2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2001 Daniel Hartmeier
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 * $OpenBSD: pfvar.h,v 1.282 2009/01/29 15:12:28 pyr Exp $
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/counter.h>
41 #include <sys/cpuset.h>
42 #include <sys/malloc.h>
43 #include <sys/refcount.h>
44 #include <sys/sysctl.h>
46 #include <sys/rmlock.h>
50 #include <net/radix.h>
51 #include <netinet/in.h>
53 #include <netpfil/pf/pf.h>
54 #include <netpfil/pf/pf_altq.h>
55 #include <netpfil/pf/pf_mtag.h>
60 MALLOC_DECLARE(M_PFHASH);
63 TAILQ_ENTRY(pfi_dynaddr) entry;
64 struct pf_addr pfid_addr4;
65 struct pf_addr pfid_mask4;
66 struct pf_addr pfid_addr6;
67 struct pf_addr pfid_mask6;
68 struct pfr_ktable *pfid_kt;
69 struct pfi_kkif *pfid_kif;
70 int pfid_net; /* mask or 128 */
71 int pfid_acnt4; /* address count IPv4 */
72 int pfid_acnt6; /* address count IPv6 */
73 sa_family_t pfid_af; /* rule af */
74 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
78 * Address manipulation macros
80 #define HTONL(x) (x) = htonl((__uint32_t)(x))
81 #define HTONS(x) (x) = htons((__uint16_t)(x))
82 #define NTOHL(x) (x) = ntohl((__uint32_t)(x))
83 #define NTOHS(x) (x) = ntohs((__uint16_t)(x))
87 #define PF_HASHROW_ASSERT(h) mtx_assert(&(h)->lock, MA_OWNED)
88 #define PF_HASHROW_LOCK(h) mtx_lock(&(h)->lock)
89 #define PF_HASHROW_UNLOCK(h) mtx_unlock(&(h)->lock)
91 #define PF_STATE_LOCK(s) \
93 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \
94 PF_HASHROW_LOCK(_ih); \
97 #define PF_STATE_UNLOCK(s) \
99 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH((s))]; \
100 PF_HASHROW_UNLOCK(_ih); \
104 #define PF_STATE_LOCK_ASSERT(s) \
106 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \
107 PF_HASHROW_ASSERT(_ih); \
109 #else /* !INVARIANTS */
110 #define PF_STATE_LOCK_ASSERT(s) do {} while (0)
111 #endif /* INVARIANTS */
113 extern struct mtx pf_unlnkdrules_mtx;
114 #define PF_UNLNKDRULES_LOCK() mtx_lock(&pf_unlnkdrules_mtx)
115 #define PF_UNLNKDRULES_UNLOCK() mtx_unlock(&pf_unlnkdrules_mtx)
117 extern struct rmlock pf_rules_lock;
118 #define PF_RULES_RLOCK_TRACKER struct rm_priotracker _pf_rules_tracker
119 #define PF_RULES_RLOCK() rm_rlock(&pf_rules_lock, &_pf_rules_tracker)
120 #define PF_RULES_RUNLOCK() rm_runlock(&pf_rules_lock, &_pf_rules_tracker)
121 #define PF_RULES_WLOCK() rm_wlock(&pf_rules_lock)
122 #define PF_RULES_WUNLOCK() rm_wunlock(&pf_rules_lock)
123 #define PF_RULES_ASSERT() rm_assert(&pf_rules_lock, RA_LOCKED)
124 #define PF_RULES_RASSERT() rm_assert(&pf_rules_lock, RA_RLOCKED)
125 #define PF_RULES_WASSERT() rm_assert(&pf_rules_lock, RA_WLOCKED)
127 extern struct sx pf_end_lock;
130 #define PFLOG_MODVER 1
131 #define PFSYNC_MODVER 1
133 #define PFLOG_MINVER 1
134 #define PFLOG_PREFVER PFLOG_MODVER
135 #define PFLOG_MAXVER 1
136 #define PFSYNC_MINVER 1
137 #define PFSYNC_PREFVER PFSYNC_MODVER
138 #define PFSYNC_MAXVER 1
148 #define PF_INET6_ONLY
154 #define PF_INET_INET6
160 #define PF_INET_INET6
164 /* Both IPv4 and IPv6 */
167 #define PF_AEQ(a, b, c) \
168 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
169 (c == AF_INET6 && (a)->addr32[3] == (b)->addr32[3] && \
170 (a)->addr32[2] == (b)->addr32[2] && \
171 (a)->addr32[1] == (b)->addr32[1] && \
172 (a)->addr32[0] == (b)->addr32[0])) \
174 #define PF_ANEQ(a, b, c) \
175 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
176 (c == AF_INET6 && ((a)->addr32[0] != (b)->addr32[0] || \
177 (a)->addr32[1] != (b)->addr32[1] || \
178 (a)->addr32[2] != (b)->addr32[2] || \
179 (a)->addr32[3] != (b)->addr32[3]))) \
181 #define PF_AZERO(a, c) \
182 ((c == AF_INET && !(a)->addr32[0]) || \
183 (c == AF_INET6 && !(a)->addr32[0] && !(a)->addr32[1] && \
184 !(a)->addr32[2] && !(a)->addr32[3] )) \
186 #define PF_MATCHA(n, a, m, b, f) \
187 pf_match_addr(n, a, m, b, f)
189 #define PF_ACPY(a, b, f) \
192 #define PF_AINC(a, f) \
195 #define PF_POOLMASK(a, b, c, d, f) \
196 pf_poolmask(a, b, c, d, f)
204 #define PF_AEQ(a, b, c) \
205 ((a)->addr32[3] == (b)->addr32[3] && \
206 (a)->addr32[2] == (b)->addr32[2] && \
207 (a)->addr32[1] == (b)->addr32[1] && \
208 (a)->addr32[0] == (b)->addr32[0]) \
210 #define PF_ANEQ(a, b, c) \
211 ((a)->addr32[3] != (b)->addr32[3] || \
212 (a)->addr32[2] != (b)->addr32[2] || \
213 (a)->addr32[1] != (b)->addr32[1] || \
214 (a)->addr32[0] != (b)->addr32[0]) \
216 #define PF_AZERO(a, c) \
217 (!(a)->addr32[0] && \
222 #define PF_MATCHA(n, a, m, b, f) \
223 pf_match_addr(n, a, m, b, f)
225 #define PF_ACPY(a, b, f) \
228 #define PF_AINC(a, f) \
231 #define PF_POOLMASK(a, b, c, d, f) \
232 pf_poolmask(a, b, c, d, f)
239 #define PF_AEQ(a, b, c) \
240 ((a)->addr32[0] == (b)->addr32[0])
242 #define PF_ANEQ(a, b, c) \
243 ((a)->addr32[0] != (b)->addr32[0])
245 #define PF_AZERO(a, c) \
248 #define PF_MATCHA(n, a, m, b, f) \
249 pf_match_addr(n, a, m, b, f)
251 #define PF_ACPY(a, b, f) \
252 (a)->v4.s_addr = (b)->v4.s_addr
254 #define PF_AINC(a, f) \
256 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
259 #define PF_POOLMASK(a, b, c, d, f) \
261 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
262 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
265 #endif /* PF_INET_ONLY */
266 #endif /* PF_INET6_ONLY */
267 #endif /* PF_INET_INET6 */
270 * XXX callers not FIB-aware in our version of pf yet.
