1 /*- 2 * Copyright (c) 2006-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * Copyright (c) 2008-2011, by Brad Penoff. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * a) Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * b) Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * 17 * c) Neither the name of Cisco Systems, Inc. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __sctp_os_userspace_h__ 35 #define __sctp_os_userspace_h__ 36 /* 37 * Userspace includes 38 * All the opt_xxx.h files are placed in the kernel build directory. 39 * We will place them in userspace stack build directory. 40 */ 41 42 #include <errno.h> 43 44 #if defined(__Userspace_os_Windows) 45 #include <winsock2.h> 46 #include <ws2tcpip.h> 47 #include <iphlpapi.h> 48 #include <Mswsock.h> 49 #include <Windows.h> 50 #include "user_environment.h" 51 typedef CRITICAL_SECTION userland_mutex_t; 52 #if WINVER < 0x0600 53 enum { 54 C_SIGNAL = 0, 55 C_BROADCAST = 1, 56 C_MAX_EVENTS = 2 57 }; 58 typedef struct 59 { 60 u_int waiters_count; 61 CRITICAL_SECTION waiters_count_lock; 62 HANDLE events_[C_MAX_EVENTS]; 63 } userland_cond_t; 64 void InitializeXPConditionVariable(userland_cond_t *); 65 void DeleteXPConditionVariable(userland_cond_t *); 66 int SleepXPConditionVariable(userland_cond_t *, userland_mutex_t *); 67 void WakeAllXPConditionVariable(userland_cond_t *); 68 #define InitializeConditionVariable(cond) InitializeXPConditionVariable(cond) 69 #define DeleteConditionVariable(cond) DeleteXPConditionVariable(cond) 70 #define SleepConditionVariableCS(cond, mtx, time) SleepXPConditionVariable(cond, mtx) 71 #define WakeAllConditionVariable(cond) WakeAllXPConditionVariable(cond) 72 #else 73 #define DeleteConditionVariable(cond) 74 typedef CONDITION_VARIABLE userland_cond_t; 75 #endif 76 typedef HANDLE userland_thread_t; 77 #define ADDRESS_FAMILY unsigned __int8 78 #define IPVERSION 4 79 #define MAXTTL 255 80 /* VS2010 comes with stdint.h */ 81 #if _MSC_VER >= 1600 82 #include <stdint.h> 83 #else 84 #define uint64_t unsigned __int64 85 #define uint32_t unsigned __int32 86 #define int32_t __int32 87 #define uint16_t unsigned __int16 88 #define int16_t __int16 89 #define uint8_t unsigned __int8 90 #define int8_t __int8 91 #endif 92 #ifndef _SIZE_T_DEFINED 93 #define size_t __int32 94 #endif 95 #define u_long unsigned __int64 96 #define u_int unsigned __int32 97 #define u_int32_t unsigned __int32 98 #define u_int16_t unsigned __int16 99 #define u_int8_t unsigned __int8 100 #define u_char unsigned char 101 #define n_short unsigned __int16 102 #define u_short unsigned __int16 103 #define n_time unsigned __int32 104 #define sa_family_t unsigned __int8 105 #define ssize_t __int64 106 #define IFNAMSIZ 64 107 #define __func__ __FUNCTION__ 108 109 #ifndef EWOULDBLOCK 110 #define EWOULDBLOCK WSAEWOULDBLOCK 111 #endif 112 #ifndef EINPROGRESS 113 #define EINPROGRESS WSAEINPROGRESS 114 #endif 115 #ifndef EALREADY 116 #define EALREADY WSAEALREADY 117 #endif 118 #ifndef ENOTSOCK 119 #define ENOTSOCK WSAENOTSOCK 120 #endif 121 #ifndef EDESTADDRREQ 122 #define EDESTADDRREQ WSAEDESTADDRREQ 123 #endif 124 #ifndef EMSGSIZE 125 #define EMSGSIZE WSAEMSGSIZE 126 #endif 127 #ifndef EPROTOTYPE 128 #define EPROTOTYPE WSAEPROTOTYPE 129 #endif 130 #ifndef ENOPROTOOPT 131 #define ENOPROTOOPT WSAENOPROTOOPT 132 #endif 133 #ifndef EPROTONOSUPPORT 134 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT 135 #endif 136 #ifndef ESOCKTNOSUPPORT 137 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT 138 #endif 139 #ifndef EOPNOTSUPP 140 #define EOPNOTSUPP WSAEOPNOTSUPP 141 #endif 142 #ifndef ENOTSUP 143 #define ENOTSUP WSAEOPNOTSUPP 144 #endif 145 #ifndef EPFNOSUPPORT 146 #define EPFNOSUPPORT WSAEPFNOSUPPORT 147 #endif 148 #ifndef EAFNOSUPPORT 149 #define EAFNOSUPPORT WSAEAFNOSUPPORT 150 #endif 151 #ifndef EADDRINUSE 152 #define EADDRINUSE WSAEADDRINUSE 153 #endif 154 #ifndef EADDRNOTAVAIL 155 #define EADDRNOTAVAIL WSAEADDRNOTAVAIL 156 #endif 157 #ifndef ENETDOWN 158 #define ENETDOWN WSAENETDOWN 159 #endif 160 #ifndef ENETUNREACH 161 #define ENETUNREACH WSAENETUNREACH 162 #endif 163 #ifndef ENETRESET 164 #define ENETRESET WSAENETRESET 165 #endif 166 #ifndef ECONNABORTED 167 #define ECONNABORTED WSAECONNABORTED 168 #endif 169 #ifndef ECONNRESET 170 #define ECONNRESET WSAECONNRESET 171 #endif 172 #ifndef ENOBUFS 173 #define ENOBUFS WSAENOBUFS 174 #endif 175 #ifndef