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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _INET_IPCLASSIFIER_H 28 #define _INET_IPCLASSIFIER_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <inet/common.h> 37 #include <inet/ip.h> 38 #include <inet/mi.h> 39 #include <inet/tcp.h> 40 #include <inet/udp_impl.h> 41 #include <inet/ip6.h> 42 #include <netinet/in.h> /* for IPPROTO_* constants */ 43 #include <sys/sdt.h> 44 45 typedef void (*edesc_spf)(void *, mblk_t *, void *, int); 46 typedef void (*edesc_rpf)(void *, mblk_t *, void *); 47 48 /* 49 * ============================== 50 * = The CONNECTION = 51 * ============================== 52 */ 53 54 /* 55 * The connection structure contains the common information/flags/ref needed. 56 * Implementation will keep the connection struct, the layers (with their 57 * respective data for event i.e. tcp_t if event was tcp_input) all in one 58 * contiguous memory location. 59 */ 60 61 /* Conn Flags */ 62 #define IPCL_UDPMOD 0x00020000 /* Is UDP module instance */ 63 #define IPCL_TCPMOD 0x00040000 /* Is TCP module instance */ 64 #define IPCL_FULLY_BOUND 0x00080000 /* Bound to correct squeue */ 65 #define IPCL_CHECK_POLICY 0x00100000 /* Needs policy checking */ 66 #define IPCL_SOCKET 0x00200000 /* Sockfs connection */ 67 #define IPCL_ACCEPTOR 0x00400000 /* Sockfs priv acceptor */ 68 #define IPCL_CL_LISTENER 0x00800000 /* Cluster listener */ 69 #define IPCL_EAGER 0x01000000 /* Incoming connection */ 70 #define IPCL_UDP 0x02000000 /* A UDP connection */ 71 #define IPCL_TCP6 0x04000000 /* A TCP6 connection */ 72 #define IPCL_TCP4 0x08000000 /* A TCP connection */ 73 #define IPCL_CONNECTED 0x40000000 /* Conn in connected table */ 74 #define IPCL_BOUND 0x80000000 /* Conn in bind table */ 75 76 /* Flags identifying the type of conn */ 77 #define IPCL_TCPCONN 0x00000001 /* Flag to indicate cache */ 78 #define IPCL_SCTPCONN 0x00000002 79 #define IPCL_IPCCONN 0x00000004 80 #define IPCL_ISV6 0x00000008 /* Is a V6 connection */ 81 82 /* Conn Masks */ 83 #define IPCL_TCP (IPCL_TCP4|IPCL_TCP6) 84 #define IPCL_REMOVED 0x00000020 85 #define IPCL_REUSED 0x00000040 86 87 #define IPCL_IS_TCP4(connp) \ 88 (((connp)->conn_flags & IPCL_TCP4)) 89 90 #define IPCL_IS_TCP4_CONNECTED_NO_POLICY(connp) \ 91 (((connp)->conn_flags & \ 92 (IPCL_TCP4|IPCL_CONNECTED|IPCL_CHECK_POLICY|IPCL_TCP6)) \ 93 == (IPCL_TCP4|IPCL_CONNECTED)) 94 95 #define IPCL_IS_CONNECTED(connp) \ 96 ((connp)->conn_flags & IPCL_CONNECTED) 97 98 #define IPCL_IS_BOUND(connp) \ 99 ((connp)->conn_flags & IPCL_BOUND) 100 101 #define IPCL_IS_TCP4_BOUND(connp) \ 102 (((connp)->conn_flags & \ 103 (IPCL_TCP4|IPCL_BOUND|IPCL_TCP6)) == \ 104 (IPCL_TCP4|IPCL_BOUND)) 105 106 #define IPCL_IS_FULLY_BOUND(connp) \ 107 ((connp)->conn_flags & IPCL_FULLY_BOUND) 108 109 #define IPCL_IS_TCP(connp) \ 110 ((connp)->conn_flags & (IPCL_TCP4|IPCL_TCP6)) 111 112 /* 113 * IPCL_UDP is set on the conn when udp is directly above ip; 114 * this flag is cleared the moment udp is popped. 