xnu-792.18.15.tar.gz

[apple/xnu.git] / bsd / netinet / in_pcb.h

diff --git a/bsd/netinet/in_pcb.h b/bsd/netinet/in_pcb.h
index 13bc26209b35fcba2d032d7376cae8acaf6e7095..c41665e84f53a835fcee97597f79b79f4286b63b 100644 (file)
--- a/bsd/netinet/in_pcb.h
+++ b/bsd/netinet/in_pcb.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE 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) 1982, 1986, 1990, 1993
  */
 /*
  * Copyright (c) 1982, 1986, 1990, 1993


@@ -52,18 +58,27 @@
  * SUCH DAMAGE.
  *
  *     @(#)in_pcb.h    8.1 (Berkeley) 6/10/93
  * SUCH DAMAGE.
  *
  *     @(#)in_pcb.h    8.1 (Berkeley) 6/10/93

+ * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.4 2001/08/13 16:26:17 ume Exp $

  */
 
 #ifndef _NETINET_IN_PCB_H_
 #define _NETINET_IN_PCB_H_
  */
 
 #ifndef _NETINET_IN_PCB_H_
 #define _NETINET_IN_PCB_H_

+#include <sys/appleapiopts.h>

 
 

+#include <sys/types.h>

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

-#if IPSEC
-#include <netinet6/ipsec.h>
+#ifdef KERNEL_PRIVATE
+#ifdef KERNEL
+#include <kern/locks.h>

 #endif
 #endif

+#endif /* KERNEL_PRIVATE */
+
+#include <netinet6/ipsec.h> /* for IPSEC */

 
 

-#define in6pcb         inpcb   /* for KAME src sync over BSD*'s */
-#define in6p_sp                inp_sp  /* for KAME src sync over BSD*'s */
+#ifdef KERNEL_PRIVATE
+
+#define        in6pcb          inpcb   /* for KAME src sync over BSD*'s */
+#define        in6p_sp         inp_sp  /* for KAME src sync over BSD*'s */

 
 /*
  * Common structure pcb for internet protocol implementation.
 
 /*
  * Common structure pcb for internet protocol implementation.


@@ -74,6 +89,7 @@
  */
 LIST_HEAD(inpcbhead, inpcb);
 LIST_HEAD(inpcbporthead, inpcbport);
  */
 LIST_HEAD(inpcbhead, inpcb);
 LIST_HEAD(inpcbporthead, inpcbport);

+#endif /* KERNEL_PRIVATE */

 typedef        u_quad_t        inp_gen_t;
 
 /*
 typedef        u_quad_t        inp_gen_t;
 
 /*


@@ -82,22 +98,23 @@ typedef     u_quad_t        inp_gen_t;
  * by utilize following structure. (At last, same as INRIA)
  */
 struct in_addr_4in6 {
  * by utilize following structure. (At last, same as INRIA)
  */
 struct in_addr_4in6 {

-       u_int32_t        ia46_pad32[3];
-       struct in_addr   ia46_addr4;
+       u_int32_t       ia46_pad32[3];
+       struct  in_addr ia46_addr4;

 };
 
 };
 

+#ifdef KERNEL_PRIVATE

 /*
  * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS
  * of the structure.  Therefore, it is important that the members in
  * that position not contain any information which is required to be
  * stable.
  */
 /*
  * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS
  * of the structure.  Therefore, it is important that the members in
  * that position not contain any information which is required to be
  * stable.
  */

-struct icmp6_filter;
+struct icmp6_filter;

 
 struct inpcb {
        LIST_ENTRY(inpcb) inp_hash;     /* hash list */
 
 struct inpcb {
        LIST_ENTRY(inpcb) inp_hash;     /* hash list */

-       struct  in_addr inp_faddr;      /* foreign host table entry */
-       struct  in_addr inp_laddr;      /* local host table entry */
+       int             inp_wantcnt;            /* pcb wanted count. protected by pcb list lock */
+       int             inp_state;              /* state of this pcb, in use, recycled, ready for recycling... */

        u_short inp_fport;              /* foreign port */
        u_short inp_lport;              /* local port */
        LIST_ENTRY(inpcb) inp_list;     /* list for all PCBs of this proto */
        u_short inp_fport;              /* foreign port */
        u_short inp_lport;              /* local port */
        LIST_ENTRY(inpcb) inp_list;     /* list for all PCBs of this proto */


