| developer | a143290 | 2023-04-01 04:45:58 +0800 | [diff] [blame] | 1 | From: Johannes Berg <johannes.berg@intel.com> |
| 2 | Date: Mon, 13 Mar 2023 12:05:35 +0100 |
| 3 | Subject: [PATCH] wifi: iwlwifi: mvm: support new flush_sta method |
| 4 | |
| 5 | For iwlwifi this is simple to implement, and on newer hardware |
| 6 | it's an improvement since we have per-station queues. |
| 7 | |
| 8 | Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
| 9 | Reviewed-by: Greenman, Gregory <gregory.greenman@intel.com> |
| 10 | --- |
| 11 | |
| 12 | --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c |
| 13 | +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c |
| 14 | @@ -4853,6 +4853,31 @@ static void iwl_mvm_mac_flush(struct iee |
| 15 | iwl_trans_wait_tx_queues_empty(mvm->trans, msk); |
| 16 | } |
| 17 | |
| 18 | +static void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, |
| 19 | + struct ieee80211_vif *vif, |
| 20 | + struct ieee80211_sta *sta) |
| 21 | +{ |
| 22 | + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| 23 | + int i; |
| 24 | + |
| 25 | + mutex_lock(&mvm->mutex); |
| 26 | + for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { |
| 27 | + struct iwl_mvm_sta *mvmsta; |
| 28 | + struct ieee80211_sta *tmp; |
| 29 | + |
| 30 | + tmp = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
| 31 | + lockdep_is_held(&mvm->mutex)); |
| 32 | + if (tmp != sta) |
| 33 | + continue; |
| 34 | + |
| 35 | + mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| 36 | + |
| 37 | + if (iwl_mvm_flush_sta(mvm, mvmsta, false)) |
| 38 | + IWL_ERR(mvm, "flush request fail\n"); |
| 39 | + } |
| 40 | + mutex_unlock(&mvm->mutex); |
| 41 | +} |
| 42 | + |
| 43 | static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, |
| 44 | struct survey_info *survey) |
| 45 | { |
| 46 | @@ -5366,6 +5391,7 @@ const struct ieee80211_ops iwl_mvm_hw_op |
| 47 | .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, |
| 48 | .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
| 49 | .flush = iwl_mvm_mac_flush, |
| 50 | + .flush_sta = iwl_mvm_mac_flush_sta, |
| 51 | .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
| 52 | .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, |
| 53 | .set_key = iwl_mvm_mac_set_key, |