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ipv6: automatically enable stable privacy mode if stable_secret set

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Bjørn reported that while we switch all interfaces to privacy stable mode
when setting the secret, we don't set this mode for new interfaces. This
does not make sense, so change this behaviour.

Fixes: 622c81d57b ("ipv6: generation of stable privacy addresses for link-local and autoconf")
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa 2015-12-15 22:59:12 +01:00 committed by David S. Miller
parent 130ed5d105
commit 9b29c6962b
1 changed files with 6 additions and 0 deletions
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6
net/ipv6/addrconf.c
View file

@ -350,6 +350,12 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
setup_timer(&ndev->rs_timer, addrconf_rs_timer,
(unsigned long)ndev);
memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));
if (ndev->cnf.stable_secret.initialized)
ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
else
ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64;
ndev->cnf.mtu6 = dev->mtu;
ndev->cnf.sysctl = NULL;
ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl);