| 1 | /* $NetBSD: protosw.h,v 1.66 2016/01/20 21:43:59 riastradh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1982, 1986, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * @(#)protosw.h 8.1 (Berkeley) 6/2/93 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _SYS_PROTOSW_H_ |
| 35 | #define _SYS_PROTOSW_H_ |
| 36 | |
| 37 | /* |
| 38 | * Protocol switch table. |
| 39 | * |
| 40 | * Each protocol has a handle initializing one of these structures, |
| 41 | * which is used for protocol-protocol and system-protocol communication. |
| 42 | * |
| 43 | * A protocol is called through the pr_init entry before any other. |
| 44 | * Thereafter it is called every 200ms through the pr_fasttimo entry and |
| 45 | * every 500ms through the pr_slowtimo for timer based actions. |
| 46 | * The system will call the pr_drain entry if it is low on space and |
| 47 | * this should throw away any non-critical data. |
| 48 | * |
| 49 | * Protocols pass data between themselves as chains of mbufs using |
| 50 | * the pr_input and pr_output hooks. Pr_input passes data up (towards |
| 51 | * UNIX) and pr_output passes it down (towards the imps); control |
| 52 | * information passes up and down on pr_ctlinput and pr_ctloutput. |
| 53 | * The protocol is responsible for the space occupied by any the |
| 54 | * arguments to these entries and must dispose it. |
| 55 | * |
| 56 | * The userreq routine interfaces protocols to the system and is |
| 57 | * described below. |
| 58 | */ |
| 59 | |
| 60 | struct mbuf; |
| 61 | struct ifnet; |
| 62 | struct sockaddr; |
| 63 | struct socket; |
| 64 | struct sockopt; |
| 65 | struct stat; |
| 66 | struct domain; |
| 67 | struct proc; |
| 68 | struct lwp; |
| 69 | struct pr_usrreqs; |
| 70 | |
| 71 | struct protosw { |
| 72 | int pr_type; /* socket type used for */ |
| 73 | struct domain *pr_domain; /* domain protocol a member of */ |
| 74 | short pr_protocol; /* protocol number */ |
| 75 | short pr_flags; /* see below */ |
| 76 | |
| 77 | /* protocol-protocol hooks */ |
| 78 | void (*pr_input) /* input to protocol (from below) */ |
| 79 | (struct mbuf *, ...); |
| 80 | void *(*pr_ctlinput) /* control input (from below) */ |
| 81 | (int, const struct sockaddr *, void *); |
| 82 | int (*pr_ctloutput) /* control output (from above) */ |
| 83 | (int, struct socket *, struct sockopt *); |
| 84 | |
| 85 | /* user-protocol hooks */ |
| 86 | const struct pr_usrreqs *pr_usrreqs; |
| 87 | |
| 88 | /* utility hooks */ |
| 89 | void (*pr_init) /* initialization hook */ |
| 90 | (void); |
| 91 | |
| 92 | void (*pr_fasttimo) /* fast timeout (200ms) */ |
| 93 | (void); |
| 94 | void (*pr_slowtimo) /* slow timeout (500ms) */ |
| 95 | (void); |
| 96 | void (*pr_drain) /* flush any excess space possible */ |
| 97 | (void); |
| 98 | }; |
| 99 | |
| 100 | #define PR_SLOWHZ 2 /* 2 slow timeouts per second */ |
| 101 | #define PR_FASTHZ 5 /* 5 fast timeouts per second */ |
| 102 | |
| 103 | /* |
| 104 | * Values for pr_flags. |
| 105 | * PR_ADDR requires PR_ATOMIC; |
| 106 | * PR_ADDR and PR_CONNREQUIRED are mutually exclusive. |
| 107 | */ |
| 108 | #define PR_ATOMIC 0x01 /* exchange atomic messages only */ |
| 109 | #define PR_ADDR 0x02 /* addresses given with messages */ |
| 110 | #define PR_CONNREQUIRED 0x04 /* connection required by protocol */ |
| 111 | #define PR_WANTRCVD 0x08 /* want pr_rcvd() calls */ |
| 112 | #define PR_RIGHTS 0x10 /* passes capabilities */ |
| 113 | #define PR_LISTEN 0x20 /* supports listen(2) and accept(2) */ |
| 114 | #define PR_LASTHDR 0x40 /* enforce ipsec policy; last header */ |
| 115 | #define PR_ABRTACPTDIS 0x80 /* abort on accept(2) to disconnected |
| 116 | socket */ |
| 117 | #define PR_PURGEIF 0x100 /* might store struct ifnet pointer; |
| 118 | pr_purgeif() must be called on ifnet |
| 119 | deletion */ |
| 120 | #define PR_ADDR_OPT 0x200 /* Allow address during delivery */ |
| 121 | |
| 122 | |
| 123 | /* |
| 124 | * The arguments to usrreq are: |
| 125 | * (*protosw[].pr_usrreq)(up, req, m, nam, opt, p); |
| 126 | * where up is a (struct socket *), req is one of these requests, |
| 127 | * m is a optional mbuf chain containing a message, |
| 128 | * nam is an optional mbuf chain containing an address, |
| 129 | * opt is an optional mbuf containing socket options, |
| 130 | * and p is a pointer to the process requesting the action (if any). |
| 131 | * The protocol is responsible for disposal of the mbuf chains m and opt, |
| 132 | * the caller is responsible for any space held by nam. |
| 133 | * A non-zero return from usrreq gives an |
| 134 | * UNIX error number which should be passed to higher level software. |
| 135 | */ |
| 136 | #define PRU_ATTACH 0 /* attach protocol to up */ |
| 137 | #define PRU_DETACH 1 /* detach protocol from up */ |
| 138 | #define PRU_BIND 2 /* bind socket to address */ |
| 139 | #define PRU_LISTEN 3 /* listen for connection */ |
| 140 | #define PRU_CONNECT 4 /* establish connection to peer */ |
| 141 | #define PRU_ACCEPT 5 /* accept connection from peer */ |
| 142 | #define PRU_DISCONNECT 6 /* disconnect from peer */ |
| 143 | #define PRU_SHUTDOWN 7 /* won't send any more data */ |
| 144 | #define PRU_RCVD 8 /* have taken data; more room now */ |
| 145 | #define PRU_SEND 9 /* send this data */ |
| 146 | #define PRU_ABORT 10 /* abort (fast DISCONNECT, DETACH) */ |
| 147 | #define PRU_CONTROL 11 /* control operations on protocol */ |
| 148 | #define PRU_SENSE 12 /* return status into m */ |
| 149 | #define PRU_RCVOOB 13 /* retrieve out of band data */ |
| 150 | #define PRU_SENDOOB 14 /* send out of band data */ |
| 151 | #define PRU_SOCKADDR 15 /* fetch socket's address */ |
| 152 | #define PRU_PEERADDR 16 /* fetch peer's address */ |
| 153 | #define PRU_CONNECT2 17 /* connect two sockets */ |
| 154 | /* begin for protocols internal use */ |
| 155 | #define PRU_FASTTIMO 18 /* 200ms timeout */ |
| 156 | #define PRU_SLOWTIMO 19 /* 500ms timeout */ |
| 157 | #define PRU_PROTORCV 20 /* receive from below */ |
| 158 | #define PRU_PROTOSEND 21 /* send to below */ |
