netfilter: Generalize ingress hook include file

Prepare for addition of a netfilter egress hook by generalizing the ingress hook include file. No functional change intended. Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
bardliao · Oct 14, 2021 · 17d2078 · 17d2078
1 parent 7463acf
commit 17d2078
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Showing 2 changed files with 12 additions and 10 deletions.
diff --git a/include/linux/netfilter_netdev.h b/include/linux/netfilter_netdev.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NETFILTER_INGRESS_H_
-#define _NETFILTER_INGRESS_H_
+#ifndef _NETFILTER_NETDEV_H_
+#define _NETFILTER_NETDEV_H_
 
 #include <linux/netfilter.h>
 #include <linux/netdevice.h>
@@ -38,10 +38,6 @@ static inline int nf_hook_ingress(struct sk_buff *skb)
 	return ret;
 }
 
-static inline void nf_hook_ingress_init(struct net_device *dev)
-{
-	RCU_INIT_POINTER(dev->nf_hooks_ingress, NULL);
-}
 #else /* CONFIG_NETFILTER_INGRESS */
 static inline int nf_hook_ingress_active(struct sk_buff *skb)
 {
@@ -52,7 +48,13 @@ static inline int nf_hook_ingress(struct sk_buff *skb)
 {
 	return 0;
 }
-
-static inline void nf_hook_ingress_init(struct net_device *dev) {}
 #endif /* CONFIG_NETFILTER_INGRESS */
-#endif /* _NETFILTER_INGRESS_H_ */
+
+static inline void nf_hook_netdev_init(struct net_device *dev)
+{
+#ifdef CONFIG_NETFILTER_INGRESS
+	RCU_INIT_POINTER(dev->nf_hooks_ingress, NULL);
+#endif
+}
+
+#endif /* _NETFILTER_NETDEV_H_ */
diff --git a/net/core/dev.c b/net/core/dev.c
@@ -10867,7 +10867,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 	if (!dev->ethtool_ops)
 		dev->ethtool_ops = &default_ethtool_ops;
 
-	nf_hook_ingress_init(dev);
+	nf_hook_netdev_init(dev);
 
 	return dev;