2 * ppp_mod.c - modload support for PPP pseudo-device driver.
4 * Copyright (c) 1994 Paul Mackerras. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
18 * 3. The name(s) of the authors of this software must not be used to
19 * endorse or promote products derived from this software without
20 * prior written permission.
22 * 4. Redistributions of any form whatsoever must retain the following
24 * "This product includes software developed by Paul Mackerras
25 * <paulus@samba.org>".
27 * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
28 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
29 * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
30 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
31 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
32 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
33 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
35 * $Id: ppp_mod.c,v 1.3 2004/01/17 05:47:55 carlsonj Exp $
39 * This file is used under Solaris 2.
42 #include <sys/types.h>
43 #include <sys/param.h>
46 #include <sys/modctl.h>
47 #include <sys/sunddi.h>
48 #include <sys/ksynch.h>
50 static int ppp_identify(dev_info_t *);
51 static int ppp_attach(dev_info_t *, ddi_attach_cmd_t);
52 static int ppp_detach(dev_info_t *, ddi_detach_cmd_t);
53 static int ppp_devinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
55 extern struct streamtab pppinfo;
56 extern krwlock_t ppp_lower_lock;
58 static dev_info_t *ppp_dip;
60 static struct cb_ops cb_ppp_ops = {
61 nulldev, nulldev, nodev, nodev, /* cb_open, ... */
62 nodev, nodev, nodev, nodev, /* cb_dump, ... */
63 nodev, nodev, nodev, nochpoll, /* cb_devmap, ... */
64 ddi_prop_op, /* cb_prop_op */
65 &pppinfo, /* cb_stream */
66 D_NEW|D_MP|D_MTQPAIR|D_MTOUTPERIM|D_MTOCEXCL /* cb_flag */
69 static struct dev_ops ppp_ops = {
70 DEVO_REV, /* devo_rev */
72 ppp_devinfo, /* devo_getinfo */
73 ppp_identify, /* devo_identify */
74 nulldev, /* devo_probe */
75 ppp_attach, /* devo_attach */
76 ppp_detach, /* devo_detach */
77 nodev, /* devo_reset */
78 &cb_ppp_ops, /* devo_cb_ops */
79 NULL /* devo_bus_ops */
83 * Module linkage information
86 static struct modldrv modldrv = {
87 &mod_driverops, /* says this is a pseudo driver */
88 "PPP-2.4.7 multiplexing driver",
89 &ppp_ops /* driver ops */
92 static struct modlinkage modlinkage = {
101 return mod_install(&modlinkage);
107 return mod_remove(&modlinkage);
114 return mod_info(&modlinkage, mip);
121 /* This entry point is not used as of Solaris 10 */
122 #ifdef DDI_IDENTIFIED
123 return strcmp(ddi_get_name(dip), "ppp") == 0? DDI_IDENTIFIED:
133 ddi_attach_cmd_t cmd;
136 if (cmd != DDI_ATTACH)
138 if (ddi_create_minor_node(dip, "ppp", S_IFCHR, 0, DDI_PSEUDO, CLONE_DEV)
140 ddi_remove_minor_node(dip, NULL);
143 rw_init(&ppp_lower_lock, NULL, RW_DRIVER, NULL);
150 ddi_detach_cmd_t cmd;
152 rw_destroy(&ppp_lower_lock);
153 ddi_remove_minor_node(dip, NULL);
158 ppp_devinfo(dip, cmd, arg, result)
168 case DDI_INFO_DEVT2DEVINFO:
172 *result = (void *) ppp_dip;
174 case DDI_INFO_DEVT2INSTANCE: