1/* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * Id: ip_compat.h,v 2.142.2.57 2007/10/10 09:51:42 darrenr Exp $ 6 */ 7 8#ifndef __IP_COMPAT_H__ 9#define __IP_COMPAT_H__ 10 11#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 12# undef KERNEL 13# undef _KERNEL 14# undef __KERNEL__ 15# define KERNEL 16# define _KERNEL 17# define __KERNEL__ 18#endif 19 20#ifndef SOLARIS 21# if defined(sun) && defined(__SVR4) 22# define SOLARIS 1 23# else 24# define SOLARIS 0 25# endif 26#endif 27 28 29#if defined(__SVR4) 30# define index strchr 31# if !defined(_KERNEL) 32# define bzero(a,b) memset(a,0,b) 33# define bcmp memcmp 34# define bcopy(a,b,c) memmove(b,a,c) 35# endif 36#endif 37 38#ifndef LIFNAMSIZ 39# ifdef IF_NAMESIZE 40# define LIFNAMSIZ IF_NAMESIZE 41# else 42# ifdef IFNAMSIZ 43# define LIFNAMSIZ IFNAMSIZ 44# else 45# define LIFNAMSIZ 16 46# endif 47# endif 48#endif 49 50 51# define IPL_EXTERN(ep) ipl##ep 52 53/* 54 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 55 */ 56#ifndef _KERNEL 57# define ADD_KERNEL 58# define _KERNEL 59# define KERNEL 60#endif 61#include <sys/uio.h> 62#ifdef ADD_KERNEL 63# undef _KERNEL 64# undef KERNEL 65#endif 66 67#define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 68 (__NetBSD_Version__ >= (x))) 69#define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 70 (__NetBSD_Version__ > (x))) 71#define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 72 (__NetBSD_Version__ < (x))) 73 74 75/* ----------------------------------------------------------------------- */ 76/* F R E E B S D */ 77/* ----------------------------------------------------------------------- */ 78#define HAS_SYS_MD5_H 1 79#if defined(_KERNEL) 80# include "opt_bpf.h" 81# include "opt_inet6.h" 82# if defined(INET6) && !defined(USE_INET6) 83# define USE_INET6 84# endif 85#else 86# if !defined(USE_INET6) && !defined(NOINET6) 87# define USE_INET6 88# endif 89#endif 90 91#if defined(_KERNEL) 92# include <netinet/ip_var.h> 93# define p_cred td_ucred 94# define p_uid td_ucred->cr_ruid 95 96/* 97 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 98 * There may be other, safe, kernels but this is not extensively tested yet. 99 */ 100# define HAVE_M_PULLDOWN 101# if !defined(IPFILTER_LKM) && defined(__FreeBSD__) 102# include "opt_ipfilter.h" 103# endif 104# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 105# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 106 107#else 108# include <inttypes.h> 109#endif /* _KERNEL */ 110 111#include <sys/selinfo.h> 112#include <sys/lock.h> 113#include <sys/malloc.h> 114#include <sys/mutex.h> 115#define KRWLOCK_FILL_SZ 56 116#define KMUTEX_FILL_SZ 56 117#include <sys/rwlock.h> 118#define KMUTEX_T struct mtx 119#define KRWLOCK_T struct rwlock 120 121#ifdef _KERNEL 122# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 123# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 124# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 125# define MUTEX_TRY_UPGRADE(x) rw_try_upgrade(&(x)->ipf_lk) 126# define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 127# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 128# define RWLOCK_EXIT(x) do { \ 129 if (rw_wowned(&(x)->ipf_lk)) \ 130 rw_wunlock(&(x)->ipf_lk); \ 131 else \ 132 rw_runlock(&(x)->ipf_lk); \ 133 } while (0) 134# include <net/if_var.h> 135# include <net/if_private.h> 136# define GETKTIME(x) microtime((struct timeval *)x) 137# define if_addrlist if_addrhead 138 139# include <netinet/in_systm.h> 140# include <netinet/ip.h> 141# include <machine/in_cksum.h> 142 143# define USE_MUTEXES 144# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 145# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 146# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 147 MTX_DEF) 148# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 149# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 150/* 151 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 152 * for what we want to use them for, despite testing showing they work - 153 * with a WITNESS kernel, it generates LOR messages. 