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From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 13 Mar 2023 12:05:35 +0100
Subject: [PATCH] wifi: iwlwifi: mvm: support new flush_sta method
For iwlwifi this is simple to implement, and on newer hardware
it's an improvement since we have per-station queues.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Greenman, Gregory <gregory.greenman@intel.com>
---
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -4890,6 +4890,31 @@ static void iwl_mvm_mac_flush(struct iee
iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
}
+static void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ int i;
+
+ mutex_lock(&mvm->mutex);
+ for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
+ struct iwl_mvm_sta *mvmsta;
+ struct ieee80211_sta *tmp;
+
+ tmp = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
+ lockdep_is_held(&mvm->mutex));
+ if (tmp != sta)
+ continue;
+
+ mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+ if (iwl_mvm_flush_sta(mvm, mvmsta, false))
+ IWL_ERR(mvm, "flush request fail\n");
+ }
+ mutex_unlock(&mvm->mutex);
+}
+
static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
@@ -5417,6 +5442,7 @@ const struct ieee80211_ops iwl_mvm_hw_op
.mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx,
.mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
.flush = iwl_mvm_mac_flush,
+ .flush_sta = iwl_mvm_mac_flush_sta,
.sched_scan_start = iwl_mvm_mac_sched_scan_start,
.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
.set_key = iwl_mvm_mac_set_key,
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