@@ -112,27 +129,25 @@ struct inpcb {
        int     inp_flags;              /* generic IP/datagram flags */
        u_int32_t inp_flow;
 
        int     inp_flags;              /* generic IP/datagram flags */
        u_int32_t inp_flow;
 

-       u_char  inp_vflag;
-#define INP_IPV4       0x1
-#define INP_IPV6       0x2
+       u_char  inp_vflag;      /* INP_IPV4 or INP_IPV6 */

 
        u_char inp_ip_ttl;              /* time to live proto */
        u_char inp_ip_p;                /* protocol proto */
        /* protocol dependent part */
        union {
                /* foreign host table entry */
 
        u_char inp_ip_ttl;              /* time to live proto */
        u_char inp_ip_p;                /* protocol proto */
        /* protocol dependent part */
        union {
                /* foreign host table entry */

-               struct in_addr_4in6 inp46_foreign;
-               struct in6_addr inp6_foreign;
+               struct  in_addr_4in6 inp46_foreign;
+               struct  in6_addr inp6_foreign;

        } inp_dependfaddr;
        union {
                /* local host table entry */
        } inp_dependfaddr;
        union {
                /* local host table entry */

-               struct in_addr_4in6 inp46_local;
-               struct in6_addr inp6_local;
+               struct  in_addr_4in6 inp46_local;
+               struct  in6_addr inp6_local;

        } inp_dependladdr;
        union {
                /* placeholder for routing entry */
        } inp_dependladdr;
        union {
                /* placeholder for routing entry */

-               struct route inp4_route;
-               struct route_in6 inp6_route;
+               struct  route inp4_route;
+               struct  route_in6 inp6_route;

        } inp_dependroute;
        struct {
                /* type of service proto */
        } inp_dependroute;
        struct {
                /* type of service proto */


@@ -142,53 +157,37 @@ struct inpcb {
                /* IP multicast options */
                struct ip_moptions *inp4_moptions;
        } inp_depend4;
                /* IP multicast options */
                struct ip_moptions *inp4_moptions;
        } inp_depend4;

-#define inp_faddr      inp_dependfaddr.inp46_foreign.ia46_addr4
-#define inp_laddr      inp_dependladdr.inp46_local.ia46_addr4
-#define inp_route      inp_dependroute.inp4_route
-#define inp_ip_tos     inp_depend4.inp4_ip_tos
-#define inp_options    inp_depend4.inp4_options
-#define inp_moptions   inp_depend4.inp4_moptions

        struct {
                /* IP options */
                struct mbuf *inp6_options;
        struct {
                /* IP options */
                struct mbuf *inp6_options;

-               /* IP6 options for incoming packets */
-               struct ip6_recvpktopts *inp6_inputopts;
+               u_int8_t        inp6_hlim;
+               u_int8_t        unused_uint8_1;
+               ushort  unused_uint16_1;

                /* IP6 options for outgoing packets */
                /* IP6 options for outgoing packets */

-               struct ip6_pktopts *inp6_outputopts;
+               struct  ip6_pktopts *inp6_outputopts;

                /* IP multicast options */
                /* IP multicast options */

-               struct ip6_moptions *inp6_moptions;
+               struct  ip6_moptions *inp6_moptions;

                /* ICMPv6 code type filter */
                /* ICMPv6 code type filter */

-               struct icmp6_filter *inp6_icmp6filt;
+               struct  icmp6_filter *inp6_icmp6filt;

                /* IPV6_CHECKSUM setsockopt */
                /* IPV6_CHECKSUM setsockopt */

-               int inp6_cksum;
+               int     inp6_cksum;

                u_short inp6_ifindex;
                short   inp6_hops;
        } inp_depend6;
                u_short inp6_ifindex;
                short   inp6_hops;
        } inp_depend6;

