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b0d623f7 1/*
fe8ab488 2 * Copyright (c) 2007-2014 Apple Inc. All rights reserved.
b0d623f7
A		 3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
d1ecb069 29/* $apfw: git commit b6bf13f8321283cd7ee82b1795e86506084b1b95 $ */
b0d623f7
A		 30/* $OpenBSD: pfvar.h,v 1.259 2007/12/02 12:08:04 pascoe Exp $ */
31
32/*
33 * Copyright (c) 2001 Daniel Hartmeier
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * - Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * - Redistributions in binary form must reproduce the above
43 * copyright notice, this list of conditions and the following
44 * disclaimer in the documentation and/or other materials provided
45 * with the distribution.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
48 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
49 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
50 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
51 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
52 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
53 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
54 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
55 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
57 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
58 * POSSIBILITY OF SUCH DAMAGE.
59 *
60 */
61
62#ifndef _NET_PFVAR_H_
63#define _NET_PFVAR_H_
64
65#ifdef PRIVATE
d1ecb069
A		 66/*
67 * XXX
68 * XXX Private interfaces. Do not include this file; use pfctl(8) instead.
69 * XXX
70 */
b0d623f7
A		 71#if PF || !defined(KERNEL)
72
73#ifdef __cplusplus
74extern "C" {
75#endif
76
316670eb 77#include <stdbool.h>
b0d623f7
A		 78#include <sys/param.h>
79#include <sys/types.h>
80#include <sys/queue.h>
6d2010ae 81#include <libkern/tree.h>
b0d623f7
A		 82
83#include <net/radix.h>
84#include <netinet/in.h>
85
86#ifdef KERNEL
87#include <kern/kern_types.h>
88#include <kern/zalloc.h>
fe8ab488 89#include <kern/locks.h>
b0d623f7
A		 90
91#include <machine/endian.h>
92#include <sys/systm.h>
b0d623f7
A		 93
94#if BYTE_ORDER == BIG_ENDIAN
95#define htobe64(x) (x)
96#else /* LITTLE ENDIAN */
97#define htobe64(x) __DARWIN_OSSwapInt64(x)
98#endif /* LITTLE_ENDIAN */
99
100#define be64toh(x) htobe64(x)
101
39236c6e
A		 102extern lck_rw_t *pf_perim_lock;
103extern lck_mtx_t *pf_lock;
b0d623f7
A		 104
105struct pool {
106 struct zone *pool_zone; /* pointer to backend zone */
107 const char *pool_name; /* name of pool */
108 unsigned int pool_count; /* # of outstanding elements */
109 unsigned int pool_hiwat; /* high watermark */
110 unsigned int pool_limit; /* hard limit */
111 unsigned int pool_fails; /* # of failed allocs due to limit */
112};
113
114#define PR_NOWAIT FALSE
115#define PR_WAITOK TRUE
116
117__private_extern__ void pool_init(struct pool *, size_t, unsigned int,
118 unsigned int, int, const char *, void *);
119__private_extern__ void pool_destroy(struct pool *);
120__private_extern__ void pool_sethiwat(struct pool *, int);
121__private_extern__ void pool_sethardlimit(struct pool *, int,
122 const char *, int);
123__private_extern__ void *pool_get(struct pool *, int);
124__private_extern__ void pool_put(struct pool *, void *);
125__private_extern__ u_int64_t pf_time_second(void);
b7266188 126__private_extern__ u_int64_t pf_calendar_time_second(void);
b0d623f7
A		 127#endif /* KERNEL */
128
129union sockaddr_union {
130 struct sockaddr sa;
131 struct sockaddr_in sin;
132 struct sockaddr_in6 sin6;
133};
134
b0d623f7
A		 135#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
136#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
137
138#define PF_MD5_DIGEST_LENGTH 16
139#ifdef MD5_DIGEST_LENGTH
140#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH
141#error
d1ecb069
A		 142#endif /* PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH */
143#endif /* MD5_DIGEST_LENGTH */
b0d623f7 144
d1ecb069
A		 145#ifdef KERNEL
146struct ip;
147struct ip6_hdr;
148struct tcphdr;
b0d623f7
A		 149struct pf_grev1_hdr;
150struct pf_esp_hdr;
d1ecb069 151#endif /* KERNEL */
b0d623f7 152
316670eb
A		 153#define PF_GRE_PPTP_VARIANT 0x01
154
b0d623f7
A		 155enum { PF_INOUT, PF_IN, PF_OUT };
156enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
316670eb
A		 157 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP,
158 PF_DUMMYNET, PF_NODUMMYNET };
b0d623f7 159enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
316670eb
A		 160 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_DUMMYNET,
161 PF_RULESET_MAX };
b0d623f7
A		 162enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
163 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
164enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
165enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
166 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
167 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
168enum { PF_GET_NONE, PF_GET_CLR_CNTR };
169
170/*
171 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
172 * PFTM_MAX, special cases afterwards. See pf_state_expires().
173 */
174enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
175 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
176 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
177 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
316670eb
A		 178 PFTM_GREv1_FIRST_PACKET, PFTM_GREv1_INITIATING,
179 PFTM_GREv1_ESTABLISHED, PFTM_ESP_FIRST_PACKET, PFTM_ESP_INITIATING,
180 PFTM_ESP_ESTABLISHED, PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
b0d623f7
A		 181 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
182 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
fe8ab488 183 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED };
b0d623f7
A		 184
185/* PFTM default values */
186#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
187#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
188#define PFTM_TCP_ESTABLISHED_VAL (24 * 60 * 60) /* Established */
189#define PFTM_TCP_CLOSING_VAL (15 * 60) /* Half closed */
190#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
191#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
192#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
193#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
194#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
195#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
196#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
b0d623f7
A		 197#define PFTM_GREv1_FIRST_PACKET_VAL 120
198#define PFTM_GREv1_INITIATING_VAL 30
199#define PFTM_GREv1_ESTABLISHED_VAL 1800
200#define PFTM_ESP_FIRST_PACKET_VAL 120
201#define PFTM_ESP_INITIATING_VAL 30
202#define PFTM_ESP_ESTABLISHED_VAL 900
b0d623f7
A		 203#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
204#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
205#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
206#define PFTM_FRAG_VAL 30 /* Fragment expire */
207#define PFTM_INTERVAL_VAL 10 /* Expire interval */
208#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
209#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
210
211enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
212enum { PF_LIMIT_STATES,
b0d623f7 213 PF_LIMIT_APP_STATES,
b0d623f7
A		 214 PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS,
215 PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX };
216#define PF_POOL_IDMASK 0x0f
217enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
218 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
219enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
220 PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED,
221 PF_ADDR_RANGE };
222#define PF_POOL_TYPEMASK 0x0f
223#define PF_POOL_STICKYADDR 0x20
224#define PF_WSCALE_FLAG 0x80
225#define PF_WSCALE_MASK 0x0f
226
227#define PF_LOG 0x01
228#define PF_LOG_ALL 0x02
229#define PF_LOG_SOCKET_LOOKUP 0x04
230
231struct pf_addr {
232 union {
233 struct in_addr v4;
234 struct in6_addr v6;
235 u_int8_t addr8[16];
236 u_int16_t addr16[8];
237 u_int32_t addr32[4];
238 } pfa; /* 128-bit address */
239#define v4 pfa.v4
240#define v6 pfa.v6
241#define addr8 pfa.addr8
242#define addr16 pfa.addr16
243#define addr32 pfa.addr32
244};
245
246#define PF_TABLE_NAME_SIZE 32
247
248#define PFI_AFLAG_NETWORK 0x01
249#define PFI_AFLAG_BROADCAST 0x02
250#define PFI_AFLAG_PEER 0x04
251#define PFI_AFLAG_MODEMASK 0x07
252#define PFI_AFLAG_NOALIAS 0x08
253
254#ifndef RTLABEL_LEN
255#define RTLABEL_LEN 32
256#endif
257
258struct pf_addr_wrap {
259 union {
260 struct {
261 struct pf_addr addr;
262 struct pf_addr mask;
263 } a;
264 char ifname[IFNAMSIZ];
265 char tblname[PF_TABLE_NAME_SIZE];
266 char rtlabelname[RTLABEL_LEN];
267 u_int32_t rtlabel;
268 } v;
269 union {
d1ecb069 270#ifdef KERNEL
b0d623f7
A		 271 struct pfi_dynaddr *dyn __attribute__((aligned(8)));
272 struct pfr_ktable *tbl __attribute__((aligned(8)));
d1ecb069
A		 273#else /* !KERNEL */
274 void *dyn __attribute__((aligned(8)));
275 void *tbl __attribute__((aligned(8)));
276#endif /* !KERNEL */
b0d623f7
A		 277 int dyncnt __attribute__((aligned(8)));
278 int tblcnt __attribute__((aligned(8)));
279 } p __attribute__((aligned(8)));
280 u_int8_t type; /* PF_ADDR_* */
281 u_int8_t iflags; /* PFI_AFLAG_* */
282};
283
b0d623f7
A		 284struct pf_port_range {
285 u_int16_t port[2];
286 u_int8_t op;
287};
288
289union pf_rule_xport {
290 struct pf_port_range range;
291 u_int16_t call_id;
292 u_int32_t spi;
293};
b0d623f7
A		 294
295#ifdef KERNEL
296struct pfi_dynaddr {
297 TAILQ_ENTRY(pfi_dynaddr) entry;
298 struct pf_addr pfid_addr4;
299 struct pf_addr pfid_mask4;
300 struct pf_addr pfid_addr6;
301 struct pf_addr pfid_mask6;
302 struct pfr_ktable *pfid_kt;
303 struct pfi_kif *pfid_kif;
304 void *pfid_hook_cookie;
305 int pfid_net; /* mask or 128 */
306 int pfid_acnt4; /* address count IPv4 */
307 int pfid_acnt6; /* address count IPv6 */
308 sa_family_t pfid_af; /* rule af */
309 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
310};
311
312/*
313 * Address manipulation macros
314 */
315
316#if INET
317#if !INET6
318#define PF_INET_ONLY
319#endif /* ! INET6 */
320#endif /* INET */
321
322#if INET6
323#if !INET
324#define PF_INET6_ONLY
325#endif /* ! INET */
326#endif /* INET6 */
327
328#if INET
329#if INET6
330#define PF_INET_INET6
331#endif /* INET6 */
332#endif /* INET */
333
d1ecb069 334#else /* !KERNEL */
b0d623f7
A		 335
336#define PF_INET_INET6
337
d1ecb069 338#endif /* !KERNEL */
b0d623f7
A		 339
340/* Both IPv4 and IPv6 */
341#ifdef PF_INET_INET6
342
343#define PF_AEQ(a, b, c) \
344 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
345 ((a)->addr32[3] == (b)->addr32[3] && \
346 (a)->addr32[2] == (b)->addr32[2] && \
347 (a)->addr32[1] == (b)->addr32[1] && \
348 (a)->addr32[0] == (b)->addr32[0])) \
349
350#define PF_ANEQ(a, b, c) \
351 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
