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-rw-r--r--include/net/atmclip.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/net/atmclip.h b/include/net/atmclip.h
new file mode 100644
index 0000000000..70e350e0db
--- /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