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| 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 PURPOS
E | |
| 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 #define uint64_t unsigned __int64 | |
| 81 #define u_long unsigned __int64 | |
| 82 #define u_int unsigned __int32 | |
| 83 #define uint32_t unsigned __int32 | |
| 84 #define u_int32_t unsigned __int32 | |
| 85 #define int32_t __int32 | |
| 86 #define int16_t __int16 | |
| 87 #define uint16_t unsigned __int16 | |
| 88 #define u_int16_t unsigned __int16 | |
| 89 #define uint8_t unsigned __int8 | |
| 90 #define u_int8_t unsigned __int8 | |
| 91 #define int8_t __int8 | |
| 92 #define u_char unsigned char | |
| 93 #define n_short unsigned __int16 | |
| 94 #define u_short unsigned __int16 | |
| 95 #define ssize_t __int64 | |
| 96 #define size_t __int32 | |
| 97 #define in_addr_t unsigned __int32 | |
| 98 #define in_port_t unsigned __int16 | |
| 99 #define n_time unsigned __int32 | |
| 100 #define sa_family_t unsigned __int8 | |
| 101 #define IFNAMSIZ 64 | |
| 102 #define __func__ __FUNCTION__ | |
| 103 | |
| 104 #ifndef EWOULDBLOCK | |
| 105 #define EWOULDBLOCK WSAEWOULDBLOCK | |
| 106 #endif | |
| 107 #ifndef EINPROGRESS | |
| 108 #define EINPROGRESS WSAEINPROGRESS | |
| 109 #endif | |
| 110 #ifndef EALREADY | |
| 111 #define EALREADY WSAEALREADY | |
| 112 #endif | |
| 113 #ifndef ENOTSOCK | |
| 114 #define ENOTSOCK WSAENOTSOCK | |
| 115 #endif | |
| 116 #ifndef EDESTADDRREQ | |
| 117 #define EDESTADDRREQ WSAEDESTADDRREQ | |
| 118 #endif | |
| 119 #ifndef EMSGSIZE | |
| 120 #define EMSGSIZE WSAEMSGSIZE | |
| 121 #endif | |
| 122 #ifndef EPROTOTYPE | |
| 123 #define EPROTOTYPE WSAEPROTOTYPE | |
| 124 #endif | |
| 125 #ifndef ENOPROTOOPT | |
| 126 #define ENOPROTOOPT WSAENOPROTOOPT | |
| 127 #endif | |
| 128 #ifndef EPROTONOSUPPORT | |
| 129 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT | |
| 130 #endif | |
| 131 #ifndef ESOCKTNOSUPPORT | |
| 132 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT | |
| 133 #endif | |
| 134 #ifndef EOPNOTSUPP | |
| 135 #define EOPNOTSUPP WSAEOPNOTSUPP | |
| 136 #endif | |
| 137 #ifndef ENOTSUP | |
| 138 #define ENOTSUP WSAEOPNOTSUPP | |
| 139 #endif | |
| 140 #ifndef EPFNOSUPPORT | |
| 141 #define EPFNOSUPPORT WSAEPFNOSUPPORT | |
| 142 #endif | |
| 143 #ifndef EAFNOSUPPORT | |
| 144 #define EAFNOSUPPORT WSAEAFNOSUPPORT | |
| 145 #endif | |
| 146 #ifndef EADDRINUSE | |
| 147 #define EADDRINUSE WSAEADDRINUSE | |
| 148 #endif | |
| 149 #ifndef EADDRNOTAVAIL | |
| 150 #define EADDRNOTAVAIL WSAEADDRNOTAVAIL | |
| 151 #endif | |
| 152 #ifndef ENETDOWN | |
| 153 #define ENETDOWN WSAENETDOWN | |
| 154 #endif | |
| 155 #ifndef ENETUNREACH | |
| 156 #define ENETUNREACH WSAENETUNREACH | |
| 157 #endif | |
| 158 #ifndef ENETRESET | |
| 159 #define ENETRESET WSAENETRESET | |
| 160 #endif | |
| 161 #ifndef ECONNABORTED | |
| 162 #define ECONNABORTED WSAECONNABORTED | |
| 163 #endif | |
| 164 #ifndef ECONNRESET | |
| 165 #define ECONNRESET WSAECONNRESET | |
| 166 #endif | |
| 167 #ifndef ENOBUFS | |
| 168 #define ENOBUFS WSAENOBUFS | |
| 169 #endif | |
| 170 #ifndef EISCONN | |
| 171 #define EISCONN WSAEISCONN | |
| 172 #endif | |
| 173 #ifndef ENOTCONN | |
| 174 #define ENOTCONN WSAENOTCONN | |
| 175 #endif | |
| 176 #ifndef ESHUTDOWN | |
| 177 #define ESHUTDOWN WSAESHUTDOWN | |
| 178 #endif | |
| 179 #ifndef ETOOMANYREFS | |
| 180 #define ETOOMANYREFS WSAETOOMANYREFS | |
| 181 #endif | |
| 182 #ifndef ETIMEDOUT | |
| 183 #define ETIMEDOUT WSAETIMEDOUT | |
| 184 #endif | |
| 185 #ifndef ECONNREFUSED | |
| 186 #define ECONNREFUSED WSAECONNREFUSED | |
| 187 #endif | |
| 188 #ifndef ELOOP | |
| 189 #define ELOOP WSAELOOP | |
| 190 #endif | |
| 191 #ifndef EHOSTDOWN | |
| 192 #define EHOSTDOWN WSAEHOSTDOWN | |
| 193 #endif | |
| 194 #ifndef EHOSTUNREACH | |
| 195 #define EHOSTUNREACH WSAEHOSTUNREACH | |
| 196 #endif | |
| 197 #ifndef EPROCLIM | |
| 198 #define EPROCLIM WSAEPROCLIM | |
| 199 #endif | |
| 200 #ifndef EUSERS | |
| 201 #define EUSERS WSAEUSERS | |
| 202 #endif | |
| 203 #ifndef EDQUOT | |
| 204 #define EDQUOT WSAEDQUOT | |
| 205 #endif | |
| 206 #ifndef ESTALE | |
| 207 #define ESTALE WSAESTALE | |
| 208 #endif | |
| 209 #ifndef EREMOTE | |
| 210 #define EREMOTE WSAEREMOTE | |
| 211 #endif | |
| 212 | |
| 213 typedef char* caddr_t; | |
| 214 | |
| 215 int Win_getifaddrs(struct ifaddrs**); | |
| 216 #define getifaddrs(interfaces) (int)Win_getifaddrs(interfaces) | |
| 217 int win_if_nametoindex(const char *); | |
| 218 #define if_nametoindex(x) win_if_nametoindex(x) | |
| 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, name) _snprintf_s(data, size, _TRUNCATE, fo
rmat, name) | |
| 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 #define CMSG_DATA(x) WSA_CMSG_DATA(x) | |