-#define in6p_faddr     inp_dependfaddr.inp6_foreign
-#define in6p_laddr     inp_dependladdr.inp6_local
-#define in6p_route     inp_dependroute.inp6_route
-#define in6p_hops      inp_depend6.inp6_hops   /* default hop limit */
-#define in6p_ip6_nxt   inp_ip_p
-#define in6p_flowinfo  inp_flow
-#define in6p_vflag     inp_vflag
-#define in6p_options   inp_depend6.inp6_options
-#define in6p_inputopts inp_depend6.inp6_inputopts
-#define in6p_outputopts        inp_depend6.inp6_outputopts
-#define in6p_moptions  inp_depend6.inp6_moptions
-#define in6p_icmp6filt inp_depend6.inp6_icmp6filt
-#define in6p_cksum     inp_depend6.inp6_cksum
-#define inp6_ifindex   inp_depend6.inp6_ifindex
-#define in6p_flags     inp_flags  /* for KAME src sync over BSD*'s */
-#define in6p_socket    inp_socket  /* for KAME src sync over BSD*'s */
-#define in6p_lport     inp_lport  /* for KAME src sync over BSD*'s */
-#define in6p_fport     inp_fport  /* for KAME src sync over BSD*'s */
-#define in6p_ppcb      inp_ppcb  /* for KAME src sync over BSD*'s */
-#if IPSEC
-       struct inpcbpolicy *inp_sp;
-#endif
+

        int     hash_element;           /* Array index of pcb's hash list    */
        caddr_t inp_saved_ppcb;         /* place to save pointer while cached */
        int     hash_element;           /* Array index of pcb's hash list    */
        caddr_t inp_saved_ppcb;         /* place to save pointer while cached */

+       struct inpcbpolicy *inp_sp;
+#ifdef _KERN_LOCKS_H_
+       lck_mtx_t *inpcb_mtx;   /* inpcb per-socket mutex */
+#else
+       void      *inpcb_mtx;
+#endif
+       u_long  reserved[2];            /* For future use */

 };
 };

+
+#endif /* KERNEL_PRIVATE */
+

 /*
  * The range of the generation count, as used in this implementation,
  * is 9e19.  We would have to create 300 billion connections per
 /*
  * The range of the generation count, as used in this implementation,
  * is 9e19.  We would have to create 300 billion connections per


@@ -200,10 +199,105 @@ struct inpcb {
  * Interface exported to userland by various protocols which use
  * inpcbs.  Hack alert -- only define if struct xsocket is in scope.
  */
  * Interface exported to userland by various protocols which use
  * inpcbs.  Hack alert -- only define if struct xsocket is in scope.
  */

