+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
- */
-
-#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 <signal.h>
-
-#include <rte_common.h>
-#include <rte_byteorder.h>
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memcpy.h>
-#include <rte_eal.h>
-#include <rte_launch.h>
-#include <rte_atomic.h>
-#include <rte_spinlock.h>
-#include <rte_cycles.h>
-#include <rte_prefetch.h>
-#include <rte_lcore.h>
-#include <rte_per_lcore.h>
-#include <rte_branch_prediction.h>
-#include <rte_interrupts.h>
-#include <rte_random.h>
-#include <rte_debug.h>
-#include <rte_ether.h>
-#include <rte_ethdev.h>
-#include <rte_mempool.h>
-#include <rte_mbuf.h>
-#include <rte_ip.h>
-#include <rte_tcp.h>
-#include <rte_udp.h>
-#include <rte_string_fns.h>
-
-#define APP_LOOKUP_EXACT_MATCH 0
-#define APP_LOOKUP_LPM 1
-#define DO_RFC_1812_CHECKS
-
-//#define APP_LOOKUP_METHOD APP_LOOKUP_EXACT_MATCH
-#ifndef APP_LOOKUP_METHOD
-#define APP_LOOKUP_METHOD APP_LOOKUP_LPM
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-#include <rte_hash.h>
-#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-#include <rte_lpm.h>
-#else
-#error "APP_LOOKUP_METHOD set to incorrect value"
-#endif
-
-#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
-
-#define MEMPOOL_CACHE_SIZE 256
-
-/*
- * This expression is used to calculate the number of mbufs needed depending on user input, taking
- * into account memory for rx and tx hardware rings, cache per lcore and mtable per port per lcore.
- * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum value of 8192
- */
-
-#define NB_MBUF RTE_MAX ( \
- (nb_ports*nb_rx_queue*nb_rxd + \
- nb_ports*nb_lcores*MAX_PKT_BURST + \
- nb_ports*n_tx_queue*nb_txd + \
- nb_lcores*MEMPOOL_CACHE_SIZE), \
- (unsigned)8192)
-
-#define MAX_PKT_BURST 32
-#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-
-#define NB_SOCKETS 8
-
-#define SOCKET0 0
-
-/* Configure how many packets ahead to prefetch, when reading packets */
-#define PREFETCH_OFFSET 3
-
-/*
- * Configurable number of RX/TX ring descriptors
- */
-#define RTE_TEST_RX_DESC_DEFAULT 1024
-#define RTE_TEST_TX_DESC_DEFAULT 1024
-static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
-static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
-
-/* ethernet addresses of ports */
-static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
-
-/* mask of enabled ports */
-static uint32_t enabled_port_mask = 0;
-static int numa_on = 1; /**< NUMA is enabled by default. */
-
-struct mbuf_table {
- uint16_t len;
- struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
-
-struct lcore_rx_queue {
- uint16_t port_id;
- uint8_t queue_id;
-} __rte_cache_aligned;
-
-#define MAX_RX_QUEUE_PER_LCORE 16
-#define MAX_TX_QUEUE_PER_PORT 1
-#define MAX_RX_QUEUE_PER_PORT 1
-
-#define MAX_LCORE_PARAMS 1024
-struct lcore_params {
- uint16_t port_id;
- uint8_t queue_id;
- uint8_t lcore_id;
-} __rte_cache_aligned;
-
-static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
-static struct lcore_params lcore_params_array_default[] = {
- {0, 0, 2},
- {0, 1, 2},
- {0, 2, 2},
- {1, 0, 2},
- {1, 1, 2},
- {1, 2, 2},
- {2, 0, 2},
- {3, 0, 3},
- {3, 1, 3},
-};
-
-static struct lcore_params * lcore_params = lcore_params_array_default;
-static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
- sizeof(lcore_params_array_default[0]);
-
-static struct rte_eth_conf port_conf = {
- .rxmode = {
- .mq_mode = ETH_MQ_RX_RSS,
- .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
- .split_hdr_size = 0,
- .offloads = DEV_RX_OFFLOAD_CHECKSUM,
- },
- .rx_adv_conf = {
- .rss_conf = {
- .rss_key = NULL,
- .rss_hf = ETH_RSS_IP,
- },
- },
- .txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- },
-};
-
-static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
-