271 * OpenBSD fixed it later it seems, 2010/05/07 13:33:16 claudio.
273 #define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \
275 (((aw)->type == PF_ADDR_NOROUTE && \
276 pf_routable((x), (af), NULL, (rtid))) || \
277 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
278 pf_routable((x), (af), (ifp), (rtid))) || \
279 ((aw)->type == PF_ADDR_TABLE && \
280 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
281 ((aw)->type == PF_ADDR_DYNIFTL && \
282 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
283 ((aw)->type == PF_ADDR_RANGE && \
284 !pf_match_addr_range(&(aw)->v.a.addr, \
285 &(aw)->v.a.mask, (x), (af))) || \
286 ((aw)->type == PF_ADDR_ADDRMASK && \
287 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
288 !PF_MATCHA(0, &(aw)->v.a.addr, \
289 &(aw)->v.a.mask, (x), (af))))) != \
293 #define PF_ALGNMNT(off) (((off) % 2) == 0)
297 struct pf_kpooladdr {
298 struct pf_addr_wrap addr;
299 TAILQ_ENTRY(pf_kpooladdr) entries;
300 char ifname[IFNAMSIZ];
301 struct pfi_kkif *kif;
304 TAILQ_HEAD(pf_kpalist, pf_kpooladdr);
307 struct pf_kpalist list;
308 struct pf_kpooladdr *cur;
309 struct pf_poolhashkey key;
310 struct pf_addr counter;
312 u_int16_t proxy_port[2];
317 struct pf_krule *ptr;
322 struct pf_rule_addr src;
323 struct pf_rule_addr dst;
324 union pf_krule_ptr skip[PF_SKIP_COUNT];
325 char label[PF_RULE_LABEL_SIZE];
326 char ifname[IFNAMSIZ];
327 char qname[PF_QNAME_SIZE];
328 char pqname[PF_QNAME_SIZE];
329 char tagname[PF_TAG_NAME_SIZE];
330 char match_tagname[PF_TAG_NAME_SIZE];
332 char overload_tblname[PF_TABLE_NAME_SIZE];
334 TAILQ_ENTRY(pf_krule) entries;
335 struct pf_kpool rpool;
337 counter_u64_t evaluations;
338 counter_u64_t packets[2];
339 counter_u64_t bytes[2];
341 struct pfi_kkif *kif;
342 struct pf_kanchor *anchor;
343 struct pfr_ktable *overload_tbl;
345 pf_osfp_t os_fingerprint;
348 u_int32_t timeout[PFTM_MAX];
349 u_int32_t max_states;
350 u_int32_t max_src_nodes;
351 u_int32_t max_src_states;
352 u_int32_t max_src_conn;
365 counter_u64_t states_cur;
366 counter_u64_t states_tot;
367 counter_u64_t src_nodes;
369 u_int16_t return_icmp;
370 u_int16_t return_icmp6;
374 u_int16_t scrub_flags;
376 struct pf_rule_uid uid;
377 struct pf_rule_gid gid;
386 u_int8_t match_tag_not;
402 u_int8_t anchor_relative;
403 u_int8_t anchor_wildcard;
407 u_int8_t set_prio[2];
415 struct pf_ksrc_node {
416 LIST_ENTRY(pf_ksrc_node) entry;
418 struct pf_addr raddr;
419 union pf_krule_ptr rule;
420 struct pfi_kkif *kif;
421 counter_u64_t bytes[2];
422 counter_u64_t packets[2];
425 struct pf_threshold conn_rate;
433 struct pf_state_scrub {
434 struct timeval pfss_last; /* time received last packet */
435 u_int32_t pfss_tsecr; /* last echoed timestamp */
436 u_int32_t pfss_tsval; /* largest timestamp */
437 u_int32_t pfss_tsval0; /* original timestamp */
438 u_int16_t pfss_flags;
439 #define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
440 #define PFSS_PAWS 0x0010 /* stricter PAWS checks */
441 #define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
442 #define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
443 #define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
444 u_int8_t pfss_ttl; /* stashed TTL */
446 u_int32_t pfss_ts_mod; /* timestamp modulation */
449 struct pf_state_host {
455 struct pf_state_peer {
456 struct pf_state_scrub *scrub; /* state is scrubbed */
457 u_int32_t seqlo; /* Max sequence number sent */
458 u_int32_t seqhi; /* Max the other end ACKd + win */
459 u_int32_t seqdiff; /* Sequence number modulator */
460 u_int16_t max_win; /* largest window (pre scaling) */
461 u_int16_t mss; /* Maximum segment size option */
462 u_int8_t state; /* active state level */
463 u_int8_t wscale; /* window scaling factor */
464 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
468 /* Keep synced with struct pf_state_key. */
469 struct pf_state_key_cmp {
470 struct pf_addr addr[2];
477 struct pf_state_key {
478 struct pf_addr addr[2];
484 LIST_ENTRY(pf_state_key) entry;
485 TAILQ_HEAD(, pf_state) states[2];
488 /* Keep synced with struct pf_state. */
489 struct pf_state_cmp {
496 #define PFSTATE_ALLOWOPTS 0x01
497 #define PFSTATE_SLOPPY 0x02
498 /* was PFSTATE_PFLOW 0x04 */
499 #define PFSTATE_NOSYNC 0x08
500 #define PFSTATE_ACK 0x10
501 #define PFSTATE_SETPRIO 0x0200
502 #define PFSTATE_SETMASK (PFSTATE_SETPRIO)
512 TAILQ_ENTRY(pf_state) sync_list;
513 TAILQ_ENTRY(pf_state) key_list[2];
514 LIST_ENTRY(pf_state) entry;
515 struct pf_state_peer src;
516 struct pf_state_peer dst;
517 union pf_krule_ptr rule;
518 union pf_krule_ptr anchor;
519 union pf_krule_ptr nat_rule;
520 struct pf_addr rt_addr;
521 struct pf_state_key *key[2]; /* addresses stack and wire */
522 struct pfi_kkif *kif;
523 struct pfi_kkif *rt_kif;
524 struct pf_ksrc_node *src_node;
525 struct pf_ksrc_node *nat_src_node;
526 counter_u64_t packets[2];
527 counter_u64_t bytes[2];
530 u_int32_t pfsync_time;
533 u_int8_t state_flags;
535 u_int8_t sync_state; /* PFSYNC_S_x */
538 u_int8_t sync_updates;
544 * Unified state structures for pulling states out of the kernel
545 * used by pfsync(4) and the pf(4) ioctl.
