xnu-344.tar.gz

[apple/xnu.git] / bsd / sys / protosw.h

diff --git a/bsd/sys/protosw.h b/bsd/sys/protosw.h
index 98c00a565231af0f5b8d30f13830aac471b7a898..80c1a31207ce375ef6b670f6f5042d2b420c0156 100644 (file)
--- a/bsd/sys/protosw.h
+++ b/bsd/sys/protosw.h
@@ -54,8 +54,20 @@
  * SUCH DAMAGE.
  *
  *     @(#)protosw.h   8.1 (Berkeley) 6/2/93
+ * $FreeBSD: src/sys/sys/protosw.h,v 1.28.2.2 2001/07/03 11:02:01 ume Exp $
  */
 
+#ifndef _SYS_PROTOSW_H_
+#define _SYS_PROTOSW_H_
+
+/* Forward declare these structures referenced from prototypes below. */
+struct mbuf;
+struct proc;
+struct sockaddr;
+struct socket;
+struct sockopt;
+
+/*#ifdef _KERNEL*/
 /*
  * Protocol switch table.
  *
@@ -70,7 +82,7 @@
  *
  * Protocols pass data between themselves as chains of mbufs using
  * the pr_input and pr_output hooks.  Pr_input passes data up (towards
- * UNIX) and pr_output passes it down (towards the imps); control
+ * the users) and pr_output passes it down (towards the interfaces); control
  * information passes up and down on pr_ctlinput and pr_ctloutput.
  * The protocol is responsible for the space occupied by any the
  * arguments to these entries and must dispose it.
@@ -79,12 +91,11 @@
  * described below.
  */
  
-#ifndef        _SYS_PROTOSW_H_
-#define _SYS_PROTOSW_H_
-
+#include <sys/appleapiopts.h>
 #include <sys/socketvar.h>
 #include <sys/queue.h>
 
+#ifdef __APPLE_API_UNSTABLE
 struct protosw {
        short   pr_type;                /* socket type used for */
        struct  domain *pr_domain;      /* domain protocol a member of */
@@ -109,14 +120,16 @@ struct protosw {
                                        /* slow timeout (500ms) */
        void    (*pr_drain) __P((void));
                                        /* flush any excess space possible */
-
+#if __APPLE__
        int     (*pr_sysctl)();         /* sysctl for protocol */
-
+#endif
        struct  pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */
+#if __APPLE__
 /* Implant hooks */
        TAILQ_HEAD(pr_sfilter, NFDescriptor) pr_sfilter;
        struct protosw *pr_next;        /* Chain for domain */
        u_long  reserved[4];            /* Padding for future use */
+#endif
 };
 
 #define        PR_SLOWHZ       2               /* 2 slow timeouts per second */
@@ -126,6 +139,10 @@ struct protosw {
  * Values for pr_flags.
  * PR_ADDR requires PR_ATOMIC;
  * PR_ADDR and PR_CONNREQUIRED are mutually exclusive.
+ * PR_IMPLOPCL means that the protocol allows sendto without prior connect,
+ *     and the protocol understands the MSG_EOF flag.  The first property is
+ *     is only relevant if PR_CONNREQUIRED is set (otherwise sendto is allowed
+ *     anyhow).
  */
 #define        PR_ATOMIC       0x01            /* exchange atomic messages only */
 #define        PR_ADDR         0x02            /* addresses given with messages */
@@ -133,6 +150,7 @@ struct protosw {
 #define        PR_WANTRCVD     0x08            /* want PRU_RCVD calls */
 #define        PR_RIGHTS       0x10            /* passes capabilities */
 #define PR_IMPLOPCL    0x20            /* implied open/close */
+#define        PR_LASTHDR      0x40            /* enforce ipsec policy; last header */
 
 /*
  * The arguments to usrreq are:
@@ -248,7 +266,6 @@ struct pr_usrreqs {
                                   struct ucred *cred, void *));
 };
 
-
 extern int     pru_abort_notsupp(struct socket *so);
 extern int     pru_accept_notsupp(struct socket *so, struct sockaddr **nam);
 extern int     pru_attach_notsupp(struct socket *so, int proto,
@@ -315,8 +332,9 @@ extern int  pru_sopoll_notsupp(struct socket *so, int events,
 #define        PRC_TIMXCEED_INTRANS    18      /* packet lifetime expired in transit */
 #define        PRC_TIMXCEED_REASS      19      /* lifetime expired on reass q */
 #define        PRC_PARAMPROB           20      /* header incorrect */
+#define        PRC_UNREACH_ADMIN_PROHIB        21      /* packet administrativly prohibited */
 
-#define        PRC_NCMDS               21
+#define        PRC_NCMDS               22
 
 #define        PRC_IS_REDIRECT(cmd)    \
        ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST)
@@ -328,7 +346,7 @@ char        *prcrequests[] = {
        "NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH",
        "#12", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT",
        "TOSNET-REDIRECT", "TOSHOST-REDIRECT", "TX-INTRANS", "TX-REASS",
-       "PARAMPROB"
+       "PARAMPROB", "ADMIN-UNREACH"
 };
 #endif
 
@@ -358,6 +376,7 @@ char        *prcorequests[] = {
 
 #ifdef KERNEL
 void   pfctlinput __P((int, struct sockaddr *));
+void   pfctlinput2 __P((int, struct sockaddr *, void *));
 struct protosw *pffindproto __P((int family, int protocol, int type));
 struct protosw *pffindtype __P((int family, int type));
 
@@ -376,4 +395,5 @@ static void link_ ## psw ## _protos() \
 } 
 
 #endif
+#endif /* __APPLE_API_UNSTABLE */
 #endif /* !_SYS_PROTOSW_H_ */