115 */ 116 #define IPCL_IS_UDP(connp) \ 117 ((connp)->conn_flags & IPCL_UDP) 118 119 #define IPCL_IS_IPTUN(connp) \ 120 ((connp)->conn_ulp == IPPROTO_ENCAP || \ 121 (connp)->conn_ulp == IPPROTO_IPV6) 122 123 typedef struct connf_s connf_t; 124 typedef struct 125 { 126 int ctb_depth; 127 #define IP_STACK_DEPTH 15 128 pc_t ctb_stack[IP_STACK_DEPTH]; 129 } conn_trace_t; 130 131 struct conn_s { 132 kmutex_t conn_lock; 133 uint32_t conn_ref; /* Reference counter */ 134 uint_t conn_state_flags; /* IP state flags */ 135 ire_t *conn_ire_cache; /* outbound ire cache */ 136 uint32_t conn_flags; /* Conn Flags */ 137 unsigned int 138 conn_on_sqp : 1, /* Conn is being processed */ 139 conn_dontroute : 1, /* SO_DONTROUTE state */ 140 conn_loopback : 1, /* SO_LOOPBACK state */ 141 conn_broadcast : 1, /* SO_BROADCAST state */ 142 conn_reuseaddr : 1, /* SO_REUSEADDR state */ 143 144 conn_multicast_loop : 1, /* IP_MULTICAST_LOOP */ 145 conn_multi_router : 1, /* Wants all multicast pkts */ 146 conn_draining : 1, /* ip_wsrv running */ 147 conn_did_putbq : 1, /* ip_wput did a putbq */ 148 149 conn_unspec_src : 1, /* IP_UNSPEC_SRC */ 150 conn_policy_cached : 1, /* Is policy cached/latched ? */ 151 conn_in_enforce_policy : 1, /* Enforce Policy on inbound */ 152 conn_out_enforce_policy : 1, /* Enforce Policy on outbound */ 153 154 conn_af_isv6 : 1, /* ip address family ver 6 */ 155 conn_pkt_isv6 : 1, /* ip packet format ver 6 */ 156 conn_ipv6_recvpktinfo : 1, /* IPV6_RECVPKTINFO option */ 157 conn_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ 158 159 conn_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ 160 conn_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ 161 conn_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ 162 conn_ipv6_recvrtdstopts : 1, /* IPV6_RECVRTHDRDSTOPTS */ 163 conn_ipv6_v6only : 1, /* IPV6_V6ONLY */ 164 conn_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS */ 165 conn_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU */ 166 conn_pathmtu_valid : 1, /* The cached mtu is valid. */ 167 conn_ipv6_dontfrag : 1, /* IPV6_DONTFRAG */ 168 /* 169 * This option can take on values in [-1, 1] so we store it 170 * +1. Manifest constants IPV6_USE_MIN_MTU_* describe these 171 * values. 172 */ 173 conn_fully_bound : 1, /* Fully bound connection */ 174 conn_recvif : 1, /* IP_RECVIF option */ 175 conn_recvslla : 1, /* IP_RECVSLLA option */ 176 conn_mdt_ok : 1, /* MDT is permitted */ 177 conn_nexthop_set : 1, 178 pad_to_bit_31 : 1; 179 180 tcp_t *conn_tcp; /* Pointer to the tcp struct */ 181 udp_t *conn_udp; /* Pointer to the udp struct */ 182 183 squeue_t *conn_sqp; /* Squeue for processing */ 184 edesc_rpf conn_recv; /* Pointer to recv routine */ 185 void *conn_pad1; 186 187 ill_t *conn_xmit_if_ill; /* Outbound ill */ 188 ill_t *conn_nofailover_ill; /* Failover ill */ 189 ipsec_latch_t *conn_latch; /* latched state */ 190 ill_t *conn_outgoing_ill; /* IP{,V6}_BOUND_IF */ 191 edesc_spf conn_send; /* Pointer to send routine */ 192 queue_t *conn_rq; /* Read queue */ 193 queue_t *conn_wq; /* Write queue */ 194 dev_t conn_dev; /* Minor number */ 195 196 cred_t *conn_cred; /* Credentials */ 197 connf_t *conn_g_fanout; /* Global Hash bucket head */ 198 struct conn_s *conn_g_next; /* Global Hash chain next */ 199 struct conn_s *conn_g_prev; /* Global Hash chain prev */ 200 struct ipsec_policy_head_s *conn_policy; /* Configured policy */ 201 in6_addr_t conn_bound_source_v6; 202 #define conn_bound_source