Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/netpfil/ipfilter/netinet/ip_compat.h
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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 #if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 15 # undef KERNEL 16 # undef _KERNEL 17 # undef __KERNEL__ 18 # define KERNEL 19 # define _KERNEL 20 # define __KERNEL__ 21 #endif 22 23 #ifndef SOLARIS 24 # if defined(sun) && defined(__SVR4) 25 # define SOLARIS 1 26 # else 27 # define SOLARIS 0 28 # endif 29 #endif 30 31 32 #if defined(__SVR4) 33 # define index strchr 34 # if !defined(_KERNEL) 35 # define bzero(a,b) memset(a,0,b) 36 # define bcmp memcmp 37 # define bcopy(a,b,c) memmove(b,a,c) 38 # endif 39 #endif 40 41 #ifndef LIFNAMSIZ 42 # ifdef IF_NAMESIZE 43 # define LIFNAMSIZ IF_NAMESIZE 44 # else 45 # ifdef IFNAMSIZ 46 # define LIFNAMSIZ IFNAMSIZ 47 # else 48 # define LIFNAMSIZ 16 49 # endif 50 # endif 51 #endif 52 53 54 # define IPL_EXTERN(ep) ipl##ep 55 56 /* 57 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 58 */ 59 #ifndef _KERNEL 60 # define ADD_KERNEL 61 # define _KERNEL 62 # define KERNEL 63 #endif 64 #include <sys/uio.h> 65 #ifdef ADD_KERNEL 66 # undef _KERNEL 67 # undef KERNEL 68 #endif 69 70 #define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 71 (__NetBSD_Version__ >= (x))) 72 #define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 73 (__NetBSD_Version__ > (x))) 74 #define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 75 (__NetBSD_Version__ < (x))) 76 77 78 /* ----------------------------------------------------------------------- */ 79 /* F R E E B S D */ 80 /* ----------------------------------------------------------------------- */ 81 #define HAS_SYS_MD5_H 1 82 #if defined(_KERNEL) 83 # include "opt_bpf.h" 84 # include "opt_inet6.h" 85 # if defined(INET6) && !defined(USE_INET6) 86 # define USE_INET6 87 # endif 88 #else 89 # if !defined(USE_INET6) && !defined(NOINET6) 90 # define USE_INET6 91 # endif 92 #endif 93 94 #if defined(_KERNEL) 95 # include <netinet/ip_var.h> 96 # define p_cred td_ucred 97 # define p_uid td_ucred->cr_ruid 98 99 /* 100 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 101 * There may be other, safe, kernels but this is not extensively tested yet. 102 */ 103 # define HAVE_M_PULLDOWN 104 # if !defined(IPFILTER_LKM) && defined(__FreeBSD__) 105 # include "opt_ipfilter.h" 106 # endif 107 # define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 108 # define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 109 110 #else 111 # include <inttypes.h> 112 #endif /* _KERNEL */ 113 114 #include <sys/selinfo.h> 115 #include <sys/lock.h> 116 #include <sys/malloc.h> 117 #include <sys/mutex.h> 118 #define KRWLOCK_FILL_SZ 56 119 #define KMUTEX_FILL_SZ 56 120 #include <sys/rwlock.h> 121 #define KMUTEX_T struct mtx 122 #define KRWLOCK_T struct rwlock 123 124 #ifdef _KERNEL 125 # define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 126 # define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 127 # define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 128 # define MUTEX_TRY_UPGRADE(x) rw_try_upgrade(&(x)->ipf_lk) 129 # define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 130 # define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 131 # define RWLOCK_EXIT(x) do { \ 132 if (rw_wowned(&(x)->ipf_lk)) \ 133 rw_wunlock(&(x)->ipf_lk); \ 134 else \ 135 rw_runlock(&(x)->ipf_lk); \ 136 } while (0) 137 # include <net/if_var.h> 138 # define GETKTIME(x) microtime((struct timeval *)x) 139 # define if_addrlist if_addrhead 140 141 # include <netinet/in_systm.h> 142 # include <netinet/ip.h> 143 # include <machine/in_cksum.h> 144 145 # define USE_MUTEXES 146 # define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 147 # define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 148 # define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 149 MTX_DEF) 150 # define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 151 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 152 /* 153 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 154 * for what we want to use them for, despite testing showing they work - 155 * with a WITNESS kernel, it generates LOR messages. 