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