1 /* 2 * Copyright (c) 2004 Jeffrey M. Hsu. All rights reserved. 3 * Copyright (c) 2004 The DragonFly Project. All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Jeffrey M. Hsu. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of The DragonFly Project nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific, prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 1982, 1986, 1990, 1993 36 * The Regents of the University of California. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the University of 49 * California, Berkeley and its contributors. 50 * 4. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 67 * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.7 2003/01/24 05:11:34 sam Exp $ 68 * $DragonFly: src/sys/netinet/in_pcb.h,v 1.24 2008/09/04 09:08:22 hasso Exp $ 69 */ 70 71 #ifndef _NETINET_IN_PCB_H_ 72 #define _NETINET_IN_PCB_H_ 73 74 #ifndef _SYS_QUEUE_H_ 75 #include <sys/queue.h> 76 #endif 77 #ifndef _SYS_SYSCTL_H_ 78 #include <sys/sysctl.h> 79 #endif 80 #ifndef _NETINET_IN_H_ 81 #include <netinet/in.h> 82 #endif 83 #ifndef _NET_ROUTE_H_ 84 #include <net/route.h> 85 #endif 86 87 #define in6pcb inpcb /* for KAME src sync over BSD*'s */ 88 #define in6p_sp inp_sp /* for KAME src sync over BSD*'s */ 89 struct inpcbpolicy; 90 91 /* 92 * Common structure pcb for internet protocol implementation. 93 * Here are stored pointers to local and foreign host table 94 * entries, local and foreign socket numbers, and pointers 95 * up (to a socket structure) and down (to a protocol-specific) 96 * control block. 97 */ 98 LIST_HEAD(inpcbhead, inpcb); 99 LIST_HEAD(inpcbporthead, inpcbport); 100 typedef u_quad_t inp_gen_t; 101 102 struct inpcontainer { 103 struct inpcb *ic_inp; 104 LIST_ENTRY(inpcontainer) ic_list; 105 }; 106 LIST_HEAD(inpcontainerhead, inpcontainer); 107 108 /* 109 * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet. 110 * So, AF_INET6 null laddr is also used as AF_INET null laddr, 111 * by utilize following structure. (At last, same as INRIA) 112 */ 113 struct in_addr_4in6 { 114 u_int32_t ia46_pad32[3]; 115 struct in_addr ia46_addr4; 116 }; 117 118 union in_dependaddr { 119 struct in_addr_4in6 id46_addr; 120 struct in6_addr id6_addr; 121 }; 122 123 /* 124 * NOTE: ipv6 addrs should be 64-bit aligned, per RFC 2553. 125 * in_conninfo has some extra padding to accomplish this. 126 */ 127 struct in_endpoints { 128 u_int16_t ie_fport; /* foreign port */ 129 u_int16_t ie_lport; /* local port */ 130 /* protocol dependent part, local and foreign addr */ 131 union in_dependaddr ie_dependfaddr; /* foreign host table entry */ 132 union in_dependaddr ie_dependladdr; /* local host table entry */ 133 #define ie_faddr ie_dependfaddr.id46_addr.ia46_addr4 134 #define ie_laddr ie_dependladdr.id46_addr.ia46_addr4 135 #define ie6_faddr ie_dependfaddr.id6_addr 136 #define ie6_laddr ie_dependladdr.id6_addr 137 }; 138 139 struct inp_localgroup { 140 LIST_ENTRY(inp_localgroup) il_list; 141 uint16_t il_lport; 142 u_char il_vflag; 143 u_char il_pad; 144 uint32_t il_factor; 145 union in_dependaddr il_dependladdr; 146 #define il_laddr il_dependladdr.id46_addr.ia46_addr4 147 #define il6_laddr il_dependladdr.id6_addr 148 int il_inpsiz; /* size of il_inp[] */ 149 int