352 ((a)->addr32[3] != (b)->addr32[3] || \
353 (a)->addr32[2] != (b)->addr32[2] || \
354 (a)->addr32[1] != (b)->addr32[1] || \
355 (a)->addr32[0] != (b)->addr32[0])) \
356
316670eb
A		 357#define PF_ALEQ(a, b, c) \
358 ((c == AF_INET && (a)->addr32[0] <= (b)->addr32[0]) || \
359 ((a)->addr32[3] <= (b)->addr32[3] && \
360 (a)->addr32[2] <= (b)->addr32[2] && \
361 (a)->addr32[1] <= (b)->addr32[1] && \
362 (a)->addr32[0] <= (b)->addr32[0])) \
363
b0d623f7
A		 364#define PF_AZERO(a, c) \
365 ((c == AF_INET && !(a)->addr32[0]) || \
366 (!(a)->addr32[0] && !(a)->addr32[1] && \
367 !(a)->addr32[2] && !(a)->addr32[3])) \
368
369#define PF_MATCHA(n, a, m, b, f) \
370 pf_match_addr(n, a, m, b, f)
371
372#define PF_ACPY(a, b, f) \
373 pf_addrcpy(a, b, f)
374
375#define PF_AINC(a, f) \
376 pf_addr_inc(a, f)
377
378#define PF_POOLMASK(a, b, c, d, f) \
379 pf_poolmask(a, b, c, d, f)
380
381#else
382
383/* Just IPv6 */
384
385#ifdef PF_INET6_ONLY
386
387#define PF_AEQ(a, b, c) \
388 ((a)->addr32[3] == (b)->addr32[3] && \
389 (a)->addr32[2] == (b)->addr32[2] && \
390 (a)->addr32[1] == (b)->addr32[1] && \
391 (a)->addr32[0] == (b)->addr32[0]) \
392
393#define PF_ANEQ(a, b, c) \
394 ((a)->addr32[3] != (b)->addr32[3] || \
395 (a)->addr32[2] != (b)->addr32[2] || \
396 (a)->addr32[1] != (b)->addr32[1] || \
397 (a)->addr32[0] != (b)->addr32[0]) \
398
316670eb
A		 399#define PF_ALEQ(a, b, c) \
400 ((a)->addr32[3] <= (b)->addr32[3] && \
401 (a)->addr32[2] <= (b)->addr32[2] && \
402 (a)->addr32[1] <= (b)->addr32[1] && \
403 (a)->addr32[0] <= (b)->addr32[0]) \
404
b0d623f7
A		 405#define PF_AZERO(a, c) \
406 (!(a)->addr32[0] && \
407 !(a)->addr32[1] && \
408 !(a)->addr32[2] && \
409 !(a)->addr32[3]) \
410
411#define PF_MATCHA(n, a, m, b, f) \
412 pf_match_addr(n, a, m, b, f)
413
414#define PF_ACPY(a, b, f) \
415 pf_addrcpy(a, b, f)
416
417#define PF_AINC(a, f) \
418 pf_addr_inc(a, f)
419
420#define PF_POOLMASK(a, b, c, d, f) \
421 pf_poolmask(a, b, c, d, f)
422
423#else
424
425/* Just IPv4 */
426#ifdef PF_INET_ONLY
427
428#define PF_AEQ(a, b, c) \
429 ((a)->addr32[0] == (b)->addr32[0])
430
431#define PF_ANEQ(a, b, c) \
432 ((a)->addr32[0] != (b)->addr32[0])
433
316670eb
A		 434#define PF_ALEQ(a, b, c) \
435 ((a)->addr32[0] <= (b)->addr32[0])
436
b0d623f7
A		 437#define PF_AZERO(a, c) \
438 (!(a)->addr32[0])
439
440#define PF_MATCHA(n, a, m, b, f) \
441 pf_match_addr(n, a, m, b, f)
442
443#define PF_ACPY(a, b, f) \
444 (a)->v4.s_addr = (b)->v4.s_addr
445
446#define PF_AINC(a, f) \
447 do { \
448 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
449 } while (0)
450
451#define PF_POOLMASK(a, b, c, d, f) \
452 do { \
453 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
454 (((c)->addr32[0] ^ 0xffffffff) & (d)->addr32[0]); \
455 } while (0)
456
457#endif /* PF_INET_ONLY */
458#endif /* PF_INET6_ONLY */
459#endif /* PF_INET_INET6 */
460
d1ecb069 461#ifdef KERNEL
b0d623f7
A		 462#define PF_MISMATCHAW(aw, x, af, neg, ifp) \
463 ( \
464 (((aw)->type == PF_ADDR_NOROUTE && \
465 pf_routable((x), (af), NULL)) || \
466 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
467 pf_routable((x), (af), (ifp))) || \
468 ((aw)->type == PF_ADDR_RTLABEL && \
469 !pf_rtlabel_match((x), (af), (aw))) || \
470 ((aw)->type == PF_ADDR_TABLE && \
471 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
472 ((aw)->type == PF_ADDR_DYNIFTL && \
473 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
474 ((aw)->type == PF_ADDR_RANGE && \
475 !pf_match_addr_range(&(aw)->v.a.addr, \
476 &(aw)->v.a.mask, (x), (af))) || \
477 ((aw)->type == PF_ADDR_ADDRMASK && \
478 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
479 !PF_MATCHA(0, &(aw)->v.a.addr, \
480 &(aw)->v.a.mask, (x), (af))))) != \
481 (neg) \
482 )
d1ecb069 483#endif /* KERNEL */
b0d623f7
A		 484
485struct pf_rule_uid {
486 uid_t uid[2];
487 u_int8_t op;
488 u_int8_t _pad[3];
489};
490
491struct pf_rule_gid {
492 uid_t gid[2];
493 u_int8_t op;
494 u_int8_t _pad[3];
495};
496
497struct pf_rule_addr {
498 struct pf_addr_wrap addr;
b0d623f7
A		 499 union pf_rule_xport xport;
500 u_int8_t neg;
b0d623f7
A		 501};
502
503struct pf_pooladdr {
504 struct pf_addr_wrap addr;
505 TAILQ_ENTRY(pf_pooladdr) entries;
506#if !defined(__LP64__)
d1ecb069 507 u_int32_t _pad[2];
b0d623f7
A		 508#endif /* !__LP64__ */
509 char ifname[IFNAMSIZ];
d1ecb069 510#ifdef KERNEL
b0d623f7 511 struct pfi_kif *kif __attribute__((aligned(8)));
d1ecb069
A		 512#else /* !KERNEL */
513 void *kif __attribute__((aligned(8)));
514#endif /* !KERNEL */
b0d623f7
A		 515};
516
517TAILQ_HEAD(pf_palist, pf_pooladdr);
518
519struct pf_poolhashkey {
520 union {
521 u_int8_t key8[16];
522 u_int16_t key16[8];
523 u_int32_t key32[4];
524 } pfk; /* 128-bit hash key */
525#define key8 pfk.key8
526#define key16 pfk.key16
527#define key32 pfk.key32
528};
529
530struct pf_pool {
531 struct pf_palist list;
532#if !defined(__LP64__)
d1ecb069 533 u_int32_t _pad[2];
b0d623f7 534#endif /* !__LP64__ */
d1ecb069 535#ifdef KERNEL
b0d623f7 536 struct pf_pooladdr *cur __attribute__((aligned(8)));
d1ecb069
A		 537#else /* !KERNEL */
538 void *cur __attribute__((aligned(8)));
539#endif /* !KERNEL */
b0d623f7
A		 540 struct pf_poolhashkey key __attribute__((aligned(8)));
541 struct pf_addr counter;
542 int tblidx;
543 u_int16_t proxy_port[2];
544 u_int8_t port_op;
545 u_int8_t opts;
546};
547
548
549/* A packed Operating System description for fingerprinting */
550typedef u_int32_t pf_osfp_t;
551#define PF_OSFP_ANY ((pf_osfp_t)0)
552#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
553#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
554
555struct pf_osfp_entry {
556 SLIST_ENTRY(pf_osfp_entry) fp_entry;
557#if !defined(__LP64__)
558 u_int32_t _pad;
559#endif /* !__LP64__ */
560 pf_osfp_t fp_os;
561 int fp_enflags;
562#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
563#define PF_OSFP_GENERIC 0x002 /* generic signature */
564#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
565#define PF_OSFP_LEN 32
566 char fp_class_nm[PF_OSFP_LEN];
567 char fp_version_nm[PF_OSFP_LEN];
568 char fp_subtype_nm[PF_OSFP_LEN];
569};
570#define PF_OSFP_ENTRY_EQ(a, b) \
571 ((a)->fp_os == (b)->fp_os && \
572 memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
573 memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
574 memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
575
576/* handle pf_osfp_t packing */
577#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
578#define _FP_UNUSED_BITS 1
579#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
580#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
581#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
582#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
583 (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
584 ((1 << _FP_CLASS_BITS) - 1); \
585 (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
586 ((1 << _FP_VERSION_BITS) - 1);\
587 (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
588} while (0)
589#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
590 (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
591 + _FP_SUBTYPE_BITS); \
592 (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
593 _FP_SUBTYPE_BITS; \
594 (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
595} while (0)
596
597/* the fingerprint of an OSes TCP SYN packet */
598typedef u_int64_t pf_tcpopts_t;
599struct pf_os_fingerprint {
600 SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
601 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
602 u_int16_t fp_wsize; /* TCP window size */
603 u_int16_t fp_psize; /* ip->ip_len */
604 u_int16_t fp_mss; /* TCP MSS */
605 u_int16_t fp_flags;
606#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
607#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
608#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
609#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
610#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
611#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
612#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
613#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
614#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
615#define PF_OSFP_MSS 0x0200 /* TCP MSS */
616#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
617#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
618#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
619#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
620#define PF_OSFP_INET6 0x4000 /* IPv6 */
621 u_int8_t fp_optcnt; /* TCP option count */
622 u_int8_t fp_wscale; /* TCP window scaling */
623 u_int8_t fp_ttl; /* IPv4 TTL */
624#define PF_OSFP_MAXTTL_OFFSET 40
625/* TCP options packing */
626#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
627#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
628#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
629#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
630#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
631#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
632#define PF_OSFP_MAX_OPTS \
633 (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
634 / PF_OSFP_TCPOPT_BITS
635
636 SLIST_ENTRY(pf_os_fingerprint) fp_next;
637};
638
639struct pf_osfp_ioctl {
640 struct pf_osfp_entry fp_os;
641 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
642 u_int16_t fp_wsize; /* TCP window size */
643 u_int16_t fp_psize; /* ip->ip_len */
644 u_int16_t fp_mss; /* TCP MSS */
645 u_int16_t fp_flags;
646 u_int8_t fp_optcnt; /* TCP option count */
647 u_int8_t fp_wscale; /* TCP window scaling */
648 u_int8_t fp_ttl; /* IPv4 TTL */
649
650 int fp_getnum; /* DIOCOSFPGET number */
651};
652
653
654union pf_rule_ptr {
655 struct pf_rule *ptr __attribute__((aligned(8)));
656 u_int32_t nr __attribute__((aligned(8)));
657} __attribute__((aligned(8)));
658
659#define PF_ANCHOR_NAME_SIZE 64
660
661struct pf_rule {
662 struct pf_rule_addr src;
663 struct pf_rule_addr dst;
664#define PF_SKIP_IFP 0
665#define PF_SKIP_DIR 1
666#define PF_SKIP_AF 2
667#define PF_SKIP_PROTO 3
668#define PF_SKIP_SRC_ADDR 4
669#define PF_SKIP_SRC_PORT 5
670#define PF_SKIP_DST_ADDR 6
671#define PF_SKIP_DST_PORT 7
672#define PF_SKIP_COUNT 8
673 union pf_rule_ptr skip[PF_SKIP_COUNT];
674#define PF_RULE_LABEL_SIZE 64
675 char label[PF_RULE_LABEL_SIZE];
676#define PF_QNAME_SIZE 64
677 char ifname[IFNAMSIZ];
678 char qname[PF_QNAME_SIZE];
679 char pqname[PF_QNAME_SIZE];
680#define PF_TAG_NAME_SIZE 64
681 char tagname[PF_TAG_NAME_SIZE];
682 char match_tagname[PF_TAG_NAME_SIZE];
683
684 char overload_tblname[PF_TABLE_NAME_SIZE];
685
686 TAILQ_ENTRY(pf_rule) entries;
687#if !defined(__LP64__)
d1ecb069 688 u_int32_t _pad[2];
b0d623f7
A		 689#endif /* !__LP64__ */
690 struct pf_pool rpool;
691
692 u_int64_t evaluations;
