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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: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2014-02-25 17:42:09 +05:30 committed by John W. Linville
parent c3015313ae
commit 4c924f42c9
1 changed files with 40 additions and 0 deletions
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40
drivers/net/wireless/mwl8k.c
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@ -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)