From: Johannes Berg 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 Reviewed-by: Greenman, Gregory --- --- 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,