diff options
Diffstat (limited to 'include/net/atmclip.h')
| -rw-r--r-- | include/net/atmclip.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/net/atmclip.h b/include/net/atmclip.h new file mode 100644 index 000000000..70e350e0d --- /dev/null +++ b/include/net/atmclip.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* 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)) + +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 { + 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 */ +}; + +#endif |