693 u_int64_t packets[2];
694 u_int64_t bytes[2];
695
39236c6e 696 u_int64_t ticket;
316670eb
A		 697#define PF_OWNER_NAME_SIZE 64
698 char owner[PF_OWNER_NAME_SIZE];
699 u_int32_t priority;
700
d1ecb069 701#ifdef KERNEL
b0d623f7 702 struct pfi_kif *kif __attribute__((aligned(8)));
d1ecb069
A		 703#else /* !KERNEL */
704 void *kif __attribute__((aligned(8)));
705#endif /* !KERNEL */
b0d623f7 706 struct pf_anchor *anchor __attribute__((aligned(8)));
d1ecb069 707#ifdef KERNEL
b0d623f7 708 struct pfr_ktable *overload_tbl __attribute__((aligned(8)));
d1ecb069
A		 709#else /* !KERNEL */
710 void *overload_tbl __attribute__((aligned(8)));
711#endif /* !KERNEL */
b0d623f7
A		 712
713 pf_osfp_t os_fingerprint __attribute__((aligned(8)));
714
715 unsigned int rtableid;
716 u_int32_t timeout[PFTM_MAX];
717 u_int32_t states;
718 u_int32_t max_states;
719 u_int32_t src_nodes;
720 u_int32_t max_src_nodes;
721 u_int32_t max_src_states;
722 u_int32_t max_src_conn;
723 struct {
724 u_int32_t limit;
725 u_int32_t seconds;
726 } max_src_conn_rate;
727 u_int32_t qid;
728 u_int32_t pqid;
729 u_int32_t rt_listid;
730 u_int32_t nr;
731 u_int32_t prob;
732 uid_t cuid;
733 pid_t cpid;
734
735 u_int16_t return_icmp;
736 u_int16_t return_icmp6;
737 u_int16_t max_mss;
738 u_int16_t tag;
739 u_int16_t match_tag;
740
741 struct pf_rule_uid uid;
742 struct pf_rule_gid gid;
743
744 u_int32_t rule_flag;
745 u_int8_t action;
746 u_int8_t direction;
747 u_int8_t log;
748 u_int8_t logif;
749 u_int8_t quick;
750 u_int8_t ifnot;
751 u_int8_t match_tag_not;
752 u_int8_t natpass;
753
754#define PF_STATE_NORMAL 0x1
755#define PF_STATE_MODULATE 0x2
756#define PF_STATE_SYNPROXY 0x3
757 u_int8_t keep_state;
758 sa_family_t af;
759 u_int8_t proto;
760 u_int8_t type;
761 u_int8_t code;
762 u_int8_t flags;
763 u_int8_t flagset;
764 u_int8_t min_ttl;
765 u_int8_t allow_opts;
766 u_int8_t rt;
767 u_int8_t return_ttl;
316670eb
A		 768
769/* service class categories */
770#define SCIDX_MASK 0x0f
771#define SC_BE 0x10
772#define SC_BK_SYS 0x11
773#define SC_BK 0x12
774#define SC_RD 0x13
775#define SC_OAM 0x14
776#define SC_AV 0x15
777#define SC_RV 0x16
778#define SC_VI 0x17
779#define SC_VO 0x18
780#define SC_CTL 0x19
781
782/* diffserve code points */
783#define DSCP_MASK 0xfc
784#define DSCP_CUMASK 0x03
785#define DSCP_EF 0xb8
786#define DSCP_AF11 0x28
787#define DSCP_AF12 0x30
788#define DSCP_AF13 0x38
789#define DSCP_AF21 0x48
790#define DSCP_AF22 0x50
791#define DSCP_AF23 0x58
792#define DSCP_AF31 0x68
793#define DSCP_AF32 0x70
794#define DSCP_AF33 0x78
795#define DSCP_AF41 0x88
796#define DSCP_AF42 0x90
797#define DSCP_AF43 0x98
798#define AF_CLASSMASK 0xe0
799#define AF_DROPPRECMASK 0x18
b0d623f7
A		 800 u_int8_t tos;
801 u_int8_t anchor_relative;
802 u_int8_t anchor_wildcard;
803
804#define PF_FLUSH 0x01
805#define PF_FLUSH_GLOBAL 0x02
806 u_int8_t flush;
807
b0d623f7
A		 808 u_int8_t proto_variant;
809 u_int8_t extfilter; /* Filter mode [PF_EXTFILTER_xxx] */
316670eb
A		 810 u_int8_t extmap; /* Mapping mode [PF_EXTMAP_xxx] */
811 u_int32_t dnpipe;
812 u_int32_t dntype;
b0d623f7
A		 813};
814
316670eb
A		 815/* pf device identifiers */
816#define PFDEV_PF 0
817#define PFDEV_PFM 1
818#define PFDEV_MAX 2
819
b0d623f7
A		 820/* rule flags */
821#define PFRULE_DROP 0x0000
822#define PFRULE_RETURNRST 0x0001
823#define PFRULE_FRAGMENT 0x0002
824#define PFRULE_RETURNICMP 0x0004
825#define PFRULE_RETURN 0x0008
826#define PFRULE_NOSYNC 0x0010
827#define PFRULE_SRCTRACK 0x0020 /* track source states */
828#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
829
830/* scrub flags */
831#define PFRULE_NODF 0x0100
832#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
833#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
834#define PFRULE_RANDOMID 0x0800
835#define PFRULE_REASSEMBLE_TCP 0x1000
836
316670eb
A		 837/* rule flags for TOS/DSCP/service class differentiation */
838#define PFRULE_TOS 0x2000
839#define PFRULE_DSCP 0x4000
840#define PFRULE_SC 0x8000
841
b0d623f7 842/* rule flags again */
316670eb
A		 843#define PFRULE_IFBOUND 0x00010000 /* if-bound */
844#define PFRULE_PFM 0x00020000 /* created by pfm device */
b0d623f7 845
316670eb
A		 846#define PFSTATE_HIWAT 10000 /* default state table size */
847#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */
848#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */
b0d623f7 849
316670eb 850#define PFAPPSTATE_HIWAT 10000 /* default same as state table */
b0d623f7
A		 851
852enum pf_extmap {
853 PF_EXTMAP_APD = 1, /* Address-port-dependent mapping */
316670eb
A		 854 PF_EXTMAP_AD, /* Address-dependent mapping */
855 PF_EXTMAP_EI /* Endpoint-independent mapping */
b0d623f7
A		 856};
857
858enum pf_extfilter {
859 PF_EXTFILTER_APD = 1, /* Address-port-dependent filtering */
316670eb
A		 860 PF_EXTFILTER_AD, /* Address-dependent filtering */
861 PF_EXTFILTER_EI /* Endpoint-independent filtering */
b0d623f7 862};
b0d623f7
A		 863
864struct pf_threshold {
865 u_int32_t limit;
866#define PF_THRESHOLD_MULT 1000
867#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
868 u_int32_t seconds;
869 u_int32_t count;
870 u_int32_t last;
871};
872
873struct pf_src_node {
874 RB_ENTRY(pf_src_node) entry;
875 struct pf_addr addr;
876 struct pf_addr raddr;
877 union pf_rule_ptr rule;
d1ecb069 878#ifdef KERNEL
b0d623f7 879 struct pfi_kif *kif;
d1ecb069
A		 880#else /* !KERNEL */
881 void *kif;
882#endif /* !KERNEL */
b0d623f7
A		 883 u_int64_t bytes[2];
884 u_int64_t packets[2];
885 u_int32_t states;
886 u_int32_t conn;
887 struct pf_threshold conn_rate;
888 u_int64_t creation;
889 u_int64_t expire;
890 sa_family_t af;
891 u_int8_t ruletype;
892};
893
894#define PFSNODE_HIWAT 10000 /* default source node table size */
895
d1ecb069 896#ifdef KERNEL
b0d623f7
A		 897struct pf_state_scrub {
898 struct timeval pfss_last; /* time received last packet */
899 u_int32_t pfss_tsecr; /* last echoed timestamp */
900 u_int32_t pfss_tsval; /* largest timestamp */
901 u_int32_t pfss_tsval0; /* original timestamp */
902 u_int16_t pfss_flags;
903#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
904#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
905#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
906#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
907#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
908 u_int8_t pfss_ttl; /* stashed TTL */
909 u_int8_t pad;
910 u_int32_t pfss_ts_mod; /* timestamp modulation */
911};
d1ecb069 912#endif /* KERNEL */
b0d623f7 913
b0d623f7
A		 914union pf_state_xport {
915 u_int16_t port;
916 u_int16_t call_id;
917 u_int32_t spi;
918};
919
920struct pf_state_host {
316670eb 921 struct pf_addr addr;
b0d623f7
A		 922 union pf_state_xport xport;
923};
b0d623f7 924
d1ecb069 925#ifdef KERNEL
b0d623f7
A		 926struct pf_state_peer {
927 u_int32_t seqlo; /* Max sequence number sent */
928 u_int32_t seqhi; /* Max the other end ACKd + win */
929 u_int32_t seqdiff; /* Sequence number modulator */
930 u_int16_t max_win; /* largest window (pre scaling) */
931 u_int8_t state; /* active state level */
932 u_int8_t wscale; /* window scaling factor */
933 u_int16_t mss; /* Maximum segment size option */
934 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
935 struct pf_state_scrub *scrub; /* state is scrubbed */
936 u_int8_t pad[3];
937};
938
939TAILQ_HEAD(pf_state_queue, pf_state);
940
b0d623f7
A		 941struct pf_state;
942struct pf_pdesc;
943struct pf_app_state;
944
945typedef void (*pf_app_handler)(struct pf_state *, int, int, struct pf_pdesc *,
946 struct pfi_kif *);
947
948typedef int (*pf_app_compare)(struct pf_app_state *, struct pf_app_state *);
949
950struct pf_pptp_state {
951 struct pf_state *grev1_state;
952};
953
d1ecb069
A		 954struct pf_grev1_state {
955 struct pf_state *pptp_state;
956};
957
b0d623f7
A		 958struct pf_ike_state {
959 u_int64_t cookie;
960};
961
962struct pf_app_state {
963 pf_app_handler handler;
964 pf_app_compare compare_lan_ext;
965 pf_app_compare compare_ext_gwy;
966 union {
967 struct pf_pptp_state pptp;
d1ecb069 968 struct pf_grev1_state grev1;
b0d623f7
A		 969 struct pf_ike_state ike;
970 } u;
971};
b0d623f7
A		 972
973/* keep synced with struct pf_state, used in RB_FIND */
974struct pf_state_key_cmp {
975 struct pf_state_host lan;
976 struct pf_state_host gwy;
977 struct pf_state_host ext;
978 sa_family_t af;
979 u_int8_t proto;
980 u_int8_t direction;
b0d623f7
A		 981 u_int8_t proto_variant;
982 struct pf_app_state *app_state;
b0d623f7
A		 983};
984
985TAILQ_HEAD(pf_statelist, pf_state);
986
987struct pf_state_key {
988 struct pf_state_host lan;
989 struct pf_state_host gwy;
990 struct pf_state_host ext;
991 sa_family_t af;
992 u_int8_t proto;
993 u_int8_t direction;
b0d623f7
A		 994 u_int8_t proto_variant;
995 struct pf_app_state *app_state;
39236c6e 996 u_int32_t flowsrc;
316670eb 997 u_int32_t flowhash;
b0d623f7
A		 998
999 RB_ENTRY(pf_state_key) entry_lan_ext;
1000 RB_ENTRY(pf_state_key) entry_ext_gwy;
1001 struct pf_statelist states;
316670eb 1002 u_int32_t refcnt;
b0d623f7
A		 1003};
1004
1005
1006/* keep synced with struct pf_state, used in RB_FIND */
1007struct pf_state_cmp {
1008 u_int64_t id;
1009 u_int32_t creatorid;
1010 u_int32_t pad;
1011};
316670eb
A		 1012
1013/* flowhash key (12-bytes multiple for performance) */
1014struct pf_flowhash_key {
1015 struct pf_state_host ap1; /* address+port blob 1 */
1016 struct pf_state_host ap2; /* address+port blob 2 */
1017 u_int32_t af;
1018 u_int32_t proto;
1019};
d1ecb069 1020#endif /* KERNEL */
b0d623f7
A		 1021
1022struct hook_desc;
1023TAILQ_HEAD(hook_desc_head, hook_desc);
1024
d1ecb069 1025#ifdef KERNEL
b0d623f7
A		 1026struct pf_state {
1027 u_int64_t id;
1028 u_int32_t creatorid;
1029 u_int32_t pad;
1030
1031 TAILQ_ENTRY(pf_state) entry_list;
1032 TAILQ_ENTRY(pf_state) next;
1033 RB_ENTRY(pf_state) entry_id;
1034 struct pf_state_peer src;
1035 struct pf_state_peer dst;
1036 union pf_rule_ptr rule;
1037 union pf_rule_ptr anchor;
1038 union pf_rule_ptr nat_rule;
1039 struct pf_addr rt_addr;
316670eb 1040 struct hook_desc_head unlink_hooks;
b0d623f7
A		 1041 struct pf_state_key *state_key;
1042 struct pfi_kif *kif;
1043 struct pfi_kif *rt_kif;
1044 struct pf_src_node *src_node;
1045 struct pf_src_node *nat_src_node;
1046 u_int64_t packets[2];
1047 u_int64_t bytes[2];
1048 u_int64_t creation;
1049 u_int64_t expire;
1050 u_int64_t pfsync_time;
1051 u_int16_t tag;
1052 u_int8_t log;
1053 u_int8_t allow_opts;
1054 u_int8_t timeout;
1055 u_int8_t sync_flags;
d1ecb069
A		 1056};
1057#endif /* KERNEL */
1058
b0d623f7
A		 1059#define PFSTATE_NOSYNC 0x01
1060#define PFSTATE_FROMSYNC 0x02
1061#define PFSTATE_STALE 0x04
b0d623f7
A		 1062
1063#define __packed __attribute__((__packed__))
1064
1065/*
1066 * Unified state structures for pulling states out of the kernel
1067 * used by pfsync(4) and the pf(4) ioctl.
