/*
- * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2014 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
* 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,
* 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@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
*/
#ifndef _SYS_PROTOSW_H_
-#define _SYS_PROTOSW_H_
+#define _SYS_PROTOSW_H_
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
+/* XXX: this will go away */
#define PR_SLOWHZ 2 /* 2 slow timeouts per second */
-#define PR_FASTHZ 5 /* 5 fast timeouts per second */
-#ifdef PRIVATE
+#ifdef KERNEL_PRIVATE
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/queue.h>
+#include <kern/locks.h>
/* Forward declare these structures referenced from prototypes below. */
struct mbuf;
struct socket;
struct sockopt;
struct socket_filter;
+#ifdef XNU_KERNEL_PRIVATE
+struct domain_old;
+#endif /* XNU_KERNEL_PRIVATE */
-/*#ifdef _KERNEL*/
+#pragma pack(4)
+
+#ifdef XNU_KERNEL_PRIVATE
+/*
+ * Legacy protocol switch table.
+ *
+ * NOTE: Do not modify this structure, as there are modules outside of xnu
+ * which rely on the size and layout for binary compatibility. This structure
+ * is simply used by the exported net_{add,del}_proto_old, pffindproto_old
+ * routines, and by the domain_old structure. Internally, protocol switch
+ * tables are stored in the private variant of protosw defined down below.
+ */
+struct protosw_old {
+#else
+struct protosw {
+#endif /* !XNU_KERNEL_PRIVATE */
+ short pr_type; /* socket type used for */
+ struct domain *pr_domain; /* domain protocol a member of */
+ short pr_protocol; /* protocol number */
+ unsigned int pr_flags; /* see below */
+ /*
+ * protocol-protocol hooks
+ */
+ void (*pr_input) /* input to protocol (from below) */
+ (struct mbuf *, int len);
+ int (*pr_output) /* output to protocol (from above) */
+ (struct mbuf *m, struct socket *so);
+ 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
+ */
+ void *pr_ousrreq;
+ /*
+ * utility hooks
+ */
+ void (*pr_init)(void); /* initialization hook */
+ void (*pr_unused)(void); /* placeholder - fasttimo is removed */
+ void (*pr_unused2)(void); /* placeholder - slowtimo is removed */
+ void (*pr_drain)(void); /* flush any excess space possible */
+ int (*pr_sysctl) /* sysctl for protocol */
+ (int *, u_int, void *, size_t *, void *, size_t);
+#ifdef XNU_KERNEL_PRIVATE
+ struct pr_usrreqs_old *pr_usrreqs; /* supersedes pr_usrreq() */
+#else
+ struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */
+#endif /* !XNU_KERNEL_PRIVATE */
+ 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);
+ /*
+ * Implant hooks
+ */
+ TAILQ_HEAD(, socket_filter) pr_filter_head;
+#ifdef XNU_KERNEL_PRIVATE
+ struct protosw_old *pr_next; /* chain for domain */
+#else
+ struct protosw *pr_next; /* chain for domain */
+#endif /* !XNU_KERNEL_PRIVATE */
+ u_int32_t reserved[1]; /* padding for future use */
+};
+
+#pragma pack()
+
+#ifdef XNU_KERNEL_PRIVATE
/*
* Protocol switch table.
*
* which is used for protocol-protocol and system-protocol communication.
*
* A protocol is called through the pr_init entry before any other.
- * Thereafter it is called every 200ms through the pr_fasttimo entry and
- * every 500ms through the pr_slowtimo for timer based actions.
- * The system will call the pr_drain entry if it is low on space and
- * this should throw away any non-critical data.
+ * The system will call the pr_drain entry if it is low on space and this
+ * should throw away any non-critical data.
*
* Protocols pass data between themselves as chains of mbufs using
* the pr_input and pr_output hooks. Pr_input passes data up (towards
*
* The userreq routine interfaces protocols to the system and is
* described below.
+ *
+ * After a protocol is attached, its pr_domain will be set to the domain
+ * which the protocol belongs to, and its pr_protosw will be set to the
+ * address of the protosw instance. The latter is useful for finding
+ * the real/original protosw instance, in the event so_proto is altered
+ * to point to an alternative/derivative protosw. E.g. the list of
+ * socket filters is only applicable on the original protosw instance.
+ *
+ * Internal, private and extendable representation of protosw.
