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rtw88: remove misleading module parameter rtw_fw_support_lps 

The module parameter rtw_fw_support_lps is misleading. It
is not used to represent the firmware's property, but to
determine if driver wants to ask firmware to enter LPS.

However, driver should better enable/disable PS through
cfg80211_ops::set_power_mgmt instead.
For example, one could use iw command to set PS state.

  $ sudo iw wlanX set power_save [on/off]

So rtw_fw_support_lps should be removed because it is
misleading and useless. Instead of checking the parameter,
set PS mode according to IEEE80211_CONF_PS.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yan-Hsuan Chuang 2019-10-02 10:31:28 +08:00 committed by Kalle Valo
parent 04b786e009
commit bcde60e599
3 changed files with 25 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/realtek/rtw88/mac80211.c
View File

@ -74,6 +74,15 @@ static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
}
}
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (hw->conf.flags & IEEE80211_CONF_PS) {
rtwdev->ps_enabled = true;
} else {
rtwdev->ps_enabled = false;
rtw_leave_lps(rtwdev);
}
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
rtw_set_channel(rtwdev);

33
drivers/net/wireless/realtek/rtw88/main.c
View File

@ -16,16 +16,13 @@
unsigned int rtw_fw_lps_deep_mode;
EXPORT_SYMBOL(rtw_fw_lps_deep_mode);
static bool rtw_fw_support_lps;
unsigned int rtw_debug_mask;
EXPORT_SYMBOL(rtw_debug_mask);
module_param_named(lps_deep_mode, rtw_fw_lps_deep_mode, uint, 0644);
module_param_named(support_lps, rtw_fw_support_lps, bool, 0644);
module_param_named(debug_mask, rtw_debug_mask, uint, 0644);
MODULE_PARM_DESC(lps_deep_mode, "Deeper PS mode. If 0, deep PS is disabled");
MODULE_PARM_DESC(support_lps, "Set Y to enable Leisure Power Save support, to turn radio off between beacons");
MODULE_PARM_DESC(debug_mask, "Debugging mask");
static struct ieee80211_channel rtw_channeltable_2g[] = {
@ -117,8 +114,6 @@ static struct ieee80211_supported_band rtw_band_5ghz = {
struct rtw_watch_dog_iter_data {
struct rtw_vif *rtwvif;
bool active;
u8 assoc_cnt;
};
static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
@ -127,18 +122,9 @@ static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
struct rtw_watch_dog_iter_data *iter_data = data;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
if (vif->type == NL80211_IFTYPE_STATION) {
if (vif->bss_conf.assoc) {
iter_data->assoc_cnt++;
if (vif->type == NL80211_IFTYPE_STATION)
if (vif->bss_conf.assoc)
iter_data->rtwvif = rtwvif;
}
if (rtwvif->stats.tx_cnt > RTW_LPS_THRESHOLD ||
rtwvif->stats.rx_cnt > RTW_LPS_THRESHOLD)
iter_data->active = true;
} else {
/* only STATION mode can enter lps */
iter_data->active = true;
}
rtwvif->stats.tx_unicast = 0;
rtwvif->stats.rx_unicast = 0;
@ -155,6 +141,7 @@ static void rtw_watch_dog_work(struct work_struct *work)
watch_dog_work.work);
struct rtw_watch_dog_iter_data data = {};
bool busy_traffic = test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags);
bool ps_active;
mutex_lock(&rtwdev->mutex);
@ -172,6 +159,12 @@ static void rtw_watch_dog_work(struct work_struct *work)
if (busy_traffic != test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags))
rtw_coex_wl_status_change_notify(rtwdev);
if (rtwdev->stats.tx_cnt > RTW_LPS_THRESHOLD ||
rtwdev->stats.rx_cnt > RTW_LPS_THRESHOLD)
ps_active = true;
else
ps_active = false;
/* reset tx/rx statictics */
rtwdev->stats.tx_unicast = 0;
rtwdev->stats.rx_unicast = 0;
@ -192,9 +185,13 @@ static void rtw_watch_dog_work(struct work_struct *work)
/* fw supports only one station associated to enter lps, if there are
* more than two stations associated to the AP, then we can not enter
* lps, because fw does not handle the overlapped beacon interval
*
* mac80211 should iterate vifs and determine if driver can enter
* ps by passing IEEE80211_CONF_PS to us, all we need to do is to
* get that vif and check if device is having traffic more than the
* threshold.
*/
if (rtw_fw_support_lps &&
data.rtwvif && !data.active && data.assoc_cnt == 1)
if (rtwdev->ps_enabled && data.rtwvif && !ps_active)
rtw_enter_lps(rtwdev, data.rtwvif->port);
rtwdev->watch_dog_cnt++;

1
drivers/net/wireless/realtek/rtw88/main.h
View File

@ -1372,6 +1372,7 @@ struct rtw_dev {
/* lps power state & handler work */
struct rtw_lps_conf lps_conf;
bool ps_enabled;
struct dentry *debugfs;