This pulls the full hook netfilter definitions from all those that include
net_namespace.h.
Instead let's just include the bare minimum required in the new
linux/netfilter_defs.h file, and use it from the netfilter netns header files.
I also needed to include in.h and in6.h from linux/netfilter.h otherwise we hit
this compilation error:
In file included from include/linux/netfilter_defs.h:4:0,
from include/net/netns/netfilter.h:4,
from include/net/net_namespace.h:22,
from include/linux/netdevice.h:43,
from net/netfilter/nfnetlink_queue_core.c:23:
include/uapi/linux/netfilter.h:76:17: error: field ‘in’ has incomplete type struct in_addr in;
And also explicit include linux/netfilter.h in several spots.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
include/linux/netfilter.h | 6 ++----
include/linux/netfilter_defs.h | 9 +++++++++
include/net/netns/netfilter.h | 2 +-
include/net/netns/x_tables.h | 2 +-
include/uapi/linux/netfilter.h | 3 ++-
net/ipv6/output_core.c | 1 +
6 files changed, 16 insertions(+), 7 deletions(-)
create mode 100644 include/linux/netfilter_defs.h
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index f5ff5d1..00050df 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -10,7 +10,8 @@
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/static_key.h>
-#include <uapi/linux/netfilter.h>
+#include <linux/netfilter_defs.h>
+
#ifdef CONFIG_NETFILTER
static inline int NF_DROP_GETERR(int verdict)
{
@@ -38,9 +39,6 @@ static inline void nf_inet_addr_mask(const union nf_inet_addr *a1,
int netfilter_init(void);
-/* Largest hook number + 1 */
-#define NF_MAX_HOOKS 8
-
struct sk_buff;
struct nf_hook_ops;
diff --git a/include/linux/netfilter_defs.h b/include/linux/netfilter_defs.h
new file mode 100644
index 0000000..d3a7f85
--- /dev/null
+++ b/include/linux/netfilter_defs.h
@@ -0,0 +1,9 @@
+#ifndef __LINUX_NETFILTER_CORE_H_
+#define __LINUX_NETFILTER_CORE_H_
+
+#include <uapi/linux/netfilter.h>
+
+/* Largest hook number + 1, see uapi/linux/netfilter_decnet.h */
+#define NF_MAX_HOOKS 8
+
+#endif
diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h
index cf25b5e..532e4ba 100644
--- a/include/net/netns/netfilter.h
+++ b/include/net/netns/netfilter.h
@@ -1,7 +1,7 @@
#ifndef __NETNS_NETFILTER_H
#define __NETNS_NETFILTER_H
-#include <linux/netfilter.h>
+#include <linux/netfilter_defs.h>
struct proc_dir_entry;
struct nf_logger;
diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h
index 4d6597a..c8a7681 100644
--- a/include/net/netns/x_tables.h
+++ b/include/net/netns/x_tables.h
@@ -2,7 +2,7 @@
#define __NETNS_X_TABLES_H
#include <linux/list.h>
-#include <linux/netfilter.h>
+#include <linux/netfilter_defs.h>
struct ebt_table;
diff --git a/include/uapi/linux/netfilter.h b/include/uapi/linux/netfilter.h
index 177027c..d93f949 100644
--- a/include/uapi/linux/netfilter.h
+++ b/include/uapi/linux/netfilter.h
@@ -4,7 +4,8 @@
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/sysctl.h>
-
+#include <linux/in.h>
+#include <linux/in6.h>
/* Responses from hook functions. */
#define NF_DROP 0
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 21678ac..928a0fb 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -8,6 +8,7 @@
#include <net/ip6_fib.h>
#include <net/addrconf.h>
#include <net/secure_seq.h>
+#include <linux/netfilter.h>
static u32 __ipv6_select_ident(struct net *net, u32 hashrnd,
const struct in6_addr *dst,
--
1.7.10.4
--
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