V4_PART_OF_V6(conn_bound_source_v6) 203 void *conn_void[1]; 204 205 connf_t *conn_fanout; /* Hash bucket we're part of */ 206 struct conn_s *conn_next; /* Hash chain next */ 207 struct conn_s *conn_prev; /* Hash chain prev */ 208 struct { 209 in6_addr_t connua_laddr; /* Local address */ 210 in6_addr_t connua_faddr; /* Remote address */ 211 } connua_v6addr; 212 #define conn_src V4_PART_OF_V6(connua_v6addr.connua_laddr) 213 #define conn_rem V4_PART_OF_V6(connua_v6addr.connua_faddr) 214 #define conn_srcv6 connua_v6addr.connua_laddr 215 #define conn_remv6 connua_v6addr.connua_faddr 216 union { 217 /* Used for classifier match performance */ 218 uint32_t conn_ports2; 219 struct { 220 in_port_t tcpu_fport; /* Remote port */ 221 in_port_t tcpu_lport; /* Local port */ 222 } tcpu_ports; 223 } u_port; 224 #define conn_fport u_port.tcpu_ports.tcpu_fport 225 #define conn_lport u_port.tcpu_ports.tcpu_lport 226 #define conn_ports u_port.conn_ports2 227 #define conn_upq conn_rq 228 uint8_t conn_ulp; /* protocol type */ 229 uint8_t conn_unused_byte; 230 kcondvar_t conn_cv; 231 232 uint_t conn_proto; /* SO_PROTOTYPE state */ 233 ill_t *conn_incoming_ill; /* IP{,V6}_BOUND_IF */ 234 ill_t *conn_outgoing_pill; /* IP{,V6}_BOUND_PIF */ 235 ill_t *conn_oper_pending_ill; /* pending shared ioctl */ 236 ill_t *conn_xioctl_pending_ill; /* pending excl ioctl */ 237 238 /* this is used only when an unbind is in progress.. */ 239 struct sq_s *conn_pending_sq; /* waiting for ioctl on sq */ 240 ilg_t *conn_ilg; /* Group memberships */ 241 int conn_ilg_allocated; /* Number allocated */ 242 int conn_ilg_inuse; /* Number currently used */ 243 int conn_ilg_walker_cnt; /* No of ilg walkers */ 244 /* XXXX get rid of this, once ilg_delete_all is fixed */ 245 kcondvar_t conn_refcv; 246 247 struct ipif_s *conn_multicast_ipif; /* IP_MULTICAST_IF */ 248 ill_t *conn_multicast_ill; /* IPV6_MULTICAST_IF */ 249 int conn_orig_bound_ifindex; /* BOUND_IF before MOVE */ 250 int conn_orig_multicast_ifindex; 251 /* IPv6 MC IF before MOVE */ 252 int conn_orig_xmit_ifindex; /* IP_XMIT_IF before move */ 253 struct conn_s *conn_drain_next; /* Next conn in drain list */ 254 struct conn_s *conn_drain_prev; /* Prev conn in drain list */ 255 idl_t *conn_idl; /* Ptr to the drain list head */ 256 mblk_t *conn_ipsec_opt_mp; /* ipsec option mblk */ 257 uint32_t conn_src_preferences; /* prefs for src addr select */ 258 /* mtuinfo from IPV6_PACKET_TOO_BIG conditional on conn_pathmtu_valid */ 259 struct ip6_mtuinfo mtuinfo; 260 zoneid_t conn_zoneid; /* zone connection is in */ 261 in6_addr_t conn_nexthop_v6; /* nexthop IP address */ 262 #define conn_nexthop_v4 V4_PART_OF_V6(conn_nexthop_v6) 263 #ifdef CONN_DEBUG 264 #define CONN_TRACE_MAX 10 265 int conn_trace_last; /* ndx of last used tracebuf */ 266 conn_trace_t conn_trace_buf[CONN_TRACE_MAX]; 267 #endif 268 }; 269 270 /* 271 * connf_t - connection fanout data. 272 * 273 * The hash tables and their linkage (conn_t.{hashnextp, hashprevp} are 274 * protected by the per-bucket lock. Each conn_t inserted in the list 275 * points back at the connf_t that heads the bucket. 