bsd/netinet/in_pcb.h

   1 /*
   2  * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1982, 1986, 1990, 1993
  30  *      The Regents of the University of California.  All rights reserved.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)in_pcb.h    8.1 (Berkeley) 6/10/93
  61  * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.4 2001/08/13 16:26:17 ume Exp $
  62  */
  63 /*
  64  * NOTICE: This file was modified by SPARTA, Inc. in 2007 to introduce
  65  * support for mandatory and extensible security protections.  This notice
  66  * is included in support of clause 2.2 (b) of the Apple Public License,
  67  * Version 2.0.
  68  */
  69
  70 #ifndef _NETINET_IN_PCB_H_
  71 #define _NETINET_IN_PCB_H_
  72 #include <sys/appleapiopts.h>
  73
  74 #include <sys/types.h>
  75 #include <sys/queue.h>
  76 #ifdef KERNEL_PRIVATE
  77 #ifdef KERNEL
  78 #include <kern/locks.h>
  79 #endif
  80 #endif /* KERNEL_PRIVATE */
  81
  82 #include <netinet6/ipsec.h> /* for IPSEC */
  83
  84 #ifdef KERNEL_PRIVATE
  85
  86 #define in6pcb          inpcb   /* for KAME src sync over BSD*'s */
  87 #define in6p_sp         inp_sp  /* for KAME src sync over BSD*'s */
  88
  89 /*
  90  * Common structure pcb for internet protocol implementation.
  91  * Here are stored pointers to local and foreign host table
  92  * entries, local and foreign socket numbers, and pointers
  93  * up (to a socket structure) and down (to a protocol-specific)
  94  * control block.
  95  */
  96 LIST_HEAD(inpcbhead, inpcb);
  97 LIST_HEAD(inpcbporthead, inpcbport);
  98 #endif /* KERNEL_PRIVATE */
  99 typedef u_quad_t        inp_gen_t;
 100
 101 /*
 102  * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet.
 103  * So, AF_INET6 null laddr is also used as AF_INET null laddr,
 104  * by utilize following structure. (At last, same as INRIA)
 105  */
 106 struct in_addr_4in6 {
 107         u_int32_t       ia46_pad32[3];
 108         struct  in_addr ia46_addr4;
 109 };
 110
 111 #ifdef KERNEL_PRIVATE
 112 /*
 113  * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS
 114  * of the structure.  Therefore, it is important that the members in
 115  * that position not contain any information which is required to be
 116  * stable.
 117  */
 118 struct  icmp6_filter;
 119 #if CONFIG_MACF_NET
 120 struct  label;
 121 #endif
 122
 123 struct inpcb {
 124         LIST_ENTRY(inpcb) inp_hash;     /* hash list */
 125         int             inp_wantcnt;            /* pcb wanted count. protected by pcb list lock */
 126         int             inp_state;              /* state of this pcb, in use, recycled, ready for recycling... */
 127         u_short inp_fport;              /* foreign port */
 128         u_short inp_lport;              /* local port */
 129         LIST_ENTRY(inpcb) inp_list;     /* list for all PCBs of this proto */
 130         caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
 131         struct  inpcbinfo *inp_pcbinfo; /* PCB list info */
 132         struct  socket *inp_socket;     /* back pointer to socket */
 133         u_char  nat_owner;              /* Used to NAT TCP/UDP traffic */
 134         u_int32_t nat_cookie;           /* Cookie stored and returned to NAT */
 135         LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */
 136         struct  inpcbport *inp_phd;     /* head of this list */
 137         inp_gen_t inp_gencnt;           /* generation count of this instance */
 138         int     inp_flags;              /* generic IP/datagram flags */
 139         u_int32_t inp_flow;
 140
 141         u_char  inp_vflag;      /* INP_IPV4 or INP_IPV6 */
 142
 143         u_char inp_ip_ttl;              /* time to live proto */
 144         u_char inp_ip_p;                /* protocol proto */
 145         /* protocol dependent part */
 146         union {
 147                 /* foreign host table entry */
 148                 struct  in_addr_4in6 inp46_foreign;
 149                 struct  in6_addr inp6_foreign;
 150         } inp_dependfaddr;
 151         union {
 152                 /* local host table entry */
 153                 struct  in_addr_4in6 inp46_local;
