gpiolib: pcf857x i2c gpio expander support

[linux-2.6-omap-h63xx.git] / include / linux / netfilter.h

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 368b7ed1f1bf2503ae6d43219bbaf5b9b34f314f..d74e79bacd2d19c240f5b8d27ba6fdd123c8ca9b 100644 (file)
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -7,6 +7,8 @@
 #include <linux/skbuff.h>
 #include <linux/net.h>
 #include <linux/if.h>
+#include <linux/in.h>
+#include <linux/in6.h>
 #include <linux/wait.h>
 #include <linux/list.h>
 #endif
@@ -48,6 +50,14 @@ enum nf_inet_hooks {
        NF_INET_NUMHOOKS
 };
 
+union nf_inet_addr {
+       u_int32_t       all[4];
+       __be32          ip;
+       __be32          ip6[4];
+       struct in_addr  in;
+       struct in6_addr in6;
+};
+
 #ifdef __KERNEL__
 #ifdef CONFIG_NETFILTER
 
@@ -114,12 +124,8 @@ void nf_unregister_sockopt(struct nf_sockopt_ops *reg);
 
 #ifdef CONFIG_SYSCTL
 /* Sysctl registration */
-struct ctl_table_header *nf_register_sysctl_table(struct ctl_table *path,
-                                                 struct ctl_table *table);
-void nf_unregister_sysctl_table(struct ctl_table_header *header,
-                               struct ctl_table *table);
-extern struct ctl_table nf_net_netfilter_sysctl_path[];
-extern struct ctl_table nf_net_ipv4_netfilter_sysctl_path[];
+extern struct ctl_path nf_net_netfilter_sysctl_path[];
+extern struct ctl_path nf_net_ipv4_netfilter_sysctl_path[];
 #endif /* CONFIG_SYSCTL */
 
 extern struct list_head nf_hooks[NPROTO][NF_MAX_HOOKS];
@@ -206,9 +212,6 @@ int compat_nf_setsockopt(struct sock *sk, int pf, int optval,
 int compat_nf_getsockopt(struct sock *sk, int pf, int optval,
                char __user *opt, int *len);
 
-/* FIXME: Before cache is ever used, this must be implemented for real. */
-extern void nf_invalidate_cache(int pf);
-
 /* Call this before modifying an existing packet: ensures it is
    modifiable and linear to the point you care about (writable_len).
    Returns true or false. */
@@ -229,8 +232,8 @@ struct nf_afinfo {
        int             route_key_size;
 };
 
-extern struct nf_afinfo *nf_afinfo[];
-static inline struct nf_afinfo *nf_get_afinfo(unsigned short family)
+extern const struct nf_afinfo *nf_afinfo[NPROTO];
+static inline const struct nf_afinfo *nf_get_afinfo(unsigned short family)
 {
        return rcu_dereference(nf_afinfo[family]);
 }
@@ -239,7 +242,7 @@ static inline __sum16
 nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
            u_int8_t protocol, unsigned short family)
 {
-       struct nf_afinfo *afinfo;
+       const struct nf_afinfo *afinfo;
        __sum16 csum = 0;
 
        rcu_read_lock();
@@ -250,8 +253,8 @@ nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
        return csum;
 }
 
-extern int nf_register_afinfo(struct nf_afinfo *afinfo);
-extern void nf_unregister_afinfo(struct nf_afinfo *afinfo);
+extern int nf_register_afinfo(const struct nf_afinfo *afinfo);
+extern void nf_unregister_afinfo(const struct nf_afinfo *afinfo);
 
 #include <net/flow.h>
 extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
@@ -259,11 +262,16 @@ extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
 static inline void
 nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, int family)
 {
-#if defined(CONFIG_IP_NF_NAT_NEEDED) || defined(CONFIG_NF_NAT_NEEDED)
+#ifdef CONFIG_NF_NAT_NEEDED
        void (*decodefn)(struct sk_buff *, struct flowi *);
 
-       if (family == AF_INET && (decodefn = ip_nat_decode_session) != NULL)
-               decodefn(skb, fl);
+       if (family == AF_INET) {
+               rcu_read_lock();
+               decodefn = rcu_dereference(ip_nat_decode_session);
+               if (decodefn)
+                       decodefn(skb, fl);
+               rcu_read_unlock();
+       }
 #endif
 }