#define _NET_IPV6_H
#include <linux/ipv6.h>
-#include <asm/hardirq.h>
+#include <linux/hardirq.h>
#include <net/ndisc.h>
#include <net/flow.h>
#include <net/snmp.h>
#ifdef __KERNEL__
+#include <linux/config.h>
#include <net/sock.h>
/* sysctls */
#define UDP6_INC_STATS(field) SNMP_INC_STATS(udp_stats_in6, field)
#define UDP6_INC_STATS_BH(field) SNMP_INC_STATS_BH(udp_stats_in6, field)
#define UDP6_INC_STATS_USER(field) SNMP_INC_STATS_USER(udp_stats_in6, field)
-extern atomic_t inet6_sock_nr;
int snmp6_register_dev(struct inet6_dev *idev);
int snmp6_unregister_dev(struct inet6_dev *idev);
+int snmp6_alloc_dev(struct inet6_dev *idev);
+int snmp6_free_dev(struct inet6_dev *idev);
int snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign);
void snmp6_mib_free(void *ptr[2]);
struct ipv6_opt_hdr *hopopt;
struct ipv6_opt_hdr *dst0opt;
struct ipv6_rt_hdr *srcrt; /* Routing Header */
- struct ipv6_opt_hdr *auth;
struct ipv6_opt_hdr *dst1opt;
/* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
void (*destructor)(struct sock *));
-extern int ip6_call_ra_chain(struct sk_buff *skb, int sel);
-
-extern int ipv6_parse_hopopts(struct sk_buff *skb, int);
+extern int ipv6_parse_hopopts(struct sk_buff *skb);
extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
+extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
+ int newtype,
+ struct ipv6_opt_hdr __user *newopt,
+ int newoptlen);
+struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
+ struct ipv6_txoptions *opt);
+
+extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
extern int ip6_frag_nqueues;
extern atomic_t ip6_frag_mem;
char *,
unsigned int, unsigned int);
-
-extern int ipv6_addr_type(const struct in6_addr *addr);
+extern int __ipv6_addr_type(const struct in6_addr *addr);
+static inline int ipv6_addr_type(const struct in6_addr *addr)
+{
+ return __ipv6_addr_type(addr) & 0xffff;
+}
static inline int ipv6_addr_scope(const struct in6_addr *addr)
{
- return ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK;
+ return __ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK;
+}
+
+static inline int __ipv6_addr_src_scope(int type)
+{
+ return (type == IPV6_ADDR_ANY ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16));
+}
+
+static inline int ipv6_addr_src_scope(const struct in6_addr *addr)
+{
+ return __ipv6_addr_src_scope(__ipv6_addr_type(addr));
}
static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2)
return memcmp((const void *) a1, (const void *) a2, sizeof(struct in6_addr));
}
+static inline int
+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;
+}
+
static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
{
memcpy((void *) a1, (const void *) a2, sizeof(struct in6_addr));
}
#endif
+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]);
+}
+
+static inline int __ipv6_prefix_equal(const u32 *a1, const u32 *a2,
+ unsigned int prefixlen)
+{
+ unsigned pdw, pbi;
+
+ /* check complete u32 in prefix */
+ pdw = prefixlen >> 5;
+ if (pdw && memcmp(a1, a2, pdw << 2))
+ return 0;
+
+ /* check incomplete u32 in prefix */
+ pbi = prefixlen & 0x1f;
+ if (pbi && ((a1[pdw] ^ a2[pdw]) & htonl((0xffffffff) << (32 - pbi))))
+ return 0;
+
+ return 1;
+}
+
+static inline int ipv6_prefix_equal(const struct in6_addr *a1,
+ const struct in6_addr *a2,
+ unsigned int prefixlen)
+{
+ return __ipv6_prefix_equal(a1->s6_addr32, a2->s6_addr32,
+ prefixlen);
+}
+
static inline int ipv6_addr_any(const struct in6_addr *a)
{
return ((a->s6_addr32[0] | a->s6_addr32[1] |
a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
}
+/*
+ * find the first different bit between two addresses
+ * length of address must be a multiple of 32bits
+ */
+static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen)
+{
+ const __u32 *a1 = token1, *a2 = token2;
+ int i;
+
+ addrlen >>= 2;
+
+ for (i = 0; i < addrlen; i++) {
+ __u32 xb = a1[i] ^ a2[i];
+ if (xb) {
+ int j = 31;
+
+ xb = ntohl(xb);
+ while ((xb & (1 << j)) == 0)
+ j--;
+
+ return (i * 32 + 31 - j);
+ }
+ }
+
+ /*
+ * we should *never* get to this point since that
+ * would mean the addrs are equal
+ *
+ * However, we do get to it 8) And exacly, when
+ * addresses are equal 8)
+ *
+ * ip route add 1111::/128 via ...