 154                 struct  in6_addr inp6_local;
 155         } inp_dependladdr;
 156         union {
 157                 /* placeholder for routing entry */
 158                 struct  route inp4_route;
 159                 struct  route_in6 inp6_route;
 160         } inp_dependroute;
 161         struct {
 162                 /* type of service proto */
 163                 u_char inp4_ip_tos;
 164                 /* IP options */
 165                 struct mbuf *inp4_options;
 166                 /* IP multicast options */
 167                 struct ip_moptions *inp4_moptions;
 168         } inp_depend4;
 169         struct {
 170                 /* IP options */
 171                 struct mbuf *inp6_options;
 172                 u_int8_t        inp6_hlim;
 173                 u_int8_t        unused_uint8_1;
 174                 ushort  unused_uint16_1;
 175                 /* IP6 options for outgoing packets */
 176                 struct  ip6_pktopts *inp6_outputopts;
 177                 /* IP multicast options */
 178                 struct  ip6_moptions *inp6_moptions;
 179                 /* ICMPv6 code type filter */
 180                 struct  icmp6_filter *inp6_icmp6filt;
 181                 /* IPV6_CHECKSUM setsockopt */
 182                 int     inp6_cksum;
 183                 u_short inp6_ifindex;
 184                 short   inp6_hops;
 185         } inp_depend6;
 186
 187         int     hash_element;           /* Array index of pcb's hash list    */
 188         caddr_t inp_saved_ppcb;         /* place to save pointer while cached */
 189         struct inpcbpolicy *inp_sp;
 190 #ifdef _KERN_LOCKS_H_
 191         lck_mtx_t *inpcb_mtx;   /* inpcb per-socket mutex */
 192 #else
 193         void      *inpcb_mtx;
 194 #endif
 195         unsigned int inp_boundif;       /* interface scope for INP_BOUND_IF */
 196         u_int32_t inp_reserved[3];      /* reserved for future use */
 197 #if CONFIG_MACF_NET
 198         struct label *inp_label;        /* MAC label */
 199 #endif
 200 };
 201
 202 #endif /* KERNEL_PRIVATE */
 203
 204 /*
 205  * The range of the generation count, as used in this implementation,
 206  * is 9e19.  We would have to create 300 billion connections per
 207  * second for this number to roll over in a year.  This seems sufficiently
 208  * unlikely that we simply don't concern ourselves with that possibility.
 209  */
 210
 211 /*
 212  * Interface exported to userland by various protocols which use
 213  * inpcbs.  Hack alert -- only define if struct xsocket is in scope.
 214  */
 215
 216 /*
 217  * This is a copy of the inpcb as it shipped in Panther. This structure
 218  * is filled out in a copy function. This allows the inpcb to change
 219  * without breaking userland tools.
 220  *
 221  * CAUTION: Many fields may not be filled out. Fewer may be filled out
 222  * in the future. Code defensively.
 223  */
 224
 225 #pragma pack(4)
 226
 227 #if defined(__LP64__)
 228 struct _inpcb_list_entry {
 229     u_int32_t   le_next;
 230     u_int32_t   le_prev;
 231 };
 232 #define _INPCB_PTR(x)           u_int32_t
 233 #define _INPCB_LIST_ENTRY(x)    struct _inpcb_list_entry
 234 #else
 235 #define _INPCB_PTR(x)           x
 236 #define _INPCB_LIST_ENTRY(x)    LIST_ENTRY(x)
 237 #endif
 238
 239 #ifdef KERNEL_PRIVATE
 240 struct inpcb_compat {
 241 #else
 242 struct inpcbinfo;
 243 struct inpcbport;
 244 struct mbuf;
 245 struct ip6_pktopts;
 246 struct ip6_moptions;
 247 struct icmp6_filter;
 248 struct inpcbpolicy;
 249
 250 struct inpcb {
 251 #endif /* KERNEL_PRIVATE */
 252         _INPCB_LIST_ENTRY(inpcb) inp_hash;      /* hash list */
 253         struct  in_addr reserved1;      /* APPLE reserved: inp_faddr defined in protcol indep. part */
 254         struct  in_addr reserved2; /* APPLE reserved */
 255         u_short inp_fport;              /* foreign port */
 256         u_short inp_lport;              /* local port */
 257         _INPCB_LIST_ENTRY(inpcb) inp_list;      /* list for all PCBs of this proto */
 258         _INPCB_PTR(caddr_t)     inp_ppcb;       /* pointer to per-protocol pcb */
