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>
44 #include <sys/refcount.h>
45 #include <sys/sysctl.h>
47 #include <sys/rmlock.h>
51 #include <net/radix.h>
52 #include <netinet/in.h>
54 #include <netinet/ip.h>
55 #include <netinet/tcp.h>
56 #include <netinet/udp.h>
57 #include <netinet/ip_icmp.h>
58 #include <netinet/icmp6.h>
61 #include <netpfil/pf/pf.h>
62 #include <netpfil/pf/pf_altq.h>
63 #include <netpfil/pf/pf_mtag.h>
68 MALLOC_DECLARE(M_PFHASH);
71 TAILQ_ENTRY(pfi_dynaddr) entry;
72 struct pf_addr pfid_addr4;
73 struct pf_addr pfid_mask4;
74 struct pf_addr pfid_addr6;
75 struct pf_addr pfid_mask6;
76 struct pfr_ktable *pfid_kt;
77 struct pfi_kkif *pfid_kif;
78 int pfid_net; /* mask or 128 */
79 int pfid_acnt4; /* address count IPv4 */
80 int pfid_acnt6; /* address count IPv6 */
81 sa_family_t pfid_af; /* rule af */
82 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
86 * Address manipulation macros
88 #define HTONL(x) (x) = htonl((__uint32_t)(x))
89 #define HTONS(x) (x) = htons((__uint16_t)(x))
90 #define NTOHL(x) (x) = ntohl((__uint32_t)(x))
91 #define NTOHS(x) (x) = ntohs((__uint16_t)(x))
95 #define PF_HASHROW_ASSERT(h) mtx_assert(&(h)->lock, MA_OWNED)
96 #define PF_HASHROW_LOCK(h) mtx_lock(&(h)->lock)
97 #define PF_HASHROW_UNLOCK(h) mtx_unlock(&(h)->lock)
99 #define PF_STATE_LOCK(s) \
101 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \
102 PF_HASHROW_LOCK(_ih); \
105 #define PF_STATE_UNLOCK(s) \
107 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH((s))]; \
108 PF_HASHROW_UNLOCK(_ih); \
112 #define PF_STATE_LOCK_ASSERT(s) \
114 struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \
115 PF_HASHROW_ASSERT(_ih); \
117 #else /* !INVARIANTS */
118 #define PF_STATE_LOCK_ASSERT(s) do {} while (0)
119 #endif /* INVARIANTS */
121 extern struct mtx pf_unlnkdrules_mtx;
122 #define PF_UNLNKDRULES_LOCK() mtx_lock(&pf_unlnkdrules_mtx)
123 #define PF_UNLNKDRULES_UNLOCK() mtx_unlock(&pf_unlnkdrules_mtx)
125 extern struct rmlock pf_rules_lock;
126 #define PF_RULES_RLOCK_TRACKER struct rm_priotracker _pf_rules_tracker
127 #define PF_RULES_RLOCK() rm_rlock(&pf_rules_lock, &_pf_rules_tracker)
128 #define PF_RULES_RUNLOCK() rm_runlock(&pf_rules_lock, &_pf_rules_tracker)
129 #define PF_RULES_WLOCK() rm_wlock(&pf_rules_lock)
130 #define PF_RULES_WUNLOCK() rm_wunlock(&pf_rules_lock)
131 #define PF_RULES_ASSERT() rm_assert(&pf_rules_lock, RA_LOCKED)
132 #define PF_RULES_RASSERT() rm_assert(&pf_rules_lock, RA_RLOCKED)
133 #define PF_RULES_WASSERT() rm_assert(&pf_rules_lock, RA_WLOCKED)
135 extern struct sx pf_end_lock;
138 #define PFLOG_MODVER 1
139 #define PFSYNC_MODVER 1
141 #define PFLOG_MINVER 1
142 #define PFLOG_PREFVER PFLOG_MODVER
143 #define PFLOG_MAXVER 1
144 #define PFSYNC_MINVER 1
145 #define PFSYNC_PREFVER PFSYNC_MODVER
146 #define PFSYNC_MAXVER 1
156 #define PF_INET6_ONLY
162 #define PF_INET_INET6
168 #define PF_INET_INET6
172 /* Both IPv4 and IPv6 */
175 #define PF_AEQ(a, b, c) \
176 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
177 (c == AF_INET6 && (a)->addr32[3] == (b)->addr32[3] && \
178 (a)->addr32[2] == (b)->addr32[2] && \
179 (a)->addr32[1] == (b)->addr32[1] && \
180 (a)->addr32[0] == (b)->addr32[0])) \
182 #define PF_ANEQ(a, b, c) \
183 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
184 (c == AF_INET6 && ((a)->addr32[0] != (b)->addr32[0] || \
185 (a)->addr32[1] != (b)->addr32[1] || \
186 (a)->addr32[2] != (b)->addr32[2] || \
187 (a)->addr32[3] != (b)->addr32[3]))) \
189 #define PF_AZERO(a, c) \
190 ((c == AF_INET && !(a)->addr32[0]) || \
191 (c == AF_INET6 && !(a)->addr32[0] && !(a)->addr32[1] && \
192 !(a)->addr32[2] && !(a)->addr32[3] )) \
194 #define PF_MATCHA(n, a, m, b, f) \
195 pf_match_addr(n, a, m, b, f)
197 #define PF_ACPY(a, b, f) \
200 #define PF_AINC(a, f) \
203 #define PF_POOLMASK(a, b, c, d, f) \
204 pf_poolmask(a, b, c, d, f)
212 #define PF_AEQ(a, b, c) \
213 ((a)->addr32[3] == (b)->addr32[3] && \
214 (a)->addr32[2] == (b)->addr32[2] && \
215 (a)->addr32[1] == (b)->addr32[1] && \
216 (a)->addr32[0] == (b)->addr32[0]) \
218 #define PF_ANEQ(a, b, c) \
219 ((a)->addr32[3] != (b)->addr32[3] || \
220 (a)->addr32[2] != (b)->addr32[2] || \
221 (a)->addr32[1] != (b)->addr32[1] || \
222 (a)->addr32[0] != (b)->addr32[0]) \
224 #define PF_AZERO(a, c) \
225 (!(a)->addr32[0] && \
230 #define PF_MATCHA(n, a, m, b, f) \
231 pf_match_addr(n, a, m, b, f)
233 #define PF_ACPY(a, b, f) \
236 #define PF_AINC(a, f) \
239 #define PF_POOLMASK(a, b, c, d, f) \
240 pf_poolmask(a, b, c, d, f)
247 #define PF_AEQ(a, b, c) \
248 ((a)->addr32[0] == (b)->addr32[0])
250 #define PF_ANEQ(a, b, c) \
251 ((a)->addr32[0] != (b)->addr32[0])
253 #define PF_AZERO(a, c) \
256 #define PF_MATCHA(n, a, m, b, f) \
257 pf_match_addr(n, a, m, b, f)
259 #define PF_ACPY(a, b, f) \
260 (a)->v4.s_addr = (b)->v4.s_addr
262 #define PF_AINC(a, f) \
264 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
267 #define PF_POOLMASK(a, b, c, d, f) \
269 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
270 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
273 #endif /* PF_INET_ONLY */
274 #endif /* PF_INET6_ONLY */
275 #endif /* PF_INET_INET6 */
278 * XXX callers not FIB-aware in our version of pf yet.
