xnu-3789.51.2.tar.gz

[apple/xnu.git] / bsd / netinet6 / ip6protosw.h

diff --git a/bsd/netinet6/ip6protosw.h b/bsd/netinet6/ip6protosw.h
index cc4b141917f982ab9f60965a8860989b5f96e40c..12bec55b0a86b1d3bb67108cad6a08de1e707ea3 100644 (file)
--- a/bsd/netinet6/ip6protosw.h
+++ b/bsd/netinet6/ip6protosw.h
@@ -1,4 +1,31 @@
-/*     $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.3 2001/07/03 11:01:54 ume Exp $ */
+/*
+ * Copyright (c) 2008-2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_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.
+ *
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+

 /*     $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $     */
 
 /*
 /*     $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $     */
 
 /*


@@ -69,10 +96,10 @@
  */
 
 #ifndef _NETINET6_IP6PROTOSW_H_
  */
 
 #ifndef _NETINET6_IP6PROTOSW_H_

-#define _NETINET6_IP6PROTOSW_H_
+#define        _NETINET6_IP6PROTOSW_H_

 #include <sys/appleapiopts.h>
 
 #include <sys/appleapiopts.h>
 

-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE

 #include <kern/locks.h>
 
 /*
 #include <kern/locks.h>
 
 /*


@@ -84,7 +111,6 @@ struct mbuf;
 struct sockaddr;
 struct socket;
 struct domain;
 struct sockaddr;
 struct socket;
 struct domain;

-struct proc;

 struct ip6_hdr;
 struct icmp6_hdr;
 struct in6_addr;
 struct ip6_hdr;
 struct icmp6_hdr;
 struct in6_addr;


@@ -94,7 +120,7 @@ struct pr_usrreqs;
  * argument type for the last arg of pr_ctlinput().
  * should be consulted only with AF_INET6 family.
  *
  * argument type for the last arg of pr_ctlinput().
  * should be consulted only with AF_INET6 family.
  *

- * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod
+ * IPv6 ICMP IPv6 [exthdrs] finalhdr payload

  * ^    ^    ^              ^
  * |    |    ip6c_ip6       ip6c_off
  * |    ip6c_icmp6
  * ^    ^    ^              ^
  * |    |    ip6c_ip6       ip6c_off
  * |    ip6c_icmp6


@@ -120,54 +146,54 @@ struct ip6ctlparam {
        u_int8_t ip6c_nxt;              /* final next header field */
 };
 
        u_int8_t ip6c_nxt;              /* final next header field */
 };
 

+/*
+ * TODO:
+ *
+ * This closesly resembles protosw; we should merge them one day.  Offsets
+ * must be exactly equivalent, due to casting.
+ */

 struct ip6protosw {
 struct ip6protosw {

-       short   pr_type;                /* socket type used for */
+       TAILQ_ENTRY(ip6protosw) pr_entry; /* chain for domain */

        struct  domain *pr_domain;      /* domain protocol a member of */
        struct  domain *pr_domain;      /* domain protocol a member of */

-       short   pr_protocol;            /* protocol number */
-        unsigned int pr_flags;          /* see below */
-/* protocol-protocol hooks */
-       int     (*pr_input)(struct mbuf **, int *);
-                                       /* input to protocol (from below) */
-       int     (*pr_output)(struct mbuf *m, struct socket *so,
-                                    struct sockaddr_in6 *, struct mbuf *);
-                                       /* output to protocol (from above) */
-       void    (*pr_ctlinput)(int, struct sockaddr *, void *);
-                                       /* control input (from below) */
-       int     (*pr_ctloutput)(struct socket *, struct sockopt *);
-                                       /* control output (from above) */
-/* user-protocol hook */
-       int     (*pr_usrreq)(struct socket *, int, struct mbuf *,
-                            struct mbuf *, struct mbuf *, struct proc *);
-                                       /* user request: see list below */
-
-/* utility hooks */
-       void    (*pr_init)(void);       /* initialization hook */
-       void    (*pr_fasttimo)(void);
-                                       /* fast timeout (200ms) */
-       void    (*pr_slowtimo)(void);
-                                       /* slow timeout (500ms) */
-       void    (*pr_drain)(void);
-                                       /* flush any excess space possible */
-#ifdef __APPLE__
+       struct protosw *pr_protosw;     /* pointer to self */
+       u_int16_t pr_type;              /* socket type used for */
+       u_int16_t pr_protocol;          /* protocol number */
+       u_int32_t pr_flags;             /* see below */
+       /*
+        * protocol-protocol hooks
+        */
+       int     (*pr_input)             /* input to protocol (from below) */
+                   (struct mbuf **, int *, int);
+       int     (*pr_output)            /* output to protocol (from above) */
+                   (struct mbuf *m, struct socket *so,
+                   struct sockaddr_in6 *, struct mbuf *);
+       void    (*pr_ctlinput)          /* control input (from below) */
+                   (int, struct sockaddr *, void *);
+       int     (*pr_ctloutput)         /* control output (from above) */
+                   (struct socket *, struct sockopt *);
+       /*
+        * user-protocol hook
+        */
+       struct  pr_usrreqs *pr_usrreqs; /* user request; see list below */
+       /*
+        * utility hooks
+        */
+       void    (*pr_init)              /* initialization hook */
+                   (struct ip6protosw *, struct domain *);
+       void    (*pr_drain)(void);      /* flush any excess space possible */

        /* for compat. with IPv4 protosw */
        /* for compat. with IPv4 protosw */

-       int     (*pr_sysctl)(void);             /* sysctl for protocol */
-#endif
-
-       struct  pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */
-#ifdef __APPLE__
-       int             (*pr_lock)      (struct socket *so, int locktype, int debug); /* lock function for protocol */
-       int             (*pr_unlock)    (struct socket *so, int locktype, int debug); /* unlock for protocol */
-#ifdef _KERN_LOCKS_H_
-       lck_mtx_t *     (*pr_getlock)   (struct socket *so, int locktype); /* unlock for protocol */
-#else
-       void *  (*pr_getlock)   (struct socket *so, int locktype); /* unlock for protocol */
-#endif
-       /* Filter hooks */
-       TAILQ_HEAD(pr6_sfilter, NFDescriptor) pr_sfilter;
-       struct ip6protosw *pr_next;     /* Chain for domain */
-       u_long reserved[1];
-#endif
+       int     (*pr_sysctl)(void);     /* sysctl for protocol */
+       int     (*pr_lock)              /* lock function for protocol */
+                   (struct socket *so, int locktype, void *debug);
+       int     (*pr_unlock)            /* unlock for protocol */
+                   (struct socket *so, int locktype, void *debug);
+       lck_mtx_t *(*pr_getlock)        /* retrieve protocol lock */
+                   (struct socket *so, int locktype);
+       /*
+        * misc
+        */
+       TAILQ_HEAD(, socket_filter) pr_filter_head;
+       struct protosw_old *pr_old;

 };
 };

-
-#endif KERNEL_PRIVATE
-#endif _NETINET6_IP6PROTOSW_H_
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* _NETINET6_IP6PROTOSW_H_ */