Decode VHTCAP, VHTINFO and BSSLOAD.

BSSLOAD is based on work from Idwer Vollering.

Obtained from:	Idwer Vollering <vidwer@gmail.com> (bssload)

1 files changed, 62 insertions, 0 deletions

diff --git a/sbin/ifconfig/ifieee80211.c b/sbin/ifconfig/ifieee80211.c
index cb86a2556ea5..a2622f1c2301 100644
--- a/sbin/ifconfig/ifieee80211.c
+++ b/sbin/ifconfig/ifieee80211.c
@@ -2534,6 +2534,45 @@ printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
 }
 
 static void
+printvhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
+{
+	printf("%s", tag);
+	if (verbose) {
+		const struct ieee80211_ie_vhtcap *vhtcap =
+		    (const struct ieee80211_ie_vhtcap *) ie;
+		uint32_t vhtcap_info = LE_READ_4(&vhtcap->vht_cap_info);
+
+		printf("<cap 0x%08x", vhtcap_info);
+		printf(" rx_mcs_map 0x%x",
+		    LE_READ_2(&vhtcap->supp_mcs.rx_mcs_map));
+		printf(" rx_highest %d",
+		    LE_READ_2(&vhtcap->supp_mcs.rx_highest) & 0x1fff);
+		printf(" tx_mcs_map 0x%x",
+		    LE_READ_2(&vhtcap->supp_mcs.tx_mcs_map));
+		printf(" tx_highest %d",
+		    LE_READ_2(&vhtcap->supp_mcs.tx_highest) & 0x1fff);
+
+		printf(">");
+	}
+}
+
+static void
+printvhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
+{
+	printf("%s", tag);
+	if (verbose) {
+		const struct ieee80211_ie_vht_operation *vhtinfo =
+		    (const struct ieee80211_ie_vht_operation *) ie;
+
+		printf("<chw %d freq1_idx %d freq2_idx %d basic_mcs_set 0x%04x>",
+		    vhtinfo->chan_width,
+		    vhtinfo->center_freq_seg1_idx,
+		    vhtinfo->center_freq_seg2_idx,
+		    LE_READ_2(&vhtinfo->basic_mcs_set));
+	}
+}
+
+static void
 printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
 {
 	printf("%s", tag);
@@ -2674,6 +2713,20 @@ do {									\
 #undef MATCHOUI
 }
 
+static void
+printbssload(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
+{
+	printf("%s", tag);
+	if (verbose) {
+		const struct ieee80211_bss_load_ie *bssload =
+		    (const struct ieee80211_bss_load_ie *) ie;
+		printf("<sta count %d, chan load %d, aac %d>",
+		    LE_READ_2(&bssload->sta_count),
+		    bssload->chan_load,
+		    bssload->aac);
+	}
+}
+
 static const char *
 wpa_cipher(const u_int8_t *sel)
 {
@@ -3154,6 +3207,15 @@ printies(const u_int8_t *vp, int ielen, int maxcols)
 		case IEEE80211_ELEMID_MESHCONF:
 			printmeshconf(" MESHCONF", vp, 2+vp[1], maxcols);
 			break;
+		case IEEE80211_ELEMID_VHT_CAP:
+			printvhtcap(" VHTCAP", vp, 2+vp[1], maxcols);
+			break;
+		case IEEE80211_ELEMID_VHT_OPMODE:
+			printvhtinfo(" VHTOPMODE", vp, 2+vp[1], maxcols);
+			break;
+		case IEEE80211_ELEMID_BSSLOAD:
+			printbssload(" BSSLOAD", vp, 2+vp[1], maxcols);
+			break;
 		default:
 			if (verbose)
 				printie(iename(vp[0]), vp, 2+vp[1], maxcols);