1 /*- 2 * Copyright (c) 1982, 1986, 1990, 1993 3 * The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 4. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 31 * $FreeBSD$ 32 */ 33 34 #ifndef _NETINET_IN_PCB_H_ 35 #define _NETINET_IN_PCB_H_ 36 37 #include <sys/queue.h> 38 #include <sys/_lock.h> 39 #include <sys/_mutex.h> 40 #include <sys/_rwlock.h> 41 42 #include <net/route.h> 43 44 #ifdef _KERNEL 45 #include <sys/rwlock.h> 46 #endif 47 48 #define in6pcb inpcb /* for KAME src sync over BSD*'s */ 49 #define in6p_sp inp_sp /* for KAME src sync over BSD*'s */ 50 struct inpcbpolicy; 51 52 /* 53 * struct inpcb is the common protocol control block structure used in most 54 * IP transport protocols. 55 * 56 * Pointers to local and foreign host table entries, local and foreign socket 57 * numbers, and pointers up (to a socket structure) and down (to a 58 * protocol-specific control block) are stored here. 59 */ 60 LIST_HEAD(inpcbhead, inpcb); 61 LIST_HEAD(inpcbporthead, inpcbport); 62 typedef u_quad_t inp_gen_t; 63 64 /* 65 * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet. 66 * So, AF_INET6 null laddr is also used as AF_INET null laddr, by utilizing 67 * the following structure. 68 */ 69 struct in_addr_4in6 { 70 u_int32_t ia46_pad32[3]; 71 struct in_addr ia46_addr4; 72 }; 73 74 /* 75 * NOTE: ipv6 addrs should be 64-bit aligned, per RFC 2553. in_conninfo has 76 * some extra padding to accomplish this. 77 */ 78 struct in_endpoints { 79 u_int16_t ie_fport; /* foreign port */ 80 u_int16_t ie_lport; /* local port */ 81 /* protocol dependent part, local and foreign addr */ 82 union { 83 /* foreign host table entry */ 84 struct in_addr_4in6 ie46_foreign; 85 struct in6_addr ie6_foreign; 86 } ie_dependfaddr; 87 union { 88 /* local host table entry */ 89 struct in_addr_4in6 ie46_local; 90 struct in6_addr ie6_local; 91 } ie_dependladdr; 92 }; 93 #define ie_faddr ie_dependfaddr.ie46_foreign.ia46_addr4 94 #define ie_laddr ie_dependladdr.ie46_local.ia46_addr4 95 #define ie6_faddr ie_dependfaddr.ie6_foreign 96 #define ie6_laddr ie_dependladdr.ie6_local 97 98 /* 99 * XXX The defines for inc_* are hacks and should be changed to direct 100 * references. 101 */ 102 struct in_conninfo { 103 u_int8_t inc_flags; 104 u_int8_t inc_len; 105 u_int16_t inc_fibnum; /* XXX was pad, 16 bits is plenty */ 106 /* protocol dependent part */ 107 struct in_endpoints inc_ie; 108 }; 109 110 /* 111 * Flags for inc_flags. 112 */ 113 #define INC_ISIPV6 0x01 114 115 #define inc_isipv6 inc_flags /* temp compatability */ 116 #define inc_fport inc_ie.ie_fport 117 #define inc_lport inc_ie.ie_lport 118 #define inc_faddr inc_ie.ie_faddr 119 #define inc_laddr inc_ie.ie_laddr 120 #define inc6_faddr inc_ie.ie6_faddr 121 #define inc6_laddr inc_ie.ie6_laddr 122 123 struct icmp6_filter; 124 125 /*- 126 * struct inpcb captures the network layer state for TCP, UDP, and raw IPv4 127 * and IPv6 sockets. In the case of TCP, further per-connection state is 128 * hung off of inp_ppcb most of the time. Almost all fields of struct inpcb 129 * are static after creation or protected by a per-inpcb rwlock, inp_lock. A 130 * few fields also require the global pcbinfo lock for the inpcb to be held, 131 * when modified, such as the global connection lists and hashes, as well as 132 * binding information (which affects which hash a connection is on). This 133 * model means that connections can be looked up without holding the 134 * per-connection lock, which is important for performance when attempting to 135 * find the connection for a packet given its IP and port tuple. Writing to 136 * these fields that write locks be held on both the inpcb and global locks. 