neighbour.h

来自「一个基于linux的TCP/IP协议栈的实现」· C头文件 代码 · 共 69 行

/* neighbout.h
 * [e-mail]
 * 2006-09-26
 */

#ifndef INCLUDED_NEIGHBOUR_H
#define INCLUDED_NEIGHBOUR_H

#include "log.h"

#include <net/neighbour.h>

void myneigh_table_init( struct neigh_table *tbl );
void myneigh_table_destroy( struct neigh_table *tbl );
void myneigh_destroy( struct neighbour *neigh );
void myneigh_parms_destroy( struct neigh_parms *parms );
int __myneigh_event_send( struct neighbour *neigh, struct sk_buff *skb );
int myneigh_connected_output(struct sk_buff *skb);
int myneigh_compat_output( struct sk_buff *skb );
int myneigh_resolve_output( struct sk_buff *skb );
struct neighbour *myneigh_lookup( struct neigh_table *tbl, const void *pkey,
				struct net_device *dev );
struct neighbour *myneigh_create( struct neigh_table *tbl, const void *pkey,
				struct net_device *dev );
struct neigh_parms *myneigh_parms_alloc(struct net_device *dev,
				struct neigh_table *tbl);
void myneigh_parms_release( struct neigh_table *tbl, struct neigh_parms *parms );
int myneigh_ifdown( struct neigh_table *tbl, struct net_device *dev );

static inline void myneigh_release(struct neighbour *neigh)
{
    if( atomic_dec_and_test(&neigh->refcnt) )
        myneigh_destroy( neigh );
}

static inline void myneigh_parms_put(struct neigh_parms *parms)
{
	if (atomic_dec_and_test(&parms->refcnt))
		myneigh_parms_destroy(parms);
}

static inline int myneigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
{
	neigh->used = jiffies;
	if( !(neigh->nud_state & (NUD_CONNECTED | NUD_DELAY | NUD_PROBE)) )
		return __myneigh_event_send( neigh, skb );
	return 0;
}

static inline struct neighbour * __myneigh_lookup_errno( struct neigh_table *tbl, 
				const void *pkey, struct net_device *dev )
{
	struct neighbour *n = myneigh_lookup(tbl, pkey, dev);
	if (n)
		return n;
	return myneigh_create( tbl, pkey, dev );
}

static inline struct neigh_parms *myneigh_parms_clone(struct neigh_parms *parms)
{
	atomic_inc(&parms->refcnt);
	return parms;
}

void __init myarp_init(void);
void __exit myarp_exit(void);

#endif //INCLUDED_NEIGHBOUR_H