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testpmd.c
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testpmd.c
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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <sys/types.h>
#include <errno.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <stdint.h>
#include <unistd.h>
#include <inttypes.h>
#include <rte_common.h>
#include <rte_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_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_dev.h>
#include <rte_string_fns.h>
#ifdef RTE_LIBRTE_PMD_XENVIRT
#include <rte_eth_xenvirt.h>
#endif
#include "testpmd.h"
uint16_t verbose_level = 0; /**< Silent by default. */
/* use master core for command line ? */
uint8_t interactive = 0;
uint8_t auto_start = 0;
/*
* NUMA support configuration.
* When set, the NUMA support attempts to dispatch the allocation of the
* RX and TX memory rings, and of the DMA memory buffers (mbufs) for the
* probed ports among the CPU sockets 0 and 1.
* Otherwise, all memory is allocated from CPU socket 0.
*/
uint8_t numa_support = 0; /**< No numa support by default */
/*
* In UMA mode,all memory is allocated from socket 0 if --socket-num is
* not configured.
*/
uint8_t socket_num = UMA_NO_CONFIG;
/*
* Use ANONYMOUS mapped memory (might be not physically continuous) for mbufs.
*/
uint8_t mp_anon = 0;
/*
* Record the Ethernet address of peer target ports to which packets are
* forwarded.
* Must be instanciated with the ethernet addresses of peer traffic generator
* ports.
*/
struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
portid_t nb_peer_eth_addrs = 0;
/*
* Probed Target Environment.
*/
struct rte_port *ports; /**< For all probed ethernet ports. */
portid_t nb_ports; /**< Number of probed ethernet ports. */
struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */
lcoreid_t nb_lcores; /**< Number of probed logical cores. */
/*
* Test Forwarding Configuration.
* nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores
* nb_fwd_ports <= nb_cfg_ports <= nb_ports
*/
lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */
lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */
portid_t nb_cfg_ports; /**< Number of configured ports. */
portid_t nb_fwd_ports; /**< Number of forwarding ports. */
unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */
portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */
struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */
streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */
/*
* Forwarding engines.
*/
struct fwd_engine * fwd_engines[] = {
&io_fwd_engine,
&mac_fwd_engine,
&mac_retry_fwd_engine,
&mac_swap_engine,
&flow_gen_engine,
&rx_only_engine,
&tx_only_engine,
&csum_fwd_engine,
&icmp_echo_engine,
#ifdef RTE_LIBRTE_IEEE1588
&ieee1588_fwd_engine,
#endif
NULL,
};
struct fwd_config cur_fwd_config;
struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */
uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if
* specified on command-line. */
/*
* 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. */
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_rxq = 1; /**< Number of RX queues per port. */
queueid_t nb_txq = 1; /**< Number of TX queues per port. */
/*
* Configurable number of RX/TX ring descriptors.
*/
#define RTE_TEST_RX_DESC_DEFAULT 128
#define RTE_TEST_TX_DESC_DEFAULT 512
uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */
uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */
#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 TX queue flags.
*/
int32_t txq_flags = RTE_PMD_PARAM_UNSET;
/*
* 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 */
/*
* Avoids to check link status when starting/stopping a port.
*/
uint8_t no_link_check = 0; /* check by default */
/*
* NIC bypass mode configuration options.
*/
#ifdef RTE_NIC_BYPASS
/* The NIC bypass watchdog timeout. */
uint32_t bypass_timeout = RTE_BYPASS_TMT_OFF;
#endif
/*
* Ethernet device configuration.
