Commit 6a61d4db authored Dec 03, 2015 by Nicolas Dichtel Committed by David S. Miller Dec 04, 2015

gre6: allow to update all parameters via rtnl



Parameters were updated only if the kernel was unable to find the tunnel
with the new parameters, ie only if core pamareters were updated (keys,
addr, link, type).
Now it's possible to update ttl, hoplimit, flowinfo and flags.

Fixes: c12b395a ("gre: Support GRE over IPv6")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent fe53985a

net/ipv6/ip6_gre.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -1571,13 +1571,11 @@ static int ip6gre_changelink(struct net_device dev, struct nlattr tb[],
		return -EEXIST;
		} else {
		t = nt;
		}

		ip6gre_tunnel_unlink(ign, t);
		ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
		ip6gre_tunnel_link(ign, t);
		netdev_state_change(dev);
		}

		return 0;
		}