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ng_ndp: code restructuring

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Some code restructuring to be in line with other code of similar format.
This commit is contained in:
Martine Lenders 2015-06-19 15:42:37 +02:00
parent 910ade1fb2
commit 1e4f8b4837
1 changed files with 13 additions and 15 deletions
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28
sys/net/network_layer/ng_ndp/ng_ndp.c
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@ -528,7 +528,6 @@ kernel_pid_t ng_ndp_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_len,
ng_pktsnip_t *ng_ndp_nbr_sol_build(ng_ipv6_addr_t *tgt, ng_pktsnip_t *options)
{
ng_pktsnip_t *pkt;
ng_ndp_nbr_sol_t *nbr_sol;
DEBUG("ndp: building neighbor solicitation message\n");
@ -540,9 +539,10 @@ ng_pktsnip_t *ng_ndp_nbr_sol_build(ng_ipv6_addr_t *tgt, ng_pktsnip_t *options)
pkt = ng_icmpv6_build(options, NG_ICMPV6_NBR_SOL, 0, sizeof(ng_ndp_nbr_sol_t));
if (pkt != NULL) {
nbr_sol = pkt->data;
ng_ndp_nbr_sol_t *nbr_sol = pkt->data;
nbr_sol->resv.u32 = 0;
memcpy(&nbr_sol->tgt, tgt, sizeof(ng_ipv6_addr_t));
nbr_sol->tgt.u64[0].u64 = tgt->u64[0].u64;
nbr_sol->tgt.u64[1].u64 = tgt->u64[1].u64;
}
return pkt;
@ -552,7 +552,6 @@ ng_pktsnip_t *ng_ndp_nbr_adv_build(uint8_t flags, ng_ipv6_addr_t *tgt,
ng_pktsnip_t *options)
{
ng_pktsnip_t *pkt;
ng_ndp_nbr_adv_t *nbr_adv;
DEBUG("ndp: building neighbor advertisement message\n");
@ -563,15 +562,14 @@ ng_pktsnip_t *ng_ndp_nbr_adv_build(uint8_t flags, ng_ipv6_addr_t *tgt,
pkt = ng_icmpv6_build(options, NG_ICMPV6_NBR_ADV, 0, sizeof(ng_ndp_nbr_adv_t));
if (pkt == NULL) {
return NULL;
if (pkt != NULL) {
ng_ndp_nbr_adv_t *nbr_adv = pkt->data;
nbr_adv->flags = (flags & NG_NDP_NBR_ADV_FLAGS_MASK);
nbr_adv->resv[0] = nbr_adv->resv[1] = nbr_adv->resv[2] = 0;
nbr_adv->tgt.u64[0].u64 = tgt->u64[0].u64;
nbr_adv->tgt.u64[1].u64 = tgt->u64[1].u64;
}
nbr_adv = pkt->data;
nbr_adv->flags = (flags & NG_NDP_NBR_ADV_FLAGS_MASK);
nbr_adv->resv[0] = nbr_adv->resv[1] = nbr_adv->resv[2] = 0;
memcpy(&nbr_adv->tgt, tgt, sizeof(ng_ipv6_addr_t));
return pkt;
}
@ -681,10 +679,10 @@ static void _send_nbr_sol(kernel_pid_t iface, ng_ipv6_addr_t *tgt,
return;
}
LL_PREPEND(pkt, hdr);
((ng_netif_hdr_t *)hdr->data)->if_pid = iface;
LL_PREPEND(pkt, hdr);
ng_netapi_send(ng_ipv6_pid, pkt);
}
@ -759,10 +757,10 @@ static void _send_nbr_adv(kernel_pid_t iface, ng_ipv6_addr_t *tgt,
return;
}
LL_PREPEND(pkt, hdr);
((ng_netif_hdr_t *)hdr->data)->if_pid = iface;
LL_PREPEND(pkt, hdr);
if (ng_ipv6_netif_addr_is_non_unicast(tgt)) {
/* avoid collision for anycast addresses
* (see https://tools.ietf.org/html/rfc4861#section-7.2.7) */