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numam-dpdk/app/pdump/main.c
Aman Deep Singh a7db3afce7 net: add macro to extract MAC address bytes 
Added macros to simplify print of MAC address.
The six bytes of a MAC address are extracted in
a macro here, to improve code readablity.

Signed-off-by: Aman Deep Singh <aman.deep.singh@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2021-09-07 19:08:05 +02:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2016 Intel Corporation
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <inttypes.h>
#include <stdlib.h>
#include <getopt.h>
#include <signal.h>
#include <stdbool.h>
#include <net/if.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_ethdev.h>
#include <rte_memory.h>
#include <rte_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_errno.h>
#include <rte_dev.h>
#include <rte_kvargs.h>
#include <rte_mempool.h>
#include <rte_ring.h>
#include <rte_string_fns.h>
#include <rte_pdump.h>
#define CMD_LINE_OPT_PDUMP "pdump"
#define CMD_LINE_OPT_PDUMP_NUM 256
#define CMD_LINE_OPT_MULTI "multi"
#define CMD_LINE_OPT_MULTI_NUM 257
#define PDUMP_PORT_ARG "port"
#define PDUMP_PCI_ARG "device_id"
#define PDUMP_QUEUE_ARG "queue"
#define PDUMP_DIR_ARG "dir"
#define PDUMP_RX_DEV_ARG "rx-dev"
#define PDUMP_TX_DEV_ARG "tx-dev"
#define PDUMP_RING_SIZE_ARG "ring-size"
#define PDUMP_MSIZE_ARG "mbuf-size"
#define PDUMP_NUM_MBUFS_ARG "total-num-mbufs"
#define VDEV_NAME_FMT "net_pcap_%s_%d"
#define VDEV_PCAP_ARGS_FMT "tx_pcap=%s"
#define VDEV_IFACE_ARGS_FMT "tx_iface=%s"
#define TX_STREAM_SIZE 64
#define MP_NAME "pdump_pool_%d"
#define RX_RING "rx_ring_%d"
#define TX_RING "tx_ring_%d"
#define RX_STR "rx"
#define TX_STR "tx"
/* Maximum long option length for option parsing. */
#define APP_ARG_TCPDUMP_MAX_TUPLES 54
#define MBUF_POOL_CACHE_SIZE 250
#define TX_DESC_PER_QUEUE 512
#define RX_DESC_PER_QUEUE 128
#define MBUFS_PER_POOL 65535
#define MAX_LONG_OPT_SZ 64
#define RING_SIZE 16384
#define SIZE 256
#define BURST_SIZE 32
#define NUM_VDEVS 2
/* Maximum delay for exiting after primary process. */
#define MONITOR_INTERVAL (500 * 1000)
/* true if x is a power of 2 */
#define POWEROF2(x) ((((x)-1) & (x)) == 0)
enum pdump_en_dis {
DISABLE = 1,
ENABLE = 2
};
enum pcap_stream {
IFACE = 1,
PCAP = 2
};
enum pdump_by {
PORT_ID = 1,
DEVICE_ID = 2
};
static const char * const valid_pdump_arguments[] = {
PDUMP_PORT_ARG,
PDUMP_PCI_ARG,
PDUMP_QUEUE_ARG,
PDUMP_DIR_ARG,
PDUMP_RX_DEV_ARG,
PDUMP_TX_DEV_ARG,
PDUMP_RING_SIZE_ARG,
PDUMP_MSIZE_ARG,
PDUMP_NUM_MBUFS_ARG,
NULL
};
struct pdump_stats {
uint64_t dequeue_pkts;
uint64_t tx_pkts;
uint64_t freed_pkts;
};
struct pdump_tuples {
/* cli params */
uint16_t port;
char *device_id;
uint16_t queue;
char rx_dev[TX_STREAM_SIZE];
char tx_dev[TX_STREAM_SIZE];
uint32_t ring_size;
uint16_t mbuf_data_size;
uint32_t total_num_mbufs;
/* params for library API call */
uint32_t dir;
struct rte_mempool *mp;
struct rte_ring *rx_ring;
struct rte_ring *tx_ring;
/* params for packet dumping */
enum pdump_by dump_by_type;
uint16_t rx_vdev_id;
uint16_t tx_vdev_id;
enum pcap_stream rx_vdev_stream_type;
enum pcap_stream tx_vdev_stream_type;
bool single_pdump_dev;
