ath6kl: support changing dtim period on AP mode

This patch adds support for dtim_period configuration in beacon.

kvalo: add a comment about ignoring the error, use vif_idx,
add \n to the warning message

Signed-off-by: Etay Luz <eluz@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

3 files changed, 28 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index d2129030fd7..f00d377343d 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2783,9 +2783,15 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
 
         /* TODO:
          * info->interval
-         * info->dtim_period
          */
 
+        ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
+                                         info->dtim_period);
+
+        /* ignore error, just print a warning and continue normally */
+        if (ret)
+                ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
+
         if (info->beacon.head == NULL)
                 return -EINVAL;
         mgmt = (struct ieee80211_mgmt *) info->beacon.head;
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index 43bce9c8a86..a6caa673e8a 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -752,6 +752,22 @@ int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
                                    NO_SYNC_WMIFLAG);
 }
 
+int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
+{
+        struct sk_buff *skb;
+        struct set_dtim_cmd *cmd;
+
+        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+        if (!skb)
+                return -ENOMEM;
+
+        cmd = (struct set_dtim_cmd *) skb->data;
+
+        cmd->dtim_period = cpu_to_le32(dtim_period);
+        return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
+                                   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
+}
+
 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
 {
         struct sk_buff *skb;
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
index 7c94fe3e9e6..43339aca585 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
@@ -1617,6 +1617,10 @@ struct roam_ctrl_cmd {
         u8 roam_ctrl;
 } __packed;
 
+struct set_dtim_cmd {
+        __le32 dtim_period;
+} __packed;
+
 /* BSS INFO HDR version 2.0 */
 struct wmi_bss_info_hdr2 {
         __le16 ch; /* frequency in MHz */
@@ -2589,6 +2593,7 @@ int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
                                    u16 list_id, u16 filter_id);
 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi);
+int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period);
 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid);
 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode);
 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on);