-#ifdef _SYS_SOCKETVAR_H_
+
+/*
+ * This is a copy of the inpcb as it shipped in Panther. This structure
+ * is filled out in a copy function. This allows the inpcb to change
+ * without breaking userland tools.
+ * 
+ * CAUTION: Many fields may not be filled out. Fewer may be filled out
+ * in the future. Code defensively.
+ */
+#ifdef KERNEL_PRIVATE
+struct inpcb_compat {
+#else
+struct inpcbinfo;
+struct inpcbport;
+struct mbuf;
+struct ip6_pktopts;
+struct ip6_moptions;
+struct icmp6_filter;
+struct inpcbpolicy;
+
+struct inpcb {
+#endif /* KERNEL_PRIVATE */
+       LIST_ENTRY(inpcb) inp_hash;     /* hash list */
+       struct  in_addr reserved1;      /* APPLE reserved: inp_faddr defined in protcol indep. part */
+       struct  in_addr reserved2; /* APPLE reserved */
+       u_short inp_fport;              /* foreign port */
+       u_short inp_lport;              /* local port */
+       LIST_ENTRY(inpcb) inp_list;     /* list for all PCBs of this proto */
+       caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
+       struct  inpcbinfo *inp_pcbinfo; /* PCB list info */
+       void*   inp_socket;     /* back pointer to socket */
+       u_char  nat_owner;              /* Used to NAT TCP/UDP traffic */
+       u_long  nat_cookie;             /* Cookie stored and returned to NAT */
+       LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */
+       struct  inpcbport *inp_phd;     /* head of this list */
+       inp_gen_t inp_gencnt;           /* generation count of this instance */
+       int     inp_flags;              /* generic IP/datagram flags */
+       u_int32_t inp_flow;
+
+       u_char  inp_vflag;
+
+       u_char inp_ip_ttl;              /* time to live proto */
+       u_char inp_ip_p;                /* protocol proto */
+       /* protocol dependent part */
+       union {
+               /* foreign host table entry */
+               struct  in_addr_4in6 inp46_foreign;
+               struct  in6_addr inp6_foreign;
+       } inp_dependfaddr;
+       union {
+               /* local host table entry */
+               struct  in_addr_4in6 inp46_local;
+               struct  in6_addr inp6_local;
+       } inp_dependladdr;
+       union {
+               /* placeholder for routing entry */
+               u_char  inp4_route[20];
+               u_char  inp6_route[32];
+       } inp_dependroute;
+       struct {
+               /* type of service proto */
+               u_char inp4_ip_tos;
+               /* IP options */
+               struct mbuf *inp4_options;
+               /* IP multicast options */
+               struct ip_moptions *inp4_moptions;
+       } inp_depend4;
+
+       struct {
+               /* IP options */
+               struct mbuf *inp6_options;
+               u_int8_t        inp6_hlim;
+               u_int8_t        unused_uint8_1;
+               ushort  unused_uint16_1;
+               /* IP6 options for outgoing packets */
+               struct  ip6_pktopts *inp6_outputopts;
+               /* IP multicast options */
+               struct  ip6_moptions *inp6_moptions;
+               /* ICMPv6 code type filter */
+               struct  icmp6_filter *inp6_icmp6filt;
+               /* IPV6_CHECKSUM setsockopt */
+               int     inp6_cksum;
+               u_short inp6_ifindex;
+               short   inp6_hops;
+       } inp_depend6;
+
+       int     hash_element;           /* Array index of pcb's hash list    */
+       caddr_t inp_saved_ppcb;         /* place to save pointer while cached */
+       struct inpcbpolicy *inp_sp;
+       u_long  reserved[3];            /* For future use */
+};
+

 struct xinpcb {
        size_t  xi_len;         /* length of this structure */
 struct xinpcb {
        size_t  xi_len;         /* length of this structure */

+#ifdef KERNEL_PRIVATE
+       struct  inpcb_compat xi_inp;
+#else

        struct  inpcb xi_inp;
        struct  inpcb xi_inp;

+#endif

        struct  xsocket xi_socket;
        u_quad_t        xi_alignment_hack;
 };
        struct  xsocket xi_socket;
        u_quad_t        xi_alignment_hack;
 };


@@ -214,8 +308,41 @@ struct     xinpgen {
        inp_gen_t xig_gen;      /* generation count at this time */
        so_gen_t xig_sogen;     /* socket generation count at this time */
 };
        inp_gen_t xig_gen;      /* generation count at this time */
        so_gen_t xig_sogen;     /* socket generation count at this time */
 };

-#endif /* _SYS_SOCKETVAR_H_ */

 
 

