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wifi: mac80211: mlme: allow UHR only with MLO

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UHR requires MLO, not just formally but also in order
for the client to understand AP BSS parameter changes,
since the Critical Update Counter is inside the Multi-
Link Element. Require MLO for UHR connections to avoid
otherwise needed complexity such as not enabling any
feature that would require tracking critical updates.

Link: https://patch.msgid.link/20260529102644.43817ce87042.If4562ae9c5ca83339b397d9a344b68631cb17c4a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg committed 2026-06-03 14:11:57 +02:00
1 parent d823fc25ea
commit 29eb4dc882
1 file changed
+1 -1
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net/mac80211/mlme.c
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@@ -389,7 +389,7 @@ ieee80211_determine_ap_chan(struct ieee80211_sub_if_data *sdata,
}
check_uhr:
if (conn->mode < IEEE80211_CONN_MODE_UHR || !uhr_oper)
if (conn->mode < IEEE80211_CONN_MODE_UHR || !uhr_oper || !elems->ml_basic)
return IEEE80211_CONN_MODE_EHT;
if (elems->frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) {