X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl2fwd-keepalive%2Fmain.c;h=4e1a17cfe4f5ce6d43f37f6b0754b22ad533fa7a;hb=23370156431239ac850ba2360277d11c19431d0f;hp=358ca5ec7cce8c1920cf837bd83c014178a675e8;hpb=015f9489c448bfbf940a7f36d10f03219362031c;p=dpdk.git diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-keepalive/main.c index 358ca5ec7c..4e1a17cfe4 100644 --- a/examples/l2fwd-keepalive/main.c +++ b/examples/l2fwd-keepalive/main.c @@ -1,34 +1,5 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2016 Intel Corporation */ #include @@ -73,7 +44,7 @@ #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 -#define NB_MBUF 8192 +#define NB_MBUF_PER_PORT 3000 #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ @@ -81,13 +52,13 @@ /* * 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; @@ -107,14 +78,9 @@ struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 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, @@ -151,8 +117,8 @@ static void handle_sigterm(__rte_unused int value) /* Print out statistics on packets dropped */ static void -print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, - __attribute__((unused)) void *ptr_data) +print_stats(__rte_unused struct rte_timer *ptr_timer, + __rte_unused void *ptr_data) { uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; uint16_t portid; @@ -194,26 +160,28 @@ print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, total_packets_rx, total_packets_dropped); printf("\n====================================================\n"); + + fflush(stdout); } static void l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) { - struct ether_hdr *eth; + struct rte_ether_hdr *eth; void *tmp; int sent; unsigned dst_port; struct rte_eth_dev_tx_buffer *buffer; dst_port = l2fwd_dst_ports[portid]; - 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)dst_port << 40); /* src addr */ - ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); + rte_ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); buffer = tx_buffer[dst_port]; sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); @@ -259,7 +227,7 @@ l2fwd_main_loop(void) uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); while (!terminate_signal_received) { - /* Keepalive heartbeat */ + /* Keepalive heartbeat. 8< */ rte_keepalive_mark_alive(rte_global_keepalive_info); cur_tsc = rte_rdtsc(); @@ -270,6 +238,7 @@ l2fwd_main_loop(void) */ if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) break; + /* >8 End of keepalive heartbeat. */ /* * TX burst queue drain @@ -312,7 +281,7 @@ 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; @@ -339,10 +308,7 @@ l2fwd_parse_portmask(const char *portmask) /* parse hexadecimal string */ pm = strtoul(portmask, &end, 16); if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) - return -1; - - if (pm == 0) - return -1; + return 0; return pm; } @@ -477,33 +443,38 @@ l2fwd_parse_args(int argc, char **argv) /* 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; + char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 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)); - 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) - 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", portid); + rte_eth_link_to_str(link_status_text, + sizeof(link_status_text), &link); + printf("Port %d %s\n", portid, + link_status_text); continue; } /* clear all_ports_up flag if any link down */ @@ -556,13 +527,13 @@ 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 total_nb_mbufs; struct sigaction signal_handler; struct rte_keepalive_shm *ka_shm; @@ -588,16 +559,19 @@ main(int argc, char **argv) if (ret < 0) rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); + nb_ports = rte_eth_dev_count_avail(); + if (nb_ports == 0) + rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); + /* create the mbuf pool */ - l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, - 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); + total_nb_mbufs = NB_MBUF_PER_PORT * nb_ports; + + l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", + total_nb_mbufs, 32, 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(); - if (nb_ports == 0) - rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); - /* reset l2fwd_dst_ports */ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) l2fwd_dst_ports[portid] = 0; @@ -606,7 +580,7 @@ main(int argc, char **argv) /* * Each logical core is assigned a dedicated TX queue on each port. */ - 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; @@ -618,8 +592,6 @@ main(int argc, char **argv) last_port = portid; nb_ports_in_mask++; - - rte_eth_dev_info_get(portid, &dev_info); } if (nb_ports_in_mask % 2) { printf("Notice: odd number of ports in portmask.\n"); @@ -630,7 +602,7 @@ main(int argc, char **argv) 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; @@ -654,20 +626,34 @@ main(int argc, char **argv) rx_lcore_id, portid); } - nb_ports_available = nb_ports; - /* Initialise each port */ - for (portid = 0; portid < nb_ports; portid++) { + RTE_ETH_FOREACH_DEV(portid) { + 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; + /* 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", @@ -680,13 +666,20 @@ 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 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, @@ -695,9 +688,11 @@ 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", @@ -728,7 +723,11 @@ main(int argc, char **argv) "rte_eth_dev_start:err=%d, port=%u\n", ret, portid); - 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", @@ -749,7 +748,7 @@ 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); struct rte_timer hb_timer, stats_timer; @@ -762,10 +761,12 @@ main(int argc, char **argv) if (ka_shm == NULL) rte_exit(EXIT_FAILURE, "rte_keepalive_shm_create() failed"); + /* Initialize keepalive functionality. 8< */ rte_global_keepalive_info = rte_keepalive_create(&dead_core, ka_shm); if (rte_global_keepalive_info == NULL) rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); + /* >8 End of initializing keepalive functionality. */ rte_keepalive_register_relay_callback(rte_global_keepalive_info, relay_core_state, ka_shm); rte_timer_init(&hb_timer); @@ -780,6 +781,7 @@ main(int argc, char **argv) rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); } if (timer_period > 0) { + /* Issues the pings keepalive_dispatch_pings(). 8< */ if (rte_timer_reset(&stats_timer, (timer_period * rte_get_timer_hz()) / 1000, PERIODICAL, @@ -787,9 +789,10 @@ main(int argc, char **argv) &print_stats, NULL ) != 0 ) rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); + /* >8 End of issuing the pings keepalive_dispatch_pings(). */ } - /* launch per-lcore init on every slave lcore */ - RTE_LCORE_FOREACH_SLAVE(lcore_id) { + /* launch per-lcore init on every worker lcore */ + RTE_LCORE_FOREACH_WORKER(lcore_id) { struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; if (qconf->n_rx_port == 0) @@ -812,12 +815,16 @@ main(int argc, char **argv) rte_delay_ms(5); } - RTE_LCORE_FOREACH_SLAVE(lcore_id) { + RTE_LCORE_FOREACH_WORKER(lcore_id) { if (rte_eal_wait_lcore(lcore_id) < 0) return -1; } if (ka_shm != NULL) rte_keepalive_shm_cleanup(ka_shm); + + /* clean up the EAL */ + rte_eal_cleanup(); + return 0; }