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Diffstat (limited to 'app/test-pmd/testpmd.c')
| -rw-r--r-- | app/test-pmd/testpmd.c | 1105 |
1 files changed, 1105 insertions, 0 deletions
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c new file mode 100644 index 0000000..6813b66 --- /dev/null +++ b/app/test-pmd/testpmd.c @@ -0,0 +1,1105 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2012 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. + * + * version: DPDK.L.1.2.3-3 + */ + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <time.h> +#include <fcntl.h> +#include <sys/types.h> +#include <errno.h> + +#include <sys/queue.h> +#include <sys/stat.h> + +#include <stdint.h> +#include <unistd.h> +#include <inttypes.h> + +#include <rte_common.h> +#include <rte_byteorder.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_cycles.h> +#include <rte_memory.h> +#include <rte_memcpy.h> +#include <rte_memzone.h> +#include <rte_launch.h> +#include <rte_tailq.h> +#include <rte_eal.h> +#include <rte_per_lcore.h> +#include <rte_lcore.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_ring.h> +#include <rte_mempool.h> +#include <rte_malloc.h> +#include <rte_mbuf.h> +#include <rte_interrupts.h> +#include <rte_pci.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_string_fns.h> + +#include "testpmd.h" + +uint16_t verbose_level = 0; /**< Silent by default. */ + +/* use master core for command line ? */ +uint8_t interactive = 0; + +/* + * NUMA support configuration. + * When set, the NUMA support attempts to dispatch the allocation of the + * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the + * probed ports among the CPU sockets 0 and 1. + * Otherwise, all memory is allocated from CPU socket 0. + */ +uint8_t numa_support = 0; /**< No numa support by default */ + +/* + * Record the Ethernet address of peer target ports to which packets are + * forwarded. + * Must be instanciated with the ethernet addresses of peer traffic generator + * ports. + */ +struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; +portid_t nb_peer_eth_addrs = 0; + +/* + * Probed Target Environment. + */ +struct rte_port *ports; /**< For all probed ethernet ports. */ +portid_t nb_ports; /**< Number of probed ethernet ports. */ +struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */ +lcoreid_t nb_lcores; /**< Number of probed logical cores. */ + +/* + * Test Forwarding Configuration. + * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores + * nb_fwd_ports <= nb_cfg_ports <= nb_ports + */ +lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */ +lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */ +portid_t nb_cfg_ports; /**< Number of configured ports. */ +portid_t nb_fwd_ports; /**< Number of forwarding ports. */ + +unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ +portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ + +struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */ +streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */ + +/* + * Forwarding engines. + */ +struct fwd_engine * fwd_engines[] = { + &io_fwd_engine, + &mac_fwd_engine, + &rx_only_engine, + &tx_only_engine, + &csum_fwd_engine, +#ifdef RTE_LIBRTE_IEEE1588 + &ieee1588_fwd_engine, +#endif + NULL, +}; + +struct fwd_config cur_fwd_config; +struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ + +uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ + +/* + * Configuration of packet segments used by the "txonly" processing engine. + */ +uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ +uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { + TXONLY_DEF_PACKET_LEN, +}; +uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ + +uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ +uint16_t mb_mempool_cache = DEF_PKT_BURST; /**< Size of mbuf mempool cache. */ + +/* + * Ethernet Ports Configuration. + */ +int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */ + +/* + * Configurable number of RX/TX queues. + */ +queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ +queueid_t nb_txq = 1; /**< Number of TX queues per port. */ + +/* + * Configurable number of RX/TX ring descriptors. + */ +#define RTE_TEST_RX_DESC_DEFAULT 128 +#define RTE_TEST_TX_DESC_DEFAULT 512 +uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ +uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ + +/* + * Configurable values of RX and TX ring threshold registers. + */ +#define RX_PTHRESH 8 /**< Default value of RX prefetch threshold register. */ +#define RX_HTHRESH 8 /**< Default value of RX host threshold register. */ +#define RX_WTHRESH 4 /**< Default value of RX write-back threshold register. */ + +#define TX_PTHRESH 36 /**< Default value of TX prefetch threshold register. */ +#define TX_HTHRESH 0 /**< Default value of TX host threshold register. */ +#define TX_WTHRESH 0 /**< Default value of TX write-back threshold register. */ + +struct rte_eth_thresh rx_thresh = { + .pthresh = RX_PTHRESH, + .hthresh = RX_HTHRESH, + .wthresh = RX_WTHRESH, +}; + +struct rte_eth_thresh tx_thresh = { + .pthresh = TX_PTHRESH, + .hthresh = TX_HTHRESH, + .wthresh = TX_WTHRESH, +}; + +/* + * Configurable value of RX free threshold. + */ +uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */ + +/* + * Configurable value of TX free threshold. + */ +uint16_t tx_free_thresh = 0; /* Use default values. */ + +/* + * Configurable value of TX RS bit threshold. + */ +uint16_t tx_rs_thresh = 0; /* Use default values. */ + +/* + * Receive Side Scaling (RSS) configuration. + */ +uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */ + +/* + * Port topology configuration + */ +uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ + +/* + * Ethernet device configuration. + */ +struct rte_eth_rxmode rx_mode = { + .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ + .split_hdr_size = 0, + .header_split = 0, /**< Header Split disabled. */ + .hw_ip_checksum = 0, /**< IP checksum offload disabled. */ + .hw_vlan_filter = 1, /**< VLAN filtering enabled. */ + .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */ + .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */ +}; + +struct rte_fdir_conf fdir_conf = { + .mode = RTE_FDIR_MODE_NONE, + .pballoc = RTE_FDIR_PBALLOC_64K, + .status = RTE_FDIR_REPORT_STATUS, + .flexbytes_offset = 0x6, + .drop_queue = 127, +}; + +static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ + +/* + * Setup default configuration. + */ +static void +set_default_fwd_lcores_config(void) +{ + unsigned int i; + unsigned int nb_lc; + + nb_lc = 0; + for (i = 0; i < RTE_MAX_LCORE; i++) { + if (! rte_lcore_is_enabled(i)) + continue; + if (i == rte_get_master_lcore()) + continue; + fwd_lcores_cpuids[nb_lc++] = i; + } + nb_lcores = (lcoreid_t) nb_lc; + nb_cfg_lcores = nb_lcores; + nb_fwd_lcores = 1; +} + +static void +set_def_peer_eth_addrs(void) +{ + portid_t i; + + for (i = 0; i < RTE_MAX_ETHPORTS; i++) { + peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; + peer_eth_addrs[i].addr_bytes[5] = i; + } +} + +static void +set_default_fwd_ports_config(void) +{ + portid_t pt_id; + + for (pt_id = 0; pt_id < nb_ports; pt_id++) + fwd_ports_ids[pt_id] = pt_id; + + nb_cfg_ports = nb_ports; + nb_fwd_ports = nb_ports; +} + +void +set_def_fwd_config(void) +{ + set_default_fwd_lcores_config(); + set_def_peer_eth_addrs(); + set_default_fwd_ports_config(); +} + +/* + * Configuration initialisation done once at init time. + */ +struct mbuf_ctor_arg { + uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */ + uint16_t seg_buf_size; /**< size of data segment in mbuf. */ +}; + +struct mbuf_pool_ctor_arg { + uint16_t seg_buf_size; /**< size of data segment in mbuf. */ +}; + +static void +testpmd_mbuf_ctor(struct rte_mempool *mp, + void *opaque_arg, + void *raw_mbuf, + __attribute__((unused)) unsigned i) +{ + struct mbuf_ctor_arg *mb_ctor_arg; + struct rte_mbuf *mb; + + mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; + mb = (struct rte_mbuf *) raw_mbuf; + + mb->pool = mp; + mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset); + mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) + + mb_ctor_arg->seg_buf_offset); + mb->buf_len = mb_ctor_arg->seg_buf_size; + mb->type = RTE_MBUF_PKT; + mb->ol_flags = 0; + mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; + mb->pkt.nb_segs = 1; + mb->pkt.l2_len = 0; + mb->pkt.l3_len = 0; + mb->pkt.vlan_tci = 0; + mb->pkt.hash.rss = 0; +} + +static void +testpmd_mbuf_pool_ctor(struct rte_mempool *mp, + void *opaque_arg) +{ + struct mbuf_pool_ctor_arg *mbp_ctor_arg; + struct