ip_compat.h revision 305138
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/10/sys/contrib/ipfilter/netinet/ip_compat.h 305138 2016-08-31 18:00:41Z dim $ 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#ifndef SOLARIS 36# if defined(sun) && (defined(__svr4__) || defined(__SVR4)) 37# define SOLARIS 1 38# else 39# define SOLARIS 0 40# endif 41#endif 42 43 44#if defined(__SVR4) || defined(__svr4__) || defined(__sgi) 45# define index strchr 46# if !defined(_KERNEL) 47# define bzero(a,b) memset(a,0,b) 48# define bcmp memcmp 49# define bcopy(a,b,c) memmove(b,a,c) 50# endif 51#endif 52 53#ifndef LIFNAMSIZ 54# ifdef IF_NAMESIZE 55# define LIFNAMSIZ IF_NAMESIZE 56# else 57# ifdef IFNAMSIZ 58# define LIFNAMSIZ IFNAMSIZ 59# else 60# define LIFNAMSIZ 16 61# endif 62# endif 63#endif 64 65#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux) 66struct ether_addr { 67 u_char ether_addr_octet[6]; 68}; 69#endif 70 71# ifdef __STDC__ 72# define IPL_EXTERN(ep) ipl##ep 73# else 74# define IPL_EXTERN(ep) ipl/**/ep 75# endif 76 77/* 78 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 79 */ 80# ifndef _KERNEL 81# define ADD_KERNEL 82# define _KERNEL 83# define KERNEL 84# endif 85# include <sys/uio.h> 86# ifdef ADD_KERNEL 87# undef _KERNEL 88# undef KERNEL 89# endif 90 91#define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 92 (__NetBSD_Version__ >= (x))) 93#define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 94 (__NetBSD_Version__ > (x))) 95#define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 96 (__NetBSD_Version__ < (x))) 97#define FREEBSD_GE_REV(x) (defined(__FreeBSD_version) && \ 98 (__FreeBSD_version >= (x))) 99#define FREEBSD_GT_REV(x) (defined(__FreeBSD_version) && \ 100 (__FreeBSD_version > (x))) 101#define FREEBSD_LT_REV(x) (defined(__FreeBSD_version) && \ 102 (__FreeBSD_version < (x))) 103#define BSDOS_GE_REV(x) (defined(_BSDI_VERSION) && \ 104 (_BSDI_VERSION >= (x))) 105#define BSDOS_GT_REV(x) (defined(_BSDI_VERSION) && \ 106 (_BSDI_VERSION > (x))) 107#define BSDOS_LT_REV(x) (defined(_BSDI_VERSION) && \ 108 (_BSDI_VERSION < (x))) 109#define OPENBSD_GE_REV(x) (defined(OpenBSD) && (OpenBSD >= (x))) 110#define OPENBSD_GT_REV(x) (defined(OpenBSD) && (OpenBSD > (x))) 111#define OPENBSD_LT_REV(x) (defined(OpenBSD) && (OpenBSD < (x))) 112#define BSD_GE_YEAR(x) (defined(BSD) && (BSD >= (x))) 113#define BSD_GT_YEAR(x) (defined(BSD) && (BSD > (x))) 114#define BSD_LT_YEAR(x) (defined(BSD) && (BSD < (x))) 115 116 117/* ----------------------------------------------------------------------- */ 118/* F R E E B S D */ 119/* ----------------------------------------------------------------------- */ 120# define HAS_SYS_MD5_H 1 121# if defined(_KERNEL) 122# include "opt_bpf.h" 123# include "opt_inet6.h" 124# if defined(INET6) && !defined(USE_INET6) 125# define USE_INET6 126# endif 127# else 128# if !defined(USE_INET6) && !defined(NOINET6) 129# define USE_INET6 130# endif 131# endif 132 133# if defined(_KERNEL) 134# include <netinet/ip_var.h> 135# define p_cred td_ucred 136# define p_uid td_ucred->cr_ruid 137 138/* 139 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 140 * There may be other, safe, kernels but this is not extensively tested yet. 141 */ 142# define HAVE_M_PULLDOWN 143# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000) 144# include "opt_ipfilter.h" 145# endif 146# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 147# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 148 149# define NETBSD_PF 150# else 151# include <inttypes.h> 152# endif /* _KERNEL */ 153 154# include <sys/selinfo.h> 155# include <sys/mutex.h> 156# define KRWLOCK_FILL_SZ 56 157# define KMUTEX_FILL_SZ 56 158# include <sys/rwlock.h> 159# define KMUTEX_T struct mtx 160# define KRWLOCK_T struct rwlock 161# ifdef _KERNEL 162# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 163# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 164# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 165# define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 166# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 167# define RWLOCK_EXIT(x) do { \ 168 if (rw_wowned(&(x)->ipf_lk)) \ 169 rw_wunlock(&(x)->ipf_lk); \ 170 else \ 171 rw_runlock(&(x)->ipf_lk); \ 172 } while (0) 173# endif 174 175# include <net/if_var.h> 176# define IFNAME(x) ((struct ifnet *)x)->if_xname 177# define COPYIFNAME(v, x, b) \ 178 (void) strncpy(b, \ 179 ((struct ifnet *)x)->if_xname, \ 180 LIFNAMSIZ) 181 182# ifdef _KERNEL 183# define GETKTIME(x) microtime((struct timeval *)x) 184 185# include <netinet/in_systm.h> 186# include <netinet/ip.h> 187# include <machine/in_cksum.h> 188 189# define USE_MUTEXES 190# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 191# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 192# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 193 MTX_DEF) 194# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 195# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 196/* 197 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 198 * for what we want to use them for, despite testing showing they work - 199 * with a WITNESS kernel, it generates LOR messages. 