1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _INET_IPCLASSIFIER_H 27 #define _INET_IPCLASSIFIER_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <inet/common.h> 34 #include <inet/ip.h> 35 #include <inet/mi.h> 36 #include <inet/tcp.h> 37 #include <inet/ip6.h> 38 #include <netinet/in.h> /* for IPPROTO_* constants */ 39 #include <sys/sdt.h> 40 #include <sys/socket_proto.h> 41 #include <sys/sunddi.h> 42 #include <sys/sunldi.h> 43 44 typedef void (*edesc_spf)(void *, mblk_t *, void *, int); 45 typedef void (*edesc_rpf)(void *, mblk_t *, void *); 46 47 /* 48 * ============================== 49 * = The CONNECTION = 50 * ============================== 51 */ 52 53 /* 54 * The connection structure contains the common information/flags/ref needed. 55 * Implementation will keep the connection struct, the layers (with their 56 * respective data for event i.e. tcp_t if event was tcp_input) all in one 57 * contiguous memory location. 58 */ 59 60 /* Conn Flags */ 61 /* Unused 0x00020000 */ 62 /* Unused 0x00040000 */ 63 #define IPCL_FULLY_BOUND 0x00080000 /* Bound to correct squeue */ 64 #define IPCL_CHECK_POLICY 0x00100000 /* Needs policy checking */ 65 #define IPCL_SOCKET 0x00200000 /* Sockfs connection */ 66 #define IPCL_ACCEPTOR 0x00400000 /* Sockfs priv acceptor */ 67 #define IPCL_CL_LISTENER 0x00800000 /* Cluster listener */ 68 #define IPCL_EAGER 0x01000000 /* Incoming connection */ 69 /* Unused 0x02000000 */ 70 #define IPCL_TCP6 0x04000000 /* AF_INET6 TCP */ 71 #define IPCL_TCP4 0x08000000 /* IPv4 packet format TCP */ 72 /* Unused 0x10000000 */ 73 /* Unused 0x20000000 */ 74 #define IPCL_CONNECTED 0x40000000 /* Conn in connected table */ 75 #define IPCL_BOUND 0x80000000 /* Conn in bind table */ 76 77 /* Flags identifying the type of conn */ 78 #define IPCL_TCPCONN 0x00000001 /* From tcp_conn_cache */ 79 #define IPCL_SCTPCONN 0x00000002 /* From sctp_conn_cache */ 80 #define IPCL_IPCCONN 0x00000004 /* From ip_conn_cache */ 81 #define IPCL_UDPCONN 0x00000008 /* From udp_conn_cache */ 82 #define IPCL_RAWIPCONN 0x00000010 /* From rawip_conn_cache */ 83 #define IPCL_RTSCONN 0x00000020 /* From rts_conn_cache */ 84 /* Unused 0x00000040 */ 85 #define IPCL_IPTUN 0x00000080 /* iptun module above us */ 86 #define IPCL_NONSTR 0x00001000 /* A non-STREAMS socket */ 87 #define IPCL_IN_SQUEUE 0x10000000 /* Waiting squeue to finish */ 88 89 /* Conn Masks */ 90 #define IPCL_TCP (IPCL_TCP4|IPCL_TCP6) 91 #define IPCL_REMOVED 0x00000100 92 #define IPCL_REUSED 0x00000200 93 94 /* The packet format is IPv4; could be an AF_INET or AF_INET6 socket */ 95 #define IPCL_IS_TCP4(connp) \ 96 (((connp)->conn_flags & IPCL_TCP4)) 97 98 /* Connected AF_INET with no IPsec policy */ 99 #define IPCL_IS_TCP4_CONNECTED_NO_POLICY(connp) \ 100 (((connp)->conn_flags & \ 101 (IPCL_TCP4|IPCL_CONNECTED|IPCL_CHECK_POLICY|IPCL_TCP6)) \ 102 == (IPCL_TCP4|IPCL_CONNECTED)) 103 104 #define IPCL_IS_CONNECTED(connp) \ 105 ((connp)->conn_flags & IPCL_CONNECTED) 106 107 #define IPCL_IS_BOUND(connp) \ 108 ((connp)->conn_flags & IPCL_BOUND) 109 110 /* AF_INET TCP that is bound */ 111 #define IPCL_IS_TCP4_BOUND(connp) \ 112 (((connp)->conn_flags & \ 113 (IPCL_TCP4|IPCL_BOUND|IPCL_TCP6)) == \ 114 (IPCL_TCP4|IPCL_BOUND)) 115 116 #define IPCL_IS_FULLY_BOUND(connp) \ 117 ((connp)->conn_flags & IPCL_FULLY_BOUND) 118 119 /* 120 * Can't use conn_protocol since we need to tell difference 121 * between a real TCP socket and a SOCK_RAW, IPPROTO_TCP. 122 */ 123 #define IPCL_IS_TCP(connp) \ 124 ((connp)->conn_flags & IPCL_TCPCONN) 125 126 #define IPCL_IS_SCTP(connp) \ 127 ((connp)->conn_flags & IPCL_SCTPCONN) 128 129 #define IPCL_IS_UDP(connp) \ 130 ((connp)->conn_flags & IPCL_UDPCONN) 131 132 #define IPCL_IS_RAWIP(connp) \ 133 ((connp)->conn_flags & IPCL_RAWIPCONN) 134 135 #define IPCL_IS_RTS(connp) \ 136 ((connp)->conn_flags & IPCL_RTSCONN) 137 138 #define IPCL_IS_IPTUN(connp) \ 139 ((connp)->conn_flags & IPCL_IPTUN) 140 141 #define IPCL_IS_NONSTR(connp) ((connp)->conn_flags & IPCL_NONSTR) 142 143 typedef struct connf_s connf_t; 144 145 typedef struct 146 { 147 int ctb_depth; 148 #define CONN_STACK_DEPTH 15 149 pc_t ctb_stack[CONN_STACK_DEPTH]; 150 } conn_trace_t; 151 152 typedef struct ip_helper_minor_info_s { 153 dev_t ip_minfo_dev; /* Device */ 154 vmem_t *ip_minfo_arena; /* Arena */ 155 } ip_helper_minfo_t; 156 157 /* 158 * ip helper stream info 159 */ 160 typedef struct ip_helper_stream_info_s { 161 ldi_handle_t iphs_handle; 162 queue_t *iphs_rq; 163 queue_t *iphs_wq; 164 ip_helper_minfo_t *iphs_minfo; 165 } ip_helper_stream_info_t; 166 167 /* 168 * The initial fields in the conn_t are setup by the kmem_cache constructor, 169 * and are preserved when it is freed. Fields after that are bzero'ed when 170 * the conn_t is freed. 171 */ 172 struct conn_s { 173 kmutex_t conn_lock; 174 uint32_t conn_ref; /* Reference counter */ 175 uint32_t conn_flags; /* Conn Flags */ 176 177 178 union { 179 tcp_t *cp_tcp; /* Pointer to the tcp struct */ 180 struct udp_s *cp_udp; /* Pointer to the udp struct */ 181 struct icmp_s *cp_icmp; /* Pointer to rawip struct */ 182 struct rts_s *cp_rts; /* Pointer to rts struct */ 183 struct iptun_s *cp_iptun; /* Pointer to iptun_t */ 184 void *cp_priv; 185 } conn_proto_priv; 186 #define conn_tcp conn_proto_priv.cp_tcp 187 #define conn_udp conn_proto_priv.cp_udp 188 #define conn_icmp conn_proto_priv.cp_icmp 189 #define conn_rts conn_proto_priv.cp_rts 190 #define conn_iptun conn_proto_priv.cp_iptun 191 #define conn_priv conn_proto_priv.cp_priv 192 193 kcondvar_t conn_cv; 194 uint8_t conn_ulp; /* protocol type */ 195 196 edesc_rpf conn_recv; /* Pointer to recv routine */ 197 198 /* Fields after this are bzero'ed when the conn_t is freed. */ 199 200 squeue_t *conn_sqp; /* Squeue for processing */ 201 uint_t conn_state_flags; /* IP state flags */ 202 #define conn_start_clr conn_state_flags 203 204 ire_t *conn_ire_cache; /* outbound ire cache */ 205 unsigned int 206 conn_on_sqp : 1, /* Conn is being processed */ 207 conn_dontroute : 1, /* SO_DONTROUTE state */ 208 conn_loopback : 1, /* SO_LOOPBACK state */ 209 conn_broadcast : 