From 1bff652941c4d94f97610c9a30473aad6f5b2fff Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 11 Sep 2013 08:40:23 +0000 Subject: i40e: include i40e in kernel proper This patch adds the changes for Kconfig, i40e.txt, MAINTAINERS, Kbuild and new i40e/Makefile to build i40e with the kernel. New driver build option is CONFIG_I40E Signed-off-by: Jesse Brandeburg Signed-off-by: Shannon Nelson CC: PJ Waskiewicz CC: e1000-devel@lists.sourceforge.net Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- Documentation/networking/00-INDEX | 2 + Documentation/networking/i40e.txt | 115 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 117 insertions(+) create mode 100644 Documentation/networking/i40e.txt (limited to 'Documentation') diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX index 18b64b2b8a6..f11580f8719 100644 --- a/Documentation/networking/00-INDEX +++ b/Documentation/networking/00-INDEX @@ -86,6 +86,8 @@ generic_netlink.txt - info on Generic Netlink gianfar.txt - Gianfar Ethernet Driver. +i40e.txt + - README for the Intel Ethernet Controller XL710 Driver (i40e). ieee802154.txt - Linux IEEE 802.15.4 implementation, API and drivers igb.txt diff --git a/Documentation/networking/i40e.txt b/Documentation/networking/i40e.txt new file mode 100644 index 00000000000..f737273c6dc --- /dev/null +++ b/Documentation/networking/i40e.txt @@ -0,0 +1,115 @@ +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. -- cgit v1.2.3-18-g5258