EISCONN 176 #define EISCONN WSAEISCONN 177 #endif 178 #ifndef ENOTCONN 179 #define ENOTCONN WSAENOTCONN 180 #endif 181 #ifndef ESHUTDOWN 182 #define ESHUTDOWN WSAESHUTDOWN 183 #endif 184 #ifndef ETOOMANYREFS 185 #define ETOOMANYREFS WSAETOOMANYREFS 186 #endif 187 #ifndef ETIMEDOUT 188 #define ETIMEDOUT WSAETIMEDOUT 189 #endif 190 #ifndef ECONNREFUSED 191 #define ECONNREFUSED WSAECONNREFUSED 192 #endif 193 #ifndef ELOOP 194 #define ELOOP WSAELOOP 195 #endif 196 #ifndef EHOSTDOWN 197 #define EHOSTDOWN WSAEHOSTDOWN 198 #endif 199 #ifndef EHOSTUNREACH 200 #define EHOSTUNREACH WSAEHOSTUNREACH 201 #endif 202 #ifndef EPROCLIM 203 #define EPROCLIM WSAEPROCLIM 204 #endif 205 #ifndef EUSERS 206 #define EUSERS WSAEUSERS 207 #endif 208 #ifndef EDQUOT 209 #define EDQUOT WSAEDQUOT 210 #endif 211 #ifndef ESTALE 212 #define ESTALE WSAESTALE 213 #endif 214 #ifndef EREMOTE 215 #define EREMOTE WSAEREMOTE 216 #endif 217 218 typedef char* caddr_t; 219 220 #define bzero(buf, len) memset(buf, 0, len) 221 #define bcopy(srcKey, dstKey, len) memcpy(dstKey, srcKey, len) 222 #define snprintf(data, size, format, ...) _snprintf_s(data, size, _TRUNCATE, format, __VA_ARGS__) 223 #define inline __inline 224 #define __inline__ __inline 225 #define random() rand() 226 #define srandom(s) srand(s) 227 #define MSG_EOR 0x8 /* data completes record */ 228 #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ 229 230 #ifdef CMSG_DATA 231 #undef CMSG_DATA 232 #endif 233 /* 234 * The following definitions should apply iff WINVER < 0x0600 235 * but that check doesn't work in all cases. So be more pedantic... 236 */ 237 #define CMSG_DATA(x) WSA_CMSG_DATA(x) 238 #define CMSG_ALIGN(x) WSA_CMSGDATA_ALIGN(x) 239 #ifndef CMSG_FIRSTHDR 240 #define CMSG_FIRSTHDR(x) WSA_CMSG_FIRSTHDR(x) 241 #endif 242 #ifndef CMSG_NXTHDR 243 #define CMSG_NXTHDR(x, y) WSA_CMSG_NXTHDR(x, y) 244 #endif 245 #ifndef CMSG_SPACE 246 #define CMSG_SPACE(x) WSA_CMSG_SPACE(x) 247 #endif 248 #ifndef CMSG_LEN 249 #define CMSG_LEN(x) WSA_CMSG_LEN(x) 250 #endif 251 252 /**** from sctp_os_windows.h ***************/ 253 #define SCTP_IFN_IS_IFT_LOOP(ifn) ((ifn)->ifn_type == IFT_LOOP) 254 #define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP) 255 256 /* 257 * Access to IFN's to help with src-addr-selection 258 */ 259 /* This could return VOID if the index works but for BSD we provide both. */ 260 #define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) \ 261 ((ro)->ro_rt != NULL ? (ro)->ro_rt->rt_ifp : NULL) 262 #define SCTP_ROUTE_HAS_VALID_IFN(ro) \ 263 ((ro)->ro_rt && (ro)->ro_rt->rt_ifp) 264 /******************************************/ 265 266 #define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing socket to determine */ 267 268 #define timeradd(tvp, uvp, vvp) \ 269 do { \ 270 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 271 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 272 if ((vvp)->tv_usec >= 1000000) { \ 273 (vvp)->tv_sec++; \ 274 (vvp)->tv_usec -= 1000000; \ 275 } \ 276 } while (0) 277 278 #define timersub(tvp, uvp, vvp) \ 279 do { \ 280 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 281 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 282 if ((vvp)->tv_usec < 0) { \ 283 (vvp)->tv_sec--; \ 284 (vvp)->tv_usec += 1000000; \ 285 } \ 286 } while (0) 287 288 #define BIG_ENDIAN 1 289 #define LITTLE_ENDIAN 0 290 #ifdef WORDS_BIGENDIAN 291 #define BYTE_ORDER BIG_ENDIAN 292 #else 293 #define BYTE_ORDER LITTLE_ENDIAN 294 #endif 295 296 struct iovec { 297 ULONG len; 298 CHAR FAR *buf; 299 }; 300 301 #define iov_base buf 302 #define iov_len len 303 304 struct ifa_msghdr { 305 unsigned __int16 ifam_msglen; 306 unsigned char ifam_version; 307 unsigned char ifam_type; 308 __int32 ifam_addrs; 309 __int32 ifam_flags; 310 unsigned __int16 ifam_index; 311 __int32 ifam_metric; 312 }; 313 314 struct ifdevmtu { 315 int ifdm_current; 316 int ifdm_min; 317 int ifdm_max; 318 }; 319 320 struct ifkpi { 321 unsigned int ifk_module_id; 322 unsigned int ifk_type; 323 union { 324 void *ifk_ptr; 325 int ifk_value; 326 } ifk_data; 327 }; 328 329 struct ifreq { 330 char ifr_name[16]; 331 union { 332 struct sockaddr ifru_addr; 333 struct sockaddr ifru_dstaddr; 334 struct sockaddr ifru_broadaddr; 335 short ifru_flags; 336 int ifru_metric; 337 int ifru_mtu; 338 int ifru_phys; 339 int ifru_media; 340 int ifru_intval; 341 char* ifru_data; 342 struct ifdevmtu ifru_devmtu; 