diff options
Diffstat (limited to 'src/spdk/dpdk/app/test-pmd/testpmd.c')
| -rw-r--r-- | src/spdk/dpdk/app/test-pmd/testpmd.c | 3859 |
1 files changed, 3859 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test-pmd/testpmd.c b/src/spdk/dpdk/app/test-pmd/testpmd.c new file mode 100644 index 000000000..4989d22ca --- /dev/null +++ b/src/spdk/dpdk/app/test-pmd/testpmd.c @@ -0,0 +1,3859 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2017 Intel Corporation + */ + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <time.h> +#include <fcntl.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <errno.h> +#include <stdbool.h> + +#include <sys/queue.h> +#include <sys/stat.h> + +#include <stdint.h> +#include <unistd.h> +#include <inttypes.h> + +#include <rte_common.h> +#include <rte_errno.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_launch.h> +#include <rte_eal.h> +#include <rte_alarm.h> +#include <rte_per_lcore.h> +#include <rte_lcore.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_mempool.h> +#include <rte_malloc.h> +#include <rte_mbuf.h> +#include <rte_mbuf_pool_ops.h> +#include <rte_interrupts.h> +#include <rte_pci.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_dev.h> +#include <rte_string_fns.h> +#ifdef RTE_LIBRTE_IXGBE_PMD +#include <rte_pmd_ixgbe.h> +#endif +#ifdef RTE_LIBRTE_PDUMP +#include <rte_pdump.h> +#endif +#include <rte_flow.h> +#include <rte_metrics.h> +#ifdef RTE_LIBRTE_BITRATE +#include <rte_bitrate.h> +#endif +#ifdef RTE_LIBRTE_LATENCY_STATS +#include <rte_latencystats.h> +#endif + +#include "testpmd.h" + +#ifndef MAP_HUGETLB +/* FreeBSD may not have MAP_HUGETLB (in fact, it probably doesn't) */ +#define HUGE_FLAG (0x40000) +#else +#define HUGE_FLAG MAP_HUGETLB +#endif + +#ifndef MAP_HUGE_SHIFT +/* older kernels (or FreeBSD) will not have this define */ +#define HUGE_SHIFT (26) +#else +#define HUGE_SHIFT MAP_HUGE_SHIFT +#endif + +#define EXTMEM_HEAP_NAME "extmem" +#define EXTBUF_ZONE_SIZE RTE_PGSIZE_2M + +uint16_t verbose_level = 0; /**< Silent by default. */ +int testpmd_logtype; /**< Log type for testpmd logs */ + +/* use master core for command line ? */ +uint8_t interactive = 0; +uint8_t auto_start = 0; +uint8_t tx_first; +char cmdline_filename[PATH_MAX] = {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 = 1; /**< numa enabled by default */ + +/* + * In UMA mode,all memory is allocated from socket 0 if --socket-num is + * not configured. + */ +uint8_t socket_num = UMA_NO_CONFIG; + +/* + * Select mempool allocation type: + * - native: use regular DPDK memory + * - anon: use regular DPDK memory to create mempool, but populate using + * anonymous memory (may not be IOVA-contiguous) + * - xmem: use externally allocated hugepage memory + */ +uint8_t mp_alloc_type = MP_ALLOC_NATIVE; + +/* + * Store specified sockets on which memory pool to be used by ports + * is allocated. + */ +uint8_t port_numa[RTE_MAX_ETHPORTS]; + +/* + * Store specified sockets on which RX ring to be used by ports + * is allocated. + */ +uint8_t rxring_numa[RTE_MAX_ETHPORTS]; + +/* + * Store specified sockets on which TX ring to be used by ports + * is allocated. + */ +uint8_t txring_numa[RTE_MAX_ETHPORTS]; + +/* + * Record the Ethernet address of peer target ports to which packets are + * forwarded. + * Must be instantiated with the ethernet addresses of peer traffic generator + * ports. + */ +struct rte_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. */ + +portid_t ports_ids[RTE_MAX_ETHPORTS]; /**< Store all port ids. */ + +/* + * 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, + &mac_swap_engine, + &flow_gen_engine, + &rx_only_engine, + &tx_only_engine, + &csum_fwd_engine, + &icmp_echo_engine, + &noisy_vnf_engine, +#if defined RTE_LIBRTE_PMD_SOFTNIC + &softnic_fwd_engine, +#endif +#ifdef RTE_LIBRTE_IEEE1588 + &ieee1588_fwd_engine, +#endif + NULL, +}; + +struct rte_mempool *mempools[RTE_MAX_NUMA_NODES]; +uint16_t mempool_flags; + +struct fwd_config cur_fwd_config; +struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ +uint32_t retry_enabled; +uint32_t burst_tx_delay_time = BURST_TX_WAIT_US; +uint32_t burst_tx_retry_num = BURST_TX_RETRIES; + +uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ +uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if + * specified on command-line. */ +uint16_t stats_period; /**< Period to show statistics (disabled by default) */ + +/* + * In container, it cannot terminate the process which running with 'stats-period' + * option. Set flag to exit stats period loop after received SIGINT/SIGTERM. + */ +uint8_t f_quit; + +/* + * 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 */ + +enum tx_pkt_split tx_pkt_split = TX_PKT_SPLIT_OFF; +/**< Split policy for packets to TX. */ + +uint8_t txonly_multi_flow; +/**< Whether multiple flows are generated in TXONLY mode. */ + +uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ +uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */ + +/* current configuration is in DCB or not,0 means it is not in DCB mode */ +uint8_t dcb_config = 0; + +/* Whether the dcb is in testing status */ +uint8_t dcb_test = 0; + +/* + * Configurable number of RX/TX queues. + */ +queueid_t nb_hairpinq; /**< Number of hairpin queues per port. */ +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. + * Defaults are supplied by drivers via ethdev. + */ +#define RTE_TEST_RX_DESC_DEFAULT 0 +#define RTE_TEST_TX_DESC_DEFAULT 0 +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. */ + +#define RTE_PMD_PARAM_UNSET -1 +/* + * Configurable values of RX and TX ring threshold registers. + */ + +int8_t rx_pthresh = RTE_PMD_PARAM_UNSET; +int8_t rx_hthresh = RTE_PMD_PARAM_UNSET; +int8_t rx_wthresh = RTE_PMD_PARAM_UNSET; + +int8_t tx_pthresh = RTE_PMD_PARAM_UNSET; +int8_t tx_hthresh = RTE_PMD_PARAM_UNSET; +int8_t tx_wthresh = RTE_PMD_PARAM_UNSET; + +/* + * Configurable value of RX free threshold. + */ +int16_t rx_free_thresh = RTE_PMD_PARAM_UNSET; + +/* + * Configurable value of RX drop enable. + */ +int8_t rx_drop_en = RTE_PMD_PARAM_UNSET; + +/* + * Configurable value of TX free threshold. + */ +int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET; + +/* + * Configurable value of TX RS bit threshold. + */ +int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET; + +/* + * Configurable value of buffered packets before sending. + */ +uint16_t noisy_tx_sw_bufsz; + +/* + * Configurable value of packet buffer timeout. + */ +uint16_t noisy_tx_sw_buf_flush_time; + +/* + * Configurable value for size of VNF internal memory area + * used for simulating noisy neighbour behaviour + */ +uint64_t noisy_lkup_mem_sz; + +/* + * Configurable value of number of random writes done in + * VNF simulation memory area. + */ +uint64_t noisy_lkup_num_writes; + +/* + * Configurable value of number of random reads done in + * VNF simulation memory area. + */ +uint64_t noisy_lkup_num_reads; + +/* + * Configurable value of number of random reads/writes done in + * VNF simulation memory area. + */ +uint64_t noisy_lkup_num_reads_writes; + +/* + * Receive Side Scaling (RSS) configuration. + */ +uint64_t rss_hf = ETH_RSS_IP; /* RSS IP by default. */ + +/* + * Port topology configuration + */ +uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ + +/* + * Avoids to flush all the RX streams before starts forwarding. + */ +uint8_t no_flush_rx = 0; /* flush by default */ + +/* + * Flow API isolated mode. + */ +uint8_t flow_isolate_all; + +/* + * Avoids to check link status when starting/stopping a port. + */ +uint8_t no_link_check = 0; /* check by default */ + +/* + * Don't automatically start all ports in interactive mode. + */ +uint8_t no_device_start = 0; + +/* + * Enable link status change notification + */ +uint8_t lsc_interrupt = 1; /* enabled by default */ + +/* + * Enable device removal notification. + */ +uint8_t rmv_interrupt = 1; /* enabled by default */ + +uint8_t hot_plug = 0; /**< hotplug disabled by default. */ + +/* After attach, port setup is called on event or by iterator */ +bool setup_on_probe_event = true; + +/* Clear ptypes on port initialization. */ +uint8_t clear_ptypes = true; + +/* Pretty printing of ethdev events */ +static const char * const eth_event_desc[] = { + [RTE_ETH_EVENT_UNKNOWN] = "unknown", + [RTE_ETH_EVENT_INTR_LSC] = "link state change", + [RTE_ETH_EVENT_QUEUE_STATE] = "queue state", + [RTE_ETH_EVENT_INTR_RESET] = "reset", + [RTE_ETH_EVENT_VF_MBOX] = "VF mbox", + [RTE_ETH_EVENT_IPSEC] = "IPsec", + [RTE_ETH_EVENT_MACSEC] = "MACsec", + [RTE_ETH_EVENT_INTR_RMV] = "device removal", + [RTE_ETH_EVENT_NEW] = "device probed", + [RTE_ETH_EVENT_DESTROY] = "device released", + [RTE_ETH_EVENT_FLOW_AGED] = "flow aged", + [RTE_ETH_EVENT_MAX] = NULL, +}; + +/* + * Display or mask ether events + * Default to all events except VF_MBOX + */ +uint32_t event_print_mask = (UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN) | + (UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC) | + (UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE) | + (UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET) | + (UINT32_C(1) << RTE_ETH_EVENT_IPSEC) | + (UINT32_C(1) << RTE_ETH_EVENT_MACSEC) | + (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV) | + (UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED); +/* + * Decide if all memory are locked for performance. + */ +int do_mlockall = 0; + +/* + * NIC bypass mode configuration options. + */ + +#if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS +/* The NIC bypass watchdog timeout. */ +uint32_t bypass_timeout = RTE_PMD_IXGBE_BYPASS_TMT_OFF; +#endif + + +#ifdef RTE_LIBRTE_LATENCY_STATS + +/* + * Set when latency stats is enabled in the commandline + */ +uint8_t latencystats_enabled; + +/* + * Lcore ID to serive latency statistics. + */ +lcoreid_t latencystats_lcore_id = -1; + +#endif + +/* + * Ethernet device configuration. + */ +struct rte_eth_rxmode rx_mode = { + .max_rx_pkt_len = RTE_ETHER_MAX_LEN, + /**< Default maximum frame length. */ +}; + +struct rte_eth_txmode tx_mode = { + .