154 */ 155# include <machine/atomic.h> 156# define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 157 mtx_unlock(&softc->ipf_rw.ipf_lk); } 158# define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 159 mtx_unlock(&softc->ipf_rw.ipf_lk); } 160# define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 161# define ATOMIC_INC64(x) ATOMIC_INC(x) 162# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 163# define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 164# define ATOMIC_DEC64(x) ATOMIC_DEC(x) 165# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 166# define SPL_X(x) ; 167# define SPL_NET(x) ; 168# define SPL_IMP(x) ; 169# define SPL_SCHED(x) ; 170# define GET_MINOR dev2unit 171# define MSGDSIZE(m) mbufchainlen(m) 172# define M_LEN(m) (m)->m_len 173# define M_ADJ(m,x) m_adj(m, x) 174# define M_COPY(x) m_copym((x), 0, M_COPYALL, M_NOWAIT) 175# define M_DUP(m) m_dup(m, M_NOWAIT) 176# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 177typedef struct mbuf mb_t; 178 179#else /* !_KERNEL */ 180# ifndef _NET_IF_VAR_H_ 181/* 182 * Userland emulation of struct ifnet. 183 */ 184struct route; 185struct mbuf; 186struct ifnet { 187 char if_xname[IFNAMSIZ]; 188 STAILQ_HEAD(, ifaddr) if_addrlist; 189 int (*if_output)(struct ifnet *, struct mbuf *, 190 const struct sockaddr *, struct route *); 191}; 192# endif /* _NET_IF_VAR_H_ */ 193#endif /* _KERNEL */ 194 195#define IFNAME(x) ((struct ifnet *)x)->if_xname 196#define COPYIFNAME(v, x, b) \ 197 (void) strncpy(b, \ 198 ((struct ifnet *)x)->if_xname, \ 199 LIFNAMSIZ) 200 201typedef u_long ioctlcmd_t; 202typedef struct uio uio_t; 203typedef int minor_t; 204typedef u_int32_t u_32_t; 205# define U_32_T 1 206 207 208/* ----------------------------------------------------------------------- */ 209/* G E N E R I C */ 210/* ----------------------------------------------------------------------- */ 211 212/* 213 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 214 * filter rules. 215 */ 216#if !defined(IPFILTER_BPF) 217# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 218 (defined(NBPFILTER) && (NBPFILTER > 0)) 219# define IPFILTER_BPF 220# endif 221#endif 222 223/* 224 * Userland locking primitives 225 */ 226#ifndef _KERNEL 227# if !defined(KMUTEX_FILL_SZ) 228# define KMUTEX_FILL_SZ 1 229# endif 230# if !defined(KRWLOCK_FILL_SZ) 231# define KRWLOCK_FILL_SZ 1 232# endif 233#endif 234 235typedef struct { 236 char *eMm_owner; 237 char *eMm_heldin; 238 u_int eMm_magic; 239 int eMm_held; 240 int eMm_heldat; 241} eMmutex_t; 242 243typedef struct { 244 char *eMrw_owner; 245 char *eMrw_heldin; 246 u_int eMrw_magic; 247 short eMrw_read; 248 short eMrw_write; 249 int eMrw_heldat; 250} eMrwlock_t; 251 252typedef union { 253 char _fill[KMUTEX_FILL_SZ]; 254#ifdef KMUTEX_T 255 struct { 256 KMUTEX_T ipf_slk; 257 const char *ipf_lname; 258 } ipf_lkun_s; 259#endif 260 eMmutex_t ipf_emu; 261} ipfmutex_t; 262 263typedef union { 264 char _fill[KRWLOCK_FILL_SZ]; 265#ifdef KRWLOCK_T 266 struct { 267 KRWLOCK_T ipf_slk; 268 const char *ipf_lname; 269 int ipf_sr; 270 int ipf_sw; 271 u_int ipf_magic; 272 } ipf_lkun_s; 273#endif 274 eMrwlock_t ipf_emu; 275} ipfrwlock_t; 276 277#define ipf_lk ipf_lkun_s.ipf_slk 278#define ipf_lname ipf_lkun_s.ipf_lname 279#define ipf_isr ipf_lkun_s.ipf_sr 280#define ipf_isw ipf_lkun_s.ipf_sw 281#define ipf_magic ipf_lkun_s.ipf_magic 282 283#if defined(__FreeBSD__) && defined(_KERNEL) 284 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 285 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 286#endif 287 288 289/* 290 * In a non-kernel environment, there are a lot of macros that need to be 291 * filled in to be null-ops or to point to some compatibility function, 292 * somewhere in userland. 