547 struct pfsync_state_scrub {
548 u_int16_t pfss_flags;
549 u_int8_t pfss_ttl; /* stashed TTL */
550 #define PFSYNC_SCRUB_FLAG_VALID 0x01
552 u_int32_t pfss_ts_mod; /* timestamp modulation */
555 struct pfsync_state_peer {
556 struct pfsync_state_scrub scrub; /* state is scrubbed */
557 u_int32_t seqlo; /* Max sequence number sent */
558 u_int32_t seqhi; /* Max the other end ACKd + win */
559 u_int32_t seqdiff; /* Sequence number modulator */
560 u_int16_t max_win; /* largest window (pre scaling) */
561 u_int16_t mss; /* Maximum segment size option */
562 u_int8_t state; /* active state level */
563 u_int8_t wscale; /* window scaling factor */
567 struct pfsync_state_key {
568 struct pf_addr addr[2];
572 struct pfsync_state {
574 char ifname[IFNAMSIZ];
575 struct pfsync_state_key key[2];
576 struct pfsync_state_peer src;
577 struct pfsync_state_peer dst;
578 struct pf_addr rt_addr;
584 u_int32_t packets[2][2];
585 u_int32_t bytes[2][2];
592 u_int8_t state_flags;
600 typedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t);
601 typedef void pfsync_insert_state_t(struct pf_state *);
602 typedef void pfsync_update_state_t(struct pf_state *);
603 typedef void pfsync_delete_state_t(struct pf_state *);
604 typedef void pfsync_clear_states_t(u_int32_t, const char *);
605 typedef int pfsync_defer_t(struct pf_state *, struct mbuf *);
606 typedef void pfsync_detach_ifnet_t(struct ifnet *);
608 VNET_DECLARE(pfsync_state_import_t *, pfsync_state_import_ptr);
609 #define V_pfsync_state_import_ptr VNET(pfsync_state_import_ptr)
610 VNET_DECLARE(pfsync_insert_state_t *, pfsync_insert_state_ptr);
611 #define V_pfsync_insert_state_ptr VNET(pfsync_insert_state_ptr)
612 VNET_DECLARE(pfsync_update_state_t *, pfsync_update_state_ptr);
613 #define V_pfsync_update_state_ptr VNET(pfsync_update_state_ptr)
614 VNET_DECLARE(pfsync_delete_state_t *, pfsync_delete_state_ptr);
615 #define V_pfsync_delete_state_ptr VNET(pfsync_delete_state_ptr)
616 VNET_DECLARE(pfsync_clear_states_t *, pfsync_clear_states_ptr);
617 #define V_pfsync_clear_states_ptr VNET(pfsync_clear_states_ptr)
618 VNET_DECLARE(pfsync_defer_t *, pfsync_defer_ptr);
619 #define V_pfsync_defer_ptr VNET(pfsync_defer_ptr)
620 extern pfsync_detach_ifnet_t *pfsync_detach_ifnet_ptr;
622 void pfsync_state_export(struct pfsync_state *,
628 typedef int pflog_packet_t(struct pfi_kkif *, struct mbuf *, sa_family_t,
629 u_int8_t, u_int8_t, struct pf_krule *, struct pf_krule *,
630 struct pf_kruleset *, struct pf_pdesc *, int);
631 extern pflog_packet_t *pflog_packet_ptr;
635 #define PFSYNC_FLAG_SRCNODE 0x04
636 #define PFSYNC_FLAG_NATSRCNODE 0x08
638 /* for copies to/from network byte order */
639 /* ioctl interface also uses network byte order */
640 #define pf_state_peer_hton(s,d) do { \
641 (d)->seqlo = htonl((s)->seqlo); \
642 (d)->seqhi = htonl((s)->seqhi); \
643 (d)->seqdiff = htonl((s)->seqdiff); \
644 (d)->max_win = htons((s)->max_win); \
645 (d)->mss = htons((s)->mss); \
646 (d)->state = (s)->state; \
647 (d)->wscale = (s)->wscale; \
649 (d)->scrub.pfss_flags = \
650 htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \
651 (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \
652 (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\
653 (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \
657 #define pf_state_peer_ntoh(s,d) do { \
658 (d)->seqlo = ntohl((s)->seqlo); \
659 (d)->seqhi = ntohl((s)->seqhi); \
660 (d)->seqdiff = ntohl((s)->seqdiff); \
661 (d)->max_win = ntohs((s)->max_win); \
662 (d)->mss = ntohs((s)->mss); \
663 (d)->state = (s)->state; \
664 (d)->wscale = (s)->wscale; \
665 if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \
666 (d)->scrub != NULL) { \
667 (d)->scrub->pfss_flags = \
668 ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \
669 (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \
670 (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\
674 #define pf_state_counter_hton(s,d) do { \
675 d[0] = htonl((s>>32)&0xffffffff); \
676 d[1] = htonl(s&0xffffffff); \
679 #define pf_state_counter_from_pfsync(s) \
680 (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1]))
682 #define pf_state_counter_ntoh(s,d) do { \
688 TAILQ_HEAD(pf_krulequeue, pf_krule);
694 struct pf_krulequeue queues[2];
696 struct pf_krulequeue *ptr;
697 struct pf_krule **ptr_array;
702 } rules[PF_RULESET_MAX];
703 struct pf_kanchor *anchor;
709 RB_HEAD(pf_kanchor_global, pf_kanchor);
710 RB_HEAD(pf_kanchor_node, pf_kanchor);
712 RB_ENTRY(pf_kanchor) entry_global;
