Subject: Re: [PATCH ipsec-next 1/2] xfrm: Support ESN context update to hardware for TX

From: Leon Romanovsky <[email-masked]>
Date: Tue, 7 Jan 2025 14:09:05 +0200

On Tue, Jan 07, 2025 at 12:56:33PM +0100, Steffen Klassert wrote:
> On Tue, Jan 07, 2025 at 12:22:04PM +0200, Leon Romanovsky wrote:
> > On Thu, Dec 19, 2024 at 02:37:29PM +0200, Leon Romanovsky wrote:
> > > From: Jianbo Liu <[email-masked]>
> > > 
> > > Previously xfrm_dev_state_advance_esn() was added for RX only. But
> > > it's possible that ESN context also need to be synced to hardware for
> > > TX, so call it for outbound in this patch.
> > > 
> > > Signed-off-by: Jianbo Liu <[email-masked]>
> > > Signed-off-by: Leon Romanovsky <[email-masked]>
> > > ---
> > >  Documentation/networking/xfrm_device.rst                 | 3 ++-
> > >  drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c          | 3 +++
> > >  drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 3 +++
> > >  net/xfrm/xfrm_replay.c                                   | 1 +
> > >  4 files changed, 9 insertions(+), 1 deletion(-)
> > 
> > Steffen,
> > 
> > This is kindly reminder.
> 
> Sorry for the dealy, the holidays came faster than expected :)
> 
> > > diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
> > > index bc56c6305725..e500aebbad22 100644
> > > --- a/net/xfrm/xfrm_replay.c
> > > +++ b/net/xfrm/xfrm_replay.c
> > > @@ -729,6 +729,7 @@ static int xfrm_replay_overflow_offload_esn(struct xfrm_state *x, struct sk_buff
> > >  		}
> > >  
> > >  		replay_esn->oseq = oseq;
> > > +		xfrm_dev_state_advance_esn(x);
> 
> This is the only line of code that this patchset adds
> to the xfrm stack, so merging this through mlx5 might
> create less conflicts.
> 
> In case you want to do that, you can add my 'Acked-by'
> to this patch. Otherwise I'll pull it into the ipsec-next
> tree tomorrow.

Let's do it through your tree, please. IMHO, it is more appropriate.

Thanks