SPRUJB3C March 2024 – November 2025 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
| 70:69 | 68:66 | 65 | 64:62 | 61:60 | 59:48 | 47 | 46:39 | 38:36 |
| RESERVED | NO_LEARN_MASK | VLAN_FORCE_INGRESS_CHECK | 0h | ENTRY_TYPE (1h) | VLAN_ID | NOFRAG | RESERVED | REG_MCAST_FLOOD_INDEX |
| 35:27 | 26:24 | 23 | 22:15 | 14:12 | 11:3 | 2:0 |
| RESERVED | FORCE_UNTAGGED_EGRESS | LMTNXTHDR | RESERVED | UREGMSK | RESERVED | VLAN_MEMBER_LIST |
No Learn Mask (NO_LEARN_MASK)
When a bit is set in this mask, a packet with an unknown source address received on the associated port will not be learned (i.e. When a VLAN packet is received and the source address is not in the table, the source address will not be added to the table).
VLAN Force Ingress Check (VLAN_FORCE_INGRESS_CHECK)
If the receive port is not a member of this VLAN then the packet is dropped. This is similar to the Iy_REG_Py_VID_INGRESS_CHECK bit in the CPSW3_CPSW_NU_ALE_I0_ALE_PORTCTL0 register except this check is for this VLAN only (not all VLANs).
Table Entry Type (ENTRY_TYPE)
2h: VLAN entry
VLAN ID (VLAN_ID)
The unique identifier for VLAN identification. This is the 12-bit VLAN ID.
(NOFRAG)
VLAN No IPv4 Fragmented frames Control - Causes IPv4 fragmented IP frames to be dropped.
Registered Multicast Flood Index (REG_MCAST_FLOOD_INDEX)
This field indicates which port(s) are the registered multicast flood mask.
Force Untagged Packet Egress (FORCE_UNTAGGED_EGRESS)
This field causes the packet VLAN tag to be removed on egress for the specified port(s) (except on port 0).
VLAN Limit Next Header Control (LMTNXTHDR)
This bit causes frames to be dropped if the Protocol/Nxt Header does not match the CPSW3_CPSW_NU_ALE_ALE_NXT_HDR register values.
VLAN Unregister Multicast Mask (UREGMSK)
This field indicates which port(s) are the unregistered multicast flood mask.
VLAN Member List (VLAN_MEMBER_LIST)
This field indicates which port(s) are members of the associated VLAN. One bit per port.