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 2007 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 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <inet/common.h> 36 #include <inet/ip.h> 37 #include <inet/mi.h> 38 #include <inet/tcp.h> 39 #include <inet/ip6.h> 40 #include <netinet/in.h> /* for IPPROTO_* constants */ 41 #include <sys/sdt.h> 42 43 typedef void (*edesc_spf)(void *, mblk_t *, void *, int); 44 typedef void (*edesc_rpf)(void *, mblk_t *, void *); 45 46 /* 47 * ============================== 48 * = The CONNECTION = 49 * ============================== 50 */ 51 52 /* 53 * The connection structure contains the common information/flags/ref needed. 54 * Implementation will keep the connection struct, the layers (with their 55 * respective data for event i.e. tcp_t if event was tcp_input) all in one 56 * contiguous memory location. 57 */ 58 59 /* Conn Flags */ 60 #define IPCL_UDPMOD 0x00020000 /* Is UDP module instance */ 61 #define IPCL_TCPMOD 0x00040000 /* Is TCP module instance */ 62 #define IPCL_FULLY_BOUND 0x00080000 /* Bound to correct squeue */ 63 #define IPCL_CHECK_POLICY 0x00100000 /* Needs policy checking */ 64 #define IPCL_SOCKET 0x00200000 /* Sockfs connection */ 65 #define IPCL_ACCEPTOR 0x00400000 /* Sockfs priv acceptor */ 66 #define IPCL_CL_LISTENER 0x00800000 /* Cluster listener */ 67 #define IPCL_EAGER 0x01000000 /* Incoming connection */ 68 #define IPCL_UDP 0x02000000 /* A UDP connection */ 69 #define IPCL_TCP6 0x04000000 /* A TCP6 connection */ 70 #define IPCL_TCP4 0x08000000 /* A TCP connection */ 71 #define IPCL_CONNECTED 0x40000000 /* Conn in connected table */ 72 #define IPCL_BOUND 0x80000000 /* Conn in bind table */ 73 74 /* Flags identifying the type of conn */ 75 #define IPCL_TCPCONN 0x00000001 /* Flag to indicate cache */ 76 #define IPCL_SCTPCONN 0x00000002 77 #define IPCL_IPCCONN 0x00000004 78 #define IPCL_ISV6 0x00000008 /* Is a V6 connection */ 79 #define IPCL_IPTUN 0x00000010 /* Has "tun" plumbed above it */ 80 81 /* Conn Masks */ 82 #define IPCL_TCP (IPCL_TCP4|IPCL_TCP6) 83 #define IPCL_REMOVED 0x00000020 84 #define IPCL_REUSED 0x00000040 85 86 #define IPCL_IS_TCP4(connp) \ 87 (((connp)->conn_flags & IPCL_TCP4)) 88 89 #define IPCL_IS_TCP4_CONNECTED_NO_POLICY(connp) \ 90 (((connp)->conn_flags & \ 91 (IPCL_TCP4|IPCL_CONNECTED|IPCL_CHECK_POLICY|IPCL_TCP6)) \ 92 == (IPCL_TCP4|IPCL_CONNECTED)) 93 94 #define IPCL_IS_CONNECTED(connp) \ 95 ((connp)->conn_flags & IPCL_CONNECTED) 96 97 #define IPCL_IS_BOUND(connp) \ 98 ((connp)->conn_flags & IPCL_BOUND) 99 100 #define IPCL_IS_TCP4_BOUND(connp) \ 101 (((connp)->conn_flags & \ 102 (IPCL_TCP4|IPCL_BOUND|IPCL_TCP6)) == \ 103 (IPCL_TCP4|IPCL_BOUND)) 104 105 #define IPCL_IS_FULLY_BOUND(connp) \ 106 ((connp)->conn_flags & IPCL_FULLY_BOUND) 107 108 #define IPCL_IS_TCP(connp) \ 109 ((connp)->conn_flags & (IPCL_TCP4|IPCL_TCP6)) 110 111 /* 112 * IPCL_UDP is set on the conn when udp is directly above ip; 113 * this flag is cleared the moment udp is popped. 