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Message-Id: <20211117210451.26415-11-ansuelsmth@gmail.com>
Date:   Wed, 17 Nov 2021 22:04:42 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Ansuel Smith <ansuelsmth@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [net-next PATCH 10/19] net: dsa: qca8k: add support for port fast aging

The switch doesn't support fast aging but it does support the flush of
the ARL table for a specific port. Add this function to simulate
fast aging and proprely support stp state set.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/net/dsa/qca8k.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index cf4f69b36b47..d73886b36e6a 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1823,6 +1823,16 @@ qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
 			   QCA8K_PORT_LOOKUP_MEMBER, BIT(cpu_port));
 }
 
+static void
+qca8k_port_fast_age(struct dsa_switch *ds, int port)
+{
+	struct qca8k_priv *priv = ds->priv;
+
+	mutex_lock(&priv->reg_mutex);
+	qca8k_fdb_access(priv, QCA8K_FDB_FLUSH_PORT, port);
+	mutex_unlock(&priv->reg_mutex);
+}
+
 static int
 qca8k_port_enable(struct dsa_switch *ds, int port,
 		  struct phy_device *phy)
@@ -2031,6 +2041,7 @@ static const struct dsa_switch_ops qca8k_switch_ops = {
 	.port_stp_state_set	= qca8k_port_stp_state_set,
 	.port_bridge_join	= qca8k_port_bridge_join,
 	.port_bridge_leave	= qca8k_port_bridge_leave,
+	.port_fast_age		= qca8k_port_fast_age,
 	.port_fdb_add		= qca8k_port_fdb_add,
 	.port_fdb_del		= qca8k_port_fdb_del,
 	.port_fdb_dump		= qca8k_port_fdb_dump,
-- 
2.32.0

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