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 #ifdef _KERNEL 43 #include <sys/rwlock.h> 44 #include <net/vnet.h> 45 #include <vm/uma.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[4]; /* (x) rtentry / general use */ 174 u_int inp_ispare[4]; /* general use */ 175 176 /* Local and foreign ports, local and foreign addr. */ 177 struct in_conninfo inp_inc; /* (i/p) list for PCB's local port */ 178 179 /* MAC and IPSEC policy information. */ 180 struct label *inp_label; /* (i) MAC label */ 181 struct inpcbpolicy *inp_sp; /* (s) for IPSEC */ 182 183 /* Protocol-dependent part; options. */ 184 struct { 185 u_char inp4_ip_tos; /* (i) type of service proto */ 186 struct mbuf *inp4_options; /* (i) IP options */ 187 struct ip_moptions *inp4_moptions; /* (i) IP mcast options */ 188 } inp_depend4; 189 struct { 190 /* (i) IP options */ 191 struct mbuf *inp6_options; 192 /* (i) IP6 options for outgoing packets */ 193 struct ip6_pktopts *inp6_outputopts; 194 /* (i) IP multicast options */ 195 struct ip6_moptions *inp6_moptions; 196 /* (i) ICMPv6 code type filter */ 197 struct icmp6_filter *inp6_icmp6filt; 198 /* (i) IPV6_CHECKSUM setsockopt */ 199 int inp6_cksum; 200 short inp6_hops; 201 } inp_depend6; 202 LIST_ENTRY(inpcb) inp_portlist; /* (i/p) */ 203 struct inpcbport *inp_phd; /* (i/p) head of this list */ 204 #define inp_zero_size offsetof(struct inpcb, inp_gencnt) 205 inp_gen_t inp_gencnt; /* (c) generation count */ 206 struct llentry *inp_lle; /* cached L2 information */ 207 struct rtentry *inp_rt; /* cached L3 information */ 208 struct rwlock inp_lock; 209 }; 210 #define inp_fport inp_inc.inc_fport 211 #define inp_lport inp_inc.inc_lport 212 #define inp_faddr inp_inc.inc_faddr 213 #define inp_laddr inp_inc.inc_laddr 214 #define inp_ip_tos inp_depend4.inp4_ip_tos 215 #define inp_options inp_depend4.inp4_options 216 #define inp_moptions inp_depend4.inp4_moptions 217 218 #define in6p_faddr inp_inc.inc6_faddr 219 #define in6p_laddr inp_inc.inc6_laddr 220 #define in6p_hops inp_depend6.inp6_hops /* default hop limit */ 221 #define in6p_flowinfo inp_flow 222 #define in6p_options inp_depend6.inp6_options 223 #define in6p_outputopts inp_depend6.inp6_outputopts 224 #define in6p_moptions inp_depend6.inp6_moptions 225 #define in6p_icmp6filt inp_depend6.inp6_icmp6filt 226 #define in6p_cksum inp_depend6.inp6_cksum 227 228 #define inp_vnet inp_pcbinfo->ipi_vnet 229 230 /* 231 * The range of the generation count, as used in this implementation, is 9e19. 232 * We would have to create 300 billion connections per second for this number 233 * to roll over in a year. This seems sufficiently unlikely that we simply 234 * don't concern ourselves with that possibility. 235 */ 236 237 /* 238 * Interface exported to userland by various protocols which use inpcbs. Hack 239 * alert -- only define if struct xsocket is in scope. 240 */ 241 #ifdef _SYS_SOCKETVAR_H_ 242 struct xinpcb { 243 size_t xi_len; /* length of this structure */ 244 struct inpcb xi_inp; 245 struct xsocket xi_socket; 246 u_quad_t xi_alignment_hack; 247 }; 248 249 struct xinpgen { 250 size_t xig_len; /* length of this structure */ 251 u_int xig_count; /* number of PCBs at this time */ 252 inp_gen_t xig_gen; /* generation count at this time */ 253 so_gen_t xig_sogen; /* socket generation count at this time */ 254 }; 255 #endif /* _SYS_SOCKETVAR_H_ */ 256 257 struct inpcbport { 258 LIST_ENTRY(inpcbport) phd_hash; 259 struct inpcbhead phd_pcblist; 260 u_short phd_port; 261 }; 262 263 /* 264 * Global data structure for each high-level protocol (UDP, TCP, ...) in both 265 * IPv4 and IPv6. Holds inpcb lists and information for managing them. 266 */ 267 struct inpcbinfo { 268 /* 269 * Global list of inpcbs on the protocol. 