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Pending fix for bug #37993: IPv6 Does Not Subscribe to Link-Local

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All-Nodes Multicast Group By Default
This commit is contained in:
Ivan Delamer 2015-03-18 11:20:16 -06:00
parent f139b14a3c
commit 5812b22662
1 changed files with 13 additions and 0 deletions
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13
src/netif/ethernetif.c
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@ -101,6 +101,19 @@ low_level_init(struct netif *netif)
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
#if LWIP_IPV6 && LWIP_IPV6_MLD
/*
* For hardware/netifs that implement MAC filtering.
* All-nodes link-local is handled by default, so we must let the hardware know
* to allow multicast packets in.
* Should set mld_mac_filter previously. */
if (netif->mld_mac_filter != NULL) {
ip6_addr_t ip6_allnodes_ll;
ip6_addr_set_allnodes_linklocal(&ip6_allnodes_ll);
netif->mld_mac_filter(netif, &ip6_allnodes_ll, MLD6_ADD_MAC_FILTER);
}
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
/* Do whatever else is needed to initialize interface. */
}