pf_altq.h revision 126258
1126258Smlaier/* $OpenBSD: pfvar.h,v 1.170 2003/08/22 21:50:34 david Exp $ */ 2126258Smlaier 3126258Smlaier/* 4126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 5126258Smlaier * All rights reserved. 6126258Smlaier * 7126258Smlaier * Redistribution and use in source and binary forms, with or without 8126258Smlaier * modification, are permitted provided that the following conditions 9126258Smlaier * are met: 10126258Smlaier * 11126258Smlaier * - Redistributions of source code must retain the above copyright 12126258Smlaier * notice, this list of conditions and the following disclaimer. 13126258Smlaier * - Redistributions in binary form must reproduce the above 14126258Smlaier * copyright notice, this list of conditions and the following 15126258Smlaier * disclaimer in the documentation and/or other materials provided 16126258Smlaier * with the distribution. 17126258Smlaier * 18126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 30126258Smlaier * 31126258Smlaier */ 32126258Smlaier 33126258Smlaier#ifndef _NET_PFVAR_H_ 34126258Smlaier#define _NET_PFVAR_H_ 35126258Smlaier 36126258Smlaier#include <sys/types.h> 37126258Smlaier#include <sys/queue.h> 38126258Smlaier#include <sys/tree.h> 39126258Smlaier 40126258Smlaier#include <net/radix.h> 41126258Smlaier#include <netinet/ip_ipsp.h> 42126258Smlaier#include <netinet/tcp_fsm.h> 43126258Smlaier 44126258Smlaierstruct ip; 45126258Smlaier 46126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 47126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 48126258Smlaier 49126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 50126258Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NAT, PF_NONAT, 51126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 52126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 53126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 54126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 55126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 56126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 57126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 58126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 59126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 60126258Smlaier/* 61126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 62126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 63126258Smlaier */ 64126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 65126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 66126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 67126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 68126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 69126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 70126258Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_MAX, 71126258Smlaier PFTM_PURGE, PFTM_UNTIL_PACKET }; 72126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 73126258Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 74126258Smlaier#define PF_POOL_IDMASK 0x0f 75126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 76126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 77126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 78126258Smlaier PF_ADDR_TABLE }; 79126258Smlaier#define PF_POOL_TYPEMASK 0x0f 80126258Smlaier#define PF_WSCALE_FLAG 0x80 81126258Smlaier#define PF_WSCALE_MASK 0x0f 82126258Smlaier 83126258Smlaierstruct pf_addr { 84126258Smlaier union { 85126258Smlaier struct in_addr v4; 86126258Smlaier struct in6_addr v6; 87126258Smlaier u_int8_t addr8[16]; 88126258Smlaier u_int16_t addr16[8]; 89126258Smlaier u_int32_t addr32[4]; 90126258Smlaier } pfa; /* 128-bit address */ 91126258Smlaier#define v4 pfa.v4 92126258Smlaier#define v6 pfa.v6 93126258Smlaier#define addr8 pfa.addr8 94126258Smlaier#define addr16 pfa.addr16 95126258Smlaier#define addr32 pfa.addr32 96126258Smlaier}; 97126258Smlaier 98126258Smlaier#define PF_TABLE_NAME_SIZE 32 99126258Smlaier 100126258Smlaierstruct pf_addr_wrap { 101126258Smlaier union { 102126258Smlaier struct { 103126258Smlaier struct pf_addr addr; 104126258Smlaier struct pf_addr mask; 105126258Smlaier } a; 106126258Smlaier char ifname[IFNAMSIZ]; 107126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 108126258Smlaier } v; 109126258Smlaier union { 110126258Smlaier struct pf_addr_dyn *dyn; 111126258Smlaier struct pfr_ktable *tbl; 112126258Smlaier int tblcnt; 113126258Smlaier } p; 114126258Smlaier u_int8_t type; /* PF_ADDR_* */ 115126258Smlaier}; 116126258Smlaier 117126258Smlaierstruct pf_addr_dyn { 118126258Smlaier char ifname[IFNAMSIZ]; 119126258Smlaier struct ifnet *ifp; 120126258Smlaier struct pf_addr *addr; 121126258Smlaier sa_family_t af; 122126258Smlaier void *hook_cookie; 123126258Smlaier u_int8_t undefined; 124126258Smlaier}; 125126258Smlaier 126126258Smlaier/* 127126258Smlaier * Address manipulation macros 128126258Smlaier */ 129126258Smlaier 130126258Smlaier#ifdef _KERNEL 131126258Smlaier 132126258Smlaier#ifdef INET 133126258Smlaier#ifndef INET6 134126258Smlaier#define PF_INET_ONLY 135126258Smlaier#endif /* ! INET6 */ 136126258Smlaier#endif /* INET */ 137126258Smlaier 138126258Smlaier#ifdef INET6 139126258Smlaier#ifndef INET 140126258Smlaier#define PF_INET6_ONLY 141126258Smlaier#endif /* ! INET */ 142126258Smlaier#endif /* INET6 */ 143126258Smlaier 144126258Smlaier#ifdef INET 145126258Smlaier#ifdef INET6 146126258Smlaier#define PF_INET_INET6 147126258Smlaier#endif /* INET6 */ 148126258Smlaier#endif /* INET */ 149126258Smlaier 150126258Smlaier#else 151126258Smlaier 152126258Smlaier#define PF_INET_INET6 153126258Smlaier 154126258Smlaier#endif /* _KERNEL */ 155126258Smlaier 156126258Smlaier/* Both IPv4 and IPv6 */ 157126258Smlaier#ifdef PF_INET_INET6 158126258Smlaier 159126258Smlaier#define PF_AEQ(a, b, c) \ 160126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 161126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 162126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 163126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 164126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 165126258Smlaier 166126258Smlaier#define PF_ANEQ(a, b, c) \ 167126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 168126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 169126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 170126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 171126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 172126258Smlaier 173126258Smlaier#define PF_AZERO(a, c) \ 174126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 175126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 