Thanks! You are right. I mis-understood net->ifindex. I think I need
to instead hold the net pointer in the new ipv6_ac_addrlist structure.
Do you see a problem with that?
On Mon, Oct 22, 2018 at 10:26 PM Eric Dumazet <eric.duma...@gmail.com> wrote:
>
>
>
> On 10/22/2018 07:12 PM, Jeff Barnhill wrote:
> > icmp6_send() function is expensive on systems with a large number of
> > interfaces. Every time it’s called, it has to verify that the source
> > address does not correspond to an existing anycast address by looping
> > through every device and every anycast address on the device. This can
> > result in significant delays for a CPU when there are a large number of
> > neighbors and ND timers are frequently timing out and calling
> > neigh_invalidate().
> >
> > Add anycast addresses to a global hashtable to allow quick searching for
> > matching anycast addresses. This is based on inet6_addr_lst in addrconf.c.
> >
>
> I do not see this patch being netns aware ?
>
> Also I believe you misunderstood what was stored in net->ifindex
> You can look at dev_new_index() for what I mean.
>
