The recently updated ALE APIs cpsw_ale_del_mcast() and
cpsw_ale_del_vlan_modify() have an issue and will not delete ALE entry even
if VLAN/mcast group has no more members. Hence fix it here and delete ALE
entry if !port_mask.
The issue affected only new cpsw switchdev driver.
Fixes: e85c14370783 ("net: ethernet: ti: ale: modify vlan/mdb api for switchdev")
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
drivers/net/ethernet/ti/cpsw_ale.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 929f3d3354e3..a5179ecfea05 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -396,12 +396,14 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
if (port_mask) {
mcast_members = cpsw_ale_get_port_mask(ale_entry,
ale->port_mask_bits);
- mcast_members &= ~port_mask;
- cpsw_ale_set_port_mask(ale_entry, mcast_members,
+ port_mask = mcast_members & ~port_mask;
+ }
+
+ if (port_mask)
+ cpsw_ale_set_port_mask(ale_entry, port_mask,
ale->port_mask_bits);
- } else {
+ else
cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
- }
cpsw_ale_write(ale, idx, ale_entry);
return 0;
@@ -478,6 +480,10 @@ static void cpsw_ale_del_vlan_modify(struct cpsw_ale *ale, u32 *ale_entry,
members = cpsw_ale_get_vlan_member_list(ale_entry,
ale->vlan_field_bits);
members &= ~port_mask;
+ if (!members) {
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+ return;
+ }
untag = cpsw_ale_get_vlan_untag_force(ale_entry,
ale->vlan_field_bits);
--
2.17.1