| 234 #define CMSG_ALIGN(x) WSA_CMSGDATA_ALIGN(x) | |
| 235 #if WINVER < 0x0600 | |
| 236 #define CMSG_FIRSTHDR(x) WSA_CMSG_FIRSTHDR(x) | |
| 237 #define CMSG_NXTHDR(x, y) WSA_CMSG_NXTHDR(x, y) | |
| 238 #define CMSG_SPACE(x) WSA_CMSG_SPACE(x) | |
| 239 #define CMSG_LEN(x) WSA_CMSG_LEN(x) | |
| 240 #endif | |
| 241 | |
| 242 /**** from sctp_os_windows.h ***************/ | |
| 243 #define SCTP_IFN_IS_IFT_LOOP(ifn) ((ifn)->ifn_type == IFT_LOOP) | |
| 244 #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) | |
| 245 | |
| 246 /* | |
| 247 * Access to IFN's to help with src-addr-selection | |
| 248 */ | |
| 249 /* This could return VOID if the index works but for BSD we provide both. */ | |
| 250 #define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) \ | |
| 251 ((ro)->ro_rt != NULL ? (ro)->ro_rt->rt_ifp : NULL) | |
| 252 #define SCTP_ROUTE_HAS_VALID_IFN(ro) \ | |
| 253 ((ro)->ro_rt && (ro)->ro_rt->rt_ifp) | |
| 254 /******************************************/ | |
| 255 | |
| 256 #define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing sock
et to determine */ | |
| 257 | |
| 258 #define timeradd(tvp, uvp, vvp) \ | |
| 259 do { \ | |
| 260 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ | |
| 261 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ | |
| 262 if ((vvp)->tv_usec >= 1000000) { \ | |
| 263 (vvp)->tv_sec++; \ | |
| 264 (vvp)->tv_usec -= 1000000; \ | |
| 265 } \ | |
| 266 } while (0) | |
| 267 | |
| 268 #define timersub(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 < 0) { \ | |
| 273 (vvp)->tv_sec--; \ | |
| 274 (vvp)->tv_usec += 1000000; \ | |
| 275 } \ | |
| 276 } while (0) | |
| 277 | |
| 278 #define BIG_ENDIAN 1 | |
| 279 #define LITTLE_ENDIAN 0 | |
| 280 #ifdef WORDS_BIGENDIAN | |
| 281 #define BYTE_ORDER BIG_ENDIAN | |
| 282 #else | |
| 283 #define BYTE_ORDER LITTLE_ENDIAN | |
| 284 #endif | |
| 285 | |
| 286 struct iovec { | |
| 287 ULONG len; | |
| 288 CHAR FAR *buf; | |
| 289 }; | |
| 290 | |
| 291 #define iov_base buf | |
| 292 #define iov_len len | |
| 293 | |
| 294 struct ifa_msghdr { | |
| 295 unsigned __int16 ifam_msglen; | |
| 296 unsigned char ifam_version; | |
| 297 unsigned char ifam_type; | |
| 298 __int32 ifam_addrs; | |
| 299 __int32 ifam_flags; | |
| 300 unsigned __int16 ifam_index; | |
| 301 __int32 ifam_metric; | |
| 302 }; | |
| 303 | |
| 304 struct ifdevmtu { | |
| 305 int ifdm_current; | |
| 306 int ifdm_min; | |
| 307 int ifdm_max; | |
| 308 }; | |
| 309 | |
| 310 struct ifkpi { | |
| 311 unsigned int ifk_module_id; | |
| 312 unsigned int ifk_type; | |
| 313 union { | |
| 314 void *ifk_ptr; | |
| 315 int ifk_value; | |
| 316 } ifk_data; | |
| 317 }; | |
| 318 | |
| 319 struct ifreq { | |
| 320 char ifr_name[16]; | |
| 321 union { | |
| 322 struct sockaddr ifru_addr; | |
| 323 struct sockaddr ifru_dstaddr; | |
| 324 struct sockaddr ifru_broadaddr; | |
| 325 short ifru_flags; | |
| 326 int ifru_metric; | |
| 327 int ifru_mtu; | |
| 328 int ifru_phys; | |
| 329 int ifru_media; | |
| 330 int ifru_intval; | |
| 331 char* ifru_data; | |
| 332 struct ifdevmtu ifru_devmtu; | |
| 333 struct ifkpi ifru_kpi; | |
| 334 unsigned __int32 ifru_wake_flags; | |
| 335 } ifr_ifru; | |
| 336 #define ifr_addr ifr_ifru.ifru_addr | |
| 337 #define ifr_dstaddr ifr_ifru.ifru_dstaddr | |
| 338 #define ifr_broadaddr ifr_ifru.ifru_broadaddr | |
| 339 #define ifr_flags ifr_ifru.ifru_flags[0] | |
| 340 #define ifr_prevflags ifr_ifru.ifru_flags[1] | |
| 341 #define ifr_metric ifr_ifru.ifru_metric | |
| 342 #define ifr_mtu ifr_ifru.ifru_mtu | |
| 343 #define ifr_phys ifr_ifru.ifru_phys | |
| 344 #define ifr_media ifr_ifru.ifru_media | |
| 345 #define ifr_data ifr_ifru.ifru_data | |
| 346 #define ifr_devmtu ifr_ifru.ifru_devmtu | |
| 347 #define ifr_intval ifr_ifru.ifru_intval | |
| 348 #define ifr_kpi ifr_ifru.ifru_kpi | |
| 349 #define ifr_wake_flags ifr_ifru.ifru_wake_flags | |
| 350 }; | |
| 351 | |
| 352 /*#include <packon.h> | |
| 353 #pragma pack(push, 1)*/ | |
| 354 struct ip { | |
| 355 u_char ip_hl:4, ip_v:4; | |
| 356 u_char ip_tos; | |
| 357 u_short ip_len; | |
| 358 u_short ip_id; | |
| 359 u_short ip_off; | |
| 360 #define IP_RP 0x8000 | |
| 361 #define IP_DF 0x4000 | |
| 362 #define IP_MF 0x2000 | |
| 363 #define IP_OFFMASK 0x1fff | |
| 364 u_char ip_ttl; | |
| 365 u_char ip_p; | |
| 366 u_short ip_sum; | |
| 367 struct in_addr ip_src, ip_dst; | |
| 368 }; | |
| 369 | |
| 370 struct ifaddrs { | |
| 371 struct ifaddrs *ifa_next; | |
| 372 char *ifa_name; | |
| 373 unsigned int ifa_flags; | |
| 374 struct sockaddr *ifa_addr; | |
| 375 struct sockaddr *ifa_netmask; | |
| 376 struct sockaddr *ifa_dstaddr; | |
| 377 void *ifa_data; | |
| 378 }; | |
| 379 | |