1068 */
1069struct pfsync_state_scrub {
1070 u_int16_t pfss_flags;
1071 u_int8_t pfss_ttl; /* stashed TTL */
1072#define PFSYNC_SCRUB_FLAG_VALID 0x01
1073 u_int8_t scrub_flag;
1074 u_int32_t pfss_ts_mod; /* timestamp modulation */
1075} __packed;
1076
1077struct pfsync_state_host {
316670eb 1078 struct pf_addr addr;
b0d623f7 1079 union pf_state_xport xport;
316670eb 1080 u_int16_t pad[2];
b0d623f7
A		 1081} __packed;
1082
1083struct pfsync_state_peer {
1084 struct pfsync_state_scrub scrub; /* state is scrubbed */
1085 u_int32_t seqlo; /* Max sequence number sent */
1086 u_int32_t seqhi; /* Max the other end ACKd + win */
1087 u_int32_t seqdiff; /* Sequence number modulator */
1088 u_int16_t max_win; /* largest window (pre scaling) */
1089 u_int16_t mss; /* Maximum segment size option */
1090 u_int8_t state; /* active state level */
1091 u_int8_t wscale; /* window scaling factor */
1092 u_int8_t pad[6];
1093} __packed;
1094
1095struct pfsync_state {
1096 u_int32_t id[2];
1097 char ifname[IFNAMSIZ];
1098 struct pfsync_state_host lan;
1099 struct pfsync_state_host gwy;
1100 struct pfsync_state_host ext;
1101 struct pfsync_state_peer src;
1102 struct pfsync_state_peer dst;
1103 struct pf_addr rt_addr;
b0d623f7
A		 1104 struct hook_desc_head unlink_hooks;
1105#if !defined(__LP64__)
1106 u_int32_t _pad[2];
1107#endif /* !__LP64__ */
b0d623f7
A		 1108 u_int32_t rule;
1109 u_int32_t anchor;
1110 u_int32_t nat_rule;
1111 u_int64_t creation;
1112 u_int64_t expire;
1113 u_int32_t packets[2][2];
1114 u_int32_t bytes[2][2];
1115 u_int32_t creatorid;
316670eb 1116 u_int16_t tag;
b0d623f7
A		 1117 sa_family_t af;
1118 u_int8_t proto;
1119 u_int8_t direction;
1120 u_int8_t log;
1121 u_int8_t allow_opts;
1122 u_int8_t timeout;
1123 u_int8_t sync_flags;
1124 u_int8_t updates;
b0d623f7 1125 u_int8_t proto_variant;
316670eb
A		 1126 u_int8_t __pad;
1127 u_int32_t flowhash;
b0d623f7
A		 1128} __packed;
1129
1130#define PFSYNC_FLAG_COMPRESS 0x01
1131#define PFSYNC_FLAG_STALE 0x02
1132#define PFSYNC_FLAG_SRCNODE 0x04
1133#define PFSYNC_FLAG_NATSRCNODE 0x08
1134
d1ecb069 1135#ifdef KERNEL
b0d623f7
A		 1136/* for copies to/from userland via pf_ioctl() */
1137#define pf_state_peer_to_pfsync(s, d) do { \
1138 (d)->seqlo = (s)->seqlo; \
1139 (d)->seqhi = (s)->seqhi; \
1140 (d)->seqdiff = (s)->seqdiff; \
1141 (d)->max_win = (s)->max_win; \
1142 (d)->mss = (s)->mss; \
1143 (d)->state = (s)->state; \
1144 (d)->wscale = (s)->wscale; \
1145 if ((s)->scrub) { \
1146 (d)->scrub.pfss_flags = \
1147 (s)->scrub->pfss_flags & PFSS_TIMESTAMP; \
1148 (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \
1149 (d)->scrub.pfss_ts_mod = (s)->scrub->pfss_ts_mod; \
1150 (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \
1151 } \
1152} while (0)
1153
1154#define pf_state_peer_from_pfsync(s, d) do { \
1155 (d)->seqlo = (s)->seqlo; \
1156 (d)->seqhi = (s)->seqhi; \
1157 (d)->seqdiff = (s)->seqdiff; \
1158 (d)->max_win = (s)->max_win; \
1159 (d)->mss = ntohs((s)->mss); \
1160 (d)->state = (s)->state; \
1161 (d)->wscale = (s)->wscale; \
1162 if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \
1163 (d)->scrub != NULL) { \
1164 (d)->scrub->pfss_flags = \
1165 ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \
1166 (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \
1167 (d)->scrub->pfss_ts_mod = (s)->scrub.pfss_ts_mod; \
1168 } \
1169} while (0)
d1ecb069 1170#endif /* KERNEL */
b0d623f7
A		 1171
1172#define pf_state_counter_to_pfsync(s, d) do { \
1173 d[0] = (s>>32)&0xffffffff; \
1174 d[1] = s&0xffffffff; \
1175} while (0)
1176
1177#define pf_state_counter_from_pfsync(s) \
1178 (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1]))
1179
1180
1181
1182TAILQ_HEAD(pf_rulequeue, pf_rule);
1183
1184struct pf_anchor;
1185
1186struct pf_ruleset {
1187 struct {
1188 struct pf_rulequeue queues[2];
1189 struct {
1190 struct pf_rulequeue *ptr;
1191 struct pf_rule **ptr_array;
1192 u_int32_t rcount;
1193 u_int32_t ticket;
1194 int open;
1195 } active, inactive;
1196 } rules[PF_RULESET_MAX];
1197 struct pf_anchor *anchor;
1198 u_int32_t tticket;
1199 int tables;
1200 int topen;
1201};
1202
1203RB_HEAD(pf_anchor_global, pf_anchor);
1204RB_HEAD(pf_anchor_node, pf_anchor);
1205struct pf_anchor {
1206 RB_ENTRY(pf_anchor) entry_global;
1207 RB_ENTRY(pf_anchor) entry_node;
1208 struct pf_anchor *parent;
1209 struct pf_anchor_node children;
1210 char name[PF_ANCHOR_NAME_SIZE];
1211 char path[MAXPATHLEN];
1212 struct pf_ruleset ruleset;
1213 int refcnt; /* anchor rules */
1214 int match;
316670eb 1215 char owner[PF_OWNER_NAME_SIZE];
b0d623f7
A		 1216};
1217#ifdef KERNEL
1218RB_PROTOTYPE_SC(__private_extern__, pf_anchor_global, pf_anchor, entry_global,
1219 pf_anchor_compare);
1220RB_PROTOTYPE_SC(__private_extern__, pf_anchor_node, pf_anchor, entry_node,
1221 pf_anchor_compare);
1222#else /* !KERNEL */
1223RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
1224RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
1225#endif /* !KERNEL */
1226
1227#define PF_RESERVED_ANCHOR "_pf"
1228
1229#define PFR_TFLAG_PERSIST 0x00000001
1230#define PFR_TFLAG_CONST 0x00000002
1231#define PFR_TFLAG_ACTIVE 0x00000004
1232#define PFR_TFLAG_INACTIVE 0x00000008
1233#define PFR_TFLAG_REFERENCED 0x00000010
1234#define PFR_TFLAG_REFDANCHOR 0x00000020
1235#define PFR_TFLAG_USRMASK 0x00000003
1236#define PFR_TFLAG_SETMASK 0x0000003C
1237#define PFR_TFLAG_ALLMASK 0x0000003F
1238
1239struct pfr_table {
1240 char pfrt_anchor[MAXPATHLEN];
1241 char pfrt_name[PF_TABLE_NAME_SIZE];
1242 u_int32_t pfrt_flags;
1243 u_int8_t pfrt_fback;
1244};
1245
1246enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
1247 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
1248 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
1249
1250struct pfr_addr {
1251 union {
1252 struct in_addr _pfra_ip4addr;
1253 struct in6_addr _pfra_ip6addr;
1254 } pfra_u;
1255 u_int8_t pfra_af;
1256 u_int8_t pfra_net;
1257 u_int8_t pfra_not;
1258 u_int8_t pfra_fback;
1259};
1260#define pfra_ip4addr pfra_u._pfra_ip4addr
1261#define pfra_ip6addr pfra_u._pfra_ip6addr
1262
1263enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
1264enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
1265#define PFR_OP_XPASS PFR_OP_ADDR_MAX
1266
1267struct pfr_astats {
1268 struct pfr_addr pfras_a;
d1ecb069
A		 1269#if !defined(__LP64__)
1270 u_int32_t _pad;
1271#endif /* !__LP64__ */
b0d623f7
A		 1272 u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1273 u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1274 u_int64_t pfras_tzero;
1275};
1276
1277enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
1278
1279struct pfr_tstats {
1280 struct pfr_table pfrts_t;
1281 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
1282 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
1283 u_int64_t pfrts_match;
1284 u_int64_t pfrts_nomatch;
1285 u_int64_t pfrts_tzero;
1286 int pfrts_cnt;
1287 int pfrts_refcnt[PFR_REFCNT_MAX];
d1ecb069
A		 1288#if !defined(__LP64__)
1289 u_int32_t _pad;
1290#endif /* !__LP64__ */
b0d623f7
A		 1291};
1292#define pfrts_name pfrts_t.pfrt_name
1293#define pfrts_flags pfrts_t.pfrt_flags
1294
d1ecb069 1295#ifdef KERNEL
b0d623f7
A		 1296SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
1297struct pfr_kentry {
1298 struct radix_node pfrke_node[2];
1299 union sockaddr_union pfrke_sa;
1300 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1301 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1302 SLIST_ENTRY(pfr_kentry) pfrke_workq;
1303 u_int64_t pfrke_tzero;
1304 u_int8_t pfrke_af;
1305 u_int8_t pfrke_net;
1306 u_int8_t pfrke_not;
1307 u_int8_t pfrke_mark;
1308 u_int8_t pfrke_intrpool;
1309};
1310
1311SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
1312RB_HEAD(pfr_ktablehead, pfr_ktable);
1313struct pfr_ktable {
1314 struct pfr_tstats pfrkt_ts;
1315 RB_ENTRY(pfr_ktable) pfrkt_tree;
1316 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
1317 struct radix_node_head *pfrkt_ip4;
1318 struct radix_node_head *pfrkt_ip6;
1319 struct pfr_ktable *pfrkt_shadow;
1320 struct pfr_ktable *pfrkt_root;
1321 struct pf_ruleset *pfrkt_rs;
1322 u_int64_t pfrkt_larg;
1323 u_int32_t pfrkt_nflags;
1324};
1325#define pfrkt_t pfrkt_ts.pfrts_t
1326#define pfrkt_name pfrkt_t.pfrt_name
1327#define pfrkt_anchor pfrkt_t.pfrt_anchor
1328#define pfrkt_ruleset pfrkt_t.pfrt_ruleset
1329#define pfrkt_flags pfrkt_t.pfrt_flags
1330#define pfrkt_cnt pfrkt_ts.pfrts_cnt
1331#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt
1332#define pfrkt_packets pfrkt_ts.pfrts_packets
1333#define pfrkt_bytes pfrkt_ts.pfrts_bytes
1334#define pfrkt_match pfrkt_ts.pfrts_match
1335#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch
1336#define pfrkt_tzero pfrkt_ts.pfrts_tzero
1337
1338RB_HEAD(pf_state_tree_lan_ext, pf_state_key);
b0d623f7
A		 1339RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_lan_ext, pf_state_key,
1340 entry_lan_ext, pf_state_compare_lan_ext);
b0d623f7
A		 1341
1342RB_HEAD(pf_state_tree_ext_gwy, pf_state_key);
b0d623f7
A		 1343RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_ext_gwy, pf_state_key,
1344 entry_ext_gwy, pf_state_compare_ext_gwy);
b0d623f7
A		 1345
1346RB_HEAD(pfi_ifhead, pfi_kif);
1347
1348/* state tables */
39236c6e
A		 1349extern struct pf_state_tree_lan_ext pf_statetbl_lan_ext;
1350extern struct pf_state_tree_ext_gwy pf_statetbl_ext_gwy;
b0d623f7
A		 1351
1352/* keep synced with pfi_kif, used in RB_FIND */
1353struct pfi_kif_cmp {
1354 char pfik_name[IFNAMSIZ];
1355};
1356
1357struct pfi_kif {
1358 char pfik_name[IFNAMSIZ];
1359 RB_ENTRY(pfi_kif) pfik_tree;
1360 u_int64_t pfik_packets[2][2][2];
1361 u_int64_t pfik_bytes[2][2][2];
1362 u_int64_t pfik_tzero;
1363 int pfik_flags;
1364 void *pfik_ah_cookie;
1365 struct ifnet *pfik_ifp;
1366 int pfik_states;
1367 int pfik_rules;