176126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 177126258Smlaier 178126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 179126258Smlaier pf_match_addr(n, a, m, b, f) 180126258Smlaier 181126258Smlaier#define PF_ACPY(a, b, f) \ 182126258Smlaier pf_addrcpy(a, b, f) 183126258Smlaier 184126258Smlaier#define PF_AINC(a, f) \ 185126258Smlaier pf_addr_inc(a, f) 186126258Smlaier 187126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 188126258Smlaier pf_poolmask(a, b, c, d, f) 189126258Smlaier 190126258Smlaier#else 191126258Smlaier 192126258Smlaier/* Just IPv6 */ 193126258Smlaier 194126258Smlaier#ifdef PF_INET6_ONLY 195126258Smlaier 196126258Smlaier#define PF_AEQ(a, b, c) \ 197126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 198126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 199126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 200126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 201126258Smlaier 202126258Smlaier#define PF_ANEQ(a, b, c) \ 203126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 204126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 205126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 206126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 207126258Smlaier 208126258Smlaier#define PF_AZERO(a, c) \ 209126258Smlaier (!(a)->addr32[0] && \ 210126258Smlaier !(a)->addr32[1] && \ 211126258Smlaier !(a)->addr32[2] && \ 212126258Smlaier !(a)->addr32[3] ) \ 213126258Smlaier 214126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 215126258Smlaier pf_match_addr(n, a, m, b, f) 216126258Smlaier 217126258Smlaier#define PF_ACPY(a, b, f) \ 218126258Smlaier pf_addrcpy(a, b, f) 219126258Smlaier 220126258Smlaier#define PF_AINC(a, f) \ 221126258Smlaier pf_addr_inc(a, f) 222126258Smlaier 223126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 224126258Smlaier pf_poolmask(a, b, c, d, f) 225126258Smlaier 226126258Smlaier#else 227126258Smlaier 228126258Smlaier/* Just IPv4 */ 229126258Smlaier#ifdef PF_INET_ONLY 230126258Smlaier 231126258Smlaier#define PF_AEQ(a, b, c) \ 232126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 233126258Smlaier 234126258Smlaier#define PF_ANEQ(a, b, c) \ 235126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 236126258Smlaier 237126258Smlaier#define PF_AZERO(a, c) \ 238126258Smlaier (!(a)->addr32[0]) 239126258Smlaier 240126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 241126258Smlaier pf_match_addr(n, a, m, b, f) 242126258Smlaier 243126258Smlaier#define PF_ACPY(a, b, f) \ 244126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 245126258Smlaier 246126258Smlaier#define PF_AINC(a, f) \ 247126258Smlaier do { \ 248126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 249126258Smlaier } while (0) 250126258Smlaier 251126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 252126258Smlaier do { \ 253126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 254126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 255126258Smlaier } while (0) 256126258Smlaier 257126258Smlaier#endif /* PF_INET_ONLY */ 258126258Smlaier#endif /* PF_INET6_ONLY */ 259126258Smlaier#endif /* PF_INET_INET6 */ 260126258Smlaier 261126258Smlaier#define PF_MISMATCHAW(aw, x, af, not) \ 262126258Smlaier ( \ 263126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 264126258Smlaier pf_routable((x), (af))) || \ 265126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 266126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 267126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 268126258Smlaier ((aw)->p.dyn->undefined || \ 269126258Smlaier (!PF_AZERO(&(aw)->v.a.mask, (af)) && \ 270126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 271126258Smlaier &(aw)->v.a.mask, (x), (af))))) || \ 272126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 273126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 274126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 275126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 276126258Smlaier (not) \ 277126258Smlaier ) 278126258Smlaier 279126258Smlaierstruct pf_rule_uid { 280126258Smlaier uid_t uid[2]; 281126258Smlaier u_int8_t op; 282126258Smlaier}; 283126258Smlaier 284126258Smlaierstruct pf_rule_gid { 285126258Smlaier uid_t gid[2]; 286126258Smlaier u_int8_t op; 287126258Smlaier}; 288126258Smlaier 289126258Smlaierstruct pf_rule_addr { 290126258Smlaier struct pf_addr_wrap addr; 291126258Smlaier u_int16_t port[2]; 292126258Smlaier u_int8_t not; 293126258Smlaier u_int8_t port_op; 294126258Smlaier}; 295126258Smlaier 296126258Smlaierstruct pf_pooladdr { 297126258Smlaier struct pf_addr_wrap addr; 298126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 299126258Smlaier char ifname[IFNAMSIZ]; 300126258Smlaier struct ifnet *ifp; 301126258Smlaier}; 302126258Smlaier 303126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 304126258Smlaier 305126258Smlaierstruct pf_poolhashkey { 306126258Smlaier union { 307126258Smlaier u_int8_t key8[16]; 308126258Smlaier u_int16_t key16[8]; 309126258Smlaier u_int32_t key32[4]; 310126258Smlaier } pfk; /* 128-bit hash key */ 311126258Smlaier#define key8 pfk.key8 312126258Smlaier#define key16 pfk.key16 313126258Smlaier#define key32 pfk.key32 314126258Smlaier}; 315126258Smlaier 316126258Smlaierstruct pf_pool { 317126258Smlaier struct pf_palist list; 318126258Smlaier struct pf_pooladdr *cur; 319126258Smlaier struct pf_poolhashkey key; 320126258Smlaier struct pf_addr counter; 321126258Smlaier int tblidx; 322126258Smlaier u_int16_t proxy_port[2]; 323126258Smlaier u_int8_t port_op; 324126258Smlaier u_int8_t opts; 325126258Smlaier}; 326126258Smlaier 327126258Smlaier 328126258Smlaier/* A packed Operating System description for fingerprinting */ 329126258Smlaiertypedef u_int32_t pf_osfp_t; 330126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 331126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 332126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 333126258Smlaier 334126258Smlaierstruct pf_osfp_entry { 335126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 336126258Smlaier pf_osfp_t fp_os; 337126258Smlaier int fp_enflags; 338126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 339126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 340126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 341126258Smlaier#define PF_OSFP_LEN 32 342126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 343126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 344126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 345126258Smlaier}; 346126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 