| 159 | #define PRU_PURGEIF 22 /* purge specified if */ |
| 160 | |
| 161 | #define PRU_NREQ 23 |
| 162 | |
| 163 | #ifdef PRUREQUESTS |
| 164 | static const char * const prurequests[] = { |
| 165 | "ATTACH" , "DETACH" , "BIND" , "LISTEN" , |
| 166 | "CONNECT" , "ACCEPT" , "DISCONNECT" , "SHUTDOWN" , |
| 167 | "RCVD" , "SEND" , "ABORT" , "CONTROL" , |
| 168 | "SENSE" , "RCVOOB" , "SENDOOB" , "SOCKADDR" , |
| 169 | "PEERADDR" , "CONNECT2" , "FASTTIMO" , "SLOWTIMO" , |
| 170 | "PROTORCV" , "PROTOSEND" , "PURGEIF" , |
| 171 | }; |
| 172 | #endif |
| 173 | |
| 174 | /* |
| 175 | * The arguments to the ctlinput routine are |
| 176 | * (*protosw[].pr_ctlinput)(cmd, sa, arg); |
| 177 | * where cmd is one of the commands below, sa is a pointer to a sockaddr, |
| 178 | * and arg is an optional void *argument used within a protocol family. |
| 179 | */ |
| 180 | #define PRC_IFDOWN 0 /* interface transition */ |
| 181 | #define PRC_ROUTEDEAD 1 /* select new route if possible ??? */ |
| 182 | #define PRC_QUENCH2 3 /* DEC congestion bit says slow down */ |
| 183 | #define PRC_QUENCH 4 /* some one said to slow down */ |
| 184 | #define PRC_MSGSIZE 5 /* message size forced drop */ |
| 185 | #define PRC_HOSTDEAD 6 /* host appears to be down */ |
| 186 | #define PRC_HOSTUNREACH 7 /* deprecated (use PRC_UNREACH_HOST) */ |
| 187 | #define PRC_UNREACH_NET 8 /* no route to network */ |
| 188 | #define PRC_UNREACH_HOST 9 /* no route to host */ |
| 189 | #define PRC_UNREACH_PROTOCOL 10 /* dst says bad protocol */ |
| 190 | #define PRC_UNREACH_PORT 11 /* bad port # */ |
| 191 | /* was PRC_UNREACH_NEEDFRAG 12 (use PRC_MSGSIZE) */ |
| 192 | #define PRC_UNREACH_SRCFAIL 13 /* source route failed */ |
| 193 | #define PRC_REDIRECT_NET 14 /* net routing redirect */ |
| 194 | #define PRC_REDIRECT_HOST 15 /* host routing redirect */ |
| 195 | #define PRC_REDIRECT_TOSNET 16 /* redirect for type of service & net */ |
| 196 | #define PRC_REDIRECT_TOSHOST 17 /* redirect for tos & host */ |
| 197 | #define PRC_TIMXCEED_INTRANS 18 /* packet lifetime expired in transit */ |
| 198 | #define PRC_TIMXCEED_REASS 19 /* lifetime expired on reass q */ |
| 199 | #define PRC_PARAMPROB 20 /* header incorrect */ |
| 200 | |
| 201 | #define PRC_NCMDS 21 |
| 202 | |
| 203 | #define PRC_IS_REDIRECT(cmd) \ |
| 204 | ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST) |
| 205 | |
| 206 | #ifdef PRCREQUESTS |
| 207 | static const char * const prcrequests[] = { |
| 208 | "IFDOWN" , "ROUTEDEAD" , "#2" , "DEC-BIT-QUENCH2" , |
| 209 | "QUENCH" , "MSGSIZE" , "HOSTDEAD" , "#7" , |
| 210 | "NET-UNREACH" , "HOST-UNREACH" , "PROTO-UNREACH" , "PORT-UNREACH" , |
| 211 | "#12" , "SRCFAIL-UNREACH" , "NET-REDIRECT" , "HOST-REDIRECT" , |
| 212 | "TOSNET-REDIRECT" , "TOSHOST-REDIRECT" , "TX-INTRANS" , "TX-REASS" , |
| 213 | "PARAMPROB" |
| 214 | }; |
| 215 | #endif |
| 216 | |
| 217 | /* |
| 218 | * The arguments to ctloutput are: |
| 219 | * (*protosw[].pr_ctloutput)(req, so, sopt); |
| 220 | * req is one of the actions listed below, so is a (struct socket *), |
