ip_compat.h revision 302408
1/* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * @(#)ip_compat.h 1.8 1/14/96 7 * $FreeBSD: stable/11/sys/contrib/ipfilter/netinet/ip_compat.h 295126 2016-02-01 17:41:21Z glebius $ 8 * Id: ip_compat.h,v 2.142.2.57 2007/10/10 09:51:42 darrenr Exp $ 9 */ 10 11#ifndef __IP_COMPAT_H__ 12#define __IP_COMPAT_H__ 13 14#ifndef __P 15# ifdef __STDC__ 16# define __P(x) x 17# else 18# define __P(x) () 19# endif 20#endif 21#ifndef __STDC__ 22# undef const 23# define const 24#endif 25 26#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 27# undef KERNEL 28# undef _KERNEL 29# undef __KERNEL__ 30# define KERNEL 31# define _KERNEL 32# define __KERNEL__ 33#endif 34 35#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4))) 36 37 38#if defined(__SVR4) || defined(__svr4__) || defined(__sgi) 39# define index strchr 40# if !defined(_KERNEL) 41# define bzero(a,b) memset(a,0,b) 42# define bcmp memcmp 43# define bcopy(a,b,c) memmove(b,a,c) 44# endif 45#endif 46 47#ifndef LIFNAMSIZ 48# ifdef IF_NAMESIZE 49# define LIFNAMSIZ IF_NAMESIZE 50# else 51# ifdef IFNAMSIZ 52# define LIFNAMSIZ IFNAMSIZ 53# else 54# define LIFNAMSIZ 16 55# endif 56# endif 57#endif 58 59#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux) 60struct ether_addr { 61 u_char ether_addr_octet[6]; 62}; 63#endif 64 65# ifdef __STDC__ 66# define IPL_EXTERN(ep) ipl##ep 67# else 68# define IPL_EXTERN(ep) ipl/**/ep 69# endif 70 71/* 72 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 73 */ 74# ifndef _KERNEL 75# define ADD_KERNEL 76# define _KERNEL 77# define KERNEL 78# endif 79# include <sys/uio.h> 80# ifdef ADD_KERNEL 81# undef _KERNEL 82# undef KERNEL 83# endif 84 85#define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 86 (__NetBSD_Version__ >= (x))) 87#define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 88 (__NetBSD_Version__ > (x))) 89#define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 90 (__NetBSD_Version__ < (x))) 91#define FREEBSD_GE_REV(x) (defined(__FreeBSD_version) && \ 92 (__FreeBSD_version >= (x))) 93#define FREEBSD_GT_REV(x) (defined(__FreeBSD_version) && \ 94 (__FreeBSD_version > (x))) 95#define FREEBSD_LT_REV(x) (defined(__FreeBSD_version) && \ 96 (__FreeBSD_version < (x))) 97#define BSDOS_GE_REV(x) (defined(_BSDI_VERSION) && \ 98 (_BSDI_VERSION >= (x))) 99#define BSDOS_GT_REV(x) (defined(_BSDI_VERSION) && \ 100 (_BSDI_VERSION > (x))) 101#define BSDOS_LT_REV(x) (defined(_BSDI_VERSION) && \ 102 (_BSDI_VERSION < (x))) 103#define OPENBSD_GE_REV(x) (defined(OpenBSD) && (OpenBSD >= (x))) 104#define OPENBSD_GT_REV(x) (defined(OpenBSD) && (OpenBSD > (x))) 105#define OPENBSD_LT_REV(x) (defined(OpenBSD) && (OpenBSD < (x))) 106#define BSD_GE_YEAR(x) (defined(BSD) && (BSD >= (x))) 107#define BSD_GT_YEAR(x) (defined(BSD) && (BSD > (x))) 108#define BSD_LT_YEAR(x) (defined(BSD) && (BSD < (x))) 109 110 111/* ----------------------------------------------------------------------- */ 112/* F R E E B S D */ 113/* ----------------------------------------------------------------------- */ 114# define HAS_SYS_MD5_H 1 115# if defined(_KERNEL) 116# include "opt_bpf.h" 117# include "opt_inet6.h" 118# if defined(INET6) && !defined(USE_INET6) 119# define USE_INET6 120# endif 121# else 122# if !defined(USE_INET6) && !defined(NOINET6) 123# define USE_INET6 124# endif 125# endif 126 127# if defined(_KERNEL) 128# include <netinet/ip_var.h> 129# define p_cred td_ucred 130# define p_uid td_ucred->cr_ruid 131 132/* 133 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 134 * There may be other, safe, kernels but this is not extensively tested yet. 135 */ 136# define HAVE_M_PULLDOWN 137# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000) 138# include "opt_ipfilter.h" 139# endif 140# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 141# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 142 143# define NETBSD_PF 144# else 145# include <inttypes.h> 146# endif /* _KERNEL */ 147 148# include <sys/selinfo.h> 149# include <sys/lock.h> 150# include <sys/malloc.h> 151# include <sys/mutex.h> 152# define KRWLOCK_FILL_SZ 56 153# define KMUTEX_FILL_SZ 56 154# include <sys/rwlock.h> 155# define KMUTEX_T struct mtx 156# define KRWLOCK_T struct rwlock 157 158#ifdef _KERNEL 159# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 160# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 161# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 162# define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 163# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 164# define RWLOCK_EXIT(x) do { \ 165 if (rw_wowned(&(x)->ipf_lk)) \ 166 rw_wunlock(&(x)->ipf_lk); \ 167 else \ 168 rw_runlock(&(x)->ipf_lk); \ 169 } while (0) 170# include <net/if_var.h> 171# define GETKTIME(x) microtime((struct timeval *)x) 172 173# include <netinet/in_systm.h> 174# include <netinet/ip.h> 175# include <machine/in_cksum.h> 176 177# define USE_MUTEXES 178# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 179# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 180# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 181 MTX_DEF) 182# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 183# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 184/* 185 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 186 * for what we want to use them for, despite testing showing they work - 187 * with a WITNESS kernel, it generates LOR messages. 