]> bbs.cooldavid.org Git - net-next-2.6.git/blame - include/net/atmclip.h
tg3: use dma_alloc_coherent() instead of pci_alloc_consistent()
[net-next-2.6.git] / include / net / atmclip.h
CommitLineData
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 20struct sk_buff;
1da177e4
LT
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 {
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
50struct clip_priv {
51 int number; /* for convenience ... */
52 spinlock_t xoff_lock; /* ensures that pop is atomic (SMP) */
1da177e4
LT
53 struct net_device *next; /* next CLIP interface */
54};
55
56
57#ifdef __KERNEL__
58extern struct neigh_table *clip_tbl_hook;
59#endif
60
61#endif