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authorJohannes Berg <johannes.berg@intel.com>2022-09-30 12:54:30 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-10-07 15:24:26 +0200
commit69e0d04e2b0b3a6ffdd2794eb65b3daf6ae5cbf7 (patch)
tree4cd61d5ec578526530f708b3bc65ffd5789e9206 /net
parentcb04b5ef855c210a6e8e3e64fae9e2da9100f72e (diff)
wifi: mac80211: prohibit IEEE80211_HT_CAP_DELAY_BA with MLO
This won't work right at least with the code as it is, so at least for now just assume it's never set for MLO. It may very well never change, almost no drivers support it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/main.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 25e72812000e..425793dd7c9c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1087,6 +1087,16 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
channels += sband->n_channels;
+ /*
+ * Due to the way the aggregation code handles this and it
+ * being an HT capability, we can't really support delayed
+ * BA in MLO (yet).
+ */
+ if (WARN_ON(sband->ht_cap.ht_supported &&
+ (sband->ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA) &&
+ hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
+ return -EINVAL;
+
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;