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path: root/drivers/net/wireless/realtek/rtlwifi/ps.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/ps.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/ps.c207
1 files changed, 86 insertions, 121 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c
index 479a4cfc245d..bcab12c3b4c1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/ps.c
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c
@@ -1,27 +1,5 @@
-/******************************************************************************
- *
- * Copyright(c) 2009-2012 Realtek Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * wlanfae <wlanfae@realtek.com>
- * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
- * Hsinchu 300, Taiwan.
- *
- * Larry Finger <Larry.Finger@lwfinger.net>
- *
- *****************************************************************************/
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
#include "wifi.h"
#include "base.h"
@@ -41,8 +19,8 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
rtlpriv->intf_ops->reset_trx_ring(hw);
if (is_hal_stop(rtlhal))
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- "Driver is already down!\n");
+ rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
+ "Driver is already down!\n");
/*<2> Enable Adapter */
if (rtlpriv->cfg->ops->hw_init(hw))
@@ -90,7 +68,6 @@ static bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- enum rf_pwrstate rtstate;
bool actionallowed = false;
u16 rfwait_cnt = 0;
@@ -103,9 +80,9 @@ static bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
if (ppsc->rfchange_inprogress) {
spin_unlock(&rtlpriv->locks.rf_ps_lock);
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- "RF Change in progress! Wait to set..state_toset(%d).\n",
- state_toset);
+ rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
+ "RF Change in progress! Wait to set..state_toset(%d).\n",
+ state_toset);
/* Set RF after the previous action is done. */
while (ppsc->rfchange_inprogress) {
@@ -124,8 +101,6 @@ static bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
}
}
- rtstate = ppsc->rfpwr_state;
-
switch (state_toset) {
case ERFON:
ppsc->rfoff_reason &= (~changesource);
@@ -183,8 +158,7 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
if (ppsc->inactive_pwrstate == ERFON &&
rtlhal->interface == INTF_PCI) {
if ((ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) &&
- RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
- rtlhal->interface == INTF_PCI) {
+ RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->disable_aspm(hw);
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
@@ -205,10 +179,10 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
ppsc->swrf_processing = false;
}
-void rtl_ips_nic_off_wq_callback(void *data)
+void rtl_ips_nic_off_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, ips_nic_off_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ips_nic_off_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
@@ -217,8 +191,8 @@ void rtl_ips_nic_off_wq_callback(void *data)
enum rf_pwrstate rtstate;
if (mac->opmode != NL80211_IFTYPE_STATION) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- "not station return\n");
+ rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
+ "not station return\n");
return;
}
@@ -254,8 +228,8 @@ void rtl_ips_nic_off_wq_callback(void *data)
!ppsc->swrf_processing &&
(mac->link_state == MAC80211_NOLINK) &&
!mac->act_scanning) {
- RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
- "IPSEnter(): Turn off RF\n");
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "IPSEnter(): Turn off RF\n");
ppsc->inactive_pwrstate = ERFOFF;
ppsc->in_powersavemode = true;
@@ -333,8 +307,8 @@ static bool rtl_get_fwlps_doze(struct ieee80211_hw *hw)
ppsc->last_delaylps_stamp_jiffies);
if (ps_timediff < 2000) {
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
- "Delay enter Fw LPS for DHCP, ARP, or EAPOL exchanging state\n");
+ rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
+ "Delay enter Fw LPS for DHCP, ARP, or EAPOL exchanging state\n");
return false;
}
@@ -379,9 +353,9 @@ void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
if ((ppsc->fwctrl_lps) && ppsc->report_linked) {
if (ppsc->dot11_psmode == EACTIVE) {
- RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
- "FW LPS leave ps_mode:%x\n",
- FW_PS_ACTIVE_MODE);
+ rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
+ "FW LPS leave ps_mode:%x\n",
+ FW_PS_ACTIVE_MODE);
enter_fwlps = false;
ppsc->pwr_mode = FW_PS_ACTIVE_MODE;
ppsc->smart_ps = 0;
@@ -394,9 +368,9 @@ void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
rtlpriv->btcoexist.btc_ops->btc_lps_notify(rtlpriv, rt_psmode);
} else {
if (rtl_get_fwlps_doze(hw)) {
- RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
- "FW LPS enter ps_mode:%x\n",
- ppsc->fwctrl_psmode);
+ rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
+ "FW LPS enter ps_mode:%x\n",
+ ppsc->fwctrl_psmode);
if (rtlpriv->cfg->ops->get_btc_status())
rtlpriv->btcoexist.btc_ops->btc_lps_notify(rtlpriv, rt_psmode);
enter_fwlps = true;
@@ -446,8 +420,8 @@ static void rtl_lps_enter_core(struct ieee80211_hw *hw)
* bt_ccoexist may ask to enter lps.