347126258Smlaier ((a)->fp_os == (b)->fp_os && \ 348126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 349126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 350126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 351126258Smlaier 352126258Smlaier/* handle pf_osfp_t packing */ 353126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 354126258Smlaier#define _FP_UNUSED_BITS 1 355126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 356126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 357126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 358126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 359126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 360126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 361126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 362126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 363126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 364126258Smlaier} while(0) 365126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 366126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 367126258Smlaier + _FP_SUBTYPE_BITS); \ 368126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 369126258Smlaier _FP_SUBTYPE_BITS; \ 370126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 371126258Smlaier} while(0) 372126258Smlaier 373126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 374126258Smlaiertypedef u_int64_t pf_tcpopts_t; 375126258Smlaierstruct pf_os_fingerprint { 376126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 377126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 378126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 379126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 380126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 381126258Smlaier u_int16_t fp_flags; 382126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 383126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 384126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 385126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 386126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 387126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 388126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 389126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 390126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 391126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 392126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 393126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 394126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 395126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 396126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 397126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 398126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 399126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 400126258Smlaier/* TCP options packing */ 401126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 402126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 403126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 404126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 405126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 406126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 407126258Smlaier#define PF_OSFP_MAX_OPTS \ 408126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 409126258Smlaier / PF_OSFP_TCPOPT_BITS 410126258Smlaier 411126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 412126258Smlaier}; 413126258Smlaier 414126258Smlaierstruct pf_osfp_ioctl { 415126258Smlaier struct pf_osfp_entry fp_os; 416126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 417126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 418126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 419126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 420126258Smlaier u_int16_t fp_flags; 421126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 422126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 423126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 424126258Smlaier 425126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 426126258Smlaier}; 427126258Smlaier 428126258Smlaier 429126258Smlaierunion pf_rule_ptr { 430126258Smlaier struct pf_rule *ptr; 431126258Smlaier u_int32_t nr; 432126258Smlaier}; 433126258Smlaier 434126258Smlaierstruct pf_rule { 435126258Smlaier struct pf_rule_addr src; 436126258Smlaier struct pf_rule_addr dst; 437126258Smlaier#define PF_SKIP_IFP 0 438126258Smlaier#define PF_SKIP_DIR 1 439126258Smlaier#define PF_SKIP_AF 2 440126258Smlaier#define PF_SKIP_PROTO 3 441126258Smlaier#define PF_SKIP_SRC_ADDR 4 442126258Smlaier#define PF_SKIP_SRC_PORT 5 443126258Smlaier#define PF_SKIP_DST_ADDR 6 444126258Smlaier#define PF_SKIP_DST_PORT 7 445126258Smlaier#define PF_SKIP_COUNT 8 446126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 447126258Smlaier#define PF_RULE_LABEL_SIZE 64 448126258Smlaier char label[PF_RULE_LABEL_SIZE]; 449126258Smlaier u_int32_t timeout[PFTM_MAX]; 450126258Smlaier#define PF_QNAME_SIZE 16 451126258Smlaier char ifname[IFNAMSIZ]; 452126258Smlaier char qname[PF_QNAME_SIZE]; 453126258Smlaier char pqname[PF_QNAME_SIZE]; 454126258Smlaier#define PF_ANCHOR_NAME_SIZE 16 455126258Smlaier char anchorname[PF_ANCHOR_NAME_SIZE]; 456126258Smlaier#define PF_TAG_NAME_SIZE 16 457126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 458126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 459126258Smlaier 460126258Smlaier TAILQ_ENTRY(pf_rule) entries; 461126258Smlaier struct pf_pool rpool; 462126258Smlaier 463126258Smlaier u_int64_t evaluations; 464126258Smlaier u_int64_t packets; 465126258Smlaier u_int64_t bytes; 466126258Smlaier 467126258Smlaier struct ifnet *ifp; 468126258Smlaier struct pf_anchor *anchor; 469126258Smlaier 470126258Smlaier pf_osfp_t os_fingerprint; 471126258Smlaier u_int32_t states; 472126258Smlaier u_int32_t max_states; 473126258Smlaier u_int32_t qid; 474126258Smlaier u_int32_t pqid; 475126258Smlaier u_int32_t rt_listid; 476126258Smlaier u_int32_t nr; 477126258Smlaier 478126258Smlaier u_int16_t return_icmp; 479126258Smlaier u_int16_t return_icmp6; 480126258Smlaier u_int16_t max_mss; 481126258Smlaier u_int16_t tag; 482126258Smlaier u_int16_t match_tag; 483126258Smlaier 484126258Smlaier struct pf_rule_uid uid; 485126258Smlaier struct pf_rule_gid gid; 486126258Smlaier 487126258Smlaier u_int32_t rule_flag; 488126258Smlaier u_int8_t action; 489126258Smlaier u_int8_t direction; 490126258Smlaier u_int8_t log; 491126258Smlaier u_int8_t quick; 492126258Smlaier u_int8_t ifnot; 493126258Smlaier