rte_pktmbuf_pool_private *mbp_priv; + + if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { + printf("%s(%s) private_data_size %d < %d\n", + __func__, mp->name, (int) mp->private_data_size, + (int) sizeof(struct rte_pktmbuf_pool_private)); + return; + } + mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg; + mbp_priv = (struct rte_pktmbuf_pool_private *) + ((char *)mp + sizeof(struct rte_mempool)); + mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size; +} + +static void +mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, + unsigned int socket_id) +{ + char pool_name[RTE_MEMPOOL_NAMESIZE]; + struct rte_mempool *rte_mp; + struct mbuf_pool_ctor_arg mbp_ctor_arg; + struct mbuf_ctor_arg mb_ctor_arg; + uint32_t mb_size; + + mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + + mbuf_seg_size); + mb_ctor_arg.seg_buf_offset = + (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf)); + mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size; + mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size; + mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); + rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size, + (unsigned) mb_mempool_cache, + sizeof(struct rte_pktmbuf_pool_private), + testpmd_mbuf_pool_ctor, &mbp_ctor_arg, + testpmd_mbuf_ctor, &mb_ctor_arg, + socket_id, 0); + if (rte_mp == NULL) { + rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n", + socket_id); + } +} + +static void +init_config(void) +{ + struct rte_port *port; + struct rte_mempool *mbp; + unsigned int nb_mbuf_per_pool; + streamid_t sm_id; + lcoreid_t lc_id; + portid_t pt_id; + + /* Configuration of logical cores. */ + fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", + sizeof(struct fwd_lcore *) * nb_lcores, + CACHE_LINE_SIZE); + if (fwd_lcores == NULL) { + rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n", + nb_lcores); + } + for (lc_id = 0; lc_id < nb_lcores; lc_id++) { + fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", + sizeof(struct fwd_lcore), + CACHE_LINE_SIZE); + if (fwd_lcores[lc_id] == NULL) { + rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n"); + } + fwd_lcores[lc_id]->cpuid_idx = lc_id; + } + + /* + * Create pools of mbuf. + * If NUMA support is disabled, create a single pool of mbuf in + * socket 0 memory. + * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. + */ + nb_mbuf_per_pool = nb_rxd + (nb_lcores * mb_mempool_cache) + + nb_txd + MAX_PKT_BURST; + if (numa_support) { + nb_mbuf_per_pool = nb_mbuf_per_pool * (nb_ports >> 1); + mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); + mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1); + } else { + nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports); + mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); + } + + /* + * Records which Mbuf pool to use by each logical core, if needed. + */ + for (lc_id = 0; lc_id < nb_lcores; lc_id++) { + mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); + if (mbp == NULL) + mbp = mbuf_pool_find(0); + fwd_lcores[lc_id]->mbp = mbp; + } + + /* Configuration of Ethernet ports. */ + ports = rte_zmalloc("testpmd: ports", + sizeof(struct rte_port) * nb_ports, + CACHE_LINE_SIZE); + if (ports == NULL) { + rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n", + nb_ports); + } + port = ports; + for (pt_id = 0; pt_id < nb_ports; pt_id++, port++) { + rte_eth_dev_info_get(pt_id, &port->dev_info); + if (nb_rxq > port->dev_info.max_rx_queues) { + rte_exit(EXIT_FAILURE, "Port %d: max RX queues %d < nb_rxq %d\n", + (int) pt_id, + (int) port->dev_info.max_rx_queues, + (int) nb_rxq); + } + if (nb_txq > port->dev_info.max_tx_queues) { + rte_exit(EXIT_FAILURE, "Port %d: max TX queues %d < nb_txq %d\n", + (int) pt_id, + (int) port->dev_info.max_tx_queues, + (int) nb_txq); + } + + if (numa_support) + port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1; + else + port->socket_id = 0; + } + + /* Configuration of packet forwarding streams. */ + nb_fwd_streams = (streamid_t) (nb_ports * nb_rxq); + fwd_streams = rte_zmalloc("testpmd: fwd_streams", + sizeof(struct fwd_stream *) * nb_fwd_streams, + CACHE_LINE_SIZE); + if (fwd_streams == NULL) { + rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n", + nb_fwd_streams); + } + for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { + fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", + sizeof(struct fwd_stream), + CACHE_LINE_SIZE); + if (fwd_streams[sm_id] == NULL) { + rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n"); + } + } +} + +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS +static void +pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) +{ + unsigned int total_burst; + unsigned int nb_burst; + unsigned int burst_stats[3]; + uint16_t pktnb_stats[3]; + uint16_t nb_pkt; + int burst_percent[3]; + + /* + * First compute the total number of packet bursts and the + * two highest numbers of bursts of the same number of packets. + */ + total_burst = 0; + burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; + pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; + for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { + nb_burst = pbs->pkt_burst_spread[nb_pkt]; + if (nb_burst == 0) + continue; + total_burst += nb_burst; + if (nb_burst > burst_stats[0]) { + burst_stats[1] = burst_stats[0]; + pktnb_stats[1] = pktnb_stats[0]; + burst_stats[0] = nb_burst; + pktnb_stats[0] = nb_pkt; + } + } + if (total_burst == 0) + return; + burst_percent[0] = (burst_stats[0] * 100) / total_burst; + printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, + burst_percent[0], (int) pktnb_stats[0]); + if (burst_stats[0] == total_burst) { + printf("]\n"); + return; + } + if (burst_stats[0] + burst_stats[1] == total_burst) { + printf(" + %d%% of %d pkts]\n", + 100 - burst_percent[0], pktnb_stats[1]); + return; + } + burst_percent[1] = (burst_stats[1] * 100) / total_burst; + burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); + if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { + printf(" + %d%% of others]\n", 100 - burst_percent[0]); + return; + } + printf(" + %d%% of %d pkts + %d%% of others]\n", + burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); +} +#endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ + +static void +fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) +{ + struct rte_port *port; + + static const char *fwd_stats_border = "----------------------"; + + port = &ports[port_id]; + printf("\n %s Forward statistics for port %-2d %s\n", + fwd_stats_border, port_id, fwd_stats_border); + printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " + "%-"PRIu64"\n", + stats->ipackets, stats->ierrors, + (uint64_t) (stats->ipackets + stats->ierrors)); + + if (cur_fwd_eng == &csum_fwd_engine) + printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", + port->rx_bad_ip_csum, port->rx_bad_l4_csum); + + printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " + "%-"PRIu64"\n", + stats->opackets, port->tx_dropped, + (uint64_t) (stats->opackets + port->tx_dropped)); + + if (stats->rx_nombuf > 0) + printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS + if (port->rx_stream) + pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); + if (port->tx_stream) + pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); +#endif + /* stats fdir */ + if (fdir_conf.mode != RTE_FDIR_MODE_NONE) + printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", + stats->fdirmiss, + stats->fdirmatch); + + printf(" %s--------------------------------%s\n", + fwd_stats_border, fwd_stats_border); +} + +static void +fwd_stream_stats_display(streamid_t stream_id) +{ + struct fwd_stream *fs; + static const char *fwd_top_stats_border = "-------"; + + fs = fwd_streams[stream_id]; + if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && + (fs->fwd_dropped == 0)) + return; + printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " + "TX Port=%2d/Queue=%2d %s\n", + fwd_top_stats_border, fs->rx_port, fs->rx_queue, + fs->tx_port, fs->tx_queue, fwd_top_stats_border); + printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", + fs->rx_packets, fs->tx_packets, fs->fwd_dropped); + + /* if checksum mode */ + if (cur_fwd_eng == &csum_fwd_engine) { + printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n", + fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); + } + +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS + pkt_burst_stats_display("RX", &fs->rx_burst_stats); + pkt_burst_stats_display("TX", &fs->tx_burst_stats); +#endif +} + +static void +flush_all_rx_queues(void) +{ + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + portid_t rxp; + queueid_t rxq; + uint16_t nb_rx; + uint16_t i; + uint8_t j; + + for (j = 0; j < 2; j++) { + for (rxp = 0; rxp < nb_ports; rxp++) { + for (rxq = 0; rxq < nb_rxq; rxq++) { + do { + nb_rx = rte_eth_rx_burst(rxp, rxq, + pkts_burst, + MAX_PKT_BURST); + for (i = 0; i < nb_rx; i++) + rte_pktmbuf_free(pkts_burst[i]); + } while (nb_rx > 0); + } + } + rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ + } +} + +static void +run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) +{ + struct fwd_stream **fsm; + streamid_t nb_fs; + streamid_t sm_id; + + fsm = &fwd_streams[fc->stream_idx]; + nb_fs = fc->stream_nb; + do { + for (sm_id = 0; sm_id < nb_fs; sm_id++) + (*pkt_fwd)(fsm[sm_id]); + } while (! fc->stopped); +} + +static int +start_pkt_forward_on_core(void *fwd_arg) +{ + run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, + cur_fwd_config.fwd_eng->packet_fwd); + return 0; +} + +/* + * Run the TXONLY packet forwarding engine to send a single burst of packets. + * Used to start communication flows in network loopback test configurations. + */ +static int +run_one_txonly_burst_on_core(void *fwd_arg) +{ + struct fwd_lcore *fwd_lc; + struct fwd_lcore tmp_lcore; + + fwd_lc = (struct fwd_lcore *) fwd_arg; + tmp_lcore = *fwd_lc; + tmp_lcore.stopped = 1; + run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); + return 0; +} + +/* + * Launch packet forwarding: + * - Setup per-port forwarding context. + * - launch logical cores with their forwarding configuration. + */ +static void +launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) +{ + port_fwd_begin_t port_fwd_begin; + unsigned int i; + unsigned int lc_id; + int diag; + + port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; + if (port_fwd_begin != NULL) { + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) + (*port_fwd_begin)(fwd_ports_ids[i]); + } + for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { + lc_id = fwd_lcores_cpuids[i]; + if ((interactive == 0) || (lc_id != rte_lcore_id())) { + fwd_lcores[i]->stopped = 0; + diag = rte_eal_remote_launch(pkt_fwd_on_lcore, + fwd_lcores[i], lc_id); + if (diag != 0) + printf("launch lcore %u failed - diag=%d\n", + lc_id, diag); + } + } +} + +/* + * Launch packet forwarding configuration. + */ +void +start_packet_forwarding(int with_tx_first) +{ + port_fwd_begin_t port_fwd_begin; + port_fwd_end_t port_fwd_end; + struct rte_port *port; + unsigned int i; + portid_t pt_id; + streamid_t sm_id; + + if (test_done == 0) { + printf("Packet forwarding already started\n"); + return; + } + test_done = 0; + flush_all_rx_queues(); + fwd_config_setup(); + rxtx_config_display(); + + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { + pt_id = fwd_ports_ids[i]; + port = &ports[pt_id]; + rte_eth_stats_get(pt_id, &port->stats); + port->tx_dropped = 0; + } + for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { + fwd_streams[sm_id]->rx_packets = 0; + fwd_streams[sm_id]->tx_packets = 0; + fwd_streams[sm_id]->fwd_dropped = 0; + fwd_streams[sm_id]->rx_bad_ip_csum = 0; + fwd_streams[sm_id]->rx_bad_l4_csum = 0; + +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS + memset(&fwd_streams[sm_id]->rx_burst_stats, 0, + sizeof(fwd_streams[sm_id]->rx_burst_stats)); + memset(&fwd_streams[sm_id]->tx_burst_stats, 0, + sizeof(fwd_streams[sm_id]->tx_burst_stats)); +#endif +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + fwd_streams[sm_id]->core_cycles = 0; +#endif + } + if (with_tx_first) { + port_fwd_begin = tx_only_engine.port_fwd_begin; + if (port_fwd_begin != NULL) { + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) + (*port_fwd_begin)(fwd_ports_ids[i]); + } + launch_packet_forwarding(run_one_txonly_burst_on_core); + rte_eal_mp_wait_lcore(); + port_fwd_end = tx_only_engine.port_fwd_end; + if (port_fwd_end != NULL) { + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) + (*port_fwd_end)(fwd_ports_ids[i]); + } + } + launch_packet_forwarding(start_pkt_forward_on_core); +} + +void +stop_packet_forwarding(void) +{ + struct rte_eth_stats stats; + struct rte_port *port; + port_fwd_end_t port_fwd_end; + int i; + portid_t pt_id; + streamid_t sm_id; + lcoreid_t lc_id; + uint64_t total_recv; + uint64_t total_xmit; + uint64_t total_rx_dropped; + uint64_t total_tx_dropped; + uint64_t total_rx_nombuf; + uint64_t tx_dropped; + uint64_t rx_bad_ip_csum; + uint64_t rx_bad_l4_csum; +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + uint64_t fwd_cycles; +#endif + static const char *acc_stats_border = "+++++++++++++++"; + + if (test_done) { + printf("Packet forwarding not started\n"); + return; + } + printf("Telling cores to stop..."); + for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) + fwd_lcores[lc_id]->stopped = 1; + printf("\nWaiting for lcores to finish...