#define IPV6_MAX_ADDRESSES 16
+#include <linux/in.h>
#include <linux/in6.h>
struct prefix_info {
extern int addrconf_init(void);
extern void addrconf_cleanup(void);
-extern int addrconf_add_ifaddr(void __user *arg);
-extern int addrconf_del_ifaddr(void __user *arg);
-extern int addrconf_set_dstaddr(void __user *arg);
+extern int addrconf_add_ifaddr(struct net *net,
+ void __user *arg);
+extern int addrconf_del_ifaddr(struct net *net,
+ void __user *arg);
+extern int addrconf_set_dstaddr(struct net *net,
+ void __user *arg);
-extern int ipv6_chk_addr(struct in6_addr *addr,
+extern int ipv6_chk_addr(struct net *net,
+ struct in6_addr *addr,
struct net_device *dev,
int strict);
+
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-extern int ipv6_chk_home_addr(struct in6_addr *addr);
+extern int ipv6_chk_home_addr(struct net *net,
+ struct in6_addr *addr);
#endif
-extern struct inet6_ifaddr * ipv6_get_ifaddr(struct in6_addr *addr,
- struct net_device *dev,
- int strict);
-extern int ipv6_get_saddr(struct dst_entry *dst,
- struct in6_addr *daddr,
- struct in6_addr *saddr);
-extern int ipv6_dev_get_saddr(struct net_device *dev,
- struct in6_addr *daddr,
+
+extern int ipv6_chk_prefix(struct in6_addr *addr,
+ struct net_device *dev);
+
+extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
+ const struct in6_addr *addr,
+ struct net_device *dev,
+ int strict);
+
+extern int ipv6_dev_get_saddr(struct net *net,
+ struct net_device *dev,
+ const struct in6_addr *daddr,
+ unsigned int srcprefs,
struct in6_addr *saddr);
extern int ipv6_get_lladdr(struct net_device *dev,
struct in6_addr *addr,
extern void addrconf_leave_solict(struct inet6_dev *idev,
struct in6_addr *addr);
+static inline unsigned long addrconf_timeout_fixup(u32 timeout,
+ unsigned unit)
+{
+ if (timeout == 0xffffffff)
+ return ~0UL;
+
+ /*
+ * Avoid arithmetic overflow.
+ * Assuming unit is constant and non-zero, this "if" statement
+ * will go away on 64bit archs.
+ */
+ if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
+ return LONG_MAX / unit;
+
+ return timeout;
+}
+
+static inline int addrconf_finite_timeout(unsigned long timeout)
+{
+ return ~timeout;
+}
+
+/*
+ * IPv6 Address Label subsystem (addrlabel.c)
+ */
+extern int ipv6_addr_label_init(void);
+extern void ipv6_addr_label_rtnl_register(void);
+extern u32 ipv6_addr_label(struct net *net,
+ const struct in6_addr *addr,
+ int type, int ifindex);
+
/*
* multicast prototypes (mcast.c)
*/
-extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
- struct in6_addr *addr);
-extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
- struct in6_addr *addr);
+extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
+extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
extern void ipv6_sock_mc_close(struct sock *sk);
-extern int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
- struct in6_addr *src_addr);
+extern int inet6_mc_check(struct sock *sk,
+ const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr);
-extern int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr);
-extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
-extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr);
+extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
extern void ipv6_mc_up(struct inet6_dev *idev);
extern void ipv6_mc_down(struct inet6_dev *idev);
extern void ipv6_mc_init_dev(struct inet6_dev *idev);
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
-extern int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
- struct in6_addr *src_addr);
+extern int ipv6_chk_mcast_addr(struct net_device *dev,
+ const struct in6_addr *group,
+ const struct in6_addr *src_addr);
extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len);
-extern int ipv6_get_hoplimit(struct net_device *dev);
-
/*
* anycast prototypes (anycast.c)
*/
extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
-extern int ipv6_chk_acast_addr(struct net_device *dev, struct in6_addr *addr);
+extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
+ struct in6_addr *addr);
/* Device notifier */
#define in6_ifa_hold(ifp) atomic_inc(&(ifp)->refcnt)
-extern void addrconf_forwarding_on(void);
-/*
- * Hash function taken from net_alias.c
- */
-
-static __inline__ u8 ipv6_addr_hash(const struct in6_addr *addr)
-{
- __u32 word;
-
- /*
- * We perform the hash function over the last 64 bits of the address
- * This will include the IEEE address token on links that support it.
- */
-
- word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
- word ^= (word >> 16);
- word ^= (word >> 8);
-
- return ((word ^ (word >> 4)) & 0x0f);
-}
/*
* compute link-local solicited-node multicast address
struct in6_addr *solicited)
{
ipv6_addr_set(solicited,
- __constant_htonl(0xFF020000), 0,
- __constant_htonl(0x1),
- __constant_htonl(0xFF000000) | addr->s6_addr32[3]);
+ htonl(0xFF020000), 0,
+ htonl(0x1),
+ htonl(0xFF000000) | addr->s6_addr32[3]);
}
-
-static inline void ipv6_addr_all_nodes(struct in6_addr *addr)
+static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
{
- ipv6_addr_set(addr,
- __constant_htonl(0xFF020000), 0, 0,
- __constant_htonl(0x1));
+ return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
}
-static inline void ipv6_addr_all_routers(struct in6_addr *addr)
+static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
{
- ipv6_addr_set(addr,
- __constant_htonl(0xFF020000), 0, 0,
- __constant_htonl(0x2));
+ return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+ addr->s6_addr32[1] | addr->s6_addr32[2] |
+ (addr->s6_addr32[3] ^ htonl(0x00000001))) == 0);
}
-static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
+static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
{
- return (addr->s6_addr32[0] & __constant_htonl(0xFF000000)) == __constant_htonl(0xFF000000);
+ return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+ addr->s6_addr32[1] | addr->s6_addr32[2] |
+ (addr->s6_addr32[3] ^ htonl(0x00000002))) == 0);
}
-static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
-{
- return (addr->s6_addr32[0] == htonl(0xff020000) &&
- addr->s6_addr32[1] == 0 &&
- addr->s6_addr32[2] == 0 &&
- addr->s6_addr32[3] == htonl(0x00000001));
-}
+extern int __ipv6_isatap_ifid(u8 *eui, __be32 addr);
-static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
+static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
{
- return (addr->s6_addr32[0] == htonl(0xff020000) &&
- addr->s6_addr32[1] == 0 &&
- addr->s6_addr32[2] == 0 &&
- addr->s6_addr32[3] == htonl(0x00000002));
+ return ((addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE));
}
#ifdef CONFIG_PROC_FS
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff