netdev - Re: [PATCH net-next 3/3] nfp: implement xfrm callbacks and expose ipsec offload feature to upper layer

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Date:   Wed, 7 Sep 2022 21:06:30 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com
Subject: Re: [PATCH net-next 3/3] nfp: implement xfrm callbacks and expose
 ipsec offload feature to upper layer

On Wed, Sep 07, 2022 at 11:47:58AM +0200, Simon Horman wrote:
> From: Huanhuan Wang <huanhuan.wang@...igine.com>
> 
> Xfrm callbacks are implemented to offload SA info into firmware
> by mailbox. It supports 16K SA info in total.
> 
> Expose ipsec offload feature to upper layer, this feature will
> signal the availability of the offload.
> 
> Based on initial work of Norm Bagley <norman.bagley@...ronome.com>.
> 
> Signed-off-by: Huanhuan Wang <huanhuan.wang@...igine.com>
> Reviewed-by: Louis Peens <louis.peens@...igine.com>
> Signed-off-by: Simon Horman <simon.horman@...igine.com>
> ---
>  .../net/ethernet/netronome/nfp/crypto/ipsec.c | 552 +++++++++++++++++-
>  .../ethernet/netronome/nfp/nfp_net_common.c   |   6 +
>  .../net/ethernet/netronome/nfp/nfp_net_ctrl.h |   4 +-
>  3 files changed, 558 insertions(+), 4 deletions(-)

<...>

> +	if (x->props.flags & XFRM_STATE_ESN)
> +		cfg->ctrl_word.ext_seq = 1;
> +	else
> +		cfg->ctrl_word.ext_seq = 0;

Don't you need to implement xdo_dev_state_advance_esn() too?

Thanks