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authorFelix Fietkau <nbd@nbd.name>2021-06-19 12:15:17 +0200
committerJohannes Berg <johannes.berg@intel.com>2021-06-23 11:29:13 +0200
commite41eb3e408de27982a5f8f50b2dd8002bed96908 (patch)
tree0e6e1fde5c6fac7cf2fd4bc213dc452347056249 /drivers/net/wireless
parent1806239dec0dacde373f0b53f076319f6c6d95cb (diff)
mac80211: remove iwlwifi specific workaround that broke sta NDP tx
Sending nulldata packets is important for sw AP link probing and detecting 4-address mode links. The checks that dropped these packets were apparently added to work around an iwlwifi firmware bug with multi-TID aggregation. Fixes: 41cbb0f5a295 ("mac80211: add support for HE") Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20210619101517.90806-1-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 1ad621d13ad3..0a13c2bda2ee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -1032,6 +1032,9 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_INVALID_STA))
return -1;
+ if (unlikely(ieee80211_is_any_nullfunc(fc)) && sta->he_cap.has_he)
+ return -1;
+
if (unlikely(ieee80211_is_probe_resp(fc)))
iwl_mvm_probe_resp_set_noa(mvm, skb);