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/*
*
* Connection Manager
*
* Copyright (C) 2007-2013 Intel Corporation. All rights reserved.
* Copyright (C) 2012-2014 BMW Car IT GmbH.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <linux/sockios.h>
#include <string.h>
#include <fcntl.h>
#include <linux/if_tun.h>
#include "connman.h"
static int set_forward_delay(const char *name, unsigned int delay)
{
FILE *f;
char *forward_delay_path;
forward_delay_path =
g_strdup_printf("/sys/class/net/%s/bridge/forward_delay", name);
if (!forward_delay_path)
return -ENOMEM;
f = fopen(forward_delay_path, "r+");
g_free(forward_delay_path);
if (!f)
return -errno;
fprintf(f, "%u", delay);
fclose(f);
return 0;
}
int __connman_bridge_create(const char *name)
{
int sk, err;
DBG("name %s", name);
sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (sk < 0)
return -EOPNOTSUPP;
if (ioctl(sk, SIOCBRADDBR, name) == -1) {
err = -errno;
if (err != -EEXIST) {
close(sk);
return -EOPNOTSUPP;
}
}
err = set_forward_delay(name, 0);
if (err < 0)
ioctl(sk, SIOCBRDELBR, name);
close(sk);
return err;
}
int __connman_bridge_remove(const char *name)
{
int sk, err;
DBG("name %s", name);
sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (sk < 0)
return -EOPNOTSUPP;
err = ioctl(sk, SIOCBRDELBR, name);
close(sk);
if (err < 0)
return -EOPNOTSUPP;
return 0;
}
int __connman_bridge_enable(const char *name, const char *ip_address,
int prefix_len, const char *broadcast)
{
int err, index;
index = connman_inet_ifindex(name);
if (index < 0)
return index;
err = __connman_inet_modify_address(RTM_NEWADDR,
NLM_F_REPLACE | NLM_F_ACK, index, AF_INET,
ip_address, NULL, prefix_len, broadcast);
if (err < 0)
return err;
return connman_inet_ifup(index);
}
int __connman_bridge_disable(const char *name)
{
int index;
index = connman_inet_ifindex(name);
if (index < 0)
return index;
return connman_inet_ifdown(index);
}
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