int br_add_bridge(const char *brname)
{
int ret;
dd_syslog(LOG_INFO, "bridge added successfully\n");
char ipaddr[32];
sprintf(ipaddr, "%s_ipaddr", brname);
char netmask[32];
sprintf(netmask, "%s_netmask", brname);
#ifdef SIOCBRADDBR
ret = ioctl(br_socket_fd, SIOCBRADDBR, brname);
if (ret < 0)
#endif
{
char _br[IFNAMSIZ];
unsigned long arg[3] = { BRCTL_ADD_BRIDGE, (unsigned long)_br };
strncpy(_br, brname, IFNAMSIZ);
ret = ioctl(br_socket_fd, SIOCSIFBR, arg);
}
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 < 0 ? errno : 0;
}
int br_add_interface(const char *bridge, const char *dev)
{
if (!ifexists(dev))
return -1;
char ipaddr[32];
sprintf(ipaddr, "%s_ipaddr", dev);
char netmask[32];
sprintf(netmask, "%s_netmask", dev);
if (strncmp(dev, "ath", 3) != 0) { // this is not an ethernet driver
eval("ifconfig", dev, "down"); //fixup for some ethernet drivers
}
if (nvram_get(ipaddr) && nvram_get(netmask)
&& !nvram_match(ipaddr, "0.0.0.0")
&& !nvram_match(netmask, "0.0.0.0")) {
eval("ifconfig", dev, nvram_safe_get(ipaddr), "netmask",
nvram_safe_get(netmask), "mtu", getBridgeMTU(bridge));
} else
eval("ifconfig", dev, "mtu", getBridgeMTU(bridge));
if (strncmp(dev, "ath", 3) != 0) { // this is not an ethernet driver
eval("ifconfig", dev, "up");
}
dd_syslog(LOG_INFO, "interface added successfully\n");
struct ifreq ifr;
int err;
int ifindex = if_nametoindex(dev);
if (ifindex == 0)
return ENODEV;
strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
#ifdef SIOCBRADDIF
ifr.ifr_ifindex = ifindex;
err = ioctl(br_socket_fd, SIOCBRADDIF, &ifr);
if (err < 0)
#endif
{
unsigned long args[4] = { BRCTL_ADD_IF, ifindex, 0, 0 };
ifr.ifr_data = (char *)args;
err = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr);
}
return err < 0 ? errno : 0;
}
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");
int ret = eval("brctl", "addif", br, dev);
#ifdef HAVE_80211AC
eval("emf", "add", "iface", br, dev);
#endif
return ret;
}
int br_add_bridge(const char *brname)
{
dd_syslog(LOG_INFO, "bridge added successfully\n");
char ipaddr[32];
char brmcast[32];
sprintf(brmcast, "%s_mcast", brname);
sprintf(ipaddr, "%s_ipaddr", brname);
char netmask[32];
sprintf(netmask, "%s_netmask", brname);
int ret = eval("brctl", "addbr", brname);
#ifdef HAVE_80211AC
eval("emf", "add", "bridge", brname);
eval("igs", "add", "bridge", brname);
#endif
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));
char *mcast = nvram_default_get(brmcast, "0");
sysprintf("echo %s > /sys/devices/virtual/net/%s/bridge/multicast_snooping", mcast, brname);
return ret;
}
