patch-1.3.47 linux/net/ipv4/ip_alias.c

• Lines: 109
• Date: Tue Dec 12 07:45:59 1995
• Orig file: v1.3.46/linux/net/ipv4/ip_alias.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.46/linux/net/ipv4/ip_alias.c linux/net/ipv4/ip_alias.c
@@ -0,0 +1,108 @@
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/if.h>
+#include <linux/inet.h>
+
+#ifdef ALIAS_USER_LAND_DEBUG
+#include "net_alias.h"
+#include "ip_alias.h"
+#include "user_stubs.h"
+#endif
+
+#include <linux/net_alias.h>
+#include <net/ip_alias.h>
+
+/*
+ * AF_INET alias init
+ */
+static int 
+ip_alias_init_1(struct net_alias *alias, struct sockaddr *sa)
+{
+#ifdef ALIAS_USER_LAND_DEBUG
+  printk("alias_init(%s) called.\n", alias->name);
+#endif
+  MOD_INC_USE_COUNT;
+  return 0;
+}
+
+/*
+ * AF_INET alias done
+ */
+static int
+ip_alias_done_1(struct net_alias *alias)
+{
+#ifdef ALIAS_USER_LAND_DEBUG
+  printk("alias_done(%s) called.\n", alias->name);
+#endif
+  MOD_DEC_USE_COUNT;
+  return 0;
+}
+
+/*
+ * print address info
+ */
+
+int
+ip_alias_print_1(char *buf, int len, struct net_alias *alias)
+{
+  char *p;
+
+  p = (char *) &alias->dev.pa_addr;
+  return sprintf(buf, "%d.%d.%d.%d",
+		 (p[0] & 255), (p[1] & 255), (p[2] & 255), (p[3] & 255));
+}
+
+/*
+ * net_alias AF_INET type defn.
+ */
+
+struct net_alias_type ip_alias_type =
+{
+  AF_INET,			/* type */
+  0,				/* n_attach */
+  "ip",				/* name */
+  NULL,				/* get_addr32() */
+  NULL,				/* addr_chk() */
+  ip_alias_init_1,		/* alias_init_1() */
+  ip_alias_done_1,		/* alias_done_1() */
+  ip_alias_print_1,		/* alias_print_1() */
+  NULL				/* next */
+};
+
+/*
+ * ip_alias module initialization
+ */
+
+int ip_alias_init(void)
+{
+  return register_net_alias_type(&ip_alias_type, AF_INET);
+}
+
+/*
+ * ip_alias module done
+ */
+
+int ip_alias_done(void)
+{
+  return unregister_net_alias_type(&ip_alias_type);
+}
+
+#ifdef MODULE
+
+int init_module(void)
+{
+  if (ip_alias_init() != 0)
+    return -EIO;
+  return 0;
+}
+
+void cleanup_module(void)
+{
+  if (ip_alias_done() != 0)
+    printk("ip_alias: can't remove module");
+}
+
+#endif /* MODULE */