Sun Microsystems Ethernet Device Driver none User's Manual
Contents
1. connector a Media Independent Interface MIT connector which is an Ultra DB 40 connector is also provided on Sun systems The MII connects to an external transceiver that may use any physical media such as copper or fiber as specified in the 100BASE TX standard When an external transceiver is connected to the MII the driver selects the external transceiver and disables the internal transceiver The external transceiver may also support the 100BASE T4 standard which allows the link to operate in 100 Mbps speed using four pairs of category 3 or better cable Operating Speeds and Modes Auto Negotiation You can operate the link in any of the following speeds and modes with the SUNW hme device 100 BASE T4 with external transceiver only 100 Mbps full duplex 100 Mbps half duplex 10 Mbps full duplex 10 Mbps half duplex Note An industry standard for full duplex operation does not currently exist Use the full duplex mode only when two SUNW hme devices are connected back to back The 100BASE T standard IEEE 802 3u Ethernet Standard describes these speeds and modes The auto negotiation protocol as specified by the 100BASE T standard selects the operation mode half duplex or full duplex at boot time or when the link state changes the link goes down or tried to come up The hme driver operates the SUNW hme device in half duplex mode only by default The auto negotiation protocol also selects the speed Th2. do this 2 Platform Notes The hme Fast Ethernet Device Driver May 1996 Shell Prompts in Command Examples Table 1 2 shows the default system prompt and superuser prompt for the C shell Bourne shell and Korn shell Table 1 2 Shell Prompts Shell Prompt C shell machine_name C shell superuser machine_name Bourne shell and Korn shell Bourne shell and Korn shell superuser Ordering Sun Documents The SunDocs Order Desk is a distribution center for Sun Microsystems technical documentation You can use major credit cards and company purchase orders You can order documentation in the following ways see Table 1 3 Table 1 3 How to Order Sun Documents Country Telephone Fax United States United Kingdom 1 800 873 7869 0 800 89 88 88 1 800 944 0661 0 800 89 88 87 France 05 90 61 57 05 90 61 58 Belgium 02 720 09 09 02 725 88 50 Luxembourg 32 2 720 09 09 32 2 725 88 50 Germany 01 30 81 61 91 01 30 81 61 92 The Netherlands 06 022 34 45 06 022 34 46 Sweden 020 79 57 26 020 79 57 27 Switzerland 155 19 26 155 19 27 Japan 0120 33 9096 0120 33 9097 World Wide Web http www sun com sunexpress Introduction to the hme Fast Ethernet Device Driver lll Sun Welcomes Your Comments Please use the Reader Comment Card that accompanies this document We are interested in improving our documentation and welcome your comments and suggestions If a card is not available you c
3. the etc systen file set hme hme_ipgl set hme hme_ipg2 10 5 3 Save the etc systen file 4 Save all files and exit all programs Exit the windowing system 5 Reboot the system by typing init 6 at the prompt The system is halted and then rebooted 26 Platform Notes The hme Fast Ethernet Device Driver May 1996 HS lll Setting Parameters Using the hme conf File You can also specify the properties described in the section Setting Parameters in the etc system File on page 25 on a per device basis by creating the hme conf file in the kernel drv directory The properties set in the hme conf file will override the parameters set in the etc system file Use hme conf when you need to set a particular parameter for a device in the system The parameters you set are read and write parameters that are listed in Chapter 3 The man pages for prtconf 1M system 4 and driver conf 4 include additional details For example v T setipg to 20 and ipg2 to 10 for the sunw hme device in SBus slot Oxe 1 Invoke the prtconf v command and pipe the output to the more more or redirect the output of the command to a file name prtconf v gt filename and print the command prtconf redirected file v 2 Find the section in the prtconf v output for SUNW hme instance 0 or SUNW hme instanc 1 and so on The output for SUNW hme instanc 0 for a Sun U