713 RB_ENTRY(pf_kanchor) entry_node;
714 struct pf_kanchor *parent;
715 struct pf_kanchor_node children;
716 char name[PF_ANCHOR_NAME_SIZE];
717 char path[MAXPATHLEN];
718 struct pf_kruleset ruleset;
719 int refcnt; /* anchor rules */
720 int match; /* XXX: used for pfctl black magic */
722 RB_PROTOTYPE(pf_kanchor_global, pf_kanchor, entry_global, pf_anchor_compare);
723 RB_PROTOTYPE(pf_kanchor_node, pf_kanchor, entry_node, pf_kanchor_compare);
725 #define PF_RESERVED_ANCHOR "_pf"
727 #define PFR_TFLAG_PERSIST 0x00000001
728 #define PFR_TFLAG_CONST 0x00000002
729 #define PFR_TFLAG_ACTIVE 0x00000004
730 #define PFR_TFLAG_INACTIVE 0x00000008
731 #define PFR_TFLAG_REFERENCED 0x00000010
732 #define PFR_TFLAG_REFDANCHOR 0x00000020
733 #define PFR_TFLAG_COUNTERS 0x00000040
734 /* Adjust masks below when adding flags. */
735 #define PFR_TFLAG_USRMASK (PFR_TFLAG_PERSIST | \
738 #define PFR_TFLAG_SETMASK (PFR_TFLAG_ACTIVE | \
739 PFR_TFLAG_INACTIVE | \
740 PFR_TFLAG_REFERENCED | \
741 PFR_TFLAG_REFDANCHOR)
742 #define PFR_TFLAG_ALLMASK (PFR_TFLAG_PERSIST | \
745 PFR_TFLAG_INACTIVE | \
746 PFR_TFLAG_REFERENCED | \
747 PFR_TFLAG_REFDANCHOR | \
750 struct pf_kanchor_stackframe;
753 char pfrt_anchor[MAXPATHLEN];
754 char pfrt_name[PF_TABLE_NAME_SIZE];
755 u_int32_t pfrt_flags;
759 enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
760 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
761 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX };
765 struct in_addr _pfra_ip4addr;
766 struct in6_addr _pfra_ip6addr;
773 #define pfra_ip4addr pfra_u._pfra_ip4addr
774 #define pfra_ip6addr pfra_u._pfra_ip6addr
776 enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
777 enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
778 enum { PFR_TYPE_PACKETS, PFR_TYPE_BYTES, PFR_TYPE_MAX };
779 #define PFR_NUM_COUNTERS (PFR_DIR_MAX * PFR_OP_ADDR_MAX * PFR_TYPE_MAX)
780 #define PFR_OP_XPASS PFR_OP_ADDR_MAX
783 struct pfr_addr pfras_a;
784 u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
785 u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
789 enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
792 struct pfr_table pfrts_t;
793 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
794 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
795 u_int64_t pfrts_match;
796 u_int64_t pfrts_nomatch;
799 int pfrts_refcnt[PFR_REFCNT_MAX];
803 struct pfr_table pfrts_t;
804 counter_u64_t pfrkts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
805 counter_u64_t pfrkts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
806 counter_u64_t pfrkts_match;
807 counter_u64_t pfrkts_nomatch;
810 int pfrkts_refcnt[PFR_REFCNT_MAX];
812 #define pfrts_name pfrts_t.pfrt_name
813 #define pfrts_flags pfrts_t.pfrt_flags
815 #ifndef _SOCKADDR_UNION_DEFINED
816 #define _SOCKADDR_UNION_DEFINED
817 union sockaddr_union {
819 struct sockaddr_in sin;
820 struct sockaddr_in6 sin6;
822 #endif /* _SOCKADDR_UNION_DEFINED */
824 struct pfr_kcounters {
825 counter_u64_t pfrkc_counters;
828 #define pfr_kentry_counter(kc, dir, op, t) \
829 ((kc)->pfrkc_counters + \
830 (dir) * PFR_OP_ADDR_MAX * PFR_TYPE_MAX + (op) * PFR_TYPE_MAX + (t))
833 SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
835 struct radix_node pfrke_node[2];
836 union sockaddr_union pfrke_sa;
837 SLIST_ENTRY(pfr_kentry) pfrke_workq;
838 struct pfr_kcounters pfrke_counters;
845 SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
846 RB_HEAD(pfr_ktablehead, pfr_ktable);
848 struct pfr_ktstats pfrkt_kts;
849 RB_ENTRY(pfr_ktable) pfrkt_tree;
850 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
851 struct radix_node_head *pfrkt_ip4;
852 struct radix_node_head *pfrkt_ip6;
853 struct pfr_ktable *pfrkt_shadow;
854 struct pfr_ktable *pfrkt_root;
855 struct pf_kruleset *pfrkt_rs;
859 #define pfrkt_t pfrkt_kts.pfrts_t
860 #define pfrkt_name pfrkt_t.pfrt_name
861 #define pfrkt_anchor pfrkt_t.pfrt_anchor
862 #define pfrkt_ruleset pfrkt_t.pfrt_ruleset
863 #define pfrkt_flags pfrkt_t.pfrt_flags
864 #define pfrkt_cnt pfrkt_kts.pfrkts_cnt
865 #define pfrkt_refcnt pfrkt_kts.pfrkts_refcnt
866 #define pfrkt_packets pfrkt_kts.pfrkts_packets
867 #define pfrkt_bytes pfrkt_kts.pfrkts_bytes
868 #define pfrkt_match pfrkt_kts.pfrkts_match
869 #define pfrkt_nomatch pfrkt_kts.pfrkts_nomatch
870 #define pfrkt_tzero pfrkt_kts.pfrkts_tzero
875 char pfik_name[IFNAMSIZ];
877 RB_ENTRY(pfi_kkif) _pfik_tree;
878 LIST_ENTRY(pfi_kkif) _pfik_list;
880 #define pfik_tree _pfik_glue._pfik_tree
