- Linux Base Driver for Intel(R) Ethernet Network Connection¶
- Contents¶
- Identifying Your Adapter¶
- Command Line Parameters¶
- max_vfs¶
- Debug¶
- Additional Features and Configurations¶
- Jumbo Frames¶
- ethtool¶
- Enabling Wake on LAN (WoL)¶
- Multiqueue¶
- MAC and VLAN anti-spoofing feature¶
- Setting MAC Address, VLAN and Rate Limit Using IProute2 Tool¶
- Credit Based Shaper (Qav Mode)¶
- Support¶
- Debian User Forums
- Wheezy on newer Intel i210 ethernet controller
- Wheezy on newer Intel i210 ethernet controller
- Re: Wheezy on newer Intel i210 ethernet controller
- Re: Wheezy on newer Intel i210 ethernet controller
- Re: Wheezy on newer Intel i210 ethernet controller
Linux Base Driver for Intel(R) Ethernet Network Connection¶
Intel Gigabit Linux driver. Copyright(c) 1999-2018 Intel Corporation.
Contents¶
- Identifying Your Adapter
- Command Line Parameters
- Additional Configurations
- Support
Identifying Your Adapter¶
For information on how to identify your adapter, and for the latest Intel network drivers, refer to the Intel Support website: https://www.intel.com/support
Command Line Parameters¶
If the driver is built as a module, the following optional parameters are used by entering them on the command line with the modprobe command using this syntax:
There needs to be a for each network port in the system supported by this driver. The values will be applied to each instance, in function order. For example:
In this case, there are two network ports supported by igb in the system.
NOTE: A descriptor describes a data buffer and attributes related to the data buffer. This information is accessed by the hardware.
max_vfs¶
This parameter adds support for SR-IOV. It causes the driver to spawn up to max_vfs worth of virtual functions. If the value is greater than 0 it will also force the VMDq parameter to be 1 or more.
The parameters for the driver are referenced by position. Thus, if you have a dual port adapter, or more than one adapter in your system, and want N virtual functions per port, you must specify a number for each port with each parameter separated by a comma. For example:
This will spawn 4 VFs on the first port.
This will spawn 2 VFs on the first port and 4 VFs on the second port.
NOTE: Caution must be used in loading the driver with these parameters. Depending on your system configuration, number of slots, etc., it is impossible to predict in all cases where the positions would be on the command line.
NOTE: Neither the device nor the driver control how VFs are mapped into config space. Bus layout will vary by operating system. On operating systems that support it, you can check sysfs to find the mapping.
NOTE: When either SR-IOV mode or VMDq mode is enabled, hardware VLAN filtering and VLAN tag stripping/insertion will remain enabled. Please remove the old VLAN filter before the new VLAN filter is added. For example:
ip link set eth0 vf 0 vlan 100 // set vlan 100 for VF 0 ip link set eth0 vf 0 vlan 0 // Delete vlan 100 ip link set eth0 vf 0 vlan 200 // set a new vlan 200 for VF 0
Debug¶
This parameter adjusts the level debug messages displayed in the system logs.
Additional Features and Configurations¶
Jumbo Frames¶
Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU) to a value larger than the default value of 1500.
Use the ifconfig command to increase the MTU size. For example, enter the following where is the interface number:
Alternatively, you can use the ip command as follows:
ip link set mtu 9000 dev eth ip link set up dev eth
This setting is not saved across reboots. The setting change can be made permanent by adding ‘MTU=9000’ to the file:
NOTE: The maximum MTU setting for Jumbo Frames is 9216. This value coincides with the maximum Jumbo Frames size of 9234 bytes.
NOTE: Using Jumbo frames at 10 or 100 Mbps is not supported and may result in poor performance or loss of link.
ethtool¶
The driver utilizes the ethtool interface for driver configuration and diagnostics, as well as displaying statistical information. The latest ethtool version is required for this functionality. Download it at:
Enabling Wake on LAN (WoL)¶
WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot. For this driver version, in order to enable WoL, the igb driver must be loaded prior to shutting down or suspending the system.
NOTE: Wake on LAN is only supported on port A of multi-port devices. Also Wake On LAN is not supported for the following device: — Intel(R) Gigabit VT Quad Port Server Adapter
Multiqueue¶
In this mode, a separate MSI-X vector is allocated for each queue and one for “other” interrupts such as link status change and errors. All interrupts are throttled via interrupt moderation. Interrupt moderation must be used to avoid interrupt storms while the driver is processing one interrupt. The moderation value should be at least as large as the expected time for the driver to process an interrupt. Multiqueue is off by default.
REQUIREMENTS: MSI-X support is required for Multiqueue. If MSI-X is not found, the system will fallback to MSI or to Legacy interrupts. This driver supports receive multiqueue on all kernels that support MSI-X.
