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RIOT/sys/shell/commands/sc_netif.c

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/*
* Copyright (C) 2015 Freie Universität Berlin
*
* 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 sys_shell_commands
* @{
*
* @file
* @brief Shell commands for interacting with network devices
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
* @author Oliver Hahm <oliver.hahm@inria.fr>
*/
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "thread.h"
#include "net/ipv6/addr.h"
#include "net/gnrc/ipv6/netif.h"
#include "net/gnrc/netif.h"
#include "net/gnrc/netapi.h"
#include "net/netopt.h"
#include "net/gnrc/pkt.h"
#include "net/gnrc/pktbuf.h"
#include "net/gnrc/netif/hdr.h"
#include "net/gnrc/sixlowpan/netif.h"
#ifdef MODULE_NETSTATS
#include "net/netstats.h"
#endif
#ifdef MODULE_L2FILTER
#include "net/l2filter.h"
#endif
/**
* @brief The maximal expected link layer address length in byte
*/
#define MAX_ADDR_LEN (8U)
/**
* @brief The default IPv6 prefix length if not specified.
*/
#define SC_NETIF_IPV6_DEFAULT_PREFIX_LEN (64)
/* utility functions */
static bool _is_number(char *str)
{
for (; *str; str++) {
if (*str < '0' || *str > '9') {
return false;
}
}
return true;
}
static bool _is_iface(kernel_pid_t dev)
{
kernel_pid_t ifs[GNRC_NETIF_NUMOF];
size_t numof = gnrc_netif_get(ifs);
for (size_t i = 0; i < numof && i < GNRC_NETIF_NUMOF; i++) {
if (ifs[i] == dev) {
return true;
}
}
return false;
}
#ifdef MODULE_NETSTATS
const char *_netstats_module_to_str(uint8_t module)
{
switch (module) {
case NETSTATS_LAYER2:
return "Layer 2";
case NETSTATS_IPV6:
return "IPv6";
case NETSTATS_ALL:
return "all";
default:
return "Unknown";
}
}
static int _netif_stats(kernel_pid_t dev, unsigned module, bool reset)
{
netstats_t *stats;
int res = -ENOTSUP;
if (module == NETSTATS_LAYER2) {
res = gnrc_netapi_get(dev, NETOPT_STATS, 0, &stats, sizeof(&stats));
}
#ifdef MODULE_NETSTATS_IPV6
else if (module == NETSTATS_IPV6) {
stats = gnrc_ipv6_netif_get_stats(dev);
if (stats != NULL) {
res = 1;
}
}
#endif
if (res < 0) {
puts(" Protocol or device doesn't provide statistics.");
}
else if (reset) {
memset(stats, 0, sizeof(netstats_t));
printf("Reset statistics for module %s!\n", _netstats_module_to_str(module));
}
else {
printf(" Statistics for %s\n"
" RX packets %u bytes %u\n"
" TX packets %u (Multicast: %u) bytes %u\n"
" TX succeeded %u errors %u\n",
_netstats_module_to_str(module),
(unsigned) stats->rx_count,
(unsigned) stats->rx_bytes,
(unsigned) (stats->tx_unicast_count + stats->tx_mcast_count),
(unsigned) stats->tx_mcast_count,
(unsigned) stats->tx_bytes,
(unsigned) stats->tx_success,
(unsigned) stats->tx_failed);
res = 0;
}
return res;
}
#endif // MODULE_NETSTATS
static void _set_usage(char *cmd_name)
{
printf("usage: %s <if_id> set <key> <value>\n", cmd_name);
puts(" Sets an hardware specific specific value\n"
" <key> may be one of the following\n"
" * \"addr\" - sets (short) address\n"
" * \"addr_long\" - sets long address\n"
" * \"addr_short\" - alias for \"addr\"\n"
" * \"channel\" - sets the frequency channel\n"
" * \"chan\" - alias for \"channel\"\n"
" * \"csma_retries\" - set max. number of channel access attempts\n"
" * \"cca_threshold\" - set ED threshold during CCA in dBm\n"