4. the capability of all speeds and modes 100 Mbps 10 Mbps half duplex and full duplex you must determine the capabilities of the external transceiver Reporting the Link Partner Capabilities Table 3 8 describes the read only link partner capabilities Table 3 8 Read Only Link Partner Capabilities Description Parameter Values lp_autoneg_cap 0 1 lp_100T4_cap 0 1 lp_100fdx_cap 0 1 No auto negotiation Auto negotiation No 100BASE T4 100BASE T4 Nol00Mbit sec full duplex transmission 100Mbit sec full duplex 16 Platform Notes The hme Fast Ethernet Device Driver May 1996 Qo lll Table 3 8 Read Only Link Partner Capabilities Continued Parameter Values Description 1p_100hdx_cap 0 No 100Mbit sec half duplex transmission 1 100Mbit sec half duplex lp_10fdx_cap 0 No 10Mbit sec full duplex transmission 1 10Mbit sec full duplex lp_10hdx_cap 0 No 10Mbit sec half duplex transmission 1 10Mbit sec half duplex If the link partner is not capable of auto negotiation when lp_autoneg_cap is 0 the information described in Table 3 8 is not relevant and the parameter value 0 If the link partner is capable of auto negotation when 1lp_autoneg_cap is 1 then the speed and mode information is displayed when you use auto negotiation and get the link partner capabilities Parameter Definitions 17 18 Platform Notes The hme Fast Ethernet Device Driver May 1996 Paramete
5. the footnote from Table 3 5 on page 13 Set the local transceiver capabilities advertised by the hardware to forced mode 0 which is not capable of auto negotiation adv_autoneg_cap 0 Use the ndd utility as described in Using the ndd Utility in Interactive Mode on page 22 Auto Negotiation Mode This section describes how to select at least one of the five local transceiver capabilities and set the mode to auto negotiation To set the mode to auto negotiation 1 Select at least one of the five capabilities adv_100T4_cap adv_100fdx_cap adv_100hdx_cap adv_10fdx_cap adv_10hdx_cap that you want to advertise to the remote system and set its value to 1 Set the local transceiver capabilities advertised by the hardware to 1 the auto negotiation setting adv_autoneg_cap 1 Use the ndd utility as described in Using the ndd Utility in Interactive Mode on page 22 Platform Notes The hme Fast Ethernet Device Driver May 1996 HS lll Configuring TCP IP for Maximum Performance This section describes how to benchmark the TCP IP throughput and how to set the TCP IP hiwater marks for best performance Y To benchmark the TCP IP throughput Use the ndd command to configure the values of some of the TCP parameters for maximum performance v To set the TCP hiwater marks for best performance Type the following ndd commands ndd set dev tcp tcp_xmit_hiwat 65535 ndd set dev tcp tcp_recv_hiwa
6. 5 25 25 Setting Parameters in the etc system File V Toset the ipg1 to 10 and ipg2 to 5 when you reboot 26 Setting Parameters Using the hme conf File 27 V Toset ipgl to 20 and ipg2 to 10 for the SUNW hme device in SBus slot Oxe 27 Contents vii viii Platform Notes The hme Fast Ethernet Device Driver May 1996 Introduction to the hme Fast Ethernet Device Driver 1 This book describes how to configure the hme driver for the Sun Ultra 1 Series systems the Sun Ultra 2 Series system the Ultra Enterprise 3000 4000 5000 and 6000 systems the SunSwift SBus Adapter and the SunFastEthernet Adapter 2 0 To configure the hme driver you can use the ndd utility to set the parameters If you use the ndd utility the parameter values are effective until you reboot the system To keep the values in effect even after rebooting the system enter the parameter values into the etc systen file or the hme conf file in the kernel drv directory Chapter 2 describes the hme device driver and includes topics such as operating speeds and modes auto negotiation the internal transceiver and the external transceiver Chapter 3 describes the parameters and settings for the hme device driver Chapter 4 describes how to set the hme device driver parameter values using the ndd utility and also in the etc system and hme conf files Related Documentation The following related book
7. Platform Notes The hme Fast Ethemet Device Driver Sun Microsystems Computer Company 2550 Garcia Avenue Mountain View CA 94043 USA 415 960 1300 fax 415 969 9131 Wy Part No 802 5333 10 Revision A May 1996 RNY Sun GO Please Recycle Copyright 1996 Sun Microsystems Inc 2550 Garcia Avenue Mountain View California 94043 1100 U S A All rights reserved This product or document is protected by copyright and distributed under licenses restricting its use copying distribution and decompilation No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Portions of this product may be derived from the UNIX system licensed from Novell Inc and from the Berkeley 4 3 BSD system licensed from the University of California UNIX is a registered trademark in the United States and other countries and is exclusively licensed by X Open Company Ltd Third party software including font technology in this product is protected by copyright and licensed from Sun s suppliers RESTRICTED RIGHTS LEGEND Use duplication or disclosure by the government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 and FAR 52 227 19 Sun Sun Microsystems the Sun logo Solaris NFS Online Backup Online DiskSuite Solstice DiskSuite X11 NeWS JumpStart Sun 4 Su
