Hi Zhihui, Are the adapters connected back to back or through switch. It it's switch, Please check the setting of the switch.
Thanks, Samuel zhihui Chen wrote: > I am not sure what the bug 6716683 means. But even if I send out > big-size (4096) packet and MTU is set to 8000, the packet is still split > to small packet, why? > > intel5# ifconfig ixgbe0 > ixgbe0: flags=201000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,CoS> mtu > 8000 index 6 > inet 10.0.7.5 <http://10.0.7.5> netmask ffffff00 broadcast > 10.0.7.255 <http://10.0.7.255> > ether 0:30:48:94:62:e6 > intel5#netperf -H intel3-7 -l 30 -t TCP_STREAM -- -m 4096 > intel5#snoop -d ixgbe0 to host intel3-7 > ....... > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820833814 Len=1460 Win=56940 > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820835274 Len=1460 Win=56940 > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820836734 Len=1176 Win=56940 > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820837910 Len=1460 Win=56940 > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820839370 Len=1460 Win=56940 > intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 > Seq=1820840830 Len=1176 Win=56940 > ........ > > zhihui > > 2008/6/25, Paul Guo - SUN ERI - Beijing China <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>: > > I guess you now hit the bug 6716683. > http://bugs.opensolaris.org/view_bug.do?bug_id=6716683 > ixgbe tx could send package larger than max_frame_size > > This bug sometimes causes traffic problems when a large > packet is passed to the driver (e.g jumbo frame or lso frame). > There is no workaround for it, but I will put-back the fix > along with the lso support soon. > > Thanks, > Paul > > Thanks, I have used your method to set the MTU to 8000, but big > issues > > rise up > > (1) Ping with msgsize>1476 will not work. > > (2) Ping with msgsize<=1476 works, but the latency become longer. > > (3) Netperf testing can not be executed. Even if I kill the netperf > > process, status of socket created by netperf still remains > > "ESTABLIBSHED", I think "FIN" packet have not been sent out > > successfully by each other. > > Thanks, > > Zhihui > > > > 2008/6/24, Paul Guo - SUN ERI - Beijing China <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>: > > > > You can set default_mtu in /kernel/drv/ixgbe.conf to enable jumbo > > frame. > > Please remember to rem_drv/add_drv or update_drv to make it > to become > > effective. > > Currently we are working on adding/enabling/tuning more > features (such > > as LSO/TSO, multiple > > rings, etc) which will eventually increase the performance > > greatly. Stay > > tuned. > > > > -Paul > > > > > Why the maximum MTU for ixgbe is only 1500, same to e1000g? > > > With 1500 mtu, the maximum throughput using netperf for 10G > > network is > > > less than 3Gbit/s > > > > > > > > > 2008/6/23, Samuel Tu <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>: > > > > > > Glad to know it works. We're go on the development with more > > features > > > supporting. The LSO supporting is coming. > > > > > > Thanks, > > > Samuel > > > > > > zhihui Chen wrote: > > > > > > Thanks a lot. it works now and I can ping from this machine to > > > another machine with another same-type adapter. We will make a > > > detail perfomance testing in next few weeks. > > > Zhihui > > > > > > > > > 2008/6/23, zhihui Chen <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>>: > > > > > > Thank Samuel. I have tried the "add_drv" command and each > time it > > > prints following information: > > > ("ixgbe") already in use as a driver or alias. > > > But I use "modinfo | grep ixgbe" can not find it. > > > What is the problem? > > > Zhihui > > > > > > 2008/6/23, Samuel Tu <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>>: > > > > > > > > > Hi Zhihui, > > > > > > Intel 82598EB (Oplin) is supported by ixgbe which has been > > > integrated > > > into snv_90. The pci ids supported by the current driver are: > > > "pciex8086,10c6" > > > "pciex8086,10c7" > > > > > > The CX4 adapter can also be supported by it but we've not add > > > it it > > > since we've not verified it on such adapter. > > > > > > To make it work, Please manually config it: > > > 1) add_drv -i '"pciex8086,10dd" ixgbe > > > 2) ifconfig ixgbe_# plumb up > > > > > > Please let me know the result. > > > > > > Thanks, > > > Samuel > > > > > > zhihui Chen wrote: > > > > > > I have one 10G network adapter (Intel 82598EB) in my > > > machine. But after installation of SNV_91, I can not find > > > this adapter through "dladm show-dev". Following is the > > > output of "dladm show-dev" and "scanpci" > > > > > > intel5# dladm show-dev > > > LINK STATE SPEED DUPLEX > > > e1000g0 up 1000Mb full > > > e1000g1 up 1000Mb full > > > intel5#/usr/X11R6/bin/scanpci > > > ...... > > > pci bus 0x0008 cardnum 0x00 function 0x00: vendor 0x8086 > > > device 0x10dd > > > Intel Corporation 82598EB 10 Gigabit AT CX4 Network Connection > > > pci bus 0x0008 cardnum 0x00 function 0x01: vendor 0x8086 > > > device 0x10dd > > > Intel Corporation 82598EB 10 Gigabit AT CX4 Network Connection > > > ...... > > > > > > anyone can tell me how to config my system to find the adapter? > > > > > > Thanks, > > > Zhihui > > > > > > > > > > > > ------------------------------------------------------------------------ > > > > > > _______________________________________________ > > > networking-discuss mailing list > > > [email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>> > > > <mailto:[email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>>> > > > <mailto:[email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>> > > > <mailto:[email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>>>> > > > > > > > > > > > > > > > -- zhihui > > > Intel OpenSolaris Team > > > > > > > > > > > > -- > > > zhihui > > > Intel OpenSolaris Team > > > > > > > > > > > > > > > -- > > > zhihui > > > Intel OpenSolaris Team > > > > > > ------------------------------------------------------------------------ > > > > > > _______________________________________________ > > > networking-discuss mailing list > > > [email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>> > > > > > > > > > > > > > -- > > zhihui > > Intel OpenSolaris Team > > > > > -- > zhihui > Intel OpenSolaris Team _______________________________________________ networking-discuss mailing list [email protected]