" * \"nid\" - sets the network identifier (or the PAN ID)\n"
" * \"page\" - set the channel page (IEEE 802.15.4)\n"
" * \"pan\" - alias for \"nid\"\n"
" * \"pan_id\" - alias for \"nid\"\n"
" * \"power\" - TX power in dBm\n"
" * \"retrans\" - max. number of retransmissions\n"
" * \"src_len\" - sets the source address length in byte\n"
" * \"state\" - set the device state\n"
" * \"encrypt\" - set the encryption on-off\n"
" * \"key\" - set the encryption key in hexadecimal format\n");
}
static void _mtu_usage(char *cmd_name)
{
printf("usage: %s <if_id> mtu <n>\n", cmd_name);
}
#ifdef MODULE_GNRC_IPV6_NETIF
static void _hl_usage(char *cmd_name)
{
printf("usage: %s <if_id> hl <n>\n", cmd_name);
}
#endif
static void _flag_usage(char *cmd_name)
{
printf("usage: %s <if_id> [-]{promisc|autoack|ack_req|csma|autocca|cca_threshold|preload|mac_no_sleep|iphc|rtr_adv}\n", cmd_name);
}
static void _add_usage(char *cmd_name)
{
printf("usage: %s <if_id> add [anycast|multicast|unicast] "
"<ipv6_addr>[/prefix_len]\n", cmd_name);
}
static void _del_usage(char *cmd_name)
{
printf("usage: %s <if_id> del <ipv6_addr>\n",
cmd_name);
}
#ifdef MODULE_NETSTATS
static void _stats_usage(char *cmd_name)
{
printf("usage: %s <if_id> stats [l2|ipv6] [reset]\n", cmd_name);
puts(" reset can be only used if the module is specified.");
}
#endif
static void _print_netopt(netopt_t opt)
{
switch (opt) {
case NETOPT_ADDRESS:
printf("(short) address");
break;
case NETOPT_ADDRESS_LONG:
printf("long address");
break;
case NETOPT_SRC_LEN:
printf("source address length");
break;
case NETOPT_CHANNEL:
printf("channel");
break;
case NETOPT_CHANNEL_PAGE:
printf("page");
break;
case NETOPT_NID:
printf("network identifier");
break;
case NETOPT_TX_POWER:
printf("TX power [in dBm]");
break;
case NETOPT_RETRANS:
printf("max. retransmissions");
break;
case NETOPT_CSMA_RETRIES:
printf("CSMA retries");
break;
case NETOPT_CCA_THRESHOLD:
printf("CCA threshold [in dBm]");
break;
case NETOPT_ENCRYPTION:
printf("encryption");
break;
case NETOPT_ENCRYPTION_KEY:
printf("encryption key");
break;
default:
/* we don't serve these options here */
break;
}
}
static void _print_netopt_state(netopt_state_t state)
{
switch (state) {
case NETOPT_STATE_OFF:
printf("OFF");
break;
case NETOPT_STATE_SLEEP:
printf("SLEEP");
break;
case NETOPT_STATE_STANDBY:
printf("STANDBY");
break;
case NETOPT_STATE_IDLE:
printf("IDLE");
break;
case NETOPT_STATE_RX:
printf("RX");
break;
case NETOPT_STATE_TX:
printf("TX");
break;
case NETOPT_STATE_RESET:
printf("RESET");
break;
default:
printf("%08x", (unsigned int)state);
/* nothing to do then */
break;
}
}
static void _netif_list(kernel_pid_t dev)
{
uint8_t hwaddr[MAX_ADDR_LEN];
uint16_t u16;
int16_t i16;
uint8_t u8;
int res;
netopt_state_t state;
netopt_enable_t enable = NETOPT_DISABLE;
bool linebreak = false;
#ifdef MODULE_GNRC_IPV6_NETIF
gnrc_ipv6_netif_t *entry = gnrc_ipv6_netif_get(dev);
char ipv6_addr[IPV6_ADDR_MAX_STR_LEN];
#endif
printf("Iface %2d ", dev);
res = gnrc_netapi_get(dev, NETOPT_ADDRESS, 0, hwaddr, sizeof(hwaddr));
if (res >= 0) {
char hwaddr_str[res * 3];
printf(" HWaddr: ");
printf("%s", gnrc_netif_addr_to_str(hwaddr_str, sizeof(hwaddr_str),
hwaddr, res));
printf(" ");
}
res = gnrc_netapi_get(dev, NETOPT_CHANNEL, 0, &u16, sizeof(u16));