8. adv_10hdx_cap 14 Selecting the Internal or External Transceiver Use the use_int_xcvr parameter to change the default behavior For example you can select the internal transceiver even though the driver is capable of selecting the external transceiver The driver not the hardware makes the selection between the internal and external transceiver If the external transceiver which is connected to the MII interface is present the driver selects the external transceiver using the default use_int_xcvr 0 If the external transceiver is not present the driver selects the internal transceiver When this parameter is set to use_int_xcvr 1 the driver selects the internal transceiver even if the external transceiver is connected Platform Notes The hme Fast Ethernet Device Driver May 1996 Qo lll Defining the Number of Back to Back Packets To Transmit The pace_size parameter see Table 3 6 defines the maximum number of back to back packets you can transmit at one time If the value is zero there is no limit to the number of back to back packets that can be transmitted Table 3 6 Back to back Packet Transmission Capability Parameter Values Description pace_size 1to255 Number of back to back packets transmitted at one time 0 No limit to the number of back to back packets that can be transmitted default Reporting Transceiver Capabilities Table 3 7 describes the read only transceiver capabilities either th
9. ameter name or to view all parameters After entering the parameter name the ndd utility prompts you for the parameter value see Tables 3 1 through 3 8 Platform Notes The hme Fast Ethernet Device Driver May 1996 v D list all the parameters supported by the hme driver Type ndd dev hme Refer to Table 3 1 through 3 8 for parameter descriptions example ndd dev hme 2 transceiver_inuse link_status link_speed read only link _ mode read only ipgl read and write ipg2 read and write use_int_xcvr pace_size adv_autoneg_cap adv_100T4_cap adv_100fdx_cap adv_100hdx_cap adv_10fdx_cap adv_10hdx_cap autoneg_cap 100T4_cap read only 100fdx_cap read only 100hdx_cap read only 10fdx_cap read only 10hdx_cap lp_autoneg_cap 1p_100T4_ cap 1p_100fdx_cap 1p_100hdx_cap 1p_10fdx_cap 1p_10hdx_cap instance read and write lance _ mode read and write ipg0 read and write example Setting Parameters 24 Setting Forced Mode This section describes how to set forced mode not capable of auto negotiation To select one of the five local transceiver capabilities and set the mode to forced mode 1 Select one of the following capabilities adv_100T4_cap adv_100fdx_cap adv_100hdx_cap adv_10fdx_cap or adv_10hdx_cap and set its value to 1 If you select more than one of the local transceiver capabilities the driver selects the one that is highest in the priority order see
10. an also email or fax your comments to us Please include the part number of your document in the subject line of your email or fax message Email smcc docs sun com e Fax SMCC Document Feedback 1 415 786 6443 4 Platform Notes The hme Fast Ethernet Device Driver May 1996 Hardware Overview The hme Device Driver 2 The hme device driver handles the SUNW hme device on these hardware devices SunSwift SBus Adapter SunFastEthernet Adapter 2 0 Sun Ultra 1 Creator Series systems Sun Ultra 2 Series system Ultra Enterprise 3000 4000 5000 and 6000 systems This chapter gives a hardware overview of the SUNW hme device provides information on the operating speeds and modes for the SUNW hme device and discusses auto negotiation the internal transceiver and the external transceiver for the hme device driver Note that the external transceiver is not present on the SunSwift SBus Adapter The SUNW hme device provides 10BASE TX or 100BASE T networking interfaces using the Fast Ethernet Parallel Port SCSI FEPS ASIC and an internal transceiver The driver automatically sets the link speed to 10 or 100 Mbps and conforms to the 100BASE T IEEE 802 3u Ethernet standard The FEPS ASIC provides the SBus interface and Media Access Control MAC functions The internal transceiver which connects to an RJ 45 connector on all of the above hardware devices provides the physical layer functions lll No In addition to the RJ 45