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-
-#ifdef RTE_ARCH_X86
-#include <rte_hash_crc.h>
-#define DEFAULT_HASH_FUNC rte_hash_crc
-#else
-#include <rte_jhash.h>
-#define DEFAULT_HASH_FUNC rte_jhash
-#endif
-
-struct ipv4_5tuple {
- uint32_t ip_dst;
- uint32_t ip_src;
- uint16_t port_dst;
- uint16_t port_src;
- uint8_t proto;
-} __attribute__((__packed__));
-
-struct l3fwd_route {
- struct ipv4_5tuple key;
- uint8_t if_out;
-};
-
-static struct l3fwd_route l3fwd_route_array[] = {
- {{RTE_IPV4(100,10,0,1), RTE_IPV4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
- {{RTE_IPV4(100,20,0,2), RTE_IPV4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
- {{RTE_IPV4(100,30,0,3), RTE_IPV4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
- {{RTE_IPV4(100,40,0,4), RTE_IPV4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
-};
-
-typedef struct rte_hash lookup_struct_t;
-static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
-
-#define L3FWD_HASH_ENTRIES 1024
-struct rte_hash_parameters l3fwd_hash_params = {
- .name = "l3fwd_hash_0",
- .entries = L3FWD_HASH_ENTRIES,
- .key_len = sizeof(struct ipv4_5tuple),
- .hash_func = DEFAULT_HASH_FUNC,
- .hash_func_init_val = 0,
- .socket_id = SOCKET0,
-};
-
-#define L3FWD_NUM_ROUTES \
- (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
-
-static uint8_t l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-struct l3fwd_route {
- uint32_t ip;
- uint8_t depth;
- uint8_t if_out;
-};
-
-static struct l3fwd_route l3fwd_route_array[] = {
- {RTE_IPV4(1,1,1,0), 24, 0},
- {RTE_IPV4(2,1,1,0), 24, 1},
- {RTE_IPV4(3,1,1,0), 24, 2},
- {RTE_IPV4(4,1,1,0), 24, 3},
- {RTE_IPV4(5,1,1,0), 24, 4},
- {RTE_IPV4(6,1,1,0), 24, 5},
- {RTE_IPV4(7,1,1,0), 24, 6},
- {RTE_IPV4(8,1,1,0), 24, 7},
-};
-
-#define L3FWD_NUM_ROUTES \
- (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
-
-#define L3FWD_LPM_MAX_RULES 1024
-
-typedef struct rte_lpm lookup_struct_t;
-static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
-#endif
-
-struct lcore_conf {
- uint16_t n_rx_queue;
- struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
- uint16_t tx_queue_id;
- struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
- lookup_struct_t * lookup_struct;
-} __rte_cache_aligned;
-
-static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
-static rte_spinlock_t spinlock_conf[RTE_MAX_ETHPORTS] = {RTE_SPINLOCK_INITIALIZER};
-/* Send burst of packets on an output interface */
-static inline int
-send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
-{
- struct rte_mbuf **m_table;
- int ret;
- uint16_t queueid;
-
- queueid = qconf->tx_queue_id;
- m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
-
- rte_spinlock_lock(&spinlock_conf[port]);
- ret = rte_eth_tx_burst(port, queueid, m_table, n);
- rte_spinlock_unlock(&spinlock_conf[port]);
-
- if (unlikely(ret < n)) {
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < n);
- }
-
- return 0;
-}
-
-/* Enqueue a single packet, and send burst if queue is filled */
-static inline int
-send_single_packet(struct rte_mbuf *m, uint16_t port)
-{
- uint32_t lcore_id;
- uint16_t len;
- struct lcore_conf *qconf;
-
- lcore_id = rte_lcore_id();
-
- qconf = &lcore_conf[lcore_id];
- len = qconf->tx_mbufs[port].len;
- qconf->tx_mbufs[port].m_table[len] = m;
- len++;
-
- /* enough pkts to be sent */
- if (unlikely(len == MAX_PKT_BURST)) {
- send_burst(qconf, MAX_PKT_BURST, port);
- len = 0;
- }
-
- qconf->tx_mbufs[port].len = len;
- return 0;
-}
-
-#ifdef DO_RFC_1812_CHECKS
-static inline int
-is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
-{
- /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
- /*
- * 1. The packet length reported by the Link Layer must be large
- * enough to hold the minimum length legal IP datagram (20 bytes).