| 221 | * sopt is a (struct sockopt *) |
| 222 | * A non-zero return from usrreq gives an |
| 223 | * UNIX error number which should be passed to higher level software. |
| 224 | */ |
| 225 | #define PRCO_GETOPT 0 |
| 226 | #define PRCO_SETOPT 1 |
| 227 | |
| 228 | #define PRCO_NCMDS 2 |
| 229 | |
| 230 | #ifdef PRCOREQUESTS |
| 231 | static const char * const prcorequests[] = { |
| 232 | "GETOPT" , "SETOPT" , |
| 233 | }; |
| 234 | #endif |
| 235 | |
| 236 | #ifdef _KERNEL |
| 237 | |
| 238 | struct pr_usrreqs { |
| 239 | int (*pr_attach)(struct socket *, int); |
| 240 | void (*pr_detach)(struct socket *); |
| 241 | int (*pr_accept)(struct socket *, struct sockaddr *); |
| 242 | int (*pr_connect)(struct socket *, struct sockaddr *, struct lwp *); |
| 243 | int (*pr_connect2)(struct socket *, struct socket *); |
| 244 | int (*pr_bind)(struct socket *, struct sockaddr *, struct lwp *); |
| 245 | int (*pr_listen)(struct socket *, struct lwp *); |
| 246 | int (*pr_disconnect)(struct socket *); |
| 247 | int (*pr_shutdown)(struct socket *); |
| 248 | int (*pr_abort)(struct socket *); |
| 249 | int (*pr_ioctl)(struct socket *, u_long, void *, struct ifnet *); |
| 250 | int (*pr_stat)(struct socket *, struct stat *); |
| 251 | int (*pr_peeraddr)(struct socket *, struct sockaddr *); |
| 252 | int (*pr_sockaddr)(struct socket *, struct sockaddr *); |
| 253 | int (*pr_rcvd)(struct socket *, int, struct lwp *); |
| 254 | int (*pr_recvoob)(struct socket *, struct mbuf *, int); |
| 255 | int (*pr_send)(struct socket *, struct mbuf *, struct sockaddr *, |
| 256 | struct mbuf *, struct lwp *); |
| 257 | int (*pr_sendoob)(struct socket *, struct mbuf *, struct mbuf *); |
| 258 | int (*pr_purgeif)(struct socket *, struct ifnet *); |
| 259 | }; |
| 260 | |
| 261 | /* |
| 262 | * Monotonically increasing time values for slow and fast timers. |
| 263 | */ |
| 264 | extern u_int pfslowtimo_now; |
| 265 | extern u_int pffasttimo_now; |
| 266 | |
| 267 | #define PRT_SLOW_ARM(t, nticks) (t) = (pfslowtimo_now + (nticks)) |
| 268 | #define PRT_FAST_ARM(t, nticks) (t) = (pffasttimo_now + (nticks)) |
| 269 | |
| 270 | #define PRT_SLOW_DISARM(t) (t) = 0 |
| 271 | #define PRT_FAST_DISARM(t) (t) = 0 |
| 272 | |
| 273 | #define PRT_SLOW_ISARMED(t) ((t) != 0) |
| 274 | #define PRT_FAST_ISARMED(t) ((t) != 0) |
| 275 | |
| 276 | #define PRT_SLOW_ISEXPIRED(t) (PRT_SLOW_ISARMED((t)) && (t) <= pfslowtimo_now) |
| 277 | #define PRT_FAST_ISEXPIRED(t) (PRT_FAST_ISARMED((t)) && (t) <= pffasttimo_now) |
| 278 | |
| 279 | struct sockaddr; |
| 280 | const struct protosw *pffindproto(int, int, int); |
| 281 | const struct protosw *pffindtype(int, int); |
| 282 | struct domain *pffinddomain(int); |
| 283 | void pfctlinput(int, const struct sockaddr *); |
| 284 | void pfctlinput2(int, const struct sockaddr *, void *); |
| 285 | |
| 286 | /* |
| 287 | * Wrappers for non-MPSAFE protocols |
| 288 | */ |
| 289 | #include <sys/systm.h> /* kernel_lock */ |
| 290 | |
| 291 | #define PR_WRAP_USRREQS(name) \ |
| 292 | static int \ |