156 */ 157 # include <machine/atomic.h> 158 # define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 159 mtx_unlock(&softc->ipf_rw.ipf_lk); } 160 # define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 161 mtx_unlock(&softc->ipf_rw.ipf_lk); } 162 # define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 163 # define ATOMIC_INC64(x) ATOMIC_INC(x) 164 # define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 165 # define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 166 # define ATOMIC_DEC64(x) ATOMIC_DEC(x) 167 # define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 168 # define SPL_X(x) ; 169 # define SPL_NET(x) ; 170 # define SPL_IMP(x) ; 171 # define SPL_SCHED(x) ; 172 # define GET_MINOR dev2unit 173 # define MSGDSIZE(m) mbufchainlen(m) 174 # define M_LEN(m) (m)->m_len 175 # define M_ADJ(m,x) m_adj(m, x) 176 # define M_COPY(x) m_copym((x), 0, M_COPYALL, M_NOWAIT) 177 # define M_DUP(m) m_dup(m, M_NOWAIT) 178 # define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 179 typedef struct mbuf mb_t; 180 181 #else /* !_KERNEL */ 182 # ifndef _NET_IF_VAR_H_ 183 /* 184 * Userland emulation of struct ifnet. 185 */ 186 struct route; 187 struct mbuf; 188 struct ifnet { 189 char if_xname[IFNAMSIZ]; 190 STAILQ_HEAD(, ifaddr) if_addrlist; 191 int (*if_output)(struct ifnet *, struct mbuf *, 192 const struct sockaddr *, struct route *); 193 }; 194 # endif /* _NET_IF_VAR_H_ */ 195 #endif /* _KERNEL */ 196 197 #define IFNAME(x) ((struct ifnet *)x)->if_xname 198 #define COPYIFNAME(v, x, b) \ 199 (void) strncpy(b, \ 200 ((struct ifnet *)x)->if_xname, \ 201 LIFNAMSIZ) 202 203 typedef u_long ioctlcmd_t; 204 typedef struct uio uio_t; 205 typedef int minor_t; 206 typedef u_int32_t u_32_t; 207 # define U_32_T 1 208 209 210 /* ----------------------------------------------------------------------- */ 211 /* G E N E R I C */ 212 /* ----------------------------------------------------------------------- */ 213 214 /* 215 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 216 * filter rules. 217 */ 218 #if !defined(IPFILTER_BPF) 219 # if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 220 (defined(NBPFILTER) && (NBPFILTER > 0)) 221 # define IPFILTER_BPF 222 # endif 223 #endif 224 225 /* 226 * Userland locking primitives 227 */ 228 #ifndef _KERNEL 229 # if !defined(KMUTEX_FILL_SZ) 230 # define KMUTEX_FILL_SZ 1 231 # endif 232 # if !defined(KRWLOCK_FILL_SZ) 233 # define KRWLOCK_FILL_SZ 1 234 # endif 235 #endif 236 237 typedef struct { 238 char *eMm_owner; 239 char *eMm_heldin; 240 u_int eMm_magic; 241 int eMm_held; 242 int eMm_heldat; 243 } eMmutex_t; 244 245 typedef struct { 246 char *eMrw_owner; 247 char *eMrw_heldin; 248 u_int eMrw_magic; 249 short eMrw_read; 250 short eMrw_write; 251 int eMrw_heldat; 252 } eMrwlock_t; 253 254 typedef union { 255 char _fill[KMUTEX_FILL_SZ]; 256 #ifdef KMUTEX_T 257 struct { 258 KMUTEX_T ipf_slk; 259 const char *ipf_lname; 260 } ipf_lkun_s; 261 #endif 262 eMmutex_t ipf_emu; 263 } ipfmutex_t; 264 265 typedef union { 266 char _fill[KRWLOCK_FILL_SZ]; 267 #ifdef KRWLOCK_T 268 struct { 269 KRWLOCK_T ipf_slk; 270 const char *ipf_lname; 271 int ipf_sr; 272 int ipf_sw; 273 u_int ipf_magic; 274 } ipf_lkun_s; 275 #endif 276 eMrwlock_t ipf_emu; 277 } ipfrwlock_t; 278 279 #define ipf_lk ipf_lkun_s.ipf_slk 280 #define ipf_lname ipf_lkun_s.ipf_lname 281 #define ipf_isr ipf_lkun_s.ipf_sr 282 #define ipf_isw ipf_lkun_s.ipf_sw 283 #define ipf_magic ipf_lkun_s.ipf_magic 284 285 #if defined(__FreeBSD__) && defined(_KERNEL) 286 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 287 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 288 #endif 289 290 291 /* 292 * In a non-kernel environment, there are a lot of macros that need to be 293 * filled in to be null-ops or to point to some compatibility function, 294 * somewhere in userland. 295 */ 296 #ifndef _KERNEL 297 typedef struct mb_s { 298 struct mb_s *mb_next; 299 char *mb_data; 300 void *mb_ifp; 301 int mb_len; 302 int mb_flags; 303 u_long mb_buf[2048]; 304 } mb_t; 305 # undef m_next 306 # define m_next mb_next 307 # undef m_len 308 # define m_len mb_len 309 # undef m_flags 310 # define m_flags mb_flags 311 # undef m_data 312 # define m_data mb_data 313 # undef M_MCAST 314 # define M_MCAST 0x01 315 # undef M_BCAST 316 # define M_BCAST 0x02 317 # undef M_MBCAST 318 # define M_MBCAST 0x04 319 # define MSGDSIZE(m) msgdsize(m) 320 # define M_LEN(m) (m)->mb_len 321 # define M_ADJ(m,x) (m)->mb_len += x 322 # define M_COPY(m) dupmbt(m) 323 # define M_DUP(m) dupmbt(m) 324 # define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 