il_inpcnt; /* # of elem in il_inp[] */ 150 struct inpcb *il_inp[]; 151 }; 152 LIST_HEAD(inp_localgrphead, inp_localgroup); 153 154 /* 155 * XXX 156 * At some point struct route should possibly change to: 157 * struct rtentry *rt 158 * struct in_endpoints *ie; 159 */ 160 struct in_conninfo { 161 u_int8_t inc_flags; 162 u_int8_t inc_len; 163 u_int16_t inc_pad; /* XXX alignment for in_endpoints */ 164 /* protocol dependent part; cached route */ 165 struct in_endpoints inc_ie; 166 union { 167 /* placeholder for routing entry */ 168 struct route inc4_route; 169 struct route_in6 inc6_route; 170 } inc_dependroute; 171 }; 172 #define inc_isipv6 inc_flags /* temp compatibility */ 173 #define inc_fport inc_ie.ie_fport 174 #define inc_lport inc_ie.ie_lport 175 #define inc_faddr inc_ie.ie_faddr 176 #define inc_laddr inc_ie.ie_laddr 177 #define inc_route inc_dependroute.inc4_route 178 #define inc6_faddr inc_ie.ie6_faddr 179 #define inc6_laddr inc_ie.ie6_laddr 180 #define inc6_route inc_dependroute.inc6_route 181 182 /* 183 * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS 184 * of the structure. Therefore, it is important that the members in 185 * that position not contain any information which is required to be 186 * stable. 187 */ 188 struct icmp6_filter; 189 190 struct inpcb { 191 LIST_ENTRY(inpcb) inp_hash; /* hash list */ 192 LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ 193 u_int32_t inp_flow; 194 195 /* local and foreign ports, local and foreign addr */ 196 struct in_conninfo inp_inc; 197 198 void *inp_ppcb; /* pointer to per-protocol pcb */ 199 struct inpcbinfo *inp_pcbinfo; /* PCB list info */ 200 struct inpcbinfo *inp_cpcbinfo;/* back pointer for connection table */ 201 struct socket *inp_socket; /* back pointer to socket */ 202 /* list for this PCB's local port */ 203 int inp_flags; /* generic IP/datagram flags */ 204 205 struct inpcbpolicy *inp_sp; /* for IPSEC */ 206 u_char inp_vflag; 207 #define INP_IPV4 0x1 208 #define INP_IPV6 0x2 209 u_char inp_ip_ttl; /* time to live proto */ 210 u_char inp_ip_p; /* protocol proto */ 211 u_char inp_ip_minttl; /* minimum TTL or drop */ 212 213 /* protocol dependent part; options */ 214 struct { 215 u_char inp4_ip_tos; /* type of service proto */ 216 struct mbuf *inp4_options; /* IP options */ 217 struct ip_moptions *inp4_moptions; /* IP multicast options */ 218 } inp_depend4; 219 #define inp_fport inp_inc.inc_fport 220 #define inp_lport inp_inc.inc_lport 221 #define inp_faddr inp_inc.inc_faddr 222 #define inp_laddr inp_inc.inc_laddr 223 #define inp_route inp_inc.inc_route 224 #define inp_ip_tos inp_depend4.inp4_ip_tos 225 #define inp_options inp_depend4.inp4_options 226 #define inp_moptions inp_depend4.inp4_moptions 227 struct { 228 /* IP options */ 229 struct mbuf *inp6_options; 230 /* IP6 options for outgoing packets */ 231 struct ip6_pktopts *inp6_outputopts; 232 /* IP multicast options */ 233 struct ip6_moptions *inp6_moptions; 234 /* ICMPv6 code type filter */ 235 struct icmp6_filter *inp6_icmp6filt; 236 /* IPV6_CHECKSUM setsockopt */ 237 int inp6_cksum; 238 u_short inp6_ifindex; 239 short inp6_hops; 240 u_int8_t inp6_hlim; 241 } inp_depend6; 242 LIST_ENTRY(inpcb) inp_portlist; 243 struct inpcbport *inp_phd; /* head of