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sys/shell/commands/sc_lwip_netif.c: add address state

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Add information about the address state (e.g. if it is valid, preferred,
tentative, how many probes have been sent)
This commit is contained in:
Marian Buschsieweke 2022-06-15 16:31:19 +02:00
parent 9827e573c0
commit 3954217fdf
No known key found for this signature in database
GPG Key ID: CB8E3238CE715A94
1 changed files with 27 additions and 4 deletions
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31
sys/shell/commands/sc_lwip_netif.c
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@ -27,7 +27,8 @@
#include "shell.h"
#ifdef MODULE_LWIP_IPV6
static void _netif_list_ipv6(struct netif *netif, int addr_index) {
static void _netif_list_ipv6(struct netif *netif, int addr_index, uint8_t state)
{
printf(" inet6 addr: ");
ip_addr_debug_print(LWIP_DBG_ON, netif_ip_addr6(netif, addr_index));
printf(" scope: ");
@ -40,11 +41,26 @@ static void _netif_list_ipv6(struct netif *netif, int addr_index) {
} else {
printf("unknown");
}
printf(" state:");
if (ip6_addr_istentative(state)) {
printf(" tentative (%u probes send)",
(unsigned)(state & IP6_ADDR_TENTATIVE_COUNT_MASK));
}
if (ip6_addr_isvalid(state)) {
printf(" valid");
}
if (ip6_addr_ispreferred(state)) {
printf(" preferred");
}
if (ip6_addr_isduplicated(state)) {
printf(" duplicated");
}
printf("\n");
}
#endif
static void _netif_list(struct netif *netif) {
static void _netif_list(struct netif *netif)
{
int i;
char name[CONFIG_NETIF_NAMELENMAX];
struct netdev *dev = netif->state;
@ -75,8 +91,15 @@ static void _netif_list(struct netif *netif) {
#ifdef MODULE_LWIP_IPV6
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (netif_ip6_addr_state(netif, i) != IP6_ADDR_INVALID) {
_netif_list_ipv6(netif, i);
uint8_t state = netif_ip6_addr_state(netif, i);
/* Note: !ip_addr_isinvalid() also matches tentative addresses,
* ip_addr_isvalid() would filter them out. We want both valid and
* tentative addresses to aid debugging when an address gets stuck in
* tentative state. _netif_list_ipv6() prints the state (e.g. valid or
* tentative), so users will not confuse tentative addresses with
* valid ones. */
if (!ip6_addr_isinvalid(state)) {
_netif_list_ipv6(netif, i, state);
}
}
#endif