| 293 | name##_attach_wrapper(struct socket *a, int b) \ |
| 294 | { \ |
| 295 | int rv; \ |
| 296 | KERNEL_LOCK(1, NULL); \ |
| 297 | rv = name##_attach(a, b); \ |
| 298 | KERNEL_UNLOCK_ONE(NULL); \ |
| 299 | return rv; \ |
| 300 | } \ |
| 301 | static void \ |
| 302 | name##_detach_wrapper(struct socket *a) \ |
| 303 | { \ |
| 304 | KERNEL_LOCK(1, NULL); \ |
| 305 | name##_detach(a); \ |
| 306 | KERNEL_UNLOCK_ONE(NULL); \ |
| 307 | } \ |
| 308 | static int \ |
| 309 | name##_accept_wrapper(struct socket *a, \ |
| 310 | struct sockaddr *b) \ |
| 311 | { \ |
| 312 | int rv; \ |
| 313 | KERNEL_LOCK(1, NULL); \ |
| 314 | rv = name##_accept(a, b); \ |
| 315 | KERNEL_UNLOCK_ONE(NULL); \ |
| 316 | return rv; \ |
| 317 | } \ |
| 318 | static int \ |
| 319 | name##_bind_wrapper(struct socket *a, \ |
| 320 | struct sockaddr *b, struct lwp *c) \ |
| 321 | { \ |
| 322 | int rv; \ |
| 323 | KERNEL_LOCK(1, NULL); \ |
| 324 | rv = name##_bind(a, b, c); \ |
| 325 | KERNEL_UNLOCK_ONE(NULL); \ |
| 326 | return rv; \ |
| 327 | } \ |
| 328 | static int \ |
| 329 | name##_connect_wrapper(struct socket *a, \ |
| 330 | struct sockaddr *b, struct lwp *c) \ |
| 331 | { \ |
| 332 | int rv; \ |
| 333 | KERNEL_LOCK(1, NULL); \ |
| 334 | rv = name##_connect(a, b, c); \ |
| 335 | KERNEL_UNLOCK_ONE(NULL); \ |
| 336 | return rv; \ |
| 337 | } \ |
| 338 | static int \ |
| 339 | name##_connect2_wrapper(struct socket *a, \ |
| 340 | struct socket *b) \ |
| 341 | { \ |
| 342 | int rv; \ |
| 343 | KERNEL_LOCK(1, NULL); \ |
| 344 | rv = name##_connect2(a, b); \ |
| 345 | KERNEL_UNLOCK_ONE(NULL); \ |
| 346 | return rv; \ |
| 347 | } \ |
| 348 | static int \ |
| 349 | name##_listen_wrapper(struct socket *a, struct lwp *b) \ |
| 350 | { \ |
| 351 | int rv; \ |
| 352 | KERNEL_LOCK(1, NULL); \ |
| 353 | rv = name##_listen(a, b); \ |
| 354 | KERNEL_UNLOCK_ONE(NULL); \ |
| 355 | return rv; \ |
| 356 | } \ |
| 357 | static int \ |
| 358 | name##_disconnect_wrapper(struct socket *a) \ |
| 359 | { \ |
| 360 | int rv; \ |
| 361 | KERNEL_LOCK(1, NULL); \ |
| 362 | rv = name##_disconnect(a); \ |
| 363 | KERNEL_UNLOCK_ONE(NULL); \ |
| 364 | return rv; \ |
| 365 | } \ |
| 366 | static int \ |
| 367 | name##_shutdown_wrapper(struct socket *a) \ |
| 368 | { \ |
| 369 | int rv; \ |
| 370 | KERNEL_LOCK(1, NULL); \ |
| 371 | rv = name##_shutdown(a); \ |
| 372 | KERNEL_UNLOCK_ONE(NULL); \ |
| 373 | return rv; \ |
| 374 | } \ |
| 375 | static int \ |
| 376 | name##_abort_wrapper(struct socket *a) \ |
| 377 | { \ |
| 378 | int rv; \ |
| 379 | KERNEL_LOCK(1, NULL); \ |
| 380 | rv = name##_abort(a); \ |
| 381 | KERNEL_UNLOCK_ONE(NULL); \ |
| 382 | return rv; \ |
| 383 | } \ |
| 384 | static int \ |
| 385 | name##_ioctl_wrapper(struct socket *a, u_long b, \ |
| 386 | void *c, struct ifnet *d) \ |
| 387 | { \ |
| 388 | int rv; \ |
| 389 | KERNEL_LOCK(1, NULL); \ |
| 390 | rv = name##_ioctl(a, b, c, d); \ |
| 391 | KERNEL_UNLOCK_ONE(NULL); \ |
| 392 | return rv; \ |
| 393 | } \ |
| 394 | static int \ |
| 395 | name##_stat_wrapper(struct socket *a, struct stat *b) \ |
