patch-2.3.15 linux/net/atm/ipcommon.c

• Lines: 52
• Date: Mon Aug 23 13:44:03 1999
• Orig file: v2.3.14/linux/net/atm/ipcommon.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.14/linux/net/atm/ipcommon.c linux/net/atm/ipcommon.c
@@ -0,0 +1,51 @@
+/* net/atm/ipcommon.c - Common items for all ways of doing IP over ATM */
+
+/* Written 1996,1997 by Werner Almesberger, EPFL LRC */
+
+
+#include <linux/string.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/in.h>
+#include <linux/atmdev.h>
+#include <linux/atmclip.h>
+
+#include "common.h"
+#include "ipcommon.h"
+
+
+#if 0
+#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
+#else
+#define DPRINTK(format,args...)
+#endif
+
+
+const unsigned char llc_oui[] = {
+	0xaa,	/* DSAP: non-ISO */
+	0xaa,	/* SSAP: non-ISO */
+	0x03,	/* Ctrl: Unnumbered Information Command PDU */
+	0x00,	/* OUI: EtherType */
+	0x00,
+	0x00 };
+
+
+/*
+ * skb_migrate moves the list at FROM to TO, emptying FROM in the process.
+ * This function should live in skbuff.c or skbuff.h. Note that skb_migrate
+ * is not atomic, so turn off interrupts when using it.
+ */
+
+
+void skb_migrate(struct sk_buff_head *from,struct sk_buff_head *to)
+{
+	struct sk_buff *skb,*prev;
+
+	for (skb = ((struct sk_buff *) from)->next;
+	    skb != (struct sk_buff *) from; skb = skb->next) skb->list = to;
+	prev = from->prev;
+	from->next->prev = (struct sk_buff *) to;
+	prev->next = (struct sk_buff *) to;
+	*to = *from;
+	skb_queue_head_init(from);
+}