diff --git a/core/rtw_br_ext.c b/core/rtw_br_ext.c
index 8a67073..a2c491e 100644
--- a/core/rtw_br_ext.c
+++ b/core/rtw_br_ext.c
@@ -811,7 +811,7 @@ int nat25_db_handle(_adapter *priv, struct sk_buff *skb, int method)
 					if (*((unsigned char *)&iph->daddr + 3) == 0xff) {
 						/* L2 is unicast but L3 is broadcast, make L2 bacome broadcast */
 						RTW_INFO("NAT25: Set DA as boardcast\n");
-						memset(skb->data, 0xff, ETH_ALEN);
+						eth_broadcast_addr(skb->data);
 					} else {
 						/* forward unknow IP packet to upper TCP/IP */
 						RTW_INFO("NAT25: Replace DA with BR's MAC\n");
diff --git a/core/rtw_mlme_ext.c b/core/rtw_mlme_ext.c
index 2f769e2..280651f 100644
--- a/core/rtw_mlme_ext.c
+++ b/core/rtw_mlme_ext.c
@@ -5786,7 +5786,6 @@ int _issue_probereq_p2p(_adapter *padapter, u8 *da, int wait_ack)
 	unsigned char			*mac;
 	struct xmit_priv		*pxmitpriv = &(padapter->xmitpriv);
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct wifidirect_info	*pwdinfo = &(padapter->wdinfo);
 	u8					wpsie[255] = { 0x00 }, p2pie[255] = { 0x00 };
 	u16					wpsielen = 0, p2pielen = 0;
@@ -5831,8 +5830,8 @@ int _issue_probereq_p2p(_adapter *padapter, u8 *da, int wait_ack)
 			memcpy(pwlanhdr->addr3, pwdinfo->p2p_peer_interface_addr, ETH_ALEN);
 		} else {
 			/*	broadcast probe request frame */
-			memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
-			memcpy(pwlanhdr->addr3, bc_addr, ETH_ALEN);
+			eth_broadcast_addr(pwlanhdr->addr1);
+			eth_broadcast_addr(pwlanhdr->addr3);
 		}
 	}
 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
@@ -7792,7 +7791,6 @@ void issue_beacon(_adapter *padapter, int timeout_ms)
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	WLAN_BSSID_EX		*cur_network = &(pmlmeinfo->network);
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 #ifdef CONFIG_P2P
 	struct wifidirect_info	*pwdinfo = &(padapter->wdinfo);
 #endif /* CONFIG_P2P */
@@ -7838,7 +7836,7 @@ void issue_beacon(_adapter *padapter, int timeout_ms)
 	fctrl = &(pwlanhdr->frame_ctl);
 	*(fctrl) = 0;
 
-	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+	eth_broadcast_addr(pwlanhdr->addr1);
 	memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
 	memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN);
 
@@ -8392,7 +8390,6 @@ int _issue_probereq(_adapter *padapter, const NDIS_802_11_SSID *pssid, const u8
 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	int	bssrate_len = 0;
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 #ifdef CONFIG_RTW_CFGVENDOR_RANDOM_MAC_OUI
 	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
 #endif
@@ -8432,8 +8429,8 @@ int _issue_probereq(_adapter *padapter, const NDIS_802_11_SSID *pssid, const u8
 		memcpy(pwlanhdr->addr3, da, ETH_ALEN);
 	} else {
 		/*	broadcast probe request frame */
-		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
-		memcpy(pwlanhdr->addr3, bc_addr, ETH_ALEN);
+		eth_broadcast_addr(pwlanhdr->addr1);
+		eth_broadcast_addr(pwlanhdr->addr3);
 	}
 
 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
diff --git a/hal/hal_com.c b/hal/hal_com.c
index bdc3b2d..ca7ad38 100644
--- a/hal/hal_com.c
+++ b/hal/hal_com.c
@@ -5968,7 +5968,6 @@ static void rtw_hal_construct_P2PBeacon(_adapter *padapter, u8 *pframe, u32 *pLe
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	WLAN_BSSID_EX		*cur_network = &(pmlmeinfo->network);
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 #ifdef CONFIG_P2P
 	struct wifidirect_info	*pwdinfo = &(padapter->wdinfo);
 #endif /* CONFIG_P2P */
@@ -5988,7 +5987,7 @@ static void rtw_hal_construct_P2PBeacon(_adapter *padapter, u8 *pframe, u32 *pLe
 	fctrl = &(pwlanhdr->frame_ctl);
 	*(fctrl) = 0;
 
-	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+	eth_broadcast_addr(pwlanhdr->addr1);
 	memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
 	memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN);
 
@@ -7389,8 +7388,6 @@ void rtw_hal_construct_beacon(_adapter *padapter,
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	WLAN_BSSID_EX		*cur_network = &(pmlmeinfo->network);
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 
 	/* RTW_INFO("%s\n", __FUNCTION__); */
 