200 */ 201# include <machine/atomic.h> 202# define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 203 mtx_unlock(&softc->ipf_rw.ipf_lk); } 204# define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 205 mtx_unlock(&softc->ipf_rw.ipf_lk); } 206# define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 207# define ATOMIC_INC64(x) ATOMIC_INC(x) 208# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 209# define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 210# define ATOMIC_DEC64(x) ATOMIC_DEC(x) 211# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 212# define SPL_X(x) ; 213# define SPL_NET(x) ; 214# define SPL_IMP(x) ; 215# define SPL_SCHED(x) ; 216# define GET_MINOR dev2unit 217# define MSGDSIZE(m) mbufchainlen(m) 218# define M_LEN(m) (m)->m_len 219# define M_ADJ(m,x) m_adj(m, x) 220# define M_COPY(x) m_copy((x), 0, M_COPYALL) 221# define M_DUP(m) m_dup(m, M_NOWAIT) 222# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 223typedef struct mbuf mb_t; 224# endif /* _KERNEL */ 225 226 227typedef u_long ioctlcmd_t; 228typedef struct uio uio_t; 229typedef int minor_t; 230typedef u_int32_t u_32_t; 231# define U_32_T 1 232 233 234/* ----------------------------------------------------------------------- */ 235/* G E N E R I C */ 236/* ----------------------------------------------------------------------- */ 237 238/* 239 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 240 * filter rules. 241 */ 242#if !defined(IPFILTER_BPF) 243# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 244 (defined(NBPFILTER) && (NBPFILTER > 0)) 245# define IPFILTER_BPF 246# endif 247#endif 248 249/* 250 * Userland locking primitives 251 */ 252#ifndef _KERNEL 253#if !defined(KMUTEX_FILL_SZ) 254# define KMUTEX_FILL_SZ 1 255#endif 256#if !defined(KRWLOCK_FILL_SZ) 257# define KRWLOCK_FILL_SZ 1 258#endif 259#endif 260 261typedef struct { 262 char *eMm_owner; 263 char *eMm_heldin; 264 u_int eMm_magic; 265 int eMm_held; 266 int eMm_heldat; 267} eMmutex_t; 268 269typedef struct { 270 char *eMrw_owner; 271 char *eMrw_heldin; 272 u_int eMrw_magic; 273 short eMrw_read; 274 short eMrw_write; 275 int eMrw_heldat; 276} eMrwlock_t; 277 278typedef union { 279 char _fill[KMUTEX_FILL_SZ]; 280#ifdef KMUTEX_T 281 struct { 282 KMUTEX_T ipf_slk; 283 const char *ipf_lname; 284 } ipf_lkun_s; 285#endif 286 eMmutex_t ipf_emu; 287} ipfmutex_t; 288 289typedef union { 290 char _fill[KRWLOCK_FILL_SZ]; 291#ifdef KRWLOCK_T 292 struct { 293 KRWLOCK_T ipf_slk; 294 const char *ipf_lname; 295 int ipf_sr; 296 int ipf_sw; 297 u_int ipf_magic; 298 } ipf_lkun_s; 299#endif 300 eMrwlock_t ipf_emu; 301} ipfrwlock_t; 302 303#define ipf_lk ipf_lkun_s.ipf_slk 304#define ipf_lname ipf_lkun_s.ipf_lname 305#define ipf_isr ipf_lkun_s.ipf_sr 306#define ipf_isw ipf_lkun_s.ipf_sw 307#define ipf_magic ipf_lkun_s.ipf_magic 308 309#if !defined(__GNUC__) || \ 310 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000)) 311# ifndef INLINE 312# define INLINE 313# endif 314#else 315# define INLINE __inline__ 316#endif 317 318#if defined(__FreeBSD_version) && defined(_KERNEL) 319 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 320 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 321#endif 322 323 324/* 325 * In a non-kernel environment, there are a lot of macros that need to be 326 * filled in to be null-ops or to point to some compatibility function, 327 * somewhere in userland. 328 */ 329#ifndef _KERNEL 330typedef struct mb_s { 331 struct mb_s *mb_next; 332 char *mb_data; 333 void *mb_ifp; 334 int mb_len; 335 int mb_flags; 336 u_long mb_buf[2048]; 337} mb_t; 338# undef m_next 339# define m_next mb_next 340# undef m_len 341# define m_len mb_len 342# undef m_flags 343# define m_flags mb_flags 344# undef m_data 345# define m_data mb_data 346# undef M_MCAST 347# define M_MCAST 0x01 348# undef M_BCAST 349# define M_BCAST 0x02 350# undef M_MBCAST 351# define M_MBCAST 0x04 352# define MSGDSIZE(m) msgdsize(m) 353# define M_LEN(m) (m)->mb_len 354# define M_ADJ(m,x) (m)->mb_len += x 355# define M_COPY(m) dupmbt(m) 356# define M_DUP(m) dupmbt(m) 357# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 358# define MTOD(m, t) ((t)(m)->mb_data) 359# define FREE_MB_T(m) freembt(m) 360# define ALLOC_MB_T(m,l) (m) = allocmbt(l) 361# define PREP_MB_T(f, m) do { \ 362 (m)->mb_next = *(f)->fin_mp; \ 363 *(fin)->fin_mp = (m); \ 364 (f)->fin_m = (m); \ 365 } while (0) 366# define SLEEP(x,y) 1; 367# define WAKEUP(x,y) ; 368# define POLLWAKEUP(y) ; 369# define IPF_PANIC(x,y) ; 370# define PANIC(x,y) ; 371# define SPL_SCHED(x) ; 372# define SPL_NET(x) ; 373# define SPL_IMP(x) ; 374# define SPL_X(x) ; 375# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 376# define KMALLOCS(a,b,c) (a) = (b)malloc(c) 377# define KFREE(x) free(x) 378# define KFREES(x,s) free(x) 379# define