/* stats */
struct pdump_stats stats;
} __rte_cache_aligned;
static struct pdump_tuples pdump_t[APP_ARG_TCPDUMP_MAX_TUPLES];
struct parse_val {
uint64_t min;
uint64_t max;
uint64_t val;
};
static int num_tuples;
static struct rte_eth_conf port_conf_default;
static volatile uint8_t quit_signal;
static uint8_t multiple_core_capture;
/**< display usage */
static void
pdump_usage(const char *prgname)
{
printf("usage: %s [EAL options] --"
" --["CMD_LINE_OPT_MULTI"]\n"
" --"CMD_LINE_OPT_PDUMP" "
"'(port=<port id> | device_id=<pci id or vdev name>),"
"(queue=<queue_id>),"
"(rx-dev=<iface or pcap file> |"
" tx-dev=<iface or pcap file>,"
"[ring-size=<ring size>default:16384],"
"[mbuf-size=<mbuf data size>default:2176],"
"[total-num-mbufs=<number of mbufs>default:65535]'\n",
prgname);
}
static int
parse_device_id(const char *key __rte_unused, const char *value,
void *extra_args)
{
struct pdump_tuples *pt = extra_args;
pt->device_id = strdup(value);
pt->dump_by_type = DEVICE_ID;
return 0;
}
static int
parse_queue(const char *key __rte_unused, const char *value, void *extra_args)
{
unsigned long n;
struct pdump_tuples *pt = extra_args;
if (!strcmp(value, "*"))
pt->queue = RTE_PDUMP_ALL_QUEUES;
else {
n = strtoul(value, NULL, 10);
pt->queue = (uint16_t) n;
}
return 0;
}
static int
parse_rxtxdev(const char *key, const char *value, void *extra_args)
{
struct pdump_tuples *pt = extra_args;
if (!strcmp(key, PDUMP_RX_DEV_ARG)) {
strlcpy(pt->rx_dev, value, sizeof(pt->rx_dev));
/* identify the tx stream type for pcap vdev */
if (if_nametoindex(pt->rx_dev))
pt->rx_vdev_stream_type = IFACE;
} else if (!strcmp(key, PDUMP_TX_DEV_ARG)) {
strlcpy(pt->tx_dev, value, sizeof(pt->tx_dev));
/* identify the tx stream type for pcap vdev */
if (if_nametoindex(pt->tx_dev))
pt->tx_vdev_stream_type = IFACE;
}
return 0;
}
static int
parse_uint_value(const char *key, const char *value, void *extra_args)
{
struct parse_val *v;
unsigned long t;
char *end;
int ret = 0;
errno = 0;
v = extra_args;
t = strtoul(value, &end, 10);
if (errno != 0 || end[0] != 0 || t < v->min || t > v->max) {
printf("invalid value:\"%s\" for key:\"%s\", "
"value must be >= %"PRIu64" and <= %"PRIu64"\n",
value, key, v->min, v->max);
ret = -EINVAL;
}
if (!strcmp(key, PDUMP_RING_SIZE_ARG) && !POWEROF2(t)) {
printf("invalid value:\"%s\" for key:\"%s\", "
"value must be power of 2\n", value, key);
ret = -EINVAL;
}
if (ret != 0)
return ret;
v->val = t;
return 0;
}
static int
parse_pdump(const char *optarg)
{
struct rte_kvargs *kvlist;
int ret = 0, cnt1, cnt2;
struct pdump_tuples *pt;
struct parse_val v = {0};
pt = &pdump_t[num_tuples];
/* initial check for invalid arguments */
kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
if (kvlist == NULL) {
printf("--pdump=\"%s\": invalid argument passed\n", optarg);
return -1;
}
/* port/device_id parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
printf("--pdump=\"%s\": must have either port or "
"device_id argument\n", optarg);
ret = -1;
goto free_kvlist;
} else if (cnt1 == 1) {
v.min = 0;
v.max = RTE_MAX_ETHPORTS-1;
ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
&parse_uint_value, &v);
if (ret < 0)
