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- /* net/atm/atmarp.h - RFC1577 ATM ARP */
-
- /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
-
-
- #ifndef _ATMCLIP_H
- #define _ATMCLIP_H
- #include <linux/netdevice.h>
- #include <linux/atm.h>
- #include <linux/atmdev.h>
- #include <linux/atmarp.h>
- #include <linux/spinlock.h>
- #include <net/neighbour.h>
- #define CLIP_VCC(vcc) ((struct clip_vcc *) ((vcc)->user_back))
- #define NEIGH2ENTRY(neigh) ((struct atmarp_entry *) (neigh)->primary_key)
- struct sk_buff;
- struct clip_vcc {
- struct atm_vcc *vcc; /* VCC descriptor */
- struct atmarp_entry *entry; /* ATMARP table entry, NULL if IP addr.
- isn't known yet */
- int xoff; /* 1 if send buffer is full */
- unsigned char encap; /* 0: NULL, 1: LLC/SNAP */
- unsigned long last_use; /* last send or receive operation */
- unsigned long idle_timeout; /* keep open idle for so many jiffies*/
- void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
- /* keep old push fn for chaining */
- void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb);
- /* keep old pop fn for chaining */
- struct clip_vcc *next; /* next VCC */
- };
- struct atmarp_entry {
- __be32 ip; /* IP address */
- struct clip_vcc *vccs; /* active VCCs; NULL if resolution is
- pending */
- unsigned long expires; /* entry expiration time */
- struct neighbour *neigh; /* neighbour back-pointer */
- };
- #define PRIV(dev) ((struct clip_priv *) netdev_priv(dev))
- struct clip_priv {
- int number; /* for convenience ... */
- spinlock_t xoff_lock; /* ensures that pop is atomic (SMP) */
- struct net_device *next; /* next CLIP interface */
- };
- extern struct neigh_table *clip_tbl_hook;
- #endif
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