X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fax25%2Fax25_addr.c;h=7e7964dd987bc99a311084c285ea27e225082b57;hb=cc513ac0f29473de365664c4fba9cf033c1f2324;hp=5f0896ad0042d59662d33e351853a83538e13a96;hpb=f0cd91a68acdc9b49d7f6738b514a426da627649;p=linux-2.6-omap-h63xx.git

diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c
index 5f0896ad004..7e7964dd987 100644
--- a/net/ax25/ax25_addr.c
+++ b/net/ax25/ax25_addr.c
@@ -12,7 +12,6 @@
 #include <linux/in.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/string.h>
 #include <linux/sockios.h>
@@ -29,17 +28,26 @@
 #include <linux/interrupt.h>
 
 /*
- *	The null address is defined as a callsign of all spaces with an
- *	SSID of zero.
+ * The default broadcast address of an interface is QST-0; the default address
+ * is LINUX-1.  The null address is defined as a callsign of all spaces with
+ * an SSID of zero.
  */
-ax25_address null_ax25_address = {{0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00}};
 
+const ax25_address ax25_bcast =
+	{{'Q' << 1, 'S' << 1, 'T' << 1, ' ' << 1, ' ' << 1, ' ' << 1, 0 << 1}};
+const ax25_address ax25_defaddr =
+	{{'L' << 1, 'I' << 1, 'N' << 1, 'U' << 1, 'X' << 1, ' ' << 1, 1 << 1}};
+const ax25_address null_ax25_address =
+	{{' ' << 1, ' ' << 1, ' ' << 1, ' ' << 1, ' ' << 1, ' ' << 1, 0 << 1}};
+
+EXPORT_SYMBOL_GPL(ax25_bcast);
+EXPORT_SYMBOL_GPL(ax25_defaddr);
 EXPORT_SYMBOL(null_ax25_address);
 
 /*
  *	ax25 -> ascii conversion
  */
-char *ax2asc(char *buf, ax25_address *a)
+char *ax2asc(char *buf, const ax25_address *a)
 {
 	char c, *s;
 	int n;
@@ -72,9 +80,9 @@ EXPORT_SYMBOL(ax2asc);
 /*
  *	ascii -> ax25 conversion
  */
-void asc2ax(ax25_address *addr, char *callsign)
+void asc2ax(ax25_address *addr, const char *callsign)
 {
-	char *s;
+	const char *s;
 	int n;
 
 	for (s = callsign, n = 0; n < 6; n++) {
@@ -107,7 +115,7 @@ EXPORT_SYMBOL(asc2ax);
 /*
  *	Compare two ax.25 addresses
  */
-int ax25cmp(ax25_address *a, ax25_address *b)
+int ax25cmp(const ax25_address *a, const ax25_address *b)
 {
 	int ct = 0;
 
@@ -117,10 +125,10 @@ int ax25cmp(ax25_address *a, ax25_address *b)
 		ct++;
 	}
 
- 	if ((a->ax25_call[ct] & 0x1E) == (b->ax25_call[ct] & 0x1E))	/* SSID without control bit */
- 		return 0;
+	if ((a->ax25_call[ct] & 0x1E) == (b->ax25_call[ct] & 0x1E))	/* SSID without control bit */
+		return 0;
 
- 	return 2;			/* Partial match */
+	return 2;			/* Partial match */
 }
 
 EXPORT_SYMBOL(ax25cmp);
@@ -128,7 +136,7 @@ EXPORT_SYMBOL(ax25cmp);
 /*
  *	Compare two AX.25 digipeater paths.
  */
-int ax25digicmp(ax25_digi *digi1, ax25_digi *digi2)
+int ax25digicmp(const ax25_digi *digi1, const ax25_digi *digi2)
 {
 	int i;
 
@@ -149,7 +157,9 @@ int ax25digicmp(ax25_digi *digi1, ax25_digi *digi2)
  *	Given an AX.25 address pull of to, from, digi list, command/response and the start of data
  *
  */
-unsigned char *ax25_addr_parse(unsigned char *buf, int len, ax25_address *src, ax25_address *dest, ax25_digi *digi, int *flags, int *dama)
+const unsigned char *ax25_addr_parse(const unsigned char *buf, int len,
+	ax25_address *src, ax25_address *dest, ax25_digi *digi, int *flags,
+	int *dama)
 {
 	int d = 0;
 
@@ -204,7 +214,8 @@ unsigned char *ax25_addr_parse(unsigned char *buf, int len, ax25_address *src, a
 /*
  *	Assemble an AX.25 header from the bits
  */
-int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, ax25_digi *d, int flag, int modulus)
+int ax25_addr_build(unsigned char *buf, const ax25_address *src,
+	const ax25_address *dest, const ax25_digi *d, int flag, int modulus)
 {
 	int len = 0;
 	int ct  = 0;
@@ -261,7 +272,7 @@ int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, a
 	return len;
 }
 
-int ax25_addr_size(ax25_digi *dp)
+int ax25_addr_size(const ax25_digi *dp)
 {
 	if (dp == NULL)
 		return 2 * AX25_ADDR_LEN;
@@ -272,7 +283,7 @@ int ax25_addr_size(ax25_digi *dp)
 /*
  *	Reverse Digipeat List. May not pass both parameters as same struct
  */
-void ax25_digi_invert(ax25_digi *in, ax25_digi *out)
+void ax25_digi_invert(const ax25_digi *in, ax25_digi *out)
 {
 	int ct;