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Commit 4c924f42 authored by Yogesh Ashok Powar's avatar Yogesh Ashok Powar Committed by John W. Linville
Browse files

mwl8k: Implement sw_scan start/stop cbs 



Implement sw_scan start and stop callbacks.
Reset BBP registers for channel, RX busy and
average noise stats which clear on read.

Signed-off-by: default avatarYogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: default avatarNishant Sarmukadam <nishants@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent c3015313

drivers/net/wireless/mwl8k.c

+40 −0
Original line number Diff line number Diff line
@@ -81,6 +81,9 @@ MODULE_PARM_DESC(ap_mode_default, 
 */



#define	MWL8K_HW_TIMER_REGISTER			0x0000a600

#define BBU_RXRDY_CNT_REG			0x0000a860

#define NOK_CCA_CNT_REG				0x0000a6a0

#define BBU_AVG_NOISE_VAL			0x67



#define MWL8K_A2H_EVENTS	(MWL8K_A2H_INT_DUMMY | \

				 MWL8K_A2H_INT_CHNL_SWITCHED | \
@@ -289,6 +292,9 @@ struct mwl8k_priv { 


	/* bitmap of running BSSes */

	u32 running_bsses;



	/* ACS related */

	bool sw_scan_start;

};



#define MAX_WEP_KEY_LEN         13
@@ -5448,6 +5454,38 @@ mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 
	return rc;

}



static void mwl8k_sw_scan_start(struct ieee80211_hw *hw)

{

	struct mwl8k_priv *priv = hw->priv;

	u8 tmp;



	if (!priv->ap_fw)

		return;



	/* clear all stats */

	ioread32(priv->regs + BBU_RXRDY_CNT_REG);

	ioread32(priv->regs + NOK_CCA_CNT_REG);

	mwl8k_cmd_bbp_reg_access(priv->hw, 0, BBU_AVG_NOISE_VAL, &tmp);



	priv->sw_scan_start = true;

}



static void mwl8k_sw_scan_complete(struct ieee80211_hw *hw)

{

	struct mwl8k_priv *priv = hw->priv;

	u8 tmp;



	if (!priv->ap_fw)

		return;



	priv->sw_scan_start = false;



	/* clear all stats */

	ioread32(priv->regs + BBU_RXRDY_CNT_REG);

	ioread32(priv->regs + NOK_CCA_CNT_REG);

	mwl8k_cmd_bbp_reg_access(priv->hw, 0, BBU_AVG_NOISE_VAL, &tmp);

}



static const struct ieee80211_ops mwl8k_ops = {

	.tx			= mwl8k_tx,

	.start			= mwl8k_start,
@@ -5466,6 +5504,8 @@ static const struct ieee80211_ops mwl8k_ops = { 
	.get_stats		= mwl8k_get_stats,

	.get_survey		= mwl8k_get_survey,

	.ampdu_action		= mwl8k_ampdu_action,

	.sw_scan_start		= mwl8k_sw_scan_start,

	.sw_scan_complete	= mwl8k_sw_scan_complete,

};



static void mwl8k_finalize_join_worker(struct work_struct *work)