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Altera_Forum's avatar
Altera_Forum
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15 years ago

Does Ethernet need delay time when sending a packet?

Hi,when i try to send out a packet with a for loop.It can't be send.(i inspect through the wireshark).However, when i add the while loop like this: while(1) { For(i=0;i<20;i++) { ...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Presumably the modified code sends lots of packets.

If you are trying to send a single packet only (from a test program) you'll need to ensure the program doesn't exit/return immediately and that is likely to reset everything.

I'm not sure what your 'SEND PACKET' does, but clearly it can also fail due to lack of buffers of fifo space (etc) in the MAC engine (unless your code runs slower than ethernet line rate).