293 */ 294#ifndef _KERNEL 295typedef struct mb_s { 296 struct mb_s *mb_next; 297 char *mb_data; 298 void *mb_ifp; 299 int mb_len; 300 int mb_flags; 301 u_long mb_buf[2048]; 302} mb_t; 303# undef m_next 304# define m_next mb_next 305# undef m_len 306# define m_len mb_len 307# undef m_flags 308# define m_flags mb_flags 309# undef m_data 310# define m_data mb_data 311# undef M_MCAST 312# define M_MCAST 0x01 313# undef M_BCAST 314# define M_BCAST 0x02 315# undef M_MBCAST 316# define M_MBCAST 0x04 317# define MSGDSIZE(m) msgdsize(m) 318# define M_LEN(m) (m)->mb_len 319# define M_ADJ(m,x) (m)->mb_len += x 320# define M_COPY(m) dupmbt(m) 321# define M_DUP(m) dupmbt(m) 322# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 323# define MTOD(m, t) ((t)(m)->mb_data) 324# define FREE_MB_T(m) freembt(m) 325# define ALLOC_MB_T(m,l) (m) = allocmbt(l) 326# define PREP_MB_T(f, m) do { \ 327 (m)->mb_next = *(f)->fin_mp; \ 328 *(fin)->fin_mp = (m); \ 329 (f)->fin_m = (m); \ 330 } while (0) 331# define SLEEP(x,y) 1; 332# define WAKEUP(x,y) ; 333# define POLLWAKEUP(y) ; 334# define IPF_PANIC(x,y) ; 335# define PANIC(x,y) ; 336# define SPL_SCHED(x) ; 337# define SPL_NET(x) ; 338# define SPL_IMP(x) ; 339# define SPL_X(x) ; 340# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 341# define KMALLOCS(a,b,c) (a) = (b)malloc(c) 342# define KFREE(x) free(x) 343# define KFREES(x,s) free(x) 344# define GETIFP(x, v) get_unit(x,v) 345# define GETIFMTU_4(x) 2048 346# define GETIFMTU_6(x) 2048 347# define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 348# define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 349# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 350 (b), (l)) 351# define COPYBACK(m, o, l, b) bcopy((b), \ 352 MTOD((mb_t *)m, char *) + (o), \ 353 (l)) 354# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 355extern void m_copydata(mb_t *, int, int, caddr_t); 356extern int ipfuiomove(caddr_t, int, int, struct uio *); 357extern int bcopywrap(void *, void *, size_t); 358extern mb_t *allocmbt(size_t); 359extern mb_t *dupmbt(mb_t *); 360extern void freembt(mb_t *); 361 362# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 363 __FILE__, __LINE__) 364# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 365 __FILE__, __LINE__) 366# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 367 __FILE__, __LINE__) 368# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 369 __FILE__, __LINE__) 370# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 371 372# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 373 __FILE__, __LINE__) 374# define MUTEX_TRY_UPGRADE(x) eMrwlock_try_upgrade(&(x)->ipf_emu, \ 375 __FILE__, __LINE__) 376# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 377 __FILE__, __LINE__) 378# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 379# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 380# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 381# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 382 __FILE__, \ 383 __LINE__) 384 385# define USE_MUTEXES 1 386 387extern void eMmutex_destroy(eMmutex_t *, char *, int); 388extern void eMmutex_enter(eMmutex_t *, char *, int); 389extern void eMmutex_exit(eMmutex_t *, char *, int); 390extern void eMmutex_init(eMmutex_t *, char *, char *, int); 391extern void eMrwlock_destroy(eMrwlock_t *); 392extern void eMrwlock_exit(eMrwlock_t *); 393extern void eMrwlock_init(eMrwlock_t *, char *); 394extern void eMrwlock_read_enter(eMrwlock_t *, char *, int); 395extern void eMrwlock_write_enter(eMrwlock_t *, char *, int); 396extern void eMrwlock_downgrade(eMrwlock_t *, char *, int); 397 398#endif 399 400extern mb_t *allocmbt(size_t); 401 402#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 403 404#ifndef IP_OFFMASK 405# define IP_OFFMASK 0x1fff 406#endif 407 408 409/* 410 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 411 * object. 412 */ 413#if !defined(__amd64__) && !SOLARIS 414# define USE_QUAD_T 415# define U_QUAD_T unsigned long long 416# define QUAD_T long long 417#else /* BSD */ 418# if !defined(U_QUAD_T) 419# define U_QUAD_T u_long 420# define QUAD_T long 421# endif 422#endif /* BSD */ 423 424 425#ifdef USE_INET6 426# if defined(__NetBSD__) || defined(__FreeBSD__) 427# include <netinet/ip6.h> 428# include <netinet/icmp6.h> 429# if defined(_KERNEL) 430# include <netinet6/ip6_var.h> 431# endif 432typedef struct ip6_hdr ip6_t; 433# endif 434#endif 435 436#ifndef MAX 437# define MAX(a,b) (((a) > (b)) ? (a) : (b)) 438#endif 439 440#if defined(_KERNEL) 441# if SOLARIS && !defined(INSTANCES) 442# define COPYDATA mb_copydata 443# define COPYBACK mb_copyback 444# else 445# define COPYDATA m_copydata 446# define COPYBACK m_copyback 447# endif 448# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 449 defined(__FreeBSD__) 450# include <vm/vm.h> 451# endif 452# if NETBSD_GE_REV(105180000) 