From 4592538bfb0d5d3c3c8a1d7071724d081412ac91 Mon Sep 17 00:00:00 2001 From: Ansuel Smith 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 Reviewed-by: Vladimir Oltean Signed-off-by: David S. Miller --- 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) @@ -2005,6 +2015,7 @@ 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, };