GETIFP(x, v) get_unit(x,v) 380# define GETIFMTU_4(x) 2048 381# define GETIFMTU_6(x) 2048 382# define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 383# define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 384# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 385 (b), (l)) 386# define COPYBACK(m, o, l, b) bcopy((b), \ 387 MTOD((mb_t *)m, char *) + (o), \ 388 (l)) 389# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 390extern void m_copydata __P((mb_t *, int, int, caddr_t)); 391extern int ipfuiomove __P((caddr_t, int, int, struct uio *)); 392extern int bcopywrap __P((void *, void *, size_t)); 393extern mb_t *allocmbt __P((size_t)); 394extern mb_t *dupmbt __P((mb_t *)); 395extern void freembt __P((mb_t *)); 396 397# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 398 __FILE__, __LINE__) 399# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 400 __FILE__, __LINE__) 401# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 402 __FILE__, __LINE__) 403# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 404 __FILE__, __LINE__) 405# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 406 407# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 408 __FILE__, __LINE__) 409# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 410 __FILE__, __LINE__) 411# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 412# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 413# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 414# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 415 __FILE__, \ 416 __LINE__) 417 418# define USE_MUTEXES 1 419 420extern void eMmutex_destroy __P((eMmutex_t *, char *, int)); 421extern void eMmutex_enter __P((eMmutex_t *, char *, int)); 422extern void eMmutex_exit __P((eMmutex_t *, char *, int)); 423extern void eMmutex_init __P((eMmutex_t *, char *, char *, int)); 424extern void eMrwlock_destroy __P((eMrwlock_t *)); 425extern void eMrwlock_exit __P((eMrwlock_t *)); 426extern void eMrwlock_init __P((eMrwlock_t *, char *)); 427extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int)); 428extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int)); 429extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int)); 430 431#endif 432 433extern mb_t *allocmbt(size_t); 434 435#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 436 437#ifndef IP_OFFMASK 438# define IP_OFFMASK 0x1fff 439#endif 440 441 442/* 443 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 444 * object. 445 */ 446#if !defined(__amd64__) && BSD_GT_YEAR(199306) 447# define USE_QUAD_T 448# define U_QUAD_T unsigned long long 449# define QUAD_T long long 450#else /* BSD > 199306 */ 451# if !defined(U_QUAD_T) 452# define U_QUAD_T u_long 453# define QUAD_T long 454# endif 455#endif /* BSD > 199306 */ 456 457 458#ifdef USE_INET6 459# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \ 460 defined(__osf__) || defined(linux) 461# include <netinet/ip6.h> 462# include <netinet/icmp6.h> 463# if defined(_KERNEL) && !defined(__osf__) 464# include <netinet6/ip6_var.h> 465# endif 466typedef struct ip6_hdr ip6_t; 467# endif 468#endif 469 470#ifndef MAX 471# define MAX(a,b) (((a) > (b)) ? (a) : (b)) 472#endif 473 474#if defined(_KERNEL) 475# if defined(MENTAT) && !defined(INSTANCES) 476# define COPYDATA mb_copydata 477# define COPYBACK mb_copyback 478# else 479# define COPYDATA m_copydata 480# define COPYBACK m_copyback 481# endif 482# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 483 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \ 484 defined(_BSDI_VERSION) 485# include <vm/vm.h> 486# endif 487# if !defined(__FreeBSD__) || FREEBSD_GE_REV(300000) 488# if NETBSD_GE_REV(105180000) || OPENBSD_GE_REV(200111) 489# include <uvm/uvm_extern.h> 490# else 491# include <vm/vm_extern.h> 492extern vm_map_t kmem_map; 493# endif 494# include <sys/proc.h> 495# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 496# include <vm/vm_kern.h> 497# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 498 499# ifdef IPFILTER_M_IPFILTER 500# include <sys/malloc.h> 501MALLOC_DECLARE(M_IPFILTER); 502# define _M_IPF M_IPFILTER 503# else /* IPFILTER_M_IPFILTER */ 504# ifdef M_PFIL 505# define _M_IPF M_PFIL 506# else 507# ifdef M_IPFILTER 508# define _M_IPF M_IPFILTER 509# else 510# define _M_IPF M_TEMP 511# endif /* M_IPFILTER */ 512# endif /* M_PFIL */ 513# endif /* IPFILTER_M_IPFILTER */ 514# if !defined(KMALLOC) 515# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT) 516# endif 517# if !defined(KMALLOCS) 518# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT) 519# endif 520# if !defined(KFREE) 521# define KFREE(x) FREE((x), _M_IPF) 522# endif 523# if !defined(KFREES) 524# define KFREES(x,s) FREE((x), _M_IPF) 525# endif 526# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 527# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 528# define WAKEUP(id,x) wakeup(id+x) 529# if !defined(POLLWAKEUP) 530# define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 531# endif 532# define