void pktgen_reset(port_info_t * info) { uint32_t s; if ( info == NULL ) info = &pktgen.info[0]; pktgen_stop_transmitting(info); pktgen.flags &= ~MAC_FROM_ARP_FLAG; // Make sure the port is active and enabled. if ( info->seq_pkt ) { info->seq_pkt[SINGLE_PKT].pktSize = MIN_PKT_SIZE; for (s = 0; s < NUM_TOTAL_PKTS; s++) pktgen_port_defaults(info->pid, s); pktgen_range_setup(info); pktgen_clear_stats(info); } pktgen.flags &= ~PRINT_LABELS_FLAG; pktgen_update_display(); }
void pktgen_config_ports(void) { uint32_t lid, pid, i, s, q, sid; rxtx_t rt; pkt_seq_t * pkt; port_info_t * info; char buff[RTE_MEMZONE_NAMESIZE]; int32_t ret, cache_size; char output_buff[256] = { 0 }; // Find out the total number of ports in the system. // We have already blacklisted the ones we needed to in main routine. pktgen.nb_ports = rte_eth_dev_count(); if (pktgen.nb_ports > RTE_MAX_ETHPORTS) pktgen.nb_ports = RTE_MAX_ETHPORTS; if ( pktgen.nb_ports == 0 ) pktgen_log_panic("*** Did not find any ports to use ***"); pktgen.starting_port = 0; // Setup the number of ports to display at a time if ( pktgen.nb_ports > pktgen.nb_ports_per_page ) pktgen.ending_port = pktgen.starting_port + pktgen.nb_ports_per_page; else pktgen.ending_port = pktgen.starting_port + pktgen.nb_ports; wr_port_matrix_dump(pktgen.l2p); pktgen_log_info("Configuring %d ports, MBUF Size %d, MBUF Cache Size %d", pktgen.nb_ports, MBUF_SIZE, MBUF_CACHE_SIZE); // For each lcore setup each port that is handled by that lcore. for(lid = 0; lid < RTE_MAX_LCORE; lid++) { if ( wr_get_map(pktgen.l2p, RTE_MAX_ETHPORTS, lid) == 0 ) continue; // For each port attached or handled by the lcore for(pid = 0; pid < pktgen.nb_ports; pid++) { // If non-zero then this port is handled by this lcore. if ( wr_get_map(pktgen.l2p, pid, lid) == 0 ) continue; wr_set_port_private(pktgen.l2p, pid, &pktgen.info[pid]); pktgen.info[pid].pid = pid; } } wr_dump_l2p(pktgen.l2p); pktgen.total_mem_used = 0; for(pid = 0; pid < pktgen.nb_ports; pid++) { // Skip if we do not have any lcores attached to a port. if ( (rt.rxtx = wr_get_map(pktgen.l2p, pid, RTE_MAX_LCORE)) == 0 ) continue; pktgen.port_cnt++; snprintf(output_buff, sizeof(output_buff), "Initialize Port %d -- TxQ %d, RxQ %d", pid, rt.tx, rt.rx); info = wr_get_port_private(pktgen.l2p, pid); // Create the pkt header structures for transmitting sequence of packets. snprintf(buff, sizeof(buff), "seq_hdr_%d", pid); info->seq_pkt = (pkt_seq_t *)rte_zmalloc(buff, (sizeof(pkt_seq_t) * NUM_TOTAL_PKTS), RTE_CACHE_LINE_SIZE); if ( info->seq_pkt == NULL ) pktgen_log_panic("Unable to allocate %d pkt_seq_t headers", NUM_TOTAL_PKTS); info->seqIdx = 0; info->seqCnt = 0; info->nb_mbufs = MAX_MBUFS_PER_PORT; cache_size = (info->nb_mbufs > RTE_MEMPOOL_CACHE_MAX_SIZE)? RTE_MEMPOOL_CACHE_MAX_SIZE : info->nb_mbufs; pktgen_port_conf_setup(pid, &rt, &default_port_conf); if ( (ret = rte_eth_dev_configure(pid, rt.rx, rt.tx, &info->port_conf)) < 0) pktgen_log_panic("Cannot configure device: port=%d, Num queues %d,%d (%d)%s", pid, rt.rx, rt.tx, errno, rte_strerror(-ret)); pkt = &info->seq_pkt[SINGLE_PKT]; // Grab the source MAC addresses */ rte_eth_macaddr_get(pid, &pkt->eth_src_addr); pktgen_log_info("%s, Src MAC %02x:%02x:%02x:%02x:%02x:%02x", output_buff, pkt->eth_src_addr.addr_bytes[0], pkt->eth_src_addr.addr_bytes[1], pkt->eth_src_addr.addr_bytes[2], pkt->eth_src_addr.addr_bytes[3], pkt->eth_src_addr.addr_bytes[4], pkt->eth_src_addr.addr_bytes[5]); // Copy the first Src MAC address in SINGLE_PKT to the rest of the sequence packets. for (i = 0; i < NUM_SEQ_PKTS; i++) ethAddrCopy( &info->seq_pkt[i].eth_src_addr, &pkt->eth_src_addr ); pktgen.mem_used = 0; for(q = 0; q < rt.rx; q++) { // grab the socket id value based on the lcore being used. sid = rte_lcore_to_socket_id(wr_get_port_lid(pktgen.l2p, pid, q)); // Create and initialize the default Receive buffers. info->q[q].rx_mp = pktgen_mbuf_pool_create("Default