qcacmn: Add oem target six ghz support disable flag in wifipos

Host driver sends channel list and number of channels to lowi-server
in ANI_MSG_GET_OEM_CAP_RSP. 6Ghz channels in the channel list are not
useful for legacy lowi-server not supporting 6Ghz channels.

For legacy oem targets, driver sets "oem_6g_support_disable".

Change-Id: Ibc072ff2df3d7b246d3a48d7cebcb5feac35b715
CRs-Fixed: 2597645

umac/wifi_pos/inc/wifi_pos_api.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -330,6 +330,16 @@ uint32_t ucfg_wifi_pos_get_ftm_cap(struct wlan_objmgr_psoc *psoc);
  */
 void ucfg_wifi_pos_set_ftm_cap(struct wlan_objmgr_psoc *psoc, uint32_t val);
 
+/**
+ * ucfg_wifi_pos_set_oem_6g_supported: API to set oem target 6g enabled/disabled
+ * @psoc: psoc object
+ * @val: value to set
+ *
+ * Return: None
+ */
+void ucfg_wifi_pos_set_oem_6g_supported(struct wlan_objmgr_psoc *psoc,
+					bool val);
+
 /**
  * wifi_pos_get_app_pid: returns oem app pid.
  * @psoc: pointer to psoc object

umac/wifi_pos/src/wifi_pos_main.c

@@ -762,10 +762,13 @@ static void wifi_pos_pdev_iterator(struct wlan_objmgr_psoc *psoc,
 				   void *obj, void *arg)
 {
 	QDF_STATUS status;
-	uint8_t i, num_channels, size;
+	uint8_t i, num_channels, size, valid_ch = 0;
 	struct wlan_objmgr_pdev *pdev = obj;
 	struct wifi_pos_driver_caps *caps = arg;
 	struct channel_power *ch_list;
+	bool oem_6g_support_disable;
+	struct wifi_pos_psoc_priv_obj *wifi_pos_obj =
+					wifi_pos_get_psoc_priv_obj(psoc);
 
 	size = QDF_MAX(OEM_CAP_MAX_NUM_CHANNELS, NUM_CHANNELS);
 	ch_list = qdf_mem_malloc(size * sizeof(*ch_list));
@@ -783,9 +786,17 @@ static void wifi_pos_pdev_iterator(struct wlan_objmgr_psoc *psoc,
 	if (num_channels > OEM_CAP_MAX_NUM_CHANNELS)
 		num_channels = OEM_CAP_MAX_NUM_CHANNELS;
 
-	for (i = 0; i < num_channels; i++)
+	qdf_spin_lock_bh(&wifi_pos_obj->wifi_pos_lock);
-		caps->channel_list[i] = ch_list[i].chan_num;
+	oem_6g_support_disable = wifi_pos_obj->oem_6g_support_disable;
-	caps->num_channels = num_channels;
+	qdf_spin_unlock_bh(&wifi_pos_obj->wifi_pos_lock);
+
+	for (i = 0; i < num_channels; i++) {
+		if (oem_6g_support_disable &&
+		    WLAN_REG_IS_6GHZ_CHAN_FREQ(ch_list[i].center_freq))
+			continue;
+		caps->channel_list[valid_ch++] = ch_list[i].chan_num;
+	}
+	caps->num_channels = valid_ch;
 	qdf_mem_free(ch_list);
 }
 

umac/wifi_pos/src/wifi_pos_ucfg.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018, 2020 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -101,3 +101,17 @@ void ucfg_wifi_pos_set_ftm_cap(struct wlan_objmgr_psoc *psoc, uint32_t val)
 	qdf_spin_unlock_bh(&wifi_pos_psoc->wifi_pos_lock);
 }
 
+void ucfg_wifi_pos_set_oem_6g_supported(struct wlan_objmgr_psoc *psoc,
+					bool val)
+{
+	struct wifi_pos_psoc_priv_obj *wifi_pos_psoc =
+			wifi_pos_get_psoc_priv_obj(psoc);
+	if (!wifi_pos_psoc) {
+		wifi_pos_alert("unable to get wifi_pos psoc obj");
+		return;
+	}
+
+	qdf_spin_lock_bh(&wifi_pos_psoc->wifi_pos_lock);
+	wifi_pos_psoc->oem_6g_support_disable = val;
+	qdf_spin_unlock_bh(&wifi_pos_psoc->wifi_pos_lock);
+}

umac/wifi_pos/src/wifi_pos_utils_i.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -301,6 +301,7 @@ struct wifi_pos_dma_rings_cfg {
  * @dma_buf_pool: DMA buffer pools maintained at host: this will be 2-D array
  * where with num_rows = number of rings num_elements in each row = ring depth
  * @wifi_pos_lock: lock to access wifi pos priv object
+ * @oem_6g_support_disable: oem target 6ghz support is disabled if set
  * @wifi_pos_req_handler: function pointer to handle TLV or non-TLV
  * @wifi_pos_send_rsp: function pointer to send msg to userspace APP
  *
@@ -338,6 +339,7 @@ struct wifi_pos_psoc_priv_obj {
 	struct wifi_pos_dma_buf_info **dma_buf_pool;
 
 	qdf_spinlock_t wifi_pos_lock;
+	bool oem_6g_support_disable;
 	QDF_STATUS (*wifi_pos_req_handler)(struct wlan_objmgr_psoc *psoc,
 				    struct wifi_pos_req_msg *req);
 	void (*wifi_pos_send_rsp)(uint32_t, uint32_t, uint32_t, uint8_t *);