| 380 struct udphdr { | |
| 381 unsigned __int16 uh_sport; | |
| 382 unsigned __int16 uh_dport; | |
| 383 unsigned __int16 uh_ulen; | |
| 384 unsigned __int16 uh_sum; | |
| 385 }; | |
| 386 | |
| 387 #else /* !defined(Userspace_os_Windows) */ | |
| 388 #include <sys/cdefs.h> /* needed? added from old __FreeBSD__ */ | |
| 389 #include <sys/socket.h> | |
| 390 #if defined(__Userspace_os_FreeBSD) || defined(__Userspace_os_OpenBSD) | |
| 391 #include <pthread.h> | |
| 392 #endif | |
| 393 typedef pthread_mutex_t userland_mutex_t; | |
| 394 typedef pthread_cond_t userland_cond_t; | |
| 395 typedef pthread_t userland_thread_t; | |
| 396 #endif | |
| 397 | |
| 398 #define mtx_lock(arg1) | |
| 399 #define mtx_unlock(arg1) | |
| 400 #define mtx_assert(arg1,arg2) | |
| 401 #define MA_OWNED 7 /* sys/mutex.h typically on FreeBSD */ | |
| 402 #if !defined(__Userspace_os_FreeBSD) | |
| 403 struct mtx {int dummy;}; | |
| 404 struct selinfo {int dummy;}; | |
| 405 struct sx {int dummy;}; | |
| 406 #endif | |
| 407 | |
| 408 #include <stdio.h> | |
| 409 #include <string.h> | |
| 410 /* #include <sys/param.h> in FreeBSD defines MSIZE */ | |
| 411 /* #include <sys/ktr.h> */ | |
| 412 /* #include <sys/systm.h> */ | |
| 413 #if defined(__Userspace_os_Windows) | |
| 414 #include <user_queue.h> | |
| 415 #else | |
| 416 #include <sys/queue.h> | |
| 417 #endif | |
| 418 #include <user_malloc.h> | |
| 419 /* #include <sys/kernel.h> */ | |
| 420 /* #include <sys/sysctl.h> */ | |
| 421 /* #include <sys/protosw.h> */ | |
| 422 /* on FreeBSD, this results in a redefintion of SOCK(BUF)_(UN)LOCK and | |
| 423 * uknown type of struct mtx for sb_mtx in struct sockbuf */ | |
| 424 #include "user_socketvar.h" /* MALLOC_DECLARE's M_PCB. Replacement for sys/socke
tvar.h */ | |
| 425 /* #include <sys/jail.h> */ | |
| 426 /* #include <sys/sysctl.h> */ | |
| 427 #include <user_environment.h> | |
| 428 #include <user_atomic.h> | |
| 429 #include <user_mbuf.h> | |
| 430 /* #include <sys/uio.h> */ | |
| 431 /* #include <sys/lock.h> */ | |
| 432 #if defined(__FreeBSD__) && __FreeBSD_version > 602000 | |
| 433 #include <sys/rwlock.h> | |
| 434 #endif | |
| 435 /* #include <sys/kthread.h> */ | |
| 436 #if defined(__FreeBSD__) && __FreeBSD_version > 602000 | |
| 437 #include <sys/priv.h> | |
| 438 #endif | |
| 439 /* #include <sys/random.h> */ | |
| 440 /* #include <sys/limits.h> */ | |
| 441 /* #include <machine/cpu.h> */ | |
| 442 | |
| 443 #if defined(__Userspace_os_Darwin) | |
| 444 /* was a 0 byte file. needed for structs if_data(64) and net_event_data */ | |
| 445 #include <net/if_var.h> | |
| 446 #endif | |
| 447 #if defined(__Userspace_os_FreeBSD) | |
| 448 #include <net/if_types.h> | |
| 449 /* #include <net/if_var.h> was a 0 byte file. causes struct mtx redefinition */ | |
| 450 #endif | |
| 451 /* OOTB only - dummy route used at the moment. should we port route to | |
| 452 * userspace as well? */ | |
| 453 /* on FreeBSD, this results in a redefintion of struct route */ | |
| 454 /* #include <net/route.h> */ | |
| 455 #if !defined(__Userspace_os_Windows) | |
| 456 #include <net/if.h> | |
| 457 #include <netinet/in.h> | |
| 458 #include <netinet/in_systm.h> | |
| 459 #include <netinet/ip.h> | |
| 460 #include <netinet/ip_icmp.h> | |
| 461 #else | |
| 462 #include <user_ip_icmp.h> | |
| 463 #endif | |
| 464 /* #include <netinet/in_pcb.h> ported to userspace */ | |
| 465 #include <user_inpcb.h> | |
| 466 | |
| 467 /* for getifaddrs */ | |
| 468 #include <sys/types.h> | |
| 469 #if !defined(__Userspace_os_Windows) | |
| 470 #include <ifaddrs.h> | |
| 471 | |
| 472 /* for ioctl */ | |
| 473 #include <sys/ioctl.h> | |
| 474 | |
| 475 /* for close, etc. */ | |
| 476 #include <unistd.h> | |
| 477 #endif | |
| 478 | |
| 479 /* lots of errno's used and needed in userspace */ | |
| 480 | |
| 481 /* for offsetof */ | |
| 482 #include <stddef.h> | |
| 483 | |
| 484 #if defined(SCTP_PROCESS_LEVEL_LOCKS) && !defined(__Userspace_os_Windows) | |
| 485 /* for pthread_mutex_lock, pthread_mutex_unlock, etc. */ | |
| 486 #include <pthread.h> | |
| 487 #endif | |
| 488 | |
| 489 #ifdef IPSEC | |
| 490 #include <netipsec/ipsec.h> | |
| 491 #include <netipsec/key.h> | |
| 492 #endif /* IPSEC */ | |
| 493 | |
| 494 #ifdef INET6 | |
| 495 #if defined(__Userspace_os_FreeBSD) | |
| 496 #include <sys/domain.h> | |
| 497 #endif | |
| 498 #ifdef IPSEC | |
| 499 #include <netipsec/ipsec6.h> | |
| 500 #endif | |
| 501 #if !defined(__Userspace_os_Windows) | |
| 502 #include <netinet/ip6.h> | |
| 503 #include <netinet/icmp6.h> | |
| 504 #endif | |
| 505 #if defined(__Userspace_os_Linux) || defined(__Userspace_os_Darwin) || defined(_
_Userspace_os_FreeBSD) || defined(__Userspace_os_OpenBSD) ||defined(__Userspace_
