On Fri, Nov 30, 2007 at 11:02:19PM +1100, Herbert Xu ([EMAIL PROTECTED]) wrote: > OK, this looks like a good change. However, we should also > change NETDEV_UP as well to recreate idev if it isn't there > and the MTU is big enough.
Ok, added netdev_up too. Signed-off-by: Evgeniy Polyakov <[EMAIL PROTECTED]> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 567664e..e8c3475 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2293,6 +2293,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, break; } + if (!idev && dev->mtu >= IPV6_MIN_MTU) + idev = ipv6_add_dev(dev); + if (idev) idev->if_flags |= IF_READY; } else { @@ -2357,12 +2360,18 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, break; case NETDEV_CHANGEMTU: - if ( idev && dev->mtu >= IPV6_MIN_MTU) { + if (idev && dev->mtu >= IPV6_MIN_MTU) { rt6_mtu_change(dev, dev->mtu); idev->cnf.mtu6 = dev->mtu; break; } + if (!idev && dev->mtu >= IPV6_MIN_MTU) { + idev = ipv6_add_dev(dev); + if (idev) + break; + } + /* MTU falled under IPV6_MIN_MTU. Stop IPv6 on this interface. */ case NETDEV_DOWN: -- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html