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Merge pull request #20259 from fabian18/pr/gnrc/ipv6/nib_rejoin_ip6_mcast

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gnrc/ipv6/nib: rejoin ipv6_addr_all_nodes_link_local on interface up
This commit is contained in:
benpicco 2024-01-16 15:11:53 +00:00 committed by GitHub
commit c1ae2ecb9f
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2 changed files with 12 additions and 9 deletions
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2
sys/net/gnrc/network_layer/ipv6/nib/_nib-router.h
View File

@ -53,8 +53,6 @@ static inline void _init_iface_router(gnrc_netif_t *netif)
if (IS_ACTIVE(CONFIG_GNRC_IPV6_NIB_6LBR)) {
netif->flags |= GNRC_NETIF_FLAGS_6LO_ABR;
}
gnrc_netif_ipv6_group_join_internal(netif, &ipv6_addr_all_routers_link_local);
}
/**

19
sys/net/gnrc/network_layer/ipv6/nib/nib.c
View File

@ -145,6 +145,14 @@ void gnrc_ipv6_nib_iface_up(gnrc_netif_t *netif)
_init_iface_arsm(netif);
netif->ipv6.rs_sent = 0;
netif->ipv6.na_sent = 0;
#if IS_ACTIVE(CONFIG_GNRC_IPV6_NIB_ROUTER)
if (gnrc_netif_ipv6_group_join_internal(netif, &ipv6_addr_all_routers_link_local)) {
DEBUG("nib: Can't join link-local all-routers on interface %u\n", netif->pid);
}
#endif
if (gnrc_netif_ipv6_group_join_internal(netif, &ipv6_addr_all_nodes_link_local) < 0) {
DEBUG("nib: Can't join link-local all-nodes on interface %u\n", netif->pid);
}
_add_static_lladdr(netif);
_auto_configure_addr(netif, &ipv6_addr_link_local_prefix, 64U);
if (_should_search_rtr(netif)) {
@ -190,6 +198,10 @@ void gnrc_ipv6_nib_iface_down(gnrc_netif_t *netif, bool send_final_ra)
gnrc_netif_ipv6_addr_remove_internal(netif, &netif->ipv6.addrs[i]);
}
}
gnrc_netif_ipv6_group_leave_internal(netif, &ipv6_addr_all_nodes_link_local);
#if IS_ACTIVE(CONFIG_GNRC_IPV6_NIB_ROUTER)
gnrc_netif_ipv6_group_leave_internal(netif, &ipv6_addr_all_routers_link_local);
#endif
gnrc_netif_release(netif);
}
@ -208,13 +220,6 @@ void gnrc_ipv6_nib_init_iface(gnrc_netif_t *netif)
#endif /* CONFIG_GNRC_IPV6_NIB_SLAAC || CONFIG_GNRC_IPV6_NIB_6LN */
_init_iface_router(netif);
gnrc_netif_init_6ln(netif);
if (gnrc_netif_ipv6_group_join_internal(netif,
&ipv6_addr_all_nodes_link_local) < 0) {
DEBUG("nib: Can't join link-local all-nodes on interface %u\n",
netif->pid);
gnrc_netif_release(netif);
return;
}
gnrc_netif_release(netif);
}