11. e auto negotiation protocol does the following Identifies all link partner supported modes of operation Advertises its capabilities to the link partner Platform Notes The hme Fast Ethernet Device Driver May 1996 2 Selects the highest common denominator mode of operation based on the following priorities 100 BASE T4 e 100 Mbps full duplex e 100 Mbps half duplex e 10 Mbps full duplex e 10 Mbps half duplex The link partner is the networking device system Ethernet hub or Ethernet switch at the other end of the link or cable If the SUNW hme device is connected to a remote system or interface that is not capable of auto negotiation the system automatically selects the correct speed and half duplex mode If adapters or systems are connected to a link partner and the auto negotiation protocol fails to operate successfully you can configure the device so it does not use this protocol This forces the driver to set up the link in the mode and speed that you choose instead of using the auto negotiation protocol Internal Transceiver The internal transceiver is a feature supported by the driver and is capable of all the operating speeds and modes except the 100BASE T4 mode listed in the section Operating Speeds and Modes on page 6 When the internal transceiver is used the default is auto negotation by the hme driver which automatically selects the speed and mode of the link The internal transceiver perfo
12. e internal transceiver or the external transceiver whichever is selected Table 3 7 Read Only Transceiver Capabilities Parameter Values Description autoneg_cap Local transceiver capability of the hardware 0 Not capable of auto negotiation 1 Auto negotiation capable 100T4_cap Local external transceiver capability of the hardware 0 Not 100BASE T4 capable 1 100BASE T4 capable 100fdx_cap Local transceiver capability of the hardware initialized at startup 0 Not 100Mbit sec full duplex capable 1 100Mbit sec full duplex capable Parameter Definitions io lll Qo Table 3 7 Read Only Transceiver Capabilities Description Local transceiver capability of the hardware initialized at startup Not 100Mbit sec half duplex capable 100Mbit sec half duplex capable Local transceiver capability of the hardware initialized at startup Not 10Mbit sec full duplex capable 10Mbit sec full duplex capable Parameter Values 100hdx_cap 0 1 10fdx_cap 0 1 10hdx_cap 0 1 Local transceiver capability of the hardware initialized at startup Not 10Mbit sec half duplex capable 10Mbit sec half duplex capable The parameters in Table 3 7 define the capabilities of the hardware The internal transceiver can support all of these capabilities The capabilities of the external transceiver are dependent on the device If the external transceiver is not capable of auto negotiation but has
13. e link speed is 100 Mbps the total IPG is 0 96 microseconds Table 3 3 lists the default values and allowable values for the inter packet gap IPG parameters ipg1 and ipg2 Table 3 3 Read Write Inter Packet Gap Parameter Values and Descriptions Parameter Values Description Byte time ipgl 0 255 ipg1 8 default at initialization ipg2 0 255 ipg2 4 default at initialization Parameter Definitions 11 12 By default the driver sets ipg1 to 8 byte time and ipg2 to 4 byte time which are the standard values Byte time is the time it takes to transmit one byte on the link with a link speed of either 100 Mbps or 10 Mbps If your network has systems that use longer IPG the sum of ipg1 and ipg2 and if those machines seem to be slow in accessing the network increase the values of ipg1 and ipg2 to match the longer IPGs of other machines Defining an Additional Delay Before Transmitting a Packet Using lance_mode and ipg0 The Fast Ethernet Parallel Port SCSI FEPS ASIC supports a programmable mode called lance_mode The ipg0 parameter is associated with lance_mode After a packet is received with lance _mode enabled default an additional delay is added by setting the ipg0 parameter before transmitting the packet This delay set by the ipg0 parameter is in addition to the delay set by the ipgl and ipg2 parameters The additional delay set by ipg0 helps to reduce collisions Systems that have lance_mode enabl
14. ed might not have enough time on the network If lance_mode is disabled the value of ipg0 is ignored and no additional delay is set Only the delays set by ipg1 and ipg2 are used Disable lance_mode if other systems keep sending a large number of back to back packets You can set the additional delay with the ipg0 parameter from 0 to 31 which is the nibble time delay Note that nibble time is the time it takes to transfer four bits on the link If the link speed is 10 Mbps nibble time is equal to 400 ns If the link speed is 100 Mbps nibble time is equal to 40 ns For example if the link speed is 10 Mbps and you set ipg0 to 20 nibble times multiply 20 by 400 ns to get 800 ns If the link speed is 100 Mbps and you set ipg0 to 30 nibble times multiply 30 by 40 ns to get 120 ns Platform Notes The hme Fast Ethernet Device Driver May 1996 Qo lll Table 3 4 defines the lance_mode and ipg0 parameters Table 3 4 Parameters Defining lance_mode and ipg0 Parameter Values Description lance_mode 0 lance_mode disabled 1 lance_mode enabled default ipg0 0 31 Additional IPG before transmitting a packet after receiving a packet 1 The default value is 16 nibble times which is 6 4 microseconds for 10 Mbps and 0 64 microseconds for 100 Mbps Operational Mode Parameters Table 3 5 describes the operational mode parameters and their default values Table 3 5 Operational Mode Parameters Parameter Values Desc
