X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl2fwd%2Fmain.c;h=e04c601b5cce9ada605b127e37397e802ae9741a;hb=3cb46d40d35960ca0478704d1e84e8d96b5676cd;hp=c5e88fffc450c6ee93c75626df6116ca2a7b230a;hpb=3998e2a07220844d3f3c17f76a781ced3efe0de0;p=dpdk.git diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index c5e88fffc4..e04c601b5c 100644 --- a/examples/l2fwd/main.c +++ b/examples/l2fwd/main.c @@ -38,6 +38,7 @@ #include #include #include +#include static volatile bool force_quit; @@ -46,8 +47,6 @@ static int mac_updating = 1; #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 -#define NB_MBUF 8192 - #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ #define MEMPOOL_CACHE_SIZE 256 @@ -55,13 +54,13 @@ static int mac_updating = 1; /* * Configurable number of RX/TX ring descriptors */ -#define RTE_TEST_RX_DESC_DEFAULT 128 -#define RTE_TEST_TX_DESC_DEFAULT 512 +#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 ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; +static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; /* mask of enabled ports */ static uint32_t l2fwd_enabled_port_mask = 0; @@ -69,6 +68,15 @@ static uint32_t l2fwd_enabled_port_mask = 0; /* list of enabled ports */ static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; +struct port_pair_params { +#define NUM_PORTS 2 + uint16_t port[NUM_PORTS]; +} __rte_cache_aligned; + +static struct port_pair_params port_pair_params_array[RTE_MAX_ETHPORTS / 2]; +static struct port_pair_params *port_pair_params; +static uint16_t nb_port_pair_params; + static unsigned int l2fwd_rx_queue_per_lcore = 1; #define MAX_RX_QUEUE_PER_LCORE 16 @@ -81,14 +89,9 @@ struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; -static const struct rte_eth_conf port_conf = { +static struct rte_eth_conf port_conf = { .rxmode = { .split_hdr_size = 0, - .header_split = 0, /**< Header Split disabled */ - .hw_ip_checksum = 0, /**< IP checksum offload disabled */ - .hw_vlan_filter = 0, /**< VLAN filtering disabled */ - .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ - .hw_strip_crc = 1, /**< CRC stripped by hardware */ }, .txmode = { .mq_mode = ETH_MQ_TX_NONE, @@ -153,22 +156,24 @@ print_stats(void) total_packets_rx, total_packets_dropped); printf("\n====================================================\n"); + + fflush(stdout); } static void l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid) { - struct ether_hdr *eth; + struct rte_ether_hdr *eth; void *tmp; - eth = rte_pktmbuf_mtod(m, struct ether_hdr *); + eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); /* 02:00:00:00:00:xx */ tmp = ð->d_addr.addr_bytes[0]; *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40); /* src addr */ - ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr); + rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr); } static void @@ -288,7 +293,7 @@ l2fwd_main_loop(void) } static int -l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) +l2fwd_launch_one_lcore(__rte_unused void *dummy) { l2fwd_main_loop(); return 0; @@ -301,11 +306,13 @@ l2fwd_usage(const char *prgname) printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" " -p PORTMASK: hexadecimal bitmask of ports to configure\n" " -q NQ: number of queue (=ports) per lcore (default is 1)\n" - " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n" - " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" - " When enabled:\n" - " - The source MAC address is replaced by the TX port MAC address\n" - " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n", + " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n" + " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" + " When enabled:\n" + " - The source MAC address is replaced by the TX port MAC address\n" + " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n" + " --portmap: Configure forwarding port pair mapping\n" + " Default: alternate port