source: src/router/services/services/bridgetools.c @ 18434

/*
 * bridgetools.c
 *
 * Copyright (C) 2007 Sebastian Gottschall <gottschall@dd-wrt.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id:
 */
#include <stdlib.h>
#include <bcmnvram.h>
#include <shutils.h>
#include <utils.h>
#include <syslog.h>
#ifdef HAVE_MICRO

int brctl_main(int argc, char **argv)
{
        if (argc == 1) {
                fprintf(stderr, "try to be professional!\n");
                return -1;
        }
        br_init();
        if (!strcmp(argv[1], "addif")) {
                if (ifexists(argv[3]))
                        br_add_interface(argv[2], argv[3]);
        }
        if (!strcmp(argv[1], "delif")) {
                if (ifexists(argv[3]))
                        br_del_interface(argv[2], argv[3]);
        }
        if (!strcmp(argv[1], "addbr")) {
                br_add_bridge(argv[2]);
        }
        if (!strcmp(argv[1], "stp")) {
                br_set_stp_state(argv[2], atoi(argv[3]));
        }
        if (!strcmp(argv[1], "delbr")) {
                if (!ifexists(argv[2]))
                        return -1;
                br_del_bridge(argv[2]);
        }
        if (!strcmp(argv[1], "show")) {
                br_cmd_show();
        }
        br_shutdown();
}
#else

#ifdef HAVE_MSTP

int br_set_stp_state(const char *br, int stp_state)
{
        if (!ifexists(br))
                return -1;
        if (stp_state == 1) {
                // syslog (LOG_INFO, "stp is set to on\n");
                return eval("brctl", "stp", br, "1");
        } else {
                // syslog (LOG_INFO, "stp is set to off\n");
                return eval("brctl", "stp", br, "0");
        }
}

int br_set_port_prio(const char *br, char *port, char *prio)
{
        if (!ifexists(br))
                return -1;
        return eval("mstpctl", "settreeportprio", br, port, "0", prio);
}

int br_set_bridge_prio(const char *br, char *prio)
{
        if (!ifexists(br))
                return -1;
        return eval("mstpctl", "settreeprio", br, "0", prio);
}

int br_set_bridge_forward_delay(const char *br, int sec)
{
        char delay[32];

        sprintf(delay, "%d", sec);
        return eval("mstpctl", "setfdelay", br, delay);

}
#else
int br_set_bridge_forward_delay(const char *br, int sec)
{
        char delay[32];

        sprintf(delay, "%d", sec);
        return eval("brctl", "setfd", br, delay);
}

int br_set_stp_state(const char *br, int stp_state)
{
        if (!ifexists(br))
                return -1;
        if (stp_state == 1) {
                // syslog (LOG_INFO, "stp is set to on\n");
                return eval("brctl", "stp", br, "1");
        } else {
                // syslog (LOG_INFO, "stp is set to off\n");
                return eval("brctl", "stp", br, "0");
        }
}

int br_set_port_prio(const char *br, char *port, char *prio)
{
        if (!ifexists(br))
                return -1;
        return eval("brctl", "setportprio", br, port, prio);
}

int br_set_bridge_prio(const char *br, char *prio)
{
        if (!ifexists(br))
                return -1;
        return eval("brctl", "setbridgeprio", br, prio);
}

#endif
int br_add_bridge(const char *brname)
{
        dd_syslog(LOG_INFO, "bridge added successfully\n");
        char ipaddr[32];

        sprintf(ipaddr, "%s_ipaddr", brname);
        char netmask[32];

        sprintf(netmask, "%s_netmask", brname);
        int ret = eval("brctl", "addbr", brname);

        if (nvram_get(ipaddr) && nvram_get(netmask)
            && !nvram_match(ipaddr, "0.0.0.0")
            && !nvram_match(netmask, "0.0.0.0")) {
                eval("ifconfig", brname, nvram_safe_get(ipaddr), "netmask",
                     nvram_safe_get(netmask), "mtu", getBridgeMTU(brname),
                     "up");
        } else
                eval("ifconfig", brname, "mtu", getBridgeMTU(brname));
        return ret;
}

int br_del_bridge(const char *brname)
{
        if (!ifexists(brname))
                return -1;
        dd_syslog(LOG_INFO, "bridge deleted successfully\n");
        return eval("brctl", "delbr", brname);
}

int br_add_interface(const char *br, const char *dev)
{
        if (!ifexists(dev))
                return -1;
        char ipaddr[32];

        sprintf(ipaddr, "%s_ipaddr", dev);
        char netmask[32];

        sprintf(netmask, "%s_netmask", dev);

        eval("ifconfig", dev, "0.0.0.0");
        if (strncmp(dev, "ath", 3) != 0) {      // this is not an ethernet driver
                eval("ifconfig", dev, "down");  //fixup for some ethernet drivers
        }
        eval("ifconfig", dev, "mtu", getBridgeMTU(br));
        if (strncmp(dev, "ath", 3) != 0) {      // this is not an ethernet driver
                eval("ifconfig", dev, "up");
        }

        dd_syslog(LOG_INFO, "interface added successfully\n");
        return eval("brctl", "addif", br, dev);
}

int br_del_interface(const char *br, const char *dev)
{
        if (!ifexists(dev))
                return -1;
        dd_syslog(LOG_INFO, "interface deleted successfully\n");
        return eval("brctl", "delif", br, dev);
}

#endif