325 # define MTOD(m, t) ((t)(m)->mb_data) 326 # define FREE_MB_T(m) freembt(m) 327 # define ALLOC_MB_T(m,l) (m) = allocmbt(l) 328 # define PREP_MB_T(f, m) do { \ 329 (m)->mb_next = *(f)->fin_mp; \ 330 *(fin)->fin_mp = (m); \ 331 (f)->fin_m = (m); \ 332 } while (0) 333 # define SLEEP(x,y) 1; 334 # define WAKEUP(x,y) ; 335 # define POLLWAKEUP(y) ; 336 # define IPF_PANIC(x,y) ; 337 # define PANIC(x,y) ; 338 # define SPL_SCHED(x) ; 339 # define SPL_NET(x) ; 340 # define SPL_IMP(x) ; 341 # define SPL_X(x) ; 342 # define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 343 # define KMALLOCS(a,b,c) (a) = (b)malloc(c) 344 # define KFREE(x) free(x) 345 # define KFREES(x,s) free(x) 346 # define GETIFP(x, v) get_unit(x,v) 347 # define GETIFMTU_4(x) 2048 348 # define GETIFMTU_6(x) 2048 349 # define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 350 # define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 351 # define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 352 (b), (l)) 353 # define COPYBACK(m, o, l, b) bcopy((b), \ 354 MTOD((mb_t *)m, char *) + (o), \ 355 (l)) 356 # define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 357 extern void m_copydata(mb_t *, int, int, caddr_t); 358 extern int ipfuiomove(caddr_t, int, int, struct uio *); 359 extern int bcopywrap(void *, void *, size_t); 360 extern mb_t *allocmbt(size_t); 361 extern mb_t *dupmbt(mb_t *); 362 extern void freembt(mb_t *); 363 364 # define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 365 __FILE__, __LINE__) 366 # define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 367 __FILE__, __LINE__) 368 # define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 369 __FILE__, __LINE__) 370 # define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 371 __FILE__, __LINE__) 372 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 373 374 # define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 375 __FILE__, __LINE__) 376 # define MUTEX_TRY_UPGRADE(x) eMrwlock_try_upgrade(&(x)->ipf_emu, \ 377 __FILE__, __LINE__) 378 # define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 379 __FILE__, __LINE__) 380 # define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 381 # define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 382 # define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 383 # define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 384 __FILE__, \ 385 __LINE__) 386 387 # define USE_MUTEXES 1 388 389 extern void eMmutex_destroy(eMmutex_t *, char *, int); 390 extern void eMmutex_enter(eMmutex_t *, char *, int); 391 extern void eMmutex_exit(eMmutex_t *, char *, int); 392 extern void eMmutex_init(eMmutex_t *, char *, char *, int); 393 extern void eMrwlock_destroy(eMrwlock_t *); 394 extern void eMrwlock_exit(eMrwlock_t *); 395 extern void eMrwlock_init(eMrwlock_t *, char *); 396 extern void eMrwlock_read_enter(eMrwlock_t *, char *, int); 397 extern void eMrwlock_write_enter(eMrwlock_t *, char *, int); 398 extern void eMrwlock_downgrade(eMrwlock_t *, char *, int); 399 400 #endif 401 402 extern mb_t *allocmbt(size_t); 403 404 #define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 405 406 #ifndef IP_OFFMASK 407 # define IP_OFFMASK 0x1fff 408 #endif 409 410 411 /* 412 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 413 * object. 414 */ 415 #if !defined(__amd64__) && !SOLARIS 416 # define USE_QUAD_T 417 # define U_QUAD_T unsigned long long 418 # define QUAD_T long long 419 #else /* BSD */ 420 # if !defined(U_QUAD_T) 421 # define U_QUAD_T u_long 422 # define QUAD_T long 423 # endif 424 #endif /* BSD */ 425 426 427 #ifdef USE_INET6 428 # if defined(__NetBSD__) || defined(__FreeBSD__) 429 # include <netinet/ip6.h> 430 # include <netinet/icmp6.h> 431 # if defined(_KERNEL) 432 # include <netinet6/ip6_var.h> 433 # endif 434 typedef struct ip6_hdr ip6_t; 435 # endif 436 #endif 437 438 #ifndef MAX 439 # define MAX(a,b) (((a) > (b)) ? (a) : (b)) 440 #endif 441 442 #if defined(_KERNEL) 443 # if SOLARIS && !defined(INSTANCES) 444 # define COPYDATA mb_copydata 445 # define COPYBACK mb_copyback 446 # else 447 # define COPYDATA m_copydata 448 # define COPYBACK m_copyback 449 # endif 450 # if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 451 defined(__FreeBSD__) 452 # include <vm/vm.h> 453 # endif 454 # if NETBSD_GE_REV(105180000) 455 # include <uvm/uvm_extern.h> 456 # else 457 # include <vm/vm_extern.h> 