2 * Copyright (c) 2003, 2004 Jeffrey Hsu.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
30 * $DragonFly: src/sys/kern/uipc_msg.c,v 1.1 2004/03/06 01:59:52 hsu Exp $
33 #if defined(SMP) || defined(ALWAYS_MSG)
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>
45 #include <net/netisr.h>
46 #include <net/netmsg.h>
48 static void netmsg_pru_dispatcher(struct netmsg *msg);
51 so_pru_abort(struct socket *so)
54 struct netmsg_pru_abort msg;
57 if (!so->so_proto->pr_mport)
58 return ((*so->so_proto->pr_usrreqs->pru_abort)(so));
60 port = so->so_proto->pr_mport(so, NULL);
61 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_ABORT);
62 msg.nm_handler = netmsg_pru_dispatcher;
63 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_abort;
65 error = lwkt_domsg(port, &msg.nm_lmsg);
70 so_pru_accept(struct socket *so, struct sockaddr **nam)
73 struct netmsg_pru_accept msg;
76 if (!so->so_proto->pr_mport)
77 return ((*so->so_proto->pr_usrreqs->pru_accept)(so, nam));
79 port = so->so_proto->pr_mport(so, NULL);
80 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_ACCEPT);
81 msg.nm_handler = netmsg_pru_dispatcher;
82 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_accept;
85 error = lwkt_domsg(port, &msg.nm_lmsg);
90 so_pru_attach(struct socket *so, int proto, struct pru_attach_info *ai)
93 struct netmsg_pru_attach msg;
96 if (!so->so_proto->pr_mport)
97 return ((*so->so_proto->pr_usrreqs->pru_attach)(so, proto, ai));
99 port = so->so_proto->pr_mport(NULL, NULL);
101 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_ATTACH);
102 msg.nm_handler = netmsg_pru_dispatcher;
103 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_attach;
105 msg.nm_proto = proto;
107 error = lwkt_domsg(port, &msg.nm_lmsg);
112 so_pru_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
115 struct netmsg_pru_bind msg;
118 if (!so->so_proto->pr_mport)
119 return ((*so->so_proto->pr_usrreqs->pru_bind)(so, nam, td));
121 /* Send mesg to thread for new address. */
122 port = so->so_proto->pr_mport(NULL, nam);
123 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_BIND);
124 msg.nm_handler = netmsg_pru_dispatcher;
125 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_bind;
128 msg.nm_td = td; /* used only for prison_ip() XXX JH */
129 error = lwkt_domsg(port, &msg.nm_lmsg);
134 so_pru_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
137 struct netmsg_pru_connect msg;
140 if (!so->so_proto->pr_mport)
141 return ((*so->so_proto->pr_usrreqs->pru_connect)(so, nam, td));
143 port = so->so_proto->pr_mport(so, NULL);
144 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_CONNECT);
145 msg.nm_handler = netmsg_pru_dispatcher;
146 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_connect;
150 error = lwkt_domsg(port, &msg.nm_lmsg);
155 so_pru_connect2(struct socket *so1, struct socket *so2)
158 struct netmsg_pru_connect2 msg;
161 if (!so1->so_proto->pr_mport)
162 return ((*so1->so_proto->pr_usrreqs->pru_connect2)(so1, so2));
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.
