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Clean up LWIP_NETIF_HWADDRHINT a bit: create a struct holding the hint(s) and pass a pointer to that struct around. That way we are free to add more hints if required (e.g. see task #11620)

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This commit is contained in:
goldsimon
2017-04-27 12:38:53 +02:00
parent 7617a76b19
commit 6aac9377ee
12 changed files with 74 additions and 63 deletions
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8
src/core/ipv6/nd6.c
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@@ -1907,9 +1907,9 @@ nd6_get_next_hop_entry(const ip6_addr_t *ip6addr, struct netif *netif)
IP6_ADDR_ZONECHECK_NETIF(ip6addr, netif);
#if LWIP_NETIF_HWADDRHINT
if (netif->addr_hint != NULL) {
if (netif->hints != NULL) {
/* per-pcb cached entry was given */
u8_t addr_hint = *(netif->addr_hint);
u8_t addr_hint = netif->hints->addr_hint;
if (addr_hint < LWIP_ND6_NUM_DESTINATIONS) {
nd6_cached_destination_index = addr_hint;
}
@@ -1968,9 +1968,9 @@ nd6_get_next_hop_entry(const ip6_addr_t *ip6addr, struct netif *netif)
}
#if LWIP_NETIF_HWADDRHINT
if (netif->addr_hint != NULL) {
if (netif->hints != NULL) {
/* per-pcb cached entry was given */
*(netif->addr_hint) = nd6_cached_destination_index;
netif->hints->addr_hint = nd6_cached_destination_index;
}
#endif /* LWIP_NETIF_HWADDRHINT */