u_int8_t match_tag_not; 494126258Smlaier u_int8_t natpass; 495126258Smlaier 496126258Smlaier#define PF_STATE_NORMAL 0x1 497126258Smlaier#define PF_STATE_MODULATE 0x2 498126258Smlaier#define PF_STATE_SYNPROXY 0x3 499126258Smlaier u_int8_t keep_state; 500126258Smlaier sa_family_t af; 501126258Smlaier u_int8_t proto; 502126258Smlaier u_int8_t type; 503126258Smlaier u_int8_t code; 504126258Smlaier u_int8_t flags; 505126258Smlaier u_int8_t flagset; 506126258Smlaier u_int8_t min_ttl; 507126258Smlaier u_int8_t allow_opts; 508126258Smlaier u_int8_t rt; 509126258Smlaier u_int8_t return_ttl; 510126258Smlaier u_int8_t tos; 511126258Smlaier}; 512126258Smlaier 513126258Smlaier/* rule flags */ 514126258Smlaier#define PFRULE_DROP 0x0000 515126258Smlaier#define PFRULE_RETURNRST 0x0001 516126258Smlaier#define PFRULE_FRAGMENT 0x0002 517126258Smlaier#define PFRULE_RETURNICMP 0x0004 518126258Smlaier#define PFRULE_RETURN 0x0008 519126258Smlaier 520126258Smlaier/* scrub flags */ 521126258Smlaier#define PFRULE_NODF 0x0100 522126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 523126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 524126258Smlaier#define PFRULE_RANDOMID 0x0800 525126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 526126258Smlaier 527126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 528126258Smlaier 529126258Smlaier 530126258Smlaierstruct pf_state_scrub { 531126258Smlaier u_int16_t pfss_flags; 532126258Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 533126258Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 534126258Smlaier u_int8_t pad; 535126258Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 536126258Smlaier}; 537126258Smlaier 538126258Smlaierstruct pf_state_host { 539126258Smlaier struct pf_addr addr; 540126258Smlaier u_int16_t port; 541126258Smlaier u_int16_t pad; 542126258Smlaier}; 543126258Smlaier 544126258Smlaierstruct pf_state_peer { 545126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 546126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 547126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 548126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 549126258Smlaier u_int8_t state; /* active state level */ 550126258Smlaier u_int8_t wscale; /* window scaling factor */ 551126258Smlaier u_int16_t mss; /* Maximum segment size option */ 552126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 553126258Smlaier}; 554126258Smlaier 555126258Smlaierstruct pf_state { 556126258Smlaier struct pf_state_host lan; 557126258Smlaier struct pf_state_host gwy; 558126258Smlaier struct pf_state_host ext; 559126258Smlaier struct pf_state_peer src; 560126258Smlaier struct pf_state_peer dst; 561126258Smlaier union pf_rule_ptr rule; 562126258Smlaier union pf_rule_ptr anchor; 563126258Smlaier union pf_rule_ptr nat_rule; 564126258Smlaier struct pf_addr rt_addr; 565126258Smlaier struct ifnet *rt_ifp; 566126258Smlaier u_int32_t creation; 567126258Smlaier u_int32_t expire; 568126258Smlaier u_int32_t packets[2]; 569126258Smlaier u_int32_t bytes[2]; 570126258Smlaier sa_family_t af; 571126258Smlaier u_int8_t proto; 572126258Smlaier u_int8_t direction; 573126258Smlaier u_int8_t log; 574126258Smlaier u_int8_t allow_opts; 575126258Smlaier u_int8_t timeout; 576126258Smlaier u_int8_t pad[2]; 577126258Smlaier}; 578126258Smlaier 579126258Smlaierstruct pf_tree_node { 580126258Smlaier RB_ENTRY(pf_tree_node) entry; 581126258Smlaier struct pf_state *state; 582126258Smlaier struct pf_addr addr[2]; 583126258Smlaier u_int16_t port[2]; 584126258Smlaier sa_family_t af; 585126258Smlaier u_int8_t proto; 586126258Smlaier}; 587126258Smlaier 588126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 589126258Smlaier 590126258Smlaierstruct pf_anchor; 591126258Smlaier 592126258Smlaierstruct pf_ruleset { 593126258Smlaier TAILQ_ENTRY(pf_ruleset) entries; 594126258Smlaier#define PF_RULESET_NAME_SIZE 16 595126258Smlaier char name[PF_RULESET_NAME_SIZE]; 596126258Smlaier struct { 597126258Smlaier struct pf_rulequeue queues[2]; 598126258Smlaier struct { 599126258Smlaier struct pf_rulequeue *ptr; 600126258Smlaier u_int32_t ticket; 601126258Smlaier } active, inactive; 602126258Smlaier } rules[PF_RULESET_MAX]; 603126258Smlaier struct pf_anchor *anchor; 604126258Smlaier u_int32_t tticket; 605126258Smlaier int tables; 606126258Smlaier int topen; 607126258Smlaier}; 608126258Smlaier 609126258SmlaierTAILQ_HEAD(pf_rulesetqueue, pf_ruleset); 610126258Smlaier 611126258Smlaierstruct pf_anchor { 612126258Smlaier TAILQ_ENTRY(pf_anchor) entries; 613126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 614126258Smlaier struct pf_rulesetqueue rulesets; 615126258Smlaier int tables; 616126258Smlaier}; 617126258Smlaier 618126258SmlaierTAILQ_HEAD(pf_anchorqueue, pf_anchor); 619126258Smlaier 620126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 621126258Smlaier#define PFR_TFLAG_CONST 0x00000002 622126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 623126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 624126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 625126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 626126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 627126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 628126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 629126258Smlaier 630126258Smlaierstruct pfr_table { 631126258Smlaier char pfrt_anchor[PF_ANCHOR_NAME_SIZE]; 632126258Smlaier char pfrt_ruleset[PF_RULESET_NAME_SIZE]; 633126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 634126258Smlaier u_int32_t pfrt_flags; 635126258Smlaier u_int8_t pfrt_fback; 636126258Smlaier}; 637126258Smlaier 638126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 639126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 640126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 641126258Smlaier 642126258Smlaierstruct pfr_addr { 643126258Smlaier union { 644126258Smlaier struct in_addr _pfra_ip4addr; 645126258Smlaier struct in6_addr _pfra_ip6addr; 646126258Smlaier } pfra_u; 647126258Smlaier u_int8_t pfra_af; 648126258Smlaier u_int8_t pfra_net; 649126258Smlaier u_int8_t pfra_not; 650126258Smlaier u_int8_t pfra_fback; 651126258Smlaier}; 652126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 653126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 654126258Smlaier 655126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 656126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 657126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 658126258Smlaier 659126258Smlaierstruct pfr_astats { 660126258Smlaier struct pfr_addr pfras_a; 