In the phy chip arm ping host host wireshark can catch arp packets, but the host ping tcpdump to hold the bag, the arm board and ifconfig - a:
RX packets: 0 errors: 468 received are wrong bag, not ping error packet also will continue to increase,
This is a hardware problem or drive problem, please? Incorrect package phy can receive data but the data is wrong, it can be understand?

CodePudding user response:

Feeling is receiving message is not normal, send a message to normal

CodePudding user response:

Can try to print out phy standard register information see, see the register this quote any mistake, again according to deeply analyze the register information,

As for the printing function, can be placed phy_state_machine () this function, this function is used to detect link connection status, usually once every 1 s execution,