@@ -1048,6 +1048,57 @@ static void ath10k_control_ibss(struct ath10k_vif *arvif,
arvif->vdev_id, ret);
}
+static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
+ else
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
+
+ param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
+ else
+ value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
+
+ param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* Review this when mac80211 gains per-interface powersave support.
*/
@@ -3036,22 +3087,16 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
goto err_peer_delete;
}
- param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
- value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
- ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
- param, value);
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
if (ret) {
- ath10k_warn(ar, "failed to set vdev %i TX wake thresh: %d\n",
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
arvif->vdev_id, ret);
goto err_peer_delete;
}
- param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
- value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
- ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
- param, value);
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
if (ret) {
- ath10k_warn(ar, "failed to set vdev %i PSPOLL count: %d\n",
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
arvif->vdev_id, ret);
goto err_peer_delete;
}
@@ -3818,6 +3863,20 @@ static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
if (ret)
ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
exit:
return ret;
}
@@ -4015,6 +4015,13 @@ enum wmi_sta_ps_param_pspoll_count {
* Values greater than 0 indicate the maximum numer of PS-Poll frames
* FW will send before waking up.
*/
+
+ /* When u-APSD is enabled the firmware will be very reluctant to exit
+ * STA PS. This could result in very poor Rx performance with STA doing
+ * PS-Poll for each and every buffered frame. This value is a bit
+ * arbitrary.
+ */
+ WMI_STA_PS_PSPOLL_COUNT_UAPSD = 3,
};
/*
To comply with WMM-PS the device shouldn't wake up with a NullFunc frame pair when tx-ing. Instead PM bit on each tx frame should be used. To make this work correctly firmware needs to be told to use a different STA PS wake threshold when u-APSD is enabled. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> --- Notes: v2: * fix Rx performance * fix error handling (use goto instead of return) drivers/net/wireless/ath/ath10k/mac.c | 79 ++++++++++++++++++++++++++++++----- drivers/net/wireless/ath/ath10k/wmi.h | 7 ++++ 2 files changed, 76 insertions(+), 10 deletions(-)