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

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Message-ID: <Z35Sk688mOcePbJE@gauss3.secunet.de>
Date: Wed, 8 Jan 2025 11:25:23 +0100
From: Steffen Klassert <steffen.klassert@...unet.com>
To: Leon Romanovsky <leon@...nel.org>
CC: Jianbo Liu <jianbol@...dia.com>, Andrew Lunn <andrew+netdev@...n.ch>,
	"Eric Dumazet" <edumazet@...gle.com>, Herbert Xu
	<herbert@...dor.apana.org.au>, Jakub Kicinski <kuba@...nel.org>, Jonathan
 Corbet <corbet@....net>, <linux-doc@...r.kernel.org>,
	<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>, Paolo Abeni
	<pabeni@...hat.com>, "Potnuri Bharat Teja" <bharat@...lsio.com>, Saeed
 Mahameed <saeedm@...dia.com>, Tariq Toukan <tariqt@...dia.com>
Subject: Re: [PATCH ipsec-next 1/2] xfrm: Support ESN context update to
 hardware for TX

On Tue, Jan 07, 2025 at 02:09:05PM +0200, Leon Romanovsky wrote:
> 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 <jianbol@...dia.com>
> > > > 
> > > > 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 <jianbol@...dia.com>
> > > > Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> > > > ---
> > > >  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.

Ok, series applied to ipsec-next, thanks everyone!