GETIFP(n, v) ifunit(n) 533# define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 534# define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 535 536# if !defined(USE_MUTEXES) && !defined(SPL_NET) 537# define SPL_IMP(x) x = splimp() 538# define SPL_NET(x) x = splnet() 539# if !defined(SPL_SCHED) 540# define SPL_SCHED(x) x = splsched() 541# endif 542# define SPL_X(x) (void) splx(x) 543# endif /* !USE_MUTEXES */ 544 545# ifndef FREE_MB_T 546# define FREE_MB_T(m) m_freem(m) 547# endif 548# ifndef ALLOC_MB_T 549# ifdef MGETHDR 550# define ALLOC_MB_T(m,l) do { \ 551 MGETHDR((m), M_DONTWAIT, MT_HEADER); \ 552 if ((m) != NULL) { \ 553 (m)->m_len = (l); \ 554 (m)->m_pkthdr.len = (l); \ 555 } \ 556 } while (0) 557# else 558# define ALLOC_MB_T(m,l) do { \ 559 MGET((m), M_DONTWAIT, MT_HEADER); \ 560 if ((m) != NULL) { \ 561 (m)->m_len = (l); \ 562 (m)->m_pkthdr.len = (l); \ 563 } \ 564 } while (0) 565# endif 566# endif 567# ifndef PREP_MB_T 568# define PREP_MB_T(f, m) do { \ 569 mb_t *_o = *(f)->fin_mp; \ 570 (m)->m_next = _o; \ 571 *(fin)->fin_mp = (m); \ 572 if (_o->m_flags & M_PKTHDR) { \ 573 (m)->m_pkthdr.len += \ 574 _o->m_pkthdr.len; \ 575 (m)->m_pkthdr.rcvif = \ 576 _o->m_pkthdr.rcvif; \ 577 } \ 578 } while (0) 579# endif 580# ifndef M_DUP 581# ifdef M_COPYALL 582# define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 583# else 584# define M_DUP(m) m_dup(m) 585# endif 586# endif 587 588# ifndef MTOD 589# define MTOD(m,t) mtod(m,t) 590# endif 591 592# ifndef COPYIN 593# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 594# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 595# endif 596 597# ifndef KMALLOC 598# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 599 KMEM_NOSLEEP) 600# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 601# endif 602 603# ifndef GET_MINOR 604# define GET_MINOR(x) dev2unit(x) 605# endif 606# define PANIC(x,y) if (x) panic y 607#endif /* _KERNEL */ 608 609#if !defined(IFNAME) && !defined(_KERNEL) 610# define IFNAME(x) get_ifname((struct ifnet *)x) 611#endif 612#ifndef COPYIFNAME 613# define NEED_FRGETIFNAME 614extern char *ipf_getifname __P((struct ifnet *, char *)); 615# define COPYIFNAME(v, x, b) \ 616 ipf_getifname((struct ifnet *)x, b) 617#endif 618 619#ifndef ASSERT 620# ifdef _KERNEL 621# define ASSERT(x) 622# else 623# define ASSERT(x) do { if (!(x)) abort(); } while (0) 624# endif 625#endif 626 627#ifndef BCOPYIN 628# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 629# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 630#endif 631 632/* 633 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 634 * would mean all normal code that walks through strings needed casts. Yuck. 635 */ 636#define ISALNUM(x) isalnum((u_char)(x)) 637#define ISALPHA(x) isalpha((u_char)(x)) 638#define ISDIGIT(x) isdigit((u_char)(x)) 639#define ISSPACE(x) isspace((u_char)(x)) 640#define ISUPPER(x) isupper((u_char)(x)) 641#define ISXDIGIT(x) isxdigit((u_char)(x)) 642#define ISLOWER(x) islower((u_char)(x)) 643#define TOUPPER(x) toupper((u_char)(x)) 644#define TOLOWER(x) tolower((u_char)(x)) 645 646/* 647 * If mutexes aren't being used, turn all the mutex functions into null-ops. 648 */ 649#if !defined(USE_MUTEXES) 650# define USE_SPL 1 651# undef RW_DESTROY 652# undef MUTEX_INIT 653# undef MUTEX_NUKE 654# undef MUTEX_DESTROY 655# define MUTEX_ENTER(x) ; 656# define READ_ENTER(x) ; 657# define WRITE_ENTER(x) ; 658# define MUTEX_DOWNGRADE(x) ; 659# define RWLOCK_INIT(x, y) ; 660# define RWLOCK_EXIT(x) ; 661# define RW_DESTROY(x) ; 662# define MUTEX_EXIT(x) ; 663# define MUTEX_INIT(x,y) ; 664# define MUTEX_DESTROY(x) ; 665# define MUTEX_NUKE(x) ; 666#endif /* !USE_MUTEXES */ 667#ifndef ATOMIC_INC 668# define ATOMIC_INC(x) (x)++ 669# define ATOMIC_DEC(x) (x)-- 670#endif 671 672#if defined(USE_SPL) && defined(_KERNEL) 673# define SPL_INT(x) int x 674#else 675# define SPL_INT(x) 676#endif 677 678/* 679 * If there are no atomic operations for bit sizes defined, define them to all 680 * use a generic one that works for all sizes. 681 */ 682#ifndef ATOMIC_INCL 683# define ATOMIC_INCL ATOMIC_INC 684# define ATOMIC_INC64 ATOMIC_INC 685# define ATOMIC_INC32 ATOMIC_INC 686# define ATOMIC_DECL ATOMIC_DEC 687# define ATOMIC_DEC64 ATOMIC_DEC 688# define ATOMIC_DEC32 ATOMIC_DEC 689#endif 690 691#ifndef HDR_T_PRIVATE 692typedef struct tcphdr tcphdr_t; 693typedef struct udphdr udphdr_t; 694#endif 695typedef struct icmp icmphdr_t; 696typedef struct ip ip_t; 697typedef struct ether_header ether_header_t; 698typedef struct tcpiphdr tcpiphdr_t; 699 700#ifndef FR_GROUPLEN 701# define FR_GROUPLEN 16 702#endif 703 704#ifndef offsetof 705# define offsetof(t,m) (size_t)((&((t *)0L)->m)) 706#endif 707#ifndef stsizeof 708# define stsizeof(t,m) sizeof(((t *)0L)->m) 709#endif 710 711/* 712 * This set of macros has been brought about because on Tru64 it is not 713 * possible to easily assign or examine values in a structure that are 714 * bit fields. 