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Diffstat (limited to 'examples/l3fwd/main.c')
| -rw-r--r-- | examples/l3fwd/main.c | 1055 |
1 files changed, 1055 insertions, 0 deletions
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c new file mode 100644 index 00000000..bf6d8856 --- /dev/null +++ b/examples/l3fwd/main.c @@ -0,0 +1,1055 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#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 <stdbool.h> + +#include <rte_common.h> +#include <rte_vect.h> +#include <rte_byteorder.h> +#include <rte_log.h> +#include <rte_memory.h> +#include <rte_memcpy.h> +#include <rte_memzone.h> +#include <rte_eal.h> +#include <rte_per_lcore.h> +#include <rte_launch.h> +#include <rte_atomic.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_pci.h> +#include <rte_random.h> +#include <rte_debug.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_ring.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> +#include <rte_cpuflags.h> + +#include <cmdline_parse.h> +#include <cmdline_parse_etheraddr.h> + +#include "l3fwd.h" + +/* + * Configurable number of RX/TX ring descriptors + */ +#define RTE_TEST_RX_DESC_DEFAULT 128 +#define RTE_TEST_TX_DESC_DEFAULT 512 + +#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS +#define MAX_RX_QUEUE_PER_PORT 128 + +#define MAX_LCORE_PARAMS 1024 + +/* Static global variables used within this file. */ +static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; +static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; + +/**< Ports set in promiscuous mode off by default. */ +static int promiscuous_on; + +/* Select Longest-Prefix or Exact match. */ +static int l3fwd_lpm_on; +static int l3fwd_em_on; + +static int numa_on = 1; /**< NUMA is enabled by default. */ +static int parse_ptype; /**< Parse packet type using rx callback, and */ + /**< disabled by default */ + +/* Global variables. */ + +volatile bool force_quit; + +/* ethernet addresses of ports */ +uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; +struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; + +xmm_t val_eth[RTE_MAX_ETHPORTS]; + +/* mask of enabled ports */ +uint32_t enabled_port_mask; + +/* Used only in exact match mode. */ +int ipv6; /**< ipv6 is false by default. */ +uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; + +struct lcore_conf lcore_conf[RTE_MAX_LCORE]; + +struct lcore_params { + uint8_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 = ETHER_MAX_LEN, + .split_hdr_size = 0, + .header_split = 0, /**< Header Split disabled */ + .hw_ip_checksum = 1, /**< IP checksum offload enabled */ + .hw_vlan_filter = 0, /**< VLAN filtering disabled */ + .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ + .hw_strip_crc = 0, /**< CRC stripped by hardware */ + }, + .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]; + +struct l3fwd_lkp_mode { + void (*setup)(int); + int (*check_ptype)(int); + rte_rx_callback_fn cb_parse_ptype; + int (*main_loop)(void *); + void* (*get_ipv4_lookup_struct)(int); + void* (*get_ipv6_lookup_struct)(int); +}; + +static struct l3fwd_lkp_mode l3fwd_lkp; + +static struct l3fwd_lkp_mode l3fwd_em_lkp = { + .setup = setup_hash, + .check_ptype = em_check_ptype, + .cb_parse_ptype = em_cb_parse_ptype, + .main_loop = em_main_loop, + .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct, + .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct, +}; + +static struct l3fwd_lkp_mode l3fwd_lpm_lkp = { + .setup = setup_lpm, + .check_ptype = lpm_check_ptype, + .cb_parse_ptype = lpm_cb_parse_ptype, + .main_loop = lpm_main_loop, + .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct, + .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct, +}; + +/* + * Setup lookup methods for forwarding. + * Currently exact-match and longest-prefix-match + * are supported ones. + */ +static void +setup_l3fwd_lookup_tables(void) +{ + /* Setup HASH lookup functions. */ + if (l3fwd_em_on) + l3fwd_lkp = l3fwd_em_lkp; + /* Setup LPM lookup functions. */ + else + l3fwd_lkp = l3fwd_lpm_lkp; +} + +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(const unsigned nb_ports) +{ + 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 (portid >= nb_ports) { + printf("port %u is not present on the board\n", portid); + return -1; + } + } + return 0; +} + +static uint8_t +get_port_n_rx_queues(const uint8_t port) +{ + int queue = -1; + uint16_t i; + + for (i = 0; i < nb_lcore_params; ++i) { + if (lcore_params[i].port_id == port) { + if (lcore_params[i].queue_id == queue+1) + queue = lcore_params[i].queue_id; + else + rte_exit(EXIT_FAILURE, "queue ids of the port %d must be" + " in sequence and must start with 0\n", + lcore_params[i].port_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 -P" + " [--config (port,queue,lcore)[,(port,queue,lcore]]" + " [--enable-jumbo [--max-pkt-len PKTLEN]]\n" + " -p PORTMASK: hexadecimal bitmask of ports to configure\n" + " -P : enable promiscuous mode\n" + " -E : enable exact match\n" + " -L : enable longest prefix match\n" + " --config (port,queue,lcore): rx queues configuration\n" + " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n" + " --no-numa: optional, disable numa awareness\n" + " --ipv6: optional, specify it if running ipv6 packets\n" + " --enable-jumbo: enable jumbo frame" + " which max packet len is PKTLEN in decimal (64-9600)\n" + " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n", + prgname); +} + +static int +parse_max_pkt_len(const char *pktlen) +{ + char *end = NULL; + unsigned long len; + + /* parse decimal string */ + len = strtoul(pktlen, &end, 10); + if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (len == 0) + return -1; + + return len; +} + +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_hash_entry_number(const char *hash_entry_num) +{ + char *end = NULL; + unsigned long hash_en; + /* parse hexadecimal string */ + hash_en = strtoul(hash_entry_num, &end, 16); + if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (hash_en == 0) + return -1; + + return hash_en; +} + +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 = + (uint8_t)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; +} + +static void +parse_eth_dest(const char *optarg) +{ + uint8_t portid; + char *port_end; + uint8_t c, *dest, peer_addr[6]; + + errno = 0; + portid = strtoul(optarg, &port_end, 10); + if (errno != 0 || port_end == optarg || *port_end++ != ',') + rte_exit(EXIT_FAILURE, + "Invalid eth-dest: %s", optarg); + if (portid >= RTE_MAX_ETHPORTS) + rte_exit(EXIT_FAILURE, + "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", + portid, RTE_MAX_ETHPORTS); + + if (cmdline_parse_etheraddr(NULL, port_end, + &peer_addr, sizeof(peer_addr)) < 0) + rte_exit(EXIT_FAILURE, + "Invalid ethernet address: %s\n", + port_end); + dest = (uint8_t *)&dest_eth_addr[portid]; + for (c = 0; c < 6; c++) + dest[c] = peer_addr[c]; + *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; +} + +#define MAX_JUMBO_PKT_LEN 9600 +#define MEMPOOL_CACHE_SIZE 256 + +#define CMD_LINE_OPT_CONFIG "config" +#define CMD_LINE_OPT_ETH_DEST "eth-dest" +#define CMD_LINE_OPT_NO_NUMA "no-numa" +#define CMD_LINE_OPT_IPV6 "ipv6" +#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" +#define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" +#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" + +/* + * 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*RTE_TEST_RX_DESC_DEFAULT + \ + nb_ports*nb_lcores*MAX_PKT_BURST + \ + nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \ + nb_lcores*MEMPOOL_CACHE_SIZE), \ + (unsigned)8192) + +/* 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[] = { + {CMD_LINE_OPT_CONFIG, 1, 0, 0}, + {CMD_LINE_OPT_ETH_DEST, 1, 0, 0}, + {CMD_LINE_OPT_NO_NUMA, 0, 0, 0}, + {CMD_LINE_OPT_IPV6, 0, 0, 0}, + {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0}, + {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0}, + {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0}, + {NULL, 0, 0, 0} + }; + + argvopt = argv; + + /* Error or normal output strings. */ + const char *str1 = "L3FWD: Invalid portmask"; + const char *str2 = "L3FWD: Promiscuous mode selected"; + const char *str3 = "L3FWD: Exact match selected"; + const char *str4 = "L3FWD: Longest-prefix match selected"; + const char *str5 = "L3FWD: Invalid config"; + const char *str6 = "L3FWD: NUMA is disabled"; + const char *str7 = "L3FWD: IPV6 is specified"; + const char *str8 = + "L3FWD: Jumbo frame is enabled - disabling simple TX path"; + const char *str9 = "L3FWD: Invalid packet length"; + const char *str10 = "L3FWD: Set jumbo frame max packet len to "; + const char *str11 = "L3FWD: Invalid hash entry number"; + const char *str12 = + "L3FWD: LPM and EM are mutually exclusive, select only one"; + const char *str13 = "L3FWD: LPM or EM none selected, default LPM on"; + + while ((opt = getopt_long(argc, argvopt, "p:PLE", + lgopts, &option_index)) != EOF) { + + switch (opt) { + /* portmask */ + case 'p': + enabled_port_mask = parse_portmask(optarg); + if (enabled_port_mask == 0) { + printf("%s\n", str1); + print_usage(prgname); + return -1; + } + break; + case 'P': + printf("%s\n", str2); + promiscuous_on = 1; + break; + + case 'E': + printf("%s\n", str3); + l3fwd_em_on = 1; + break; + + case 'L': + printf("%s\n", str4); + l3fwd_lpm_on = 1; + break; + + /* long options */ + case 0: + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_CONFIG, + sizeof(CMD_LINE_OPT_CONFIG))) { + + ret = parse_config(optarg); + if (ret) { + printf("%s\n", str5); + print_usage(prgname); + return -1; + } + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_ETH_DEST, + sizeof(CMD_LINE_OPT_ETH_DEST))) { + parse_eth_dest(optarg); + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_NO_NUMA, + sizeof(CMD_LINE_OPT_NO_NUMA))) { + printf("%s\n", str6); + numa_on = 0; + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_IPV6, + sizeof(CMD_LINE_OPT_IPV6))) { + printf("%sn", str7); + ipv6 = 1; + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_ENABLE_JUMBO, + sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) { + struct option lenopts = { + "max-pkt-len", required_argument, 0, 0 + }; + + printf("%s\n", str8); + port_conf.rxmode.jumbo_frame = 1; + + /* + * if no max-pkt-len set, use the default + * value ETHER_MAX_LEN. + */ + if (0 == getopt_long(argc, argvopt, "", + &lenopts, &option_index)) { + ret = parse_max_pkt_len(optarg); + if ((ret < 64) || + (ret > MAX_JUMBO_PKT_LEN)) { + printf("%s\n", str9); + print_usage(prgname); + return -1; + } + port_conf.rxmode.max_rx_pkt_len = ret; + } + printf("%s %u\n", str10, + (unsigned int)port_conf.rxmode.max_rx_pkt_len); + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_HASH_ENTRY_NUM, + sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) { + + ret = parse_hash_entry_number(optarg); + if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { + hash_entry_number = ret; + } else { + printf("%s\n", str11); + print_usage(prgname); + return -1; + } + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_PARSE_PTYPE, + sizeof(CMD_LINE_OPT_PARSE_PTYPE))) { + printf("soft parse-ptype is enabled\n"); + parse_ptype = 1; + } + + break; + + default: + print_usage(prgname); + return -1; + } + } + + /* If both LPM and EM are selected, return error. */ + if (l3fwd_lpm_on && l3fwd_em_on) { + printf("%s\n", str12); + return -1; + } + + /* + * Nothing is selected, pick longest-prefix match + * as default match. + */ + if (!l3fwd_lpm_on && !l3fwd_em_on) { + l3fwd_lpm_on = 1; + printf("%s\n", str13); + } + + /* + * ipv6 and hash flags are valid only for + * exact macth, reset them to default for + * longest-prefix match. + */ + if (l3fwd_lpm_on) { + ipv6 = 0; + hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; + } + + if (optind >= 0) + argv[optind-1] = prgname; + + ret = optind-1; + optind = 0; /* reset getopt lib */ + return ret; +} + +static void +print_ethaddr(const char *name, const struct ether_addr *eth_addr) +{ + char buf[ETHER_ADDR_FMT_SIZE]; + ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); + printf("%s%s", name, buf); +} + +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); + + /* Setup either LPM or EM(f.e Hash). */ + l3fwd_lkp.setup(socketid); + } + qconf = &lcore_conf[lcore_id]; + qconf->ipv4_lookup_struct = + l3fwd_lkp.get_ipv4_lookup_struct(socketid); + qconf->ipv6_lookup_struct = + l3fwd_lkp.get_ipv6_lookup_struct(socketid); + } + return 0; +} + +/* Check the link status of all ports in up to 9s, and print them finally */ +static void +check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) +{ +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ + uint8_t portid, count, all_ports_up, print_flag = 0; + struct rte_eth_link link; + + printf("\nChecking link status"); + fflush(stdout); + for (count = 0; count <= MAX_CHECK_TIME; count++) { + if (force_quit) + return; + all_ports_up = 1; + for (portid = 0; portid < port_num; portid++) { + if (force_quit) + return; + if ((port_mask & (1 << portid)) == 0) + continue; + memset(&link, 0, sizeof(link)); + rte_eth_link_get_nowait(portid, &link); + /* print link status if flag set */ + if (print_flag == 1) { + if (link.link_status) + printf("Port %d Link Up - speed %u " + "Mbps - %s\n", (uint8_t)portid, + (unsigned)link.link_speed, + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? + ("full-duplex") : ("half-duplex\n")); + else + printf("Port %d Link Down\n", + (uint8_t)portid); + continue; + } + /* clear all_ports_up flag if any link down */ + if (link.link_status == ETH_LINK_DOWN) { + all_ports_up = 0; + break; + } + } + /* after finally printing all link status, get out */ + if (print_flag == 1) + break; + + if (all_ports_up == 0) { + printf("."); + fflush(stdout); + rte_delay_ms(CHECK_INTERVAL); + } + + /* set the print_flag if all ports up or timeout */ + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { + print_flag = 1; + printf("done\n"); + } + } +} + +static void +signal_handler(int signum) +{ + if (signum == SIGINT || signum == SIGTERM) { + printf("\n\nSignal %d received, preparing to exit...