| 1 | /* |
| 2 | * Copyright (c) 2000-2016 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| 9 | * compliance with the License. The rights granted to you under the License |
| 10 | * may not be used to create, or enable the creation or redistribution of, |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| 13 | * terms of an Apple operating system software license agreement. |
| 14 | * |
| 15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| 17 | * |
| 18 | * The Original Code and all software distributed under the License are |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and |
| 24 | * limitations under the License. |
| 25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ |
| 28 | /* |
| 29 | * Copyright (c) 1982, 1986, 1990, 1993 |
| 30 | * The Regents of the University of California. All rights reserved. |
| 31 | * |
| 32 | * Redistribution and use in source and binary forms, with or without |
| 33 | * modification, are permitted provided that the following conditions |
| 34 | * are met: |
| 35 | * 1. Redistributions of source code must retain the above copyright |
| 36 | * notice, this list of conditions and the following disclaimer. |
| 37 | * 2. Redistributions in binary form must reproduce the above copyright |
| 38 | * notice, this list of conditions and the following disclaimer in the |
| 39 | * documentation and/or other materials provided with the distribution. |
| 40 | * 3. All advertising materials mentioning features or use of this software |
| 41 | * must display the following acknowledgement: |
| 42 | * This product includes software developed by the University of |
| 43 | * California, Berkeley and its contributors. |
| 44 | * 4. Neither the name of the University nor the names of its contributors |
| 45 | * may be used to endorse or promote products derived from this software |
| 46 | * without specific prior written permission. |
| 47 | * |
| 48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 58 | * SUCH DAMAGE. |
| 59 | * |
| 60 | * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 |
| 61 | * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.4 2001/08/13 16:26:17 ume Exp $ |
| 62 | */ |
| 63 | /* |
| 64 | * NOTICE: This file was modified by SPARTA, Inc. in 2007 to introduce |
| 65 | * support for mandatory and extensible security protections. This notice |
| 66 | * is included in support of clause 2.2 (b) of the Apple Public License, |
| 67 | * Version 2.0. |
| 68 | */ |
| 69 | |
| 70 | #ifndef _NETINET_IN_PCB_H_ |
| 71 | #define _NETINET_IN_PCB_H_ |
| 72 | #include <sys/appleapiopts.h> |
| 73 | |
| 74 | #include <sys/types.h> |
| 75 | #include <sys/queue.h> |
| 76 | #ifdef BSD_KERNEL_PRIVATE |
| 77 | #include <sys/bitstring.h> |
| 78 | #include <sys/tree.h> |
| 79 | #include <kern/locks.h> |
| 80 | #include <kern/zalloc.h> |
| 81 | #include <netinet/in_stat.h> |
| 82 | #endif /* BSD_KERNEL_PRIVATE */ |
| 83 | |
| 84 | #if IPSEC |
| 85 | #include <netinet6/ipsec.h> /* for IPSEC */ |
| 86 | #endif /* IPSEC */ |
| 87 | |
| 88 | #if NECP |
| 89 | #include <net/necp.h> |
| 90 | #endif |
| 91 | |
| 92 | |
| 93 | #ifdef BSD_KERNEL_PRIVATE |
| 94 | /* |
| 95 | * struct inpcb is the common protocol control block structure used in most |
| 96 | * IP transport protocols. |
| 97 | * |
| 98 | * Pointers to local and foreign host table entries, local and foreign socket |
| 99 | * numbers, and pointers up (to a socket structure) and down (to a |
| 100 | * protocol-specific control block) are stored here. |
| 101 | */ |
| 102 | LIST_HEAD(inpcbhead, inpcb); |
| 103 | LIST_HEAD(inpcbporthead, inpcbport); |
| 104 | #endif /* BSD_KERNEL_PRIVATE */ |
| 105 | typedef u_quad_t inp_gen_t; |
| 106 | |
| 107 | /* |
| 108 | * PCB with AF_INET6 null bind'ed laddr can receive AF_INET input packet. |
| 109 | * So, AF_INET6 null laddr is also used as AF_INET null laddr, by utilizing |
| 110 | * the following structure. |
| 111 | */ |
| 112 | struct in_addr_4in6 { |
| 113 | u_int32_t ia46_pad32[3]; |
| 114 | struct in_addr ia46_addr4; |
| 115 | }; |
| 116 | |
| 117 | #ifdef BSD_KERNEL_PRIVATE |
| 118 | /* |
| 119 | * NB: the zone allocator is type-stable EXCEPT FOR THE FIRST TWO LONGS |
| 120 | * of the structure. Therefore, it is important that the members in |
| 121 | * that position not contain any information which is required to be |
| 122 | * stable. |
| 123 | */ |
| 124 | struct icmp6_filter; |
| 125 | #if CONFIG_MACF_NET |
| 126 | struct label; |
| 127 | #endif |