715 */ 716#ifndef IP_V 717# define IP_V(x) (x)->ip_v 718#endif 719#ifndef IP_V_A 720# define IP_V_A(x,y) (x)->ip_v = (y) 721#endif 722#ifndef IP_HL 723# define IP_HL(x) (x)->ip_hl 724#endif 725#ifndef IP_HL_A 726# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 727#endif 728#ifndef TCP_X2 729# define TCP_X2(x) (x)->th_x2 730#endif 731#ifndef TCP_X2_A 732# define TCP_X2_A(x,y) (x)->th_x2 = (y) 733#endif 734#ifndef TCP_OFF 735# define TCP_OFF(x) (x)->th_off 736#endif 737#ifndef TCP_OFF_A 738# define TCP_OFF_A(x,y) (x)->th_off = (y) 739#endif 740#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 741 742 743/* 744 * XXX - This is one of those *awful* hacks which nobody likes 745 */ 746#ifdef ultrix 747#define A_A 748#else 749#define A_A & 750#endif 751 752#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 753 TH_ECN|TH_CWR) 754 755#if BSD_GE_YEAR(199306) && !defined(m_act) 756# define m_act m_nextpkt 757#endif 758 759/* 760 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 761 * 762 * Basic Option 763 * 764 * 00000001 - (Reserved 4) 765 * 00111101 - Top Secret 766 * 01011010 - Secret 767 * 10010110 - Confidential 768 * 01100110 - (Reserved 3) 769 * 11001100 - (Reserved 2) 770 * 10101011 - Unclassified 771 * 11110001 - (Reserved 1) 772 */ 773#define IPSO_CLASS_RES4 0x01 774#define IPSO_CLASS_TOPS 0x3d 775#define IPSO_CLASS_SECR 0x5a 776#define IPSO_CLASS_CONF 0x96 777#define IPSO_CLASS_RES3 0x66 778#define IPSO_CLASS_RES2 0xcc 779#define IPSO_CLASS_UNCL 0xab 780#define IPSO_CLASS_RES1 0xf1 781 782#define IPSO_AUTH_GENSER 0x80 783#define IPSO_AUTH_ESI 0x40 784#define IPSO_AUTH_SCI 0x20 785#define IPSO_AUTH_NSA 0x10 786#define IPSO_AUTH_DOE 0x08 787#define IPSO_AUTH_UN 0x06 788#define IPSO_AUTH_FTE 0x01 789 790/* 791 * IP option #defines 792 */ 793#undef IPOPT_RR 794#define IPOPT_RR 7 795#undef IPOPT_ZSU 796#define IPOPT_ZSU 10 /* ZSU */ 797#undef IPOPT_MTUP 798#define IPOPT_MTUP 11 /* MTUP */ 799#undef IPOPT_MTUR 800#define IPOPT_MTUR 12 /* MTUR */ 801#undef IPOPT_ENCODE 802#define IPOPT_ENCODE 15 /* ENCODE */ 803#undef IPOPT_TS 804#define IPOPT_TS 68 805#undef IPOPT_TR 806#define IPOPT_TR 82 /* TR */ 807#undef IPOPT_SECURITY 808#define IPOPT_SECURITY 130 809#undef IPOPT_LSRR 810#define IPOPT_LSRR 131 811#undef IPOPT_E_SEC 812#define IPOPT_E_SEC 133 /* E-SEC */ 813#undef IPOPT_CIPSO 814#define IPOPT_CIPSO 134 /* CIPSO */ 815#undef IPOPT_SATID 816#define IPOPT_SATID 136 817#ifndef IPOPT_SID 818# define IPOPT_SID IPOPT_SATID 819#endif 820#undef IPOPT_SSRR 821#define IPOPT_SSRR 137 822#undef IPOPT_ADDEXT 823#define IPOPT_ADDEXT 147 /* ADDEXT */ 824#undef IPOPT_VISA 825#define IPOPT_VISA 142 /* VISA */ 826#undef IPOPT_IMITD 827#define IPOPT_IMITD 144 /* IMITD */ 828#undef IPOPT_EIP 829#define IPOPT_EIP 145 /* EIP */ 830#undef IPOPT_RTRALRT 831#define IPOPT_RTRALRT 148 /* RTRALRT */ 832#undef IPOPT_SDB 833#define IPOPT_SDB 149 834#undef IPOPT_NSAPA 835#define IPOPT_NSAPA 150 836#undef IPOPT_DPS 837#define IPOPT_DPS 151 838#undef IPOPT_UMP 839#define IPOPT_UMP 152 840#undef IPOPT_FINN 841#define IPOPT_FINN 205 /* FINN */ 842#undef IPOPT_AH 843#define IPOPT_AH 256+IPPROTO_AH 844 845#ifndef TCPOPT_EOL 846# define TCPOPT_EOL 0 847#endif 848#ifndef TCPOPT_NOP 849# define TCPOPT_NOP 1 850#endif 851#ifndef TCPOPT_MAXSEG 852# define TCPOPT_MAXSEG 2 853#endif 854#ifndef TCPOLEN_MAXSEG 855# define TCPOLEN_MAXSEG 4 856#endif 857#ifndef TCPOPT_WINDOW 858# define TCPOPT_WINDOW 3 859#endif 860#ifndef TCPOLEN_WINDOW 861# define TCPOLEN_WINDOW 3 862#endif 863#ifndef TCPOPT_SACK_PERMITTED 864# define TCPOPT_SACK_PERMITTED 4 865#endif 866#ifndef TCPOLEN_SACK_PERMITTED 867# define TCPOLEN_SACK_PERMITTED 2 868#endif 869#ifndef TCPOPT_SACK 870# define TCPOPT_SACK 5 871#endif 872#ifndef TCPOPT_TIMESTAMP 873# define TCPOPT_TIMESTAMP 8 874#endif 875 876#ifndef ICMP_MINLEN 877# define ICMP_MINLEN 8 878#endif 879#ifndef ICMP_ECHOREPLY 880# define ICMP_ECHOREPLY 0 881#endif 882#ifndef ICMP_UNREACH 883# define ICMP_UNREACH 3 884#endif 885#ifndef ICMP_UNREACH_NET 886# define ICMP_UNREACH_NET 0 887#endif 888#ifndef ICMP_UNREACH_HOST 889# define ICMP_UNREACH_HOST 1 890#endif 891#ifndef ICMP_UNREACH_PROTOCOL 892# define ICMP_UNREACH_PROTOCOL 2 893#endif 894#ifndef ICMP_UNREACH_PORT 895# define ICMP_UNREACH_PORT 3 896#endif 897#ifndef ICMP_UNREACH_NEEDFRAG 898# define ICMP_UNREACH_NEEDFRAG 4 899#endif 900#ifndef ICMP_UNREACH_SRCFAIL 901# define ICMP_UNREACH_SRCFAIL 5 902#endif 903#ifndef ICMP_UNREACH_NET_UNKNOWN 904# define ICMP_UNREACH_NET_UNKNOWN 6 905#endif 906#ifndef ICMP_UNREACH_HOST_UNKNOWN 907# define ICMP_UNREACH_HOST_UNKNOWN 7 908#endif 909#ifndef ICMP_UNREACH_ISOLATED 910# define ICMP_UNREACH_ISOLATED 8 911#endif 912#ifndef ICMP_UNREACH_NET_PROHIB 913# define ICMP_UNREACH_NET_PROHIB 9 914#endif 915#ifndef ICMP_UNREACH_HOST_PROHIB 916# define ICMP_UNREACH_HOST_PROHIB 10 917#endif 918#ifndef ICMP_UNREACH_TOSNET 919# define ICMP_UNREACH_TOSNET 11 920#endif 921#ifndef ICMP_UNREACH_TOSHOST 922# define ICMP_UNREACH_TOSHOST 12 923#endif 924#ifndef ICMP_UNREACH_ADMIN_PROHIBIT 