X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fexception_path%2Fmain.c;h=b3fe17038c36375f0435d10a4050a6e6b9fd57dc;hb=ea0c20ea95fd5d71a10757e6598ac66233ea1495;hp=69525420481e590c9279de6eedced5f1531d6b25;hpb=462ad4279272c81333135c638073850fe49c677d;p=dpdk.git diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c index 6952542048..b3fe17038c 100644 --- a/examples/exception_path/main.c +++ b/examples/exception_path/main.c @@ -1,13 +1,13 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. + * + * 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 @@ -17,7 +17,7 @@ * * 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 @@ -54,7 +54,6 @@ #include #include #include -#include #include #include #include @@ -82,11 +81,10 @@ #define MAX_PORTS (RTE_MAX_LCORE / 2) /* Max size of a single packet */ -#define MAX_PACKET_SZ 2048 +#define MAX_PACKET_SZ (2048) -/* Number of bytes needed for each mbuf */ -#define MBUF_SZ \ - (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) +/* Size of the data buffer in each mbuf */ +#define MBUF_DATA_SZ (MAX_PACKET_SZ + RTE_PKTMBUF_HEADROOM) /* Number of mbufs in mempool that is created */ #define NB_MBUF 8192 @@ -109,31 +107,6 @@ * controller's datasheet and supporting DPDK documentation for guidance * on how these parameters should be set. */ -/* RX ring configuration */ -static const struct rte_eth_rxconf rx_conf = { - .rx_thresh = { - .pthresh = 8, /* Ring prefetch threshold */ - .hthresh = 8, /* Ring host threshold */ - .wthresh = 4, /* Ring writeback threshold */ - }, - .rx_free_thresh = 0, /* Immediately free RX descriptors */ -}; - -/* - * These default values are optimized for use with the Intel(R) 82599 10 GbE - * Controller and the DPDK ixgbe PMD. Consider using other values for other - * network controllers and/or network drivers. - */ -/* TX ring configuration */ -static const struct rte_eth_txconf tx_conf = { - .tx_thresh = { - .pthresh = 36, /* Ring prefetch threshold */ - .hthresh = 0, /* Ring host threshold */ - .wthresh = 0, /* Ring writeback threshold */ - }, - .tx_free_thresh = 0, /* Use PMD default values */ - .tx_rs_thresh = 0, /* Use PMD default values */ -}; /* Options for configuring ethernet port */ static const struct rte_eth_conf port_conf = { @@ -229,7 +202,7 @@ static int tap_create(char *name) ifr.ifr_flags = IFF_TAP | IFF_NO_PI; if (name && *name) - rte_snprintf(ifr.ifr_name, IFNAMSIZ, name); + snprintf(ifr.ifr_name, IFNAMSIZ, "%s", name); ret = ioctl(fd, TUNSETIFF, (void *) &ifr); if (ret < 0) { @@ -238,7 +211,7 @@ static int tap_create(char *name) } if (name) - rte_snprintf(name, IFNAMSIZ, ifr.ifr_name); + snprintf(name, IFNAMSIZ, "%s", ifr.ifr_name); return fd; } @@ -253,7 +226,7 @@ main_loop(__attribute__((unused)) void *arg) if ((1ULL << lcore_id) & input_cores_mask) { /* Create new tap interface */ - rte_snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id); + snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id); tap_fd = tap_create(tap_name); if (tap_fd < 0) FATAL_ERROR("Could not create tap interface \"%s\" (%d)", @@ -286,7 +259,7 @@ main_loop(__attribute__((unused)) void *arg) } else if ((1ULL << lcore_id) & output_cores_mask) { /* Create new tap interface */ - rte_snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id); + snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id); tap_fd = tap_create(tap_name); if (tap_fd < 0) FATAL_ERROR("Could not create tap interface \"%s\" (%d)", @@ -302,16 +275,17 @@ main_loop(__attribute__((unused)) void *arg) if (m == NULL) continue; - ret = read(tap_fd, m->pkt.data, MAX_PACKET_SZ); + ret = read(tap_fd, rte_pktmbuf_mtod(m, void *), + MAX_PACKET_SZ); lcore_stats[lcore_id].rx++; if (unlikely(ret < 0)) { FATAL_ERROR("Reading from %s interface failed", tap_name); } - m->pkt.nb_segs = 1; - m->pkt.next = NULL; - m->pkt.pkt_len = (uint16_t)ret; - m->pkt.data_len = (uint16_t)ret; + m->nb_segs = 1; + m->next = NULL; + m->pkt_len = (uint16_t)ret; + m->data_len = (uint16_t)ret; ret = rte_eth_tx_burst(port_ids[lcore_id], 0, &m, 1); if (unlikely(ret < 1)) { rte_pktmbuf_free(m); @@ -460,13 +434,14 @@ init_port(uint8_t port) (unsigned)port, ret); ret = rte_eth_rx_queue_setup(port, 0, NB_RXD, rte_eth_dev_socket_id(port), - &rx_conf, pktmbuf_pool); + NULL, + pktmbuf_pool); if (ret < 0) FATAL_ERROR("Could not setup up RX queue for port%u (%d)", (unsigned)port, ret); ret = rte_eth_tx_queue_setup(port, 0, NB_TXD, rte_eth_dev_socket_id(port), - &tx_conf); + NULL); if (ret < 0) FATAL_ERROR("Could not setup up TX queue for port%u (%d)", (unsigned)port, ret); @@ -556,32 +531,17 @@ main(int argc, char** argv) parse_args(argc, argv); /* Create the mbuf pool */ - pktmbuf_pool = rte_mempool_create("mbuf_pool", NB_MBUF, MBUF_SZ, - MEMPOOL_CACHE_SZ, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL, - rte_socket_id(), 0); + pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, + MEMPOOL_CACHE_SZ, 0, MBUF_DATA_SZ, rte_socket_id()); if (pktmbuf_pool == NULL) { FATAL_ERROR("Could not initialise mbuf pool"); return -1; } - /* Initialise PMD driver(s) */ - ret = rte_pmd_init_all(); - if (ret < 0) - FATAL_ERROR("Could not probe PMD (%d)", ret); - - /* Scan PCI bus for recognised devices */ - ret = rte_eal_pci_probe(); - if (ret < 0) - FATAL_ERROR("Could not probe PCI (%d)", ret); - /* Get number of ports found in scan */ nb_sys_ports = rte_eth_dev_count(); if (nb_sys_ports == 0) - FATAL_ERROR("No supported Ethernet devices found - check that " - "CONFIG_RTE_LIBRTE_IGB_PMD=y and/or " - "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in the config file"); + FATAL_ERROR("No supported Ethernet device found"); /* Find highest port set in portmask */ for (high_port = (sizeof(ports_mask) * 8) - 1; (high_port != 0) && !(ports_mask & (1 << high_port));