 259         _INPCB_PTR(struct inpcbinfo *)  inp_pcbinfo;    /* PCB list info */
 260         _INPCB_PTR(void *)      inp_socket;     /* back pointer to socket */
 261         u_char  nat_owner;              /* Used to NAT TCP/UDP traffic */
 262         u_int32_t nat_cookie;           /* Cookie stored and returned to NAT */
 263         _INPCB_LIST_ENTRY(inpcb) inp_portlist;  /* list for this PCB's local port */
 264         _INPCB_PTR(struct inpcbport *)  inp_phd;                /* head of this list */
 265         inp_gen_t inp_gencnt;           /* generation count of this instance */
 266         int     inp_flags;              /* generic IP/datagram flags */
 267         u_int32_t inp_flow;
 268
 269         u_char  inp_vflag;
 270
 271         u_char inp_ip_ttl;              /* time to live proto */
 272         u_char inp_ip_p;                /* protocol proto */
 273         /* protocol dependent part */
 274         union {
 275                 /* foreign host table entry */
 276                 struct  in_addr_4in6 inp46_foreign;
 277                 struct  in6_addr inp6_foreign;
 278         } inp_dependfaddr;
 279         union {
 280                 /* local host table entry */
 281                 struct  in_addr_4in6 inp46_local;
 282                 struct  in6_addr inp6_local;
 283         } inp_dependladdr;
 284         union {
 285                 /* placeholder for routing entry */
 286                 u_char  inp4_route[20];
 287                 u_char  inp6_route[32];
 288         } inp_dependroute;
 289         struct {
 290                 /* type of service proto */
 291                 u_char inp4_ip_tos;
 292                 /* IP options */
 293                 _INPCB_PTR(struct mbuf *) inp4_options;
 294                 /* IP multicast options */
 295                 _INPCB_PTR(struct ip_moptions *) inp4_moptions;
 296         } inp_depend4;
 297
 298         struct {
 299                 /* IP options */
 300                 _INPCB_PTR(struct mbuf *)       inp6_options;
 301                 u_int8_t        inp6_hlim;
 302                 u_int8_t        unused_uint8_1;
 303                 ushort  unused_uint16_1;
 304                 /* IP6 options for outgoing packets */
 305                 _INPCB_PTR(struct ip6_pktopts *)        inp6_outputopts;
 306                 /* IP multicast options */
 307                 _INPCB_PTR(struct ip6_moptions *)       inp6_moptions;
 308                 /* ICMPv6 code type filter */
 309                 _INPCB_PTR(struct icmp6_filter *)       inp6_icmp6filt;
 310                 /* IPV6_CHECKSUM setsockopt */
 311                 int     inp6_cksum;
 312                 u_short inp6_ifindex;
 313                 short   inp6_hops;
 314         } inp_depend6;
 315
 316         int     hash_element;           /* Array index of pcb's hash list    */
 317         _INPCB_PTR(caddr_t)     inp_saved_ppcb; /* place to save pointer while cached */
 318         _INPCB_PTR(struct inpcbpolicy *)        inp_sp;
 319         u_int32_t       reserved[3];    /* For future use */
 320 };
 321
 322 struct  xinpcb {
 323         u_int32_t       xi_len;         /* length of this structure */
 324 #ifdef KERNEL_PRIVATE
 325         struct  inpcb_compat xi_inp;
 326 #else
 327         struct  inpcb xi_inp;
 328 #endif
 329         struct  xsocket xi_socket;
 330         u_quad_t        xi_alignment_hack;
 331 };
 332
 333 #if !CONFIG_EMBEDDED
 334
 335 struct inpcb64_list_entry {
 336     u_int64_t   le_next;
 337     u_int64_t   le_prev;
 338 };
 339
 340 struct  xinpcb64 {
 341         u_int64_t               xi_len;         /* length of this structure */
 342         u_int64_t               xi_inpp;
 343         u_short                 inp_fport;      /* foreign port */
 344         u_short                 inp_lport;      /* local port */
 345         struct inpcb64_list_entry
 346                                 inp_list;       /* list for all PCBs of this proto */
 347         u_int64_t               inp_ppcb;       /* pointer to per-protocol pcb */