- */
- if (link_len < sizeof(struct rte_ipv4_hdr))
- return -1;
-
- /* 2. The IP checksum must be correct. */
- /* this is checked in H/W */
-
- /*
- * 3. The IP version number must be 4. If the version number is not 4
- * then the packet may be another version of IP, such as IPng or
- * ST-II.
- */
- if (((pkt->version_ihl) >> 4) != 4)
- return -3;
- /*
- * 4. The IP header length field must be large enough to hold the
- * minimum length legal IP datagram (20 bytes = 5 words).
- */
- if ((pkt->version_ihl & 0xf) < 5)
- return -4;
-
- /*
- * 5. The IP total length field must be large enough to hold the IP
- * datagram header, whose length is specified in the IP header length
- * field.
- */
- if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
- return -5;
-
- return 0;
-}
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-static void
-print_key(struct ipv4_5tuple key)
-{
- printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, proto = %d\n",
- (unsigned)key.ip_dst, (unsigned)key.ip_src, key.port_dst, key.port_src, key.proto);
-}
-
-static inline uint16_t
-get_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
- lookup_struct_t *l3fwd_lookup_struct)
-{
- struct ipv4_5tuple key;
- struct rte_tcp_hdr *tcp;
- struct rte_udp_hdr *udp;
- int ret = 0;
-
- key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
- key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
- key.proto = ipv4_hdr->next_proto_id;
-
- switch (ipv4_hdr->next_proto_id) {
- case IPPROTO_TCP:
- tcp = (struct rte_tcp_hdr *)((unsigned char *) ipv4_hdr +
- sizeof(struct rte_ipv4_hdr));
- key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
- key.port_src = rte_be_to_cpu_16(tcp->src_port);
- break;
-
- case IPPROTO_UDP:
- udp = (struct rte_udp_hdr *)((unsigned char *) ipv4_hdr +
- sizeof(struct rte_ipv4_hdr));
- key.port_dst = rte_be_to_cpu_16(udp->dst_port);
- key.port_src = rte_be_to_cpu_16(udp->src_port);
- break;
-
- default:
- key.port_dst = 0;
- key.port_src = 0;
- }
-
- /* Find destination port */
- ret = rte_hash_lookup(l3fwd_lookup_struct, (const void *)&key);
- return ((ret < 0) ? portid : l3fwd_out_if[ret]);
-}
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-static inline uint32_t
-get_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
- lookup_struct_t *l3fwd_lookup_struct)
-{
- uint32_t next_hop;
-
- return ((rte_lpm_lookup(l3fwd_lookup_struct,
- rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0) ?