925# define ICMP_UNREACH_ADMIN_PROHIBIT 13 926#endif 927#ifndef ICMP_UNREACH_FILTER 928# define ICMP_UNREACH_FILTER 13 929#endif 930#ifndef ICMP_UNREACH_HOST_PRECEDENCE 931# define ICMP_UNREACH_HOST_PRECEDENCE 14 932#endif 933#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF 934# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 935#endif 936#ifndef ICMP_SOURCEQUENCH 937# define ICMP_SOURCEQUENCH 4 938#endif 939#ifndef ICMP_REDIRECT_NET 940# define ICMP_REDIRECT_NET 0 941#endif 942#ifndef ICMP_REDIRECT_HOST 943# define ICMP_REDIRECT_HOST 1 944#endif 945#ifndef ICMP_REDIRECT_TOSNET 946# define ICMP_REDIRECT_TOSNET 2 947#endif 948#ifndef ICMP_REDIRECT_TOSHOST 949# define ICMP_REDIRECT_TOSHOST 3 950#endif 951#ifndef ICMP_ALTHOSTADDR 952# define ICMP_ALTHOSTADDR 6 953#endif 954#ifndef ICMP_TIMXCEED 955# define ICMP_TIMXCEED 11 956#endif 957#ifndef ICMP_TIMXCEED_INTRANS 958# define ICMP_TIMXCEED_INTRANS 0 959#endif 960#ifndef ICMP_TIMXCEED_REASS 961# define ICMP_TIMXCEED_REASS 1 962#endif 963#ifndef ICMP_PARAMPROB 964# define ICMP_PARAMPROB 12 965#endif 966#ifndef ICMP_PARAMPROB_ERRATPTR 967# define ICMP_PARAMPROB_ERRATPTR 0 968#endif 969#ifndef ICMP_PARAMPROB_OPTABSENT 970# define ICMP_PARAMPROB_OPTABSENT 1 971#endif 972#ifndef ICMP_PARAMPROB_LENGTH 973# define ICMP_PARAMPROB_LENGTH 2 974#endif 975#ifndef ICMP_TSTAMP 976# define ICMP_TSTAMP 13 977#endif 978#ifndef ICMP_TSTAMPREPLY 979# define ICMP_TSTAMPREPLY 14 980#endif 981#ifndef ICMP_IREQ 982# define ICMP_IREQ 15 983#endif 984#ifndef ICMP_IREQREPLY 985# define ICMP_IREQREPLY 16 986#endif 987#ifndef ICMP_MASKREQ 988# define ICMP_MASKREQ 17 989#endif 990#ifndef ICMP_MASKREPLY 991# define ICMP_MASKREPLY 18 992#endif 993#ifndef ICMP_TRACEROUTE 994# define ICMP_TRACEROUTE 30 995#endif 996#ifndef ICMP_DATACONVERR 997# define ICMP_DATACONVERR 31 998#endif 999#ifndef ICMP_MOBILE_REDIRECT 1000# define ICMP_MOBILE_REDIRECT 32 1001#endif 1002#ifndef ICMP_IPV6_WHEREAREYOU 1003# define ICMP_IPV6_WHEREAREYOU 33 1004#endif 1005#ifndef ICMP_IPV6_IAMHERE 1006# define ICMP_IPV6_IAMHERE 34 1007#endif 1008#ifndef ICMP_MOBILE_REGREQUEST 1009# define ICMP_MOBILE_REGREQUEST 35 1010#endif 1011#ifndef ICMP_MOBILE_REGREPLY 1012# define ICMP_MOBILE_REGREPLY 36 1013#endif 1014#ifndef ICMP_SKIP 1015# define ICMP_SKIP 39 1016#endif 1017#ifndef ICMP_PHOTURIS 1018# define ICMP_PHOTURIS 40 1019#endif 1020#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX 1021# define ICMP_PHOTURIS_UNKNOWN_INDEX 1 1022#endif 1023#ifndef ICMP_PHOTURIS_AUTH_FAILED 1024# define ICMP_PHOTURIS_AUTH_FAILED 2 1025#endif 1026#ifndef ICMP_PHOTURIS_DECRYPT_FAILED 1027# define ICMP_PHOTURIS_DECRYPT_FAILED 3 1028#endif 1029#ifndef IPVERSION 1030# define IPVERSION 4 1031#endif 1032#ifndef IPOPT_MINOFF 1033# define IPOPT_MINOFF 4 1034#endif 1035#ifndef IPOPT_COPIED 1036# define IPOPT_COPIED(x) ((x)&0x80) 1037#endif 1038#ifndef IPOPT_EOL 1039# define IPOPT_EOL 0 1040#endif 1041#ifndef IPOPT_NOP 1042# define IPOPT_NOP 1 1043#endif 1044#ifndef IP_MF 1045# define IP_MF ((u_short)0x2000) 1046#endif 1047#ifndef ETHERTYPE_IP 1048# define ETHERTYPE_IP ((u_short)0x0800) 1049#endif 1050#ifndef TH_FIN 1051# define TH_FIN 0x01 1052#endif 1053#ifndef TH_SYN 1054# define TH_SYN 0x02 1055#endif 1056#ifndef TH_RST 1057# define TH_RST 0x04 1058#endif 1059#ifndef TH_PUSH 1060# define TH_PUSH 0x08 1061#endif 1062#ifndef TH_ACK 1063# define TH_ACK 0x10 1064#endif 1065#ifndef TH_URG 1066# define TH_URG 0x20 1067#endif 1068#undef TH_ACKMASK 1069#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 1070 1071#ifndef IPOPT_EOL 1072# define IPOPT_EOL 0 1073#endif 1074#ifndef IPOPT_NOP 1075# define IPOPT_NOP 1 1076#endif 1077#ifndef IPOPT_RR 1078# define IPOPT_RR 7 1079#endif 1080#ifndef IPOPT_TS 1081# define IPOPT_TS 68 1082#endif 1083#ifndef IPOPT_SECURITY 1084# define IPOPT_SECURITY 130 1085#endif 1086#ifndef IPOPT_LSRR 1087# define IPOPT_LSRR 131 1088#endif 1089#ifndef IPOPT_SATID 1090# define IPOPT_SATID 136 1091#endif 1092#ifndef IPOPT_SSRR 1093# define IPOPT_SSRR 137 1094#endif 1095#ifndef IPOPT_SECUR_UNCLASS 1096# define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 1097#endif 1098#ifndef IPOPT_SECUR_CONFID 1099# define IPOPT_SECUR_CONFID ((u_short)0xf135) 1100#endif 1101#ifndef IPOPT_SECUR_EFTO 1102# define IPOPT_SECUR_EFTO ((u_short)0x789a) 1103#endif 1104#ifndef IPOPT_SECUR_MMMM 1105# define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 1106#endif 1107#ifndef IPOPT_SECUR_RESTR 1108# define IPOPT_SECUR_RESTR ((u_short)0xaf13) 1109#endif 1110#ifndef IPOPT_SECUR_SECRET 1111# define IPOPT_SECUR_SECRET ((u_short)0xd788) 1112#endif 1113#ifndef IPOPT_SECUR_TOPSECRET 1114# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 1115#endif 1116#ifndef IPOPT_OLEN 1117# define IPOPT_OLEN 1 1118#endif 1119#ifndef IPPROTO_HOPOPTS 1120# define IPPROTO_HOPOPTS 0 1121#endif 1122#ifndef IPPROTO_IPIP 1123# define IPPROTO_IPIP 4 1124#endif 1125#ifndef IPPROTO_ENCAP 1126# define IPPROTO_ENCAP 98 1127#endif 