#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <string.h>
#include <sys/queue.h>
#include <stdarg.h>
#include <errno.h>
#include <getopt.h>
#include <stdbool.h>
#include "l3fwd.h"
struct ipv4_l3fwd_lpm_route {
uint32_t ip;
uint8_t depth;
uint8_t if_out;
};
struct ipv6_l3fwd_lpm_route {
uint8_t ip[16];
uint8_t depth;
uint8_t if_out;
};
static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
{
IPv4(1, 1, 1, 0), 24, 0},
{
IPv4(2, 1, 1, 0), 24, 1},
{
IPv4(3, 1, 1, 0), 24, 2},
{
IPv4(4, 1, 1, 0), 24, 3},
{
IPv4(5, 1, 1, 0), 24, 4},
{
IPv4(6, 1, 1, 0), 24, 5},
{
IPv4(7, 1, 1, 0), 24, 6},
{
IPv4(8, 1, 1, 0), 24, 7},
};
static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
{{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
{{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
{{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
{{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
{{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
{{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
{{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
{{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
};
#define IPV4_L3FWD_LPM_NUM_ROUTES \
(sizeof(ipv4_l3fwd_lpm_route_array) / sizeof(ipv4_l3fwd_lpm_route_array[0]))
#define IPV6_L3FWD_LPM_NUM_ROUTES \
(sizeof(ipv6_l3fwd_lpm_route_array) / sizeof(ipv6_l3fwd_lpm_route_array[0]))
#define IPV4_L3FWD_LPM_MAX_RULES 1024
#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
#define IPV6_L3FWD_LPM_MAX_RULES 1024
#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
#if defined(__SSE4_1__)
#include "l3fwd_lpm_sse.h"
#else
#include "l3fwd_lpm.h"
#endif
int
lpm_main_loop(__attribute__((unused)) void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned lcore_id;
uint64_t prev_tsc, diff_tsc, cur_tsc;
int i, nb_rx;
uint8_t portid, queueid;
struct lcore_conf *qconf;
US_PER_S * BURST_TX_DRAIN_US;
prev_tsc = 0;
qconf = &lcore_conf[lcore_id];
if (qconf->n_rx_queue == 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 < qconf->n_rx_queue; i++) {
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
" -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
lcore_id, portid, queueid);
}
while (!force_quit) {
cur_tsc = rte_rdtsc();
diff_tsc = cur_tsc - prev_tsc;
for (i = 0; i < qconf->n_tx_port; ++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;
}
for (i = 0; i < qconf->n_rx_queue; ++i) {
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
MAX_PKT_BURST);
if (nb_rx == 0)
continue;
#if defined(__SSE4_1__)
l3fwd_lpm_send_packets(nb_rx, pkts_burst,
portid, qconf);
#else
l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst,
portid, qconf);
#endif
}
}
return 0;
}
void
setup_lpm(const int socketid)
{
unsigned i;
int ret;
char s[64];
config_ipv4.
max_rules = IPV4_L3FWD_LPM_MAX_RULES;
config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
config_ipv4.flags = 0;
snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
ipv4_l3fwd_lpm_lookup_struct[socketid] =
if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
"Unable to create the l3fwd LPM table on socket %d\n",
socketid);
for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
enabled_port_mask) == 0)
continue;
ret =
rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
ipv4_l3fwd_lpm_route_array[i].ip,
ipv4_l3fwd_lpm_route_array[i].depth,
ipv4_l3fwd_lpm_route_array[i].if_out);
if (ret < 0) {
"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
i, socketid);
}
printf("LPM: Adding route 0x%08x / %d (%d)\n",
(unsigned)ipv4_l3fwd_lpm_route_array[i].ip,
ipv4_l3fwd_lpm_route_array[i].depth,
ipv4_l3fwd_lpm_route_array[i].if_out);
}
snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
config.flags = 0;
&config);
if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
"Unable to create the l3fwd LPM table on socket %d\n",
socketid);
for (i = 0; i < IPV6_L3FWD_LPM_NUM_ROUTES; i++) {
if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
enabled_port_mask) == 0)
continue;
ipv6_l3fwd_lpm_route_array[i].ip,
ipv6_l3fwd_lpm_route_array[i].depth,
ipv6_l3fwd_lpm_route_array[i].if_out);
if (ret < 0) {
"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
i, socketid);
}
printf("LPM: Adding route %s / %d (%d)\n",
"IPV6",
ipv6_l3fwd_lpm_route_array[i].depth,
ipv6_l3fwd_lpm_route_array[i].if_out);
}
}
int
lpm_check_ptype(int portid)
{
int i, ret;
int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
if (ret <= 0)
return 0;
uint32_t ptypes[ret];
for (i = 0; i < ret; ++i) {
ptype_l3_ipv4 = 1;
ptype_l3_ipv6 = 1;
}
if (ptype_l3_ipv4 == 0)
printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
if (ptype_l3_ipv6 == 0)
printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
if (ptype_l3_ipv4 && ptype_l3_ipv6)
return 1;
return 0;
}
static inline void
{
}
uint16_t
struct rte_mbuf *pkts[], uint16_t nb_pkts,
uint16_t max_pkts __rte_unused,
void *user_param __rte_unused)
{
unsigned i;
for (i = 0; i < nb_pkts; ++i)
lpm_parse_ptype(pkts[i]);
return nb_pkts;
}
void *
lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
{
return ipv4_l3fwd_lpm_lookup_struct[socketid];
}
void *
lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
{
return ipv6_l3fwd_lpm_lookup_struct[socketid];
}