121 lines
2.7 KiB
C
121 lines
2.7 KiB
C
/*
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* Copyright (C) 2000 Lennert Buytenhek
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#ifndef FEATURE_ANDROID
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#include <sys/fcntl.h>
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#else
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#include <fcntl.h>
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#endif
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#include <sys/ioctl.h>
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#include "libbridge.h"
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#include "libbridge_private.h"
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int br_add_bridge(const char *brname)
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{
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int ret;
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#ifdef SIOCBRADDBR
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ret = ioctl(br_socket_fd, SIOCBRADDBR, brname);
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if (ret < 0)
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#endif
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{
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char _br[IFNAMSIZ];
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unsigned long arg[3]
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= { BRCTL_ADD_BRIDGE, (unsigned long) _br };
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strncpy(_br, brname, IFNAMSIZ);
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ret = ioctl(br_socket_fd, SIOCSIFBR, arg);
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}
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return ret < 0 ? errno : 0;
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}
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int br_del_bridge(const char *brname)
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{
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int ret;
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#ifdef SIOCBRDELBR
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ret = ioctl(br_socket_fd, SIOCBRDELBR, brname);
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if (ret < 0)
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#endif
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{
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char _br[IFNAMSIZ];
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unsigned long arg[3]
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= { BRCTL_DEL_BRIDGE, (unsigned long) _br };
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strncpy(_br, brname, IFNAMSIZ);
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ret = ioctl(br_socket_fd, SIOCSIFBR, arg);
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}
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return ret < 0 ? errno : 0;
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}
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int br_add_interface(const char *bridge, const char *dev)
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{
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struct ifreq ifr;
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int err;
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int ifindex = if_nametoindex(dev);
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if (ifindex == 0)
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return ENODEV;
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strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
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#ifdef SIOCBRADDIF
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ifr.ifr_ifindex = ifindex;
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err = ioctl(br_socket_fd, SIOCBRADDIF, &ifr);
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if (err < 0)
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#endif
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{
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unsigned long args[4] = { BRCTL_ADD_IF, ifindex, 0, 0 };
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ifr.ifr_data = (char *) args;
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err = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr);
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}
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return err < 0 ? errno : 0;
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}
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int br_del_interface(const char *bridge, const char *dev)
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{
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struct ifreq ifr;
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int err;
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int ifindex = if_nametoindex(dev);
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if (ifindex == 0)
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return ENODEV;
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strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
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#ifdef SIOCBRDELIF
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ifr.ifr_ifindex = ifindex;
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err = ioctl(br_socket_fd, SIOCBRDELIF, &ifr);
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if (err < 0)
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#endif
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{
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unsigned long args[4] = { BRCTL_DEL_IF, ifindex, 0, 0 };
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ifr.ifr_data = (char *) args;
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err = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr);
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}
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return err < 0 ? errno : 0;
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}
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