661126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 662126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 663126258Smlaier long pfras_tzero; 664126258Smlaier}; 665126258Smlaier 666126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 667126258Smlaier 668126258Smlaierstruct pfr_tstats { 669126258Smlaier struct pfr_table pfrts_t; 670126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 671126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 672126258Smlaier u_int64_t pfrts_match; 673126258Smlaier u_int64_t pfrts_nomatch; 674126258Smlaier long pfrts_tzero; 675126258Smlaier int pfrts_cnt; 676126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 677126258Smlaier}; 678126258Smlaier#define pfrts_name pfrts_t.pfrt_name 679126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 680126258Smlaier 681126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 682126258Smlaierstruct pfr_kentry { 683126258Smlaier struct radix_node pfrke_node[2]; 684126258Smlaier union sockaddr_union pfrke_sa; 685126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 686126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 687126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 688126258Smlaier long pfrke_tzero; 689126258Smlaier u_int8_t pfrke_af; 690126258Smlaier u_int8_t pfrke_net; 691126258Smlaier u_int8_t pfrke_not; 692126258Smlaier u_int8_t pfrke_mark; 693126258Smlaier}; 694126258Smlaier 695126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 696126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 697126258Smlaierstruct pfr_ktable { 698126258Smlaier struct pfr_tstats pfrkt_ts; 699126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 700126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 701126258Smlaier struct radix_node_head *pfrkt_ip4; 702126258Smlaier struct radix_node_head *pfrkt_ip6; 703126258Smlaier struct pfr_ktable *pfrkt_shadow; 704126258Smlaier struct pfr_ktable *pfrkt_root; 705126258Smlaier struct pf_ruleset *pfrkt_rs; 706126258Smlaier int pfrkt_nflags; 707126258Smlaier}; 708126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 709126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 710126258Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 711126258Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 712126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 713126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 714126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 715126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 716126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 717126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 718126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 719126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 720126258Smlaier 721126258Smlaierstruct pf_pdesc { 722126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 723126258Smlaier union { 724126258Smlaier struct tcphdr *tcp; 725126258Smlaier struct udphdr *udp; 726126258Smlaier struct icmp *icmp; 727126258Smlaier#ifdef INET6 728126258Smlaier struct icmp6_hdr *icmp6; 729126258Smlaier#endif /* INET6 */ 730126258Smlaier void *any; 731126258Smlaier } hdr; 732126258Smlaier struct pf_addr *src; 733126258Smlaier struct pf_addr *dst; 734126258Smlaier u_int16_t *ip_sum; 735126258Smlaier u_int32_t p_len; /* total length of payload */ 736126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 737126258Smlaier * state code. Easier than tags */ 738126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 739126258Smlaier sa_family_t af; 740126258Smlaier u_int8_t proto; 741126258Smlaier u_int8_t tos; 742126258Smlaier}; 743126258Smlaier 744126258Smlaier/* flags for RDR options */ 745126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 746126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 747126258Smlaier 748126258Smlaier/* Reasons code for passing/dropping a packet */ 749126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 750126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 751126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 752126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 753126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 754126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 755126258Smlaier#define PFRES_MAX 6 /* total+1 */ 756126258Smlaier 757126258Smlaier#define PFRES_NAMES { \ 758126258Smlaier "match", \ 759126258Smlaier "bad-offset", \ 760126258Smlaier "fragment", \ 761126258Smlaier "short", \ 762126258Smlaier "normalize", \ 763126258Smlaier "memory", \ 764126258Smlaier NULL \ 765126258Smlaier} 766126258Smlaier 767126258Smlaier/* UDP state enumeration */ 768126258Smlaier#define PFUDPS_NO_TRAFFIC 0 769126258Smlaier#define PFUDPS_SINGLE 1 770126258Smlaier#define PFUDPS_MULTIPLE 2 771126258Smlaier 772126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 773126258Smlaier 774126258Smlaier#define PFUDPS_NAMES { \ 775126258Smlaier "NO_TRAFFIC", \ 776126258Smlaier "SINGLE", \ 777126258Smlaier "MULTIPLE", \ 778126258Smlaier NULL \ 779126258Smlaier} 780126258Smlaier 781126258Smlaier/* Other protocol state enumeration */ 782126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 783126258Smlaier#define PFOTHERS_SINGLE 1 784126258Smlaier#define PFOTHERS_MULTIPLE 2 785126258Smlaier 786126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 787126258Smlaier 788126258Smlaier#define PFOTHERS_NAMES { \ 789126258Smlaier "NO_TRAFFIC", \ 790126258Smlaier "SINGLE", \ 791126258Smlaier "MULTIPLE", \ 792126258Smlaier NULL \ 793126258Smlaier} 794126258Smlaier 795126258Smlaier#define FCNT_STATE_SEARCH 0 796126258Smlaier#define FCNT_STATE_INSERT 1 797126258Smlaier#define FCNT_STATE_REMOVALS 2 798126258Smlaier#define FCNT_MAX 3 799126258Smlaier 800126258Smlaier 801126258Smlaier#define ACTION_SET(a, x) \ 802126258Smlaier do { \ 803126258Smlaier if ((a) != NULL) \ 804126258Smlaier *(a) = (x); \ 805126258Smlaier } while (0) 806126258Smlaier 807126258Smlaier#define REASON_SET(a, x) \ 808126258Smlaier do { \ 809126258Smlaier if ((a) != NULL) \ 810126258Smlaier *(a) = (x); \ 811126258Smlaier if (x < PFRES_MAX) \ 812126258Smlaier pf_status.counters[x]++; \ 813126258Smlaier } while (0) 814126258Smlaier 815126258Smlaierstruct pf_status { 816126258Smlaier u_int64_t counters[PFRES_MAX]; 817126258Smlaier u_int64_t fcounters[FCNT_MAX]; 818126258Smlaier u_int64_t pcounters[2][2][3]; 819126258Smlaier u_int64_t bcounters[2][2]; 820126258Smlaier u_int32_t running; 821126258Smlaier u_int32_t states; 822126258Smlaier u_int32_t since; 823126258Smlaier u_int32_t debug; 824126258Smlaier char ifname[IFNAMSIZ]; 825126258Smlaier}; 