114 */ 115 #define IPCL_IS_UDP(connp) \ 116 ((connp)->conn_flags & IPCL_UDP) 117 118 #define IPCL_IS_IPTUN(connp) \ 119 (((connp)->conn_ulp == IPPROTO_ENCAP || \ 120 (connp)->conn_ulp == IPPROTO_IPV6) && \ 121 ((connp)->conn_flags & IPCL_IPTUN)) 122 123 typedef struct connf_s connf_t; 124 125 typedef struct 126 { 127 int ctb_depth; 128 #define IP_STACK_DEPTH 15 129 pc_t ctb_stack[IP_STACK_DEPTH]; 130 } conn_trace_t; 131 132 struct conn_s { 133 kmutex_t conn_lock; 134 uint32_t conn_ref; /* Reference counter */ 135 uint_t conn_state_flags; /* IP state flags */ 136 ire_t *conn_ire_cache; /* outbound ire cache */ 137 uint32_t conn_flags; /* Conn Flags */ 138 unsigned int 139 conn_on_sqp : 1, /* Conn is being processed */ 140 conn_dontroute : 1, /* SO_DONTROUTE state */ 141 conn_loopback : 1, /* SO_LOOPBACK state */ 142 conn_broadcast : 1, /* SO_BROADCAST state */ 143 144 conn_reuseaddr : 1, /* SO_REUSEADDR state */ 145 conn_multicast_loop : 1, /* IP_MULTICAST_LOOP */ 146 conn_multi_router : 1, /* Wants all multicast pkts */ 147 conn_draining : 1, /* ip_wsrv running */ 148 149 conn_did_putbq : 1, /* ip_wput did a putbq */ 150 conn_unspec_src : 1, /* IP_UNSPEC_SRC */ 151 conn_policy_cached : 1, /* Is policy cached/latched ? */ 152 conn_in_enforce_policy : 1, /* Enforce Policy on inbound */ 153 154 conn_out_enforce_policy : 1, /* Enforce Policy on outbound */ 155 conn_af_isv6 : 1, /* ip address family ver 6 */ 156 conn_pkt_isv6 : 1, /* ip packet format ver 6 */ 157 conn_ip_recvpktinfo : 1, /* IPV*_RECVPKTINFO option */ 158 159 conn_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ 160 conn_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ 161 conn_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ 162 conn_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ 163 164 conn_ipv6_recvrtdstopts : 1, /* IPV6_RECVRTHDRDSTOPTS */ 165 conn_ipv6_v6only : 1, /* IPV6_V6ONLY */ 166 conn_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS */ 167 conn_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU */ 168 169 conn_pathmtu_valid : 1, /* The cached mtu is valid. */ 170 conn_ipv6_dontfrag : 1, /* IPV6_DONTFRAG */ 171 conn_fully_bound : 1, /* Fully bound connection */ 172 conn_recvif : 1, /* IP_RECVIF option */ 173 174 conn_recvslla : 1, /* IP_RECVSLLA option */ 175 conn_mdt_ok : 1, /* MDT is permitted */ 176 conn_nexthop_set : 1, 177 conn_allzones : 1, /* SO_ALLZONES */ 178 179 conn_lso_ok : 1; /* LSO is usable */ 180 181 tcp_t *conn_tcp; /* Pointer to the tcp struct */ 182 struct udp_s *conn_udp; /* Pointer to the udp struct */ 183 184 squeue_t *conn_sqp; /* Squeue for processing */ 185 edesc_rpf conn_recv; /* Pointer to recv routine */ 186 void *conn_pad1; 187 188 ill_t *conn_xmit_if_ill; /* Outbound ill */ 189 ill_t *conn_nofailover_ill; /* Failover ill */ 190 ipsec_latch_t *conn_latch; /* latched state */ 191 ill_t *conn_outgoing_ill; /* IP{,V6}_BOUND_IF */ 192 edesc_spf conn_send; /* Pointer to send routine */ 193 queue_t *conn_rq; /* Read queue */ 194 queue_t *conn_wq; /* Write queue */ 195 dev_t conn_dev; /* Minor number */ 196 197 cred_t *conn_cred; /* Credentials */ 198 connf_t *conn_g_fanout; /* Global Hash bucket head */ 199 struct conn_s *conn_g_next; /* Global Hash chain next */ 200 struct conn_s *conn_g_prev; /* Global Hash chain prev */ 201 struct ipsec_policy_head_s *conn_policy; /* Configured policy */ 202 in6_addr_t conn_bound_source_v6; 203 #define conn_bound_source V4_PART_OF_V6(conn_bound_source_v6) 204 void *conn_void[1]; 205 206 connf_t *conn_fanout; /* Hash bucket we're part of */ 207 struct conn_s *conn_next; /* Hash chain next */ 208 struct conn_s *conn_prev; /* Hash chain prev */ 209 struct { 210 in6_addr_t connua_laddr; /* Local address */ 211 in6_addr_t connua_faddr; /* Remote address */ 212 } connua_v6addr; 213 #define conn_src V4_PART_OF_V6(connua_v6addr.connua_laddr) 214 #define conn_rem V4_PART_OF_V6(connua_v6addr.connua_faddr) 215 #define conn_srcv6 connua_v6addr.connua_laddr 216 #define conn_remv6 connua_v6addr.connua_faddr 217 union { 218 /* Used for classifier match performance */ 219 uint32_t conn_ports2; 220 struct { 221 in_port_t tcpu_fport; /* Remote port */ 222 in_port_t tcpu_lport; /* Local port */ 223 } tcpu_ports; 224 } u_port; 225 #define conn_fport u_port.tcpu_ports.tcpu_fport 226 #define conn_lport u_port.tcpu_ports.tcpu_lport 227 #define conn_ports u_port.conn_ports2 228 #define conn_upq conn_rq 229 uint8_t conn_ulp; /* protocol type */ 230 uint8_t conn_unused_byte; 231 kcondvar_t conn_cv; 232 233 uint_t conn_proto; /* SO_PROTOTYPE state */ 234 ill_t *conn_incoming_ill; /* IP{,V6}_BOUND_IF */ 235 ill_t *conn_outgoing_pill; /* IP{,V6}_BOUND_PIF */ 236 ill_t *conn_oper_pending_ill; /* pending shared ioctl */ 237 ill_t *conn_xioctl_pending_ill; /* pending excl ioctl */ 238 239 /* this is used only when an unbind is in progress.. */ 240 struct sq_s *conn_pending_sq; /* waiting for ioctl on sq */ 241 ilg_t *conn_ilg; /* Group memberships */ 242 int conn_ilg_allocated; /* Number allocated */ 243 int conn_ilg_inuse; /* Number currently used */ 244 int conn_ilg_walker_cnt; /* No of ilg walkers */ 245 /* XXXX get rid of this, once ilg_delete_all is fixed */ 246 kcondvar_t conn_refcv; 247 248 struct ipif_s *conn_multicast_ipif; /* IP_MULTICAST_IF */ 249 ill_t *conn_multicast_ill; /* IPV6_MULTICAST_IF */ 250 int conn_orig_bound_ifindex; /* BOUND_IF before MOVE */ 251 int conn_orig_multicast_ifindex; 252 /* IPv6 MC IF before MOVE */ 253 int conn_orig_xmit_ifindex; /* IP_XMIT_IF before move */ 254 struct conn_s *conn_drain_next; /* Next conn in drain list */ 255 struct conn_s *conn_drain_prev; /* Prev conn in drain list */ 256 idl_t *conn_idl; /* Ptr to the drain list head */ 257 mblk_t *conn_ipsec_opt_mp; /* ipsec option mblk */ 258 uint32_t conn_src_preferences; /* prefs for src addr select */ 259 /* mtuinfo from IPV6_PACKET_TOO_BIG conditional on conn_pathmtu_valid */ 260 struct ip6_mtuinfo mtuinfo; 261 zoneid_t conn_zoneid; /* zone connection is in */ 262 in6_addr_t conn_nexthop_v6; /* nexthop IP address */ 263 #define conn_nexthop_v4 V4_PART_OF_V6(conn_nexthop_v6) 264 cred_t *conn_peercred; /* Peer credentials, if any */ 265 266 unsigned int 267 conn_ulp_labeled : 1, /* ULP label is synced */ 268 conn_mlp_type : 2, /* mlp_type_t; tsol/tndb.h */ 269 conn_anon_mlp : 1, /* user wants anon MLP */ 270 271 conn_anon_port : 1, /* user bound anonymously */ 272 conn_mac_exempt : 1, /* unlabeled with loose MAC */ 273 conn_spare : 26; 274 275 netstack_t *conn_netstack; /* Corresponds to a netstack_hold */ 276 #ifdef CONN_DEBUG 277 #define CONN_TRACE_MAX 10 278 int conn_trace_last; /* ndx of last used tracebuf */ 279 conn_trace_t conn_trace_buf[CONN_TRACE_MAX]; 280 #endif 281 }; 282 283 #define CONN_CRED(connp) ((connp)->conn_peercred == NULL ? \ 284 (connp)->conn_cred : (connp)->conn_peercred) 285 #define BEST_CRED(mp, connp) ((DB_CRED(mp) != NULL && \ 286 crgetlabel(DB_CRED(mp)) != NULL) ? DB_CRED(mp) : CONN_CRED(connp)) 287 288 /* 289 * connf_t - connection fanout data. 290 * 291 * The hash tables and their linkage (conn_t.{hashnextp, hashprevp} are 292 * protected by the per-bucket lock. Each conn_t inserted in the list 293 * points back at the connf_t that heads the bucket. 294 */ 295 struct connf_s { 296 struct conn_s *connf_head; 297 kmutex_t connf_lock; 298 }; 299 300 #define CONN_INC_REF(connp) { \ 301 mutex_enter(&(connp)->conn_lock); \ 302 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 303 ASSERT(conn_trace_ref(connp)); \ 304 (connp)->conn_ref++; \ 305 ASSERT((connp)->conn_ref != 0); \ 306 mutex_exit(&(connp)->conn_lock); \ 307 } 308 309 #define CONN_INC_REF_LOCKED(connp) { \ 310 DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \ 311 ASSERT(MUTEX_HELD(&(connp)->conn_lock)); \ 312 ASSERT(conn_trace_ref(connp)); \ 313 (connp)->conn_ref++; \ 314 ASSERT((connp)->conn_ref != 0); \ 315 } 316 317 #define CONN_DEC_REF(connp) { \ 318 mutex_enter(&(connp)->conn_lock); \ 319 DTRACE_PROBE1(conn__dec__ref, conn_t *, connp); \ 320 /* \ 321 * The squeue framework always does a CONN_DEC_REF after return \ 322 * from TCP. Hence the refcnt must be at least 2 if conn_on_sqp \ 323 * is B_TRUE and conn_ref is being decremented. This is to \ 324 * account for the mblk being currently processed. \ 325 */ \ 326 if ((connp)->conn_ref <= 0 || \ 327 ((connp)->conn_ref == 1 && (connp)->conn_on_sqp)) \ 328 cmn_err(CE_PANIC, "CONN_DEC_REF: connp(%p) has ref " \ 329 "= %d\n", (void *)(connp), (connp)->conn_ref); \ 330 ASSERT(conn_untrace_ref(connp)); \ 331 (connp)->conn_ref--; \ 332 if ((connp)->conn_ref == 0) { \ 333 /* Refcnt can't increase again, safe to drop lock */ \ 334 mutex_exit(&(connp)->conn_lock); \ 335 ipcl_conn_destroy(connp); \ 336 } else { \ 337 cv_broadcast(&(connp)->conn_cv); \ 338 mutex_exit(&(connp)->conn_lock); \ 339 } \ 340 } 341 342 /* 343 * For use with subsystems within ip which use ALL_ZONES as a wildcard 344 */ 345 #define IPCL_ZONEID(connp) \ 346 ((connp)->conn_allzones ? ALL_ZONES : (connp)->conn_zoneid) 347 348 /* 349 * For matching between a conn_t and a zoneid. 