881 #define pfik_list _pfik_glue._pfik_list
882 counter_u64_t pfik_packets[2][2][2];
883 counter_u64_t pfik_bytes[2][2][2];
884 u_int32_t pfik_tzero;
886 struct ifnet *pfik_ifp;
887 struct ifg_group *pfik_group;
889 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
893 #define PFI_IFLAG_REFS 0x0001 /* has state references */
894 #define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
902 u_int64_t tot_len; /* Make Mickey money */
908 struct icmp6_hdr *icmp6;
913 struct pf_krule *nat_rule; /* nat/rdr rule applied to packet */
914 struct pf_addr *src; /* src address */
915 struct pf_addr *dst; /* dst address */
918 struct pf_mtag *pf_mtag;
920 u_int32_t p_len; /* total length of payload */
923 u_int16_t *proto_sum;
924 u_int16_t flags; /* Let SCRUB trigger behavior in
925 * state code. Easier than tags */
926 #define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
927 #define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
931 u_int8_t dir; /* direction */
932 u_int8_t sidx; /* key index for source */
933 u_int8_t didx; /* key index for destination */
936 /* flags for RDR options */
937 #define PF_DPORT_RANGE 0x01 /* Dest port uses range */
938 #define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
940 /* UDP state enumeration */
941 #define PFUDPS_NO_TRAFFIC 0
942 #define PFUDPS_SINGLE 1
943 #define PFUDPS_MULTIPLE 2
945 #define PFUDPS_NSTATES 3 /* number of state levels */
947 #define PFUDPS_NAMES { \
954 /* Other protocol state enumeration */
955 #define PFOTHERS_NO_TRAFFIC 0
956 #define PFOTHERS_SINGLE 1
957 #define PFOTHERS_MULTIPLE 2
959 #define PFOTHERS_NSTATES 3 /* number of state levels */
961 #define PFOTHERS_NAMES { \
968 #define ACTION_SET(a, x) \
974 #define REASON_SET(a, x) \
979 counter_u64_add(V_pf_status.counters[x], 1); \
983 counter_u64_t counters[PFRES_MAX]; /* reason for passing/dropping */
984 counter_u64_t lcounters[LCNT_MAX]; /* limit counters */
985 counter_u64_t fcounters[FCNT_MAX]; /* state operation counters */
986 counter_u64_t scounters[SCNT_MAX]; /* src_node operation counters */
993 char ifname[IFNAMSIZ];
994 uint8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
1000 struct in6_addr ipv6;
1005 #define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1006 #define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1009 * Limit the length of the fragment queue traversal. Remember
1010 * search entry points based on the fragment offset.
1012 #define PF_FRAG_ENTRY_POINTS 16
1015 * The number of entries in the fragment queue must be limited
1016 * to avoid DoS by linear seaching. Instead of a global limit,
1017 * use a limit per entry point. For large packets these sum up.
1019 #define PF_FRAG_ENTRY_LIMIT 64
1022 * ioctl parameter structures
1025 struct pfioc_pooladdr {
1033 char anchor[MAXPATHLEN];
1034 struct pf_pooladdr addr;
1040 u_int32_t pool_ticket;
1042 char anchor[MAXPATHLEN];
1043 char anchor_call[MAXPATHLEN];
1044 struct pf_rule rule;
1047 struct pfioc_natlook {
1048 struct pf_addr saddr;
1049 struct pf_addr daddr;
1050 struct pf_addr rsaddr;
1051 struct pf_addr rdaddr;
1061 struct pfioc_state {
1062 struct pfsync_state state;
1065 struct pfioc_src_node_kill {
1066 sa_family_t psnk_af;
1067 struct pf_rule_addr psnk_src;
1068 struct pf_rule_addr psnk_dst;
1072 struct pfioc_state_kill {
1073 struct pf_state_cmp psk_pfcmp;
1076 struct pf_rule_addr psk_src;
1077 struct pf_rule_addr psk_dst;
1078 char psk_ifname[IFNAMSIZ];
1079 char psk_label[PF_RULE_LABEL_SIZE];
1083 struct pfioc_states {
1087 struct pfsync_state *psu_states;
1089 #define ps_buf ps_u.psu_buf
1090 #define ps_states ps_u.psu_states
1093 struct pfioc_src_nodes {
1097 struct pf_src_node *psu_src_nodes;
1099 #define psn_buf psn_u.psu_buf
1100 #define psn_src_nodes psn_u.psu_src_nodes
1104 char ifname[IFNAMSIZ];
1112 struct pfioc_limit {
1117 struct pfioc_altq_v0 {
1121 struct pf_altq_v0 altq;
1124 struct pfioc_altq_v1 {
1129 * Placed here so code that only uses the above parameters can be
1130 * written entirely in terms of the v0 or v1 type.
1133 struct pf_altq_v1 altq;
1137 * Latest version of struct pfioc_altq_vX. This must move in lock-step with
1138 * the latest version of struct pf_altq_vX as it has that struct as a
1141 #define PFIOC_ALTQ_VERSION PF_ALTQ_VERSION
1143 struct pfioc_qstats_v0 {
1151 struct pfioc_qstats_v1 {
1158 * Placed here so code that only uses the above parameters can be
1159 * written entirely in terms of the v0 or v1 type.
