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Add VHT power envelope parsing to ifconfig.

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This commit is contained in:
Adrian Chadd 2016-04-19 05:17:43 +00:00
parent 8ae87993ed
commit 49d1897d12
1 changed files with 36 additions and 1 deletions
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37
sbin/ifconfig/ifieee80211.c
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@ -2572,6 +2572,39 @@ printvhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
}
}
static void
printvhtpwrenv(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
{
printf("%s", tag);
static const char *txpwrmap[] = {
"20",
"40",
"80",
"160",
};
if (verbose) {
const struct ieee80211_ie_vht_txpwrenv *vhtpwr =
(const struct ieee80211_ie_vht_txpwrenv *) ie;
int i, n;
const char *sep = "";
/* Get count; trim at ielen */
n = (vhtpwr->tx_info &
IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK) + 1;
/* Trim at ielen */
if (n > ielen - 3)
n = ielen - 3;
printf("<tx_info 0x%02x pwr:[", vhtpwr->tx_info);
for (i = 0; i < n; i++) {
printf("%s%s:%.2f", sep, txpwrmap[i],
((float) ((int8_t) ie[i+3])) / 2.0);
sep = " ";
}
printf("]>");
}
}
static void
printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
{
@ -3151,7 +3184,6 @@ iename(int elemid)
case IEEE80211_ELEMID_IBSSDFS: return " IBSSDFS";
case IEEE80211_ELEMID_TPC: return " TPC";
case IEEE80211_ELEMID_CCKM: return " CCKM";
case IEEE80211_ELEMID_VHT_PWR_ENV: return " VHTPWRENV";
}
return " ???";
}
@ -3222,6 +3254,9 @@ printies(const u_int8_t *vp, int ielen, int maxcols)
case IEEE80211_ELEMID_VHT_OPMODE:
printvhtinfo(" VHTOPMODE", vp, 2+vp[1], maxcols);
break;
case IEEE80211_ELEMID_VHT_PWR_ENV:
printvhtpwrenv(" VHTPWRENV", vp, 2+vp[1], maxcols);
break;
case IEEE80211_ELEMID_BSSLOAD:
printbssload(" BSSLOAD", vp, 2+vp[1], maxcols);
break;