sys/kern/uipc_msg.c

   1 /*
   2  * Copyright (c) 2003, 2004 Jeffrey Hsu.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Jeffrey M. Hsu.
  16  * 4. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * $DragonFly: src/sys/kern/uipc_msg.c,v 1.2 2004/03/06 19:40:28 dillon Exp $
  31  */
  32
  33 #if defined(SMP) || defined(ALWAYS_MSG)
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/msgport.h>
  38 #include <sys/msgport2.h>
  39 #include <sys/protosw.h>
  40 #include <sys/socket.h>
  41 #include <sys/socketvar.h>
  42 #include <sys/socketops.h>
  43 #include <sys/thread.h>
  44
  45 #include <net/netisr.h>
  46 #include <net/netmsg.h>
  47
  48 static int netmsg_pru_dispatcher(struct netmsg *msg);
  49
  50 int
  51 so_pru_abort(struct socket *so)
  52 {
  53         int error;
  54         struct netmsg_pru_abort msg;
  55         lwkt_port_t port;
  56
  57         if (!so->so_proto->pr_mport)
  58                 return ((*so->so_proto->pr_usrreqs->pru_abort)(so));
  59
  60         port = so->so_proto->pr_mport(so, NULL);
  61         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_ABORT);
  62         msg.nm_handler = netmsg_pru_dispatcher;
  63         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_abort;
  64         msg.nm_so = so;
  65         error = lwkt_domsg(port, &msg.nm_lmsg);
  66         return (error);
  67 }
  68
  69 int
  70 so_pru_accept(struct socket *so, struct sockaddr **nam)
  71 {
  72         int error;
  73         struct netmsg_pru_accept msg;
  74         lwkt_port_t port;
  75
  76         if (!so->so_proto->pr_mport)
  77                 return ((*so->so_proto->pr_usrreqs->pru_accept)(so, nam));
  78
  79         port = so->so_proto->pr_mport(so, NULL);
  80         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_ACCEPT);
  81         msg.nm_handler = netmsg_pru_dispatcher;
  82         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_accept;
  83         msg.nm_so = so;
  84         msg.nm_nam = nam;
  85         error = lwkt_domsg(port, &msg.nm_lmsg);
  86         return (error);
  87 }
  88
  89 int
  90 so_pru_attach(struct socket *so, int proto, struct pru_attach_info *ai)
  91 {
  92         int error;
  93         struct netmsg_pru_attach msg;
  94         lwkt_port_t port;
  95
  96         if (!so->so_proto->pr_mport)
  97                 return ((*so->so_proto->pr_usrreqs->pru_attach)(so, proto, ai));
  98
  99         port = so->so_proto->pr_mport(NULL, NULL);
 100
 101         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_ATTACH);
 102         msg.nm_handler = netmsg_pru_dispatcher;
 103         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_attach;
 104         msg.nm_so = so;
 105         msg.nm_proto = proto;
 106         msg.nm_ai = ai;
 107         error = lwkt_domsg(port, &msg.nm_lmsg);
 108         return (error);
 109 }
 110
 111 int
 112 so_pru_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
 113 {
 114         int error;
 115         struct netmsg_pru_bind msg;
 116         lwkt_port_t port;
 117
 118         if (!so->so_proto->pr_mport)
 119                 return ((*so->so_proto->pr_usrreqs->pru_bind)(so, nam, td));
 120
 121         /* Send mesg to thread for new address. */
 122         port = so->so_proto->pr_mport(NULL, nam);
 123         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_BIND);
 124         msg.nm_handler = netmsg_pru_dispatcher;
 125         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_bind;
 126         msg.nm_so = so;
 127         msg.nm_nam = nam;
 128         msg.nm_td = td;         /* used only for prison_ip() XXX JH */
 129         error = lwkt_domsg(port, &msg.nm_lmsg);
 130         return (error);
 131 }
 132
 133 int
 134 so_pru_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
 135 {
 136         int error;
 137         struct netmsg_pru_connect msg;
 138         lwkt_port_t port;
 139
 140         if (!so->so_proto->pr_mport)
 141                 return ((*so->so_proto->pr_usrreqs->pru_connect)(so, nam, td));
 142
 143         port = so->so_proto->pr_mport(so, NULL);
 144         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_CONNECT);
 145         msg.nm_handler = netmsg_pru_dispatcher;
 146         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_connect;
 147         msg.nm_so = so;
 148         msg.nm_nam = nam;
 149         msg.nm_td = td;
 150         error = lwkt_domsg(port, &msg.nm_lmsg);
 151         return (error);
 152 }
 153
 154 int
 155 so_pru_connect2(struct socket *so1, struct socket *so2)
 156 {
 157         int error;
 158         struct netmsg_pru_connect2 msg;
 159         lwkt_port_t port;
 160
 161         if (!so1->so_proto->pr_mport)
 162                 return ((*so1->so_proto->pr_usrreqs->pru_connect2)(so1, so2));
 163
 164         /*
 165          * Actually, connect2() is only called for Unix domain sockets
 166          * and we currently short-circuit that above, so the following
 167          * code is never reached.
 168          */
 169         panic("connect2 on socket type %d", so1->so_type);
 170         port = so1->so_proto->pr_mport(so1, NULL);
 171         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_CONNECT2);
 172         msg.nm_handler = netmsg_pru_dispatcher;
 173         msg.nm_prufn = so1->so_proto->pr_usrreqs->pru_connect2;
 174         msg.nm_so1 = so1;
 175         msg.nm_so2 = so2;
 176         error = lwkt_domsg(port, &msg.nm_lmsg);
 177         return (error);
 178 }
 179
 180 int
 181 so_pru_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
 182     struct thread *td)
 183 {
 184         int error;
 185         struct netmsg_pru_control msg;
 186         lwkt_port_t port;
 187
 188         if (!so->so_proto->pr_mport)
 189                 return ((*so->so_proto->pr_usrreqs->pru_control)(so, cmd, data,
 190                     ifp, td));
 191
 192         port = so->so_proto->pr_mport(so, NULL);
 193         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_CONTROL);
 194         msg.nm_handler = netmsg_pru_dispatcher;
 195         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_control;
 196         msg.nm_so = so;
 197         msg.nm_cmd = cmd;
 198         msg.nm_data = data;
 199         msg.nm_ifp = ifp;
 200         msg.nm_td = td;
 201         error = lwkt_domsg(port, &msg.nm_lmsg);
 202         return (error);
 203 }
 204
 205 int
 206 so_pru_detach(struct socket *so)
 207 {
 208         int error;
 209         struct netmsg_pru_detach msg;
 210         lwkt_port_t port;
 211
 212         if (!so->so_proto->pr_mport)
 213                 return ((*so->so_proto->pr_usrreqs->pru_detach)(so));
 214
 215         port = so->so_proto->pr_mport(so, NULL);
 216         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_DETACH);
 217         msg.nm_handler = netmsg_pru_dispatcher;
 218         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_detach;
 219         msg.nm_so = so;
 220         error = lwkt_domsg(port, &msg.nm_lmsg);
 221         return (error);
 222 }
 223
 224 int
 225 so_pru_disconnect(struct socket *so)
 226 {
 227         int error;
 228         struct netmsg_pru_disconnect msg;
 229         lwkt_port_t port;
 230
 231         if (!so->so_proto->pr_mport)
 232                 return ((*so->so_proto->pr_usrreqs->pru_disconnect)(so));
 233
 234         port = so->so_proto->pr_mport(so, NULL);
 235         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_DISCONNECT);
 236         msg.nm_handler = netmsg_pru_dispatcher;
 237         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_disconnect;
 238         msg.nm_so = so;
 239         error = lwkt_domsg(port, &msg.nm_lmsg);
 240         return (error);
 241 }
 242
 243 int
 244 so_pru_listen(struct socket *so, struct thread *td)
 245 {
 246         int error;
 247         struct netmsg_pru_listen msg;
 248         lwkt_port_t port;
 249
 250         if (!so->so_proto->pr_mport)
 251                 return ((*so->so_proto->pr_usrreqs->pru_listen)(so, td));
 252
 253         port = so->so_proto->pr_mport(so, NULL);
 254         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_LISTEN);
 255         msg.nm_handler = netmsg_pru_dispatcher;
 256         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_listen;
 257         msg.nm_so = so;
 258         msg.nm_td = td;         /* used only for prison_ip() XXX JH */
 259         error = lwkt_domsg(port, &msg.nm_lmsg);
 260         return (error);
 261 }
 262
 263 int
 264 so_pru_peeraddr(struct socket *so, struct sockaddr **nam)
 265 {
 266         int error;
 267         struct netmsg_pru_peeraddr msg;
 268         lwkt_port_t port;
 269
 270         if (!so->so_proto->pr_mport)
 271                 return ((*so->so_proto->pr_usrreqs->pru_peeraddr)(so, nam));
 272
 273         port = so->so_proto->pr_mport(so, NULL);
 274         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_PEERADDR);
 275         msg.nm_handler = netmsg_pru_dispatcher;
 276         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_peeraddr;
 277         msg.nm_so = so;
 278         msg.nm_nam = nam;
 279         error = lwkt_domsg(port, &msg.nm_lmsg);
 280         return (error);
 281 }
 282
 283 int
