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Commit 45813481 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by David S. Miller
Browse files

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: default avatarHauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9bbb1c05

drivers/net/dsa/lantiq_gswip.c

+40 −0
Original line number Diff line number Diff line
@@ -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,