+/*
+ * These defines are for use with the inpcb.
+ */
+#define INP_IPV4       0x1
+#define INP_IPV6       0x2
+#define        inp_faddr       inp_dependfaddr.inp46_foreign.ia46_addr4
+#define        inp_laddr       inp_dependladdr.inp46_local.ia46_addr4
+#define        inp_route       inp_dependroute.inp4_route
+#define        inp_ip_tos      inp_depend4.inp4_ip_tos
+#define        inp_options     inp_depend4.inp4_options
+#define        inp_moptions    inp_depend4.inp4_moptions
+#define        in6p_faddr      inp_dependfaddr.inp6_foreign
+#define        in6p_laddr      inp_dependladdr.inp6_local
+#define        in6p_route      inp_dependroute.inp6_route
+#define        in6p_ip6_hlim   inp_depend6.inp6_hlim
+#define        in6p_hops       inp_depend6.inp6_hops   /* default hop limit */
+#define        in6p_ip6_nxt    inp_ip_p
+#define        in6p_flowinfo   inp_flow
+#define        in6p_vflag      inp_vflag
+#define        in6p_options    inp_depend6.inp6_options
+#define        in6p_outputopts inp_depend6.inp6_outputopts
+#define        in6p_moptions   inp_depend6.inp6_moptions
+#define        in6p_icmp6filt  inp_depend6.inp6_icmp6filt
+#define        in6p_cksum      inp_depend6.inp6_cksum
+#define        inp6_ifindex    inp_depend6.inp6_ifindex
+#define        in6p_flags      inp_flags  /* for KAME src sync over BSD*'s */
+#define        in6p_socket     inp_socket  /* for KAME src sync over BSD*'s */
+#define        in6p_lport      inp_lport  /* for KAME src sync over BSD*'s */
+#define        in6p_fport      inp_fport  /* for KAME src sync over BSD*'s */
+#define        in6p_ppcb       inp_ppcb  /* for KAME src sync over BSD*'s */
+#define        in6p_state      inp_state
+#define        in6p_wantcnt    inp_wantcnt
+
+#ifdef KERNEL_PRIVATE

 struct inpcbport {
        LIST_ENTRY(inpcbport) phd_hash;
        struct inpcbhead phd_pcblist;
 struct inpcbport {
        LIST_ENTRY(inpcbport) phd_hash;
        struct inpcbhead phd_pcblist;


@@ -224,7 +351,9 @@ struct inpcbport {
 
 struct inpcbinfo {             /* XXX documentation, prefixes */
        struct  inpcbhead *hashbase;
 
 struct inpcbinfo {             /* XXX documentation, prefixes */
        struct  inpcbhead *hashbase;

+#ifdef __APPLE__

        u_long  hashsize; /* in elements */
        u_long  hashsize; /* in elements */

+#endif

        u_long  hashmask;
        struct  inpcbporthead *porthashbase;
        u_long  porthashmask;
        u_long  hashmask;
        struct  inpcbporthead *porthashbase;
        u_long  porthashmask;


@@ -235,10 +364,23 @@ struct inpcbinfo {                /* XXX documentation, prefixes */
        void   *ipi_zone; /* zone to allocate pcbs from */
        u_int   ipi_count;      /* number of pcbs in this list */
        u_quad_t ipi_gencnt;    /* current generation count */
        void   *ipi_zone; /* zone to allocate pcbs from */
        u_int   ipi_count;      /* number of pcbs in this list */
        u_quad_t ipi_gencnt;    /* current generation count */

-     u_char   all_owners;
-     struct    socket nat_dummy_socket;
-       struct  inpcb *last_pcb;
-     caddr_t  dummy_cb;
+#ifdef __APPLE__
+       u_char   all_owners;
+       struct  socket nat_dummy_socket; /* fake socket for NAT pcb backpointer */
+       struct  inpcb *nat_dummy_pcb;    /* fake pcb for finding NAT mutex */
+       caddr_t  dummy_cb;
+#ifdef _KERN_LOCKS_H_
+       lck_attr_t              *mtx_attr;              /* mutex attributes */
+       lck_grp_t                       *mtx_grp;                       /* mutex group definition */
+       lck_grp_attr_t  *mtx_grp_attr;  /* mutex group attributes */
+       lck_rw_t                        *mtx;                   /* global mutex for the pcblist*/
+#else
+       void    *mtx_attr;      /* mutex attributes */
+       void    *mtx_grp;       /* mutex group definition */
+       void    *mtx_grp_attr;  /* mutex group attributes */
+       void    *mtx;           /* global mutex for the pcblist*/
+#endif 
+#endif

 };
 
 #define INP_PCBHASH(faddr, lport, fport, mask) \
 };
 
 #define INP_PCBHASH(faddr, lport, fport, mask) \


@@ -246,6 +388,8 @@ struct inpcbinfo {          /* XXX documentation, prefixes */
 #define INP_PCBPORTHASH(lport, mask) \
        (ntohs((lport)) & (mask))
 
 #define INP_PCBPORTHASH(lport, mask) \
        (ntohs((lport)) & (mask))
 

