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D48097.id147997.diff
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D48097.id147997.diff

diff --git a/sys/dev/rtwn/if_rtwn.c b/sys/dev/rtwn/if_rtwn.c
--- a/sys/dev/rtwn/if_rtwn.c
+++ b/sys/dev/rtwn/if_rtwn.c
@@ -1618,6 +1618,16 @@
/* XXX workaround add_channel_list() limitations */
setbit(bands, IEEE80211_MODE_11A);
setbit(bands, IEEE80211_MODE_11NA);
+
+ if (ic->ic_flags_ext & IEEE80211_FEXT_VHT) {
+ device_printf(sc->sc_dev, "%s: enabling 5GHz VHT\n",
+ __func__);
+ setbit(bands, IEEE80211_MODE_VHT_5GHZ);
+ }
+
+ /* Only enable VHT80 if HT40/VHT40 is available */
+ cbw_flags |= sc->sc_ht40 ? NET80211_CBW_FLAG_VHT80 : 0;
+
for (i = 0; i < nitems(sc->chan_num_5ghz); i++) {
if (sc->chan_num_5ghz[i] == 0)
continue;

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