- next_hop : portid);
-}
-#endif
-
-static inline void
-l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
- lookup_struct_t *l3fwd_lookup_struct)
-{
- struct rte_ether_hdr *eth_hdr;
- struct rte_ipv4_hdr *ipv4_hdr;
- void *tmp;
- uint16_t dst_port;
-
- eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
-
- ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
- sizeof(struct rte_ether_hdr));
-
-#ifdef DO_RFC_1812_CHECKS
- /* Check to make sure the packet is valid (RFC1812) */
- if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
- rte_pktmbuf_free(m);
- return;
- }
-#endif
-
- dst_port = get_dst_port(ipv4_hdr, portid, l3fwd_lookup_struct);
- if (dst_port >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port) == 0)
- dst_port = portid;
-
- /* 02:00:00:00:00:xx */
- tmp = ð_hdr->d_addr.addr_bytes[0];
- *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
-
-#ifdef DO_RFC_1812_CHECKS
- /* Update time to live and header checksum */
- --(ipv4_hdr->time_to_live);
- ++(ipv4_hdr->hdr_checksum);
-#endif
-
- /* src addr */
- rte_ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
-
- send_single_packet(m, dst_port);
-
-}
-
-/* main processing loop */
-static int
-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, j, nb_rx;
- uint8_t queueid;
- uint16_t portid;
- struct lcore_conf *qconf;
- const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
-
- prev_tsc = 0;
-
- lcore_id = rte_lcore_id();
- 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;
- RTE_LOG(INFO, L3FWD, " --lcoreid=%u portid=%u rxqueueid=%hhu\n",
- lcore_id, portid, queueid);
- }
-
- while (1) {
-
- cur_tsc = rte_rdtsc();
-
- /*
- * TX burst queue drain
- */
- diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > drain_tsc)) {
-
- /*
- * This could be optimized (use queueid instead of
- * portid), but it is not called so often
- */
- for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
- if (qconf->tx_mbufs[portid].len == 0)
- continue;
- send_burst(&lcore_conf[lcore_id],
- 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 < qconf->n_rx_queue; ++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);
-
- /* Prefetch first packets */
- for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
- rte_prefetch0(rte_pktmbuf_mtod(
- pkts_burst[j], void *));
- }
-
- /* Prefetch and forward already prefetched packets */
- for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
- rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
- j + PREFETCH_OFFSET], void *));
- l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
- }
-
- /* Forward remaining prefetched packets */
- for (; j < nb_rx; j++) {
- l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
- }
- }
- }
-}
-
-static int
-check_lcore_params(void)
-{
- uint8_t queue, lcore;
- uint16_t i;
- int socketid;
-
- for (i = 0; i < nb_lcore_params; ++i) {
- queue = lcore_params[i].queue_id;
- if (queue >= MAX_RX_QUEUE_PER_PORT) {
- printf("invalid queue number: %hhu\n", queue);
- return -1;
- }
- lcore = lcore_params[i].lcore_id;
- if (!rte_lcore_is_enabled(lcore)) {
- printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
- return -1;
- }
- if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
- (numa_on == 0)) {
- printf("warning: lcore %hhu is on socket %d with numa off \n",
- lcore, socketid);
- }
- }
- return 0;
-}
-
-static int
-check_port_config(void)
-{
- unsigned portid;
- uint16_t i;
-
- for (i = 0; i < nb_lcore_params; ++i) {
- portid = lcore_params[i].port_id;
- if ((enabled_port_mask & (1 << portid)) == 0) {
- printf("port %u is not enabled in port mask\n", portid);
- return -1;
- }
- if (!rte_eth_dev_is_valid_port(portid)) {
- printf("port %u is not present on the board\n", portid);
- return -1;
- }
- }
- return 0;
-}
-
-static uint8_t
-get_port_n_rx_queues(const uint16_t port)
-{
- int queue = -1;
- uint16_t i;
-
- for (i = 0; i < nb_lcore_params; ++i) {
- if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
- queue = lcore_params[i].queue_id;
- }
