Re: [PATCH] staging: r8188eu: remove HW_VAR_MLME_SITESURVEY from SetHwReg8188EU()

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On 7/11/22 19:44, Michael Straube wrote:

Remove the HW_VAR_MLME_SITESURVEY case from SetHwReg8188EU() and move
the functionality to two new functions in rtw_mlme_ext.c. This is part
of the ongoing effort to get rid of SetHwReg8188EU().

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
  drivers/staging/r8188eu/core/rtw_mlme_ext.c   | 70 +++++++++++++++++--
  drivers/staging/r8188eu/core/rtw_p2p.c        |  9 +--
  drivers/staging/r8188eu/hal/usb_halinit.c     | 53 --------------
  drivers/staging/r8188eu/include/hal_intf.h    |  1 -
  .../staging/r8188eu/include/rtw_mlme_ext.h    |  3 +
  5 files changed, 70 insertions(+), 66 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index eecb00e41d6a..771910763fec 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -5695,9 +5695,70 @@ static void rtw_set_initial_gain(struct adapter *adapter, u8 gain)
  	}
  }
+void rtw_mlme_under_site_survey(struct adapter *adapter) 
+{
+	/* config RCR to receive different BSSID & not to receive data frame */
+
+	int res;
+	u8 reg;
+	u32 v;
+
+	res = rtw_read32(adapter, REG_RCR, &v);
+	if (res)
+		return;
+
+	v &= ~(RCR_CBSSID_BCN);
+	rtw_write32(adapter, REG_RCR, v);
+	/* reject all data frame */
+	rtw_write16(adapter, REG_RXFLTMAP2, 0x00);
+
+	/* disable update TSF */
+	res = rtw_read8(adapter, REG_BCN_CTRL, &reg);
+	if (res)
+		return;
+
+	rtw_write8(adapter, REG_BCN_CTRL, reg | BIT(4));
+}
+
+void rtw_mlme_site_survey_done(struct adapter *adapter)
+{
+	struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
+	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
+	u32 reg32;
+	int res;
+	u8 reg;
+
+	if ((is_client_associated_to_ap(adapter)) ||
+	    ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE)) {
+		/* enable to rx data frame */
+		rtw_write16(adapter, REG_RXFLTMAP2, 0xFFFF);
+
+		/* enable update TSF */
+		res = rtw_read8(adapter, REG_BCN_CTRL, &reg);
+		if (res)
+			return;
+
+		rtw_write8(adapter, REG_BCN_CTRL, reg & (~BIT(4)));
+	} else if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
+		rtw_write16(adapter, REG_RXFLTMAP2, 0xFFFF);
+		/* enable update TSF */
+		res = rtw_read8(adapter, REG_BCN_CTRL, &reg);
+		if (res)
+			return;
+
+		rtw_write8(adapter, REG_BCN_CTRL, reg & (~BIT(4)));
+	}
+
+	res = rtw_read32(adapter, REG_RCR, &reg32);
+	if (res)
+		return;
+
+	rtw_write32(adapter, REG_RCR, reg32 | RCR_CBSSID_BCN);
+}
+
  void site_survey(struct adapter *padapter)
  {
-	unsigned char		survey_channel = 0, val8;
+	unsigned char survey_channel = 0;
  	enum rt_scan_type ScanType = SCAN_PASSIVE;
  	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
  	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
@@ -5821,8 +5882,7 @@ void site_survey(struct adapter *padapter)
  			if (is_client_associated_to_ap(padapter))
  				issue_nulldata(padapter, NULL, 0, 3, 500);
- val8 = 0; /* survey done */ 
-			SetHwReg8188EU(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
+			rtw_mlme_site_survey_done(padapter);
report_surveydone_event(padapter); @@ -7343,7 +7403,6 @@ u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf) 
  	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
  	struct sitesurvey_parm	*pparm = (struct sitesurvey_parm *)pbuf;
  	u8 bdelayscan = false;
-	u8 val8;
  	u32	i;
  	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
@@ -7400,8 +7459,7 @@ u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf) 
  		/* set MSR to no link state */
  		Set_MSR(padapter, _HW_STATE_NOLINK_);
- val8 = 1; /* under site survey */ 
-		SetHwReg8188EU(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
+		rtw_mlme_under_site_survey(padapter);
pmlmeext->sitesurvey_res.state = SCAN_PROCESS; 
  	}
diff --git a/drivers/staging/r8188eu/core/rtw_p2p.c b/drivers/staging/r8188eu/core/rtw_p2p.c
index beffe5b16f1e..c306aafa183b 100644
--- a/drivers/staging/r8188eu/core/rtw_p2p.c
+++ b/drivers/staging/r8188eu/core/rtw_p2p.c
@@ -1450,10 +1450,9 @@ static void restore_p2p_state_handler(struct adapter *padapter)
  static void pre_tx_invitereq_handler(struct adapter *padapter)
  {
  	struct wifidirect_info  *pwdinfo = &padapter->wdinfo;
-	u8	val8 = 1;
set_channel_bwmode(padapter, pwdinfo->invitereq_info.peer_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); 
