diff options
| -rw-r--r-- | include/linux/in6.h | 9 | ||||
| -rw-r--r-- | net/ipv6/addrconf.c | 15 |
2 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/in6.h b/include/linux/in6.h index a16e19349ec0..34edf1f6c9a3 100644 --- a/include/linux/in6.h +++ b/include/linux/in6.h @@ -36,4 +36,13 @@ extern const struct in6_addr in6addr_linklocal_allnodes; extern const struct in6_addr in6addr_linklocal_allrouters; #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } +extern const struct in6_addr in6addr_interfacelocal_allnodes; +#define IN6ADDR_INTERFACELOCAL_ALLNODES_INIT \ + { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } +extern const struct in6_addr in6addr_interfacelocal_allrouters; +#define IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT \ + { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } +extern const struct in6_addr in6addr_sitelocal_allrouters; +#define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \ + { { { 0xff,5,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } } #endif diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index bd9f9360f769..86c235d05aba 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -244,6 +244,9 @@ const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT; const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT; const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_INIT; const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT; +const struct in6_addr in6addr_interfacelocal_allnodes = IN6ADDR_INTERFACELOCAL_ALLNODES_INIT; +const struct in6_addr in6addr_interfacelocal_allrouters = IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT; +const struct in6_addr in6addr_sitelocal_allrouters = IN6ADDR_SITELOCAL_ALLROUTERS_INIT; /* Check if a valid qdisc is available */ static inline bool addrconf_qdisc_ok(const struct net_device *dev) @@ -428,6 +431,9 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) /* protected by rtnl_lock */ rcu_assign_pointer(dev->ip6_ptr, ndev); + /* Join interface-local all-node multicast group */ + ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allnodes); + /* Join all-node multicast group */ ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes); @@ -611,10 +617,15 @@ static void dev_forward_change(struct inet6_dev *idev) if (idev->cnf.forwarding) dev_disable_lro(dev); if (dev->flags & IFF_MULTICAST) { - if (idev->cnf.forwarding) + if (idev->cnf.forwarding) { ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters); - else + ipv6_dev_mc_inc(dev, &in6addr_interfacelocal_allrouters); + ipv6_dev_mc_inc(dev, &in6addr_sitelocal_allrouters); + } else { ipv6_dev_mc_dec(dev, &in6addr_linklocal_allrouters); + ipv6_dev_mc_dec(dev, &in6addr_interfacelocal_allrouters); + ipv6_dev_mc_dec(dev, &in6addr_sitelocal_allrouters); + } } list_for_each_entry(ifa, &idev->addr_list, if_list) { |