343 struct ifkpi ifru_kpi; 344 unsigned __int32 ifru_wake_flags; 345 } ifr_ifru; 346 #define ifr_addr ifr_ifru.ifru_addr 347 #define ifr_dstaddr ifr_ifru.ifru_dstaddr 348 #define ifr_broadaddr ifr_ifru.ifru_broadaddr 349 #define ifr_flags ifr_ifru.ifru_flags[0] 350 #define ifr_prevflags ifr_ifru.ifru_flags[1] 351 #define ifr_metric ifr_ifru.ifru_metric 352 #define ifr_mtu ifr_ifru.ifru_mtu 353 #define ifr_phys ifr_ifru.ifru_phys 354 #define ifr_media ifr_ifru.ifru_media 355 #define ifr_data ifr_ifru.ifru_data 356 #define ifr_devmtu ifr_ifru.ifru_devmtu 357 #define ifr_intval ifr_ifru.ifru_intval 358 #define ifr_kpi ifr_ifru.ifru_kpi 359 #define ifr_wake_flags ifr_ifru.ifru_wake_flags 360 }; 361 362 /*#include <packon.h> 363 #pragma pack(push, 1)*/ 364 struct ip { 365 u_char ip_hl:4, ip_v:4; 366 u_char ip_tos; 367 u_short ip_len; 368 u_short ip_id; 369 u_short ip_off; 370 #define IP_RP 0x8000 371 #define IP_DF 0x4000 372 #define IP_MF 0x2000 373 #define IP_OFFMASK 0x1fff 374 u_char ip_ttl; 375 u_char ip_p; 376 u_short ip_sum; 377 struct in_addr ip_src, ip_dst; 378 }; 379 380 struct ifaddrs { 381 struct ifaddrs *ifa_next; 382 char *ifa_name; 383 unsigned int ifa_flags; 384 struct sockaddr *ifa_addr; 385 struct sockaddr *ifa_netmask; 386 struct sockaddr *ifa_dstaddr; 387 void *ifa_data; 388 }; 389 390 struct udphdr { 391 unsigned __int16 uh_sport; 392 unsigned __int16 uh_dport; 393 unsigned __int16 uh_ulen; 394 unsigned __int16 uh_sum; 395 }; 396 397 int Win_getifaddrs(struct ifaddrs**); 398 #define getifaddrs(interfaces) (int)Win_getifaddrs(interfaces) 399 int win_if_nametoindex(const char *); 400 #define if_nametoindex(x) win_if_nametoindex(x) 401 402 #else /* !defined(Userspace_os_Windows) */ 403 #include <sys/cdefs.h> /* needed? added from old __FreeBSD__ */ 404 #include <sys/socket.h> 405 #if defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) || defined(__Userspace_os_Linux) || defined(__Userspace_os_NetBSD) || defined(__Userspace_os_OpenBSD) 406 #include <pthread.h> 407 #endif 408 typedef pthread_mutex_t userland_mutex_t; 409 typedef pthread_cond_t userland_cond_t; 410 typedef pthread_t userland_thread_t; 411 #endif 412 413 #define mtx_lock(arg1) 414 #define mtx_unlock(arg1) 415 #define mtx_assert(arg1,arg2) 416 #define MA_OWNED 7 /* sys/mutex.h typically on FreeBSD */ 417 #if !defined(__Userspace_os_FreeBSD) 418 struct mtx {int dummy;}; 419 #if !defined(__Userspace_os_NetBSD) 420 struct selinfo {int dummy;}; 421 #endif 422 struct sx {int dummy;}; 423 #endif 424 425 #include <stdio.h> 426 #include <string.h> 427 /* #include <sys/param.h> in FreeBSD defines MSIZE */ 428 /* #include <sys/ktr.h> */ 429 /* #include <sys/systm.h> */ 430 #if defined(__Userspace_os_Windows) 431 #include <user_queue.h> 432 #else 433 #include <sys/queue.h> 434 #endif 435 #include <user_malloc.h> 436 /* #include <sys/kernel.h> */ 437 /* #include <sys/sysctl.h> */ 438 /* #include <sys/protosw.h> */ 439 /* on FreeBSD, this results in a redefintion of SOCK(BUF)_(UN)LOCK and 440 * uknown type of struct mtx for sb_mtx in struct sockbuf */ 441 #include "user_socketvar.h" /* MALLOC_DECLARE's M_PCB. Replacement for sys/socketvar.h */ 442 /* #include <sys/jail.h> */ 443 /* #include <sys/sysctl.h> */ 444 #include <user_environment.h> 445 #include <user_atomic.h> 446 #include <user_mbuf.h> 447 /* #include <sys/uio.h> */ 448 /* #include <sys/lock.h> */ 449 #if defined(__FreeBSD__) && __FreeBSD_version > 602000 450 #include <sys/rwlock.h> 451 #endif 452 /* #include <sys/kthread.h> */ 453 #if defined(__FreeBSD__) && __FreeBSD_version > 602000 454 #include <sys/priv.h> 455 #endif 456 /* #include <sys/random.h> */ 457 /* #include <sys/limits.h> */ 458 /* #include <machine/cpu.h> */ 459 460 #if defined(__Userspace_os_Darwin) 461 /* was a 0 byte file. needed for structs if_data(64) and net_event_data */ 462 #include <net/if_var.h> 463 #endif 464 #if defined(__Userspace_os_FreeBSD) 465 #include <net/if_types.h> 466 /* #include <net/if_var.h> was a 0 byte file. causes struct mtx redefinition */ 467 #endif 468 /* OOTB only - dummy route used at the moment. should we port route to 469 * userspace as well? */ 470 /* on FreeBSD, this results in a redefintion of struct route */ 471 /* #include <net/route.h> */ 472 #if !defined(__Userspace_os_Windows) 473 #include <net/if.h> 474 #include <netinet/in.h> 475 #include <netinet/in_systm.h> 476 #include <netinet/ip.h> 477 #endif 478 #if defined INET 479 #if defined(__Userspace_os_Windows) 480 #include <user_ip_icmp.h> 481 #else 482 #include <netinet/ip_icmp.h> 483 #endif 484 #endif 485 /* #include <netinet/in_pcb.h> ported to userspace */ 486 #include <user_inpcb.h> 487 488 /* for getifaddrs */ 489 #include <sys/types.h> 490 #if !defined(__Userspace_os_Windows) 491 #if defined(INET) || defined(INET6) 492 #include <ifaddrs.h> 493 #endif 494 495 /* for ioctl */ 496 #include <sys/ioctl.h> 497 498 /* for close, etc. */ 499 #include <unistd.h> 500 #endif 501 502 /* lots of errno's used and needed in userspace */ 503 504 /* for offsetof */ 505 #include <stddef.h> 506 507 #if defined(SCTP_PROCESS_LEVEL_LOCKS) && !defined(__Userspace_os_Windows) 508 /* for pthread_mutex_lock, pthread_mutex_unlock, etc. */ 509 #include <pthread.h> 510 #endif 511 512 #ifdef IPSEC 513 #include <netipsec/ipsec.h> 514 #include <netipsec/key.h> 515 #endif /* IPSEC */ 516 517 #ifdef INET6 518 #if defined(__Userspace_os_FreeBSD) 519 #include <sys/domain.h> 520 #endif 521 #ifdef IPSEC 522 #include <netipsec/ipsec6.h> 523 #endif 524 #if !defined(__Userspace_os_Windows) 525 #include <netinet/ip6.h> 526 #include <netinet/icmp6.h> 527 #endif 528 #if defined(__Userspace_os_Darwin) || defined(__Userspace_os_FreeBSD) || defined(__Userspace_os_Linux) || defined(__Userspace_os_NetBSD) || defined(__Userspace_os_OpenBSD) || defined(__Userspace_os_Windows) 529 #include "user_ip6_var.h" 530 #else 531 #include <netinet6/ip6_var.h> 532 #endif 533 #if defined(__Userspace_os_FreeBSD) 534 #include <netinet6/in6_pcb.h> 535 #include <netinet6/ip6protosw.h> 536 /* #include <netinet6/nd6.h> was a 0 byte file */ 537 #include <netinet6/scope6_var.h> 538 #endif 539 #endif /* INET6 */ 540 541 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT) 542 #include <sys/file.h> 543 #include <sys/filedesc.h> 544 #endif 545 546 #include "netinet/sctp_sha1.h" 547 548 #if __FreeBSD_version >= 700000 549 #include <netinet/ip_options.h> 550 #endif 551 552 #define SCTP_PRINTF(...) \ 553 if (SCTP_BASE_VAR(debug_printf)) { \ 554 SCTP_BASE_VAR(debug_printf)(__VA_ARGS__); \ 555 } 556 557 #if defined(__FreeBSD__) 558 #ifndef in6pcb 559 #define in6pcb inpcb 560 #endif 561 #endif 562 /* Declare all the malloc names for all the various mallocs */ 563 MALLOC_DECLARE(SCTP_M_MAP); 564 MALLOC_DECLARE(SCTP_M_STRMI); 565 MALLOC_DECLARE(SCTP_M_STRMO); 566 MALLOC_DECLARE(SCTP_M_ASC_ADDR); 567 MALLOC_DECLARE(SCTP_M_ASC_IT); 568 MALLOC_DECLARE(SCTP_M_AUTH_CL); 569 MALLOC_DECLARE(SCTP_M_AUTH_KY); 570 MALLOC_DECLARE(SCTP_M_AUTH_HL); 571 MALLOC_DECLARE(SCTP_M_AUTH_IF); 572 MALLOC_DECLARE(SCTP_M_STRESET); 573 MALLOC_DECLARE(SCTP_M_CMSG); 574 MALLOC_DECLARE(SCTP_M_COPYAL); 575 MALLOC_DECLARE(SCTP_M_VRF); 576 MALLOC_DECLARE(SCTP_M_IFA); 577 MALLOC_DECLARE(SCTP_M_IFN); 578 MALLOC_DECLARE(SCTP_M_TIMW); 579 MALLOC_DECLARE(SCTP_M_MVRF); 580 MALLOC_DECLARE(SCTP_M_ITER); 581 MALLOC_DECLARE(SCTP_M_SOCKOPT); 582 583 #if defined(SCTP_LOCAL_TRACE_BUF) 584 585 #define SCTP_GET_CYCLECOUNT get_cyclecount() 586 #define SCTP_CTR6 sctp_log_trace 587 588 #else 589 #define SCTP_CTR6 CTR6 590 #endif 591 592 /* Empty ktr statement for _Userspace__ (similar to what is done for mac) */ 593 #define CTR6(m, d, p1, p2, p3, p4, p5, p6) 594 595 596 597 #define SCTP_BASE_INFO(__m) system_base_info.sctppcbinfo.__m 598 #define SCTP_BASE_STATS system_base_info.sctpstat 599 #define SCTP_BASE_STAT(__m) system_base_info.sctpstat.__m 600 #define SCTP_BASE_SYSCTL(__m) system_base_info.sctpsysctl.__m 601 #define SCTP_BASE_VAR(__m) system_base_info.__m 602 603 /* 604 * 605 */ 606 #if !defined(__Userspace_os_Darwin) 607 #define USER_ADDR_NULL (NULL) /* FIX ME: temp */ 608 #endif 609 610 #if defined(SCTP_DEBUG) 611 #include <netinet/sctp_constants.h> 612 #define SCTPDBG(level, ...) \ 613 { \ 614 do { \ 615 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level) { \ 616 SCTP_PRINTF(__VA_ARGS__); \ 617 } \ 618 } while (0); \ 619 } 620 #define SCTPDBG_ADDR(level, addr) \ 621 { \ 622 do { \ 623 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \ 624 sctp_print_address(addr); \ 625 } \ 626 } while (0); \ 627 } 628 #else 629 #define SCTPDBG(level, ...) 