diff --git a/wmi/inc/wmi_unified_param.h b/wmi/inc/wmi_unified_param.h
index 48bfda8eb7..2b616908db 100644
--- a/wmi/inc/wmi_unified_param.h
+++ b/wmi/inc/wmi_unified_param.h
@@ -614,6 +614,8 @@ struct mac_ssid {
  * @reg_info_1: to update min power, max power,
  *              reg power and reg class id
  * @reg_info_2: to update antennamax
+ * @cac_duration_ms: cac duration in milliseconds
+ * @regdomain: Regulatory domain
  * @oper_mode: Operating mode
  * @dfs_pri_multiplier: DFS primary multiplier
  *    allow pulse if they are within multiple of PRI for the radar type
@@ -643,6 +645,8 @@ struct vdev_start_params {
 	uint32_t num_noa_descriptors;
 	uint32_t preferred_rx_streams;
 	uint32_t preferred_tx_streams;
+	uint32_t cac_duration_ms;
+	uint32_t regdomain;
 #ifndef CONFIG_MCL
 	uint8_t oper_mode;
 	int32_t dfs_pri_multiplier;
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index c95308de49..54393939bf 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -352,6 +352,8 @@ static QDF_STATUS send_vdev_start_cmd_tlv(wmi_unified_t wmi_handle,
 	cmd->num_noa_descriptors = req->num_noa_descriptors;
 	cmd->preferred_rx_streams = req->preferred_rx_streams;
 	cmd->preferred_tx_streams = req->preferred_tx_streams;
+	cmd->cac_duration_ms = req->cac_duration_ms;
+	cmd->regdomain = req->regdomain;
 
 	buf_ptr = (uint8_t *) (((uintptr_t) cmd) + sizeof(*cmd) +
 			       sizeof(wmi_channel));
@@ -361,12 +363,13 @@ static QDF_STATUS send_vdev_start_cmd_tlv(wmi_unified_t wmi_handle,
 	WMI_LOGA("%s: vdev_id %d freq %d chanmode %d ch_info: 0x%x is_dfs %d "
 		"beacon interval %d dtim %d center_chan %d center_freq2 %d "
 		"reg_info_1: 0x%x reg_info_2: 0x%x, req->max_txpow: 0x%x "
-		"Tx SS %d, Rx SS %d",
+		"Tx SS %d, Rx SS %d, cac %d, regd %d",
 		__func__, req->vdev_id, chan->mhz, req->chan_mode, chan->info,
 		req->is_dfs, req->beacon_intval, cmd->dtim_period,
 		chan->band_center_freq1, chan->band_center_freq2,
 		chan->reg_info_1, chan->reg_info_2, req->max_txpow,
-		req->preferred_tx_streams, req->preferred_rx_streams);
+		req->preferred_tx_streams, req->preferred_rx_streams,
+		req->cac_duration_ms, req->regdomain);
 
 	if (req->is_restart)
 		ret = wmi_unified_cmd_send(wmi_handle, buf, len,