diff --git a/wmi_unified_api.h b/wmi_unified_api.h
index 92a6d1cb32..4620c94fa1 100644
--- a/wmi_unified_api.h
+++ b/wmi_unified_api.h
@@ -2091,6 +2091,51 @@ QDF_STATUS wmi_unified_extract_obss_detection_info(void *wmi_hdl,
 						   uint8_t *data,
 						   struct wmi_obss_detect_info
 						   *info);
+/**
+ * wmi_unified_send_bss_color_change_enable_cmd() - WMI function to send bss
+ *  color change enable to FW.
+ * @wmi_hdl: wmi handle
+ * @vdev_id: vdev ID
+ * @enable: enable or disable color change handeling within firmware
+ *
+ * Send WMI_BSS_COLOR_CHANGE_ENABLE_CMDID parameters to fw,
+ * thereby firmware updates bss color when AP announces bss color change.
+ *
+ * Return: QDF_STATUS
+ */
+
+QDF_STATUS wmi_unified_send_bss_color_change_enable_cmd(void *wmi_hdl,
+							uint32_t vdev_id,
+							bool enable);
+
+/**
+ * wmi_unified_send_obss_color_collision_cfg_cmd() - WMI function to send bss
+ *  color collision detection configuration to FW.
+ * @wmi_hdl: wmi handle
+ * @cfg: obss color collision detection configuration
+ *
+ * Send WMI_OBSS_COLOR_COLLISION_DET_CONFIG_CMDID parameters to fw.
+ *
+ * Return: QDF_STATUS
+ */
+
+QDF_STATUS wmi_unified_send_obss_color_collision_cfg_cmd(void *wmi_hdl,
+		struct wmi_obss_color_collision_cfg_param *cfg);
+
+/**
+ * wmi_unified_extract_obss_color_collision_info() - WMI function to extract
+ *  obss color collision info from FW.
+ * @wmi_hdl: wmi handle
+ * @data: event data from firmware
+ * @info: Pointer to hold bss color collision info
+ *
+ * This function is used to extract bss collision info from firmware.
+ *
+ * Return: QDF_STATUS
+ */
+
+QDF_STATUS wmi_unified_extract_obss_color_collision_info(void *wmi_hdl,
+		uint8_t *data, struct wmi_obss_color_collision_info *info);
 
 #ifdef WLAN_SUPPORT_GREEN_AP
 QDF_STATUS wmi_extract_green_ap_egap_status_info(
diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index 31927384ed..95ac1f7080 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -5559,6 +5559,7 @@ typedef enum {
 	wmi_report_stats_event_id,
 	wmi_dma_buf_release_event_id,
 	wmi_sap_obss_detection_report_event_id,
+	wmi_obss_color_collision_report_event_id,
 	wmi_host_swfda_event_id,
 	wmi_sar_get_limits_event_id,
 
@@ -8276,7 +8277,7 @@ struct wmi_obss_detection_cfg_param {
 };
 
 /**
- * enum sap_obss_detection_reason - obss detection event reasons
+ * enum wmi_obss_detection_reason - obss detection event reasons
  * @OBSS_OFFLOAD_DETECTION_DISABLED: OBSS detection disabled
  * @OBSS_OFFLOAD_DETECTION_PRESENT: OBSS present detection
  * @OBSS_OFFLOAD_DETECTION_ABSENT: OBSS absent detection
@@ -8291,7 +8292,7 @@ enum wmi_obss_detection_reason {
 
 /**
  * struct wmi_obss_detect_info - OBSS detection info from firmware
- * @vdev_id: IDof the vdev to which this info belongs.
+ * @vdev_id: ID of the vdev to which this info belongs.
  * @reason: Indicate if present or Absent detection,
  *          also if not supported offload for this vdev.
  * @matched_detection_masks: Detection bit map.
@@ -8356,4 +8357,55 @@ struct wmi_invoke_neighbor_report_params {
 	struct mac_ssid ssid;
 };
 
+/**
+ * enum wmi_obss_color_collision_evt_type - bss color collision event type
+ * @OBSS_COLOR_COLLISION_DETECTION_DISABLE: OBSS color detection disabled
+ * @OBSS_COLOR_COLLISION_DETECTION: OBSS color collision detection
+ * @OBSS_COLOR_FREE_SLOT_TIMER_EXPIRY: OBSS free slot detection with
+ *                                     within expiry period
+ * @OBSS_COLOR_FREE_SLOT_AVAILABLE: OBSS free slot detection
+ *
+ * Defines different types of type for obss color collision event type.
+ */
+enum wmi_obss_color_collision_evt_type {
+	OBSS_COLOR_COLLISION_DETECTION_DISABLE = 0,
+	OBSS_COLOR_COLLISION_DETECTION = 1,
+	OBSS_COLOR_FREE_SLOT_TIMER_EXPIRY = 2,
+	OBSS_COLOR_FREE_SLOT_AVAILABLE = 3,
+};
+
+/**
+ * struct wmi_obss_color_collision_cfg_param - obss color collision cfg
+ * @vdev_id: vdev id
+ * @flags: proposed for future use cases, currently not used.
+ * @evt_type: bss color collision event.
+ * @current_bss_color: current bss color.
+ * @detection_period_ms: scan interval for both AP and STA mode.
+ * @scan_period_ms: scan period for passive scan to detect collision.
+ * @free_slot_expiry_time_ms: FW to notify host at timer expiry after
+ *                            which Host will disable the bss color.
+ */
+struct wmi_obss_color_collision_cfg_param {
+	uint32_t vdev_id;
+	uint32_t flags;
+	enum wmi_obss_color_collision_evt_type evt_type;
+	uint32_t current_bss_color;
+	uint32_t detection_period_ms;
+	uint32_t scan_period_ms;
+	uint32_t free_slot_expiry_time_ms;
+};
+
+/**
+ * struct wmi_obss_color_collision_info - bss color detection info from firmware
+ * @vdev_id: ID of the vdev to which this info belongs.
+ * @evt_type: bss color collision event.
+ * @obss_color_bitmap_bit0to31: Bit set indicating BSS color present.
+ * @obss_color_bitmap_bit32to63: Bit set indicating BSS color present.
+ */
+struct wmi_obss_color_collision_info {
+	uint32_t vdev_id;
+	enum wmi_obss_color_collision_evt_type evt_type;
+	uint32_t obss_color_bitmap_bit0to31;
+	uint32_t obss_color_bitmap_bit32to63;
+};
 #endif /* _WMI_UNIFIED_PARAM_H_ */
diff --git a/wmi_unified_priv.h b/wmi_unified_priv.h
index 1a3cf90bde..7e4397e681 100644
--- a/wmi_unified_priv.h
+++ b/wmi_unified_priv.h
@@ -1553,6 +1553,13 @@ int (*wmi_check_and_pad_event)(void *os_handle, void *param_struc_ptr,
 int (*wmi_check_command_params)(void *os_handle, void *param_struc_ptr,
 				A_UINT32 param_buf_len,
 				A_UINT32 wmi_cmd_event_id);
+QDF_STATUS (*send_bss_color_change_enable_cmd)(wmi_unified_t wmi_handle,
+					       uint32_t vdev_id,
+					       bool enable);
+QDF_STATUS (*send_obss_color_collision_cfg_cmd)(wmi_unified_t wmi_handle,
+		struct wmi_obss_color_collision_cfg_param *cfg);
+QDF_STATUS (*extract_obss_color_collision_info)(uint8_t *evt_buf,
+		struct wmi_obss_color_collision_info *info);
 };
 
 /* Forward declartion for psoc*/