pairs\n\n", prgname); } @@ -326,6 +333,61 @@ l2fwd_parse_portmask(const char *portmask) return pm; } +static int +l2fwd_parse_port_pair_config(const char *q_arg) +{ + enum fieldnames { + FLD_PORT1 = 0, + FLD_PORT2, + _NUM_FLD + }; + unsigned long int_fld[_NUM_FLD]; + const char *p, *p0 = q_arg; + char *str_fld[_NUM_FLD]; + unsigned int size; + char s[256]; + char *end; + int i; + + nb_port_pair_params = 0; + + while ((p = strchr(p0, '(')) != NULL) { + ++p; + p0 = strchr(p, ')'); + if (p0 == NULL) + return -1; + + size = p0 - p; + if (size >= sizeof(s)) + return -1; + + memcpy(s, p, size); + s[size] = '\0'; + 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] >= RTE_MAX_ETHPORTS) + return -1; + } + if (nb_port_pair_params >= RTE_MAX_ETHPORTS/2) { + printf("exceeded max number of port pair params: %hu\n", + nb_port_pair_params); + return -1; + } + port_pair_params_array[nb_port_pair_params].port[0] = + (uint16_t)int_fld[FLD_PORT1]; + port_pair_params_array[nb_port_pair_params].port[1] = + (uint16_t)int_fld[FLD_PORT2]; + ++nb_port_pair_params; + } + port_pair_params = port_pair_params_array; + return 0; +} + static unsigned int l2fwd_parse_nqueue(const char *q_arg) { @@ -368,6 +430,7 @@ static const char short_options[] = #define CMD_LINE_OPT_MAC_UPDATING "mac-updating" #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" +#define CMD_LINE_OPT_PORTMAP_CONFIG "portmap" enum { /* long options mapped to a short option */ @@ -375,11 +438,13 @@ enum { /* first long only option value must be >= 256, so that we won't * conflict with short options */ CMD_LINE_OPT_MIN_NUM = 256, + CMD_LINE_OPT_PORTMAP_NUM, }; static const struct option lgopts[] = { { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, + { CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM}, {NULL, 0, 0, 0} }; @@ -393,6 +458,7 @@ l2fwd_parse_args(int argc, char **argv) char *prgname = argv[0]; argvopt = argv; + port_pair_params = NULL; while ((opt = getopt_long(argc, argvopt, short_options, lgopts, &option_index)) != EOF) { @@ -430,7 +496,13 @@ l2fwd_parse_args(int argc, char **argv) break; /* long options */ - case 0: + case CMD_LINE_OPT_PORTMAP_NUM: + ret = l2fwd_parse_port_pair_config(optarg); + if (ret) { + fprintf(stderr, "Invalid config\n"); + l2fwd_usage(prgname); + return -1; + } break; default: @@ -447,15 +519,58 @@ l2fwd_parse_args(int argc, char **argv) return ret; } +/* + * Check port pair config with enabled port mask, + * and for valid port pair combinations. + */ +static int +check_port_pair_config(void) +{ + uint32_t port_pair_config_mask = 0; + uint32_t port_pair_mask = 0; + uint16_t index, i, portid; + + for (index = 0; index < nb_port_pair_params; index++) { + port_pair_mask = 0; + + for (i = 0; i < NUM_PORTS; i++) { + portid = port_pair_params[index].port[i]; + if ((l2fwd_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; + } + + port_pair_mask |= 1 << portid; + } + + if (port_pair_config_mask & port_pair_mask) { + printf("port %u is used in other port pairs\n", portid); + return -1; + } + port_pair_config_mask |= port_pair_mask; + } + + l2fwd_enabled_port_mask &= port_pair_config_mask; + + return 0; +} + /* Check the link status of all ports in up to 9s, and print them finally */ static void -check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) +check_all_ports_link_status(uint32_t port_mask) { #define CHECK_INTERVAL 100 /* 100ms */ #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ uint16_t portid; uint8_t count, all_ports_up, print_flag = 0; struct rte_eth_link link; + int ret; printf("\nChecking link status"); fflush(stdout); @@ -463,13 +578,20 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) if (force_quit) return; all_ports_up = 1; - for (portid = 0; portid < port_num; portid++) { + RTE_ETH_FOREACH_DEV(portid) { if (force_quit) return; if ((port_mask & (1 << portid)) == 0) continue; memset(&link, 