maple register: L2_CTRL_0
Details
- Name
- L2_CTRL_0
- Offset
- 3200
- Feature
- ADDRESS_TABLE_LOOKUP
Description
Main L2 configuration register
Fields
| Name | LSB | Bits | Description |
|---|---|---|---|
| RESERVED | 15 | 17 |
|
| MC_BC_SA_TRAP | 14 | 1 |
|
| ZERO_SA_ACT | 12 | 2 |
|
| LUTCAM_EN | 11 | 1 |
Enable the Content Addressable Memory to look up forwarding information (the CAM tables). |
| SECURE_SA | 10 | 1 |
|
| MC_BC_SA_DROP | 9 | 1 |
|
| IP_MC_DIP_CHK | 8 | 1 |
|
| LINK_DOWN_P_INVLD | 7 | 1 |
Enable automatic flushing of all L2 entries associated to a port which changes its link-status to down. |
| SA_ALL_ZERO_LRN | 6 | 1 |
|
| IP_MC_FVID_CMP | 5 | 1 |
|
| IPV6_MC_HASH_KEY_FMT | 3 | 2 |
|
| IPV4_MC_HASH_KEY_FMT | 1 | 2 |
Definition of how the L2 lookup hash for IPV4 multicast packets is calculated: 0: Lookup on Forwarding ID (VLAN or MSTP) and MAC 1: Lookup on source and destination IP 2: Lookup on Destination IP and Forwarding ID |
| L2_HASH_ALGO | 0 | 1 |
Configures the choice between the two different hash algorithms the SoC supports for L2 lookup hashes. |