188 */ 189# include <machine/atomic.h> 190# define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 191 mtx_unlock(&softc->ipf_rw.ipf_lk); } 192# define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 193 mtx_unlock(&softc->ipf_rw.ipf_lk); } 194# define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 195# define ATOMIC_INC64(x) ATOMIC_INC(x) 196# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 197# define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 198# define ATOMIC_DEC64(x) ATOMIC_DEC(x) 199# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 200# define SPL_X(x) ; 201# define SPL_NET(x) ; 202# define SPL_IMP(x) ; 203# define SPL_SCHED(x) ; 204# define GET_MINOR dev2unit 205# define MSGDSIZE(m) mbufchainlen(m) 206# define M_LEN(m) (m)->m_len 207# define M_ADJ(m,x) m_adj(m, x) 208# define M_COPY(x) m_copy((x), 0, M_COPYALL) 209# define M_DUP(m) m_dup(m, M_NOWAIT) 210# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 211typedef struct mbuf mb_t; 212 213#else /* !_KERNEL */ 214#ifndef _NET_IF_VAR_H_ 215/* 216 * Userland emulation of struct ifnet. 217 */ 218struct route; 219struct mbuf; 220struct ifnet { 221 char if_xname[IFNAMSIZ]; 222 TAILQ_HEAD(, ifaddr) if_addrlist; 223 int (*if_output)(struct ifnet *, struct mbuf *, 224 const struct sockaddr *, struct route *); 225}; 226#endif /* _NET_IF_VAR_H_ */ 227#endif /* _KERNEL */ 228 229# define IFNAME(x) ((struct ifnet *)x)->if_xname 230# define COPYIFNAME(v, x, b) \ 231 (void) strncpy(b, \ 232 ((struct ifnet *)x)->if_xname, \ 233 LIFNAMSIZ) 234 235typedef u_long ioctlcmd_t; 236typedef struct uio uio_t; 237typedef int minor_t; 238typedef u_int32_t u_32_t; 239# define U_32_T 1 240 241 242/* ----------------------------------------------------------------------- */ 243/* G E N E R I C */ 244/* ----------------------------------------------------------------------- */ 245 246/* 247 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 248 * filter rules. 249 */ 250#if !defined(IPFILTER_BPF) 251# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 252 (defined(NBPFILTER) && (NBPFILTER > 0)) 253# define IPFILTER_BPF 254# endif 255#endif 256 257/* 258 * Userland locking primitives 259 */ 260#ifndef _KERNEL 261#if !defined(KMUTEX_FILL_SZ) 262# define KMUTEX_FILL_SZ 1 263#endif 264#if !defined(KRWLOCK_FILL_SZ) 265# define KRWLOCK_FILL_SZ 1 266#endif 267#endif 268 269typedef struct { 270 char *eMm_owner; 271 char *eMm_heldin; 272 u_int eMm_magic; 273 int eMm_held; 274 int eMm_heldat; 275} eMmutex_t; 276 277typedef struct { 278 char *eMrw_owner; 279 char *eMrw_heldin; 280 u_int eMrw_magic; 281 short eMrw_read; 282 short eMrw_write; 283 int eMrw_heldat; 284} eMrwlock_t; 285 286typedef union { 287 char _fill[KMUTEX_FILL_SZ]; 288#ifdef KMUTEX_T 289 struct { 290 KMUTEX_T ipf_slk; 291 const char *ipf_lname; 292 } ipf_lkun_s; 293#endif 294 eMmutex_t ipf_emu; 295} ipfmutex_t; 296 297typedef union { 298 char _fill[KRWLOCK_FILL_SZ]; 299#ifdef KRWLOCK_T 300 struct { 301 KRWLOCK_T ipf_slk; 302 const char *ipf_lname; 303 int ipf_sr; 304 int ipf_sw; 305 u_int ipf_magic; 306 } ipf_lkun_s; 307#endif 308 eMrwlock_t ipf_emu; 309} ipfrwlock_t; 310 311#define ipf_lk ipf_lkun_s.ipf_slk 312#define ipf_lname ipf_lkun_s.ipf_lname 313#define ipf_isr ipf_lkun_s.ipf_sr 314#define ipf_isw ipf_lkun_s.ipf_sw 315#define ipf_magic ipf_lkun_s.ipf_magic 316 317#if !defined(__GNUC__) || \ 318 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000)) 319# ifndef INLINE 320# define INLINE 321# endif 322#else 323# define INLINE __inline__ 324#endif 325 326#if defined(__FreeBSD_version) && defined(_KERNEL) 327 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 328 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 329#endif 330 331 332/* 333 * In a non-kernel environment, there are a lot of macros that need to be 334 * filled in to be null-ops or to point to some compatibility function, 335 * somewhere in userland. 336 */ 337#ifndef _KERNEL 338typedef struct mb_s { 339 struct mb_s *mb_next; 340 char *mb_data; 341 void *mb_ifp; 342 int mb_len; 343 int mb_flags; 344 u_long mb_buf[2048]; 345} mb_t; 346# undef m_next 347# define m_next mb_next 348# undef m_len 349# define m_len mb_len 350# undef m_flags 351# define m_flags mb_flags 352# undef m_data 353# define m_data mb_data 354# undef M_MCAST 355# define M_MCAST 0x01 356# undef M_BCAST 357# define M_BCAST 0x02 358# undef M_MBCAST 359# define M_MBCAST 0x04 360# define MSGDSIZE(m) msgdsize(m) 361# define M_LEN(m) (m)->mb_len 362# define M_ADJ(m,x) (m)->mb_len += x 363# define M_COPY(m) dupmbt(m) 364# define M_DUP(m) dupmbt(m) 365# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 366# define MTOD(m, t) ((t)(m)->mb_data) 367# define FREE_MB_T(m) freembt(m) 368# define