tsf is a good indication of AP uptime ...

diff --git a/scan.c b/scan.c
index a47ad81662ba3670a3b97e210a169fa4e51be3a2..2ffdc78a9fa34fffa5f1a51111210e3fe8516883 100644 (file)
--- a/scan.c
+++ b/scan.c
@@ -150,9 +150,13 @@ static int print_bss_handler(struct nl_msg *msg, void *arg)
        if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
        printf("BSS %s (on %s)\n", mac_addr, dev);
 
-       if (bss[NL80211_BSS_TSF])
-               printf("\tTSF: %llu usec\n",
-                       (unsigned long long)nla_get_u64(bss[NL80211_BSS_TSF]));
+       if (bss[NL80211_BSS_TSF]) {
+               unsigned long long tsf;
+               tsf = (unsigned long long)nla_get_u64(bss[NL80211_BSS_TSF]);
+               printf("\tTSF: %llu usec (%llud, %.2lld:%.2llu:%.2llu)\n",
+                       tsf, tsf/1000/1000/60/60/24, (tsf/1000/1000/60/60) % 24,
+                       (tsf/1000/1000/60) % 60, (tsf/1000/1000) % 60);
+       }
        if (bss[NL80211_BSS_FREQUENCY])
                printf("\tfreq: %d\n",
                        nla_get_u32(bss[NL80211_BSS_FREQUENCY]));