os_Windows) | |
| 506 #include "user_ip6_var.h" | |
| 507 #else | |
| 508 #include <netinet6/ip6_var.h> | |
| 509 #endif | |
| 510 #if defined(__Userspace_os_FreeBSD) | |
| 511 #include <netinet6/in6_pcb.h> | |
| 512 #include <netinet6/ip6protosw.h> | |
| 513 /* #include <netinet6/nd6.h> was a 0 byte file */ | |
| 514 #include <netinet6/scope6_var.h> | |
| 515 #endif | |
| 516 #endif /* INET6 */ | |
| 517 | |
| 518 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT) | |
| 519 #include <sys/file.h> | |
| 520 #include <sys/filedesc.h> | |
| 521 #endif | |
| 522 | |
| 523 #if __FreeBSD_version >= 700000 | |
| 524 #include <netinet/ip_options.h> | |
| 525 #endif | |
| 526 | |
| 527 #define SCTP_PRINTF(...) \ | |
| 528 if (SCTP_BASE_VAR(debug_printf)) { \ | |
| 529 SCTP_BASE_VAR(debug_printf)(__VA_ARGS__); \ | |
| 530 } | |
| 531 | |
| 532 #if defined(__FreeBSD__) | |
| 533 #ifndef in6pcb | |
| 534 #define in6pcb inpcb | |
| 535 #endif | |
| 536 #endif | |
| 537 /* Declare all the malloc names for all the various mallocs */ | |
| 538 MALLOC_DECLARE(SCTP_M_MAP); | |
| 539 MALLOC_DECLARE(SCTP_M_STRMI); | |
| 540 MALLOC_DECLARE(SCTP_M_STRMO); | |
| 541 MALLOC_DECLARE(SCTP_M_ASC_ADDR); | |
| 542 MALLOC_DECLARE(SCTP_M_ASC_IT); | |
| 543 MALLOC_DECLARE(SCTP_M_AUTH_CL); | |
| 544 MALLOC_DECLARE(SCTP_M_AUTH_KY); | |
| 545 MALLOC_DECLARE(SCTP_M_AUTH_HL); | |
| 546 MALLOC_DECLARE(SCTP_M_AUTH_IF); | |
| 547 MALLOC_DECLARE(SCTP_M_STRESET); | |
| 548 MALLOC_DECLARE(SCTP_M_CMSG); | |
| 549 MALLOC_DECLARE(SCTP_M_COPYAL); | |
| 550 MALLOC_DECLARE(SCTP_M_VRF); | |
| 551 MALLOC_DECLARE(SCTP_M_IFA); | |
| 552 MALLOC_DECLARE(SCTP_M_IFN); | |
| 553 MALLOC_DECLARE(SCTP_M_TIMW); | |
| 554 MALLOC_DECLARE(SCTP_M_MVRF); | |
| 555 MALLOC_DECLARE(SCTP_M_ITER); | |
| 556 MALLOC_DECLARE(SCTP_M_SOCKOPT); | |
| 557 | |
| 558 #if defined(SCTP_LOCAL_TRACE_BUF) | |
| 559 | |
| 560 #define SCTP_GET_CYCLECOUNT get_cyclecount() | |
| 561 #define SCTP_CTR6 sctp_log_trace | |
| 562 | |
| 563 #else | |
| 564 #define SCTP_CTR6 CTR6 | |
| 565 #endif | |
| 566 | |
| 567 /* Empty ktr statement for _Userspace__ (similar to what is done for mac) */ | |
| 568 #define CTR6(m, d, p1, p2, p3, p4, p5, p6) | |
| 569 | |
| 570 | |
| 571 | |
| 572 #define SCTP_BASE_INFO(__m) system_base_info.sctppcbinfo.__m | |
| 573 #define SCTP_BASE_STATS system_base_info.sctpstat | |
| 574 #define SCTP_BASE_STAT(__m) system_base_info.sctpstat.__m | |
| 575 #define SCTP_BASE_SYSCTL(__m) system_base_info.sctpsysctl.__m | |
| 576 #define SCTP_BASE_VAR(__m) system_base_info.__m | |
| 577 | |
| 578 /* | |
| 579 * | |
| 580 */ | |
| 581 #if !defined(__Userspace_os_Darwin) | |
| 582 #define USER_ADDR_NULL (NULL) /* FIX ME: temp */ | |
| 583 #endif | |
| 584 | |
| 585 #if defined(SCTP_DEBUG) | |
| 586 #include <netinet/sctp_constants.h> | |
| 587 #define SCTPDBG(level, ...) \ | |
| 588 { \ | |
| 589 do { \ | |
| 590 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level) { \ | |
| 591 SCTP_PRINTF(__VA_ARGS__); \ | |
| 592 } \ | |
| 593 } while (0); \ | |
| 594 } | |
| 595 #define SCTPDBG_ADDR(level, addr) \ | |
| 596 { \ | |
| 597 do { \ | |
| 598 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) {
\ | |
| 599 sctp_print_address(addr); \ | |
| 600 } \ | |
| 601 } while (0); \ | |
| 602 } | |
| 603 #else | |
| 604 #define SCTPDBG(level, ...) | |
| 605 #define SCTPDBG_ADDR(level, addr) | |
| 606 #endif | |
| 607 | |
| 608 #ifdef SCTP_LTRACE_CHUNKS | |
| 609 #define SCTP_LTRACE_CHK(a, b, c, d) if(sctp_logging_level & SCTP_LTRACE_CHUNK_EN
ABLE) CTR6(KTR_SUBSYS, "SCTP:%d[%d]:%x-%x-%x-%x", SCTP_LOG_CHUNK_PROC, 0, a, b,
c, d) | |
| 610 #else | |
| 611 #define SCTP_LTRACE_CHK(a, b, c, d) | |
| 612 #endif | |
| 613 | |
| 614 #ifdef SCTP_LTRACE_ERRORS | |
| 615 #define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) \ | |
| 616 if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \ | |
| 617 SCTP_PRINTF("mbuf:%p inp:%p stcb:%p net:%p file:%x line:%d error
:%d\n", \ | |
| 618 (void *)m, (void *)inp, (void *)stcb, (void *)net, f
ile, __LINE__, err); | |
| 619 #define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) \ | |
| 620 if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \ | |
| 621 SCTP_PRINTF("inp:%p stcb:%p net:%p file:%x line:%d error:%d\n",
\ | |
| 622 (void *)inp, (void *)stcb, (void *)net, file, __LINE
__, err); | |
| 623 #else | |
| 624 #define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) | |
| 625 #define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) | |
| 626 #endif | |
| 627 | |
| 628 | |
| 629 /* | |
| 630 * Local address and interface list handling | |
| 631 */ | |
| 632 #define SCTP_MAX_VRF_ID 0 | |
| 633 #define SCTP_SIZE_OF_VRF_HASH 3 | |
| 634 #define SCTP_IFNAMSIZ IFNAMSIZ | |
