1 /* net/atm/atmarp.h - RFC1577 ATM ARP */
3 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
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>
17 #define CLIP_VCC(vcc) ((struct clip_vcc *) ((vcc)->user_back))
18 #define NEIGH2ENTRY(neigh) ((struct atmarp_entry *) (neigh)->primary_key)
23 struct atm_vcc
*vcc
; /* VCC descriptor */
24 struct atmarp_entry
*entry
; /* ATMARP table entry, NULL if IP addr.
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 */
39 u32 ip
; /* IP address */
40 struct clip_vcc
*vccs
; /* active VCCs; NULL if resolution is
42 unsigned long expires
; /* entry expiration time */
43 struct neighbour
*neigh
; /* neighbour back-pointer */
47 #define PRIV(dev) ((struct clip_priv *) netdev_priv(dev))
51 int number
; /* for convenience ... */
52 spinlock_t xoff_lock
; /* ensures that pop is atomic (SMP) */
53 struct net_device_stats stats
;
54 struct net_device
*next
; /* next CLIP interface */
59 extern struct neigh_table
*clip_tbl_hook
;