xnu-1228.12.14.tar.gz

[apple/xnu.git] / bsd / net / route.h

diff --git a/bsd/net/route.h b/bsd/net/route.h
index 9d26a8bbd5f2b3afad4db6779cc794412f40fb3b..cfc95a6aa7f1ea19f31d8b0a41c2789cd892573e 100644 (file)
--- a/bsd/net/route.h
+++ b/bsd/net/route.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000,2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -84,8 +84,12 @@ struct  rtentry;
 struct route {
        struct  rtentry *ro_rt;
        struct  sockaddr ro_dst;
-       u_long  reserved[2];    /* for future use if needed */
+       u_int32_t       ro_flags;       /* route flags (see below) */
+       u_int32_t       reserved;       /* for future use if needed */
 };
+
+#define        ROF_SRCIF_SELECTED      0x1 /* source interface was selected */
+
 #else
 struct route;
 #endif /* PRIVATE */
@@ -195,8 +199,8 @@ struct ortentry {
 #define        RTF_LOCAL       0x200000        /* route represents a local address */
 #define        RTF_BROADCAST   0x400000        /* route represents a bcast address */
 #define        RTF_MULTICAST   0x800000        /* route represents a mcast address */
-#define RTF_TRACKREFS  0x1000000       /* Debug references and releases */
-                                       /* 0x1000000 and up unassigned */
+#define RTF_IFSCOPE    0x1000000       /* has valid interface scope */
+                                       /* 0x2000000 and up unassigned */
 
 /*
  * Routing statistics.
@@ -323,6 +327,11 @@ struct route_cb {
 };
 
 #ifdef KERNEL_PRIVATE
+/*
+ * For scoped routing; a zero interface scope value means nil/no scope.
+ */
+#define        IFSCOPE_NONE    0
+
 #define RTFREE(rt)     rtfree(rt)
 extern struct route_cb route_cb;
 extern struct radix_node_head *rt_tables[AF_MAX+1];
@@ -338,11 +347,19 @@ extern void rt_missmsg(int, struct rt_addrinfo *, int, int);
 extern void rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *);
 extern void rt_newmaddrmsg(int, struct ifmultiaddr *);
 extern int rt_setgate(struct rtentry *, struct sockaddr *, struct sockaddr *);
+extern void set_primary_ifscope(unsigned int);
+extern unsigned int get_primary_ifscope(void);
+extern boolean_t rt_inet_default(struct rtentry *, struct sockaddr *);
+extern struct rtentry *rt_lookup(boolean_t, struct sockaddr *,
+    struct sockaddr *, struct radix_node_head *, unsigned int);
 extern void rtalloc(struct route *);
 extern void rtalloc_ign(struct route *, u_long);
-extern void rtalloc_ign_locked(struct route *, u_long );
+extern void rtalloc_ign_locked(struct route *, u_long);
+extern void rtalloc_scoped_ign_locked(struct route *, u_long, unsigned int);
 extern struct rtentry *rtalloc1(struct sockaddr *, int, u_long);
 extern struct rtentry *rtalloc1_locked(struct sockaddr *, int, u_long);
+extern struct rtentry *rtalloc1_scoped_locked(struct sockaddr *, int,
+    u_long, unsigned int);
 extern void rtfree(struct rtentry *);
 extern void rtfree_locked(struct rtentry *);
 extern void rtref(struct rtentry *);
@@ -356,14 +373,17 @@ extern void rtsetifa(struct rtentry *, struct ifaddr *);
 extern int rtinit(struct ifaddr *, int, int);
 extern int rtinit_locked(struct ifaddr *, int, int);
 extern int rtioctl(int, caddr_t, struct proc *);
-extern void rtredirect(struct sockaddr *, struct sockaddr *,
+extern void rtredirect(struct ifnet *, struct sockaddr *, struct sockaddr *,
     struct sockaddr *, int, struct sockaddr *, struct rtentry **);
 extern int rtrequest(int, struct sockaddr *,
     struct sockaddr *, struct sockaddr *, int, struct rtentry **);
 extern int rtrequest_locked(int, struct sockaddr *,
     struct sockaddr *, struct sockaddr *, int, struct rtentry **);
+extern int rtrequest_scoped_locked(int, struct sockaddr *, struct sockaddr *,
+    struct sockaddr *, int, struct rtentry **, unsigned int);
 extern struct rtentry *rte_alloc(void);
 extern void rte_free(struct rtentry *);
+extern unsigned int sa_get_ifscope(struct sockaddr *);
 #endif KERNEL_PRIVATE
 
 #endif