Commit | Line | Data |
---|---|---|
1da177e4 LT |
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> | |
1da177e4 LT |
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 | ||
14c85021 | 20 | struct sk_buff; |
1da177e4 LT |
21 | |
22 | struct 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 | ||
38 | struct atmarp_entry { | |
30d492da | 39 | __be32 ip; /* IP address */ |
1da177e4 LT |
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 | ||
50 | struct clip_priv { | |
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 */ | |
55 | }; | |
56 | ||
57 | ||
58 | #ifdef __KERNEL__ | |
59 | extern struct neigh_table *clip_tbl_hook; | |
60 | #endif | |
61 | ||
62 | #endif |