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