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, port, CMD_NETMSG_PRU_CONNECT2);
172 msg.nm_handler = netmsg_pru_dispatcher;
173 msg.nm_prufn = so1->so_proto->pr_usrreqs->pru_connect2;
176 error = lwkt_domsg(port, &msg.nm_lmsg);
181 so_pru_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
185 struct netmsg_pru_control msg;
188 if (!so->so_proto->pr_mport)
189 return ((*so->so_proto->pr_usrreqs->pru_control)(so, cmd, data,
192 port = so->so_proto->pr_mport(so, NULL);
193 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_CONTROL);
194 msg.nm_handler = netmsg_pru_dispatcher;
195 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_control;
201 error = lwkt_domsg(port, &msg.nm_lmsg);
206 so_pru_detach(struct socket *so)
209 struct netmsg_pru_detach msg;
212 if (!so->so_proto->pr_mport)
213 return ((*so->so_proto->pr_usrreqs->pru_detach)(so));
215 port = so->so_proto->pr_mport(so, NULL);
216 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_DETACH);
217 msg.nm_handler = netmsg_pru_dispatcher;
218 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_detach;
220 error = lwkt_domsg(port, &msg.nm_lmsg);
225 so_pru_disconnect(struct socket *so)
228 struct netmsg_pru_disconnect msg;
231 if (!so->so_proto->pr_mport)
232 return ((*so->so_proto->pr_usrreqs->pru_disconnect)(so));
234 port = so->so_proto->pr_mport(so, NULL);
235 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_DISCONNECT);
236 msg.nm_handler = netmsg_pru_dispatcher;
237 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_disconnect;
239 error = lwkt_domsg(port, &msg.nm_lmsg);
244 so_pru_listen(struct socket *so, struct thread *td)
247 struct netmsg_pru_listen msg;
250 if (!so->so_proto->pr_mport)
251 return ((*so->so_proto->pr_usrreqs->pru_listen)(so, td));
253 port = so->so_proto->pr_mport(so, NULL);
254 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_LISTEN);
255 msg.nm_handler = netmsg_pru_dispatcher;
256 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_listen;
258 msg.nm_td = td; /* used only for prison_ip() XXX JH */
259 error = lwkt_domsg(port, &msg.nm_lmsg);
264 so_pru_peeraddr(struct socket *so, struct sockaddr **nam)
267 struct netmsg_pru_peeraddr msg;
270 if (!so->so_proto->pr_mport)
271 return ((*so->so_proto->pr_usrreqs->pru_peeraddr)(so, nam));
273 port = so->so_proto->pr_mport(so, NULL);
274 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_PEERADDR);
275 msg.nm_handler = netmsg_pru_dispatcher;
276 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_peeraddr;
279 error = lwkt_domsg(port, &msg.nm_lmsg);
284 so_pru_rcvd(struct socket *so, int flags)
287 struct netmsg_pru_rcvd msg;
290 if (!so->so_proto->pr_mport)
291 return ((*so->so_proto->pr_usrreqs->pru_rcvd)(so, flags));
293 port = so->so_proto->pr_mport(so, NULL);
294 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_RCVD);
295 msg.nm_handler = netmsg_pru_dispatcher;
296 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_rcvd;
298 msg.nm_flags = flags;
299 error = lwkt_domsg(port, &msg.nm_lmsg);
304 so_pru_rcvoob(struct socket *so, struct mbuf *m, int flags)
307 struct netmsg_pru_rcvoob msg;
310 if (!so->so_proto->pr_mport)
311 return ((*so->so_proto->pr_usrreqs->pru_rcvoob)(so, m, flags));
313 port = so->so_proto->pr_mport(so, NULL);
314 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_RCVOOB);
315 msg.nm_handler = netmsg_pru_dispatcher;
316 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_rcvoob;
319 msg.nm_flags = flags;
320 error = lwkt_domsg(port, &msg.nm_lmsg);
325 so_pru_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
