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Commit 27bdb2ab authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
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IPv6: keep tentative addresses in hash table 



When link goes down, want address to be preserved but in a tentative
state, therefore it has to stay in hash list.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 93fa159a

net/ipv6/addrconf.c

+8 −7
Original line number Diff line number Diff line
@@ -2704,10 +2704,10 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
			/* Flag it for later restoration when link comes up */

			ifa->flags |= IFA_F_TENTATIVE;

			in6_ifa_hold(ifa);

			write_unlock_bh(&idev->lock);

		} else {

			list_del(&ifa->if_list);

			ifa->dead = 1;

		}

			write_unlock_bh(&idev->lock);



			/* clear hash table */
@@ -2715,6 +2715,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
			hlist_del_init_rcu(&ifa->addr_lst);

			__in6_ifa_put(ifa);

			spin_unlock_bh(&addrconf_hash_lock);

		}



		__ipv6_ifa_notify(RTM_DELADDR, ifa);

		atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);