Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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