2 * Copyright (c) 2004 Jeffrey M. Hsu. All rights reserved.
3 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
5 * This code is derived from software contributed to The DragonFly Project
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
35 * Copyright (c) 1982, 1986, 1990, 1993
36 * The Regents of the University of California. All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
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.
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47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
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52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
63 * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.7 2003/01/24 05:11:34 sam Exp $
66 #ifndef _NETINET_IN_PCB_H_
67 #define _NETINET_IN_PCB_H_
70 #include <sys/queue.h>
72 #ifndef _SYS_SYSCTL_H_
73 #include <sys/sysctl.h>
75 #ifndef _NETINET_IN_H_
76 #include <netinet/in.h>
79 #include <net/route.h>
82 #define in6pcb inpcb /* for KAME src sync over BSD*'s */
85 * Common structure pcb for internet protocol implementation.
86 * Here are stored pointers to local and foreign host table
87 * entries, local and foreign socket numbers, and pointers
88 * up (to a socket structure) and down (to a protocol-specific)
91 LIST_HEAD(inpcbhead
, inpcb
);
92 LIST_HEAD(inpcbporthead
, inpcbport
);
93 typedef u_quad_t inp_gen_t
;
97 LIST_ENTRY(inpcontainer
) ic_list
;
99 LIST_HEAD(inpcontainerhead
, inpcontainer
);
102 * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet.
103 * So, AF_INET6 null laddr is also used as AF_INET null laddr,
104 * by utilize following structure. (At last, same as INRIA)
106 struct in_addr_4in6
{
107 u_int32_t ia46_pad32
[3];
108 struct in_addr ia46_addr4
;
111 union in_dependaddr
{
112 struct in_addr_4in6 id46_addr
;
113 struct in6_addr id6_addr
;
117 * NOTE: ipv6 addrs should be 64-bit aligned, per RFC 2553.
118 * in_conninfo has some extra padding to accomplish this.
120 struct in_endpoints
{
121 u_int16_t ie_fport
; /* foreign port */
122 u_int16_t ie_lport
; /* local port */
123 /* protocol dependent part, local and foreign addr */
124 union in_dependaddr ie_dependfaddr
; /* foreign host table entry */
125 union in_dependaddr ie_dependladdr
; /* local host table entry */
126 #define ie_faddr ie_dependfaddr.id46_addr.ia46_addr4
127 #define ie_laddr ie_dependladdr.id46_addr.ia46_addr4
128 #define ie6_faddr ie_dependfaddr.id6_addr
129 #define ie6_laddr ie_dependladdr.id6_addr
132 struct inp_localgroup
{
133 LIST_ENTRY(inp_localgroup
) il_list
;
135 u_char il_af
; /* AF_INET or AF_INET6 */
136 u_char il_jailed
; /* jailed lport, else not */
138 union in_dependaddr il_dependladdr
;
139 #define il_laddr il_dependladdr.id46_addr.ia46_addr4
140 #define il6_laddr il_dependladdr.id6_addr
141 int il_inpsiz
; /* size of il_inp[] */
142 int il_inpcnt
; /* # of elem in il_inp[] */
143 struct inpcb
*il_inp
[];
145 LIST_HEAD(inp_localgrphead
, inp_localgroup
);
149 * At some point struct route should possibly change to:
151 * struct in_endpoints *ie;
156 u_int16_t inc_pad
; /* XXX alignment for in_endpoints */
157 /* protocol dependent part; cached route */
158 struct in_endpoints inc_ie
;
160 /* placeholder for routing entry */
161 struct route inc4_route
;
162 struct route_in6 inc6_route
;
165 #define inc_isipv6 inc_flags /* temp compatibility */
166 #define inc_fport inc_ie.ie_fport
167 #define inc_lport inc_ie.ie_lport
168 #define inc_faddr inc_ie.ie_faddr
169 #define inc_laddr inc_ie.ie_laddr
170 #define inc_route inc_dependroute.inc4_route