458 extern vm_map_t kmem_map; 459 # endif 460 # include <sys/proc.h> 461 462 # ifdef IPFILTER_M_IPFILTER 463 # include <sys/malloc.h> 464 MALLOC_DECLARE(M_IPFILTER); 465 # define _M_IPF M_IPFILTER 466 # else /* IPFILTER_M_IPFILTER */ 467 # ifdef M_PFIL 468 # define _M_IPF M_PFIL 469 # else 470 # ifdef M_IPFILTER 471 # define _M_IPF M_IPFILTER 472 # else 473 # define _M_IPF M_TEMP 474 # endif /* M_IPFILTER */ 475 # endif /* M_PFIL */ 476 # endif /* IPFILTER_M_IPFILTER */ 477 # if !defined(KMALLOC) 478 # define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT) 479 # endif 480 # if !defined(KMALLOCS) 481 # define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 482 # endif 483 # if !defined(KFREE) 484 # define KFREE(x) free((x), _M_IPF) 485 # endif 486 # if !defined(KFREES) 487 # define KFREES(x,s) free((x), _M_IPF) 488 # endif 489 # define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 490 # define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 491 # define WAKEUP(id,x) wakeup(id+x) 492 # if !defined(POLLWAKEUP) 493 # define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 494 # endif 495 # define GETIFP(n, v) ifunit(n) 496 # define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 497 # define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 498 499 # if !defined(USE_MUTEXES) && !defined(SPL_NET) 500 # define SPL_IMP(x) x = splimp() 501 # define SPL_NET(x) x = splnet() 502 # if !defined(SPL_SCHED) 503 # define SPL_SCHED(x) x = splsched() 504 # endif 505 # define SPL_X(x) (void) splx(x) 506 # endif /* !USE_MUTEXES */ 507 508 # ifndef FREE_MB_T 509 # define FREE_MB_T(m) m_freem(m) 510 # endif 511 # ifndef ALLOC_MB_T 512 # ifdef MGETHDR 513 # define ALLOC_MB_T(m,l) do { \ 514 MGETHDR((m), M_NOWAIT, MT_HEADER); \ 515 if ((m) != NULL) { \ 516 (m)->m_len = (l); \ 517 (m)->m_pkthdr.len = (l); \ 518 } \ 519 } while (0) 520 # else 521 # define ALLOC_MB_T(m,l) do { \ 522 MGET((m), M_NOWAIT, MT_HEADER); \ 523 if ((m) != NULL) { \ 524 (m)->m_len = (l); \ 525 (m)->m_pkthdr.len = (l); \ 526 } \ 527 } while (0) 528 # endif 529 # endif 530 # ifndef PREP_MB_T 531 # define PREP_MB_T(f, m) do { \ 532 mb_t *_o = *(f)->fin_mp; \ 533 (m)->m_next = _o; \ 534 *(fin)->fin_mp = (m); \ 535 if (_o->m_flags & M_PKTHDR) { \ 536 (m)->m_pkthdr.len += \ 537 _o->m_pkthdr.len; \ 538 (m)->m_pkthdr.rcvif = \ 539 _o->m_pkthdr.rcvif; \ 540 } \ 541 } while (0) 542 # endif 543 # ifndef M_DUP 544 # ifdef M_COPYALL 545 # define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 546 # else 547 # define M_DUP(m) m_dup(m) 548 # endif 549 # endif 550 551 # ifndef MTOD 552 # define MTOD(m,t) mtod(m,t) 553 # endif 554 555 # ifndef COPYIN 556 # define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 557 # define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 558 # endif 559 560 # if SOLARIS && !defined(KMALLOC) 561 # define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 562 KMEM_NOSLEEP) 563 # define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 564 # endif 565 566 # ifndef GET_MINOR 567 # define GET_MINOR(x) dev2unit(x) 568 # endif 569 # define PANIC(x,y) if (x) panic y 570 #endif /* _KERNEL */ 571 572 #if !defined(IFNAME) && !defined(_KERNEL) 573 # define IFNAME(x) get_ifname((struct ifnet *)x) 574 #endif 575 #ifndef COPYIFNAME 576 # define NEED_FRGETIFNAME 577 extern char *ipf_getifname(struct ifnet *, char *); 578 # define COPYIFNAME(v, x, b) \ 579 ipf_getifname((struct ifnet *)x, b) 580 #endif 581 582 #ifndef ASSERT 583 # ifdef _KERNEL 584 # define ASSERT(x) 585 # else 586 # define ASSERT(x) do { if (!(x)) abort(); } while (0) 587 # endif 588 #endif 589 590 #ifndef BCOPYIN 591 # define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 592 # define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 593 #endif 594 595 /* 596 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 597 * would mean all normal code that walks through strings needed casts. Yuck. 598 */ 599 #define ISALNUM(x) isalnum((u_char)(x)) 600 #define ISALPHA(x) isalpha((u_char)(x)) 601 #define ISDIGIT(x) isdigit((u_char)(x)) 602 #define ISSPACE(x) isspace((u_char)(x)) 603 #define ISUPPER(x) isupper((u_char)(x)) 604 #define ISXDIGIT(x) isxdigit((u_char)(x)) 605 #define ISLOWER(x) islower((u_char)(x)) 606 #define TOUPPER(x) toupper((u_char)(x)) 607 #define TOLOWER(x) tolower((u_char)(x)) 608 609 /* 610 * If mutexes aren't being used, turn all the