- return (uint8_t)(++queue);
-}
-
-static int
-init_lcore_rx_queues(void)
-{
- uint16_t i, nb_rx_queue;
- uint8_t lcore;
-
- for (i = 0; i < nb_lcore_params; ++i) {
- lcore = lcore_params[i].lcore_id;
- nb_rx_queue = lcore_conf[lcore].n_rx_queue;
- if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
- printf("error: too many queues (%u) for lcore: %u\n",
- (unsigned)nb_rx_queue + 1, (unsigned)lcore);
- return -1;
- } else {
- lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
- lcore_params[i].port_id;
- lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
- lcore_params[i].queue_id;
- lcore_conf[lcore].n_rx_queue++;
- }
- }
- return 0;
-}
-
-/* display usage */
-static void
-print_usage(const char *prgname)
-{
- printf ("%s [EAL options] -- -p PORTMASK"
- " [--config (port,queue,lcore)[,(port,queue,lcore]]\n"
- " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
- " --config (port,queue,lcore): rx queues configuration\n"
- " --no-numa: optional, disable numa awareness\n",
- prgname);
-}
-
-/* Custom handling of signals to handle process terminal */
-static void
-signal_handler(int signum)
-{
- uint16_t portid;
-
- /* When we receive a SIGINT signal */
- if (signum == SIGINT) {
- RTE_ETH_FOREACH_DEV(portid) {
- /* skip ports that are not enabled */
- if ((enabled_port_mask & (1 << portid)) == 0)
- continue;
- rte_eth_dev_close(portid);
- }
- }
- rte_exit(EXIT_SUCCESS, "\n User forced exit\n");
-}
-static int
-parse_portmask(const char *portmask)
-{
- char *end = NULL;
- unsigned long pm;
-
- /* parse hexadecimal string */
- pm = strtoul(portmask, &end, 16);
- if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
- return -1;
-
- if (pm == 0)
- return -1;
-
- return pm;
-}
-
-static int
-parse_config(const char *q_arg)
-{
- char s[256];
- const char *p, *p0 = q_arg;
- char *end;
- enum fieldnames {
- FLD_PORT = 0,
- FLD_QUEUE,
- FLD_LCORE,
- _NUM_FLD
- };
- unsigned long int_fld[_NUM_FLD];
- char *str_fld[_NUM_FLD];
- int i;
- unsigned size;
-
- nb_lcore_params = 0;
-
- while ((p = strchr(p0,'(')) != NULL) {
- ++p;
- if((p0 = strchr(p,')')) == NULL)
- return -1;
-
- size = p0 - p;
- if(size >= sizeof(s))
- return -1;
-
- snprintf(s, sizeof(s), "%.*s", size, p);
- if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
- return -1;
- for (i = 0; i < _NUM_FLD; i++){
- errno = 0;
- int_fld[i] = strtoul(str_fld[i], &end, 0);
- if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
- return -1;
- }
- if (nb_lcore_params >= MAX_LCORE_PARAMS) {
- printf("exceeded max number of lcore params: %hu\n",
- nb_lcore_params);
- return -1;
- }
- lcore_params_array[nb_lcore_params].port_id = int_fld[FLD_PORT];
- lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
- lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
- ++nb_lcore_params;
- }
- lcore_params = lcore_params_array;
- return 0;
-}
-
-/* Parse the argument given in the command line of the application */
-static int
-parse_args(int argc, char **argv)
-{
- int opt, ret;
- char **argvopt;
- int option_index;
- char *prgname = argv[0];
- static struct option lgopts[] = {
- {"config", 1, 0, 0},
- {"no-numa", 0, 0, 0},
- {NULL, 0, 0, 0}
- };
-
- argvopt = argv;
-
- while ((opt = getopt_long(argc, argvopt, "p:",
- lgopts, &option_index)) != EOF) {
-
- switch (opt) {
- /* portmask */
- case 'p':
- enabled_port_mask = parse_portmask(optarg);
- if (enabled_port_mask == 0) {
- printf("invalid portmask\n");
- print_usage(prgname);
- return -1;
- }
- break;
-
- /* long options */
- case 0:
- if (!strcmp(lgopts[option_index].name, "config")) {
- ret = parse_config(optarg);
- if (ret) {
- printf("invalid config\n");
- print_usage(prgname);
- return -1;
- }
- }
-
- if (!strcmp(lgopts[option_index].name, "no-numa")) {
- printf("numa is disabled \n");
- numa_on = 0;
- }
- break;
-
- default:
- print_usage(prgname);
- return -1;
- }
- }
-
- if (optind >= 0)
- argv[optind-1] = prgname;
-
- ret = optind-1;
- optind = 1; /* reset getopt lib */
- return ret;
-}
-
-static void