453# include <uvm/uvm_extern.h> 454# else 455# include <vm/vm_extern.h> 456extern vm_map_t kmem_map; 457# endif 458# include <sys/proc.h> 459 460# ifdef IPFILTER_M_IPFILTER 461# include <sys/malloc.h> 462MALLOC_DECLARE(M_IPFILTER); 463# define _M_IPF M_IPFILTER 464# else /* IPFILTER_M_IPFILTER */ 465# ifdef M_PFIL 466# define _M_IPF M_PFIL 467# else 468# ifdef M_IPFILTER 469# define _M_IPF M_IPFILTER 470# else 471# define _M_IPF M_TEMP 472# endif /* M_IPFILTER */ 473# endif /* M_PFIL */ 474# endif /* IPFILTER_M_IPFILTER */ 475# if !defined(KMALLOC) 476# define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT) 477# endif 478# if !defined(KMALLOCS) 479# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 480# endif 481# if !defined(KFREE) 482# define KFREE(x) free((x), _M_IPF) 483# endif 484# if !defined(KFREES) 485# define KFREES(x,s) free((x), _M_IPF) 486# endif 487# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 488# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 489# define WAKEUP(id,x) wakeup(id+x) 490# if !defined(POLLWAKEUP) 491# define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 492# endif 493# define GETIFP(n, v) ifunit(n) 494# define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 495# define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 496 497# if !defined(USE_MUTEXES) && !defined(SPL_NET) 498# define SPL_IMP(x) x = splimp() 499# define SPL_NET(x) x = splnet() 500# if !defined(SPL_SCHED) 501# define SPL_SCHED(x) x = splsched() 502# endif 503# define SPL_X(x) (void) splx(x) 504# endif /* !USE_MUTEXES */ 505 506# ifndef FREE_MB_T 507# define FREE_MB_T(m) m_freem(m) 508# endif 509# ifndef ALLOC_MB_T 510# ifdef MGETHDR 511# define ALLOC_MB_T(m,l) do { \ 512 MGETHDR((m), M_NOWAIT, MT_HEADER); \ 513 if ((m) != NULL) { \ 514 (m)->m_len = (l); \ 515 (m)->m_pkthdr.len = (l); \ 516 } \ 517 } while (0) 518# else 519# define ALLOC_MB_T(m,l) do { \ 520 MGET((m), M_NOWAIT, MT_HEADER); \ 521 if ((m) != NULL) { \ 522 (m)->m_len = (l); \ 523 (m)->m_pkthdr.len = (l); \ 524 } \ 525 } while (0) 526# endif 527# endif 528# ifndef PREP_MB_T 529# define PREP_MB_T(f, m) do { \ 530 mb_t *_o = *(f)->fin_mp; \ 531 (m)->m_next = _o; \ 532 *(fin)->fin_mp = (m); \ 533 if (_o->m_flags & M_PKTHDR) { \ 534 (m)->m_pkthdr.len += \ 535 _o->m_pkthdr.len; \ 536 (m)->m_pkthdr.rcvif = \ 537 _o->m_pkthdr.rcvif; \ 538 } \ 539 } while (0) 540# endif 541# ifndef M_DUP 542# ifdef M_COPYALL 543# define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 544# else 545# define M_DUP(m) m_dup(m) 546# endif 547# endif 548 549# ifndef MTOD 550# define MTOD(m,t) mtod(m,t) 551# endif 552 553# ifndef COPYIN 554# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 555# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 556# endif 557 558# if SOLARIS && !defined(KMALLOC) 559# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 560 KMEM_NOSLEEP) 561# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 562# endif 563 564# ifndef GET_MINOR 565# define GET_MINOR(x) dev2unit(x) 566# endif 567# define PANIC(x,y) if (x) panic y 568#endif /* _KERNEL */ 569 570#if !defined(IFNAME) && !defined(_KERNEL) 571# define IFNAME(x) get_ifname((struct ifnet *)x) 572#endif 573#ifndef COPYIFNAME 574# define NEED_FRGETIFNAME 575extern char *ipf_getifname(struct ifnet *, char *); 576# define COPYIFNAME(v, x, b) \ 577 ipf_getifname((struct ifnet *)x, b) 578#endif 579 580#ifndef ASSERT 581# ifdef _KERNEL 582# define ASSERT(x) 583# else 584# define ASSERT(x) do { if (!(x)) abort(); } while (0) 585# endif 586#endif 587 588#ifndef BCOPYIN 589# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 590# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 591#endif 592 593/* 594 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 595 * would mean all normal code that walks through strings needed casts. Yuck. 596 */ 597#define ISALNUM(x) isalnum((u_char)(x)) 598#define ISALPHA(x) isalpha((u_char)(x)) 599#define ISDIGIT(x) isdigit((u_char)(x)) 600#define ISSPACE(x) isspace((u_char)(x)) 601#define ISUPPER(x) isupper((u_char)(x)) 602#define ISXDIGIT(x) isxdigit((u_char)(x)) 603#define ISLOWER(x) islower((u_char)(x)) 604#define TOUPPER(x) toupper((u_char)(x)) 605#define