4 files changed, 63 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index a984171e4a08..97e5a0ccd233 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -266,6 +266,7 @@ struct ath12k_vif {
 	u8 tx_encap_type;
 	u8 vdev_stats_id;
 	u32 punct_bitmap;
+	bool ps;
 };
 
 struct ath12k_vif_iter {
diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c
index a9adb547c83d..6e2242a79a2f 100644
--- a/drivers/net/wireless/ath/ath12k/hw.c
+++ b/drivers/net/wireless/ath/ath12k/hw.c
@@ -918,6 +918,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.max_mlo_peer = 256,
 
 		.otp_board_id_register = QCN9274_QFPROM_RAW_RFA_PDET_ROW13_LSB,
+
+		.supports_sta_ps = false,
 	},
 	{
 		.name = "wcn7850 hw2.0",
@@ -986,6 +988,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.max_mlo_peer = 32,
 
 		.otp_board_id_register = 0,
+
+		.supports_sta_ps = true,
 	},
 	{
 		.name = "qcn9274 hw2.0",
@@ -1052,6 +1056,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 		.max_mlo_peer = 256,
 
 		.otp_board_id_register = QCN9274_QFPROM_RAW_RFA_PDET_ROW13_LSB,
+
+		.supports_sta_ps = false,
 	},
 };
 
diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h
index 2e9c3b05d75a..87965980b938 100644
--- a/drivers/net/wireless/ath/ath12k/hw.h
+++ b/drivers/net/wireless/ath/ath12k/hw.h
@@ -209,6 +209,8 @@ struct ath12k_hw_params {
 	u16 max_mlo_peer;
 
 	u32 otp_board_id_register;
+
+	bool supports_sta_ps;
 };
 
 struct ath12k_hw_ops {
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 6ef55876e7df..fb5bf500ed87 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -2510,12 +2510,60 @@ static int ath12k_mac_fils_discovery(struct ath12k_vif *arvif,
 	return ret;
 }
 
+static void ath12k_mac_vif_setup_ps(struct ath12k_vif *arvif)
+{
+	struct ath12k *ar = arvif->ar;
+	struct ieee80211_vif *vif = arvif->vif;
+	struct ieee80211_conf *conf = &ath12k_ar_to_hw(ar)->conf;
+	enum wmi_sta_powersave_param param;
+	enum wmi_sta_ps_mode psmode;
+	int ret;
+	int timeout;
+	bool enable_ps;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	if (vif->type != NL80211_IFTYPE_STATION)
+		return;
+
+	enable_ps = arvif->ps;
+	if (enable_ps) {
+		psmode = WMI_STA_PS_MODE_ENABLED;
+		param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
+
+		timeout = conf->dynamic_ps_timeout;
+		if (timeout == 0) {
+			/* firmware doesn't like 0 */
+			timeout = ieee80211_tu_to_usec(vif->bss_conf.beacon_int) / 1000;
+		}
+
+		ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
+						  timeout);
+		if (ret) {
+			ath12k_warn(ar->ab, "failed to set inactivity time for vdev %d: %i\n",
+				    arvif->vdev_id, ret);
+			return;
+		}
+	} else {
+		psmode = WMI_STA_PS_MODE_DISABLED;
+	}
+
+	ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev %d psmode %s\n",
+		   arvif->vdev_id, psmode ? "enable" : "disable");
+
+	ret = ath12k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, psmode);
+	if (ret)
+		ath12k_warn(ar->ab, "failed to set sta power save mode %d for vdev %d: %d\n",
+			    psmode, arvif->vdev_id, ret);
+}
+
 static void ath12k_mac_bss_info_changed(struct ath12k *ar,
 					struct ath12k_vif *arvif,
 					struct ieee80211_bss_conf *info,
 					u64 changed)
 {
 	struct ieee80211_vif *vif = arvif->vif;
+	struct ieee80211_vif_cfg *vif_cfg = &vif->cfg;
 	struct cfg80211_chan_def def;
 	u32 param_id, param_value;
 	enum nl80211_band band;
@@ -2788,6 +2836,12 @@ static void ath12k_mac_bss_info_changed(struct ath12k *ar,
 
 	if (changed & BSS_CHANGED_EHT_PUNCTURING)
 		arvif->punct_bitmap = info->eht_puncturing;
+
+	if (changed & BSS_CHANGED_PS &&
+	    ar->ab->hw_params->supports_sta_ps) {
+		arvif->ps = vif_cfg->ps;
+		ath12k_mac_vif_setup_ps(arvif);
+	}
 }
 
 static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,