630 #define SCTPDBG_ADDR(level, addr) 631 #endif 632 633 #ifdef SCTP_LTRACE_CHUNKS 634 #define SCTP_LTRACE_CHK(a, b, c, d) if(sctp_logging_level & SCTP_LTRACE_CHUNK_ENABLE) CTR6(KTR_SUBSYS, "SCTP:%d[%d]:%x-%x-%x-%x", SCTP_LOG_CHUNK_PROC, 0, a, b, c, d) 635 #else 636 #define SCTP_LTRACE_CHK(a, b, c, d) 637 #endif 638 639 #ifdef SCTP_LTRACE_ERRORS 640 #define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) \ 641 if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \ 642 SCTP_PRINTF("mbuf:%p inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \ 643 (void *)m, (void *)inp, (void *)stcb, (void *)net, file, __LINE__, err); 644 #define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) \ 645 if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \ 646 SCTP_PRINTF("inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \ 647 (void *)inp, (void *)stcb, (void *)net, file, __LINE__, err); 648 #else 649 #define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) 650 #define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) 651 #endif 652 653 654 /* 655 * Local address and interface list handling 656 */ 657 #define SCTP_MAX_VRF_ID 0 658 #define SCTP_SIZE_OF_VRF_HASH 3 659 #define SCTP_IFNAMSIZ IFNAMSIZ 660 #define SCTP_DEFAULT_VRFID 0 661 #define SCTP_VRF_ADDR_HASH_SIZE 16 662 #define SCTP_VRF_IFN_HASH_SIZE 3 663 #define SCTP_INIT_VRF_TABLEID(vrf) 664 665 #if !defined(__Userspace_os_Windows) 666 #define SCTP_IFN_IS_IFT_LOOP(ifn) (strncmp((ifn)->ifn_name, "lo", 2) == 0) 667 /* BSD definition */ 668 /* #define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP) */ 669 /* only used in IPv6 scenario, which isn't supported yet */ 670 #define SCTP_ROUTE_IS_REAL_LOOP(ro) 0 671 672 /* 673 * Access to IFN's to help with src-addr-selection 674 */ 675 /* This could return VOID if the index works but for BSD we provide both. */ 676 #define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) (void *)ro->ro_rt->rt_ifp 677 #define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing socket to determine */ 678 #define SCTP_ROUTE_HAS_VALID_IFN(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifp) 679 #endif 680 681 /* 682 * general memory allocation 683 */ 684 #define SCTP_MALLOC(var, type, size, name) \ 685 do { \ 686 MALLOC(var, type, size, name, M_NOWAIT); \ 687 } while (0) 688 689 #define SCTP_FREE(var, type) FREE(var, type) 690 691 #define SCTP_MALLOC_SONAME(var, type, size) \ 692 do { \ 693 MALLOC(var, type, size, M_SONAME, (M_WAITOK | M_ZERO)); \ 694 } while (0) 695 696 #define SCTP_FREE_SONAME(var) FREE(var, M_SONAME) 697 698 #define SCTP_PROCESS_STRUCT struct proc * 699 700 /* 701 * zone allocation functions 702 */ 703 704 705 #if defined(SCTP_SIMPLE_ALLOCATOR) 706 /*typedef size_t sctp_zone_t;*/ 707 #define SCTP_ZONE_INIT(zone, name, size, number) { \ 708 zone = size; \ 709 } 710 711 /* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */ 712 #define SCTP_ZONE_GET(zone, type) \ 713 (type *)malloc(zone); 714 715 716 /* __Userspace__ SCTP_ZONE_FREE: free element from the zone */ 717 #define SCTP_ZONE_FREE(zone, element) { \ 718 free(element); \ 719 } 720 721 #define SCTP_ZONE_DESTROY(zone) 722 #else 723 /*__Userspace__ 724 Compiling & linking notes: Needs libumem, which has been placed in ./user_lib 725 All userspace header files are in ./user_include. Makefile will need the 726 following. 727 CFLAGS = -I./ -Wall 728 LDFLAGS = -L./user_lib -R./user_lib -lumem 729 */ 730 #include "user_include/umem.h" 731 732 /* __Userspace__ SCTP_ZONE_INIT: initialize the zone */ 733 /* 734 __Userspace__ 735 No equivalent function to uma_zone_set_max added yet. (See SCTP_ZONE_INIT in sctp_os_bsd.h 736 for reference). It may not be required as mentioned in 737 http://nixdoc.net/man-pages/FreeBSD/uma_zalloc.9.html that 738 max limits may not enforced on systems with more than one CPU. 739 */ 740 #define SCTP_ZONE_INIT(zone, name, size, number) { \ 741 zone = umem_cache_create(name, size, 0, NULL, NULL, NULL, NULL, NULL, 0); \ 742 } 743 744 /* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */ 745 #define SCTP_ZONE_GET(zone, type) \ 746 (type *)umem_cache_alloc(zone, UMEM_DEFAULT); 747 748 749 /* __Userspace__ SCTP_ZONE_FREE: free element from the zone */ 750 #define SCTP_ZONE_FREE(zone, element) \ 751 umem_cache_free(zone, element); 752 753 754 /* __Userspace__ SCTP_ZONE_DESTROY: destroy the zone */ 755 #define SCTP_ZONE_DESTROY(zone) \ 756 umem_cache_destroy(zone); 757 #endif 758 759 /* global struct ifaddrs used in sctp_init_ifns_for_vrf getifaddrs call 760 * but references to fields are needed to persist as the vrf is queried. 