netdev - Re: [PATCHv2 net-next 3/3] bonding: support xfrm state update

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Message-ID: <8b6747d0-c94a-44fb-9914-cf6cfd04902c@blackwall.org>
Date: Mon, 19 Aug 2024 11:03:22 +0300
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Hangbin Liu <liuhangbin@...il.com>, netdev@...r.kernel.org
Cc: Jay Vosburgh <j.vosburgh@...il.com>,
 "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
 Tariq Toukan <tariqt@...dia.com>, Jianbo Liu <jianbol@...dia.com>,
 Sabrina Dubroca <sd@...asysnail.net>
Subject: Re: [PATCHv2 net-next 3/3] bonding: support xfrm state update

On 19/08/2024 10:53, Hangbin Liu wrote:
> The patch add xfrm statistics update for bonding IPsec offload.
> 
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
> ---
>  drivers/net/bonding/bond_main.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> index 3c04bdba17d4..9e41e34e9039 100644
> --- a/drivers/net/bonding/bond_main.c
> +++ b/drivers/net/bonding/bond_main.c
> @@ -670,11 +670,36 @@ static void bond_advance_esn_state(struct xfrm_state *xs)
>  	rcu_read_unlock();
>  }
>  
> +/**
> + * bond_xfrm_update_stats - Update xfrm state
> + * @xs: pointer to transformer state struct
> + **/
> +static void bond_xfrm_update_stats(struct xfrm_state *xs)
> +{
> +	struct net_device *real_dev;
> +
> +	rcu_read_lock();
> +	real_dev = bond_ipsec_dev(xs);
> +	if (!real_dev)
> +		goto out;
> +
> +	if (!real_dev->xfrmdev_ops ||
> +	    !real_dev->xfrmdev_ops->xdo_dev_state_update_stats) {
> +		pr_warn("%s: %s doesn't support xdo_dev_state_update_stats\n", __func__, real_dev->name);
> +		goto out;
> +	}
> +
> +	real_dev->xfrmdev_ops->xdo_dev_state_update_stats(xs);
> +out:
> +	rcu_read_unlock();
> +}
> +
>  static const struct xfrmdev_ops bond_xfrmdev_ops = {
>  	.xdo_dev_state_add = bond_ipsec_add_sa,
>  	.xdo_dev_state_delete = bond_ipsec_del_sa,
>  	.xdo_dev_offload_ok = bond_ipsec_offload_ok,
>  	.xdo_dev_state_advance_esn = bond_advance_esn_state,
> +	.xdo_dev_state_update_stats = bond_xfrm_update_stats,
>  };
>  #endif /* CONFIG_XFRM_OFFLOAD */
>  


Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>