if (res >= 0) {
printf(" Channel: %" PRIu16 " ", u16);
}
res = gnrc_netapi_get(dev, NETOPT_CHANNEL_PAGE, 0, &u16, sizeof(u16));
if (res >= 0) {
printf(" Page: %" PRIu16 " ", u16);
}
res = gnrc_netapi_get(dev, NETOPT_NID, 0, &u16, sizeof(u16));
if (res >= 0) {
printf(" NID: 0x%" PRIx16, u16);
}
printf("\n ");
res = gnrc_netapi_get(dev, NETOPT_ADDRESS_LONG, 0, hwaddr, sizeof(hwaddr));
if (res >= 0) {
char hwaddr_str[res * 3];
printf("Long HWaddr: ");
printf("%s ", gnrc_netif_addr_to_str(hwaddr_str, sizeof(hwaddr_str),
hwaddr, res));
linebreak = true;
}
if (linebreak) {
printf("\n ");
}
res = gnrc_netapi_get(dev, NETOPT_TX_POWER, 0, &i16, sizeof(i16));
if (res >= 0) {
printf(" TX-Power: %" PRIi16 "dBm ", i16);
}
res = gnrc_netapi_get(dev, NETOPT_STATE, 0, &state, sizeof(state));
if (res >= 0) {
printf(" State: ");
_print_netopt_state(state);
printf(" ");
}
res = gnrc_netapi_get(dev, NETOPT_RETRANS, 0, &u8, sizeof(u8));
if (res >= 0) {
printf(" max. Retrans.: %u ", (unsigned)u8);
}
res = gnrc_netapi_get(dev, NETOPT_CSMA_RETRIES, 0, &u8, sizeof(u8));
if (res >= 0) {
res = gnrc_netapi_get(dev, NETOPT_CSMA, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf(" CSMA Retries: %u ", (unsigned)u8);
}
}
printf("\n ");
res = gnrc_netapi_get(dev, NETOPT_PROMISCUOUSMODE, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("PROMISC ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_AUTOACK, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("AUTOACK ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_ACK_REQ, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("ACK_REQ ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_PRELOADING, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("PRELOAD ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_RAWMODE, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("RAWMODE ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_CSMA, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("CSMA ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_AUTOCCA, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("AUTOCCA ");
linebreak = true;
}
res = gnrc_netapi_get(dev, NETOPT_MAC_NO_SLEEP, 0, &enable, sizeof(enable));
if ((res >= 0) && (enable == NETOPT_ENABLE)) {
printf("MAC_NO_SLEEP ");
linebreak = true;
}
#ifdef MODULE_GNRC_IPV6_NETIF
if (entry != NULL) {
printf("MTU:%" PRIu16 " ", entry->mtu);
printf("HL:%u ", (unsigned)entry->cur_hl);
if (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN) {
printf("6LO ");
}
if (entry->flags & GNRC_IPV6_NETIF_FLAGS_ROUTER) {
printf("RTR ");
}
if (entry->flags & GNRC_IPV6_NETIF_FLAGS_RTR_ADV) {
printf("RTR_ADV ");
}
linebreak = true;
}
#endif
#if defined(MODULE_GNRC_SIXLOWPAN_NETIF) && defined(MODULE_GNRC_SIXLOWPAN_IPHC)
gnrc_sixlowpan_netif_t *sixlo_entry = gnrc_sixlowpan_netif_get(dev);
if ((sixlo_entry != NULL) && (sixlo_entry->iphc_enabled)) {
printf("IPHC ");
linebreak = true;
}
#endif
if (linebreak) {
printf("\n ");
}
res = gnrc_netapi_get(dev, NETOPT_SRC_LEN, 0, &u16, sizeof(u16));
if (res >= 0) {
printf("Source address length: %" PRIu16 "\n ", u16);
}
#ifdef MODULE_GNRC_IPV6_NETIF
if (entry == NULL) {
puts("");
return;
}
printf("Link type: %s", (entry->flags & GNRC_IPV6_NETIF_FLAGS_IS_WIRED) ?