1368 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
1369};
1370
1371enum pfi_kif_refs {
1372 PFI_KIF_REF_NONE,
1373 PFI_KIF_REF_STATE,
1374 PFI_KIF_REF_RULE
1375};
1376
d1ecb069
A		 1377struct pfi_uif {
1378#else /* !KERNEL */
1379struct pfi_kif {
1380#endif /* !KERNEL */
1381 char pfik_name[IFNAMSIZ];
1382 u_int64_t pfik_packets[2][2][2];
1383 u_int64_t pfik_bytes[2][2][2];
1384 u_int64_t pfik_tzero;
1385 int pfik_flags;
1386 int pfik_states;
1387 int pfik_rules;
1388#if !defined(__LP64__)
1389 u_int32_t _pad;
1390#endif /* !__LP64__ */
1391};
1392
b0d623f7
A		 1393#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
1394
1395#ifdef KERNEL
1396struct pf_pdesc {
1397 struct {
1398 int done;
1399 uid_t uid;
1400 gid_t gid;
1401 pid_t pid;
1402 } lookup;
1403 u_int64_t tot_len; /* Make Mickey money */
1404 union {
1405 struct tcphdr *tcp;
1406 struct udphdr *udp;
1407 struct icmp *icmp;
1408#if INET6
1409 struct icmp6_hdr *icmp6;
1410#endif /* INET6 */
316670eb
A		 1411 struct pf_grev1_hdr *grev1;
1412 struct pf_esp_hdr *esp;
b0d623f7
A		 1413 void *any;
1414 } hdr;
1415 struct pf_addr baddr; /* address before translation */
1416 struct pf_addr naddr; /* address after translation */
1417 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1418 struct pf_addr *src;
1419 struct pf_addr *dst;
1420 struct ether_header
1421 *eh;
b0d623f7 1422 struct mbuf *mp;
316670eb 1423 int lmw; /* lazy writable offset */
b0d623f7
A		 1424 struct pf_mtag *pf_mtag;
1425 u_int16_t *ip_sum;
1426 u_int32_t p_len; /* total length of payload */
1427 u_int16_t flags; /* Let SCRUB trigger behavior in */
1428 /* state code. Easier than tags */
1429#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1430#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
39236c6e 1431#define PFDESC_IP_FRAG 0x0004 /* This is a fragment */
b0d623f7
A		 1432 sa_family_t af;
1433 u_int8_t proto;
1434 u_int8_t tos;
b0d623f7 1435 u_int8_t proto_variant;
39236c6e
A		 1436 mbuf_svc_class_t sc; /* mbuf service class (MBUF_SVC) */
1437 u_int32_t pktflags; /* mbuf packet flags (PKTF) */
1438 u_int32_t flowsrc; /* flow source (FLOWSRC) */
316670eb 1439 u_int32_t flowhash; /* flow hash to identify the sender */
b0d623f7
A		 1440};
1441#endif /* KERNEL */
1442
1443/* flags for RDR options */
1444#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1445#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
1446
1447/* Reasons code for passing/dropping a packet */
1448#define PFRES_MATCH 0 /* Explicit match of a rule */
1449#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1450#define PFRES_FRAG 2 /* Dropping following fragment */
1451#define PFRES_SHORT 3 /* Dropping short packet */
1452#define PFRES_NORM 4 /* Dropping by normalizer */
1453#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1454#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1455#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1456#define PFRES_IPOPTIONS 8 /* IP option */
1457#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1458#define PFRES_BADSTATE 10 /* State mismatch */
1459#define PFRES_STATEINS 11 /* State insertion failure */
1460#define PFRES_MAXSTATES 12 /* State limit */
1461#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1462#define PFRES_SYNPROXY 14 /* SYN proxy */
316670eb
A		 1463#define PFRES_DUMMYNET 15 /* Dummynet */
1464#define PFRES_MAX 16 /* total+1 */
b0d623f7
A		 1465
1466#define PFRES_NAMES { \
1467 "match", \
1468 "bad-offset", \
1469 "fragment", \
1470 "short", \
1471 "normalize", \
1472 "memory", \
1473 "bad-timestamp", \
1474 "congestion", \
1475 "ip-option", \
1476 "proto-cksum", \
1477 "state-mismatch", \
1478 "state-insert", \
1479 "state-limit", \
1480 "src-limit", \
1481 "synproxy", \
316670eb 1482 "dummynet", \
b0d623f7
A		 1483 NULL \
1484}
1485
1486/* Counters for other things we want to keep track of */
1487#define LCNT_STATES 0 /* states */
1488#define LCNT_SRCSTATES 1 /* max-src-states */
1489#define LCNT_SRCNODES 2 /* max-src-nodes */
1490#define LCNT_SRCCONN 3 /* max-src-conn */
1491#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1492#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1493#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1494#define LCNT_MAX 7 /* total+1 */
1495
1496#define LCNT_NAMES { \
1497 "max states per rule", \
1498 "max-src-states", \
1499 "max-src-nodes", \
1500 "max-src-conn", \
1501 "max-src-conn-rate", \
1502 "overload table insertion", \
1503 "overload flush states", \
1504 NULL \
1505}
1506
1507/* UDP state enumeration */
1508#define PFUDPS_NO_TRAFFIC 0
1509#define PFUDPS_SINGLE 1
1510#define PFUDPS_MULTIPLE 2
1511
1512#define PFUDPS_NSTATES 3 /* number of state levels */
1513
1514#define PFUDPS_NAMES { \
1515 "NO_TRAFFIC", \
1516 "SINGLE", \
1517 "MULTIPLE", \
1518 NULL \
1519}
1520
b0d623f7
A		 1521/* GREv1 protocol state enumeration */
1522#define PFGRE1S_NO_TRAFFIC 0
1523#define PFGRE1S_INITIATING 1
1524#define PFGRE1S_ESTABLISHED 2
1525
1526#define PFGRE1S_NSTATES 3 /* number of state levels */
1527
1528#define PFGRE1S_NAMES { \
1529 "NO_TRAFFIC", \
1530 "INITIATING", \
1531 "ESTABLISHED", \
1532 NULL \
1533}
1534
1535#define PFESPS_NO_TRAFFIC 0
1536#define PFESPS_INITIATING 1
1537#define PFESPS_ESTABLISHED 2
1538
1539#define PFESPS_NSTATES 3 /* number of state levels */
1540
1541#define PFESPS_NAMES { "NO_TRAFFIC", "INITIATING", "ESTABLISHED", NULL }
b0d623f7
A		 1542
1543/* Other protocol state enumeration */
1544#define PFOTHERS_NO_TRAFFIC 0
1545#define PFOTHERS_SINGLE 1
1546#define PFOTHERS_MULTIPLE 2
1547
1548#define PFOTHERS_NSTATES 3 /* number of state levels */
1549
1550#define PFOTHERS_NAMES { \
1551 "NO_TRAFFIC", \
1552 "SINGLE", \
1553 "MULTIPLE", \
1554 NULL \
1555}
1556
1557#define FCNT_STATE_SEARCH 0
1558#define FCNT_STATE_INSERT 1
1559#define FCNT_STATE_REMOVALS 2
1560#define FCNT_MAX 3
1561
1562#define SCNT_SRC_NODE_SEARCH 0
1563#define SCNT_SRC_NODE_INSERT 1
1564#define SCNT_SRC_NODE_REMOVALS 2
1565#define SCNT_MAX 3
1566
d1ecb069 1567#ifdef KERNEL
b0d623f7
A		 1568#define ACTION_SET(a, x) \
1569 do { \
1570 if ((a) != NULL) \
1571 *(a) = (x); \
1572 } while (0)
1573
1574#define REASON_SET(a, x) \
1575 do { \
1576 if ((a) != NULL) \
1577 *(a) = (x); \
1578 if (x < PFRES_MAX) \
1579 pf_status.counters[x]++; \
1580 } while (0)
d1ecb069 1581#endif /* KERNEL */
b0d623f7
A		 1582
1583struct pf_status {
1584 u_int64_t counters[PFRES_MAX];
1585 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1586 u_int64_t fcounters[FCNT_MAX];
1587 u_int64_t scounters[SCNT_MAX];
1588 u_int64_t pcounters[2][2][3];
1589 u_int64_t bcounters[2][2];
1590 u_int64_t stateid;
1591 u_int32_t running;
1592 u_int32_t states;
1593 u_int32_t src_nodes;
1594 u_int64_t since __attribute__((aligned(8)));
1595 u_int32_t debug;
1596 u_int32_t hostid;
1597 char ifname[IFNAMSIZ];
1598 u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
1599};
1600
1601struct cbq_opts {
316670eb
A		 1602 u_int32_t minburst;
1603 u_int32_t maxburst;
1604 u_int32_t pktsize;
1605 u_int32_t maxpktsize;
1606 u_int32_t ns_per_byte;
1607 u_int32_t maxidle;
1608 int32_t minidle;
1609 u_int32_t offtime;
1610 u_int32_t flags;
b0d623f7
A		 1611};
1612
1613struct priq_opts {
316670eb
A		 1614 u_int32_t flags;
1615};
1616
1617struct qfq_opts {
1618 u_int32_t flags;
1619 u_int32_t lmax;
b0d623f7
A		 1620};
1621
1622struct hfsc_opts {
1623 /* real-time service curve */
316670eb
A		 1624 u_int64_t rtsc_m1; /* slope of the 1st segment in bps */
1625 u_int64_t rtsc_d; /* the x-projection of m1 in msec */
1626 u_int64_t rtsc_m2; /* slope of the 2nd segment in bps */
1627 u_int32_t rtsc_fl; /* service curve flags */
1628#if !defined(__LP64__)
1629 u_int32_t _pad;
1630#endif /* !__LP64__ */
b0d623f7 1631 /* link-sharing service curve */
316670eb
A		 1632 u_int64_t lssc_m1;
1633 u_int64_t lssc_d;
1634 u_int64_t lssc_m2;
1635 u_int32_t lssc_fl;
1636#if !defined(__LP64__)
1637 u_int32_t __pad;
1638#endif /* !__LP64__ */
b0d623f7 1639 /* upper-limit service curve */
316670eb
A		 1640 u_int64_t ulsc_m1;
1641 u_int64_t ulsc_d;
1642 u_int64_t ulsc_m2;
1643 u_int32_t ulsc_fl;
1644 u_int32_t flags; /* scheduler flags */
b0d623f7
A		 1645};
1646
316670eb
A		 1647struct fairq_opts {
1648 u_int32_t nbuckets; /* hash buckets */
1649 u_int32_t flags;
1650 u_int64_t hogs_m1; /* hog detection bandwidth */
1651
1652 /* link-sharing service curve */
1653 u_int64_t lssc_m1;
1654 u_int64_t lssc_d;
1655 u_int64_t lssc_m2;
1656};
1657
1658/* bandwidth types */
1659#define PF_ALTQ_BW_ABSOLUTE 1 /* bw in absolute value (bps) */
1660#define PF_ALTQ_BW_PERCENT 2 /* bandwidth in percentage */
1661
1662/* ALTQ rule flags */
1663#define PF_ALTQF_TBR 0x1 /* enable Token Bucket Regulator */
1664
1665/* queue rule flags */
1666#define PF_ALTQ_QRF_WEIGHT 0x1 /* weight instead of priority */
1667
b0d623f7
A		 1668struct pf_altq {
1669 char ifname[IFNAMSIZ];
1670
316670eb
A		 1671 /* discipline-specific state */
1672 void *altq_disc __attribute__((aligned(8)));
1673 TAILQ_ENTRY(pf_altq) entries __attribute__((aligned(8)));
b0d623f7 1674#if !defined(__LP64__)
316670eb 1675 u_int32_t _pad[2];
b0d623f7
A		 1676#endif /* !__LP64__ */
1677
316670eb
A		 1678 u_int32_t aflags; /* ALTQ rule flags */
1679 u_int32_t bwtype; /* bandwidth type */
1680
b0d623f7 1681 /* scheduler spec */
316670eb
A		 1682 u_int32_t scheduler; /* scheduler type */
1683 u_int32_t tbrsize; /* tokenbucket regulator size */
1684 u_int64_t ifbandwidth; /* interface bandwidth */
b0d623f7
A		 1685
1686 /* queue spec */
1687 char qname[PF_QNAME_SIZE]; /* queue name */
1688 char parent[PF_QNAME_SIZE]; /* parent name */
1689 u_int32_t parent_qid; /* parent queue id */
316670eb
A		 1690 u_int32_t qrflags; /* queue rule flags */
1691 union {
1692 u_int32_t priority; /* priority */
1693 u_int32_t weight; /* weight */
1694 };
1695 u_int32_t qlimit; /* queue size limit */