 284 so_pru_rcvd(struct socket *so, int flags)
 285 {
 286         int error;
 287         struct netmsg_pru_rcvd msg;
 288         lwkt_port_t port;
 289
 290         if (!so->so_proto->pr_mport)
 291                 return ((*so->so_proto->pr_usrreqs->pru_rcvd)(so, flags));
 292
 293         port = so->so_proto->pr_mport(so, NULL);
 294         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_RCVD);
 295         msg.nm_handler = netmsg_pru_dispatcher;
 296         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_rcvd;
 297         msg.nm_so = so;
 298         msg.nm_flags = flags;
 299         error = lwkt_domsg(port, &msg.nm_lmsg);
 300         return (error);
 301 }
 302
 303 int
 304 so_pru_rcvoob(struct socket *so, struct mbuf *m, int flags)
 305 {
 306         int error;
 307         struct netmsg_pru_rcvoob msg;
 308         lwkt_port_t port;
 309
 310         if (!so->so_proto->pr_mport)
 311                 return ((*so->so_proto->pr_usrreqs->pru_rcvoob)(so, m, flags));
 312
 313         port = so->so_proto->pr_mport(so, NULL);
 314         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_RCVOOB);
 315         msg.nm_handler = netmsg_pru_dispatcher;
 316         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_rcvoob;
 317         msg.nm_so = so;
 318         msg.nm_m = m;
 319         msg.nm_flags = flags;
 320         error = lwkt_domsg(port, &msg.nm_lmsg);
 321         return (error);
 322 }
 323
 324 int
 325 so_pru_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
 326     struct mbuf *control, struct thread *td)
 327 {
 328         int error;
 329         struct netmsg_pru_send msg;
 330         lwkt_port_t port;
 331
 332         if (!so->so_proto->pr_mport)
 333                 return ((*so->so_proto->pr_usrreqs->pru_send)(so, flags, m,
 334                     addr, control, td));
 335
 336         port = so->so_proto->pr_mport(so, NULL);
 337         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_SEND);
 338         msg.nm_handler = netmsg_pru_dispatcher;
 339         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_send;
 340         msg.nm_so = so;
 341         msg.nm_flags = flags;
 342         msg.nm_m = m;
 343         msg.nm_addr = addr;
 344         msg.nm_control = control;
 345         msg.nm_td = td;
 346         error = lwkt_domsg(port, &msg.nm_lmsg);
 347         return (error);
 348 }
 349
 350 int
 351 so_pru_sense(struct socket *so, struct stat *sb)
 352 {
 353         int error;
 354         struct netmsg_pru_sense msg;
 355         lwkt_port_t port;
 356
 357         if (!so->so_proto->pr_mport)
 358                 return ((*so->so_proto->pr_usrreqs->pru_sense)(so, sb));
 359
 360         port = so->so_proto->pr_mport(so, NULL);
 361         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_SENSE);
 362         msg.nm_handler = netmsg_pru_dispatcher;
 363         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sense;
 364         msg.nm_so = so;
 365         msg.nm_stat = sb;
 366         error = lwkt_domsg(port, &msg.nm_lmsg);
 367         return (error);
 368 }
 369
 370 int
 371 so_pru_shutdown(struct socket *so)
 372 {
 373         int error;
 374         struct netmsg_pru_shutdown msg;
 375         lwkt_port_t port;
 376
 377         if (!so->so_proto->pr_mport)
 378                 return ((*so->so_proto->pr_usrreqs->pru_shutdown)(so));
 379
 380         port = so->so_proto->pr_mport(so, NULL);
 381         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_SHUTDOWN);
 382         msg.nm_handler = netmsg_pru_dispatcher;
 383         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_shutdown;
 384         msg.nm_so = so;
 385         error = lwkt_domsg(port, &msg.nm_lmsg);
 386         return (error);
 387 }
 388
 389 int
 390 so_pru_sockaddr(struct socket *so, struct sockaddr **nam)
 391 {
 392         int error;
 393         struct netmsg_pru_sockaddr msg;
 394         lwkt_port_t port;
 395
 396         if (!so->so_proto->pr_mport)
 397                 return ((*so->so_proto->pr_usrreqs->pru_sockaddr)(so, nam));
 398
 399         port = so->so_proto->pr_mport(so, NULL);
 400         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_SOCKADDR);
