diff options
| author |   Sabrina Dubroca <sd@queasysnail.net> | 2018-07-09 12:25:17 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-07-11 22:50:45 -0700 |
| commit | f24c5987dddd28b23443e7b21b55d47549207755 (patch) | |
| tree | ebd3a72e1e6ea27d245660ce987b42573cffe37a /net/ipv6/addrconf.c | |
| parent | net/ipv6: reserve room for IFLA_INET6_ADDR_GEN_MODE (diff) | |
| download | linux-dev-f24c5987dddd28b23443e7b21b55d47549207755.tar.xz linux-dev-f24c5987dddd28b23443e7b21b55d47549207755.zip | |
net/ipv6: propagate net.ipv6.conf.all.addr_gen_mode to devices
This aligns the addr_gen_mode sysctl with the expected behavior of the
"all" variant.
Fixes: d35a00b8e33d ("net/ipv6: allow sysctl to change link-local address generation mode")
Suggested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv6/addrconf.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e89bca83e0e4..1659a6b3cf42 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -5926,6 +5926,18 @@ static int addrconf_sysctl_addr_gen_mode(struct ctl_table *ctl, int write, idev->cnf.addr_gen_mode = new_val; addrconf_dev_config(idev->dev); } + } else if (&net->ipv6.devconf_all->addr_gen_mode == ctl->data) { + struct net_device *dev; + + net->ipv6.devconf_dflt->addr_gen_mode = new_val; + for_each_netdev(net, dev) { + idev = __in6_dev_get(dev); + if (idev && + idev->cnf.addr_gen_mode != new_val) { + idev->cnf.addr_gen_mode = new_val; + addrconf_dev_config(idev->dev); + } + } } *((u32 *)ctl->data) = new_val; |