171 #define inc6_faddr inc_ie.ie6_faddr
172 #define inc6_laddr inc_ie.ie6_laddr
173 #define inc6_route inc_dependroute.inc6_route
176 * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS
177 * of the structure. Therefore, it is important that the members in
178 * that position not contain any information which is required to be
182 struct inpcbportinfo
;
185 LIST_ENTRY(inpcb
) inp_hash
; /* hash list */
186 LIST_ENTRY(inpcb
) inp_list
; /* list for all PCBs of this proto */
188 int inp_lgrpindex
; /* local group index */
190 /* local and foreign ports, local and foreign addr */
191 struct in_conninfo inp_inc
;
193 void *inp_ppcb
; /* pointer to per-protocol pcb */
194 struct inpcbinfo
*inp_pcbinfo
; /* PCB list info */
195 struct socket
*inp_socket
; /* back pointer to socket */
196 /* list for this PCB's local port */
197 int inp_flags
; /* generic IP/datagram flags */
198 uint16_t inp_hashval
; /* valid iff INP_HASH */
199 uint16_t inp_pad
; /* explicit padding */
201 void *inp_unused1
; /* was: for IPSEC */
202 u_char inp_af
; /* AF_INET or AF_INET6 */
203 u_char inp_ip_ttl
; /* time to live proto */
204 u_char inp_ip_p
; /* protocol proto */
205 u_char inp_ip_minttl
; /* minimum TTL or drop */
207 /* protocol dependent part; options */
209 u_char inp4_ip_tos
; /* type of service proto */
210 struct mbuf
*inp4_options
; /* IP options */
211 struct ip_moptions
*inp4_moptions
; /* IP multicast options */
213 #define inp_fport inp_inc.inc_fport
214 #define inp_lport inp_inc.inc_lport
215 #define inp_faddr inp_inc.inc_faddr
216 #define inp_laddr inp_inc.inc_laddr
217 #define inp_route inp_inc.inc_route
218 #define inp_ip_tos inp_depend4.inp4_ip_tos
219 #define inp_options inp_depend4.inp4_options
220 #define inp_moptions inp_depend4.inp4_moptions
223 struct mbuf
*inp6_options
;
224 /* IP6 options for outgoing packets */
225 struct ip6_pktopts
*inp6_outputopts
;
226 /* IP multicast options */
227 struct ip6_moptions
*inp6_moptions
;
228 /* ICMPv6 code type filter */
229 struct icmp6_filter
*inp6_icmp6filt
;
230 /* IPV6_CHECKSUM setsockopt */
232 u_short inp6_ifindex
;
236 LIST_ENTRY(inpcb
) inp_portlist
;
237 struct inpcbporthead
*inp_porthash
;
238 struct inpcbport
*inp_phd
; /* head of this list */
239 inp_gen_t inp_gencnt
; /* generation count of this instance */
240 #define in6p_faddr inp_inc.inc6_faddr
241 #define in6p_laddr inp_inc.inc6_laddr
242 #define in6p_route inp_inc.inc6_route
243 #define in6p_ip6_hlim inp_depend6.inp6_hlim
244 #define in6p_hops inp_depend6.inp6_hops /* default hop limit */
245 #define in6p_ip6_nxt inp_ip_p
246 #define in6p_flowinfo inp_flow
247 #define in6p_af inp_af
248 #define in6p_options inp_depend6.inp6_options
249 #define in6p_outputopts inp_depend6.inp6_outputopts
250 #define in6p_moptions inp_depend6.inp6_moptions
251 #define in6p_icmp6filt inp_depend6.inp6_icmp6filt
252 #define in6p_cksum inp_depend6.inp6_cksum
253 #define inp6_ifindex inp_depend6.inp6_ifindex
254 #define in6p_flags inp_flags /* for KAME src sync over BSD*'s */
255 #define in6p_socket inp_socket /* for KAME src sync over BSD*'s */
256 #define in6p_lport inp_lport /* for KAME src sync over BSD*'s */
257 #define in6p_fport inp_fport /* for KAME src sync over BSD*'s */
258 #define in6p_ppcb inp_ppcb /* for KAME src sync over BSD*'s */
263 * The range of the generation count, as used in this implementation,
264 * is 9e19. We would have to create 300 billion connections per
265 * second for this number to roll over in a year. This seems sufficiently
266 * unlikely that we simply don't concern ourselves with that possibility.