1, /* SO_BROADCAST state */ 210 211 conn_reuseaddr : 1, /* SO_REUSEADDR state */ 212 conn_multicast_loop : 1, /* IP_MULTICAST_LOOP */ 213 conn_multi_router : 1, /* Wants all multicast pkts */ 214 conn_draining : 1, /* ip_wsrv running */ 215 216 conn_did_putbq : 1, /* ip_wput did a putbq */ 217 conn_unspec_src : 1, /* IP_UNSPEC_SRC */ 218 conn_policy_cached : 1, /* Is policy cached/latched ? */ 219 conn_in_enforce_policy : 1, /* Enforce Policy on inbound */ 220 221 conn_out_enforce_policy : 1, /* Enforce Policy on outbound */ 222 conn_af_isv6 : 1, /* ip address family ver 6 */ 223 conn_pkt_isv6 : 1, /* ip packet format ver 6 */ 224 conn_ip_recvpktinfo : 1, /* IPV*_RECVPKTINFO option */ 225 226 conn_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ 227 conn_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ 228 conn_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ 229 conn_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ 230 231 conn_ipv6_recvrtdstopts : 1, /* IPV6_RECVRTHDRDSTOPTS */ 232 conn_ipv6_v6only : 1, /* IPV6_V6ONLY */ 233 conn_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS */ 234 conn_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU */ 235 236 conn_pathmtu_valid : 1, /* The cached mtu is valid. */ 237 conn_ipv6_dontfrag : 1, /* IPV6_DONTFRAG */ 238 conn_fully_bound : 1, /* Fully bound connection */ 239 conn_recvif : 1, /* IP_RECVIF option */ 240 241 conn_recvslla : 1, /* IP_RECVSLLA option */ 242 conn_mdt_ok : 1, /* MDT is permitted */ 243 conn_nexthop_set : 1, 244 conn_allzones : 1; /* SO_ALLZONES */ 245 246 unsigned int 247 conn_lso_ok : 1; /* LSO is usable */ 248 boolean_t conn_direct_blocked; /* conn is flow-controlled */ 249 250 squeue_t *conn_initial_sqp; /* Squeue at open time */ 251 squeue_t *conn_final_sqp; /* Squeue after connect */ 252 ill_t *conn_dhcpinit_ill; /* IP_DHCPINIT_IF */ 253 ipsec_latch_t *conn_latch; /* latched state */ 254 ill_t *conn_outgoing_ill; /* IP{,V6}_BOUND_IF */ 255 edesc_spf conn_send; /* Pointer to send routine */ 256 queue_t *conn_rq; /* Read queue */ 257 queue_t *conn_wq; /* Write queue */ 258 dev_t conn_dev; /* Minor number */ 259 vmem_t *conn_minor_arena; /* Minor arena */ 260 ip_helper_stream_info_t *conn_helper_info; 261 262 cred_t *conn_cred; /* Credentials */ 263 connf_t *conn_g_fanout; /* Global Hash bucket head */ 264 struct conn_s *conn_g_next; /* Global Hash chain next */ 265 struct conn_s *conn_g_prev; /* Global Hash chain prev */ 266 struct ipsec_policy_head_s *conn_policy; /* Configured policy */ 267 in6_addr_t conn_bound_source_v6; 268 #define conn_bound_source V4_PART_OF_V6(conn_bound_source_v6) 269 270 connf_t *conn_fanout; /* Hash bucket we're part of */ 271 struct conn_s *conn_next; /* Hash chain next */ 272 struct conn_s *conn_prev; /* Hash chain prev */ 273 struct { 274 in6_addr_t connua_laddr; /* Local address */ 275 in6_addr_t connua_faddr; /* Remote address */ 276 } connua_v6addr; 277 #define conn_src V4_PART_OF_V6(connua_v6addr.connua_laddr) 278 #define conn_rem V4_PART_OF_V6(connua_v6addr.connua_faddr) 