279 * OpenBSD fixed it later it seems, 2010/05/07 13:33:16 claudio.
281 #define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \
283 (((aw)->type == PF_ADDR_NOROUTE && \
284 pf_routable((x), (af), NULL, (rtid))) || \
285 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
286 pf_routable((x), (af), (ifp), (rtid))) || \
287 ((aw)->type == PF_ADDR_TABLE && \
288 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
289 ((aw)->type == PF_ADDR_DYNIFTL && \
290 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
291 ((aw)->type == PF_ADDR_RANGE && \
292 !pf_match_addr_range(&(aw)->v.a.addr, \
293 &(aw)->v.a.mask, (x), (af))) || \
294 ((aw)->type == PF_ADDR_ADDRMASK && \
295 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
296 !PF_MATCHA(0, &(aw)->v.a.addr, \
297 &(aw)->v.a.mask, (x), (af))))) != \
301 #define PF_ALGNMNT(off) (((off) % 2) == 0)
305 struct pf_kpooladdr {
306 struct pf_addr_wrap addr;
307 TAILQ_ENTRY(pf_kpooladdr) entries;
308 char ifname[IFNAMSIZ];
309 struct pfi_kkif *kif;
312 TAILQ_HEAD(pf_kpalist, pf_kpooladdr);
315 struct pf_kpalist list;
316 struct pf_kpooladdr *cur;
317 struct pf_poolhashkey key;
318 struct pf_addr counter;
319 struct pf_mape_portset mape;
321 u_int16_t proxy_port[2];
326 struct pf_krule *ptr;
331 struct pf_rule_addr src;
332 struct pf_rule_addr dst;
333 union pf_krule_ptr skip[PF_SKIP_COUNT];
334 char label[PF_RULE_MAX_LABEL_COUNT][PF_RULE_LABEL_SIZE];
335 char ifname[IFNAMSIZ];
336 char qname[PF_QNAME_SIZE];
337 char pqname[PF_QNAME_SIZE];
338 char tagname[PF_TAG_NAME_SIZE];
339 char match_tagname[PF_TAG_NAME_SIZE];
341 char overload_tblname[PF_TABLE_NAME_SIZE];
343 TAILQ_ENTRY(pf_krule) entries;
344 struct pf_kpool rpool;
346 counter_u64_t evaluations;
347 counter_u64_t packets[2];
348 counter_u64_t bytes[2];
350 struct pfi_kkif *kif;
351 struct pf_kanchor *anchor;
352 struct pfr_ktable *overload_tbl;
354 pf_osfp_t os_fingerprint;
357 u_int32_t timeout[PFTM_MAX];
358 u_int32_t max_states;
359 u_int32_t max_src_nodes;
360 u_int32_t max_src_states;
361 u_int32_t max_src_conn;
373 counter_u64_t states_cur;
374 counter_u64_t states_tot;
375 counter_u64_t src_nodes;
377 u_int16_t return_icmp;
378 u_int16_t return_icmp6;
382 u_int16_t scrub_flags;
384 struct pf_rule_uid uid;
385 struct pf_rule_gid gid;
395 u_int8_t match_tag_not;
411 u_int8_t anchor_relative;
412 u_int8_t anchor_wildcard;
416 u_int8_t set_prio[2];
424 struct pf_ksrc_node {
425 LIST_ENTRY(pf_ksrc_node) entry;
427 struct pf_addr raddr;
428 union pf_krule_ptr rule;
429 struct pfi_kkif *kif;
430 counter_u64_t bytes[2];
431 counter_u64_t packets[2];
434 struct pf_threshold conn_rate;
442 struct pf_state_scrub {
443 struct timeval pfss_last; /* time received last packet */
444 u_int32_t pfss_tsecr; /* last echoed timestamp */
445 u_int32_t pfss_tsval; /* largest timestamp */
446 u_int32_t pfss_tsval0; /* original timestamp */
447 u_int16_t pfss_flags;
448 #define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
449 #define PFSS_PAWS 0x0010 /* stricter PAWS checks */
450 #define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
451 #define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
452 #define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
453 u_int8_t pfss_ttl; /* stashed TTL */
455 u_int32_t pfss_ts_mod; /* timestamp modulation */
458 struct pf_state_host {
464 struct pf_state_peer {
465 struct pf_state_scrub *scrub; /* state is scrubbed */
466 u_int32_t seqlo; /* Max sequence number sent */
467 u_int32_t seqhi; /* Max the other end ACKd + win */
468 u_int32_t seqdiff; /* Sequence number modulator */
469 u_int16_t max_win; /* largest window (pre scaling) */
470 u_int16_t mss; /* Maximum segment size option */
471 u_int8_t state; /* active state level */
472 u_int8_t wscale; /* window scaling factor */
473 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
477 /* Keep synced with struct pf_state_key. */
478 struct pf_state_key_cmp {
479 struct pf_addr addr[2];
486 struct pf_state_key {
487 struct pf_addr addr[2];
493 LIST_ENTRY(pf_state_key) entry;
494 TAILQ_HEAD(, pf_state) states[2];
497 /* Keep synced with struct pf_state. */
498 struct pf_state_cmp {
505 #define PFSTATE_ALLOWOPTS 0x01
506 #define PFSTATE_SLOPPY 0x02
507 /* was PFSTATE_PFLOW 0x04 */
508 #define PFSTATE_NOSYNC 0x08
509 #define PFSTATE_ACK 0x10
510 #define PFSTATE_SETPRIO 0x0200
511 #define PFSTATE_SETMASK (PFSTATE_SETPRIO)
521 TAILQ_ENTRY(pf_state) sync_list;
522 TAILQ_ENTRY(pf_state) key_list[2];
523 LIST_ENTRY(pf_state) entry;
524 struct pf_state_peer src;
525 struct pf_state_peer dst;
526 union pf_krule_ptr rule;
527 union pf_krule_ptr anchor;
528 union pf_krule_ptr nat_rule;
529 struct pf_addr rt_addr;
530 struct pf_state_key *key[2]; /* addresses stack and wire */
531 struct pfi_kkif *kif;
532 struct pfi_kkif *orig_kif; /* The real kif, even if we're a floating state (i.e. if == V_pfi_all). */
533 struct pfi_kkif *rt_kif;
534 struct pf_ksrc_node *src_node;
535 struct pf_ksrc_node *nat_src_node;
536 counter_u64_t packets[2];
537 counter_u64_t bytes[2];
540 u_int32_t pfsync_time;
543 u_int8_t state_flags;
545 u_int8_t sync_state; /* PFSYNC_S_x */
548 u_int8_t sync_updates;
554 * Unified state structures for pulling states out of the kernel
555 * used by pfsync(4) and the pf(4) ioctl.