| 128 | struct ifnet; |
| 129 | |
| 130 | struct inp_stat { |
| 131 | u_int64_t rxpackets; |
| 132 | u_int64_t rxbytes; |
| 133 | u_int64_t txpackets; |
| 134 | u_int64_t txbytes; |
| 135 | }; |
| 136 | |
| 137 | /* |
| 138 | * struct inpcb captures the network layer state for TCP, UDP and raw IPv6 |
| 139 | * and IPv6 sockets. In the case of TCP, further per-connection state is |
| 140 | * hung off of inp_ppcb most of the time. |
| 141 | */ |
| 142 | struct inpcb { |
| 143 | decl_lck_mtx_data(, inpcb_mtx); /* inpcb per-socket mutex */ |
| 144 | LIST_ENTRY(inpcb) inp_hash; /* hash list */ |
| 145 | LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ |
| 146 | void *inp_ppcb; /* pointer to per-protocol pcb */ |
| 147 | struct inpcbinfo *inp_pcbinfo; /* PCB list info */ |
| 148 | struct socket *inp_socket; /* back pointer to socket */ |
| 149 | LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ |
| 150 | RB_ENTRY(inpcb) infc_link; /* link for flowhash RB tree */ |
| 151 | struct inpcbport *inp_phd; /* head of this list */ |
| 152 | inp_gen_t inp_gencnt; /* generation count of this instance */ |
| 153 | int inp_hash_element; /* array index of pcb's hash list */ |
| 154 | int inp_wantcnt; /* wanted count; atomically updated */ |
| 155 | int inp_state; /* state (INUSE/CACHED/DEAD) */ |
| 156 | u_short inp_fport; /* foreign port */ |
| 157 | u_short inp_lport; /* local port */ |
| 158 | u_int32_t inp_flags; /* generic IP/datagram flags */ |
| 159 | u_int32_t inp_flags2; /* generic IP/datagram flags #2 */ |
| 160 | u_int32_t inp_flow; /* IPv6 flow information */ |
| 161 | |
| 162 | u_char inp_sndinprog_cnt; /* outstanding send operations */ |
| 163 | u_char inp_vflag; /* INP_IPV4 or INP_IPV6 */ |
| 164 | |
| 165 | u_char inp_ip_ttl; /* time to live proto */ |
| 166 | u_char inp_ip_p; /* protocol proto */ |
| 167 | |
| 168 | struct ifnet *inp_boundifp; /* interface for INP_BOUND_IF */ |
| 169 | struct ifnet *inp_last_outifp; /* last known outgoing interface */ |
| 170 | u_int32_t inp_flowhash; /* flow hash */ |
| 171 | |
| 172 | /* Protocol-dependent part */ |
| 173 | union { |
| 174 | /* foreign host table entry */ |
| 175 | struct in_addr_4in6 inp46_foreign; |
| 176 | struct in6_addr inp6_foreign; |
| 177 | } inp_dependfaddr; |
| 178 | union { |
| 179 | /* local host table entry */ |
| 180 | struct in_addr_4in6 inp46_local; |
| 181 | struct in6_addr inp6_local; |
| 182 | } inp_dependladdr; |
| 183 | union { |
| 184 | /* placeholder for routing entry */ |
| 185 | struct route inp4_route; |
| 186 | struct route_in6 inp6_route; |
| 187 | } inp_dependroute; |
| 188 | struct { |
| 189 | /* type of service proto */ |
| 190 | u_char inp4_ip_tos; |
| 191 | /* IP options */ |
| 192 | struct mbuf *inp4_options; |
| 193 | /* IP multicast options */ |
| 194 | struct ip_moptions *inp4_moptions; |
| 195 | } inp_depend4; |
| 196 | struct { |
| 197 | /* IP options */ |
| 198 | struct mbuf *inp6_options; |
| 199 | /* IP6 options for outgoing packets */ |
| 200 | struct ip6_pktopts *inp6_outputopts; |
| 201 | /* IP multicast options */ |
| 202 | struct ip6_moptions *inp6_moptions; |
| 203 | /* ICMPv6 code type filter */ |
| 204 | struct icmp6_filter *inp6_icmp6filt; |
| 205 | /* IPV6_CHECKSUM setsockopt */ |
| 206 | int inp6_cksum; |
| 207 | short inp6_hops; |
| 208 | } inp_depend6; |
| 209 | |
| 210 | caddr_t inp_saved_ppcb; /* place to save pointer while cached */ |
| 211 | #if CONFIG_MACF_NET |
| 212 | struct label *inp_label; /* MAC label */ |
| 213 | #endif |
| 214 | #if IPSEC |
| 215 | struct inpcbpolicy *inp_sp; /* for IPSec */ |
| 216 | #endif /* IPSEC */ |
| 217 | #if NECP |
| 218 | struct { |
| 219 | char *inp_domain; |
| 220 | char *inp_account; |
| 221 | } inp_necp_attributes; |
| 222 | struct necp_inpcb_result inp_policyresult; |
| 223 | uuid_t necp_client_uuid; |
| 224 | void (*necp_cb)(void *, int, struct necp_client_flow *); |
| 225 | #endif |
| 226 | u_char *inp_keepalive_data; /* for keepalive offload */ |
| 227 | u_int8_t inp_keepalive_datalen; /* keepalive data length */ |
| 228 | u_int8_t inp_keepalive_type; /* type of application */ |
| 229 | u_int16_t inp_keepalive_interval; /* keepalive interval */ |
| 230 | uint32_t inp_nstat_refcnt __attribute__((aligned(4))); |
| 231 | struct inp_stat *inp_stat; |
| 232 | struct inp_stat *inp_cstat; /* cellular data */ |
| 233 | struct inp_stat *inp_wstat; /* Wi-Fi data */ |
| 234 | struct inp_stat *inp_Wstat; /* Wired data */ |
