xnu-4903.241.1.tar.gz

[apple/xnu.git] / bsd / nfs / nfsrvcache.h

diff --git a/bsd/nfs/nfsrvcache.h b/bsd/nfs/nfsrvcache.h
index 2d7b901b620c01aaf4988c719a4139a41e68e6db..5d3e311b527b514ff122a3169dd5b64df3588758 100644 (file)
--- a/bsd/nfs/nfsrvcache.h
+++ b/bsd/nfs/nfsrvcache.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * 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.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
@@ -78,16 +76,24 @@
  * Definitions for the server recent request cache
  */
 
+/* Network address hash list element */
+union nethostaddr {
+       in_addr_t had_inetaddr;
+       struct in6_addr had_inet6addr;
+       mbuf_t had_nam;
+};
+
 #define        NFSRVCACHESIZ   64
 
 struct nfsrvcache {
        TAILQ_ENTRY(nfsrvcache) rc_lru;         /* LRU chain */
        LIST_ENTRY(nfsrvcache) rc_hash;         /* Hash chain */
-       u_long  rc_xid;                         /* rpc id number */
+       u_int32_t       rc_xid;                         /* rpc id number */
        union {
                mbuf_t ru_repmb;                /* Reply mbuf list OR */
                int ru_repstat;                 /* Reply status */
        } rc_un;
+       sa_family_t rc_family;                  /* address family */
        union nethostaddr rc_haddr;             /* Host address */
        u_int32_t rc_proc;                      /* rpc proc number */
        u_char  rc_state;               /* Current state of request */
@@ -97,6 +103,7 @@ struct nfsrvcache {
 #define        rc_reply        rc_un.ru_repmb
 #define        rc_status       rc_un.ru_repstat
 #define        rc_inetaddr     rc_haddr.had_inetaddr
+#define        rc_inet6addr    rc_haddr.had_inet6addr
 #define        rc_nam          rc_haddr.had_nam
 
 /* Cache entry states */
@@ -118,5 +125,8 @@ struct nfsrvcache {
 #define        RC_INETADDR     0x20
 #define        RC_NAM          0x40
 
+extern lck_grp_t *nfsrv_reqcache_lck_grp;
+extern lck_mtx_t *nfsrv_reqcache_mutex;
+
 #endif /* __APPLE_API_PRIVATE */
 #endif /* _NFS_NFSRVCACHE_H_ */