557 struct pfsync_state_scrub {
558 u_int16_t pfss_flags;
559 u_int8_t pfss_ttl; /* stashed TTL */
560 #define PFSYNC_SCRUB_FLAG_VALID 0x01
562 u_int32_t pfss_ts_mod; /* timestamp modulation */
565 struct pfsync_state_peer {
566 struct pfsync_state_scrub scrub; /* state is scrubbed */
567 u_int32_t seqlo; /* Max sequence number sent */
568 u_int32_t seqhi; /* Max the other end ACKd + win */
569 u_int32_t seqdiff; /* Sequence number modulator */
570 u_int16_t max_win; /* largest window (pre scaling) */
571 u_int16_t mss; /* Maximum segment size option */
572 u_int8_t state; /* active state level */
573 u_int8_t wscale; /* window scaling factor */
577 struct pfsync_state_key {
578 struct pf_addr addr[2];
582 struct pfsync_state {
584 char ifname[IFNAMSIZ];
585 struct pfsync_state_key key[2];
586 struct pfsync_state_peer src;
587 struct pfsync_state_peer dst;
588 struct pf_addr rt_addr;
594 u_int32_t packets[2][2];
595 u_int32_t bytes[2][2];
602 u_int8_t state_flags;
610 typedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t);
611 typedef void pfsync_insert_state_t(struct pf_state *);
612 typedef void pfsync_update_state_t(struct pf_state *);
613 typedef void pfsync_delete_state_t(struct pf_state *);
614 typedef void pfsync_clear_states_t(u_int32_t, const char *);
615 typedef int pfsync_defer_t(struct pf_state *, struct mbuf *);
616 typedef void pfsync_detach_ifnet_t(struct ifnet *);
618 VNET_DECLARE(pfsync_state_import_t *, pfsync_state_import_ptr);
619 #define V_pfsync_state_import_ptr VNET(pfsync_state_import_ptr)
620 VNET_DECLARE(pfsync_insert_state_t *, pfsync_insert_state_ptr);
621 #define V_pfsync_insert_state_ptr VNET(pfsync_insert_state_ptr)
622 VNET_DECLARE(pfsync_update_state_t *, pfsync_update_state_ptr);
623 #define V_pfsync_update_state_ptr VNET(pfsync_update_state_ptr)
624 VNET_DECLARE(pfsync_delete_state_t *, pfsync_delete_state_ptr);
625 #define V_pfsync_delete_state_ptr VNET(pfsync_delete_state_ptr)
626 VNET_DECLARE(pfsync_clear_states_t *, pfsync_clear_states_ptr);
627 #define V_pfsync_clear_states_ptr VNET(pfsync_clear_states_ptr)
628 VNET_DECLARE(pfsync_defer_t *, pfsync_defer_ptr);
629 #define V_pfsync_defer_ptr VNET(pfsync_defer_ptr)
630 extern pfsync_detach_ifnet_t *pfsync_detach_ifnet_ptr;
632 void pfsync_state_export(struct pfsync_state *,
638 typedef int pflog_packet_t(struct pfi_kkif *, struct mbuf *, sa_family_t,
639 u_int8_t, u_int8_t, struct pf_krule *, struct pf_krule *,
640 struct pf_kruleset *, struct pf_pdesc *, int);
641 extern pflog_packet_t *pflog_packet_ptr;
645 #define PFSYNC_FLAG_SRCNODE 0x04
646 #define PFSYNC_FLAG_NATSRCNODE 0x08
648 /* for copies to/from network byte order */
649 /* ioctl interface also uses network byte order */
650 #define pf_state_peer_hton(s,d) do { \
651 (d)->seqlo = htonl((s)->seqlo); \
652 (d)->seqhi = htonl((s)->seqhi); \
653 (d)->seqdiff = htonl((s)->seqdiff); \
654 (d)->max_win = htons((s)->max_win); \
655 (d)->mss = htons((s)->mss); \
656 (d)->state = (s)->state; \
657 (d)->wscale = (s)->wscale; \
659 (d)->scrub.pfss_flags = \
660 htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \
661 (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \
662 (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\
663 (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \
667 #define pf_state_peer_ntoh(s,d) do { \
668 (d)->seqlo = ntohl((s)->seqlo); \
669 (d)->seqhi = ntohl((s)->seqhi); \
670 (d)->seqdiff = ntohl((s)->seqdiff); \
671 (d)->max_win = ntohs((s)->max_win); \
672 (d)->mss = ntohs((s)->mss); \
673 (d)->state = (s)->state; \
674 (d)->wscale = (s)->wscale; \
675 if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \
676 (d)->scrub != NULL) { \
677 (d)->scrub->pfss_flags = \
678 ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \
679 (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \
680 (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\
684 #define pf_state_counter_hton(s,d) do { \
685 d[0] = htonl((s>>32)&0xffffffff); \
686 d[1] = htonl(s&0xffffffff); \
689 #define pf_state_counter_from_pfsync(s) \
690 (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1]))
692 #define pf_state_counter_ntoh(s,d) do { \
698 TAILQ_HEAD(pf_krulequeue, pf_krule);
704 struct pf_krulequeue queues[2];
706 struct pf_krulequeue *ptr;
707 struct pf_krule **ptr_array;
712 } rules[PF_RULESET_MAX];
713 struct pf_kanchor *anchor;
719 RB_HEAD(pf_kanchor_global, pf_kanchor);
720 RB_HEAD(pf_kanchor_node, pf_kanchor);
722 RB_ENTRY(pf_kanchor) entry_global;
723 RB_ENTRY(pf_kanchor) entry_node;
724 struct pf_kanchor *parent;
725 struct pf_kanchor_node children;
726 char name[PF_ANCHOR_NAME_SIZE];
727 char path[MAXPATHLEN];
728 struct pf_kruleset ruleset;
729 int refcnt; /* anchor rules */
730 int match; /* XXX: used for pfctl black magic */
732 RB_PROTOTYPE(pf_kanchor_global, pf_kanchor, entry_global, pf_anchor_compare);
733 RB_PROTOTYPE(pf_kanchor_node, pf_kanchor, entry_node, pf_kanchor_compare);
735 #define PF_RESERVED_ANCHOR "_pf"
737 #define PFR_TFLAG_PERSIST 0x00000001
738 #define PFR_TFLAG_CONST 0x00000002
739 #define PFR_TFLAG_ACTIVE 0x00000004
740 #define PFR_TFLAG_INACTIVE 0x00000008
741 #define PFR_TFLAG_REFERENCED 0x00000010
742 #define PFR_TFLAG_REFDANCHOR 0x00000020
743 #define PFR_TFLAG_COUNTERS 0x00000040
744 /* Adjust masks below when adding flags. */
745 #define PFR_TFLAG_USRMASK (PFR_TFLAG_PERSIST | \
748 #define PFR_TFLAG_SETMASK (PFR_TFLAG_ACTIVE | \
749 PFR_TFLAG_INACTIVE | \
750 PFR_TFLAG_REFERENCED | \
751 PFR_TFLAG_REFDANCHOR)
752 #define PFR_TFLAG_ALLMASK (PFR_TFLAG_PERSIST | \
755 PFR_TFLAG_INACTIVE | \
756 PFR_TFLAG_REFERENCED | \
757 PFR_TFLAG_REFDANCHOR | \
760 struct pf_kanchor_stackframe;
763 char pfrt_anchor[MAXPATHLEN];
