[net-next PATCH v2 7/9] net: dsa: qca8k: add support for port fast aging
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: 2021-11-22 01:04:32
Also in:
lkml
Subsystem:
networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
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> --- drivers/net/dsa/qca8k.c | 11 +++++++++++ drivers/net/dsa/qca8k.h | 1 + 2 files changed, 12 insertions(+)
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 57ba387a4aa1..1ff951b6fe07 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c@@ -1776,6 +1776,16 @@ 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)
@@ -1984,6 +1994,7 @@ 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,
diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
index 91c94dfc9789..a533b8cf143b 100644
--- 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, };
--
2.32.0