\n"); + rte_eal_mp_wait_lcore(); + port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; + if (port_fwd_end != NULL) { + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { + pt_id = fwd_ports_ids[i]; + (*port_fwd_end)(pt_id); + } + } +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + fwd_cycles = 0; +#endif + for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { + if (cur_fwd_config.nb_fwd_streams > + cur_fwd_config.nb_fwd_ports) { + fwd_stream_stats_display(sm_id); + ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; + ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; + } else { + ports[fwd_streams[sm_id]->tx_port].tx_stream = + fwd_streams[sm_id]; + ports[fwd_streams[sm_id]->rx_port].rx_stream = + fwd_streams[sm_id]; + } + tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; + tx_dropped = (uint64_t) (tx_dropped + + fwd_streams[sm_id]->fwd_dropped); + ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; + + rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; + rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + + fwd_streams[sm_id]->rx_bad_ip_csum); + ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum; + + rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; + rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + + fwd_streams[sm_id]->rx_bad_l4_csum); + ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; + +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + fwd_cycles = (uint64_t) (fwd_cycles + + fwd_streams[sm_id]->core_cycles); +#endif + } + total_recv = 0; + total_xmit = 0; + total_rx_dropped = 0; + total_tx_dropped = 0; + total_rx_nombuf = 0; + for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { + pt_id = fwd_ports_ids[i]; + + port = &ports[pt_id]; + rte_eth_stats_get(pt_id, &stats); + stats.ipackets -= port->stats.ipackets; + port->stats.ipackets = 0; + stats.opackets -= port->stats.opackets; + port->stats.opackets = 0; + stats.ibytes -= port->stats.ibytes; + port->stats.ibytes = 0; + stats.obytes -= port->stats.obytes; + port->stats.obytes = 0; + stats.ierrors -= port->stats.ierrors; + port->stats.ierrors = 0; + stats.oerrors -= port->stats.oerrors; + port->stats.oerrors = 0; + stats.rx_nombuf -= port->stats.rx_nombuf; + port->stats.rx_nombuf = 0; + stats.fdirmatch -= port->stats.fdirmatch; + port->stats.rx_nombuf = 0; + stats.fdirmiss -= port->stats.fdirmiss; + port->stats.rx_nombuf = 0; + + total_recv += stats.ipackets; + total_xmit += stats.opackets; + total_rx_dropped += stats.ierrors; + total_tx_dropped += port->tx_dropped; + total_rx_nombuf += stats.rx_nombuf; + + fwd_port_stats_display(pt_id, &stats); + } + printf("\n %s Accumulated forward statistics for all ports" + "%s\n", + acc_stats_border, acc_stats_border); + printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " + "%-"PRIu64"\n" + " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " + "%-"PRIu64"\n", + total_recv, total_rx_dropped, total_recv + total_rx_dropped, + total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); + if (total_rx_nombuf > 0) + printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); + printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" + "%s\n", + acc_stats_border, acc_stats_border); +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + if (total_recv > 0) + printf("\n CPU cycles/packet=%u (total cycles=" + "%"PRIu64" / total RX packets=%"PRIu64")\n", + (unsigned int)(fwd_cycles / total_recv), + fwd_cycles, total_recv); +#endif + printf("\nDone.\n"); + test_done = 1; +} + +void +pmd_test_exit(void) +{ + portid_t pt_id; + + for (pt_id = 0; pt_id < nb_ports; pt_id++) { + printf("Stopping port %d...", pt_id); + fflush(stdout); + rte_eth_dev_close(pt_id); + printf("done\n"); + } + printf("bye...