276 */ 277 278 struct connf_s { 279 struct conn_s *connf_head; 280 kmutex_t connf_lock; 281 }; 282 283 #define CONN_INC_REF(connp) { \ 284 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 285 mutex_enter(&(connp)->conn_lock); \ 286 ASSERT(conn_trace_ref(connp)); \ 287 (connp)->conn_ref++; \ 288 ASSERT((connp)->conn_ref != 0); \ 289 mutex_exit(&(connp)->conn_lock); \ 290 } 291 292 #define CONN_INC_REF_LOCKED(connp) { \ 293 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 294 ASSERT(MUTEX_HELD(&(connp)->conn_lock)); \ 295 ASSERT(conn_trace_ref(connp)); \ 296 (connp)->conn_ref++; \ 297 ASSERT((connp)->conn_ref != 0); \ 298 } 299 300 #define CONN_DEC_REF(connp) { \ 301 DTRACE_PROBE1(conn__dec__ref, conn_t *, connp); \ 302 mutex_enter(&(connp)->conn_lock); \ 303 if ((connp)->conn_ref <= 0) \ 304 cmn_err(CE_PANIC, "CONN_DEC_REF: connp(%p) has ref " \ 305 "= %d\n", (void *)(connp), (connp)->conn_ref); \ 306 ASSERT(conn_untrace_ref(connp)); \ 307 (connp)->conn_ref--; \ 308 if ((connp)->conn_ref == 0) { \ 309 /* Refcnt can't increase again, safe to drop lock */ \ 310 mutex_exit(&(connp)->conn_lock); \ 311 ipcl_conn_destroy(connp); \ 312 } else { \ 313 cv_broadcast(&(connp)->conn_cv); \ 314 mutex_exit(&(connp)->conn_lock); \ 315 } \ 316 } 317 318 #define _IPCL_V4_MATCH(v6addr, v4addr) \ 319 (V4_PART_OF_V6((v6addr)) == (v4addr) && IN6_IS_ADDR_V4MAPPED(&(v6addr))) 320 321 #define _IPCL_V4_MATCH_ANY(addr) \ 322 (IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) || IN6_IS_ADDR_UNSPECIFIED(&(addr))) 323 324 /* 325 * IPCL_PROTO_MATCH() only matches conns with the specified zoneid, while 326 * IPCL_PROTO_MATCH_V6() can match other conns in the multicast case, see 327 * ip_fanout_proto(). 328 */ 329 #define IPCL_PROTO_MATCH(connp, protocol, ipha, ill, \ 330 fanout_flags, zoneid) \ 331 ((((connp)->conn_src == INADDR_ANY) || \ 332 (((connp)->conn_src == ((ipha)->ipha_dst)) && \ 333 (((connp)->conn_rem == INADDR_ANY) || \ 334 ((connp)->conn_rem == ((ipha)->ipha_src))))) && \ 335 ((connp)->conn_zoneid == (zoneid)) && \ 336 (conn_wantpacket((connp), (ill), (ipha), \ 337 (fanout_flags), (zoneid)) || ((protocol) == IPPROTO_PIM) || \ 338 ((protocol) == IPPROTO_RSVP))) 339 340 #define IPCL_PROTO_MATCH_V6(connp, protocol, ip6h, ill, \ 341 fanout_flags, zoneid) \ 342 ((IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 343 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &((ip6h)->ip6_dst)) && \ 344 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 345 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &((ip6h)->ip6_src))))) && \ 346 (conn_wantpacket_v6((connp), (ill), (ip6h), \ 347 (fanout_flags), (zoneid)) || ((protocol) == IPPROTO_RSVP))) 348 349 #define IPCL_CONN_HASH(src, ports) \ 350 ((unsigned)(ntohl((src)) ^ ((ports) >> 24) ^ ((ports) >> 16) ^ \ 351 ((ports) >> 8) ^ (ports)) % ipcl_conn_fanout_size) 352 353 #define IPCL_CONN_HASH_V6(src, ports) \ 354 IPCL_CONN_HASH(V4_PART_OF_V6((src)), (ports)) 355 356 #define IPCL_CONN_MATCH(connp, proto, src, dst, ports) \ 357 ((connp)->conn_ulp == (proto) && \ 358 (connp)->conn_ports == (ports) && \ 359 _IPCL_V4_MATCH((connp)->conn_remv6, (src)) && \ 360 _IPCL_V4_MATCH((connp)->conn_srcv6, (dst)) && \ 361 !