826126258Smlaier 827126258Smlaierstruct cbq_opts { 828126258Smlaier u_int minburst; 829126258Smlaier u_int maxburst; 830126258Smlaier u_int pktsize; 831126258Smlaier u_int maxpktsize; 832126258Smlaier u_int ns_per_byte; 833126258Smlaier u_int maxidle; 834126258Smlaier int minidle; 835126258Smlaier u_int offtime; 836126258Smlaier int flags; 837126258Smlaier}; 838126258Smlaier 839126258Smlaierstruct priq_opts { 840126258Smlaier int flags; 841126258Smlaier}; 842126258Smlaier 843126258Smlaierstruct hfsc_opts { 844126258Smlaier /* real-time service curve */ 845126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 846126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 847126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 848126258Smlaier /* link-sharing service curve */ 849126258Smlaier u_int lssc_m1; 850126258Smlaier u_int lssc_d; 851126258Smlaier u_int lssc_m2; 852126258Smlaier /* upper-limit service curve */ 853126258Smlaier u_int ulsc_m1; 854126258Smlaier u_int ulsc_d; 855126258Smlaier u_int ulsc_m2; 856126258Smlaier int flags; 857126258Smlaier}; 858126258Smlaier 859126258Smlaierstruct pf_altq { 860126258Smlaier char ifname[IFNAMSIZ]; 861126258Smlaier 862126258Smlaier void *altq_disc; /* discipline-specific state */ 863126258Smlaier TAILQ_ENTRY(pf_altq) entries; 864126258Smlaier 865126258Smlaier /* scheduler spec */ 866126258Smlaier u_int8_t scheduler; /* scheduler type */ 867126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 868126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 869126258Smlaier 870126258Smlaier /* queue spec */ 871126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 872126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 873126258Smlaier u_int32_t parent_qid; /* parent queue id */ 874126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 875126258Smlaier u_int8_t priority; /* priority */ 876126258Smlaier u_int16_t qlimit; /* queue size limit */ 877126258Smlaier u_int16_t flags; /* misc flags */ 878126258Smlaier union { 879126258Smlaier struct cbq_opts cbq_opts; 880126258Smlaier struct priq_opts priq_opts; 881126258Smlaier struct hfsc_opts hfsc_opts; 882126258Smlaier } pq_u; 883126258Smlaier 884126258Smlaier u_int32_t qid; /* return value */ 885126258Smlaier}; 886126258Smlaier 887126258Smlaierstruct pf_tag { 888126258Smlaier u_int16_t tag; /* tag id */ 889126258Smlaier}; 890126258Smlaier 891126258Smlaierstruct pf_tagname { 892126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 893126258Smlaier char name[PF_TAG_NAME_SIZE]; 894126258Smlaier u_int16_t tag; 895126258Smlaier int ref; 896126258Smlaier}; 897126258Smlaier 898126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 899126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 900126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 901126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 902126258Smlaier 903126258Smlaier/* 904126258Smlaier * ioctl parameter structures 905126258Smlaier */ 906126258Smlaier 907126258Smlaierstruct pfioc_pooladdr { 908126258Smlaier u_int32_t action; 909126258Smlaier u_int32_t ticket; 910126258Smlaier u_int32_t nr; 911126258Smlaier u_int32_t r_num; 912126258Smlaier u_int8_t r_action; 913126258Smlaier u_int8_t r_last; 914126258Smlaier u_int8_t af; 915126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 916126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 917126258Smlaier struct pf_pooladdr addr; 918126258Smlaier}; 919126258Smlaier 920126258Smlaierstruct pfioc_rule { 921126258Smlaier u_int32_t action; 922126258Smlaier u_int32_t ticket; 923126258Smlaier u_int32_t pool_ticket; 924126258Smlaier u_int32_t nr; 925126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 926126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 927126258Smlaier struct pf_rule rule; 928126258Smlaier}; 929126258Smlaier 930126258Smlaierstruct pfioc_natlook { 931126258Smlaier struct pf_addr saddr; 932126258Smlaier struct pf_addr daddr; 933126258Smlaier struct pf_addr rsaddr; 934126258Smlaier struct pf_addr rdaddr; 935126258Smlaier u_int16_t sport; 936126258Smlaier u_int16_t dport; 937126258Smlaier u_int16_t rsport; 938126258Smlaier u_int16_t rdport; 939126258Smlaier sa_family_t af; 940126258Smlaier u_int8_t proto; 941126258Smlaier u_int8_t direction; 942126258Smlaier}; 943126258Smlaier 944126258Smlaierstruct pfioc_state { 945126258Smlaier u_int32_t nr; 946126258Smlaier struct pf_state state; 947126258Smlaier}; 948126258Smlaier 949126258Smlaierstruct pfioc_state_kill { 950126258Smlaier /* XXX returns the number of states killed in psk_af */ 951126258Smlaier sa_family_t psk_af; 952126258Smlaier int psk_proto; 953126258Smlaier struct pf_rule_addr psk_src; 954126258Smlaier struct pf_rule_addr psk_dst; 955126258Smlaier}; 956126258Smlaier 957126258Smlaierstruct pfioc_states { 958126258Smlaier int ps_len; 959126258Smlaier union { 960126258Smlaier caddr_t psu_buf; 961126258Smlaier struct pf_state *psu_states; 962126258Smlaier } ps_u; 963126258Smlaier#define ps_buf ps_u.psu_buf 964126258Smlaier#define ps_states ps_u.psu_states 965126258Smlaier}; 966126258Smlaier 967126258Smlaierstruct pfioc_if { 968126258Smlaier char ifname[IFNAMSIZ]; 969126258Smlaier}; 970126258Smlaier 971126258Smlaierstruct pfioc_tm { 972126258Smlaier int timeout; 973126258Smlaier int seconds; 974126258Smlaier}; 975126258Smlaier 976126258Smlaierstruct pfioc_limit { 977126258Smlaier int index; 978126258Smlaier unsigned limit; 979126258Smlaier}; 980126258Smlaier 981126258Smlaierstruct pfioc_altq { 982126258Smlaier u_int32_t action; 983126258Smlaier u_int32_t ticket; 984126258Smlaier u_int32_t nr; 985126258Smlaier struct pf_altq altq; 986126258Smlaier}; 987126258Smlaier 988126258Smlaierstruct pfioc_qstats { 989126258Smlaier u_int32_t ticket; 990126258Smlaier u_int32_t nr; 991126258Smlaier void *buf; 992126258Smlaier int nbytes; 993126258Smlaier u_int8_t scheduler; 994126258Smlaier}; 995126258Smlaier 996126258Smlaierstruct pfioc_anchor { 997126258Smlaier u_int32_t nr; 998126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 999126258Smlaier}; 1000126258Smlaier 1001126258Smlaierstruct pfioc_ruleset { 1002126258Smlaier u_int32_t nr; 1003126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1004126258Smlaier char name[PF_RULESET_NAME_SIZE]; 1005126258Smlaier}; 1006126258Smlaier 1007126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1008126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1009126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1010126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1011126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1012126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1013126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1014126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1015126258Smlaier 