X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fexception_path%2Fmain.c;h=f3c0206b534a3f2ea4a1a6d648740765422427a6;hb=f430bbcecf3eed93916f45654f51dd19d6955aa2;hp=fe30e070314cebba5b63b06226b8ab8d606d81e0;hpb=67064d67959a75c5122aab63651f6aab3da4175c;p=dpdk.git diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c index fe30e07031..f3c0206b53 100644 --- a/examples/exception_path/main.c +++ b/examples/exception_path/main.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -43,7 +14,7 @@ #include #include -#ifdef RTE_EXEC_ENV_LINUXAPP +#ifdef RTE_EXEC_ENV_LINUX #include #endif #include @@ -55,7 +26,6 @@ #include #include #include -#include #include #include #include @@ -63,23 +33,29 @@ #include #include #include -#include #include #include #include -#include #include #include #include #include +#ifndef APP_MAX_LCORE +#if (RTE_MAX_LCORE > 64) +#define APP_MAX_LCORE 64 +#else +#define APP_MAX_LCORE RTE_MAX_LCORE +#endif +#endif + /* Macros for printing using RTE_LOG */ #define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1 #define FATAL_ERROR(fmt, args...) rte_exit(EXIT_FAILURE, fmt "\n", ##args) #define PRINT_INFO(fmt, args...) RTE_LOG(INFO, APP, fmt "\n", ##args) /* Max ports than can be used (each port is associated with two lcores) */ -#define MAX_PORTS (RTE_MAX_LCORE / 2) +#define MAX_PORTS (APP_MAX_LCORE / 2) /* Max size of a single packet */ #define MAX_PACKET_SZ (2048) @@ -97,10 +73,10 @@ #define MEMPOOL_CACHE_SZ PKT_BURST_SZ /* Number of RX ring descriptors */ -#define NB_RXD 128 +#define NB_RXD 1024 /* Number of TX ring descriptors */ -#define NB_TXD 512 +#define NB_TXD 1024 /* * RX and TX Prefetch, Host, and Write-back threshold values should be @@ -110,14 +86,7 @@ */ /* Options for configuring ethernet port */ -static const struct rte_eth_conf port_conf = { - .rxmode = { - .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 */ - }, +static struct rte_eth_conf port_conf = { .txmode = { .mq_mode = ETH_MQ_TX_NONE, }, @@ -136,17 +105,17 @@ static uint64_t input_cores_mask = 0; static uint64_t output_cores_mask = 0; /* Array storing port_id that is associated with each lcore */ -static uint8_t port_ids[RTE_MAX_LCORE]; +static uint16_t port_ids[APP_MAX_LCORE]; /* Structure type for recording lcore-specific stats */ struct stats { uint64_t rx; uint64_t tx; uint64_t dropped; -}; +} __rte_cache_aligned; /* Array of lcore-specific stats */ -static struct stats lcore_stats[RTE_MAX_LCORE]; +static struct stats lcore_stats[APP_MAX_LCORE]; /* Print out statistics on packets handled */ static void @@ -159,6 +128,9 @@ print_stats(void) " Lcore Port RX TX Dropped on TX\n" "------- ------ ------------ ------------ ---------------\n"); RTE_LCORE_FOREACH(i) { + /* limit ourselves to application supported cores only */ + if (i >= APP_MAX_LCORE) + break; printf("%6u %7u %13"PRIu64" %13"PRIu64" %16"PRIu64"\n", i, (unsigned)port_ids[i], lcore_stats[i].rx, lcore_stats[i].tx, @@ -184,7 +156,7 @@ signal_handler(int signum) } } -#ifdef RTE_EXEC_ENV_LINUXAPP +#ifdef RTE_EXEC_ENV_LINUX /* * Create a tap network interface, or use existing one with same name. * If name[0]='\0' then a name is automatically assigned and returned in name. @@ -204,7 +176,7 @@ static int tap_create(char *name) ifr.ifr_flags = IFF_TAP | IFF_NO_PI; if (name && *name) - snprintf(ifr.ifr_name, IFNAMSIZ, "%s", name); + strlcpy(ifr.ifr_name, name, IFNAMSIZ); ret = ioctl(fd, TUNSETIFF, (void *) &ifr); if (ret < 0) { @@ -213,7 +185,7 @@ static int tap_create(char *name) } if (name) - snprintf(name, IFNAMSIZ, "%s", ifr.ifr_name); + strlcpy(name, ifr.ifr_name, IFNAMSIZ); return fd; } @@ -361,11 +333,13 @@ static void setup_port_lcore_affinities(void) { unsigned long i; - uint8_t tx_port = 0; - uint8_t rx_port = 0; + uint16_t tx_port = 0; + uint16_t rx_port = 0; /* Setup port_ids[] array, and check masks were ok */ - RTE_LCORE_FOREACH(i) { + for (i = 0; i < APP_MAX_LCORE; i++) { + if (!rte_lcore_is_enabled(i)) + continue; if (input_cores_mask & (1ULL << i)) { /* Skip ports that are not enabled */ while ((ports_mask & (1 << rx_port)) == 0) { @@ -445,52 +419,81 @@ parse_args(int argc, char **argv) /* Initialise a single port on an Ethernet device */ static void -init_port(uint8_t port) +init_port(uint16_t port) { int ret; + uint16_t nb_rxd = NB_RXD; + uint16_t nb_txd = NB_TXD; + struct rte_eth_dev_info dev_info; + struct rte_eth_rxconf rxq_conf; + struct rte_eth_txconf txq_conf; + struct rte_eth_conf local_port_conf = port_conf; /* Initialise device and RX/TX queues */ - PRINT_INFO("Initialising port %u ...", (unsigned)port); + PRINT_INFO("Initialising port %u ...", port); fflush(stdout); - ret = rte_eth_dev_configure(port, 1, 1, &port_conf); + + ret = rte_eth_dev_info_get(port, &dev_info); + if (ret != 0) + FATAL_ERROR("Error during getting device (port %u) info: %s\n", + port, 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(port, 1, 1, &local_port_conf); if (ret < 0) - FATAL_ERROR("Could not configure port%u (%d)", - (unsigned)port, ret); + FATAL_ERROR("Could not configure port%u (%d)", port, ret); - ret = rte_eth_rx_queue_setup(port, 0, NB_RXD, rte_eth_dev_socket_id(port), - NULL, + ret = rte_eth_dev_adjust_nb_rx_tx_desc(port, &nb_rxd, &nb_txd); + if (ret < 0) + FATAL_ERROR("Could not adjust number of descriptors for port%u (%d)", + port, ret); + + rxq_conf = dev_info.default_rxconf; + rxq_conf.offloads = local_port_conf.rxmode.offloads; + ret = rte_eth_rx_queue_setup(port, 0, nb_rxd, + rte_eth_dev_socket_id(port), + &rxq_conf, pktmbuf_pool); if (ret < 0) FATAL_ERROR("Could not setup up RX queue for port%u (%d)", - (unsigned)port, ret); + port, ret); - ret = rte_eth_tx_queue_setup(port, 0, NB_TXD, rte_eth_dev_socket_id(port), - NULL); + txq_conf = dev_info.default_txconf; + txq_conf.offloads = local_port_conf.txmode.offloads; + ret = rte_eth_tx_queue_setup(port, 0, nb_txd, + rte_eth_dev_socket_id(port), + &txq_conf); if (ret < 0) FATAL_ERROR("Could not setup up TX queue for port%u (%d)", - (unsigned)port, ret); + port, ret); ret = rte_eth_dev_start(port); if (ret < 0) - FATAL_ERROR("Could not start port%u (%d)", (unsigned)port, ret); + FATAL_ERROR("Could not start port%u (%d)", port, ret); - rte_eth_promiscuous_enable(port); + ret = rte_eth_promiscuous_enable(port); + if (ret != 0) + FATAL_ERROR("Could not enable promiscuous mode for port%u (%s)", + port, rte_strerror(-ret)); } /* 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) +check_all_ports_link_status(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; + uint16_t portid; + uint8_t 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++) { all_ports_up = 1; - for (portid = 0; portid < port_num; portid++) { + RTE_ETH_FOREACH_DEV(portid) { if ((port_mask & (1 << portid)) == 0) continue; memset(&link, 0, sizeof(link)); @@ -498,14 +501,13 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) /* 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, + printf( + "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")); else - printf("Port %d Link Down\n", - (uint8_t)portid); + printf("Port %d Link Down\n", portid); continue; } /* clear all_ports_up flag if any link down */ @@ -538,7 +540,7 @@ main(int argc, char** argv) { int ret; unsigned i,high_port; - uint8_t nb_sys_ports, port; + uint16_t nb_sys_ports, port; /* Associate signal_hanlder function with USR signals */ signal(SIGUSR1, signal_handler); @@ -563,7 +565,7 @@ main(int argc, char** argv) } /* Get number of ports found in scan */ - nb_sys_ports = rte_eth_dev_count(); + nb_sys_ports = rte_eth_dev_count_avail(); if (nb_sys_ports == 0) FATAL_ERROR("No supported Ethernet device found"); /* Find highest port set in portmask */ @@ -575,14 +577,14 @@ main(int argc, char** argv) FATAL_ERROR("Port mask requires more ports than available"); /* Initialise each port */ - for (port = 0; port < nb_sys_ports; port++) { + RTE_ETH_FOREACH_DEV(port) { /* Skip ports that are not enabled */ if ((ports_mask & (1 << port)) == 0) { continue; } init_port(port); } - check_all_ports_link_status(nb_sys_ports, ports_mask); + check_all_ports_link_status(ports_mask); /* Launch per-lcore function on every lcore */ rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);