TOLOWER(x) tolower((u_char)(x)) 606 607/* 608 * If mutexes aren't being used, turn all the mutex functions into null-ops. 609 */ 610#if !defined(USE_MUTEXES) 611# define USE_SPL 1 612# undef RW_DESTROY 613# undef MUTEX_INIT 614# undef MUTEX_NUKE 615# undef MUTEX_DESTROY 616# define MUTEX_ENTER(x) ; 617# define READ_ENTER(x) ; 618# define WRITE_ENTER(x) ; 619# define MUTEX_DOWNGRADE(x) ; 620# define MUTEX_TRY_UPGRADE(x) ; 621# define RWLOCK_INIT(x, y) ; 622# define RWLOCK_EXIT(x) ; 623# define RW_DESTROY(x) ; 624# define MUTEX_EXIT(x) ; 625# define MUTEX_INIT(x,y) ; 626# define MUTEX_DESTROY(x) ; 627# define MUTEX_NUKE(x) ; 628#endif /* !USE_MUTEXES */ 629#ifndef ATOMIC_INC 630# define ATOMIC_INC(x) (x)++ 631# define ATOMIC_DEC(x) (x)-- 632#endif 633 634#if defined(USE_SPL) && defined(_KERNEL) 635# define SPL_INT(x) int x 636#else 637# define SPL_INT(x) 638#endif 639 640/* 641 * If there are no atomic operations for bit sizes defined, define them to all 642 * use a generic one that works for all sizes. 643 */ 644#ifndef ATOMIC_INCL 645# define ATOMIC_INCL ATOMIC_INC 646# define ATOMIC_INC64 ATOMIC_INC 647# define ATOMIC_INC32 ATOMIC_INC 648# define ATOMIC_DECL ATOMIC_DEC 649# define ATOMIC_DEC64 ATOMIC_DEC 650# define ATOMIC_DEC32 ATOMIC_DEC 651#endif 652 653#ifndef HDR_T_PRIVATE 654typedef struct tcphdr tcphdr_t; 655typedef struct udphdr udphdr_t; 656#endif 657typedef struct icmp icmphdr_t; 658typedef struct ip ip_t; 659typedef struct ether_header ether_header_t; 660typedef struct tcpiphdr tcpiphdr_t; 661 662#ifndef FR_GROUPLEN 663# define FR_GROUPLEN 16 664#endif 665 666#ifndef offsetof 667# define offsetof(t,m) (size_t)((&((t *)0L)->m)) 668#endif 669#ifndef stsizeof 670# define stsizeof(t,m) sizeof(((t *)0L)->m) 671#endif 672 673/* 674 * This set of macros has been brought about because on Tru64 it is not 675 * possible to easily assign or examine values in a structure that are 676 * bit fields. 677 */ 678#ifndef IP_V 679# define IP_V(x) (x)->ip_v 680#endif 681#ifndef IP_V_A 682# define IP_V_A(x,y) (x)->ip_v = (y) 683#endif 684#ifndef IP_HL 685# define IP_HL(x) (x)->ip_hl 686#endif 687#ifndef IP_HL_A 688# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 689#endif 690#ifndef TCP_OFF 691# define TCP_OFF(x) (x)->th_off 692#endif 693#ifndef TCP_OFF_A 694# define TCP_OFF_A(x,y) (x)->th_off = (y) 695#endif 696#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 697 698#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 699 TH_ECN|TH_CWR) 700 701#if !SOLARIS && !defined(m_act) 702# define m_act m_nextpkt 703#endif 704 705/* 706 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 707 * 708 * Basic Option 709 * 710 * 00000001 - (Reserved 4) 711 * 00111101 - Top Secret 712 * 01011010 - Secret 713 * 10010110 - Confidential 714 * 01100110 - (Reserved 3) 715 * 11001100 - (Reserved 2) 716 * 10101011 - Unclassified 717 * 11110001 - (Reserved 1) 718 */ 719#define IPSO_CLASS_RES4 0x01 720#define IPSO_CLASS_TOPS 0x3d 721#define IPSO_CLASS_SECR 0x5a 722#define IPSO_CLASS_CONF 0x96 723#define IPSO_CLASS_RES3 0x66 724#define IPSO_CLASS_RES2 0xcc 725#define IPSO_CLASS_UNCL 0xab 726#define IPSO_CLASS_RES1 0xf1 727 728#define IPSO_AUTH_GENSER 0x80 729#define IPSO_AUTH_ESI 0x40 730#define IPSO_AUTH_SCI 0x20 731#define IPSO_AUTH_NSA 0x10 732#define IPSO_AUTH_DOE 0x08 733#define IPSO_AUTH_UN 0x06 734#define IPSO_AUTH_FTE 0x01 735 736/* 737 * IP option #defines 738 */ 739#undef IPOPT_RR 740#define IPOPT_RR 7 741#undef IPOPT_ZSU 742#define IPOPT_ZSU 10 /* ZSU */ 743#undef IPOPT_MTUP 744#define IPOPT_MTUP 11 /* MTUP */ 745#undef IPOPT_MTUR 746#define IPOPT_MTUR 12 /* MTUR */ 747#undef IPOPT_ENCODE 748#define IPOPT_ENCODE 15 /* ENCODE */ 749#undef IPOPT_TS 750#define IPOPT_TS 68 751#undef IPOPT_TR 752#define IPOPT_TR 82 /* TR */ 753#undef IPOPT_SECURITY 754#define IPOPT_SECURITY 130 755#undef IPOPT_LSRR 756#define IPOPT_LSRR 131 757#undef IPOPT_E_SEC 758#define IPOPT_E_SEC 133 /* E-SEC */ 759#undef IPOPT_CIPSO 760#define IPOPT_CIPSO 134 /* CIPSO */ 761#undef IPOPT_SATID 762#define IPOPT_SATID 136 763#ifndef IPOPT_SID 764# define IPOPT_SID IPOPT_SATID 765#endif 766#undef IPOPT_SSRR 767#define IPOPT_SSRR 137 768#undef IPOPT_ADDEXT 769#define IPOPT_ADDEXT 