*/
struct rte_eth_rxmode rx_mode = {
.max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */
.split_hdr_size = 0,
.header_split = 0, /**< Header Split disabled. */
.hw_ip_checksum = 0, /**< IP checksum offload disabled. */
.hw_vlan_filter = 1, /**< VLAN filtering enabled. */
.hw_vlan_strip = 1, /**< VLAN strip enabled. */
.hw_vlan_extend = 0, /**< Extended VLAN disabled. */
.jumbo_frame = 0, /**< Jumbo Frame Support disabled. */
.hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */
};
struct rte_fdir_conf fdir_conf = {
.mode = RTE_FDIR_MODE_NONE,
.pballoc = RTE_FDIR_PBALLOC_64K,
.status = RTE_FDIR_REPORT_STATUS,
.mask = {
.vlan_tci_mask = 0x0,
.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;
unsigned max_socket = 0;
/* Forward function declarations */
static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
static void check_all_ports_link_status(uint32_t port_mask);
/*
* Check if all the ports are started.
* If yes, return positive value. If not, return zero.
*/
static int all_ports_started(void);
/*
* Find next enabled port
*/
portid_t
find_next_port(portid_t p, struct rte_port *ports, int size)
{
if (ports == NULL)
rte_exit(-EINVAL, "failed to find a next port id\n");
while ((p < size) && (ports[p].enabled == 0))
p++;
return p;
}
/*
* 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++) {
sock_num = rte_lcore_to_socket_id(i) + 1;
if (sock_num > max_socket) {
if (sock_num > RTE_MAX_NUMA_NODES)
rte_exit(EXIT_FAILURE, "Total sockets greater than %u\n", RTE_MAX_NUMA_NODES);
max_socket = sock_num;
}
if (!rte_lcore_is_enabled(i))
continue;
if (i == rte_get_master_lcore())
continue;
fwd_lcores_cpuids[nb_lc++] = i;
}
nb_lcores = (lcoreid_t) nb_lc;
nb_cfg_lcores = nb_lcores;
nb_fwd_lcores = 1;
}
static void
set_def_peer_eth_addrs(void)
{
portid_t i;
for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR;
peer_eth_addrs[i].addr_bytes[5] = i;
}
}
static void
set_default_fwd_ports_config(void)
{
portid_t pt_id;
for (pt_id = 0; pt_id < nb_ports; pt_id++)
fwd_ports_ids[pt_id] = pt_id;
nb_cfg_ports = nb_ports;
nb_fwd_ports = nb_ports;
}
void
set_def_fwd_config(void)
{
set_default_fwd_lcores_config();
set_def_peer_eth_addrs();
set_default_fwd_ports_config();
}
/*
* Configuration initialisation done once at init time.
*/
static void
mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
unsigned int socket_id)
{
char pool_name[RTE_MEMPOOL_NAMESIZE];
struct rte_mempool *rte_mp = NULL;
uint32_t mb_size;
mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
RTE_LOG(INFO, USER1,
"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
pool_name, nb_mbuf, mbuf_seg_size, socket_id);
#ifdef RTE_LIBRTE_PMD_XENVIRT
rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
(unsigned) mb_mempool_cache,
sizeof(struct rte_pktmbuf_pool_private),
rte_pktmbuf_pool_init, NULL,
rte_pktmbuf_init, NULL,
socket_id, 0);
#endif
/* if the former XEN allocation failed fall back to normal allocation */
if (rte_mp == NULL) {
if (mp_anon != 0) {
rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
mb_size, (unsigned) mb_mempool_cache,
sizeof(struct rte_pktmbuf_pool_private),
socket_id, 0);
if (rte_mempool_populate_anon(rte_mp) == 0) {
rte_mempool_free(rte_mp);
rte_mp = NULL;
}
rte_pktmbuf_pool_init(rte_mp, NULL);
rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
} else {
/* wrapper to rte_mempool_create() */
rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
mb_mempool_cache, 0, mbuf_seg_size, socket_id);
}
}
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);
}
}
/*
* 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 (socket_id >= max_socket) {
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;
}
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];
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;
