netdev_ieee802154.c
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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* 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_netdev_ieee802154
* @{
*
* @file
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdbool.h>
#include "net/eui64.h"
#include "net/ieee802154.h"
#include "net/netdev.h"
#include "net/netdev/ieee802154.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
static int _get_iid(netdev_ieee802154_t *dev, eui64_t *value, size_t max_len)
{
uint8_t *addr;
uint16_t addr_len;
assert(max_len >= sizeof(eui64_t));
if (dev->flags & NETDEV_IEEE802154_SRC_MODE_LONG) {
addr_len = IEEE802154_LONG_ADDRESS_LEN;
addr = dev->long_addr;
}
else {
addr_len = IEEE802154_SHORT_ADDRESS_LEN;
addr = dev->short_addr;
}
ieee802154_get_iid(value, addr, addr_len);
return sizeof(eui64_t);
}
int netdev_ieee802154_get(netdev_ieee802154_t *dev, netopt_t opt, void *value,
size_t max_len)
{
int res = -ENOTSUP;
switch (opt) {
case NETOPT_ADDRESS:
assert(max_len >= sizeof(dev->short_addr));
memcpy(value, dev->short_addr, sizeof(dev->short_addr));
res = sizeof(dev->short_addr);
break;
case NETOPT_ADDRESS_LONG:
assert(max_len >= sizeof(dev->long_addr));
memcpy(value, dev->long_addr, sizeof(dev->long_addr));
res = sizeof(dev->long_addr);
break;
case NETOPT_ADDR_LEN:
case NETOPT_SRC_LEN:
assert(max_len == sizeof(uint16_t));
if (dev->flags & NETDEV_IEEE802154_SRC_MODE_LONG) {
*((uint16_t *)value) = IEEE802154_LONG_ADDRESS_LEN;
}
else {
*((uint16_t *)value) = IEEE802154_SHORT_ADDRESS_LEN;
}
res = sizeof(uint16_t);
break;
case NETOPT_NID:
assert(max_len == sizeof(dev->pan));
*((uint16_t *)value) = dev->pan;
res = sizeof(dev->pan);
break;
case NETOPT_CHANNEL:
assert(max_len == sizeof(uint16_t));
*((uint16_t *)value) = (uint16_t)dev->chan;
res = sizeof(dev->chan);
break;
case NETOPT_ACK_REQ:
assert(max_len == sizeof(netopt_enable_t));
if (dev->flags & NETDEV_IEEE802154_ACK_REQ) {
*((netopt_enable_t *)value) = NETOPT_ENABLE;
}
else {
*((netopt_enable_t *)value) = NETOPT_DISABLE;
}
res = sizeof(netopt_enable_t);
break;
case NETOPT_RAWMODE:
assert(max_len == sizeof(netopt_enable_t));
if (dev->flags & NETDEV_IEEE802154_RAW) {
*((netopt_enable_t *)value) = NETOPT_ENABLE;
}
else {
*((netopt_enable_t *)value) = NETOPT_DISABLE;
}
res = sizeof(netopt_enable_t);
break;
#ifdef MODULE_GNRC
case NETOPT_PROTO:
assert(max_len == sizeof(gnrc_nettype_t));
*((gnrc_nettype_t *)value) = dev->proto;
res = sizeof(gnrc_nettype_t);
break;
#endif
case NETOPT_DEVICE_TYPE:
assert(max_len == sizeof(uint16_t));
*((uint16_t *)value) = NETDEV_TYPE_IEEE802154;
res = sizeof(uint16_t);
break;
case NETOPT_IPV6_IID:
res = _get_iid(dev, value, max_len);
break;
#ifdef MODULE_NETSTATS_L2
case NETOPT_STATS:
assert(max_len == sizeof(uintptr_t));
*((netstats_t **)value) = &dev->netdev.stats;
res = sizeof(uintptr_t);
break;
#endif
#ifdef MODULE_L2FILTER
case NETOPT_L2FILTER:
assert(max_len >= sizeof(l2filter_t **));
*((l2filter_t **)value) = dev->netdev.filter;
res = sizeof(l2filter_t **);
break;
#endif
default:
break;
}
return res;
}
int netdev_ieee802154_set(netdev_ieee802154_t *dev, netopt_t opt, const void *value,
size_t len)
{
int res = -ENOTSUP;
switch (opt) {
case NETOPT_CHANNEL:
{
assert(len == sizeof(uint16_t));
uint16_t chan = *((uint16_t *)value);
/* real validity needs to be checked by device, since sub-GHz and
* 2.4 GHz band radios have different legal values. Here we only
* check that it fits in an 8-bit variabl*/
assert(chan <= UINT8_MAX);
dev->chan = chan;
res = sizeof(uint16_t);
break;
}
case NETOPT_ADDRESS:
assert(len <= sizeof(dev->short_addr));
memset(dev->short_addr, 0, sizeof(dev->short_addr));
memcpy(dev->short_addr, value, len);
res = sizeof(dev->short_addr);
break;
case NETOPT_ADDRESS_LONG:
assert(len <= sizeof(dev->long_addr));
memset(dev->long_addr, 0, sizeof(dev->long_addr));
memcpy(dev->long_addr, value, len);
res = sizeof(dev->long_addr);
break;
case NETOPT_ADDR_LEN:
case NETOPT_SRC_LEN:
assert(len == sizeof(uint16_t));
res = sizeof(uint16_t);
switch ((*(uint16_t *)value)) {
case IEEE802154_SHORT_ADDRESS_LEN:
dev->flags &= ~NETDEV_IEEE802154_SRC_MODE_LONG;
break;
case IEEE802154_LONG_ADDRESS_LEN:
dev->flags |= NETDEV_IEEE802154_SRC_MODE_LONG;
break;
default:
res = -EAFNOSUPPORT;
break;
}
break;
case NETOPT_NID:
assert(len == sizeof(dev->pan));
dev->pan = *((uint16_t *)value);
res = sizeof(dev->pan);
break;
case NETOPT_ACK_REQ:
if ((*(bool *)value)) {
dev->flags |= NETDEV_IEEE802154_ACK_REQ;
}
else {
dev->flags &= ~NETDEV_IEEE802154_ACK_REQ;
}
res = sizeof(uint16_t);
break;
case NETOPT_RAWMODE:
if ((*(bool *)value)) {
dev->flags |= NETDEV_IEEE802154_RAW;
}
else {
dev->flags &= ~NETDEV_IEEE802154_RAW;
}
res = sizeof(uint16_t);
break;
#ifdef MODULE_GNRC
case NETOPT_PROTO:
assert(len == sizeof(gnrc_nettype_t));
dev->proto = *((gnrc_nettype_t *)value);
res = sizeof(gnrc_nettype_t);
break;
#endif
#ifdef MODULE_L2FILTER
case NETOPT_L2FILTER:
res = l2filter_add(dev->netdev.filter, value, len);
break;
case NETOPT_L2FILTER_RM:
res = l2filter_rm(dev->netdev.filter, value, len);
break;
#endif
default:
break;
}
return res;
}
/** @} */