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE, +}; + +struct rte_fdir_conf fdir_conf = { + .mode = RTE_FDIR_MODE_NONE, + .pballoc = RTE_FDIR_PBALLOC_64K, + .status = RTE_FDIR_REPORT_STATUS, + .mask = { + .vlan_tci_mask = 0xFFEF, + .ipv4_mask = { + .src_ip = 0xFFFFFFFF, + .dst_ip = 0xFFFFFFFF, + }, + .ipv6_mask = { + .src_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, + .dst_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, + }, + .src_port_mask = 0xFFFF, + .dst_port_mask = 0xFFFF, + .mac_addr_byte_mask = 0xFF, + .tunnel_type_mask = 1, + .tunnel_id_mask = 0xFFFFFFFF, + }, + .drop_queue = 127, +}; + +volatile int test_done = 1; /* stop packet forwarding when set to 1. */ + +struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS]; +struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS]; + +struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array; +struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array; + +uint16_t nb_tx_queue_stats_mappings = 0; +uint16_t nb_rx_queue_stats_mappings = 0; + +/* + * Display zero values by default for xstats + */ +uint8_t xstats_hide_zero; + +unsigned int num_sockets = 0; +unsigned int socket_ids[RTE_MAX_NUMA_NODES]; + +#ifdef RTE_LIBRTE_BITRATE +/* Bitrate statistics */ +struct rte_stats_bitrates *bitrate_data; +lcoreid_t bitrate_lcore_id; +uint8_t bitrate_enabled; +#endif + +struct gro_status gro_ports[RTE_MAX_ETHPORTS]; +uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES; + +/* + * hexadecimal bitmask of RX mq mode can be enabled. + */ +enum rte_eth_rx_mq_mode rx_mq_mode = ETH_MQ_RX_VMDQ_DCB_RSS; + +/* Forward function declarations */ +static void setup_attached_port(portid_t pi); +static void map_port_queue_stats_mapping_registers(portid_t pi, + struct rte_port *port); +static void check_all_ports_link_status(uint32_t port_mask); +static int eth_event_callback(portid_t port_id, + enum rte_eth_event_type type, + void *param, void *ret_param); +static void dev_event_callback(const char *device_name, + enum rte_dev_event_type type, + void *param); + +/* + * Check if all the ports are started. + * If yes, return positive value. If not, return zero. + */ +static int all_ports_started(void); + +struct gso_status gso_ports[RTE_MAX_ETHPORTS]; +uint16_t gso_max_segment_size = RTE_ETHER_MAX_LEN - RTE_ETHER_CRC_LEN; + +/* Holds the registered mbuf dynamic flags names. */ +char dynf_names[64][RTE_MBUF_DYN_NAMESIZE]; + +/* + * Helper function to check if socket is already discovered. + * If yes, return positive value. If not, return zero. + */ +int +new_socket_id(unsigned int socket_id) +{ + unsigned int i; + + for (i = 0; i < num_sockets; i++) { + if (socket_ids[i] == socket_id) + return 0; + } + return 1; +} + +/* + * Setup default configuration. + */ +static void +set_default_fwd_lcores_config(void) +{ + unsigned int i; + unsigned int nb_lc; + unsigned int sock_num; + + nb_lc = 0; + for (i = 0; i < RTE_MAX_LCORE; i++) { + if (!rte_lcore_is_enabled(i)) + continue; + sock_num = rte_lcore_to_socket_id(i); + if (new_socket_id(sock_num)) { + if (num_sockets >= RTE_MAX_NUMA_NODES) { + rte_exit(EXIT_FAILURE, + "Total sockets greater than %u\n", + RTE_MAX_NUMA_NODES); + } + socket_ids[num_sockets++] = sock_num; + } + 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] = RTE_ETHER_LOCAL_ADMIN_ADDR; + peer_eth_addrs[i].addr_bytes[5] = i; + } +} + +static void +set_default_fwd_ports_config(void) +{ + portid_t pt_id; + int i = 0; + + RTE_ETH_FOREACH_DEV(pt_id) { + fwd_ports_ids[i++] = pt_id; + + /* Update sockets info according to the attached device */ + int socket_id = rte_eth_dev_socket_id(pt_id); + if (socket_id >= 0 && new_socket_id(socket_id)) { + if (num_sockets >= RTE_MAX_NUMA_NODES) { + rte_exit(EXIT_FAILURE, + "Total sockets greater than %u\n", + RTE_MAX_NUMA_NODES); + } + socket_ids[num_sockets++] = socket_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(); +} + +/* extremely pessimistic estimation of memory required to create a mempool */ +static int +calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out) +{ + unsigned int n_pages, mbuf_per_pg, leftover; + uint64_t total_mem, mbuf_mem, obj_sz; + + /* there is no good way to predict how much space the mempool will + * occupy because it will allocate chunks on the fly, and some of those + * will come from default DPDK memory while some will come from our + * external memory, so just assume 128MB will be enough for everyone. + */ + uint64_t hdr_mem = 128 << 20; + + /* account for possible non-contiguousness */ + obj_sz = rte_mempool_calc_obj_size(mbuf_sz, 0, NULL); + if (obj_sz > pgsz) { + TESTPMD_LOG(ERR, "Object size is bigger than page size\n"); + return -1; + } + + mbuf_per_pg = pgsz / obj_sz; + leftover = (nb_mbufs % mbuf_per_pg) > 0; + n_pages = (nb_mbufs / mbuf_per_pg) + leftover; + + mbuf_mem = n_pages * pgsz; + + total_mem = RTE_ALIGN(hdr_mem + mbuf_mem, pgsz); + + if (total_mem > SIZE_MAX) { + TESTPMD_LOG(ERR, "Memory size too big\n"); + return -1; + } + *out = (size_t)total_mem; + + return 0; +} + +static int +pagesz_flags(uint64_t page_sz) +{ + /* as per mmap() manpage, all page sizes are log2 of page size + * shifted by MAP_HUGE_SHIFT + */ + int log2 = rte_log2_u64(page_sz); + + return (log2 << HUGE_SHIFT); +} + +static void * +alloc_mem(size_t memsz, size_t pgsz, bool huge) +{ + void *addr; + int flags; + + /* allocate anonymous hugepages */ + flags = MAP_ANONYMOUS | MAP_PRIVATE; + if (huge) + flags |= HUGE_FLAG | pagesz_flags(pgsz); + + addr = mmap(NULL, memsz, PROT_READ | PROT_WRITE, flags, -1, 0); + if (addr == MAP_FAILED) + return NULL; + + return addr; +} + +struct extmem_param { + void *addr; + size_t len; + size_t pgsz; + rte_iova_t *iova_table; + unsigned int iova_table_len; +}; + +static int +create_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, struct extmem_param *param, + bool huge) +{ + uint64_t pgsizes[] = {RTE_PGSIZE_2M, RTE_PGSIZE_1G, /* x86_64, ARM */ + RTE_PGSIZE_16M, RTE_PGSIZE_16G}; /* POWER */ + unsigned int cur_page, n_pages, pgsz_idx; + size_t mem_sz, cur_pgsz; + rte_iova_t *iovas = NULL; + void *addr; + int ret; + + for (pgsz_idx = 0; pgsz_idx < RTE_DIM(pgsizes); pgsz_idx++) { + /* skip anything that is too big */ + if (pgsizes[pgsz_idx] > SIZE_MAX) + continue; + + cur_pgsz = pgsizes[pgsz_idx]; + + /* if we were told not to allocate hugepages, override */ + if (!huge) + cur_pgsz = sysconf(_SC_PAGESIZE); + + ret = calc_mem_size(nb_mbufs, mbuf_sz, cur_pgsz, &mem_sz); + if (ret < 0) { + TESTPMD_LOG(ERR, "Cannot calculate memory size\n"); + return -1; + } + + /* allocate our memory */ + addr = alloc_mem(mem_sz, cur_pgsz, huge); + + /* if we couldn't allocate memory with a specified page size, + * that doesn't mean we can't do it with other page sizes, so + * try another one. + */ + if (addr == NULL) + continue; + + /* store IOVA addresses for every page in this memory area */ + n_pages = mem_sz / cur_pgsz; + + iovas = malloc(sizeof(*iovas) * n_pages); + + if (iovas == NULL) { + TESTPMD_LOG(ERR, "Cannot allocate memory for iova addresses\n"); + goto fail; + } + /* lock memory if it's not huge pages */ + if (!huge) + mlock(addr, mem_sz); + + /* populate IOVA addresses */ + for (cur_page = 0; cur_page < n_pages; cur_page++) { + rte_iova_t iova; + size_t offset; + void *cur; + + offset = cur_pgsz * cur_page; + cur = RTE_PTR_ADD(addr, offset); + + /* touch the page before getting its IOVA */ + *(volatile char *)cur = 0; + + iova = rte_mem_virt2iova(cur); + + iovas[cur_page] = iova; + } + + break; + } + /* if we couldn't allocate anything */ + if (iovas == NULL) + return -1; + + param->addr = addr; + param->len = mem_sz; + param->pgsz = cur_pgsz; + param->iova_table = iovas; + param->iova_table_len = n_pages; + + return 0; +fail: + if (iovas) + free(iovas); + if (addr) + munmap(addr, mem_sz); + + return -1; +} + +static int +setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge) +{ + struct extmem_param param; + int socket_id, ret; + + memset(¶m, 0, sizeof(param)); + + /* check if our heap exists */ + socket_id = rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME); + if (socket_id < 0) { + /* create our heap */ + ret = rte_malloc_heap_create(EXTMEM_HEAP_NAME); + if (ret < 0) { + TESTPMD_LOG(ERR, "Cannot create heap\n"); + return -1; + } + } + + ret = create_extmem(nb_mbufs, mbuf_sz, ¶m, huge); + if (ret < 0) { + TESTPMD_LOG(ERR, "Cannot create memory area\n"); + return -1; + } + + /* we now have a valid memory area, so add it to heap */ + ret = rte_malloc_heap_memory_add(EXTMEM_HEAP_NAME, + param.addr, param.len, param.iova_table, + param.iova_table_len, param.pgsz); + + /* when using VFIO, memory is automatically mapped for DMA by EAL */ + + /* not needed any more */ + free(param.iova_table); + + if (ret < 0) { + TESTPMD_LOG(ERR, "Cannot add memory to heap\n"); + munmap(param.addr, param.len); + return -1; + } + + /* success */ + + TESTPMD_LOG(DEBUG, "Allocated %zuMB of external memory\n", + param.len >> 20); + + return 0; +} +static void +dma_unmap_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused, + struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused) +{ + uint16_t pid = 0; + int ret; + + RTE_ETH_FOREACH_DEV(pid) { + struct rte_eth_dev *dev = + &rte_eth_devices[pid]; + + ret = rte_dev_dma_unmap(dev->device, memhdr->addr, 0, + memhdr->len); + if (ret) { + TESTPMD_LOG(DEBUG, + "unable to DMA unmap addr 0x%p " + "for device %s\n", + memhdr->addr, dev->data->name); + } + } + ret = rte_extmem_unregister(memhdr->addr, memhdr->len); + if (ret) { + TESTPMD_LOG(DEBUG, + "unable to un-register addr 0x%p\n", memhdr->addr); + } +} + +static void +dma_map_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused, + struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused) +{ + uint16_t pid = 0; + size_t page_size = sysconf(_SC_PAGESIZE); + int ret; + + ret = rte_extmem_register(memhdr->addr, memhdr->len, NULL, 0, + page_size); + if (ret) { + TESTPMD_LOG(DEBUG, + "unable to register addr 0x%p\n", memhdr->addr); + return; + } + RTE_ETH_FOREACH_DEV(pid) { + struct rte_eth_dev *dev = + &rte_eth_devices[pid]; + + ret = rte_dev_dma_map(dev->device, memhdr->addr, 0, + memhdr->len); + if (ret) { + TESTPMD_LOG(DEBUG, + "unable to DMA map addr 0x%p " + "for device %s\n", + memhdr->addr, dev->data->name); + } + } +} + +static unsigned int +setup_extbuf(uint32_t nb_mbufs, uint16_t mbuf_sz, unsigned int socket_id, + char *pool_name, struct rte_pktmbuf_extmem **ext_mem) +{ + struct rte_pktmbuf_extmem *xmem; + unsigned int ext_num, zone_num, elt_num; + uint16_t elt_size; + + elt_size = RTE_ALIGN_CEIL(mbuf_sz, RTE_CACHE_LINE_SIZE); + elt_num = EXTBUF_ZONE_SIZE / elt_size; + zone_num = (nb_mbufs + elt_num - 1) / elt_num; + + xmem = malloc(sizeof(struct rte_pktmbuf_extmem) * zone_num); + if (xmem == NULL) { + TESTPMD_LOG(ERR, "Cannot allocate memory for " + "external buffer descriptors\n"); + *ext_mem = NULL; + return 0; + } + for (ext_num = 0; ext_num < zone_num; ext_num++) { + struct rte_pktmbuf_extmem *xseg = xmem + ext_num; + const struct rte_memzone *mz; + char mz_name[RTE_MEMZONE_NAMESIZE]; + int ret; + + ret = snprintf(mz_name, sizeof(mz_name), + RTE_MEMPOOL_MZ_FORMAT "_xb_%u", pool_name, ext_num); + if (ret < 0 || ret >= (int)sizeof(mz_name)) { + errno = ENAMETOOLONG; + ext_num = 0; + break; + } + mz = rte_memzone_reserve_aligned(mz_name, EXTBUF_ZONE_SIZE, + socket_id, + RTE_MEMZONE_IOVA_CONTIG | + RTE_MEMZONE_1GB | + RTE_MEMZONE_SIZE_HINT_ONLY, + EXTBUF_ZONE_SIZE); + if (mz == NULL) { + /* + * The caller exits on external buffer creation + * error, so there is no need to free memzones. + */ + errno = ENOMEM; + ext_num = 0; + break; + } + xseg->buf_ptr = mz->addr; + xseg->buf_iova = mz->iova; + xseg->buf_len = EXTBUF_ZONE_SIZE; + xseg->elt_size = elt_size; + } + if (ext_num == 0 && xmem != NULL) { + free(xmem); + xmem = NULL; + } + *ext_mem = xmem; + return ext_num; +} + +/* + * Configuration initialisation done once at init time. + */ +static struct rte_mempool * +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 = NULL; + uint32_t mb_size; + + mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size; + mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); + + TESTPMD_LOG(INFO, + "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n", + pool_name, nb_mbuf, mbuf_seg_size, socket_id); + + switch (mp_alloc_type) { + case MP_ALLOC_NATIVE: + { + /* wrapper to rte_mempool_create() */ + TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n", + rte_mbuf_best_mempool_ops()); + rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf, + mb_mempool_cache, 0, mbuf_seg_size, socket_id); + break; + } + case MP_ALLOC_ANON: + { + rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf, + mb_size, (unsigned int) mb_mempool_cache, + sizeof(struct rte_pktmbuf_pool_private), + socket_id, mempool_flags); + if (rte_mp == NULL) + goto err; + + if (rte_mempool_populate_anon(rte_mp) == 0) { + rte_mempool_free(rte_mp); + rte_mp = NULL; + goto err; + } + rte_pktmbuf_pool_init(rte_mp, NULL); + rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL); + rte_mempool_mem_iter(rte_mp, dma_map_cb, NULL); + break; + } + case MP_ALLOC_XMEM: + case MP_ALLOC_XMEM_HUGE: + { + int heap_socket; + bool huge = mp_alloc_type == MP_ALLOC_XMEM_HUGE; + + if (setup_extmem(nb_mbuf, mbuf_seg_size, huge) < 0) + rte_exit(EXIT_FAILURE, "Could not create external memory\n"); + + heap_socket = + rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME); + if (heap_socket < 0) + rte_exit(EXIT_FAILURE, "Could not get external memory socket ID\n"); + + TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n", + rte_mbuf_best_mempool_ops()); + rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf, + mb_mempool_cache, 0, mbuf_seg_size, + heap_socket); + break; + } + case MP_ALLOC_XBUF: + { + struct rte_pktmbuf_extmem *ext_mem; + unsigned int ext_num; + + ext_num = setup_extbuf(nb_mbuf, mbuf_seg_size, + socket_id, pool_name, &ext_mem); + if (ext_num == 0) + rte_exit(EXIT_FAILURE, + "Can't create pinned data buffers\n"); + + TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n", + rte_mbuf_best_mempool_ops()); + rte_mp = rte_pktmbuf_pool_create_extbuf + (pool_name, nb_mbuf, mb_mempool_cache, + 0, mbuf_seg_size, socket_id, + ext_mem, ext_num); + free(ext_mem); + break; + } + default: + { + rte_exit(EXIT_FAILURE, "Invalid mempool creation mode\n"); + } + } + +err: + if (rte_mp == NULL) { + rte_exit(EXIT_FAILURE, + "Creation of mbuf pool for socket %u failed: %s\n", + socket_id, rte_strerror(rte_errno)); + } else if (verbose_level > 0) { + rte_mempool_dump(stdout, rte_mp); + } + return rte_mp; +} + +/* + * Check given socket id is valid or not with NUMA mode, + * if valid, return 0, else return -1 + */ +static int +check_socket_id(const unsigned int socket_id) +{ + static int warning_once = 0; + + if (new_socket_id(socket_id)) { + if (!warning_once && numa_support) + printf("Warning: NUMA should be configured manually by" + " using --port-numa-config and" + " --ring-numa-config parameters along with" + " --numa.\n"); + warning_once = 1; + return -1; + } + return 0; +} + +/* + * Get the allowed maximum number of RX queues. + * *pid return the port id which has minimal value of + * max_rx_queues in all ports. + */ +queueid_t +get_allowed_max_nb_rxq(portid_t *pid) +{ + queueid_t allowed_max_rxq = RTE_MAX_QUEUES_PER_PORT; + bool max_rxq_valid = false; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + max_rxq_valid = true; + if (dev_info.max_rx_queues < allowed_max_rxq) { + allowed_max_rxq = dev_info.max_rx_queues; + *pid = pi; + } + } + return max_rxq_valid ? allowed_max_rxq : 0; +} + +/* + * Check input rxq is valid or not. + * If input rxq is not greater than any of maximum number + * of RX queues of all ports, it is valid. + * if valid, return 0, else return -1 + */ +int +check_nb_rxq(queueid_t rxq) +{ + queueid_t allowed_max_rxq; + portid_t pid = 0; + + allowed_max_rxq = get_allowed_max_nb_rxq(&pid); + if (rxq > allowed_max_rxq) { + printf("Fail: input rxq (%u) can't be greater " + "than max_rx_queues (%u) of port %u\n", + rxq, + allowed_max_rxq, + pid); + return -1; + } + return 0; +} + +/* + * Get the allowed maximum number of TX queues. + * *pid return the port id which has minimal value of + * max_tx_queues in all ports. + */ +queueid_t +get_allowed_max_nb_txq(portid_t *pid) +{ + queueid_t allowed_max_txq = RTE_MAX_QUEUES_PER_PORT; + bool max_txq_valid = false; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + max_txq_valid = true; + if (dev_info.max_tx_queues < allowed_max_txq) { + allowed_max_txq = dev_info.max_tx_queues; + *pid = pi; + } + } + return max_txq_valid ? allowed_max_txq : 0; +} + +/* + * Check input txq is valid or not. + * If input txq is not greater than any of maximum number + * of TX queues of all ports, it is valid. + * if valid, return 0, else return -1 + */ +int +check_nb_txq(queueid_t txq) +{ + queueid_t allowed_max_txq; + portid_t pid = 0; + + allowed_max_txq = get_allowed_max_nb_txq(&pid); + if (txq > allowed_max_txq) { + printf("Fail: input txq (%u) can't be greater " + "than max_tx_queues (%u) of port %u\n", + txq, + allowed_max_txq, + pid); + return -1; + } + return 0; +} + +/* + * Get the allowed maximum number of RXDs of every rx queue. + * *pid return the port id which has minimal value of + * max_rxd in all queues of all ports. + */ +static uint16_t +get_allowed_max_nb_rxd(portid_t *pid) +{ + uint16_t allowed_max_rxd = UINT16_MAX; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + if (dev_info.rx_desc_lim.nb_max < allowed_max_rxd) { + allowed_max_rxd = dev_info.rx_desc_lim.nb_max; + *pid = pi; + } + } + return allowed_max_rxd; +} + +/* + * Get the allowed minimal number of RXDs of every rx queue. + * *pid return the port id which has minimal value of + * min_rxd in all queues of all ports. + */ +static uint16_t +get_allowed_min_nb_rxd(portid_t *pid) +{ + uint16_t allowed_min_rxd = 0; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + if (dev_info.rx_desc_lim.nb_min > allowed_min_rxd) { + allowed_min_rxd = dev_info.rx_desc_lim.nb_min; + *pid = pi; + } + } + + return allowed_min_rxd; +} + +/* + * Check input rxd is valid or not. + * If input rxd is not greater than any of maximum number + * of RXDs of every Rx queues and is not less than any of + * minimal number of RXDs of every Rx queues, it is valid. + * if valid, return 0, else return -1 + */ +int +check_nb_rxd(queueid_t rxd) +{ + uint16_t allowed_max_rxd; + uint16_t allowed_min_rxd; + portid_t pid = 0; + + allowed_max_rxd = get_allowed_max_nb_rxd(&pid); + if (rxd > allowed_max_rxd) { + printf("Fail: input rxd (%u) can't be greater " + "than max_rxds (%u) of port %u\n", + rxd, + allowed_max_rxd, + pid); + return -1; + } + + allowed_min_rxd = get_allowed_min_nb_rxd(&pid); + if (rxd < allowed_min_rxd) { + printf("Fail: input rxd (%u) can't be less " + "than min_rxds (%u) of port %u\n", + rxd, + allowed_min_rxd, + pid); + return -1; + } + + return 0; +} + +/* + * Get the allowed maximum number of TXDs of every rx queues. + * *pid return the port id which has minimal value of + * max_txd in every tx queue. + */ +static uint16_t +get_allowed_max_nb_txd(portid_t *pid) +{ + uint16_t allowed_max_txd = UINT16_MAX; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + if (dev_info.tx_desc_lim.nb_max < allowed_max_txd) { + allowed_max_txd = dev_info.tx_desc_lim.nb_max; + *pid = pi; + } + } + return allowed_max_txd; +} + +/* + * Get the allowed maximum number of TXDs of every tx queues. + * *pid return the port id which has minimal value of + * min_txd in every tx queue. + */ +static uint16_t +get_allowed_min_nb_txd(portid_t *pid) +{ + uint16_t allowed_min_txd = 0; + portid_t pi; + struct rte_eth_dev_info dev_info; + + RTE_ETH_FOREACH_DEV(pi) { + if (eth_dev_info_get_print_err(pi, &dev_info) != 0) + continue; + + if (dev_info.tx_desc_lim.nb_min > allowed_min_txd) { + allowed_min_txd = dev_info.tx_desc_lim.nb_min; + *pid = pi; + } + } + + return allowed_min_txd; +} + +/* + * Check input txd is valid or not. + * If input txd is not greater than any of maximum number + * of TXDs of every Rx queues, it is valid. + * if valid, return 0, else return -1 + */ +int +check_nb_txd(queueid_t txd) +{ + uint16_t allowed_max_txd; + uint16_t allowed_min_txd; + portid_t pid = 0; + + allowed_max_txd = get_allowed_max_nb_txd(&pid); + if (txd > allowed_max_txd) { + printf("Fail: input txd (%u) can't be greater " + "than max_txds (%u) of port %u\n", + txd, + allowed_max_txd, + pid); + return -1; + } + + allowed_min_txd = get_allowed_min_nb_txd(&pid); + if (txd < allowed_min_txd) { + printf("Fail: input txd (%u) can't be less " + "than min_txds (%u) of port %u\n", + txd, + allowed_min_txd, + pid); + return -1; + } + return 0; +} + + +/* + * Get the allowed maximum number of hairpin queues. + * *pid return the port id which has minimal value of + * max_hairpin_queues in all ports. + */ +queueid_t +get_allowed_max_nb_hairpinq(portid_t *pid) +{ + queueid_t allowed_max_hairpinq = RTE_MAX_QUEUES_PER_PORT; + portid_t pi; + struct rte_eth_hairpin_cap cap; + + RTE_ETH_FOREACH_DEV(pi) { + if (rte_eth_dev_hairpin_capability_get(pi, &cap) != 0) { + *pid = pi; + return 0; + } + if (cap.max_nb_queues < allowed_max_hairpinq) { + allowed_max_hairpinq = cap.max_nb_queues; + *pid = pi; + } + } + return allowed_max_hairpinq; +} + +/* + * Check input hairpin is valid or not. + * If input hairpin is not greater than any of maximum number + * of hairpin queues of all ports, it is valid. + * if valid, return 0, else return -1 + */ +int +check_nb_hairpinq(queueid_t hairpinq) +{ + queueid_t allowed_max_hairpinq; + portid_t pid = 0; + + allowed_max_hairpinq = get_allowed_max_nb_hairpinq(&pid); + if (hairpinq > allowed_max_hairpinq) { + printf("Fail: input hairpin (%u) can't be greater " + "than max_hairpin_queues (%u) of port %u\n", + hairpinq, allowed_max_hairpinq, pid); + return -1; + } + return 0; +} + +static void +init_config(void) +{ + portid_t pid; + struct rte_port *port; + struct rte_mempool *mbp; + unsigned int nb_mbuf_per_pool; + lcoreid_t lc_id; + uint8_t port_per_socket[RTE_MAX_NUMA_NODES]; + struct rte_gro_param gro_param; + uint32_t gso_types; + uint16_t data_size; + bool warning = 0; + int k; + int ret; + + memset(port_per_socket,0,RTE_MAX_NUMA_NODES); + + /* Configuration of logical cores. */ + fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", + sizeof(struct fwd_lcore *) * nb_lcores, + RTE_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), + RTE_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; + } + + RTE_ETH_FOREACH_DEV(pid) { + port = &ports[pid]; + /* Apply default TxRx configuration for all ports */ + port->dev_conf.txmode = tx_mode; + port->dev_conf.rxmode = rx_mode; + + ret = eth_dev_info_get_print_err(pid, &port->dev_info); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "rte_eth_dev_info_get() failed\n"); + + if (!