Linux Networking --- Bridge

When I am doing research on open virtual switch, which is different from Cisco's distributed Nexus 1000 virtual switch,  found its command format is similar to original Linux bridge.

My Linux networking experience will start here.  This is just the log for my own expertise upgrading experience. To start,  I will dive in the following:
1.) Document: http://lxr.linux.no/#linux+v3.6.1/Documentation/networking/bridge.txt
2.) Source Code : http://lxr.linux.no/#linux+v3.6.1/net/bridge/