X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..008676633c2ad2c325837c2b64915f7ded690a8f:/bsd/netinet6/ip6protosw.h

diff --git a/bsd/netinet6/ip6protosw.h b/bsd/netinet6/ip6protosw.h
index beee88937..12bec55b0 100644
--- 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 $	*/
 
 /*
@@ -69,9 +96,11 @@
  */
 
 #ifndef _NETINET6_IP6PROTOSW_H_
-#define _NETINET6_IP6PROTOSW_H_
+#define	_NETINET6_IP6PROTOSW_H_
 #include <sys/appleapiopts.h>
-#ifdef __APPLE_API_PRIVATE
+
+#ifdef BSD_KERNEL_PRIVATE
+#include <kern/locks.h>
 
 /*
  * Protocol switch table for IPv6.
@@ -82,7 +111,6 @@ struct mbuf;
 struct sockaddr;
 struct socket;
 struct domain;
-struct proc;
 struct ip6_hdr;
 struct icmp6_hdr;
 struct in6_addr;
@@ -92,7 +120,7 @@ struct pr_usrreqs;
  * 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
@@ -118,47 +146,54 @@ struct ip6ctlparam {
 	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 {
-	short	pr_type;		/* socket type used for */
+	TAILQ_ENTRY(ip6protosw) pr_entry; /* chain for domain */
 	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) __P((struct mbuf **, int *));
-					/* input to protocol (from below) */
-	int	(*pr_output)	__P((struct mbuf *m, struct socket *so,
-				     struct sockaddr_in6 *, struct mbuf *));
-					/* output to protocol (from above) */
-	void	(*pr_ctlinput)__P((int, struct sockaddr *, void *));
-					/* control input (from below) */
-	int	(*pr_ctloutput)__P((struct socket *, struct sockopt *));
-					/* control output (from above) */
-/* user-protocol hook */
-	int	(*pr_usrreq)		/* user request: see list below */
-			__P((struct socket *, int, struct mbuf *,
-			     struct mbuf *, struct mbuf *, struct proc *));
-
-/* utility hooks */
-	void	(*pr_init) __P((void));	/* initialization hook */
-	void	(*pr_fasttimo) __P((void));
-					/* fast timeout (200ms) */
-	void	(*pr_slowtimo) __P((void));
-					/* slow timeout (500ms) */
-	void	(*pr_drain) __P((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 */
-	int	(*pr_sysctl)();		/* sysctl for protocol */
-#endif
-
-	struct	pr_usrreqs *pr_usrreqs;	/* supersedes pr_usrreq() */
-#ifdef __APPLE__
-	/* Filter hooks */
-	TAILQ_HEAD(pr6_sfilter, NFDescriptor) pr_sfilter;
-	struct ip6protosw *pr_next;	/* Chain for domain */
-	u_long reserved[4];
-#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 /* __APPLE_API_PRIVATE */
-#endif
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* _NETINET6_IP6PROTOSW_H_ */