| 635 #define SCTP_DEFAULT_VRFID 0 | |
| 636 #define SCTP_VRF_ADDR_HASH_SIZE 16 | |
| 637 #define SCTP_VRF_IFN_HASH_SIZE 3 | |
| 638 #define SCTP_INIT_VRF_TABLEID(vrf) | |
| 639 | |
| 640 #if !defined(__Userspace_os_Windows) | |
| 641 #define SCTP_IFN_IS_IFT_LOOP(ifn) (strncmp((ifn)->ifn_name, "lo", 2) == 0) | |
| 642 /* BSD definition */ | |
| 643 /* #define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (r
o)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP)
*/ | |
| 644 /* only used in IPv6 scenario, which isn't supported yet */ | |
| 645 #define SCTP_ROUTE_IS_REAL_LOOP(ro) 0 | |
| 646 | |
| 647 /* | |
| 648 * Access to IFN's to help with src-addr-selection | |
| 649 */ | |
| 650 /* This could return VOID if the index works but for BSD we provide both. */ | |
| 651 #define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) (void *)ro->ro_rt->rt_ifp | |
| 652 #define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing sock
et to determine */ | |
| 653 #define SCTP_ROUTE_HAS_VALID_IFN(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifp) | |
| 654 #endif | |
| 655 | |
| 656 /* | |
| 657 * general memory allocation | |
| 658 */ | |
| 659 #define SCTP_MALLOC(var, type, size, name) \ | |
| 660 do { \ | |
| 661 MALLOC(var, type, size, name, M_NOWAIT); \ | |
| 662 } while (0) | |
| 663 | |
| 664 #define SCTP_FREE(var, type) FREE(var, type) | |
| 665 | |
| 666 #define SCTP_MALLOC_SONAME(var, type, size) \ | |
| 667 do { \ | |
| 668 MALLOC(var, type, size, M_SONAME, (M_WAITOK | M_ZERO)); \ | |
| 669 } while (0) | |
| 670 | |
| 671 #define SCTP_FREE_SONAME(var) FREE(var, M_SONAME) | |
| 672 | |
| 673 #define SCTP_PROCESS_STRUCT struct proc * | |
| 674 | |
| 675 /* | |
| 676 * zone allocation functions | |
| 677 */ | |
| 678 | |
| 679 | |
| 680 #if defined(SCTP_SIMPLE_ALLOCATOR) | |
| 681 /*typedef size_t sctp_zone_t;*/ | |
| 682 #define SCTP_ZONE_INIT(zone, name, size, number) { \ | |
| 683 zone = size; \ | |
| 684 } | |
| 685 | |
| 686 /* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */ | |
| 687 #define SCTP_ZONE_GET(zone, type) \ | |
| 688 (type *)malloc(zone); | |
| 689 | |
| 690 | |
| 691 /* __Userspace__ SCTP_ZONE_FREE: free element from the zone */ | |
| 692 #define SCTP_ZONE_FREE(zone, element) { \ | |
| 693 free(element); \ | |
| 694 } | |
| 695 | |
| 696 #define SCTP_ZONE_DESTROY(zone) | |
| 697 #else | |
| 698 /*__Userspace__ | |
| 699 Compiling & linking notes: Needs libumem, which has been placed in ./user_lib | |
| 700 All userspace header files are in ./user_include. Makefile will need the | |
| 701 following. | |
| 702 CFLAGS = -I./ -Wall | |
| 703 LDFLAGS = -L./user_lib -R./user_lib -lumem | |
| 704 */ | |
| 705 #include "user_include/umem.h" | |
| 706 | |
| 707 /* __Userspace__ SCTP_ZONE_INIT: initialize the zone */ | |
| 708 /* | |
| 709 __Userspace__ | |
| 710 No equivalent function to uma_zone_set_max added yet. (See SCTP_ZONE_INIT in s
ctp_os_bsd.h | |
| 711 for reference). It may not be required as mentioned in | |
| 712 http://nixdoc.net/man-pages/FreeBSD/uma_zalloc.9.html that | |
| 713 max limits may not enforced on systems with more than one CPU. | |
| 714 */ | |
| 715 #define SCTP_ZONE_INIT(zone, name, size, number) { \ | |
| 716 zone = umem_cache_create(name, size, 0, NULL, NULL, NULL, NULL, NULL, 0)
; \ | |
| 717 } | |
| 718 | |
| 719 /* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */ | |
| 720 #define SCTP_ZONE_GET(zone, type) \ | |
| 721 (type *)umem_cache_alloc(zone, UMEM_DEFAULT); | |
| 722 | |
| 723 | |
| 724 /* __Userspace__ SCTP_ZONE_FREE: free element from the zone */ | |
| 725 #define SCTP_ZONE_FREE(zone, element) \ | |
| 726 umem_cache_free(zone, element); | |
| 727 | |
| 728 | |
| 729 /* __Userspace__ SCTP_ZONE_DESTROY: destroy the zone */ | |
| 730 #define SCTP_ZONE_DESTROY(zone) \ | |
| 731 umem_cache_destroy(zone); | |
| 732 #endif | |
| 733 | |
| 734 /* global struct ifaddrs used in sctp_init_ifns_for_vrf getifaddrs call | |
| 735 * but references to fields are needed to persist as the vrf is queried. | |
| 736 * getifaddrs allocates memory that needs to be freed with a freeifaddrs | |
| 737 * call; this global is used to call freeifaddrs upon in sctp_pcb_finish | |
| 738 */ | |
| 739 extern struct ifaddrs *g_interfaces; | |
| 740 | |
| 741 | |
| 742 /* | |
| 743 * __Userspace__ Defining sctp_hashinit_flags() and sctp_hashdestroy() for userl
and. | |
| 744 */ | |
| 745 void *sctp_hashinit_flags(int elements, struct malloc_type *type, | |
| 746 u_long *hashmask, int flags); | |
| 747 void | |
| 748 sctp_hashdestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask); | |
| 749 | |
| 750 void | |
| 751 sctp_hashfreedestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask); | |
| 752 | |
| 753 | |
| 754 #define HASH_NOWAIT 0x00000001 | |
| 755 #define HASH_WAITOK 0x00000002 | |
| 756 | |
| 757 /* M_PCB is MALLOC_DECLARE'd in sys/socketvar.h */ | |
| 758 #define SCTP_HASH_INIT(size, hashmark) sctp_hashinit_flags(size, M_PCB, hashmark
, HASH_NOWAIT) | |
| 759 | |
| 760 #define SCTP_HASH_FREE(table, hashmark) sctp_hashdestroy(table, M_PCB, hashmark) | |
| 761 | |
| 762 #define SCTP_HASH_FREE_DESTROY(table, hashmark) sctp_hashfreedestroy(table, M_P
CB, hashmark) | |
| 763 #define SCTP_M_COPYM m_copym | |
| 764 | |
| 765 /* | |
| 766 * timers | |
| 767 */ | |
| 768 /* __Userspace__ | |
| 769 * user_sctp_callout.h has typedef struct sctp_callout sctp_os_timer_t; | |
| 770 * which is used in the timer related functions such as | |
| 771 * SCTP_OS_TIMER_INIT etc. | |
| 772 */ | |
| 773 #include <netinet/sctp_callout.h> | |
| 774 | |
| 775 /* __Userspace__ Creating a receive thread */ | |
| 776 #include <user_recv_thread.h> | |
| 777 | |
| 778 /*__Userspace__ defining KTR_SUBSYS 1 as done in sctp_os_macosx.h */ | |
| 779 #define KTR_SUBSYS 1 | |
| 780 | |
| 781 #define sctp_get_tick_count() (ticks) | |
| 782 | |
| 783 /* The packed define for 64 bit platforms */ | |
| 784 #if !defined(__Userspace_os_Windows) | |
| 785 #define SCTP_PACKED __attribute__((packed)) | |
| 786 #define SCTP_UNUSED __attribute__((unused)) | |
| 787 #else | |
| 788 #define SCTP_PACKED | |
| 789 #define SCTP_UNUSED | |
| 790 #endif | |
| 791 | |
| 792 /* | |
| 793 * Functions | |
| 794 */ | |
| 795 /* Mbuf manipulation and access macros */ | |
| 796 #define SCTP_BUF_LEN(m) (m->m_len) | |
| 797 #define SCTP_BUF_NEXT(m) (m->m_next) | |
| 798 #define SCTP_BUF_NEXT_PKT(m) (m->m_nextpkt) | |
| 799 #define SCTP_BUF_RESV_UF(m, size) m->m_data += size | |
| 800 #define SCTP_BUF_AT(m, size) m->m_data + size | |
| 801 #define SCTP_BUF_IS_EXTENDED(m) (m->m_flags & M_EXT) | |
| 802 #define SCTP_BUF_EXTEND_SIZE(m) (m->m_ext.ext_size) | |
| 803 #define SCTP_BUF_TYPE(m) (m->m_type) | |
| 804 #define SCTP_BUF_RECVIF(m) (m->m_pkthdr.rcvif) | |
| 805 #define SCTP_BUF_PREPEND M_PREPEND | |
| 806 | |
| 807 #define SCTP_ALIGN_TO_END(m, len) if(m->m_flags & M_PKTHDR) { \ | |
| 808 MH_ALIGN(m, len); \ | |
| 809 } else if ((m->m_flags & M_EXT) == 0) { \ | |
| 810 M_ALIGN(m, len); \ | |
| 811 } | |
| 812 | |
| 813 /* We make it so if you have up to 4 threads | |
| 814 * writting based on the default size of | |
| 815 * the packet log 65 k, that would be | |
| 816 * 4 16k packets before we would hit | |
| 817 * a problem. | |
| 818 */ | |
| 819 #define SCTP_PKTLOG_WRITERS_NEED_LOCK 3 | |
| 820 | |
| 821 | |
| 822 /* | |
| 823 * routes, output, etc. | |
| 824 */ | |
| 825 | |
| 826 typedef struct sctp_route sctp_route_t; | |
| 827 typedef struct sctp_rtentry sctp_rtentry_t; | |
| 828 | |
| 829 static inline void sctp_userspace_rtalloc(sctp_route_t *ro) | |
| 830 { | |
| 831 if (ro->ro_rt != NULL) { | |
| 832 ro->ro_rt->rt_refcnt++; | |
| 833 return; | |
| 834 } | |
| 835 | |
| 836 ro->ro_rt = (sctp_rtentry_t *) malloc(sizeof(sctp_rtentry_t)); | |
| 837 if (ro->ro_rt == NULL) | |
| 838 return; | |
| 839 | |
| 840 /* initialize */ | |
| 841 memset(ro->ro_rt, 0, sizeof(sctp_rtentry_t)); | |
| 842 ro->ro_rt->rt_refcnt = 1; | |
| 843 | |
| 844 /* set MTU */ | |
| 845 /* TODO set this based on the ro->ro_dst, looking up MTU with routing so
cket */ | |
| 846 #if 0 | |
| 847 if (userspace_rawroute == -1) { | |
| 848 userspace_rawroute = socket(AF_ROUTE, SOCK_RAW, 0); | |
| 849 if (userspace_rawroute == -1) | |
| 850 return; | |
| 851 } | |
| 852 #endif | |
| 853 ro->ro_rt->rt_rmx.rmx_mtu = 1500; /* FIXME temporary solution */ | |
| 854 | |
| 855 /* TODO enable the ability to obtain interface index of route for | |
| 856 * SCTP_GET_IF_INDEX_FROM_ROUTE macro. | |
| 857 */ | |
| 858 } | |
| 859 #define SCTP_RTALLOC(ro, vrf_id) sctp_userspace_rtalloc((sctp_route_t *)ro) | |
| 860 | |
| 861 /* dummy rtfree needed once user_route.h is included */ | |
| 862 static inline void sctp_userspace_rtfree(sctp_rtentry_t *rt) | |
| 863 { | |
| 864 if(rt == NULL) { | |
| 865 return; | |
| 866 } | |
| 867 if(--rt->rt_refcnt > 0) { | |
| 868 return; | |
| 869 } | |
| 870 free(rt); | |
| 871 rt = NULL; | |
| 872 } | |
| 873 #define rtfree(arg1) sctp_userspace_rtfree(arg1) | |
| 874 | |
| 875 | |
| 876 /*************************/ | |
| 877 /* MTU */ | |
| 878 /*************************/ | |
| 879 int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af); | |
| 880 | |
| 881 #define SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, af) sctp_userspace_get_mtu
_from_ifn(ifn_index, af) | |
| 882 | |
| 883 #define SCTP_GATHER_MTU_FROM_ROUTE(sctp_ifa, sa, rt) ((rt != NULL) ? rt->rt_rmx.