279 #define conn_srcv6 connua_v6addr.connua_laddr 280 #define conn_remv6 connua_v6addr.connua_faddr 281 union { 282 /* Used for classifier match performance */ 283 uint32_t conn_ports2; 284 struct { 285 in_port_t tcpu_fport; /* Remote port */ 286 in_port_t tcpu_lport; /* Local port */ 287 } tcpu_ports; 288 } u_port; 289 #define conn_fport u_port.tcpu_ports.tcpu_fport 290 #define conn_lport u_port.tcpu_ports.tcpu_lport 291 #define conn_ports u_port.conn_ports2 292 #define conn_upq conn_rq 293 uint8_t conn_unused_byte; 294 295 uint_t conn_proto; /* SO_PROTOTYPE state */ 296 ill_t *conn_incoming_ill; /* IP{,V6}_BOUND_IF */ 297 ill_t *conn_oper_pending_ill; /* pending shared ioctl */ 298 299 ilg_t *conn_ilg; /* Group memberships */ 300 int conn_ilg_allocated; /* Number allocated */ 301 int conn_ilg_inuse; /* Number currently used */ 302 int conn_ilg_walker_cnt; /* No of ilg walkers */ 303 /* XXXX get rid of this, once ilg_delete_all is fixed */ 304 kcondvar_t conn_refcv; 305 306 struct ipif_s *conn_multicast_ipif; /* IP_MULTICAST_IF */ 307 ill_t *conn_multicast_ill; /* IPV6_MULTICAST_IF */ 308 struct conn_s *conn_drain_next; /* Next conn in drain list */ 309 struct conn_s *conn_drain_prev; /* Prev conn in drain list */ 310 idl_t *conn_idl; /* Ptr to the drain list head */ 311 mblk_t *conn_ipsec_opt_mp; /* ipsec option mblk */ 312 uint32_t conn_src_preferences; /* prefs for src addr select */ 313 /* mtuinfo from IPV6_PACKET_TOO_BIG conditional on conn_pathmtu_valid */ 314 struct ip6_mtuinfo mtuinfo; 315 zoneid_t conn_zoneid; /* zone connection is in */ 316 in6_addr_t conn_nexthop_v6; /* nexthop IP address */ 317 uchar_t conn_broadcast_ttl; /* IP_BROADCAST_TTL */ 318 #define conn_nexthop_v4 V4_PART_OF_V6(conn_nexthop_v6) 319 cred_t *conn_effective_cred; /* Effective TX credentials */ 320 int conn_rtaware; /* RT_AWARE sockopt value */ 321 kcondvar_t conn_sq_cv; /* For non-STREAMS socket IO */ 322 kthread_t *conn_sq_caller; /* Caller of squeue sync ops */ 323 sock_upcalls_t *conn_upcalls; /* Upcalls to sockfs */ 324 sock_upper_handle_t conn_upper_handle; /* Upper handle: sonode * */ 325 326 unsigned int 327 conn_ulp_labeled : 1, /* ULP label is synced */ 328 conn_mlp_type : 2, /* mlp_type_t; tsol/tndb.h */ 329 conn_anon_mlp : 1, /* user wants anon MLP */ 330 331 conn_anon_port : 1, /* user bound anonymously */ 332 conn_mac_exempt : 1, /* unlabeled with loose MAC */ 333 conn_spare : 26; 334 335 boolean_t conn_flow_cntrld; 336 netstack_t *conn_netstack; /* Corresponds to a netstack_hold */ 337 #ifdef CONN_DEBUG 338 #define CONN_TRACE_MAX 10 339 int conn_trace_last; /* ndx of last used tracebuf */ 340 conn_trace_t conn_trace_buf[CONN_TRACE_MAX]; 341 #endif 342 }; 343 344 /* 345 * These two macros are used by TX. First priority is SCM_UCRED having 346 * set the label in the mblk. Second priority is the open credentials with 347 * peer's label (aka conn_effective_cred). Last priority is the open 348 * credentials. BEST_CRED takes all three into account in the above order. 