K 10 svn:author V 8 kientzle K 8 svn:date V 27 2013-02-03T01:08:01.252544Z K 7 svn:log V 652 Another overhaul of the CPSW driver for BeagleBone Major changes: * Finally tracked down the flow control setting that seems to have been causing TX stalls and watchdog timeouts * RX and TX paths now share a lot more code * TX interrupt is no longer used; we instead GC finished tx queue entries at the bottom of the start routine. * TX start now queues fragmented packets directly; it only invokes defrag() for occasional very fragmented packets. * "sysctl dev.cpsw" dumps controller statistics and queue counts * Host Error Interrupt will give extensive debugging information if the controller chokes on the queued data. END