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 | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 929f3d3354e3..ecdbde539eb7 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -384,7 +384,7 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
int flags, u16 vid)
{
u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
- int mcast_members;
+ int mcast_members = 0;
int idx;
idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);
@@ -397,11 +397,13 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
mcast_members = cpsw_ale_get_port_mask(ale_entry,
ale->port_mask_bits);
mcast_members &= ~port_mask;
+ }
+
+ if (mcast_members)
cpsw_ale_set_port_mask(ale_entry, mcast_members,
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
