1/* net/atm/atmarp.h - RFC1577 ATM ARP */
 2 
 3/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
 4 
 5 
 6#ifndef _ATMCLIP_H
 7#define _ATMCLIP_H
 8
 9#include <linux/netdevice.h>
10#include <linux/atm.h>
11#include <linux/atmdev.h>
12#include <linux/atmarp.h>
13#include <linux/spinlock.h>
14#include <net/neighbour.h>
15
16
17#define CLIP_VCC(vcc) ((struct clip_vcc *) ((vcc)->user_back))
18#define NEIGH2ENTRY(neigh) ((struct atmarp_entry *) (neigh)->primary_key)
19
20struct sk_buff;
21
22struct clip_vcc {
23	struct atm_vcc	*vcc;		/* VCC descriptor */
24	struct atmarp_entry *entry;	/* ATMARP table entry, NULL if IP addr.
25					   isn't known yet */
26	int		xoff;		/* 1 if send buffer is full */
27	unsigned char	encap;		/* 0: NULL, 1: LLC/SNAP */
28	unsigned long	last_use;	/* last send or receive operation */
29	unsigned long	idle_timeout;	/* keep open idle for so many jiffies*/
30	void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
31					/* keep old push fn for chaining */
32	void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb);
33					/* keep old pop fn for chaining */
34	struct clip_vcc	*next;		/* next VCC */
35};
36
37
38struct atmarp_entry {
39	__be32		ip;		/* IP address */
40	struct clip_vcc	*vccs;		/* active VCCs; NULL if resolution is
41					   pending */
42	unsigned long	expires;	/* entry expiration time */
43	struct neighbour *neigh;	/* neighbour back-pointer */
44};
45
46
47#define PRIV(dev) ((struct clip_priv *) netdev_priv(dev))
48
49
50struct clip_priv {
51	int number;			/* for convenience ... */
52	spinlock_t xoff_lock;		/* ensures that pop is atomic (SMP) */
53	struct net_device *next;	/* next CLIP interface */
54};
55
56
57extern struct neigh_table *clip_tbl_hook;
58
59#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* net/atm/atmarp.h - RFC1577 ATM ARP */
 3 
 4/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
 5 
 6 
 7#ifndef _ATMCLIP_H
 8#define _ATMCLIP_H
 9
10#include <linux/netdevice.h>
11#include <linux/atm.h>
12#include <linux/atmdev.h>
13#include <linux/atmarp.h>
14#include <linux/spinlock.h>
15#include <net/neighbour.h>
16
17
18#define CLIP_VCC(vcc) ((struct clip_vcc *) ((vcc)->user_back))
 
19
20struct sk_buff;
21
22struct clip_vcc {
23	struct atm_vcc	*vcc;		/* VCC descriptor */
24	struct atmarp_entry *entry;	/* ATMARP table entry, NULL if IP addr.
25					   isn't known yet */
26	int		xoff;		/* 1 if send buffer is full */
27	unsigned char	encap;		/* 0: NULL, 1: LLC/SNAP */
28	unsigned long	last_use;	/* last send or receive operation */
29	unsigned long	idle_timeout;	/* keep open idle for so many jiffies*/
30	void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
31					/* keep old push fn for chaining */
32	void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb);
33					/* keep old pop fn for chaining */
34	struct clip_vcc	*next;		/* next VCC */
35};
36
37
38struct atmarp_entry {
 
39	struct clip_vcc	*vccs;		/* active VCCs; NULL if resolution is
40					   pending */
41	unsigned long	expires;	/* entry expiration time */
42	struct neighbour *neigh;	/* neighbour back-pointer */
43};
44
 
45#define PRIV(dev) ((struct clip_priv *) netdev_priv(dev))
46
 
47struct clip_priv {
48	int number;			/* for convenience ... */
49	spinlock_t xoff_lock;		/* ensures that pop is atomic (SMP) */
50	struct net_device *next;	/* next CLIP interface */
51};
 
 
 
52
53#endif