xnu-7195.101.1.tar.gz

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

diff --git a/bsd/net/ndrv.h b/bsd/net/ndrv.h
index d8c9a492839d0a687f9ae8be574a32957ce6d21d..dde3a2a9bea9a5762ad99a34819e80fef3a862ad 100644 (file)
--- a/bsd/net/ndrv.h
+++ b/bsd/net/ndrv.h
@@ -1,17 +1,20 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2008 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 

  * 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
  * 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.
- * 
+ * 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,
  * 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,


@@ -19,8 +22,8 @@
  * 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.
  * 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@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
 /*


@@ -34,9 +37,8 @@
 #include <sys/appleapiopts.h>
 
 
 #include <sys/appleapiopts.h>
 
 

-struct sockaddr_ndrv
-{
-    unsigned char snd_len;
+struct sockaddr_ndrv {
+       unsigned char snd_len;

        unsigned char snd_family;
        unsigned char snd_name[IFNAMSIZ]; /* from if.h */
 };
        unsigned char snd_family;
        unsigned char snd_name[IFNAMSIZ]; /* from if.h */
 };


@@ -45,11 +47,11 @@ struct sockaddr_ndrv
  * Support for user-mode protocol handlers
  */
 
  * Support for user-mode protocol handlers
  */
 

-#define NDRV_DEMUXTYPE_ETHERTYPE       DLIL_DESC_ETYPE2
-#define        NDRV_DEMUXTYPE_SAP                      DLIL_DESC_SAP
-#define NDRV_DEMUXTYPE_SNAP                    DLIL_DESC_SNAP
+#define NDRV_DEMUXTYPE_ETHERTYPE        4
+#define NDRV_DEMUXTYPE_SAP                      5
+#define NDRV_DEMUXTYPE_SNAP                     6

 
 

-#define        NDRVPROTO_NDRV                          0
+#define NDRVPROTO_NDRV                          0

 
 /*
  * Struct: ndrv_demux_desc
 
 /*
  * Struct: ndrv_demux_desc


@@ -59,7 +61,7 @@ struct sockaddr_ndrv
  * Fields:
  *             type            :       type of protocol in data field, must be understood by
  *                                             the interface family of the interface the socket is bound to
  * Fields:
  *             type            :       type of protocol in data field, must be understood by
  *                                             the interface family of the interface the socket is bound to

- *             length          :       length of protocol data in "data" field
+ *             length          :       length of protocol data in "data" field

  *             data            :       union of framing-specific data, in network byte order
  *             ether_type      :       ethernet type in network byte order, assuming
  *                                             ethernet type II framing
  *             data            :       union of framing-specific data, in network byte order
  *             ether_type      :       ethernet type in network byte order, assuming
  *                                             ethernet type II framing


@@ -83,20 +85,18 @@ struct sockaddr_ndrv
  *    desc.data.snap[3] = 80;
  *    desc.data.snap[4] = 9B;
  */
  *    desc.data.snap[3] = 80;
  *    desc.data.snap[4] = 9B;
  */

-struct ndrv_demux_desc
-{
-    u_int16_t  type;
-    u_int16_t  length;
-    union
-    {
-        u_int16_t      ether_type;
-        u_int8_t       sap[3];
-        u_int8_t       snap[5];
-        u_int8_t       other[28];
-    } data;
+struct ndrv_demux_desc {
+       u_int16_t   type;
+       u_int16_t   length;
+       union{
+               u_int16_t       ether_type;
+               u_int8_t        sap[3];
+               u_int8_t        snap[5];
+               u_int8_t        other[28];
+       } data;

 };
 
 };
 

-#define NDRV_PROTOCOL_DESC_VERS        1
+#define NDRV_PROTOCOL_DESC_VERS 1

 
 /*
  * Struct: ndrv_protocol_desc
 
 /*
  * Struct: ndrv_protocol_desc


@@ -104,26 +104,43 @@ struct ndrv_demux_desc
  *   Used to "bind" an NDRV socket so that packets that match
  *   given protocol demux descriptions can be received:
  * Field:
  *   Used to "bind" an NDRV socket so that packets that match
  *   given protocol demux descriptions can be received:
  * Field:

- *             version                 :       must be NDRV_PROTOCOL_DESC_VERS
- *             protocol_family :       unique identifier for this protocol
- *             demux_count             :       number of demux_list descriptors in demux_list
- *             demux_list              :       pointer to array of demux descriptors
+ *     version         :       must be NDRV_PROTOCOL_DESC_VERS
+ *     protocol_family :       unique identifier for this protocol
+ *     demux_count     :       number of demux_list descriptors in demux_list; maximum of 10
+ *     demux_list      :       pointer to array of demux descriptors
+ */
+struct ndrv_protocol_desc {
+       u_int32_t                           version;
+       u_int32_t                           protocol_family;
+       u_int32_t                           demux_count;
+       struct ndrv_demux_desc              *demux_list;
+};
+
+#ifdef KERNEL_PRIVATE
+/* LP64 version of ndrv_protocol_desc.  all pointers
+ * grow when we're dealing with a 64-bit process.
+ * WARNING - keep in sync with ndrv_protocol_desc

  */
  */

-struct ndrv_protocol_desc
-{
-    u_int32_t                          version;
-    u_int32_t                          protocol_family;
-    u_int32_t                          demux_count;
-    struct ndrv_demux_desc*    demux_list;
+struct ndrv_protocol_desc64 {
+       u_int32_t                           version;
+       u_int32_t                           protocol_family;
+       u_int32_t                           demux_count;
+       user64_addr_t                       demux_list __attribute__((aligned(8)));
+};
+
+struct ndrv_protocol_desc32 {
+       u_int32_t                           version;
+       u_int32_t                           protocol_family;
+       u_int32_t                           demux_count;
+       user32_addr_t                       demux_list;

 };
 };

+#endif /* KERNEL_PRIVATE */

 
 

-#define SOL_NDRVPROTO          NDRVPROTO_NDRV  /* Use this socket level */
-/*             NDRV_DMXSPEC            0x01                       Obsolete */
-#define NDRV_DELDMXSPEC                0x02                    /* Delete the registered protocol */
-/*             NDRV_DMXSPECCNT         0x03                       Obsolete */
-#define NDRV_SETDMXSPEC                0x04                    /* Set the protocol spec */
-#define        NDRV_ADDMULTICAST       0x05                    /* Add a physical multicast address */
-#define NDRV_DELMULTICAST      0x06                    /* Delete a phyiscal multicast */
+#define SOL_NDRVPROTO           NDRVPROTO_NDRV  /* Use this socket level */
+#define NDRV_DELDMXSPEC         0x02                    /* Delete the registered protocol */
+#define NDRV_SETDMXSPEC         0x04                    /* Set the protocol spec */
+#define NDRV_ADDMULTICAST       0x05                    /* Add a physical multicast address */
+#define NDRV_DELMULTICAST       0x06                    /* Delete a phyiscal multicast */

 
 /*
  * SOL_NDRVPROTO - use this for the socket level when calling setsocketopt
 
 /*
  * SOL_NDRVPROTO - use this for the socket level when calling setsocketopt


@@ -148,11 +165,12 @@ struct ndrv_protocol_desc
  * you a second or two.
  */
 
  * you a second or two.
  */
 

-#ifdef KERNEL
-#ifdef __APPLE_API_UNSTABLE
-/* Additional Kernel APIs */
-struct ifnet*  ndrv_get_ifp(caddr_t ndrv_pcb);
-#endif /* __APPLE_API_UNSTABLE */
-#endif
+/* Max number of descriptions allowed by default */
+#define NDRV_DMUX_MAX_DESCR     1024
+
+/*
+ * sysctl MIB tags at the kern.ipc.nrdv level
+ */
+#define NRDV_MULTICAST_ADDRS_PER_SOCK 1 /* to toggle NDRV_DMUX_MAX_DESCR value */

 
 

-#endif /* _NET_NDRV_H */
+#endif  /* _NET_NDRV_H */