 401         msg.nm_handler = netmsg_pru_dispatcher;
 402         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sockaddr;
 403         msg.nm_so = so;
 404         msg.nm_nam = nam;
 405         error = lwkt_domsg(port, &msg.nm_lmsg);
 406         return (error);
 407 }
 408
 409 int
 410 so_pru_sopoll(struct socket *so, int events, struct ucred *cred,
 411     struct thread *td)
 412 {
 413         int error;
 414         struct netmsg_pru_sopoll msg;
 415         lwkt_port_t port;
 416
 417         if (!so->so_proto->pr_mport)
 418                 return ((*so->so_proto->pr_usrreqs->pru_sopoll)(so, events,
 419                     cred, td));
 420
 421         port = so->so_proto->pr_mport(so, NULL);
 422         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PRU_SOPOLL);
 423         msg.nm_handler = netmsg_pru_dispatcher;
 424         msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sopoll;
 425         msg.nm_so = so;
 426         msg.nm_events = events;
 427         msg.nm_cred = cred;
 428         msg.nm_td = td;
 429         error = lwkt_domsg(port, &msg.nm_lmsg);
 430         return (error);
 431 }
 432
 433 int
 434 so_pr_ctloutput(struct socket *so, struct sockopt *sopt)
 435 {
 436         return ((*so->so_proto->pr_ctloutput)(so, sopt));
 437 #ifdef gag      /* does copyin and copyout deep inside stack XXX JH */
 438         struct netmsg_pr_ctloutput msg;
 439         lwkt_port_t port;
 440         int error;
 441
 442         if (!so->so_proto->pr_mport)
 443                 return ((*so->so_proto->pr_ctloutput)(so, sopt));
 444
 445         port = so->so_proto->pr_mport(so, NULL);
 446         lwkt_initmsg(&msg.nm_lmsg, CMD_NETMSG_PR_CTLOUTPUT);
 447         msg.nm_handler = netmsg_pr_dispatcher;
 448         msg.nm_prfn = so->so_proto->pr_ctloutput;
 449         msg.nm_so = so;
 450         msg.nm_sopt = sopt;
 451         error = lwkt_domsg(port, &msg.nm_lmsg);
 452         return (error);
 453 #endif
 454 }
 455
 456 /*
 457  * If we convert all the pru_usrreq functions for all the protocols
 458  * to take a message directly, this layer can go away.
 459  */
 460 static int
 461 netmsg_pru_dispatcher(struct netmsg *msg)
 462 {
 463         int error;
 464
 465         switch (msg->nm_lmsg.ms_cmd) {
 466         case CMD_NETMSG_PRU_ABORT:
 467         {
 468                 struct netmsg_pru_abort *nm = (struct netmsg_pru_abort *)msg;
 469
 470                 error = nm->nm_prufn(nm->nm_so);
 471                 break;
 472         }
 473         case CMD_NETMSG_PRU_ACCEPT:
 474         {
 475                 struct netmsg_pru_accept *nm = (struct netmsg_pru_accept *)msg;
 476
 477                 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
 478                 break;
 479         }
 480         case CMD_NETMSG_PRU_ATTACH:
 481         {
 482                 struct netmsg_pru_attach *nm = (struct netmsg_pru_attach *)msg;
 483
 484                 error = nm->nm_prufn(nm->nm_so, nm->nm_proto, nm->nm_ai);
 485                 break;
 486         }
 487         case CMD_NETMSG_PRU_BIND:
 488         {
 489                 struct netmsg_pru_bind *nm = (struct netmsg_pru_bind *)msg;
 490
 491                 error = nm->nm_prufn(nm->nm_so, nm->nm_nam, nm->nm_td);
 492                 break;
 493         }
 494         case CMD_NETMSG_PRU_CONNECT:
 495         {
 496                 struct netmsg_pru_connect *nm =
 497                     (struct netmsg_pru_connect *)msg;
 498
 499                 error = nm->nm_prufn(nm->nm_so, nm->nm_nam, nm->nm_td);
 500                 break;
 501         }
 502         case CMD_NETMSG_PRU_CONNECT2:
 503         {
 504                 struct netmsg_pru_connect2 *nm =
 505                     (struct netmsg_pru_connect2 *)msg;
 506
 507                 error = nm->nm_prufn(nm->nm_so1, nm->nm_so2);
 508                 break;
 509         }
 510         case CMD_NETMSG_PRU_CONTROL:
 511         {
 512                 struct netmsg_pru_control *nm =
 513                     (struct netmsg_pru_control *)msg;
 514
 515                 error = nm->nm_prufn(nm->nm_so, nm->nm_cmd, nm->nm_data,
 516                     nm->nm_ifp, nm->nm_td);
 517                 break;
 518         }
