1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 0579b2243bb6..3ae83879a75f 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -443,6 +443,35 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask)
         return 0;
 }
 
+void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti)
+{
+        u32 ale_entry[ALE_ENTRY_WORDS];
+        int type, idx;
+        int unreg_mcast = 0;
+
+        /* Only bother doing the work if the setting is actually changing */
+        if (ale->allmulti == allmulti)
+                return;
+
+        /* Remember the new setting to check against next time */
+        ale->allmulti = allmulti;
+
+        for (idx = 0; idx < ale->params.ale_entries; idx++) {
+                cpsw_ale_read(ale, idx, ale_entry);
+                type = cpsw_ale_get_entry_type(ale_entry);
+                if (type != ALE_TYPE_VLAN)
+                        continue;
+
+                unreg_mcast = cpsw_ale_get_vlan_unreg_mcast(ale_entry);
+                if (allmulti)
+                        unreg_mcast |= 1;
+                else
+                        unreg_mcast &= ~1;
+                cpsw_ale_set_vlan_unreg_mcast(ale_entry, unreg_mcast);
+                cpsw_ale_write(ale, idx, ale_entry);
+        }
+}
+
 struct ale_control_info {
         const char      *name;
         int             offset, port_offset;