net: ethernet: ti: ale: clean ale tbl on init and intf restart

[ Upstream commit 7fe579dfb90fcdf0c7722f33c772d5f0d1bc7cb6 ]

Clean CPSW ALE on init and intf restart (up/down) to avoid reading obsolete
or garbage entries from ALE table.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 84025dcc78d59aea0dfad2708b49a319ad478d1e..e7c24396933e93150fba7526b4722737c6cd2aa0 100644 (file)
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -779,6 +779,7 @@ void cpsw_ale_start(struct cpsw_ale *ale)
 void cpsw_ale_stop(struct cpsw_ale *ale)
 {
        del_timer_sync(&ale->timer);
+       cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
        cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);
 }
 
@@ -862,6 +863,7 @@ struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params)
                                        ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS;
        }
 
+       cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
        return ale;
 }