static void list_stations(const char *ifname)
{
uint8_t buf[24 * 1024];
struct iwreq iwr;
uint8_t *cp;
int s, len; s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0)
err(1, "socket(SOCK_DGRAM)");
(void) memset(&iwr, 0, sizeof(iwr));
(void) strncpy(iwr.ifr_name, ifname, sizeof(iwr.ifr_name));
iwr.u.data.pointer = (void *)buf;
iwr.u.data.length = sizeof(buf);
if (ioctl(s, IEEE80211_IOCTL_STA_INFO, &iwr) < 0)
errx(1, "unable to get station information");
len = iwr.u.data.length;
if (len < sizeof(struct ieee80211req_sta_info))
return;
close(s);
printf("%-17.17s %4s %4s %4s %4s %4s %5s %6s %7s %6s %7s %4s %5s %3s %8s %8s\n",
"ADDR", "AID", "CHAN", "RATE", "RSSI", "DBM", "IDLE", "TXSEQ", "TXFRAG",
"RXSEQ", "RXFRAG", "CAPS", "ACAPS", "ERP", "STATE", "MODE");
cp = buf;
do {
struct ieee80211req_sta_info *si;
uint8_t *vp;
si = (struct ieee80211req_sta_info *)cp;
vp = (u_int8_t *)(si+1);
printf("%s %4u %4d %3dM %4d %4d %5d %6d %7d %6d %7d %-4.4s %-5.5s %3x %8x %8s",
ieee80211_ntoa(si->isi_macaddr),
IEEE80211_AID(si->isi_associd),
ieee80211_mhz2ieee(si->isi_freq),
(si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL) / 2,
si->isi_rssi,
rssi2dbm(si->isi_rssi),
si->isi_inact,
(si->isi_txseqs[0] & IEEE80211_SEQ_SEQ_MASK)
>> IEEE80211_SEQ_SEQ_SHIFT,
si->isi_txseqs[0] & IEEE80211_SEQ_FRAG_MASK,
(si->isi_rxseqs[0] & IEEE80211_SEQ_SEQ_MASK)
>> IEEE80211_SEQ_SEQ_SHIFT,
si->isi_rxseqs[0] & IEEE80211_SEQ_FRAG_MASK,
getcaps(si->isi_capinfo),
getathcaps(si->isi_athflags),
si->isi_erp,
si->isi_state,
getstamode(si->isi_opmode));
printies(vp, si->isi_ie_len, 24);
printf("\n");
if (si->isi_uapsd) {
printf(" UAPSD QoSInfo: 0x%02x, ",
si->isi_uapsd);
printf("(VO,VI,BE,BK) = (%d,%d,%d,%d), MaxSpLimit = %s\n",
WME_UAPSD_AC_ENABLED(WME_AC_VO, si->isi_uapsd) ? 1 : 0,
WME_UAPSD_AC_ENABLED(WME_AC_VI, si->isi_uapsd) ? 1 : 0,
WME_UAPSD_AC_ENABLED(WME_AC_BE, si->isi_uapsd) ? 1 : 0,
WME_UAPSD_AC_ENABLED(WME_AC_BK, si->isi_uapsd) ? 1 : 0,
WME_UAPSD_MAXSP(si->isi_uapsd) == 1 ? "2" :
WME_UAPSD_MAXSP(si->isi_uapsd) == 2 ? "4" :
WME_UAPSD_MAXSP(si->isi_uapsd) == 3 ? "6" : "NoLimit");
}
cp += si->isi_len;
len -= si->isi_len;
} while (len >= sizeof(struct ieee80211req_sta_info));
}
Вариант для распечатки
