diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 268 |
1 files changed, 119 insertions, 149 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index bbf1c8fb8511..fe1c7f6c9217 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -244,14 +244,14 @@ struct ipv6_fl_socklist { struct rcu_head rcu; }; -extern struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label); -extern struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space, - struct ip6_flowlabel * fl, - struct ipv6_txoptions * fopt); -extern void fl6_free_socklist(struct sock *sk); -extern int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen); -extern int ip6_flowlabel_init(void); -extern void ip6_flowlabel_cleanup(void); +struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label); +struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions *opt_space, + struct ip6_flowlabel *fl, + struct ipv6_txoptions *fopt); +void fl6_free_socklist(struct sock *sk); +int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen); +int ip6_flowlabel_init(void); +void ip6_flowlabel_cleanup(void); static inline void fl6_sock_release(struct ip6_flowlabel *fl) { @@ -259,7 +259,7 @@ static inline void fl6_sock_release(struct ip6_flowlabel *fl) atomic_dec(&fl->users); } -extern void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info); +void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info); int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, struct icmp6hdr *thdr, int len); @@ -267,19 +267,21 @@ int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *skb, struct sock *sk, struct flowi6 *fl6); -extern int ip6_ra_control(struct sock *sk, int sel); +int ip6_ra_control(struct sock *sk, int sel); -extern int ipv6_parse_hopopts(struct sk_buff *skb); +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_dup_options(struct sock *sk, + struct ipv6_txoptions *opt); +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 bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb); +bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb); static inline bool ipv6_accept_ra(struct inet6_dev *idev) { @@ -306,7 +308,7 @@ static inline int ip6_frag_mem(struct net *net) #define IPV6_FRAG_LOW_THRESH (3 * 1024*1024) /* 3145728 */ #define IPV6_FRAG_TIMEOUT (60 * HZ) /* 60 seconds */ -extern int __ipv6_addr_type(const struct in6_addr *addr); +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; @@ -656,9 +658,9 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr)); } -extern void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt); +void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt); -extern int ip6_dst_hoplimit(struct dst_entry *dst); +int ip6_dst_hoplimit(struct dst_entry *dst); /* * Header manipulation @@ -682,83 +684,65 @@ static inline __be32 ip6_flowinfo(const struct ipv6hdr *hdr) * rcv function (called from netdevice level) */ -extern int ipv6_rcv(struct sk_buff *skb, - struct net_device *dev, - struct packet_type *pt, - struct net_device *orig_dev); +int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, + struct packet_type *pt, struct net_device *orig_dev); -extern int ip6_rcv_finish(struct sk_buff *skb); +int ip6_rcv_finish(struct sk_buff *skb); /* * upper-layer output functions */ -extern int ip6_xmit(struct sock *sk, - struct sk_buff *skb, - struct flowi6 *fl6, - struct ipv6_txoptions *opt, - int tclass); - -extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr); - -extern int ip6_append_data(struct sock *sk, - int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), - void *from, - int length, - int transhdrlen, - int hlimit, - int tclass, - struct ipv6_txoptions *opt, - struct flowi6 *fl6, - struct rt6_info *rt, - unsigned int flags, - int dontfrag); - -extern int ip6_push_pending_frames(struct sock *sk); - -extern void ip6_flush_pending_frames(struct sock *sk); - -extern int ip6_dst_lookup(struct sock *sk, - struct dst_entry **dst, - struct flowi6 *fl6); -extern struct dst_entry * ip6_dst_lookup_flow(struct sock *sk, - struct flowi6 *fl6, - const struct in6_addr *final_dst, - bool can_sleep); -extern struct dst_entry * ip6_sk_dst_lookup_flow(struct sock *sk, - struct flowi6 *fl6, - const struct in6_addr *final_dst, - bool can_sleep); -extern struct dst_entry * ip6_blackhole_route(struct net *net, - struct dst_entry *orig_dst); +int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6, + struct ipv6_txoptions *opt, int tclass); + +int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr); + +int ip6_append_data(struct sock *sk, + int getfrag(void *from, char *to, int offset, int len, + int odd, struct sk_buff *skb), + void *from, int length, int transhdrlen, int hlimit, + int tclass, struct ipv6_txoptions *opt, struct flowi6 *fl6, + struct rt6_info *rt, unsigned int flags, int dontfrag); + +int ip6_push_pending_frames(struct sock *sk); + +void ip6_flush_pending_frames(struct sock *sk); + +int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6); +struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, + const struct in6_addr *final_dst, + bool can_sleep); +struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, + const struct in6_addr *final_dst, + bool can_sleep); +struct dst_entry *ip6_blackhole_route(struct net *net, + struct dst_entry *orig_dst); /* * skb processing functions */ -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); +int ip6_output(struct sk_buff *skb); +int ip6_forward(struct sk_buff *skb); +int ip6_input(struct sk_buff *skb); +int ip6_mc_input(struct sk_buff *skb); -extern int __ip6_local_out(struct sk_buff *skb); -extern int ip6_local_out(struct sk_buff *skb); +int __ip6_local_out(struct sk_buff *skb); +int ip6_local_out(struct sk_buff *skb); /* * Extension header (options) processing */ -extern void ipv6_push_nfrag_opts(struct sk_buff *skb, - struct ipv6_txoptions *opt, - u8 *proto, - struct in6_addr **daddr_p); -extern void ipv6_push_frag_opts(struct sk_buff *skb, - struct ipv6_txoptions *opt, - u8 *proto); +void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, + u8 *proto, struct in6_addr **daddr_p); +void ipv6_push_frag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, + u8 *proto); -extern int ipv6_skip_exthdr(const struct sk_buff *, int start, - u8 *nexthdrp, __be16 *frag_offp); +int ipv6_skip_exthdr(const struct sk_buff *, int start, u8 *nexthdrp, + __be16 *frag_offp); -extern bool ipv6_ext_hdr(u8 nexthdr); +bool ipv6_ext_hdr(u8 nexthdr); enum { IP6_FH_F_FRAG = (1 << 0), @@ -767,57 +751,44 @@ enum { }; /* find specified header and get offset to it */ -extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, - int target, unsigned short *fragoff, int *fragflg); +int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, int target, + unsigned short *fragoff, int *fragflg); -extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type); +int ipv6_find_tlv(struct sk_buff *skb, int offset, int type); -extern struct in6_addr *fl6_update_dst(struct flowi6 *fl6, - const struct ipv6_txoptions *opt, - struct in6_addr *orig); +struct in6_addr *fl6_update_dst(struct flowi6 *fl6, + const struct ipv6_txoptions *opt, + struct in6_addr *orig); /* * socket options (ipv6_sockglue.c) */ -extern int ipv6_setsockopt(struct sock *sk, int level, - int optname, - char __user *optval, - unsigned int optlen); -extern int ipv6_getsockopt(struct sock *sk, int level, - int optname, - char __user *optval, - int __user *optlen); -extern int compat_ipv6_setsockopt(struct sock *sk, - int level, - int optname, - char __user *optval, - unsigned int optlen); -extern int compat_ipv6_getsockopt(struct sock *sk, - int level, - int optname, - char __user *optval, - int __user *optlen); - -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 int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len); -extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, - u32 info, u8 *payload); -extern void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info); -extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu); - -extern int inet6_release(struct socket *sock); -extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr, - int addr_len); -extern int inet6_getname(struct socket *sock, struct sockaddr *uaddr, - int *uaddr_len, int peer); -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, +int ipv6_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, unsigned int optlen); +int ipv6_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen); +int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, unsigned int optlen); +int compat_ipv6_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen); + +int ip6_datagram_connect(struct sock *sk, struct sockaddr *addr, int addr_len); + +int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len); +int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len); +void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, + u32 info, u8 *payload); +void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info); +void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu); + +int inet6_release(struct socket *sock); +int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); +int inet6_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, + int peer); +int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); + +int inet6_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); /* @@ -829,30 +800,29 @@ 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); -extern unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, - const struct in6_addr *daddr, u32 rnd); +int ip6_mc_source(int add, int omode, struct sock *sk, + struct group_source_req *pgsr); +int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf); +int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf, + struct group_filter __user *optval, int __user *optlen); +unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, + const struct in6_addr *daddr, u32 rnd); #ifdef CONFIG_PROC_FS -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(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 void ipv6_misc_proc_exit(void); -extern int snmp6_register_dev(struct inet6_dev *idev); -extern int snmp6_unregister_dev(struct inet6_dev *idev); +int ac6_proc_init(struct net *net); +void ac6_proc_exit(struct net *net); +int raw6_proc_init(void); +void raw6_proc_exit(void); +int tcp6_proc_init(struct net *net); +void tcp6_proc_exit(struct net *net); +int udp6_proc_init(struct net *net); +void udp6_proc_exit(struct net *net); +int udplite6_proc_init(void); +void udplite6_proc_exit(void); +int ipv6_misc_proc_init(void); +void ipv6_misc_proc_exit(void); +int snmp6_register_dev(struct inet6_dev *idev); +int snmp6_unregister_dev(struct inet6_dev *idev); #else static inline int ac6_proc_init(struct net *net) { return 0; } @@ -865,10 +835,10 @@ static inline int snmp6_unregister_dev(struct inet6_dev *idev) { return 0; } extern struct ctl_table ipv6_route_table_template[]; extern struct ctl_table ipv6_icmp_table_template[]; -extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net); -extern struct ctl_table *ipv6_route_sysctl_init(struct net *net); -extern int ipv6_sysctl_register(void); -extern void ipv6_sysctl_unregister(void); +struct ctl_table *ipv6_icmp_sysctl_init(struct net *net); +struct ctl_table *ipv6_route_sysctl_init(struct net *net); +int ipv6_sysctl_register(void); +void ipv6_sysctl_unregister(void); #endif #endif /* _NET_IPV6_H */ |