349 * CONN_CRED is for connection-oriented cases when we don't need to look 350 * at the mblk. 351 */ 352 #define CONN_CRED(connp) ((connp)->conn_effective_cred == NULL ? \ 353 (connp)->conn_cred : (connp)->conn_effective_cred) 354 #define BEST_CRED(mp, connp, pidp) ip_best_cred(mp, connp, pidp) 355 356 /* 357 * connf_t - connection fanout data. 358 * 359 * The hash tables and their linkage (conn_t.{hashnextp, hashprevp} are 360 * protected by the per-bucket lock. Each conn_t inserted in the list 361 * points back at the connf_t that heads the bucket. 362 */ 363 struct connf_s { 364 struct conn_s *connf_head; 365 kmutex_t connf_lock; 366 }; 367 368 #define CONN_INC_REF(connp) { \ 369 mutex_enter(&(connp)->conn_lock); \ 370 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 371 ASSERT(conn_trace_ref(connp)); \ 372 (connp)->conn_ref++; \ 373 ASSERT((connp)->conn_ref != 0); \ 374 mutex_exit(&(connp)->conn_lock); \ 375 } 376 377 #define CONN_INC_REF_LOCKED(connp) { \ 378 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 379 ASSERT(MUTEX_HELD(&(connp)->conn_lock)); \ 380 ASSERT(conn_trace_ref(connp)); \ 381 (connp)->conn_ref++; \ 382 ASSERT((connp)->conn_ref != 0); \ 383 } 384 385 #define CONN_DEC_REF(connp) { \ 386 mutex_enter(&(connp)->conn_lock); \ 387 DTRACE_PROBE1(conn__dec__ref, conn_t *, connp); \ 388 /* \ 389 * The squeue framework always does a CONN_DEC_REF after return \ 390 * from TCP. Hence the refcnt must be at least 2 if conn_on_sqp \ 391 * is B_TRUE and conn_ref is being decremented. This is to \ 392 * account for the mblk being currently processed. \ 393 */ \ 394 if ((connp)->conn_ref == 0 || \ 395 ((connp)->conn_ref == 1 && (connp)->conn_on_sqp)) \ 396 cmn_err(CE_PANIC, "CONN_DEC_REF: connp(%p) has ref " \ 397 "= %d\n", (void *)(connp), (connp)->conn_ref); \ 398 ASSERT(conn_untrace_ref(connp)); \ 399 (connp)->conn_ref--; \ 400 if ((connp)->conn_ref == 0) { \ 401 /* Refcnt can't increase again, safe to drop lock */ \ 402 mutex_exit(&(connp)->conn_lock); \ 403 ipcl_conn_destroy(connp); \ 404 } else { \ 405 cv_broadcast(&(connp)->conn_cv); \ 406 mutex_exit(&(connp)->conn_lock); \ 407 } \ 408 } 409 410 /* 411 * For use with subsystems within ip which use ALL_ZONES as a wildcard 412 */ 413 #define IPCL_ZONEID(connp) \ 414 ((connp)->conn_allzones ? ALL_ZONES : (connp)->conn_zoneid) 415 416 /* 417 * For matching between a conn_t and a zoneid. 418 */ 419 #define IPCL_ZONE_MATCH(connp, zoneid) \ 420 (((connp)->conn_allzones) || \ 421 ((zoneid) == ALL_ZONES) || \ 422 (connp)->conn_zoneid == (zoneid)) 423 424 425 #define _IPCL_V4_MATCH(v6addr, v4addr) \ 426 (V4_PART_OF_V6((v6addr)) == (v4addr) && IN6_IS_ADDR_V4MAPPED(&(v6addr))) 427 428 #define _IPCL_V4_MATCH_ANY(addr) \ 429 (IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) || IN6_IS_ADDR_UNSPECIFIED(&(addr))) 430 431 432 /* 433 * IPCL_PROTO_MATCH() only matches conns with the specified zoneid, while 434 * IPCL_PROTO_MATCH_V6() can match other conns in the multicast case, see 435 * ip_fanout_proto(). 