netfilter: xtables: resolve indirect macros 1/3

Many of the used macros are just there for userspace compatibility.
Substitute the in-kernel code to directly use the terminal macro
and stuff the defines into #ifndef __KERNEL__ sections.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

3 files changed, 18 insertions, 13 deletions

diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index e9948c0560f6..81938600470d 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -21,8 +21,10 @@
 
 #include <linux/netfilter/x_tables.h>
 
+#ifndef __KERNEL__
 #define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
 #define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
+#endif
 
 #define ARPT_DEV_ADDR_LEN_MAX 16
 
@@ -134,7 +136,7 @@ struct arpt_entry
 /* The argument to ARPT_SO_GET_INFO */
 struct arpt_getinfo {
 	/* Which table: caller fills this in. */
-	char name[ARPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Kernel fills these in. */
 	/* Which hook entry points are valid: bitmask */
@@ -156,7 +158,7 @@ struct arpt_getinfo {
 /* The argument to ARPT_SO_SET_REPLACE. */
 struct arpt_replace {
 	/* Which table. */
-	char name[ARPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Which hook entry points are valid: bitmask.  You can't
            change this. */
@@ -191,7 +193,7 @@ struct arpt_replace {
 /* The argument to ARPT_SO_GET_ENTRIES. */
 struct arpt_get_entries {
 	/* Which table: user fills this in. */
-	char name[ARPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* User fills this in: total entry size. */
 	unsigned int size;
@@ -230,7 +232,7 @@ struct arpt_standard {
 
 struct arpt_error_target {
 	struct arpt_entry_target target;
-	char errorname[ARPT_FUNCTION_MAXNAMELEN];
+	char errorname[XT_FUNCTION_MAXNAMELEN];
 };
 
 struct arpt_error {
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 704a7b6e8169..1b7cdf1137e3 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -27,12 +27,14 @@
 
 #include <linux/netfilter/x_tables.h>
 
+#ifndef __KERNEL__
 #define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
 #define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
 #define ipt_match xt_match
 #define ipt_target xt_target
 #define ipt_table xt_table
 #define ipt_get_revision xt_get_revision
+#endif
 
 /* Yes, Virginia, you have to zero the padding. */
 struct ipt_ip {
@@ -146,7 +148,7 @@ struct ipt_icmp {
 /* The argument to IPT_SO_GET_INFO */
 struct ipt_getinfo {
 	/* Which table: caller fills this in. */
-	char name[IPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Kernel fills these in. */
 	/* Which hook entry points are valid: bitmask */
@@ -168,7 +170,7 @@ struct ipt_getinfo {
 /* The argument to IPT_SO_SET_REPLACE. */
 struct ipt_replace {
 	/* Which table. */
-	char name[IPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Which hook entry points are valid: bitmask.  You can't
            change this. */
@@ -202,7 +204,7 @@ struct ipt_replace {
 /* The argument to IPT_SO_GET_ENTRIES. */
 struct ipt_get_entries {
 	/* Which table: user fills this in. */
-	char name[IPT_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* User fills this in: total entry size. */
 	unsigned int size;
@@ -254,7 +256,7 @@ struct ipt_standard {
 
 struct ipt_error_target {
 	struct ipt_entry_target target;
-	char errorname[IPT_FUNCTION_MAXNAMELEN];
+	char errorname[XT_FUNCTION_MAXNAMELEN];
 };
 
 struct ipt_error {
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index 18442ff19c07..abe31d020e3c 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -27,13 +27,14 @@
 
 #include <linux/netfilter/x_tables.h>
 
+#ifndef __KERNEL__
 #define IP6T_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
 #define IP6T_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
-
 #define ip6t_match xt_match
 #define ip6t_target xt_target
 #define ip6t_table xt_table
 #define ip6t_get_revision xt_get_revision
+#endif
 
 /* Yes, Virginia, you have to zero the padding. */
 struct ip6t_ip6 {
@@ -117,7 +118,7 @@ struct ip6t_standard {
 
 struct ip6t_error_target {
 	struct ip6t_entry_target target;
-	char errorname[IP6T_FUNCTION_MAXNAMELEN];
+	char errorname[XT_FUNCTION_MAXNAMELEN];
 };
 
 struct ip6t_error {
@@ -203,7 +204,7 @@ struct ip6t_icmp {
 /* The argument to IP6T_SO_GET_INFO */
 struct ip6t_getinfo {
 	/* Which table: caller fills this in. */
-	char name[IP6T_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Kernel fills these in. */
 	/* Which hook entry points are valid: bitmask */
@@ -225,7 +226,7 @@ struct ip6t_getinfo {
 /* The argument to IP6T_SO_SET_REPLACE. */
 struct ip6t_replace {
 	/* Which table. */
-	char name[IP6T_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* Which hook entry points are valid: bitmask.  You can't
            change this. */
@@ -259,7 +260,7 @@ struct ip6t_replace {
 /* The argument to IP6T_SO_GET_ENTRIES. */
 struct ip6t_get_entries {
 	/* Which table: user fills this in. */
-	char name[IP6T_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 
 	/* User fills this in: total entry size. */
 	unsigned int size;