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gnrc_ipv6_nib: gnrc_netif_iid_to_addr() instead of _reverse_iid()

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Martine Lenders 2018-11-29 14:20:09 +01:00 committed by Martine Lenders
parent a44f7f7b38
commit bc1b490086
1 changed files with 3 additions and 42 deletions
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45
sys/net/gnrc/network_layer/ipv6/nib/_nib-6ln.c
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@ -36,47 +36,6 @@ static inline bool _is_iface_eui64(gnrc_netif_t *netif, const eui64_t *eui64)
(memcmp(&netif->l2addr, eui64, netif->l2addr_len) == 0);
}
static inline uint8_t _reverse_iid(const ipv6_addr_t *dst,
const gnrc_netif_t *netif, uint8_t *l2addr)
{
switch (netif->device_type) {
#if defined(MODULE_NETDEV_ETH) || defined(MODULE_ESP_NOW)
case NETDEV_TYPE_ETHERNET:
case NETDEV_TYPE_ESP_NOW:
l2addr[0] = dst->u8[8] ^ 0x02;
l2addr[1] = dst->u8[9];
l2addr[2] = dst->u8[10];
l2addr[3] = dst->u8[13];
l2addr[4] = dst->u8[14];
l2addr[5] = dst->u8[15];
return ETHERNET_ADDR_LEN;
#endif /* defined(MODULE_NETDEV_ETH) || defined(MODULE_ESP_NOW) */
#if defined(MODULE_NETDEV_IEEE802154) || defined(MODULE_XBEE)
case NETDEV_TYPE_IEEE802154:
/* assume address was based on EUI-64
* (see https://tools.ietf.org/html/rfc6775#section-5.2) */
memcpy(l2addr, &dst->u64[1], sizeof(dst->u64[1]));
l2addr[0] ^= 0x02;
return sizeof(dst->u64[1]);
#endif /* defined(MODULE_NETDEV_IEEE802154) || defined(MODULE_XBEE) */
#ifdef MODULE_NRFMIN
case NETDEV_TYPE_NRFMIN:
l2addr[0] = dst->u8[14];
l2addr[1] = dst->u8[15];
return sizeof(uint16_t);
#endif /* MODULE_NETDEV_IEEE802154 */
#ifdef MODULE_CC110X
case NETDEV_TYPE_CC110X:
l2addr[0] = dst->u8[15];
return sizeof(uint8_t);
#endif /* MODULE_CC110X */
default:
(void)dst;
(void)l2addr;
return 0;
}
}
bool _resolve_addr_from_ipv6(const ipv6_addr_t *dst, gnrc_netif_t *netif,
gnrc_ipv6_nib_nc_t *nce)
{
@ -86,7 +45,9 @@ bool _resolve_addr_from_ipv6(const ipv6_addr_t *dst, gnrc_netif_t *netif,
if (res) {
uint8_t l2addr_len;
if ((l2addr_len = _reverse_iid(dst, netif, nce->l2addr)) > 0) {
if ((l2addr_len = gnrc_netif_ipv6_iid_to_addr(netif,
(eui64_t *)&dst->u64[1],
nce->l2addr)) > 0) {
DEBUG("nib: resolve address %s%%%u by reverse translating to ",
ipv6_addr_to_str(addr_str, dst, sizeof(addr_str)),
(unsigned)netif->pid);