*/
-
-#include <sys/socketvar.h>
-#include <sys/queue.h>
-#ifdef KERNEL
-#include <kern/locks.h>
-#endif /* KERNEL */
-
-#pragma pack(4)
-
struct protosw {
- short pr_type; /* socket type used for */
+ TAILQ_ENTRY(protosw) 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 */
- void (*pr_input)(struct mbuf *, int len);
- /* input to protocol (from below) */
- int (*pr_output)(struct mbuf *m, struct socket *so);
- /* 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 */
- void *pr_ousrreq;
-/* 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 */
-#if __APPLE__
- int (*pr_sysctl)(int *, u_int, void *, size_t *, void *, size_t);
- /* sysctl for protocol */
-#endif
- struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */
-#if __APPLE__
- int (*pr_lock) (struct socket *so, int locktype, void *debug); /* lock function for protocol */
- int (*pr_unlock) (struct socket *so, int locktype, void *debug); /* unlock for protocol */
-#ifdef _KERN_LOCKS_H_
- lck_mtx_t * (*pr_getlock) (struct socket *so, int locktype);
-#else
- void * (*pr_getlock) (struct socket *so, int locktype);
-#endif
-#endif
-#if __APPLE__
-/* Implant hooks */
+ 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
+ */
+ void (*pr_input) /* input to protocol (from below) */
+ (struct mbuf *, int len);
+ int (*pr_output) /* output to protocol (from above) */
+ (struct mbuf *m, struct socket *so);
+ 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 protosw *, struct domain *);
+ void (*pr_drain)(void); /* flush any excess space possible */
+ int (*pr_sysctl) /* sysctl for protocol */
+ (int *, u_int, void *, size_t *, void *, size_t);
+ 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 *pr_next; /* Chain for domain */
- u_int32_t reserved[1]; /* Padding for future use */
-#endif
+ struct protosw_old *pr_old;
};
-
-#pragma pack()
+#endif /* XNU_KERNEL_PRIVATE */
/*
* Values for pr_flags.
* 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 */
-#define PR_CONNREQUIRED 0x04 /* connection required by protocol */
-#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 */
-#define PR_PROTOLOCK 0x80 /* protocol takes care of it's own locking */
-#define PR_PCBLOCK 0x100 /* protocol supports per pcb finer grain locking */
-#define PR_DISPOSE 0x200 /* protocol requires late lists disposal */
+#define PR_ATOMIC 0x01 /* exchange atomic messages only */
+#define PR_ADDR 0x02 /* addresses given with messages */
+#define PR_CONNREQUIRED 0x04 /* connection required by protocol */
+#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 */
+#define PR_PROTOLOCK 0x80 /* protocol takes care of it's own locking */
+#define PR_PCBLOCK 0x100 /* protocol supports per pcb locking */
+#define PR_DISPOSE 0x200 /* protocol requires late lists disposal */
+#ifdef BSD_KERNEL_PRIVATE
+#define PR_INITIALIZED 0x400 /* protocol has been initialized */
+#define PR_ATTACHED 0x800 /* protocol is attached to a domain */
+#define PR_MULTICONN 0x1000 /* supports multiple connect calls */
+#define PR_EVCONNINFO 0x2000 /* protocol generates conninfo event */
+#define PR_OLD 0x10000000 /* added via net_add_proto */
+
+/* pseudo-public domain flags */
+#define PRF_USERFLAGS \
+ (PR_ATOMIC|PR_ADDR|PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS| \
+ PR_IMPLOPCL|PR_LASTHDR|PR_PROTOLOCK|PR_PCBLOCK|PR_DISPOSE)
+#endif /* BSD_KERNEL_PRIVATE */
+
+#ifdef BSD_KERNEL_PRIVATE
+/*
+ * The arguments to the ctlinput routine are
+ * (*protosw[].pr_ctlinput)(cmd, sa, arg);
+ * where cmd is one of the commands below, sa is a pointer to a sockaddr,
+ * and arg is a `void *' argument used within a protocol family.