}
/*
* 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;
if (!numa_support)
nb_mbuf_per_pool =
(nb_mbuf_per_pool * RTE_MAX_ETHPORTS);
}
if (!numa_support) {
if (socket_num == UMA_NO_CONFIG)
mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
else
mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
socket_num);
}
FOREACH_PORT(pid, ports) {
port = &ports[pid];
rte_eth_dev_info_get(pid, &port->dev_info);
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 0 */
if (check_socket_id(socket_id) < 0)
socket_id = 0;
port_per_socket[socket_id]++;
}
}
/* set flag to initialize port/queue */
port->need_reconfig = 1;
port->need_reconfig_queues = 1;
}
if (numa_support) {
uint8_t i;
unsigned int nb_mbuf;
if (param_total_num_mbufs)
nb_mbuf_per_pool = nb_mbuf_per_pool/nb_ports;
for (i = 0; i < max_socket; i++) {
nb_mbuf = (nb_mbuf_per_pool * RTE_MAX_ETHPORTS);
if (nb_mbuf)
mbuf_pool_create(mbuf_data_size,
nb_mbuf,i);
}
}
init_port_config();
/*
* 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;
}
/* Configuration of packet forwarding streams. */
if (init_fwd_streams() < 0)
rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n");
}
void
reconfig(portid_t new_port_id, unsigned socket_id)
{
struct rte_port *port;
/* Reconfiguration of Ethernet ports. */
port = &ports[new_port_id];
rte_eth_dev_info_get(new_port_id, &port->dev_info);
/* 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 */
FOREACH_PORT(pid, ports) {
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 0 */
if (check_socket_id(port->socket_id) < 0)
port->socket_id = 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;
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;
}
}
if (total_burst == 0)
return;
burst_percent[0] = (burst_stats[0] * 100) / total_burst;
printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst,
burst_percent[0], (int) pktnb_stats[0]);
if (burst_stats[0] == total_burst) {
printf("]\n");
return;
}
if (burst_stats[0] + burst_stats[1] == total_burst) {
printf(" + %d%% of %d pkts]\n",
100 - burst_percent[0], pktnb_stats[1]);
return;
}
burst_percent[1] = (burst_stats[1] * 100) / total_burst;
burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]);
if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) {
printf(" + %d%% of others]\n", 100 - burst_percent[0]);
return;
}
printf(" + %d%% of %d pkts + %d%% of others]\n",
burst_percent[1], (int) pktnb_stats[1], burst_percent[2]);
}
#endif /* RTE_TEST_PMD_RECORD_BURST_STATS */
static void
fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats)
{
struct rte_port *port;
uint8_t i;
static const char *fwd_stats_border = "----------------------";
port = &ports[port_id];
printf("\n %s Forward statistics for port %-2d %s\n",
fwd_stats_border, port_id, fwd_stats_border);
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,
(uint64_t) (stats->ipackets + stats->imissed));
if (cur_fwd_eng == &csum_fwd_engine)
printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n",
port->rx_bad_ip_csum, port->rx_bad_l4_csum);
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, port->tx_dropped,
(uint64_t) (stats->opackets + port->tx_dropped));
}
else {
printf(" RX-packets: %14"PRIu64" RX-dropped:%14"PRIu64" RX-total:"
"%14"PRIu64"\n",
stats->ipackets, stats->imissed,
(uint64_t) (stats->ipackets + stats->imissed));
if (cur_fwd_eng == &csum_fwd_engine)
printf(" Bad-ipcsum:%14"PRIu64" Bad-l4csum:%14"PRIu64"\n",
port->rx_bad_ip_csum, port->rx_bad_l4_csum);
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, port->tx_dropped,
(uint64_t) (stats->opackets + port->tx_dropped));
}
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
if (port->rx_stream)
pkt_burst_stats_display("RX",
&port->rx_stream->rx_burst_stats);
if (port->tx_stream)
pkt_burst_stats_display("TX",
