* Authors:
* Pedro Roque <roque@di.fc.ul.pt>
*
- * $Id: ipv6.h,v 1.1 2002/05/20 15:13:07 jgrimm Exp $
- *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
u32 owner;
unsigned long lastuse;
unsigned long expires;
+ struct net *fl_net;
};
#define IPV6_FLOWINFO_MASK __constant_htonl(0x0FFFFFFF)
#define IPV6_FRAG_TIMEOUT (60*HZ) /* 60 seconds */
-/*
- * Function prototype for build_xmit
- */
-
-typedef int (*inet_getfrag_t) (const void *data,
- struct in6_addr *addr,
- char *,
- unsigned int, unsigned int);
-
extern int __ipv6_addr_type(const struct in6_addr *addr);
static inline int ipv6_addr_type(const struct in6_addr *addr)
{
ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
const struct in6_addr *a2)
{
- unsigned int i;
-
- for (i = 0; i < 4; i++)
- if ((a1->s6_addr32[i] ^ a2->s6_addr32[i]) & m->s6_addr32[i])
- return 1;
- return 0;
+ return (!!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) |
+ ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) |
+ ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) |
+ ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])));
}
static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
static inline int ipv6_addr_equal(const struct in6_addr *a1,
const struct in6_addr *a2)
{
- return (a1->s6_addr32[0] == a2->s6_addr32[0] &&
- a1->s6_addr32[1] == a2->s6_addr32[1] &&
- a1->s6_addr32[2] == a2->s6_addr32[2] &&
- a1->s6_addr32[3] == a2->s6_addr32[3]);
+ return (((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
+ (a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
+ (a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
+ (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0);
}
static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
}
+static inline int ipv6_addr_loopback(const struct in6_addr *a)
+{
+ return ((a->s6_addr32[0] | a->s6_addr32[1] |
+ a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0);
+}
+
static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
{
- return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
- a->s6_addr32[2] == htonl(0x0000ffff));
+ return ((a->s6_addr32[0] | a->s6_addr32[1] |
+ (a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0);
}
/*
== htonl(0x20010010));
}
+static inline void ipv6_addr_set_v4mapped(const __be32 addr,
+ struct in6_addr *v4mapped)
+{
+ ipv6_addr_set(v4mapped,
+ 0, 0,
+ htonl(0x0000FFFF),
+ addr);
+}
+
/*
* find the first different bit between two addresses
* length of address must be a multiple of 32bits
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,
struct net_device *dev,
- struct in6_addr *saddr,
- struct in6_addr *daddr,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
int proto, int len);
extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
* Extension header (options) processing
*/
-extern u8 * ipv6_build_nfrag_opts(struct sk_buff *skb,
- u8 *prev_hdr,
- struct ipv6_txoptions *opt,
- struct in6_addr *daddr,
- u32 jumbolen);
-extern u8 * ipv6_build_frag_opts(struct sk_buff *skb,
- u8 *prev_hdr,
- struct ipv6_txoptions *opt);
extern void ipv6_push_nfrag_opts(struct sk_buff *skb,
struct ipv6_txoptions *opt,
u8 *proto,
char __user *optval,
int __user *optlen);
-extern int ipv6_packet_init(void);
-
-extern void ipv6_packet_cleanup(void);
-
extern int ip6_datagram_connect(struct sock *sk,
struct sockaddr *addr, int addr_len);
int __user *optlen);
#ifdef CONFIG_PROC_FS
-extern int ac6_proc_init(void);
-extern void ac6_proc_exit(void);
+extern int ac6_proc_init(struct net *net);
+extern void ac6_proc_exit(struct net *net);
extern int raw6_proc_init(void);
extern void raw6_proc_exit(void);
-extern int tcp6_proc_init(void);
-extern void tcp6_proc_exit(void);
-extern int udp6_proc_init(void);
-extern void udp6_proc_exit(void);
+extern int tcp6_proc_init(struct net *net);
+extern void tcp6_proc_exit(struct net *net);
+extern int udp6_proc_init(struct net *net);
+extern void udp6_proc_exit(struct net *net);
extern int udplite6_proc_init(void);
extern void udplite6_proc_exit(void);
extern int ipv6_misc_proc_init(void);
extern int snmp6_register_dev(struct inet6_dev *idev);
extern int snmp6_unregister_dev(struct inet6_dev *idev);
-extern struct rt6_statistics rt6_stats;
#else
-static inline int snmp6_register_dev(struct inet6_dev *idev)
-{
- return 0;
-}
-
-static inline int snmp6_unregister_dev(struct inet6_dev *idev)
-{
- return 0;
-}
+static inline int ac6_proc_init(struct net *net) { return 0; }
+static inline void ac6_proc_exit(struct net *net) { }
+static inline int snmp6_register_dev(struct inet6_dev *idev) { return 0; }
+static inline int snmp6_unregister_dev(struct inet6_dev *idev) { return 0; }
#endif
#ifdef CONFIG_SYSCTL