From: Hannes Frederic Sowa Date: Tue, 15 Dec 2015 21:59:12 +0000 (+0100) Subject: ipv6: automatically enable stable privacy mode if stable_secret set X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9b29c6962b70f232cde4076b1020191e1be0889d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ipv6: automatically enable stable privacy mode if stable_secret set 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: 622c81d57b392cc ("ipv6: generation of stable privacy addresses for link-local and autoconf") Reported-by: Bjørn Mork Cc: Bjørn Mork Signed-off-by: Hannes Frederic Sowa Signed-off-by: David S. Miller --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a57d3d17a620..17f8e7ea133b 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -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);