this list */ 244 inp_gen_t inp_gencnt; /* generation count of this instance */ 245 #define in6p_faddr inp_inc.inc6_faddr 246 #define in6p_laddr inp_inc.inc6_laddr 247 #define in6p_route inp_inc.inc6_route 248 #define in6p_ip6_hlim inp_depend6.inp6_hlim 249 #define in6p_hops inp_depend6.inp6_hops /* default hop limit */ 250 #define in6p_ip6_nxt inp_ip_p 251 #define in6p_flowinfo inp_flow 252 #define in6p_vflag inp_vflag 253 #define in6p_options inp_depend6.inp6_options 254 #define in6p_outputopts inp_depend6.inp6_outputopts 255 #define in6p_moptions inp_depend6.inp6_moptions 256 #define in6p_icmp6filt inp_depend6.inp6_icmp6filt 257 #define in6p_cksum inp_depend6.inp6_cksum 258 #define inp6_ifindex inp_depend6.inp6_ifindex 259 #define in6p_flags inp_flags /* for KAME src sync over BSD*'s */ 260 #define in6p_socket inp_socket /* for KAME src sync over BSD*'s */ 261 #define in6p_lport inp_lport /* for KAME src sync over BSD*'s */ 262 #define in6p_fport inp_fport /* for KAME src sync over BSD*'s */ 263 #define in6p_ppcb inp_ppcb /* for KAME src sync over BSD*'s */ 264 265 void *inp_pf_sk; 266 }; 267 /* 268 * The range of the generation count, as used in this implementation, 269 * is 9e19. We would have to create 300 billion connections per 270 * second for this number to roll over in a year. This seems sufficiently 271 * unlikely that we simply don't concern ourselves with that possibility. 272 */ 273 274 /* 275 * Interface exported to userland by various protocols which use 276 * inpcbs. Hack alert -- only define if struct xsocket is in scope. 277 */ 278 #ifdef _SYS_SOCKETVAR_H_ 279 struct xinpcb { 280 size_t xi_len; /* length of this structure */ 281 struct inpcb xi_inp; 282 struct xsocket xi_socket; 283 u_quad_t xi_alignment_hack; 284 }; 285 #endif /* _SYS_SOCKETVAR_H_ */ 286 287 struct inpcbport { 288 LIST_ENTRY(inpcbport) phd_hash; 289 struct inpcbhead phd_pcblist; 290 u_short phd_port; 291 }; 292 293 struct lwkt_token; 294 295 struct inpcbinfo { /* XXX documentation, prefixes */ 296 struct inpcbhead *hashbase; 297 u_long hashmask; 298 struct inpcbporthead *porthashbase; 299 u_long porthashmask; 300 struct lwkt_token *porttoken; /* if porthashbase is shared */ 301 struct inpcbport *portsave; /* port allocation cache */ 302 struct inpcontainerhead *wildcardhashbase; 303 u_long wildcardhashmask; 304 struct inp_localgrphead *localgrphashbase; 305 u_long localgrphashmask; 306 struct inpcbhead pcblisthead; /* head of queue of active pcb's */ 307 u_short lastport; 308 u_short lastlow; 309 u_short lasthi; 310 size_t ipi_size; /* allocation size for pcbs */ 311 u_int ipi_count; /* number of pcbs in this list */ 312 u_quad_t ipi_gencnt; /* current generation count */ 313 int cpu; /* related protocol thread cpu or -1 */ 314 }; 315 316 317 #define INP_PCBCONNHASH(faddr, fport, laddr, lport, mask) \ 318 (((faddr) ^ ((faddr) >> 16) ^ (laddr) ^ ntohs((lport) ^ (fport))) & (mask)) 319 320 #define INP_PCBPORTHASH(lport, mask) (ntohs(lport) & (mask)) 321 322 #define INP_PCBWILDCARDHASH(lport, mask) (ntohs(lport) & (mask)) 323 324 #define INP_PCBLOCALGRPHASH(lport, mask) (ntohs(lport) & (mask)) 325 326 /* flags in inp_flags: */ 327 #define INP_RECVOPTS 0x01 /* receive incoming IP options */ 328 #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */ 329 #define INP_RECVDSTADDR 0x04 /* receive IP dst address */ 330 #define INP_HDRINCL 0x08 /* user supplies entire IP header */ 331 #define INP_HIGHPORT 0x10 /* user wants "high" port binding */ 332 #define INP_LOWPORT 0x20 /* user wants "low" port binding */ 333 #define INP_ANONPORT 0x40 /* port chosen for user */ 334 #define INP_RECVIF 0x80 /* receive incoming interface */ 335 #define INP_MTUDISC 0x100 /* user can do MTU discovery */ 336 #define INP_FAITH 0x200 /* accept FAITH'ed connections */ 337 #define INP_WILDCARD 0x400 /* wildcard match */ 338 #define INP_WILDCARD_MP 0x800 /* distributed wildcard match */ 339 #define INP_CONNECTED 0x1000 /* exact match */ 340 #define INP_WASBOUND_NOTANY 0x2000 /* was bound to non-null laddr */ 341 #define INP_PLACEMARKER 0x4000 /* skip this pcb, its a placemarker */ 342 343 #define IN6P_IPV6_V6ONLY 0x008000 /* restrict AF_INET6 socket for v6 */ 344 345 #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */ 346 #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ 347 #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ 348 #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ 349 #define IN6P_RTHDR 0x100000 /* receive routing header */ 350 #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ 351 #define IN6P_AUTOFLOWLABEL 0x800000 /* attach flowlabel automatically */ 352 /* 353 * RFC3542 Definition 354 */ 355 #define IN6P_TCLASS 0x400000 /* receive traffic class value */ 356 #define IN6P_RFC2292 0x40000000 /* used RFC2292 API on the socket */ 357 #define IN6P_MTU 0x80000000 /* receive path MTU */ 358 359 #define INP_RECVTTL 0x80000000 /* receive incoming IP TTL */ 360 361 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ 362 INP_RECVIF|INP_RECVTTL|\ 363 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ 364 IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ 365 IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\ 366 IN6P_MTU) 367 368 #define INP_UNMAPPABLEOPTS (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\ 369 IN6P_TCLASS|IN6P_AUTOFLOWLABEL) 370 371 /* for KAME src sync over BSD*'s */ 372 #define IN6P_HIGHPORT INP_HIGHPORT 373 #define IN6P_LOWPORT INP_LOWPORT 374 #define IN6P_ANONPORT INP_ANONPORT 375 #define IN6P_RECVIF INP_RECVIF 376 #define IN6P_MTUDISC INP_MTUDISC 377 #define IN6P_FAITH INP_FAITH 378 #define IN6P_CONTROLOPTS INP_CONTROLOPTS 379 /* 380 * socket AF version is {newer than,or include} 381 * actual datagram AF version 382 */ 383 384 #define INPLOOKUP_WILDCARD 1 385 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 386 #define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ 387 388 /* macros for handling bitmap of ports not to allocate dynamically */ 389 #define DP_MAPBITS (sizeof(u_int32_t) * NBBY) 390 #define DP_MAPSIZE (howmany(65536, DP_MAPBITS)) 391 #define DP_SET(m, p) ((m)[(p) / DP_MAPBITS] |= (1 << ((p) % DP_MAPBITS))) 392 #define DP_CLR(m, p) ((m)[(p) / DP_MAPBITS] &= ~(1 << ((p) % DP_MAPBITS))) 393 #define DP_ISSET(m, p) ((m)[(p) / DP_MAPBITS] & (1 << ((p) % DP_MAPBITS))) 394 395 /* default values for baddynamicports [see ip_init()] */ 396 #define DEFBADDYNAMICPORTS_TCP { \ 397 587, 749, 750, 751, 871, 