--- a/include/ieee80211.h
+++ b/include/ieee80211.h
@@ -1529,7 +1529,7 @@ enum ieee80211_state {
 	(((Addr[2]) & 0xff) == 0xff) && (((Addr[3]) & 0xff) == 0xff) && (((Addr[4]) & 0xff) == 0xff) && \
 				     (((Addr[5]) & 0xff) == 0xff))
 #else
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 00))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 00) && !defined(BUILD_OPENWRT))
 extern __inline int is_multicast_mac_addr(const u8 *addr)
 {
 	return (addr[0] != 0xff) && (0x01 & addr[0]);
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -417,7 +417,9 @@ u8 rtw_cfg80211_ch_switch_notify(_adapte
 	if (ret != _SUCCESS)
 		goto exit;
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0) || defined(BUILD_OPENWRT))
+        cfg80211_ch_switch_notify(adapter->pnetdev, &chdef, 0, 0);
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
 	cfg80211_ch_switch_notify(adapter->pnetdev, &chdef, 0);
 #else
 	cfg80211_ch_switch_notify(adapter->pnetdev, &chdef);
@@ -1103,7 +1105,7 @@ check_bss:
 		#endif
 
 		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) || defined(RHEL79))
-		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0))
+		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0) || defined(BUILD_OPENWRT))
 		roam_info.links[0].bssid = cur_network->network.MacAddress;
 		#else
 		roam_info.bssid = cur_network->network.MacAddress;
@@ -1660,6 +1662,9 @@ exit:
 }
 
 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0) || defined(BUILD_OPENWRT))
+	, int link_id
+#endif
 	, u8 key_index
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
 	, bool pairwise
@@ -1804,6 +1809,9 @@ addkey_end:
 }
 
 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0) || defined(BUILD_OPENWRT))
+	, int link_id
+#endif
 	, u8 keyid
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
 	, bool pairwise
@@ -1969,6 +1977,9 @@ exit:
 }
 
 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0) || defined(BUILD_OPENWRT))
+	int link_id,
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
 				u8 key_index, bool pairwise, const u8 *mac_addr)
 #else	/* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) */
@@ -1989,7 +2000,11 @@ static int cfg80211_rtw_del_key(struct w
 }
 
 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
-	struct net_device *ndev, u8 key_index
+	struct net_device *ndev,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0) || defined(BUILD_OPENWRT))
+	int link_id,
+#endif
+	u8 key_index
 	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
 	, bool unicast, bool multicast
 	#endif
@@ -2037,7 +2052,11 @@ static int cfg80211_rtw_set_default_key(
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30))
 int cfg80211_rtw_set_default_mgmt_key(struct wiphy *wiphy,
-	struct net_device *ndev, u8 key_index)
+	struct net_device *ndev,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0) || defined(BUILD_OPENWRT))
+	int link_id,
+#endif
+	u8 key_index)
 {
 #define SET_DEF_KEY_PARAM_FMT " key_index=%d"
 #define SET_DEF_KEY_PARAM_ARG , key_index
@@ -4884,7 +4903,7 @@ static int cfg80211_rtw_change_beacon(st
 	return ret;
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0) || defined(BUILD_OPENWRT))
 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev, unsigned int link_id)
 #else
 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
@@ -7106,7 +7125,7 @@ exit:
 	return ret;
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)) || defined(BUILD_OPENWRT)
 static void cfg80211_rtw_update_mgmt_frame_register(struct wiphy *wiphy,
                                              struct wireless_dev *wdev,
                                              struct mgmt_frame_regs *upd)
@@ -9442,7 +9461,7 @@ static struct cfg80211_ops rtw_cfg80211_
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
 	.mgmt_tx = cfg80211_rtw_mgmt_tx,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)) || defined(BUILD_OPENWRT)
 	.update_mgmt_frame_registrations = cfg80211_rtw_update_mgmt_frame_register,
 #else
 	.mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
@@ -9646,7 +9665,7 @@ void rtw_wdev_unregister(struct wireless
 	rtw_cfg80211_indicate_scan_done(adapter, _TRUE);
 
 	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) || defined(COMPAT_KERNEL_RELEASE)
-	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
+	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0) || defined(BUILD_OPENWRT))
 	if (wdev->connected) {
 	#else
 	if (wdev->current_bss) {
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -1618,7 +1618,7 @@ int rtw_os_ndev_register(_adapter *adapt
 	u8 rtnl_lock_needed = rtw_rtnl_lock_needed(dvobj);
 
 #ifdef CONFIG_RTW_NAPI
-	netif_napi_add(ndev, &adapter->napi, rtw_recv_napi_poll, RTL_NAPI_WEIGHT);
+	netif_napi_add(ndev, &adapter->napi, rtw_recv_napi_poll);
 #endif /* CONFIG_RTW_NAPI */
 
 #if defined(CONFIG_IOCTL_CFG80211)
--- a/os_dep/osdep_service.c
+++ b/os_dep/osdep_service.c
@@ -2574,7 +2574,9 @@ u64 rtw_division64(u64 x, u64 y)
 inline u32 rtw_random32(void)
 {
 #ifdef PLATFORM_LINUX
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
+	return get_random_u32();
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
 	return prandom_u32();
 #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18))
 	u32 random_int;