+#endif /* KERNEL_PRIVATE */
+

 /* flags in inp_flags: */
 #define        INP_RECVOPTS            0x01    /* receive incoming IP options */
 #define        INP_RECVRETOPTS         0x02    /* receive IP options for reply */
 /* flags in inp_flags: */
 #define        INP_RECVOPTS            0x01    /* receive incoming IP options */
 #define        INP_RECVRETOPTS         0x02    /* receive IP options for reply */


@@ -256,22 +400,33 @@ struct inpcbinfo {                /* XXX documentation, prefixes */
 #define        INP_ANONPORT            0x40    /* port chosen for user */
 #define        INP_RECVIF              0x80    /* receive incoming interface */
 #define        INP_MTUDISC             0x100   /* user can do MTU discovery */
 #define        INP_ANONPORT            0x40    /* port chosen for user */
 #define        INP_RECVIF              0x80    /* receive incoming interface */
 #define        INP_MTUDISC             0x100   /* user can do MTU discovery */

-#define        INP_STRIPHDR            0x200   /* drop receive of raw IP header */
-#define        INP_FAITH                       0x400   /* accept FAITH'ed connections */
-#define        IN6P_PKTINFO            0x010000 /* receive IP6 dst and I/F */
-#define        IN6P_HOPLIMIT           0x020000 /* receive hoplimit */
-#define        IN6P_HOPOPTS            0x040000 /* receive hop-by-hop options */
-#define        IN6P_DSTOPTS            0x080000 /* receive dst options after rthdr */
-#define        IN6P_RTHDR              0x100000 /* receive routing header */
-#define        IN6P_RTHDRDSTOPTS       0x200000 /* receive dstoptions before rthdr */
-#define        IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */
-#define        IN6P_MINMTU             0x20000000 /* use minimum MTU */
+#ifdef __APPLE__
+#define INP_STRIPHDR           0x200   /* Strip headers in raw_ip, for OT support */
+#endif
+#define  INP_FAITH                     0x400   /* accept FAITH'ed connections */
+#define  INP_INADDR_ANY        0x800   /* local address wasn't specified */
+
+#define INP_RECVTTL            0x1000

 
 

+#define IN6P_IPV6_V6ONLY       0x008000 /* restrict AF_INET6 socket for v6 */
+
+#define        IN6P_PKTINFO            0x010000 /* receive IP6 dst and I/F */
+#define        IN6P_HOPLIMIT           0x020000 /* receive hoplimit */
+#define        IN6P_HOPOPTS            0x040000 /* receive hop-by-hop options */
+#define        IN6P_DSTOPTS            0x080000 /* receive dst options after rthdr */
+#define        IN6P_RTHDR              0x100000 /* receive routing header */
+#define        IN6P_RTHDRDSTOPTS       0x200000 /* receive dstoptions before rthdr */
+#define IN6P_AUTOFLOWLABEL     0x800000 /* attach flowlabel automatically */
+#define        IN6P_BINDV6ONLY         0x10000000 /* do not grab IPv4 traffic */
+
+#ifdef KERNEL_PRIVATE

 #define        INP_CONTROLOPTS         (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
                                        INP_RECVIF|\
                                 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\
 #define        INP_CONTROLOPTS         (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
                                        INP_RECVIF|\
                                 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\

-                                IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS)
-#define INP_UNMAPPABLEOPTS     (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR)
+                                IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\
+                                IN6P_AUTOFLOWLABEL|INP_RECVTTL)
+#define        INP_UNMAPPABLEOPTS      (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\
+                                IN6P_AUTOFLOWLABEL)

 
  /* for KAME src sync over BSD*'s */
 #define        IN6P_HIGHPORT           INP_HIGHPORT
 
  /* for KAME src sync over BSD*'s */
 #define        IN6P_HIGHPORT           INP_HIGHPORT


@@ -280,79 +435,92 @@ struct inpcbinfo {                /* XXX documentation, prefixes */
 #define        IN6P_RECVIF             INP_RECVIF
 #define        IN6P_MTUDISC            INP_MTUDISC
 #define        IN6P_FAITH              INP_FAITH
 #define        IN6P_RECVIF             INP_RECVIF
 #define        IN6P_MTUDISC            INP_MTUDISC
 #define        IN6P_FAITH              INP_FAITH