-	SetHwReg8188EU(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
+	rtw_mlme_under_site_survey(padapter);
  	issue_probereq_p2p(padapter, NULL);
  	_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
@@ -1462,10 +1461,9 @@ static void pre_tx_invitereq_handler(struct adapter *padapter) 
  static void pre_tx_provdisc_handler(struct adapter *padapter)
  {
  	struct wifidirect_info  *pwdinfo = &padapter->wdinfo;
-	u8	val8 = 1;
set_channel_bwmode(padapter, pwdinfo->tx_prov_disc_info.peer_channel_num[0], HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); 
-	SetHwReg8188EU(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
+	rtw_mlme_under_site_survey(padapter);
  	issue_probereq_p2p(padapter, NULL);
  	_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
@@ -1474,10 +1472,9 @@ static void pre_tx_provdisc_handler(struct adapter *padapter) 
  static void pre_tx_negoreq_handler(struct adapter *padapter)
  {
  	struct wifidirect_info  *pwdinfo = &padapter->wdinfo;
-	u8	val8 = 1;
set_channel_bwmode(padapter, pwdinfo->nego_req_info.peer_channel_num[0], HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); 
-	SetHwReg8188EU(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
+	rtw_mlme_under_site_survey(padapter);
  	issue_probereq_p2p(padapter, NULL);
  	_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c 
index 6b0337c09915..68d012a442a8 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -1104,59 +1104,6 @@ void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
  				ResumeTxBeacon(Adapter);
  		}
  		break;
-	case HW_VAR_MLME_SITESURVEY:
-		if (*((u8 *)val)) { /* under sitesurvey */
-			/* config RCR to receive different BSSID & not to receive data frame */
-			u32 v;
-
-			res = rtw_read32(Adapter, REG_RCR, &v);
-			if (res)
-				return;
-
-			v &= ~(RCR_CBSSID_BCN);
-			rtw_write32(Adapter, REG_RCR, v);
-			/* reject all data frame */
-			rtw_write16(Adapter, REG_RXFLTMAP2, 0x00);
-
-			/* disable update TSF */
-			res = rtw_read8(Adapter, REG_BCN_CTRL, &reg);
-			if (res)
-				return;
-
-			rtw_write8(Adapter, REG_BCN_CTRL, reg | BIT(4));
-		} else { /* sitesurvey done */
-			struct mlme_ext_priv	*pmlmeext = &Adapter->mlmeextpriv;
-			struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
-			u32 reg32;
-
-			if ((is_client_associated_to_ap(Adapter)) ||
-			    ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE)) {
-				/* enable to rx data frame */
-				rtw_write16(Adapter, REG_RXFLTMAP2, 0xFFFF);
-
-				/* enable update TSF */
-				res = rtw_read8(Adapter, REG_BCN_CTRL, &reg);
-				if (res)
-					return;
-
-				rtw_write8(Adapter, REG_BCN_CTRL, reg & (~BIT(4)));
-			} else if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
-				rtw_write16(Adapter, REG_RXFLTMAP2, 0xFFFF);
-				/* enable update TSF */
-				res = rtw_read8(Adapter, REG_BCN_CTRL, &reg);
-				if (res)
-					return;
-
-				rtw_write8(Adapter, REG_BCN_CTRL, reg & (~BIT(4)));
-			}
-
-			res = rtw_read32(Adapter, REG_RCR, &reg32);
-			if (res)
-				return;
-
-			rtw_write32(Adapter, REG_RCR, reg32 | RCR_CBSSID_BCN);
-		}
-		break;
  	default:
  		break;
  	}
diff --git a/drivers/staging/r8188eu/include/hal_intf.h b/drivers/staging/r8188eu/include/hal_intf.h
index 24bbba2cb7cf..819d0dc6e6dc 100644
--- a/drivers/staging/r8188eu/include/hal_intf.h
+++ b/drivers/staging/r8188eu/include/hal_intf.h
@@ -11,7 +11,6 @@
  enum hw_variables {
  	HW_VAR_SET_OPMODE,
  	HW_VAR_CORRECT_TSF,
-	HW_VAR_MLME_SITESURVEY,
  };
typedef s32 (*c2h_id_filter)(u8 id); 
diff --git a/drivers/staging/r8188eu/include/rtw_mlme_ext.h b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
index 3cc475aa912a..c630700ea657 100644
--- a/drivers/staging/r8188eu/include/rtw_mlme_ext.h
+++ b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
@@ -424,6 +424,9 @@ void invalidate_cam_all(struct adapter *padapter);
  int allocate_fw_sta_entry(struct adapter *padapter);
  void flush_all_cam_entry(struct adapter *padapter);
+void rtw_mlme_under_site_survey(struct adapter *adapter); 
+void rtw_mlme_site_survey_done(struct adapter *adapter);
+
  void site_survey(struct adapter *padapter);
  u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame,
  		    struct wlan_bssid_ex *bssid);



Tested-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx> # Edimax N150
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