/* $OpenBSD: qop_dummy.c,v 1.3 2001/12/03 08:38:48 kjc Exp $ */ /* $KAME: qop_dummy.c,v 1.4 2001/08/16 10:39:14 kjc Exp $ */ /* * Copyright (C) 1999-2000 * Sony Computer Science Laboratories, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include "altq_qop.h" int null_interface_parser(const char *, int, char **); int null_class_parser(const char *, const char *, const char *, int, char **); int qcmd_nop_add_if(const char *); static int nop_attach(struct ifinfo *); static int nop_detach(struct ifinfo *); static int nop_clear(struct ifinfo *); static int nop_enable(struct ifinfo *); static int nop_disable(struct ifinfo *); static int nop_add_class(struct classinfo *); static int nop_modify_class(struct classinfo *, void *); static int nop_delete_class(struct classinfo *); static int nop_add_filter(struct fltrinfo *); static int nop_delete_filter(struct fltrinfo *); struct qdisc_ops nop_qdisc = { ALTQT_NONE, "nop", nop_attach, nop_detach, nop_clear, nop_enable, nop_disable, nop_add_class, nop_modify_class, nop_delete_class, nop_add_filter, nop_delete_filter, }; #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0) /* * parser interface for null interface */ int null_interface_parser(const char *ifname, int argc, char **argv) { u_int bandwidth = 0; u_int tbrsize = 0; /* * process options */ while (argc > 0) { if (EQUAL(*argv, "bandwidth")) { argc--; argv++; if (argc > 0) bandwidth = atobps(*argv); } else if (EQUAL(*argv, "tbrsize")) { argc--; argv++; if (argc > 0) tbrsize = atobytes(*argv); } else { LOG(LOG_ERR, 0, "Unknown keyword '%s'", *argv); return (0); } argc--; argv++; } if (bandwidth != 0) if (qcmd_tbr_register(ifname, bandwidth, tbrsize) != 0) return (0); /* * add a dummy interface since traffic conditioner might need it. */ if (qcmd_nop_add_if(ifname) != 0) return (0); return (1); } int null_class_parser(const char *ifname, const char *class_name, const char *parent_name, int argc, char **argv) { LOG(LOG_ERR, 0, "class cannot be defined without a queueing discipline in %s, line %d", altqconfigfile, line_no); return (0); } /* * qcmd api */ int qcmd_nop_add_if(const char *ifname) { int error; error = qop_add_if(NULL, ifname, 0, &nop_qdisc, NULL); if (error != 0) LOG(LOG_ERR, errno, "%s: can't add nop on interface '%s'", qoperror(error), ifname); return (error); } /* * qop api */ static int nop_attach(struct ifinfo *ifinfo) { return (0); } static int nop_detach(struct ifinfo *ifinfo) { return (0); } static int nop_clear(struct ifinfo *ifinfo) { return (0); } static int nop_enable(struct ifinfo *ifinfo) { return (0); } static int nop_disable(struct ifinfo *ifinfo) { return (0); } static int nop_add_class(struct classinfo *clinfo) { return (0); } static int nop_modify_class(struct classinfo *clinfo, void *arg) { return (0); } static int nop_delete_class(struct classinfo *clinfo) { return (0); } static int nop_add_filter(struct fltrinfo *fltrinfo) { return (0); } static int nop_delete_filter(struct fltrinfo *fltrinfo) { return (0); }