270 */ 271 struct inpcbhead *ipi_listhead; 272 u_int ipi_count; 273 274 /* 275 * Global hash of inpcbs, hashed by local and foreign addresses and 276 * port numbers. 277 */ 278 struct inpcbhead *ipi_hashbase; 279 u_long ipi_hashmask; 280 281 /* 282 * Global hash of inpcbs, hashed by only local port number. 283 */ 284 struct inpcbporthead *ipi_porthashbase; 285 u_long ipi_porthashmask; 286 287 /* 288 * Fields associated with port lookup and allocation. 289 */ 290 u_short ipi_lastport; 291 u_short ipi_lastlow; 292 u_short ipi_lasthi; 293 294 /* 295 * UMA zone from which inpcbs are allocated for this protocol. 296 */ 297 struct uma_zone *ipi_zone; 298 299 /* 300 * Generation count--incremented each time a connection is allocated 301 * or freed. 302 */ 303 u_quad_t ipi_gencnt; 304 struct rwlock ipi_lock; 305 306 /* 307 * Pointer to network stack instance 308 */ 309 struct vnet *ipi_vnet; 310 311 /* 312 * general use 2 313 */ 314 void *ipi_pspare[2]; 315 }; 316 317 #define INP_LOCK_INIT(inp, d, t) \ 318 rw_init_flags(&(inp)->inp_lock, (t), RW_RECURSE | RW_DUPOK) 319 #define INP_LOCK_DESTROY(inp) rw_destroy(&(inp)->inp_lock) 320 #define INP_RLOCK(inp) rw_rlock(&(inp)->inp_lock) 321 #define INP_WLOCK(inp) rw_wlock(&(inp)->inp_lock) 322 #define INP_TRY_RLOCK(inp) rw_try_rlock(&(inp)->inp_lock) 323 #define INP_TRY_WLOCK(inp) rw_try_wlock(&(inp)->inp_lock) 324 #define INP_RUNLOCK(inp) rw_runlock(&(inp)->inp_lock) 325 #define INP_WUNLOCK(inp) rw_wunlock(&(inp)->inp_lock) 326 #define INP_TRY_UPGRADE(inp) rw_try_upgrade(&(inp)->inp_lock) 327 #define INP_DOWNGRADE(inp) rw_downgrade(&(inp)->inp_lock) 328 #define INP_WLOCKED(inp) rw_wowned(&(inp)->inp_lock) 329 #define INP_LOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_LOCKED) 330 #define INP_RLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_RLOCKED) 331 #define INP_WLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_WLOCKED) 332 #define INP_UNLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_UNLOCKED) 333 334 #ifdef _KERNEL 335 /* 336 * These locking functions are for inpcb consumers outside of sys/netinet, 337 * more specifically, they were added for the benefit of TOE drivers. The 338 * macros are reserved for use by the stack. 339 */ 340 void inp_wlock(struct inpcb *); 341 void inp_wunlock(struct inpcb *); 342 void inp_rlock(struct inpcb *); 343 void inp_runlock(struct inpcb *); 344 345 #ifdef INVARIANTS 346 void inp_lock_assert(struct inpcb *); 347 void inp_unlock_assert(struct inpcb *); 348 #else 349 static __inline void 350 inp_lock_assert(struct inpcb *inp __unused) 351 { 352 } 353 354 static __inline void 355 inp_unlock_assert(struct inpcb *inp __unused) 356 { 357 } 358 359 #endif 360 361 void inp_apply_all(void (*func)(struct inpcb *, void *), void *arg); 362 int inp_ip_tos_get(const struct inpcb *inp); 363 void inp_ip_tos_set(struct inpcb *inp, int val); 364 struct socket * 365 inp_inpcbtosocket(struct inpcb *inp); 366 struct tcpcb * 367 inp_inpcbtotcpcb(struct inpcb *inp); 368 void inp_4tuple_get(struct inpcb *inp, uint32_t *laddr, uint16_t *lp, 369 uint32_t *faddr, uint16_t *fp); 370 371 #endif /* _KERNEL */ 372 373 #define INP_INFO_LOCK_INIT(ipi, d) \ 374 rw_init_flags(&(ipi)->ipi_lock, (d), RW_RECURSE) 375 #define INP_INFO_LOCK_DESTROY(ipi) rw_destroy(&(ipi)->ipi_lock) 376 #define INP_INFO_RLOCK(ipi) rw_rlock(&(ipi)->ipi_lock) 377 #define INP_INFO_WLOCK(ipi) rw_wlock(&(ipi)->ipi_lock) 378 #define INP_INFO_TRY_RLOCK(ipi) rw_try_rlock(&(ipi)->ipi_lock) 