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net: dsa: lantiq: Add fast age function 

Fast aging per port is not supported directly by the hardware, it is
only possible to configure a global aging time.

Do the fast aging by iterating over the MAC forwarding table and remove
all dynamic entries for a given port.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hauke Mehrtens 2019-05-06 00:25:09 +02:00 committed by David S. Miller
parent 9bbb1c053b
commit 4581348199
1 changed files with 40 additions and 0 deletions
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40
drivers/net/dsa/lantiq_gswip.c
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@ -213,6 +213,8 @@
#define GSWIP_TABLE_ACTIVE_VLAN 0x01
#define GSWIP_TABLE_VLAN_MAPPING 0x02
#define GSWIP_TABLE_MAC_BRIDGE 0x0b
#define GSWIP_TABLE_MAC_BRIDGE_STATIC 0x01 /* Static not, aging entry */
#define XRX200_GPHY_FW_ALIGN (16 * 1024)
@ -1220,6 +1222,43 @@ static int gswip_port_vlan_del(struct dsa_switch *ds, int port,
return 0;
}
static void gswip_port_fast_age(struct dsa_switch *ds, int port)
{
struct gswip_priv *priv = ds->priv;
struct gswip_pce_table_entry mac_bridge = {0,};
int i;
int err;
for (i = 0; i < 2048; i++) {
mac_bridge.table = GSWIP_TABLE_MAC_BRIDGE;
mac_bridge.index = i;
err = gswip_pce_table_entry_read(priv, &mac_bridge);
if (err) {
dev_err(priv->dev, "failed to read mac brigde: %d\n",
err);
return;
}
if (!mac_bridge.valid)
continue;
if (mac_bridge.val[1] & GSWIP_TABLE_MAC_BRIDGE_STATIC)
continue;
if (((mac_bridge.val[0] & GENMASK(7, 4)) >> 4) != port)
continue;
mac_bridge.valid = false;
err = gswip_pce_table_entry_write(priv, &mac_bridge);
if (err) {
dev_err(priv->dev, "failed to write mac brigde: %d\n",
err);
return;
}
}
}
static void gswip_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
{
struct gswip_priv *priv = ds->priv;
@ -1460,6 +1499,7 @@ static const struct dsa_switch_ops gswip_switch_ops = {
.port_disable = gswip_port_disable,
.port_bridge_join = gswip_port_bridge_join,
.port_bridge_leave = gswip_port_bridge_leave,
.port_fast_age = gswip_port_fast_age,
.port_vlan_filtering = gswip_port_vlan_filtering,
.port_vlan_prepare = gswip_port_vlan_prepare,
.port_vlan_add = gswip_port_vlan_add,