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Makefile
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Makefile.depend
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Makefile.depend.options
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af_inet.c
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af_inet6.c
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af_link.c
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af_nd6.c
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carp.c
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ifbridge.c
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ifclone.c
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ifconfig.8
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ifconfig.c
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ifconfig.h
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iffib.c
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ifgif.c
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ifgre.c
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ifgroup.c
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ifieee80211.c
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ifipsec.c
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iflagg.c
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ifmac.c
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ifmedia.c
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ifpfsync.c
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ifvlan.c
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ifvxlan.c
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sfp.c
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tests
Editing: ifgre.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2008 Andrew Thompson. 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 THE AUTHOR ``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 THE AUTHOR OR HIS RELATIVES 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 MIND, 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 <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/ioctl.h> #include <sys/socket.h> #include <sys/sockio.h> #include <net/if.h> #include <net/if_gre.h> #include <ctype.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <err.h> #include "ifconfig.h" #define GREBITS "\020\01ENABLE_CSUM\02ENABLE_SEQ\03UDPENCAP" static void gre_status(int s); static void gre_status(int s) { uint32_t opts, port; opts = 0; ifr.ifr_data = (caddr_t)&opts; if (ioctl(s, GREGKEY, &ifr) == 0) if (opts != 0) printf("\tgrekey: 0x%x (%u)\n", opts, opts); opts = 0; if (ioctl(s, GREGOPTS, &ifr) != 0 || opts == 0) return; port = 0; ifr.ifr_data = (caddr_t)&port; if (ioctl(s, GREGPORT, &ifr) == 0 && port != 0) printf("\tudpport: %u\n", port); printb("\toptions", opts, GREBITS); putchar('\n'); } static void setifgrekey(const char *val, int dummy __unused, int s, const struct afswtch *afp) { uint32_t grekey = strtol(val, NULL, 0); strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_data = (caddr_t)&grekey; if (ioctl(s, GRESKEY, (caddr_t)&ifr) < 0) warn("ioctl (set grekey)"); } static void setifgreport(const char *val, int dummy __unused, int s, const struct afswtch *afp) { uint32_t udpport = strtol(val, NULL, 0); strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_data = (caddr_t)&udpport; if (ioctl(s, GRESPORT, (caddr_t)&ifr) < 0) warn("ioctl (set udpport)"); } static void setifgreopts(const char *val, int d, int s, const struct afswtch *afp) { uint32_t opts; ifr.ifr_data = (caddr_t)&opts; if (ioctl(s, GREGOPTS, &ifr) == -1) { warn("ioctl(GREGOPTS)"); return; } if (d < 0) opts &= ~(-d); else opts |= d; if (ioctl(s, GRESOPTS, &ifr) == -1) { warn("ioctl(GIFSOPTS)"); return; } } static struct cmd gre_cmds[] = { DEF_CMD_ARG("grekey", setifgrekey), DEF_CMD_ARG("udpport", setifgreport), DEF_CMD("enable_csum", GRE_ENABLE_CSUM, setifgreopts), DEF_CMD("-enable_csum",-GRE_ENABLE_CSUM,setifgreopts), DEF_CMD("enable_seq", GRE_ENABLE_SEQ, setifgreopts), DEF_CMD("-enable_seq",-GRE_ENABLE_SEQ, setifgreopts), DEF_CMD("udpencap", GRE_UDPENCAP, setifgreopts), DEF_CMD("-udpencap",-GRE_UDPENCAP, setifgreopts), }; static struct afswtch af_gre = { .af_name = "af_gre", .af_af = AF_UNSPEC, .af_other_status = gre_status, }; static __constructor void gre_ctor(void) { size_t i; for (i = 0; i < nitems(gre_cmds); i++) cmd_register(&gre_cmds[i]); af_register(&af_gre); }
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