changes to support cloning routes

SCCS-vsn: sys/net/route.h 7.7

diff --git a/usr/src/sys/net/route.h b/usr/src/sys/net/route.h
index 941de58..6d369f8 100644 (file)
--- a/usr/src/sys/net/route.h
+++ b/usr/src/sys/net/route.h
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)route.h     7.4 (Berkeley) 6/27/88
+ *     @(#)route.h     7.7 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -53,6 +53,8 @@ struct rtentry {
        u_long  rt_use;                 /* raw # packets forwarded */
        struct  ifnet *rt_ifp;          /* the answer: interface to use */
        struct  ifaddr *rt_ifa;         /* the answer: interface to use */
        u_long  rt_use;                 /* raw # packets forwarded */
        struct  ifnet *rt_ifp;          /* the answer: interface to use */
        struct  ifaddr *rt_ifa;         /* the answer: interface to use */

+       struct  sockaddr *rt_genmask;   /* for generation of cloned routes */
+       caddr_t rt_llinfo;              /* pointer to link level info cache */

 };
 
 /*
 };
 
 /*


@@ -76,6 +78,8 @@ struct ortentry {
 #define        RTF_MODIFIED    0x20            /* modified dynamically (by redirect) */
 #define RTF_DONE       0x40            /* message confirmed */
 #define RTF_MASK       0x80            /* subnet mask present */
 #define        RTF_MODIFIED    0x20            /* modified dynamically (by redirect) */
 #define RTF_DONE       0x40            /* message confirmed */
 #define RTF_MASK       0x80            /* subnet mask present */

+#define RTF_CLONING    0x100           /* generate new routes on use */
+#define RTF_XRESOLVE   0x200           /* external daemon resolves name */

 
 
 /*
 
 
 /*


@@ -137,6 +141,7 @@ struct route_cb {
 #define RTM_LOCK       0x8     /* fix specified metrics */
 #define RTM_OLDADD     0x9     /* caused by SIOCADDRT */
 #define RTM_OLDDEL     0xa     /* caused by SIOCDELRT */
 #define RTM_LOCK       0x8     /* fix specified metrics */
 #define RTM_OLDADD     0x9     /* caused by SIOCADDRT */
 #define RTM_OLDDEL     0xa     /* caused by SIOCDELRT */

+#define RTM_RESOLVE    0xb     /* req to resolve dst to LL addr */

 
 #define RTV_MTU                0x1     /* init or lock _mtu */
 #define RTV_HOPCOUNT   0x2     /* init or lock _hopcount */
 
 #define RTV_MTU                0x1     /* init or lock _mtu */
 #define RTV_HOPCOUNT   0x2     /* init or lock _hopcount */


@@ -153,7 +158,7 @@ struct route_cb route_cb;
 
 #ifdef KERNEL
 #define        RTFREE(rt) \
 
 #ifdef KERNEL
 #define        RTFREE(rt) \

-       if ((rt)->rt_refcnt == 1) \
+       if ((rt)->rt_refcnt <= 1) \

                rtfree(rt); \
        else \
                (rt)->rt_refcnt--;
                rtfree(rt); \
        else \
                (rt)->rt_refcnt--;