1016126258Smlaierstruct pfioc_table { 1017126258Smlaier struct pfr_table pfrio_table; 1018126258Smlaier void *pfrio_buffer; 1019126258Smlaier int pfrio_esize; 1020126258Smlaier int pfrio_size; 1021126258Smlaier int pfrio_size2; 1022126258Smlaier int pfrio_nadd; 1023126258Smlaier int pfrio_ndel; 1024126258Smlaier int pfrio_nchange; 1025126258Smlaier int pfrio_flags; 1026126258Smlaier u_int32_t pfrio_ticket; 1027126258Smlaier}; 1028126258Smlaier#define pfrio_exists pfrio_nadd 1029126258Smlaier#define pfrio_nzero pfrio_nadd 1030126258Smlaier#define pfrio_nmatch pfrio_nadd 1031126258Smlaier#define pfrio_naddr pfrio_size2 1032126258Smlaier#define pfrio_setflag pfrio_size2 1033126258Smlaier#define pfrio_clrflag pfrio_nadd 1034126258Smlaier 1035126258Smlaier 1036126258Smlaier/* 1037126258Smlaier * ioctl operations 1038126258Smlaier */ 1039126258Smlaier 1040126258Smlaier#define DIOCSTART _IO ('D', 1) 1041126258Smlaier#define DIOCSTOP _IO ('D', 2) 1042126258Smlaier#define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule) 1043126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1044126258Smlaier#define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule) 1045126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1046126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1047126258Smlaier/* XXX cut 8 - 17 */ 1048126258Smlaier#define DIOCCLRSTATES _IO ('D', 18) 1049126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1050126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1051126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1052126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1053126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1054126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1055126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1056126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1057126258Smlaier/* XXX cut 26 - 28 */ 1058126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1059126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1060126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1061126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1062126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1063126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1064126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1065126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1066126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1067126258Smlaier#define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t) 1068126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1069126258Smlaier#define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t) 1070126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1071126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1072126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1073126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1074126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1075126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1076126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1077126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1078126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1079126258Smlaier#define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor) 1080126258Smlaier#define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor) 1081126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1082126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1083126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1084126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1085126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1086126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1087126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1088126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1089126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1090126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1091126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1092126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1093126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1094126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1095126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1096126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1097126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1098126258Smlaier#define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table) 1099126258Smlaier#define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table) 1100126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1101126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1102126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1103126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1104126258Smlaier 1105126258Smlaier#ifdef _KERNEL 1106126258SmlaierRB_HEAD(pf_state_tree, pf_tree_node); 1107126258SmlaierRB_PROTOTYPE(pf_state_tree, pf_tree_node, entry, pf_state_compare); 1108126258Smlaierextern struct pf_state_tree tree_lan_ext, tree_ext_gwy; 1109126258Smlaier 1110126258Smlaierextern struct pf_anchorqueue pf_anchors; 1111126258Smlaierextern struct pf_ruleset pf_main_ruleset; 1112126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1113126258Smlaierextern struct pf_poolqueue pf_pools[2]; 1114126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1115126258Smlaierextern struct pf_altqqueue pf_altqs[2]; 1116126258Smlaierextern struct pf_palist pf_pabuf; 1117126258Smlaier 1118126258Smlaier 1119126258Smlaierextern u_int32_t ticket_altqs_active; 1120126258Smlaierextern u_int32_t ticket_altqs_inactive; 1121126258Smlaierextern u_int32_t ticket_pabuf; 1122126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1123126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1124126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1125126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1126126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1127126258Smlaier struct pf_addr_wrap *); 1128126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1129126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1130126258Smlaierextern int pf_dynaddr_setup(struct pf_addr_wrap *, 1131126258Smlaier sa_family_t); 1132126258Smlaierextern void pf_dynaddr_copyout(struct pf_addr_wrap *); 1133126258Smlaierextern void pf_dynaddr_remove(struct pf_addr_wrap *); 1134126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1135126258Smlaierextern