-print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
-{
- char buf[RTE_ETHER_ADDR_FMT_SIZE];
- rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
- printf("%s%s", name, buf);
-}
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-static void
-setup_hash(int socketid)
-{
- unsigned i;
- int ret;
- char s[64];
-
- /* create hashes */
- snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid);
- l3fwd_hash_params.name = s;
- l3fwd_hash_params.socket_id = socketid;
- l3fwd_lookup_struct[socketid] = rte_hash_create(&l3fwd_hash_params);
- if (l3fwd_lookup_struct[socketid] == NULL)
- rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
- "socket %d\n", socketid);
-
- /* populate the hash */
- for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
- ret = rte_hash_add_key (l3fwd_lookup_struct[socketid],
- (void *) &l3fwd_route_array[i].key);
- if (ret < 0) {
- rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
- "l3fwd hash on socket %d\n", i, socketid);
- }
- l3fwd_out_if[ret] = l3fwd_route_array[i].if_out;
- printf("Hash: Adding key\n");
- print_key(l3fwd_route_array[i].key);
- }
-}
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-static void
-setup_lpm(int socketid)
-{
- unsigned i;
- int ret;
- char s[64];
-
- struct rte_lpm_config lpm_ipv4_config;
-
- lpm_ipv4_config.max_rules = L3FWD_LPM_MAX_RULES;
- lpm_ipv4_config.number_tbl8s = 256;
- lpm_ipv4_config.flags = 0;
-
- /* create the LPM table */
- snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid);
- l3fwd_lookup_struct[socketid] =
- rte_lpm_create(s, socketid, &lpm_ipv4_config);
- if (l3fwd_lookup_struct[socketid] == NULL)
- rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
- " on socket %d\n", socketid);
-
- /* populate the LPM table */
- for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
- ret = rte_lpm_add(l3fwd_lookup_struct[socketid],
- l3fwd_route_array[i].ip,
- l3fwd_route_array[i].depth,
- l3fwd_route_array[i].if_out);
-
- if (ret < 0) {
- rte_exit(EXIT_FAILURE, "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)l3fwd_route_array[i].ip,
- l3fwd_route_array[i].depth,
- l3fwd_route_array[i].if_out);
- }
-}
-#endif
-
-static int
-init_mem(unsigned nb_mbuf)
-{
- struct lcore_conf *qconf;
- int socketid;
- unsigned lcore_id;
- char s[64];
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
- if (rte_lcore_is_enabled(lcore_id) == 0)
- continue;
-
- if (numa_on)
- socketid = rte_lcore_to_socket_id(lcore_id);
- else
- socketid = 0;
-
- if (socketid >= NB_SOCKETS) {
- rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
- socketid, lcore_id, NB_SOCKETS);
- }
- if (pktmbuf_pool[socketid] == NULL) {
- snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
- pktmbuf_pool[socketid] = rte_pktmbuf_pool_create(s,
- nb_mbuf, MEMPOOL_CACHE_SIZE, 0,
- RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
- if (pktmbuf_pool[socketid] == NULL)
- rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n", socketid);
- else
- printf("Allocated mbuf pool on socket %d\n", socketid);
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
- setup_lpm(socketid);
-#else
- setup_hash(socketid);
-#endif
- }
- qconf = &lcore_conf[lcore_id];
- qconf->lookup_struct = l3fwd_lookup_struct[socketid];
- }
- return 0;
-}
-
-int
-main(int argc, char **argv)
-{
- struct lcore_conf *qconf;
- struct rte_eth_dev_info dev_info;
- struct rte_eth_txconf *txconf;
- int ret;
- unsigned nb_ports;
- uint16_t queueid, portid;
- unsigned lcore_id;
- uint32_t nb_lcores;
- uint16_t n_tx_queue;
- uint8_t nb_rx_queue, queue, socketid;
-
- signal(SIGINT, signal_handler);
- /* init EAL */
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
- argc -= ret;
- argv += ret;
-
- /* parse application arguments (after the EAL ones) */
- ret = parse_args(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid L3FWD-VF parameters\n");
-
- if (check_lcore_params() < 0)
- rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
-
