patch-2.4.10 linux/drivers/isdn/hisax/hisax_debug.h

• Lines: 81
• Date: Sun Sep 9 10:45:43 2001
• Orig file: v2.4.9/linux/drivers/isdn/hisax/hisax_debug.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/drivers/isdn/hisax/hisax_debug.h linux/drivers/isdn/hisax/hisax_debug.h
@@ -0,0 +1,80 @@
+/*
+ * Common debugging macros for use with the hisax driver
+ *
+ * Author       Frode Isaksen
+ * Copyright    2001 by Frode Isaksen      <fisaksen@bewan.com>
+ * 
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+/* 
+ * How to use:
+ * 
+ * Before including this file, you need to
+ *   #define __debug_variable my_debug
+ * where my_debug is a variable in your code which
+ * determines the debug bitmask.
+ *
+ * If CONFIG_HISAX_DEBUG is not set, all macros evaluate to nothing
+ */
+
+#ifndef __HISAX_DEBUG_H__
+#define __HISAX_DEBUG_H__
+
+#ifdef CONFIG_HISAX_DEBUG
+
+#define DBG(level, format, arg...) do { \
+if (level & __debug_variable) \
+printk(KERN_DEBUG __FUNCTION__ ": " format "\n" , ## arg); \
+} while (0)
+
+#define DBG_PACKET(level,data,count) \
+  if (level & __debug_variable) dump_packet(__FUNCTION__,data,count)
+
+#define DBG_SKB(level,skb) \
+  if ((level & __debug_variable) && skb) dump_packet(__FUNCTION__,skb->data,skb->len)
+
+
+static void __attribute__((unused))
+dump_packet(const char *name,const u_char *data,int pkt_len)
+{
+#define DUMP_HDR_SIZE 20
+#define DUMP_TLR_SIZE 8
+	if (pkt_len) {
+		int i,len1,len2;
+
+		printk(KERN_DEBUG "%s: length=%d,data=",name,pkt_len);
+
+		if (pkt_len >  DUMP_HDR_SIZE+ DUMP_TLR_SIZE) {
+			len1 = DUMP_HDR_SIZE;
+			len2 = DUMP_TLR_SIZE;
+		} else {
+			len1 = pkt_len > DUMP_HDR_SIZE ? DUMP_HDR_SIZE : pkt_len;
+			len2 = 0;			
+		}
+		for (i = 0; i < len1; ++i) {
+		 	printk ("%.2x", data[i]);
+		}
+		if (len2) {
+		 	printk ("..");
+			for (i = pkt_len-DUMP_TLR_SIZE; i < pkt_len; ++i) {
+				printk ("%.2x", data[i]);
+			}
+		}
+		printk ("\n");
+	}
+#undef DUMP_HDR_SIZE
+#undef DUMP_TLR_SIZE
+}
+
+#else
+
+#define DBG(level, format, arg...) do {} while (0)
+#define DBG_PACKET(level,data,count) do {} while (0)
+#define DBG_SKB(level,skb) do {} while (0)
+
+#endif
+
+#endif