+ */
+#define PRC_IFDOWN 0 /* interface transition */
+#define PRC_ROUTEDEAD 1 /* select new route if possible ??? */
+#define PRC_IFUP 2 /* interface has come back up */
+#define PRC_QUENCH2 3 /* DEC congestion bit says slow down */
+#define PRC_QUENCH 4 /* some one said to slow down */
+#define PRC_MSGSIZE 5 /* message size forced drop */
+#define PRC_HOSTDEAD 6 /* host appears to be down */
+#define PRC_HOSTUNREACH 7 /* deprecated (use PRC_UNREACH_HOST) */
+#define PRC_UNREACH_NET 8 /* no route to network */
+#define PRC_UNREACH_HOST 9 /* no route to host */
+#define PRC_UNREACH_PROTOCOL 10 /* dst says bad protocol */
+#define PRC_UNREACH_PORT 11 /* bad port # */
+/* was PRC_UNREACH_NEEDFRAG 12 (use PRC_MSGSIZE) */
+#define PRC_UNREACH_SRCFAIL 13 /* source route failed */
+#define PRC_REDIRECT_NET 14 /* net routing redirect */
+#define PRC_REDIRECT_HOST 15 /* host routing redirect */
+#define PRC_REDIRECT_TOSNET 16 /* redirect for type of service & net */
+#define PRC_REDIRECT_TOSHOST 17 /* redirect for tos & host */
+#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 22
+
+#define PRC_IS_REDIRECT(cmd) \
+ ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST)
+
+#ifdef PRCREQUESTS
+char *prcrequests[] = {
+ "IFDOWN", "ROUTEDEAD", "IFUP", "DEC-BIT-QUENCH2",
+ "QUENCH", "MSGSIZE", "HOSTDEAD", "#7",
+ "NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH",
+ "#12", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT",
+ "TOSNET-REDIRECT", "TOSHOST-REDIRECT", "TX-INTRANS", "TX-REASS",
+ "PARAMPROB", "ADMIN-UNREACH"
+};
+#endif /* PRCREQUESTS */
/*
- * The arguments to usrreq are:
- * (*protosw[].pr_usrreq)(up, req, m, nam, opt);
- * where up is a (struct socket *), req is one of these requests,
- * m is a optional mbuf chain containing a message,
- * nam is an optional mbuf chain containing an address,
- * and opt is a pointer to a socketopt structure or nil.
- * The protocol is responsible for disposal of the mbuf chain m,
- * the caller is responsible for any space held by nam and opt.
+ * The arguments to ctloutput are:
+ * (*protosw[].pr_ctloutput)(req, so, level, optname, optval, p);
+ * req is one of the actions listed below, so is a (struct socket *),
+ * level is an indication of which protocol layer the option is intended.
+ * optname is a protocol dependent socket option request,
+ * optval is a pointer to a mbuf-chain pointer, for value-return results.
+ * The protocol is responsible for disposal of the mbuf chain *optval
+ * if supplied,
+ * the caller is responsible for any space held by *optval, when returned.
* A non-zero return from usrreq gives an
* UNIX error number which should be passed to higher level software.
*/
+#define PRCO_GETOPT 0
+#define PRCO_SETOPT 1
+
+#define PRCO_NCMDS 2
+
+#ifdef PRCOREQUESTS
+char *prcorequests[] = {
+ "GETOPT", "SETOPT",
+};
+#endif /* PRCOREQUESTS */
+
+/*
+ * In earlier BSD network stacks, a single pr_usrreq() function pointer was
+ * invoked with an operation number indicating what operation was desired.
+ * We now provide individual function pointers which protocols can implement,
+ * which offers a number of benefits (such as type checking for arguments).
+ * These older constants are still present in order to support TCP debugging.
+ */
#define PRU_ATTACH 0 /* attach protocol to up */
#define PRU_DETACH 1 /* detach protocol from up */
#define PRU_BIND 2 /* bind socket to address */
#define PRU_PROTORCV 20 /* receive from below */
#define PRU_PROTOSEND 21 /* send to below */
/* end for protocol's internal use */
-#define PRU_SEND_EOF 22 /* send and close */
-#define PRU_NREQ 22
+#define PRU_SEND_EOF 22 /* send and close */
+#define PRU_NREQ 22
#ifdef PRUREQUESTS
char *prurequests[] = {
"RCVD", "SEND", "ABORT", "CONTROL",
"SENSE", "RCVOOB", "SENDOOB", "SOCKADDR",
"PEERADDR", "CONNECT2", "FASTTIMO", "SLOWTIMO",
- "PROTORCV", "PROTOSEND",
- "SEND_EOF",
+ "PROTORCV", "PROTOSEND", "SEND_EOF",
};
-#endif
-
-#ifdef KERNEL /* users shouldn't see this decl */
+#endif /* PRUREQUESTS */
+#endif /* BSD_KERNEL_PRIVATE */
struct ifnet;
struct stat;
struct ucred;
struct uio;
+#ifdef XNU_KERNEL_PRIVATE
/*
- * If the ordering here looks odd, that's because it's alphabetical.