ALLOC_MB_T(m,l) (m) = allocmbt(l) 369# define PREP_MB_T(f, m) do { \ 370 (m)->mb_next = *(f)->fin_mp; \ 371 *(fin)->fin_mp = (m); \ 372 (f)->fin_m = (m); \ 373 } while (0) 374# define SLEEP(x,y) 1; 375# define WAKEUP(x,y) ; 376# define POLLWAKEUP(y) ; 377# define IPF_PANIC(x,y) ; 378# define PANIC(x,y) ; 379# define SPL_SCHED(x) ; 380# define SPL_NET(x) ; 381# define SPL_IMP(x) ; 382# define SPL_X(x) ; 383# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 384# define KMALLOCS(a,b,c) (a) = (b)malloc(c) 385# define KFREE(x) free(x) 386# define KFREES(x,s) free(x) 387# define GETIFP(x, v) get_unit(x,v) 388# define GETIFMTU_4(x) 2048 389# define GETIFMTU_6(x) 2048 390# define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 391# define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 392# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 393 (b), (l)) 394# define COPYBACK(m, o, l, b) bcopy((b), \ 395 MTOD((mb_t *)m, char *) + (o), \ 396 (l)) 397# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 398extern void m_copydata __P((mb_t *, int, int, caddr_t)); 399extern int ipfuiomove __P((caddr_t, int, int, struct uio *)); 400extern int bcopywrap __P((void *, void *, size_t)); 401extern mb_t *allocmbt __P((size_t)); 402extern mb_t *dupmbt __P((mb_t *)); 403extern void freembt __P((mb_t *)); 404 405# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 406 __FILE__, __LINE__) 407# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 408 __FILE__, __LINE__) 409# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 410 __FILE__, __LINE__) 411# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 412 __FILE__, __LINE__) 413# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 414 415# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 416 __FILE__, __LINE__) 417# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 418 __FILE__, __LINE__) 419# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 420# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 421# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 422# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 423 __FILE__, \ 424 __LINE__) 425 426# define USE_MUTEXES 1 427 428extern void eMmutex_destroy __P((eMmutex_t *, char *, int)); 429extern void eMmutex_enter __P((eMmutex_t *, char *, int)); 430extern void eMmutex_exit __P((eMmutex_t *, char *, int)); 431extern void eMmutex_init __P((eMmutex_t *, char *, char *, int)); 432extern void eMrwlock_destroy __P((eMrwlock_t *)); 433extern void eMrwlock_exit __P((eMrwlock_t *)); 434extern void eMrwlock_init __P((eMrwlock_t *, char *)); 435extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int)); 436extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int)); 437extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int)); 438 439#endif 440 441extern mb_t *allocmbt(size_t); 442 443#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 444 445#ifndef IP_OFFMASK 446# define IP_OFFMASK 0x1fff 447#endif 448 449 450/* 451 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 452 * object. 453 */ 454#if !defined(__amd64__) && BSD_GT_YEAR(199306) 455# define USE_QUAD_T 456# define U_QUAD_T unsigned long long 457# define QUAD_T long long 458#else /* BSD > 199306 */ 459# if !defined(U_QUAD_T) 460# define U_QUAD_T u_long 461# define QUAD_T long 462# endif 463#endif /* BSD > 199306 */ 464 465 466#ifdef USE_INET6 467# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \ 468 defined(__osf__) || defined(linux) 469# include <netinet/ip6.h> 470# include <netinet/icmp6.h> 471# if defined(_KERNEL) && !defined(__osf__) 472# include <netinet6/ip6_var.h> 473# endif 474typedef struct ip6_hdr ip6_t; 475# endif 476#endif 477 478#ifndef MAX 479# define MAX(a,b) (((a) > (b)) ? (a) : (b)) 480#endif 481 482#if defined(_KERNEL) 483# if defined(MENTAT) && !defined(INSTANCES) 484# define COPYDATA mb_copydata 485# define COPYBACK mb_copyback 486# else 487# define COPYDATA m_copydata 488# define COPYBACK m_copyback 489# endif 490# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 491 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \ 492 defined(_BSDI_VERSION) 493# include <vm/vm.h> 494# endif 495# if !defined(__FreeBSD__) || FREEBSD_GE_REV(300000) 496# if NETBSD_GE_REV(105180000) || OPENBSD_GE_REV(200111) 497# include <uvm/uvm_extern.h> 498# else 499# include <vm/vm_extern.h> 500extern vm_map_t kmem_map; 501# endif 502# include <sys/proc.h> 503# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 504# include <vm/vm_kern.h> 505# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 506 507# ifdef IPFILTER_M_IPFILTER 508# include <sys/malloc.h> 509MALLOC_DECLARE(M_IPFILTER); 510# define _M_IPF M_IPFILTER 511# else /* IPFILTER_M_IPFILTER */ 512# ifdef M_PFIL 513# define _M_IPF M_PFIL 514# else 515# ifdef M_IPFILTER 516# define _M_IPF M_IPFILTER 517# else 518# define _M_IPF M_TEMP 519# endif /* M_IPFILTER */ 520# endif /* M_PFIL */ 521# endif /* IPFILTER_M_IPFILTER */ 522# if !defined(KMALLOC) 523# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT) 524# endif 525# if !defined(KMALLOCS) 526# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT) 527# endif 528# if !defined(KFREE) 529# define KFREE(x) FREE((x), _M_IPF) 530# endif 531# if !defined(KFREES) 532# define KFREES(x,s) FREE((x), _M_IPF) 533# endif 534# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 535# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 536# define WAKEUP(id,x) wakeup(id+x) 537# if !defined(POLLWAKEUP) 538# define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 539# endif 540# define GETIFP(n, v) ifunit(n) 541# define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 542# define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 543 544# if !defined(USE_MUTEXES) && !defined(SPL_NET) 545# define SPL_IMP(x) x = splimp() 546# define SPL_NET(x) x = splnet() 547# if !defined(SPL_SCHED) 548# define SPL_SCHED(x) x = splsched() 549# endif 550# define SPL_X(x) (void) splx(x) 551# endif /* !USE_MUTEXES */ 552 553# ifndef FREE_MB_T 554# define FREE_MB_T(m) m_freem(m) 555# endif 556# ifndef ALLOC_MB_T 557# ifdef MGETHDR 558# define ALLOC_MB_T(m,l) do { \ 559 MGETHDR((m), M_NOWAIT, MT_HEADER); \ 560 if ((m) != NULL) { \ 561 (m)->m_len = (l); \ 562 (m)->m_pkthdr.len = (l); \ 563 } \ 564 } while (0) 565# else 566# define ALLOC_MB_T(m,l) do { \ 567 MGET((m), M_NOWAIT, MT_HEADER); \ 568 if ((m) != NULL) { \ 569 (m)->m_len = (l); \ 570 (m)->m_pkthdr.len = (l); \ 571 } \ 572 } while (0) 573# endif 574# endif 575# ifndef PREP_MB_T 576# define PREP_MB_T(f, m) do { \ 577 mb_t *_o = *(f)->fin_mp; \ 578 (m)->m_next = _o; \ 579 *(fin)->fin_mp = (m); \ 580 if (_o->m_flags & M_PKTHDR) { \ 581 (m)->m_pkthdr.len += \ 582 _o->m_pkthdr.len; \ 583 (m)->m_pkthdr.rcvif = \ 584 _o->m_pkthdr.rcvif; \ 585 } \ 586 } while (0) 587# endif 588# ifndef M_DUP 589# ifdef M_COPYALL 590# define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 591# else 592# define M_DUP(m) m_dup(m) 593# endif 594# endif 595 596# ifndef MTOD 597# define MTOD(m,t) mtod(m,t) 598# endif 599 600# ifndef COPYIN 601# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 602# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 603# endif 604 605# ifndef KMALLOC 606# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 607 KMEM_NOSLEEP) 608# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 609# endif 610 611# ifndef GET_MINOR 612# define GET_MINOR(x) dev2unit(x) 613# endif 614# define PANIC(x,y) if (x) panic y 615#endif /* _KERNEL */ 616 617#if !defined(IFNAME) && !defined(_KERNEL) 618# define IFNAME(x) get_ifname((struct ifnet *)x) 619#endif 620#ifndef COPYIFNAME 621# define NEED_FRGETIFNAME 622extern char *ipf_getifname __P((struct ifnet *, char *)); 623# define COPYIFNAME(v, x, b) \ 624 ipf_getifname((struct ifnet *)x, b) 625#endif 626 627#ifndef ASSERT 628# ifdef _KERNEL 629# define ASSERT(x) 630# else 631# define ASSERT(x) do { if (!(x)) abort(); } while (0) 632# endif 633#endif 634 635#ifndef BCOPYIN 636# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 637# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 638#endif 639 640/* 641 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 642 * would mean all normal code that walks through strings needed casts. Yuck. 643 */ 644#define ISALNUM(x) isalnum((u_char)(x)) 645#define ISALPHA(x) isalpha((u_char)(x)) 646#define ISDIGIT(x) isdigit((u_char)(x)) 647#define ISSPACE(x) isspace((u_char)(x)) 648#define ISUPPER(x) isupper((u_char)(x)) 649#define ISXDIGIT(x) isxdigit((u_char)(x)) 650#define ISLOWER(x) islower((u_char)(x)) 651#define TOUPPER(x) toupper((u_char)(x)) 652#define TOLOWER(x) tolower((u_char)(x)) 653 654/* 655 * If mutexes aren't being used, turn all the mutex functions into null-ops. 656 */ 657#if !defined(USE_MUTEXES) 658# define USE_SPL 1 659# undef RW_DESTROY 660# undef MUTEX_INIT 661# undef MUTEX_NUKE 662# undef MUTEX_DESTROY 663# define MUTEX_ENTER(x) ; 664# define READ_ENTER(x) ; 665# define WRITE_ENTER(x) ; 666# define MUTEX_DOWNGRADE(x) ; 667# define RWLOCK_INIT(x, y) ; 668# define RWLOCK_EXIT(x) ; 669# define RW_DESTROY(x) ; 670# define MUTEX_EXIT(x) ; 671# define MUTEX_INIT(x,y) ; 672# define MUTEX_DESTROY(x) ; 673# define MUTEX_NUKE(x) ; 674#endif /* !USE_MUTEXES */ 675#ifndef ATOMIC_INC 676# define ATOMIC_INC(x) (x)++ 677# define ATOMIC_DEC(x) (x)-- 678#endif 679 680#if defined(USE_SPL) && defined(_KERNEL) 681# define SPL_INT(x) int x 682#else 683# define SPL_INT(x) 684#endif 685 686/* 687 * If there are no atomic operations for bit sizes defined, define them to all 688 * use a generic one that works for all sizes. 689 */ 690#ifndef ATOMIC_INCL 691# define ATOMIC_INCL ATOMIC_INC 692# define ATOMIC_INC64 ATOMIC_INC 693# define ATOMIC_INC32 ATOMIC_INC 694# define ATOMIC_DECL ATOMIC_DEC 695# define ATOMIC_DEC64 ATOMIC_DEC 696# define ATOMIC_DEC32 ATOMIC_DEC 697#endif 698 699#ifndef HDR_T_PRIVATE 700typedef struct tcphdr tcphdr_t; 701typedef struct udphdr udphdr_t; 702#endif 703typedef struct icmp icmphdr_t; 704typedef struct ip ip_t; 705typedef struct ether_header ether_header_t; 706typedef struct tcpiphdr tcpiphdr_t; 707 708#ifndef FR_GROUPLEN 709# define FR_GROUPLEN 16 710#endif 711 712#ifndef offsetof 713# define offsetof(t,m) (size_t)((&((t *)0L)->m)) 714#endif 715#ifndef stsizeof 716# define stsizeof(t,m) sizeof(((t *)0L)->m) 717#endif 718 719/* 720 * This set of macros has been brought about because on Tru64 it is not 721 * possible to easily assign or examine values in a structure that are 722 * bit fields. 