Re: [PATCH net-next 3/3] xfrm: Add ESN support for IPSec HW offload

[Shannon Nelson]

On 11/30/2017 10:23 PM, Steffen Klassert wrote:
> On Tue, Nov 28, 2017 at 11:49:30AM +0200, yossefe@xxxxxxxxxxxx wrote:
> > From: Yossef Efraim <yossefe@xxxxxxxxxxxx>
> >
> > This patch adds ESN support to IPsec device offload.
> > Adding new xfrm device operation to synchronize device ESN.
> >
> > Signed-off-by: Yossef Efraim <yossefe@xxxxxxxxxxxx>
> > ---
> >   include/linux/netdevice.h |  1 +
> >   include/net/xfrm.h        | 12 ++++++++++++
> >   net/xfrm/xfrm_device.c    |  4 ++--
> >   net/xfrm/xfrm_replay.c    |  2 ++
> >   4 files changed, 17 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index 7de7656..d4e9198 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> > @@ -825,6 +825,7 @@ struct xfrmdev_ops {
> >   	void	(*xdo_dev_state_free) (struct xfrm_state *x);
> >   	bool	(*xdo_dev_offload_ok) (struct sk_buff *skb,
> >   				       struct xfrm_state *x);
> > +	void	(*xdo_dev_state_advance_esn) (struct xfrm_state *x);
>
> We now have a documentation for the xfrm offloadin API in the
> ipsec-next tree. Please document the new device operation
> there and resubmit.

Please be sure to specify what the offloading driver is expected to do 
with this.

sln

> Thanks!