270 * Interface exported to userland by various protocols which use
271 * inpcbs. Hack alert -- only define if struct xsocket is in scope.
273 #ifdef _SYS_SOCKETVAR_H_
275 size_t xi_len
; /* length of this structure */
277 struct xsocket xi_socket
;
278 u_quad_t xi_alignment_hack
;
280 #endif /* _SYS_SOCKETVAR_H_ */
283 LIST_ENTRY(inpcbport
) phd_hash
;
284 struct inpcbhead phd_pcblist
;
290 struct inpcbportinfo
{
291 struct inpcbporthead
*porthashbase
;
296 struct inpcbinfo
{ /* XXX documentation, prefixes */
297 struct lwkt_token
*infotoken
; /* if this inpcbinfo is shared */
298 struct inpcbhead
*hashbase
;
301 struct inpcbportinfo
*portinfo
;
302 struct inpcbport
*portsave
; /* port allocation cache */
303 struct inpcontainerhead
*wildcardhashbase
;
304 u_long wildcardhashmask
;
305 struct inp_localgrphead
*localgrphashbase
;
306 u_long localgrphashmask
;
307 struct inpcbhead pcblisthead
; /* head of queue of active pcb's */
308 size_t ipi_size
; /* allocation size for pcbs */
309 u_int ipi_count
; /* number of pcbs in this list */
310 int cpu
; /* related protocol thread cpu */
311 u_quad_t ipi_gencnt
; /* current generation count */
315 #define INP_PCBCONNHASH(faddr, fport, laddr, lport, mask) \
316 (((faddr) ^ ((faddr) >> 16) ^ (laddr) ^ ntohs((lport) ^ (fport))) & (mask))
318 #define INP_PCBPORTHASH(lport, cnt) (ntohs(lport) % (cnt))
320 #define INP_PCBWILDCARDHASH(lport, mask) (ntohs(lport) & (mask))
322 #define INP_PCBLOCALGRPHASH(lport, mask) (ntohs(lport) & (mask))
324 /* flags in inp_flags: */
325 #define INP_RECVOPTS 0x01 /* receive incoming IP options */
326 #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */
327 #define INP_RECVDSTADDR 0x04 /* receive IP dst address */
328 #define INP_HDRINCL 0x08 /* user supplies entire IP header */
329 #define INP_HIGHPORT 0x10 /* user wants "high" port binding */
330 #define INP_LOWPORT 0x20 /* user wants "low" port binding */
331 #define INP_ANONPORT 0x40 /* port chosen for user */
332 #define INP_RECVIF 0x80 /* receive incoming interface */
333 #define INP_MTUDISC 0x100 /* user can do MTU discovery */
335 #define INP_WILDCARD 0x400 /* wildcard match */
336 #define INP_FLAG_PROTO2 0x800 /* protocol specific */
337 #define INP_CONNECTED 0x1000 /* exact match */
338 #define INP_FLAG_PROTO1 0x2000 /* protocol specific */
339 #define INP_PLACEMARKER 0x4000 /* skip this pcb, its a placemarker */
340 #define INP_HASH 0x8000 /* inp_hashval is valid */
342 #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */
343 #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */
344 #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */
345 #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */
346 #define IN6P_RTHDR 0x100000 /* receive routing header */
347 #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */
348 /* 0x400000 used: IN6P_TCLASS; see below */
349 #define IN6P_AUTOFLOWLABEL 0x800000 /* attach flowlabel automatically */
353 #define IN6P_TCLASS 0x400000 /* receive traffic class value */
354 #define IN6P_RFC2292 0x40000000 /* used RFC2292 API on the socket */
355 #define IN6P_MTU 0x80000000 /* receive path MTU */
357 #define INP_RECVTOS 0x10000000 /* receive incoming IP TOS */
358 #define INP_ONLIST 0x20000000 /* on pcblist */