"wired" : "wireless");
printf("\n ");
for (int i = 0; i < GNRC_IPV6_NETIF_ADDR_NUMOF; i++) {
if (!ipv6_addr_is_unspecified(&entry->addrs[i].addr)) {
printf("inet6 addr: ");
if (ipv6_addr_to_str(ipv6_addr, &entry->addrs[i].addr,
IPV6_ADDR_MAX_STR_LEN)) {
printf("%s/%u scope: ", ipv6_addr, (unsigned)entry->addrs[i].prefix_len);
if ((ipv6_addr_is_link_local(&entry->addrs[i].addr))) {
printf("local");
}
else {
printf("global");
}
if (entry->addrs[i].flags & GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST) {
if (ipv6_addr_is_multicast(&entry->addrs[i].addr)) {
printf(" [multicast]");
}
else {
printf(" [anycast]");
}
}
}
else {
printf("error in conversion");
}
printf("\n ");
}
}
#endif
#ifdef MODULE_L2FILTER
l2filter_t *filter = NULL;
res = gnrc_netapi_get(dev, NETOPT_L2FILTER, 0, &filter, sizeof(filter));
if (res > 0) {
#ifdef MODULE_L2FILTER_WHITELIST
puts("\n White-listed link layer addresses:");
#else
puts("\n Black-listed link layer addresses:");
#endif
int count = 0;
for (unsigned i = 0; i < L2FILTER_LISTSIZE; i++) {
if (filter[i].addr_len > 0) {
char hwaddr_str[filter[i].addr_len * 3];
gnrc_netif_addr_to_str(hwaddr_str, sizeof(hwaddr_str),
filter[i].addr, filter[i].addr_len);
printf(" %2i: %s\n", count++, hwaddr_str);
}
}
if (count == 0) {
puts(" --- none ---");
}
}
#endif
#ifdef MODULE_NETSTATS_L2
puts("");
_netif_stats(dev, NETSTATS_LAYER2, false);
#endif
#ifdef MODULE_NETSTATS_IPV6
_netif_stats(dev, NETSTATS_IPV6, false);
#endif
puts("");
}
static int _netif_set_u16(kernel_pid_t dev, netopt_t opt, char *u16_str)
{
unsigned int res;
bool hex = false;
if (_is_number(u16_str)) {
if ((res = strtoul(u16_str, NULL, 10)) == ULONG_MAX) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
}
else {
if ((res = strtoul(u16_str, NULL, 16)) == ULONG_MAX) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
hex = true;
}
if (res > 0xffff) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
if (gnrc_netapi_set(dev, opt, 0, (uint16_t *)&res, sizeof(uint16_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to ", dev);
if (hex) {
printf("0x%04x\n", res);
}
else {
printf("%u\n", res);
}
return 0;
}
static int _netif_set_i16(kernel_pid_t dev, netopt_t opt, char *i16_str)
{
int16_t val = atoi(i16_str);
if (gnrc_netapi_set(dev, opt, 0, (int16_t *)&val, sizeof(int16_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %i\n", dev, val);
return 0;
}
static int _netif_set_u8(kernel_pid_t dev, netopt_t opt, char *u8_str)
{
uint8_t val = atoi(u8_str);
if (gnrc_netapi_set(dev, opt, 0, (uint8_t *)&val, sizeof(uint8_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %i\n", dev, val);
return 0;
}
static int _netif_set_flag(kernel_pid_t dev, netopt_t opt,
netopt_enable_t set)
{
if (gnrc_netapi_set(dev, opt, 0, &set, sizeof(netopt_enable_t)) < 0) {
puts("error: unable to set option");
return 1;
}
printf("success: %sset option\n", (set) ? "" : "un");
return 0;
}
static int _netif_set_addr(kernel_pid_t dev, netopt_t opt, char *addr_str)
{
uint8_t addr[MAX_ADDR_LEN];
size_t addr_len = gnrc_netif_addr_from_str(addr, sizeof(addr), addr_str);
if (addr_len == 0) {
puts("error: unable to parse address.\n"
"Must be of format [0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*\n"
"(hex pairs delimited by colons)");
return 1;
}
if (gnrc_netapi_set(dev, opt, 0, addr, addr_len) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %s\n", dev, addr_str);
return 0;
}
static int _netif_set_state(kernel_pid_t dev, char *state_str)
{
netopt_state_t state;
if ((strcmp("off", state_str) == 0) || (strcmp("OFF", state_str) == 0)) {
state = NETOPT_STATE_OFF;
}
else if ((strcmp("sleep", state_str) == 0) ||