326 struct mbuf *control, struct thread *td)
329 struct netmsg_pru_send msg;
332 if (!so->so_proto->pr_mport)
333 return ((*so->so_proto->pr_usrreqs->pru_send)(so, flags, m,
336 port = so->so_proto->pr_mport(so, NULL);
337 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_SEND);
338 msg.nm_handler = netmsg_pru_dispatcher;
339 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_send;
341 msg.nm_flags = flags;
344 msg.nm_control = control;
346 error = lwkt_domsg(port, &msg.nm_lmsg);
351 so_pru_sense(struct socket *so, struct stat *sb)
354 struct netmsg_pru_sense msg;
357 if (!so->so_proto->pr_mport)
358 return ((*so->so_proto->pr_usrreqs->pru_sense)(so, sb));
360 port = so->so_proto->pr_mport(so, NULL);
361 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_SENSE);
362 msg.nm_handler = netmsg_pru_dispatcher;
363 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sense;
366 error = lwkt_domsg(port, &msg.nm_lmsg);
371 so_pru_shutdown(struct socket *so)
374 struct netmsg_pru_shutdown msg;
377 if (!so->so_proto->pr_mport)
378 return ((*so->so_proto->pr_usrreqs->pru_shutdown)(so));
380 port = so->so_proto->pr_mport(so, NULL);
381 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_SHUTDOWN);
382 msg.nm_handler = netmsg_pru_dispatcher;
383 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_shutdown;
385 error = lwkt_domsg(port, &msg.nm_lmsg);
390 so_pru_sockaddr(struct socket *so, struct sockaddr **nam)
393 struct netmsg_pru_sockaddr msg;
396 if (!so->so_proto->pr_mport)
397 return ((*so->so_proto->pr_usrreqs->pru_sockaddr)(so, nam));
399 port = so->so_proto->pr_mport(so, NULL);
400 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_SOCKADDR);
401 msg.nm_handler = netmsg_pru_dispatcher;
402 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sockaddr;
405 error = lwkt_domsg(port, &msg.nm_lmsg);
410 so_pru_sopoll(struct socket *so, int events, struct ucred *cred,
414 struct netmsg_pru_sopoll msg;
417 if (!so->so_proto->pr_mport)
418 return ((*so->so_proto->pr_usrreqs->pru_sopoll)(so, events,
421 port = so->so_proto->pr_mport(so, NULL);
422 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PRU_SOPOLL);
423 msg.nm_handler = netmsg_pru_dispatcher;
424 msg.nm_prufn = so->so_proto->pr_usrreqs->pru_sopoll;
426 msg.nm_events = events;
429 error = lwkt_domsg(port, &msg.nm_lmsg);
434 so_pr_ctloutput(struct socket *so, struct sockopt *sopt)
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;
442 if (!so->so_proto->pr_mport)
443 return ((*so->so_proto->pr_ctloutput)(so, sopt));
445 port = so->so_proto->pr_mport(so, NULL);
446 lwkt_initmsg(&msg.nm_lmsg, port, CMD_NETMSG_PR_CTLOUTPUT);
447 msg.nm_handler = netmsg_pr_dispatcher;
448 msg.nm_prfn = so->so_proto->pr_ctloutput;
451 error = lwkt_domsg(port, &msg.nm_lmsg);
457 * If we convert all the pru_usrreq functions for all the protocols
458 * to take a message directly, this layer can go away.
461 netmsg_pru_dispatcher(struct netmsg *msg)
465 switch (msg->nm_lmsg.ms_cmd) {
466 case CMD_NETMSG_PRU_ABORT:
468 struct netmsg_pru_abort *nm = (struct netmsg_pru_abort *)msg;
470 error = nm->nm_prufn(nm->nm_so);
471 lwkt_replymsg(&msg->nm_lmsg, error);
474 case CMD_NETMSG_PRU_ACCEPT:
476 struct netmsg_pru_accept *nm = (struct netmsg_pru_accept *)msg;
478 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
479 lwkt_replymsg(&msg->nm_lmsg, error);
482 case CMD_NETMSG_PRU_ATTACH:
484 struct netmsg_pru_attach *nm = (struct netmsg_pru_attach *)msg;
486 error = nm->nm_prufn(nm->nm_so, nm->nm_proto, nm->nm_ai);
487 lwkt_replymsg(&msg->nm_lmsg, error);
490 case CMD_NETMSG_PRU_BIND:
