static int _get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len)
{
if (dev != (netdev2_t *)&netdev2_tap) {
return -ENODEV;
}
int res = 0;
switch (opt) {
case NETOPT_ADDRESS:
if (max_len < ETHERNET_ADDR_LEN) {
res = -EINVAL;
}
else {
_get_mac_addr(dev, (uint8_t*)value);
res = ETHERNET_ADDR_LEN;
}
break;
case NETOPT_PROMISCUOUSMODE:
*((bool*)value) = (bool)_get_promiscous(dev);
res = sizeof(bool);
break;
default:
res = netdev2_eth_get(dev, opt, value, max_len);
break;
}
return res;
}
static inline int _get_iid(netdev2_t *netdev, eui64_t *value, size_t max_len)
{
if (max_len < sizeof(eui64_t)) {
return -EOVERFLOW;
}
uint8_t addr[ETHERNET_ADDR_LEN];
_get_mac_addr(netdev, addr);
ethernet_get_iid(value, addr);
return sizeof(eui64_t);
}
int _get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len)
{
if (dev != (netdev2_t *)&netdev2_tap) {
return -ENODEV;
}
int res = 0;
switch (opt) {
case NETOPT_DEVICE_TYPE:
{
uint16_t *tgt = (uint16_t *)value;
*tgt = NETDEV2_TYPE_ETHERNET;
res = 2;
break;
}
case NETOPT_ADDRESS:
if (max_len < ETHERNET_ADDR_LEN) {
res = -EINVAL;
}
else {
_get_mac_addr(dev, (uint8_t*)value);
res = ETHERNET_ADDR_LEN;
}
break;
case NETOPT_ADDR_LEN:
case NETOPT_SRC_LEN:
assert(max_len == 2);
uint16_t *tgt = (uint16_t*)value;
*tgt=6;
res = sizeof(uint16_t);
break;
case NETOPT_PROMISCUOUSMODE:
*((bool*)value) = (bool)_get_promiscous(dev);
res = sizeof(bool);
break;
case NETOPT_IPV6_IID:
return _get_iid(dev, value, max_len);
case NETOPT_IS_WIRED:
res = 1;
break;
default:
res = -ENOTSUP;
break;
}
return res;
}
int _get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len)
{
int res = 0;
switch (opt) {
case NETOPT_ADDRESS:
if (max_len < ETHERNET_ADDR_LEN) {
res = -EINVAL;
}
else {
_get_mac_addr(dev, (uint8_t*)value);
res = ETHERNET_ADDR_LEN;
}
break;
default:
res = netdev2_eth_get(dev, opt, value, max_len);
break;
}
return res;
}