359 #define INP_RECVTTL 0x80000000 /* receive incoming IP TTL */
361 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
362 INP_RECVIF|INP_RECVTTL|INP_RECVTOS|\
363 IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\
364 IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\
365 IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\
368 #define INP_UNMAPPABLEOPTS (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\
369 IN6P_TCLASS|IN6P_AUTOFLOWLABEL)
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_CONTROLOPTS INP_CONTROLOPTS
379 * socket AF version is {newer than,or include}
380 * actual datagram AF version
383 #define INPLOOKUP_WILDCARD 1
384 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
385 #define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */
387 /* macros for handling bitmap of ports not to allocate dynamically */
388 #define DP_MAPBITS (sizeof(u_int32_t) * NBBY)
389 #define DP_MAPSIZE (howmany(65536, DP_MAPBITS))
390 #define DP_SET(m, p) ((m)[(p) / DP_MAPBITS] |= (1 << ((p) % DP_MAPBITS)))
391 #define DP_CLR(m, p) ((m)[(p) / DP_MAPBITS] &= ~(1 << ((p) % DP_MAPBITS)))
392 #define DP_ISSET(m, p) ((m)[(p) / DP_MAPBITS] & (1 << ((p) % DP_MAPBITS)))
394 /* default values for baddynamicports [see ip_init()] */
395 #define DEFBADDYNAMICPORTS_TCP { \
396 587, 749, 750, 751, 871, 2049, \
397 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010, \
399 #define DEFBADDYNAMICPORTS_UDP { 623, 664, 749, 750, 751, 2049, 0 }
401 struct baddynamicports
{
402 u_int32_t tcp
[DP_MAPSIZE
];
403 u_int32_t udp
[DP_MAPSIZE
];
407 #define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family
408 #define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af)
410 #define INP_ISIPV6(inp) ((inp)->inp_af == AF_INET6)
411 #define INP_ISIPV4(inp) ((inp)->inp_af == AF_INET)
415 static __inline
struct inpcbporthead
*
416 in_pcbporthash_head(struct inpcbportinfo
*portinfo
, u_short lport
)
418 return &portinfo
->porthashbase
[
419 INP_PCBPORTHASH(lport
, portinfo
->porthashcnt
)];
422 #define GET_PORTHASH_TOKEN(porthashhead) \
424 lwkt_getpooltoken((porthashhead)); \
427 #define REL_PORTHASH_TOKEN(porthashhead) \
429 lwkt_relpooltoken((porthashhead)); \
433 #define ASSERT_PORTHASH_TOKEN_HELD(pcbhashhead) \
434 ASSERT_LWKT_TOKEN_HELD(lwkt_token_pool_lookup((pcbhashhead)))
436 #define ASSERT_PORTHASH_TOKEN_HELD(pcbhashhead)
439 #define GET_PCBINFO_TOKEN(pcbinfo) \
441 if ((pcbinfo)->infotoken) \
442 lwkt_gettoken((pcbinfo)->infotoken); \
445 #define REL_PCBINFO_TOKEN(pcbinfo) \
447 if ((pcbinfo)->infotoken) \
448 lwkt_reltoken((pcbinfo)->infotoken); \
452 #define ASSERT_PCBINFO_TOKEN_HELD(pcbinfo) \
454 if ((pcbinfo)->infotoken) \
455 ASSERT_LWKT_TOKEN_HELD((pcbinfo)->infotoken); \
457 #else /* !INVARIANTS */
458 #define ASSERT_PCBINFO_TOKEN_HELD(pcbinfo)
459 #endif /* INVARIANTS */
462 #define ASSERT_INP_NOTINHASH(inp) \
464 KASSERT(!((inp)->inp_flags & INP_CONNECTED), \
465 ("already on connhash")); \
466 KASSERT(!((inp)->inp_flags & INP_WILDCARD), \
467 ("already on wildcardhash")); \
469 #else /* !INVARIANTS */
470 #define ASSERT_INP_NOTINHASH(inp)
471 #endif /* INVARIANTS */
473 extern int ipport_lowfirstauto
;
474 extern int ipport_lowlastauto
;