1161 u_int32_t version; /* Requested version of stats struct */
1164 /* Latest version of struct pfioc_qstats_vX */
1165 #define PFIOC_QSTATS_VERSION 1
1167 struct pfioc_ruleset {
1169 char path[MAXPATHLEN];
1170 char name[PF_ANCHOR_NAME_SIZE];
1173 #define PF_RULESET_ALTQ (PF_RULESET_MAX)
1174 #define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1175 struct pfioc_trans {
1176 int size; /* number of elements */
1177 int esize; /* size of each element in bytes */
1178 struct pfioc_trans_e {
1180 char anchor[MAXPATHLEN];
1185 #define PFR_FLAG_ATOMIC 0x00000001 /* unused */
1186 #define PFR_FLAG_DUMMY 0x00000002
1187 #define PFR_FLAG_FEEDBACK 0x00000004
1188 #define PFR_FLAG_CLSTATS 0x00000008
1189 #define PFR_FLAG_ADDRSTOO 0x00000010
1190 #define PFR_FLAG_REPLACE 0x00000020
1191 #define PFR_FLAG_ALLRSETS 0x00000040
1192 #define PFR_FLAG_ALLMASK 0x0000007F
1194 #define PFR_FLAG_USERIOCTL 0x10000000
1197 struct pfioc_table {
1198 struct pfr_table pfrio_table;
1207 u_int32_t pfrio_ticket;
1209 #define pfrio_exists pfrio_nadd
1210 #define pfrio_nzero pfrio_nadd
1211 #define pfrio_nmatch pfrio_nadd
1212 #define pfrio_naddr pfrio_size2
1213 #define pfrio_setflag pfrio_size2
1214 #define pfrio_clrflag pfrio_nadd
1216 struct pfioc_iface {
1217 char pfiio_name[IFNAMSIZ];
1229 #define DIOCSTART _IO ('D', 1)
1230 #define DIOCSTOP _IO ('D', 2)
1231 #define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1232 #define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1233 #define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1234 /* XXX cut 8 - 17 */
1235 #define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1236 #define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1237 #define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1238 #define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1239 #define DIOCCLRSTATUS _IO ('D', 22)
1240 #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
1241 #define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
1242 #define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
1243 #define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
1244 /* XXX cut 26 - 28 */
1245 #define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
1246 #define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1247 #define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1248 #define DIOCCLRRULECTRS _IO ('D', 38)
1249 #define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1250 #define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1251 #define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1252 #define DIOCSTARTALTQ _IO ('D', 42)
1253 #define DIOCSTOPALTQ _IO ('D', 43)
1254 #define DIOCADDALTQV0 _IOWR('D', 45, struct pfioc_altq_v0)
1255 #define DIOCADDALTQV1 _IOWR('D', 45, struct pfioc_altq_v1)
1256 #define DIOCGETALTQSV0 _IOWR('D', 47, struct pfioc_altq_v0)
1257 #define DIOCGETALTQSV1 _IOWR('D', 47, struct pfioc_altq_v1)
1258 #define DIOCGETALTQV0 _IOWR('D', 48, struct pfioc_altq_v0)
1259 #define DIOCGETALTQV1 _IOWR('D', 48, struct pfioc_altq_v1)
1260 #define DIOCCHANGEALTQV0 _IOWR('D', 49, struct pfioc_altq_v0)
1261 #define DIOCCHANGEALTQV1 _IOWR('D', 49, struct pfioc_altq_v1)
1262 #define DIOCGETQSTATSV0 _IOWR('D', 50, struct pfioc_qstats_v0)
1263 #define DIOCGETQSTATSV1 _IOWR('D', 50, struct pfioc_qstats_v1)
1264 #define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1265 #define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1266 #define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1267 #define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1268 #define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1269 /* XXX cut 55 - 57 */
1270 #define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1271 #define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1272 #define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1273 #define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1274 #define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1275 #define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1276 #define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1277 #define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1278 #define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1279 #define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1280 #define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1281 #define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1282 #define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1283 #define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1284 #define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1285 #define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1286 #define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1287 #define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1288 #define DIOCOSFPFLUSH _IO('D', 78)
1289 #define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1290 #define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1291 #define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1292 #define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1293 #define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1294 #define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1295 #define DIOCCLRSRCNODES _IO('D', 85)
1296 #define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1297 #define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1298 #define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1299 #define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1300 #define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
1301 struct pf_ifspeed_v0 {
1302 char ifname[IFNAMSIZ];
1306 struct pf_ifspeed_v1 {
1307 char ifname[IFNAMSIZ];
1308 u_int32_t baudrate32;
1309 /* layout identical to struct pf_ifspeed_v0 up to this point */
1313 /* Latest version of struct pf_ifspeed_vX */
1314 #define PF_IFSPEED_VERSION 1
1316 #define DIOCGIFSPEEDV0 _IOWR('D', 92, struct pf_ifspeed_v0)
1317 #define DIOCGIFSPEEDV1 _IOWR('D', 92, struct pf_ifspeed_v1)
1320 * Compatibility and convenience macros
1323 #ifdef PFIOC_USE_LATEST
1325 * Maintaining in-tree consumers of the ioctl interface is easier when that
1326 * code can be written in terms old names that refer to the latest interface
1327 * version as that reduces the required changes in the consumers to those
1328 * that are functionally necessary to accommodate a new interface version.
1330 #define pfioc_altq __CONCAT(pfioc_altq_v, PFIOC_ALTQ_VERSION)
1331 #define pfioc_qstats __CONCAT(pfioc_qstats_v, PFIOC_QSTATS_VERSION)
1332 #define pf_ifspeed __CONCAT(pf_ifspeed_v, PF_IFSPEED_VERSION)
1334 #define DIOCADDALTQ __CONCAT(DIOCADDALTQV, PFIOC_ALTQ_VERSION)
1335 #define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, PFIOC_ALTQ_VERSION)
1336 #define DIOCGETALTQ __CONCAT(DIOCGETALTQV, PFIOC_ALTQ_VERSION)
1337 #define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, PFIOC_ALTQ_VERSION)
1338 #define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, PFIOC_QSTATS_VERSION)
1339 #define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, PF_IFSPEED_VERSION)
1342 * When building out-of-tree code that is written for the old interface,
1343 * such as may exist in ports for example, resolve the old struct tags and
1344 * ioctl command names to the v0 versions.