goto free_kvlist;
pt->port = (uint16_t) v.val;
pt->dump_by_type = PORT_ID;
} else if (cnt2 == 1) {
ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
&parse_device_id, pt);
if (ret < 0)
goto free_kvlist;
}
/* queue parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
if (cnt1 != 1) {
printf("--pdump=\"%s\": must have queue argument\n", optarg);
ret = -1;
goto free_kvlist;
}
ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
if (ret < 0)
goto free_kvlist;
/* rx-dev and tx-dev parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
if (cnt1 == 0 && cnt2 == 0) {
printf("--pdump=\"%s\": must have either rx-dev or "
"tx-dev argument\n", optarg);
ret = -1;
goto free_kvlist;
} else if (cnt1 == 1 && cnt2 == 1) {
ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
&parse_rxtxdev, pt);
if (ret < 0)
goto free_kvlist;
ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
&parse_rxtxdev, pt);
if (ret < 0)
goto free_kvlist;
/* if captured packets has to send to the same vdev */
if (!strcmp(pt->rx_dev, pt->tx_dev))
pt->single_pdump_dev = true;
pt->dir = RTE_PDUMP_FLAG_RXTX;
} else if (cnt1 == 1) {
ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
&parse_rxtxdev, pt);
if (ret < 0)
goto free_kvlist;
pt->dir = RTE_PDUMP_FLAG_RX;
} else if (cnt2 == 1) {
ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
&parse_rxtxdev, pt);
if (ret < 0)
goto free_kvlist;
pt->dir = RTE_PDUMP_FLAG_TX;
}
/* optional */
/* ring_size parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_RING_SIZE_ARG);
if (cnt1 == 1) {
v.min = 2;
v.max = RTE_RING_SZ_MASK-1;
ret = rte_kvargs_process(kvlist, PDUMP_RING_SIZE_ARG,
&parse_uint_value, &v);
if (ret < 0)
goto free_kvlist;
pt->ring_size = (uint32_t) v.val;
} else
pt->ring_size = RING_SIZE;
/* mbuf_data_size parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_MSIZE_ARG);
if (cnt1 == 1) {
v.min = 1;
v.max = UINT16_MAX;
ret = rte_kvargs_process(kvlist, PDUMP_MSIZE_ARG,
&parse_uint_value, &v);
if (ret < 0)
goto free_kvlist;
pt->mbuf_data_size = (uint16_t) v.val;
} else
pt->mbuf_data_size = RTE_MBUF_DEFAULT_BUF_SIZE;
/* total_num_mbufs parsing and validation */
cnt1 = rte_kvargs_count(kvlist, PDUMP_NUM_MBUFS_ARG);
if (cnt1 == 1) {
v.min = 1025;
v.max = UINT16_MAX;
ret = rte_kvargs_process(kvlist, PDUMP_NUM_MBUFS_ARG,
&parse_uint_value, &v);
if (ret < 0)
goto free_kvlist;
pt->total_num_mbufs = (uint16_t) v.val;
} else
pt->total_num_mbufs = MBUFS_PER_POOL;
num_tuples++;
free_kvlist:
rte_kvargs_free(kvlist);
return ret;
}
/* Parse the argument given in the command line of the application */
static int
launch_args_parse(int argc, char **argv, char *prgname)
{
int opt, ret;
int option_index;
static struct option long_option[] = {
{CMD_LINE_OPT_PDUMP, 1, 0, CMD_LINE_OPT_PDUMP_NUM},
{CMD_LINE_OPT_MULTI, 0, 0, CMD_LINE_OPT_MULTI_NUM},
{NULL, 0, 0, 0}
};
if (argc == 1)
pdump_usage(prgname);
/* Parse command line */
while ((opt = getopt_long(argc, argv, " ",
long_option, &option_index)) != EOF) {
switch (opt) {
case CMD_LINE_OPT_PDUMP_NUM:
ret = parse_pdump(optarg);
if (ret) {
pdump_usage(prgname);
return -1;
}
break;
case CMD_LINE_OPT_MULTI_NUM:
multiple_core_capture = 1;
break;
default:
pdump_usage(prgname);
return -1;
}
}
return 0;
}
static void
monitor_primary(void *arg __rte_unused)
{
if (quit_signal)
return;
if (rte_eal_primary_proc_alive(NULL)) {
rte_eal_alarm_set(MONITOR_INTERVAL, monitor_primary, NULL);
return;
}
printf("Primary process is no longer active, exiting...\n");
quit_signal = 1;
}
static void
print_pdump_stats(void)
{
int i;
struct pdump_tuples *pt;
for (i = 0; i < num_tuples; i++) {
printf("##### PDUMP DEBUG STATS #####\n");
pt = &pdump_t[i];
printf(" -packets dequeued: %"PRIu64"\n",
pt->stats.dequeue_pkts);
printf(" -packets transmitted to vdev: %"PRIu64"\n",
pt->stats.tx_pkts);
printf(" -packets freed: %"PRIu64"\n",
pt->stats.freed_pkts);
}
}
static inline void
disable_pdump(struct pdump_tuples *pt)
{
if (pt->dump_by_type == DEVICE_ID)
rte_pdump_disable_by_deviceid(pt->device_id, pt->queue,
pt->dir);
else if (pt->dump_by_type == PORT_ID)
rte_pdump_disable(pt->port, pt->queue, pt->dir);
}
static inline void
pdump_rxtx(struct rte_ring *ring, uint16_t vdev_id, struct pdump_stats *stats)
{
/* write input packets of port to vdev for pdump */
struct rte_mbuf *rxtx_bufs[BURST_SIZE];
/* first dequeue packets from ring of primary process */
const uint16_t nb_in_deq = rte_ring_dequeue_burst(ring,
(void *)rxtx_bufs, BURST_SIZE, NULL);
stats->dequeue_pkts += nb_in_deq;
if (nb_in_deq) {
/* then sent on vdev */
uint16_t nb_in_txd = rte_eth_tx_burst(
vdev_id,
0, rxtx_bufs, nb_in_deq);
stats->tx_pkts += nb_in_txd;
if (unlikely(nb_in_txd < nb_in_deq)) {
unsigned int drops = nb_in_deq - nb_in_txd;
rte_pktmbuf_free_bulk(&rxtx_bufs[nb_in_txd], drops);
stats->freed_pkts += drops;
}
}
}
static void
free_ring_data(struct rte_ring *ring, uint16_t vdev_id,
struct pdump_stats *stats)
{
while (rte_ring_count(ring))
pdump_rxtx(ring, vdev_id, stats);
}
static void
cleanup_rings(void)
{
int i;
struct pdump_tuples *pt;
for (i = 0; i < num_tuples; i++) {
pt = &pdump_t[i];
if (pt->device_id)
free(pt->device_id);
/* free the rings */
if (pt->rx_ring)
rte_ring_free(pt->rx_ring);
if (pt->tx_ring)
rte_ring_free(pt->tx_ring);
}
}
static void
cleanup_pdump_resources(void)
{
int i;
struct pdump_tuples *pt;
char name[RTE_ETH_NAME_MAX_LEN];
/* disable pdump and free the pdump_tuple resources */
for (i = 0; i < num_tuples; i++) {
pt = &pdump_t[i];
/* remove callbacks */
disable_pdump(pt);
/*
* transmit rest of the enqueued packets of the rings on to
* the vdev, in order to release mbufs to the mepool.
**/
if (pt->dir & RTE_PDUMP_FLAG_RX)
free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
if (pt->dir & RTE_PDUMP_FLAG_TX)
free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
/* Remove the vdev(s) created */
if (pt->dir & RTE_PDUMP_FLAG_RX) {
rte_eth_dev_get_name_by_port(pt->rx_vdev_id, name);
rte_eal_hotplug_remove("vdev", name);
}
if (pt->single_pdump_dev)
continue;
if (pt->dir & RTE_PDUMP_FLAG_TX) {
rte_eth_dev_get_name_by_port(pt->tx_vdev_id, name);
rte_eal_hotplug_remove("vdev", name);
}
}
cleanup_rings();
}
static void
disable_primary_monitor(void)
{
int ret;
/*
* Cancel monitoring of primary process.
* There will be no error if no alarm is set
* (in case primary process kill was detected earlier).