761 * getifaddrs allocates memory that needs to be freed with a freeifaddrs 762 * call; this global is used to call freeifaddrs upon in sctp_pcb_finish 763 */ 764 extern struct ifaddrs *g_interfaces; 765 766 767 /* 768 * __Userspace__ Defining sctp_hashinit_flags() and sctp_hashdestroy() for userland. 769 */ 770 void *sctp_hashinit_flags(int elements, struct malloc_type *type, 771 u_long *hashmask, int flags); 772 void 773 sctp_hashdestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask); 774 775 void 776 sctp_hashfreedestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask); 777 778 779 #define HASH_NOWAIT 0x00000001 780 #define HASH_WAITOK 0x00000002 781 782 /* M_PCB is MALLOC_DECLARE'd in sys/socketvar.h */ 783 #define SCTP_HASH_INIT(size, hashmark) sctp_hashinit_flags(size, M_PCB, hashmark, HASH_NOWAIT) 784 785 #define SCTP_HASH_FREE(table, hashmark) sctp_hashdestroy(table, M_PCB, hashmark) 786 787 #define SCTP_HASH_FREE_DESTROY(table, hashmark) sctp_hashfreedestroy(table, M_PCB, hashmark) 788 #define SCTP_M_COPYM m_copym 789 790 /* 791 * timers 792 */ 793 /* __Userspace__ 794 * user_sctp_callout.h has typedef struct sctp_callout sctp_os_timer_t; 795 * which is used in the timer related functions such as 796 * SCTP_OS_TIMER_INIT etc. 797 */ 798 #include <netinet/sctp_callout.h> 799 800 /* __Userspace__ Creating a receive thread */ 801 #include <user_recv_thread.h> 802 803 /*__Userspace__ defining KTR_SUBSYS 1 as done in sctp_os_macosx.h */ 804 #define KTR_SUBSYS 1 805 806 #define sctp_get_tick_count() (ticks) 807 808 /* The packed define for 64 bit platforms */ 809 #if !defined(__Userspace_os_Windows) 810 #define SCTP_PACKED __attribute__((packed)) 811 #define SCTP_UNUSED __attribute__((unused)) 812 #else 813 #define SCTP_PACKED 814 #define SCTP_UNUSED 815 #endif 816 817 /* 818 * Functions 819 */ 820 /* Mbuf manipulation and access macros */ 821 #define SCTP_BUF_LEN(m) (m->m_len) 822 #define SCTP_BUF_NEXT(m) (m->m_next) 823 #define SCTP_BUF_NEXT_PKT(m) (m->m_nextpkt) 824 #define SCTP_BUF_RESV_UF(m, size) m->m_data += size 825 #define SCTP_BUF_AT(m, size) m->m_data + size 826 #define SCTP_BUF_IS_EXTENDED(m) (m->m_flags & M_EXT) 827 #define SCTP_BUF_EXTEND_SIZE(m) (m->m_ext.ext_size) 828 #define SCTP_BUF_TYPE(m) (m->m_type) 829 #define SCTP_BUF_RECVIF(m) (m->m_pkthdr.rcvif) 830 #define SCTP_BUF_PREPEND M_PREPEND 831 832 #define SCTP_ALIGN_TO_END(m, len) if(m->m_flags & M_PKTHDR) { \ 833 MH_ALIGN(m, len); \ 834 } else if ((m->m_flags & M_EXT) == 0) { \ 835 M_ALIGN(m, len); \ 836 } 837 838 /* We make it so if you have up to 4 threads 839 * writting based on the default size of 840 * the packet log 65 k, that would be 841 * 4 16k packets before we would hit 842 * a problem. 843 */ 844 #define SCTP_PKTLOG_WRITERS_NEED_LOCK 3 845 846 847 /* 848 * routes, output, etc. 849 */ 850 851 typedef struct sctp_route sctp_route_t; 852 typedef struct sctp_rtentry sctp_rtentry_t; 853 854 static inline void sctp_userspace_rtalloc(sctp_route_t *ro) 855 { 856 if (ro->ro_rt != NULL) { 857 ro->ro_rt->rt_refcnt++; 858 return; 859 } 860 861 ro->ro_rt = (sctp_rtentry_t *) malloc(sizeof(sctp_rtentry_t)); 862 if (ro->ro_rt == NULL) 863 return; 864 865 /* initialize */ 866 memset(ro->ro_rt, 0, sizeof(sctp_rtentry_t)); 867 ro->ro_rt->rt_refcnt = 1; 868 869 /* set MTU */ 870 /* TODO set this based on the ro->ro_dst, looking up MTU with routing socket */ 871 #if 0 872 if (userspace_rawroute == -1) { 873 userspace_rawroute = socket(AF_ROUTE, SOCK_RAW, 0); 874 if (userspace_rawroute == -1) 875 return; 876 } 877 #endif 878 ro->ro_rt->rt_rmx.rmx_mtu = 1500; /* FIXME temporary solution */ 879 880 /* TODO enable the ability to obtain interface index of route for 881 * SCTP_GET_IF_INDEX_FROM_ROUTE macro. 