492 struct netmsg_pru_bind *nm = (struct netmsg_pru_bind *)msg;
494 error = nm->nm_prufn(nm->nm_so, nm->nm_nam, nm->nm_td);
495 lwkt_replymsg(&msg->nm_lmsg, error);
498 case CMD_NETMSG_PRU_CONNECT:
500 struct netmsg_pru_connect *nm =
501 (struct netmsg_pru_connect *)msg;
503 error = nm->nm_prufn(nm->nm_so, nm->nm_nam, nm->nm_td);
504 lwkt_replymsg(&msg->nm_lmsg, error);
507 case CMD_NETMSG_PRU_CONNECT2:
509 struct netmsg_pru_connect2 *nm =
510 (struct netmsg_pru_connect2 *)msg;
512 error = nm->nm_prufn(nm->nm_so1, nm->nm_so2);
513 lwkt_replymsg(&msg->nm_lmsg, error);
516 case CMD_NETMSG_PRU_CONTROL:
518 struct netmsg_pru_control *nm =
519 (struct netmsg_pru_control *)msg;
521 error = nm->nm_prufn(nm->nm_so, nm->nm_cmd, nm->nm_data,
522 nm->nm_ifp, nm->nm_td);
523 lwkt_replymsg(&msg->nm_lmsg, error);
526 case CMD_NETMSG_PRU_DETACH:
528 struct netmsg_pru_detach *nm = (struct netmsg_pru_detach *)msg;
530 error = nm->nm_prufn(nm->nm_so);
531 lwkt_replymsg(&msg->nm_lmsg, error);
534 case CMD_NETMSG_PRU_DISCONNECT:
536 struct netmsg_pru_disconnect *nm =
537 (struct netmsg_pru_disconnect *)msg;
539 error = nm->nm_prufn(nm->nm_so);
540 lwkt_replymsg(&msg->nm_lmsg, error);
543 case CMD_NETMSG_PRU_LISTEN:
545 struct netmsg_pru_listen *nm = (struct netmsg_pru_listen *)msg;
547 error = nm->nm_prufn(nm->nm_so, nm->nm_td);
548 lwkt_replymsg(&msg->nm_lmsg, error);
551 case CMD_NETMSG_PRU_PEERADDR:
553 struct netmsg_pru_peeraddr *nm =
554 (struct netmsg_pru_peeraddr *)msg;
556 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
557 lwkt_replymsg(&msg->nm_lmsg, error);
560 case CMD_NETMSG_PRU_RCVD:
562 struct netmsg_pru_rcvd *nm = (struct netmsg_pru_rcvd *)msg;
564 error = nm->nm_prufn(nm->nm_so, nm->nm_flags);
565 lwkt_replymsg(&msg->nm_lmsg, error);
568 case CMD_NETMSG_PRU_RCVOOB:
570 struct netmsg_pru_rcvoob *nm = (struct netmsg_pru_rcvoob *)msg;
572 error = nm->nm_prufn(nm->nm_so, nm->nm_m, nm->nm_flags);
573 lwkt_replymsg(&msg->nm_lmsg, error);
576 case CMD_NETMSG_PRU_SEND:
578 struct netmsg_pru_send *nm = (struct netmsg_pru_send *)msg;
580 error = nm->nm_prufn(nm->nm_so, nm->nm_flags, nm->nm_m,
581 nm->nm_addr, nm->nm_control, nm->nm_td);
582 lwkt_replymsg(&msg->nm_lmsg, error);
585 case CMD_NETMSG_PRU_SENSE:
587 struct netmsg_pru_sense *nm = (struct netmsg_pru_sense *)msg;
589 error = nm->nm_prufn(nm->nm_so, nm->nm_stat);
590 lwkt_replymsg(&msg->nm_lmsg, error);
593 case CMD_NETMSG_PRU_SHUTDOWN:
595 struct netmsg_pru_shutdown *nm =
596 (struct netmsg_pru_shutdown *)msg;
598 error = nm->nm_prufn(nm->nm_so);
599 lwkt_replymsg(&msg->nm_lmsg, error);
602 case CMD_NETMSG_PRU_SOCKADDR:
604 struct netmsg_pru_sockaddr *nm =
605 (struct netmsg_pru_sockaddr *)msg;
607 error = nm->nm_prufn(nm->nm_so, nm->nm_nam);
608 lwkt_replymsg(&msg->nm_lmsg, error);
611 case CMD_NETMSG_PRU_SOPOLL:
613 struct netmsg_pru_sopoll *nm =
614 (struct netmsg_pru_sopoll *)msg;
616 error = nm->nm_prufn(nm->nm_so, nm->nm_events, nm->nm_cred,
618 lwkt_replymsg(&msg->nm_lmsg, error);
622 panic("unknown netmsg %d", msg->nm_lmsg.ms_cmd);
628 * If we convert all the protosw pr_ functions for all the protocols
629 * to take a message directly, this layer can go away.
632 netmsg_pr_dispatcher(struct netmsg *msg)
634 switch (msg->nm_lmsg.ms_cmd) {
635 case CMD_NETMSG_PR_CTLOUTPUT:
637 struct netmsg_pr_ctloutput *nm =
638 (struct netmsg_pr_ctloutput *)msg;
641 error = nm->nm_prfn(nm->nm_so, nm->nm_sopt);
642 lwkt_replymsg(&msg->nm_lmsg, error);
645 case CMD_NETMSG_PR_TIMEOUT:
647 struct netmsg_pr_timeout *nm = (struct netmsg_pr_timeout *)msg;
653 panic("unknown netmsg %d", msg->nm_lmsg.ms_cmd);