379 #define INP_INFO_TRY_WLOCK(ipi) rw_try_wlock(&(ipi)->ipi_lock) 380 #define INP_INFO_TRY_UPGRADE(ipi) rw_try_upgrade(&(ipi)->ipi_lock) 381 #define INP_INFO_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_lock) 382 #define INP_INFO_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_lock) 383 #define INP_INFO_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_LOCKED) 384 #define INP_INFO_RLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_RLOCKED) 385 #define INP_INFO_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_WLOCKED) 386 #define INP_INFO_UNLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_UNLOCKED) 387 388 #define INP_PCBHASH(faddr, lport, fport, mask) \ 389 (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) 390 #define INP_PCBPORTHASH(lport, mask) \ 391 (ntohs((lport)) & (mask)) 392 393 /* 394 * Flags for inp_vflags -- historically version flags only 395 */ 396 #define INP_IPV4 0x1 397 #define INP_IPV6 0x2 398 #define INP_IPV6PROTO 0x4 /* opened under IPv6 protocol */ 399 400 /* 401 * Flags for inp_flags. 402 */ 403 #define INP_RECVOPTS 0x00000001 /* receive incoming IP options */ 404 #define INP_RECVRETOPTS 0x00000002 /* receive IP options for reply */ 405 #define INP_RECVDSTADDR 0x00000004 /* receive IP dst address */ 406 #define INP_HDRINCL 0x00000008 /* user supplies entire IP header */ 407 #define INP_HIGHPORT 0x00000010 /* user wants "high" port binding */ 408 #define INP_LOWPORT 0x00000020 /* user wants "low" port binding */ 409 #define INP_ANONPORT 0x00000040 /* port chosen for user */ 410 #define INP_RECVIF 0x00000080 /* receive incoming interface */ 411 #define INP_MTUDISC 0x00000100 /* user can do MTU discovery */ 412 #define INP_FAITH 0x00000200 /* accept FAITH'ed connections */ 413 #define INP_RECVTTL 0x00000400 /* receive incoming IP TTL */ 414 #define INP_DONTFRAG 0x00000800 /* don't fragment packet */ 415 #define INP_BINDANY 0x00001000 /* allow bind to any address */ 416 #define INP_INHASHLIST 0x00002000 /* in_pcbinshash() has been called */ 417 #define IN6P_IPV6_V6ONLY 0x00008000 /* restrict AF_INET6 socket for v6 */ 418 #define IN6P_PKTINFO 0x00010000 /* receive IP6 dst and I/F */ 419 #define IN6P_HOPLIMIT 0x00020000 /* receive hoplimit */ 420 #define IN6P_HOPOPTS 0x00040000 /* receive hop-by-hop options */ 421 #define IN6P_DSTOPTS 0x00080000 /* receive dst options after rthdr */ 422 #define IN6P_RTHDR 0x00100000 /* receive routing header */ 423 #define IN6P_RTHDRDSTOPTS 0x00200000 /* receive dstoptions before rthdr */ 424 #define IN6P_TCLASS 0x00400000 /* receive traffic class value */ 425 #define IN6P_AUTOFLOWLABEL 0x00800000 /* attach flowlabel automatically */ 426 #define INP_TIMEWAIT 0x01000000 /* in TIMEWAIT, ppcb is tcptw */ 427 #define INP_ONESBCAST 0x02000000 /* send all-ones broadcast */ 428 #define INP_DROPPED 0x04000000 /* protocol drop flag */ 429 #define INP_SOCKREF 0x08000000 /* strong socket reference */ 430 #define INP_SW_FLOWID 0x10000000 /* software generated flow id */ 431 #define INP_HW_FLOWID 0x20000000 /* hardware generated flow id */ 432 #define IN6P_RFC2292 0x40000000 /* used RFC2292 API on the socket */ 433 #define IN6P_MTU 0x80000000 /* receive path MTU */ 434 435 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ 436 INP_RECVIF|INP_RECVTTL|\ 437 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ 438 IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ 439 IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\ 440 IN6P_MTU) 441 442 /* 443 * Flags for inp_flags2. 