2023-06-20 10:08:24

by Greenman, Gregory

[permalink] [raw]
Subject: [PATCH 14/19] wifi: iwlwifi: mvm: support new flush_sta method

From: Johannes Berg <[email protected]>

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 <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
---
.../net/wireless/intel/iwlwifi/mvm/mac80211.c | 25 +++++++++++++++++++
.../wireless/intel/iwlwifi/mvm/mld-mac80211.c | 1 +
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 ++
3 files changed, 28 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index ebe4163837a0..f083ebda1e83 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -5652,6 +5652,30 @@ void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
}

+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);
+}
+
int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
@@ -6204,6 +6228,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
.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,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
index 636ad2b76428..8b6c641772ee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
@@ -1149,6 +1149,7 @@ const struct ieee80211_ops iwl_mvm_mld_hw_ops = {
.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,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index b575ce2f7146..b83df0631279 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -2659,6 +2659,8 @@ void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw,
struct ieee80211_prep_tx_info *info);
void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop);
+void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
--
2.38.1