| 235 | u_int8_t inp_stat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; |
| 236 | u_int8_t inp_cstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; |
| 237 | u_int8_t inp_wstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; |
| 238 | u_int8_t inp_Wstat_store[sizeof (struct inp_stat) + sizeof (u_int64_t)]; |
| 239 | activity_bitmap_t inp_nw_activity; |
| 240 | u_int64_t inp_start_timestamp; |
| 241 | }; |
| 242 | |
| 243 | #define INP_ADD_STAT(_inp, _cnt_cellular, _cnt_wifi, _cnt_wired, _a, _n)\ |
| 244 | do { \ |
| 245 | locked_add_64(&((_inp)->inp_stat->_a), (_n)); \ |
| 246 | if (_cnt_cellular) \ |
| 247 | locked_add_64(&((_inp)->inp_cstat->_a), (_n)); \ |
| 248 | if (_cnt_wifi) \ |
| 249 | locked_add_64(&((_inp)->inp_wstat->_a), (_n)); \ |
| 250 | if (_cnt_wired) \ |
| 251 | locked_add_64(&((_inp)->inp_Wstat->_a), (_n)); \ |
| 252 | } while (0); |
| 253 | #endif /* BSD_KERNEL_PRIVATE */ |
| 254 | |
| 255 | /* |
| 256 | * Interface exported to userland by various protocols which use |
| 257 | * inpcbs. Hack alert -- only define if struct xsocket is in scope. |
| 258 | */ |
| 259 | #pragma pack(4) |
| 260 | |
| 261 | #if defined(__LP64__) |
| 262 | struct _inpcb_list_entry { |
| 263 | u_int32_t le_next; |
| 264 | u_int32_t le_prev; |
| 265 | }; |
| 266 | #define _INPCB_PTR(x) u_int32_t |
| 267 | #define _INPCB_LIST_ENTRY(x) struct _inpcb_list_entry |
| 268 | #else /* !__LP64__ */ |
| 269 | #define _INPCB_PTR(x) x |
| 270 | #define _INPCB_LIST_ENTRY(x) LIST_ENTRY(x) |
| 271 | #endif /* !__LP64__ */ |
| 272 | |
| 273 | #ifdef XNU_KERNEL_PRIVATE |
| 274 | /* |
| 275 | * This is a copy of the inpcb as it shipped in Panther. This structure |
| 276 | * is filled out in a copy function. This allows the inpcb to change |
| 277 | * without breaking userland tools. |
| 278 | * |
| 279 | * CAUTION: Many fields may not be filled out. Fewer may be filled out |
| 280 | * in the future. Code defensively. |
| 281 | */ |
| 282 | struct inpcb_compat { |
| 283 | #else |
| 284 | struct inpcbinfo; |
| 285 | struct inpcbport; |
| 286 | struct mbuf; |
| 287 | struct ip6_pktopts; |
| 288 | struct ip6_moptions; |
| 289 | struct icmp6_filter; |
| 290 | struct inpcbpolicy; |
| 291 | |
| 292 | struct inpcb { |
| 293 | #endif /* KERNEL_PRIVATE */ |
| 294 | _INPCB_LIST_ENTRY(inpcb) inp_hash; /* hash list */ |
| 295 | struct in_addr reserved1; /* reserved */ |
| 296 | struct in_addr reserved2; /* reserved */ |
| 297 | u_short inp_fport; /* foreign port */ |
| 298 | u_short inp_lport; /* local port */ |
| 299 | _INPCB_LIST_ENTRY(inpcb) inp_list; /* list for all peer PCBs */ |
| 300 | _INPCB_PTR(caddr_t) inp_ppcb; /* per-protocol pcb */ |
| 301 | _INPCB_PTR(struct inpcbinfo *) inp_pcbinfo; /* PCB list info */ |
| 302 | _INPCB_PTR(void *) inp_socket; /* back pointer to socket */ |
| 303 | u_char nat_owner; /* Used to NAT TCP/UDP traffic */ |
| 304 | u_int32_t nat_cookie; /* Cookie stored and returned to NAT */ |
| 305 | _INPCB_LIST_ENTRY(inpcb) inp_portlist; /* this PCB's local port list */ |
| 306 | _INPCB_PTR(struct inpcbport *) inp_phd; /* head of this list */ |
| 307 | inp_gen_t inp_gencnt; /* generation count of this instance */ |
| 308 | int inp_flags; /* generic IP/datagram flags */ |
| 309 | u_int32_t inp_flow; |
| 310 | |
| 311 | u_char inp_vflag; |
| 312 | |
| 313 | u_char inp_ip_ttl; /* time to live proto */ |
| 314 | u_char inp_ip_p; /* protocol proto */ |
| 315 | /* protocol dependent part */ |
| 316 | union { |
| 317 | /* foreign host table entry */ |
| 318 | struct in_addr_4in6 inp46_foreign; |
| 319 | struct in6_addr inp6_foreign; |
| 320 | } inp_dependfaddr; |
| 321 | union { |
| 322 | /* local host table entry */ |
| 323 | struct in_addr_4in6 inp46_local; |
| 324 | struct in6_addr inp6_local; |
| 325 | } inp_dependladdr; |
| 326 | union { |
| 327 | /* placeholder for routing entry */ |
| 328 | u_char inp4_route[20]; |
| 329 | u_char inp6_route[32]; |
| 330 | } inp_dependroute; |
| 331 | struct { |
| 332 | /* type of service proto */ |
| 333 | u_char inp4_ip_tos; |
| 334 | /* IP options */ |
| 335 | _INPCB_PTR(struct mbuf *) inp4_options; |
| 336 | /* IP multicast options */ |
| 337 | _INPCB_PTR(struct ip_moptions *) inp4_moptions; |
| 338 | } inp_depend4; |
| 339 | |
| 340 | struct { |
| 341 | /* IP options */ |
| 342 | _INPCB_PTR(struct mbuf *) inp6_options; |
| 343 | u_int8_t inp6_hlim; |
| 344 | u_int8_t unused_uint8_1; |
| 345 | ushort unused_uint16_1; |
| 346 | /* IP6 options for outgoing packets */ |