| 396 | { \ |
| 397 | int rv; \ |
| 398 | KERNEL_LOCK(1, NULL); \ |
| 399 | rv = name##_stat(a, b); \ |
| 400 | KERNEL_UNLOCK_ONE(NULL); \ |
| 401 | return rv; \ |
| 402 | } \ |
| 403 | static int \ |
| 404 | name##_peeraddr_wrapper(struct socket *a, \ |
| 405 | struct sockaddr *b) \ |
| 406 | { \ |
| 407 | int rv; \ |
| 408 | KERNEL_LOCK(1, NULL); \ |
| 409 | rv = name##_peeraddr(a, b); \ |
| 410 | KERNEL_UNLOCK_ONE(NULL); \ |
| 411 | return rv; \ |
| 412 | } \ |
| 413 | static int \ |
| 414 | name##_sockaddr_wrapper(struct socket *a, \ |
| 415 | struct sockaddr *b) \ |
| 416 | { \ |
| 417 | int rv; \ |
| 418 | KERNEL_LOCK(1, NULL); \ |
| 419 | rv = name##_sockaddr(a, b); \ |
| 420 | KERNEL_UNLOCK_ONE(NULL); \ |
| 421 | return rv; \ |
| 422 | } \ |
| 423 | static int \ |
| 424 | name##_rcvd_wrapper(struct socket *a, int b, \ |
| 425 | struct lwp *c) \ |
| 426 | { \ |
| 427 | int rv; \ |
| 428 | KERNEL_LOCK(1, NULL); \ |
| 429 | rv = name##_rcvd(a, b, c); \ |
| 430 | KERNEL_UNLOCK_ONE(NULL); \ |
| 431 | return rv; \ |
| 432 | } \ |
| 433 | static int \ |
| 434 | name##_recvoob_wrapper(struct socket *a, \ |
| 435 | struct mbuf *b, int c) \ |
| 436 | { \ |
| 437 | int rv; \ |
| 438 | KERNEL_LOCK(1, NULL); \ |
| 439 | rv = name##_recvoob(a, b, c); \ |
| 440 | KERNEL_UNLOCK_ONE(NULL); \ |
| 441 | return rv; \ |
| 442 | } \ |
| 443 | static int \ |
| 444 | name##_send_wrapper(struct socket *a, struct mbuf *b, \ |
| 445 | struct sockaddr *c, struct mbuf *d, struct lwp *e) \ |
| 446 | { \ |
| 447 | int rv; \ |
| 448 | KERNEL_LOCK(1, NULL); \ |
| 449 | rv = name##_send(a, b, c, d, e); \ |
| 450 | KERNEL_UNLOCK_ONE(NULL); \ |
| 451 | return rv; \ |
| 452 | } \ |
| 453 | static int \ |
| 454 | name##_sendoob_wrapper(struct socket *a, \ |
| 455 | struct mbuf *b, struct mbuf *c) \ |
| 456 | { \ |
| 457 | int rv; \ |
| 458 | KERNEL_LOCK(1, NULL); \ |
| 459 | rv = name##_sendoob(a, b, c); \ |
| 460 | KERNEL_UNLOCK_ONE(NULL); \ |
| 461 | return rv; \ |
| 462 | } \ |
| 463 | static int \ |
| 464 | name##_purgeif_wrapper(struct socket *a, \ |
| 465 | struct ifnet *b) \ |
| 466 | { \ |
| 467 | int rv; \ |
| 468 | KERNEL_LOCK(1, NULL); \ |
| 469 | rv = name##_purgeif(a, b); \ |
| 470 | KERNEL_UNLOCK_ONE(NULL); \ |
| 471 | return rv; \ |
| 472 | } |
| 473 | |
| 474 | #define PR_WRAP_CTLOUTPUT(name) \ |
| 475 | static int \ |
| 476 | name##_wrapper(int a, struct socket *b, \ |
| 477 | struct sockopt *c) \ |
| 478 | { \ |
| 479 | int rv; \ |
| 480 | KERNEL_LOCK(1, NULL); \ |
| 481 | rv = name(a, b, c); \ |
| 482 | KERNEL_UNLOCK_ONE(NULL); \ |
| 483 | return rv; \ |
| 484 | } |
| 485 | |
| 486 | #define PR_WRAP_CTLINPUT(name) \ |
| 487 | static void * \ |
| 488 | name##_wrapper(int a, const struct sockaddr *b, void *c)\ |
| 489 | { \ |
| 490 | void *rv; \ |
| 491 | KERNEL_LOCK(1, NULL); \ |
| 492 | rv = name(a, b, c); \ |
| 493 | KERNEL_UNLOCK_ONE(NULL); \ |
| 494 | return rv; \ |
| 495 | } |
| 496 | |
| 497 | #endif /* _KERNEL */ |
| 498 | |
| 499 | #endif /* !_SYS_PROTOSW_H_ */ |
| 500 | |