723 */ 724#ifndef IP_V 725# define IP_V(x) (x)->ip_v 726#endif 727#ifndef IP_V_A 728# define IP_V_A(x,y) (x)->ip_v = (y) 729#endif 730#ifndef IP_HL 731# define IP_HL(x) (x)->ip_hl 732#endif 733#ifndef IP_HL_A 734# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 735#endif 736#ifndef TCP_X2 737# define TCP_X2(x) (x)->th_x2 738#endif 739#ifndef TCP_X2_A 740# define TCP_X2_A(x,y) (x)->th_x2 = (y) 741#endif 742#ifndef TCP_OFF 743# define TCP_OFF(x) (x)->th_off 744#endif 745#ifndef TCP_OFF_A 746# define TCP_OFF_A(x,y) (x)->th_off = (y) 747#endif 748#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 749 750 751/* 752 * XXX - This is one of those *awful* hacks which nobody likes 753 */ 754#ifdef ultrix 755#define A_A 756#else 757#define A_A & 758#endif 759 760#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 761 TH_ECN|TH_CWR) 762 763#if BSD_GE_YEAR(199306) && !defined(m_act) 764# define m_act m_nextpkt 765#endif 766 767/* 768 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 769 * 770 * Basic Option 771 * 772 * 00000001 - (Reserved 4) 773 * 00111101 - Top Secret 774 * 01011010 - Secret 775 * 10010110 - Confidential 776 * 01100110 - (Reserved 3) 777 * 11001100 - (Reserved 2) 778 * 10101011 - Unclassified 779 * 11110001 - (Reserved 1) 780 */ 781#define IPSO_CLASS_RES4 0x01 782#define IPSO_CLASS_TOPS 0x3d 783#define IPSO_CLASS_SECR 0x5a 784#define IPSO_CLASS_CONF 0x96 785#define IPSO_CLASS_RES3 0x66 786#define IPSO_CLASS_RES2 0xcc 787#define IPSO_CLASS_UNCL 0xab 788#define IPSO_CLASS_RES1 0xf1 789 790#define IPSO_AUTH_GENSER 0x80 791#define IPSO_AUTH_ESI 0x40 792#define IPSO_AUTH_SCI 0x20 793#define IPSO_AUTH_NSA 0x10 794#define IPSO_AUTH_DOE 0x08 795#define IPSO_AUTH_UN 0x06 796#define IPSO_AUTH_FTE 0x01 797 798/* 799 * IP option #defines 800 */ 801#undef IPOPT_RR 802#define IPOPT_RR 7 803#undef IPOPT_ZSU 804#define IPOPT_ZSU 10 /* ZSU */ 805#undef IPOPT_MTUP 806#define IPOPT_MTUP 11 /* MTUP */ 807#undef IPOPT_MTUR 808#define IPOPT_MTUR 12 /* MTUR */ 809#undef IPOPT_ENCODE 810#define IPOPT_ENCODE 15 /* ENCODE */ 811#undef IPOPT_TS 812#define IPOPT_TS 68 813#undef IPOPT_TR 814#define IPOPT_TR 82 /* TR */ 815#undef IPOPT_SECURITY 816#define IPOPT_SECURITY 130 817#undef IPOPT_LSRR 818#define IPOPT_LSRR 131 819#undef IPOPT_E_SEC 820#define IPOPT_E_SEC 133 /* E-SEC */ 821#undef IPOPT_CIPSO 822#define IPOPT_CIPSO 134 /* CIPSO */ 823#undef IPOPT_SATID 824#define IPOPT_SATID 136 825#ifndef IPOPT_SID 826# define IPOPT_SID IPOPT_SATID 827#endif 828#undef IPOPT_SSRR 829#define IPOPT_SSRR 137 830#undef IPOPT_ADDEXT 831#define IPOPT_ADDEXT 147 /* ADDEXT */ 832#undef IPOPT_VISA 833#define IPOPT_VISA 142 /* VISA */ 834#undef IPOPT_IMITD 835#define IPOPT_IMITD 144 /* IMITD */ 836#undef IPOPT_EIP 837#define IPOPT_EIP 145 /* EIP */ 838#undef IPOPT_RTRALRT 839#define IPOPT_RTRALRT 148 /* RTRALRT */ 840#undef IPOPT_SDB 841#define IPOPT_SDB 149 842#undef IPOPT_NSAPA 843#define IPOPT_NSAPA 150 844#undef IPOPT_DPS 845#define IPOPT_DPS 151 846#undef IPOPT_UMP 847#define IPOPT_UMP 152 848#undef IPOPT_FINN 849#define IPOPT_FINN 205 /* FINN */ 850#undef IPOPT_AH 851#define IPOPT_AH 256+IPPROTO_AH 852 853#ifndef TCPOPT_EOL 854# define TCPOPT_EOL 0 855#endif 856#ifndef TCPOPT_NOP 857# define TCPOPT_NOP 1 858#endif 859#ifndef TCPOPT_MAXSEG 860# define TCPOPT_MAXSEG 2 861#endif 862#ifndef TCPOLEN_MAXSEG 863# define TCPOLEN_MAXSEG 4 864#endif 865#ifndef TCPOPT_WINDOW 866# define TCPOPT_WINDOW 3 867#endif 868#ifndef TCPOLEN_WINDOW 869# define TCPOLEN_WINDOW 3 870#endif 871#ifndef TCPOPT_SACK_PERMITTED 872# define TCPOPT_SACK_PERMITTED 4 873#endif 874#ifndef TCPOLEN_SACK_PERMITTED 875# define TCPOLEN_SACK_PERMITTED 2 876#endif 877#ifndef TCPOPT_SACK 878# define TCPOPT_SACK 5 879#endif 880#ifndef TCPOPT_TIMESTAMP 881# define TCPOPT_TIMESTAMP 8 882#endif 883 884#ifndef ICMP_MINLEN 885# define ICMP_MINLEN 8 886#endif 887#ifndef ICMP_ECHOREPLY 888# define ICMP_ECHOREPLY 0 889#endif 890#ifndef ICMP_UNREACH 891# define ICMP_UNREACH 3 892#endif 893#ifndef ICMP_UNREACH_NET 894# define ICMP_UNREACH_NET 0 895#endif 896#ifndef ICMP_UNREACH_HOST 897# define ICMP_UNREACH_HOST 1 898#endif 899#ifndef ICMP_UNREACH_PROTOCOL 900# define ICMP_UNREACH_PROTOCOL 2 901#endif 902#ifndef ICMP_UNREACH_PORT 903# define ICMP_UNREACH_PORT 3 904#endif 905#ifndef ICMP_UNREACH_NEEDFRAG 906# define ICMP_UNREACH_NEEDFRAG 4 907#endif 908#ifndef ICMP_UNREACH_SRCFAIL 909# define ICMP_UNREACH_SRCFAIL 5 910#endif 911#ifndef ICMP_UNREACH_NET_UNKNOWN 912# define ICMP_UNREACH_NET_UNKNOWN 6 913#endif 914#ifndef ICMP_UNREACH_HOST_UNKNOWN 915# define ICMP_UNREACH_HOST_UNKNOWN 7 916#endif 917#ifndef ICMP_UNREACH_ISOLATED 918# define ICMP_UNREACH_ISOLATED 8 919#endif 920#ifndef ICMP_UNREACH_NET_PROHIB 921# define ICMP_UNREACH_NET_PROHIB 