1 /* $NetBSD: qop_dummy.c,v 1.7 2002/03/05 04:11:53 itojun Exp $ */ 2 /* $KAME: qop_dummy.c,v 1.5 2001/12/03 08:20:55 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 #include <string.h> 36 37 #include <altq/altq.h> 38 #include "altq_qop.h" 39 40 int null_interface_parser(const char *, int, char **); 41 int null_class_parser(const char *, const char *, const char *, int, char **); 42 int qcmd_nop_add_if(const char *); 43 static int nop_attach(struct ifinfo *); 44 static int nop_detach(struct ifinfo *); 45 static int nop_clear(struct ifinfo *); 46 static int nop_enable(struct ifinfo *); 47 static int nop_disable(struct ifinfo *); 48 static int nop_add_class(struct classinfo *); 49 static int nop_modify_class(struct classinfo *, void *); 50 static int nop_delete_class(struct classinfo *); 51 static int nop_add_filter(struct fltrinfo *); 52 static int nop_delete_filter(struct fltrinfo *); 53 54 struct qdisc_ops nop_qdisc = { 55 ALTQT_NONE, 56 "nop", 57 nop_attach, 58 nop_detach, 59 nop_clear, 60 nop_enable, 61 nop_disable, 62 nop_add_class, 63 nop_modify_class, 64 nop_delete_class, 65 nop_add_filter, 66 nop_delete_filter, 67 }; 68 69 #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0) 70 71 /* 72 * parser interface for null interface 73 */ 74 int 75 null_interface_parser(const char *ifname, int argc, char **argv) 76 { 77 u_int bandwidth = 0; 78 u_int tbrsize = 0; 79 80 /* 81 * process options 82 */ 83 while (argc > 0) { 84 if (EQUAL(*argv, "bandwidth")) { 85 argc--; argv++; 86 if (argc > 0) 87 bandwidth = atobps(*argv); 88 } else if (EQUAL(*argv, "tbrsize")) { 89 argc--; argv++; 90 if (argc > 0) 91 tbrsize = atobytes(*argv); 92 } else { 93 LOG(LOG_ERR, 0, "Unknown keyword '%s'", *argv); 94 return (0); 95 } 96 argc--; argv++; 97 } 98 99 if (bandwidth != 0) 100 if (qcmd_tbr_register(ifname, bandwidth, tbrsize) != 0) 101 return (0); 102 103 /* 104 * add a dummy interface since traffic conditioner might need it. 105 */ 106 if (qcmd_nop_add_if(ifname) != 0) 107 return (0); 108 return (1); 109 } 110 111 int 112 null_class_parser(const char *ifname, const char *class_name, 113 const char *parent_name, int argc, char **argv) 114 { 115 LOG(LOG_ERR, 0, 116 "class cannot be defined without a queueing discipline in %s, line %d", 117 altqconfigfile, line_no); 118 return (0); 119 } 120 121 /* 122 * qcmd api 123 */ 124 int 125 qcmd_nop_add_if(const char *ifname) 126 { 127 int error; 128 129 error = qop_add_if(NULL, ifname, 0, &nop_qdisc, NULL); 130 if (error != 0) 131 LOG(LOG_ERR, errno, "%s: can't add nop on interface '%s'", 132 qoperror(error), ifname); 133 return (error); 134 } 135 136 /* 137 * qop api 138 */ 139 static int nop_attach(struct ifinfo *ifinfo) 140 { 141 return (0); 142 } 143 144 static int nop_detach(struct ifinfo *ifinfo) 145 { 146 return (0); 147 } 148 149 static int nop_clear(struct ifinfo *ifinfo) 150 { 151 return (0); 152 } 153 154 static int nop_enable(struct ifinfo *ifinfo) 155 { 156 return (0); 157 } 158 159 static int nop_disable(struct ifinfo *ifinfo) 160 { 161 return (0); 162 } 163 164 static int nop_add_class(struct classinfo *clinfo) 165 { 166 return (0); 167 } 168 169 static int nop_modify_class(struct classinfo *clinfo, void *arg) 170 { 171 return (0); 172 } 173 174 static int nop_delete_class(struct classinfo *clinfo) 175 { 176 return (0); 177 } 178 179 static int nop_add_filter(struct fltrinfo *fltrinfo) 180 { 181 return (0); 182 } 183 184 static int nop_delete_filter(struct fltrinfo *fltrinfo) 185 { 186 return (0); 187 } 188