* In normal case, this constraint move to rtl_lps_set_psmode().
*/
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
- "Enter 802.11 power save mode...\n");
+ rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
+ "Enter 802.11 power save mode...\n");
rtl_lps_set_psmode(hw, EAUTOPS);
mutex_unlock(&rtlpriv->locks.lps_mutex);
@@ -475,8 +449,8 @@ static void rtl_lps_leave_core(struct ieee80211_hw *hw)
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
- RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
- "Busy Traffic,Leave 802.11 power save..\n");
+ rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
+ "Busy Traffic,Leave 802.11 power save..\n");
rtl_lps_set_psmode(hw, EACTIVE);
}
@@ -545,7 +519,7 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
/* 1. What about buffered unicast traffic for our AID? */
u_buffed = ieee80211_check_tim(tim_ie, tim_len,
- rtlpriv->mac80211.assoc_id);
+ rtlpriv->mac80211.assoc_id, false);
/* 2. Maybe the AP wants to send multicast/broadcast data? */
m_buffed = tim_ie->bitmap_ctrl & 0x01;
@@ -560,8 +534,8 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
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);
+ rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG,
+ "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed);
}
}
EXPORT_SYMBOL_GPL(rtl_swlps_beacon);
@@ -588,10 +562,10 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
mutex_unlock(&rtlpriv->locks.lps_mutex);
}
-void rtl_swlps_rfon_wq_callback(void *data)
+void rtl_swlps_rfon_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ps_rfon_wq.work);
struct ieee80211_hw *hw = rtlworks->hw;
rtl_swlps_rf_awake(hw);
@@ -656,9 +630,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
/* 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);
+ rtl_dbg(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,
@@ -679,54 +653,38 @@ void rtl_lps_change_work_callback(struct work_struct *work)
}
EXPORT_SYMBOL_GPL(rtl_lps_change_work_callback);
-void rtl_lps_enter(struct ieee80211_hw *hw)
+void rtl_lps_enter(struct ieee80211_hw *hw, bool may_block)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- if (!in_interrupt())
+ if (may_block)
return rtl_lps_enter_core(hw);
rtlpriv->enter_ps = true;
schedule_work(&rtlpriv->works.lps_change_work);
}
EXPORT_SYMBOL_GPL(rtl_lps_enter);
-void rtl_lps_leave(struct ieee80211_hw *hw)
+void rtl_lps_leave(struct ieee80211_hw *hw, bool may_block)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- if (!in_interrupt())
+ if (may_block)
return rtl_lps_leave_core(hw);
rtlpriv->enter_ps = false;
schedule_work(&rtlpriv->works.lps_change_work);
}
EXPORT_SYMBOL_GPL(rtl_lps_leave);
-void rtl_swlps_wq_callback(void *data)
+void rtl_swlps_wq_callback(struct work_struct *work)
{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- ps_work);
+ struct rtl_works *rtlworks = container_of(work, struct rtl_works,
+ ps_work.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) {
+ 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;
- }
}
static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
@@ -740,6 +698,7 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
static u8 p2p_oui_ie_type[4] = {0x50, 0x6f, 0x9a, 0x09};
u8 noa_num, index , i, noa_index = 0;
bool find_p2p_ie = false , find_p2p_ps_ie = false;
+
pos = (u8 *)mgmt->u.beacon.variable;
end = data + len;
ie = NULL;
@@ -762,25 +721,28 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
find_p2p_ie = true;
/*to find noa ie*/
while (ie + 1 < end) {
- noa_len = READEF2BYTE((__le16 *)&ie[1]);
+ noa_len = le16_to_cpu(*((__le16 *)&ie[1]));
if (ie + 3 + ie[1] > end)
return;
if (ie[0] == 12) {
find_p2p_ps_ie = true;
if ((noa_len - 2) % 13 != 0) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
- "P2P notice of absence: invalid length.%d\n",
- noa_len);
+ rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
+ "P2P notice of absence: invalid length.%d\n",
+ noa_len);
return;
} else {
noa_num = (noa_len - 2) / 13;
+ if (noa_num > P2P_MAX_NOA_NUM)
+ noa_num = P2P_MAX_NOA_NUM;
+
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