1128#ifndef IPPROTO_IPV6 1129# define IPPROTO_IPV6 41 1130#endif 1131#ifndef IPPROTO_ROUTING 1132# define IPPROTO_ROUTING 43 1133#endif 1134#ifndef IPPROTO_FRAGMENT 1135# define IPPROTO_FRAGMENT 44 1136#endif 1137#ifndef IPPROTO_GRE 1138# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 1139#endif 1140#ifndef IPPROTO_ESP 1141# define IPPROTO_ESP 50 1142#endif 1143#ifndef IPPROTO_AH 1144# define IPPROTO_AH 51 1145#endif 1146#ifndef IPPROTO_ICMPV6 1147# define IPPROTO_ICMPV6 58 1148#endif 1149#ifndef IPPROTO_NONE 1150# define IPPROTO_NONE 59 1151#endif 1152#ifndef IPPROTO_DSTOPTS 1153# define IPPROTO_DSTOPTS 60 1154#endif 1155#ifndef IPPROTO_MOBILITY 1156# define IPPROTO_MOBILITY 135 1157#endif 1158 1159#ifndef ICMP_ROUTERADVERT 1160# define ICMP_ROUTERADVERT 9 1161#endif 1162#ifndef ICMP_ROUTERSOLICIT 1163# define ICMP_ROUTERSOLICIT 10 1164#endif 1165#ifndef ICMP6_DST_UNREACH 1166# define ICMP6_DST_UNREACH 1 1167#endif 1168#ifndef ICMP6_PACKET_TOO_BIG 1169# define ICMP6_PACKET_TOO_BIG 2 1170#endif 1171#ifndef ICMP6_TIME_EXCEEDED 1172# define ICMP6_TIME_EXCEEDED 3 1173#endif 1174#ifndef ICMP6_PARAM_PROB 1175# define ICMP6_PARAM_PROB 4 1176#endif 1177 1178#ifndef ICMP6_ECHO_REQUEST 1179# define ICMP6_ECHO_REQUEST 128 1180#endif 1181#ifndef ICMP6_ECHO_REPLY 1182# define ICMP6_ECHO_REPLY 129 1183#endif 1184#ifndef ICMP6_MEMBERSHIP_QUERY 1185# define ICMP6_MEMBERSHIP_QUERY 130 1186#endif 1187#ifndef MLD6_LISTENER_QUERY 1188# define MLD6_LISTENER_QUERY 130 1189#endif 1190#ifndef ICMP6_MEMBERSHIP_REPORT 1191# define ICMP6_MEMBERSHIP_REPORT 131 1192#endif 1193#ifndef MLD6_LISTENER_REPORT 1194# define MLD6_LISTENER_REPORT 131 1195#endif 1196#ifndef ICMP6_MEMBERSHIP_REDUCTION 1197# define ICMP6_MEMBERSHIP_REDUCTION 132 1198#endif 1199#ifndef MLD6_LISTENER_DONE 1200# define MLD6_LISTENER_DONE 132 1201#endif 1202#ifndef ND_ROUTER_SOLICIT 1203# define ND_ROUTER_SOLICIT 133 1204#endif 1205#ifndef ND_ROUTER_ADVERT 1206# define ND_ROUTER_ADVERT 134 1207#endif 1208#ifndef ND_NEIGHBOR_SOLICIT 1209# define ND_NEIGHBOR_SOLICIT 135 1210#endif 1211#ifndef ND_NEIGHBOR_ADVERT 1212# define ND_NEIGHBOR_ADVERT 136 1213#endif 1214#ifndef ND_REDIRECT 1215# define ND_REDIRECT 137 1216#endif 1217#ifndef ICMP6_ROUTER_RENUMBERING 1218# define ICMP6_ROUTER_RENUMBERING 138 1219#endif 1220#ifndef ICMP6_WRUREQUEST 1221# define ICMP6_WRUREQUEST 139 1222#endif 1223#ifndef ICMP6_WRUREPLY 1224# define ICMP6_WRUREPLY 140 1225#endif 1226#ifndef ICMP6_FQDN_QUERY 1227# define ICMP6_FQDN_QUERY 139 1228#endif 1229#ifndef ICMP6_FQDN_REPLY 1230# define ICMP6_FQDN_REPLY 140 1231#endif 1232#ifndef ICMP6_NI_QUERY 1233# define ICMP6_NI_QUERY 139 1234#endif 1235#ifndef ICMP6_NI_REPLY 1236# define ICMP6_NI_REPLY 140 1237#endif 1238#ifndef MLD6_MTRACE_RESP 1239# define MLD6_MTRACE_RESP 200 1240#endif 1241#ifndef MLD6_MTRACE 1242# define MLD6_MTRACE 201 1243#endif 1244#ifndef ICMP6_HADISCOV_REQUEST 1245# define ICMP6_HADISCOV_REQUEST 202 1246#endif 1247#ifndef ICMP6_HADISCOV_REPLY 1248# define ICMP6_HADISCOV_REPLY 203 1249#endif 1250#ifndef ICMP6_MOBILEPREFIX_SOLICIT 1251# define ICMP6_MOBILEPREFIX_SOLICIT 204 1252#endif 1253#ifndef ICMP6_MOBILEPREFIX_ADVERT 1254# define ICMP6_MOBILEPREFIX_ADVERT 205 1255#endif 1256#ifndef ICMP6_MAXTYPE 1257# define ICMP6_MAXTYPE 205 1258#endif 1259 1260#ifndef ICMP6_DST_UNREACH_NOROUTE 1261# define ICMP6_DST_UNREACH_NOROUTE 0 1262#endif 1263#ifndef ICMP6_DST_UNREACH_ADMIN 1264# define ICMP6_DST_UNREACH_ADMIN 1 1265#endif 1266#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1267# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1268#endif 1269#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1270# define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1271#endif 1272#ifndef ICMP6_DST_UNREACH_ADDR 1273# define ICMP6_DST_UNREACH_ADDR 3 1274#endif 1275#ifndef ICMP6_DST_UNREACH_NOPORT 1276# define ICMP6_DST_UNREACH_NOPORT 4 1277#endif 1278#ifndef ICMP6_TIME_EXCEED_TRANSIT 1279# define ICMP6_TIME_EXCEED_TRANSIT 0 1280#endif 1281#ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1282# define ICMP6_TIME_EXCEED_REASSEMBLY 1 1283#endif 1284 1285#ifndef ICMP6_NI_SUCCESS 1286# define ICMP6_NI_SUCCESS 0 1287#endif 1288#ifndef ICMP6_NI_REFUSED 1289# define ICMP6_NI_REFUSED 1 1290#endif 1291#ifndef ICMP6_NI_UNKNOWN 1292# define ICMP6_NI_UNKNOWN 2 1293#endif 1294 1295#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1296# define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1297#endif 1298#ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1299# define ICMP6_ROUTER_RENUMBERING_RESULT 1 1300#endif 1301#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1302# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1303#endif 1304 1305#ifndef ICMP6_PARAMPROB_HEADER 1306# define ICMP6_PARAMPROB_HEADER 0 1307#endif 1308#ifndef ICMP6_PARAMPROB_NEXTHEADER 1309# define ICMP6_PARAMPROB_NEXTHEADER 1 1310#endif 1311#ifndef ICMP6_PARAMPROB_OPTION 1312# define ICMP6_PARAMPROB_OPTION 2 1313#endif 1314 1315#ifndef