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RIOT/sys/test_utils/netdev_eth_minimal/shell_commands.c
2022-03-24 09:44:52 +01:00

121 lines
2.8 KiB
C

/*
* Copyright (C) 2022 HAW Hamburg
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for
* more details.
*/
/**
* @ingroup test_utils_netdev_eth_minimal
* @{
*
* @file
* @brief Shell commands for netdev Eth minimal test utility module
*
* @author Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "net/ethernet/hdr.h"
#include "net/ethertype.h"
#include "net/l2util.h"
#include "byteorder.h"
#include "shell.h"
#include "iolist.h"
#include "assert.h"
#include "netdev_eth_minimal_internal.h"
#include "init_dev.h"
#define ENABLE_DEBUG 0
#include "debug.h"
int ifconfig_list(int idx)
{
int res;
netdev_t *dev = _devices[idx].dev;
uint8_t addr[ETHERNET_ADDR_LEN];
char addr_str[ETHERNET_ADDR_LEN * 3];
printf("Iface %3d HWaddr: ", idx);
res = dev->driver->get(dev, NETOPT_ADDRESS, addr, sizeof(addr));
assert(res > 0);
l2util_addr_to_str(addr, ETHERNET_ADDR_LEN, addr_str);
printf("%s\n", addr_str);
return 0;
}
int cmd_ifconfig(int argc, char **argv)
{
(void)argc;
(void)argv;
for (unsigned int i = 0; i < NETDEV_ETH_MINIMAL_NUMOF; i++) {
ifconfig_list(i);
}
return 0;
}
static int _print_txtsnd_usage(char *cmd) {
printf("usage: %s <iface> <addr> <text>\n", cmd);
return 1;
}
static int cmd_txtsnd(int argc, char **argv)
{
ethernet_hdr_t header;
int res;
if (4 != argc) {
return _print_txtsnd_usage(argv[0]);
}
int iface = atoi(argv[1]);
if (iface < 0 || (unsigned)iface >= NETDEV_ETH_MINIMAL_NUMOF) {
printf("unknown interface %d\n", iface);
return _print_txtsnd_usage(argv[0]);
}
/* build Ethernet header */
res = l2util_addr_from_str(argv[2], header.dst);
if (!res) {
puts("Could not parse address");
return _print_txtsnd_usage(argv[0]);
}
netdev_t *dev = _devices[iface].dev;
if (!dev) {
return _print_txtsnd_usage(argv[0]);
}
dev->driver->get(dev, NETOPT_ADDRESS, header.src, ETHERNET_ADDR_LEN);
header.type = byteorder_htons(ETHERTYPE_UNKNOWN);
/* prepare iolists to send */
iolist_t io_data = { 0 };
io_data.iol_base = argv[3];
io_data.iol_len = strlen(argv[3]);
iolist_t io_header = { 0 };
io_header.iol_base = &header;
io_header.iol_len = sizeof(ethernet_hdr_t);
io_header.iol_next = &io_data;
/* send */
res = dev->driver->send(dev, &io_header);
if (res < 0) {
puts("txtsnd: Could not send");
return 1;
}
puts("Successfully sent");
return 0;
}
SHELL_COMMAND(txtsnd, "Send an Ethernet frame", cmd_txtsnd);
SHELL_COMMAND(ifconfig, "List interfaces", cmd_ifconfig);