| 347 | _INPCB_PTR(struct ip6_pktopts *) inp6_outputopts; |
| 348 | /* IP multicast options */ |
| 349 | _INPCB_PTR(struct ip6_moptions *) inp6_moptions; |
| 350 | /* ICMPv6 code type filter */ |
| 351 | _INPCB_PTR(struct icmp6_filter *) inp6_icmp6filt; |
| 352 | /* IPV6_CHECKSUM setsockopt */ |
| 353 | int inp6_cksum; |
| 354 | u_short inp6_ifindex; |
| 355 | short inp6_hops; |
| 356 | } inp_depend6; |
| 357 | |
| 358 | int hash_element; /* Array index of pcb's hash list */ |
| 359 | _INPCB_PTR(caddr_t) inp_saved_ppcb; /* pointer while cached */ |
| 360 | _INPCB_PTR(struct inpcbpolicy *) inp_sp; |
| 361 | u_int32_t reserved[3]; /* reserved */ |
| 362 | }; |
| 363 | |
| 364 | struct xinpcb { |
| 365 | u_int32_t xi_len; /* length of this structure */ |
| 366 | #ifdef XNU_KERNEL_PRIVATE |
| 367 | struct inpcb_compat xi_inp; |
| 368 | #else |
| 369 | struct inpcb xi_inp; |
| 370 | #endif |
| 371 | struct xsocket xi_socket; |
| 372 | u_quad_t xi_alignment_hack; |
| 373 | }; |
| 374 | |
| 375 | #if !CONFIG_EMBEDDED |
| 376 | struct inpcb64_list_entry { |
| 377 | u_int64_t le_next; |
| 378 | u_int64_t le_prev; |
| 379 | }; |
| 380 | |
| 381 | struct xinpcb64 { |
| 382 | u_int64_t xi_len; /* length of this structure */ |
| 383 | u_int64_t xi_inpp; |
| 384 | u_short inp_fport; /* foreign port */ |
| 385 | u_short inp_lport; /* local port */ |
| 386 | struct inpcb64_list_entry inp_list; /* list for all PCBs */ |
| 387 | u_int64_t inp_ppcb; /* ptr to per-protocol PCB */ |
| 388 | u_int64_t inp_pcbinfo; /* PCB list info */ |
| 389 | struct inpcb64_list_entry inp_portlist; /* this PCB's local port list */ |
| 390 | u_int64_t inp_phd; /* head of this list */ |
| 391 | inp_gen_t inp_gencnt; /* current generation count */ |
| 392 | int inp_flags; /* generic IP/datagram flags */ |
| 393 | u_int32_t inp_flow; |
| 394 | u_char inp_vflag; |
| 395 | u_char inp_ip_ttl; /* time to live */ |
| 396 | u_char inp_ip_p; /* protocol */ |
| 397 | union { /* foreign host table entry */ |
| 398 | struct in_addr_4in6 inp46_foreign; |
| 399 | struct in6_addr inp6_foreign; |
| 400 | } inp_dependfaddr; |
| 401 | union { /* local host table entry */ |
| 402 | struct in_addr_4in6 inp46_local; |
| 403 | struct in6_addr inp6_local; |
| 404 | } inp_dependladdr; |
| 405 | struct { |
| 406 | u_char inp4_ip_tos; /* type of service */ |
| 407 | } inp_depend4; |
| 408 | struct { |
| 409 | u_int8_t inp6_hlim; |
| 410 | int inp6_cksum; |
| 411 | u_short inp6_ifindex; |
| 412 | short inp6_hops; |
| 413 | } inp_depend6; |
| 414 | struct xsocket64 xi_socket; |
| 415 | u_quad_t xi_alignment_hack; |
| 416 | }; |
| 417 | #endif /* !CONFIG_EMBEDDED */ |
| 418 | |
| 419 | #ifdef PRIVATE |
| 420 | struct xinpcb_list_entry { |
| 421 | u_int64_t le_next; |
| 422 | u_int64_t le_prev; |
| 423 | }; |
| 424 | |
| 425 | struct xinpcb_n { |
| 426 | u_int32_t xi_len; /* length of this structure */ |
| 427 | u_int32_t xi_kind; /* XSO_INPCB */ |
| 428 | u_int64_t xi_inpp; |
| 429 | u_short inp_fport; /* foreign port */ |
| 430 | u_short inp_lport; /* local port */ |
| 431 | u_int64_t inp_ppcb; /* pointer to per-protocol pcb */ |
| 432 | inp_gen_t inp_gencnt; /* generation count of this instance */ |
| 433 | int inp_flags; /* generic IP/datagram flags */ |
| 434 | u_int32_t inp_flow; |
| 435 | u_char inp_vflag; |
| 436 | u_char inp_ip_ttl; /* time to live */ |
| 437 | u_char inp_ip_p; /* protocol */ |
| 438 | union { /* foreign host table entry */ |
| 439 | struct in_addr_4in6 inp46_foreign; |
| 440 | struct in6_addr inp6_foreign; |
| 441 | } inp_dependfaddr; |
| 442 | union { /* local host table entry */ |
| 443 | struct in_addr_4in6 inp46_local; |
| 444 | struct in6_addr inp6_local; |
| 445 | } inp_dependladdr; |
| 446 | struct { |
| 447 | u_char inp4_ip_tos; /* type of service */ |
| 448 | } inp_depend4; |
| 449 | struct { |
| 450 | u_int8_t inp6_hlim; |
| 451 | int inp6_cksum; |
| 452 | u_short inp6_ifindex; |
| 453 | short inp6_hops; |
| 454 | } inp_depend6; |
| 455 | u_int32_t inp_flowhash; |
| 456 | u_int32_t inp_flags2; |
| 457 | }; |
| 458 | #endif /* PRIVATE */ |
| 459 | |
| 460 | struct xinpgen { |
| 461 | u_int32_t xig_len; /* length of this structure */ |
| 462 | u_int xig_count; /* number of PCBs at this time */ |
| 463 | inp_gen_t xig_gen; /* generation count at this time */ |
| 464 | so_gen_t xig_sogen; /* current socket generation count */ |
| 465 | }; |
| 466 | |
| 467 | #pragma pack() |
| 468 | |
| 469 | /* |
| 470 | * These defines are for use with the inpcb. |
| 471 | */ |
