mac80211: fix various components for the new 5 and 10 MHz widths

[karo-tx-linux.git] / net / mac80211 / mlme.c

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 87f2d4df31f8ab470bbd9c2de6e8c94bb2e0eb86..e0939eb79060daca8239212e8239241a0d53b381 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -190,6 +190,12 @@ static u32 chandef_downgrade(struct cfg80211_chan_def *c)
                c->width = NL80211_CHAN_WIDTH_20_NOHT;
                ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
                break;
+       case NL80211_CHAN_WIDTH_5:
+       case NL80211_CHAN_WIDTH_10:
+               WARN_ON_ONCE(1);
+               /* keep c->width */
+               ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+               break;
        }
 
        WARN_ON_ONCE(!cfg80211_chandef_valid(c));
@@ -3771,6 +3777,12 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
         */
        ret = ieee80211_vif_use_channel(sdata, &chandef,
                                        IEEE80211_CHANCTX_SHARED);
+
+       /* don't downgrade for 5 and 10 MHz channels, though. */
+       if (chandef.width == NL80211_CHAN_WIDTH_5 ||
+           chandef.width == NL80211_CHAN_WIDTH_10)
+               return ret;
+
        while (ret && chandef.width != NL80211_CHAN_WIDTH_20_NOHT) {
                ifmgd->flags |= chandef_downgrade(&chandef);
                ret = ieee80211_vif_use_channel(sdata, &chandef,