On Fri, Feb 03, 2017 at 11:16:16AM +0200, Julian Anastasov wrote:
>
> Hello,
>
> On Fri, 3 Feb 2017, Steffen Klassert wrote:
> >
> > I thought about this (completely untested) one:
> >
> > static void xfrm_confirm_neigh(const struct dst_entry *dst, const void
> > *daddr)
> >
> > {
> >
Hello,
On Fri, 3 Feb 2017, Steffen Klassert wrote:
> On Thu, Feb 02, 2017 at 01:04:34AM +0200, Julian Anastasov wrote:
> >
> > It may sounds good. But only dst->path->ops->confirm_neigh
> > points to real IPv4/IPv6 function. And also, I guess, the
> > family can change while walking
On Thu, Feb 02, 2017 at 01:04:34AM +0200, Julian Anastasov wrote:
>
> Hello,
>
> On Wed, 1 Feb 2017, Steffen Klassert wrote:
>
> >
> > I think here it is better to go through the whole chain
> > of transformations with
> >
> > child->ops->confirm_neigh(path, daddr);
>
> It may sou
Hello,
On Wed, 1 Feb 2017, Steffen Klassert wrote:
> On Tue, Jan 31, 2017 at 11:57:05PM +0200, Julian Anastasov wrote:
> >
> > +static void xfrm_confirm_neigh(const struct dst_entry *dst, const void
> > *daddr)
> > +{
> > + const struct dst_entry *path = dst->path;
> > +
> > + if
On Tue, Jan 31, 2017 at 11:57:05PM +0200, Julian Anastasov wrote:
>
> static unsigned int ip6_blackhole_mtu(const struct dst_entry *dst)
> diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
> index 177e208..c010ee0 100644
> --- a/net/xfrm/xfrm_policy.c
> +++ b/net/xfrm/xfrm_policy.c
>
Add confirm_neigh method to dst_ops and use it from IPv4 and IPv6
to lookup and confirm the neighbour. Its usage via the new helper
dst_confirm_neigh() should be restricted to MSG_PROBE users for
performance reasons.
Signed-off-by: Julian Anastasov
Acked-by: Eric Dumazet
---
include/net/arp.h
