1 /* $NetBSD: qop_dummy.c,v 1.5 2001/08/22 08:52:37 itojun Exp $ */ 2 /* $KAME: qop_dummy.c,v 1.4 2001/08/16 10:39:14 kjc Exp $ */ 3 /* 4 * Copyright (C) 1999-2000 5 * Sony Computer Science Laboratories, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/socket.h> 31 #include <net/if.h> 32 #include <stdio.h> 33 #include <errno.h> 34 #include <syslog.h> 35 36 #include <altq/altq.h> 37 #include "altq_qop.h" 38 39 int null_interface_parser(const char *, int, char **); 40 int null_class_parser(const char *, const char *, const char *, int, char **); 41 int qcmd_nop_add_if(const char *); 42 static int nop_attach(struct ifinfo *); 43 static int nop_detach(struct ifinfo *); 44 static int nop_clear(struct ifinfo *); 45 static int nop_enable(struct ifinfo *); 46 static int nop_disable(struct ifinfo *); 47 static int nop_add_class(struct classinfo *); 48 static int nop_modify_class(struct classinfo *, void *); 49 static int nop_delete_class(struct classinfo *); 50 static int nop_add_filter(struct fltrinfo *); 51 static int nop_delete_filter(struct fltrinfo *); 52 53 struct qdisc_ops nop_qdisc = { 54 ALTQT_NONE, 55 "nop", 56 nop_attach, 57 nop_detach, 58 nop_clear, 59 nop_enable, 60 nop_disable, 61 nop_add_class, 62 nop_modify_class, 63 nop_delete_class, 64 nop_add_filter, 65 nop_delete_filter, 66 }; 67 68 #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0) 69 70 /* 71 * parser interface for null interface 72 */ 73 int 74 null_interface_parser(const char *ifname, int argc, char **argv) 75 { 76 u_int bandwidth = 0; 77 u_int tbrsize = 0; 78 79 /* 80 * process options 81 */ 82 while (argc > 0) { 83 if (EQUAL(*argv, "bandwidth")) { 84 argc--; argv++; 85 if (argc > 0) 86 bandwidth = atobps(*argv); 87 } else if (EQUAL(*argv, "tbrsize")) { 88 argc--; argv++; 89 if (argc > 0) 90 tbrsize = atobytes(*argv); 91 } else { 92 LOG(LOG_ERR, 0, "Unknown keyword '%s'", argv); 93 return (0); 94 } 95 argc--; argv++; 96 } 97 98 if (bandwidth != 0) 99 if (qcmd_tbr_register(ifname, bandwidth, tbrsize) != 0) 100 return (0); 101 102 /* 103 * add a dummy interface since traffic conditioner might need it. 104 */ 105 if (qcmd_nop_add_if(ifname) != 0) 106 return (0); 107 return (1); 108 } 109 110 int 111 null_class_parser(const char *ifname, const char *class_name, 112 const char *parent_name, int argc, char **argv) 113 { 114 LOG(LOG_ERR, 0, 115 "class cannot be defined without a queueing discipline in %s, line %d", 116 altqconfigfile, line_no); 117 return (0); 118 } 119 120 /* 121 * qcmd api 122 */ 123 int 124 qcmd_nop_add_if(const char *ifname) 125 { 126 int error; 127 128 error = qop_add_if(NULL, ifname, 0, &nop_qdisc, NULL); 129 if (error != 0) 130 LOG(LOG_ERR, errno, "%s: can't add nop on interface '%s'", 131 qoperror(error), ifname); 132 return (error); 133 } 134 135 /* 136 * qop api 137 */ 138 static int nop_attach(struct ifinfo *ifinfo) 139 { 140 return (0); 141 } 142 143 static int nop_detach(struct ifinfo *ifinfo) 144 { 145 return (0); 146 } 147 148 static int nop_clear(struct ifinfo *ifinfo) 149 { 150 return (0); 151 } 152 153 static int nop_enable(struct ifinfo *ifinfo) 154 { 155 return (0); 156 } 157 158 static int nop_disable(struct ifinfo *ifinfo) 159 { 160 return (0); 161 } 162 163 static int nop_add_class(struct classinfo *clinfo) 164 { 165 return (0); 166 } 167 168 static int nop_modify_class(struct classinfo *clinfo, void *arg) 169 { 170 return (0); 171 } 172 173 static int nop_delete_class(struct classinfo *clinfo) 174 { 175 return (0); 176 } 177 178 static int nop_add_filter(struct fltrinfo *fltrinfo) 179 { 180 return (0); 181 } 182 183 static int nop_delete_filter(struct fltrinfo *fltrinfo) 184 { 185 return (0); 186 } 187