350 */ 351 #define IPCL_ZONE_MATCH(connp, zoneid) \ 352 (((connp)->conn_allzones) || \ 353 ((zoneid) == ALL_ZONES) || \ 354 (connp)->conn_zoneid == (zoneid)) 355 356 357 #define _IPCL_V4_MATCH(v6addr, v4addr) \ 358 (V4_PART_OF_V6((v6addr)) == (v4addr) && IN6_IS_ADDR_V4MAPPED(&(v6addr))) 359 360 #define _IPCL_V4_MATCH_ANY(addr) \ 361 (IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) || IN6_IS_ADDR_UNSPECIFIED(&(addr))) 362 363 364 /* 365 * IPCL_PROTO_MATCH() only matches conns with the specified zoneid, while 366 * IPCL_PROTO_MATCH_V6() can match other conns in the multicast case, see 367 * ip_fanout_proto(). 368 */ 369 #define IPCL_PROTO_MATCH(connp, protocol, ipha, ill, \ 370 fanout_flags, zoneid) \ 371 ((((connp)->conn_src == INADDR_ANY) || \ 372 (((connp)->conn_src == ((ipha)->ipha_dst)) && \ 373 (((connp)->conn_rem == INADDR_ANY) || \ 374 ((connp)->conn_rem == ((ipha)->ipha_src))))) && \ 375 IPCL_ZONE_MATCH(connp, zoneid) && \ 376 (conn_wantpacket((connp), (ill), (ipha), (fanout_flags), \ 377 (zoneid)) || ((protocol) == IPPROTO_PIM) || \ 378 ((protocol) == IPPROTO_RSVP))) 379 380 #define IPCL_PROTO_MATCH_V6(connp, protocol, ip6h, ill, \ 381 fanout_flags, zoneid) \ 382 ((IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 383 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &((ip6h)->ip6_dst)) && \ 384 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 385 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &((ip6h)->ip6_src))))) && \ 386 (conn_wantpacket_v6((connp), (ill), (ip6h), \ 387 (fanout_flags), (zoneid)) || ((protocol) == IPPROTO_RSVP))) 388 389 #define IPCL_CONN_HASH(src, ports, ipst) \ 390 ((unsigned)(ntohl((src)) ^ ((ports) >> 24) ^ ((ports) >> 16) ^ \ 391 ((ports) >> 8) ^ (ports)) % (ipst)->ips_ipcl_conn_fanout_size) 392 393 #define IPCL_CONN_HASH_V6(src, ports, ipst) \ 394 IPCL_CONN_HASH(V4_PART_OF_V6((src)), (ports), (ipst)) 395 396 #define IPCL_CONN_MATCH(connp, proto, src, dst, ports) \ 397 ((connp)->conn_ulp == (proto) && \ 398 (connp)->conn_ports == (ports) && \ 399 _IPCL_V4_MATCH((connp)->conn_remv6, (src)) && \ 400 _IPCL_V4_MATCH((connp)->conn_srcv6, (dst)) && \ 401 !(connp)->conn_ipv6_v6only) 402 403 #define IPCL_CONN_MATCH_V6(connp, proto, src, dst, ports) \ 404 ((connp)->conn_ulp == (proto) && \ 405 (connp)->conn_ports == (ports) && \ 406 IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(src)) && \ 407 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(dst))) 408 409 #define IPCL_CONN_INIT(connp, protocol, src, rem, ports) { \ 410 (connp)->conn_ulp = protocol; \ 411 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 412 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 