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14c850212e
To help in reducing the number of include dependencies, several files were touched as they were getting needed headers indirectly for stuff they use. Thanks also to Alan Menegotto for pointing out that net/dccp/proto.c had linux/dccp.h include twice. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
145 lines
2.9 KiB
C
145 lines
2.9 KiB
C
#ifndef _NDISC_H
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#define _NDISC_H
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/*
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* ICMP codes for neighbour discovery messages
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*/
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#define NDISC_ROUTER_SOLICITATION 133
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#define NDISC_ROUTER_ADVERTISEMENT 134
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#define NDISC_NEIGHBOUR_SOLICITATION 135
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#define NDISC_NEIGHBOUR_ADVERTISEMENT 136
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#define NDISC_REDIRECT 137
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/*
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* ndisc options
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*/
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enum {
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__ND_OPT_PREFIX_INFO_END = 0,
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ND_OPT_SOURCE_LL_ADDR = 1, /* RFC2461 */
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ND_OPT_TARGET_LL_ADDR = 2, /* RFC2461 */
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ND_OPT_PREFIX_INFO = 3, /* RFC2461 */
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ND_OPT_REDIRECT_HDR = 4, /* RFC2461 */
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ND_OPT_MTU = 5, /* RFC2461 */
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__ND_OPT_MAX
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};
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#define MAX_RTR_SOLICITATION_DELAY HZ
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#define ND_REACHABLE_TIME (30*HZ)
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#define ND_RETRANS_TIMER HZ
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#define ND_MIN_RANDOM_FACTOR (1/2)
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#define ND_MAX_RANDOM_FACTOR (3/2)
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#ifdef __KERNEL__
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#include <linux/config.h>
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#include <linux/compiler.h>
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#include <linux/icmpv6.h>
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#include <linux/in6.h>
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#include <linux/types.h>
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#include <net/neighbour.h>
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struct ctl_table;
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struct file;
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struct inet6_dev;
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struct net_device;
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struct net_proto_family;
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struct sk_buff;
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extern struct neigh_table nd_tbl;
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struct nd_msg {
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struct icmp6hdr icmph;
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struct in6_addr target;
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__u8 opt[0];
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};
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struct rs_msg {
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struct icmp6hdr icmph;
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__u8 opt[0];
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};
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struct ra_msg {
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struct icmp6hdr icmph;
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__u32 reachable_time;
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__u32 retrans_timer;
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};
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struct nd_opt_hdr {
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__u8 nd_opt_type;
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__u8 nd_opt_len;
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} __attribute__((__packed__));
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extern int ndisc_init(struct net_proto_family *ops);
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extern void ndisc_cleanup(void);
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extern int ndisc_rcv(struct sk_buff *skb);
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extern void ndisc_send_ns(struct net_device *dev,
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struct neighbour *neigh,
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struct in6_addr *solicit,
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struct in6_addr *daddr,
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struct in6_addr *saddr);
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extern void ndisc_send_rs(struct net_device *dev,
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struct in6_addr *saddr,
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struct in6_addr *daddr);
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extern void ndisc_forwarding_on(void);
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extern void ndisc_forwarding_off(void);
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extern void ndisc_send_redirect(struct sk_buff *skb,
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struct neighbour *neigh,
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struct in6_addr *target);
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extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir);
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struct rt6_info * dflt_rt_lookup(void);
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/*
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* IGMP
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*/
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extern int igmp6_init(struct net_proto_family *ops);
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extern void igmp6_cleanup(void);
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extern int igmp6_event_query(struct sk_buff *skb);
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extern int igmp6_event_report(struct sk_buff *skb);
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extern void igmp6_cleanup(void);
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#ifdef CONFIG_SYSCTL
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extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
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int write,
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struct file * filp,
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void __user *buffer,
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size_t *lenp,
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loff_t *ppos);
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#endif
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extern void inet6_ifinfo_notify(int event,
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struct inet6_dev *idev);
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static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, struct in6_addr *addr)
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{
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if (dev)
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return __neigh_lookup(&nd_tbl, addr, dev, 1);
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return NULL;
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}
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#endif /* __KERNEL__ */
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#endif
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