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/*
* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup driver_netdev2_eth
* @{
*
* @file
* @brief Common code for netdev2 ethernet drivers
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*
* @}
*/
#include <assert.h>
#include <errno.h>
#include "net/netdev2.h"
#include "net/eui64.h"
#include "net/ethernet.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
static 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];
netdev->driver->get(netdev, NETOPT_ADDRESS, addr, ETHERNET_ADDR_LEN);
ethernet_get_iid(value, addr);
return sizeof(eui64_t);
}
int netdev2_eth_get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len)
{
int res = 0;
switch (opt) {
case NETOPT_DEVICE_TYPE:
{
uint16_t *tgt = (uint16_t *)value;
*tgt = NETDEV2_TYPE_ETHERNET;
res = 2;
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_MAX_PACKET_SIZE:
{
assert(max_len >= 2);
uint16_t *val = (uint16_t*) value;
*val = ETHERNET_DATA_LEN;
res = sizeof(uint16_t);
break;
}
case NETOPT_IS_WIRED:
{
res = 1;
break;
}
case NETOPT_IPV6_IID:
{
return _get_iid(dev, value, max_len);
}
#ifdef MODULE_NETSTATS_L2
case NETOPT_STATS:
{
assert(max_len >= sizeof(uintptr_t));
*((netstats_t**)value) = &dev->stats;
res = sizeof(uintptr_t);
break;
}
#endif
default:
{
res = -ENOTSUP;
break;
}
}
return res;
}
int netdev2_eth_set(netdev2_t *dev, netopt_t opt, void *value, size_t value_len)
{
(void)dev;
(void)value;
(void)value_len;
int res = 0;
switch (opt) {
default:
return -ENOTSUP;
}
return res;
}
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