On 12/31/17 9:14 AM, Ido Schimmel wrote:
> To make IPv6 more in line with IPv4 we need to be able to respond
> differently to different netdev events. For example, when a netdev is
> unregistered all the routes using it as their nexthop device should be
> flushed, whereas when the netdev's carrier changes only the 'linkdown'
> flag should be toggled.
>
> Currently, this is not possible, as the function that traverses the
> routing tables is not aware of the triggering event.
>
> Propagate the triggering event down, so that it could be used in later
> patches.
>
> Signed-off-by: Ido Schimmel <ido...@mellanox.com>
> ---
> include/net/ip6_route.h | 1 +
> net/ipv6/addrconf.c | 4 ++--
> net/ipv6/route.c | 35 ++++++++++++++++++++---------------
> 3 files changed, 23 insertions(+), 17 deletions(-)
>
> diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
> index caad39198c2a..8205402ff3dc 100644
> --- a/include/net/ip6_route.h
> +++ b/include/net/ip6_route.h
rt6_ifdown is done with this change, so the declaration of rt6_ifdown
can be removed from this file as well.
> @@ -170,6 +170,7 @@ void rt6_mtu_change(struct net_device *dev, unsigned int
> mtu);
> void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
> void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
> void rt6_sync_up(struct net_device *dev, unsigned int nh_flags);
> +void rt6_disable_ip(struct net_device *dev, unsigned long event);
>
> static inline const struct rt6_info *skb_rt6_info(const struct sk_buff *skb)
> {