15. egotiation capability Local transceiver capability of the hardware Local transceiver capability of the hardware Local transceiver capability of the hardware Local transceiver capability of the hardware Local transceiver capability of the hardware Link partner auto negotiation capability Link partner capability Link partner capability Link partner capability Link partner capability Link partner capability Device instance Additional delay before transmitting a packet Additional delay before transmitting a packet Platform Notes The hme Fast Ethernet Device Driver May 1996 Qo lll Defining the Current Status The read only parameters described in Table 3 2 explain the operational mode of the interface These parameters define the current status Table 3 2 Read Only Parameters Defining the Current Status Parameter Values Description transceiver_inuse 0 Internal transceiver 1 External transceiver link_status Current link status 0 Link down 1 Link up link_speed Valid only if the link is up 0 10 Mbps 1 100 Mbps link_mode Valid only if the link is up 0 Half duplex 1 Full duplex Inter Packet Gap Parameters The Fast Ethernet Parallel Port SCSI FEPS ASIC supports programmable Inter Packet Gap IPG parameters ipg1 and ipg2 The total IPG is the sum of ipg1 and ipg2 The total IPG is 9 6 microseconds when the link speed set by the auto negotiation protocol is 10 Mbps When th
16. elected until you change the selection Non Interactive and Interactive Modes v You can use the ndd utility in two modes Non interactive e Interactive In non interactive mode you invoke the utility to execute a specific command Once the command is executed you exit the utility In interactive mode you can use the utility to get or set more than one parameter value Refer to the ndd 1M man page for more information Using the nda Utility in Non Interactive Mode This section describes how to modify a parameter value and how to display a parameter value To modify a parameter value Use the set option If you invoke the ndd utility with the set option the utility passes value which must be specified down to the named dev hme driver instance and assigns it to the parameter ndd set dev hme parameter value Setting Parameters 21 22 Y D display the value ofa parameter v Specify the parameter name and omit the value When you omit the set option a query operation is assumed and the utility queries the named driver instance retrieves the value associated with the specified parameter and prints it ndd dev hme parameter Using the ndd Utility in Interactive Mode To modify a parameter value in interactive mode Specify ndd hme as shown below The ndd utility then prompts you for the name of the parameter ndd dev hme name to get set Enter the par
17. ibe the hme driver parameters which are listed in Table 3 1 Table 3 1 hme Driver Parameter Status and Descriptions Parameter Status Description transceiver_inuse Read only Defines the current status link_status Read only Defines the current status link_speed Read only Defines the current status link_mode Read only Defines the current status ipgl Read and write Inter packet gap parameter ipg2 Read and write Inter packet gap parameter use_int_xevr Read and write Operational mode parameter pace_size Read and write Operational mode parameter adv_autoneg_cap Read and write Operational mode parameter adv_100T4_cap Read and write Operational mode parameter adv_100fdx_cap Read and write Operational mode parameter 10 Table 3 1 hme Driver Parameter Status and Descriptions Continued Parameter Status Description adv_100hdx_cap adv_10fdx_cap adv_10hdx_cap autoneg_cap 100T4_cap 100fdx_cap 100hdx_cap 10fdx_cap 10hdx_cap lp_autoneg_cap lp_100T4_cap 1p_100fdx_cap 1p_100hdx_cap 1p_10fdx_cap 1p_10hdx_cap instance lance mode ipg0 Read and write Read and write Read and write Read only Read only Read only Read only Read only Read only Read only Read only Read only Read only Read only Read only Read and write Read and write Read and write Operational mode parameter Operational mode parameter Operational mode parameter Local transceiver auto n
