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Diffstat (limited to 'Documentation/networking/e100.txt')
| -rw-r--r-- | Documentation/networking/e100.txt | 158 |
1 files changed, 97 insertions, 61 deletions
diff --git a/Documentation/networking/e100.txt b/Documentation/networking/e100.txt index 4ef9f7cd5dc3..944aa55e79f8 100644 --- a/Documentation/networking/e100.txt +++ b/Documentation/networking/e100.txt @@ -1,16 +1,17 @@ Linux* Base Driver for the Intel(R) PRO/100 Family of Adapters ============================================================== -November 17, 2004 - +November 15, 2005 Contents ======== - In This Release - Identifying Your Adapter +- Building and Installation - Driver Configuration Parameters - Additional Configurations +- Known Issues - Support @@ -18,18 +19,30 @@ In This Release =============== This file describes the Linux* Base Driver for the Intel(R) PRO/100 Family of -Adapters, version 3.3.x. This driver supports 2.4.x and 2.6.x kernels. +Adapters. This driver includes support for Itanium(R)2-based systems. + +For questions related to hardware requirements, refer to the documentation +supplied with your Intel PRO/100 adapter. + +The following features are now available in supported kernels: + - Native VLANs + - Channel Bonding (teaming) + - SNMP + +Channel Bonding documentation can be found in the Linux kernel source: +/Documentation/networking/bonding.txt + Identifying Your Adapter ======================== -For more information on how to identify your adapter, go to the Adapter & +For more information on how to identify your adapter, go to the Adapter & Driver ID Guide at: http://support.intel.com/support/network/adapter/pro100/21397.htm -For the latest Intel network drivers for Linux, refer to the following -website. In the search field, enter your adapter name or type, or use the +For the latest Intel network drivers for Linux, refer to the following +website. In the search field, enter your adapter name or type, or use the networking link on the left to search for your adapter: http://downloadfinder.intel.com/scripts-df/support_intel.asp @@ -40,73 +53,75 @@ Driver Configuration Parameters The default value for each parameter is generally the recommended setting, unless otherwise noted. -Rx Descriptors: Number of receive descriptors. A receive descriptor is a data - structure that describes a receive buffer and its attributes to the network - controller. The data in the descriptor is used by the controller to write - data from the controller to host memory. In the 3.0.x driver the valid - range for this parameter is 64-256. The default value is 64. This parameter - can be changed using the command - +Rx Descriptors: Number of receive descriptors. A receive descriptor is a data + structure that describes a receive buffer and its attributes to the network + controller. The data in the descriptor is used by the controller to write + data from the controller to host memory. In the 3.x.x driver the valid range + for this parameter is 64-256. The default value is 64. This parameter can be + changed using the command: + ethtool -G eth? rx n, where n is the number of desired rx descriptors. -Tx Descriptors: Number of transmit descriptors. A transmit descriptor is a - data structure that describes a transmit buffer and its attributes to the - network controller. The data in the descriptor is used by the controller to - read data from the host memory to the controller. In the 3.0.x driver the - valid range for this parameter is 64-256. The default value is 64. This - parameter can be changed using the command +Tx Descriptors: Number of transmit descriptors. A transmit descriptor is a data + structure that describes a transmit buffer and its attributes to the network + controller. The data in the descriptor is used by the controller to read + data from the host memory to the controller. In the 3.x.x driver the valid + range for this parameter is 64-256. The default value is 64. This parameter + can be changed using the command: ethtool -G eth? tx n, where n is the number of desired tx descriptors. -Speed/Duplex: The driver auto-negotiates the link speed and duplex settings by - default. Ethtool can be used as follows to force speed/duplex. +Speed/Duplex: The driver auto-negotiates the link speed and duplex settings by + default. Ethtool can be used as follows to force speed/duplex. ethtool -s eth? autoneg off speed {10|100} duplex {full|half} NOTE: setting the speed/duplex to incorrect values will cause the link to fail. -Event Log Message Level: The driver uses the message level flag to log events - to syslog. The message level can be set at driver load time. It can also be - set using the command +Event Log Message Level: The driver uses the message level flag to log events + to syslog. The message level can be set at driver load time. It can also be + set using the command: ethtool -s eth? msglvl n + Additional Configurations ========================= Configuring the Driver on Different Distributions ------------------------------------------------- - Configuring a network driver to load properly when the system is started is - distribution dependent. Typically, the configuration process involves adding - an alias line to /etc/modules.conf as well as editing other system startup - scripts and/or configuration files. Many popular Linux distributions ship - with tools to make these changes for you. To learn the proper way to - configure a network device for your system, refer to your distribution - documentation. If during this process you are asked for the driver or module - name, the name for the Linux Base Driver for the Intel PRO/100 Family of - Adapters is e100. + Configuring a network driver to load properly