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Original question:

AM2632: CPSW3G configuration and ethernet packet transmission issue

AM2632: CPSW Phy loopback example is not working

Shitanshu Desai
Prodigy 50 points
Part Number: AM2632

Tool/software:

Hi,

CPSW Phy loopback example is not working in mcu_plus_sdk_am263x_10_00_00_35 SDK (software-dl.ti.com/.../EXAMPLES_ENET_CPSW_LOOPBACK.html). I am not able to receive the data back in Rx buffer. I am executing the loopback example as is. Please let me know if any fixes are required in loopback example. 

Thank you,

Shitanshu Desai

  • 0
    TI__Genius 16272 points

    Hi Shitanshu Desai,

    I test the same application on AM263x-LP from v10.00.00.35 SDK, I do see the Rx and Tx stats matching, and the application working as expected. 

    1. Can you please share more details about what failure do you see?

    2. Which Rx buffer are you referencing?

    3. Can you compare my logs (Attached below) with yours and see if you see PHY Link up and alive as well as CPSW Handle link up and Open MAC Port logs?

    For reference, I have attached my logs and .out file.

    Fullscreen am263x-lp_phy_end_loopback_logs.txt Download 
    =============================
 Enet Loopback: Iteration 1 
=============================
CPSW_3G Test
EnetAppUtils_reduceCoreMacAllocation: Reduced Mac Address Allocation for CoreId:0 From 4 To 2 
Open MAC port 1
EnetPhy_bindDriver:1842 
PHY 3 is alive
PHY 12 is alive
initQs() txFreePktInfoQ initialized with 16 pkts
Cpsw_handleLinkUp:1626 
Received 5000 packets
Delete EnetApp_rxTask() and exit..
Transmitted 5000 packets 
Delete EnetApp_txTask() and exit..

 Port 0 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000


 Port 1 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000

Cpsw_handleLinkDown:1652 
Test complete: PASS
=============================
 Enet Loopback: Iteration 2 
=============================
CPSW_3G Test
EnetAppUtils_reduceCoreMacAllocation: Reduced Mac Address Allocation for CoreId:0 From 4 To 2 
Open MAC port 1
EnetPhy_bindDriver:1842 
PHY 3 is alive
PHY 12 is alive
initQs() txFreePktInfoQ initialized with 16 pkts
Cpsw_handleLinkUp:1626 
Received 5000 packets
Delete EnetApp_rxTask() and exit..
Transmitted 5000 packets 
Delete EnetApp_txTask() and exit..

 Port 0 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000


 Port 1 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000

Cpsw_handleLinkDown:1652 
Test complete: PASS
=============================
 Enet Loopback: Iteration 3 
=============================
CPSW_3G Test
EnetAppUtils_reduceCoreMacAllocation: Reduced Mac Address Allocation for CoreId:0 From 4 To 2 
Open MAC port 1
EnetPhy_bindDriver:1842 
PHY 3 is alive
PHY 12 is alive
initQs() txFreePktInfoQ initialized with 16 pkts
Cpsw_handleLinkUp:1626 
Received 5000 packets
Delete EnetApp_rxTask() and exit..
Transmitted 5000 packets 
Delete EnetApp_txTask() and exit..

 Port 0 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000


 Port 1 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000

Cpsw_handleLinkDown:1652 
Test complete: PASS
=============================
 Enet Loopback: Iteration 4 
=============================
CPSW_3G Test
EnetAppUtils_reduceCoreMacAllocation: Reduced Mac Address Allocation for CoreId:0 From 4 To 1 
Open MAC port 1
EnetPhy_bindDriver:1842 
PHY 3 is alive
PHY 12 is alive
initQs() txFreePktInfoQ initialized with 16 pkts
Cpsw_handleLinkUp:1626 
Received 5000 packets
Delete EnetApp_rxTask() and exit..
Transmitted 5000 packets 
Delete EnetApp_txTask() and exit..

 Port 0 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000


 Port 1 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000

Cpsw_handleLinkDown:1652 
Test complete: PASS
=============================
 Enet Loopback: Iteration 5 
=============================
CPSW_3G Test
EnetAppUtils_reduceCoreMacAllocation: Reduced Mac Address Allocation for CoreId:0 From 4 To 1 
Open MAC port 1
EnetPhy_bindDriver:1842 
PHY 3 is alive
PHY 12 is alive
initQs() txFreePktInfoQ initialized with 16 pkts
Cpsw_handleLinkUp:1626 
Received 5000 packets
Delete EnetApp_rxTask() and exit..
Transmitted 5000 packets 
Delete EnetApp_txTask() and exit..

 Port 0 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000


 Port 1 Statistics
-----------------------------------------
  rxGoodFrames            = 5000
  rxBcastFrames           = 5000
  rxOctets                = 2590000
  txGoodFrames            = 5000
  txBcastFrames           = 5000
  txOctets                = 2590000
  octetsFrames512to1023   = 10000
  netOctets               = 5180000
  txPri[0]                = 5000
  txPriBcnt[0]            = 2590000

Cpsw_handleLinkDown:1652 
Test complete: PASS
Loopback application completed
All tests have passed!!

    https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/908/enet_5F00_cpsw_5F00_loopback_5F00_phy_5F00_end.release.out

    Regards,
    Shaunak