137 * 138 * Key: 139 * (c) - Constant after initialization 140 * (i) - Protected by the inpcb lock 141 * (p) - Protected by the pcbinfo lock for the inpcb 142 * (s) - Protected by another subsystem's locks 143 * (x) - Undefined locking 144 * 145 * A few other notes: 146 * 147 * When a read lock is held, stability of the field is guaranteed; to write 148 * to a field, a write lock must generally be held. 149 * 150 * netinet/netinet6-layer code should not assume that the inp_socket pointer 151 * is safe to dereference without inp_lock being held, even for protocols 152 * other than TCP (where the inpcb persists during TIMEWAIT even after the 153 * socket has been freed), or there may be close(2)-related races. 154 * 155 * The inp_vflag field is overloaded, and would otherwise ideally be (c). 156 */ 157 struct inpcb { 158 LIST_ENTRY(inpcb) inp_hash; /* (i/p) hash list */ 159 LIST_ENTRY(inpcb) inp_list; /* (i/p) list for all PCBs for proto */ 160 void *inp_ppcb; /* (i) pointer to per-protocol pcb */ 161 struct inpcbinfo *inp_pcbinfo; /* (c) PCB list info */ 162 struct socket *inp_socket; /* (i) back pointer to socket */ 163 struct ucred *inp_cred; /* (c) cache of socket cred */ 164 u_int32_t inp_flow; /* (i) IPv6 flow information */ 165 int inp_flags; /* (i) generic IP/datagram flags */ 166 int inp_flags2; /* (i) generic IP/datagram flags #2*/ 167 u_char inp_vflag; /* (i) IP version flag (v4/v6) */ 168 u_char inp_ip_ttl; /* (i) time to live proto */ 169 u_char inp_ip_p; /* (c) protocol proto */ 170 u_char inp_ip_minttl; /* (i) minimum TTL or drop */ 171 uint32_t inp_flowid; /* (x) flow id / queue id */ 172 u_int inp_refcount; /* (i) refcount */ 173 void *inp_pspare[2]; /* (x) rtentry / general use */ 174 175 /* Local and foreign ports, local and foreign addr. */ 176 struct in_conninfo inp_inc; /* (i/p) list for PCB's local port */ 177 178 /* MAC and IPSEC policy information. */ 179 struct label *inp_label; /* (i) MAC label */ 180 struct inpcbpolicy *inp_sp; /* (s) for IPSEC */ 181 182 /* Protocol-dependent part; options. */ 183 struct { 184 u_char inp4_ip_tos; /* (i) type of service proto */ 185 struct mbuf *inp4_options; /* (i) IP options */ 186 struct ip_moptions *inp4_moptions; /* (i) IP mcast options */ 187 } inp_depend4; 188 struct { 189 /* (i) IP options */ 190 struct mbuf *inp6_options; 191 /* (i) IP6 options for outgoing packets */ 192 struct ip6_pktopts *inp6_outputopts; 193 /* (i) IP multicast options */ 194 struct ip6_moptions *inp6_moptions; 195 /* (i) ICMPv6 code type filter */ 196 struct icmp6_filter *inp6_icmp6filt; 197 /* (i) IPV6_CHECKSUM setsockopt */ 198 int inp6_cksum; 199 short inp6_hops; 200 } inp_depend6; 201 LIST_ENTRY(inpcb) inp_portlist; /* (i/p) */ 202 struct inpcbport *inp_phd; /* (i/p) head of this list */ 203 #define inp_zero_size offsetof(struct inpcb, inp_gencnt) 204 inp_gen_t inp_gencnt; /* (c) generation count */ 205 struct llentry *inp_lle; /* cached L2 information */ 206 struct rtentry *inp_rt; /* cached L3 information */ 207 struct rwlock inp_lock; 208 }; 209 #define inp_fport inp_inc.inc_fport 210 #define inp_lport inp_inc.inc_lport 211 #define inp_faddr inp_inc.inc_faddr 212 #define inp_laddr inp_inc.inc_laddr 213 #define inp_ip_tos inp_depend4.inp4_ip_tos 214 #define inp_options inp_depend4.inp4_options 215 #define inp_moptions inp_depend4.inp4_moptions 216 217 #define in6p_faddr inp_inc.inc6_faddr 218 #define in6p_laddr inp_inc.inc6_laddr 219 #define in6p_hops inp_depend6.inp6_hops /* default hop limit */ 220 #define in6p_flowinfo inp_flow 221 #define in6p_options inp_depend6.inp6_options 222 #define in6p_outputopts inp_depend6.inp6_outputopts 223 #define in6p_moptions inp_depend6.inp6_moptions 224 #define in6p_icmp6filt inp_depend6.inp6_icmp6filt 225 #define in6p_cksum inp_depend6.inp6_cksum 226 227 /* 228 * The range of the generation count, as used in this implementation, is 9e19. 