882 */ 883 } 884 #define SCTP_RTALLOC(ro, vrf_id) sctp_userspace_rtalloc((sctp_route_t *)ro) 885 886 /* dummy rtfree needed once user_route.h is included */ 887 static inline void sctp_userspace_rtfree(sctp_rtentry_t *rt) 888 { 889 if(rt == NULL) { 890 return; 891 } 892 if(--rt->rt_refcnt > 0) { 893 return; 894 } 895 free(rt); 896 rt = NULL; 897 } 898 #define rtfree(arg1) sctp_userspace_rtfree(arg1) 899 900 901 /*************************/ 902 /* MTU */ 903 /*************************/ 904 int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af); 905 906 #define SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, af) sctp_userspace_get_mtu_from_ifn(ifn_index, af) 907 908 #define SCTP_GATHER_MTU_FROM_ROUTE(sctp_ifa, sa, rt) ((rt != NULL) ? rt->rt_rmx.rmx_mtu : 0) 909 910 #define SCTP_GATHER_MTU_FROM_INTFC(sctp_ifn) sctp_userspace_get_mtu_from_ifn(if_nametoindex(((struct ifaddrs *) (sctp_ifn))->ifa_name), AF_INET) 911 912 #define SCTP_SET_MTU_OF_ROUTE(sa, rt, mtu) do { \ 913 if (rt != NULL) \ 914 rt->rt_rmx.rmx_mtu = mtu; \ 915 } while(0) 916 917 /* (de-)register interface event notifications */ 918 #define SCTP_REGISTER_INTERFACE(ifhandle, af) 919 #define SCTP_DEREGISTER_INTERFACE(ifhandle, af) 920 921 922 /*************************/ 923 /* These are for logging */ 924 /*************************/ 925 /* return the base ext data pointer */ 926 #define SCTP_BUF_EXTEND_BASE(m) (m->m_ext.ext_buf) 927 /* return the refcnt of the data pointer */ 928 #define SCTP_BUF_EXTEND_REFCNT(m) (*m->m_ext.ref_cnt) 929 /* return any buffer related flags, this is 930 * used beyond logging for apple only. 931 */ 932 #define SCTP_BUF_GET_FLAGS(m) (m->m_flags) 933 934 /* For BSD this just accesses the M_PKTHDR length 935 * so it operates on an mbuf with hdr flag. Other 936 * O/S's may have seperate packet header and mbuf 937 * chain pointers.. thus the macro. 938 */ 939 #define SCTP_HEADER_TO_CHAIN(m) (m) 940 #define SCTP_DETACH_HEADER_FROM_CHAIN(m) 941 #define SCTP_HEADER_LEN(m) ((m)->m_pkthdr.len) 942 #define SCTP_GET_HEADER_FOR_OUTPUT(o_pak) 0 943 #define SCTP_RELEASE_HEADER(m) 944 #define SCTP_RELEASE_PKT(m) sctp_m_freem(m) 945 /* UDP __Userspace__ - dummy definition */ 946 #define SCTP_ENABLE_UDP_CSUM(m) m=m 947 /* BSD definition */ 948 /* #define SCTP_ENABLE_UDP_CSUM(m) do { \ */ 949 /* m->m_pkthdr.csum_flags = CSUM_UDP; \ */ 950 /* m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); \ */ 951 /* } while (0) */ 952 953 #define SCTP_GET_PKT_VRFID(m, vrf_id) ((vrf_id = SCTP_DEFAULT_VRFID) != SCTP_DEFAULT_VRFID) 954 955 956 957 /* Attach the chain of data into the sendable packet. */ 958 #define SCTP_ATTACH_CHAIN(pak, m, packet_length) do { \ 959 pak = m; \ 960 pak->m_pkthdr.len = packet_length; \ 961 } while(0) 962 963 /* Other m_pkthdr type things */ 964 /* FIXME need real definitions */ 965 #define SCTP_IS_IT_BROADCAST(dst, m) 0 966 /* OOTB only #define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_broadcast(dst, m->m_pkthdr.rcvif) : 0) BSD def */ 967 #define SCTP_IS_IT_LOOPBACK(m) 0 968 /* OOTB ONLY #define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_pkthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP))) BSD def */ 969 970 971 /* This converts any input packet header 972 * into the chain of data holders, for BSD 973 * its a NOP. 974 */ 975 976 /* get the v6 hop limit */ 977 #define SCTP_GET_HLIM(inp, ro) 128 /* As done for __Windows__ */ 978 #define IPv6_HOP_LIMIT 128 979 980 /* is the endpoint v6only? */ 981 #define SCTP_IPV6_V6ONLY(inp) (((struct inpcb *)inp)->inp_flags & IN6P_IPV6_V6ONLY) 982 /* is the socket non-blocking? */ 983 #define SCTP_SO_IS_NBIO(so) ((so)->so_state & SS_NBIO) 984 #define SCTP_SET_SO_NBIO(so) ((so)->so_state |= SS_NBIO) 985 #define SCTP_CLEAR_SO_NBIO(so) ((so)->so_state &= ~SS_NBIO) 986 /* get the socket type */ 987 #define SCTP_SO_TYPE(so) ((so)->so_type) 988 989 /* reserve sb space for a socket */ 990 #define SCTP_SORESERVE(so, send, recv) soreserve(so, send, recv) 991 992 /* wakeup a socket */ 993 #define SCTP_SOWAKEUP(so) wakeup(&(so)->so_timeo, so) 994 /* clear the socket buffer state */ 995 #define SCTP_SB_CLEAR(sb) \ 996 (sb).sb_cc = 0; \ 997 (sb).sb_mb = NULL; \ 998 (sb).sb_mbcnt = 0; 999 1000 #define SCTP_SB_LIMIT_RCV(so) so->so_rcv.sb_hiwat 1001 #define SCTP_SB_LIMIT_SND(so) so->so_snd.sb_hiwat 1002 1003 /* Future zero copy wakeup/send function */ 1004 #define SCTP_ZERO_COPY_EVENT(inp, so) 1005 /* This is re-pulse ourselves for sendbuf */ 1006 #define SCTP_ZERO_COPY_SENDQ_EVENT(inp, so) 1007 1008 #define SCTP_READ_RANDOM(buf, len) read_random(buf, len) 1009 1010 #define SCTP_SHA1_CTX struct sctp_sha1_context 1011 #define SCTP_SHA1_INIT sctp_sha1_init 1012 #define SCTP_SHA1_UPDATE sctp_sha1_update 1013 #define SCTP_SHA1_FINAL(x,y) sctp_sha1_final((unsigned char *)x, y) 1014 1015 /* start OOTB only stuff */ 1016 /* TODO IFT_LOOP is in net/if_types.h on Linux */ 1017 #define IFT_LOOP 0x18 1018 1019 /* sctp_pcb.h */ 1020 1021 #if defined(__Userspace_os_Windows) 1022 #define SHUT_RD 1 1023 #define SHUT_WR 2 1024 #define SHUT_RDWR 3 1025 #endif 1026 #define PRU_FLUSH_RD SHUT_RD 1027 #define PRU_FLUSH_WR SHUT_WR 1028 #define PRU_FLUSH_RDWR SHUT_RDWR 1029 1030 /* netinet/ip_var.h defintions are behind an if defined for _KERNEL on FreeBSD */ 1031 #define IP_RAWOUTPUT 0x2 1032 1033 1034 /* end OOTB only stuff */ 1035 1036 #define AF_CONN 123 1037 struct sockaddr_conn { 1038 #ifdef HAVE_SCONN_LEN 1039 uint8_t sconn_len; 1040 #endif 1041 uint8_t sconn_family; 1042 uint16_t sconn_port; 1043 void *sconn_addr; 1044 }; 1045 1046 /* 1047 * SCTP protocol specific mbuf flags. 