if_module.h revision 1.1.18.2
1 1.1.18.2 jdolecek /* $NetBSD: if_module.h,v 1.1.18.2 2017/12/03 11:39:02 jdolecek Exp $ */ 2 1.1.18.2 jdolecek 3 1.1.18.2 jdolecek /*- 4 1.1.18.2 jdolecek * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 1.1.18.2 jdolecek * All rights reserved. 6 1.1.18.2 jdolecek * 7 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 8 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 9 1.1.18.2 jdolecek * are met: 10 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 11 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 12 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 14 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 15 1.1.18.2 jdolecek * 16 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1.18.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1.18.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1.18.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1.18.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1.18.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1.18.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1.18.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1.18.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1.18.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1.18.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 27 1.1.18.2 jdolecek */ 28 1.1.18.2 jdolecek 29 1.1.18.2 jdolecek #ifdef _MODULE 30 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_DECL(name) CFDRIVER_DECL(name, DV_IFNET, NULL) 31 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_ATTACH(name) \ 32 1.1.18.2 jdolecek error = config_cfdriver_attach(& name ## _cd); \ 33 1.1.18.2 jdolecek if (error) { \ 34 1.1.18.2 jdolecek aprint_error("%s: unable to register cfdriver for" \ 35 1.1.18.2 jdolecek "%s, error %d\n", __func__, name ## _cd.cd_name,\ 36 1.1.18.2 jdolecek error); \ 37 1.1.18.2 jdolecek break; \ 38 1.1.18.2 jdolecek } 39 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_DETACH(name) \ 40 1.1.18.2 jdolecek /* Remove device from autoconf database */ \ 41 1.1.18.2 jdolecek error = config_cfdriver_detach(&name ## _cd); \ 42 1.1.18.2 jdolecek if (error) { \ 43 1.1.18.2 jdolecek aprint_error("%s: failed to detach %s cfdriver, " \ 44 1.1.18.2 jdolecek "error %d\n", __func__, name ## _cd.cd_name, \ 45 1.1.18.2 jdolecek error); \ 46 1.1.18.2 jdolecek break; \ 47 1.1.18.2 jdolecek } 48 1.1.18.2 jdolecek #else 49 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_DECL(name) 50 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_ATTACH(name) 51 1.1.18.2 jdolecek # define IF_MODULE_CFDRIVER_DETACH(name) 52 1.1.18.2 jdolecek #endif 53 1.1.18.2 jdolecek 54 1.1.18.2 jdolecek #define IF_MODULE(class, name, dep) \ 55 1.1.18.2 jdolecek MODULE(class, if_ ## name, dep); \ 56 1.1.18.2 jdolecek IF_MODULE_CFDRIVER_DECL(name); \ 57 1.1.18.2 jdolecek static int \ 58 1.1.18.2 jdolecek if_ ## name ## _modcmd(modcmd_t cmd, void *arg) \ 59 1.1.18.2 jdolecek { \ 60 1.1.18.2 jdolecek int error = 0; \ 61 1.1.18.2 jdolecek \ 62 1.1.18.2 jdolecek switch (cmd) { \ 63 1.1.18.2 jdolecek case MODULE_CMD_INIT: \ 64 1.1.18.2 jdolecek IF_MODULE_CFDRIVER_ATTACH(name) \ 65 1.1.18.2 jdolecek /* Init the unit list/line discipline stuff */ \ 66 1.1.18.2 jdolecek name ## init(); \ 67 1.1.18.2 jdolecek break; \ 68 1.1.18.2 jdolecek \ 69 1.1.18.2 jdolecek case MODULE_CMD_FINI: \ 70 1.1.18.2 jdolecek /* \ 71 1.1.18.2 jdolecek * Make sure it's ok to detach - no units left, \ 72 1.1.18.2 jdolecek * and line discipline is removed \ 73 1.1.18.2 jdolecek */ \ 74 1.1.18.2 jdolecek error = name ## detach(); \ 75 1.1.18.2 jdolecek if (error != 0) \ 76 1.1.18.2 jdolecek break; \ 77 1.1.18.2 jdolecek IF_MODULE_CFDRIVER_DETACH(name) \ 78 1.1.18.2 jdolecek break; \ 79 1.1.18.2 jdolecek \ 80 1.1.18.2 jdolecek case MODULE_CMD_STAT: \ 81 1.1.18.2 jdolecek error = ENOTTY; \ 82 1.1.18.2 jdolecek break; \ 83 1.1.18.2 jdolecek default: \ 84 1.1.18.2 jdolecek error = ENOTTY; \ 85 1.1.18.2 jdolecek break; \ 86 1.1.18.2 jdolecek } \ 87 1.1.18.2 jdolecek \ 88 1.1.18.2 jdolecek return error; \ 89 1.1.18.2 jdolecek } 90
Indexes created Thu Oct 02 14:10:14 GMT 2025