147 /* ADDEXT */ 770#undef IPOPT_VISA 771#define IPOPT_VISA 142 /* VISA */ 772#undef IPOPT_IMITD 773#define IPOPT_IMITD 144 /* IMITD */ 774#undef IPOPT_EIP 775#define IPOPT_EIP 145 /* EIP */ 776#undef IPOPT_RTRALRT 777#define IPOPT_RTRALRT 148 /* RTRALRT */ 778#undef IPOPT_SDB 779#define IPOPT_SDB 149 780#undef IPOPT_NSAPA 781#define IPOPT_NSAPA 150 782#undef IPOPT_DPS 783#define IPOPT_DPS 151 784#undef IPOPT_UMP 785#define IPOPT_UMP 152 786#undef IPOPT_FINN 787#define IPOPT_FINN 205 /* FINN */ 788#undef IPOPT_AH 789#define IPOPT_AH 256+IPPROTO_AH 790 791#define ICMP_UNREACH_ADMIN_PROHIBIT ICMP_UNREACH_FILTER_PROHIB 792#define ICMP_UNREACH_FILTER ICMP_UNREACH_FILTER_PROHIB 793 794#ifndef IPVERSION 795# define IPVERSION 4 796#endif 797#ifndef IPOPT_MINOFF 798# define IPOPT_MINOFF 4 799#endif 800#ifndef IPOPT_COPIED 801# define IPOPT_COPIED(x) ((x)&0x80) 802#endif 803#ifndef IPOPT_EOL 804# define IPOPT_EOL 0 805#endif 806#ifndef IPOPT_NOP 807# define IPOPT_NOP 1 808#endif 809#ifndef IP_MF 810# define IP_MF ((u_short)0x2000) 811#endif 812#ifndef ETHERTYPE_IP 813# define ETHERTYPE_IP ((u_short)0x0800) 814#endif 815#ifndef TH_FIN 816# define TH_FIN 0x01 817#endif 818#ifndef TH_SYN 819# define TH_SYN 0x02 820#endif 821#ifndef TH_RST 822# define TH_RST 0x04 823#endif 824#ifndef TH_PUSH 825# define TH_PUSH 0x08 826#endif 827#ifndef TH_ACK 828# define TH_ACK 0x10 829#endif 830#ifndef TH_URG 831# define TH_URG 0x20 832#endif 833#undef TH_ACKMASK 834#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 835 836#ifndef IPOPT_EOL 837# define IPOPT_EOL 0 838#endif 839#ifndef IPOPT_NOP 840# define IPOPT_NOP 1 841#endif 842#ifndef IPOPT_RR 843# define IPOPT_RR 7 844#endif 845#ifndef IPOPT_TS 846# define IPOPT_TS 68 847#endif 848#ifndef IPOPT_SECURITY 849# define IPOPT_SECURITY 130 850#endif 851#ifndef IPOPT_LSRR 852# define IPOPT_LSRR 131 853#endif 854#ifndef IPOPT_SATID 855# define IPOPT_SATID 136 856#endif 857#ifndef IPOPT_SSRR 858# define IPOPT_SSRR 137 859#endif 860#ifndef IPOPT_SECUR_UNCLASS 861# define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 862#endif 863#ifndef IPOPT_SECUR_CONFID 864# define IPOPT_SECUR_CONFID ((u_short)0xf135) 865#endif 866#ifndef IPOPT_SECUR_EFTO 867# define IPOPT_SECUR_EFTO ((u_short)0x789a) 868#endif 869#ifndef IPOPT_SECUR_MMMM 870# define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 871#endif 872#ifndef IPOPT_SECUR_RESTR 873# define IPOPT_SECUR_RESTR ((u_short)0xaf13) 874#endif 875#ifndef IPOPT_SECUR_SECRET 876# define IPOPT_SECUR_SECRET ((u_short)0xd788) 877#endif 878#ifndef IPOPT_SECUR_TOPSECRET 879# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 880#endif 881#ifndef IPOPT_OLEN 882# define IPOPT_OLEN 1 883#endif 884#ifndef IPPROTO_HOPOPTS 885# define IPPROTO_HOPOPTS 0 886#endif 887#ifndef IPPROTO_IPIP 888# define IPPROTO_IPIP 4 889#endif 890#ifndef IPPROTO_ENCAP 891# define IPPROTO_ENCAP 98 892#endif 893#ifndef IPPROTO_IPV6 894# define IPPROTO_IPV6 41 895#endif 896#ifndef IPPROTO_ROUTING 897# define IPPROTO_ROUTING 43 898#endif 899#ifndef IPPROTO_FRAGMENT 900# define IPPROTO_FRAGMENT 44 901#endif 902#ifndef IPPROTO_GRE 903# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 904#endif 905#ifndef IPPROTO_ESP 906# define IPPROTO_ESP 50 907#endif 908#ifndef IPPROTO_AH 909# define IPPROTO_AH 51 910#endif 911#ifndef IPPROTO_ICMPV6 912# define IPPROTO_ICMPV6 58 913#endif 914#ifndef IPPROTO_NONE 915# define IPPROTO_NONE 59 916#endif 917#ifndef IPPROTO_DSTOPTS 918# define IPPROTO_DSTOPTS 60 919#endif 920#ifndef IPPROTO_MOBILITY 921# define IPPROTO_MOBILITY 135 922#endif 923 924#ifndef ICMP_ROUTERADVERT 925# define ICMP_ROUTERADVERT 9 926#endif 927#ifndef ICMP_ROUTERSOLICIT 928# define ICMP_ROUTERSOLICIT 10 929#endif 930#ifndef ICMP6_DST_UNREACH 931# define ICMP6_DST_UNREACH 1 932#endif 933#ifndef ICMP6_PACKET_TOO_BIG 934# define ICMP6_PACKET_TOO_BIG 2 935#endif 936#ifndef ICMP6_TIME_EXCEEDED 937# define ICMP6_TIME_EXCEEDED 3 938#endif 939#ifndef ICMP6_PARAM_PROB 940# define ICMP6_PARAM_PROB 4 941#endif 942 943#ifndef ICMP6_ECHO_REQUEST 944# define ICMP6_ECHO_REQUEST 128 945#endif 946#ifndef ICMP6_ECHO_REPLY 947# define ICMP6_ECHO_REPLY 129 948#endif 949#ifndef ICMP6_MEMBERSHIP_QUERY 950# define ICMP6_MEMBERSHIP_QUERY 