(port->dev_info.tx_offload_capa & + DEV_TX_OFFLOAD_MBUF_FAST_FREE)) + port->dev_conf.txmode.offloads &= + ~DEV_TX_OFFLOAD_MBUF_FAST_FREE; + if (numa_support) { + if (port_numa[pid] != NUMA_NO_CONFIG) + port_per_socket[port_numa[pid]]++; + else { + uint32_t socket_id = rte_eth_dev_socket_id(pid); + + /* + * if socket_id is invalid, + * set to the first available socket. + */ + if (check_socket_id(socket_id) < 0) + socket_id = socket_ids[0]; + port_per_socket[socket_id]++; + } + } + + /* Apply Rx offloads configuration */ + for (k = 0; k < port->dev_info.max_rx_queues; k++) + port->rx_conf[k].offloads = + port->dev_conf.rxmode.offloads; + /* Apply Tx offloads configuration */ + for (k = 0; k < port->dev_info.max_tx_queues; k++) + port->tx_conf[k].offloads = + port->dev_conf.txmode.offloads; + + /* set flag to initialize port/queue */ + port->need_reconfig = 1; + port->need_reconfig_queues = 1; + port->tx_metadata = 0; + + /* Check for maximum number of segments per MTU. Accordingly + * update the mbuf data size. + */ + if (port->dev_info.rx_desc_lim.nb_mtu_seg_max != UINT16_MAX && + port->dev_info.rx_desc_lim.nb_mtu_seg_max != 0) { + data_size = rx_mode.max_rx_pkt_len / + port->dev_info.rx_desc_lim.nb_mtu_seg_max; + + if ((data_size + RTE_PKTMBUF_HEADROOM) > + mbuf_data_size) { + mbuf_data_size = data_size + + RTE_PKTMBUF_HEADROOM; + warning = 1; + } + } + } + + if (warning) + TESTPMD_LOG(WARNING, "Configured mbuf size %hu\n", + mbuf_data_size); + + /* + * Create pools of mbuf. + * If NUMA support is disabled, create a single pool of mbuf in + * socket 0 memory by default. + * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. + * + * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and + * nb_txd can be configured at run time. + */ + if (param_total_num_mbufs) + nb_mbuf_per_pool = param_total_num_mbufs; + else { + nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + + (nb_lcores * mb_mempool_cache) + + RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST; + nb_mbuf_per_pool *= RTE_MAX_ETHPORTS; + } + + if (numa_support) { + uint8_t i; + + for (i = 0; i < num_sockets; i++) + mempools[i] = mbuf_pool_create(mbuf_data_size, + nb_mbuf_per_pool, + socket_ids[i]); + } else { + if (socket_num == UMA_NO_CONFIG) + mempools[0] = mbuf_pool_create(mbuf_data_size, + nb_mbuf_per_pool, 0); + else + mempools[socket_num] = mbuf_pool_create + (mbuf_data_size, + nb_mbuf_per_pool, + socket_num); + } + + init_port_config(); + + gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO; + /* + * 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(fwd_lcores_cpuids[lc_id])); + + if (mbp == NULL) + mbp = mbuf_pool_find(0); + fwd_lcores[lc_id]->mbp = mbp; + /* initialize GSO context */ + fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp; + fwd_lcores[lc_id]->gso_ctx.indirect_pool = mbp; + fwd_lcores[lc_id]->gso_ctx.gso_types = gso_types; + fwd_lcores[lc_id]->gso_ctx.gso_size = RTE_ETHER_MAX_LEN - + RTE_ETHER_CRC_LEN; + fwd_lcores[lc_id]->gso_ctx.flag = 0; + } + + /* Configuration of packet forwarding streams. */ + if (init_fwd_streams() < 0) + rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n"); + + fwd_config_setup(); + + /* create a gro context for each lcore */ + gro_param.gro_types = RTE_GRO_TCP_IPV4; + gro_param.max_flow_num = GRO_MAX_FLUSH_CYCLES; + gro_param.max_item_per_flow = MAX_PKT_BURST; + for (lc_id = 0; lc_id < nb_lcores; lc_id++) { + gro_param.socket_id = rte_lcore_to_socket_id( + fwd_lcores_cpuids[lc_id]); + fwd_lcores[lc_id]->gro_ctx = rte_gro_ctx_create(&gro_param); + if (fwd_lcores[lc_id]->gro_ctx == NULL) { + rte_exit(EXIT_FAILURE, + "rte_gro_ctx_create() failed\n"); + } + } + +#if defined RTE_LIBRTE_PMD_SOFTNIC + if (strcmp(cur_fwd_eng->fwd_mode_name, "softnic") == 0) { + RTE_ETH_FOREACH_DEV(pid) { + port = &ports[pid]; + const char *driver = port->dev_info.driver_name; + + if (strcmp(driver, "net_softnic") == 0) + port->softport.fwd_lcore_arg = fwd_lcores; + } + } +#endif + +} + + +void +reconfig(portid_t new_port_id, unsigned socket_id) +{ + struct rte_port *port; + int ret; + + /* Reconfiguration of Ethernet ports. */ + port = &ports[new_port_id]; + + ret = eth_dev_info_get_print_err(new_port_id, &port->dev_info); + if (ret != 0) + return; + + /* set flag to initialize port/queue */ + port->need_reconfig = 1; + port->need_reconfig_queues = 1; + port->socket_id = socket_id; + + init_port_config(); +} + + +int +init_fwd_streams(void) +{ + portid_t pid; + struct rte_port *port; + streamid_t sm_id, nb_fwd_streams_new; + queueid_t q; + + /* set socket id according to numa or not */ + RTE_ETH_FOREACH_DEV(pid) { + port = &ports[pid]; + if (nb_rxq > port->dev_info.max_rx_queues) { + printf("Fail: nb_rxq(%d) is greater than " + "max_rx_queues(%d)\n", nb_rxq, + port->dev_info.max_rx_queues); + return -1; + } + if (nb_txq > port->dev_info.max_tx_queues) { + printf("Fail: nb_txq(%d) is greater than " + "max_tx_queues(%d)\n", nb_txq, + port->dev_info.max_tx_queues); + return -1; + } + if (numa_support) { + if (port_numa[pid] != NUMA_NO_CONFIG) + port->socket_id = port_numa[pid]; + else { + port->socket_id = rte_eth_dev_socket_id(pid); + + /* + * if socket_id is invalid, + * set to the first available socket. + */ + if (check_socket_id(port->socket_id) < 0) + port->socket_id = socket_ids[0]; + } + } + else { + if (socket_num == UMA_NO_CONFIG) + port->socket_id = 0; + else + port->socket_id = socket_num; + } + } + + q = RTE_MAX(nb_rxq, nb_txq); + if (q == 0) { + printf("Fail: Cannot allocate fwd streams as number of queues is 0\n"); + return -1; + } + nb_fwd_streams_new = (streamid_t)(nb_ports * q); + if (nb_fwd_streams_new == nb_fwd_streams) + return 0; + /* clear the old */ + if (fwd_streams != NULL) { + for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { + if (fwd_streams[sm_id] == NULL) + continue; + rte_free(fwd_streams[sm_id]); + fwd_streams[sm_id] = NULL; + } + rte_free(fwd_streams); + fwd_streams = NULL; + } + + /* init new */ + nb_fwd_streams = nb_fwd_streams_new; + if (nb_fwd_streams) { + fwd_streams = rte_zmalloc("testpmd: fwd_streams", + sizeof(struct fwd_stream *) * nb_fwd_streams, + RTE_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), + RTE_CACHE_LINE_SIZE); + if (fwd_streams[sm_id] == NULL) + rte_exit(EXIT_FAILURE, "rte_zmalloc" + "(struct fwd_stream) failed\n"); + } + } + + return 0; +} + +#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; + } else if (nb_burst > burst_stats[1]) { + burst_stats[1] = nb_burst; + pktnb_stats[1] = 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_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: %-14"PRIu64" TX-packets: %-14"PRIu64 + " TX-dropped: %-14"PRIu64, + fs->rx_packets, fs->tx_packets, fs->fwd_dropped); + + /* if checksum mode */ + if (cur_fwd_eng == &csum_fwd_engine) { + printf(" RX- bad IP checksum: %-14"PRIu64 + " Rx- bad L4 checksum: %-14"PRIu64 + " Rx- bad outer L4 checksum: %-14"PRIu64"\n", + fs->rx_bad_ip_csum, fs->rx_bad_l4_csum, + fs->rx_bad_outer_l4_csum); + } else { + printf("\n"); + } + +#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 +} + +void +fwd_stats_display(void) +{ + static const char *fwd_stats_border = "----------------------"; + static const char *acc_stats_border = "+++++++++++++++"; + struct { + struct fwd_stream *rx_stream; + struct fwd_stream *tx_stream; + uint64_t tx_dropped; + uint64_t rx_bad_ip_csum; + uint64_t rx_bad_l4_csum; + uint64_t rx_bad_outer_l4_csum; + } ports_stats[RTE_MAX_ETHPORTS]; + uint64_t total_rx_dropped = 0; + uint64_t total_tx_dropped = 0; + uint64_t total_rx_nombuf = 0; + struct rte_eth_stats stats; +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + uint64_t fwd_cycles = 0; +#endif + uint64_t total_recv = 0; + uint64_t total_xmit = 0; + struct rte_port *port; + streamid_t sm_id; + portid_t pt_id; + int i; + + memset(ports_stats, 0, sizeof(ports_stats)); + + for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { + struct fwd_stream *fs = fwd_streams[sm_id]; + + if (cur_fwd_config.nb_fwd_streams > + cur_fwd_config.nb_fwd_ports) { + fwd_stream_stats_display(sm_id); + } else { + ports_stats[fs->tx_port].tx_stream = fs; + ports_stats[fs->rx_port].rx_stream = fs; + } + + ports_stats[fs->tx_port].tx_dropped += fs->fwd_dropped; + + ports_stats[fs->rx_port].rx_bad_ip_csum += fs->rx_bad_ip_csum; + ports_stats[fs->rx_port].rx_bad_l4_csum += fs->rx_bad_l4_csum; + ports_stats[fs->rx_port].rx_bad_outer_l4_csum += + fs->rx_bad_outer_l4_csum; + +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + fwd_cycles += fs->core_cycles; +#endif + } + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { + uint8_t j; + + pt_id = fwd_ports_ids[i]; + port = &ports[pt_id]; + + rte_eth_stats_get(pt_id, &stats); + stats.ipackets -= port->stats.ipackets; + stats.opackets -= port->stats.opackets; + stats.ibytes -= port->stats.ibytes; + stats.obytes -= port->stats.obytes; + stats.imissed -= port->stats.imissed; + stats.oerrors -= port->stats.oerrors; + stats.rx_nombuf -= port->stats.rx_nombuf; + + total_recv += stats.ipackets; + total_xmit += stats.opackets; + total_rx_dropped += stats.imissed; + total_tx_dropped += ports_stats[pt_id].tx_dropped; + total_tx_dropped += stats.oerrors; + total_rx_nombuf += stats.rx_nombuf; + + printf("\n %s Forward statistics for port %-2d %s\n", + fwd_stats_border, pt_id, fwd_stats_border); + + if (!port->rx_queue_stats_mapping_enabled && + !port->tx_queue_stats_mapping_enabled) { + printf(" RX-packets: %-14"PRIu64 + " RX-dropped: %-14"PRIu64 + "RX-total: %-"PRIu64"\n", + stats.ipackets, stats.imissed, + stats.ipackets + stats.imissed); + + if (cur_fwd_eng == &csum_fwd_engine) + printf(" Bad-ipcsum: %-14"PRIu64 + " Bad-l4csum: %-14"PRIu64 + "Bad-outer-l4csum: %-14"PRIu64"\n", + ports_stats[pt_id].rx_bad_ip_csum, + ports_stats[pt_id].rx_bad_l4_csum, + ports_stats[pt_id].rx_bad_outer_l4_csum); + if (stats.ierrors + stats.rx_nombuf > 0) { + printf(" RX-error: %-"PRIu64"\n", + stats.ierrors); + printf(" RX-nombufs: %-14"PRIu64"\n", + stats.rx_nombuf); + } + + printf(" TX-packets: %-14"PRIu64 + " TX-dropped: %-14"PRIu64 + "TX-total: %-"PRIu64"\n", + stats.opackets, ports_stats[pt_id].tx_dropped, + stats.opackets + ports_stats[pt_id].tx_dropped); + } else { + printf(" RX-packets: %14"PRIu64 + " RX-dropped:%14"PRIu64 + " RX-total:%14"PRIu64"\n", + stats.ipackets, stats.imissed, + stats.ipackets + stats.imissed); + + if (cur_fwd_eng == &csum_fwd_engine) + printf(" Bad-ipcsum:%14"PRIu64 + " Bad-l4csum:%14"PRIu64 + " Bad-outer-l4csum: %-14"PRIu64"\n", + ports_stats[pt_id].rx_bad_ip_csum, + ports_stats[pt_id].rx_bad_l4_csum, + ports_stats[pt_id].rx_bad_outer_l4_csum); + if ((stats.ierrors + stats.rx_nombuf) > 0) { + printf(" RX-error:%"PRIu64"\n", stats.ierrors); + printf(" RX-nombufs: %14"PRIu64"\n", + stats.rx_nombuf); + } + + printf(" TX-packets: %14"PRIu64 + " TX-dropped:%14"PRIu64 + " TX-total:%14"PRIu64"\n", + stats.opackets, ports_stats[pt_id].tx_dropped, + stats.opackets + ports_stats[pt_id].tx_dropped); + } + +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS + if (ports_stats[pt_id].rx_stream) + pkt_burst_stats_display("RX", + &ports_stats[pt_id].rx_stream->rx_burst_stats); + if (ports_stats[pt_id].tx_stream) + pkt_burst_stats_display("TX", + &ports_stats[pt_id].tx_stream->tx_burst_stats); +#endif + + if (port->rx_queue_stats_mapping_enabled) { + printf("\n"); + for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) { + printf(" Stats reg %2d RX-packets:%14"PRIu64 + " RX-errors:%14"PRIu64 + " RX-bytes:%14"PRIu64"\n", + j, stats.q_ipackets[j], + stats.q_errors[j], stats.q_ibytes[j]); + } + printf("\n"); + } + if (port->tx_queue_stats_mapping_enabled) { + for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) { + printf(" Stats reg %2d TX-packets:%14"PRIu64 + " TX-bytes:%14" + PRIu64"\n", + j, stats.q_opackets[j], + stats.q_obytes[j]); + } + } + + printf(" %s--------------------------------%s\n", + fwd_stats_border, fwd_stats_border); + } + + 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 +#define CYC_PER_MHZ 1E6 + if (total_recv > 0) + printf("\n CPU cycles/packet=%.2F (total cycles=" + "%"PRIu64" / total RX packets=%"PRIu64") at %"PRIu64 + " MHz Clock\n", + (double) fwd_cycles / total_recv, + fwd_cycles, total_recv, + (uint64_t)(rte_get_tsc_hz() / CYC_PER_MHZ)); +#endif +} + +void +fwd_stats_reset(void) +{ + streamid_t sm_id; + portid_t pt_id; + int i; + + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { + pt_id = fwd_ports_ids[i]; + rte_eth_stats_get(pt_id, &ports[pt_id].stats); + } + for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { + struct fwd_stream *fs = fwd_streams[sm_id]; + + fs->rx_packets = 0; + fs->tx_packets = 0; + fs->fwd_dropped = 0; + fs->rx_bad_ip_csum = 0; + fs->rx_bad_l4_csum = 0; + fs->rx_bad_outer_l4_csum = 0; + +#ifdef RTE_TEST_PMD_RECORD_BURST_STATS + memset(&fs->rx_burst_stats, 0, sizeof(fs->rx_burst_stats)); + memset(&fs->tx_burst_stats, 0, sizeof(fs->tx_burst_stats)); +#endif +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES + fs->core_cycles = 0; +#endif + } +} + +static void +flush_fwd_rx_queues(void) +{ + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + portid_t rxp; + portid_t port_id; + queueid_t rxq; + uint16_t nb_rx; + uint16_t i; + uint8_t j; + uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; + uint64_t timer_period; + + /* convert to number of cycles */ + timer_period = rte_get_timer_hz(); /* 1 second timeout */ + + for (j = 0; j < 2; j++) { + for (rxp = 0; rxp < cur_fwd_config.nb_fwd_ports; rxp++) { + for (rxq = 0; rxq < nb_rxq; rxq++) { + port_id = fwd_ports_ids[rxp]; + /** + * testpmd can stuck in the below do while loop + * if rte_eth_rx_burst() always returns nonzero + * packets. So timer is added to exit this loop + * after 1sec timer expiry. + */ + prev_tsc = rte_rdtsc(); + do { + nb_rx = rte_eth_rx_burst(port_id, rxq, + pkts_burst, MAX_PKT_BURST); + for (i = 0; i < nb_rx; i++) + rte_pktmbuf_free(pkts_burst[i]); + + cur_tsc = rte_rdtsc(); + diff_tsc = cur_tsc - prev_tsc; + timer_tsc += diff_tsc; + } while ((nb_rx > 0) && + (timer_tsc < timer_period)); + timer_tsc = 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; +#ifdef RTE_LIBRTE_BITRATE + uint64_t tics_per_1sec; + uint64_t tics_datum; + uint64_t tics_current; + uint16_t i, cnt_ports; + + cnt_ports = nb_ports; + tics_datum = rte_rdtsc(); + tics_per_1sec = rte_get_timer_hz(); +#endif + 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]); +#ifdef RTE_LIBRTE_BITRATE + if (bitrate_enabled != 0 && + bitrate_lcore_id == rte_lcore_id()) { + tics_current = rte_rdtsc(); + if (tics_current - tics_datum >= tics_per_1sec) { + /* Periodic bitrate calculation */ + for (i = 0; i < cnt_ports; i++) + rte_stats_bitrate_calc(bitrate_data, + ports_ids[i]); + tics_datum = tics_current; + } + } +#endif +#ifdef RTE_LIBRTE_LATENCY_STATS + if (latencystats_enabled != 0 && + latencystats_lcore_id == rte_lcore_id()) + rte_latencystats_update(); +#endif + + } 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; + + if (strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") == 0 && !nb_rxq) + rte_exit(EXIT_FAILURE, "rxq are 0, cannot use rxonly fwd mode\n"); + + if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 && !nb_txq) + rte_exit(EXIT_FAILURE, "txq are 0, cannot use txonly fwd mode\n"); + + if ((strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") != 0 && + strcmp(cur_fwd_eng->fwd_mode_name, "txonly") != 0) && + (!nb_rxq || !nb_txq)) + rte_exit(EXIT_FAILURE, + "Either rxq or txq are 0, cannot use %s fwd mode\n", + cur_fwd_eng->fwd_mode_name); + + if (all_ports_started() == 0) { + printf("Not all ports were started\n"); + return; + } + if (test_done == 0) { + printf("Packet forwarding already started\n"); + return; + } + + + if(dcb_test) { + for (i = 0; i < nb_fwd_ports; i++) { + pt_id = fwd_ports_ids[i]; + port = &ports[pt_id]; + if (!port->dcb_flag) { + printf("In DCB mode, all forwarding ports must " + "be configured in this mode.\n"); + return; + } + } + if (nb_fwd_lcores == 1) { + printf("In DCB mode,the nb forwarding cores " + "should be larger than 1.\n"); + return; + } + } + test_done = 0; + + fwd_config_setup(); + + if(!no_flush_rx) + flush_fwd_rx_queues(); + + pkt_fwd_config_display(&cur_fwd_config); + rxtx_config_display(); + + fwd_stats_reset(); + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { + pt_id = fwd_ports_ids[i]; + port = &ports[pt_id]; + map_port_queue_stats_mapping_registers(pt_id, port); + } + 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]); + } + while (with_tx_first--) { + 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) +{ + port_fwd_end_t port_fwd_end; + lcoreid_t lc_id; + portid_t pt_id; + int i; + + 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); + } + } + + fwd_stats_display(); + + printf("\nDone.\n"); + test_done = 1; +} + +void +dev_set_link_up(portid_t pid) +{ + if (rte_eth_dev_set_link_up(pid) < 0) + printf("\nSet link up fail.\n"); +} + +void +dev_set_link_down(portid_t pid) +{ + if (rte_eth_dev_set_link_down(pid) < 0) + printf("\nSet link down fail.\n"); +} + +static int +all_ports_started(void) +{ + portid_t pi; + struct rte_port *port; + + RTE_ETH_FOREACH_DEV(pi) { + port = &ports[pi]; + /* Check if there is a port which is not started */ + if ((port->port_status != RTE_PORT_STARTED) && + (port->slave_flag == 0)) + return 0; + } + + /* No port is not started */ + return 1; +} + +int +port_is_stopped(portid_t port_id) +{ + struct rte_port *port = &ports[port_id]; + + if ((port->port_status != RTE_PORT_STOPPED) && + (port->slave_flag == 0)) + return 0; + return 1; +} + +int +all_ports_stopped(void) +{ + portid_t pi; + + RTE_ETH_FOREACH_DEV(pi) { + if (!port_is_stopped(pi)) + return 0; + } + + return 1; +} + +int +port_is_started(portid_t port_id) +{ + if (port_id_is_invalid(port_id, ENABLED_WARN)) + return 0; + + if (ports[port_id].port_status != RTE_PORT_STARTED) + return 0; + + return 1; +} + +/* Configure the Rx and Tx hairpin queues for the selected port. */ +static int +setup_hairpin_queues(portid_t pi) +{ + queueid_t qi; + struct rte_eth_hairpin_conf hairpin_conf = { + .peer_count = 1, + }; + int i; + int diag; + struct rte_port *port = &ports[pi]; + + for (qi = nb_txq, i = 0; qi < nb_hairpinq + nb_txq; qi++) { + hairpin_conf.peers[0].port = pi; + hairpin_conf.peers[0].queue = i + nb_rxq; + diag = rte_eth_tx_hairpin_queue_setup + (pi, qi, nb_txd, &hairpin_conf); + i++; + if (diag == 0) + continue; + + /* Fail to setup rx queue, return */ + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, + RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back " + "to stopped\n", pi); + printf("Fail to configure port %d hairpin " + "queues\n", pi); + /* try to reconfigure queues next time */ + port->need_reconfig_queues = 1; + return -1; + } + for (qi = nb_rxq, i = 0; qi < nb_hairpinq + nb_rxq; qi++) { + hairpin_conf.peers[0].port = pi; + hairpin_conf.peers[0].queue = i + nb_txq; + diag = rte_eth_rx_hairpin_queue_setup + (pi, qi, nb_rxd, &hairpin_conf); + i++; + if (diag == 0) + continue; + + /* Fail to setup rx queue, return */ + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, + RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back " + "to stopped\n", pi); + printf("Fail to configure port %d hairpin " + "queues\n", pi); + /* try to reconfigure queues next time */ + port->need_reconfig_queues = 1; + return -1; + } + return 0; +} + +int +start_port(portid_t pid) +{ + int diag, need_check_link_status = -1; + portid_t pi; + queueid_t qi; + struct rte_port *port; + struct rte_ether_addr mac_addr; + struct rte_eth_hairpin_cap cap; + + if (port_id_is_invalid(pid, ENABLED_WARN)) + return 0; + + if(dcb_config) + dcb_test = 1; + RTE_ETH_FOREACH_DEV(pi) { + if (pid != pi && pid != (portid_t)RTE_PORT_ALL) + continue; + + need_check_link_status = 0; + port = &ports[pi]; + if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED, + RTE_PORT_HANDLING) == 0) { + printf("Port %d is now not stopped\n", pi); + continue; + } + + if (port->need_reconfig > 0) { + port->need_reconfig = 0; + + if (flow_isolate_all) { + int ret = port_flow_isolate(pi, 1); + if (ret) { + printf("Failed to apply isolated" + " mode on port %d\n", pi); + return -1; + } + } + configure_rxtx_dump_callbacks(0); + printf("Configuring Port %d (socket %u)\n", pi, + port->socket_id); + if (nb_hairpinq > 0 && + rte_eth_dev_hairpin_capability_get(pi, &cap)) { + printf("Port %d doesn't support hairpin " + "queues\n", pi); + return -1; + } + /* configure port */ + diag = rte_eth_dev_configure(pi, nb_rxq + nb_hairpinq, + nb_txq + nb_hairpinq, + &(port->dev_conf)); + if (diag != 0) { + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back " + "to stopped\n", pi); + printf("Fail to configure port %d\n", pi); + /* try to reconfigure port next time */ + port->need_reconfig = 1; + return -1; + } + } + if (port->need_reconfig_queues > 0) { + port->need_reconfig_queues = 0; + /* setup tx queues */ + for (qi = 0; qi < nb_txq; qi++) { + if ((numa_support) && + (txring_numa[pi] != NUMA_NO_CONFIG)) + diag = rte_eth_tx_queue_setup(pi, qi, + port->nb_tx_desc[qi], + txring_numa[pi], + &(port->tx_conf[qi])); + else + diag = rte_eth_tx_queue_setup(pi, qi, + port->nb_tx_desc[qi], + port->socket_id, + &(port->tx_conf[qi])); + + if (diag == 0) + continue; + + /* Fail to setup tx queue, return */ + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, + RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back " + "to stopped\n", pi); + printf("Fail to configure port %d tx queues\n", + pi); + /* try to reconfigure queues next time */ + port->need_reconfig_queues = 1; + return -1; + } + for (qi = 0; qi < nb_rxq; qi++) { + /* setup rx queues */ + if ((numa_support) && + (rxring_numa[pi] != NUMA_NO_CONFIG)) { + struct rte_mempool * mp = + mbuf_pool_find(rxring_numa[pi]); + if (mp == NULL) { + printf("Failed to setup RX queue:" + "No mempool allocation" + " on the socket %d\n", + rxring_numa[pi]); + return -1; + } + + diag = rte_eth_rx_queue_setup(pi, qi, + port->nb_rx_desc[qi], + rxring_numa[pi], + &(port->rx_conf[qi]), + mp); + } else { + struct rte_mempool *mp = + mbuf_pool_find(port->socket_id); + if (mp == NULL) { + printf("Failed to setup RX queue:" + "No mempool allocation" + " on the socket %d\n", + port->socket_id); + return -1; + } + diag = rte_eth_rx_queue_setup(pi, qi, + port->nb_rx_desc[qi], + port->socket_id, + &(port->rx_conf[qi]), + mp); + } + if (diag == 0) + continue; + + /* Fail to setup rx queue, return */ + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, + RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back " + "to stopped\n", pi); + printf("Fail to configure port %d rx queues\n", + pi); + /* try to reconfigure queues next time */ + port->need_reconfig_queues = 1; + return -1; + } + /* setup hairpin queues */ + if (setup_hairpin_queues(pi) != 0) + return -1; + } + configure_rxtx_dump_callbacks(verbose_level); + if (clear_ptypes) { + diag = rte_eth_dev_set_ptypes(pi, RTE_PTYPE_UNKNOWN, + NULL, 0); + if (diag < 0) + printf( + "Port %d: Failed to disable Ptype parsing\n", + pi); + } + + /* start port */ + if (rte_eth_dev_start(pi) < 0) { + printf("Fail to start port %d\n", pi); + + /* Fail to setup rx queue, return */ + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set back to " + "stopped\n", pi); + continue; + } + + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0) + printf("Port %d can not be set into started\n", pi); + + if (eth_macaddr_get_print_err(pi, &mac_addr) == 0) + printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi, + mac_addr.addr_bytes[0], mac_addr.addr_bytes[1], + mac_addr.addr_bytes[2], mac_addr.addr_bytes[3], + mac_addr.addr_bytes[4], mac_addr.addr_bytes[5]); + + /* at least one port started, need checking link status */ + need_check_link_status = 1; + } + + if (need_check_link_status == 1 && !no_link_check) + check_all_ports_link_status(RTE_PORT_ALL); + else if (need_check_link_status == 0) + printf("Please stop the ports first\n"); + + printf("Done\n"); + return 0; +} + +void +stop_port(portid_t pid) +{ + portid_t pi; + struct rte_port *port; + int need_check_link_status = 0; + + if (dcb_test) { + dcb_test = 0; + dcb_config = 0; + } + + if (port_id_is_invalid(pid, ENABLED_WARN)) + return; + + printf("Stopping ports...\n"); + + RTE_ETH_FOREACH_DEV(pi) { + if (pid != pi && pid != (portid_t)RTE_PORT_ALL) + continue; + + if (port_is_forwarding(pi) != 0 && test_done == 0) { + printf("Please remove port %d from forwarding configuration.\n", pi); + continue; + } + + if (port_is_bonding_slave(pi)) { + printf("Please remove port %d from bonded device.\n", pi); + continue; + } + + port = &ports[pi]; + if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED, + RTE_PORT_HANDLING) == 0) + continue; + + rte_eth_dev_stop(pi); + + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) + printf("Port %d can not be set into stopped\n", pi); + need_check_link_status = 1; + } + if (need_check_link_status && !no_link_check) + check_all_ports_link_status(RTE_PORT_ALL); + + printf("Done\n"); +} + +static void +remove_invalid_ports_in(portid_t *array, portid_t *total) +{ + portid_t i; + portid_t new_total = 0; + + for (i = 0; i < *total; i++) + if (!port_id_is_invalid(array[i], DISABLED_WARN)) { + array[new_total] = array[i]; + new_total++; + } + *total = new_total; +} + +static void +remove_invalid_ports(void) +{ + remove_invalid_ports_in(ports_ids, &nb_ports); + remove_invalid_ports_in(fwd_ports_ids, &nb_fwd_ports); + nb_cfg_ports = nb_fwd_ports; +} + +void +close_port(portid_t pid) +{ + portid_t pi; + struct rte_port *port; + + if (port_id_is_invalid(pid, ENABLED_WARN)) + return; + + printf("Closing ports...\n"); + + RTE_ETH_FOREACH_DEV(pi) { + if (pid != pi && pid != (portid_t)RTE_PORT_ALL) + continue; + + if (port_is_forwarding(pi) != 0 && test_done == 0) { + printf("Please remove port %d from forwarding configuration.\n", pi); + continue; + } + + if (port_is_bonding_slave(pi)) { + printf("Please remove port %d from bonded device.\n", pi); + continue; + } + + port = &ports[pi]; + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) { + printf("Port %d is already closed\n", pi); + continue; + } + + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) { + printf("Port %d is now not stopped\n", pi); + continue; + } + + if (port->flow_list) + port_flow_flush(pi); + rte_eth_dev_close(pi); + + remove_invalid_ports(); + + if (rte_atomic16_cmpset(&(port->port_status), + RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0) + printf("Port %d cannot be set to closed\n", pi); + } + + printf("Done\n"); +} + +void +reset_port(portid_t pid) +{ + int diag; + portid_t pi; + struct rte_port *port; + + if (port_id_is_invalid(pid, ENABLED_WARN)) + return; + + if ((pid == (portid_t)RTE_PORT_ALL && !all_ports_stopped()) || + (pid != (portid_t)RTE_PORT_ALL && !port_is_stopped(pid))) { + printf("Can not reset port(s), please stop port(s) first.\n"); + return; + } + + printf("Resetting ports...\n"); + + RTE_ETH_FOREACH_DEV(pi) { + if (pid != pi && pid != (portid_t)RTE_PORT_ALL) + continue; + + if (port_is_forwarding(pi) != 0 && test_done == 0) { + printf("Please remove port %d from forwarding " + "configuration.\n", pi); + continue; + } + + if (port_is_bonding_slave(pi)) { + printf("Please remove port %d from bonded device.\n", + pi); + continue; + } + + diag = rte_eth_dev_reset(pi); + if (diag == 0) { + port = &ports[pi]; + port->need_reconfig = 1; + port->need_reconfig_queues = 1; + } else { + printf("Failed to reset port %d. diag=%d\n", pi, diag); + } + } + + printf("Done\n"); +} + +void +attach_port(char *identifier) +{ + portid_t pi; + struct rte_dev_iterator iterator; + + printf("Attaching a new port...\n"); + + if (identifier == NULL) { + printf("Invalid parameters are specified\n"); + return; + } + + if (rte_dev_probe(identifier) < 0) { + TESTPMD_LOG(ERR, "Failed to attach port %s\n", identifier); + return; + } + + /* first attach mode: event */ + if (setup_on_probe_event) { + /* new ports are detected on RTE_ETH_EVENT_NEW event */ + for (pi = 0; pi < RTE_MAX_ETHPORTS; pi++) + if (ports[pi].port_status == RTE_PORT_HANDLING && + ports[pi].need_setup != 0) + setup_attached_port(pi); + return; + } + + /* second attach mode: iterator */ + RTE_ETH_FOREACH_MATCHING_DEV(pi, identifier, &iterator) { + /* setup ports matching the devargs used for probing */ + if (port_is_forwarding(pi)) + continue; /* port was already attached before */ + setup_attached_port(pi); + } +} + +static void +setup_attached_port(portid_t pi) +{ + unsigned int socket_id; + int ret; + + socket_id = (unsigned)rte_eth_dev_socket_id(pi); + /* if socket_id is invalid, set to the first available socket. */ + if (check_socket_id(socket_id) < 0) + socket_id = socket_ids[0]; + reconfig(pi, socket_id); + ret = rte_eth_promiscuous_enable(pi); + if (ret != 0) + printf("Error during enabling promiscuous mode for port %u: %s - ignore\n", + pi, rte_strerror(-ret)); + + ports_ids[nb_ports++] = pi; + fwd_ports_ids[nb_fwd_ports++] = pi; + nb_cfg_ports = nb_fwd_ports; + ports[pi].need_setup = 0; + ports[pi].port_status = RTE_PORT_STOPPED; + + printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports); + printf("Done\n"); +} + +static void +detach_device(struct rte_device *dev) +{ + portid_t sibling; + + if (dev == NULL) { + printf("Device already removed\n"); + return; + } + + printf("Removing a device...\n"); + + if (rte_dev_remove(dev) < 0) { + TESTPMD_LOG(ERR, "Failed to detach device %s\n", dev->name); + return; + } + RTE_ETH_FOREACH_DEV_OF(sibling, dev) { + /* reset mapping between old ports and removed device */ + rte_eth_devices[sibling].device = NULL; + if (ports[sibling].port_status != RTE_PORT_CLOSED) { + /* sibling ports are forced to be closed */ + ports[sibling].port_status = RTE_PORT_CLOSED; + printf("Port %u is closed\n", sibling); + } + } + + remove_invalid_ports(); + + printf("Device is detached\n"); + printf("Now total ports is %d\n", nb_ports); + printf("Done\n"); + return; +} + +void +detach_port_device(portid_t port_id) +{ + if (port_id_is_invalid(port_id, ENABLED_WARN)) + return; + + if (ports[port_id].port_status != RTE_PORT_CLOSED) { + if (ports[port_id].port_status != RTE_PORT_STOPPED) { + printf("Port not stopped\n"); + return; + } + printf("Port was not closed\n"); + if (ports[port_id].flow_list) + port_flow_flush(port_id); + } + + detach_device(rte_eth_devices[port_id].device); +} + +void +detach_devargs(char *identifier) +{ + struct rte_dev_iterator iterator; + struct rte_devargs da; + portid_t port_id; + + printf("Removing a device...\n"); + + memset(&da, 0, sizeof(da)); + if (rte_devargs_parsef(&da, "%s", identifier)) { + printf("cannot parse identifier\n"); + if (da.args) + free(da.args); + return; + } + + RTE_ETH_FOREACH_MATCHING_DEV(port_id, identifier, &iterator) { + if (ports[port_id].port_status != RTE_PORT_CLOSED) { + if (ports[port_id].port_status != RTE_PORT_STOPPED) { + printf("Port %u not stopped\n", port_id); + rte_eth_iterator_cleanup(&iterator); + return; + } + + /* sibling ports are forced to be closed */ + if (ports[port_id].flow_list) + port_flow_flush(port_id); + ports[port_id].port_status = RTE_PORT_CLOSED; + printf("Port %u is now closed\n", port_id); + } + } + + if (rte_eal_hotplug_remove(da.bus->name, da.name) != 0) { + TESTPMD_LOG(ERR, "Failed to detach device %s(%s)\n", + da.name, da.bus->name); + return; + } + + remove_invalid_ports(); + + printf("Device %s is detached\n", identifier); + printf("Now total ports is %d\n", nb_ports); + printf("Done\n"); +} + +void +pmd_test_exit(void) +{ + portid_t pt_id; + int ret; + int i; + + if (test_done == 0) + stop_packet_forwarding(); + + for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) { + if (mempools[i]) { + if (mp_alloc_type == MP_ALLOC_ANON) + rte_mempool_mem_iter(mempools[i], dma_unmap_cb, + NULL); + } + } + if (ports != NULL) { + no_link_check = 1; + RTE_ETH_FOREACH_DEV(pt_id) { + printf("\nStopping port %d...\n", pt_id); + fflush(stdout); + stop_port(pt_id); + } + RTE_ETH_FOREACH_DEV(pt_id) { + printf("\nShutting down port %d...\n", pt_id); + fflush(stdout); + close_port(pt_id); + } + } + + if (hot_plug) { + ret = rte_dev_event_monitor_stop(); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to stop device event monitor."); + return; + } + + ret = rte_dev_event_callback_unregister(NULL, + dev_event_callback, NULL); + if (ret < 0) { + RTE_LOG(ERR, EAL, + "fail to unregister device event callback.\n"); + return; + } + + ret = rte_dev_hotplug_handle_disable(); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to disable hotplug handling.\n"); + return; + } + } + for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) { + if (mempools[i]) + rte_mempool_free(mempools[i]); + } + + printf("\nBye...