forked from Minki/linux
rtlwifi: Convert ps routines for addition of rtl8192se and rtl8192de
Convert ps routines for addition of RTL8192SE and RTL8192DE code Signed-off-by: Chaoming_Li <chaoming_li@realsil.com.cn> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Chaoming_Li
John W. Linville
parent
c7cfe38ee0
commit
cc7dc0c4ff
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@ -36,7 +36,6 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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bool init_status = true;
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/*<1> reset trx ring */
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if (rtlhal->interface == INTF_PCI)
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@ -49,7 +48,6 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
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/*<2> Enable Adapter */
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rtlpriv->cfg->ops->hw_init(hw);
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RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
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/*init_status = false; */
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/*<3> Enable Interrupt */
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rtlpriv->cfg->ops->enable_interrupt(hw);
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@ -57,7 +55,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
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/*<enable timer> */
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rtl_watch_dog_timer_callback((unsigned long)hw);
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return init_status;
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return true;
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}
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EXPORT_SYMBOL(rtl_ps_enable_nic);
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@ -192,12 +190,13 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
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ppsc->swrf_processing = true;
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if (ppsc->inactive_pwrstate == ERFON && rtlhal->interface == INTF_PCI) {
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if (ppsc->inactive_pwrstate == ERFOFF &&
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rtlhal->interface == INTF_PCI) {
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if ((ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) &&
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RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM) &&
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RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
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rtlhal->interface == INTF_PCI) {
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rtlpriv->intf_ops->disable_aspm(hw);
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RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
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RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
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}
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}
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@ -206,9 +205,10 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
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if (ppsc->inactive_pwrstate == ERFOFF &&
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rtlhal->interface == INTF_PCI) {
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if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) {
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if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
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!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
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rtlpriv->intf_ops->enable_aspm(hw);
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RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
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RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
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}
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}
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@ -232,6 +232,9 @@ void rtl_ips_nic_off_wq_callback(void *data)
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return;
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}
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if (mac->link_state > MAC80211_NOLINK)
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return;
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if (is_hal_stop(rtlhal))
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return;
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@ -283,10 +286,14 @@ void rtl_ips_nic_off(struct ieee80211_hw *hw)
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void rtl_ips_nic_on(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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enum rf_pwrstate rtstate;
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unsigned long flags;
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if (mac->opmode != NL80211_IFTYPE_STATION)
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return;
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spin_lock_irqsave(&rtlpriv->locks.ips_lock, flags);
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if (ppsc->inactiveps) {
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@ -369,8 +376,7 @@ static void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
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* mode and set RPWM to turn RF on.
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*/
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if ((ppsc->fwctrl_lps) && (ppsc->leisure_ps) &&
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ppsc->report_linked) {
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if ((ppsc->fwctrl_lps) && ppsc->report_linked) {
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bool fw_current_inps;
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if (ppsc->dot11_psmode == EACTIVE) {
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RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
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@ -416,22 +422,6 @@ static void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
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}
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}
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void rtl_swlps_rfon_wq_callback(void *data)
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{
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}
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void rtl_swlps_wq_callback(void *data)
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{
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}
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void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
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{
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}
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void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
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{
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}
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/*Enter the leisure power save mode.*/
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void rtl_lps_enter(struct ieee80211_hw *hw)
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{
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@ -440,7 +430,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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unsigned long flag;
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if (!(ppsc->fwctrl_lps && ppsc->leisure_ps))
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if (!ppsc->fwctrl_lps)
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return;
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if (rtlpriv->sec.being_setkey)
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@ -461,17 +451,16 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
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spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
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if (ppsc->leisure_ps) {
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/* Idle for a while if we connect to AP a while ago. */
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if (mac->cnt_after_linked >= 2) {
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if (ppsc->dot11_psmode == EACTIVE) {
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RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
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/* Idle for a while if we connect to AP a while ago. */
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if (mac->cnt_after_linked >= 2) {
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if (ppsc->dot11_psmode == EACTIVE) {
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RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
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("Enter 802.11 power save mode...\n"));
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rtl_lps_set_psmode(hw, EAUTOPS);
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}
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rtl_lps_set_psmode(hw, EAUTOPS);
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}
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}
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spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
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}
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@ -485,17 +474,17 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
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spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
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if (ppsc->fwctrl_lps && ppsc->leisure_ps) {
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if (ppsc->fwctrl_lps) {
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if (ppsc->dot11_psmode != EACTIVE) {
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/*FIX ME */
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rtlpriv->cfg->ops->enable_interrupt(hw);
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if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
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RT_IN_PS_LEVEL(ppsc, RT_RF_LPS_LEVEL_ASPM) &&
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RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
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rtlhal->interface == INTF_PCI) {
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rtlpriv->intf_ops->disable_aspm(hw);
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RT_CLEAR_PS_LEVEL(ppsc, RT_RF_LPS_LEVEL_ASPM);
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RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
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}
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RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
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@ -506,3 +495,214 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
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}
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spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
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}
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/* For sw LPS*/
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void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct ieee80211_hdr *hdr = (void *) data;
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struct ieee80211_tim_ie *tim_ie;
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u8 *tim;
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u8 tim_len;
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bool u_buffed;
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bool m_buffed;
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if (mac->opmode != NL80211_IFTYPE_STATION)
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return;
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if (!rtlpriv->psc.swctrl_lps)
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return;
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if (rtlpriv->mac80211.link_state != MAC80211_LINKED)
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return;
