On 07/03/14 17:51, Rick Macklem wrote:
> Well, I took a quick look at the driver and it does use m_defrag(), but > I think that the "retry:" label it does a goto after doing so might be in > the wrong place. > > The attached untested patch might fix this. > > Is it convenient to build a kernel with this patch applied and then try > it with TSO enabled? Patch applied to both client and server (both nics use if_em), net.inet.tcp.tso=1 With a cold 5GB transfer, I see a fairly steady mid 60s MB/s reading on the client. I'm happy BTW. The throughput is now sufficient for my application. HTH, Russell > > rick > ps: It does have the transmit segment limit set to 32. I have no idea if > this is a hardware limitation. > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"