- * Having this structure separated out from the main protoswitch is allegedly
- * a big (12 cycles per call) lose on high-end CPUs. We will eventually
- * migrate this stuff back into the main structure.
+ * Legacy user-protocol hooks.
+ *
+ * NOTE: Do not modify this structure, as there are modules outside of xnu
+ * which rely on the size and layout for binary compatibility. This structure
+ * is simply used by the protosw_old structure. Internally, user-protocol
+ * hooks use the private variant of pr_usrreqs defined down below.
*/
+struct pr_usrreqs_old {
+#else
struct pr_usrreqs {
+#endif /* !XNU_KERNEL_PRIVATE */
int (*pru_abort)(struct socket *so);
int (*pru_accept)(struct socket *so, struct sockaddr **nam);
int (*pru_attach)(struct socket *so, int proto, struct proc *p);
int (*pru_bind)(struct socket *so, struct sockaddr *nam,
- struct proc *p);
+ struct proc *p);
int (*pru_connect)(struct socket *so, struct sockaddr *nam,
- struct proc *p);
+ struct proc *p);
int (*pru_connect2)(struct socket *so1, struct socket *so2);
int (*pru_control)(struct socket *so, u_long cmd, caddr_t data,
- struct ifnet *ifp, struct proc *p);
+ struct ifnet *ifp, struct proc *p);
int (*pru_detach)(struct socket *so);
int (*pru_disconnect)(struct socket *so);
int (*pru_listen)(struct socket *so, struct proc *p);
int (*pru_peeraddr)(struct socket *so, struct sockaddr **nam);
int (*pru_rcvd)(struct socket *so, int flags);
int (*pru_rcvoob)(struct socket *so, struct mbuf *m, int flags);
- int (*pru_send)(struct socket *so, int flags, struct mbuf *m,
- struct sockaddr *addr, struct mbuf *control,
- struct proc *p);
-#define PRUS_OOB 0x1
-#define PRUS_EOF 0x2
-#define PRUS_MORETOCOME 0x4
+ int (*pru_send)(struct socket *so, int flags, struct mbuf *m,
+ struct sockaddr *addr, struct mbuf *control,
+ struct proc *p);
int (*pru_sense)(struct socket *so, void *sb, int isstat64);
int (*pru_shutdown)(struct socket *so);
int (*pru_sockaddr)(struct socket *so, struct sockaddr **nam);
-
- /*
- * These three added later, so they are out of order. They are used
- * for shortcutting (fast path input/output) in some protocols.
- * XXX - that's a lie, they are not implemented yet
- * Rather than calling sosend() etc. directly, calls are made
- * through these entry points. For protocols which still use
- * the generic code, these just point to those routines.
- */
int (*pru_sosend)(struct socket *so, struct sockaddr *addr,
- struct uio *uio, struct mbuf *top,
- struct mbuf *control, int flags);
- int (*pru_soreceive)(struct socket *so,
- struct sockaddr **paddr,
- struct uio *uio, struct mbuf **mp0,
- struct mbuf **controlp, int *flagsp);
- int (*pru_sopoll)(struct socket *so, int events,
- struct ucred *cred, void *);
+ struct uio *uio, struct mbuf *top, struct mbuf *control,
+ int flags);
+ int (*pru_soreceive)(struct socket *so, struct sockaddr **paddr,
+ struct uio *uio, struct mbuf **mp0, struct mbuf **controlp,
+ int *flagsp);
+ int (*pru_sopoll)(struct socket *so, int events,
+ struct ucred *cred, void *);
};
-__BEGIN_DECLS
-
-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,
- struct proc *p);
-extern int pru_bind_notsupp(struct socket *so, struct sockaddr *nam,
- struct proc *p);
-extern int pru_connect_notsupp(struct socket *so, struct sockaddr *nam,
- struct proc *p);
-extern int pru_connect2_notsupp(struct socket *so1, struct socket *so2);
-extern int pru_control_notsupp(struct socket *so, u_long cmd, caddr_t data,
- struct ifnet *ifp, struct proc *p);
-extern int pru_detach_notsupp(struct socket *so);
-extern int pru_disconnect_notsupp(struct socket *so);