| 472 | #define INP_IPV4 0x1 |
| 473 | #define INP_IPV6 0x2 |
| 474 | #define inp_faddr inp_dependfaddr.inp46_foreign.ia46_addr4 |
| 475 | #define inp_laddr inp_dependladdr.inp46_local.ia46_addr4 |
| 476 | #define in6p_faddr inp_dependfaddr.inp6_foreign |
| 477 | #define in6p_laddr inp_dependladdr.inp6_local |
| 478 | |
| 479 | #ifdef BSD_KERNEL_PRIVATE |
| 480 | #define inp_route inp_dependroute.inp4_route |
| 481 | #define inp_ip_tos inp_depend4.inp4_ip_tos |
| 482 | #define inp_options inp_depend4.inp4_options |
| 483 | #define inp_moptions inp_depend4.inp4_moptions |
| 484 | #define in6p_route inp_dependroute.inp6_route |
| 485 | #define in6p_ip6_hlim inp_depend6.inp6_hlim |
| 486 | #define in6p_hops inp_depend6.inp6_hops /* default hop limit */ |
| 487 | #define in6p_ip6_nxt inp_ip_p |
| 488 | #define in6p_vflag inp_vflag |
| 489 | #define in6p_options inp_depend6.inp6_options |
| 490 | #define in6p_outputopts inp_depend6.inp6_outputopts |
| 491 | #define in6p_moptions inp_depend6.inp6_moptions |
| 492 | #define in6p_icmp6filt inp_depend6.inp6_icmp6filt |
| 493 | #define in6p_cksum inp_depend6.inp6_cksum |
| 494 | #define in6p_ifindex inp_depend6.inp6_ifindex |
| 495 | #define in6p_flags inp_flags |
| 496 | #define in6p_flags2 inp_flags2 |
| 497 | #define in6p_socket inp_socket |
| 498 | #define in6p_lport inp_lport |
| 499 | #define in6p_fport inp_fport |
| 500 | #define in6p_ppcb inp_ppcb |
| 501 | #define in6p_state inp_state |
| 502 | #define in6p_wantcnt inp_wantcnt |
| 503 | #define in6p_last_outifp inp_last_outifp |
| 504 | #define in6pcb inpcb |
| 505 | #if IPSEC |
| 506 | #define in6p_sp inp_sp |
| 507 | #endif /* IPSEC */ |
| 508 | #define INP_INC_IFNET_STAT(_inp_, _stat_) { \ |
| 509 | if ((_inp_)->inp_last_outifp != NULL) { \ |
| 510 | if ((_inp_)->inp_vflag & INP_IPV6) { \ |
| 511 | (_inp_)->inp_last_outifp->if_ipv6_stat->_stat_++;\ |
| 512 | } else { \ |
| 513 | (_inp_)->inp_last_outifp->if_ipv4_stat->_stat_++;\ |
| 514 | }\ |
| 515 | }\ |
| 516 | } |
| 517 | |
| 518 | struct inpcbport { |
| 519 | LIST_ENTRY(inpcbport) phd_hash; |
| 520 | struct inpcbhead phd_pcblist; |
| 521 | u_short phd_port; |
| 522 | }; |
| 523 | |
| 524 | struct intimercount { |
| 525 | u_int32_t intimer_lazy; /* lazy requests for timer scheduling */ |
| 526 | u_int32_t intimer_fast; /* fast requests, can be coalesced */ |
| 527 | u_int32_t intimer_nodelay; /* fast requests, never coalesced */ |
| 528 | }; |
| 529 | |
| 530 | typedef void (*inpcb_timer_func_t)(struct inpcbinfo *); |
| 531 | |
| 532 | /* |
| 533 | * Global data structure for each high-level protocol (UDP, TCP, ...) in both |
| 534 | * IPv4 and IPv6. Holds inpcb lists and information for managing them. Each |
| 535 | * pcbinfo is protected by a RW lock: ipi_lock. |
| 536 | * |
| 537 | * All INPCB pcbinfo entries are linked together via ipi_entry. |
| 538 | */ |
| 539 | struct inpcbinfo { |
| 540 | /* |
| 541 | * Glue to all PCB infos, as well as garbage collector and |
| 542 | * timer callbacks, protected by inpcb_lock. Callout request |
| 543 | * counts are atomically updated. |
| 544 | */ |
| 545 | TAILQ_ENTRY(inpcbinfo) ipi_entry; |
| 546 | inpcb_timer_func_t ipi_gc; |
| 547 | inpcb_timer_func_t ipi_timer; |
| 548 | struct intimercount ipi_gc_req; |
| 549 | struct intimercount ipi_timer_req; |
| 550 | |
| 551 | /* |
| 552 | * Per-protocol lock protecting pcb list, pcb count, etc. |
| 553 | */ |
| 554 | lck_rw_t *ipi_lock; |
| 555 | |
| 556 | /* |
| 557 | * List and count of pcbs on the protocol. |
| 558 | */ |
| 559 | struct inpcbhead *ipi_listhead; |
| 560 | uint32_t ipi_count; |
| 561 | |
| 562 | /* |
| 563 | * Count of pcbs marked with INP2_TIMEWAIT flag. |
| 564 | */ |
| 565 | uint32_t ipi_twcount; |
| 566 | |
| 567 | /* |
| 568 | * Generation count -- incremented each time a connection is |
| 569 | * allocated or freed. |
| 570 | */ |
| 571 | uint64_t ipi_gencnt; |
| 572 | |
| 573 | /* |
| 574 | * Fields associated with port lookup and allocation. |
| 575 | */ |
| 576 | uint16_t ipi_lastport; |
| 577 | uint16_t ipi_lastlow; |
| 578 | uint16_t ipi_lasthi; |
| 579 | |
| 580 | /* |
| 581 | * Zone from which inpcbs are allocated for this protocol. |
| 582 | */ |
| 583 | struct zone *ipi_zone; |
| 584 | |
| 585 | /* |
| 586 | * Per-protocol hash of pcbs, hashed by local and foreign |
| 587 | * addresses and port numbers. |
| 588 | */ |
| 589 | struct inpcbhead *ipi_hashbase; |
| 590 | u_long ipi_hashmask; |
| 591 | |
| 592 | /* |
