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imx6solo ENET TXF vs TXB

Question asked by kun wang on Aug 18, 2019
Latest reply on Aug 19, 2019 by igorpadykov

hello,

I got a problem about TXF and TXB when i send one fram of size 128 byte.

i have only one BD. sendbuffer is 64 byte align.   BD addr is  4096 align.

1.  when bd.flag= Last | wrap |ready,  Both TXF and TXB  flag will not be set. MX6Q_X_DES_ACTIVE will not be clear.

 

2.  when bd.flag= wrap| ready, ONLY TXB flag will be set, TXF will not be set. MX6Q_X_DES_ACTIVE  will be clear.

 

 

Can you give some suggestion?

Thanks!

 

Philip

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