-extern int pru_listen_notsupp(struct socket *so, struct proc *p);
-extern int pru_peeraddr_notsupp(struct socket *so,
- struct sockaddr **nam);
-extern int pru_rcvd_notsupp(struct socket *so, int flags);
-extern int pru_rcvoob_notsupp(struct socket *so, struct mbuf *m,
- int flags);
-extern int pru_send_notsupp(struct socket *so, int flags, struct mbuf *m,
- struct sockaddr *addr, struct mbuf *control,
- struct proc *p);
-extern int pru_sense_null(struct socket *so, void * sb, int isstat64);
-extern int pru_shutdown_notsupp(struct socket *so);
-extern int pru_sockaddr_notsupp(struct socket *so,
- struct sockaddr **nam);
-extern int pru_sosend_notsupp(struct socket *so, struct sockaddr *addr,
- struct uio *uio, struct mbuf *top,
- struct mbuf *control, int flags);
-extern int pru_soreceive_notsupp(struct socket *so,
- struct sockaddr **paddr,
- struct uio *uio, struct mbuf **mp0,
- struct mbuf **controlp, int *flagsp);
-extern int pru_sopoll_notsupp(struct socket *so, int events,
- struct ucred *cred, void *);
-
-__END_DECLS
-
-#endif /* KERNEL */
-
+#ifdef XNU_KERNEL_PRIVATE
/*
- * The arguments to the ctlinput routine are
- * (*protosw[].pr_ctlinput)(cmd, sa, arg);
- * where cmd is one of the commands below, sa is a pointer to a sockaddr,
- * and arg is a `void *' argument used within a protocol family.
+ * If the ordering here looks odd, that's because it's alphabetical. These
+ * should eventually be merged back into struct protosw.
+ *
+ * Internal, private and extendable representation of pr_usrreqs.
+ *
+ * NOTE: When adding new ones, also add default callbacks in pru_sanitize().
*/
-#define PRC_IFDOWN 0 /* interface transition */
-#define PRC_ROUTEDEAD 1 /* select new route if possible ??? */
-#define PRC_IFUP 2 /* interface has come back up */
-#define PRC_QUENCH2 3 /* DEC congestion bit says slow down */
-#define PRC_QUENCH 4 /* some one said to slow down */
-#define PRC_MSGSIZE 5 /* message size forced drop */
-#define PRC_HOSTDEAD 6 /* host appears to be down */
-#define PRC_HOSTUNREACH 7 /* deprecated (use PRC_UNREACH_HOST) */
-#define PRC_UNREACH_NET 8 /* no route to network */
-#define PRC_UNREACH_HOST 9 /* no route to host */
-#define PRC_UNREACH_PROTOCOL 10 /* dst says bad protocol */
-#define PRC_UNREACH_PORT 11 /* bad port # */
-/* was PRC_UNREACH_NEEDFRAG 12 (use PRC_MSGSIZE) */
-#define PRC_UNREACH_SRCFAIL 13 /* source route failed */
-#define PRC_REDIRECT_NET 14 /* net routing redirect */
-#define PRC_REDIRECT_HOST 15 /* host routing redirect */
-#define PRC_REDIRECT_TOSNET 16 /* redirect for type of service & net */
-#define PRC_REDIRECT_TOSHOST 17 /* redirect for tos & host */
-#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 22
-
-#define PRC_IS_REDIRECT(cmd) \
- ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST)
-
-#ifdef PRCREQUESTS
-char *prcrequests[] = {
- "IFDOWN", "ROUTEDEAD", "IFUP", "DEC-BIT-QUENCH2",
- "QUENCH", "MSGSIZE", "HOSTDEAD", "#7",
- "NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH",
- "#12", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT",
- "TOSNET-REDIRECT", "TOSHOST-REDIRECT", "TX-INTRANS", "TX-REASS",
- "PARAMPROB", "ADMIN-UNREACH"
+struct pr_usrreqs {
+ uint32_t pru_flags; /* see PRUF flags below */
+ int (*pru_abort)(struct socket *);
+ int (*pru_accept)(struct socket *, struct sockaddr **);
+ int (*pru_attach)(struct socket *, int proto, struct proc *);
+ int (*pru_bind)(struct socket *, struct sockaddr *, struct proc *);
+ int (*pru_connect)(struct socket *, struct sockaddr *,
+ struct proc *);
