From: Niko Kortstrom niko.kortstrom@nokia.com
[ Upstream commit 690afc165bb314354667f67157c1a1aea7dc797a ]
Support for moving IPv4 GRE tunnels between namespaces was added in commit b57708add314 ("gre: add x-netns support"). The respective change for IPv6 tunnels, commit 22f08069e8b4 ("ip6gre: add x-netns support") did not drop NETIF_F_NETNS_LOCAL flag so moving them from one netns to another is still denied in IPv6 case. Drop NETIF_F_NETNS_LOCAL flag from ip6gre tunnels to allow moving ip6gre tunnel endpoints between network namespaces.
Signed-off-by: Niko Kortstrom niko.kortstrom@nokia.com Acked-by: Nicolas Dichtel nicolas.dichtel@6wind.com Acked-by: William Tu u9012063@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv6/ip6_gre.c | 3 --- 1 file changed, 3 deletions(-)
--- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1486,7 +1486,6 @@ static int ip6gre_tunnel_init_common(str dev->mtu -= 8;
if (tunnel->parms.collect_md) { - dev->features |= NETIF_F_NETNS_LOCAL; netif_keep_dst(dev); } ip6gre_tnl_init_features(dev); @@ -1914,7 +1913,6 @@ static void ip6gre_tap_setup(struct net_ dev->needs_free_netdev = true; dev->priv_destructor = ip6gre_dev_free;
- dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; netif_keep_dst(dev); @@ -2223,7 +2221,6 @@ static void ip6erspan_tap_setup(struct n dev->needs_free_netdev = true; dev->priv_destructor = ip6gre_dev_free;
- dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; netif_keep_dst(dev);