(strcmp("SLEEP", state_str) == 0)) {
state = NETOPT_STATE_SLEEP;
}
else if ((strcmp("idle", state_str) == 0) ||
(strcmp("IDLE", state_str) == 0)) {
state = NETOPT_STATE_IDLE;
}
else if ((strcmp("reset", state_str) == 0) ||
(strcmp("RESET", state_str) == 0)) {
state = NETOPT_STATE_RESET;
}
else if ((strcmp("standby", state_str) == 0) ||
(strcmp("STANDBY", state_str) == 0)) {
state = NETOPT_STATE_STANDBY;
}
else {
puts("usage: ifconfig <if_id> set state [off|sleep|idle|reset|standby]");
return 1;
}
if (gnrc_netapi_set(dev, NETOPT_STATE, 0,
&state, sizeof(netopt_state_t)) < 0) {
printf("error: unable to set state to ");
_print_netopt_state(state);
puts("");
return 1;
}
printf("success: set state of interface %" PRIkernel_pid " to ", dev);
_print_netopt_state(state);
puts("");
return 0;
}
static int _netif_set_encrypt(kernel_pid_t dev, netopt_t opt, char *encrypt_str)
{
netopt_enable_t set;
size_t size = 1;
if ((strcmp("on", encrypt_str) == 0) || (strcmp("ON", encrypt_str) == 0)) {
set = NETOPT_ENABLE;
}
else if ((strcmp("off", encrypt_str) == 0) || (strcmp("OFF", encrypt_str) == 0)) {
set = NETOPT_DISABLE;
}
else {
puts("usage: ifconfig <if_id> set encryption [on|off]");
return 1;
}
if (gnrc_netapi_set(dev, opt, 0, &set, size) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %s\n", dev, encrypt_str);
return 0;
}
static int _hex_to_int(char c) {
if ('0' <= c && c <= '9') {
return c - '0';
}
else if ('a' <= c && c <= 'f') {
return c - 'a';
}
else if ('A' <= c && c <= 'F') {
return c - 'A';
}
else {
return -1;
}
}
static int _netif_set_encrypt_key(kernel_pid_t dev, netopt_t opt, char *key_str)
{
size_t str_len = strlen(key_str);
size_t key_len = str_len / 2;
uint8_t key[key_len];
if (str_len == 14U) {
printf("\nNotice: setting 56 bit key.");
}
else if (str_len == 16U) {
printf("\nNotice: setting 64 bit key.");
}
else if (str_len == 32U) {
printf("\nNotice: setting 128 bit key.");
}
else if (str_len == 48U) {
printf("\nNotice: setting 192 bit key.");
}
else if (str_len == 64U) {
printf("\nNotice: setting 256 bit key.");
}
else if (str_len == 128U) {
printf("\nNotice: setting 512 bit key.");
}
else {
printf("error: invalid key size.\n");
return 1;
}
/* Convert any char from ASCII table in hex format */
for (size_t i = 0; i < str_len; i += 2) {
int i1 = _hex_to_int(key_str[i]);
int i2 = _hex_to_int(key_str[i + 1]);
if (i1 == -1 || i2 == -1) {
puts("error: unable to parse key");
return 1;
}
key[i / 2] = (uint8_t)((i1 << 4) + i2);
}
if (gnrc_netapi_set(dev, opt, 0, key, key_len) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to \n", dev);
for (size_t i = 0; i < key_len; i++) {
/* print the hex value of the key */
printf("%02x", key[i]);
}
puts("");
return 0;
}
#ifdef MODULE_L2FILTER
static int _netif_addrm_l2filter(kernel_pid_t dev, char *val, bool add)
{
uint8_t addr[MAX_ADDR_LEN];
size_t addr_len = gnrc_netif_addr_from_str(addr, sizeof(addr), val);
if ((addr_len == 0) || (addr_len > L2FILTER_ADDR_MAXLEN)) {
puts("error: given address is invalid");
return 1;
}
if (add) {
if (gnrc_netapi_set(dev, NETOPT_L2FILTER, 0, addr, addr_len) < 0) {
puts("unable to add link layer address to filter");
return 1;
}
puts("successfully added address to filter");
}
else {
if (gnrc_netapi_set(dev, NETOPT_L2FILTER_RM, 0, addr, addr_len) < 0) {
puts("unable to remove link layer address from filter");
return 1;
}
puts("successfully removed address to filter");
}
return 0;
}
static void _l2filter_usage(const char *cmd)
{
printf("usage: %s <if_id> l2filter {add|del} <addr>\n", cmd);
}
#endif
static int _netif_set(char *cmd_name, kernel_pid_t dev, char *key, char *value)
{
if ((strcmp("addr", key) == 0) || (strcmp("addr_short", key) == 0)) {
return _netif_set_addr(dev, NETOPT_ADDRESS, value);
}
else if (strcmp("addr_long", key) == 0) {
return _netif_set_addr(dev, NETOPT_ADDRESS_LONG, value);
}
else if ((strcmp("channel", key) == 0) || (strcmp("chan", key) == 0)) {
return _netif_set_u16(dev, NETOPT_CHANNEL, value);
}
else if (strcmp("page", key) == 0) {
return _netif_set_u16(dev, NETOPT_CHANNEL_PAGE, value);
}
else if ((strcmp("nid", key) == 0) || (strcmp("pan", key) == 0) ||
(strcmp("pan_id", key) == 0)) {
return _netif_set_u16(dev, NETOPT_NID, value);
}
else if (strcmp("power", key) == 0) {
return _netif_set_i16(dev, NETOPT_TX_POWER, value);
}
else if (strcmp("src_len", key) == 0) {
return _netif_set_u16(dev, NETOPT_SRC_LEN, value);
}
else if (strcmp("state", key) == 0) {
return _netif_set_state(dev, value);
}
else if (strcmp("retrans", key) == 0) {
return _netif_set_u8(dev, NETOPT_RETRANS, value);
}
else if (strcmp("csma_retries", key) == 0) {
return _netif_set_u8(dev, NETOPT_CSMA_RETRIES, value);
}
else if (strcmp("cca_threshold", key) == 0) {
return _netif_set_u8(dev, NETOPT_CCA_THRESHOLD, value);
}
else if (strcmp("encrypt", key) == 0) {
return _netif_set_encrypt(dev, NETOPT_ENCRYPTION, value);
}
else if (strcmp("key", key) == 0) {
return _netif_set_encrypt_key(dev, NETOPT_ENCRYPTION_KEY, value);
}
_set_usage(cmd_name);
return 1;
}
static int _netif_flag(char *cmd, kernel_pid_t dev, char *flag)
{
netopt_enable_t set = NETOPT_ENABLE;
if (flag[0] == '-') {
set = NETOPT_DISABLE;
flag++;
}
if (strcmp(flag, "promisc") == 0) {
return _netif_set_flag(dev, NETOPT_PROMISCUOUSMODE, set);
}
else if (strcmp(flag, "preload") == 0) {
return _netif_set_flag(dev, NETOPT_PRELOADING, set);
}
else if (strcmp(flag, "autoack") == 0) {
return _netif_set_flag(dev, NETOPT_AUTOACK, set);
}
else if (strcmp(flag, "ack_req") == 0) {
return _netif_set_flag(dev, NETOPT_ACK_REQ, set);
}
else if (strcmp(flag, "raw") == 0) {
return _netif_set_flag(dev, NETOPT_RAWMODE, set);
}
else if (strcmp(flag, "csma") == 0) {
return _netif_set_flag(dev, NETOPT_CSMA, set);
}
else if (strcmp(flag, "autocca") == 0) {
return _netif_set_flag(dev, NETOPT_AUTOCCA, set);
}
else if (strcmp(flag, "mac_no_sleep") == 0) {
return _netif_set_flag(dev, NETOPT_MAC_NO_SLEEP, set);
}
else if (strcmp(flag, "iphc") == 0) {
#if defined(MODULE_GNRC_SIXLOWPAN_NETIF) && defined(MODULE_GNRC_SIXLOWPAN_IPHC)
gnrc_sixlowpan_netif_t *entry = gnrc_sixlowpan_netif_get(dev);
if (entry == NULL) {
puts("error: unable to (un)set IPHC");
return 1;
}
if (set) {
entry->iphc_enabled = true;
printf("success: enable IPHC on interface %" PRIkernel_pid "\n", dev);
}
else {
entry->iphc_enabled = false;
printf("success: disable IPHC on interface %" PRIkernel_pid "\n", dev);
}
return 0;
#else
puts("error: unable to (un)set IPHC.");
return 1;
#endif
}
else if (strcmp(flag, "rtr_adv") == 0) {
#if defined(MODULE_GNRC_NDP_ROUTER) || defined(MODULE_GNRC_SIXLOWPAN_ND_ROUTER)
gnrc_ipv6_netif_t *entry = gnrc_ipv6_netif_get(dev);
if (entry == NULL) {
puts("error: unable to (un)set router advertisement flag.");
return 1;
}
if (set) {
gnrc_ipv6_netif_set_rtr_adv(entry, true);
printf("success: enable router advertisements on interface %" PRIkernel_pid "\n", dev);
}
else {
gnrc_ipv6_netif_set_rtr_adv(entry, false);
printf("success: disable router advertisements on interface %" PRIkernel_pid "\n",
dev);
}
return 0;
#else
puts("error: unable to (un)set router advertisement flag.");
return 1;
#endif
}
_flag_usage(cmd);
return 1;
}
#ifdef MODULE_GNRC_IPV6_NETIF
static uint8_t _get_prefix_len(char *addr)
{