+ int (*pru_connect2)(struct socket *, struct socket *);
+ int (*pru_connectx)(struct socket *, struct sockaddr_list **,
+ struct sockaddr_list **, struct proc *, uint32_t,
+ associd_t, connid_t *, uint32_t, void *, uint32_t);
+ int (*pru_control)(struct socket *, u_long, caddr_t,
+ struct ifnet *, struct proc *);
+ int (*pru_detach)(struct socket *);
+ int (*pru_disconnect)(struct socket *);
+ int (*pru_disconnectx)(struct socket *, associd_t, connid_t);
+ int (*pru_listen)(struct socket *, struct proc *);
+ int (*pru_peeloff)(struct socket *, associd_t, struct socket **);
+ int (*pru_peeraddr)(struct socket *, struct sockaddr **);
+ int (*pru_rcvd)(struct socket *, int);
+ int (*pru_rcvoob)(struct socket *, struct mbuf *, int);
+ int (*pru_send)(struct socket *, int, struct mbuf *,
+ struct sockaddr *, struct mbuf *, struct proc *);
+ int (*pru_send_list)(struct socket *, int, struct mbuf *,
+ struct sockaddr *, struct mbuf *, struct proc *);
+#define PRUS_OOB 0x1
+#define PRUS_EOF 0x2
+#define PRUS_MORETOCOME 0x4
+ int (*pru_sense)(struct socket *, void *, int);
+ int (*pru_shutdown)(struct socket *);
+ int (*pru_sockaddr)(struct socket *, struct sockaddr **);
+ int (*pru_sopoll)(struct socket *, int, struct ucred *, void *);
+ int (*pru_soreceive)(struct socket *, struct sockaddr **,
+ struct uio *, struct mbuf **, struct mbuf **, int *);
+ int (*pru_soreceive_list)(struct socket *, struct sockaddr **,
+ struct uio **, u_int, struct mbuf **, struct mbuf **, int *);
+ int (*pru_sosend)(struct socket *, struct sockaddr *,
+ struct uio *, struct mbuf *, struct mbuf *, int);
+ int (*pru_sosend_list)(struct socket *, struct sockaddr *,
+ struct uio **, u_int, struct mbuf *, struct mbuf *, int);
+ int (*pru_socheckopt)(struct socket *, struct sockopt *);
};
-#endif
-/*
- * The arguments to ctloutput are:
- * (*protosw[].pr_ctloutput)(req, so, level, optname, optval, p);
- * req is one of the actions listed below, so is a (struct socket *),
- * level is an indication of which protocol layer the option is intended.
- * optname is a protocol dependent socket option request,
- * optval is a pointer to a mbuf-chain pointer, for value-return results.
- * The protocol is responsible for disposal of the mbuf chain *optval
- * if supplied,
- * the caller is responsible for any space held by *optval, when returned.
- * A non-zero return from usrreq gives an
- * UNIX error number which should be passed to higher level software.
- */
-#define PRCO_GETOPT 0
-#define PRCO_SETOPT 1
-
-#define PRCO_NCMDS 2
-
-#ifdef PRCOREQUESTS
-char *prcorequests[] = {
- "GETOPT", "SETOPT",
-};
-#endif
+/* Values for pru_flags */
+#define PRUF_OLD 0x10000000 /* added via net_add_proto */
-#ifdef KERNEL
+#endif /* XNU_KERNEL_PRIVATE */
__BEGIN_DECLS
-void domaininit(void) __attribute__((section("__TEXT, initcode")));
-
-void pfctlinput(int, struct sockaddr *);
-void pfctlinput2(int, struct sockaddr *, void *);
-struct protosw *pffindproto(int family, int protocol, int type);
-struct protosw *pffindproto_locked(int family, int protocol, int type);
-struct protosw *pffindtype(int family, int type);
-
+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, struct proc *p);
+extern int pru_bind_notsupp(struct socket *so, struct sockaddr *nam,
+ struct proc *p);
+extern int pru_connect_notsupp(struct socket *so, struct sockaddr *nam,
+ struct proc *p);
+extern int pru_connect2_notsupp(struct socket *so1, struct socket *so2);
+#ifdef XNU_KERNEL_PRIVATE
+extern int pru_connectx_notsupp(struct socket *, struct sockaddr_list **,
+ struct sockaddr_list **, struct proc *, uint32_t, associd_t, connid_t *,