| 593 | * Per-protocol hash of pcbs, hashed by only local port number. |
| 594 | */ |
| 595 | struct inpcbporthead *ipi_porthashbase; |
| 596 | u_long ipi_porthashmask; |
| 597 | |
| 598 | /* |
| 599 | * Misc. |
| 600 | */ |
| 601 | lck_attr_t *ipi_lock_attr; |
| 602 | lck_grp_t *ipi_lock_grp; |
| 603 | lck_grp_attr_t *ipi_lock_grp_attr; |
| 604 | |
| 605 | #define INPCBINFO_UPDATE_MSS 0x1 |
| 606 | #define INPCBINFO_HANDLE_LQM_ABORT 0x2 |
| 607 | u_int32_t ipi_flags; |
| 608 | }; |
| 609 | |
| 610 | #define INP_PCBHASH(faddr, lport, fport, mask) \ |
| 611 | (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) |
| 612 | #define INP_PCBPORTHASH(lport, mask) \ |
| 613 | (ntohs((lport)) & (mask)) |
| 614 | |
| 615 | #define INP_IS_FLOW_CONTROLLED(_inp_) \ |
| 616 | ((_inp_)->inp_flags & INP_FLOW_CONTROLLED) |
| 617 | #define INP_IS_FLOW_SUSPENDED(_inp_) \ |
| 618 | (((_inp_)->inp_flags & INP_FLOW_SUSPENDED) || \ |
| 619 | ((_inp_)->inp_socket->so_flags & SOF_SUSPENDED)) |
| 620 | #define INP_WAIT_FOR_IF_FEEDBACK(_inp_) \ |
| 621 | (((_inp_)->inp_flags & (INP_FLOW_CONTROLLED | INP_FLOW_SUSPENDED)) != 0) |
| 622 | |
| 623 | #define INP_NO_CELLULAR(_inp) \ |
| 624 | ((_inp)->inp_flags & INP_NO_IFT_CELLULAR) |
| 625 | #define INP_NO_EXPENSIVE(_inp) \ |
| 626 | ((_inp)->inp_flags2 & INP2_NO_IFF_EXPENSIVE) |
| 627 | #define INP_AWDL_UNRESTRICTED(_inp) \ |
| 628 | ((_inp)->inp_flags2 & INP2_AWDL_UNRESTRICTED) |
| 629 | #define INP_INTCOPROC_ALLOWED(_inp) \ |
| 630 | ((_inp)->inp_flags2 & INP2_INTCOPROC_ALLOWED) |
| 631 | |
| 632 | #endif /* BSD_KERNEL_PRIVATE */ |
| 633 | |
| 634 | /* |
| 635 | * Flags for inp_flags. |
| 636 | * |
| 637 | * Some of these are publicly defined for legacy reasons, as they are |
| 638 | * (unfortunately) used by certain applications to determine, at compile |
| 639 | * time, whether or not the OS supports certain features. |
| 640 | */ |
| 641 | #ifdef BSD_KERNEL_PRIVATE |
| 642 | #define INP_RECVOPTS 0x00000001 /* receive incoming IP options */ |
| 643 | #define INP_RECVRETOPTS 0x00000002 /* receive IP options for reply */ |
| 644 | #define INP_RECVDSTADDR 0x00000004 /* receive IP dst address */ |
| 645 | #define INP_HDRINCL 0x00000008 /* user supplies entire IP header */ |
| 646 | #define INP_HIGHPORT 0x00000010 /* user wants "high" port binding */ |
| 647 | #define INP_LOWPORT 0x00000020 /* user wants "low" port binding */ |
| 648 | #endif /* BSD_KERNEL_PRIVATE */ |
| 649 | |
| 650 | #define INP_ANONPORT 0x00000040 /* port chosen for user */ |
| 651 | |
| 652 | #ifdef BSD_KERNEL_PRIVATE |
| 653 | #define INP_RECVIF 0x00000080 /* receive incoming interface */ |
| 654 | #define INP_MTUDISC 0x00000100 /* unused */ |
| 655 | #define INP_STRIPHDR 0x00000200 /* strip hdrs in raw_ip (for OT) */ |
| 656 | #define INP_RECV_ANYIF 0x00000400 /* don't restrict inbound iface */ |
| 657 | #define INP_INADDR_ANY 0x00000800 /* local address wasn't specified */ |
| 658 | #define INP_IN6ADDR_ANY INP_INADDR_ANY |
| 659 | #define INP_RECVTTL 0x00001000 /* receive incoming IP TTL */ |
| 660 | #define INP_UDP_NOCKSUM 0x00002000 /* turn off outbound UDP checksum */ |
| 661 | #define INP_BOUND_IF 0x00004000 /* bind socket to an interface */ |
| 662 | #endif /* BSD_KERNEL_PRIVATE */ |
| 663 | |
| 664 | #define IN6P_IPV6_V6ONLY 0x00008000 /* restrict AF_INET6 socket for v6 */ |
| 665 | |
| 666 | #ifdef BSD_KERNEL_PRIVATE |
| 667 | #define IN6P_PKTINFO 0x00010000 /* receive IP6 dst and I/F */ |
| 668 | #define IN6P_HOPLIMIT 0x00020000 /* receive hoplimit */ |
| 669 | #define IN6P_HOPOPTS 0x00040000 /* receive hop-by-hop options */ |
| 670 | #define IN6P_DSTOPTS 0x00080000 /* receive dst options after rthdr */ |
| 671 | #define IN6P_RTHDR 0x00100000 /* receive routing header */ |
| 672 | #define IN6P_RTHDRDSTOPTS 0x00200000 /* receive dstoptions before rthdr */ |
| 673 | #define IN6P_TCLASS 0x00400000 /* receive traffic class value */ |
| 674 | #define INP_RECVTOS IN6P_TCLASS /* receive incoming IP TOS */ |
| 675 | #define IN6P_AUTOFLOWLABEL 0x00800000 /* attach flowlabel automatically */ |
| 676 | #endif /* BSD_KERNEL_PRIVATE */ |
| 677 | |
| 678 | #define IN6P_BINDV6ONLY 0x01000000 /* do not grab IPv4 traffic */ |
| 679 | |
| 680 | #ifdef BSD_KERNEL_PRIVATE |
| 681 | #define IN6P_RFC2292 0x02000000 /* used RFC2292 API on the socket */ |
| 682 | #define IN6P_MTU 0x04000000 /* receive path MTU */ |
| 683 | #define INP_PKTINFO 0x08000000 /* rcv and snd PKTINFO for IPv4 */ |
| 684 | #define INP_FLOW_SUSPENDED 0x10000000 /* flow suspended */ |