rmx_mtu : 0) | |
| 884 | |
| 885 #define SCTP_GATHER_MTU_FROM_INTFC(sctp_ifn) sctp_userspace_get_mtu_from_ifn(if
_nametoindex(((struct ifaddrs *) (sctp_ifn))->ifa_name), AF_INET) | |
| 886 | |
| 887 #define SCTP_SET_MTU_OF_ROUTE(sa, rt, mtu) do { \ | |
| 888 if (rt != NULL) \ | |
| 889 rt->rt_rmx.rmx_mtu = mtu; \ | |
| 890 } while(0) | |
| 891 | |
| 892 /* (de-)register interface event notifications */ | |
| 893 #define SCTP_REGISTER_INTERFACE(ifhandle, af) | |
| 894 #define SCTP_DEREGISTER_INTERFACE(ifhandle, af) | |
| 895 | |
| 896 | |
| 897 /*************************/ | |
| 898 /* These are for logging */ | |
| 899 /*************************/ | |
| 900 /* return the base ext data pointer */ | |
| 901 #define SCTP_BUF_EXTEND_BASE(m) (m->m_ext.ext_buf) | |
| 902 /* return the refcnt of the data pointer */ | |
| 903 #define SCTP_BUF_EXTEND_REFCNT(m) (*m->m_ext.ref_cnt) | |
| 904 /* return any buffer related flags, this is | |
| 905 * used beyond logging for apple only. | |
| 906 */ | |
| 907 #define SCTP_BUF_GET_FLAGS(m) (m->m_flags) | |
| 908 | |
| 909 /* For BSD this just accesses the M_PKTHDR length | |
| 910 * so it operates on an mbuf with hdr flag. Other | |
| 911 * O/S's may have seperate packet header and mbuf | |
| 912 * chain pointers.. thus the macro. | |
| 913 */ | |
| 914 #define SCTP_HEADER_TO_CHAIN(m) (m) | |
| 915 #define SCTP_DETACH_HEADER_FROM_CHAIN(m) | |
| 916 #define SCTP_HEADER_LEN(m) ((m)->m_pkthdr.len) | |
| 917 #define SCTP_GET_HEADER_FOR_OUTPUT(o_pak) 0 | |
| 918 #define SCTP_RELEASE_HEADER(m) | |
| 919 #define SCTP_RELEASE_PKT(m) sctp_m_freem(m) | |
| 920 /* UDP __Userspace__ - dummy definition */ | |
| 921 #define SCTP_ENABLE_UDP_CSUM(m) m=m | |
| 922 /* BSD definition */ | |
| 923 /* #define SCTP_ENABLE_UDP_CSUM(m) do { \ */ | |
| 924 /* m->m_pkthdr.csum_flags = CSUM_UDP; \
*/ | |
| 925 /* m->m_pkthdr.csum_data = offsetof(stru
ct udphdr, uh_sum); \ */ | |
| 926 /* } while (0) */ | |
| 927 | |
| 928 #define SCTP_GET_PKT_VRFID(m, vrf_id) ((vrf_id = SCTP_DEFAULT_VRFID) != SCTP_DE
FAULT_VRFID) | |
| 929 | |
| 930 | |
| 931 | |
| 932 /* Attach the chain of data into the sendable packet. */ | |
| 933 #define SCTP_ATTACH_CHAIN(pak, m, packet_length) do { \ | |
| 934 pak = m; \ | |
| 935 pak->m_pkthdr.len = packet_len
gth; \ | |
| 936 } while(0) | |
| 937 | |
| 938 /* Other m_pkthdr type things */ | |
| 939 /* FIXME need real definitions */ | |
| 940 #define SCTP_IS_IT_BROADCAST(dst, m) 0 | |
| 941 /* OOTB only #define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_
broadcast(dst, m->m_pkthdr.rcvif) : 0) BSD def */ | |
| 942 #define SCTP_IS_IT_LOOPBACK(m) 0 | |
| 943 /* OOTB ONLY #define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_p
kthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP))) BSD def */ | |
| 944 | |
| 945 | |
| 946 /* This converts any input packet header | |
| 947 * into the chain of data holders, for BSD | |
| 948 * its a NOP. | |
| 949 */ | |
| 950 | |
| 951 /* get the v6 hop limit */ | |
| 952 #define SCTP_GET_HLIM(inp, ro) 128 /* As done for __Windows__ */ | |
| 953 #define IPv6_HOP_LIMIT 128 | |
| 954 | |
| 955 /* is the endpoint v6only? */ | |
| 956 #define SCTP_IPV6_V6ONLY(inp) (((struct inpcb *)inp)->inp_flags & IN6P_IPV6_V6
ONLY) | |
| 957 /* is the socket non-blocking? */ | |
| 958 #define SCTP_SO_IS_NBIO(so) ((so)->so_state & SS_NBIO) | |
| 959 #define SCTP_SET_SO_NBIO(so) ((so)->so_state |= SS_NBIO) | |
| 960 #define SCTP_CLEAR_SO_NBIO(so) ((so)->so_state &= ~SS_NBIO) | |
| 961 /* get the socket type */ | |
| 962 #define SCTP_SO_TYPE(so) ((so)->so_type) | |
| 963 | |
| 964 /* reserve sb space for a socket */ | |
| 965 #define SCTP_SORESERVE(so, send, recv) soreserve(so, send, recv) | |
| 966 | |
| 967 /* wakeup a socket */ | |
| 968 #define SCTP_SOWAKEUP(so) wakeup(&(so)->so_timeo, so) | |
| 969 /* clear the socket buffer state */ | |
| 970 #define SCTP_SB_CLEAR(sb) \ | |
| 971 (sb).sb_cc = 0; \ | |
| 972 (sb).sb_mb = NULL; \ | |
| 973 (sb).sb_mbcnt = 0; | |
| 974 | |
| 975 #define SCTP_SB_LIMIT_RCV(so) so->so_rcv.sb_hiwat | |
| 976 #define SCTP_SB_LIMIT_SND(so) so->so_snd.sb_hiwat | |
| 977 | |
| 978 /* Future zero copy wakeup/send function */ | |
| 979 #define SCTP_ZERO_COPY_EVENT(inp, so) | |
| 980 /* This is re-pulse ourselves for sendbuf */ | |
| 981 #define SCTP_ZERO_COPY_SENDQ_EVENT(inp, so) | |
| 982 | |
| 983 | |
| 984 /* | |
| 985 * SCTP AUTH | |
| 986 */ | |
| 987 /* USE_SCTP_SHA1 is defined if you need sctp_sha1.[ch]. SHA1_* functions are de
fined | |
| 988 * there. On Linux, they are also defined in libcrypto.a once you install | |
| 989 * the libssl-dev package (on Ubuntu, at least). | |
| 990 */ | |
| 991 /* #define USE_SCTP_SHA1 */ | |
| 992 | |
| 993 /* #define HAVE_SHA2 sha2.h exists on Linux? */ | |
| 994 | |
| 995 | |
| 996 #define SCTP_READ_RANDOM(buf, len) read_random(buf, len) | |
| 997 | |
| 998 | |
| 999 #include <netinet/sctp_sha1.h> | |
| 1000 | |
| 1001 | |
| 1002 #if defined(HAVE_SHA2) | |
| 1003 #include <crypto/sha2/sha2.h> | |
| 1004 #endif | |
| 1005 #if 0 | |
| 1006 /* going to have to port so generic across OS's... */ | |
| 1007 #if 1 /* openssl header files on FreeBSD 6.3 on Emulab and libssl-dev for Ubuntu
*/ | |
| 1008 #include <openssl/md5.h> | |
| 1009 #include <openssl/sha.h> | |
| 1010 /* libssl-dev calls this SHA_CTX, but it's refered to as SHA1_CTX within the | |
| 1011 * SCTP stack code so here we typedef (or macro?) to equate the two. | |
| 1012 */ | |