130 951#endif 952#ifndef MLD6_LISTENER_QUERY 953# define MLD6_LISTENER_QUERY 130 954#endif 955#ifndef ICMP6_MEMBERSHIP_REPORT 956# define ICMP6_MEMBERSHIP_REPORT 131 957#endif 958#ifndef MLD6_LISTENER_REPORT 959# define MLD6_LISTENER_REPORT 131 960#endif 961#ifndef ICMP6_MEMBERSHIP_REDUCTION 962# define ICMP6_MEMBERSHIP_REDUCTION 132 963#endif 964#ifndef MLD6_LISTENER_DONE 965# define MLD6_LISTENER_DONE 132 966#endif 967#ifndef ND_ROUTER_SOLICIT 968# define ND_ROUTER_SOLICIT 133 969#endif 970#ifndef ND_ROUTER_ADVERT 971# define ND_ROUTER_ADVERT 134 972#endif 973#ifndef ND_NEIGHBOR_SOLICIT 974# define ND_NEIGHBOR_SOLICIT 135 975#endif 976#ifndef ND_NEIGHBOR_ADVERT 977# define ND_NEIGHBOR_ADVERT 136 978#endif 979#ifndef ND_REDIRECT 980# define ND_REDIRECT 137 981#endif 982#ifndef ICMP6_ROUTER_RENUMBERING 983# define ICMP6_ROUTER_RENUMBERING 138 984#endif 985#ifndef ICMP6_WRUREQUEST 986# define ICMP6_WRUREQUEST 139 987#endif 988#ifndef ICMP6_WRUREPLY 989# define ICMP6_WRUREPLY 140 990#endif 991#ifndef ICMP6_FQDN_QUERY 992# define ICMP6_FQDN_QUERY 139 993#endif 994#ifndef ICMP6_FQDN_REPLY 995# define ICMP6_FQDN_REPLY 140 996#endif 997#ifndef ICMP6_NI_QUERY 998# define ICMP6_NI_QUERY 139 999#endif 1000#ifndef ICMP6_NI_REPLY 1001# define ICMP6_NI_REPLY 140 1002#endif 1003#ifndef MLD6_MTRACE_RESP 1004# define MLD6_MTRACE_RESP 200 1005#endif 1006#ifndef MLD6_MTRACE 1007# define MLD6_MTRACE 201 1008#endif 1009#ifndef ICMP6_HADISCOV_REQUEST 1010# define ICMP6_HADISCOV_REQUEST 202 1011#endif 1012#ifndef ICMP6_HADISCOV_REPLY 1013# define ICMP6_HADISCOV_REPLY 203 1014#endif 1015#ifndef ICMP6_MOBILEPREFIX_SOLICIT 1016# define ICMP6_MOBILEPREFIX_SOLICIT 204 1017#endif 1018#ifndef ICMP6_MOBILEPREFIX_ADVERT 1019# define ICMP6_MOBILEPREFIX_ADVERT 205 1020#endif 1021#ifndef ICMP6_MAXTYPE 1022# define ICMP6_MAXTYPE 205 1023#endif 1024 1025#ifndef ICMP6_DST_UNREACH_NOROUTE 1026# define ICMP6_DST_UNREACH_NOROUTE 0 1027#endif 1028#ifndef ICMP6_DST_UNREACH_ADMIN 1029# define ICMP6_DST_UNREACH_ADMIN 1 1030#endif 1031#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1032# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1033#endif 1034#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1035# define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1036#endif 1037#ifndef ICMP6_DST_UNREACH_ADDR 1038# define ICMP6_DST_UNREACH_ADDR 3 1039#endif 1040#ifndef ICMP6_DST_UNREACH_NOPORT 1041# define ICMP6_DST_UNREACH_NOPORT 4 1042#endif 1043#ifndef ICMP6_TIME_EXCEED_TRANSIT 1044# define ICMP6_TIME_EXCEED_TRANSIT 0 1045#endif 1046#ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1047# define ICMP6_TIME_EXCEED_REASSEMBLY 1 1048#endif 1049 1050#ifndef ICMP6_NI_SUCCESS 1051# define ICMP6_NI_SUCCESS 0 1052#endif 1053#ifndef ICMP6_NI_REFUSED 1054# define ICMP6_NI_REFUSED 1 1055#endif 1056#ifndef ICMP6_NI_UNKNOWN 1057# define ICMP6_NI_UNKNOWN 2 1058#endif 1059 1060#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1061# define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1062#endif 1063#ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1064# define ICMP6_ROUTER_RENUMBERING_RESULT 1 1065#endif 1066#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1067# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1068#endif 1069 1070#ifndef ICMP6_PARAMPROB_HEADER 1071# define ICMP6_PARAMPROB_HEADER 0 1072#endif 1073#ifndef ICMP6_PARAMPROB_NEXTHEADER 1074# define ICMP6_PARAMPROB_NEXTHEADER 1 1075#endif 1076#ifndef ICMP6_PARAMPROB_OPTION 1077# define ICMP6_PARAMPROB_OPTION 2 1078#endif 1079 1080#ifndef ICMP6_NI_SUBJ_IPV6 1081# define ICMP6_NI_SUBJ_IPV6 0 1082#endif 1083#ifndef ICMP6_NI_SUBJ_FQDN 1084# define ICMP6_NI_SUBJ_FQDN 1 1085#endif 1086#ifndef ICMP6_NI_SUBJ_IPV4 1087# define ICMP6_NI_SUBJ_IPV4 2 1088#endif 1089 1090#ifndef MLD_MTRACE_RESP 1091# define MLD_MTRACE_RESP 200 1092#endif 1093#ifndef MLD_MTRACE 1094# define MLD_MTRACE 201 1095#endif 1096#ifndef MLD6_MTRACE_RESP 1097# define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1098#endif 1099#ifndef MLD6_MTRACE 1100# define MLD6_MTRACE MLD_MTRACE 1101#endif 1102 1103#if !defined(IPV6_FLOWINFO_MASK) 1104# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1105# define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1106# else 