Re: [E1000-devel] VFS vs MTU
Greg, Thanks for the reply. Steve -Original Message- From: Rose, Gregory V [mailto:gregory.v.r...@intel.com] Sent: Monday, January 30, 2012 12:59 PM To: Steve O'Brien; e1000-devel@lists.sourceforge.net Subject: RE: [E1000-devel] VFS vs MTU > -Original Message- > From: Steve O'Brien [mailto:obr...@velocent.com] > Sent: Monday, January 30, 2012 10:05 AM > To: e1000-devel@lists.sourceforge.net > Subject: Re: [E1000-devel] VFS vs MTU > > > Has anyone else encountered this problem? > > Sorry, my contact info is: > Steve O'Brien > obr...@velocent.com > Sr. Engineer > Velocent Systems If the Intel 10Gig device you're is based on the 82599 controller then there is an errata on that device that prevents use of jumbo frames while in SR-IOV mode. You must disable SR-IOV if you want to use jumbo frames. The driver will not allow any parameter larger than 1500 for those devices when SR-IOV mode is enabled and that is why you are getting the invalid parameter error message. The errata will be fixed in future generations of Intel 10gig controllers. I apologize for the inconvenience. - Greg > > -Original Message- > From: Steve O'Brien [mailto:obr...@velocent.com] > Sent: Thursday, January 26, 2012 1:00 PM > To: 'e1000-devel@lists.sourceforge.net' > Subject: VFS vs MTU > > > Oh, I hope this isn't a dumb question, but I can't set the MTU to 4096 > using SR-IOV. > > I'm using the X520-SR2 dual 82599 NIC with RedHat 6.0. I use 'modprobe > ixgbe max_vfs=4,4`, then try to increase the MTU using 'ifconfig eth2 > mtu 4096', gives me the response `SIOCSIFMTU: Invalid argument`. > > The modprobe appears successful, dmesg is: > > Intel(R) 10 Gigabit PCI Express Network Driver - version 3.7.17-NAPI > Copyright (c) 1999-2011 Intel Corporation. > ixgbe :13:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 ixgbe > :13:00.0: setting latency timer to 64 > ixgbe: I/O Virtualization (IOV) set to 4 > ixgbe: :13:00.0: ixgbe_check_options: FCoE Offload feature > disabled ixgbe :13:00.0: irq 28 for MSI/MSI-X ixgbe :13:00.0: > irq 29 for MSI/MSI-X ixgbe :13:00.0: (PCI Express:2.5GT/s:Width > x8) > 00:1b:21:8e:ae:e4 ixgbe :13:00.0: eth2: MAC: 2, PHY: 15, SFP+: 5, > PBA > No: E68785-003 ixgbe :13:00.0: eth2: Enabled Features: RxQ: 1 TxQ: > 1 LRO ixgbe :13:00.0: eth2: IOV: VF 0 is enabled mac > 36:25:DD:F1:C6:DC ixgbe :13:00.0: eth2: IOV: VF 1 is enabled mac > 3A:98:30:1A:89:9D ixgbe > :13:00.0: eth2: IOV: VF 2 is enabled mac 42:7F:C3:60:78:60 ixgbe > :13:00.0: eth2: IOV: VF 3 is enabled mac 46:70:37:00:FC:8C ixgbe > :13:00.0: eth2: Intel(R) 10 Gigabit Network Connection ixgbe > :13:00.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 ixgbe > :13:00.1: setting latency timer to 64 > ixgbe: I/O Virtualization (IOV) set to 4 > ixgbe: :13:00.1: ixgbe_check_options: FCoE Offload feature > disabled > ADDRCONF(NETDEV_UP): eth2: link is not ready ixgbe :13:00.0: eth2: > detected SFP+: 5 ixgbe :13:00.1: irq 30 for MSI/MSI-X ixgbe > :13:00.1: irq 31 for MSI/MSI-X ixgbe :13:00.1: (PCI > Express:2.5GT/s:Width x8) 00:1b:21:8e:ae:e5 ixgbe :13:00.1: eth3: MAC: > 2, PHY: 15, SFP+: 6, PBA No: E68785-003 ixgbe :13:00.1: eth3: > Enabled > Features: RxQ: 1 TxQ: 1 LRO ixgbe :13:00.1: eth3: IOV: VF 0 is > enabled mac 8A:75:79:3D:91:45 ixgbe :13:00.1: eth3: IOV: VF 1 is > enabled mac > EA:DB:6E:21:CE:D2 ixgbe :13:00.1: eth3: IOV: VF 2 is enabled mac > EE:22:8A:91:7A:AC ixgbe :13:00.1: eth3: IOV: VF 3 is enabled mac > A2:92:0B:65:4A:24 ixgbe :13:00.1: eth3: Intel(R) 10 Gigabit > Network Connection > ADDRCONF(NETDEV_UP): eth3: link is not ready ixgbe :13:00.0: eth2: > NIC Link is Up 10 Gbps, Flow Control: RX/TX > ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready ixgbe :13:00.1: > eth3: detected SFP+: 6 ixgbe :13:00.1: eth3: NIC Link is Up 10 > Gbps, Flow Control: RX/TX > ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready > > > > -- > > > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft > developers is just $99.99! Visual Studio, SharePoint, SQL - plus > HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > ___ > E1000-devel mailing list > E1000-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit
Re: [E1000-devel] VFS vs MTU
> -Original Message- > From: Steve O'Brien [mailto:obr...@velocent.com] > Sent: Monday, January 30, 2012 10:05 AM > To: e1000-devel@lists.sourceforge.net > Subject: Re: [E1000-devel] VFS vs MTU > > > Has anyone else encountered this problem? > > Sorry, my contact info is: > Steve O'Brien > obr...@velocent.com > Sr. Engineer > Velocent Systems If the Intel 10Gig device you're is based on the 82599 controller then there is an errata on that device that prevents use of jumbo frames while in SR-IOV mode. You must disable SR-IOV if you want to use jumbo frames. The driver will not allow any parameter larger than 1500 for those devices when SR-IOV mode is enabled and that is why you are getting the invalid parameter error message. The errata will be fixed in future generations of Intel 10gig controllers. I apologize for the inconvenience. - Greg > > -Original Message- > From: Steve O'Brien [mailto:obr...@velocent.com] > Sent: Thursday, January 26, 2012 1:00 PM > To: 'e1000-devel@lists.sourceforge.net' > Subject: VFS vs MTU > > > Oh, I hope this isn't a dumb question, but I can't set the MTU to 4096 > using SR-IOV. > > I'm using the X520-SR2 dual 82599 NIC with RedHat 6.0. I use 'modprobe > ixgbe max_vfs=4,4`, then try to increase the MTU using 'ifconfig eth2 mtu > 4096', gives me the response `SIOCSIFMTU: Invalid argument`. > > The modprobe appears successful, dmesg is: > > Intel(R) 10 Gigabit PCI Express Network Driver - version 3.7.17-NAPI > Copyright (c) 1999-2011 Intel Corporation. > ixgbe :13:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 ixgbe > :13:00.0: setting latency timer to 64 > ixgbe: I/O Virtualization (IOV) set to 4 > ixgbe: :13:00.0: ixgbe_check_options: FCoE Offload feature disabled > ixgbe :13:00.0: irq 28 for MSI/MSI-X ixgbe :13:00.0: irq 29 for > MSI/MSI-X ixgbe :13:00.0: (PCI Express:2.5GT/s:Width x8) > 00:1b:21:8e:ae:e4 ixgbe :13:00.0: eth2: MAC: 2, PHY: 15, SFP+: 5, PBA > No: E68785-003 ixgbe :13:00.0: eth2: Enabled Features: RxQ: 1 TxQ: 1 > LRO ixgbe :13:00.0: eth2: IOV: VF 0 is enabled mac 36:25:DD:F1:C6:DC > ixgbe :13:00.0: eth2: IOV: VF 1 is enabled mac 3A:98:30:1A:89:9D ixgbe > :13:00.0: eth2: IOV: VF 2 is enabled mac 42:7F:C3:60:78:60 ixgbe > :13:00.0: eth2: IOV: VF 3 is enabled mac 46:70:37:00:FC:8C ixgbe > :13:00.0: eth2: Intel(R) 10 Gigabit Network Connection ixgbe > :13:00.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 ixgbe > :13:00.1: setting latency timer to 64 > ixgbe: I/O Virtualization (IOV) set to 4 > ixgbe: :13:00.1: ixgbe_check_options: FCoE Offload feature disabled > ADDRCONF(NETDEV_UP): eth2: link is not ready ixgbe :13:00.0: eth2: > detected SFP+: 5 ixgbe :13:00.1: irq 30 for MSI/MSI-X ixgbe > :13:00.1: irq 31 for MSI/MSI-X ixgbe :13:00.1: (PCI > Express:2.5GT/s:Width x8) 00:1b:21:8e:ae:e5 ixgbe :13:00.1: eth3: MAC: > 2, PHY: 15, SFP+: 6, PBA No: E68785-003 ixgbe :13:00.1: eth3: Enabled > Features: RxQ: 1 TxQ: 1 LRO ixgbe :13:00.1: eth3: IOV: VF 0 is enabled > mac 8A:75:79:3D:91:45 ixgbe :13:00.1: eth3: IOV: VF 1 is enabled mac > EA:DB:6E:21:CE:D2 ixgbe :13:00.1: eth3: IOV: VF 2 is enabled mac > EE:22:8A:91:7A:AC