mirror of
https://github.com/apache/nuttx-apps.git
synced 2025-07-04 19:07:16 +08:00
a91768e715
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/****************************************************************************
|
|
* apps/examples/netpkt/netpkt_ethercat.c
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
|
|
#include <net/if.h>
|
|
#include <netinet/ip.h>
|
|
#include <netpacket/packet.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <nuttx/clock.h>
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
static void usage(void)
|
|
{
|
|
printf("usage: netpkt_ethercat [<ifname> [times]]\n");
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
int main(int argc, FAR const char *argv[])
|
|
{
|
|
struct timespec send_time;
|
|
struct timespec recv_time;
|
|
struct sockaddr_ll addr;
|
|
uint8_t sendbuff[60] =
|
|
{
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9c, 0x7f, 0x81, 0x3c, 0x1e, 0x8e,
|
|
0x88, 0xa4, 0x0e, 0x10, 0x07, 0x4a, 0x00, 0x00, 0x30, 0x01, 0x02, 0x00,
|
|
};
|
|
|
|
uint8_t recvbuff[100];
|
|
FAR const char *ifname = "eth0";
|
|
int repeat = 10;
|
|
int num_packets = 0;
|
|
int len;
|
|
int ifindex;
|
|
int sockfd = socket(AF_PACKET, SOCK_RAW, IPPROTO_RAW);
|
|
|
|
if (sockfd == -1)
|
|
{
|
|
perror("ERROR: creating socket failed");
|
|
return -errno;
|
|
}
|
|
|
|
if (argc >= 2)
|
|
{
|
|
ifname = argv[1];
|
|
}
|
|
|
|
ifindex = if_nametoindex(ifname);
|
|
|
|
if (argc >= 3)
|
|
{
|
|
repeat = atoi(argv[2]);
|
|
}
|
|
|
|
if (ifindex == 0)
|
|
{
|
|
printf("Failed to get index of device %s\n", ifname);
|
|
close(sockfd);
|
|
usage();
|
|
return -errno;
|
|
}
|
|
|
|
addr.sll_family = AF_PACKET;
|
|
addr.sll_ifindex = ifindex;
|
|
if (bind(sockfd, (FAR const struct sockaddr *)&addr, sizeof(addr)) < 0)
|
|
{
|
|
perror("ERROR: binding socket failed");
|
|
close(sockfd);
|
|
usage();
|
|
return -errno;
|
|
}
|
|
|
|
for (num_packets = 0; num_packets < repeat; num_packets++)
|
|
{
|
|
clock_gettime(CLOCK_REALTIME, &send_time);
|
|
if (sendto(sockfd, sendbuff, 60, 0, NULL, 0) < 0)
|
|
{
|
|
perror("ERROR: sendto socket failed");
|
|
continue;
|
|
}
|
|
|
|
len = recvfrom(sockfd, recvbuff, 100, 0, NULL, NULL);
|
|
clock_gettime(CLOCK_REALTIME, &recv_time);
|
|
printf("Data recv: %d bytes, spent time %ld ns\n", len,
|
|
(recv_time.tv_sec - send_time.tv_sec) * NSEC_PER_SEC +
|
|
recv_time.tv_nsec - send_time.tv_nsec);
|
|
usleep(1000);
|
|
}
|
|
|
|
close(sockfd);
|
|
|
|
return 0;
|
|
}
|