(connp)->conn_ipv6_v6only) 362 363 #define IPCL_CONN_MATCH_V6(connp, proto, src, dst, ports) \ 364 ((connp)->conn_ulp == (proto) && \ 365 (connp)->conn_ports == (ports) && \ 366 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(src)) && \ 367 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(dst))) 368 369 #define IPCL_CONN_INIT(connp, protocol, src, rem, ports) { \ 370 (connp)->conn_ulp = protocol; \ 371 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 372 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 373 (connp)->conn_ports = ports; \ 374 } 375 376 #define IPCL_CONN_INIT_V6(connp, protocol, src, rem, ports) { \ 377 (connp)->conn_ulp = protocol; \ 378 (connp)->conn_srcv6 = src; \ 379 (connp)->conn_remv6 = rem; \ 380 (connp)->conn_ports = ports; \ 381 } 382 383 #define IPCL_BIND_HASH(lport) \ 384 ((unsigned)(((lport) >> 8) ^ (lport)) % ipcl_bind_fanout_size) 385 386 #define IPCL_BIND_MATCH(connp, proto, laddr, lport) \ 387 ((connp)->conn_ulp == (proto) && \ 388 (connp)->conn_lport == (lport) && \ 389 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 390 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr))) && \ 391 !(connp)->conn_ipv6_v6only) 392 393 #define IPCL_BIND_MATCH_V6(connp, proto, laddr, lport) \ 394 ((connp)->conn_ulp == (proto) && \ 395 (connp)->conn_lport == (lport) && \ 396 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) || \ 397 IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6))) 398 399 #define IPCL_UDP_MATCH(connp, lport, laddr, fport, faddr) \ 400 (((connp)->conn_lport == (lport)) && \ 401 ((_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 402 (_IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)) && \ 403 (_IPCL_V4_MATCH_ANY((connp)->conn_remv6) || \ 404 (_IPCL_V4_MATCH((connp)->conn_remv6, (faddr)) && \ 405 (connp)->conn_fport == (fport)))))) && \ 406 !(connp)->conn_ipv6_v6only) 407 408 #define IPCL_UDP_MATCH_V6(connp, lport, laddr, fport, faddr) \ 409 (((connp)->conn_lport == (lport)) && \ 410 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 411 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) && \ 412 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 413 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(faddr)) && \ 414 (connp)->conn_fport == (fport)))))) 415 416 #define IPCL_TCP_EAGER_INIT(connp, protocol, src, rem, ports) { \ 417 (connp)->conn_flags |= (IPCL_TCP4|IPCL_EAGER); \ 418 (connp)->conn_ulp = protocol; \ 419 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 420 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 421 (connp)->conn_ports = ports; \ 422 (connp)->conn_send = ip_output; \ 423 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 424 } 425 426 #define IPCL_TCP_EAGER_INIT_V6(connp, protocol, src, rem, ports) { \ 427 (connp)->conn_flags |= (IPCL_TCP6|IPCL_EAGER); \ 428 (connp)->conn_ulp = protocol; \ 429 (connp)->conn_srcv6 = src; \ 430 (connp)->conn_remv6 = rem; \ 431 (connp)->conn_ports = ports; \ 432 (connp)->conn_send = ip_output_v6; \ 433 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 434 } 435 436 #define ipcl_proto_search(protocol) \ 437 (ipcl_proto_fanout[(protocol)].connf_head) 438 439 #ifdef _BIG_ENDIAN 440 #define IPCL_UDP_HASH(port) ((port) & 0xFF) 441 #else /* _BIG_ENDIAN */ 442 #define IPCL_UDP_HASH(port) (((uint16_t)(port)) >> 8) 443 #endif /* _BIG_ENDIAN */ 444 445 #define CONN_G_HASH_SIZE 1024 446 447 /* Raw socket hash function. */ 448 #define IPCL_RAW_HASH(lport) (((lport) * 31) & (ipcl_raw_fanout_size - 1)) 449 450 /* 451 * This is similar to IPCL_BIND_MATCH except that the local port check 452 * is changed to a wildcard port check. 