X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl2fwd%2Fmain.c;h=d0a1ec8d9500fbf3c08d9ce3ab1ac6774e01f1bd;hb=ea0c20ea95fd5d71a10757e6598ac66233ea1495;hp=e420b7b0c2a0831c6e82c8c853e61cc0e812cb0d;hpb=cdfd5dbb90b05e198b436f97f0ba320d7cd7d8ad;p=dpdk.git diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index e420b7b0c2..d0a1ec8d95 100644 --- a/examples/l2fwd/main.c +++ b/examples/l2fwd/main.c @@ -1,35 +1,34 @@ /*- * 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 + * + * 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 + * + * * 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 + * * 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 + * * 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 + * + * 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 @@ -51,7 +50,6 @@ #include #include #include -#include #include #include #include @@ -71,32 +69,11 @@ #include #include -#include "main.h" - #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) +#define MBUF_DATA_SIZE (2048 + RTE_PKTMBUF_HEADROOM) #define NB_MBUF 8192 -/* - * RX and TX Prefetch, Host, and Write-back threshold values should be - * carefully set for optimal performance. Consult the network - * controller's datasheet and supporting DPDK documentation for guidance - * on how these parameters should be set. - */ -#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ -#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ -#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ - -/* - * 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. - */ -#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ -#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ -#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ - #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ @@ -148,24 +125,6 @@ static const struct rte_eth_conf port_conf = { }, }; -static const struct rte_eth_rxconf rx_conf = { - .rx_thresh = { - .pthresh = RX_PTHRESH, - .hthresh = RX_HTHRESH, - .wthresh = RX_WTHRESH, - }, -}; - -static const struct rte_eth_txconf tx_conf = { - .tx_thresh = { - .pthresh = TX_PTHRESH, - .hthresh = TX_HTHRESH, - .wthresh = TX_WTHRESH, - }, - .tx_free_thresh = 0, /* Use PMD default values */ - .tx_rs_thresh = 0, /* Use PMD default values */ -}; - struct rte_mempool * l2fwd_pktmbuf_pool = NULL; /* Per-port statistics struct */ @@ -227,7 +186,7 @@ print_stats(void) printf("\n====================================================\n"); } -/* Send the packet on an output interface */ +/* Send the burst of packets on an output interface */ static int l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) { @@ -249,7 +208,7 @@ l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) return 0; } -/* Send the packet on an output interface */ +/* Enqueue packets for TX and prepare them to be sent */ static int l2fwd_send_packet(struct rte_mbuf *m, uint8_t port) { @@ -577,12 +536,13 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) } int -MAIN(int argc, char **argv) +main(int argc, char **argv) { struct lcore_queue_conf *qconf; struct rte_eth_dev_info dev_info; int ret; uint8_t nb_ports; + uint8_t nb_ports_available; uint8_t portid, last_port; unsigned lcore_id, rx_lcore_id; unsigned nb_ports_in_mask = 0; @@ -600,23 +560,11 @@ MAIN(int argc, char **argv) rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); /* create the mbuf pool */ - l2fwd_pktmbuf_pool = - rte_mempool_create("mbuf_pool", NB_MBUF, - MBUF_SIZE, 32, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - rte_socket_id(), 0); + l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, + 0, MBUF_DATA_SIZE, rte_socket_id()); if (l2fwd_pktmbuf_pool == NULL) rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); - /* init driver(s) */ - if (rte_pmd_init_all() < 0) - rte_exit(EXIT_FAILURE, "Cannot init pmd\n"); - - if (rte_eal_pci_probe() < 0) - rte_exit(EXIT_FAILURE, "Cannot probe PCI\n"); - nb_ports = rte_eth_dev_count(); if (nb_ports == 0) rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); @@ -648,7 +596,7 @@ MAIN(int argc, char **argv) rte_eth_dev_info_get(portid, &dev_info); } - if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) { + if (nb_ports_in_mask % 2) { printf("Notice: odd number of ports in portmask.\n"); l2fwd_dst_ports[last_port] = last_port; } @@ -680,11 +628,14 @@ MAIN(int argc, char **argv) printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); } + nb_ports_available = nb_ports; + /* Initialise each port */ for (portid = 0; portid < nb_ports; portid++) { /* skip ports that are not enabled */ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { printf("Skipping disabled port %u\n", (unsigned) portid); + nb_ports_available--; continue; } /* init port */ @@ -700,7 +651,8 @@ MAIN(int argc, char **argv) /* init one RX queue */ fflush(stdout); ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, - rte_eth_dev_socket_id(portid), &rx_conf, + rte_eth_dev_socket_id(portid), + NULL, l2fwd_pktmbuf_pool); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", @@ -709,7 +661,8 @@ MAIN(int argc, char **argv) /* init one TX queue on each port */ fflush(stdout); ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, - rte_eth_dev_socket_id(portid), &tx_conf); + rte_eth_dev_socket_id(portid), + NULL); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", ret, (unsigned) portid); @@ -737,6 +690,11 @@ MAIN(int argc, char **argv) memset(&port_statistics, 0, sizeof(port_statistics)); } + if (!nb_ports_available) { + rte_exit(EXIT_FAILURE, + "All available ports are disabled. Please set portmask.\n"); + } + check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); /* launch per-lcore init on every lcore */