 348         u_int64_t               inp_pcbinfo;    /* PCB list info */
 349         struct inpcb64_list_entry
 350                                 inp_portlist;   /* list for this PCB's local port */
 351         u_int64_t               inp_phd;        /* head of this list */
 352         inp_gen_t               inp_gencnt;     /* generation count of this instance */
 353         int                     inp_flags;      /* generic IP/datagram flags */
 354         u_int32_t               inp_flow;
 355         u_char                  inp_vflag;
 356         u_char                  inp_ip_ttl;     /* time to live */
 357         u_char                  inp_ip_p;       /* protocol */
 358         union {                                 /* foreign host table entry */
 359                 struct  in_addr_4in6    inp46_foreign;
 360                 struct  in6_addr        inp6_foreign;
 361         }                       inp_dependfaddr;
 362         union {                                 /* local host table entry */
 363                 struct  in_addr_4in6    inp46_local;
 364                 struct  in6_addr        inp6_local;
 365         }                       inp_dependladdr;
 366         struct {
 367                 u_char          inp4_ip_tos;    /* type of service */
 368         }                       inp_depend4;
 369         struct {
 370                 u_int8_t        inp6_hlim;
 371                 int             inp6_cksum;
 372                 u_short         inp6_ifindex;
 373                 short           inp6_hops;
 374         }                       inp_depend6;
 375         struct  xsocket64       xi_socket;
 376         u_quad_t                xi_alignment_hack;
 377 };
 378
 379 #endif /* !CONFIG_EMBEDDED */
 380
 381 struct  xinpgen {
 382         u_int32_t xig_len;      /* length of this structure */
 383         u_int   xig_count;      /* number of PCBs at this time */
 384         inp_gen_t xig_gen;      /* generation count at this time */
 385         so_gen_t xig_sogen;     /* socket generation count at this time */
 386 };
 387
 388 #pragma pack()
 389
 390 /*
 391  * These defines are for use with the inpcb.
 392  */
 393 #define INP_IPV4        0x1
 394 #define INP_IPV6        0x2
 395 #define inp_faddr       inp_dependfaddr.inp46_foreign.ia46_addr4
 396 #define inp_laddr       inp_dependladdr.inp46_local.ia46_addr4
 397 #define inp_route       inp_dependroute.inp4_route
 398 #define inp_ip_tos      inp_depend4.inp4_ip_tos
 399 #define inp_options     inp_depend4.inp4_options
 400 #define inp_moptions    inp_depend4.inp4_moptions
 401 #define in6p_faddr      inp_dependfaddr.inp6_foreign
 402 #define in6p_laddr      inp_dependladdr.inp6_local
 403 #define in6p_route      inp_dependroute.inp6_route
 404 #define in6p_ip6_hlim   inp_depend6.inp6_hlim
 405 #define in6p_hops       inp_depend6.inp6_hops   /* default hop limit */
 406 #define in6p_ip6_nxt    inp_ip_p
 407 #define in6p_flowinfo   inp_flow
 408 #define in6p_vflag      inp_vflag
 409 #define in6p_options    inp_depend6.inp6_options
 410 #define in6p_outputopts inp_depend6.inp6_outputopts
 411 #define in6p_moptions   inp_depend6.inp6_moptions
 412 #define in6p_icmp6filt  inp_depend6.inp6_icmp6filt
 413 #define in6p_cksum      inp_depend6.inp6_cksum
 414 #define in6p_ifindex    inp_depend6.inp6_ifindex
 415 #define in6p_flags      inp_flags  /* for KAME src sync over BSD*'s */
 416 #define in6p_socket     inp_socket  /* for KAME src sync over BSD*'s */
 417 #define in6p_lport      inp_lport  /* for KAME src sync over BSD*'s */
 418 #define in6p_fport      inp_fport  /* for KAME src sync over BSD*'s */
 419 #define in6p_ppcb       inp_ppcb  /* for KAME src sync over BSD*'s */
 420 #define in6p_state      inp_state
 421 #define in6p_wantcnt    inp_wantcnt
 422
 423 #ifdef KERNEL_PRIVATE
 424 struct inpcbport {
 425         LIST_ENTRY(inpcbport) phd_hash;
 426         struct inpcbhead phd_pcblist;
 427         u_short phd_port;
 428 };
 429
 430 struct inpcbinfo {              /* XXX documentation, prefixes */
 431         struct  inpcbhead *hashbase;
 432 #ifdef __APPLE__