229 * We would have to create 300 billion connections per second for this number 230 * to roll over in a year. This seems sufficiently unlikely that we simply 231 * don't concern ourselves with that possibility. 232 */ 233 234 /* 235 * Interface exported to userland by various protocols which use inpcbs. Hack 236 * alert -- only define if struct xsocket is in scope. 237 */ 238 #ifdef _SYS_SOCKETVAR_H_ 239 struct xinpcb { 240 size_t xi_len; /* length of this structure */ 241 struct inpcb xi_inp; 242 struct xsocket xi_socket; 243 u_quad_t xi_alignment_hack; 244 }; 245 246 struct xinpgen { 247 size_t xig_len; /* length of this structure */ 248 u_int xig_count; /* number of PCBs at this time */ 249 inp_gen_t xig_gen; /* generation count at this time */ 250 so_gen_t xig_sogen; /* socket generation count at this time */ 251 }; 252 #endif /* _SYS_SOCKETVAR_H_ */ 253 254 struct inpcbport { 255 LIST_ENTRY(inpcbport) phd_hash; 256 struct inpcbhead phd_pcblist; 257 u_short phd_port; 258 }; 259 260 /* 261 * Global data structure for each high-level protocol (UDP, TCP, ...) in both 262 * IPv4 and IPv6. Holds inpcb lists and information for managing them. 263 */ 264 struct inpcbinfo { 265 /* 266 * Global list of inpcbs on the protocol. 267 */ 268 struct inpcbhead *ipi_listhead; 269 u_int ipi_count; 270 271 /* 272 * Global hash of inpcbs, hashed by local and foreign addresses and 273 * port numbers. 274 */ 275 struct inpcbhead *ipi_hashbase; 276 u_long ipi_hashmask; 277 278 /* 279 * Global hash of inpcbs, hashed by only local port number. 280 */ 281 struct inpcbporthead *ipi_porthashbase; 282 u_long ipi_porthashmask; 283 284 /* 285 * Fields associated with port lookup and allocation. 286 */ 287 u_short ipi_lastport; 288 u_short ipi_lastlow; 289 u_short ipi_lasthi; 290 291 /* 292 * UMA zone from which inpcbs are allocated for this protocol. 293 */ 294 struct uma_zone *ipi_zone; 295 296 /* 297 * Generation count--incremented each time a connection is allocated 298 * or freed. 299 */ 300 u_quad_t ipi_gencnt; 301 struct rwlock ipi_lock; 302 303 /* 304 * vimage 1 305 * general use 1 306 */ 307 void *ipi_pspare[2]; 308 }; 309 310 #define INP_LOCK_INIT(inp, d, t) \ 311 rw_init_flags(&(inp)->inp_lock, (t), RW_RECURSE | RW_DUPOK) 312 #define INP_LOCK_DESTROY(inp) rw_destroy(&(inp)->inp_lock) 313 #define INP_RLOCK(inp) rw_rlock(&(inp)->inp_lock) 314 #define INP_WLOCK(inp) rw_wlock(&(inp)->inp_lock) 315 #define INP_TRY_RLOCK(inp) rw_try_rlock(&(inp)->inp_lock) 316 #define INP_TRY_WLOCK(inp) rw_try_wlock(&(inp)->inp_lock) 317 #define INP_RUNLOCK(inp) rw_runlock(&(inp)->inp_lock) 318 #define INP_WUNLOCK(inp) rw_wunlock(&(inp)->inp_lock) 319 #define INP_TRY_UPGRADE(inp) rw_try_upgrade(&(inp)->inp_lock) 320 #define INP_DOWNGRADE(inp) rw_downgrade(&(inp)->inp_lock) 321 #define INP_WLOCKED(inp) rw_wowned(&(inp)->inp_lock) 322 #define INP_LOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_LOCKED) 323 #define INP_RLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_RLOCKED) 324 #define INP_WLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_WLOCKED) 325 #define INP_UNLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_UNLOCKED) 326 327 #ifdef _KERNEL 328 /* 329 * These locking functions are for inpcb consumers outside of sys/netinet, 330 * more specifically, they were added for the benefit of TOE drivers. The 331 * macros are reserved for use by the stack. 