void pf_rule_set_qid(struct pf_rulequeue *); 1136126258Smlaierextern u_int32_t pf_qname_to_qid(char *); 1137126258Smlaierextern void pf_update_anchor_rules(void); 1138126258Smlaierextern struct pool pf_tree_pl, pf_rule_pl, pf_addr_pl; 1139126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1140126258Smlaierextern struct pool pf_state_scrub_pl; 1141126258Smlaierextern void pf_purge_timeout(void *); 1142126258Smlaierextern void pf_purge_expired_states(void); 1143126258Smlaierextern int pf_insert_state(struct pf_state *); 1144126258Smlaierextern struct pf_state *pf_find_state(struct pf_state_tree *, 1145126258Smlaier struct pf_tree_node *); 1146126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1147126258Smlaierextern struct pf_ruleset *pf_find_ruleset(char *, char *); 1148126258Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset(char *, char *); 1149126258Smlaierextern void pf_remove_if_empty_ruleset( 1150126258Smlaier struct pf_ruleset *); 1151126258Smlaier 1152126258Smlaierextern struct ifnet *status_ifp; 1153126258Smlaierextern struct pf_rule pf_default_rule; 1154126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1155126258Smlaier u_int8_t); 1156126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1157126258Smlaier struct pf_rule *); 1158126258Smlaier 1159126258Smlaier#ifdef INET 1160126258Smlaierint pf_test(int, struct ifnet *, struct mbuf **); 1161126258Smlaier#endif /* INET */ 1162126258Smlaier 1163126258Smlaier#ifdef INET6 1164126258Smlaierint pf_test6(int, struct ifnet *, struct mbuf **); 1165126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1166126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1167126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1168126258Smlaier#endif /* INET6 */ 1169126258Smlaier 1170126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1171126258Smlaier sa_family_t); 1172126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1173126258Smlaierint pflog_packet(struct ifnet *, struct mbuf *, sa_family_t, u_int8_t, 1174126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1175126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1176126258Smlaier struct pf_addr *, sa_family_t); 1177126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1178126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1179126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1180126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1181126258Smlaier 1182126258Smlaiervoid pf_normalize_init(void); 1183126258Smlaierint pf_normalize_ip(struct mbuf **, int, struct ifnet *, u_short *); 1184126258Smlaierint pf_normalize_ip6(struct mbuf **, int, struct ifnet *, u_short *); 1185126258Smlaierint pf_normalize_tcp(int, struct ifnet *, struct mbuf *, int, int, void *, 1186126258Smlaier struct pf_pdesc *); 1187126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1188126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1189126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1190126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1191126258Smlaier u_short *, struct tcphdr *, struct pf_state_peer *, 1192126258Smlaier struct pf_state_peer *, int *); 1193126258Smlaieru_int32_t 1194126258Smlaier pf_state_expires(const struct pf_state *); 1195126258Smlaiervoid pf_purge_expired_fragments(void); 1196126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1197126258Smlaiervoid pfr_initialize(void); 1198126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1199126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1200126258Smlaier u_int64_t, int, int, int); 1201126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1202126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1203126258Smlaierstruct pfr_ktable * 1204126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1205126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1206126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1207126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1208126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1209126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1210126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1211126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1212126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1213126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1214126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1215126258Smlaier int); 1216126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1217126258Smlaier int); 1218126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1219126258Smlaier int *, int *, int *, int); 1220126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1221126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1222126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1223126258Smlaier int); 1224126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1225126258Smlaier int); 1226126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1227126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1228126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1229126258Smlaier int *, u_int32_t, int); 1230126258Smlaier 1231126258Smlaieru_int16_t pf_tagname2tag(char *); 1232126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1233126258Smlaiervoid pf_tag_unref(u_int16_t); 1234126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1235126258Smlaier 1236126258Smlaierextern struct pf_status pf_status; 1237126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1238126258Smlaier 1239126258Smlaierstruct pf_pool_limit { 1240126258Smlaier void *pp; 1241126258Smlaier unsigned limit; 1242126258Smlaier}; 1243126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1244126258Smlaier 1245126258Smlaier#endif /* _KERNEL */ 1246126258Smlaier 1247126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1248126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1249126258Smlaier#ifdef _KERNEL 1250126258Smlaierstruct pf_osfp_enlist * 1251126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1252126258Smlaier const struct tcphdr *); 1253126258Smlaier#endif /* _KERNEL */ 1254126258Smlaierstruct pf_osfp_enlist * 1255126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1256126258Smlaiervoid pf_osfp_flush(void); 1257126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1258126258Smlaiervoid pf_osfp_initialize(void); 1259126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1260126258Smlaierstruct pf_os_fingerprint * 1261126258Smlaier pf_osfp_validate(void); 1262126258Smlaier 1263126258Smlaier 1264126258Smlaier#endif /* _NET_PFVAR_H_ */ 1265