What is Rx/Tx/Gnd?

The meaning of TX is original in the word transmit, which means sending. The meaning of transmitting Rx is original in the word receive, which means receiving, and receiving TX: transmit transfer RX: when receive receives the traffic from the wan nic in intterface, RX indicates the downstream traffic. TX indicates the upstream traffic. When the traffic from the LAN Nic is viewed, RX indicates the upstream traffic. TX indicates the downstream traffic. Gnd indicates the ground or ground..

Wext/mac80211/nl80211/201780211

• Wireless-extensions-old wireless driver framework
• Mac80211 -- API for softmac driver
• 201780211 -- new configuration API
• Nl80211 -- New User Control<-> Kernel space communication mode