loop_vector(struct l3fwd_event_resources *evt_rsrc,
const uint8_t flags)
{
const int event_p_id = l3fwd_get_free_event_port(evt_rsrc);
const uint8_t tx_q_id =
evt_rsrc->evq.event_q_id[evt_rsrc->evq.nb_queues - 1];
const uint8_t event_d_id = evt_rsrc->event_d_id;
const uint16_t deq_len = evt_rsrc->deq_depth;
struct rte_event events[MAX_PKT_BURST];
int nb_enq, nb_deq, i;
if (event_p_id < 0)
return;
RTE_LOG(INFO, L3FWD, "entering %s on lcore %u\n", __func__,
while (!force_quit) {
/* Read events from RX queues. */
nb_deq = rte_event_dequeue_burst(event_d_id, event_p_id, events,
deq_len, 0);
if (nb_deq == 0) {
continue;
}
for (i = 0; i < nb_deq; i++) {
if (flags & L3FWD_EVENT_TX_ENQ) {
events[i].queue_id = tx_q_id;
events[i].op = RTE_EVENT_OP_FORWARD;
}
fib_process_event_vector(events[i].vec);
if (flags & L3FWD_EVENT_TX_DIRECT)
event_vector_txq_set(events[i].vec, 0);
}
if (flags & L3FWD_EVENT_TX_ENQ) {
nb_enq = rte_event_enqueue_burst(event_d_id, event_p_id,
events, nb_deq);
while (nb_enq < nb_deq && !force_quit)
event_d_id, event_p_id, events + nb_enq,
nb_deq - nb_enq);
}
if (flags & L3FWD_EVENT_TX_DIRECT) {
event_d_id, event_p_id, events, nb_deq, 0);
while (nb_enq < nb_deq && !force_quit)
event_d_id, event_p_id, events + nb_enq,
nb_deq - nb_enq, 0);
}
}
}
fib_event_main_loop_tx_d_vector(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
fib_event_loop_vector(evt_rsrc, L3FWD_EVENT_TX_DIRECT);
return 0;
}
fib_event_main_loop_tx_d_burst_vector(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
fib_event_loop_vector(evt_rsrc, L3FWD_EVENT_TX_DIRECT);
return 0;
}
fib_event_main_loop_tx_q_vector(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
fib_event_loop_vector(evt_rsrc, L3FWD_EVENT_TX_ENQ);
return 0;
}
fib_event_main_loop_tx_q_burst_vector(__rte_unused void *dummy)
{
struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
fib_event_loop_vector(evt_rsrc, L3FWD_EVENT_TX_ENQ);
return 0;
}
/* Function to setup fib. 8< */
void
setup_fib(const int socketid)
{
struct rte_eth_dev_info dev_info;
struct rte_fib6_conf config;
struct rte_fib_conf config_ipv4;
unsigned int i;
int ret;
char s[64];
char abuf[INET6_ADDRSTRLEN];
/* Create the fib IPv4 table. */
config_ipv4.type = RTE_FIB_DIR24_8;
config_ipv4.max_routes = (1 << 16);
config_ipv4.rib_ext_sz = 0;
config_ipv4.default_nh = FIB_DEFAULT_HOP;
config_ipv4.dir24_8.nh_sz = RTE_FIB_DIR24_8_4B;
config_ipv4.dir24_8.num_tbl8 = (1 << 15);
snprintf(s, sizeof(s), "IPV4_L3FWD_FIB_%d", socketid);
ipv4_l3fwd_fib_lookup_struct[socketid] =
rte_fib_create(s, socketid, &config_ipv4);
if (ipv4_l3fwd_fib_lookup_struct[socketid] == NULL)
rte_exit(EXIT_FAILURE,
"Unable to create the l3fwd FIB table on socket %d\n",