+ uint32_t, void *, uint32_t);
+extern int pru_disconnectx_notsupp(struct socket *, associd_t, connid_t);
+extern int pru_socheckopt_null(struct socket *, struct sockopt *);
+extern int pru_peeloff_notsupp(struct socket *, associd_t, struct socket **);
+#endif /* XNU_KERNEL_PRIVATE */
+extern int pru_control_notsupp(struct socket *so, u_long cmd, caddr_t data,
+ struct ifnet *ifp, struct proc *p);
+extern int pru_detach_notsupp(struct socket *so);
+extern int pru_disconnect_notsupp(struct socket *so);
+extern int pru_listen_notsupp(struct socket *so, struct proc *p);
+extern int pru_peeraddr_notsupp(struct socket *so, struct sockaddr **nam);
+extern int pru_rcvd_notsupp(struct socket *so, int flags);
+extern int pru_rcvoob_notsupp(struct socket *so, struct mbuf *m, int flags);
+extern int pru_send_notsupp(struct socket *so, int flags, struct mbuf *m,
+ struct sockaddr *addr, struct mbuf *control, struct proc *p);
+extern int pru_send_list_notsupp(struct socket *so, int flags, struct mbuf *m,
+ struct sockaddr *addr, struct mbuf *control, struct proc *p);
+extern int pru_sense_null(struct socket *so, void * sb, int isstat64);
+extern int pru_shutdown_notsupp(struct socket *so);
+extern int pru_sockaddr_notsupp(struct socket *so, struct sockaddr **nam);
+extern int pru_sosend_notsupp(struct socket *so, struct sockaddr *addr,
+ struct uio *uio, struct mbuf *top, struct mbuf *control, int flags);
+extern int pru_sosend_list_notsupp(struct socket *so, struct sockaddr *addr,
+ struct uio **uio, u_int, struct mbuf *top, struct mbuf *control, int flags);
+extern int pru_soreceive_notsupp(struct socket *so,
+ struct sockaddr **paddr, struct uio *uio, struct mbuf **mp0,
+ struct mbuf **controlp, int *flagsp);
+extern int pru_soreceive_list_notsupp(struct socket *so,
+ struct sockaddr **paddr, struct uio **uio, u_int, struct mbuf **mp0,
+ struct mbuf **controlp, int *flagsp);
+extern int pru_sopoll_notsupp(struct socket *so, int events,
+ struct ucred *cred, void *);
+#ifdef XNU_KERNEL_PRIVATE
+extern void pru_sanitize(struct pr_usrreqs *);
+extern void domaininit(void);
+extern void domainfin(void);
+extern void pfctlinput(int, struct sockaddr *);
+extern void pfctlinput2(int, struct sockaddr *, void *);
+extern struct protosw *pffindproto_locked(int, int, int);
+extern struct protosw *pffindprotonotype(int, int);
+extern struct protosw *pffindtype(int, int);
+extern struct protosw_old *pffindproto_old(int, int, int);
+extern int net_add_proto(struct protosw *, struct domain *, int);
+extern void net_init_proto(struct protosw *, struct domain *);
+extern int net_del_proto(int, int, struct domain *);
+extern int net_add_proto_old(struct protosw_old *, struct domain_old *);
+extern int net_del_proto_old(int, int, struct domain_old *);
+extern void net_update_uptime(void);
+extern void net_update_uptime_secs(uint64_t secs);
+extern u_int64_t net_uptime(void);
+extern void net_uptime2timeval(struct timeval *);
+#else
extern int net_add_proto(struct protosw *, struct domain *);
extern int net_del_proto(int, int, struct domain *);
-
+#endif /* XNU_KERNEL_PRIVATE */
+extern struct protosw *pffindproto(int family, int protocol, int type);
__END_DECLS
-
-/* Temp hack to link static domains together */
-
-#define LINK_PROTOS(psw) \
-static void link_ ## psw ## _protos() \
-{ \
- int i; \
- \
- for (i=0; i < ((sizeof(psw)/sizeof(psw[0])) - 1); i++) \
- psw[i].pr_next = &psw[i + 1]; \
-}
-
-#endif
-
-#endif /* PRIVATE */
+#endif /* KERNEL_PRIVATE */
#endif /* !_SYS_PROTOSW_H_ */
projects / apple / xnu.git / blobdiff