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if (!rtlpriv->psc.sw_ps_enabled)
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return;
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if (rtlpriv->psc.fwctrl_lps)
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return;
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if (likely(!(hw->conf.flags & IEEE80211_CONF_PS)))
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return;
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/* check if this really is a beacon */
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if (!ieee80211_is_beacon(hdr->frame_control))
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return;
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/* min. beacon length + FCS_LEN */
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if (len <= 40 + FCS_LEN)
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return;
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/* and only beacons from the associated BSSID, please */
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if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
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return;
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rtlpriv->psc.last_beacon = jiffies;
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tim = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_TIM);
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if (!tim)
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return;
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if (tim[1] < sizeof(*tim_ie))
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return;
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tim_len = tim[1];
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tim_ie = (struct ieee80211_tim_ie *) &tim[2];
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if (!WARN_ON_ONCE(!hw->conf.ps_dtim_period))
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rtlpriv->psc.dtim_counter = tim_ie->dtim_count;
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/* Check whenever the PHY can be turned off again. */
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/* 1. What about buffered unicast traffic for our AID? */
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u_buffed = ieee80211_check_tim(tim_ie, tim_len,
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rtlpriv->mac80211.assoc_id);
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/* 2. Maybe the AP wants to send multicast/broadcast data? */
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m_buffed = tim_ie->bitmap_ctrl & 0x01;
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rtlpriv->psc.multi_buffered = m_buffed;
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/* unicast will process by mac80211 through
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* set ~IEEE80211_CONF_PS, So we just check
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* multicast frames here */
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if (!m_buffed) {
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/* back to low-power land. and delay is
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* prevent null power save frame tx fail */
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queue_delayed_work(rtlpriv->works.rtl_wq,
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&rtlpriv->works.ps_work, MSECS(5));
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} else {
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RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, ("u_bufferd: %x, "
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"m_buffered: %x\n", u_buffed, m_buffed));
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}
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}
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void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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unsigned long flag;
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if (!rtlpriv->psc.swctrl_lps)
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return;
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if (mac->link_state != MAC80211_LINKED)
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return;
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if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
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RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
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rtlpriv->intf_ops->disable_aspm(hw);
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RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
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}
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spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
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rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
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spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
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}
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void rtl_swlps_rfon_wq_callback(void *data)
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{
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struct rtl_works *rtlworks =
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container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq);
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struct ieee80211_hw *hw = rtlworks->hw;
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rtl_swlps_rf_awake(hw);
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}
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void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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unsigned long flag;
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u8 sleep_intv;
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if (!rtlpriv->psc.sw_ps_enabled)
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return;
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if ((rtlpriv->sec.being_setkey) ||
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(mac->opmode == NL80211_IFTYPE_ADHOC))
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return;
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/*sleep after linked 10s, to let DHCP and 4-way handshake ok enough!! */
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if ((mac->link_state != MAC80211_LINKED) || (mac->cnt_after_linked < 5))
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return;
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if (rtlpriv->link_info.busytraffic)
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return;
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spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
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if (rtlpriv->psc.rfchange_inprogress) {
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spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
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return;
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}
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spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
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spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
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rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS, false);
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spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
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if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
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!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
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rtlpriv->intf_ops->enable_aspm(hw);
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RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
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}
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/* here is power save alg, when this beacon is DTIM
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* we will set sleep time to dtim_period * n;
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* when this beacon is not DTIM, we will set sleep
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* time to sleep_intv = rtlpriv->psc.dtim_counter or
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* MAX_SW_LPS_SLEEP_INTV(default set to 5) */
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if (rtlpriv->psc.dtim_counter == 0) {
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if (hw->conf.ps_dtim_period == 1)
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sleep_intv = hw->conf.ps_dtim_period * 2;
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else
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sleep_intv = hw->conf.ps_dtim_period;
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} else {
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sleep_intv = rtlpriv->psc.dtim_counter;
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}
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if (sleep_intv > MAX_SW_LPS_SLEEP_INTV)
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sleep_intv = MAX_SW_LPS_SLEEP_INTV;
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/* this print should always be dtim_conter = 0 &
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* sleep = dtim_period, that meaons, we should
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* awake before every dtim */
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RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
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("dtim_counter:%x will sleep :%d"
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" beacon_intv\n", rtlpriv->psc.dtim_counter, sleep_intv));
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/* we tested that 40ms is enough for sw & hw sw delay */
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queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq,
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MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40));
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}
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void rtl_swlps_wq_callback(void *data)
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{
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struct rtl_works *rtlworks = container_of_dwork_rtl(data,
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struct rtl_works,
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ps_work);
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struct ieee80211_hw *hw = rtlworks->hw;
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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bool ps = false;
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ps = (hw->conf.flags & IEEE80211_CONF_PS);
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/* we can sleep after ps null send ok */
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if (rtlpriv->psc.state_inap) {
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rtl_swlps_rf_sleep(hw);
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if (rtlpriv->psc.state && !ps) {
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rtlpriv->psc.sleep_ms = jiffies_to_msecs(jiffies -
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rtlpriv->psc.last_action);
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}
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if (ps)
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rtlpriv->psc.last_slept = jiffies;
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rtlpriv->psc.last_action = jiffies;
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rtlpriv->psc.state = ps;
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}
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}
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@ -30,6 +30,8 @@
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#ifndef __REALTEK_RTL_PCI_PS_H__
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#define __REALTEK_RTL_PCI_PS_H__
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#define MAX_SW_LPS_SLEEP_INTV 5
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bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
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enum rf_pwrstate state_toset, u32 changesource,
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bool protect_or_not);
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