764 char pfrt_name[PF_TABLE_NAME_SIZE];
765 u_int32_t pfrt_flags;
769 enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
770 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
771 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX };
775 struct in_addr _pfra_ip4addr;
776 struct in6_addr _pfra_ip6addr;
783 #define pfra_ip4addr pfra_u._pfra_ip4addr
784 #define pfra_ip6addr pfra_u._pfra_ip6addr
786 enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
787 enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
788 enum { PFR_TYPE_PACKETS, PFR_TYPE_BYTES, PFR_TYPE_MAX };
789 #define PFR_NUM_COUNTERS (PFR_DIR_MAX * PFR_OP_ADDR_MAX * PFR_TYPE_MAX)
790 #define PFR_OP_XPASS PFR_OP_ADDR_MAX
793 struct pfr_addr pfras_a;
794 u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
795 u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
799 enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
802 struct pfr_table pfrts_t;
803 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
804 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
805 u_int64_t pfrts_match;
806 u_int64_t pfrts_nomatch;
809 int pfrts_refcnt[PFR_REFCNT_MAX];
813 struct pfr_table pfrts_t;
814 counter_u64_t pfrkts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
815 counter_u64_t pfrkts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
816 counter_u64_t pfrkts_match;
817 counter_u64_t pfrkts_nomatch;
820 int pfrkts_refcnt[PFR_REFCNT_MAX];
822 #define pfrts_name pfrts_t.pfrt_name
823 #define pfrts_flags pfrts_t.pfrt_flags
825 #ifndef _SOCKADDR_UNION_DEFINED
826 #define _SOCKADDR_UNION_DEFINED
827 union sockaddr_union {
829 struct sockaddr_in sin;
830 struct sockaddr_in6 sin6;
832 #endif /* _SOCKADDR_UNION_DEFINED */
834 struct pfr_kcounters {
835 counter_u64_t pfrkc_counters;
838 #define pfr_kentry_counter(kc, dir, op, t) \
839 ((kc)->pfrkc_counters + \
840 (dir) * PFR_OP_ADDR_MAX * PFR_TYPE_MAX + (op) * PFR_TYPE_MAX + (t))
843 SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
845 struct radix_node pfrke_node[2];
846 union sockaddr_union pfrke_sa;
847 SLIST_ENTRY(pfr_kentry) pfrke_workq;
848 struct pfr_kcounters pfrke_counters;
855 SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
856 RB_HEAD(pfr_ktablehead, pfr_ktable);
858 struct pfr_ktstats pfrkt_kts;
859 RB_ENTRY(pfr_ktable) pfrkt_tree;
860 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
861 struct radix_node_head *pfrkt_ip4;
862 struct radix_node_head *pfrkt_ip6;
863 struct pfr_ktable *pfrkt_shadow;
864 struct pfr_ktable *pfrkt_root;
865 struct pf_kruleset *pfrkt_rs;
869 #define pfrkt_t pfrkt_kts.pfrts_t
870 #define pfrkt_name pfrkt_t.pfrt_name
871 #define pfrkt_anchor pfrkt_t.pfrt_anchor
872 #define pfrkt_ruleset pfrkt_t.pfrt_ruleset
873 #define pfrkt_flags pfrkt_t.pfrt_flags
874 #define pfrkt_cnt pfrkt_kts.pfrkts_cnt
875 #define pfrkt_refcnt pfrkt_kts.pfrkts_refcnt
876 #define pfrkt_packets pfrkt_kts.pfrkts_packets
877 #define pfrkt_bytes pfrkt_kts.pfrkts_bytes
878 #define pfrkt_match pfrkt_kts.pfrkts_match
879 #define pfrkt_nomatch pfrkt_kts.pfrkts_nomatch
880 #define pfrkt_tzero pfrkt_kts.pfrkts_tzero
885 char pfik_name[IFNAMSIZ];
887 RB_ENTRY(pfi_kkif) _pfik_tree;
888 LIST_ENTRY(pfi_kkif) _pfik_list;
890 #define pfik_tree _pfik_glue._pfik_tree
891 #define pfik_list _pfik_glue._pfik_list
892 counter_u64_t pfik_packets[2][2][2];
893 counter_u64_t pfik_bytes[2][2][2];
894 u_int32_t pfik_tzero;
896 struct ifnet *pfik_ifp;
897 struct ifg_group *pfik_group;
899 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
903 #define PFI_IFLAG_REFS 0x0001 /* has state references */
904 #define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
913 u_int64_t tot_len; /* Make Mickey money */
919 struct icmp6_hdr icmp6;
924 struct pf_krule *nat_rule; /* nat/rdr rule applied to packet */
925 struct pf_addr *src; /* src address */
926 struct pf_addr *dst; /* dst address */
929 struct pf_mtag *pf_mtag;
931 u_int32_t p_len; /* total length of payload */
934 u_int16_t *proto_sum;
935 u_int16_t flags; /* Let SCRUB trigger behavior in
936 * state code. Easier than tags */
937 #define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
938 #define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
942 u_int8_t dir; /* direction */
943 u_int8_t sidx; /* key index for source */
944 u_int8_t didx; /* key index for destination */
948 /* flags for RDR options */
949 #define PF_DPORT_RANGE 0x01 /* Dest port uses range */
950 #define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
952 /* UDP state enumeration */
953 #define PFUDPS_NO_TRAFFIC 0
954 #define PFUDPS_SINGLE 1
955 #define PFUDPS_MULTIPLE 2
957 #define PFUDPS_NSTATES 3 /* number of state levels */
959 #define PFUDPS_NAMES { \
966 /* Other protocol state enumeration */
967 #define PFOTHERS_NO_TRAFFIC 0
968 #define PFOTHERS_SINGLE 1
969 #define PFOTHERS_MULTIPLE 2
971 #define PFOTHERS_NSTATES 3 /* number of state levels */
973 #define PFOTHERS_NAMES { \
980 #define ACTION_SET(a, x) \
986 #define REASON_SET(a, x) \
991 counter_u64_add(V_pf_status.counters[x], 1); \
995 counter_u64_t counters[PFRES_MAX]; /* reason for passing/dropping */
996 counter_u64_t lcounters[LCNT_MAX]; /* limit counters */
997 counter_u64_t fcounters[FCNT_MAX]; /* state operation counters */
998 counter_u64_t scounters[SCNT_MAX]; /* src_node operation counters */
1005 char ifname[IFNAMSIZ];
1006 uint8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
1012 struct in_addr ipv4;
1013 struct in6_addr ipv6;
1018 #define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1019 #define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1022 * Limit the length of the fragment queue traversal. Remember
1023 * search entry points based on the fragment offset.