+ * ip route add 1111::/64 via ...
+ * and we are here.
+ *
+ * Ideally, this function should stop comparison
+ * at prefix length. It does not, but it is still OK,
+ * if returned value is greater than prefix length.
+ * --ANK (980803)
+ */
+ return (addrlen << 5);
+}
+
+static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_addr *a2)
+{
+ return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
+}
+
/*
* Prototypes exported by ipv6
*/
extern int ipv6_rcv(struct sk_buff *skb,
struct net_device *dev,
- struct packet_type *pt);
+ struct packet_type *pt,
+ struct net_device *orig_dev);
+
+extern int ip6_rcv_finish(struct sk_buff *skb);
/*
* upper-layer output functions
int length,
int transhdrlen,
int hlimit,
+ int tclass,
struct ipv6_txoptions *opt,
struct flowi *fl,
struct rt6_info *rt,
* skb processing functions
*/
-extern int ip6_output(struct sk_buff **pskb);
+extern int ip6_output(struct sk_buff *skb);
extern int ip6_forward(struct sk_buff *skb);
extern int ip6_input(struct sk_buff *skb);
extern int ip6_mc_input(struct sk_buff *skb);
u8 *proto);
extern int ipv6_skip_exthdr(const struct sk_buff *, int start,
- u8 *nexthdrp, int len);
+ u8 *nexthdrp);
extern int ipv6_ext_hdr(u8 nexthdr);
int optname,
char __user *optval,
int __user *optlen);
+extern int compat_ipv6_setsockopt(struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int optlen);
+extern int compat_ipv6_getsockopt(struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int __user *optlen);
extern void ipv6_packet_init(void);
extern void ipv6_packet_cleanup(void);
+extern int ip6_datagram_connect(struct sock *sk,
+ struct sockaddr *addr, int addr_len);
+
extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, u16 port,
u32 info, u8 *payload);
extern int inet6_ioctl(struct socket *sock, unsigned int cmd,
unsigned long arg);
+extern int inet6_hash_connect(struct inet_timewait_death_row *death_row,
+ struct sock *sk);
+
/*
* reassembly.c
*/
extern int sysctl_ip6frag_time;
extern int sysctl_ip6frag_secret_interval;
-#endif /* __KERNEL__ */
-#endif /* _NET_IPV6_H */
+extern const struct proto_ops inet6_stream_ops;
+extern const struct proto_ops inet6_dgram_ops;
+
+struct group_source_req;
+struct group_filter;
+
+extern int ip6_mc_source(int add, int omode, struct sock *sk,
+ struct group_source_req *pgsr);
+extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
+extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
+ struct group_filter __user *optval,
+ int __user *optlen);
+
+#ifdef CONFIG_PROC_FS
+extern int ac6_proc_init(void);
+extern void ac6_proc_exit(void);
+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 ipv6_misc_proc_init(void);
+extern void ipv6_misc_proc_exit(void);
+
+extern struct rt6_statistics rt6_stats;
+#endif
+#ifdef CONFIG_SYSCTL
+extern ctl_table ipv6_route_table[];
+extern ctl_table ipv6_icmp_table[];
+extern void ipv6_sysctl_register(void);
+extern void ipv6_sysctl_unregister(void);
+#endif
+#endif /* __KERNEL__ */
+#endif /* _NET_IPV6_H */
git://git.onelab.eu / linux-2.6.git / blobdiff