From: Chaoming_Li <chaoming_li@xxxxxxxxxxxxxx>
Convert ps routines for addition of RTL8192SE and RTL8192DE code
Signed-off-by: Chaoming_Li <chaoming_li@xxxxxxxxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
ps.c | 276 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
ps.h | 2
2 files changed, 241 insertions(+), 37 deletions(-)
---
Index: wireless-testing/drivers/net/wireless/rtlwifi/ps.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/ps.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/ps.c
@@ -36,7 +36,6 @@ bool rtl_ps_enable_nic(struct ieee80211_
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- bool init_status = true;
/*<1> reset trx ring */
if (rtlhal->interface == INTF_PCI)
@@ -49,7 +48,6 @@ bool rtl_ps_enable_nic(struct ieee80211_
/*<2> Enable Adapter */
rtlpriv->cfg->ops->hw_init(hw);
RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
- /*init_status = false; */
/*<3> Enable Interrupt */
rtlpriv->cfg->ops->enable_interrupt(hw);
@@ -57,7 +55,7 @@ bool rtl_ps_enable_nic(struct ieee80211_
/*<enable timer> */
rtl_watch_dog_timer_callback((unsigned long)hw);
- return init_status;
+ return true;
}
EXPORT_SYMBOL(rtl_ps_enable_nic);
@@ -192,12 +190,13 @@ static void _rtl_ps_inactive_ps(struct i
ppsc->swrf_processing = true;
- if (ppsc->inactive_pwrstate == ERFON && rtlhal->interface == INTF_PCI) {
+ if (ppsc->inactive_pwrstate == ERFOFF &&
+ rtlhal->interface == INTF_PCI) {
if ((ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) &&
- RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM) &&
+ RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
rtlhal->interface == INTF_PCI) {
rtlpriv->intf_ops->disable_aspm(hw);
- RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
+ RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
}
@@ -206,9 +205,10 @@ static void _rtl_ps_inactive_ps(struct i
if (ppsc->inactive_pwrstate == ERFOFF &&
rtlhal->interface == INTF_PCI) {
- if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) {
+ if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
+ !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->enable_aspm(hw);
- RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
+ RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
}
@@ -232,6 +232,9 @@ void rtl_ips_nic_off_wq_callback(void *d
return;
}
+ if (mac->link_state > MAC80211_NOLINK)
+ return;
+
if (is_hal_stop(rtlhal))
return;
@@ -283,10 +286,14 @@ void rtl_ips_nic_off(struct ieee80211_hw
void rtl_ips_nic_on(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
enum rf_pwrstate rtstate;
unsigned long flags;
+ if (mac->opmode != NL80211_IFTYPE_STATION)
+ return;
+
spin_lock_irqsave(&rtlpriv->locks.ips_lock, flags);
if (ppsc->inactiveps) {
@@ -369,8 +376,7 @@ static void rtl_lps_set_psmode(struct ie
* mode and set RPWM to turn RF on.
