| Linux Base Driver for the Intel(R) Ethernet Controller XL710 Family |
| =================================================================== |
| |
| Intel i40e Linux driver. |
| Copyright(c) 2013 Intel Corporation. |
| |
| Contents |
| ======== |
| |
| - Identifying Your Adapter |
| - Additional Configurations |
| - Performance Tuning |
| - Known Issues |
| - Support |
| |
| |
| Identifying Your Adapter |
| ======================== |
| |
| The driver in this release is compatible with the Intel Ethernet |
| Controller XL710 Family. |
| |
| For more information on how to identify your adapter, go to the Adapter & |
| Driver ID Guide at: |
| |
| http://support.intel.com/support/network/sb/CS-012904.htm |
| |
| |
| Enabling the driver |
| =================== |
| |
| The driver is enabled via the standard kernel configuration system, |
| using the make command: |
| |
| Make oldconfig/silentoldconfig/menuconfig/etc. |
| |
| The driver is located in the menu structure at: |
| |
| -> Device Drivers |
| -> Network device support (NETDEVICES [=y]) |
| -> Ethernet driver support |
| -> Intel devices |
| -> Intel(R) Ethernet Controller XL710 Family |
| |
| Additional Configurations |
| ========================= |
| |
| Generic Receive Offload (GRO) |
| ----------------------------- |
| The driver supports the in-kernel software implementation of GRO. GRO has |
| shown that by coalescing Rx traffic into larger chunks of data, CPU |
| utilization can be significantly reduced when under large Rx load. GRO is |
| an evolution of the previously-used LRO interface. GRO is able to coalesce |
| other protocols besides TCP. It's also safe to use with configurations that |
| are problematic for LRO, namely bridging and iSCSI. |
| |
| 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. |
| |
| The latest release of ethtool can be found from |
| https://www.kernel.org/pub/software/network/ethtool |
| |
| Data Center Bridging (DCB) |
| -------------------------- |
| DCB configuration is not currently supported. |
| |
| FCoE |
| ---- |
| Fiber Channel over Ethernet (FCoE) hardware offload is not currently |
| supported. |
| |
| 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. |
| |
| |
| Performance Tuning |
| ================== |
| |
| An excellent article on performance tuning can be found at: |
| |
| http://www.redhat.com/promo/summit/2008/downloads/pdf/Thursday/Mark_Wagner.pdf |
| |
| |
| Known Issues |
| ============ |
| |
| |
| Support |
| ======= |
| |
| For general information, go to the Intel support website at: |
| |
| http://support.intel.com |
| |
| or the Intel Wired Networking project hosted by Sourceforge at: |
| |
| http://e1000.sourceforge.net |
| |
| If an issue is identified with the released source code on the supported |
| kernel with a supported adapter, email the specific information related |
| to the issue to e1000-devel@lists.sourceforge.net and copy |
| netdev@vger.kernel.org. |