9 922#endif 923#ifndef ICMP_UNREACH_HOST_PROHIB 924# define ICMP_UNREACH_HOST_PROHIB 10 925#endif 926#ifndef ICMP_UNREACH_TOSNET 927# define ICMP_UNREACH_TOSNET 11 928#endif 929#ifndef ICMP_UNREACH_TOSHOST 930# define ICMP_UNREACH_TOSHOST 12 931#endif 932#ifndef ICMP_UNREACH_ADMIN_PROHIBIT 933# define ICMP_UNREACH_ADMIN_PROHIBIT 13 934#endif 935#ifndef ICMP_UNREACH_FILTER 936# define ICMP_UNREACH_FILTER 13 937#endif 938#ifndef ICMP_UNREACH_HOST_PRECEDENCE 939# define ICMP_UNREACH_HOST_PRECEDENCE 14 940#endif 941#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF 942# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 943#endif 944#ifndef ICMP_SOURCEQUENCH 945# define ICMP_SOURCEQUENCH 4 946#endif 947#ifndef ICMP_REDIRECT_NET 948# define ICMP_REDIRECT_NET 0 949#endif 950#ifndef ICMP_REDIRECT_HOST 951# define ICMP_REDIRECT_HOST 1 952#endif 953#ifndef ICMP_REDIRECT_TOSNET 954# define ICMP_REDIRECT_TOSNET 2 955#endif 956#ifndef ICMP_REDIRECT_TOSHOST 957# define ICMP_REDIRECT_TOSHOST 3 958#endif 959#ifndef ICMP_ALTHOSTADDR 960# define ICMP_ALTHOSTADDR 6 961#endif 962#ifndef ICMP_TIMXCEED 963# define ICMP_TIMXCEED 11 964#endif 965#ifndef ICMP_TIMXCEED_INTRANS 966# define ICMP_TIMXCEED_INTRANS 0 967#endif 968#ifndef ICMP_TIMXCEED_REASS 969# define ICMP_TIMXCEED_REASS 1 970#endif 971#ifndef ICMP_PARAMPROB 972# define ICMP_PARAMPROB 12 973#endif 974#ifndef ICMP_PARAMPROB_ERRATPTR 975# define ICMP_PARAMPROB_ERRATPTR 0 976#endif 977#ifndef ICMP_PARAMPROB_OPTABSENT 978# define ICMP_PARAMPROB_OPTABSENT 1 979#endif 980#ifndef ICMP_PARAMPROB_LENGTH 981# define ICMP_PARAMPROB_LENGTH 2 982#endif 983#ifndef ICMP_TSTAMP 984# define ICMP_TSTAMP 13 985#endif 986#ifndef ICMP_TSTAMPREPLY 987# define ICMP_TSTAMPREPLY 14 988#endif 989#ifndef ICMP_IREQ 990# define ICMP_IREQ 15 991#endif 992#ifndef ICMP_IREQREPLY 993# define ICMP_IREQREPLY 16 994#endif 995#ifndef ICMP_MASKREQ 996# define ICMP_MASKREQ 17 997#endif 998#ifndef ICMP_MASKREPLY 999# define ICMP_MASKREPLY 18 1000#endif 1001#ifndef ICMP_TRACEROUTE 1002# define ICMP_TRACEROUTE 30 1003#endif 1004#ifndef ICMP_DATACONVERR 1005# define ICMP_DATACONVERR 31 1006#endif 1007#ifndef ICMP_MOBILE_REDIRECT 1008# define ICMP_MOBILE_REDIRECT 32 1009#endif 1010#ifndef ICMP_IPV6_WHEREAREYOU 1011# define ICMP_IPV6_WHEREAREYOU 33 1012#endif 1013#ifndef ICMP_IPV6_IAMHERE 1014# define ICMP_IPV6_IAMHERE 34 1015#endif 1016#ifndef ICMP_MOBILE_REGREQUEST 1017# define ICMP_MOBILE_REGREQUEST 35 1018#endif 1019#ifndef ICMP_MOBILE_REGREPLY 1020# define ICMP_MOBILE_REGREPLY 36 1021#endif 1022#ifndef ICMP_SKIP 1023# define ICMP_SKIP 39 1024#endif 1025#ifndef ICMP_PHOTURIS 1026# define ICMP_PHOTURIS 40 1027#endif 1028#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX 1029# define ICMP_PHOTURIS_UNKNOWN_INDEX 1 1030#endif 1031#ifndef ICMP_PHOTURIS_AUTH_FAILED 1032# define ICMP_PHOTURIS_AUTH_FAILED 2 1033#endif 1034#ifndef ICMP_PHOTURIS_DECRYPT_FAILED 1035# define ICMP_PHOTURIS_DECRYPT_FAILED 3 1036#endif 1037#ifndef IPVERSION 1038# define IPVERSION 4 1039#endif 1040#ifndef IPOPT_MINOFF 1041# define IPOPT_MINOFF 4 1042#endif 1043#ifndef IPOPT_COPIED 1044# define IPOPT_COPIED(x) ((x)&0x80) 1045#endif 1046#ifndef IPOPT_EOL 1047# define IPOPT_EOL 0 1048#endif 1049#ifndef IPOPT_NOP 1050# define IPOPT_NOP 1 1051#endif 1052#ifndef IP_MF 1053# define IP_MF ((u_short)0x2000) 1054#endif 1055#ifndef ETHERTYPE_IP 1056# define ETHERTYPE_IP ((u_short)0x0800) 1057#endif 1058#ifndef TH_FIN 1059# define TH_FIN 0x01 1060#endif 1061#ifndef TH_SYN 1062# define TH_SYN 0x02 1063#endif 1064#ifndef TH_RST 1065# define TH_RST 0x04 1066#endif 1067#ifndef TH_PUSH 1068# define TH_PUSH 0x08 1069#endif 1070#ifndef TH_ACK 1071# define TH_ACK 0x10 1072#endif 1073#ifndef TH_URG 1074# define TH_URG 0x20 1075#endif 1076#undef TH_ACKMASK 1077#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 1078 1079#ifndef IPOPT_EOL 1080# define IPOPT_EOL 0 1081#endif 1082#ifndef IPOPT_NOP 1083# define IPOPT_NOP 1 1084#endif 1085#ifndef IPOPT_RR 1086# define IPOPT_RR 7 1087#endif 1088#ifndef IPOPT_TS 1089# define IPOPT_TS 68 1090#endif 1091#ifndef IPOPT_SECURITY 1092# define IPOPT_SECURITY 130 1093#endif 1094#ifndef IPOPT_LSRR 1095# define IPOPT_LSRR 131 1096#endif 1097#ifndef IPOPT_SATID 1098# define IPOPT_SATID 136 1099#endif 1100#ifndef IPOPT_SSRR 1101# define IPOPT_SSRR 137 1102#endif 1103#ifndef IPOPT_SECUR_UNCLASS 1104# define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 1105#endif 1106#ifndef IPOPT_SECUR_CONFID 1107# define IPOPT_SECUR_CONFID ((u_short)0xf135) 1108#endif 1109#ifndef IPOPT_SECUR_EFTO 1110# define IPOPT_SECUR_EFTO ((u_short)0x789a) 1111#endif 1112#ifndef IPOPT_SECUR_MMMM 1113# define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 1114#endif 1115#ifndef IPOPT_SECUR_RESTR 1116# define IPOPT_SECUR_RESTR ((u_short)0xaf13) 1117#endif 1118#ifndef IPOPT_SECUR_SECRET 1119# define IPOPT_SECUR_SECRET ((u_short)0xd788) 1120#endif 1121#ifndef IPOPT_SECUR_TOPSECRET 1122# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 1123#endif 1124#ifndef IPOPT_OLEN 1125# define IPOPT_OLEN 1 1126#endif 1127#ifndef