453 */ 454 #define IPCL_RAW_MATCH(connp, proto, laddr) \ 455 ((connp)->conn_ulp == (proto) && \ 456 (connp)->conn_lport == 0 && \ 457 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 458 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)))) 459 460 #define IPCL_RAW_MATCH_V6(connp, proto, laddr) \ 461 ((connp)->conn_ulp == (proto) && \ 462 (connp)->conn_lport == 0 && \ 463 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 464 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)))) 465 466 /* hash tables */ 467 extern connf_t rts_clients; 468 extern connf_t *ipcl_conn_fanout; 469 extern connf_t *ipcl_bind_fanout; 470 extern connf_t ipcl_proto_fanout[IPPROTO_MAX + 1]; 471 extern connf_t ipcl_proto_fanout_v6[IPPROTO_MAX + 1]; 472 extern connf_t *ipcl_udp_fanout; 473 extern connf_t *ipcl_globalhash_fanout; 474 extern connf_t *ipcl_raw_fanout; 475 extern uint_t ipcl_conn_fanout_size; 476 extern uint_t ipcl_bind_fanout_size; 477 extern uint_t ipcl_udp_fanout_size; 478 extern uint_t ipcl_raw_fanout_size; 479 480 /* Function prototypes */ 481 extern void ipcl_init(void); 482 extern void ipcl_destroy(void); 483 extern conn_t *ipcl_conn_create(uint32_t, int); 484 extern void ipcl_conn_destroy(conn_t *); 485 486 void ipcl_hash_insert_connected(connf_t *, conn_t *); 487 void ipcl_hash_insert_bound(connf_t *, conn_t *); 488 void ipcl_hash_insert_wildcard(connf_t *, conn_t *); 489 void ipcl_hash_remove(conn_t *); 490 void ipcl_hash_remove_locked(conn_t *connp, connf_t *connfp); 491 492 extern int ipcl_bind_insert(conn_t *, uint8_t, ipaddr_t, uint16_t); 493 extern int ipcl_bind_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 494 uint16_t); 495 extern int ipcl_conn_insert(conn_t *, uint8_t, ipaddr_t, ipaddr_t, 496 uint32_t); 497 extern int ipcl_conn_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 498 const in6_addr_t *, uint32_t, uint_t); 499 extern conn_t *ipcl_get_next_conn(connf_t *, conn_t *, uint32_t); 500 501 void ipcl_proto_insert(conn_t *, uint8_t); 502 void ipcl_proto_insert_v6(conn_t *, uint8_t); 503 conn_t *ipcl_classify_v4(mblk_t *, uint8_t, uint_t, zoneid_t); 504 conn_t *ipcl_classify_v6(mblk_t *, uint8_t, uint_t, zoneid_t); 505 conn_t *ipcl_classify(mblk_t *, zoneid_t); 506 conn_t *ipcl_classify_raw(uint8_t, zoneid_t, uint32_t, ipha_t *); 507 void ipcl_globalhash_insert(conn_t *); 508 void ipcl_globalhash_remove(conn_t *); 509 void ipcl_walk(pfv_t, void *); 510 conn_t *ipcl_tcp_lookup_reversed_ipv4(ipha_t *, tcph_t *, int); 511 conn_t *ipcl_tcp_lookup_reversed_ipv6(ip6_t *, tcpha_t *, int, uint_t); 512 conn_t *ipcl_lookup_listener_v4(uint16_t, ipaddr_t, zoneid_t); 513 conn_t *ipcl_lookup_listener_v6(uint16_t, in6_addr_t *, uint_t, zoneid_t); 514 int conn_trace_ref(conn_t *); 515 int conn_untrace_ref(conn_t *); 516 conn_t *ipcl_conn_tcp_lookup_reversed_ipv4(conn_t *, ipha_t *, tcph_t *); 517 conn_t *ipcl_conn_tcp_lookup_reversed_ipv6(conn_t *, ip6_t *, tcph_t *); 518 #ifdef __cplusplus 519 } 520 #endif 521 522 #endif /* _INET_IPCLASSIFIER_H */ 523