#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>
#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;
struct net_device;
struct packet_type;
struct rtable;
-struct sk_buff;
struct sockaddr;
extern void ip_mc_dropsocket(struct sock *);