P2P_PS_NONE || noa_index != p2pinfo->noa_index) {
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
- "update NOA ie.\n");
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD,
+ "update NOA ie.\n");
p2pinfo->noa_index = noa_index;
p2pinfo->opp_ps = (ie[4] >> 7);
p2pinfo->ctwindow = ie[4] & 0x7F;
@@ -788,16 +750,16 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
index = 5;
for (i = 0; i < noa_num; i++) {
p2pinfo->noa_count_type[i] =
- READEF1BYTE(ie+index);
+ *(u8 *)(ie + index);
index += 1;
p2pinfo->noa_duration[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
p2pinfo->noa_interval[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
p2pinfo->noa_start_time[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
}
@@ -821,9 +783,9 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
ie += 3 + noa_len;
}
- if (find_p2p_ie == true) {
+ if (find_p2p_ie) {
if ((p2pinfo->p2p_ps_mode > P2P_PS_NONE) &&
- (find_p2p_ps_ie == false))
+ (!find_p2p_ps_ie))
rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
}
}
@@ -851,24 +813,27 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data,
if (ie == NULL)
return;
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n");
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n");
/*to find noa ie*/
while (ie + 1 < end) {
- noa_len = READEF2BYTE((__le16 *)&ie[1]);
+ noa_len = le16_to_cpu(*(__le16 *)&ie[1]);
if (ie + 3 + ie[1] > end)
return;
if (ie[0] == 12) {
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n");
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n");
RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_LOUD, "noa ie ",
ie, noa_len);
if ((noa_len - 2) % 13 != 0) {
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
- "P2P notice of absence: invalid length.%d\n",
- noa_len);
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD,
+ "P2P notice of absence: invalid length.%d\n",
+ noa_len);
return;
} else {
noa_num = (noa_len - 2) / 13;
+ if (noa_num > P2P_MAX_NOA_NUM)
+ noa_num = P2P_MAX_NOA_NUM;
+
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
@@ -880,16 +845,16 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data,
index = 5;
for (i = 0; i < noa_num; i++) {
p2pinfo->noa_count_type[i] =
- READEF1BYTE(ie+index);
+ *(u8 *)(ie + index);
index += 1;
p2pinfo->noa_duration[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
p2pinfo->noa_interval[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
p2pinfo->noa_start_time[i] =
- READEF4BYTE((__le32 *)ie+index);
+ le32_to_cpu(*(__le32 *)(ie + index));
index += 4;
}
@@ -920,7 +885,7 @@ void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state)
struct rtl_ps_ctl *rtlps = rtl_psc(rtl_priv(hw));
struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info);
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n" , p2p_ps_state);
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n", p2p_ps_state);
switch (p2p_ps_state) {
case P2P_PS_DISABLE:
p2pinfo->p2p_ps_state = p2p_ps_state;
@@ -972,18 +937,18 @@ void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state)
default:
break;
}
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
- "ctwindow %x oppps %x\n",
- p2pinfo->ctwindow , p2pinfo->opp_ps);
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
- "count %x duration %x index %x interval %x start time %x noa num %x\n",
- p2pinfo->noa_count_type[0],
- p2pinfo->noa_duration[0],
- p2pinfo->noa_index,
- p2pinfo->noa_interval[0],
- p2pinfo->noa_start_time[0],
- p2pinfo->noa_num);
- RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "end\n");
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD,
+ "ctwindow %x oppps %x\n",
+ p2pinfo->ctwindow, p2pinfo->opp_ps);
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD,
+ "count %x duration %x index %x interval %x start time %x noa num %x\n",
+ p2pinfo->noa_count_type[0],
+ p2pinfo->noa_duration[0],
+ p2pinfo->noa_index,
+ p2pinfo->noa_interval[0],
+ p2pinfo->noa_start_time[0],
+ p2pinfo->noa_num);
+ rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "end\n");
}
void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len)