1025 #define PF_FRAG_ENTRY_POINTS 16
1028 * The number of entries in the fragment queue must be limited
1029 * to avoid DoS by linear seaching. Instead of a global limit,
1030 * use a limit per entry point. For large packets these sum up.
1032 #define PF_FRAG_ENTRY_LIMIT 64
1035 * ioctl parameter structures
1038 struct pfioc_pooladdr {
1046 char anchor[MAXPATHLEN];
1047 struct pf_pooladdr addr;
1053 u_int32_t pool_ticket;
1055 char anchor[MAXPATHLEN];
1056 char anchor_call[MAXPATHLEN];
1057 struct pf_rule rule;
1060 struct pfioc_natlook {
1061 struct pf_addr saddr;
1062 struct pf_addr daddr;
1063 struct pf_addr rsaddr;
1064 struct pf_addr rdaddr;
1074 struct pfioc_state {
1075 struct pfsync_state state;
1078 struct pfioc_src_node_kill {
1079 sa_family_t psnk_af;
1080 struct pf_rule_addr psnk_src;
1081 struct pf_rule_addr psnk_dst;
1086 struct pf_kstate_kill {
1087 struct pf_state_cmp psk_pfcmp;
1090 struct pf_rule_addr psk_src;
1091 struct pf_rule_addr psk_dst;
1092 struct pf_rule_addr psk_rt_addr;
1093 char psk_ifname[IFNAMSIZ];
1094 char psk_label[PF_RULE_LABEL_SIZE];
1096 bool psk_kill_match;
1100 struct pfioc_state_kill {
1101 struct pf_state_cmp psk_pfcmp;
1104 struct pf_rule_addr psk_src;
1105 struct pf_rule_addr psk_dst;
1106 char psk_ifname[IFNAMSIZ];
1107 char psk_label[PF_RULE_LABEL_SIZE];
1111 struct pfioc_states {
1115 struct pfsync_state *psu_states;
1117 #define ps_buf ps_u.psu_buf
1118 #define ps_states ps_u.psu_states
1121 struct pfioc_src_nodes {
1125 struct pf_src_node *psu_src_nodes;
1127 #define psn_buf psn_u.psu_buf
1128 #define psn_src_nodes psn_u.psu_src_nodes
1132 char ifname[IFNAMSIZ];
1140 struct pfioc_limit {
1145 struct pfioc_altq_v0 {
1149 struct pf_altq_v0 altq;
1152 struct pfioc_altq_v1 {
1157 * Placed here so code that only uses the above parameters can be
1158 * written entirely in terms of the v0 or v1 type.
1161 struct pf_altq_v1 altq;
1165 * Latest version of struct pfioc_altq_vX. This must move in lock-step with
1166 * the latest version of struct pf_altq_vX as it has that struct as a
1169 #define PFIOC_ALTQ_VERSION PF_ALTQ_VERSION
1171 struct pfioc_qstats_v0 {
1179 struct pfioc_qstats_v1 {
1186 * Placed here so code that only uses the above parameters can be
1187 * written entirely in terms of the v0 or v1 type.
1189 u_int32_t version; /* Requested version of stats struct */
1192 /* Latest version of struct pfioc_qstats_vX */
1193 #define PFIOC_QSTATS_VERSION 1
1195 struct pfioc_ruleset {
1197 char path[MAXPATHLEN];
1198 char name[PF_ANCHOR_NAME_SIZE];
1201 #define PF_RULESET_ALTQ (PF_RULESET_MAX)
1202 #define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1203 struct pfioc_trans {
1204 int size; /* number of elements */
1205 int esize; /* size of each element in bytes */
1206 struct pfioc_trans_e {
1208 char anchor[MAXPATHLEN];
1213 #define PFR_FLAG_ATOMIC 0x00000001 /* unused */
1214 #define PFR_FLAG_DUMMY 0x00000002
1215 #define PFR_FLAG_FEEDBACK 0x00000004
1216 #define PFR_FLAG_CLSTATS 0x00000008
1217 #define PFR_FLAG_ADDRSTOO 0x00000010
1218 #define PFR_FLAG_REPLACE 0x00000020
1219 #define PFR_FLAG_ALLRSETS 0x00000040
1220 #define PFR_FLAG_ALLMASK 0x0000007F
1222 #define PFR_FLAG_USERIOCTL 0x10000000
1225 struct pfioc_table {
1226 struct pfr_table pfrio_table;
1235 u_int32_t pfrio_ticket;
1237 #define pfrio_exists pfrio_nadd
1238 #define pfrio_nzero pfrio_nadd
1239 #define pfrio_nmatch pfrio_nadd
1240 #define pfrio_naddr pfrio_size2
1241 #define pfrio_setflag pfrio_size2
1242 #define pfrio_clrflag pfrio_nadd
1244 struct pfioc_iface {
1245 char pfiio_name[IFNAMSIZ];
1257 #define DIOCSTART _IO ('D', 1)
1258 #define DIOCSTOP _IO ('D', 2)
1259 #define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1260 #define DIOCADDRULENV _IOWR('D', 4, struct pfioc_nv)
1261 #define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1262 #define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1263 #define DIOCGETRULENV _IOWR('D', 7, struct pfioc_nv)
1264 /* XXX cut 8 - 17 */
1265 #define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1266 #define DIOCCLRSTATESNV _IOWR('D', 18, struct pfioc_nv)
1267 #define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1268 #define DIOCGETSTATENV _IOWR('D', 19, struct pfioc_nv)
1269 #define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1270 #define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1271 #define DIOCCLRSTATUS _IO ('D', 22)
1272 #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
1273 #define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
1274 #define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
1275 #define DIOCGETSTATESNV _IOWR('D', 25, struct pfioc_nv)
1276 #define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
1277 /* XXX cut 26 - 28 */
1278 #define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
1279 #define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1280 #define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1281 #define DIOCCLRRULECTRS _IO ('D', 38)