mutex functions into null-ops. 611 */ 612 #if !defined(USE_MUTEXES) 613 # define USE_SPL 1 614 # undef RW_DESTROY 615 # undef MUTEX_INIT 616 # undef MUTEX_NUKE 617 # undef MUTEX_DESTROY 618 # define MUTEX_ENTER(x) ; 619 # define READ_ENTER(x) ; 620 # define WRITE_ENTER(x) ; 621 # define MUTEX_DOWNGRADE(x) ; 622 # define MUTEX_TRY_UPGRADE(x) ; 623 # define RWLOCK_INIT(x, y) ; 624 # define RWLOCK_EXIT(x) ; 625 # define RW_DESTROY(x) ; 626 # define MUTEX_EXIT(x) ; 627 # define MUTEX_INIT(x,y) ; 628 # define MUTEX_DESTROY(x) ; 629 # define MUTEX_NUKE(x) ; 630 #endif /* !USE_MUTEXES */ 631 #ifndef ATOMIC_INC 632 # define ATOMIC_INC(x) (x)++ 633 # define ATOMIC_DEC(x) (x)-- 634 #endif 635 636 #if defined(USE_SPL) && defined(_KERNEL) 637 # define SPL_INT(x) int x 638 #else 639 # define SPL_INT(x) 640 #endif 641 642 /* 643 * If there are no atomic operations for bit sizes defined, define them to all 644 * use a generic one that works for all sizes. 645 */ 646 #ifndef ATOMIC_INCL 647 # define ATOMIC_INCL ATOMIC_INC 648 # define ATOMIC_INC64 ATOMIC_INC 649 # define ATOMIC_INC32 ATOMIC_INC 650 # define ATOMIC_DECL ATOMIC_DEC 651 # define ATOMIC_DEC64 ATOMIC_DEC 652 # define ATOMIC_DEC32 ATOMIC_DEC 653 #endif 654 655 #ifndef HDR_T_PRIVATE 656 typedef struct tcphdr tcphdr_t; 657 typedef struct udphdr udphdr_t; 658 #endif 659 typedef struct icmp icmphdr_t; 660 typedef struct ip ip_t; 661 typedef struct ether_header ether_header_t; 662 typedef struct tcpiphdr tcpiphdr_t; 663 664 #ifndef FR_GROUPLEN 665 # define FR_GROUPLEN 16 666 #endif 667 668 #ifndef offsetof 669 # define offsetof(t,m) (size_t)((&((t *)0L)->m)) 670 #endif 671 #ifndef stsizeof 672 # define stsizeof(t,m) sizeof(((t *)0L)->m) 673 #endif 674 675 /* 676 * This set of macros has been brought about because on Tru64 it is not 677 * possible to easily assign or examine values in a structure that are 678 * bit fields. 679 */ 680 #ifndef IP_V 681 # define IP_V(x) (x)->ip_v 682 #endif 683 #ifndef IP_V_A 684 # define IP_V_A(x,y) (x)->ip_v = (y) 685 #endif 686 #ifndef IP_HL 687 # define IP_HL(x) (x)->ip_hl 688 #endif 689 #ifndef IP_HL_A 690 # define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 691 #endif 692 #ifndef TCP_X2 693 # define TCP_X2(x) (x)->th_x2 694 #endif 695 #ifndef TCP_X2_A 696 # define TCP_X2_A(x,y) (x)->th_x2 = (y) 697 #endif 698 #ifndef TCP_OFF 699 # define TCP_OFF(x) (x)->th_off 700 #endif 701 #ifndef TCP_OFF_A 702 # define TCP_OFF_A(x,y) (x)->th_off = (y) 703 #endif 704 #define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 705 706 #define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 707 TH_ECN|TH_CWR) 708 709 #if !SOLARIS && !defined(m_act) 710 # define m_act m_nextpkt 711 #endif 712 713 /* 714 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 715 * 716 * Basic Option 717 * 718 * 00000001 - (Reserved 4) 719 * 00111101 - Top Secret 720 * 01011010 - Secret 721 * 10010110 - Confidential 722 * 01100110 - (Reserved 3) 723 * 11001100 - (Reserved 2) 724 * 10101011 - Unclassified 725 * 11110001 - (Reserved 1) 726 */ 727 #define IPSO_CLASS_RES4 0x01 728 #define IPSO_CLASS_TOPS 0x3d 729 #define IPSO_CLASS_SECR 0x5a 730 #define IPSO_CLASS_CONF 0x96 731 #define IPSO_CLASS_RES3 0x66 732 #define IPSO_CLASS_RES2 0xcc 733 #define IPSO_CLASS_UNCL 0xab 734 #define IPSO_CLASS_RES1 0xf1 735 736 #define IPSO_AUTH_GENSER 0x80 737 #define IPSO_AUTH_ESI 0x40 738 #define IPSO_AUTH_SCI 0x20 739 #define IPSO_AUTH_NSA 0x10 740 #define IPSO_AUTH_DOE 0x08 741 #define IPSO_AUTH_UN 0x06 742 #define IPSO_AUTH_FTE 0x01 743 744 /* 745 * IP option #defines 746 */ 747 #undef IPOPT_RR 748 #define IPOPT_RR 7 749 #undef IPOPT_ZSU 750 #define IPOPT_ZSU 10 /* ZSU */ 751 #undef IPOPT_MTUP 752 #define IPOPT_MTUP 11 /* MTUP */ 753 #undef IPOPT_MTUR 754 #define IPOPT_MTUR 12 /* MTUR */ 755 #undef IPOPT_ENCODE 756 #define IPOPT_ENCODE 15 /* ENCODE */ 757 #undef IPOPT_TS 758 #define IPOPT_TS 68 759 #undef IPOPT_TR 760 #define IPOPT_TR 82 /* TR */ 761 #undef IPOPT_SECURITY 762 #define IPOPT_SECURITY 130 763 #undef IPOPT_LSRR 764 #define IPOPT_LSRR 131 765 #undef IPOPT_E_SEC 766 #define IPOPT_E_SEC 133 /* E-SEC */ 767 #undef IPOPT_CIPSO 768 #define IPOPT_CIPSO 134 /* CIPSO */ 769 #undef IPOPT_SATID 770 #define IPOPT_SATID 136 771 #ifndef IPOPT_SID 772 # define IPOPT_SID IPOPT_SATID 773 #endif 774 #undef IPOPT_SSRR 775 #define IPOPT_SSRR 137 776 #undef IPOPT_ADDEXT 777 #define IPOPT_ADDEXT 147 /* ADDEXT */ 778 #undef IPOPT_VISA 779 #define IPOPT_VISA 142 /* VISA */ 780 #undef IPOPT_IMITD 781 #define IPOPT_IMITD 144 /* IMITD */ 782 #undef IPOPT_EIP 783 #define IPOPT_EIP 145 /* EIP */ 784 #undef IPOPT_RTRALRT 785 #define IPOPT_RTRALRT 148 /* RTRALRT */ 786 #undef IPOPT_SDB 787 #define IPOPT_SDB 149 788 #undef IPOPT_NSAPA 789 #define IPOPT_NSAPA 150 790 #undef IPOPT_DPS 791 #define IPOPT_DPS 151 792 #undef IPOPT_UMP 793 #define IPOPT_UMP 152 794 #undef IPOPT_FINN 795 #define IPOPT_FINN 205 /* FINN */ 796 #undef IPOPT_AH 797 #define IPOPT_AH 256+IPPROTO_AH 798 799 #define ICMP_UNREACH_ADMIN_PROHIBIT ICMP_UNREACH_FILTER_PROHIB 800 #define ICMP_UNREACH_FILTER ICMP_UNREACH_FILTER_PROHIB 801 802 #ifndef IPVERSION 803 # define IPVERSION 4 804 #endif 805 #ifndef IPOPT_MINOFF 806 # define IPOPT_MINOFF 4 807 #endif 808 #ifndef IPOPT_COPIED 809 # define IPOPT_COPIED(x) ((x)&0x80) 810 #endif 811 #ifndef IPOPT_EOL 812 # define IPOPT_EOL 0 813 #endif 814 #ifndef IPOPT_NOP 815 # define IPOPT_NOP 1 816 #endif 817 #ifndef IP_MF 818 # define IP_MF ((u_short)0x2000) 819 #endif 820 #ifndef ETHERTYPE_IP 821 # define ETHERTYPE_IP ((u_short)0x0800) 822 #endif 823 #ifndef TH_FIN 824 # define TH_FIN 0x01 825 #endif 826 #ifndef TH_SYN 827 # define TH_SYN 0x02 828 #endif 829 #ifndef TH_RST 830 # define TH_RST 0x04 831 #endif 832 #ifndef TH_PUSH 833 # define TH_PUSH 0x08 834 #endif 835 #ifndef TH_ACK 836 # define TH_ACK 0x10 837 #endif 838 #ifndef TH_URG 839 # define TH_URG 0x20 840 #endif 841 #undef TH_ACKMASK 842 #define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 843 844 #ifndef IPOPT_EOL 845 # define IPOPT_EOL 0 846 #endif 847 #ifndef IPOPT_NOP 848 # define IPOPT_NOP 1 849 #endif 850 #ifndef IPOPT_RR 851 # define IPOPT_RR 7 852 #endif 853 #ifndef IPOPT_TS 854 # define IPOPT_TS 68 855 #endif 856 #ifndef IPOPT_SECURITY 857 # define IPOPT_SECURITY 130 858 #endif 859 #ifndef IPOPT_LSRR 860 # define IPOPT_LSRR 131 861 #endif 862 #ifndef IPOPT_SATID 863 # define IPOPT_SATID 136 864 #endif 865 #ifndef IPOPT_SSRR 866 # define IPOPT_SSRR 137 867 #endif 868 #ifndef IPOPT_SECUR_UNCLASS 869 # define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 870 #endif 871 #ifndef IPOPT_SECUR_CONFID 872 # define IPOPT_SECUR_CONFID ((u_short)0xf135) 873 #endif 874 #ifndef IPOPT_SECUR_EFTO 875 # define IPOPT_SECUR_EFTO ((u_short)0x789a) 876 #endif 877 #ifndef IPOPT_SECUR_MMMM 878 # define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 879 #endif 880 #ifndef IPOPT_SECUR_RESTR 881 # define IPOPT_SECUR_RESTR ((u_short)0xaf13) 882 #endif 883 #ifndef IPOPT_SECUR_SECRET 884 # define IPOPT_SECUR_SECRET ((u_short)0xd788) 885 #endif 886 #ifndef IPOPT_SECUR_TOPSECRET 887 # define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 888 #endif 889 #ifndef IPOPT_OLEN 890 # define IPOPT_OLEN 1 891 #endif 892 #ifndef IPPROTO_HOPOPTS 893 # define IPPROTO_HOPOPTS 0 894 #endif 895 #ifndef IPPROTO_IPIP 896 # define IPPROTO_IPIP 4 897 #endif 898 #ifndef IPPROTO_ENCAP 899 # define IPPROTO_ENCAP 98 900 #endif 901 #ifndef IPPROTO_IPV6 902 # define IPPROTO_IPV6 41 903 #endif 904 #ifndef IPPROTO_ROUTING 905 # define IPPROTO_ROUTING 43 906 #endif 907 #ifndef IPPROTO_FRAGMENT 908 # define IPPROTO_FRAGMENT 44 909 #endif 910 #ifndef IPPROTO_GRE 911 # define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 912 #endif 913 #ifndef IPPROTO_ESP 914 # define IPPROTO_ESP 50 915 #endif 916 #ifndef IPPROTO_AH 917 # define IPPROTO_AH 51 918 #endif 919 #ifndef IPPROTO_ICMPV6 920 # define IPPROTO_ICMPV6 58 921 #endif 922 #ifndef IPPROTO_NONE 923 # define IPPROTO_NONE 59 924 #endif 925 #ifndef IPPROTO_DSTOPTS 926 # define IPPROTO_DSTOPTS 60 927 #endif 928 #ifndef IPPROTO_MOBILITY 929 # define IPPROTO_MOBILITY 135 930 #endif 931 932 #ifndef ICMP_ROUTERADVERT 933 # define ICMP_ROUTERADVERT 9 934 #endif 935 #ifndef ICMP_ROUTERSOLICIT 936 # define ICMP_ROUTERSOLICIT 10 937 #endif 938 #ifndef ICMP6_DST_UNREACH 939 # define ICMP6_DST_UNREACH 1 940 #endif 941 #ifndef ICMP6_PACKET_TOO_BIG 942 # define ICMP6_PACKET_TOO_BIG 2 943 #endif 944 #ifndef ICMP6_TIME_EXCEEDED 945 # define ICMP6_TIME_EXCEEDED 3 946 #endif 947 #ifndef ICMP6_PARAM_PROB 948 # define ICMP6_PARAM_PROB 4 949 #endif 950 951 #ifndef ICMP6_ECHO_REQUEST 952 # define ICMP6_ECHO_REQUEST 128 953 #endif 954 #ifndef ICMP6_ECHO_REPLY 955 # define ICMP6_ECHO_REPLY 129 956 #endif 957 #ifndef ICMP6_MEMBERSHIP_QUERY 958 # define