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From 4592538bfb0d5d3c3c8a1d7071724d081412ac91 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Mon, 22 Nov 2021 16:23:46 +0100
Subject: net: dsa: qca8k: add support for port fast aging
The switch supports fast aging by flushing any rule in the ARL
table for a specific port.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/qca8k.c | 11 +++++++++++
drivers/net/dsa/qca8k.h | 1 +
2 files changed, 12 insertions(+)
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1790,6 +1790,16 @@ qca8k_port_bridge_leave(struct dsa_switc
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)
@@ -1998,6 +2008,7 @@ static const struct dsa_switch_ops qca8k
.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,
--- a/drivers/net/dsa/qca8k.h
+++ b/drivers/net/dsa/qca8k.h
@@ -262,6 +262,7 @@ enum qca8k_fdb_cmd {
QCA8K_FDB_FLUSH = 1,
QCA8K_FDB_LOAD = 2,
QCA8K_FDB_PURGE = 3,
+ QCA8K_FDB_FLUSH_PORT = 5,
QCA8K_FDB_NEXT = 6,
QCA8K_FDB_SEARCH = 7,
};
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