| 685 | #define INP_NO_IFT_CELLULAR 0x20000000 /* do not use cellular interface */ |
| 686 | #define INP_FLOW_CONTROLLED 0x40000000 /* flow controlled */ |
| 687 | #define INP_FC_FEEDBACK 0x80000000 /* got interface flow adv feedback */ |
| 688 | |
| 689 | #define INP_CONTROLOPTS \ |
| 690 | (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|INP_RECVIF|INP_RECVTTL| \ |
| 691 | INP_PKTINFO|IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|IN6P_DSTOPTS| \ |
| 692 | IN6P_RTHDR|IN6P_RTHDRDSTOPTS|IN6P_TCLASS|IN6P_RFC2292|IN6P_MTU) |
| 693 | |
| 694 | #define INP_UNMAPPABLEOPTS \ |
| 695 | (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR| IN6P_TCLASS|IN6P_AUTOFLOWLABEL) |
| 696 | |
| 697 | /* |
| 698 | * Flags for inp_flags2. |
| 699 | * |
| 700 | * Overflowed INP flags; use INP2 prefix to avoid misuse. |
| 701 | */ |
| 702 | #define INP2_TIMEWAIT 0x00000001 /* in TIMEWAIT */ |
| 703 | #define INP2_IN_FCTREE 0x00000002 /* in inp_fc_tree */ |
| 704 | #define INP2_WANT_APP_POLICY 0x00000004 /* necp app policy check is desired */ |
| 705 | #define INP2_NO_IFF_EXPENSIVE 0x00000008 /* do not use expensive interface */ |
| 706 | #define INP2_INHASHLIST 0x00000010 /* pcb is in inp_hash list */ |
| 707 | #define INP2_AWDL_UNRESTRICTED 0x00000020 /* AWDL restricted mode allowed */ |
| 708 | #define INP2_KEEPALIVE_OFFLOAD 0x00000040 /* Enable UDP or TCP keepalive offload */ |
| 709 | #define INP2_INTCOPROC_ALLOWED 0x00000080 /* Allow communication via internal co-processor interfaces */ |
| 710 | #define INP2_CONNECT_IN_PROGRESS 0x00000100 /* A connect call is in progress, so binds are intermediate steps */ |
| 711 | |
| 712 | /* |
| 713 | * Flags passed to in_pcblookup*() functions. |
| 714 | */ |
| 715 | #define INPLOOKUP_WILDCARD 1 |
| 716 | |
| 717 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) |
| 718 | #define sotoin6pcb(so) sotoinpcb(so) |
| 719 | |
| 720 | struct sysctl_req; |
| 721 | |
| 722 | extern int ipport_lowfirstauto; |
| 723 | extern int ipport_lowlastauto; |
| 724 | extern int ipport_firstauto; |
| 725 | extern int ipport_lastauto; |
| 726 | extern int ipport_hifirstauto; |
| 727 | extern int ipport_hilastauto; |
| 728 | |
| 729 | /* freshly allocated PCB, it's in use */ |
| 730 | #define INPCB_STATE_INUSE 0x1 |
| 731 | /* this pcb is sitting in a a cache */ |
| 732 | #define INPCB_STATE_CACHED 0x2 |
| 733 | /* should treat as gone, will be garbage collected and freed */ |
| 734 | #define INPCB_STATE_DEAD 0x3 |
| 735 | |
| 736 | /* marked as ready to be garbaged collected, should be treated as not found */ |
| 737 | #define WNT_STOPUSING 0xffff |
| 738 | /* that pcb is being acquired, do not recycle this time */ |
| 739 | #define WNT_ACQUIRE 0x1 |
| 740 | /* release acquired mode, can be garbage collected when wantcnt is null */ |
| 741 | #define WNT_RELEASE 0x2 |
| 742 | |
| 743 | extern void in_pcbinit(void); |
| 744 | extern void in_pcbinfo_attach(struct inpcbinfo *); |
| 745 | extern int in_pcbinfo_detach(struct inpcbinfo *); |
| 746 | |
| 747 | /* type of timer to be scheduled by inpcb_gc_sched and inpcb_timer_sched */ |
| 748 | enum { |
| 749 | INPCB_TIMER_LAZY = 0x1, |
| 750 | INPCB_TIMER_FAST, |
| 751 | INPCB_TIMER_NODELAY |
| 752 | }; |
| 753 | extern void inpcb_gc_sched(struct inpcbinfo *, u_int32_t type); |
| 754 | extern void inpcb_timer_sched(struct inpcbinfo *, u_int32_t type); |
| 755 | |
| 756 | extern void in_losing(struct inpcb *); |
| 757 | extern void in_rtchange(struct inpcb *, int); |
| 758 | extern int in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *); |
| 759 | extern int in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *); |
| 760 | extern int in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *, |
| 761 | unsigned int, struct ifnet **); |
| 762 | extern void in_pcbdetach(struct inpcb *); |
| 763 | extern void in_pcbdispose(struct inpcb *); |
| 764 | extern void in_pcbdisconnect(struct inpcb *); |
| 765 | extern int in_pcbinshash(struct inpcb *, int); |
| 766 | extern int in_pcbladdr(struct inpcb *, struct sockaddr *, struct in_addr *, |
| 767 | unsigned int, struct ifnet **, int); |
| 768 | extern struct inpcb *in_pcblookup_local(struct inpcbinfo *, struct in_addr, |
| 769 | u_int, int); |
| 770 | extern struct inpcb *in_pcblookup_local_and_cleanup(struct inpcbinfo *, |
| 771 | struct in_addr, u_int, int); |
| 772 | extern struct inpcb *in_pcblookup_hash(struct inpcbinfo *, struct in_addr, |