*/
ret = rte_eal_alarm_cancel(monitor_primary, NULL);
if (ret < 0)
printf("Fail to disable monitor:%d\n", ret);
}
static void
signal_handler(int sig_num)
{
if (sig_num == SIGINT) {
printf("\n\nSignal %d received, preparing to exit...\n",
sig_num);
quit_signal = 1;
}
}
static inline int
configure_vdev(uint16_t port_id)
{
struct rte_ether_addr addr;
const uint16_t rxRings = 0, txRings = 1;
int ret;
uint16_t q;
if (!rte_eth_dev_is_valid_port(port_id))
return -1;
ret = rte_eth_dev_configure(port_id, rxRings, txRings,
&port_conf_default);
if (ret != 0)
rte_exit(EXIT_FAILURE, "dev config failed\n");
for (q = 0; q < txRings; q++) {
ret = rte_eth_tx_queue_setup(port_id, q, TX_DESC_PER_QUEUE,
rte_eth_dev_socket_id(port_id), NULL);
if (ret < 0)
rte_exit(EXIT_FAILURE, "queue setup failed\n");
}
ret = rte_eth_dev_start(port_id);
if (ret < 0)
rte_exit(EXIT_FAILURE, "dev start failed\n");
ret = rte_eth_macaddr_get(port_id, &addr);
if (ret != 0)
rte_exit(EXIT_FAILURE, "macaddr get failed\n");
printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
port_id, RTE_ETHER_ADDR_BYTES(&addr));
ret = rte_eth_promiscuous_enable(port_id);
if (ret != 0) {
rte_exit(EXIT_FAILURE,
"promiscuous mode enable failed: %s\n",
rte_strerror(-ret));
return ret;
}
return 0;
}
static void
create_mp_ring_vdev(void)
{
int i;
uint16_t portid;
struct pdump_tuples *pt = NULL;
struct rte_mempool *mbuf_pool = NULL;
char vdev_name[SIZE];
char vdev_args[SIZE];
char ring_name[SIZE];
char mempool_name[SIZE];
for (i = 0; i < num_tuples; i++) {
pt = &pdump_t[i];
snprintf(mempool_name, SIZE, MP_NAME, i);
mbuf_pool = rte_mempool_lookup(mempool_name);
if (mbuf_pool == NULL) {
/* create mempool */
mbuf_pool = rte_pktmbuf_pool_create_by_ops(mempool_name,
pt->total_num_mbufs,
MBUF_POOL_CACHE_SIZE, 0,
pt->mbuf_data_size,
rte_socket_id(), "ring_mp_mc");
if (mbuf_pool == NULL) {
cleanup_rings();
rte_exit(EXIT_FAILURE,
"Mempool creation failed: %s\n",
rte_strerror(rte_errno));
}
}
pt->mp = mbuf_pool;
if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
/* if captured packets has to send to the same vdev */
/* create rx_ring */
snprintf(ring_name, SIZE, RX_RING, i);
pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
if (pt->rx_ring == NULL) {
cleanup_rings();
rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
rte_strerror(rte_errno),
__func__, __LINE__);
}
/* create tx_ring */
snprintf(ring_name, SIZE, TX_RING, i);
pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
if (pt->tx_ring == NULL) {
cleanup_rings();
rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
rte_strerror(rte_errno),
__func__, __LINE__);
}
/* create vdevs */
snprintf(vdev_name, sizeof(vdev_name),
VDEV_NAME_FMT, RX_STR, i);
(pt->rx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, sizeof(vdev_args),
VDEV_IFACE_ARGS_FMT, pt->rx_dev) :
snprintf(vdev_args, sizeof(vdev_args),
VDEV_PCAP_ARGS_FMT, pt->rx_dev);
if (rte_eal_hotplug_add("vdev", vdev_name,
vdev_args) < 0) {
cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:%s:%d\n",
__func__, __LINE__);
}
if (rte_eth_dev_get_port_by_name(vdev_name,
&portid) != 0) {
rte_eal_hotplug_remove("vdev", vdev_name);
cleanup_rings();
rte_exit(EXIT_FAILURE,
"cannot find added vdev %s:%s:%d\n",
vdev_name, __func__, __LINE__);
}
pt->rx_vdev_id = portid;
/* configure vdev */
configure_vdev(pt->rx_vdev_id);
if (pt->single_pdump_dev)