ixgbe :13:00.1: eth3: IOV: VF 3 is enabled mac > A2:92:0B:65:4A:24 ixgbe :13:00.1: eth3: Intel(R) 10 Gigabit Network > Connection > ADDRCONF(NETDEV_UP): eth3: link is not ready ixgbe :13:00.0: eth2: NIC > Link is Up 10 Gbps, Flow Control: RX/TX > ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready ixgbe :13:00.1: > eth3: detected SFP+: 6 ixgbe :13:00.1: eth3: NIC Link is Up 10 Gbps, > Flow Control: RX/TX > ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready > > > > -- > > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > ___ > E1000-devel mailing list > E1000-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit > http://communities.intel.com/community/wired -- Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTM
Re: [E1000-devel] VFS vs MTU
Has anyone else encountered this problem? Sorry, my contact info is: Steve O'Brien obr...@velocent.com Sr. Engineer Velocent Systems -Original Message- From: Steve O'Brien [mailto:obr...@velocent.com] Sent: Thursday, January 26, 2012 1:00 PM To: 'e1000-devel@lists.sourceforge.net' Subject: VFS vs MTU Oh, I hope this isn't a dumb question, but I can't set the MTU to 4096 using SR-IOV. I'm using the X520-SR2 dual 82599 NIC with RedHat 6.0. I use 'modprobe ixgbe max_vfs=4,4`, then try to increase the MTU using 'ifconfig eth2 mtu 4096', gives me the response `SIOCSIFMTU: Invalid argument`. The modprobe appears successful, dmesg is: Intel(R) 10 Gigabit PCI Express Network Driver - version 3.7.17-NAPI Copyright (c) 1999-2011 Intel Corporation. ixgbe :13:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 ixgbe :13:00.0: setting latency timer to 64 ixgbe: I/O Virtualization (IOV) set to 4 ixgbe: :13:00.0: ixgbe_check_options: FCoE Offload feature disabled ixgbe :13:00.0: irq 28 for MSI/MSI-X ixgbe :13:00.0: irq 29 for MSI/MSI-X ixgbe :13:00.0: (PCI Express:2.5GT/s:Width x8) 00:1b:21:8e:ae:e4 ixgbe :13:00.0: eth2: MAC: 2, PHY: 15, SFP+: 5, PBA No: E68785-003 ixgbe :13:00.0: eth2: Enabled Features: RxQ: 1 TxQ: 1 LRO ixgbe :13:00.0: eth2: IOV: VF 0 is enabled mac 36:25:DD:F1:C6:DC ixgbe :13:00.0: eth2: IOV: VF 1 is enabled mac 3A:98:30:1A:89:9D ixgbe :13:00.0: eth2: IOV: VF 2 is enabled mac 42:7F:C3:60:78:60 ixgbe :13:00.0: eth2: IOV: VF 3 is enabled mac 46:70:37:00:FC:8C ixgbe :13:00.0: eth2: Intel(R) 10 Gigabit Network Connection ixgbe :13:00.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 ixgbe :13:00.1: setting latency timer to 64 ixgbe: I/O Virtualization (IOV) set to 4 ixgbe: :13:00.1: ixgbe_check_options: FCoE Offload feature disabled ADDRCONF(NETDEV_UP): eth2: link is not ready ixgbe :13:00.0: eth2: detected SFP+: 5 ixgbe :13:00.1: irq 30 for MSI/MSI-X ixgbe :13:00.1: irq 31 for MSI/MSI-X ixgbe :13:00.1: (PCI Express:2.5GT/s:Width x8) 00:1b:21:8e:ae:e5 ixgbe :13:00.1: eth3: MAC: 2, PHY: 15, SFP+: 6, PBA No: E68785-003 ixgbe :13:00.1: eth3: Enabled Features: RxQ: 1 TxQ: 1 LRO ixgbe :13:00.1: eth3: IOV: VF 0 is enabled mac 8A:75:79:3D:91:45 ixgbe :13:00.1: eth3: IOV: VF 1 is enabled mac EA:DB:6E:21:CE:D2 ixgbe :13:00.1: eth3: IOV: VF 2 is enabled mac EE:22:8A:91:7A:AC ixgbe :13:00.1: eth3: IOV: VF 3 is enabled mac A2:92:0B:65:4A:24 ixgbe :13:00.1: eth3: Intel(R) 10 Gigabit Network Connection ADDRCONF(NETDEV_UP): eth3: link is not ready ixgbe :13:00.0: eth2: NIC Link is Up 10 Gbps, Flow Control: RX/TX ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready ixgbe :13:00.1: eth3: detected SFP+: 6 ixgbe :13:00.1: eth3: NIC Link is Up 10 Gbps, Flow Control: RX/TX ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready -- Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 ___ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
