static ssize_t batadv_store_gw_mode(struct kobject *kobj,
struct attribute *attr, char *buff,
size_t count)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_priv *bat_priv = netdev_priv(net_dev);
char *curr_gw_mode_str;
int gw_mode_tmp = -1;
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
gw_mode_tmp = BATADV_GW_MODE_OFF;
if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
gw_mode_tmp = BATADV_GW_MODE_CLIENT;
if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
gw_mode_tmp = BATADV_GW_MODE_SERVER;
if (gw_mode_tmp < 0) {
batadv_info(net_dev,
"Invalid parameter for 'gw mode' setting received: %s\n",
buff);
return -EINVAL;
}
if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp)
return count;
switch (atomic_read(&bat_priv->gw_mode)) {
case BATADV_GW_MODE_CLIENT:
curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
break;
case BATADV_GW_MODE_SERVER:
curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
break;
default:
curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME;
break;
}
batadv_info(net_dev, "Changing gw mode from: %s to: %s\n",
curr_gw_mode_str, buff);
batadv_gw_deselect(bat_priv);
atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp);
return count;
}
ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
size_t count)
{
struct batadv_priv *bat_priv = netdev_priv(net_dev);
long gw_bandwidth_tmp = 0;
int up = 0, down = 0;
bool ret;
ret = batadv_parse_gw_bandwidth(net_dev, buff, &up, &down);
if (!ret)
goto end;
if ((!down) || (down < 256))
down = 2000;
if (!up)
up = down / 5;
batadv_kbit_to_gw_bandwidth(down, up, &gw_bandwidth_tmp);
/* the gw bandwidth we guessed above might not match the given
* speeds, hence we need to calculate it back to show the number
* that is going to be propagated
*/
batadv_gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp, &down, &up);
if (atomic_read(&bat_priv->gw_bandwidth) == gw_bandwidth_tmp)
return count;
batadv_gw_deselect(bat_priv);
batadv_info(net_dev,
"Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n",
atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp,
(down > 2048 ? down / 1024 : down),
(down > 2048 ? "MBit" : "KBit"),
(up > 2048 ? up / 1024 : up),
(up > 2048 ? "MBit" : "KBit"));
atomic_set(&bat_priv->gw_bandwidth, gw_bandwidth_tmp);
end:
return count;
}
static void batadv_post_gw_deselect(struct net_device *net_dev)
{
struct batadv_priv *bat_priv = netdev_priv(net_dev);
batadv_gw_deselect(bat_priv);
}