| 773 | u_int, struct in_addr, u_int, int, struct ifnet *); |
| 774 | extern int in_pcblookup_hash_exists(struct inpcbinfo *, struct in_addr, |
| 775 | u_int, struct in_addr, u_int, int, uid_t *, gid_t *, struct ifnet *); |
| 776 | extern void in_pcbnotifyall(struct inpcbinfo *, struct in_addr, int, |
| 777 | void (*)(struct inpcb *, int)); |
| 778 | extern void in_pcbrehash(struct inpcb *); |
| 779 | extern int in_getpeeraddr(struct socket *, struct sockaddr **); |
| 780 | extern int in_getsockaddr(struct socket *, struct sockaddr **); |
| 781 | extern int in_getsockaddr_s(struct socket *, struct sockaddr_in *); |
| 782 | extern int in_pcb_checkstate(struct inpcb *, int, int); |
| 783 | extern void in_pcbremlists(struct inpcb *); |
| 784 | extern void inpcb_to_compat(struct inpcb *, struct inpcb_compat *); |
| 785 | #if !CONFIG_EMBEDDED |
| 786 | extern void inpcb_to_xinpcb64(struct inpcb *, struct xinpcb64 *); |
| 787 | #endif |
| 788 | |
| 789 | extern int get_pcblist_n(short, struct sysctl_req *, struct inpcbinfo *); |
| 790 | #define INPCB_GET_PORTS_USED_WILDCARDOK 0x01 |
| 791 | #define INPCB_GET_PORTS_USED_NOWAKEUPOK 0x02 |
| 792 | #define INPCB_GET_PORTS_USED_RECVANYIFONLY 0x04 |
| 793 | #define INPCB_GET_PORTS_USED_EXTBGIDLEONLY 0x08 |
| 794 | #define INPCB_GET_PORTS_USED_ACTIVEONLY 0x10 |
| 795 | |
| 796 | extern void inpcb_get_ports_used(u_int32_t, int, u_int32_t, bitstr_t *, |
| 797 | struct inpcbinfo *); |
| 798 | #define INPCB_OPPORTUNISTIC_THROTTLEON 0x0001 |
| 799 | #define INPCB_OPPORTUNISTIC_SETCMD 0x0002 |
| 800 | extern uint32_t inpcb_count_opportunistic(unsigned int, struct inpcbinfo *, |
| 801 | u_int32_t); |
| 802 | extern uint32_t inpcb_find_anypcb_byaddr(struct ifaddr *, struct inpcbinfo *); |
| 803 | extern void inp_route_copyout(struct inpcb *, struct route *); |
| 804 | extern void inp_route_copyin(struct inpcb *, struct route *); |
| 805 | extern int inp_bindif(struct inpcb *, unsigned int, struct ifnet **); |
| 806 | extern void inp_set_nocellular(struct inpcb *); |
| 807 | extern void inp_clear_nocellular(struct inpcb *); |
| 808 | extern void inp_set_noexpensive(struct inpcb *); |
| 809 | extern void inp_set_awdl_unrestricted(struct inpcb *); |
| 810 | extern boolean_t inp_get_awdl_unrestricted(struct inpcb *); |
| 811 | extern void inp_clear_awdl_unrestricted(struct inpcb *); |
| 812 | extern void inp_set_intcoproc_allowed(struct inpcb *); |
| 813 | extern boolean_t inp_get_intcoproc_allowed(struct inpcb *); |
| 814 | extern void inp_clear_intcoproc_allowed(struct inpcb *); |
| 815 | #if NECP |
| 816 | extern void inp_update_necp_policy(struct inpcb *, struct sockaddr *, struct sockaddr *, u_int); |
| 817 | extern void inp_set_want_app_policy(struct inpcb *); |
| 818 | extern void inp_clear_want_app_policy(struct inpcb *); |
| 819 | #endif /* NECP */ |
| 820 | extern u_int32_t inp_calc_flowhash(struct inpcb *); |
| 821 | extern void inp_reset_fc_state(struct inpcb *); |
| 822 | extern int inp_set_fc_state(struct inpcb *, int advcode); |
| 823 | extern void inp_fc_unthrottle_tcp(struct inpcb *); |
| 824 | extern void inp_flowadv(uint32_t); |
| 825 | extern int inp_flush(struct inpcb *, int); |
| 826 | extern int inp_findinpcb_procinfo(struct inpcbinfo *, uint32_t, struct so_procinfo *); |
| 827 | extern void inp_get_soprocinfo(struct inpcb *, struct so_procinfo *); |
| 828 | extern int inp_update_policy(struct inpcb *); |
| 829 | extern boolean_t inp_restricted_recv(struct inpcb *, struct ifnet *); |
| 830 | extern boolean_t inp_restricted_send(struct inpcb *, struct ifnet *); |
| 831 | extern void inp_incr_sndbytes_total(struct socket *, int); |
| 832 | extern void inp_decr_sndbytes_total(struct socket *, int); |
| 833 | extern void inp_count_sndbytes(struct inpcb *, u_int32_t); |
| 834 | extern void inp_incr_sndbytes_unsent(struct socket *, int32_t); |
| 835 | extern void inp_decr_sndbytes_unsent(struct socket *, int32_t); |
| 836 | extern int32_t inp_get_sndbytes_allunsent(struct socket *, u_int32_t); |
| 837 | extern void inp_decr_sndbytes_allunsent(struct socket *, u_int32_t); |
| 838 | extern void inp_set_activity_bitmap(struct inpcb *inp); |
| 839 | extern void inp_get_activity_bitmap(struct inpcb *inp, activity_bitmap_t *b); |
| 840 | #endif /* BSD_KERNEL_PRIVATE */ |
| 841 | #ifdef KERNEL_PRIVATE |
| 842 | /* exported for PPP */ |
| 843 | extern void inp_clear_INP_INADDR_ANY(struct socket *); |
| 844 | #endif /* KERNEL_PRIVATE */ |
| 845 | #endif /* !_NETINET_IN_PCB_H_ */ |