IPPROTO_HOPOPTS 1128# define IPPROTO_HOPOPTS 0 1129#endif 1130#ifndef IPPROTO_IPIP 1131# define IPPROTO_IPIP 4 1132#endif 1133#ifndef IPPROTO_ENCAP 1134# define IPPROTO_ENCAP 98 1135#endif 1136#ifndef IPPROTO_IPV6 1137# define IPPROTO_IPV6 41 1138#endif 1139#ifndef IPPROTO_ROUTING 1140# define IPPROTO_ROUTING 43 1141#endif 1142#ifndef IPPROTO_FRAGMENT 1143# define IPPROTO_FRAGMENT 44 1144#endif 1145#ifndef IPPROTO_GRE 1146# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 1147#endif 1148#ifndef IPPROTO_ESP 1149# define IPPROTO_ESP 50 1150#endif 1151#ifndef IPPROTO_AH 1152# define IPPROTO_AH 51 1153#endif 1154#ifndef IPPROTO_ICMPV6 1155# define IPPROTO_ICMPV6 58 1156#endif 1157#ifndef IPPROTO_NONE 1158# define IPPROTO_NONE 59 1159#endif 1160#ifndef IPPROTO_DSTOPTS 1161# define IPPROTO_DSTOPTS 60 1162#endif 1163#ifndef IPPROTO_MOBILITY 1164# define IPPROTO_MOBILITY 135 1165#endif 1166 1167#ifndef ICMP_ROUTERADVERT 1168# define ICMP_ROUTERADVERT 9 1169#endif 1170#ifndef ICMP_ROUTERSOLICIT 1171# define ICMP_ROUTERSOLICIT 10 1172#endif 1173#ifndef ICMP6_DST_UNREACH 1174# define ICMP6_DST_UNREACH 1 1175#endif 1176#ifndef ICMP6_PACKET_TOO_BIG 1177# define ICMP6_PACKET_TOO_BIG 2 1178#endif 1179#ifndef ICMP6_TIME_EXCEEDED 1180# define ICMP6_TIME_EXCEEDED 3 1181#endif 1182#ifndef ICMP6_PARAM_PROB 1183# define ICMP6_PARAM_PROB 4 1184#endif 1185 1186#ifndef ICMP6_ECHO_REQUEST 1187# define ICMP6_ECHO_REQUEST 128 1188#endif 1189#ifndef ICMP6_ECHO_REPLY 1190# define ICMP6_ECHO_REPLY 129 1191#endif 1192#ifndef ICMP6_MEMBERSHIP_QUERY 1193# define ICMP6_MEMBERSHIP_QUERY 130 1194#endif 1195#ifndef MLD6_LISTENER_QUERY 1196# define MLD6_LISTENER_QUERY 130 1197#endif 1198#ifndef ICMP6_MEMBERSHIP_REPORT 1199# define ICMP6_MEMBERSHIP_REPORT 131 1200#endif 1201#ifndef MLD6_LISTENER_REPORT 1202# define MLD6_LISTENER_REPORT 131 1203#endif 1204#ifndef ICMP6_MEMBERSHIP_REDUCTION 1205# define ICMP6_MEMBERSHIP_REDUCTION 132 1206#endif 1207#ifndef MLD6_LISTENER_DONE 1208# define MLD6_LISTENER_DONE 132 1209#endif 1210#ifndef ND_ROUTER_SOLICIT 1211# define ND_ROUTER_SOLICIT 133 1212#endif 1213#ifndef ND_ROUTER_ADVERT 1214# define ND_ROUTER_ADVERT 134 1215#endif 1216#ifndef ND_NEIGHBOR_SOLICIT 1217# define ND_NEIGHBOR_SOLICIT 135 1218#endif 1219#ifndef ND_NEIGHBOR_ADVERT 1220# define ND_NEIGHBOR_ADVERT 136 1221#endif 1222#ifndef ND_REDIRECT 1223# define ND_REDIRECT 137 1224#endif 1225#ifndef ICMP6_ROUTER_RENUMBERING 1226# define ICMP6_ROUTER_RENUMBERING 138 1227#endif 1228#ifndef ICMP6_WRUREQUEST 1229# define ICMP6_WRUREQUEST 139 1230#endif 1231#ifndef ICMP6_WRUREPLY 1232# define ICMP6_WRUREPLY 140 1233#endif 1234#ifndef ICMP6_FQDN_QUERY 1235# define ICMP6_FQDN_QUERY 139 1236#endif 1237#ifndef ICMP6_FQDN_REPLY 1238# define ICMP6_FQDN_REPLY 140 1239#endif 1240#ifndef ICMP6_NI_QUERY 1241# define ICMP6_NI_QUERY 139 1242#endif 1243#ifndef ICMP6_NI_REPLY 1244# define ICMP6_NI_REPLY 140 1245#endif 1246#ifndef MLD6_MTRACE_RESP 1247# define MLD6_MTRACE_RESP 200 1248#endif 1249#ifndef MLD6_MTRACE 1250# define MLD6_MTRACE 201 1251#endif 1252#ifndef ICMP6_HADISCOV_REQUEST 1253# define ICMP6_HADISCOV_REQUEST 202 1254#endif 1255#ifndef ICMP6_HADISCOV_REPLY 1256# define ICMP6_HADISCOV_REPLY 203 1257#endif 1258#ifndef ICMP6_MOBILEPREFIX_SOLICIT 1259# define ICMP6_MOBILEPREFIX_SOLICIT 204 1260#endif 1261#ifndef ICMP6_MOBILEPREFIX_ADVERT 1262# define ICMP6_MOBILEPREFIX_ADVERT 205 1263#endif 1264#ifndef ICMP6_MAXTYPE 1265# define ICMP6_MAXTYPE 205 1266#endif 1267 1268#ifndef ICMP6_DST_UNREACH_NOROUTE 1269# define ICMP6_DST_UNREACH_NOROUTE 0 1270#endif 1271#ifndef ICMP6_DST_UNREACH_ADMIN 1272# define ICMP6_DST_UNREACH_ADMIN 1 1273#endif 1274#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1275# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1276#endif 1277#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1278# define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1279#endif 1280#ifndef ICMP6_DST_UNREACH_ADDR 1281# define ICMP6_DST_UNREACH_ADDR 3 1282#endif 1283#ifndef ICMP6_DST_UNREACH_NOPORT 1284# define ICMP6_DST_UNREACH_NOPORT 4 1285#endif 1286#ifndef ICMP6_TIME_EXCEED_TRANSIT 1287# define ICMP6_TIME_EXCEED_TRANSIT 0 1288#endif 1289#ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1290# define ICMP6_TIME_EXCEED_REASSEMBLY 1 1291#endif 1292 1293#ifndef ICMP6_NI_SUCCESS 1294# define ICMP6_NI_SUCCESS 0 1295#endif 1296#ifndef ICMP6_NI_REFUSED 1297# define ICMP6_NI_REFUSED 1 1298#endif 1299#ifndef ICMP6_NI_UNKNOWN 1300# define ICMP6_NI_UNKNOWN 2 1301#endif 1302 1303#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1304# define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1305#endif 1306#ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1307# define ICMP6_ROUTER_RENUMBERING_RESULT 1 1308#endif 1309#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1310# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1311#endif 1312 1313#ifndef ICMP6_PARAMPROB_HEADER 1314# define ICMP6_PARAMPROB_HEADER 0 1315#endif 1316#ifndef ICMP6_PARAMPROB_NEXTHEADER 1317# define ICMP6_PARAMPROB_NEXTHEADER 1 1318#endif 1319#ifndef