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ng_ndp: expand documentation on ng_ipv6_nc_t::nbr_adv_timer

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This commit is contained in:
Martine Lenders 2015-06-09 19:34:34 +02:00
parent 70abb0c4ed
commit 2bdf22af97
2 changed files with 8 additions and 1 deletions
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6
sys/include/net/ng_ipv6/nc.h
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@ -134,6 +134,12 @@ typedef struct {
/**
* @brief Delay timer for neighbor advertisements of this entry.
*
* @note Only needed for delayed anycast neighbor advertisements
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-7.2.7">
* RFC 4861, section 7.2.7
* </a>
*/
vtimer_t nbr_adv_timer;

3
sys/net/network_layer/ng_ndp/ng_ndp.c
View File

@ -686,7 +686,8 @@ static void _send_nbr_adv(kernel_pid_t iface, ng_ipv6_addr_t *tgt,
((ng_netif_hdr_t *)hdr->data)->if_pid = iface;
if (ng_ipv6_netif_addr_is_non_unicast(tgt)) {
/* avoid collision for anycast addresses */
/* avoid collision for anycast addresses
* (see https://tools.ietf.org/html/rfc4861#section-7.2.7) */
timex_t delay = { _rand(0, NG_NDP_MAX_AC_TGT_DELAY), 0 };
ng_ipv6_nc_t *nc_entry = ng_ipv6_nc_get(iface, tgt);