1048 */ 1049 #define M_NOTIFICATION M_PROTO5 /* SCTP notification */ 1050 1051 /* 1052 * IP output routines 1053 */ 1054 1055 /* Defining SCTP_IP_ID macro. 1056 In netinet/ip_output.c, we have u_short ip_id; 1057 In netinet/ip_var.h, we have extern u_short ip_id; (enclosed within _KERNEL_) 1058 See static __inline uint16_t ip_newid(void) in netinet/ip_var.h 1059 */ 1060 #define SCTP_IP_ID(inp) (ip_id) 1061 1062 /* need sctphdr to get port in SCTP_IP_OUTPUT. sctphdr defined in sctp.h */ 1063 #include <netinet/sctp.h> 1064 extern void sctp_userspace_ip_output(int *result, struct mbuf *o_pak, 1065 sctp_route_t *ro, void *stcb, 1066 uint32_t vrf_id); 1067 1068 #define SCTP_IP_OUTPUT(result, o_pak, ro, stcb, vrf_id) sctp_userspace_ip_output(&result, o_pak, ro, stcb, vrf_id); 1069 1070 #if defined(INET6) 1071 extern void sctp_userspace_ip6_output(int *result, struct mbuf *o_pak, 1072 struct route_in6 *ro, void *stcb, 1073 uint32_t vrf_id); 1074 #define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) sctp_userspace_ip6_output(&result, o_pak, ro, stcb, vrf_id); 1075 #endif 1076 1077 1078 1079 #if 0 1080 #define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) \ 1081 { \ 1082 if (stcb && stcb->sctp_ep) \ 1083 result = ip6_output(o_pak, \ 1084 ((struct in6pcb *)(stcb->sctp_ep))->in6p_outputopts, \ 1085 (ro), 0, 0, ifp, NULL); \ 1086 else \ 1087 result = ip6_output(o_pak, NULL, (ro), 0, 0, ifp, NULL); \ 1088 } 1089 #endif 1090 1091 struct mbuf * 1092 sctp_get_mbuf_for_msg(unsigned int space_needed, int want_header, int how, int allonebuf, int type); 1093 1094 1095 /* with the current included files, this is defined in Linux but 1096 * in FreeBSD, it is behind a _KERNEL in sys/socket.h ... 1097 */ 1098 #if defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) || defined(__Userspace_os_OpenBSD) 1099 /* stolen from /usr/include/sys/socket.h */ 1100 #define CMSG_ALIGN(n) _ALIGN(n) 1101 #elif defined(__Userspace_os_NetBSD) 1102 #define CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES) 1103 #elif defined(__Userspace_os_Darwin) 1104 #if !defined(__DARWIN_ALIGNBYTES) 1105 #define __DARWIN_ALIGNBYTES (sizeof(__darwin_size_t) - 1) 1106 #endif 1107 1108 #if !defined(__DARWIN_ALIGN) 1109 #define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES) 1110 #endif 1111 1112 #if !defined(__DARWIN_ALIGNBYTES32) 1113 #define __DARWIN_ALIGNBYTES32 (sizeof(__uint32_t) - 1) 1114 #endif 1115 1116 #if !defined(__DARWIN_ALIGN32) 1117 #define __DARWIN_ALIGN32(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __DARWIN_ALIGNBYTES32) &~ __DARWIN_ALIGNBYTES32) 1118 #endif 1119 #define CMSG_ALIGN(n) __DARWIN_ALIGN32(n) 1120 #endif 1121 #define I_AM_HERE \ 1122 do { \ 1123 SCTP_PRINTF("%s:%d at %s\n", __FILE__, __LINE__ , __FUNCTION__); \ 1124 } while (0) 1125 1126 #ifndef timevalsub 1127 #define timevalsub(tp1, tp2) \ 1128 do { \ 1129 (tp1)->tv_sec -= (tp2)->tv_sec; \ 1130 (tp1)->tv_usec -= (tp2)->tv_usec; \ 1131 if ((tp1)->tv_usec < 0) { \ 1132 (tp1)->tv_sec--; \ 1133 (tp1)->tv_usec += 1000000; \ 1134 } \ 1135 } while (0) 1136 #endif 1137 1138 #if defined(__Userspace_os_Linux) 1139 #if !defined(TAILQ_FOREACH_SAFE) 1140 #define TAILQ_FOREACH_SAFE(var, head, field, tvar) \ 1141 for ((var) = ((head)->tqh_first); \ 1142 (var) && ((tvar) = TAILQ_NEXT((var), field), 1); \ 1143 (var) = (tvar)) 1144 #endif 1145 #if !defined(LIST_FOREACH_SAFE) 1146 #define LIST_FOREACH_SAFE(var, head, field, tvar) \ 1147 for ((var) = ((head)->lh_first); \ 1148 (var) && ((tvar) = LIST_NEXT((var), field), 1); \ 1149 (var) = (tvar)) 1150 #endif 1151 #endif 1152 #if defined(__Userspace_os_DragonFly) 1153 #define TAILQ_FOREACH_SAFE TAILQ_FOREACH_MUTABLE 1154 #define LIST_FOREACH_SAFE LIST_FOREACH_MUTABLE 1155 #endif 1156 #endif 1157