\n", + signum); + force_quit = true; + } +} + +static int +prepare_ptype_parser(uint8_t portid, uint16_t queueid) +{ + if (parse_ptype) { + printf("Port %d: softly parse packet type info\n", portid); + if (rte_eth_add_rx_callback(portid, queueid, + l3fwd_lkp.cb_parse_ptype, + NULL)) + return 1; + + printf("Failed to add rx callback: port=%d\n", portid); + return 0; + } + + if (l3fwd_lkp.check_ptype(portid)) + return 1; + + printf("port %d cannot parse packet type, please add --%s\n", + portid, CMD_LINE_OPT_PARSE_PTYPE); + 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; + unsigned lcore_id; + uint32_t n_tx_queue, nb_lcores; + uint8_t portid, nb_rx_queue, queue, socketid; + + /* init EAL */ + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); + argc -= ret; + argv += ret; + + force_quit = false; + signal(SIGINT, signal_handler); + signal(SIGTERM, signal_handler); + + /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ + for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { + dest_eth_addr[portid] = + ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40); + *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; + } + + /* parse application arguments (after the EAL ones) */ + ret = parse_args(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid L3FWD 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(); + if (nb_ports > RTE_MAX_ETHPORTS) + nb_ports = RTE_MAX_ETHPORTS; + + if (check_port_config(nb_ports) < 0) + rte_exit(EXIT_FAILURE, "check_port_config failed\n"); + + nb_lcores = rte_lcore_count(); + + /* Setup function pointers for lookup method. */ + setup_l3fwd_lookup_tables(); + + /* initialize all ports */ + for (portid = 0; portid < nb_ports; portid++) { + /* 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); + + nb_rx_queue = get_port_n_rx_queues(portid); + n_tx_queue = nb_lcores; + if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) + n_tx_queue = MAX_TX_QUEUE_PER_PORT; + printf("Creating queues: nb_rxq=%d nb_txq=%u... ", + nb_rx_queue, (unsigned)n_tx_queue ); + ret = rte_eth_dev_configure(portid, nb_rx_queue, + (uint16_t)n_tx_queue, &port_conf); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Cannot configure device: err=%d, port=%d\n", + ret, portid); + + rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); + print_ethaddr(" Address:", &ports_eth_addr[portid]); + printf(", "); + print_ethaddr("Destination:", + (const struct ether_addr *)&dest_eth_addr[portid]); + printf(", "); + + /* + * prepare src MACs for each port. + */ + ether_addr_copy(&ports_eth_addr[portid], + (struct ether_addr *)(val_eth + portid) + 1); + + /* init memory */ + ret = init_mem(NB_MBUF); + if (ret < 0) + rte_exit(EXIT_FAILURE, "init_mem failed\n"); + + /* init one TX queue per couple (lcore,port) */ + queueid = 0; + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (numa_on) + socketid = + (uint8_t)rte_lcore_to_socket_id(lcore_id); + else + socketid = 0; + + printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); + fflush(stdout); + + rte_eth_dev_info_get(portid, &dev_info); + txconf = &dev_info.default_txconf; + if (port_conf.rxmode.jumbo_frame) + txconf->txq_flags = 0; + ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, + socketid, txconf); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "rte_eth_tx_queue_setup: err=%d, " + "port=%d\n", ret, portid); + + qconf = &lcore_conf[lcore_id]; + qconf->tx_queue_id[portid] = queueid; + queueid++; + + qconf->tx_port_id[qconf->n_tx_port] = portid; + qconf->n_tx_port++; + } + printf("\n"); + } + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + qconf = &lcore_conf[lcore_id]; + 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); + + ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, + socketid, + NULL, + 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 */ + for (portid = 0; portid < nb_ports; 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); + + /* + * If enabled, put device in promiscuous mode. + * This allows IO forwarding mode to forward packets + * to itself through 2 cross-connected ports of the + * target machine. + */ + if (promiscuous_on) + rte_eth_promiscuous_enable(portid); + } + + printf("\n"); + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + qconf = &lcore_conf[lcore_id]; + 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 (prepare_ptype_parser(portid, queueid) == 0) + rte_exit(EXIT_FAILURE, "ptype check fails\n"); + } + } + + + check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask); + + ret = 0; + /* launch per-lcore init on every lcore */ + rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER); + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (rte_eal_wait_lcore(lcore_id) < 0) { + ret = -1; + break; + } + } + + /* stop ports */ + for (portid = 0; portid < nb_ports; portid++) { + if ((enabled_port_mask & (1 << portid)) == 0) + continue; + printf("Closing port %d...", portid); + rte_eth_dev_stop(portid); + rte_eth_dev_close(portid); + printf(" Done\n"); + } + printf("Bye...\n"); + + return ret; +} |