&port->tx_stream->tx_burst_stats);
#endif
if (port->rx_queue_stats_mapping_enabled) {
printf("\n");
for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
printf(" Stats reg %2d RX-packets:%14"PRIu64
" RX-errors:%14"PRIu64
" RX-bytes:%14"PRIu64"\n",
i, stats->q_ipackets[i], stats->q_errors[i], stats->q_ibytes[i]);
}
printf("\n");
}
if (port->tx_queue_stats_mapping_enabled) {
for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
printf(" Stats reg %2d TX-packets:%14"PRIu64
" TX-bytes:%14"PRIu64"\n",
i, stats->q_opackets[i], stats->q_obytes[i]);
}
}
printf(" %s--------------------------------%s\n",
fwd_stats_border, fwd_stats_border);
}
static void
fwd_stream_stats_display(streamid_t stream_id)
{
struct fwd_stream *fs;
static const char *fwd_top_stats_border = "-------";
fs = fwd_streams[stream_id];
if ((fs->rx_packets == 0) && (fs->tx_packets == 0) &&
(fs->fwd_dropped == 0))
return;
printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> "
"TX Port=%2d/Queue=%2d %s\n",
fwd_top_stats_border, fs->rx_port, fs->rx_queue,
fs->tx_port, fs->tx_queue, fwd_top_stats_border);
printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u",
fs->rx_packets, fs->tx_packets, fs->fwd_dropped);
/* if checksum mode */
if (cur_fwd_eng == &csum_fwd_engine) {
printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: "
"%-14u\n", fs->rx_bad_ip_csum, fs->rx_bad_l4_csum);
}
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
pkt_burst_stats_display("RX", &fs->rx_burst_stats);
pkt_burst_stats_display("TX", &fs->tx_burst_stats);
#endif
}
static void
flush_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;
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];
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]);
} while (nb_rx > 0);
}
}
rte_delay_ms(10); /* wait 10 milli-seconds before retrying */
}
}
static void
run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
{
struct fwd_stream **fsm;
streamid_t nb_fs;
streamid_t sm_id;
fsm = &fwd_streams[fc->stream_idx];
nb_fs = fc->stream_nb;
do {
for (sm_id = 0; sm_id < nb_fs; sm_id++)
(*pkt_fwd)(fsm[sm_id]);
} while (! fc->stopped);
}
static int
start_pkt_forward_on_core(void *fwd_arg)
{
run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg,
cur_fwd_config.fwd_eng->packet_fwd);
return 0;
}
/*
* Run the TXONLY packet forwarding engine to send a single burst of packets.
* Used to start communication flows in network loopback test configurations.
*/
static int
run_one_txonly_burst_on_core(void *fwd_arg)
{
struct fwd_lcore *fwd_lc;
struct fwd_lcore tmp_lcore;
fwd_lc = (struct fwd_lcore *) fwd_arg;
tmp_lcore = *fwd_lc;
tmp_lcore.stopped = 1;
run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd);
return 0;
}
/*
* Launch packet forwarding:
* - Setup per-port forwarding context.
* - launch logical cores with their forwarding configuration.
*/
static void
launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
{
port_fwd_begin_t port_fwd_begin;
unsigned int i;
unsigned int lc_id;
int diag;
port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
if (port_fwd_begin != NULL) {
for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
(*port_fwd_begin)(fwd_ports_ids[i]);
}
for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) {
lc_id = fwd_lcores_cpuids[i];
if ((interactive == 0) || (lc_id != rte_lcore_id())) {
fwd_lcores[i]->stopped = 0;
diag = rte_eal_remote_launch(pkt_fwd_on_lcore,
fwd_lcores[i], lc_id);
if (diag != 0)
printf("launch lcore %u failed - diag=%d\n",
lc_id, diag);
}
}
}
/*
* Launch packet forwarding configuration.
*/
void
start_packet_forwarding(int with_tx_first)
{
port_fwd_begin_t port_fwd_begin;
port_fwd_end_t port_fwd_end;
struct rte_port *port;
unsigned int i;
portid_t pt_id;
streamid_t sm_id;
if (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 "