-#define IN6P_CONTROLOPTS INP_CONTROLOPTS
+#define        IN6P_CONTROLOPTS INP_CONTROLOPTS

        /*
        /*

-        * socket AF version is {newer than,or include} 
+        * socket AF version is {newer than,or include}

         * actual datagram AF version
         */
 
 #define        INPLOOKUP_WILDCARD      1
         * actual datagram AF version
         */
 
 #define        INPLOOKUP_WILDCARD      1

+#ifdef __APPLE__

 #define INPCB_ALL_OWNERS       0xff
 #define INPCB_NO_OWNER         0x0
 #define INPCB_OWNED_BY_X       0x80
 #define INPCB_MAX_IDS          7
 #define INPCB_ALL_OWNERS       0xff
 #define INPCB_NO_OWNER         0x0
 #define INPCB_OWNED_BY_X       0x80
 #define INPCB_MAX_IDS          7

+#endif /* __APPLE__ */

 
 #define        sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
 #define        sotoin6pcb(so)  sotoinpcb(so) /* for KAME src sync over BSD*'s */
 
 
 #define        sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
 #define        sotoin6pcb(so)  sotoinpcb(so) /* for KAME src sync over BSD*'s */
 

-#define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family
+#define        INP_SOCKAF(so) so->so_proto->pr_domain->dom_family

 
 

-#define        INP_CHECK_SOCKAF(so, af) \
-       (INP_SOCKAF(so) == af)
+#define        INP_CHECK_SOCKAF(so, af)        (INP_SOCKAF(so) == af)

 
 #ifdef KERNEL
 
 #ifdef KERNEL

-extern int ipport_lowfirstauto;
-extern int ipport_lowlastauto;
-extern int ipport_firstauto;
-extern int ipport_lastauto;
-extern int ipport_hifirstauto;
-extern int ipport_hilastauto;
-
-void   in_losing __P((struct inpcb *));
-int    in_pcballoc __P((struct socket *, struct inpcbinfo *, struct proc *));
-int    in_pcbbind __P((struct inpcb *, struct sockaddr *, struct proc *));
-int    in_pcbconnect __P((struct inpcb *, struct sockaddr *, struct proc *));
-void   in_pcbdetach __P((struct inpcb *));
-void   in_pcbdisconnect __P((struct inpcb *));
-int    in_pcbinshash __P((struct inpcb *));
-int    in_pcbladdr __P((struct inpcb *, struct sockaddr *,
-           struct sockaddr_in **));
+extern int     ipport_lowfirstauto;
+extern int     ipport_lowlastauto;
+extern int     ipport_firstauto;
+extern int     ipport_lastauto;
+extern int     ipport_hifirstauto;
+extern int     ipport_hilastauto;
+
+#define INPCB_STATE_INUSE      0x1     /* freshly allocated PCB, it's in use */
+#define INPCB_STATE_CACHED     0x2     /* this pcb is sitting in a a cache */
+#define INPCB_STATE_DEAD       0x3     /* should treat as gone, will be garbage collected and freed */
+
+#define WNT_STOPUSING  0xffff  /* marked as ready to be garbaged collected, should be treated as not found */
+#define WNT_ACQUIRE    0x1             /* that pcb is being acquired, do not recycle this time */
+#define WNT_RELEASE    0x2             /* release acquired mode, can be garbage collected when wantcnt is null */
+
+
+void   in_pcbpurgeif0(struct inpcb *, struct ifnet *);
+void   in_losing(struct inpcb *);
+void   in_rtchange(struct inpcb *, int);
+int    in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *);
+int    in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *);
+int    in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *);
+void   in_pcbdetach(struct inpcb *);
+void   in_pcbdispose (struct inpcb *);
+void   in_pcbdisconnect(struct inpcb *);
+int    in_pcbinshash(struct inpcb *, int);
+int    in_pcbladdr(struct inpcb *, struct sockaddr *, struct sockaddr_in **);