- ret = init_lcore_rx_queues();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
-
- nb_ports = rte_eth_dev_count_avail();
-
- if (check_port_config() < 0)
- rte_exit(EXIT_FAILURE, "check_port_config failed\n");
-
- nb_lcores = rte_lcore_count();
-
- /* initialize all ports */
- RTE_ETH_FOREACH_DEV(portid) {
- struct rte_eth_conf local_port_conf = port_conf;
-
- /* skip ports that are not enabled */
- if ((enabled_port_mask & (1 << portid)) == 0) {
- printf("\nSkipping disabled port %d\n", portid);
- continue;
- }
-
- /* init port */
- printf("Initializing port %d ... ", portid );
- fflush(stdout);
-
- /* must always equal(=1) */
- nb_rx_queue = get_port_n_rx_queues(portid);
- n_tx_queue = MAX_TX_QUEUE_PER_PORT;
-
- printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
- nb_rx_queue, (unsigned)1 );
-
- rte_eth_dev_info_get(portid, &dev_info);
- if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
- local_port_conf.txmode.offloads |=
- DEV_TX_OFFLOAD_MBUF_FAST_FREE;
-
- local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
- dev_info.flow_type_rss_offloads;
- if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
- port_conf.rx_adv_conf.rss_conf.rss_hf) {
- printf("Port %u modified RSS hash function based on hardware support,"
- "requested:%#"PRIx64" configured:%#"PRIx64"\n",
- portid,
- port_conf.rx_adv_conf.rss_conf.rss_hf,
- local_port_conf.rx_adv_conf.rss_conf.rss_hf);
- }
-
- ret = rte_eth_dev_configure(portid, nb_rx_queue,
- n_tx_queue, &local_port_conf);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
- ret, portid);
-
- ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
- &nb_txd);
- if (ret < 0)
- rte_exit(EXIT_FAILURE,
- "Cannot adjust number of descriptors: err=%d, port=%d\n",
- ret, portid);
-
- ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
- if (ret < 0)
- rte_exit(EXIT_FAILURE,
- "Cannot get MAC address: err=%d, port=%d\n",
- ret, portid);
-
- print_ethaddr(" Address:", &ports_eth_addr[portid]);
- printf(", ");
-
- ret = init_mem(NB_MBUF);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "init_mem failed\n");
-
- /* init one TX queue */
- socketid = (uint8_t)rte_lcore_to_socket_id(rte_get_master_lcore());
-
- printf("txq=%d,%d,%d ", portid, 0, socketid);
- fflush(stdout);
-
- txconf = &dev_info.default_txconf;
- txconf->offloads = local_port_conf.txmode.offloads;
- ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
- socketid, txconf);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
- "port=%d\n", ret, portid);
-
- printf("\n");
- }
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
- struct rte_eth_rxconf rxq_conf;
-
- if (rte_lcore_is_enabled(lcore_id) == 0)
- continue;
- qconf = &lcore_conf[lcore_id];
- qconf->tx_queue_id = 0;
-
- printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
- fflush(stdout);
- /* init RX queues */
- for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
- portid = qconf->rx_queue_list[queue].port_id;
- queueid = qconf->rx_queue_list[queue].queue_id;
-
- if (numa_on)
- socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
- else
- socketid = 0;
-
- printf("rxq=%d,%d,%d ", portid, queueid, socketid);
- fflush(stdout);
-
- rte_eth_dev_info_get(portid, &dev_info);
- rxq_conf = dev_info.default_rxconf;
- rxq_conf.offloads = port_conf.rxmode.offloads;
- ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
- socketid, &rxq_conf,
- pktmbuf_pool[socketid]);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
- "port=%d\n", ret, portid);
- }
- }
- printf("\n");
-
- /* start ports */
- RTE_ETH_FOREACH_DEV(portid) {
- if ((enabled_port_mask & (1 << portid)) == 0) {
- continue;
- }
- /* Start device */
- ret = rte_eth_dev_start(portid);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
- ret, portid);
-
- printf("done: Port %d\n", portid);
-
- }
-
- /* launch per-lcore init on every lcore */
- rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- if (rte_eal_wait_lcore(lcore_id) < 0)
- return -1;
- }
-
- return 0;
-}
git.droids-corp.org / dpdk.git / commitdiff