pt->tx_vdev_id = portid;
else {
snprintf(vdev_name, sizeof(vdev_name),
VDEV_NAME_FMT, TX_STR, i);
(pt->rx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, sizeof(vdev_args),
VDEV_IFACE_ARGS_FMT, pt->tx_dev) :
snprintf(vdev_args, sizeof(vdev_args),
VDEV_PCAP_ARGS_FMT, pt->tx_dev);
if (rte_eal_hotplug_add("vdev", vdev_name,
vdev_args) < 0) {
cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:"
"%s:%d\n", __func__, __LINE__);
}
if (rte_eth_dev_get_port_by_name(vdev_name,
&portid) != 0) {
rte_eal_hotplug_remove("vdev",
vdev_name);
cleanup_rings();
rte_exit(EXIT_FAILURE,
"cannot find added vdev %s:%s:%d\n",
vdev_name, __func__, __LINE__);
}
pt->tx_vdev_id = portid;
/* configure vdev */
configure_vdev(pt->tx_vdev_id);
}
} else if (pt->dir == RTE_PDUMP_FLAG_RX) {
/* create rx_ring */
snprintf(ring_name, SIZE, RX_RING, i);
pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
if (pt->rx_ring == NULL) {
cleanup_rings();
rte_exit(EXIT_FAILURE, "%s\n",
rte_strerror(rte_errno));
}
snprintf(vdev_name, sizeof(vdev_name),
VDEV_NAME_FMT, RX_STR, i);
(pt->rx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, sizeof(vdev_args),
VDEV_IFACE_ARGS_FMT, pt->rx_dev) :
snprintf(vdev_args, sizeof(vdev_args),
VDEV_PCAP_ARGS_FMT, pt->rx_dev);
if (rte_eal_hotplug_add("vdev", vdev_name,
vdev_args) < 0) {
cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:%s:%d\n",
__func__, __LINE__);
}
if (rte_eth_dev_get_port_by_name(vdev_name,
&portid) != 0) {
rte_eal_hotplug_remove("vdev", vdev_name);
cleanup_rings();
rte_exit(EXIT_FAILURE,
"cannot find added vdev %s:%s:%d\n",
vdev_name, __func__, __LINE__);
}
pt->rx_vdev_id = portid;
/* configure vdev */
configure_vdev(pt->rx_vdev_id);
} else if (pt->dir == RTE_PDUMP_FLAG_TX) {
/* create tx_ring */
snprintf(ring_name, SIZE, TX_RING, i);
pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
if (pt->tx_ring == NULL) {
cleanup_rings();
rte_exit(EXIT_FAILURE, "%s\n",
rte_strerror(rte_errno));
}
snprintf(vdev_name, sizeof(vdev_name),
VDEV_NAME_FMT, TX_STR, i);
(pt->tx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, sizeof(vdev_args),
VDEV_IFACE_ARGS_FMT, pt->tx_dev) :
snprintf(vdev_args, sizeof(vdev_args),
VDEV_PCAP_ARGS_FMT, pt->tx_dev);
if (rte_eal_hotplug_add("vdev", vdev_name,
vdev_args) < 0) {
cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed\n");
}
if (rte_eth_dev_get_port_by_name(vdev_name,
&portid) != 0) {
rte_eal_hotplug_remove("vdev", vdev_name);
cleanup_rings();
rte_exit(EXIT_FAILURE,
"cannot find added vdev %s:%s:%d\n",
vdev_name, __func__, __LINE__);
}
pt->tx_vdev_id = portid;
/* configure vdev */
configure_vdev(pt->tx_vdev_id);
}
}
}
static void
enable_pdump(void)
{
int i;
struct pdump_tuples *pt;
int ret = 0, ret1 = 0;
for (i = 0; i < num_tuples; i++) {
pt = &pdump_t[i];
if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
if (pt->dump_by_type == DEVICE_ID) {
ret = rte_pdump_enable_by_deviceid(
pt->device_id,
pt->queue,
RTE_PDUMP_FLAG_RX,
pt->rx_ring,
pt->mp, NULL);
ret1 = rte_pdump_enable_by_deviceid(
pt->device_id,
pt->queue,
RTE_PDUMP_FLAG_TX,
pt->tx_ring,
pt->mp, NULL);
} else if (pt->dump_by_type == PORT_ID) {
ret = rte_pdump_enable(pt->port, pt->queue,
RTE_PDUMP_FLAG_RX,
pt->rx_ring, pt->mp, NULL);
ret1 = rte_pdump_enable(pt->port, pt->queue,
RTE_PDUMP_FLAG_TX,
pt->tx_ring, pt->mp, NULL);
}
} else if (pt->dir == RTE_PDUMP_FLAG_RX) {
