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authorYogesh Ashok Powar <yogeshp@marvell.com>2014-02-25 17:42:09 +0530
committerJohn W. Linville <linville@tuxdriver.com>2014-02-28 14:33:10 -0500
commit4c924f42c9c9f60ca861a8c4a52825778e9e09a0 (patch)
treeb6a39b725383f7ebe54549a8d7dfe60d92bba89d /drivers/net/wireless/mwl8k.c
parentc3015313aea0f765dbe743f95087a5994db082f2 (diff)
downloadtalos-op-linux-4c924f42c9c9f60ca861a8c4a52825778e9e09a0.tar.gz
talos-op-linux-4c924f42c9c9f60ca861a8c4a52825778e9e09a0.zip
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>
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
-rw-r--r--drivers/net/wireless/mwl8k.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 6c002f3d91cd..61d5bea9a9d7 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -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)
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