ipv6: Send netlink notification when DAD fails
If we are managing IPv6 addresses using DHCP, it would be nice for user-space to be notified if an address configured through DHCP fails DAD. Otherwise user-space would have to poll to see whether DAD succeeds. This patch uses the existing notification mechanism and simply hooks it into the DAD failure code path. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1380,6 +1380,8 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
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if (dad_failed)
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ifp->flags |= IFA_F_DADFAILED;
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spin_unlock_bh(&ifp->lock);
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if (dad_failed)
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ipv6_ifa_notify(0, ifp);
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in6_ifa_put(ifp);
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#ifdef CONFIG_IPV6_PRIVACY
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} else if (ifp->flags&IFA_F_TEMPORARY) {
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