Hi James, I observed, from your email that you are using igb driver version (4.0.17) that does not support enable/disable EEE through Ethtool.
Please try latest igb-driver(4.1.2) - it is on Sourceforge. Regards, Akeem G. Abodunrin Linux Development LAN Access Division Intel Corporation -----Original Message----- From: James Troup [mailto:ja...@linuxterminal.com] Sent: Tuesday, January 08, 2013 4:53 AM To: e1000-devel@lists.sourceforge.net Subject: [E1000-devel] Ethtool to controll EEE Hi ! Thanks in advance. I have a 2 Dell servers with Intel® Ethernet Server Adapter I350-T4 NICs Do you have a build of ethtool that can access EEE ? # ./ethtool --show-eee eth3 Cannot get EEE settings: Operation not supported I am running DRBD with crossover cables and the NICs switch themselves off when there is no traffic. I have passed the module parameter to disable EEE (EEE=0) but the NICs are still doing the same. If I could get ethtool to control EEE then I could configure Xenserver to pass the ethtool command. I have recently compiled ethtool & igb driver. # ./ethtool --version ethtool version 3.7 # uname -a Linux XS01 2.6.32.43-0.4.1.xs1.6.10.734.170748xen #1 SMP Mon Sep 10 13:28:39 EDT 2012 i686 i686 i386 GNU/Linux # modinfo igb filename: /lib/modules/2.6.32.43-0.4.1.xs1.6.10.734.170748xen/kernel/drivers/net/igb/igb.ko version: 4.0.17 license: GPL description: Intel(R) Gigabit Ethernet Network Driver author: Intel Corporation, <e1000-devel@lists.sourceforge.net<mailto:e1000-devel@lists.sourceforge.net>> srcversion: BCB38D2CABB33E0A1BA8385 alias: pci:v00008086d000010D6sv*sd*bc*sc*i* alias: pci:v00008086d000010A9sv*sd*bc*sc*i* alias: pci:v00008086d000010A7sv*sd*bc*sc*i* alias: pci:v00008086d000010E8sv*sd*bc*sc*i* alias: pci:v00008086d00001526sv*sd*bc*sc*i* alias: pci:v00008086d0000150Dsv*sd*bc*sc*i* alias: pci:v00008086d000010E7sv*sd*bc*sc*i* alias: pci:v00008086d000010E6sv*sd*bc*sc*i* alias: pci:v00008086d00001518sv*sd*bc*sc*i* alias: pci:v00008086d0000150Asv*sd*bc*sc*i* alias: pci:v00008086d000010C9sv*sd*bc*sc*i* alias: pci:v00008086d00000440sv*sd*bc*sc*i* alias: pci:v00008086d0000043Csv*sd*bc*sc*i* alias: pci:v00008086d0000043Asv*sd*bc*sc*i* alias: pci:v00008086d00000438sv*sd*bc*sc*i* alias: pci:v00008086d00001516sv*sd*bc*sc*i* alias: pci:v00008086d00001511sv*sd*bc*sc*i* alias: pci:v00008086d00001510sv*sd*bc*sc*i* alias: pci:v00008086d00001527sv*sd*bc*sc*i* alias: pci:v00008086d0000150Fsv*sd*bc*sc*i* alias: pci:v00008086d0000150Esv*sd*bc*sc*i* alias: pci:v00008086d00001524sv*sd*bc*sc*i* alias: pci:v00008086d00001523sv*sd*bc*sc*i* alias: pci:v00008086d00001522sv*sd*bc*sc*i* alias: pci:v00008086d00001521sv*sd*bc*sc*i* alias: pci:v00008086d00001539sv*sd*bc*sc*i* alias: pci:v00008086d00001538sv*sd*bc*sc*i* alias: pci:v00008086d00001537sv*sd*bc*sc*i* alias: pci:v00008086d00001536sv*sd*bc*sc*i* alias: pci:v00008086d00001533sv*sd*bc*sc*i* depends: vermagic: 2.6.32.43-0.4.1.xs1.6.10.734.170748xen SMP mod_unload modversions Xen 686 parm: InterruptThrottleRate:Maximum interrupts per second, per vector, (max 100000), default 3=adaptive (array of int) parm: IntMode:Change Interrupt Mode (0=Legacy, 1=MSI, 2=MSI-X), default 2 (array of int) parm: Node:set the starting node to allocate memory on, default -1 (array of int) parm: LLIPort:Low Latency Interrupt TCP Port (0-65535), default 0=off (array of int) parm: LLIPush:Low Latency Interrupt on TCP Push flag (0,1), default 0=off (array of int) parm: LLISize:Low Latency Interrupt on Packet Size (0-1500), default 0=off (array of int) parm: RSS:Number of Receive-Side Scaling Descriptor Queues (0-8), default 1, 0=number of cpus (array of int) parm: VMDQ:Number of Virtual Machine Device Queues: 0-1 = disable, 2-8 enable, default 0 (array of int) parm: max_vfs:Number of Virtual Functions: 0 = disable, 1-7 enable, default 0 (array of int) parm: MDD:Malicious Driver Detection (0/1), default 1 = enabled. Only available when max_vfs is greater than 0 (array of int) parm: QueuePairs:Enable Tx/Rx queue pairs for interrupt handling (0,1), default 1=on (array of int) parm: EEE:Enable/disable on parts that support the feature (array of int) parm: DMAC:Disable or set latency for DMA Coalescing ((0=off, 1000-10000(msec), 250, 500 (usec)) (array of int) parm: LRO:Large Receive Offload (0,1), default 0=off (array of int) parm: debug:Debug level (0=none, ..., 16=all) (int)
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