ICMP6_PARAMPROB_OPTION 1320# define ICMP6_PARAMPROB_OPTION 2 1321#endif 1322 1323#ifndef ICMP6_NI_SUBJ_IPV6 1324# define ICMP6_NI_SUBJ_IPV6 0 1325#endif 1326#ifndef ICMP6_NI_SUBJ_FQDN 1327# define ICMP6_NI_SUBJ_FQDN 1 1328#endif 1329#ifndef ICMP6_NI_SUBJ_IPV4 1330# define ICMP6_NI_SUBJ_IPV4 2 1331#endif 1332 1333#ifndef MLD_MTRACE_RESP 1334# define MLD_MTRACE_RESP 200 1335#endif 1336#ifndef MLD_MTRACE 1337# define MLD_MTRACE 201 1338#endif 1339#ifndef MLD6_MTRACE_RESP 1340# define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1341#endif 1342#ifndef MLD6_MTRACE 1343# define MLD6_MTRACE MLD_MTRACE 1344#endif 1345 1346#if !defined(IPV6_FLOWINFO_MASK) 1347# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1348# define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1349# else 1350# if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1351# define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1352# endif /* LITTLE_ENDIAN */ 1353# endif 1354#endif 1355#if !defined(IPV6_FLOWLABEL_MASK) 1356# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1357# define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1358# else 1359# if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1360# define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1361# endif /* LITTLE_ENDIAN */ 1362# endif 1363#endif 1364 1365/* 1366 * ECN is a new addition to TCP - RFC 2481 1367 */ 1368#ifndef TH_ECN 1369# define TH_ECN 0x40 1370#endif 1371#ifndef TH_CWR 1372# define TH_CWR 0x80 1373#endif 1374#define TH_ECNALL (TH_ECN|TH_CWR) 1375 1376/* 1377 * TCP States 1378 */ 1379#define IPF_TCPS_LISTEN 0 /* listening for connection */ 1380#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1381#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1382#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1383/* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1384#define IPF_TCPS_ESTABLISHED 4 /* established */ 1385#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1386/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1387#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1388#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1389#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1390/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1391#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1392#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1393#define IPF_TCPS_CLOSED 11 /* closed */ 1394#define IPF_TCP_NSTATES 12 1395 1396#define TCP_MSL 120 1397 1398#undef ICMP_MAX_UNREACH 1399#define ICMP_MAX_UNREACH 14 1400#undef ICMP_MAXTYPE 1401#define ICMP_MAXTYPE 18 1402 1403#ifndef IFNAMSIZ 1404#define IFNAMSIZ 16 1405#endif 1406 1407#ifndef LOG_FTP 1408# define LOG_FTP (11<<3) 1409#endif 1410#ifndef LOG_AUTHPRIV 1411# define LOG_AUTHPRIV (10<<3) 1412#endif 1413#ifndef LOG_AUDIT 1414# define LOG_AUDIT (13<<3) 1415#endif 1416#ifndef LOG_NTP 1417# define LOG_NTP (12<<3) 1418#endif 1419#ifndef LOG_SECURITY 1420# define LOG_SECURITY (13<<3) 1421#endif 1422#ifndef LOG_LFMT 1423# define LOG_LFMT (14<<3) 1424#endif 1425#ifndef LOG_CONSOLE 1426# define LOG_CONSOLE (14<<3) 1427#endif 1428 1429/* 1430 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1431 * another IP header and then 64 bits of data, totalling 56. Of course, 1432 * the last 64 bits is dependent on that being available. 1433 */ 1434#define ICMPERR_ICMPHLEN 8 1435#define ICMPERR_IPICMPHLEN (20 + 8) 1436#define ICMPERR_MINPKTLEN (20 + 8 + 20) 1437#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1438#define ICMP6ERR_MINPKTLEN (40 + 8) 1439#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1440 1441#ifndef MIN 1442# define MIN(a,b) (((a)<(b))?(a):(b)) 1443#endif 1444 1445#ifdef RESCUE 1446# undef IPFILTER_BPF 1447#endif 1448 1449#ifdef IPF_DEBUG 1450# define DPRINT(x) printf x 1451#else 1452# define DPRINT(x) 1453#endif 1454 1455#ifndef AF_INET6 1456# define AF_INET6 26 1457#endif 1458 1459#ifdef DTRACE_PROBE 1460# ifdef _KERNEL 1461# define DT(_n) DTRACE_PROBE(_n) 1462# define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1463# define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1464# define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1465 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1466# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1467 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1468# else 1469# define DT(_n) 1470# define DT1(_n,_a,_b) 1471# define DT2(_n,_a,_b,_c,_d) 1472# define DT3(_n,_a,_b,_c,_d,_e,_f) 1473# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1474# endif 1475#else 1476# define DT(_n) 1477# define DT1(_n,_a,_b) 1478# define DT2(_n,_a,_b,_c,_d) 1479# define DT3(_n,_a,_b,_c,_d,_e,_f) 1480# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1481#endif 1482 1483struct ip6_routing { 1484 u_char ip6r_nxt; /* next header */ 1485 u_char ip6r_len; /* length in units of 8 octets */ 1486 u_char ip6r_type; /* always zero */ 1487 u_char ip6r_segleft; /* segments left */ 1488 u_32_t ip6r_reserved; /* reserved field */ 1489}; 1490 1491#endif /* __IP_COMPAT_H__ */ 1492