436 */ 437 #define IPCL_PROTO_MATCH(connp, protocol, ipha, ill, \ 438 fanout_flags, zoneid) \ 439 ((((connp)->conn_src == INADDR_ANY) || \ 440 (((connp)->conn_src == ((ipha)->ipha_dst)) && \ 441 (((connp)->conn_rem == INADDR_ANY) || \ 442 ((connp)->conn_rem == ((ipha)->ipha_src))))) && \ 443 IPCL_ZONE_MATCH(connp, zoneid) && \ 444 (conn_wantpacket((connp), (ill), (ipha), (fanout_flags), \ 445 (zoneid)) || ((protocol) == IPPROTO_PIM) || \ 446 ((protocol) == IPPROTO_RSVP))) 447 448 #define IPCL_PROTO_MATCH_V6(connp, protocol, ip6h, ill, \ 449 fanout_flags, zoneid) \ 450 ((IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 451 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &((ip6h)->ip6_dst)) && \ 452 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 453 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &((ip6h)->ip6_src))))) && \ 454 (conn_wantpacket_v6((connp), (ill), (ip6h), \ 455 (fanout_flags), (zoneid)) || ((protocol) == IPPROTO_RSVP))) 456 457 #define IPCL_CONN_HASH(src, ports, ipst) \ 458 ((unsigned)(ntohl((src)) ^ ((ports) >> 24) ^ ((ports) >> 16) ^ \ 459 ((ports) >> 8) ^ (ports)) % (ipst)->ips_ipcl_conn_fanout_size) 460 461 #define IPCL_CONN_HASH_V6(src, ports, ipst) \ 462 IPCL_CONN_HASH(V4_PART_OF_V6((src)), (ports), (ipst)) 463 464 #define IPCL_CONN_MATCH(connp, proto, src, dst, ports) \ 465 ((connp)->conn_ulp == (proto) && \ 466 (connp)->conn_ports == (ports) && \ 467 _IPCL_V4_MATCH((connp)->conn_remv6, (src)) && \ 468 _IPCL_V4_MATCH((connp)->conn_srcv6, (dst)) && \ 469 !(connp)->conn_ipv6_v6only) 470 471 #define IPCL_CONN_MATCH_V6(connp, proto, src, dst, ports) \ 472 ((connp)->conn_ulp == (proto) && \ 473 (connp)->conn_ports == (ports) && \ 474 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(src)) && \ 475 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(dst))) 476 477 #define IPCL_CONN_INIT(connp, protocol, src, rem, ports) { \ 478 (connp)->conn_ulp = protocol; \ 479 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 480 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 481 (connp)->conn_ports = ports; \ 482 } 483 484 #define IPCL_CONN_INIT_V6(connp, protocol, src, rem, ports) { \ 485 (connp)->conn_ulp = protocol; \ 486 (connp)->conn_srcv6 = src; \ 487 (connp)->conn_remv6 = rem; \ 488 (connp)->conn_ports = ports; \ 489 } 490 491 #define IPCL_PORT_HASH(port, size) \ 492 ((((port) >> 8) ^ (port)) & ((size) - 1)) 493 494 #define IPCL_BIND_HASH(lport, ipst) \ 495 ((unsigned)(((lport) >> 8) ^ (lport)) % \ 496 (ipst)->ips_ipcl_bind_fanout_size) 497 498 #define IPCL_BIND_MATCH(connp, proto, laddr, lport) \ 499 ((connp)->conn_ulp == (proto) && \ 500 (connp)->conn_lport == (lport) && \ 501 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 502 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr))) && \ 503 !