0, sizeof(link)); - rte_eth_link_get_nowait(portid, &link); + ret = rte_eth_link_get_nowait(portid, &link); + if (ret < 0) { + all_ports_up = 0; + if (print_flag == 1) + printf("Port %u link get failed: %s\n", + portid, rte_strerror(-ret)); + continue; + } /* print link status if flag set */ if (print_flag == 1) { if (link.link_status) @@ -477,7 +599,7 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) "Port%d Link Up. Speed %u Mbps - %s\n", portid, link.link_speed, (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? - ("full-duplex") : ("half-duplex\n")); + ("full-duplex") : ("half-duplex")); else printf("Port %d Link Down\n", portid); continue; @@ -520,13 +642,14 @@ int main(int argc, char **argv) { struct lcore_queue_conf *qconf; - struct rte_eth_dev_info dev_info; int ret; uint16_t nb_ports; - uint16_t nb_ports_available; + uint16_t nb_ports_available = 0; uint16_t portid, last_port; unsigned lcore_id, rx_lcore_id; unsigned nb_ports_in_mask = 0; + unsigned int nb_lcores = 0; + unsigned int nb_mbufs; /* init EAL */ ret = rte_eal_init(argc, argv); @@ -549,51 +672,61 @@ main(int argc, char **argv) /* convert to number of cycles */ timer_period *= rte_get_timer_hz(); - /* create the mbuf pool */ - l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, - MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, - rte_socket_id()); - if (l2fwd_pktmbuf_pool == NULL) - rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); - - nb_ports = rte_eth_dev_count(); + nb_ports = rte_eth_dev_count_avail(); if (nb_ports == 0) rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); + if (port_pair_params != NULL) { + if (check_port_pair_config() < 0) + rte_exit(EXIT_FAILURE, "Invalid port pair config\n"); + } + + /* check port mask to possible port mask */ + if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1)) + rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n", + (1 << nb_ports) - 1); + /* reset l2fwd_dst_ports */ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) l2fwd_dst_ports[portid] = 0; last_port = 0; - /* - * Each logical core is assigned a dedicated TX queue on each port. - */ - for (portid = 0; portid < nb_ports; portid++) { - /* skip ports that are not enabled */ - if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) - continue; + /* populate destination port details */ + if (port_pair_params != NULL) { + uint16_t idx, p; - if (nb_ports_in_mask % 2) { - l2fwd_dst_ports[portid] = last_port; - l2fwd_dst_ports[last_port] = portid; + for (idx = 0; idx < (nb_port_pair_params << 1); idx++) { + p = idx & 1; + portid = port_pair_params[idx >> 1].port[p]; + l2fwd_dst_ports[portid] = + port_pair_params[idx >> 1].port[p ^ 1]; } - else - last_port = portid; + } else { + RTE_ETH_FOREACH_DEV(portid) { + /* skip ports that are not enabled */ + if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) + continue; - nb_ports_in_mask++; + if (nb_ports_in_mask % 2) { + l2fwd_dst_ports[portid] = last_port; + l2fwd_dst_ports[last_port] = portid; + } else { + last_port = portid; + } - rte_eth_dev_info_get(portid, &dev_info); - } - if (nb_ports_in_mask % 2) { - printf("Notice: odd number of ports in portmask.\n"); - l2fwd_dst_ports[last_port] = last_port; + nb_ports_in_mask++; + } + if (nb_ports_in_mask % 2) { + printf("Notice: odd number of ports in portmask.\n"); + l2fwd_dst_ports[last_port] = last_port; + } } rx_lcore_id = 0; qconf = NULL; /* Initialize the port/queue configuration of each logical core */ - for (portid = 0; portid < nb_ports; portid++) { + RTE_ETH_FOREACH_DEV(portid) { /* skip ports that are not enabled */ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) continue; @@ -607,29 +740,56 @@ main(int argc, char **argv) rte_exit(EXIT_FAILURE, "Not enough cores\n"); } - if (qconf != &lcore_queue_conf[rx_lcore_id]) + if (qconf != &lcore_queue_conf[rx_lcore_id]) { /* Assigned a new logical core in the loop above. */ qconf = &lcore_queue_conf[rx_lcore_id]; + nb_lcores++; + } qconf->rx_port_list[qconf->n_rx_port] = portid; qconf->n_rx_port++; - printf("Lcore %u: RX port %u\n", rx_lcore_id, portid); + printf("Lcore %u: RX port %u TX port %u\n", rx_lcore_id, + portid, l2fwd_dst_ports[portid]); } - nb_ports_available = nb_ports; + nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST + + nb_lcores * MEMPOOL_CACHE_SIZE), 8192U); + + /* create the mbuf pool */ + l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs, + MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, + rte_socket_id()); + if (l2fwd_pktmbuf_pool == NULL) + rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); /* Initialise each port */ - for (portid = 0; portid < nb_ports; portid++) { + RTE_ETH_FOREACH_DEV(portid) { + struct rte_eth_rxconf rxq_conf; + struct rte_eth_txconf txq_conf; + struct rte_eth_conf local_port_conf = port_conf; + struct rte_eth_dev_info dev_info; + /* skip ports that are not enabled */ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { printf("Skipping disabled port %u\n", portid); - nb_ports_available--; continue; } + nb_ports_available++; + /* init port */ printf("Initializing port %u... ", portid); fflush(stdout); - ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); + + ret = rte_eth_dev_info_get(portid, &dev_info); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "Error during getting device (port %u) info: %s\n", + portid, strerror(-ret)); + + if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) + local_port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MBUF_FAST_FREE; + ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", ret, portid); @@ -641,13 +801,20 @@ main(int argc, char **argv) "Cannot adjust number of descriptors: err=%d, port=%u\n", ret, portid); - rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); + ret = rte_eth_macaddr_get(portid, + &l2fwd_ports_eth_addr[portid]); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Cannot get MAC address: err=%d, port=%u\n", + ret, portid); /* init one RX queue */ fflush(stdout); + rxq_conf = dev_info.default_rxconf; + rxq_conf.offloads = local_port_conf.rxmode.offloads; ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, rte_eth_dev_socket_id(portid), - NULL, + &rxq_conf, l2fwd_pktmbuf_pool); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", @@ -655,9 +822,11 @@ main(int argc, char **argv) /* init one TX queue on each port */ fflush(stdout); + txq_conf = dev_info.default_txconf; + txq_conf.offloads = local_port_conf.txmode.offloads; ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, rte_eth_dev_socket_id(portid), - NULL); + &txq_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", ret, portid); @@ -680,6 +849,11 @@ main(int argc, char **argv) "Cannot set error callback for tx buffer on port %u\n", portid); + ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL, + 0); + if (ret < 0) + printf("Port %u, Failed to disable Ptype parsing\n", + portid); /* Start device */ ret = rte_eth_dev_start(portid); if (ret < 0) @@ -688,7 +862,11 @@ main(int argc, char **argv) printf("done: \n"); - rte_eth_promiscuous_enable(portid); + ret = rte_eth_promiscuous_enable(portid); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "rte_eth_promiscuous_enable:err=%s, port=%u\n", + rte_strerror(-ret), portid); printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", portid, @@ -708,7 +886,7 @@ main(int argc, char **argv) "All available ports are disabled. Please set portmask.\n"); } - check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); + check_all_ports_link_status(l2fwd_enabled_port_mask); ret = 0; /* launch per-lcore init on every lcore */ @@ -720,7 +898,7 @@ main(int argc, char **argv) } } - for (portid = 0; portid < nb_ports; portid++) { + RTE_ETH_FOREACH_DEV(portid) { if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) continue; printf("Closing port %d...", portid);