commit 17d20784223d52bf1671f984c9e8d5d9b8ea171b
author Lukas Wunner <lukas@wunner.de> Fri Oct 08 22:06:02 2021 +0200
committer Pablo Neira Ayuso <pablo@netfilter.org> Thu Oct 14 23:00:59 2021 +0200
tree f5512fbdc26d2405a0aff67992043cc75767beb9
parent 7463acfbe52ae8b7e0ea6890c1886b3f8ba8bddd

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>

include/linux/netfilter_netdev.h

diff --git a/include/linux/netfilter_netdev.h b/include/linux/netfilter_netdev.h
index a13774b..5812b0f 100644
--- 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 @@
 	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 @@
 {
 	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_ */

net/core/dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 0fd3c64..e4c6830 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10867,7 +10867,7 @@
 	if (!dev->ethtool_ops)
 		dev->ethtool_ops = &default_ethtool_ops;
 
-	nf_hook_ingress_init(dev);
+	nf_hook_netdev_init(dev);
 
 	return dev;