socketid);
/* Populate the fib ipv4 table. */
for (i = 0; i < RTE_DIM(ipv4_l3fwd_route_array); i++) {
struct in_addr in;
/* Skip unused ports. */
if ((1 << ipv4_l3fwd_route_array[i].if_out &
enabled_port_mask) == 0)
continue;
rte_eth_dev_info_get(ipv4_l3fwd_route_array[i].if_out,
&dev_info);
ret = rte_fib_add(ipv4_l3fwd_fib_lookup_struct[socketid],
ipv4_l3fwd_route_array[i].ip,
ipv4_l3fwd_route_array[i].depth,
ipv4_l3fwd_route_array[i].if_out);
if (ret < 0) {
rte_exit(EXIT_FAILURE,
"Unable to add entry %u to the l3fwd FIB table on socket %d\n",
i, socketid);
}
in.s_addr = htonl(ipv4_l3fwd_route_array[i].ip);
if (inet_ntop(AF_INET, &in, abuf, sizeof(abuf)) != NULL) {
printf("FIB: Adding route %s / %d (%d) [%s]\n", abuf,
ipv4_l3fwd_route_array[i].depth,
ipv4_l3fwd_route_array[i].if_out,
dev_info.device->name);
} else {
printf("FIB: IPv4 route added to port %d [%s]\n",
ipv4_l3fwd_route_array[i].if_out,
dev_info.device->name);
}
}
/* >8 End of setup fib. */
/* Create the fib IPv6 table. */
snprintf(s, sizeof(s), "IPV6_L3FWD_FIB_%d", socketid);
config.type = RTE_FIB6_TRIE;
config.max_routes = (1 << 16) - 1;
config.rib_ext_sz = 0;
config.default_nh = FIB_DEFAULT_HOP;
config.trie.nh_sz = RTE_FIB6_TRIE_4B;
config.trie.num_tbl8 = (1 << 15);
ipv6_l3fwd_fib_lookup_struct[socketid] = rte_fib6_create(s, socketid,
&config);
if (ipv6_l3fwd_fib_lookup_struct[socketid] == NULL)
rte_exit(EXIT_FAILURE,
"Unable to create the l3fwd FIB table on socket %d\n",
socketid);
/* Populate the fib IPv6 table. */
for (i = 0; i < RTE_DIM(ipv6_l3fwd_route_array); i++) {
/* Skip unused ports. */
if ((1 << ipv6_l3fwd_route_array[i].if_out &
enabled_port_mask) == 0)
continue;
rte_eth_dev_info_get(ipv6_l3fwd_route_array[i].if_out,
&dev_info);
ret = rte_fib6_add(ipv6_l3fwd_fib_lookup_struct[socketid],
ipv6_l3fwd_route_array[i].ip,
ipv6_l3fwd_route_array[i].depth,
ipv6_l3fwd_route_array[i].if_out);
if (ret < 0) {
rte_exit(EXIT_FAILURE,
"Unable to add entry %u to the l3fwd FIB table on socket %d\n",
i, socketid);
}
if (inet_ntop(AF_INET6, ipv6_l3fwd_route_array[i].ip,
abuf, sizeof(abuf)) != NULL) {
printf("FIB: Adding route %s / %d (%d) [%s]\n", abuf,
ipv6_l3fwd_route_array[i].depth,
ipv6_l3fwd_route_array[i].if_out,
dev_info.device->name);
} else {
printf("FIB: IPv6 route added to port %d [%s]\n",
ipv6_l3fwd_route_array[i].if_out,
dev_info.device->name);
}
}
}
/* Return ipv4 fib lookup struct. */
void *
fib_get_ipv4_l3fwd_lookup_struct(const int socketid)
{
return ipv4_l3fwd_fib_lookup_struct[socketid];
}
/* Return ipv6 fib lookup struct. */
void *
fib_get_ipv6_l3fwd_lookup_struct(const int socketid)
{
return ipv6_l3fwd_fib_lookup_struct[socketid];
}