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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>
This commit is contained in:
Ansuel Smith 2021-11-22 16:23:46 +01:00 committed by David S. Miller
parent c126f118b3
commit 4592538bfb
2 changed files with 12 additions and 0 deletions
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11
drivers/net/dsa/qca8k.c
View File

@ -1786,6 +1786,16 @@ 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)
@ -1994,6 +2004,7 @@ 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,

1
drivers/net/dsa/qca8k.h
View File

@ -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,
};