 519         case CMD_NETMSG_PRU_DETACH:
 520         {
 521                 struct netmsg_pru_detach *nm = (struct netmsg_pru_detach *)msg;
 522
 523                 error = nm->nm_prufn(nm->nm_so);
 524                 break;
 525         }
 526         case CMD_NETMSG_PRU_DISCONNECT:
 527         {
 528                 struct netmsg_pru_disconnect *nm =
 529                     (struct netmsg_pru_disconnect *)msg;
 530
 531                 error = nm->nm_prufn(nm->nm_so);
 532                 break;
 533         }
 534         case CMD_NETMSG_PRU_LISTEN:
 535         {
 536                 struct netmsg_pru_listen *nm = (struct netmsg_pru_listen *)msg;
 537
 538                 error = nm->nm_prufn(nm->nm_so, nm->nm_td);
 539                 break;
 540         }
 541         case CMD_NETMSG_PRU_PEERADDR:
 542         {
 543                 struct netmsg_pru_peeraddr *nm =
 544                     (struct netmsg_pru_peeraddr *)msg;
 545
 546                 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
 547                 break;
 548         }
 549         case CMD_NETMSG_PRU_RCVD:
 550         {
 551                 struct netmsg_pru_rcvd *nm = (struct netmsg_pru_rcvd *)msg;
 552
 553                 error = nm->nm_prufn(nm->nm_so, nm->nm_flags);
 554                 break;
 555         }
 556         case CMD_NETMSG_PRU_RCVOOB:
 557         {
 558                 struct netmsg_pru_rcvoob *nm = (struct netmsg_pru_rcvoob *)msg;
 559
 560                 error = nm->nm_prufn(nm->nm_so, nm->nm_m, nm->nm_flags);
 561                 break;
 562         }
 563         case CMD_NETMSG_PRU_SEND:
 564         {
 565                 struct netmsg_pru_send *nm = (struct netmsg_pru_send *)msg;
 566
 567                 error = nm->nm_prufn(nm->nm_so, nm->nm_flags, nm->nm_m,
 568                     nm->nm_addr, nm->nm_control, nm->nm_td);
 569                 break;
 570         }
 571         case CMD_NETMSG_PRU_SENSE:
 572         {
 573                 struct netmsg_pru_sense *nm = (struct netmsg_pru_sense *)msg;
 574
 575                 error = nm->nm_prufn(nm->nm_so, nm->nm_stat);
 576                 break;
 577         }
 578         case CMD_NETMSG_PRU_SHUTDOWN:
 579         {
 580                 struct netmsg_pru_shutdown *nm =
 581                     (struct netmsg_pru_shutdown *)msg;
 582
 583                 error = nm->nm_prufn(nm->nm_so);
 584                 break;
 585         }
 586         case CMD_NETMSG_PRU_SOCKADDR:
 587         {
 588                 struct netmsg_pru_sockaddr *nm =
 589                     (struct netmsg_pru_sockaddr *)msg;
 590
 591                 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
 592                 break;
 593         }
 594         case CMD_NETMSG_PRU_SOPOLL:
 595         {
 596                 struct netmsg_pru_sopoll *nm =
 597                     (struct netmsg_pru_sopoll *)msg;
 598
 599                 error = nm->nm_prufn(nm->nm_so, nm->nm_events, nm->nm_cred,
 600                     nm->nm_td);
 601                 break;
 602         }
 603         default:
 604                 panic("unknown netmsg %d", msg->nm_lmsg.ms_cmd);
 605                 break;
 606         }
 607         return(error);
 608 }
 609
 610 /*
 611  * If we convert all the protosw pr_ functions for all the protocols
 612  * to take a message directly, this layer can go away.
 613  */
 614 int
 615 netmsg_pr_dispatcher(struct netmsg *msg)
 616 {
 617         int error = 0;
 618
 619         switch (msg->nm_lmsg.ms_cmd) {
 620         case CMD_NETMSG_PR_CTLOUTPUT:
 621         {
 622                 struct netmsg_pr_ctloutput *nm =
 623                     (struct netmsg_pr_ctloutput *)msg;
 624
 625                 error = nm->nm_prfn(nm->nm_so, nm->nm_sopt);
 626                 break;
 627         }
 628         case CMD_NETMSG_PR_TIMEOUT:
 629         {
 630                 struct netmsg_pr_timeout *nm = (struct netmsg_pr_timeout *)msg;
 631
 632                 nm->nm_prfn();
 633                 break;
 634         }
 635         default:
 636                 panic("unknown netmsg %d", msg->nm_lmsg.ms_cmd);
 637                 break;
 638         }
 639         return(error);
 640 }
 641
 642 #endif