#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 <sys/socket.h>
#include <arpa/inet.h>
#include "l3fwd.h"
#include "l3fwd_event.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 const struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
};
static const struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6},
{{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7},
};
#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)
static struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
static struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
static inline uint16_t
uint16_t portid,
struct rte_lpm *ipv4_l3fwd_lookup_struct)
{
uint32_t next_hop;
return next_hop;
else
return portid;
}
static inline uint16_t
uint16_t portid,
struct rte_lpm6 *ipv6_l3fwd_lookup_struct)
{
const uint8_t *dst_ip = ipv6_hdr->
dst_addr;
uint32_t next_hop;
return next_hop;
else
return portid;
}
lpm_get_dst_port(
const struct lcore_conf *qconf,
struct rte_mbuf *pkt,
uint16_t portid)
{
return lpm_get_ipv4_dst_port(ipv4_hdr, portid,
qconf->ipv4_lookup_struct);
return lpm_get_ipv6_dst_port(ipv6_hdr, portid,
qconf->ipv6_lookup_struct);
}
return portid;
}
lpm_get_dst_port_with_ipv4(
const struct lcore_conf *qconf,
struct rte_mbuf *pkt,
uint32_t dst_ipv4, uint16_t portid)
{
uint32_t next_hop;
dst_ipv4, &next_hop) == 0)
? next_hop : portid);
? next_hop : portid);
}
return portid;
}
#if defined(RTE_ARCH_X86)
#include "l3fwd_lpm_sse.h"
#elif defined __ARM_NEON
#include "l3fwd_lpm_neon.h"
#elif defined(RTE_ARCH_PPC_64)
#include "l3fwd_lpm_altivec.h"
#else
#include "l3fwd_lpm.h"
#endif
int
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned lcore_id;
uint64_t prev_tsc, diff_tsc, cur_tsc;
int i, nb_rx;
uint16_t portid;
uint8_t 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=%u 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 RTE_ARCH_X86 || defined __ARM_NEON \
|| defined RTE_ARCH_PPC_64
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;
}
lpm_process_event_pkt(
const struct lcore_conf *lconf,
struct rte_mbuf *mbuf)
{
mbuf->
port = lpm_get_dst_port(lconf, mbuf, mbuf->
port);
#if defined RTE_ARCH_X86 || defined __ARM_NEON \
|| defined RTE_ARCH_PPC_64
process_packet(mbuf, &mbuf->
port);
#else
#ifdef DO_RFC_1812_CHECKS
if (is_valid_ipv4_pkt(ipv4_hdr, mbuf->
pkt_len)
< 0) {
continue;
}
}
#endif
*(uint64_t *)ð_hdr->
d_addr = dest_eth_addr[mbuf->
port];
#endif
}
lpm_event_loop_single(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;
struct lcore_conf *lconf;
unsigned int lcore_id;
if (event_p_id < 0)
return;
lconf = &lcore_conf[lcore_id];
RTE_LOG(INFO, L3FWD,
"entering %s on lcore %u\n", __func__, lcore_id);
while (!force_quit) {
continue;
if (lpm_process_event_pkt(lconf, ev.mbuf) == BAD_PORT) {
continue;
}
if (flags & L3FWD_EVENT_TX_ENQ) {
ev.queue_id = tx_q_id;
&ev, 1) && !force_quit)
;
}
if (flags & L3FWD_EVENT_TX_DIRECT) {
event_p_id, &ev, 1, 0) &&
!force_quit)
;
}
}
}
lpm_event_loop_burst(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 lcore_conf *lconf;
unsigned int lcore_id;
int i, nb_enq, nb_deq;
if (event_p_id < 0)
return;
lconf = &lcore_conf[lcore_id];
RTE_LOG(INFO, L3FWD,
"entering %s on lcore %u\n", __func__, lcore_id);
while (!force_quit) {
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;
}
if (flags & L3FWD_EVENT_TX_DIRECT)
0);
lpm_process_event_pkt(lconf, events[i].mbuf);
}
if (flags & L3FWD_EVENT_TX_ENQ) {
events, nb_deq);
while (nb_enq < nb_deq && !force_quit)
event_p_id, events + nb_enq,
nb_deq - nb_enq);
}
if (flags & L3FWD_EVENT_TX_DIRECT) {
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);
}
}
}
lpm_event_loop(struct l3fwd_event_resources *evt_rsrc,
const uint8_t flags)
{
if (flags & L3FWD_EVENT_SINGLE)
lpm_event_loop_single(evt_rsrc, flags);
if (flags & L3FWD_EVENT_BURST)
lpm_event_loop_burst(evt_rsrc, flags);
}
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT | L3FWD_EVENT_SINGLE);
return 0;
}
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT | L3FWD_EVENT_BURST);
return 0;
}
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ | L3FWD_EVENT_SINGLE);
return 0;
}
{
struct l3fwd_event_resources *evt_rsrc =
l3fwd_get_eventdev_rsrc();
lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ | L3FWD_EVENT_BURST);
return 0;
}
void
setup_lpm(const int socketid)
{
unsigned i;
int ret;
char s[64];
char abuf[INET6_ADDRSTRLEN];
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 <
RTE_DIM(ipv4_l3fwd_lpm_route_array); i++) {
struct in_addr in;
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);
}
in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
printf("LPM: Adding route %s / %d (%d)\n",
inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
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 <
RTE_DIM(ipv6_l3fwd_lpm_route_array); 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",
inet_ntop(AF_INET6, ipv6_l3fwd_lpm_route_array[i].ip,
abuf, sizeof(abuf)),
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
lpm_cb_parse_ptype(uint16_t port
__rte_unused, uint16_t queue __rte_unused,
struct rte_mbuf *pkts[], uint16_t nb_pkts,
uint16_t max_pkts __rte_unused,
void *user_param __rte_unused)
{
unsigned int i;
return nb_pkts;
for (i = 0; i < (unsigned int) (nb_pkts - 1); ++i) {
struct ether_hdr *));
lpm_parse_ptype(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];
}