332 */ 333 void inp_wlock(struct inpcb *); 334 void inp_wunlock(struct inpcb *); 335 void inp_rlock(struct inpcb *); 336 void inp_runlock(struct inpcb *); 337 338 #ifdef INVARIANTS 339 void inp_lock_assert(struct inpcb *); 340 void inp_unlock_assert(struct inpcb *); 341 #else 342 static __inline void 343 inp_lock_assert(struct inpcb *inp __unused) 344 { 345 } 346 347 static __inline void 348 inp_unlock_assert(struct inpcb *inp __unused) 349 { 350 } 351 352 #endif 353 354 void inp_apply_all(void (*func)(struct inpcb *, void *), void *arg); 355 int inp_ip_tos_get(const struct inpcb *inp); 356 void inp_ip_tos_set(struct inpcb *inp, int val); 357 struct socket * 358 inp_inpcbtosocket(struct inpcb *inp); 359 struct tcpcb * 360 inp_inpcbtotcpcb(struct inpcb *inp); 361 void inp_4tuple_get(struct inpcb *inp, uint32_t *laddr, uint16_t *lp, 362 uint32_t *faddr, uint16_t *fp); 363 364 #endif /* _KERNEL */ 365 366 #define INP_INFO_LOCK_INIT(ipi, d) \ 367 rw_init_flags(&(ipi)->ipi_lock, (d), RW_RECURSE) 368 #define INP_INFO_LOCK_DESTROY(ipi) rw_destroy(&(ipi)->ipi_lock) 369 #define INP_INFO_RLOCK(ipi) rw_rlock(&(ipi)->ipi_lock) 370 #define INP_INFO_WLOCK(ipi) rw_wlock(&(ipi)->ipi_lock) 371 #define INP_INFO_TRY_RLOCK(ipi) rw_try_rlock(&(ipi)->ipi_lock) 372 #define INP_INFO_TRY_WLOCK(ipi) rw_try_wlock(&(ipi)->ipi_lock) 373 #define INP_INFO_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_lock) 374 #define INP_INFO_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_lock) 375 #define INP_INFO_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_LOCKED) 376 #define INP_INFO_RLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_RLOCKED) 377 #define INP_INFO_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_WLOCKED) 378 #define INP_INFO_UNLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_UNLOCKED) 379 380 #define INP_PCBHASH(faddr, lport, fport, mask) \ 381 (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) 382 #define INP_PCBPORTHASH(lport, mask) \ 383 (ntohs((lport)) & (mask)) 384 385 /* 386 * Flags for inp_vflags -- historically version flags only 387 */ 388 #define INP_IPV4 0x1 389 #define INP_IPV6 0x2 390 #define INP_IPV6PROTO 0x4 /* opened under IPv6 protocol */ 391 392 /* 393 * Flags for inp_flags. 394 */ 395 #define INP_RECVOPTS 0x00000001 /* receive incoming IP options */ 396 #define INP_RECVRETOPTS 0x00000002 /* receive IP options for reply */ 397 #define INP_RECVDSTADDR 0x00000004 /* receive IP dst address */ 398 #define INP_HDRINCL 0x00000008 /* user supplies entire IP header */ 399 #define INP_HIGHPORT 0x00000010 /* user wants "high" port binding */ 400 #define INP_LOWPORT 0x00000020 /* user wants "low" port binding */ 401 #define INP_ANONPORT 0x00000040 /* port chosen for user */ 402 #define INP_RECVIF 0x00000080 /* receive incoming interface */ 403 #define INP_MTUDISC 0x00000100 /* user can do MTU discovery */ 404 #define INP_FAITH 0x00000200 /* accept FAITH'ed connections */ 405 #define INP_RECVTTL 0x00000400 /* receive incoming IP TTL */ 406 #define INP_DONTFRAG 0x00000800 /* don't fragment packet */ 407 #define INP_NONLOCALOK 0x00001000 /* Allow bind to spoof any address */ 408 /* - requires options IP_NONLOCALBIND */ 409 #define INP_INHASHLIST 0x00002000 /* in_pcbinshash() has been called */ 410 #define IN6P_IPV6_V6ONLY 0x00008000 /* restrict AF_INET6 socket for v6 */ 411 #define IN6P_PKTINFO 0x00010000 /* receive IP6 dst and I/F */ 412 #define IN6P_HOPLIMIT 0x00020000 /* receive hoplimit */ 413 #define IN6P_HOPOPTS 0x00040000 /* receive hop-by-hop options */ 414 #define IN6P_DSTOPTS 0x00080000 /* receive dst options after rthdr */ 415 #define IN6P_RTHDR 0x00100000 /* receive routing header */ 416 #define IN6P_RTHDRDSTOPTS 0x00200000 /* receive dstoptions before rthdr */ 417 #define IN6P_TCLASS 0x00400000 /* receive traffic class value */ 418 #define