1282 #define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1283 #define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1284 #define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1285 #define DIOCKILLSTATESNV _IOWR('D', 41, struct pfioc_nv)
1286 #define DIOCSTARTALTQ _IO ('D', 42)
1287 #define DIOCSTOPALTQ _IO ('D', 43)
1288 #define DIOCADDALTQV0 _IOWR('D', 45, struct pfioc_altq_v0)
1289 #define DIOCADDALTQV1 _IOWR('D', 45, struct pfioc_altq_v1)
1290 #define DIOCGETALTQSV0 _IOWR('D', 47, struct pfioc_altq_v0)
1291 #define DIOCGETALTQSV1 _IOWR('D', 47, struct pfioc_altq_v1)
1292 #define DIOCGETALTQV0 _IOWR('D', 48, struct pfioc_altq_v0)
1293 #define DIOCGETALTQV1 _IOWR('D', 48, struct pfioc_altq_v1)
1294 #define DIOCCHANGEALTQV0 _IOWR('D', 49, struct pfioc_altq_v0)
1295 #define DIOCCHANGEALTQV1 _IOWR('D', 49, struct pfioc_altq_v1)
1296 #define DIOCGETQSTATSV0 _IOWR('D', 50, struct pfioc_qstats_v0)
1297 #define DIOCGETQSTATSV1 _IOWR('D', 50, struct pfioc_qstats_v1)
1298 #define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1299 #define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1300 #define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1301 #define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1302 #define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1303 /* XXX cut 55 - 57 */
1304 #define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1305 #define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1306 #define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1307 #define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1308 #define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1309 #define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1310 #define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1311 #define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1312 #define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1313 #define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1314 #define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1315 #define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1316 #define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1317 #define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1318 #define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1319 #define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1320 #define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1321 #define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1322 #define DIOCOSFPFLUSH _IO('D', 78)
1323 #define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1324 #define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1325 #define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1326 #define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1327 #define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1328 #define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1329 #define DIOCCLRSRCNODES _IO('D', 85)
1330 #define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1331 #define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1332 #define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1333 #define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1334 #define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
1335 #define DIOCKEEPCOUNTERS _IOWR('D', 92, struct pfioc_nv)
1337 struct pf_ifspeed_v0 {
1338 char ifname[IFNAMSIZ];
1342 struct pf_ifspeed_v1 {
1343 char ifname[IFNAMSIZ];
1344 u_int32_t baudrate32;
1345 /* layout identical to struct pf_ifspeed_v0 up to this point */
1349 /* Latest version of struct pf_ifspeed_vX */
1350 #define PF_IFSPEED_VERSION 1
1352 #define DIOCGIFSPEEDV0 _IOWR('D', 92, struct pf_ifspeed_v0)
1353 #define DIOCGIFSPEEDV1 _IOWR('D', 92, struct pf_ifspeed_v1)
1356 * Compatibility and convenience macros
1359 #ifdef PFIOC_USE_LATEST
1361 * Maintaining in-tree consumers of the ioctl interface is easier when that
1362 * code can be written in terms old names that refer to the latest interface
1363 * version as that reduces the required changes in the consumers to those
1364 * that are functionally necessary to accommodate a new interface version.
1366 #define pfioc_altq __CONCAT(pfioc_altq_v, PFIOC_ALTQ_VERSION)
1367 #define pfioc_qstats __CONCAT(pfioc_qstats_v, PFIOC_QSTATS_VERSION)
1368 #define pf_ifspeed __CONCAT(pf_ifspeed_v, PF_IFSPEED_VERSION)
1370 #define DIOCADDALTQ __CONCAT(DIOCADDALTQV, PFIOC_ALTQ_VERSION)
1371 #define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, PFIOC_ALTQ_VERSION)
1372 #define DIOCGETALTQ __CONCAT(DIOCGETALTQV, PFIOC_ALTQ_VERSION)
1373 #define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, PFIOC_ALTQ_VERSION)
1374 #define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, PFIOC_QSTATS_VERSION)
1375 #define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, PF_IFSPEED_VERSION)
1378 * When building out-of-tree code that is written for the old interface,
1379 * such as may exist in ports for example, resolve the old struct tags and
1380 * ioctl command names to the v0 versions.