int prefix_len = ipv6_addr_split(addr, '/', SC_NETIF_IPV6_DEFAULT_PREFIX_LEN);
if ((prefix_len < 1) || (prefix_len > IPV6_ADDR_BIT_LEN)) {
prefix_len = SC_NETIF_IPV6_DEFAULT_PREFIX_LEN;
}
return prefix_len;
}
#endif
static int _netif_add(char *cmd_name, kernel_pid_t dev, int argc, char **argv)
{
#ifdef MODULE_GNRC_IPV6_NETIF
enum {
_UNICAST = 0,
_MULTICAST, /* multicast value just to check if given addr is mc */
_ANYCAST
} type = _UNICAST;
char *addr_str = argv[0];
ipv6_addr_t addr;
ipv6_addr_t *ifaddr;
uint8_t prefix_len, flags = 0;
if (argc > 1) {
if (strcmp(argv[0], "anycast") == 0) {
type = _ANYCAST;
addr_str = argv[1];
}
else if (strcmp(argv[0], "multicast") == 0) {
type = _MULTICAST;
addr_str = argv[1];
}
else if (strcmp(argv[0], "unicast") == 0) {
/* type already set to unicast */
addr_str = argv[1];
}
else {
_add_usage(cmd_name);
return 1;
}
}
prefix_len = _get_prefix_len(addr_str);
if (ipv6_addr_from_str(&addr, addr_str) == NULL) {
puts("error: unable to parse IPv6 address.");
return 1;
}
if ((argc > 1) && (ipv6_addr_is_multicast(&addr)) && (type != _MULTICAST)) {
puts("error: address was not a multicast address.");
return 1;
}
flags = GNRC_IPV6_NETIF_ADDR_FLAGS_NDP_AUTO;
if (type == _ANYCAST) {
flags |= GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST;
}
else {
flags |= GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST;
}
if ((ifaddr = gnrc_ipv6_netif_add_addr(dev, &addr, prefix_len, flags)) == NULL) {
printf("error: unable to add IPv6 address\n");
return 1;
}
/* Address shall be valid infinitely */
gnrc_ipv6_netif_addr_get(ifaddr)->valid = UINT32_MAX;
/* Address shall be preferred infinitely */
gnrc_ipv6_netif_addr_get(ifaddr)->preferred = UINT32_MAX;
printf("success: added %s/%d to interface %" PRIkernel_pid "\n", addr_str,
prefix_len, dev);
return 0;
#else
(void)cmd_name;
(void)dev;
(void)argc;
(void)argv;
puts("error: unable to add IPv6 address.");
return 1;
#endif
}
static int _netif_del(kernel_pid_t dev, char *addr_str)
{
#ifdef MODULE_GNRC_IPV6_NETIF
ipv6_addr_t addr;
if (ipv6_addr_from_str(&addr, addr_str) == NULL) {
puts("error: unable to parse IPv6 address.");
return 1;
}
gnrc_ipv6_netif_remove_addr(dev, &addr);
printf("success: removed %s to interface %" PRIkernel_pid "\n", addr_str,
dev);
return 0;
#else
(void)dev;
(void)addr_str;
puts("error: unable to delete IPv6 address.");
return 1;
#endif
}
static int _netif_mtu(kernel_pid_t dev, char *mtu_str)
{
#ifdef MODULE_GNRC_IPV6_NETIF
int mtu;
gnrc_ipv6_netif_t *entry;
if (((mtu = atoi(mtu_str)) < IPV6_MIN_MTU) || (mtu > UINT16_MAX)) {
printf("error: MTU must be between %" PRIu16 " and %" PRIu16 "\n",
(uint16_t)IPV6_MIN_MTU, (uint16_t)UINT16_MAX);
return 1;
}
if ((entry = gnrc_ipv6_netif_get(dev)) == NULL) {
puts("error: unable to set MTU.");
return 1;
}
entry->mtu = mtu;
printf("success: set MTU %u interface %" PRIkernel_pid "\n", mtu,
dev);
return 0;
#else
(void)dev;
(void)mtu_str;
puts("error: unable to set MTU.");
return 1;
#endif
}
/* shell commands */
int _netif_send(int argc, char **argv)
{
kernel_pid_t dev;
uint8_t addr[MAX_ADDR_LEN];
size_t addr_len;
gnrc_pktsnip_t *pkt, *hdr;
gnrc_netif_hdr_t *nethdr;
uint8_t flags = 0x00;
if (argc < 4) {
printf("usage: %s <if> [<L2 addr>|bcast] <data>\n", argv[0]);
return 1;
}
/* parse interface */
dev = atoi(argv[1]);
if (!_is_iface(dev)) {
puts("error: invalid interface given");
return 1;
}
/* parse address */
addr_len = gnrc_netif_addr_from_str(addr, sizeof(addr), argv[2]);
if (addr_len == 0) {
if (strcmp(argv[2], "bcast") == 0) {
flags |= GNRC_NETIF_HDR_FLAGS_BROADCAST;
}
else {
puts("error: invalid address given");
return 1;
