1 files changed, 10 insertions, 1 deletions

diff --git a/include/net/ip.h b/include/net/ip.h
index e79c3e3aa4f6..bb207db03675 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -25,6 +25,7 @@
 #include <linux/types.h>
 #include <linux/ip.h>
 #include <linux/in.h>
+#include <linux/skbuff.h>
 
 #include <net/inet_sock.h>
 #include <net/snmp.h>
@@ -43,6 +44,11 @@ struct inet_skb_parm
 #define IPSKB_REROUTED          16
 };
 
+static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
+{
+        return ip_hdr(skb)->ihl * 4;
+}
+
 struct ipcm_cookie
 {
         __be32                  addr;
@@ -74,7 +80,6 @@ struct msghdr;
 struct net_device;
 struct packet_type;
 struct rtable;
-struct sk_buff;
 struct sockaddr;
 
 extern void             ip_mc_dropsocket(struct sock *);
@@ -161,6 +166,10 @@ DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
 #define NET_ADD_STATS_BH(field, adnd)   SNMP_ADD_STATS_BH(net_statistics, field, adnd)
 #define NET_ADD_STATS_USER(field, adnd) SNMP_ADD_STATS_USER(net_statistics, field, adnd)
 
+extern unsigned long snmp_fold_field(void *mib[], int offt);
+extern int snmp_mib_init(void *ptr[2], size_t mibsize, size_t mibalign);
+extern void snmp_mib_free(void *ptr[2]);
+
 extern int sysctl_local_port_range[2];
 extern int sysctl_ip_default_ttl;
 extern int sysctl_ip_nonlocal_bind;