diff options
Diffstat (limited to 'kernel/include/linux/mroute6.h')
-rw-r--r-- | kernel/include/linux/mroute6.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/kernel/include/linux/mroute6.h b/kernel/include/linux/mroute6.h new file mode 100644 index 000000000..66982e764 --- /dev/null +++ b/kernel/include/linux/mroute6.h @@ -0,0 +1,133 @@ +#ifndef __LINUX_MROUTE6_H +#define __LINUX_MROUTE6_H + + +#include <linux/pim.h> +#include <linux/skbuff.h> /* for struct sk_buff_head */ +#include <net/net_namespace.h> +#include <uapi/linux/mroute6.h> + +#ifdef CONFIG_IPV6_MROUTE +static inline int ip6_mroute_opt(int opt) +{ + return (opt >= MRT6_BASE) && (opt <= MRT6_MAX); +} +#else +static inline int ip6_mroute_opt(int opt) +{ + return 0; +} +#endif + +struct sock; + +#ifdef CONFIG_IPV6_MROUTE +extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); +extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *); +extern int ip6_mr_input(struct sk_buff *skb); +extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg); +extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); +extern int ip6_mr_init(void); +extern void ip6_mr_cleanup(void); +#else +static inline +int ip6_mroute_setsockopt(struct sock *sock, + int optname, char __user *optval, unsigned int optlen) +{ + return -ENOPROTOOPT; +} + +static inline +int ip6_mroute_getsockopt(struct sock *sock, + int optname, char __user *optval, int __user *optlen) +{ + return -ENOPROTOOPT; +} + +static inline +int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg) +{ + return -ENOIOCTLCMD; +} + +static inline int ip6_mr_init(void) +{ + return 0; +} + +static inline void ip6_mr_cleanup(void) +{ + return; +} +#endif + +struct mif_device { + struct net_device *dev; /* Device we are using */ + unsigned long bytes_in,bytes_out; + unsigned long pkt_in,pkt_out; /* Statistics */ + unsigned long rate_limit; /* Traffic shaping (NI) */ + unsigned char threshold; /* TTL threshold */ + unsigned short flags; /* Control flags */ + int link; /* Physical interface index */ +}; + +#define VIFF_STATIC 0x8000 + +struct mfc6_cache { + struct list_head list; + struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */ + struct in6_addr mf6c_origin; /* Source of packet */ + mifi_t mf6c_parent; /* Source interface */ + int mfc_flags; /* Flags on line */ + + union { + struct { + unsigned long expires; + struct sk_buff_head unresolved; /* Unresolved buffers */ + } unres; + struct { + unsigned long last_assert; + int minvif; + int maxvif; + unsigned long bytes; + unsigned long pkt; + unsigned long wrong_if; + unsigned char ttls[MAXMIFS]; /* TTL thresholds */ + } res; + } mfc_un; +}; + +#define MFC_STATIC 1 +#define MFC_NOTIFY 2 + +#define MFC6_LINES 64 + +#define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \ + (__force u32)(a)->s6_addr32[1] ^ \ + (__force u32)(a)->s6_addr32[2] ^ \ + (__force u32)(a)->s6_addr32[3] ^ \ + (__force u32)(g)->s6_addr32[0] ^ \ + (__force u32)(g)->s6_addr32[1] ^ \ + (__force u32)(g)->s6_addr32[2] ^ \ + (__force u32)(g)->s6_addr32[3]) % MFC6_LINES) + +#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ + +struct rtmsg; +extern int ip6mr_get_route(struct net *net, struct sk_buff *skb, + struct rtmsg *rtm, int nowait); + +#ifdef CONFIG_IPV6_MROUTE +extern struct sock *mroute6_socket(struct net *net, struct sk_buff *skb); +extern int ip6mr_sk_done(struct sock *sk); +#else +static inline struct sock *mroute6_socket(struct net *net, struct sk_buff *skb) +{ + return NULL; +} +static inline int ip6mr_sk_done(struct sock *sk) +{ + return 0; +} +#endif +#endif |