| 1013 typedef SHA_CTX SHA1_CTX; | |
| 1014 | |
| 1015 #else /* only _KERNEL? */ | |
| 1016 | |
| 1017 #include <sys/md5.h> | |
| 1018 /* map standard crypto API names */ | |
| 1019 #define MD5_Init MD5Init | |
| 1020 #define MD5_Update MD5Update | |
| 1021 #define MD5_Final MD5Final | |
| 1022 #endif | |
| 1023 #endif | |
| 1024 | |
| 1025 | |
| 1026 /* start OOTB only stuff */ | |
| 1027 | |
| 1028 | |
| 1029 /* TODO IFT_LOOP is in net/if_types.h on Linux */ | |
| 1030 #define IFT_LOOP 0x18 | |
| 1031 | |
| 1032 /* sctp_pcb.h */ | |
| 1033 /* typedef int SHA1_CTX; */ | |
| 1034 /* typedef int MD5_CTX; */ | |
| 1035 #ifdef HAVE_SHA2 | |
| 1036 typedef int SHA256_CTX; | |
| 1037 typedef int SHA384_CTX; | |
| 1038 typedef int SHA512_CTX; | |
| 1039 #endif | |
| 1040 | |
| 1041 #if defined(__Userspace_os_Windows) | |
| 1042 #define SHUT_RD 1 | |
| 1043 #define SHUT_WR 2 | |
| 1044 #define SHUT_RDWR 3 | |
| 1045 #endif | |
| 1046 #define PRU_FLUSH_RD SHUT_RD | |
| 1047 #define PRU_FLUSH_WR SHUT_WR | |
| 1048 #define PRU_FLUSH_RDWR SHUT_RDWR | |
| 1049 | |
| 1050 /* netinet/ip_var.h defintions are behind an if defined for _KERNEL on FreeBSD *
/ | |
| 1051 #define IP_RAWOUTPUT 0x2 | |
| 1052 | |
| 1053 | |
| 1054 /* end OOTB only stuff */ | |
| 1055 | |
| 1056 #define AF_CONN 123 | |
| 1057 struct sockaddr_conn { | |
| 1058 #ifdef HAVE_SCONN_LEN | |
| 1059 uint8_t sconn_len; | |
| 1060 #endif | |
| 1061 uint8_t sconn_family; | |
| 1062 uint16_t sconn_port; | |
| 1063 void *sconn_addr; | |
| 1064 }; | |
| 1065 | |
| 1066 /* | |
| 1067 * IP output routines | |
| 1068 */ | |
| 1069 | |
| 1070 /* Defining SCTP_IP_ID macro. | |
| 1071 In netinet/ip_output.c, we have u_short ip_id; | |
| 1072 In netinet/ip_var.h, we have extern u_short ip_id; (enclosed within _KERNEL_
) | |
| 1073 See static __inline uint16_t ip_newid(void) in netinet/ip_var.h | |
| 1074 */ | |
| 1075 #define SCTP_IP_ID(inp) (ip_id) | |
| 1076 | |
| 1077 /* need sctphdr to get port in SCTP_IP_OUTPUT. sctphdr defined in sctp.h */ | |
| 1078 #include <netinet/sctp.h> | |
| 1079 extern void sctp_userspace_ip_output(int *result, struct mbuf *o_pak, | |
| 1080 sctp_route_t *ro, void *stcb, | |
| 1081 uint32_t vrf_id); | |
| 1082 | |
| 1083 #define SCTP_IP_OUTPUT(result, o_pak, ro, stcb, vrf_id) sctp_userspace_ip_output
(&result, o_pak, ro, stcb, vrf_id); | |
| 1084 | |
| 1085 #if defined(INET6) | |
| 1086 extern void sctp_userspace_ip6_output(int *result, struct mbuf *o_pak, | |
| 1087 struct route_in6 *ro, void *stcb, | |
| 1088 uint32_t vrf_id); | |
| 1089 #define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) sctp_userspace_ip6
_output(&result, o_pak, ro, stcb, vrf_id); | |
| 1090 #endif | |
| 1091 | |
| 1092 | |
| 1093 | |
| 1094 #if 0 | |
| 1095 #define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) \ | |
| 1096 { \ | |
| 1097 if (stcb && stcb->sctp_ep) \ | |
| 1098 result = ip6_output(o_pak, \ | |
| 1099 ((struct in6pcb *)(stcb->sctp_ep))->in6p_out
putopts, \ | |
| 1100 (ro), 0, 0, ifp, NULL); \ | |
| 1101 else \ | |
| 1102 result = ip6_output(o_pak, NULL, (ro), 0, 0, ifp, NULL); \ | |
| 1103 } | |
| 1104 #endif | |
| 1105 | |
| 1106 struct mbuf * | |
| 1107 sctp_get_mbuf_for_msg(unsigned int space_needed, int want_header, int how, int a
llonebuf, int type); | |
| 1108 | |
| 1109 | |
| 1110 /* with the current included files, this is defined in Linux but | |
| 1111 * in FreeBSD, it is behind a _KERNEL in sys/socket.h ... | |
| 1112 */ | |
| 1113 #if defined(__Userspace_os_FreeBSD) || defined(__Userspace_os_OpenBSD) | |
| 1114 /* stolen from /usr/include/sys/socket.h */ | |
| 1115 #define CMSG_ALIGN(n) _ALIGN(n) | |
| 1116 #elif defined(__Userspace_os_Darwin) | |
| 1117 #if !defined(__DARWIN_ALIGNBYTES) | |
| 1118 #define __DARWIN_ALIGNBYTES (sizeof(__darwin_size_t) - 1) | |
| 1119 #endif | |
| 1120 | |
| 1121 #if !defined(__DARWIN_ALIGN) | |
| 1122 #define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __DA
RWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES) | |
| 1123 #endif | |
| 1124 | |
| 1125 #if !defined(__DARWIN_ALIGNBYTES32) | |
| 1126 #define __DARWIN_ALIGNBYTES32 (sizeof(__uint32_t) - 1) | |
| 1127 #endif | |
| 1128 | |
| 1129 #if !defined(__DARWIN_ALIGN32) | |
| 1130 #define __DARWIN_ALIGN32(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __
DARWIN_ALIGNBYTES32) &~ __DARWIN_ALIGNBYTES32) | |
| 1131 #endif | |
| 1132 #define CMSG_ALIGN(n) __DARWIN_ALIGN32(n) | |
| 1133 #endif | |
| 1134 #define I_AM_HERE \ | |
| 1135 do { \ | |
| 1136 SCTP_PRINTF("%s:%d at %s\n", __FILE__, __LINE__ , __FUNC
TION__); \ | |
| 1137 } while (0) | |
| 1138 | |
| 1139 #ifndef timevalsub | |
| 1140 #define timevalsub(tp1, tp2) \ | |
| 1141 do { \ | |
| 1142 (tp1)->tv_sec -= (tp2)->tv_sec; \ | |
| 1143 (tp1)->tv_usec -= (tp2)->tv_usec; \ | |
| 1144 if ((tp1)->tv_usec < 0) { \ | |
| 1145 (tp1)->tv_sec--; \ | |
| 1146 (tp1)->tv_usec += 1000000; \ | |
| 1147 } \ | |
| 1148 } while (0) | |
| 1149 #endif | |
| 1150 | |
| 1151 #if defined(__Userspace_os_Linux) | |
| 1152 #define TAILQ_FOREACH_SAFE(var, head, field, tvar) \ | |
| 1153 for ((var) = ((head)->tqh_first); \ | |
| 1154 (var) && ((tvar) = TAILQ_NEXT((var), field), 1); \ | |
| 1155 (var) = (tvar)) | |
| 1156 | |
| 1157 #define LIST_FOREACH_SAFE(var, head, field, tvar) \ | |
| 1158 for ((var) = ((head)->lh_first); \ | |
| 1159 (var) && ((tvar) = LIST_NEXT((var), field), 1); \ | |
| 1160 (var) = (tvar)) | |
| 1161 #endif | |
| 1162 #endif | |
| OLD | NEW |