(connp)->conn_ipv6_v6only) 504 505 #define IPCL_BIND_MATCH_V6(connp, proto, laddr, lport) \ 506 ((connp)->conn_ulp == (proto) && \ 507 (connp)->conn_lport == (lport) && \ 508 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) || \ 509 IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6))) 510 511 #define IPCL_UDP_MATCH(connp, lport, laddr, fport, faddr) \ 512 (((connp)->conn_lport == (lport)) && \ 513 ((_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 514 (_IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)) && \ 515 (_IPCL_V4_MATCH_ANY((connp)->conn_remv6) || \ 516 (_IPCL_V4_MATCH((connp)->conn_remv6, (faddr)) && \ 517 (connp)->conn_fport == (fport)))))) && \ 518 !(connp)->conn_ipv6_v6only) 519 520 #define IPCL_UDP_MATCH_V6(connp, lport, laddr, fport, faddr) \ 521 (((connp)->conn_lport == (lport)) && \ 522 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 523 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) && \ 524 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 525 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(faddr)) && \ 526 (connp)->conn_fport == (fport)))))) 527 528 #define IPCL_IPTUN_HASH(laddr, faddr) \ 529 ((ntohl(laddr) ^ ((ntohl(faddr) << 24) | (ntohl(faddr) >> 8))) % \ 530 ipcl_iptun_fanout_size) 531 532 #define IPCL_IPTUN_HASH_V6(laddr, faddr) \ 533 IPCL_IPTUN_HASH((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \ 534 (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3], \ 535 (faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \ 536 (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) 537 538 #define IPCL_IPTUN_MATCH(connp, laddr, faddr) \ 539 (_IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)) && \ 540 _IPCL_V4_MATCH((connp)->conn_remv6, (faddr))) 541 542 #define IPCL_IPTUN_MATCH_V6(connp, laddr, faddr) \ 543 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, (laddr)) && \ 544 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, (faddr))) 545 546 #define IPCL_TCP_EAGER_INIT(connp, protocol, src, rem, ports) { \ 547 (connp)->conn_flags |= (IPCL_TCP4|IPCL_EAGER); \ 548 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 549 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 550 (connp)->conn_ports = ports; \ 551 (connp)->conn_send = ip_output; \ 552 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 553 (connp)->conn_initial_sqp = (connp)->conn_sqp; \ 554 } 555 556 #define IPCL_TCP_EAGER_INIT_V6(connp, protocol, src, rem, ports) { \ 557 (connp)->conn_flags |= (IPCL_TCP6|IPCL_EAGER); \ 558 (connp)->conn_srcv6 = src; \ 559 (connp)->conn_remv6 = rem; \ 560 (connp)->conn_ports = ports; \ 561 (connp)->conn_send = ip_output_v6; \ 562 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 563 (connp)->conn_initial_sqp = (connp)->conn_sqp; \ 564 } 565 566 #define IPCL_UDP_HASH(lport, ipst) \ 567 IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_udp_fanout_size) 568 569 #define CONN_G_HASH_SIZE 1024 570 571 /* Raw socket hash function. */ 572 #define IPCL_RAW_HASH(lport, ipst) \ 573 IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_raw_fanout_size) 574 575 /* 576 * This is similar to IPCL_BIND_MATCH except that the local port check 577 * is changed to a wildcard port check. 