\n"); +} + +typedef void (*cmd_func_t)(void); +struct pmd_test_command { + const char *cmd_name; + cmd_func_t cmd_func; +}; + +#define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) + +static void +fatal_init_error(const char *func_name, uint8_t port_id, int diag) +{ + rte_panic("%s(port_id=%d) failed - diag=%d\n", + func_name, port_id, diag); +} + +static void +init_ports(void) +{ + struct rte_eth_link link; + struct rte_eth_conf port_conf = { + .intr_conf = { + .lsc = 0, + }, + }; + struct rte_eth_rxconf rx_conf; + struct rte_eth_txconf tx_conf; + struct rte_port *port; + unsigned int sock_id; + portid_t pi; + queueid_t qi; + int diag; + + port_conf.rxmode = rx_mode; + port_conf.fdir_conf = fdir_conf; + + if (nb_rxq > 0) { /* configure RSS */ + port_conf.rx_adv_conf.rss_conf.rss_key = NULL; + /* use default hash key */ + port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; + } else + port_conf.rx_adv_conf.rss_conf.rss_hf = 0; + rx_conf.rx_thresh = rx_thresh; + rx_conf.rx_free_thresh = rx_free_thresh; + tx_conf.tx_thresh = tx_thresh; + tx_conf.tx_rs_thresh = tx_rs_thresh; + tx_conf.tx_free_thresh = tx_free_thresh; + + for (pi = 0; pi < nb_ports; pi++) { + port = &ports[pi]; + memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); + sock_id = port->socket_id; + printf("Initializing port %d... ", pi); + fflush(stdout); + diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); + if (diag != 0) { + fatal_init_error("rte_eth_dev_configure", pi, diag); + /* NOT REACHED */ + } + rte_eth_macaddr_get(pi, &port->eth_addr); + for (qi = 0; qi < nb_txq; qi++) { + diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, + sock_id, + &tx_conf); + if (diag != 0) { + fatal_init_error("rte_eth_tx_queue_setup", + pi, diag); + /* NOT REACHED */ + } + } + for (qi = 0; qi < nb_rxq; qi++) { + diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, + &rx_conf, + mbuf_pool_find(sock_id)); + if (diag != 0) { + fatal_init_error("rte_eth_rx_queue_setup", + pi , diag); + /* NOT REACHED */ + } + } + + /* Start device */ + diag = rte_eth_dev_start(pi); + if (diag != 0) { + fatal_init_error("rte_eth_dev_start", pi, diag); + /* NOT REACHED */ + } + printf("done: "); + rte_eth_link_get(pi, &link); + if (link.link_status) { + printf(" Link Up - speed %u Mbps - %s\n", + (unsigned) link.link_speed, + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? + ("full-duplex") : ("half-duplex\n")); + } else { + printf(" Link Down\n"); + } + + /* + * If enabled, put device in promiscuous mode. + * This allows the PMD test in IO forwarding mode to forward + * packets to itself through 2 cross-connected ports of the + * target machine. + */ + if (promiscuous_on) + rte_eth_promiscuous_enable(pi); + } +} + +#ifdef RTE_EXEC_ENV_BAREMETAL +#define main _main +#endif + +int +main(int argc, char** argv) +{ + int diag; + + diag = rte_eal_init(argc, argv); + if (diag < 0) + rte_panic("Cannot init EAL\n"); + +#ifdef RTE_LIBRTE_IGB_PMD + if (rte_igb_pmd_init()) + rte_panic("Cannot init igb PMD\n"); +#endif +#ifdef RTE_LIBRTE_IXGBE_PMD + if (rte_ixgbe_pmd_init()) + rte_panic("Cannot init ixgbe PMD\n"); + + if (rte_ixgbevf_pmd_init()) + rte_panic("Cannot init ixgbevf PMD\n"); +#endif + + if (rte_eal_pci_probe()) + rte_panic("Cannot probe PCI\n"); + + nb_ports = (portid_t) rte_eth_dev_count(); + if (nb_ports == 0) + rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that " + "CONFIG_RTE_LIBRTE_IGB_PMD=y and that " + "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your " + "configuration file\n"); + + set_def_fwd_config(); + if (nb_lcores == 0) + rte_panic("Empty set of forwarding logical cores - check the " + "core mask supplied in the command parameters\n"); + + argc -= diag; + argv += diag; + if (argc > 1) + launch_args_parse(argc, argv); + + if (nb_rxq > nb_txq) + printf("Warning: nb_rxq=%d enables RSS configuration, " + "but nb_txq=%d will prevent to fully test it.\n", + nb_rxq, nb_txq); + + init_config(); + + init_ports(); + + if (interactive == 1) + prompt(); + else { + char c; + int rc; + + printf("No commandline core given, start packet forwarding\n"); + start_packet_forwarding(0); + printf("Press enter to exit\n"); + rc = read(0, &c, 1); + if (rc < 0) + return 1; + } + + return 0; +} |