475 extern int ipport_firstauto
;
476 extern int ipport_lastauto
;
477 extern int ipport_hifirstauto
;
478 extern int ipport_hilastauto
;
483 typedef void (*inp_notify_t
)(struct inpcb
*, int);
485 void in_pcbportrange(u_short
*, u_short
*, u_short
, u_short
);
486 void in_pcbpurgeif0 (struct inpcbinfo
*, struct ifnet
*);
487 void in_losing (struct inpcb
*);
488 void in_rtchange (struct inpcb
*, int);
489 void in_pcbinfo_init (struct inpcbinfo
*, int, boolean_t
);
490 void in_pcbportinfo_init (struct inpcbportinfo
*, int, u_short
);
491 void in_pcbportinfo_set(struct inpcbinfo
*, struct inpcbportinfo
*, int);
492 int in_pcballoc (struct socket
*, struct inpcbinfo
*);
493 void in_pcbunlink (struct inpcb
*, struct inpcbinfo
*);
494 void in_pcbunlink_flags (struct inpcb
*, struct inpcbinfo
*, int);
495 void in_pcblink (struct inpcb
*, struct inpcbinfo
*);
496 void in_pcblink_flags (struct inpcb
*, struct inpcbinfo
*, int);
497 void in_pcbonlist (struct inpcb
*);
498 void in_pcbofflist (struct inpcb
*);
499 int in_pcbbind (struct inpcb
*, struct sockaddr
*, struct thread
*);
500 int in_pcbsrcaddr_check(const struct inpcb
*, struct sockaddr_in
*,
501 struct in_addr
*, struct thread
*);
502 int in_pcbbind_remote(struct inpcb
*, const struct sockaddr
*,
504 int in_pcbconnect (struct inpcb
*, struct sockaddr
*, struct thread
*);
505 void in_pcbdetach (struct inpcb
*);
506 void in_pcbdisconnect (struct inpcb
*);
507 void in_pcbinswildcardhash(struct inpcb
*inp
);
508 void in_pcbinswildcardhash_oncpu(struct inpcb
*, struct inpcbinfo
*);
509 void in_pcbinsconnhash(struct inpcb
*inp
);
510 void in_pcbinsporthash(struct inpcbporthead
*, struct inpcb
*);
511 void in_pcbinsporthash_lport (struct inpcb
*);
512 void in_pcbremporthash (struct inpcb
*);
513 int in_pcbladdr (struct inpcb
*, struct sockaddr
*,
514 struct sockaddr_in
**, struct thread
*);
515 int in_pcbladdr_find (struct inpcb
*, struct sockaddr
*,
516 struct sockaddr_in
**, struct thread
*, int);
518 in_pcblookup_hash (struct inpcbinfo
*,
519 struct in_addr
, u_int
, struct in_addr
, u_int
,
520 boolean_t
, struct ifnet
*);
522 in_pcblookup_pkthash (struct inpcbinfo
*,
523 struct in_addr
, u_int
, struct in_addr
, u_int
,
524 boolean_t
, struct ifnet
*, const struct mbuf
*);
525 void in_pcbnotifyall (struct inpcbinfo
*, struct in_addr
,
527 int in_setpeeraddr (struct socket
*so
, struct sockaddr
**nam
);
528 void in_setpeeraddr_dispatch(union netmsg
*);
529 void in_setsockaddr_dispatch(netmsg_t msg
);
530 int in_baddynamic(u_int16_t
, u_int16_t
);
531 void in_pcbremwildcardhash(struct inpcb
*inp
);
532 void in_pcbremwildcardhash_oncpu(struct inpcb
*, struct inpcbinfo
*);
533 void in_pcbremconnhash(struct inpcb
*inp
);
534 void in_pcbremlists (struct inpcb
*inp
);
535 int prison_xinpcb (struct thread
*p
, struct inpcb
*inp
);
536 void in_savefaddr (struct socket
*so
, const struct sockaddr
*faddr
);
538 in_pcblocalgroup_last(const struct inpcbinfo
*, const struct inpcb
*);
539 void in_pcbglobalinit(void);
540 void in_pcbresetroute(struct inpcb
*);
542 int in_pcblist_range(SYSCTL_HANDLER_ARGS
);
543 int in_pcblist_ncpus(SYSCTL_HANDLER_ARGS
);
547 struct inpcontainer
*
548 in_pcbcontainer_marker(void);
552 #endif /* !_NETINET_IN_PCB_H_ */