when the system is started is + distribution dependent. Typically, the configuration process involves adding + an alias line to /etc/modules.conf or /etc/modprobe.conf as well as editing + other system startup scripts and/or configuration files. Many popular Linux + distributions ship with tools to make these changes for you. To learn the + proper way to configure a network device for your system, refer to your + distribution documentation. If during this process you are asked for the + driver or module name, the name for the Linux Base Driver for the Intel + PRO/100 Family of Adapters is e100. - As an example, if you install the e100 driver for two PRO/100 adapters - (eth0 and eth1), add the following to modules.conf: + As an example, if you install the e100 driver for two PRO/100 adapters + (eth0 and eth1), add the following to modules.conf or modprobe.conf: alias eth0 e100 alias eth1 e100 Viewing Link Messages --------------------- - In order to see link messages and other Intel driver information on your - console, you must set the dmesg level up to six. This can be done by - entering the following on the command line before loading the e100 driver: + In order to see link messages and other Intel driver information on your + console, you must set the dmesg level up to six. This can be done by + entering the following on the command line before loading the e100 driver: dmesg -n 8 - If you wish to see all messages issued by the driver, including debug + If you wish to see all messages issued by the driver, including debug messages, set the dmesg level to eight. NOTE: This setting is not saved across reboots. + Ethtool ------- @@ -114,29 +129,27 @@ Additional Configurations diagnostics, as well as displaying statistical information. Ethtool version 1.6 or later is required for this functionality. - The latest release of ethtool can be found at: - http://sf.net/projects/gkernel. + The latest release of ethtool can be found from + http://sourceforge.net/projects/gkernel. - NOTE: This driver uses mii support from the kernel. As a result, when - there is no link, ethtool will report speed/duplex to be 10/half. + NOTE: Ethtool 1.6 only supports a limited set of ethtool options. Support + for a more complete ethtool feature set can be enabled by upgrading + ethtool to ethtool-1.8.1. - NOTE: Ethtool 1.6 only supports a limited set of ethtool options. Support - for a more complete ethtool feature set can be enabled by upgrading - ethtool to ethtool-1.8.1. Enabling Wake on LAN* (WoL) --------------------------- - WoL is provided through the Ethtool* utility. Ethtool is included with Red - Hat* 8.0. For other Linux distributions, download and install Ethtool from - the following website: http://sourceforge.net/projects/gkernel. + WoL is provided through the Ethtool* utility. Ethtool is included with Red + Hat* 8.0. For other Linux distributions, download and install Ethtool from + the following website: http://sourceforge.net/projects/gkernel. - For instructions on enabling WoL with Ethtool, refer to the Ethtool man - page. + For instructions on enabling WoL with Ethtool, refer to the Ethtool man page. WoL will be enabled on the system during the next shut down or reboot. For - this driver version, in order to enable WoL, the e100 driver must be + this driver version, in order to enable WoL, the e100 driver must be loaded when shutting down or rebooting the system. + NAPI ---- @@ -144,6 +157,25 @@ Additional Configurations See www.cyberus.ca/~hadi/usenix-paper.tgz for more information on NAPI. + Multiple Interfaces on Same Ethernet Broadcast Network + ------------------------------------------------------ + + Due to the default ARP behavior on Linux, it is not possible to have + one system on two IP networks in the same Ethernet broadcast domain + (non-partitioned switch) behave as expected. All Ethernet interfaces + will respond to IP traffic for any IP address assigned to the system. + This results in unbalanced receive traffic. + + If you have multiple interfaces in a server, either turn on ARP + filtering by + + (1) entering: echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter + (this only works if your kernel's version is higher than 2.4.5), or + + (2) installing the interfaces in separate broadcast domains (either + in different switches or in a switch partitioned to VLANs). + + Support ======= @@ -151,20 +183,24 @@ 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://sourceforge.net/projects/e1000 + 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 linux.nics@intel.com. +kernel with a supported adapter, email the specific information related to the +issue to e1000-devel@lists.sourceforge.net. License ======= -This software program is released under the terms of a license agreement -between you ('Licensee') and Intel. Do not use or load this software or any -associated materials (collectively, the 'Software') until you have carefully -read the full terms and conditions of the LICENSE located in this software -package. By loading or using the Software, you agree to the terms of this -Agreement. If you do not agree with the terms of this Agreement, do not -install or use the Software. +This software program is released under the terms of a license agreement +between you ('Licensee') and Intel. Do not use or load this software or any +associated materials (collectively, the 'Software') until you have carefully +read the full terms and conditions of the file COPYING located in this software +package. By loading or using the Software, you agree to the terms of this +Agreement. If you do not agree with the terms of this Agreement, do not install +or use the Software. * Other names and brands may be claimed as the property of others. |