On 03/09/2017 05:32 PM, Hans Dedecker wrote: > Trigger interface update event when IPv6 address lifetime changes by setting > the address indicator flag to inform external subsystems about IPv6 address > lifetime change. > > Signed-off-by: Hans Dedecker <dedec...@gmail.com>
AFAICT, this will cause a lot of ifupdate events in big IPv6 networks (for
example, some large mesh networks based on Gluon have more than 4000 client
and 5-10 radvds, often causing more than one RA per second, each updating
valid/preferred lifetimes). We *really* want to avoid causing lots of
reloads for services that set triggers on interface updates; the majority
of services is not interested in the lifetimes of addresses at all.
Matthias
> ---
> interface-ip.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/interface-ip.c b/interface-ip.c
> index ddca5d2..366f69a 100644
> --- a/interface-ip.c
> +++ b/interface-ip.c
> @@ -563,8 +563,10 @@ interface_update_proto_addr(struct vlist_tree *tree,
> keep = false;
>
> if (a_old->valid_until != a_new->valid_until ||
> - a_old->preferred_until !=
> a_new->preferred_until)
> + a_old->preferred_until !=
> a_new->preferred_until) {
> + iface->updated |= IUF_ADDRESS;
> replace = true;
> + }
>
> if ((a_new->flags & DEVADDR_FAMILY) == DEVADDR_INET4 &&
> a_new->broadcast != a_old->broadcast)
>
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