578 */ 579 #define IPCL_RAW_MATCH(connp, proto, laddr) \ 580 ((connp)->conn_ulp == (proto) && \ 581 (connp)->conn_lport == 0 && \ 582 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 583 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)))) 584 585 #define IPCL_RAW_MATCH_V6(connp, proto, laddr) \ 586 ((connp)->conn_ulp == (proto) && \ 587 (connp)->conn_lport == 0 && \ 588 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 589 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)))) 590 591 /* Function prototypes */ 592 extern void ipcl_g_init(void); 593 extern void ipcl_init(ip_stack_t *); 594 extern void ipcl_g_destroy(void); 595 extern void ipcl_destroy(ip_stack_t *); 596 extern conn_t *ipcl_conn_create(uint32_t, int, netstack_t *); 597 extern void ipcl_conn_destroy(conn_t *); 598 599 void ipcl_hash_insert_wildcard(connf_t *, conn_t *); 600 void ipcl_hash_remove(conn_t *); 601 void ipcl_hash_remove_locked(conn_t *connp, connf_t *connfp); 602 603 extern int ipcl_bind_insert(conn_t *, uint8_t, ipaddr_t, uint16_t); 604 extern int ipcl_bind_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 605 uint16_t); 606 extern int ipcl_conn_insert(conn_t *, uint8_t, ipaddr_t, ipaddr_t, 607 uint32_t); 608 extern int ipcl_conn_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 609 const in6_addr_t *, uint32_t, uint_t); 610 extern conn_t *ipcl_get_next_conn(connf_t *, conn_t *, uint32_t); 611 612 void ipcl_proto_insert(conn_t *, uint8_t); 613 void ipcl_proto_insert_v6(conn_t *, uint8_t); 614 conn_t *ipcl_classify_v4(mblk_t *, uint8_t, uint_t, zoneid_t, ip_stack_t *); 615 conn_t *ipcl_classify_v6(mblk_t *, uint8_t, uint_t, zoneid_t, ip_stack_t *); 616 conn_t *ipcl_classify(mblk_t *, zoneid_t, ip_stack_t *); 617 conn_t *ipcl_classify_raw(mblk_t *, uint8_t, zoneid_t, uint32_t, ipha_t *, 618 ip_stack_t *); 619 conn_t *ipcl_iptun_classify_v4(ipaddr_t *, ipaddr_t *, ip_stack_t *); 620 conn_t *ipcl_iptun_classify_v6(in6_addr_t *, in6_addr_t *, ip_stack_t *); 621 void ipcl_globalhash_insert(conn_t *); 622 void ipcl_globalhash_remove(conn_t *); 623 void ipcl_walk(pfv_t, void *, ip_stack_t *); 624 conn_t *ipcl_tcp_lookup_reversed_ipv4(ipha_t *, tcph_t *, int, ip_stack_t *); 625 conn_t *ipcl_tcp_lookup_reversed_ipv6(ip6_t *, tcpha_t *, int, uint_t, 626 ip_stack_t *); 627 conn_t *ipcl_lookup_listener_v4(uint16_t, ipaddr_t, zoneid_t, ip_stack_t *); 628 conn_t *ipcl_lookup_listener_v6(uint16_t, in6_addr_t *, uint_t, zoneid_t, 629 ip_stack_t *); 630 int conn_trace_ref(conn_t *); 631 int conn_untrace_ref(conn_t *); 632 void ipcl_conn_cleanup(conn_t *); 633 conn_t *ipcl_conn_tcp_lookup_reversed_ipv4(conn_t *, ipha_t *, tcph_t *, 634 ip_stack_t *); 635 conn_t *ipcl_conn_tcp_lookup_reversed_ipv6(conn_t *, ip6_t *, tcph_t *, 636 ip_stack_t *); 637 638 extern int ip_create_helper_stream(conn_t *connp, ldi_ident_t li); 639 extern void ip_free_helper_stream(conn_t *connp); 640 641 extern int ip_get_options(conn_t *, int, int, void *, t_uscalar_t *, cred_t *); 642 extern int ip_set_options(conn_t *, int, int, const void *, t_uscalar_t, 643 cred_t *); 644 645 #ifdef __cplusplus 646 } 647 #endif 648 649 #endif /* _INET_IPCLASSIFIER_H */ 650