*/
- if ((ppsc->fwctrl_lps) && (ppsc->leisure_ps) &&
- ppsc->report_linked) {
+ if ((ppsc->fwctrl_lps) && ppsc->report_linked) {
bool fw_current_inps;
if (ppsc->dot11_psmode == EACTIVE) {
RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
@@ -416,22 +422,6 @@ static void rtl_lps_set_psmode(struct ie
}
}
-void rtl_swlps_rfon_wq_callback(void *data)
-{
-}
-
-void rtl_swlps_wq_callback(void *data)
-{
-}
-
-void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
-{
-}
-
-void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
-{
-}
-
/*Enter the leisure power save mode.*/
void rtl_lps_enter(struct ieee80211_hw *hw)
{
@@ -440,7 +430,7 @@ void rtl_lps_enter(struct ieee80211_hw *
struct rtl_priv *rtlpriv = rtl_priv(hw);
unsigned long flag;
- if (!(ppsc->fwctrl_lps && ppsc->leisure_ps))
+ if (!ppsc->fwctrl_lps)
return;
if (rtlpriv->sec.being_setkey)
@@ -461,17 +451,16 @@ void rtl_lps_enter(struct ieee80211_hw *
spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
- if (ppsc->leisure_ps) {
- /* Idle for a while if we connect to AP a while ago. */
- if (mac->cnt_after_linked >= 2) {
- if (ppsc->dot11_psmode == EACTIVE) {
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+ /* Idle for a while if we connect to AP a while ago. */
+ if (mac->cnt_after_linked >= 2) {
+ if (ppsc->dot11_psmode == EACTIVE) {
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
("Enter 802.11 power save mode...\n"));
- rtl_lps_set_psmode(hw, EAUTOPS);
- }
+ rtl_lps_set_psmode(hw, EAUTOPS);
}
}
+
spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
}
@@ -485,17 +474,17 @@ void rtl_lps_leave(struct ieee80211_hw *
spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
- if (ppsc->fwctrl_lps && ppsc->leisure_ps) {
+ if (ppsc->fwctrl_lps) {
if (ppsc->dot11_psmode != EACTIVE) {
/*FIX ME */
rtlpriv->cfg->ops->enable_interrupt(hw);
if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
- RT_IN_PS_LEVEL(ppsc, RT_RF_LPS_LEVEL_ASPM) &&
+ RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
rtlhal->interface == INTF_PCI) {
rtlpriv->intf_ops->disable_aspm(hw);
- RT_CLEAR_PS_LEVEL(ppsc, RT_RF_LPS_LEVEL_ASPM);
+ RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
@@ -506,3 +495,216 @@ void rtl_lps_leave(struct ieee80211_hw *
}
spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
}
+
+/* For sw LPS*/
+void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct ieee80211_hdr *hdr = (void *) data;
+ struct ieee80211_tim_ie *tim_ie;
+ u8 *tim;
+ u8 tim_len;
+ bool u_buffed;
+ bool m_buffed;
+
+ if (mac->opmode != NL80211_IFTYPE_STATION)
+ return;
+
+ if (!rtlpriv->psc.swctrl_lps)
+ return;
+
+ if (rtlpriv->mac80211.link_state != MAC80211_LINKED)
+ return;
+
+ if (!rtlpriv->psc.sw_ps_enabled)
+ return;
+
+ if (rtlpriv->psc.fwctrl_lps)
+ return;
+
+ if (likely(!(hw->conf.flags & IEEE80211_CONF_PS)))
+ return;
+
+ /* check if this really is a beacon */
+ if (!ieee80211_is_beacon(hdr->frame_control))
+ return;
+
+ /* min. beacon length + FCS_LEN */
+ if (len <= 40 + FCS_LEN)
+ return;
+
+ /* and only beacons from the associated BSSID, please */
+ if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
+ return;
+
+ rtlpriv->psc.last_beacon = jiffies;
+
+ tim = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_TIM);
+ if (!tim)
+ return;
+
+ if (tim[1] < sizeof(*tim_ie))
+ return;
+
+ tim_len = tim[1];
+ tim_ie = (struct ieee80211_tim_ie *) &tim[2];
+
+ if (!WARN_ON_ONCE(!hw->conf.ps_dtim_period))
+ rtlpriv->psc.dtim_counter = tim_ie->dtim_count;
+
+ /* Check whenever the PHY can be turned off again. */
+
+ /* 1. What about buffered unicast traffic for our AID? */
+ u_buffed = ieee80211_check_tim(tim_ie, tim_len,
+ rtlpriv->mac80211.assoc_id);
+
+ /* 2. Maybe the AP wants to send multicast/broadcast data? */
+ m_buffed = tim_ie->bitmap_ctrl & 0x01;
+ rtlpriv->psc.multi_buffered = m_buffed;
+
+ /* unicast will process by mac80211 through
+ * set ~IEEE80211_CONF_PS, So we just check
+ * multicast frames here */
+ if (!m_buffed) {
+ /* back to low-power land. and delay is
+ * prevent null power save frame tx fail */
+ queue_delayed_work(rtlpriv->works.rtl_wq,
+ &rtlpriv->works.ps_work, MSECS(5));
+ } else {