1696 u_int32_t flags; /* misc flags */
1697#if !defined(__LP64__)
1698 u_int32_t __pad;
1699#endif /* !__LP64__ */
1700 u_int64_t bandwidth; /* queue bandwidth */
b0d623f7
A		 1701 union {
1702 struct cbq_opts cbq_opts;
1703 struct priq_opts priq_opts;
1704 struct hfsc_opts hfsc_opts;
316670eb
A		 1705 struct fairq_opts fairq_opts;
1706 struct qfq_opts qfq_opts;
b0d623f7
A		 1707 } pq_u;
1708
1709 u_int32_t qid; /* return value */
1710};
1711
1712struct pf_tagname {
1713 TAILQ_ENTRY(pf_tagname) entries;
1714 char name[PF_TAG_NAME_SIZE];
1715 u_int16_t tag;
1716 int ref;
1717};
1718
1719#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1720#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1721#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1722#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1723
1724#define PFR_KTABLE_HIWAT 1000 /* Number of tables */
1725#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1726#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */
1727
1728/*
1729 * ioctl parameter structures
1730 */
1731
1732struct pfioc_pooladdr {
1733 u_int32_t action;
1734 u_int32_t ticket;
1735 u_int32_t nr;
1736 u_int32_t r_num;
1737 u_int8_t r_action;
1738 u_int8_t r_last;
1739 u_int8_t af;
1740 char anchor[MAXPATHLEN];
1741 struct pf_pooladdr addr;
1742};
1743
1744struct pfioc_rule {
1745 u_int32_t action;
1746 u_int32_t ticket;
1747 u_int32_t pool_ticket;
1748 u_int32_t nr;
1749 char anchor[MAXPATHLEN];
1750 char anchor_call[MAXPATHLEN];
1751 struct pf_rule rule;
1752};
1753
1754struct pfioc_natlook {
1755 struct pf_addr saddr;
1756 struct pf_addr daddr;
1757 struct pf_addr rsaddr;
1758 struct pf_addr rdaddr;
b0d623f7
A		 1759 union pf_state_xport sxport;
1760 union pf_state_xport dxport;
1761 union pf_state_xport rsxport;
1762 union pf_state_xport rdxport;
1763 sa_family_t af;
1764 u_int8_t proto;
1765 u_int8_t proto_variant;
1766 u_int8_t direction;
b0d623f7
A		 1767};
1768
1769struct pfioc_state {
1770 struct pfsync_state state;
1771};
1772
1773struct pfioc_src_node_kill {
1774 /* XXX returns the number of src nodes killed in psnk_af */
1775 sa_family_t psnk_af;
1776 struct pf_rule_addr psnk_src;
1777 struct pf_rule_addr psnk_dst;
1778};
1779
b0d623f7
A		 1780struct pfioc_state_addr_kill {
1781 struct pf_addr_wrap addr;
1782 u_int8_t reserved_[3];
1783 u_int8_t neg;
1784 union pf_rule_xport xport;
1785};
b0d623f7
A		 1786
1787struct pfioc_state_kill {
1788 /* XXX returns the number of states killed in psk_af */
1789 sa_family_t psk_af;
b0d623f7
A		 1790 u_int8_t psk_proto;
1791 u_int8_t psk_proto_variant;
1792 u_int8_t _pad;
1793 struct pfioc_state_addr_kill psk_src;
1794 struct pfioc_state_addr_kill psk_dst;
b0d623f7 1795 char psk_ifname[IFNAMSIZ];
fe8ab488 1796 char psk_ownername[PF_OWNER_NAME_SIZE];
b0d623f7
A		 1797};
1798
1799struct pfioc_states {
1800 int ps_len;
1801 union {
1802 caddr_t psu_buf;
1803 struct pfsync_state *psu_states;
1804 } ps_u __attribute__((aligned(8)));
1805#define ps_buf ps_u.psu_buf
1806#define ps_states ps_u.psu_states
1807};
1808
d1ecb069
A		 1809#ifdef KERNEL
1810struct pfioc_states_32 {
1811 int ps_len;
1812 union {
1813 user32_addr_t psu_buf;
1814 user32_addr_t psu_states;
1815 } ps_u __attribute__((aligned(8)));
1816};
1817
1818struct pfioc_states_64 {
1819 int ps_len;
1820 union {
1821 user64_addr_t psu_buf;
1822 user64_addr_t psu_states;
1823 } ps_u __attribute__((aligned(8)));
1824};
1825#endif /* KERNEL */
1826
6d2010ae
A		 1827#define PFTOK_PROCNAME_LEN 64
1828#pragma pack(1)
1829struct pfioc_token {
1830 u_int64_t token_value;
1831 u_int64_t timestamp;
1832 pid_t pid;
1833 char proc_name[PFTOK_PROCNAME_LEN];
1834};
1835#pragma pack()
1836
1837struct pfioc_kernel_token {
1838 SLIST_ENTRY(pfioc_kernel_token) next;
1839 struct pfioc_token token;
1840};
1841
1842struct pfioc_remove_token {
1843 u_int64_t token_value;
1844 u_int64_t refcount;
1845};
1846
1847struct pfioc_tokens {
1848 int size;
1849 union {
1850 caddr_t pgtu_buf;
1851 struct pfioc_token *pgtu_tokens;
1852 } pgt_u __attribute__((aligned(8)));
1853#define pgt_buf pgt_u.pgtu_buf
1854#define pgt_tokens pgt_u.pgtu_tokens
1855};
1856
1857#ifdef KERNEL
1858struct pfioc_tokens_32 {
1859 int size;
1860 union {
1861 user32_addr_t pgtu_buf;
1862 user32_addr_t pgtu_tokens;
1863 } pgt_u __attribute__((aligned(8)));
1864};
1865
1866struct pfioc_tokens_64 {
1867 int size;
1868 union {
1869 user64_addr_t pgtu_buf;
1870 user64_addr_t pgtu_tokens;
1871 } pgt_u __attribute__((aligned(8)));
1872};
1873#endif /* KERNEL */
1874
1875
b0d623f7
A		 1876struct pfioc_src_nodes {
1877 int psn_len;
1878 union {
d1ecb069 1879 caddr_t psu_buf;
b0d623f7
A		 1880 struct pf_src_node *psu_src_nodes;
1881 } psn_u __attribute__((aligned(8)));
1882#define psn_buf psn_u.psu_buf
1883#define psn_src_nodes psn_u.psu_src_nodes
1884};
1885
d1ecb069
A		 1886#ifdef KERNEL
1887struct pfioc_src_nodes_32 {
1888 int psn_len;
1889 union {
1890 user32_addr_t psu_buf;
1891 user32_addr_t psu_src_nodes;
1892 } psn_u __attribute__((aligned(8)));
1893};
1894
1895struct pfioc_src_nodes_64 {
1896 int psn_len;
1897 union {
1898 user64_addr_t psu_buf;
1899 user64_addr_t psu_src_nodes;
1900 } psn_u __attribute__((aligned(8)));
1901};
1902#endif /* KERNEL */
1903
b0d623f7
A		 1904struct pfioc_if {
1905 char ifname[IFNAMSIZ];
1906};
1907
1908struct pfioc_tm {
1909 int timeout;
1910 int seconds;
1911};
1912
1913struct pfioc_limit {
1914 int index;
1915 unsigned limit;
1916};
1917
1918struct pfioc_altq {
1919 u_int32_t action;
1920 u_int32_t ticket;
1921 u_int32_t nr;
1922 struct pf_altq altq __attribute__((aligned(8)));
1923};
1924
1925struct pfioc_qstats {
1926 u_int32_t ticket;
1927 u_int32_t nr;
1928 void *buf __attribute__((aligned(8)));
1929 int nbytes __attribute__((aligned(8)));
1930 u_int8_t scheduler;
1931};
1932
1933struct pfioc_ruleset {
1934 u_int32_t nr;
1935 char path[MAXPATHLEN];
1936 char name[PF_ANCHOR_NAME_SIZE];
1937};
1938
1939#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1940#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1941struct pfioc_trans {
1942 int size; /* number of elements */
1943 int esize; /* size of each element in bytes */
1944 struct pfioc_trans_e {
1945 int rs_num;
1946 char anchor[MAXPATHLEN];
1947 u_int32_t ticket;
d1ecb069
A		 1948 } *array __attribute__((aligned(8)));
1949};
1950
1951#ifdef KERNEL
1952struct pfioc_trans_32 {
1953 int size; /* number of elements */
1954 int esize; /* size of each element in bytes */
1955 user32_addr_t array __attribute__((aligned(8)));
1956};
1957
1958struct pfioc_trans_64 {
1959 int size; /* number of elements */
1960 int esize; /* size of each element in bytes */
1961 user64_addr_t array __attribute__((aligned(8)));
b0d623f7 1962};
d1ecb069 1963#endif /* KERNEL */
b0d623f7 1964
6d2010ae 1965
b0d623f7
A		 1966#define PFR_FLAG_ATOMIC 0x00000001
1967#define PFR_FLAG_DUMMY 0x00000002
1968#define PFR_FLAG_FEEDBACK 0x00000004
1969#define PFR_FLAG_CLSTATS 0x00000008
1970#define PFR_FLAG_ADDRSTOO 0x00000010
1971#define PFR_FLAG_REPLACE 0x00000020
1972#define PFR_FLAG_ALLRSETS 0x00000040
1973#define PFR_FLAG_ALLMASK 0x0000007F
1974#ifdef KERNEL
1975#define PFR_FLAG_USERIOCTL 0x10000000
d1ecb069 1976#endif /* KERNEL */
b0d623f7
A		 1977
1978struct pfioc_table {
1979 struct pfr_table pfrio_table;
1980 void *pfrio_buffer __attribute__((aligned(8)));
1981 int pfrio_esize __attribute__((aligned(8)));
1982 int pfrio_size;
1983 int pfrio_size2;
1984 int pfrio_nadd;
1985 int pfrio_ndel;
1986 int pfrio_nchange;
1987 int pfrio_flags;
1988 u_int32_t pfrio_ticket;
1989};
1990#define pfrio_exists pfrio_nadd
1991#define pfrio_nzero pfrio_nadd
1992#define pfrio_nmatch pfrio_nadd
1993#define pfrio_naddr pfrio_size2
1994#define pfrio_setflag pfrio_size2
1995#define pfrio_clrflag pfrio_nadd
1996
d1ecb069
A		 1997#ifdef KERNEL
1998struct pfioc_table_32 {
1999 struct pfr_table pfrio_table;
2000 user32_addr_t pfrio_buffer __attribute__((aligned(8)));
2001 int pfrio_esize __attribute__((aligned(8)));
2002 int pfrio_size;
2003 int pfrio_size2;
2004 int pfrio_nadd;
2005 int pfrio_ndel;
2006 int pfrio_nchange;
2007 int pfrio_flags;
2008 u_int32_t pfrio_ticket;
2009};
2010
2011struct pfioc_table_64 {
2012 struct pfr_table pfrio_table;
2013 user64_addr_t pfrio_buffer __attribute__((aligned(8)));
2014 int pfrio_esize __attribute__((aligned(8)));
2015 int pfrio_size;
2016 int pfrio_size2;
2017 int pfrio_nadd;
2018 int pfrio_ndel;
2019 int pfrio_nchange;
2020 int pfrio_flags;
2021 u_int32_t pfrio_ticket;
2022};
2023#endif /* KERNEL */
2024
b0d623f7
A		 2025struct pfioc_iface {
2026 char pfiio_name[IFNAMSIZ];
2027 void *pfiio_buffer __attribute__((aligned(8)));
2028 int pfiio_esize __attribute__((aligned(8)));
2029 int pfiio_size;
2030 int pfiio_nzero;
2031 int pfiio_flags;
2032};
2033
d1ecb069
A		 2034#ifdef KERNEL
2035struct pfioc_iface_32 {
2036 char pfiio_name[IFNAMSIZ];
2037 user32_addr_t pfiio_buffer __attribute__((aligned(8)));
2038 int pfiio_esize __attribute__((aligned(8)));
2039 int pfiio_size;
2040 int pfiio_nzero;
2041 int pfiio_flags;
2042};
2043
2044struct pfioc_iface_64 {
2045 char pfiio_name[IFNAMSIZ];
2046 user64_addr_t pfiio_buffer __attribute__((aligned(8)));
2047 int pfiio_esize __attribute__((aligned(8)));
2048 int pfiio_size;
2049 int pfiio_nzero;
2050 int pfiio_flags;
2051};
2052#endif /* KERNEL */
b0d623f7 2053
316670eb
A		 2054struct pf_ifspeed {
2055 char ifname[IFNAMSIZ];
2056 u_int64_t baudrate;
2057};
2058
b0d623f7
A		 2059/*
2060 * ioctl operations
2061 */
2062
2063#define DIOCSTART _IO ('D', 1)
2064#define DIOCSTOP _IO ('D', 2)
2065#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
6d2010ae 2066#define DIOCGETSTARTERS _IOWR('D', 5, struct pfioc_tokens)
b0d623f7
A		 2067#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
2068#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