 433         u_int32_t       hashsize; /* in elements */
 434 #endif
 435         u_long  hashmask;       /* needs to be u_long as expected by hash functions */
 436         struct  inpcbporthead *porthashbase;
 437         u_long  porthashmask;   /* needs to be u_long as expected by hash functions */
 438         struct  inpcbhead *listhead;
 439         u_short lastport;
 440         u_short lastlow;
 441         u_short lasthi;
 442         void   *ipi_zone; /* zone to allocate pcbs from */
 443         u_int   ipi_count;      /* number of pcbs in this list */
 444         u_quad_t ipi_gencnt;    /* current generation count */
 445 #ifdef __APPLE__
 446 #ifdef _KERN_LOCKS_H_
 447         lck_attr_t      *mtx_attr;      /* mutex attributes */
 448         lck_grp_t       *mtx_grp;       /* mutex group definition */
 449         lck_grp_attr_t  *mtx_grp_attr;  /* mutex group attributes */
 450         lck_rw_t        *mtx;           /* global mutex for the pcblist*/
 451 #else
 452         void    *mtx_attr;      /* mutex attributes */
 453         void    *mtx_grp;       /* mutex group definition */
 454         void    *mtx_grp_attr;  /* mutex group attributes */
 455         void    *mtx;           /* global mutex for the pcblist*/
 456 #endif
 457 #endif
 458 };
 459
 460 #define INP_PCBHASH(faddr, lport, fport, mask) \
 461         (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask))
 462 #define INP_PCBPORTHASH(lport, mask) \
 463         (ntohs((lport)) & (mask))
 464
 465 #endif /* KERNEL_PRIVATE */
 466
 467 /* flags in inp_flags: */
 468 #define INP_RECVOPTS            0x01    /* receive incoming IP options */
 469 #define INP_RECVRETOPTS         0x02    /* receive IP options for reply */
 470 #define INP_RECVDSTADDR         0x04    /* receive IP dst address */
 471 #define INP_HDRINCL             0x08    /* user supplies entire IP header */
 472 #define INP_HIGHPORT            0x10    /* user wants "high" port binding */
 473 #define INP_LOWPORT             0x20    /* user wants "low" port binding */
 474 #define INP_ANONPORT            0x40    /* port chosen for user */
 475 #define INP_RECVIF              0x80    /* receive incoming interface */
 476 #define INP_MTUDISC             0x100   /* user can do MTU discovery */
 477 #ifdef __APPLE__
 478 #define INP_STRIPHDR            0x200   /* Strip headers in raw_ip, for OT support */
 479 #endif
 480 #define  INP_FAITH                      0x400   /* accept FAITH'ed connections */
 481 #define  INP_INADDR_ANY         0x800   /* local address wasn't specified */
 482
 483 #define INP_RECVTTL             0x1000
 484 #define INP_UDP_NOCKSUM         0x2000  /* Turn off outbound UDP checksum */
 485 #define INP_BOUND_IF            0x4000  /* bind socket to an ifindex */
 486
 487 #define IN6P_IPV6_V6ONLY        0x008000 /* restrict AF_INET6 socket for v6 */
 488
 489 #define IN6P_PKTINFO            0x010000 /* receive IP6 dst and I/F */
 490 #define IN6P_HOPLIMIT           0x020000 /* receive hoplimit */
 491 #define IN6P_HOPOPTS            0x040000 /* receive hop-by-hop options */
 492 #define IN6P_DSTOPTS            0x080000 /* receive dst options after rthdr */
 493 #define IN6P_RTHDR                      0x100000 /* receive routing header */
 494 #define IN6P_RTHDRDSTOPTS       0x200000 /* receive dstoptions before rthdr */
 495 #define IN6P_TCLASS                     0x400000 /* receive traffic class value */
 496 #define IN6P_AUTOFLOWLABEL      0x800000 /* attach flowlabel automatically */
 497 #define IN6P_BINDV6ONLY         0x10000000 /* do not grab IPv4 traffic */
 498
 499 #ifdef KERNEL_PRIVATE
 500 #define INP_CONTROLOPTS         (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
 501                                  INP_RECVIF|INP_RECVTTL|\
 502                                  IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\
 503                                  IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\
 504                                  IN6P_TCLASS|IN6P_AUTOFLOWLABEL)
 505 #define INP_UNMAPPABLEOPTS      (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\
