1 files changed, 53 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/759-net-next-net-dsa-qca8k-add-support-for-port-fast-aging.patch b/pkgs/patches-linux-5.15/759-net-next-net-dsa-qca8k-add-support-for-port-fast-aging.patch
new file mode 100644
index 0000000..973446e
--- /dev/null
+++ b/pkgs/patches-linux-5.15/759-net-next-net-dsa-qca8k-add-support-for-port-fast-aging.patch
@@ -0,0 +1,53 @@
+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,
+ };