K 10 svn:author V 3 ray K 8 svn:date V 27 2012-10-15T12:20:40.885413Z K 7 svn:log V 254 Locking for etherswitch framework: * add lock/unlock methods; * add lock/unlock default implementation; * surround switch IOCTLs with locking; * add lock/unlock implementation for arswitch; Submitted by: Luiz Otavio O Souza Approved by: adrian (mentor) END