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shell: ifconfig: add support for IPv6 MTU

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This commit is contained in:
Martine Lenders 2015-08-20 15:37:37 +02:00
parent d88ae14d90
commit 942d774a44
1 changed files with 47 additions and 3 deletions
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50
sys/shell/commands/sc_netif.c
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@ -89,6 +89,11 @@ static void _set_usage(char *cmd_name)
" * \"state\" - set the device state\n");
}
static void _mtu_usage(char *cmd_name)
{
printf("usage: %s <if_id> mtu <n>\n", cmd_name);
}
static void _flag_usage(char *cmd_name)
{
printf("usage: %s <if_id> [-]{promisc|autoack|preload|6lo|iphc}\n", cmd_name);
@ -259,8 +264,11 @@ static void _netif_list(kernel_pid_t dev)
}
#ifdef MODULE_GNRC_IPV6_NETIF
if ((entry != NULL) && (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN)) {
printf("6LO ");
if (entry != NULL) {
printf("MTU:%" PRIu16 " ", entry->mtu);
if (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN) {
printf("6LO ");
}
linebreak = true;
}
#endif
@ -269,7 +277,7 @@ static void _netif_list(kernel_pid_t dev)
gnrc_sixlowpan_netif_t *sixlo_entry = gnrc_sixlowpan_netif_get(dev);
if ((sixlo_entry != NULL) && (sixlo_entry->iphc_enabled)) {
printf("IPHC ");
printf("IPHC ");
linebreak = true;
}
#endif
@ -683,6 +691,33 @@ static int _netif_del(kernel_pid_t dev, char *addr_str)
#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",
IPV6_MIN_MTU, UINT16_MAX);
return 1;
}
if ((entry = gnrc_ipv6_netif_get(dev)) == NULL) {
puts("error: unable to set MTU.");
return 1;
}
entry->mtu = IPV6_MIN_MTU;
printf("success: set MTU %" PRIu16 " 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)
{
@ -777,6 +812,14 @@ int _netif_config(int argc, char **argv)
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]);
}
else {
return _netif_flag(argv[0], dev, argv[2]);
}
@ -789,6 +832,7 @@ int _netif_config(int argc, char **argv)
printf("usage: %s [<if_id>]\n", argv[0]);
_set_usage(argv[0]);
_mtu_usage(argv[0]);
_flag_usage(argv[0]);
_add_usage(argv[0]);
_del_usage(argv[0]);