413 (connp)->conn_ports = ports; \ 414 } 415 416 #define IPCL_CONN_INIT_V6(connp, protocol, src, rem, ports) { \ 417 (connp)->conn_ulp = protocol; \ 418 (connp)->conn_srcv6 = src; \ 419 (connp)->conn_remv6 = rem; \ 420 (connp)->conn_ports = ports; \ 421 } 422 423 #define IPCL_PORT_HASH(port, size) \ 424 ((((port) >> 8) ^ (port)) & ((size) - 1)) 425 426 #define IPCL_BIND_HASH(lport, ipst) \ 427 ((unsigned)(((lport) >> 8) ^ (lport)) % \ 428 (ipst)->ips_ipcl_bind_fanout_size) 429 430 #define IPCL_BIND_MATCH(connp, proto, laddr, lport) \ 431 ((connp)->conn_ulp == (proto) && \ 432 (connp)->conn_lport == (lport) && \ 433 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 434 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr))) && \ 435 !(connp)->conn_ipv6_v6only) 436 437 #define IPCL_BIND_MATCH_V6(connp, proto, laddr, lport) \ 438 ((connp)->conn_ulp == (proto) && \ 439 (connp)->conn_lport == (lport) && \ 440 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) || \ 441 IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6))) 442 443 #define IPCL_UDP_MATCH(connp, lport, laddr, fport, faddr) \ 444 (((connp)->conn_lport == (lport)) && \ 445 ((_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 446 (_IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)) && \ 447 (_IPCL_V4_MATCH_ANY((connp)->conn_remv6) || \ 448 (_IPCL_V4_MATCH((connp)->conn_remv6, (faddr)) && \ 449 (connp)->conn_fport == (fport)))))) && \ 450 !(connp)->conn_ipv6_v6only) 451 452 #define IPCL_UDP_MATCH_V6(connp, lport, laddr, fport, faddr) \ 453 (((connp)->conn_lport == (lport)) && \ 454 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 455 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)) && \ 456 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_remv6) || \ 457 (IN6_ARE_ADDR_EQUAL(&(connp)->conn_remv6, &(faddr)) && \ 458 (connp)->conn_fport == (fport)))))) 459 460 #define IPCL_TCP_EAGER_INIT(connp, protocol, src, rem, ports) { \ 461 (connp)->conn_flags |= (IPCL_TCP4|IPCL_EAGER); \ 462 (connp)->conn_ulp = protocol; \ 463 IN6_IPADDR_TO_V4MAPPED(src, &(connp)->conn_srcv6); \ 464 IN6_IPADDR_TO_V4MAPPED(rem, &(connp)->conn_remv6); \ 465 (connp)->conn_ports = ports; \ 466 (connp)->conn_send = ip_output; \ 467 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 468 } 469 470 #define IPCL_TCP_EAGER_INIT_V6(connp, protocol, src, rem, ports) { \ 471 (connp)->conn_flags |= (IPCL_TCP6|IPCL_EAGER); \ 472 (connp)->conn_ulp = protocol; \ 473 (connp)->conn_srcv6 = src; \ 474 (connp)->conn_remv6 = rem; \ 475 (connp)->conn_ports = ports; \ 476 (connp)->conn_send = ip_output_v6; \ 477 (connp)->conn_sqp = IP_SQUEUE_GET(lbolt); \ 478 } 479 480 #define IPCL_UDP_HASH(lport, ipst) \ 481 IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_udp_fanout_size) 482 483 #define CONN_G_HASH_SIZE 1024 484 485 /* Raw socket hash function. */ 486 #define IPCL_RAW_HASH(lport, ipst) \ 487 IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_raw_fanout_size) 488 489 /* 490 * This is similar to IPCL_BIND_MATCH except that the local port check 491 * is changed to a wildcard port check. 