if (pt->dump_by_type == DEVICE_ID)
ret = rte_pdump_enable_by_deviceid(
pt->device_id,
pt->queue,
pt->dir, pt->rx_ring,
pt->mp, NULL);
else if (pt->dump_by_type == PORT_ID)
ret = rte_pdump_enable(pt->port, pt->queue,
pt->dir,
pt->rx_ring, pt->mp, NULL);
} else if (pt->dir == RTE_PDUMP_FLAG_TX) {
if (pt->dump_by_type == DEVICE_ID)
ret = rte_pdump_enable_by_deviceid(
pt->device_id,
pt->queue,
pt->dir,
pt->tx_ring, pt->mp, NULL);
else if (pt->dump_by_type == PORT_ID)
ret = rte_pdump_enable(pt->port, pt->queue,
pt->dir,
pt->tx_ring, pt->mp, NULL);
}
if (ret < 0 || ret1 < 0) {
cleanup_pdump_resources();
rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
}
}
}
static inline void
pdump_packets(struct pdump_tuples *pt)
{
if (pt->dir & RTE_PDUMP_FLAG_RX)
pdump_rxtx(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
if (pt->dir & RTE_PDUMP_FLAG_TX)
pdump_rxtx(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
}
static int
dump_packets_core(void *arg)
{
struct pdump_tuples *pt = (struct pdump_tuples *) arg;
printf(" core (%u); port %u device (%s) queue %u\n",
rte_lcore_id(), pt->port, pt->device_id, pt->queue);
fflush(stdout);
while (!quit_signal)
pdump_packets(pt);
return 0;
}
static inline void
dump_packets(void)
{
int i;
uint32_t lcore_id = 0;
if (!multiple_core_capture) {
printf(" core (%u), capture for (%d) tuples\n",
rte_lcore_id(), num_tuples);
for (i = 0; i < num_tuples; i++)
printf(" - port %u device (%s) queue %u\n",
pdump_t[i].port,
pdump_t[i].device_id,
pdump_t[i].queue);
while (!quit_signal) {
for (i = 0; i < num_tuples; i++)
pdump_packets(&pdump_t[i]);
}
return;
}
/* check if there enough core */
if ((uint32_t)num_tuples >= rte_lcore_count()) {
printf("Insufficient cores to run parallel!\n");
return;
}
lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
for (i = 0; i < num_tuples; i++) {
rte_eal_remote_launch(dump_packets_core,
&pdump_t[i], lcore_id);
lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
if (rte_eal_wait_lcore(lcore_id) < 0)
rte_exit(EXIT_FAILURE, "failed to wait\n");
}
/* main core */
while (!quit_signal)
;
}
static void
enable_primary_monitor(void)
{
int ret;
/* Once primary exits, so will pdump. */
ret = rte_eal_alarm_set(MONITOR_INTERVAL, monitor_primary, NULL);
if (ret < 0)
printf("Fail to enable monitor:%d\n", ret);
}
int
main(int argc, char **argv)
{
int diag;
int ret;
int i;
char n_flag[] = "-n4";
char mp_flag[] = "--proc-type=secondary";
char *argp[argc + 2];
/* catch ctrl-c so we can print on exit */
signal(SIGINT, signal_handler);
argp[0] = argv[0];
argp[1] = n_flag;
argp[2] = mp_flag;
for (i = 1; i < argc; i++)
argp[i + 2] = argv[i];
argc += 2;
diag = rte_eal_init(argc, argp);
if (diag < 0)
rte_panic("Cannot init EAL\n");
if (rte_eth_dev_count_avail() == 0)
rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
argc -= diag;
argv += (diag - 2);
/* parse app arguments */
if (argc > 1) {
ret = launch_args_parse(argc, argv, argp[0]);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid argument\n");
}
/* create mempool, ring and vdevs info */
create_mp_ring_vdev();
enable_pdump();
enable_primary_monitor();
dump_packets();
disable_primary_monitor();
cleanup_pdump_resources();
/* dump debug stats */
print_pdump_stats();
ret = rte_eal_cleanup();
if (ret)
printf("Error from rte_eal_cleanup(), %d\n", ret);
return 0;
}
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