2049, \ 398 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010, \ 399 0 } 400 #define DEFBADDYNAMICPORTS_UDP { 623, 664, 749, 750, 751, 2049, 0 } 401 402 struct baddynamicports { 403 u_int32_t tcp[DP_MAPSIZE]; 404 u_int32_t udp[DP_MAPSIZE]; 405 }; 406 407 408 #define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family 409 410 #define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) 411 412 #ifdef _KERNEL 413 extern int ipport_lowfirstauto; 414 extern int ipport_lowlastauto; 415 extern int ipport_firstauto; 416 extern int ipport_lastauto; 417 extern int ipport_hifirstauto; 418 extern int ipport_hilastauto; 419 420 union netmsg; 421 struct xinpcb; 422 423 void in_pcbpurgeif0 (struct inpcb *, struct ifnet *); 424 void in_losing (struct inpcb *); 425 void in_rtchange (struct inpcb *, int); 426 void in_pcbinfo_init (struct inpcbinfo *); 427 int in_pcballoc (struct socket *, struct inpcbinfo *); 428 void in_pcbunlink (struct inpcb *, struct inpcbinfo *); 429 void in_pcblink (struct inpcb *, struct inpcbinfo *); 430 int in_pcbbind (struct inpcb *, struct sockaddr *, struct thread *); 431 int in_pcbconn_bind(struct inpcb *, const struct sockaddr *, 432 struct thread *); 433 int in_pcbconnect (struct inpcb *, struct sockaddr *, struct thread *); 434 void in_pcbdetach (struct inpcb *); 435 void in_pcbdisconnect (struct inpcb *); 436 void in_pcbinswildcardhash(struct inpcb *inp); 437 void in_pcbinswildcardhash_oncpu(struct inpcb *, struct inpcbinfo *); 438 void in_pcbinsconnhash(struct inpcb *inp); 439 int in_pcbinsporthash (struct inpcb *); 440 int in_pcbladdr (struct inpcb *, struct sockaddr *, 441 struct sockaddr_in **, struct thread *); 442 int in_pcbladdr_find (struct inpcb *, struct sockaddr *, 443 struct sockaddr_in **, struct thread *, int); 444 struct inpcb * 445 in_pcblookup_local (struct inpcbinfo *, struct in_addr, u_int, int, 446 struct ucred *); 447 struct inpcb * 448 in_pcblookup_hash (struct inpcbinfo *, 449 struct in_addr, u_int, struct in_addr, u_int, 450 int, struct ifnet *); 451 struct inpcb * 452 in_pcblookup_pkthash (struct inpcbinfo *, 453 struct in_addr, u_int, struct in_addr, u_int, 454 int, struct ifnet *, const struct mbuf *); 455 void in_pcbnotifyall (struct inpcbhead *, struct in_addr, 456 int, void (*)(struct inpcb *, int)); 457 int in_setpeeraddr (struct socket *so, struct sockaddr **nam); 458 void in_setpeeraddr_dispatch(union netmsg *); 459 int in_setsockaddr (struct socket *so, struct sockaddr **nam); 460 void in_setsockaddr_dispatch(netmsg_t msg); 461 int in_baddynamic(u_int16_t, u_int16_t); 462 void in_pcbremwildcardhash(struct inpcb *inp); 463 void in_pcbremwildcardhash_oncpu(struct inpcb *, struct inpcbinfo *); 464 void in_pcbremconnhash(struct inpcb *inp); 465 void in_pcbremlists (struct inpcb *inp); 466 int prison_xinpcb (struct thread *p, struct inpcb *inp); 467 void in_savefaddr (struct socket *so, const struct sockaddr *faddr); 468 struct inpcb * 469 in_pcblocalgroup_last(const struct inpcbinfo *, const struct inpcb *); 470 471 int in_pcblist_global(SYSCTL_HANDLER_ARGS); 472 int in_pcblist_global_nomarker(SYSCTL_HANDLER_ARGS, 473 struct xinpcb **, int *); 474 #endif /* _KERNEL */ 475 476 #endif /* !_NETINET_IN_PCB_H_ */ 477