IN6P_AUTOFLOWLABEL 0x00800000 /* attach flowlabel automatically */ 419 #define INP_TIMEWAIT 0x01000000 /* in TIMEWAIT, ppcb is tcptw */ 420 #define INP_ONESBCAST 0x02000000 /* send all-ones broadcast */ 421 #define INP_DROPPED 0x04000000 /* protocol drop flag */ 422 #define INP_SOCKREF 0x08000000 /* strong socket reference */ 423 #define INP_SW_FLOWID 0x10000000 /* software generated flow id */ 424 #define INP_HW_FLOWID 0x20000000 /* hardware generated flow id */ 425 #define IN6P_RFC2292 0x40000000 /* used RFC2292 API on the socket */ 426 #define IN6P_MTU 0x80000000 /* receive path MTU */ 427 428 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ 429 INP_RECVIF|INP_RECVTTL|\ 430 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ 431 IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ 432 IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\ 433 IN6P_MTU) 434 435 /* 436 * Flags for inp_flags2. 437 */ 438 #define INP_LLE_VALID 0x00000001 /* cached lle is valid */ 439 #define INP_RT_VALID 0x00000002 /* cached rtentry is valid */ 440 441 #define INPLOOKUP_WILDCARD 1 442 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 443 #define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ 444 445 #define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family 446 447 #define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) 448 449 #ifdef _KERNEL 450 #ifdef VIMAGE_GLOBALS 451 extern int ipport_reservedhigh; 452 extern int ipport_reservedlow; 453 extern int ipport_lowfirstauto; 454 extern int ipport_lowlastauto; 455 extern int ipport_firstauto; 456 extern int ipport_lastauto; 457 extern int ipport_hifirstauto; 458 extern int ipport_hilastauto; 459 extern int ipport_randomized; 460 extern int ipport_randomcps; 461 extern int ipport_randomtime; 462 extern int ipport_stoprandom; 463 extern int ipport_tcpallocs; 464 #endif 465 extern struct callout ipport_tick_callout; 466 467 void in_pcbpurgeif0(struct inpcbinfo *, struct ifnet *); 468 int in_pcballoc(struct socket *, struct inpcbinfo *); 469 int in_pcbbind(struct inpcb *, struct sockaddr *, struct ucred *); 470 int in_pcbbind_setup(struct inpcb *, struct sockaddr *, in_addr_t *, 471 u_short *, struct ucred *); 472 int in_pcbconnect(struct inpcb *, struct sockaddr *, struct ucred *); 473 int in_pcbconnect_setup(struct inpcb *, struct sockaddr *, in_addr_t *, 474 u_short *, in_addr_t *, u_short *, struct inpcb **, 475 struct ucred *); 476 void in_pcbdetach(struct inpcb *); 477 void in_pcbdisconnect(struct inpcb *); 478 void in_pcbdrop(struct inpcb *); 479 void in_pcbfree(struct inpcb *); 480 int in_pcbinshash(struct inpcb *); 481 struct inpcb * 482 in_pcblookup_local(struct inpcbinfo *, 483 struct in_addr, u_short, int, struct ucred *); 484 struct inpcb * 485 in_pcblookup_hash(struct inpcbinfo *, struct in_addr, u_int, 486 struct in_addr, u_int, int, struct ifnet *); 487 void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr, 488 int, struct inpcb *(*)(struct inpcb *, int)); 489 void in_pcbref(struct inpcb *); 490 void in_pcbrehash(struct inpcb *); 491 int in_pcbrele(struct inpcb *); 492 void in_pcbsetsolabel(struct socket *so); 493 int in_getpeeraddr(struct socket *so, struct sockaddr **nam); 494 int in_getsockaddr(struct socket *so, struct sockaddr **nam); 495 struct sockaddr * 496 in_sockaddr(in_port_t port, struct in_addr *addr); 497 void in_pcbsosetlabel(struct socket *so); 498 void in_pcbremlists(struct inpcb *inp); 499 void ipport_tick(void *xtp); 500 501 /* 502 * Debugging routines compiled in when DDB is present. 503 */ 504 void db_print_inpcb(struct inpcb *inp, const char *name, int indent); 505 506 #endif /* _KERNEL */ 507 508 #endif /* !_NETINET_IN_PCB_H_ */ 509