@@ -7399,7 +7396,7 @@ void rtw_hal_construct_beacon(_adapter *padapter,
 	fctrl = &(pwlanhdr->frame_ctl);
 	*(fctrl) = 0;
 
-	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+	eth_broadcast_addr(pwlanhdr->addr1);
 	memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
 	memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN);
 
@@ -7526,8 +7523,6 @@ void rtw_hal_construct_fw_dbg_msg_pkt(
 	struct wlan_network		*cur_network = &pmlmepriv->cur_network;
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 
 	/* RTW_INFO("%s:%d\n", __FUNCTION__, bForcePowerSave); */
 
@@ -7536,7 +7531,7 @@ void rtw_hal_construct_fw_dbg_msg_pkt(
 	fctrl = &pwlanhdr->frame_ctl;
 	*(fctrl) = 0;
 
-	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+	eth_broadcast_addr(pwlanhdr->addr1);
 	memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
 
@@ -8040,7 +8035,6 @@ static void rtw_hal_construct_ProbeReq(_adapter *padapter, u8 *pframe,
 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
 	int	bssrate_len = 0;
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
 	pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
 	mac = adapter_mac_addr(padapter);
@@ -8048,8 +8042,8 @@ static void rtw_hal_construct_ProbeReq(_adapter *padapter, u8 *pframe,
 	fctrl = &(pwlanhdr->frame_ctl);
 	*(fctrl) = 0;
 
-	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
-	memcpy(pwlanhdr->addr3, bc_addr, ETH_ALEN);
+	eth_broadcast_addr(pwlanhdr->addr1);
+	eth_broadcast_addr(pwlanhdr->addr3);
 
 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
 
diff --git a/hal/hal_mcc.c b/hal/hal_mcc.c
index d8eafbd..aee46de 100644
--- a/hal/hal_mcc.c
+++ b/hal/hal_mcc.c
@@ -984,8 +984,6 @@ exit:
 
 static void rtw_hal_construct_CTS(PADAPTER padapter, u8 *pframe, u32 *pLength)
 {
-	u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 	/* frame type, length = 1*/
 	set_frame_sub_type(pframe, WIFI_RTS);
 
@@ -997,7 +995,7 @@ static void rtw_hal_construct_CTS(PADAPTER padapter, u8 *pframe, u32 *pLength)
 	*(pframe + 3) = 0x78;
 
 	/* frame recvaddr, length = 6 */
-	memcpy((pframe + 4), broadcast_addr, ETH_ALEN);
+	eth_broadcast_addr((pframe + 4));
 	memcpy((pframe + 4 + ETH_ALEN), adapter_mac_addr(padapter), ETH_ALEN);
 	memcpy((pframe + 4 + ETH_ALEN*2), adapter_mac_addr(padapter), ETH_ALEN);
 	*pLength = 22;
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 05b2a8e..d6fddbf 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -788,7 +788,6 @@ struct cfg80211_bss *rtw_cfg80211_inform_bss(_adapter *padapter, struct wlan_net
 	size_t len, bssinf_len = 0;
 	struct rtw_ieee80211_hdr *pwlanhdr;
 	unsigned short *fctrl;
-	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
 	struct wireless_dev *wdev = padapter->rtw_wdev;
 	struct wiphy *wiphy = wdev->wiphy;
@@ -863,7 +862,7 @@ struct cfg80211_bss *rtw_cfg80211_inform_bss(_adapter *padapter, struct wlan_net
 	/* pmlmeext->mgnt_seq++; */
 
 	if (pnetwork->network.Reserved[0] == BSS_TYPE_BCN) { /* IEEE80211_STYPE_BEACON */
-		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+		eth_broadcast_addr(pwlanhdr->addr1);
 		set_frame_sub_type(pbuf, IEEE80211_STYPE_BEACON);
 	} else {
 		memcpy(pwlanhdr->addr1, adapter_mac_addr(padapter), ETH_ALEN);
@@ -1724,7 +1723,7 @@ static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev
 	memset(param, 0, param_len);
 
 	param->cmd = IEEE_CMD_SET_ENCRYPTION;
-	memset(param->sta_addr, 0xff, ETH_ALEN);
+	eth_broadcast_addr(param->sta_addr);
 
 	switch (params->cipher) {
 	case IW_AUTH_CIPHER_NONE:
diff --git a/os_dep/linux/ioctl_linux.c b/os_dep/linux/ioctl_linux.c
index 5a5858e..7a4f7d2 100644
--- a/os_dep/linux/ioctl_linux.c
+++ b/os_dep/linux/ioctl_linux.c
@@ -3040,7 +3040,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev,
 	memset(param, 0, param_len);
 
 	param->cmd = IEEE_CMD_SET_ENCRYPTION;
-	memset(param->sta_addr, 0xff, ETH_ALEN);
+	eth_broadcast_addr(param->sta_addr);
 
 
 	switch (pext->alg) {