> > Hannes, Thanks for your testing ! > > > > simply revising MAX_TX_BUF_LEN to 0x4000 will cause incorrect TX > configuration... > > I mean you can try to put a gso size limit of 0x4000 (or 0x5000).... > > I tested both values with multi-gigabyte nfsv4 traffic and both values are ok. > If I understand you correctly 0x4000 is a safe limit?
Since Win7 driver uses 15000 bytes as its max packet length for TSO, I think 0x3C00 is more safer than 0x4000. :) Thanks Xiong