18. initions Defining the Current Status suis sean 11 Inter Packet Gap Parameters 11 et Using lance_mode and ipg0 Packet Using lance_mode and ipg0 12 vi Operational Mode Parameters 4 4 4 444 Defining the Number of Back to Back Packets To Transmit Reporting Transceiver Capabilities Reporting the Link Partner Capabilities 4 Setting Parameters sus re ek vee s ea ee Pee ee ee ada ean aces Parameter OH 7s e2tank eee eee dorer Setting Parameters Using HOG seems agers eer ee neuen tu Identifying Device Instances 4 44ssssssesesseune V To specify the device instance for the ndd utility Non Interactive and Interactive Modes V To modify a parameter value V To display the value of a parameter Vv To modify a parameter value in interactive mode v To list all the parameters supported by the HME ATIVE PP nee eaa EEEE EE EEEE EEIE EN V To select one of the five local transceiver capabilities and set the mode to forced mode Y Toset the mode to auto negotiation Configuring TCP IP for Maximum Performance V To benchmark the TCP IP throughput V To set the TCP hiwater marks for best PORIONMANCE sc vie serrer ere rends out Platform Notes The hme Fast Ethernet Device Driver May 1996 13 15 15 16 19 19 20 20 20 21 21 22 22 23 24 24 2
19. la d compilation Aucune partie de ce produit ou de sa documentation associ e ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il yena Des parties de ce produit pourront tre d riv es du syst me UNIX licenci par Novell Inc et du syst me Berkeley 4 3 BSD licenci par l Universit de Californie UNIX est une marque enregistr e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd Le logiciel d tenu par des tiers et qui comprend la technologie relative aux polices de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Sun Sun Microsystems le logo Sun NFS Online Backup Online DiskSuite Solstice DiskSuite X11 NeWS JumpStart Sun 4 SunSwift SunFastEthernet Enterprise et Ultra sont des marques d pos es ou enregistr es de Sun Microsystems Inc aux Etats Unis et dans d autres pays Toutes les marques SPARC utilis es sous licence sont des marques d pos es ou enregistr es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc Les interfaces d utilisation graphique OPEN LOOK et Sun ont t d velopp es par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconnait les efforts de pionniers de Xerox
20. ltra 1 Creator Series system follows Bus Bus Bus Bus Bus SUNW hme instance 0 Driver software properties name lt pm_norm_pwr gt length lt 4 gt value lt 0x00000001 gt timestamp gt length lt 4 gt lt 0x30743b26 gt Register Specifications name lt pm_ value Type Oxe Address 0x8c00000 Size 108 Type ype ype ype Oxe Oxe Oxe Oxe Address 0x8c02000 Size 2000 Address 0x8c04000 Size 2000 Address 0x8c06000 Size 2000 Address 0x8c07000 Size 20 3 Become superuser Setting Parameters 27 28 4 Create the hme conf file in the kernel drv directory using a text editor and add lines similar to the following to the file e Specify name hme and class sbus e Use the reg property to specify the device Oxe in this case Use the value following Bus Type in the prtconf v output e Type the addresses followed by the specified sizes Precede each size with Ox and leading zeros as indicated in the following screen e Set ipg1 and ipg2 These parameters are set to 20 and 10 respectively in this example Type a semicolon after the last value The ipg parameters are defined in Chapter 3 name hme class sbus reg 0xe 0x8c00000 0x00000108 Oxe 0x8c02000 0x00002000 Oxe 0x8c04000 0x00002000 0xe 0x8c06000 0x00002000 0xe 0x8c07000 0x00000020 ipgi 20 ipg2 10 5 Save the hme conf file 6 Save and close all file
21. nSwift SunFastEthernet Enterprise and Ultra are trademarks or registered trademarks of Sun Microsystems Inc in the United States and other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the United States and other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc The OPEN LOOK and Sun Graphical User Interfaces were developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements X Window System is a trademark of X Consortium Inc THIS PUBLICATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT Copyright 1996 Sun Microsystems Inc 2550 Garcia Avenue Mountain View Californie 94043 1100 U S A Tous droits r serv s Ce produit ou document est prot g par un copyright et distribu avec des licences qui en restreignent l utilisation la copie la distribution et
