xnu-3789.41.3.tar.gz

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

diff --git a/bsd/net/if_gif.h b/bsd/net/if_gif.h
index 10705e9add6c1cec0fe7d2c2cbbbde5aa273ffb8..7fe954f2f3e4662d9278c939fd594b3d460321f9 100644 (file)
--- a/bsd/net/if_gif.h
+++ b/bsd/net/if_gif.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
  *
- * @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.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
+ * 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.
  *
- * 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@
  */
 /*     $KAME: if_gif.h,v 1.7 2000/02/22 14:01:46 itojun Exp $  */
 
@@ -63,21 +61,24 @@
  */
 
 #ifndef _NET_IF_GIF_H_
-#define _NET_IF_GIF_H_
+#define        _NET_IF_GIF_H_
 #include <sys/appleapiopts.h>
 
 #include <netinet/in.h>
 /* xxx sigh, why route have struct route instead of pointer? */
 
-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
+
+extern void gif_init(void);
+
 struct encaptab;
 
 struct gif_softc {
-       struct ifnet    gif_if;    /* common area - must be at the top */
+       ifnet_t                 gif_if;    /* pointer back to the interface */
        struct sockaddr *gif_psrc; /* Physical src addr */
        struct sockaddr *gif_pdst; /* Physical dst addr */
 #ifdef __APPLE__
-       u_long  gif_proto; /* dlil protocol attached */
+       protocol_family_t gif_proto; /* dlil protocol attached */
 #endif
        union {
                struct route  gifscr_ro;    /* xxx */
@@ -90,26 +91,26 @@ struct gif_softc {
        const struct encaptab *encap_cookie4;
        const struct encaptab *encap_cookie6;
        TAILQ_ENTRY(gif_softc) gif_link; /* all gif's are linked */
+       bpf_tap_mode    tap_mode;
+       bpf_packet_func tap_callback;
+       char    gif_ifname[IFNAMSIZ];
+       decl_lck_mtx_data(, gif_lock);  /* lock for gif softc structure */
 };
 
-#define gif_ro gifsc_gifscr.gifscr_ro
+#define        GIF_LOCK(_sc)           lck_mtx_lock(&(_sc)->gif_lock)
+#define        GIF_UNLOCK(_sc)         lck_mtx_unlock(&(_sc)->gif_lock)
+#define        GIF_LOCK_ASSERT(_sc)    lck_mtx_assert(&(_sc)->gif_lock,        \
+    LCK_MTX_ASSERT_OWNED)
+
+#define        gif_ro gifsc_gifscr.gifscr_ro
 #if INET6
-#define gif_ro6 gifsc_gifscr.gifscr_ro6
+#define        gif_ro6 gifsc_gifscr.gifscr_ro6
 #endif
 
-#endif /* KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
 
-#define GIF_MTU                (1280)  /* Default MTU */
+#define        GIF_MTU         (1280)  /* Default MTU */
 #define        GIF_MTU_MIN     (1280)  /* Minimum MTU */
 #define        GIF_MTU_MAX     (8192)  /* Maximum MTU */
 
-#ifdef KERNEL_PRIVATE
-
-/* Prototypes */
-int gif_input(struct mbuf *, char*, struct ifnet *, u_long, int);
-int gif_output(struct ifnet *, struct mbuf *,
-                   struct sockaddr *, struct rtentry *);
-int gif_ioctl(struct ifnet *, u_long, void*);
-
-#endif /* KERNEL_PRIVATE */
 #endif /* _NET_IF_GIF_H_ */