[iptables PATCH 4/7] extensions: libebt_ip: Include kernel header

[Phil Sutter <phil@nwl.cc>]

Update the local copy of linux/netfilter_bridge/ebt_ip.h and include it
instead of keeping the local copy of struct ebt_ip_info et al.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 extensions/libebt_ip.c                  | 32 +------------------------
 include/linux/netfilter_bridge/ebt_ip.h | 15 +++++++++---
 2 files changed, 13 insertions(+), 34 deletions(-)

diff --git a/extensions/libebt_ip.c b/extensions/libebt_ip.c
index 51649ffb3c305..8413a5aa8dd57 100644
--- a/extensions/libebt_ip.c
+++ b/extensions/libebt_ip.c
@@ -20,40 +20,10 @@
 #include <netdb.h>
 #include <inttypes.h>
 #include <xtables.h>
+#include <linux/netfilter_bridge/ebt_ip.h>
 
 #include "libxt_icmp.h"
 
-#define EBT_IP_SOURCE 0x01
-#define EBT_IP_DEST 0x02
-#define EBT_IP_TOS 0x04
-#define EBT_IP_PROTO 0x08
-#define EBT_IP_SPORT 0x10
-#define EBT_IP_DPORT 0x20
-#define EBT_IP_ICMP 0x40
-#define EBT_IP_IGMP 0x80
-#define EBT_IP_MASK (EBT_IP_SOURCE | EBT_IP_DEST | EBT_IP_TOS | EBT_IP_PROTO |\
-		     EBT_IP_SPORT | EBT_IP_DPORT | EBT_IP_ICMP | EBT_IP_IGMP)
-
-struct ebt_ip_info {
-	__be32 saddr;
-	__be32 daddr;
-	__be32 smsk;
-	__be32 dmsk;
-	__u8  tos;
-	__u8  protocol;
-	__u8  bitmask;
-	__u8  invflags;
-	union {
-		__u16 sport[2];
-		__u8 icmp_type[2];
-		__u8 igmp_type[2];
-	};
-	union {
-		__u16 dport[2];
-		__u8 icmp_code[2];
-	};
-};
-
 #define IP_SOURCE	'1'
 #define IP_DEST		'2'
 #define IP_EBT_TOS	'3' /* include/bits/in.h seems to already define IP_TOS */
diff --git a/include/linux/netfilter_bridge/ebt_ip.h b/include/linux/netfilter_bridge/ebt_ip.h
index c4bbc41b0ea47..ae5d4d1084188 100644
--- a/include/linux/netfilter_bridge/ebt_ip.h
+++ b/include/linux/netfilter_bridge/ebt_ip.h
@@ -23,8 +23,10 @@
 #define EBT_IP_PROTO 0x08
 #define EBT_IP_SPORT 0x10
 #define EBT_IP_DPORT 0x20
+#define EBT_IP_ICMP 0x40
+#define EBT_IP_IGMP 0x80
 #define EBT_IP_MASK (EBT_IP_SOURCE | EBT_IP_DEST | EBT_IP_TOS | EBT_IP_PROTO |\
- EBT_IP_SPORT | EBT_IP_DPORT )
+		     EBT_IP_SPORT | EBT_IP_DPORT | EBT_IP_ICMP | EBT_IP_IGMP)
 #define EBT_IP_MATCH "ip"
 
 /* the same values are used for the invflags */
@@ -37,8 +39,15 @@ struct ebt_ip_info {
 	__u8  protocol;
 	__u8  bitmask;
 	__u8  invflags;
-	__u16 sport[2];
-	__u16 dport[2];
+	union {
+		__u16 sport[2];
+		__u8 icmp_type[2];
+		__u8 igmp_type[2];
+	};
+	union {
+		__u16 dport[2];
+		__u8 icmp_code[2];
+	};
 };
 
 #endif
-- 
2.38.0