diff options
| -rw-r--r-- | include/net/if_inet6.h | 2 | ||||
| -rw-r--r-- | net/ipv6/addrconf.c | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index f1063d62cd13..100fb8cec17c 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -71,6 +71,8 @@ struct inet6_ifaddr { struct inet6_ifaddr *ifpub; int regen_count; #endif + bool tokenized; + struct rcu_head rcu; }; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 713ebe303f61..28b61e89bbb8 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -878,6 +878,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, ifa->prefix_len = pfxlen; ifa->flags = flags | IFA_F_TENTATIVE; ifa->cstamp = ifa->tstamp = jiffies; + ifa->tokenized = false; ifa->rt = rt; @@ -2134,6 +2135,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao) struct inet6_ifaddr *ifp; struct in6_addr addr; int create = 0, update_lft = 0; + bool tokenized = false; if (pinfo->prefix_len == 64) { memcpy(&addr, &pinfo->prefix, 8); @@ -2143,6 +2145,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao) memcpy(addr.s6_addr + 8, in6_dev->token.s6_addr + 8, 8); read_unlock_bh(&in6_dev->lock); + tokenized = true; } else if (ipv6_generate_eui64(addr.s6_addr + 8, dev) && ipv6_inherit_eui64(addr.s6_addr + 8, in6_dev)) { in6_dev_put(in6_dev); @@ -2185,6 +2188,7 @@ ok: update_lft = create = 1; ifp->cstamp = jiffies; + ifp->tokenized = tokenized; addrconf_dad_start(ifp); } @@ -4339,8 +4343,7 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token) /* Well, that's kinda nasty ... */ list_for_each_entry(ifp, &idev->addr_list, if_list) { spin_lock(&ifp->lock); - if (ipv6_addr_src_scope(&ifp->addr) == - IPV6_ADDR_SCOPE_GLOBAL) { + if (ifp->tokenized) { ifp->valid_lft = 0; ifp->prefered_lft = 0; } |