xnu-517.tar.gz

[apple/xnu.git] / bsd / netinet / if_ether.c

diff --git a/bsd/netinet/if_ether.c b/bsd/netinet/if_ether.c
index d9b7bbb86870a8718b79f7a759544cd60ce06f26..a93a69c8c6a3957870cdd577362b17a89bab76e9 100644 (file)
--- a/bsd/netinet/if_ether.c
+++ b/bsd/netinet/if_ether.c
@@ -3,19 +3,22 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -402,7 +405,7 @@ arprequest(ac, sip, tip, enaddr)
        (void)memcpy(ea->arp_tpa, tip, sizeof(ea->arp_tpa));
        sa.sa_family = AF_UNSPEC;
        sa.sa_len = sizeof(sa);
-        dlil_output(((struct ifnet *)ac)->if_data.default_proto, m, 0, &sa, 0);
+        dlil_output(ifptodlt(((struct ifnet *)ac), PF_INET), m, 0, &sa, 0);
 }
 
 /*
@@ -883,9 +886,18 @@ arplookup(addr, create, proxy)
        if (rt == 0)
                return (0);
        rtunref(rt);
-
-       if (rt->rt_flags & RTF_GATEWAY)
+       
+       if (rt->rt_flags & RTF_GATEWAY) {
                why = "host is not on local network";
+               
+               /* If there are no references to this route, purge it */
+               if (rt->rt_refcnt <= 0 && (rt->rt_flags & RTF_WASCLONED) != 0) {
+                       rtrequest(RTM_DELETE,
+                                       (struct sockaddr *)rt_key(rt),
+                                       rt->rt_gateway, rt_mask(rt),
+                                       rt->rt_flags, 0);
+               }
+       }
        else if ((rt->rt_flags & RTF_LLINFO) == 0)
                why = "could not allocate llinfo";
        else if (rt->rt_gateway->sa_family != AF_LINK)