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, ("u_bufferd: %x, "
+ "m_buffered: %x\n", u_buffed, m_buffed));
+ }
+}
+
+void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ unsigned long flag;
+
+ if (!rtlpriv->psc.swctrl_lps)
+ return;
+ if (mac->link_state != MAC80211_LINKED)
+ return;
+
+ if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
+ RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
+ rtlpriv->intf_ops->disable_aspm(hw);
+ RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
+ }
+
+ spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
+ rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
+ spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+}
+
+void rtl_swlps_rfon_wq_callback(void *data)
+{
+ struct rtl_works *rtlworks =
+ container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq);
+ struct ieee80211_hw *hw = rtlworks->hw;
+
+ rtl_swlps_rf_awake(hw);
+}
+
+void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ unsigned long flag;
+ u8 sleep_intv;
+
+ if (!rtlpriv->psc.sw_ps_enabled)
+ return;
+
+ if ((rtlpriv->sec.being_setkey) ||
+ (mac->opmode == NL80211_IFTYPE_ADHOC))
+ return;
+
+ /*sleep after linked 10s, to let DHCP and 4-way handshake ok enough!! */
+ if ((mac->link_state != MAC80211_LINKED) || (mac->cnt_after_linked < 5))
+ return;
+
+ if (rtlpriv->link_info.busytraffic)
+ return;
+
+ spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
+ if (rtlpriv->psc.rfchange_inprogress) {
+ spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
+ return;
+ }
+ spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
+
+ spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
+ rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS, false);
+ spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+
+ if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
+ !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
+ rtlpriv->intf_ops->enable_aspm(hw);
+ RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
+ }
+
+ /* here is power save alg, when this beacon is DTIM
+ * we will set sleep time to dtim_period * n;
+ * when this beacon is not DTIM, we will set sleep
+ * time to sleep_intv = rtlpriv->psc.dtim_counter or
+ * MAX_SW_LPS_SLEEP_INTV(default set to 5) */
+
+ if (rtlpriv->psc.dtim_counter == 0) {
+ if (hw->conf.ps_dtim_period == 1)
+ sleep_intv = hw->conf.ps_dtim_period * 2;
+ else
+ sleep_intv = hw->conf.ps_dtim_period;
+ } else {
+ sleep_intv = rtlpriv->psc.dtim_counter;
+ }
+
+ if (sleep_intv > MAX_SW_LPS_SLEEP_INTV)
+ sleep_intv = MAX_SW_LPS_SLEEP_INTV;
+
+ /* this print should always be dtim_conter = 0 &
+ * sleep = dtim_period, that meaons, we should
+ * awake before every dtim */
+ RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
+ ("dtim_counter:%x will sleep :%d"
+ " beacon_intv\n", rtlpriv->psc.dtim_counter, sleep_intv));
+
+ /* we tested that 40ms is enough for sw & hw sw delay */
+ queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq,
+ MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40));
+}
+
+
+void rtl_swlps_wq_callback(void *data)
+{
+ struct rtl_works *rtlworks = container_of_dwork_rtl(data,
+ struct rtl_works,
+ ps_work);
+ struct ieee80211_hw *hw = rtlworks->hw;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ bool ps = false;
+
+ ps = (hw->conf.flags & IEEE80211_CONF_PS);
+
+ /* we can sleep after ps null send ok */
+ if (rtlpriv->psc.state_inap) {
+ rtl_swlps_rf_sleep(hw);
+
+ if (rtlpriv->psc.state && !ps) {
+ rtlpriv->psc.sleep_ms = jiffies_to_msecs(jiffies -
+ rtlpriv->psc.last_action);
+ }
+
+ if (ps)
+ rtlpriv->psc.last_slept = jiffies;
+
+ rtlpriv->psc.last_action = jiffies;
+ rtlpriv->psc.state = ps;
+ }
+}
+
+
Index: wireless-testing/drivers/net/wireless/rtlwifi/ps.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/ps.h
+++ wireless-testing/drivers/net/wireless/rtlwifi/ps.h
@@ -30,6 +30,8 @@
#ifndef __REALTEK_RTL_PCI_PS_H__
#define __REALTEK_RTL_PCI_PS_H__
+#define MAX_SW_LPS_SLEEP_INTV 5
+
bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
enum rf_pwrstate state_toset, u32 changesource,
bool protect_or_not);
--
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