netdev - [PATCHv4 net-next 3/3] bonding: support xfrm state update

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Message-ID: <20240821105003.547460-4-liuhangbin@gmail.com>
Date: Wed, 21 Aug 2024 18:50:03 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: 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>,
	Nikolay Aleksandrov <razor@...ckwall.org>,
	Tariq Toukan <tariqt@...dia.com>,
	Jianbo Liu <jianbol@...dia.com>,
	Sabrina Dubroca <sd@...asysnail.net>,
	Simon Horman <horms@...nel.org>,
	Steffen Klassert <steffen.klassert@...unet.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv4 net-next 3/3] bonding: support xfrm state update

The patch add xfrm statistics update for bonding IPsec offload.

Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>
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 2fffc5956545..e4e73664cd35 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -674,11 +674,36 @@ 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_ratelimited("%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 */
 
-- 
2.45.0