1346 #define pfioc_altq __CONCAT(pfioc_altq_v, 0)
1347 #define pfioc_qstats __CONCAT(pfioc_qstats_v, 0)
1348 #define pf_ifspeed __CONCAT(pf_ifspeed_v, 0)
1350 #define DIOCADDALTQ __CONCAT(DIOCADDALTQV, 0)
1351 #define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, 0)
1352 #define DIOCGETALTQ __CONCAT(DIOCGETALTQV, 0)
1353 #define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, 0)
1354 #define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, 0)
1355 #define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, 0)
1356 #endif /* PFIOC_USE_LATEST */
1357 #endif /* _KERNEL */
1360 LIST_HEAD(pf_ksrc_node_list, pf_ksrc_node);
1362 struct pf_ksrc_node_list nodes;
1367 LIST_HEAD(, pf_state_key) keys;
1372 LIST_HEAD(, pf_state) states;
1376 extern u_long pf_hashmask;
1377 extern u_long pf_srchashmask;
1378 #define PF_HASHSIZ (131072)
1379 #define PF_SRCHASHSIZ (PF_HASHSIZ/4)
1380 VNET_DECLARE(struct pf_keyhash *, pf_keyhash);
1381 VNET_DECLARE(struct pf_idhash *, pf_idhash);
1382 #define V_pf_keyhash VNET(pf_keyhash)
1383 #define V_pf_idhash VNET(pf_idhash)
1384 VNET_DECLARE(struct pf_srchash *, pf_srchash);
1385 #define V_pf_srchash VNET(pf_srchash)
1387 #define PF_IDHASH(s) (be64toh((s)->id) % (pf_hashmask + 1))
1389 VNET_DECLARE(void *, pf_swi_cookie);
1390 #define V_pf_swi_cookie VNET(pf_swi_cookie)
1392 VNET_DECLARE(uint64_t, pf_stateid[MAXCPU]);
1393 #define V_pf_stateid VNET(pf_stateid)
1395 TAILQ_HEAD(pf_altqqueue, pf_altq);
1396 VNET_DECLARE(struct pf_altqqueue, pf_altqs[4]);
1397 #define V_pf_altqs VNET(pf_altqs)
1398 VNET_DECLARE(struct pf_kpalist, pf_pabuf);
1399 #define V_pf_pabuf VNET(pf_pabuf)
1401 VNET_DECLARE(u_int32_t, ticket_altqs_active);
1402 #define V_ticket_altqs_active VNET(ticket_altqs_active)
1403 VNET_DECLARE(u_int32_t, ticket_altqs_inactive);
1404 #define V_ticket_altqs_inactive VNET(ticket_altqs_inactive)
1405 VNET_DECLARE(int, altqs_inactive_open);
1406 #define V_altqs_inactive_open VNET(altqs_inactive_open)
1407 VNET_DECLARE(u_int32_t, ticket_pabuf);
1408 #define V_ticket_pabuf VNET(ticket_pabuf)
1409 VNET_DECLARE(struct pf_altqqueue *, pf_altqs_active);
1410 #define V_pf_altqs_active VNET(pf_altqs_active)
1411 VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_active);
1412 #define V_pf_altq_ifs_active VNET(pf_altq_ifs_active)
1413 VNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive);
1414 #define V_pf_altqs_inactive VNET(pf_altqs_inactive)
1415 VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_inactive);
1416 #define V_pf_altq_ifs_inactive VNET(pf_altq_ifs_inactive)
1418 VNET_DECLARE(struct pf_krulequeue, pf_unlinked_rules);
1419 #define V_pf_unlinked_rules VNET(pf_unlinked_rules)
1421 void pf_initialize(void);
1422 void pf_mtag_initialize(void);
1423 void pf_mtag_cleanup(void);
1424 void pf_cleanup(void);
1426 struct pf_mtag *pf_get_mtag(struct mbuf *);
1428 extern void pf_calc_skip_steps(struct pf_krulequeue *);
1430 extern void pf_altq_ifnet_event(struct ifnet *, int);
1432 VNET_DECLARE(uma_zone_t, pf_state_z);
1433 #define V_pf_state_z VNET(pf_state_z)
1434 VNET_DECLARE(uma_zone_t, pf_state_key_z);
1435 #define V_pf_state_key_z VNET(pf_state_key_z)
1436 VNET_DECLARE(uma_zone_t, pf_state_scrub_z);
1437 #define V_pf_state_scrub_z VNET(pf_state_scrub_z)
1439 extern void pf_purge_thread(void *);
1440 extern void pf_unload_vnet_purge(void);
1441 extern void pf_intr(void *);
1442 extern void pf_purge_expired_src_nodes(void);
1444 extern int pf_unlink_state(struct pf_state *, u_int);
1445 #define PF_ENTER_LOCKED 0x00000001
1446 #define PF_RETURN_LOCKED 0x00000002
1447 extern int pf_state_insert(struct pfi_kkif *,
1448 struct pf_state_key *,
1449 struct pf_state_key *,
1451 extern void pf_free_state(struct pf_state *);
1453 static __inline void
1454 pf_ref_state(struct pf_state *s)
1457 refcount_acquire(&s->refs);
1461 pf_release_state(struct pf_state *s)
1464 if (refcount_release(&s->refs)) {
1471 extern struct pf_state *pf_find_state_byid(uint64_t, uint32_t);
1472 extern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *,
1474 extern struct pf_ksrc_node *pf_find_src_node(struct pf_addr *,
1475 struct pf_krule *, sa_family_t, int);
1476 extern void pf_unlink_src_node(struct pf_ksrc_node *);
1477 extern u_int pf_free_src_nodes(struct pf_ksrc_node_list *);
1478 extern void pf_print_state(struct pf_state *);
1479 extern void pf_print_flags(u_int8_t);
1480 extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1482 extern u_int16_t pf_proto_cksum_fixup(struct mbuf *, u_int16_t,
1483 u_int16_t, u_int16_t, u_int8_t);
1485 VNET_DECLARE(struct ifnet *, sync_ifp);
1486 #define V_sync_ifp VNET(sync_ifp);
1487 VNET_DECLARE(struct pf_krule, pf_default_rule);
1488 #define V_pf_default_rule VNET(pf_default_rule)
1489 extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1491 void pf_free_rule(struct pf_krule *);
1494 int pf_test(int, int, struct ifnet *, struct mbuf **, struct inpcb *);
1495 int pf_normalize_ip(struct mbuf **, int, struct pfi_kkif *, u_short *,
1500 int pf_test6(int, int, struct ifnet *, struct mbuf **, struct inpcb *);
1501 int pf_normalize_ip6(struct mbuf **, int, struct pfi_kkif *, u_short *,
1503 void pf_poolmask(struct pf_addr *, struct pf_addr*,
1504 struct pf_addr *, struct pf_addr *, u_int8_t);
1505 void pf_addr_inc(struct pf_addr *, sa_family_t);
1506 int pf_refragment6(struct ifnet *, struct mbuf **, struct m_tag *);
1509 u_int32_t pf_new_isn(struct pf_state *);
1510 void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1512 void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1513 void pf_change_proto_a(struct mbuf *, void *, u_int16_t *, u_int32_t,
1515 void pf_change_tcp_a(struct mbuf *, void *, u_int16_t *, u_int32_t);
1516 void pf_patch_16_unaligned(struct mbuf *, u_int16_t *, void *, u_int16_t,
1518 void pf_patch_32_unaligned(struct mbuf *, u_int16_t *, void *, u_int32_t,
1520 void pf_send_deferred_syn(struct pf_state *);
1521 int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1522 struct pf_addr *, sa_family_t);
1523 int pf_match_addr_range(struct pf_addr *, struct pf_addr *,
1524 struct pf_addr *, sa_family_t);
1525 int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1527 void pf_normalize_init(void);
1528 void pf_normalize_cleanup(void);
1529 int pf_normalize_tcp(int, struct pfi_kkif *, struct mbuf *, int, int, void *,
