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ng_ipv6_netif: use EUI-64 as base for 6LoWPAN IPv6 addresses

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[RFC 6775](https://tools.ietf.org/html/rfc6775#section-1.3) suggests
strongly to use the EUI-64 as basis for the IPv6 addresses, since
otherwise duplicate address detection and some measures to give new
addresses (in case of duplicate) e.g. DHCPv6 needs to be in place.
This commit is contained in:
Martine Lenders 2015-07-13 20:53:57 +02:00
parent bbe6547263
commit 618df44837
1 changed files with 5 additions and 0 deletions
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5
sys/net/network_layer/ng_ipv6/netif/ng_ipv6_netif.c
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@ -473,8 +473,13 @@ void ng_ipv6_netif_init_by_dev(void)
if ((ng_netapi_get(ifs[i], NETCONF_OPT_PROTO, 0, &if_type,
sizeof(if_type)) != -ENOTSUP) &&
(if_type == NG_NETTYPE_SIXLOWPAN)) {
uint16_t src_len = 8;
DEBUG("Set 6LoWPAN flag\n");
ipv6_ifs[i].flags |= NG_IPV6_NETIF_FLAGS_SIXLOWPAN;
/* use EUI-64 (8-byte address) for IID generation and for sending
* packets */
ng_netapi_set(ifs[i], NETCONF_OPT_SRC_LEN, 0, &src_len,
sizeof(src_len)); /* don't care for result */
}
#endif