ICMP6_NI_SUBJ_IPV6 1316# define ICMP6_NI_SUBJ_IPV6 0 1317#endif 1318#ifndef ICMP6_NI_SUBJ_FQDN 1319# define ICMP6_NI_SUBJ_FQDN 1 1320#endif 1321#ifndef ICMP6_NI_SUBJ_IPV4 1322# define ICMP6_NI_SUBJ_IPV4 2 1323#endif 1324 1325#ifndef MLD_MTRACE_RESP 1326# define MLD_MTRACE_RESP 200 1327#endif 1328#ifndef MLD_MTRACE 1329# define MLD_MTRACE 201 1330#endif 1331#ifndef MLD6_MTRACE_RESP 1332# define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1333#endif 1334#ifndef MLD6_MTRACE 1335# define MLD6_MTRACE MLD_MTRACE 1336#endif 1337 1338#if !defined(IPV6_FLOWINFO_MASK) 1339# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1340# define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1341# else 1342# if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1343# define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1344# endif /* LITTLE_ENDIAN */ 1345# endif 1346#endif 1347#if !defined(IPV6_FLOWLABEL_MASK) 1348# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1349# define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1350# else 1351# if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1352# define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1353# endif /* LITTLE_ENDIAN */ 1354# endif 1355#endif 1356 1357/* 1358 * ECN is a new addition to TCP - RFC 2481 1359 */ 1360#ifndef TH_ECN 1361# define TH_ECN 0x40 1362#endif 1363#ifndef TH_CWR 1364# define TH_CWR 0x80 1365#endif 1366#define TH_ECNALL (TH_ECN|TH_CWR) 1367 1368/* 1369 * TCP States 1370 */ 1371#define IPF_TCPS_LISTEN 0 /* listening for connection */ 1372#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1373#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1374#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1375/* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1376#define IPF_TCPS_ESTABLISHED 4 /* established */ 1377#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1378/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1379#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1380#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1381#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1382/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1383#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1384#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1385#define IPF_TCPS_CLOSED 11 /* closed */ 1386#define IPF_TCP_NSTATES 12 1387 1388#define TCP_MSL 120 1389 1390#undef ICMP_MAX_UNREACH 1391#define ICMP_MAX_UNREACH 14 1392#undef ICMP_MAXTYPE 1393#define ICMP_MAXTYPE 18 1394 1395#ifndef IFNAMSIZ 1396#define IFNAMSIZ 16 1397#endif 1398 1399#ifndef LOG_FTP 1400# define LOG_FTP (11<<3) 1401#endif 1402#ifndef LOG_AUTHPRIV 1403# define LOG_AUTHPRIV (10<<3) 1404#endif 1405#ifndef LOG_AUDIT 1406# define LOG_AUDIT (13<<3) 1407#endif 1408#ifndef LOG_NTP 1409# define LOG_NTP (12<<3) 1410#endif 1411#ifndef LOG_SECURITY 1412# define LOG_SECURITY (13<<3) 1413#endif 1414#ifndef LOG_LFMT 1415# define LOG_LFMT (14<<3) 1416#endif 1417#ifndef LOG_CONSOLE 1418# define LOG_CONSOLE (14<<3) 1419#endif 1420 1421/* 1422 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1423 * another IP header and then 64 bits of data, totalling 56. Of course, 1424 * the last 64 bits is dependent on that being available. 1425 */ 1426#define ICMPERR_ICMPHLEN 8 1427#define ICMPERR_IPICMPHLEN (20 + 8) 1428#define ICMPERR_MINPKTLEN (20 + 8 + 20) 1429#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1430#define ICMP6ERR_MINPKTLEN (40 + 8) 1431#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1432 1433#ifndef MIN 1434# define MIN(a,b) (((a)<(b))?(a):(b)) 1435#endif 1436 1437#ifdef RESCUE 1438# undef IPFILTER_BPF 1439#endif 1440 1441#ifdef IPF_DEBUG 1442# define DPRINT(x) printf x 1443#else 1444# define DPRINT(x) 1445#endif 1446 1447#ifndef AF_INET6 1448# define AF_INET6 26 1449#endif 1450 1451#ifdef DTRACE_PROBE 1452# ifdef _KERNEL 1453# define DT(_n) DTRACE_PROBE(_n) 1454# define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1455# define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1456# define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1457 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1458# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1459 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1460# else 1461# define DT(_n) 1462# define DT1(_n,_a,_b) 1463# define DT2(_n,_a,_b,_c,_d) 1464# define DT3(_n,_a,_b,_c,_d,_e,_f) 1465# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1466# endif 1467#else 1468# define DT(_n) 1469# define DT1(_n,_a,_b) 1470# define DT2(_n,_a,_b,_c,_d) 1471# define DT3(_n,_a,_b,_c,_d,_e,_f) 1472# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1473#endif 1474 1475struct ip6_routing { 1476 u_char ip6r_nxt; /* next header */ 1477 u_char ip6r_len; /* length in units of 8 octets */ 1478 u_char ip6r_type; /* always zero */ 1479 u_char ip6r_segleft; /* segments left */ 1480 u_32_t ip6r_reserved; /* reserved field */ 1481}; 1482 1483#endif /* __IP_COMPAT_H__ */ 1484