if_module.h revision 1.1.4.2 1 1.1.4.2 skrll /* $NetBSD: if_module.h,v 1.1.4.2 2016/10/05 20:56:08 skrll Exp $ */
2 1.1.4.2 skrll
3 1.1.4.2 skrll /*-
4 1.1.4.2 skrll * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 1.1.4.2 skrll * All rights reserved.
6 1.1.4.2 skrll *
7 1.1.4.2 skrll * Redistribution and use in source and binary forms, with or without
8 1.1.4.2 skrll * modification, are permitted provided that the following conditions
9 1.1.4.2 skrll * are met:
10 1.1.4.2 skrll * 1. Redistributions of source code must retain the above copyright
11 1.1.4.2 skrll * notice, this list of conditions and the following disclaimer.
12 1.1.4.2 skrll * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.4.2 skrll * notice, this list of conditions and the following disclaimer in the
14 1.1.4.2 skrll * documentation and/or other materials provided with the distribution.
15 1.1.4.2 skrll *
16 1.1.4.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 1.1.4.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 1.1.4.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 1.1.4.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 1.1.4.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 1.1.4.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 1.1.4.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 1.1.4.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 1.1.4.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 1.1.4.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 1.1.4.2 skrll * POSSIBILITY OF SUCH DAMAGE.
27 1.1.4.2 skrll */
28 1.1.4.2 skrll
29 1.1.4.2 skrll #ifdef _MODULE
30 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_DECL(name) CFDRIVER_DECL(name, DV_IFNET, NULL)
31 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_ATTACH(name) \
32 1.1.4.2 skrll error = config_cfdriver_attach(& name ## _cd); \
33 1.1.4.2 skrll if (error) { \
34 1.1.4.2 skrll aprint_error("%s: unable to register cfdriver for" \
35 1.1.4.2 skrll "%s, error %d\n", __func__, name ## _cd.cd_name,\
36 1.1.4.2 skrll error); \
37 1.1.4.2 skrll break; \
38 1.1.4.2 skrll }
39 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_DETACH(name) \
40 1.1.4.2 skrll /* Remove device from autoconf database */ \
41 1.1.4.2 skrll error = config_cfdriver_detach(&name ## _cd); \
42 1.1.4.2 skrll if (error) { \
43 1.1.4.2 skrll aprint_error("%s: failed to detach %s cfdriver, " \
44 1.1.4.2 skrll "error %d\n", __func__, name ## _cd.cd_name, \
45 1.1.4.2 skrll error); \
46 1.1.4.2 skrll break; \
47 1.1.4.2 skrll }
48 1.1.4.2 skrll #else
49 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_DECL(name)
50 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_ATTACH(name)
51 1.1.4.2 skrll # define IF_MODULE_CFDRIVER_DETACH(name)
52 1.1.4.2 skrll #endif
53 1.1.4.2 skrll
54 1.1.4.2 skrll #define IF_MODULE(class, name, dep) \
55 1.1.4.2 skrll MODULE(class, if_ ## name, dep); \
56 1.1.4.2 skrll IF_MODULE_CFDRIVER_DECL(name); \
57 1.1.4.2 skrll static int \
58 1.1.4.2 skrll if_ ## name ## _modcmd(modcmd_t cmd, void *arg) \
59 1.1.4.2 skrll { \
60 1.1.4.2 skrll int error = 0; \
61 1.1.4.2 skrll \
62 1.1.4.2 skrll switch (cmd) { \
63 1.1.4.2 skrll case MODULE_CMD_INIT: \
64 1.1.4.2 skrll IF_MODULE_CFDRIVER_ATTACH(name) \
65 1.1.4.2 skrll /* Init the unit list/line discipline stuff */ \
66 1.1.4.2 skrll name ## init(); \
67 1.1.4.2 skrll break; \
68 1.1.4.2 skrll \
69 1.1.4.2 skrll case MODULE_CMD_FINI: \
70 1.1.4.2 skrll /* \
71 1.1.4.2 skrll * Make sure it's ok to detach - no units left, \
72 1.1.4.2 skrll * and line discipline is removed \
73 1.1.4.2 skrll */ \
74 1.1.4.2 skrll error = name ## detach(); \
75 1.1.4.2 skrll if (error != 0) \
76 1.1.4.2 skrll break; \
77 1.1.4.2 skrll IF_MODULE_CFDRIVER_DETACH(name) \
78 1.1.4.2 skrll break; \
79 1.1.4.2 skrll \
80 1.1.4.2 skrll case MODULE_CMD_STAT: \
81 1.1.4.2 skrll error = ENOTTY; \
82 1.1.4.2 skrll break; \
83 1.1.4.2 skrll default: \
84 1.1.4.2 skrll error = ENOTTY; \
85 1.1.4.2 skrll break; \
86 1.1.4.2 skrll } \
87 1.1.4.2 skrll \
88 1.1.4.2 skrll return error; \
89 1.1.4.2 skrll }
90