ath6kl: Retain bg scan period value modified by the user

Added a new member bg_scan_period in struct ath6kl_vif
to retain background scan period value configured via debugfs
entry 'bgscan_interval'. This backup is needed in schedule scan
path while configuring scan parameters.

Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

3 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index c5e90d30c672..20881334da60 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3370,6 +3370,7 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
         vif->next_mode = nw_type;
         vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
         vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
+        vif->bg_scan_period = 0;
         vif->htcap.ht_enable = true;
 
         memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 280f305e599d..a97cb836106a 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -557,6 +557,7 @@ struct ath6kl_vif {
         u16 assoc_bss_beacon_int;
         u16 listen_intvl_t;
         u16 bmiss_time_t;
+        u16 bg_scan_period;
         u8 assoc_bss_dtim_period;
         struct net_device_stats net_stats;
         struct target_stats target_stats;
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 496382f472de..acb6430d8e7e 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -1578,10 +1578,15 @@ static ssize_t ath6kl_bgscan_int_write(struct file *file,
                                 size_t count, loff_t *ppos)
 {
         struct ath6kl *ar = file->private_data;
+        struct ath6kl_vif *vif;
         u16 bgscan_int;
         char buf[32];
         ssize_t len;
 
+        vif = ath6kl_vif_first(ar);
+        if (!vif)
+                return -EIO;
+
         len = min(count, sizeof(buf) - 1);
         if (copy_from_user(buf, user_buf, len))
                 return -EFAULT;
@@ -1593,6 +1598,8 @@ static ssize_t ath6kl_bgscan_int_write(struct file *file,
         if (bgscan_int == 0)
                 bgscan_int = 0xffff;
 
+        vif->bg_scan_period = bgscan_int;
+
         ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
                                   0, 0, 0);