 struct inpcb *
 struct inpcb *

-       in_pcblookup_local __P((struct inpcbinfo *,
-           struct in_addr, u_int, int));
+       in_pcblookup_local(struct inpcbinfo *, struct in_addr, u_int, int);

 struct inpcb *
 struct inpcb *

-       in_pcblookup_hash __P((struct inpcbinfo *,
-           struct in_addr, u_int, struct in_addr, u_int, int, struct ifnet *));
-void   in_pcbnotify __P((struct inpcbhead *, struct sockaddr *,
-           u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
-void   in_pcbrehash __P((struct inpcb *));
-int    in_setpeeraddr __P((struct socket *so, struct sockaddr **nam));
-int    in_setsockaddr __P((struct socket *so, struct sockaddr **nam));
+       in_pcblookup_hash(struct inpcbinfo *,
+                              struct in_addr, u_int, struct in_addr, u_int,
+                              int, struct ifnet *);
+void   in_pcbnotifyall(struct inpcbinfo *, struct in_addr,
+           int, void (*)(struct inpcb *, int));
+void   in_pcbrehash(struct inpcb *);
+int    in_setpeeraddr(struct socket *so, struct sockaddr **nam);
+int    in_setsockaddr(struct socket *so, struct sockaddr **nam);
+int    in_pcb_checkstate(struct inpcb *pcb, int mode, int locked);

 
 

-int    
-in_pcb_grab_port  __P((struct inpcbinfo *pcbinfo,
+int
+in_pcb_grab_port (struct inpcbinfo *pcbinfo,

                       u_short          options,
                       struct in_addr   laddr, 
                       u_short          *lport,  
                       struct in_addr   faddr,
                       u_short          fport,
                       u_int            cookie, 
                       u_short          options,
                       struct in_addr   laddr, 
                       u_short          *lport,  
                       struct in_addr   faddr,
                       u_short          fport,
                       u_int            cookie, 

-                      u_char           owner_id));
+                      u_char           owner_id);

 
 int    
 
 int    

-in_pcb_letgo_port __P((struct inpcbinfo *pcbinfo, 
+in_pcb_letgo_port(struct inpcbinfo *pcbinfo, 

                       struct in_addr laddr, 
                       u_short lport,
                       struct in_addr faddr,
                       struct in_addr laddr, 
                       u_short lport,
                       struct in_addr faddr,

-                      u_short fport, u_char owner_id));
+                      u_short fport, u_char owner_id);

 
 u_char
 
 u_char

-in_pcb_get_owner __P((struct inpcbinfo *pcbinfo, 
+in_pcb_get_owner(struct inpcbinfo *pcbinfo, 

                      struct in_addr laddr, 
                      u_short lport, 
                      struct in_addr faddr,
                      u_short fport,
                      struct in_addr laddr, 
                      u_short lport, 
                      struct in_addr faddr,
                      u_short fport,

-                     u_int *cookie));
+                     u_int *cookie);

 
 void in_pcb_nat_init(struct inpcbinfo *pcbinfo, int afamily, int pfamily,
                     int protocol);
 
 void in_pcb_nat_init(struct inpcbinfo *pcbinfo, int afamily, int pfamily,
                     int protocol);


@@ -363,11 +531,11 @@ in_pcb_new_share_client(struct inpcbinfo *pcbinfo, u_char *owner_id);
 int
 in_pcb_rem_share_client(struct inpcbinfo *pcbinfo, u_char owner_id);
 
 int
 in_pcb_rem_share_client(struct inpcbinfo *pcbinfo, u_char owner_id);
 

-void   in_pcbremlists __P((struct inpcb *inp));
-#if INET6
-int    in6_selecthlim __P((struct inpcb *, struct ifnet *));
-#endif
+void   in_pcbremlists(struct inpcb *inp);
+int    in_pcb_ckeckstate(struct inpcb *, int, int);
+void   inpcb_to_compat(struct inpcb *inp, struct inpcb_compat *inp_compat);

 
 #endif /* KERNEL */
 
 #endif /* KERNEL */

+#endif /* KERNEL_PRIVATE */

 
 #endif /* !_NETINET_IN_PCB_H_ */
 
 #endif /* !_NETINET_IN_PCB_H_ */