444 */ 445 #define INP_LLE_VALID 0x00000001 /* cached lle is valid */ 446 #define INP_RT_VALID 0x00000002 /* cached rtentry is valid */ 447 448 #define INPLOOKUP_WILDCARD 1 449 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 450 #define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ 451 452 #define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family 453 454 #define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) 455 456 #ifdef _KERNEL 457 VNET_DECLARE(int, ipport_reservedhigh); 458 VNET_DECLARE(int, ipport_reservedlow); 459 VNET_DECLARE(int, ipport_lowfirstauto); 460 VNET_DECLARE(int, ipport_lowlastauto); 461 VNET_DECLARE(int, ipport_firstauto); 462 VNET_DECLARE(int, ipport_lastauto); 463 VNET_DECLARE(int, ipport_hifirstauto); 464 VNET_DECLARE(int, ipport_hilastauto); 465 VNET_DECLARE(int, ipport_randomized); 466 VNET_DECLARE(int, ipport_randomcps); 467 VNET_DECLARE(int, ipport_randomtime); 468 VNET_DECLARE(int, ipport_stoprandom); 469 VNET_DECLARE(int, ipport_tcpallocs); 470 471 #define V_ipport_reservedhigh VNET(ipport_reservedhigh) 472 #define V_ipport_reservedlow VNET(ipport_reservedlow) 473 #define V_ipport_lowfirstauto VNET(ipport_lowfirstauto) 474 #define V_ipport_lowlastauto VNET(ipport_lowlastauto) 475 #define V_ipport_firstauto VNET(ipport_firstauto) 476 #define V_ipport_lastauto VNET(ipport_lastauto) 477 #define V_ipport_hifirstauto VNET(ipport_hifirstauto) 478 #define V_ipport_hilastauto VNET(ipport_hilastauto) 479 #define V_ipport_randomized VNET(ipport_randomized) 480 #define V_ipport_randomcps VNET(ipport_randomcps) 481 #define V_ipport_randomtime VNET(ipport_randomtime) 482 #define V_ipport_stoprandom VNET(ipport_stoprandom) 483 #define V_ipport_tcpallocs VNET(ipport_tcpallocs) 484 485 extern struct callout ipport_tick_callout; 486 487 void in_pcbinfo_destroy(struct inpcbinfo *); 488 void in_pcbinfo_init(struct inpcbinfo *, const char *, struct inpcbhead *, 489 int, int, char *, uma_init, uma_fini, uint32_t); 490 491 void in_pcbpurgeif0(struct inpcbinfo *, struct ifnet *); 492 int in_pcballoc(struct socket *, struct inpcbinfo *); 493 int in_pcbbind(struct inpcb *, struct sockaddr *, struct ucred *); 494 int in_pcb_lport(struct inpcb *, struct in_addr *, u_short *, 495 struct ucred *, int); 496 int in_pcbbind_setup(struct inpcb *, struct sockaddr *, in_addr_t *, 497 u_short *, struct ucred *); 498 int in_pcbconnect(struct inpcb *, struct sockaddr *, struct ucred *); 499 int in_pcbconnect_setup(struct inpcb *, struct sockaddr *, in_addr_t *, 500 u_short *, in_addr_t *, u_short *, struct inpcb **, 501 struct ucred *); 502 void in_pcbdetach(struct inpcb *); 503 void in_pcbdisconnect(struct inpcb *); 504 void in_pcbdrop(struct inpcb *); 505 void in_pcbfree(struct inpcb *); 506 int in_pcbinshash(struct inpcb *); 507 struct inpcb * 508 in_pcblookup_local(struct inpcbinfo *, 509 struct in_addr, u_short, int, struct ucred *); 510 struct inpcb * 511 in_pcblookup_hash(struct inpcbinfo *, struct in_addr, u_int, 512 struct in_addr, u_int, int, struct ifnet *); 513 void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr, 514 int, struct inpcb *(*)(struct inpcb *, int)); 515 void in_pcbref(struct inpcb *); 516 void in_pcbrehash(struct inpcb *); 517 int in_pcbrele(struct inpcb *); 518 void in_pcbsetsolabel(struct socket *so); 519 int in_getpeeraddr(struct socket *so, struct sockaddr **nam); 520 int in_getsockaddr(struct socket *so, struct sockaddr **nam); 521 struct sockaddr * 522 in_sockaddr(in_port_t port, struct in_addr *addr); 523 void in_pcbsosetlabel(struct socket *so); 524 void ipport_tick(void *xtp); 525 #endif /* _KERNEL */ 526 527 #endif /* !_NETINET_IN_PCB_H_ */ 528