\n"); +} + +typedef void (*cmd_func_t)(void); +struct pmd_test_command { + const char *cmd_name; + cmd_func_t cmd_func; +}; + +/* Check the link status of all ports in up to 9s, and print them finally */ +static void +check_all_ports_link_status(uint32_t port_mask) +{ +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ + portid_t portid; + uint8_t count, all_ports_up, print_flag = 0; + struct rte_eth_link link; + int ret; + + printf("Checking link statuses...\n"); + fflush(stdout); + for (count = 0; count <= MAX_CHECK_TIME; count++) { + all_ports_up = 1; + RTE_ETH_FOREACH_DEV(portid) { + if ((port_mask & (1 << portid)) == 0) + continue; + memset(&link, 0, sizeof(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")); + else + printf("Port %d Link Down\n", portid); + continue; + } + /* clear all_ports_up flag if any link down */ + if (link.link_status == ETH_LINK_DOWN) { + all_ports_up = 0; + break; + } + } + /* after finally printing all link status, get out */ + if (print_flag == 1) + break; + + if (all_ports_up == 0) { + fflush(stdout); + rte_delay_ms(CHECK_INTERVAL); + } + + /* set the print_flag if all ports up or timeout */ + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { + print_flag = 1; + } + + if (lsc_interrupt) + break; + } +} + +/* + * This callback is for remove a port for a device. It has limitation because + * it is not for multiple port removal for a device. + * TODO: the device detach invoke will plan to be removed from user side to + * eal. And convert all PMDs to free port resources on ether device closing. + */ +static void +rmv_port_callback(void *arg) +{ + int need_to_start = 0; + int org_no_link_check = no_link_check; + portid_t port_id = (intptr_t)arg; + struct rte_device *dev; + + RTE_ETH_VALID_PORTID_OR_RET(port_id); + + if (!test_done && port_is_forwarding(port_id)) { + need_to_start = 1; + stop_packet_forwarding(); + } + no_link_check = 1; + stop_port(port_id); + no_link_check = org_no_link_check; + + /* Save rte_device pointer before closing ethdev port */ + dev = rte_eth_devices[port_id].device; + close_port(port_id); + detach_device(dev); /* might be already removed or have more ports */ + + if (need_to_start) + start_packet_forwarding(0); +} + +/* This function is used by the interrupt thread */ +static int +eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param, + void *ret_param) +{ + RTE_SET_USED(param); + RTE_SET_USED(ret_param); + + if (type >= RTE_ETH_EVENT_MAX) { + fprintf(stderr, "\nPort %" PRIu16 ": %s called upon invalid event %d\n", + port_id, __func__, type); + fflush(stderr); + } else if (event_print_mask & (UINT32_C(1) << type)) { + printf("\nPort %" PRIu16 ": %s event\n", port_id, + eth_event_desc[type]); + fflush(stdout); + } + + switch (type) { + case RTE_ETH_EVENT_NEW: + ports[port_id].need_setup = 1; + ports[port_id].port_status = RTE_PORT_HANDLING; + break; + case RTE_ETH_EVENT_INTR_RMV: + if (port_id_is_invalid(port_id, DISABLED_WARN)) + break; + if (rte_eal_alarm_set(100000, + rmv_port_callback, (void *)(intptr_t)port_id)) + fprintf(stderr, "Could not set up deferred device removal\n"); + break; + default: + break; + } + return 0; +} + +static int +register_eth_event_callback(void) +{ + int ret; + enum rte_eth_event_type event; + + for (event = RTE_ETH_EVENT_UNKNOWN; + event < RTE_ETH_EVENT_MAX; event++) { + ret = rte_eth_dev_callback_register(RTE_ETH_ALL, + event, + eth_event_callback, + NULL); + if (ret != 0) { + TESTPMD_LOG(ERR, "Failed to register callback for " + "%s event\n", eth_event_desc[event]); + return -1; + } + } + + return 0; +} + +/* This function is used by the interrupt thread */ +static void +dev_event_callback(const char *device_name, enum rte_dev_event_type type, + __rte_unused void *arg) +{ + uint16_t port_id; + int ret; + + if (type >= RTE_DEV_EVENT_MAX) { + fprintf(stderr, "%s called upon invalid event %d\n", + __func__, type); + fflush(stderr); + } + + switch (type) { + case RTE_DEV_EVENT_REMOVE: + RTE_LOG(DEBUG, EAL, "The device: %s has been removed!\n", + device_name); + ret = rte_eth_dev_get_port_by_name(device_name, &port_id); + if (ret) { + RTE_LOG(ERR, EAL, "can not get port by device %s!\n", + device_name); + return; + } + /* + * Because the user's callback is invoked in eal interrupt + * callback, the interrupt callback need to be finished before + * it can be unregistered when detaching device. So finish + * callback soon and use a deferred removal to detach device + * is need. It is a workaround, once the device detaching be + * moved into the eal in the future, the deferred removal could + * be deleted. + */ + if (rte_eal_alarm_set(100000, + rmv_port_callback, (void *)(intptr_t)port_id)) + RTE_LOG(ERR, EAL, + "Could not set up deferred device removal\n"); + break; + case RTE_DEV_EVENT_ADD: + RTE_LOG(ERR, EAL, "The device: %s has been added!\n", + device_name); + /* TODO: After finish kernel driver binding, + * begin to attach port. + */ + break; + default: + break; + } +} + +static int +set_tx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) +{ + uint16_t i; + int diag; + uint8_t mapping_found = 0; + + for (i = 0; i < nb_tx_queue_stats_mappings; i++) { + if ((tx_queue_stats_mappings[i].port_id == port_id) && + (tx_queue_stats_mappings[i].queue_id < nb_txq )) { + diag = rte_eth_dev_set_tx_queue_stats_mapping(port_id, + tx_queue_stats_mappings[i].queue_id, + tx_queue_stats_mappings[i].stats_counter_id); + if (diag != 0) + return diag; + mapping_found = 1; + } + } + if (mapping_found) + port->tx_queue_stats_mapping_enabled = 1; + return 0; +} + +static int +set_rx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) +{ + uint16_t i; + int diag; + uint8_t mapping_found = 0; + + for (i = 0; i < nb_rx_queue_stats_mappings; i++) { + if ((rx_queue_stats_mappings[i].port_id == port_id) && + (rx_queue_stats_mappings[i].queue_id < nb_rxq )) { + diag = rte_eth_dev_set_rx_queue_stats_mapping(port_id, + rx_queue_stats_mappings[i].queue_id, + rx_queue_stats_mappings[i].stats_counter_id); + if (diag != 0) + return diag; + mapping_found = 1; + } + } + if (mapping_found) + port->rx_queue_stats_mapping_enabled = 1; + return 0; +} + +static void +map_port_queue_stats_mapping_registers(portid_t pi, struct rte_port *port) +{ + int diag = 0; + + diag = set_tx_queue_stats_mapping_registers(pi, port); + if (diag != 0) { + if (diag == -ENOTSUP) { + port->tx_queue_stats_mapping_enabled = 0; + printf("TX queue stats mapping not supported port id=%d\n", pi); + } + else + rte_exit(EXIT_FAILURE, + "set_tx_queue_stats_mapping_registers " + "failed for port id=%d diag=%d\n", + pi, diag); + } + + diag = set_rx_queue_stats_mapping_registers(pi, port); + if (diag != 0) { + if (diag == -ENOTSUP) { + port->rx_queue_stats_mapping_enabled = 0; + printf("RX queue stats mapping not supported port id=%d\n", pi); + } + else + rte_exit(EXIT_FAILURE, + "set_rx_queue_stats_mapping_registers " + "failed for port id=%d diag=%d\n", + pi, diag); + } +} + +static void +rxtx_port_config(struct rte_port *port) +{ + uint16_t qid; + uint64_t offloads; + + for (qid = 0; qid < nb_rxq; qid++) { + offloads = port->rx_conf[qid].offloads; + port->rx_conf[qid] = port->dev_info.default_rxconf; + if (offloads != 0) + port->rx_conf[qid].offloads = offloads; + + /* Check if any Rx parameters have been passed */ + if (rx_pthresh != RTE_PMD_PARAM_UNSET) + port->rx_conf[qid].rx_thresh.pthresh = rx_pthresh; + + if (rx_hthresh != RTE_PMD_PARAM_UNSET) + port->rx_conf[qid].rx_thresh.hthresh = rx_hthresh; + + if (rx_wthresh != RTE_PMD_PARAM_UNSET) + port->rx_conf[qid].rx_thresh.wthresh = rx_wthresh; + + if (rx_free_thresh != RTE_PMD_PARAM_UNSET) + port->rx_conf[qid].rx_free_thresh = rx_free_thresh; + + if (rx_drop_en != RTE_PMD_PARAM_UNSET) + port->rx_conf[qid].rx_drop_en = rx_drop_en; + + port->nb_rx_desc[qid] = nb_rxd; + } + + for (qid = 0; qid < nb_txq; qid++) { + offloads = port->tx_conf[qid].offloads; + port->tx_conf[qid] = port->dev_info.default_txconf; + if (offloads != 0) + port->tx_conf[qid].offloads = offloads; + + /* Check if any Tx parameters have been passed */ + if (tx_pthresh != RTE_PMD_PARAM_UNSET) + port->tx_conf[qid].tx_thresh.pthresh = tx_pthresh; + + if (tx_hthresh != RTE_PMD_PARAM_UNSET) + port->tx_conf[qid].tx_thresh.hthresh = tx_hthresh; + + if (tx_wthresh != RTE_PMD_PARAM_UNSET) + port->tx_conf[qid].tx_thresh.wthresh = tx_wthresh; + + if (tx_rs_thresh != RTE_PMD_PARAM_UNSET) + port->tx_conf[qid].tx_rs_thresh = tx_rs_thresh; + + if (tx_free_thresh != RTE_PMD_PARAM_UNSET) + port->tx_conf[qid].tx_free_thresh = tx_free_thresh; + + port->nb_tx_desc[qid] = nb_txd; + } +} + +void +init_port_config(void) +{ + portid_t pid; + struct rte_port *port; + int ret; + + RTE_ETH_FOREACH_DEV(pid) { + port = &ports[pid]; + port->dev_conf.fdir_conf = fdir_conf; + + ret = eth_dev_info_get_print_err(pid, &port->dev_info); + if (ret != 0) + return; + + if (nb_rxq > 1) { + port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; + port->dev_conf.rx_adv_conf.rss_conf.rss_hf = + rss_hf & port->dev_info.flow_type_rss_offloads; + } else { + port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; + port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 0; + } + + if (port->dcb_flag == 0) { + if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0) + port->dev_conf.rxmode.mq_mode = + (enum rte_eth_rx_mq_mode) + (rx_mq_mode & ETH_MQ_RX_RSS); + else + port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; + } + + rxtx_port_config(port); + + ret = eth_macaddr_get_print_err(pid, &port->eth_addr); + if (ret != 0) + return; + + map_port_queue_stats_mapping_registers(pid, port); +#if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS + rte_pmd_ixgbe_bypass_init(pid); +#endif + + if (lsc_interrupt && + (rte_eth_devices[pid].data->dev_flags & + RTE_ETH_DEV_INTR_LSC)) + port->dev_conf.intr_conf.lsc = 1; + if (rmv_interrupt && + (rte_eth_devices[pid].data->dev_flags & + RTE_ETH_DEV_INTR_RMV)) + port->dev_conf.intr_conf.rmv = 1; + } +} + +void set_port_slave_flag(portid_t slave_pid) +{ + struct rte_port *port; + + port = &ports[slave_pid]; + port->slave_flag = 1; +} + +void clear_port_slave_flag(portid_t slave_pid) +{ + struct rte_port *port; + + port = &ports[slave_pid]; + port->slave_flag = 0; +} + +uint8_t port_is_bonding_slave(portid_t slave_pid) +{ + struct rte_port *port; + + port = &ports[slave_pid]; + if ((rte_eth_devices[slave_pid].data->dev_flags & + RTE_ETH_DEV_BONDED_SLAVE) || (port->slave_flag == 1)) + return 1; + return 0; +} + +const uint16_t vlan_tags[] = { + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31 +}; + +static int +get_eth_dcb_conf(portid_t pid, struct rte_eth_conf *eth_conf, + enum dcb_mode_enable dcb_mode, + enum rte_eth_nb_tcs num_tcs, + uint8_t pfc_en) +{ + uint8_t i; + int32_t rc; + struct rte_eth_rss_conf rss_conf; + + /* + * Builds up the correct configuration for dcb+vt based on the vlan tags array + * given above, and the number