6d2010ae
A		 2069#define DIOCSTARTREF _IOR ('D', 8, u_int64_t)
2070#define DIOCSTOPREF _IOWR('D', 9, struct pfioc_remove_token)
2071/* XXX cut 10 - 17 */
b0d623f7
A		 2072#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
2073#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
6d2010ae 2074#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
b0d623f7
A		 2075#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
2076#define DIOCCLRSTATUS _IO ('D', 22)
2077#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
2078#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
2079#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
2080#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
316670eb
A		 2081#define DIOCINSERTRULE _IOWR('D', 27, struct pfioc_rule)
2082#define DIOCDELETERULE _IOWR('D', 28, struct pfioc_rule)
b0d623f7
A		 2083#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
2084#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
2085#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
2086#define DIOCCLRRULECTRS _IO ('D', 38)
2087#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
2088#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
2089#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
2090#define DIOCSTARTALTQ _IO ('D', 42)
2091#define DIOCSTOPALTQ _IO ('D', 43)
2092#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
2093#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
2094#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
2095#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
2096#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
2097#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
2098#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
2099#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
2100#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
2101#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
2102/* XXX cut 55 - 57 */
2103#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
2104#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
2105#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
2106#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
2107#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
2108#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
2109#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
6d2010ae 2110#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
b0d623f7
A		 2111#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
2112#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
2113#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
2114#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
2115#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
2116#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
6d2010ae 2117#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
b0d623f7
A		 2118#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
2119#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
2120#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
2121#define DIOCOSFPFLUSH _IO('D', 78)
2122#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
2123#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
6d2010ae
A		 2124#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
2125#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
2126#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
b0d623f7
A		 2127#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
2128#define DIOCCLRSRCNODES _IO('D', 85)
2129#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
2130#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
2131#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
2132#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
316670eb
A		 2133#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
2134#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed)
b0d623f7
A		 2135
2136#ifdef KERNEL
2137RB_HEAD(pf_src_tree, pf_src_node);
2138RB_PROTOTYPE_SC(__private_extern__, pf_src_tree, pf_src_node, entry,
2139 pf_src_compare);
39236c6e 2140extern struct pf_src_tree tree_src_tracking;
b0d623f7
A		 2141
2142RB_HEAD(pf_state_tree_id, pf_state);
2143RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_id, pf_state,
2144 entry_id, pf_state_compare_id);
39236c6e
A		 2145extern struct pf_state_tree_id tree_id;
2146extern struct pf_state_queue state_list;
b0d623f7
A		 2147
2148TAILQ_HEAD(pf_poolqueue, pf_pool);
39236c6e
A		 2149extern struct pf_poolqueue pf_pools[2];
2150extern struct pf_palist pf_pabuf;
2151extern u_int32_t ticket_pabuf;
316670eb 2152#if PF_ALTQ
b0d623f7 2153TAILQ_HEAD(pf_altqqueue, pf_altq);
39236c6e
A		 2154extern struct pf_altqqueue pf_altqs[2];
2155extern u_int32_t ticket_altqs_active;
2156extern u_int32_t ticket_altqs_inactive;
2157extern int altqs_inactive_open;
2158extern struct pf_altqqueue *pf_altqs_active;
2159extern struct pf_altqqueue *pf_altqs_inactive;
316670eb 2160#endif /* PF_ALTQ */
39236c6e
A		 2161extern struct pf_poolqueue *pf_pools_active;
2162extern struct pf_poolqueue *pf_pools_inactive;
b0d623f7
A		 2163
2164__private_extern__ int pf_tbladdr_setup(struct pf_ruleset *,
2165 struct pf_addr_wrap *);
2166__private_extern__ void pf_tbladdr_remove(struct pf_addr_wrap *);
2167__private_extern__ void pf_tbladdr_copyout(struct pf_addr_wrap *);
2168__private_extern__ void pf_calc_skip_steps(struct pf_rulequeue *);
316670eb 2169__private_extern__ u_int32_t pf_calc_state_key_flowhash(struct pf_state_key *);
b0d623f7 2170
39236c6e
A		 2171extern struct pool pf_src_tree_pl, pf_rule_pl;
2172extern struct pool pf_state_pl, pf_state_key_pl, pf_pooladdr_pl;
2173extern struct pool pf_state_scrub_pl;
316670eb 2174#if PF_ALTQ
39236c6e 2175extern struct pool pf_altq_pl;
316670eb 2176#endif /* PF_ALTQ */
39236c6e 2177extern struct pool pf_app_state_pl;
b0d623f7 2178
39236c6e 2179extern struct thread *pf_purge_thread;
b0d623f7
A		 2180
2181__private_extern__ void pfinit(void);
2182__private_extern__ void pf_purge_thread_fn(void *, wait_result_t);
2183__private_extern__ void pf_purge_expired_src_nodes(void);
2184__private_extern__ void pf_purge_expired_states(u_int32_t);
2185__private_extern__ void pf_unlink_state(struct pf_state *);
2186__private_extern__ void pf_free_state(struct pf_state *);
2187__private_extern__ int pf_insert_state(struct pfi_kif *, struct pf_state *);
2188__private_extern__ int pf_insert_src_node(struct pf_src_node **,
2189 struct pf_rule *, struct pf_addr *, sa_family_t);
2190__private_extern__ void pf_src_tree_remove_state(struct pf_state *);
2191__private_extern__ struct pf_state *pf_find_state_byid(struct pf_state_cmp *);
2192__private_extern__ struct pf_state *pf_find_state_all(struct pf_state_key_cmp *,
2193 u_int, int *);
2194__private_extern__ void pf_print_state(struct pf_state *);
2195__private_extern__ void pf_print_flags(u_int8_t);
2196__private_extern__ u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
2197 u_int8_t);
2198
39236c6e
A		 2199extern struct ifnet *sync_ifp;
2200extern struct pf_rule pf_default_rule;
b0d623f7
A		 2201__private_extern__ void pf_addrcpy(struct pf_addr *, struct pf_addr *,
2202 u_int8_t);
2203__private_extern__ void pf_rm_rule(struct pf_rulequeue *, struct pf_rule *);
2204
316670eb 2205struct ip_fw_args;
b0d623f7
A		 2206#if INET
2207__private_extern__ int pf_test(int, struct ifnet *, struct mbuf **,
316670eb 2208 struct ether_header *, struct ip_fw_args *);
b0d623f7
A		 2209#endif /* INET */
2210
2211#if INET6
2212__private_extern__ int pf_test6(int, struct ifnet *, struct mbuf **,
316670eb 2213 struct ether_header *, struct ip_fw_args *);
b0d623f7
A		 2214__private_extern__ void pf_poolmask(struct pf_addr *, struct pf_addr *,
2215 struct pf_addr *, struct pf_addr *, u_int8_t);
2216__private_extern__ void pf_addr_inc(struct pf_addr *, sa_family_t);
2217#endif /* INET6 */
2218
b0d623f7
A		 2219__private_extern__ struct mbuf *pf_lazy_makewritable(struct pf_pdesc *,
2220 struct mbuf *, int);
b0d623f7
A		 2221__private_extern__ void *pf_pull_hdr(struct mbuf *, int, void *, int,
2222 u_short *, u_short *, sa_family_t);
2223__private_extern__ void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
2224__private_extern__ int pflog_packet(struct pfi_kif *, struct mbuf *,
2225 sa_family_t, u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *,
2226 struct pf_ruleset *, struct pf_pdesc *);
2227__private_extern__ int pf_match_addr(u_int8_t, struct pf_addr *,
2228 struct pf_addr *, struct pf_addr *, sa_family_t);
2229__private_extern__ int pf_match_addr_range(struct pf_addr *, struct pf_addr *,
2230 struct pf_addr *, sa_family_t);
2231__private_extern__ int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
2232__private_extern__ int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
b0d623f7
A		 2233__private_extern__ int pf_match_xport(u_int8_t, u_int8_t, union pf_rule_xport *,
2234 union pf_state_xport *);
b0d623f7
A		 2235__private_extern__ int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
2236__private_extern__ int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
2237
2238__private_extern__ void pf_normalize_init(void);
2239__private_extern__ int pf_normalize_isempty(void);
2240__private_extern__ int pf_normalize_ip(struct mbuf **, int, struct pfi_kif *,
2241 u_short *, struct pf_pdesc *);
2242__private_extern__ int pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *,
2243 u_short *, struct pf_pdesc *);
2244__private_extern__ int pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *,
2245 int, int, void *, struct pf_pdesc *);
2246__private_extern__ void pf_normalize_tcp_cleanup(struct pf_state *);
2247__private_extern__ int pf_normalize_tcp_init(struct mbuf *, int,
2248 struct pf_pdesc *, struct tcphdr *, struct pf_state_peer *,
2249 struct pf_state_peer *);