ICMP6_MEMBERSHIP_QUERY 130 959 #endif 960 #ifndef MLD6_LISTENER_QUERY 961 # define MLD6_LISTENER_QUERY 130 962 #endif 963 #ifndef ICMP6_MEMBERSHIP_REPORT 964 # define ICMP6_MEMBERSHIP_REPORT 131 965 #endif 966 #ifndef MLD6_LISTENER_REPORT 967 # define MLD6_LISTENER_REPORT 131 968 #endif 969 #ifndef ICMP6_MEMBERSHIP_REDUCTION 970 # define ICMP6_MEMBERSHIP_REDUCTION 132 971 #endif 972 #ifndef MLD6_LISTENER_DONE 973 # define MLD6_LISTENER_DONE 132 974 #endif 975 #ifndef ND_ROUTER_SOLICIT 976 # define ND_ROUTER_SOLICIT 133 977 #endif 978 #ifndef ND_ROUTER_ADVERT 979 # define ND_ROUTER_ADVERT 134 980 #endif 981 #ifndef ND_NEIGHBOR_SOLICIT 982 # define ND_NEIGHBOR_SOLICIT 135 983 #endif 984 #ifndef ND_NEIGHBOR_ADVERT 985 # define ND_NEIGHBOR_ADVERT 136 986 #endif 987 #ifndef ND_REDIRECT 988 # define ND_REDIRECT 137 989 #endif 990 #ifndef ICMP6_ROUTER_RENUMBERING 991 # define ICMP6_ROUTER_RENUMBERING 138 992 #endif 993 #ifndef ICMP6_WRUREQUEST 994 # define ICMP6_WRUREQUEST 139 995 #endif 996 #ifndef ICMP6_WRUREPLY 997 # define ICMP6_WRUREPLY 140 998 #endif 999 #ifndef ICMP6_FQDN_QUERY 1000 # define ICMP6_FQDN_QUERY 139 1001 #endif 1002 #ifndef ICMP6_FQDN_REPLY 1003 # define ICMP6_FQDN_REPLY 140 1004 #endif 1005 #ifndef ICMP6_NI_QUERY 1006 # define ICMP6_NI_QUERY 139 1007 #endif 1008 #ifndef ICMP6_NI_REPLY 1009 # define ICMP6_NI_REPLY 140 1010 #endif 1011 #ifndef MLD6_MTRACE_RESP 1012 # define MLD6_MTRACE_RESP 200 1013 #endif 1014 #ifndef MLD6_MTRACE 1015 # define MLD6_MTRACE 201 1016 #endif 1017 #ifndef ICMP6_HADISCOV_REQUEST 1018 # define ICMP6_HADISCOV_REQUEST 202 1019 #endif 1020 #ifndef ICMP6_HADISCOV_REPLY 1021 # define ICMP6_HADISCOV_REPLY 203 1022 #endif 1023 #ifndef ICMP6_MOBILEPREFIX_SOLICIT 1024 # define ICMP6_MOBILEPREFIX_SOLICIT 204 1025 #endif 1026 #ifndef ICMP6_MOBILEPREFIX_ADVERT 1027 # define ICMP6_MOBILEPREFIX_ADVERT 205 1028 #endif 1029 #ifndef ICMP6_MAXTYPE 1030 # define ICMP6_MAXTYPE 205 1031 #endif 1032 1033 #ifndef ICMP6_DST_UNREACH_NOROUTE 1034 # define ICMP6_DST_UNREACH_NOROUTE 0 1035 #endif 1036 #ifndef ICMP6_DST_UNREACH_ADMIN 1037 # define ICMP6_DST_UNREACH_ADMIN 1 1038 #endif 1039 #ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1040 # define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1041 #endif 1042 #ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1043 # define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1044 #endif 1045 #ifndef ICMP6_DST_UNREACH_ADDR 1046 # define ICMP6_DST_UNREACH_ADDR 3 1047 #endif 1048 #ifndef ICMP6_DST_UNREACH_NOPORT 1049 # define ICMP6_DST_UNREACH_NOPORT 4 1050 #endif 1051 #ifndef ICMP6_TIME_EXCEED_TRANSIT 1052 # define ICMP6_TIME_EXCEED_TRANSIT 0 1053 #endif 1054 #ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1055 # define ICMP6_TIME_EXCEED_REASSEMBLY 1 1056 #endif 1057 1058 #ifndef ICMP6_NI_SUCCESS 1059 # define ICMP6_NI_SUCCESS 0 1060 #endif 1061 #ifndef ICMP6_NI_REFUSED 1062 # define ICMP6_NI_REFUSED 1 1063 #endif 1064 #ifndef ICMP6_NI_UNKNOWN 1065 # define ICMP6_NI_UNKNOWN 2 1066 #endif 1067 1068 #ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1069 # define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1070 #endif 1071 #ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1072 # define ICMP6_ROUTER_RENUMBERING_RESULT 1 1073 #endif 1074 #ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1075 # define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1076 #endif 1077 1078 #ifndef ICMP6_PARAMPROB_HEADER 1079 # define ICMP6_PARAMPROB_HEADER 0 1080 #endif 1081 #ifndef ICMP6_PARAMPROB_NEXTHEADER 1082 # define ICMP6_PARAMPROB_NEXTHEADER 1 1083 #endif 1084 #ifndef ICMP6_PARAMPROB_OPTION 1085 # define ICMP6_PARAMPROB_OPTION 2 1086 #endif 1087 1088 #ifndef ICMP6_NI_SUBJ_IPV6 1089 # define ICMP6_NI_SUBJ_IPV6 0 1090 #endif 1091 #ifndef ICMP6_NI_SUBJ_FQDN 1092 # define ICMP6_NI_SUBJ_FQDN 1 1093 #endif 1094 #ifndef ICMP6_NI_SUBJ_IPV4 1095 # define ICMP6_NI_SUBJ_IPV4 2 1096 #endif 1097 1098 #ifndef MLD_MTRACE_RESP 1099 # define MLD_MTRACE_RESP 200 1100 #endif 1101 #ifndef MLD_MTRACE 1102 # define MLD_MTRACE 201 1103 #endif 1104 #ifndef MLD6_MTRACE_RESP 1105 # define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1106 #endif 1107 #ifndef MLD6_MTRACE 1108 # define MLD6_MTRACE MLD_MTRACE 1109 #endif 1110 1111 #if !defined(IPV6_FLOWINFO_MASK) 1112 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1113 # define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1114 # else 1115 # if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1116 # define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1117 # endif /* LITTLE_ENDIAN */ 1118 # endif 1119 #endif 1120 #if !defined(IPV6_FLOWLABEL_MASK) 1121 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1122 # define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1123 # else 1124 # if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1125 # define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1126 # endif /* LITTLE_ENDIAN */ 1127 # endif 1128 #endif 1129 1130 /* 1131 * ECN is a new addition to TCP - RFC 2481 1132 */ 1133 #ifndef TH_ECN 1134 # define TH_ECN 0x40 1135 #endif 1136 #ifndef TH_CWR 1137 # define TH_CWR 0x80 1138 #endif 1139 #define TH_ECNALL (TH_ECN|TH_CWR) 1140 1141 /* 1142 * TCP States 1143 */ 1144 #define IPF_TCPS_LISTEN 0 /* listening for connection */ 1145 #define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1146 #define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1147 #define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1148 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1149 #define IPF_TCPS_ESTABLISHED 4 /* established */ 1150 #define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1151 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1152 #define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1153 #define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1154 #define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1155 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1156 #define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1157 #define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1158 #define IPF_TCPS_CLOSED 11 /* closed */ 1159 #define IPF_TCP_NSTATES 12 1160 1161 #define TCP_MSL 120 1162 1163 #undef ICMP_MAX_UNREACH 1164 #define ICMP_MAX_UNREACH 14 1165 #undef ICMP_MAXTYPE 1166 #define ICMP_MAXTYPE 18 1167 1168 #ifndef LOG_FTP 1169 # define LOG_FTP (11<<3) 1170 #endif 1171 #ifndef LOG_AUTHPRIV 1172 # define LOG_AUTHPRIV (10<<3) 1173 #endif 1174 #ifndef LOG_AUDIT 1175 # define LOG_AUDIT (13<<3) 1176 #endif 1177 #ifndef LOG_NTP 1178 # define LOG_NTP (12<<3) 1179 #endif 1180 #ifndef LOG_SECURITY 1181 # define LOG_SECURITY (13<<3) 1182 #endif 1183 #ifndef LOG_LFMT 1184 # define LOG_LFMT (14<<3) 1185 #endif 1186 #ifndef LOG_CONSOLE 1187 # define LOG_CONSOLE (14<<3) 1188 #endif 1189 1190 /* 1191 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1192 * another IP header and then 64 bits of data, totalling 56. Of course, 1193 * the last 64 bits is dependent on that being available. 1194 */ 1195 #define ICMPERR_ICMPHLEN 8 1196 #define ICMPERR_IPICMPHLEN (20 + 8) 1197 #define ICMPERR_MINPKTLEN (20 + 8 + 20) 1198 #define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1199 #define ICMP6ERR_MINPKTLEN (40 + 8) 1200 #define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1201 1202 #ifndef MIN 1203 # define MIN(a,b) (((a)<(b))?(a):(b)) 1204 #endif 1205 1206 #ifdef RESCUE 1207 # undef IPFILTER_BPF 1208 #endif 1209 1210 #ifdef IPF_DEBUG 1211 # define DPRINT(x) printf x 1212 #else 1213 # define DPRINT(x) 1214 #endif 1215 1216 #if defined(DTRACE_PROBE) && defined(_KERNEL) 1217 # define DT(_n) DTRACE_PROBE(_n) 1218 # define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1219 # define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1220 # define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1221 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1222 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1223 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1224 # define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) \ 1225 DTRACE_PROBE5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1226 #else 1227 # define DT(_n) 1228 # define DT1(_n,_a,_b) 1229 # define DT2(_n,_a,_b,_c,_d) 1230 # define DT3(_n,_a,_b,_c,_d,_e,_f) 1231 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1232 # define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1233 #endif 1234 1235 struct ip6_routing { 1236 u_char ip6r_nxt; /* next header */ 1237 u_char ip6r_len; /* length in units of 8 octets */ 1238 u_char ip6r_type; /* always zero */ 1239 u_char ip6r_segleft; /* segments left */ 1240 u_32_t ip6r_reserved; /* reserved field */ 1241 }; 1242 1243 #endif /* __IP_COMPAT_H__ */
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