of traffic classes available for use. + */ + if (dcb_mode == DCB_VT_ENABLED) { + struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf = + ð_conf->rx_adv_conf.vmdq_dcb_conf; + struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf = + ð_conf->tx_adv_conf.vmdq_dcb_tx_conf; + + /* VMDQ+DCB RX and TX configurations */ + vmdq_rx_conf->enable_default_pool = 0; + vmdq_rx_conf->default_pool = 0; + vmdq_rx_conf->nb_queue_pools = + (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); + vmdq_tx_conf->nb_queue_pools = + (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); + + vmdq_rx_conf->nb_pool_maps = vmdq_rx_conf->nb_queue_pools; + for (i = 0; i < vmdq_rx_conf->nb_pool_maps; i++) { + vmdq_rx_conf->pool_map[i].vlan_id = vlan_tags[i]; + vmdq_rx_conf->pool_map[i].pools = + 1 << (i % vmdq_rx_conf->nb_queue_pools); + } + for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { + vmdq_rx_conf->dcb_tc[i] = i % num_tcs; + vmdq_tx_conf->dcb_tc[i] = i % num_tcs; + } + + /* set DCB mode of RX and TX of multiple queues */ + eth_conf->rxmode.mq_mode = + (enum rte_eth_rx_mq_mode) + (rx_mq_mode & ETH_MQ_RX_VMDQ_DCB); + eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB; + } else { + struct rte_eth_dcb_rx_conf *rx_conf = + ð_conf->rx_adv_conf.dcb_rx_conf; + struct rte_eth_dcb_tx_conf *tx_conf = + ð_conf->tx_adv_conf.dcb_tx_conf; + + memset(&rss_conf, 0, sizeof(struct rte_eth_rss_conf)); + + rc = rte_eth_dev_rss_hash_conf_get(pid, &rss_conf); + if (rc != 0) + return rc; + + rx_conf->nb_tcs = num_tcs; + tx_conf->nb_tcs = num_tcs; + + for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { + rx_conf->dcb_tc[i] = i % num_tcs; + tx_conf->dcb_tc[i] = i % num_tcs; + } + + eth_conf->rxmode.mq_mode = + (enum rte_eth_rx_mq_mode) + (rx_mq_mode & ETH_MQ_RX_DCB_RSS); + eth_conf->rx_adv_conf.rss_conf = rss_conf; + eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB; + } + + if (pfc_en) + eth_conf->dcb_capability_en = + ETH_DCB_PG_SUPPORT | ETH_DCB_PFC_SUPPORT; + else + eth_conf->dcb_capability_en = ETH_DCB_PG_SUPPORT; + + return 0; +} + +int +init_port_dcb_config(portid_t pid, + enum dcb_mode_enable dcb_mode, + enum rte_eth_nb_tcs num_tcs, + uint8_t pfc_en) +{ + struct rte_eth_conf port_conf; + struct rte_port *rte_port; + int retval; + uint16_t i; + + rte_port = &ports[pid]; + + memset(&port_conf, 0, sizeof(struct rte_eth_conf)); + /* Enter DCB configuration status */ + dcb_config = 1; + + port_conf.rxmode = rte_port->dev_conf.rxmode; + port_conf.txmode = rte_port->dev_conf.txmode; + + /*set configuration of DCB in vt mode and DCB in non-vt mode*/ + retval = get_eth_dcb_conf(pid, &port_conf, dcb_mode, num_tcs, pfc_en); + if (retval < 0) + return retval; + port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; + + /* re-configure the device . */ + retval = rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf); + if (retval < 0) + return retval; + + retval = eth_dev_info_get_print_err(pid, &rte_port->dev_info); + if (retval != 0) + return retval; + + /* If dev_info.vmdq_pool_base is greater than 0, + * the queue id of vmdq pools is started after pf queues. + */ + if (dcb_mode == DCB_VT_ENABLED && + rte_port->dev_info.vmdq_pool_base > 0) { + printf("VMDQ_DCB multi-queue mode is nonsensical" + " for port %d.", pid); + return -1; + } + + /* Assume the ports in testpmd have the same dcb capability + * and has the same number of rxq and txq in dcb mode + */ + if (dcb_mode == DCB_VT_ENABLED) { + if (rte_port->dev_info.max_vfs > 0) { + nb_rxq = rte_port->dev_info.nb_rx_queues; + nb_txq = rte_port->dev_info.nb_tx_queues; + } else { + nb_rxq = rte_port->dev_info.max_rx_queues; + nb_txq = rte_port->dev_info.max_tx_queues; + } + } else { + /*if vt is disabled, use all pf queues */ + if (rte_port->dev_info.vmdq_pool_base == 0) { + nb_rxq = rte_port->dev_info.max_rx_queues; + nb_txq = rte_port->dev_info.max_tx_queues; + } else { + nb_rxq = (queueid_t)num_tcs; + nb_txq = (queueid_t)num_tcs; + + } + } + rx_free_thresh = 64; + + memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf)); + + rxtx_port_config(rte_port); + /* VLAN filter */ + rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; + for (i = 0; i < RTE_DIM(vlan_tags); i++) + rx_vft_set(pid, vlan_tags[i], 1); + + retval = eth_macaddr_get_print_err(pid, &rte_port->eth_addr); + if (retval != 0) + return retval; + + map_port_queue_stats_mapping_registers(pid, rte_port); + + rte_port->dcb_flag = 1; + + return 0; +} + +static void +init_port(void) +{ + /* Configuration of Ethernet ports. */ + ports = rte_zmalloc("testpmd: ports", + sizeof(struct rte_port) * RTE_MAX_ETHPORTS, + RTE_CACHE_LINE_SIZE); + if (ports == NULL) { + rte_exit(EXIT_FAILURE, + "rte_zmalloc(%d struct rte_port) failed\n", + RTE_MAX_ETHPORTS); + } + + /* Initialize ports NUMA structures */ + memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); + memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); + memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); +} + +static void +force_quit(void) +{ + pmd_test_exit(); + prompt_exit(); +} + +static void +print_stats(void) +{ + uint8_t i; + const char clr[] = { 27, '[', '2', 'J', '\0' }; + const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' }; + + /* Clear screen and move to top left */ + printf("%s%s", clr, top_left); + + printf("\nPort statistics ===================================="); + for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) + nic_stats_display(fwd_ports_ids[i]); + + fflush(stdout); +} + +static void +signal_handler(int signum) +{ + if (signum == SIGINT || signum == SIGTERM) { + printf("\nSignal %d received, preparing to exit...\n", + signum); +#ifdef RTE_LIBRTE_PDUMP + /* uninitialize packet capture framework */ + rte_pdump_uninit(); +#endif +#ifdef RTE_LIBRTE_LATENCY_STATS + if (latencystats_enabled != 0) + rte_latencystats_uninit(); +#endif + force_quit(); + /* Set flag to indicate the force termination. */ + f_quit = 1; + /* exit with the expected status */ + signal(signum, SIG_DFL); + kill(getpid(), signum); + } +} + +int +main(int argc, char** argv) +{ + int diag; + portid_t port_id; + uint16_t count; + int ret; + + signal(SIGINT, signal_handler); + signal(SIGTERM, signal_handler); + + testpmd_logtype = rte_log_register("testpmd"); + if (testpmd_logtype < 0) + rte_exit(EXIT_FAILURE, "Cannot register log type"); + rte_log_set_level(testpmd_logtype, RTE_LOG_DEBUG); + + diag = rte_eal_init(argc, argv); + if (diag < 0) + rte_exit(EXIT_FAILURE, "Cannot init EAL: %s\n", + rte_strerror(rte_errno)); + + if (rte_eal_process_type() == RTE_PROC_SECONDARY) + rte_exit(EXIT_FAILURE, + "Secondary process type not supported.\n"); + + ret = register_eth_event_callback(); + if (ret != 0) + rte_exit(EXIT_FAILURE, "Cannot register for ethdev events"); + +#ifdef RTE_LIBRTE_PDUMP + /* initialize packet capture framework */ + rte_pdump_init(); +#endif + + count = 0; + RTE_ETH_FOREACH_DEV(port_id) { + ports_ids[count] = port_id; + count++; + } + nb_ports = (portid_t) count; + if (nb_ports == 0) + TESTPMD_LOG(WARNING, "No probed ethernet devices\n"); + + /* allocate port structures, and init them */ + init_port(); + + set_def_fwd_config(); + if (nb_lcores == 0) + rte_exit(EXIT_FAILURE, "No cores defined for forwarding\n" + "Check the core mask argument\n"); + + /* Bitrate/latency stats disabled by default */ +#ifdef RTE_LIBRTE_BITRATE + bitrate_enabled = 0; +#endif +#ifdef RTE_LIBRTE_LATENCY_STATS + latencystats_enabled = 0; +#endif + + /* on FreeBSD, mlockall() is disabled by default */ +#ifdef RTE_EXEC_ENV_FREEBSD + do_mlockall = 0; +#else + do_mlockall = 1; +#endif + + argc -= diag; + argv += diag; + if (argc > 1) + launch_args_parse(argc, argv); + + if (do_mlockall && mlockall(MCL_CURRENT | MCL_FUTURE)) { + TESTPMD_LOG(NOTICE, "mlockall() failed with error \"%s\"\n", + strerror(errno)); + } + + if (tx_first && interactive) + rte_exit(EXIT_FAILURE, "--tx-first cannot be used on " + "interactive mode.\n"); + + if (tx_first && lsc_interrupt) { + printf("Warning: lsc_interrupt needs to be off when " + " using tx_first. Disabling.\n"); + lsc_interrupt = 0; + } + + if (!nb_rxq && !nb_txq) + printf("Warning: Either rx or tx queues should be non-zero\n"); + + if (nb_rxq > 1 && 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(); + + if (hot_plug) { + ret = rte_dev_hotplug_handle_enable(); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to enable hotplug handling."); + return -1; + } + + ret = rte_dev_event_monitor_start(); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to start device event monitoring."); + return -1; + } + + ret = rte_dev_event_callback_register(NULL, + dev_event_callback, NULL); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to register device event callback\n"); + return -1; + } + } + + if (!no_device_start && start_port(RTE_PORT_ALL) != 0) + rte_exit(EXIT_FAILURE, "Start ports failed\n"); + + /* set all ports to promiscuous mode by default */ + RTE_ETH_FOREACH_DEV(port_id) { + ret = rte_eth_promiscuous_enable(port_id); + if (ret != 0) + printf("Error during enabling promiscuous mode for port %u: %s - ignore\n", + port_id, rte_strerror(-ret)); + } + + /* Init metrics library */ + rte_metrics_init(rte_socket_id()); + +#ifdef RTE_LIBRTE_LATENCY_STATS + if (latencystats_enabled != 0) { + int ret = rte_latencystats_init(1, NULL); + if (ret) + printf("Warning: latencystats init()" + " returned error %d\n", ret); + printf("Latencystats running on lcore %d\n", + latencystats_lcore_id); + } +#endif + + /* Setup bitrate stats */ +#ifdef RTE_LIBRTE_BITRATE + if (bitrate_enabled != 0) { + bitrate_data = rte_stats_bitrate_create(); + if (bitrate_data == NULL) + rte_exit(EXIT_FAILURE, + "Could not allocate bitrate data.\n"); + rte_stats_bitrate_reg(bitrate_data); + } +#endif + +#ifdef RTE_LIBRTE_CMDLINE + if (strlen(cmdline_filename) != 0) + cmdline_read_from_file(cmdline_filename); + + if (interactive == 1) { + if (auto_start) { + printf("Start automatic packet forwarding\n"); + start_packet_forwarding(0); + } + prompt(); + pmd_test_exit(); + } else +#endif + { + char c; + int rc; + + f_quit = 0; + + printf("No commandline core given, start packet forwarding\n"); + start_packet_forwarding(tx_first); + if (stats_period != 0) { + uint64_t prev_time = 0, cur_time, diff_time = 0; + uint64_t timer_period; + + /* Convert to number of cycles */ + timer_period = stats_period * rte_get_timer_hz(); + + while (f_quit == 0) { + cur_time = rte_get_timer_cycles(); + diff_time += cur_time - prev_time; + + if (diff_time >= timer_period) { + print_stats(); + /* Reset the timer */ + diff_time = 0; + } + /* Sleep to avoid unnecessary checks */ + prev_time = cur_time; + sleep(1); + } + } + + printf("Press enter to exit\n"); + rc = read(0, &c, 1); + pmd_test_exit(); + if (rc < 0) + return 1; + } + + ret = rte_eal_cleanup(); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "EAL cleanup failed: %s\n", strerror(-ret)); + + return EXIT_SUCCESS; +} |