2250__private_extern__ int pf_normalize_tcp_stateful(struct mbuf *, int,
2251 struct pf_pdesc *, u_short *, struct tcphdr *, struct pf_state *,
2252 struct pf_state_peer *, struct pf_state_peer *, int *);
2253__private_extern__ u_int64_t pf_state_expires(const struct pf_state *);
2254__private_extern__ void pf_purge_expired_fragments(void);
2255__private_extern__ int pf_routable(struct pf_addr *addr, sa_family_t af,
2256 struct pfi_kif *);
2257__private_extern__ int pf_rtlabel_match(struct pf_addr *, sa_family_t,
2258 struct pf_addr_wrap *);
2259__private_extern__ int pf_socket_lookup(int, struct pf_pdesc *);
316670eb
A		 2260__private_extern__ struct pf_state_key *pf_alloc_state_key(struct pf_state *,
2261 struct pf_state_key *);
b0d623f7
A		 2262__private_extern__ void pfr_initialize(void);
2263__private_extern__ int pfr_match_addr(struct pfr_ktable *, struct pf_addr *,
2264 sa_family_t);
2265__private_extern__ void pfr_update_stats(struct pfr_ktable *, struct pf_addr *,
2266 sa_family_t, u_int64_t, int, int, int);
2267__private_extern__ int pfr_pool_get(struct pfr_ktable *, int *,
2268 struct pf_addr *, struct pf_addr **, struct pf_addr **, sa_family_t);
2269__private_extern__ void pfr_dynaddr_update(struct pfr_ktable *,
2270 struct pfi_dynaddr *);
6d2010ae 2271__private_extern__ void pfr_table_copyin_cleanup(struct pfr_table *);
b0d623f7
A		 2272__private_extern__ struct pfr_ktable *pfr_attach_table(struct pf_ruleset *,
2273 char *);
2274__private_extern__ void pfr_detach_table(struct pfr_ktable *);
2275__private_extern__ int pfr_clr_tables(struct pfr_table *, int *, int);
d1ecb069
A		 2276__private_extern__ int pfr_add_tables(user_addr_t, int, int *, int);
2277__private_extern__ int pfr_del_tables(user_addr_t, int, int *, int);
2278__private_extern__ int pfr_get_tables(struct pfr_table *, user_addr_t,
b0d623f7 2279 int *, int);
d1ecb069 2280__private_extern__ int pfr_get_tstats(struct pfr_table *, user_addr_t,
b0d623f7 2281 int *, int);
d1ecb069
A		 2282__private_extern__ int pfr_clr_tstats(user_addr_t, int, int *, int);
2283__private_extern__ int pfr_set_tflags(user_addr_t, int, int, int, int *,
b0d623f7
A		 2284 int *, int);
2285__private_extern__ int pfr_clr_addrs(struct pfr_table *, int *, int);
2286__private_extern__ int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *,
2287 u_int64_t);
d1ecb069 2288__private_extern__ int pfr_add_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2289 int, int *, int);
d1ecb069 2290__private_extern__ int pfr_del_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2291 int, int *, int);
d1ecb069 2292__private_extern__ int pfr_set_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2293 int, int *, int *, int *, int *, int, u_int32_t);
d1ecb069 2294__private_extern__ int pfr_get_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2295 int *, int);
d1ecb069 2296__private_extern__ int pfr_get_astats(struct pfr_table *, user_addr_t,
b0d623f7 2297 int *, int);
d1ecb069 2298__private_extern__ int pfr_clr_astats(struct pfr_table *, user_addr_t,
b0d623f7 2299 int, int *, int);
d1ecb069 2300__private_extern__ int pfr_tst_addrs(struct pfr_table *, user_addr_t,
b0d623f7
A		 2301 int, int *, int);
2302__private_extern__ int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *,
2303 int);
2304__private_extern__ int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *,
2305 int);
2306__private_extern__ int pfr_ina_commit(struct pfr_table *, u_int32_t, int *,
2307 int *, int);
d1ecb069 2308__private_extern__ int pfr_ina_define(struct pfr_table *, user_addr_t,
b0d623f7
A		 2309 int, int *, int *, u_int32_t, int);
2310
39236c6e 2311extern struct pfi_kif *pfi_all;
b0d623f7
A		 2312
2313__private_extern__ void pfi_initialize(void);
2314__private_extern__ struct pfi_kif *pfi_kif_get(const char *);
2315__private_extern__ void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs);
2316__private_extern__ void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs);
2317__private_extern__ int pfi_kif_match(struct pfi_kif *, struct pfi_kif *);
2318__private_extern__ void pfi_attach_ifnet(struct ifnet *);
2319__private_extern__ void pfi_detach_ifnet(struct ifnet *);
2320__private_extern__ int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
2321 sa_family_t);
2322__private_extern__ int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
2323__private_extern__ void pfi_dynaddr_remove(struct pf_addr_wrap *);
2324__private_extern__ void pfi_dynaddr_copyout(struct pf_addr_wrap *);
2325__private_extern__ void pfi_update_status(const char *, struct pf_status *);
d1ecb069 2326__private_extern__ int pfi_get_ifaces(const char *, user_addr_t, int *);
b0d623f7
A		 2327__private_extern__ int pfi_set_flags(const char *, int);
2328__private_extern__ int pfi_clear_flags(const char *, int);
2329
2330__private_extern__ u_int16_t pf_tagname2tag(char *);
2331__private_extern__ void pf_tag2tagname(u_int16_t, char *);
2332__private_extern__ void pf_tag_ref(u_int16_t);
2333__private_extern__ void pf_tag_unref(u_int16_t);
2334__private_extern__ int pf_tag_packet(struct mbuf *, struct pf_mtag *,
316670eb 2335 int, unsigned int, struct pf_pdesc *);
13f56ec4
A		 2336__private_extern__ void pf_step_into_anchor(int *, struct pf_ruleset **, int,
2337 struct pf_rule **, struct pf_rule **, int *);
2338__private_extern__ int pf_step_out_of_anchor(int *, struct pf_ruleset **, int,
2339 struct pf_rule **, struct pf_rule **, int *);
b0d623f7
A		 2340__private_extern__ u_int32_t pf_qname2qid(char *);
2341__private_extern__ void pf_qid2qname(u_int32_t, char *);
2342__private_extern__ void pf_qid_unref(u_int32_t);
2343
39236c6e
A		 2344extern struct pf_status pf_status;
2345extern struct pool pf_frent_pl, pf_frag_pl;
b0d623f7
A		 2346
2347struct pf_pool_limit {
2348 void *pp;
2349 unsigned limit;
2350};
39236c6e 2351extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
b0d623f7
A		 2352
2353__private_extern__ int pf_af_hook(struct ifnet *, struct mbuf **,
316670eb 2354 struct mbuf **, unsigned int, int, struct ip_fw_args *);
39236c6e 2355__private_extern__ int pf_ifaddr_hook(struct ifnet *);
b0d623f7
A		 2356__private_extern__ void pf_ifnet_hook(struct ifnet *, int);
2357
2358/*
2359 * The following are defined with "private extern" storage class for
2360 * kernel, and "extern" for user-space.
2361 */
39236c6e
A		 2362extern struct pf_anchor_global pf_anchors;
2363extern struct pf_anchor pf_main_anchor;
b0d623f7
A		 2364#define pf_main_ruleset pf_main_anchor.ruleset
2365
39236c6e 2366extern int pf_is_enabled;
6d2010ae 2367#define PF_IS_ENABLED (pf_is_enabled != 0)
39236c6e 2368extern u_int32_t pf_hash_seed;
316670eb
A		 2369
2370#if PF_ALTQ
39236c6e 2371extern u_int32_t altq_allowed;
316670eb 2372#endif /* PF_ALTQ */
6d2010ae 2373
b0d623f7
A		 2374/* these ruleset functions can be linked into userland programs (pfctl) */
2375__private_extern__ int pf_get_ruleset_number(u_int8_t);
2376__private_extern__ void pf_init_ruleset(struct pf_ruleset *);
2377__private_extern__ int pf_anchor_setup(struct pf_rule *,
2378 const struct pf_ruleset *, const char *);
2379__private_extern__ int pf_anchor_copyout(const struct pf_ruleset *,
2380 const struct pf_rule *, struct pfioc_rule *);
2381__private_extern__ void pf_anchor_remove(struct pf_rule *);
2382__private_extern__ void pf_remove_if_empty_ruleset(struct pf_ruleset *);
2383__private_extern__ struct pf_anchor *pf_find_anchor(const char *);
2384__private_extern__ struct pf_ruleset *pf_find_ruleset(const char *);
316670eb
A		 2385__private_extern__ struct pf_ruleset *pf_find_ruleset_with_owner(const char *,
2386 const char *, int, int *);
b0d623f7
A		 2387__private_extern__ struct pf_ruleset *pf_find_or_create_ruleset(const char *);
2388__private_extern__ void pf_rs_initialize(void);
2389
2390__private_extern__ int pf_osfp_add(struct pf_osfp_ioctl *);
2391__private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint(struct pf_pdesc *,
2392 struct mbuf *, int, const struct tcphdr *);
2393__private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint_hdr(
2394 const struct ip *, const struct ip6_hdr *, const struct tcphdr *);
2395__private_extern__ void pf_osfp_flush(void);
2396__private_extern__ int pf_osfp_get(struct pf_osfp_ioctl *);
2397__private_extern__ void pf_osfp_initialize(void);
2398__private_extern__ int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
2399__private_extern__ struct pf_os_fingerprint *pf_osfp_validate(void);
316670eb
A		 2400__private_extern__ struct pf_mtag *pf_find_mtag(struct mbuf *);
2401__private_extern__ struct pf_mtag *pf_get_mtag(struct mbuf *);
b0d623f7
A		 2402#else /* !KERNEL */
2403extern struct pf_anchor_global pf_anchors;
2404extern struct pf_anchor pf_main_anchor;
2405#define pf_main_ruleset pf_main_anchor.ruleset
2406
2407/* these ruleset functions can be linked into userland programs (pfctl) */
2408extern int pf_get_ruleset_number(u_int8_t);
2409extern void pf_init_ruleset(struct pf_ruleset *);
2410extern int pf_anchor_setup(struct pf_rule *, const struct pf_ruleset *,
2411 const char *);
2412extern int pf_anchor_copyout(const struct pf_ruleset *, const struct pf_rule *,
2413 struct pfioc_rule *);
2414extern void pf_anchor_remove(struct pf_rule *);
2415extern void pf_remove_if_empty_ruleset(struct pf_ruleset *);
2416extern struct pf_anchor *pf_find_anchor(const char *);
2417extern struct pf_ruleset *pf_find_ruleset(const char *);
316670eb
A		 2418extern struct pf_ruleset *pf_find_ruleset_with_owner(const char *,
2419 const char *, int, int *);
b0d623f7
A		 2420extern struct pf_ruleset *pf_find_or_create_ruleset(const char *);
2421extern void pf_rs_initialize(void);
2422#endif /* !KERNEL */
2423
2424#ifdef __cplusplus
2425}
2426#endif
2427#endif /* PF || !KERNEL */
2428#endif /* PRIVATE */
2429#endif /* _NET_PFVAR_H_ */
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