1107# if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1108# define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1109# endif /* LITTLE_ENDIAN */ 1110# endif 1111#endif 1112#if !defined(IPV6_FLOWLABEL_MASK) 1113# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1114# define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1115# else 1116# if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1117# define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1118# endif /* LITTLE_ENDIAN */ 1119# endif 1120#endif 1121 1122/* 1123 * ECN is a new addition to TCP - RFC 2481 1124 */ 1125#ifndef TH_ECN 1126# define TH_ECN 0x40 1127#endif 1128#ifndef TH_CWR 1129# define TH_CWR 0x80 1130#endif 1131#define TH_ECNALL (TH_ECN|TH_CWR) 1132 1133/* 1134 * TCP States 1135 */ 1136#define IPF_TCPS_LISTEN 0 /* listening for connection */ 1137#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1138#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1139#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1140/* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1141#define IPF_TCPS_ESTABLISHED 4 /* established */ 1142#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1143/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1144#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1145#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1146#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1147/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1148#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1149#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1150#define IPF_TCPS_CLOSED 11 /* closed */ 1151#define IPF_TCP_NSTATES 12 1152 1153#define TCP_MSL 120 1154 1155#undef ICMP_MAX_UNREACH 1156#define ICMP_MAX_UNREACH 14 1157#undef ICMP_MAXTYPE 1158#define ICMP_MAXTYPE 18 1159 1160#ifndef LOG_FTP 1161# define LOG_FTP (11<<3) 1162#endif 1163#ifndef LOG_AUTHPRIV 1164# define LOG_AUTHPRIV (10<<3) 1165#endif 1166#ifndef LOG_AUDIT 1167# define LOG_AUDIT (13<<3) 1168#endif 1169#ifndef LOG_NTP 1170# define LOG_NTP (12<<3) 1171#endif 1172#ifndef LOG_SECURITY 1173# define LOG_SECURITY (13<<3) 1174#endif 1175#ifndef LOG_LFMT 1176# define LOG_LFMT (14<<3) 1177#endif 1178#ifndef LOG_CONSOLE 1179# define LOG_CONSOLE (14<<3) 1180#endif 1181 1182/* 1183 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1184 * another IP header and then 64 bits of data, totalling 56. Of course, 1185 * the last 64 bits is dependent on that being available. 1186 */ 1187#define ICMPERR_ICMPHLEN 8 1188#define ICMPERR_IPICMPHLEN (20 + 8) 1189#define ICMPERR_MINPKTLEN (20 + 8 + 20) 1190#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1191#define ICMP6ERR_MINPKTLEN (40 + 8) 1192#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1193 1194#ifndef MIN 1195# define MIN(a,b) (((a)<(b))?(a):(b)) 1196#endif 1197 1198#ifdef RESCUE 1199# undef IPFILTER_BPF 1200#endif 1201 1202#ifdef IPF_DEBUG 1203# define DPRINT(x) printf x 1204#else 1205# define DPRINT(x) 1206#endif 1207 1208#if defined(DTRACE_PROBE) && defined(_KERNEL) 1209# define DT(_n) DTRACE_PROBE(_n) 1210# define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1211# define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1212# define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1213 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1214# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1215 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1216# define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) \ 1217 DTRACE_PROBE5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1218#else 1219# define DT(_n) 1220# define DT1(_n,_a,_b) 1221# define DT2(_n,_a,_b,_c,_d) 1222# define DT3(_n,_a,_b,_c,_d,_e,_f) 1223# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1224# define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1225#endif 1226 1227struct ip6_routing { 1228 u_char ip6r_nxt; /* next header */ 1229 u_char ip6r_len; /* length in units of 8 octets */ 1230 u_char ip6r_type; /* always zero */ 1231 u_char ip6r_segleft; /* segments left */ 1232 u_32_t ip6r_reserved; /* reserved field */ 1233}; 1234 1235#endif /* __IP_COMPAT_H__ */ 1236