492 */ 493 #define IPCL_RAW_MATCH(connp, proto, laddr) \ 494 ((connp)->conn_ulp == (proto) && \ 495 (connp)->conn_lport == 0 && \ 496 (_IPCL_V4_MATCH_ANY((connp)->conn_srcv6) || \ 497 _IPCL_V4_MATCH((connp)->conn_srcv6, (laddr)))) 498 499 #define IPCL_RAW_MATCH_V6(connp, proto, laddr) \ 500 ((connp)->conn_ulp == (proto) && \ 501 (connp)->conn_lport == 0 && \ 502 (IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_srcv6) || \ 503 IN6_ARE_ADDR_EQUAL(&(connp)->conn_srcv6, &(laddr)))) 504 505 /* Function prototypes */ 506 extern void ipcl_g_init(void); 507 extern void ipcl_init(ip_stack_t *); 508 extern void ipcl_g_destroy(void); 509 extern void ipcl_destroy(ip_stack_t *); 510 extern conn_t *ipcl_conn_create(uint32_t, int, netstack_t *); 511 extern void ipcl_conn_destroy(conn_t *); 512 513 void ipcl_hash_insert_connected(connf_t *, conn_t *); 514 void ipcl_hash_insert_bound(connf_t *, conn_t *); 515 void ipcl_hash_insert_wildcard(connf_t *, conn_t *); 516 void ipcl_hash_remove(conn_t *); 517 void ipcl_hash_remove_locked(conn_t *connp, connf_t *connfp); 518 519 extern int ipcl_bind_insert(conn_t *, uint8_t, ipaddr_t, uint16_t); 520 extern int ipcl_bind_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 521 uint16_t); 522 extern int ipcl_conn_insert(conn_t *, uint8_t, ipaddr_t, ipaddr_t, 523 uint32_t); 524 extern int ipcl_conn_insert_v6(conn_t *, uint8_t, const in6_addr_t *, 525 const in6_addr_t *, uint32_t, uint_t); 526 extern conn_t *ipcl_get_next_conn(connf_t *, conn_t *, uint32_t); 527 528 void ipcl_proto_insert(conn_t *, uint8_t); 529 void ipcl_proto_insert_v6(conn_t *, uint8_t); 530 conn_t *ipcl_classify_v4(mblk_t *, uint8_t, uint_t, zoneid_t, ip_stack_t *); 531 conn_t *ipcl_classify_v6(mblk_t *, uint8_t, uint_t, zoneid_t, ip_stack_t *); 532 conn_t *ipcl_classify(mblk_t *, zoneid_t, ip_stack_t *); 533 conn_t *ipcl_classify_raw(mblk_t *, uint8_t, zoneid_t, uint32_t, ipha_t *, 534 ip_stack_t *); 535 void ipcl_globalhash_insert(conn_t *); 536 void ipcl_globalhash_remove(conn_t *); 537 void ipcl_walk(pfv_t, void *, ip_stack_t *); 538 conn_t *ipcl_tcp_lookup_reversed_ipv4(ipha_t *, tcph_t *, int, ip_stack_t *); 539 conn_t *ipcl_tcp_lookup_reversed_ipv6(ip6_t *, tcpha_t *, int, uint_t, 540 ip_stack_t *); 541 conn_t *ipcl_lookup_listener_v4(uint16_t, ipaddr_t, zoneid_t, ip_stack_t *); 542 conn_t *ipcl_lookup_listener_v6(uint16_t, in6_addr_t *, uint_t, zoneid_t, 543 ip_stack_t *); 544 int conn_trace_ref(conn_t *); 545 int conn_untrace_ref(conn_t *); 546 conn_t *ipcl_conn_tcp_lookup_reversed_ipv4(conn_t *, ipha_t *, tcph_t *, 547 ip_stack_t *); 548 conn_t *ipcl_conn_tcp_lookup_reversed_ipv6(conn_t *, ip6_t *, tcph_t *, 549 ip_stack_t *); 550 #ifdef __cplusplus 551 } 552 #endif 553 554 #endif /* _INET_IPCLASSIFIER_H */ 555