22. onf when you need to set a particular parameter for a device in the system If you want to test parameter settings use the ndd utility described in Chapter 3 With ndd the parameters are effective until you reboot the system To make the parameter settings permanent enter the values in etc system or hme conf as described in this chapter Setting Parameters Using ndd 20 Use the ndd utility to configure parameters that are valid until you reboot the system The ndd utility supports any networking driver which implements the Data Link Provider Interface DLPI The following sections describe how you can use the hme driver and the ndd utility to modify with the set option or display without the set option the parameters for each SUNW hme device Identifying Device Instances Before you use the ndd utility to get or set a parameter for the hme device you must specify the device instance for the utility if there is more than one SUNW hme device Note If there is only one SUNW hme device the device is automatically chosen by the nda utility v To specify the device instance for the nda utility 1 Check the etc path_to_inst file to identify the instance associated with a particular device Platform Notes The hme Fast Ethernet Device Driver May 1996 HS lll 2 Use that instance number to select the device as follows ndd set dev hme instance lt instance gt The device remains s
23. pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une licence non exclusive de Xerox sur l interface d utilisation graphique Xerox cette licence couvrant aussi les licenci s de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se conforment aux licences crites de Sun Le syst me X Window est un produit du X Consortium Inc CETTE PUBLICATION EST FOURNIE EN L ETAT SANS GARANTIE D AUCUNE SORTE NI EXPRESSE NI IMPLICITE Y COMPRIS ET SANS QUE CETTE LISTE NE SOIT LIMITATIVE DES GARANTIES CONCERNANT LA VALEUR MARCHANDE L APTITUDE DES PRODUITS A R PONDRE A UNE UTILISATION PARTICULIERE OU LE FAIT QU ILS NE SOIENT PAS CONTREFAISANTS DE PRODUITS DE TIERS Contents 1 Introduction to the hme Fast Ethernet Device Driver Related Documentations 4440 Typographic Conventions Les era Ree aie Se Ordering Sun Documents ie dic eit ieee ade eme 2 The hme Device Driver Hardware Overview Operating Speeds and Modes Auto Negotiation 155 eetere eR kad edent ERE EC e Ce EES Internal Transceiver External Transceiver 3 Parameter Definitions O ODN ND ON O1 OF WO N FR MA Driver Parameter Values and Def
24. r Options Setting Parameters 4 This chapter describes how to configure the hme driver parameters using the ndd utility in the etc systen file or in the hme conf file Use the ndd utility to configure parameters that are valid until you reboot the system To configure the hme driver parameters for all devices in the system so that the parameter values are always in effect even after rebooting the system enter the parameter values in the etc system file When the system is rebooted it reads the etc system file and sets the parameter values in that file To set a particular parameter for a device in the system set the parameter in the hme conf file in the kernel drv directory The parameters set in the hme conf file have precedence over the parameters set in the etc system file and override the parameters set in the etc system file Setting hme conf parameter values are always in effect even after rebooting the system You can set the hme device driver parameters in three ways nda etc system and hme conf depending on your needs To set parameters that are valid until you reboot the system use the ndd utility Using ndd is a good way to test parameter settings 19 To set parameters so they remain in effect after you reboot the system Add the parameter values to etc system when you want to configure parameters for all devices in the system Create the hme conf file and add parameter values to hme c
25. ription adv_autoneg_cap Local transceiver capability advertised by the hardware 0 Forced mode 1 Auto negotiation default adv_1 00T4_capl Local transceiver capability advertised by the hardware read write parameter 0 Not 100BASE T4 capable 1 100BASE T4 capable adv_100fdx_c ap Local transceiver capability advertised by the hardware read write parameter 0 Not 100Mbit sec full duplex capable default 1 100Mbit sec full duplex capable adv_100hdx_c ap Local transceiver capability advertised by the hardware read write parameter 0 Not 100Mbit sec half duplex capable 1 100Mbit sec half duplex capable default Parameter Definitions 13 lll Qo Table 3 5 Operational Mode Parameters Continued Parameter Values Description adv_10f dx_cap Local transceiver capability advertised by the hardware read write parameter 0 Not 10Mbit sec full duplex capable default 1 10Mbit sec full duplex capable adv_10hdx_cap Local transceiver capability advertised by the hardware read write parameter 0 Not 10Mbit sec half duplex capable 1 10Mbit sec half duplex capable default use_int_xcvr Local transceiver capability selected for networking by the user 0 External transceiver is used if connected default 1 Internal transceiver is used even if the external transceiver is connected 1 The priority in descending order for these parameters is adv_100T4_cap adv_100fdx_cap adv_100hdx_cap adv_10fdx_cap
