SPRZ578A December   2024  – July 2025 AM2752-Q1 , AM2754-Q1

 

  1.   1
  2.   Abstract
  3. 1Usage Notes and Advisories Matrices
    1. 1.1 Devices Supported
  4. 2Silicon Revision Usage Notes and Advisories
    1. 2.1 Silicon Usage Notes
      1.      i2284
      2.      i2351
      3.      i2424
    2. 2.2 Silicon Advisories
      1.      i2049
      2.      i2062
      3.      i2120
      4.      i2137
      5.      i2189
      6.      i2196
      7.      i2199
      8.      i2249
      9.      i2253
      10.      i2278
      11.      i2279
      12.      i2310
      13.      i2311
      14.      i2312
      15.      i2377
      16.      i2383
      17.      i2401
      18.      i2427
      19.      i2431
      20.      i2435
      21.      i2436
      22.      i2438
      23.      i2449
      24.      i2455
  5. 3Trademarks
  6. 4Revision History

i2438

CPSW: Host to Ethernet Checksum Generation with VLAN ADD/Remove

Details:

When the CPSW host to Ethernet checksum generation is enabled on HW and a VLAN tag is added or removed on Ethernet egress, a packet from host to Ethernet is corrupted and sent as garbage with a GOOD CRC – which is not acceptable.

Workaround(s):

VLAN tags must not be added or removed on Ethernet egress for packets that have a generated checksum.