NOTE: On some kernels a reboot is required to switch between single queue mode and multiqueue mode or vice-versa.
MAC and VLAN anti-spoofing feature¶
When a malicious driver attempts to send a spoofed packet, it is dropped by the hardware and not transmitted.
An interrupt is sent to the PF driver notifying it of the spoof attempt. When a spoofed packet is detected, the PF driver will send the following message to the system log (displayed by the “dmesg” command): Spoof event(s) detected on VF(n), where n = the VF that attempted to do the spoofing
Setting MAC Address, VLAN and Rate Limit Using IProute2 Tool¶
You can set a MAC address of a Virtual Function (VF), a default VLAN and the rate limit using the IProute2 tool. Download the latest version of the IProute2 tool from Sourceforge if your version does not have all the features you require.
Credit Based Shaper (Qav Mode)¶
When enabling the CBS qdisc in the hardware offload mode, traffic shaping using the CBS (described in the IEEE 802.1Q-2018 Section 8.6.8.2 and discussed in the Annex L) algorithm will run in the i210 controller, so it’s more accurate and uses less CPU.
When using offloaded CBS, and the traffic rate obeys the configured rate (doesn’t go above it), CBS should have little to no effect in the latency.
The offloaded version of the algorithm has some limits, caused by how the idle slope is expressed in the adapter’s registers. It can only represent idle slopes in 16.38431 kbps units, which means that if a idle slope of 2576kbps is requested, the controller will be configured to use a idle slope of ~2589 kbps, because the driver rounds the value up. For more details, see the comments on igb_config_tx_modes() .
NOTE: This feature is exclusive to i210 models.
Support¶
For general information, go to the Intel support website at:
or the Intel Wired Networking project hosted by Sourceforge at:
If an issue is identified with the released source code on a supported kernel with a supported adapter, email the specific information related to the issue to e1000-devel @ lists . sf . net.
© Copyright The kernel development community.
Debian User Forums
Wheezy on newer Intel i210 ethernet controller
Wheezy on newer Intel i210 ethernet controller
#1 Post by aviva » 2013-07-31 07:32
I just bought a new server with one of the most recent v3 Intel processors (socket LGA1150). The board (Supermicro X10SLM-F) uses the new Intel NICs (i217LM + i210AT), not supported by the current Debian stable release. Hence, the ethernet adapter is not recognized during the installation process.
What would you recommend? Ideally, I would like to be able to install something as close to stable as possible in a production server such as this one.
Any help is greatly appreciated.
kedaha Posts: 3521 Joined: 2008-05-24 12:26 Has thanked: 33 times Been thanked: 76 times
Re: Wheezy on newer Intel i210 ethernet controller
#2 Post by kedaha » 2013-07-31 08:59
Hi,
Yes you should definitely install stable since it is a production server.
Check to see if the Intel i210 ethernet controller is supported by the testing kernel. If this is the case, one option would be to first install stable and then upgrade the kernel from wheezy-backports, i.e., download the jessie kernel from backports and install it manually from a pendrive. A more conservative approach would be to backport only the driver thus retaining the stable kernel. However, both these options depend on whether or not the device is supported in testing/sid. So that readers here might advise, post how the device is recognised by the lspci utility:
$ vrms No non-free or contrib packages installed on debian! rms would be proud.
Re: Wheezy on newer Intel i210 ethernet controller
#3 Post by aviva » 2013-07-31 19:01
Thank you for the informative reply.
The devices seem to be correctly identified in both Wheezy and Jessie.
Wheezy live image:
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I217-LM [8086:1533] (rev 04)
04:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03)
testing (output of the install CLI)
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I217-LM [8086:153a] (rev 04)
04:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03)
This problem should affect a quickly increasing number of people, as many boards (all?) for Haswell processors (Intel E3 v3) will come with i217/i210 or another lynx point NIC. Rather strange that Wheezy, having been released so recently, doesn’t support them out of the box. Is there a chance there will be a backport of a newer, compatible kernel to stable soon?
What would you recommend doing?
Re: Wheezy on newer Intel i210 ethernet controller
#4 Post by aviva » 2013-07-31 19:21
The driver seems to be made available here: http://sourceforge.net/projects/e1000/f . %20stable/ (support added in 2.0.0). I have no experience in installing either a kernel backport offline or in updating part of it in Debian, so if that is the way to go I would appreciate any starting pointers a lot as well. Apparently the NIC is supported in more current kernels and there has been a bug report for Debian already (http://us.generation-nt.com/answer/requ . 04652.html), although I couldn’t locate it.
In case there are no other options besides the two suggested above, what would be safer?
a) installing stable and backporting a newer kernel
b) installing stable and updating the relevant driver only