26. rms auto negotiation with the remote end of the link link partner to select a common mode of operation The internal transceiver also supports a forced mode of operation This is where the user selects the speed and mode using the nda utility the etc systen file or the hme conf file The ndd utility makes calls to the hme driver to choose the speed and mode External Transceiver When an external transceiver not present on the SunSwift SBus Adapter is connected to the MII interface the driver selects the external transceiver for networking operations The hme Device Driver 7 If the external transceiver supports auto negotiation the driver uses the auto negotiation feature to select the link speed and mode If the external transceiver does not support auto negotiation the driver selects the highest priority mode supported by the transceiver You can also manually select the speed and mode of the link For example two transceivers might not support the same mode and speed Therefore you must select the highest mode and speed that both transceivers support using the ndd utility See the list of operating speeds and modes in the section Operating Speeds and Modes on page 6 Platform Notes The hme Fast Ethernet Device Driver May 1996 Parameter Definitions 3 This chapter describes the parameters and settings for the hme device driver Driver Parameter Values and Definitions The following sections descr
27. s and exit all programs exit the windowing system 7 Reboot the system by typing the init 6 command at the prompt Platform Notes The hme Fast Ethernet Device Driver May 1996
28. s provide an overview of the hme driver and the FEPS ASIC give more information on the Ethernet standard and list man pages for the hme driver e SMCC SPARC Hardware Platform Guide Provides an overview of the hme driver and the Fast Ethernet Parallel Port SCSI FEPS ASIC IEEE 802 3u Ethernet Standard Provides additional information about the Ethernet standard lll bd e Solaris Reference Manual for SMCC Specific Software Explains the following man pages e ndd 1M man page summarizes information on how to use the ndd utility prtconf 1M system 4 and driver conf 4 man pages describe information about entering parameter values into the etc systen file and the hme conf file Typographic Conventions Table 1 1 describes the typographic conventions used in this book Table 1 1 Typographic Conventions Typeface or Symbol Meaning Example AaBbCc123 AaBbCc123 AaBbCc123 AaBbCc123 The names of commands files and directories on screen computer output What you type contrasted with on screen computer output Command line placeholder replace with a real name or value Book titles new words or terms or words to be emphasized Edit your login file Use ls a to list all files machine_name S You have mail machine_name su Password To delete a file type rm filename Read Chapter 6 in the User s Guide These are called class options You must be root to
29. t 65535 ndd set dev tcp tcp_cwnd_max 65534 Setting Parameters in the etc system File To configure the hme driver parameters for all SUNW hme devices in the system so that the parameter variables are always effective even after rebooting the system enter the parameter variables in the etc system file When you reboot the system the system reads the etc system file and sets these parameter variables in the hme module in the operating system kernel Table 4 1 lists the variables you need to set in the etc systen file Table 4 1 Setting Variables in the etc system File Parameter Variable ipgl hme_ipgl ipg2 hme_ipg2 use_int_xcvr hme_use_int_xcvr pace_size hme_pace_size adv_autoneg_cap hme_adv_autoneg_cap Setting Parameters 25 lll HS Table 4 1 Setting Variables in the etc system File Continued Parameter Variable adv_100T4_cap adv_100fdx_cap adv_100hdx_cap adv_10fdx_cap adv_10hdx_cap lance _ mode ipg0 hme_adv_1 hme_adv_1 hme_adv_1 0 0 hme_adv_10 0 0 hme_adv_1 hme_ipg0 OT4_cap Ofdx_cap Ohdx_cap hdx_cap hme_lance_mode These parameter values described in Chapter 3 are applicable to all SUNW hme devices on the system Refer to Table 3 2 on page 11 through Table 3 8 on page 16 for parameter descriptions For example v T set the ipg1 to 10 and ipg2 to 5 when you reboot 1 Become superuser 2 Add the following lines to
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