}
}
/* put packet together */
pkt = gnrc_pktbuf_add(NULL, argv[3], strlen(argv[3]), GNRC_NETTYPE_UNDEF);
if (pkt == NULL) {
puts("error: packet buffer full");
return 1;
}
hdr = gnrc_netif_hdr_build(NULL, 0, addr, addr_len);
if (hdr == NULL) {
puts("error: packet buffer full");
gnrc_pktbuf_release(pkt);
return 1;
}
LL_PREPEND(pkt, hdr);
nethdr = (gnrc_netif_hdr_t *)hdr->data;
nethdr->flags = flags;
/* and send it */
if (gnrc_netapi_send(dev, pkt) < 1) {
puts("error: unable to send");
gnrc_pktbuf_release(pkt);
return 1;
}
return 0;
}
int _netif_config(int argc, char **argv)
{
if (argc < 2) {
kernel_pid_t ifs[GNRC_NETIF_NUMOF];
size_t numof = gnrc_netif_get(ifs);
for (size_t i = 0; i < numof && i < GNRC_NETIF_NUMOF; i++) {
_netif_list(ifs[i]);
}
return 0;
}
else if (_is_number(argv[1])) {
kernel_pid_t dev = atoi(argv[1]);
if (_is_iface(dev)) {
if (argc < 3) {
_netif_list(dev);
return 0;
}
else if (strcmp(argv[2], "set") == 0) {
if (argc < 5) {
_set_usage(argv[0]);
return 1;
}
return _netif_set(argv[0], dev, argv[3], argv[4]);
}
else if (strcmp(argv[2], "add") == 0) {
if (argc < 4) {
_add_usage(argv[0]);
return 1;
}
return _netif_add(argv[0], (kernel_pid_t)dev, argc - 3, argv + 3);
}
else if (strcmp(argv[2], "del") == 0) {
if (argc < 4) {
_del_usage(argv[0]);
return 1;
}
return _netif_del((kernel_pid_t)dev, argv[3]);
}
else if (strcmp(argv[2], "mtu") == 0) {
if (argc < 4) {
_mtu_usage(argv[0]);
return 1;
}
return _netif_mtu((kernel_pid_t)dev, argv[3]);
}
#ifdef MODULE_L2FILTER
else if (strcmp(argv[2], "l2filter") == 0) {
if (argc < 5) {
_l2filter_usage(argv[2]);
}
else if (strcmp(argv[3], "add") == 0) {
return _netif_addrm_l2filter(dev, argv[4], true);
}
else if (strcmp(argv[3], "del") == 0) {
return _netif_addrm_l2filter(dev, argv[4], false);
}
else {
_l2filter_usage(argv[2]);
}
return 1;
}
#endif
#ifdef MODULE_NETSTATS
else if (strcmp(argv[2], "stats") == 0) {
uint8_t module;
bool reset = false;
/* check for requested module */
if ((argc == 3) || (strcmp(argv[3], "all") == 0)) {
module = NETSTATS_ALL;
}
else if (strcmp(argv[3], "l2") == 0) {
module = NETSTATS_LAYER2;
}
else if (strcmp(argv[3], "ipv6") == 0) {
module = NETSTATS_IPV6;
}
else {
printf("Module %s doesn't exist or does not provide statistics.\n", argv[3]);
return 0;
}
/* check if reset flag was given */
if ((argc > 4) && (strncmp(argv[4], "reset", 5) == 0)) {
reset = true;
}
if (module & NETSTATS_LAYER2) {
_netif_stats((kernel_pid_t) dev, NETSTATS_LAYER2, reset);
}
if (module & NETSTATS_IPV6) {
_netif_stats((kernel_pid_t) dev, NETSTATS_IPV6, reset);
}
return 1;
}
#endif
#ifdef MODULE_GNRC_IPV6_NETIF
else if (strcmp(argv[2], "hl") == 0) {
if (argc < 4) {
_hl_usage(argv[0]);
return 1;
}
int hl;
gnrc_ipv6_netif_t *entry;
if (((hl = atoi(argv[3])) < 0) || (hl > UINT8_MAX)) {
printf("error: Hop limit must be between %" PRIu16 " and %" PRIu16 "\n",
(uint16_t)0, (uint16_t)UINT16_MAX);
return 1;
}
if ((entry = gnrc_ipv6_netif_get(dev)) == NULL) {
puts("error: unable to set hop limit.");
return 1;
}
entry->cur_hl = hl;
printf("success: set hop limit %u interface %" PRIkernel_pid "\n", hl, dev);
return 0;
}
#endif
else {
return _netif_flag(argv[0], dev, argv[2]);
}
}
else {
puts("error: invalid interface given");
return 1;
}
}
printf("usage: %s [<if_id>]\n", argv[0]);
_set_usage(argv[0]);
_mtu_usage(argv[0]);
#ifdef MODULE_GNRC_IPV6_NETIF
_hl_usage(argv[0]);
#endif
_flag_usage(argv[0]);
_add_usage(argv[0]);
_del_usage(argv[0]);
#ifdef MODULE_L2FILTER
_l2filter_usage(argv[0]);
#endif
#ifdef MODULE_NETSTATS
_stats_usage(argv[0]);
#endif
return 1;
}
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