1382 #define pfioc_altq __CONCAT(pfioc_altq_v, 0)
1383 #define pfioc_qstats __CONCAT(pfioc_qstats_v, 0)
1384 #define pf_ifspeed __CONCAT(pf_ifspeed_v, 0)
1386 #define DIOCADDALTQ __CONCAT(DIOCADDALTQV, 0)
1387 #define DIOCGETALTQS __CONCAT(DIOCGETALTQSV, 0)
1388 #define DIOCGETALTQ __CONCAT(DIOCGETALTQV, 0)
1389 #define DIOCCHANGEALTQ __CONCAT(DIOCCHANGEALTQV, 0)
1390 #define DIOCGETQSTATS __CONCAT(DIOCGETQSTATSV, 0)
1391 #define DIOCGIFSPEED __CONCAT(DIOCGIFSPEEDV, 0)
1392 #endif /* PFIOC_USE_LATEST */
1393 #endif /* _KERNEL */
1396 LIST_HEAD(pf_ksrc_node_list, pf_ksrc_node);
1398 struct pf_ksrc_node_list nodes;
1403 LIST_HEAD(, pf_state_key) keys;
1408 LIST_HEAD(, pf_state) states;
1412 extern u_long pf_hashmask;
1413 extern u_long pf_srchashmask;
1414 #define PF_HASHSIZ (131072)
1415 #define PF_SRCHASHSIZ (PF_HASHSIZ/4)
1416 VNET_DECLARE(struct pf_keyhash *, pf_keyhash);
1417 VNET_DECLARE(struct pf_idhash *, pf_idhash);
1418 #define V_pf_keyhash VNET(pf_keyhash)
1419 #define V_pf_idhash VNET(pf_idhash)
1420 VNET_DECLARE(struct pf_srchash *, pf_srchash);
1421 #define V_pf_srchash VNET(pf_srchash)
1423 #define PF_IDHASH(s) (be64toh((s)->id) % (pf_hashmask + 1))
1425 VNET_DECLARE(void *, pf_swi_cookie);
1426 #define V_pf_swi_cookie VNET(pf_swi_cookie)
1427 VNET_DECLARE(struct intr_event *, pf_swi_ie);
1428 #define V_pf_swi_ie VNET(pf_swi_ie)
1430 VNET_DECLARE(uint64_t, pf_stateid[MAXCPU]);
1431 #define V_pf_stateid VNET(pf_stateid)
1433 TAILQ_HEAD(pf_altqqueue, pf_altq);
1434 VNET_DECLARE(struct pf_altqqueue, pf_altqs[4]);
1435 #define V_pf_altqs VNET(pf_altqs)
1436 VNET_DECLARE(struct pf_kpalist, pf_pabuf);
1437 #define V_pf_pabuf VNET(pf_pabuf)
1439 VNET_DECLARE(u_int32_t, ticket_altqs_active);
1440 #define V_ticket_altqs_active VNET(ticket_altqs_active)
1441 VNET_DECLARE(u_int32_t, ticket_altqs_inactive);
1442 #define V_ticket_altqs_inactive VNET(ticket_altqs_inactive)
1443 VNET_DECLARE(int, altqs_inactive_open);
1444 #define V_altqs_inactive_open VNET(altqs_inactive_open)
1445 VNET_DECLARE(u_int32_t, ticket_pabuf);
1446 #define V_ticket_pabuf VNET(ticket_pabuf)
1447 VNET_DECLARE(struct pf_altqqueue *, pf_altqs_active);
1448 #define V_pf_altqs_active VNET(pf_altqs_active)
1449 VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_active);
1450 #define V_pf_altq_ifs_active VNET(pf_altq_ifs_active)
1451 VNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive);
1452 #define V_pf_altqs_inactive VNET(pf_altqs_inactive)
1453 VNET_DECLARE(struct pf_altqqueue *, pf_altq_ifs_inactive);
1454 #define V_pf_altq_ifs_inactive VNET(pf_altq_ifs_inactive)
1456 VNET_DECLARE(struct pf_krulequeue, pf_unlinked_rules);
1457 #define V_pf_unlinked_rules VNET(pf_unlinked_rules)
1459 void pf_initialize(void);
1460 void pf_mtag_initialize(void);
1461 void pf_mtag_cleanup(void);
1462 void pf_cleanup(void);
1464 struct pf_mtag *pf_get_mtag(struct mbuf *);
1466 extern void pf_calc_skip_steps(struct pf_krulequeue *);
1468 extern void pf_altq_ifnet_event(struct ifnet *, int);
1470 VNET_DECLARE(uma_zone_t, pf_state_z);
1471 #define V_pf_state_z VNET(pf_state_z)
1472 VNET_DECLARE(uma_zone_t, pf_state_key_z);
1473 #define V_pf_state_key_z VNET(pf_state_key_z)
1474 VNET_DECLARE(uma_zone_t, pf_state_scrub_z);
1475 #define V_pf_state_scrub_z VNET(pf_state_scrub_z)
1477 extern void pf_purge_thread(void *);
1478 extern void pf_unload_vnet_purge(void);
1479 extern void pf_intr(void *);
1480 extern void pf_purge_expired_src_nodes(void);
1482 extern int pf_unlink_state(struct pf_state *, u_int);
1483 #define PF_ENTER_LOCKED 0x00000001
1484 #define PF_RETURN_LOCKED 0x00000002
1485 extern int pf_state_insert(struct pfi_kkif *,
1487 struct pf_state_key *,
1488 struct pf_state_key *,
1490 extern void pf_free_state(struct pf_state *);
1492 static __inline void
1493 pf_ref_state(struct pf_state *s)
1496 refcount_acquire(&s->refs);
1500 pf_release_state(struct pf_state *s)
1503 if (refcount_release(&s->refs)) {
1510 extern struct pf_state *pf_find_state_byid(uint64_t, uint32_t);
1511 extern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *,
1513 extern struct pf_ksrc_node *pf_find_src_node(struct pf_addr *,
1514 struct pf_krule *, sa_family_t, int);
1515 extern void pf_unlink_src_node(struct pf_ksrc_node *);
1516 extern u_int pf_free_src_nodes(struct pf_ksrc_node_list *);
1517 extern void pf_print_state(struct pf_state *);
1518 extern void pf_print_flags(u_int8_t);
1519 extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1521 extern u_int16_t pf_proto_cksum_fixup(struct mbuf *, u_int16_t,
1522 u_int16_t, u_int16_t, u_int8_t);
1524 VNET_DECLARE(struct ifnet *, sync_ifp);
1525 #define V_sync_ifp VNET(sync_ifp);
1526 VNET_DECLARE(struct pf_krule, pf_default_rule);
1527 #define V_pf_default_rule VNET(pf_default_rule)
1528 extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1530 void pf_free_rule(struct pf_krule *);
1533 int pf_test(int, int, struct ifnet *, struct mbuf **, struct inpcb *);
1534 int pf_normalize_ip(struct mbuf **, int, struct pfi_kkif *, u_short *,
1539 int pf_test6(int, int, struct ifnet *, struct mbuf **, struct inpcb *);
1540 int pf_normalize_ip6(struct mbuf **, int, struct pfi_kkif *, u_short *,
1542 void pf_poolmask(struct pf_addr *, struct pf_addr*,
1543 struct pf_addr *, struct pf_addr *, u_int8_t);
1544 void pf_addr_inc(struct pf_addr *, sa_family_t);
1545 int pf_refragment6(struct ifnet *, struct mbuf **, struct m_tag *);
1548 u_int32_t pf_new_isn(struct pf_state *);
1549 void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1551 void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1552 void pf_change_proto_a(struct mbuf *, void *, u_int16_t *, u_int32_t,
1554 void pf_change_tcp_a(struct mbuf *, void *, u_int16_t *, u_int32_t);
1555 void pf_patch_16_unaligned(struct mbuf *, u_int16_t *, void *, u_int16_t,
1557 void pf_patch_32_unaligned(struct mbuf *, u_int16_t *, void *, u_int32_t,
1559 void pf_send_deferred_syn(struct pf_state *);
1560 int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1561 struct pf_addr *, sa_family_t);
1562 int pf_match_addr_range(struct pf_addr *, struct pf_addr *,
1563 struct pf_addr *, sa_family_t);
1564 int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1566 void pf_normalize_init(void);
1567 void pf_normalize_cleanup(void);
1568 int pf_normalize_tcp(int, struct pfi_kkif *, struct mbuf *, int, int, void *,
1570 void pf_normalize_tcp_cleanup(struct pf_state *);
