--- a/mc_forward.c
+++ b/mc_forward.c
@@ -29,6 +29,9 @@
 #include "mc_snooping.h"
 #include "mc_osdep.h"
 
+int mc_forward_init(void) __maybe_unused;
+void mc_forward_exit(void) __maybe_unused;
+
 static void mc_retag(void *iph, __be16 etype, __be32 dscp)
 {
 	__be32 _dscp = MC_DSCP(dscp);
--- a/mc_netfilter.c
+++ b/mc_netfilter.c
@@ -26,6 +26,7 @@
 #include "mc_private.h"
 #include "mc_api.h"
 #include "mc_osdep.h"
+#include "mc_netfilter.h"
 
 /* mc_br_port_get
  *	get bridge port by ifindex
@@ -49,15 +50,15 @@ static struct net_bridge_port *mc_br_por
 /* mc_pre_routing_hook
  *	prerouting hook
  */
-static unsigned int mc_pre_routing_hook(void *priv,
+unsigned int mc_pre_routing_hook(void *priv,
 				    struct sk_buff *skb,
 				    const struct nf_hook_state *state)
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
-static unsigned int mc_pre_routing_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int mc_pre_routing_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
 					const struct net_device *in, const struct net_device *out,
 					int(*okfn)(struct sk_buff *))
 #else
-static unsigned int mc_pre_routing_hook(unsigned int hooknum, struct sk_buff *skb,
+unsigned int mc_pre_routing_hook(unsigned int hooknum, struct sk_buff *skb,
 					const struct net_device *in, const struct net_device *out,
 					int(*okfn)(struct sk_buff *))
 #endif
@@ -233,15 +234,15 @@ static bool mc_is_report_or_leave(struct
 /* mc_forward_hook
  *	forward hook to the linux kernel
  */
-static unsigned int mc_forward_hook(void *priv,
+unsigned int mc_forward_hook(void *priv,
 				    struct sk_buff *skb,
 				    const struct nf_hook_state *state)
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
-static unsigned int mc_forward_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int mc_forward_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
 		const struct net_device *in, const struct net_device *out,
 		int(*okfn)(struct sk_buff *))
 #else
-static unsigned int mc_forward_hook(unsigned int hooknum, struct sk_buff *skb,
+unsigned int mc_forward_hook(unsigned int hooknum, struct sk_buff *skb,
 		const struct net_device *in, const struct net_device *out,
 		int(*okfn)(struct sk_buff *))
 #endif
--- a/mc_netfilter.h
+++ b/mc_netfilter.h
@@ -23,7 +23,15 @@ void mc_netfilter_exit(void);
 #include <linux/netfilter.h>
 #include <linux/netdevice.h>
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0))
+unsigned int mc_pre_routing_hook(void *priv,
+				    struct sk_buff *skb,
+				    const struct nf_hook_state *state);
+
+unsigned int mc_forward_hook(void *priv,
+				    struct sk_buff *skb,
+				    const struct nf_hook_state *state);
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
 unsigned int mc_pre_routing_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
 				 const struct net_device *in, const struct net_device *out,
 				 int(*okfn)(struct sk_buff *));
--- a/mc_snooping.c
+++ b/mc_snooping.c
@@ -15,6 +15,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
@@ -28,7 +29,11 @@
 #include <linux/etherdevice.h>
 #include <linux/rculist.h>
 #include <linux/timer.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 12, 0))
+#include <linux/unaligned.h>
+#else
 #include <asm/unaligned.h>
+#endif
 #include <asm/atomic.h>
 #include <linux/random.h>
 #include <net/ip.h>
@@ -3240,7 +3245,6 @@ static void mc_acl_table_init(struct mc_
 	mc->mld_acl.pattern_count = 4;
 #endif
 
-	return;
 }
 
 /* mc_event_delay
--- a/mc_snooping.h
+++ b/mc_snooping.h
@@ -44,6 +44,8 @@ void mc_detach(struct net_device *dev);
 
 int mc_has_more_instance(void);
 
+int mc_proc_create_snooper_entry(void);
+
 extern void mc_nbp_change(struct mc_struct *mc, struct net_device *dev, int event);
 
 extern void mc_fdb_change(__u8 *mac, int change);