RX", pid, q, info->nb_mbufs, sid, cache_size); if ( info->q[q].rx_mp == NULL ) pktgen_log_panic("Cannot init port %d for Default RX mbufs", pid); ret = rte_eth_rx_queue_setup(pid, q, pktgen.nb_rxd, sid, &info->rx_conf, pktgen.info[pid].q[q].rx_mp); if (ret < 0) pktgen_log_panic("rte_eth_rx_queue_setup: err=%d, port=%d, %s", ret, pid, rte_strerror(-ret)); } pktgen_log_info(""); for(q = 0; q < rt.tx; q++) { // grab the socket id value based on the lcore being used. sid = rte_lcore_to_socket_id(wr_get_port_lid(pktgen.l2p, pid, q)); // Create and initialize the default Transmit buffers. info->q[q].tx_mp = pktgen_mbuf_pool_create("Default TX", pid, q, MAX_MBUFS_PER_PORT, sid, cache_size); if ( info->q[q].tx_mp == NULL ) pktgen_log_panic("Cannot init port %d for Default TX mbufs", pid); // Create and initialize the range Transmit buffers. info->q[q].range_mp = pktgen_mbuf_pool_create("Range TX", pid, q, MAX_MBUFS_PER_PORT, sid, 0); if ( info->q[q].range_mp == NULL ) pktgen_log_panic("Cannot init port %d for Range TX mbufs", pid); // Create and initialize the sequence Transmit buffers. info->q[q].seq_mp = pktgen_mbuf_pool_create("Sequence TX", pid, q, MAX_MBUFS_PER_PORT, sid, cache_size); if ( info->q[q].seq_mp == NULL ) pktgen_log_panic("Cannot init port %d for Sequence TX mbufs", pid); // Used for sending special packets like ARP requests info->q[q].special_mp = pktgen_mbuf_pool_create("Special TX", pid, q, MAX_SPECIAL_MBUFS, sid, cache_size); if (info->q[q].special_mp == NULL) pktgen_log_panic("Cannot init port %d for Special TX mbufs", pid); // Setup the PCAP file for each port if ( pktgen.info[pid].pcap != NULL ) { if ( pktgen_pcap_parse(pktgen.info[pid].pcap, info, q) == -1 ) pktgen_log_panic("Cannot load PCAP file for port %d", pid); } // Find out the link speed to program the WTHRESH value correctly. pktgen_get_link_status(info, pid, 0); //info->tx_conf.tx_thresh.wthresh = (info->link.link_speed == 1000)? TX_WTHRESH_1GB : TX_WTHRESH; ret = rte_eth_tx_queue_setup(pid, q, pktgen.nb_txd, sid, &info->tx_conf); if (ret < 0) pktgen_log_panic("rte_eth_tx_queue_setup: err=%d, port=%d, %s", ret, pid, rte_strerror(-ret)); #if 0 ret = rte_eth_dev_flow_ctrl_set(pid, &fc_conf); if (ret < 0) pktgen_log_panic("rte_eth_dev_flow_ctrl_set: err=%d, port=%d, %s", ret, pid, rte_strerror(-ret)); #endif pktgen_log_info(""); } pktgen_log_info("%*sPort memory used = %6lu KB", 71, " ", (pktgen.mem_used + 1023)/1024); } pktgen_log_info("%*sTotal memory used = %6lu KB", 70, " ", (pktgen.total_mem_used + 1023)/1024); // Start up the ports and display the port Link status for(pid = 0; pid < pktgen.nb_ports; pid++) { if ( wr_get_map(pktgen.l2p, pid, RTE_MAX_LCORE) == 0 ) continue; info = wr_get_port_private(pktgen.l2p, pid); /* Start device */ if ( (ret = rte_eth_dev_start(pid)) < 0 ) pktgen_log_panic("rte_eth_dev_start: port=%d, %s", pid, rte_strerror(-ret)); pktgen_get_link_status(info, pid, 1); if (info->link.link_status) { snprintf(output_buff, sizeof(output_buff), "Port %2d: Link Up - speed %u Mbps - %s", pid, (uint32_t) info->link.link_speed, (info->link.link_duplex == ETH_LINK_FULL_DUPLEX) ? ("full-duplex") : ("half-duplex")); } else snprintf(output_buff, sizeof(output_buff), "Port %2d: Link Down", pid); // If enabled, put device in promiscuous mode. if (pktgen.flags & PROMISCUOUS_ON_FLAG) { strncatf(output_buff, " <Enable promiscuous mode>"); rte_eth_promiscuous_enable(pid); } pktgen_log_info("%s", output_buff); pktgen.info[pid].seq_pkt[SINGLE_PKT].pktSize = MIN_PKT_SIZE; // Setup the port and packet defaults. (must be after link speed is found) for (s = 0; s < NUM_TOTAL_PKTS; s++) pktgen_port_defaults(pid, s); pktgen_range_setup(info); pktgen_rnd_bits_init(&pktgen.info[pid].rnd_bitfields); } pktgen_log_info(""); for (sid = 0; sid < wr_coremap_cnt(pktgen.core_info, pktgen.core_cnt, 0); sid++) pktgen_packet_capture_init(&pktgen.capture[sid], sid); }