 506                                  IN6P_TCLASS|IN6P_AUTOFLOWLABEL)
 507
 508  /* for KAME src sync over BSD*'s */
 509 #define IN6P_HIGHPORT           INP_HIGHPORT
 510 #define IN6P_LOWPORT            INP_LOWPORT
 511 #define IN6P_ANONPORT           INP_ANONPORT
 512 #define IN6P_RECVIF             INP_RECVIF
 513 #define IN6P_MTUDISC            INP_MTUDISC
 514 #define IN6P_FAITH              INP_FAITH
 515 #define IN6P_CONTROLOPTS INP_CONTROLOPTS
 516         /*
 517          * socket AF version is {newer than,or include}
 518          * actual datagram AF version
 519          */
 520
 521 #define INPLOOKUP_WILDCARD      1
 522 #ifdef __APPLE__
 523 #define INPCB_ALL_OWNERS        0xff
 524 #define INPCB_NO_OWNER          0x0
 525 #define INPCB_OWNED_BY_X        0x80
 526 #define INPCB_MAX_IDS           7
 527 #endif /* __APPLE__ */
 528
 529 #define sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
 530 #define sotoin6pcb(so)  sotoinpcb(so) /* for KAME src sync over BSD*'s */
 531
 532 #define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family
 533
 534 #define INP_CHECK_SOCKAF(so, af)        (INP_SOCKAF(so) == af)
 535
 536 #ifdef KERNEL
 537 extern int      ipport_lowfirstauto;
 538 extern int      ipport_lowlastauto;
 539 extern int      ipport_firstauto;
 540 extern int      ipport_lastauto;
 541 extern int      ipport_hifirstauto;
 542 extern int      ipport_hilastauto;
 543
 544 #define INPCB_STATE_INUSE       0x1     /* freshly allocated PCB, it's in use */
 545 #define INPCB_STATE_CACHED      0x2     /* this pcb is sitting in a a cache */
 546 #define INPCB_STATE_DEAD        0x3     /* should treat as gone, will be garbage collected and freed */
 547
 548 #define WNT_STOPUSING   0xffff  /* marked as ready to be garbaged collected, should be treated as not found */
 549 #define WNT_ACQUIRE     0x1             /* that pcb is being acquired, do not recycle this time */
 550 #define WNT_RELEASE     0x2             /* release acquired mode, can be garbage collected when wantcnt is null */
 551
 552 extern void     in_losing(struct inpcb *);
 553 extern void     in_rtchange(struct inpcb *, int);
 554 extern int      in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *);
 555 extern int      in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *);
 556 extern int      in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *);
 557 extern void     in_pcbdetach(struct inpcb *);
 558 extern void     in_pcbdispose (struct inpcb *);
 559 extern void     in_pcbdisconnect(struct inpcb *);
 560 extern int      in_pcbinshash(struct inpcb *, int);
 561 extern int      in_pcbladdr(struct inpcb *, struct sockaddr *,
 562                     struct sockaddr_in **);
 563 extern struct inpcb *in_pcblookup_local(struct inpcbinfo *, struct in_addr,
 564                     u_int, int);
 565 extern struct inpcb *in_pcblookup_local_and_cleanup(struct inpcbinfo *,
 566                     struct in_addr, u_int, int);
 567 extern struct inpcb *in_pcblookup_hash(struct inpcbinfo *, struct in_addr,
 568                     u_int, struct in_addr, u_int, int, struct ifnet *);
 569 extern void     in_pcbnotifyall(struct inpcbinfo *, struct in_addr, int,
 570                     void (*)(struct inpcb *, int));
 571 extern void     in_pcbrehash(struct inpcb *);
 572 extern int      in_setpeeraddr(struct socket *so, struct sockaddr **nam);
 573 extern int      in_setsockaddr(struct socket *so, struct sockaddr **nam);
 574 extern int      in_pcb_checkstate(struct inpcb *pcb, int mode, int locked);
 575
 576 extern void     in_pcbremlists(struct inpcb *inp);
 577 extern void     inpcb_to_compat(struct inpcb *inp,
 578                     struct inpcb_compat *inp_compat);
 579 #if !CONFIG_EMBEDDED
 580 extern void     inpcb_to_xinpcb64(struct inpcb *inp,
 581                         struct xinpcb64 *xinp);
 582 #endif
 583 extern void     inp_route_copyout(struct inpcb *, struct route *);
 584 extern void     inp_route_copyin(struct inpcb *, struct route *);
 585
 586 #endif /* KERNEL */
 587 #endif /* KERNEL_PRIVATE */
 588
 589 #endif /* !_NETINET_IN_PCB_H_ */