1531 void pf_normalize_tcp_cleanup(struct pf_state *);
1532 int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1533 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1534 int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1535 u_short *, struct tcphdr *, struct pf_state *,
1536 struct pf_state_peer *, struct pf_state_peer *, int *);
1538 pf_state_expires(const struct pf_state *);
1539 void pf_purge_expired_fragments(void);
1540 void pf_purge_fragments(uint32_t);
1541 int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kkif *,
1543 int pf_socket_lookup(int, struct pf_pdesc *, struct mbuf *);
1544 struct pf_state_key *pf_alloc_state_key(int);
1545 void pfr_initialize(void);
1546 void pfr_cleanup(void);
1547 int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1548 void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1549 u_int64_t, int, int, int);
1550 int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, sa_family_t);
1551 void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1553 pfr_attach_table(struct pf_kruleset *, char *);
1554 void pfr_detach_table(struct pfr_ktable *);
1555 int pfr_clr_tables(struct pfr_table *, int *, int);
1556 int pfr_add_tables(struct pfr_table *, int, int *, int);
1557 int pfr_del_tables(struct pfr_table *, int, int *, int);
1558 int pfr_table_count(struct pfr_table *, int);
1559 int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1560 int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1561 int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1562 int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1563 int pfr_clr_addrs(struct pfr_table *, int *, int);
1564 int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1565 int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1567 int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1569 int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1570 int *, int *, int *, int, u_int32_t);
1571 int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1572 int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1573 int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1575 int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1577 int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1578 int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1579 int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1580 int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1581 int *, u_int32_t, int);
1583 MALLOC_DECLARE(PFI_MTYPE);
1584 VNET_DECLARE(struct pfi_kkif *, pfi_all);
1585 #define V_pfi_all VNET(pfi_all)
1587 void pfi_initialize(void);
1588 void pfi_initialize_vnet(void);
1589 void pfi_cleanup(void);
1590 void pfi_cleanup_vnet(void);
1591 void pfi_kkif_ref(struct pfi_kkif *);
1592 void pfi_kkif_unref(struct pfi_kkif *);
1593 struct pfi_kkif *pfi_kkif_find(const char *);
1594 struct pfi_kkif *pfi_kkif_attach(struct pfi_kkif *, const char *);
1595 int pfi_kkif_match(struct pfi_kkif *, struct pfi_kkif *);
1596 void pfi_kkif_purge(void);
1597 int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1599 int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1600 void pfi_dynaddr_remove(struct pfi_dynaddr *);
1601 void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1602 void pfi_update_status(const char *, struct pf_status *);
1603 void pfi_get_ifaces(const char *, struct pfi_kif *, int *);
1604 int pfi_set_flags(const char *, int);
1605 int pfi_clear_flags(const char *, int);
1607 int pf_match_tag(struct mbuf *, struct pf_krule *, int *, int);
1608 int pf_tag_packet(struct mbuf *, struct pf_pdesc *, int);
1609 int pf_addr_cmp(struct pf_addr *, struct pf_addr *,
1611 void pf_qid2qname(u_int32_t, char *);
1613 VNET_DECLARE(struct pf_kstatus, pf_status);
1614 #define V_pf_status VNET(pf_status)
1620 VNET_DECLARE(struct pf_limit, pf_limits[PF_LIMIT_MAX]);
1621 #define V_pf_limits VNET(pf_limits)
1623 #endif /* _KERNEL */
1626 VNET_DECLARE(struct pf_kanchor_global, pf_anchors);
1627 #define V_pf_anchors VNET(pf_anchors)
1628 VNET_DECLARE(struct pf_kanchor, pf_main_anchor);
1629 #define V_pf_main_anchor VNET(pf_main_anchor)
1630 #define pf_main_ruleset V_pf_main_anchor.ruleset
1632 void pf_init_kruleset(struct pf_kruleset *);
1633 int pf_kanchor_setup(struct pf_krule *,
1634 const struct pf_kruleset *, const char *);
1635 int pf_kanchor_copyout(const struct pf_kruleset *,
1636 const struct pf_krule *, struct pfioc_rule *);
1637 void pf_kanchor_remove(struct pf_krule *);
1638 void pf_remove_if_empty_kruleset(struct pf_kruleset *);
1639 struct pf_kruleset *pf_find_kruleset(const char *);
1640 struct pf_kruleset *pf_find_or_create_kruleset(const char *);
1641 void pf_rs_initialize(void);
1644 /* The fingerprint functions can be linked into userland programs (tcpdump) */
1645 int pf_osfp_add(struct pf_osfp_ioctl *);
1647 struct pf_osfp_enlist *
1648 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1649 const struct tcphdr *);
1650 #endif /* _KERNEL */
1651 void pf_osfp_flush(void);
1652 int pf_osfp_get(struct pf_osfp_ioctl *);
1653 int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1656 void pf_print_host(struct pf_addr *, u_int16_t, u_int8_t);
1658 void pf_step_into_anchor(struct pf_kanchor_stackframe *, int *,
1659 struct pf_kruleset **, int, struct pf_krule **,
1660 struct pf_krule **, int *);
1661 int pf_step_out_of_anchor(struct pf_kanchor_stackframe *, int *,
1662 struct pf_kruleset **, int, struct pf_krule **,
1663 struct pf_krule **, int *);
1665 int pf_map_addr(u_int8_t, struct pf_krule *,
1666 struct pf_addr *, struct pf_addr *,
1667 struct pf_addr *, struct pf_ksrc_node **);
1668 struct pf_krule *pf_get_translation(struct pf_pdesc *, struct mbuf *,
1669 int, int, struct pfi_kkif *, struct pf_ksrc_node **,
1670 struct pf_state_key **, struct pf_state_key **,
1671 struct pf_addr *, struct pf_addr *,
1672 uint16_t, uint16_t, struct pf_kanchor_stackframe *);
1674 struct pf_state_key *pf_state_key_setup(struct pf_pdesc *, struct pf_addr *,
1675 struct pf_addr *, u_int16_t, u_int16_t);
1676 struct pf_state_key *pf_state_key_clone(struct pf_state_key *);
1678 struct pfi_kkif *pf_kkif_create(int);
1679 void pf_kkif_free(struct pfi_kkif *);
1680 void pf_kkif_zero(struct pfi_kkif *);
1681 #endif /* _KERNEL */
1683 #endif /* _NET_PFVAR_H_ */