1571 int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1572 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1573 int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1574 u_short *, struct tcphdr *, struct pf_state *,
1575 struct pf_state_peer *, struct pf_state_peer *, int *);
1577 pf_state_expires(const struct pf_state *);
1578 void pf_purge_expired_fragments(void);
1579 void pf_purge_fragments(uint32_t);
1580 int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kkif *,
1582 int pf_socket_lookup(int, struct pf_pdesc *, struct mbuf *);
1583 struct pf_state_key *pf_alloc_state_key(int);
1584 void pfr_initialize(void);
1585 void pfr_cleanup(void);
1586 int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1587 void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1588 u_int64_t, int, int, int);
1589 int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, sa_family_t);
1590 void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1592 pfr_attach_table(struct pf_kruleset *, char *);
1593 void pfr_detach_table(struct pfr_ktable *);
1594 int pfr_clr_tables(struct pfr_table *, int *, int);
1595 int pfr_add_tables(struct pfr_table *, int, int *, int);
1596 int pfr_del_tables(struct pfr_table *, int, int *, int);
1597 int pfr_table_count(struct pfr_table *, int);
1598 int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1599 int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1600 int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1601 int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1602 int pfr_clr_addrs(struct pfr_table *, int *, int);
1603 int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1604 int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1606 int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1608 int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1609 int *, int *, int *, int, u_int32_t);
1610 int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1611 int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1612 int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1614 int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1616 int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1617 int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1618 int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1619 int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1620 int *, u_int32_t, int);
1622 MALLOC_DECLARE(PFI_MTYPE);
1623 VNET_DECLARE(struct pfi_kkif *, pfi_all);
1624 #define V_pfi_all VNET(pfi_all)
1626 void pfi_initialize(void);
1627 void pfi_initialize_vnet(void);
1628 void pfi_cleanup(void);
1629 void pfi_cleanup_vnet(void);
1630 void pfi_kkif_ref(struct pfi_kkif *);
1631 void pfi_kkif_unref(struct pfi_kkif *);
1632 struct pfi_kkif *pfi_kkif_find(const char *);
1633 struct pfi_kkif *pfi_kkif_attach(struct pfi_kkif *, const char *);
1634 int pfi_kkif_match(struct pfi_kkif *, struct pfi_kkif *);
1635 void pfi_kkif_purge(void);
1636 int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1638 int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1639 void pfi_dynaddr_remove(struct pfi_dynaddr *);
1640 void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1641 void pfi_update_status(const char *, struct pf_status *);
1642 void pfi_get_ifaces(const char *, struct pfi_kif *, int *);
1643 int pfi_set_flags(const char *, int);
1644 int pfi_clear_flags(const char *, int);
1646 int pf_match_tag(struct mbuf *, struct pf_krule *, int *, int);
1647 int pf_tag_packet(struct mbuf *, struct pf_pdesc *, int);
1648 int pf_addr_cmp(struct pf_addr *, struct pf_addr *,
1650 void pf_qid2qname(u_int32_t, char *);
1652 VNET_DECLARE(struct pf_kstatus, pf_status);
1653 #define V_pf_status VNET(pf_status)
1659 VNET_DECLARE(struct pf_limit, pf_limits[PF_LIMIT_MAX]);
1660 #define V_pf_limits VNET(pf_limits)
1662 #endif /* _KERNEL */
1665 VNET_DECLARE(struct pf_kanchor_global, pf_anchors);
1666 #define V_pf_anchors VNET(pf_anchors)
1667 VNET_DECLARE(struct pf_kanchor, pf_main_anchor);
1668 #define V_pf_main_anchor VNET(pf_main_anchor)
1669 #define pf_main_ruleset V_pf_main_anchor.ruleset
1671 void pf_init_kruleset(struct pf_kruleset *);
1672 int pf_kanchor_setup(struct pf_krule *,
1673 const struct pf_kruleset *, const char *);
1674 int pf_kanchor_nvcopyout(const struct pf_kruleset *,
1675 const struct pf_krule *, nvlist_t *);
1676 int pf_kanchor_copyout(const struct pf_kruleset *,
1677 const struct pf_krule *, struct pfioc_rule *);
1678 void pf_kanchor_remove(struct pf_krule *);
1679 void pf_remove_if_empty_kruleset(struct pf_kruleset *);
1680 struct pf_kruleset *pf_find_kruleset(const char *);
1681 struct pf_kruleset *pf_find_or_create_kruleset(const char *);
1682 void pf_rs_initialize(void);
1684 void pf_krule_free(struct pf_krule *);
1687 /* The fingerprint functions can be linked into userland programs (tcpdump) */
1688 int pf_osfp_add(struct pf_osfp_ioctl *);
1690 struct pf_osfp_enlist *
1691 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1692 const struct tcphdr *);
1693 #endif /* _KERNEL */
1694 void pf_osfp_flush(void);
1695 int pf_osfp_get(struct pf_osfp_ioctl *);
1696 int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1699 void pf_print_host(struct pf_addr *, u_int16_t, u_int8_t);
1701 void pf_step_into_anchor(struct pf_kanchor_stackframe *, int *,
1702 struct pf_kruleset **, int, struct pf_krule **,
1703 struct pf_krule **, int *);
1704 int pf_step_out_of_anchor(struct pf_kanchor_stackframe *, int *,
1705 struct pf_kruleset **, int, struct pf_krule **,
1706 struct pf_krule **, int *);
1708 int pf_map_addr(u_int8_t, struct pf_krule *,
1709 struct pf_addr *, struct pf_addr *,
1710 struct pf_addr *, struct pf_ksrc_node **);
1711 struct pf_krule *pf_get_translation(struct pf_pdesc *, struct mbuf *,
1712 int, int, struct pfi_kkif *, struct pf_ksrc_node **,
1713 struct pf_state_key **, struct pf_state_key **,
1714 struct pf_addr *, struct pf_addr *,
1715 uint16_t, uint16_t, struct pf_kanchor_stackframe *);
1717 struct pf_state_key *pf_state_key_setup(struct pf_pdesc *, struct pf_addr *,
1718 struct pf_addr *, u_int16_t, u_int16_t);
1719 struct pf_state_key *pf_state_key_clone(struct pf_state_key *);
1721 struct pfi_kkif *pf_kkif_create(int);
1722 void pf_kkif_free(struct pfi_kkif *);
1723 void pf_kkif_zero(struct pfi_kkif *);
1724 #endif /* _KERNEL */
1726 #endif /* _NET_PFVAR_H_ */