1.\" 2.\" Copyright (c) 1998 Michael Smith 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\"
| 1.\" 2.\" Copyright (c) 1998 Michael Smith 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\"
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26.\" $FreeBSD: head/share/man/man4/man4.i386/cs.4 79727 2001-07-14 19:41:16Z schweikh $
| 26.\" $FreeBSD: head/share/man/man4/man4.i386/cs.4 84877 2001-10-13 09:08:37Z yokota $
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27.\" 28.Dd July 20, 1998 29.Dt CS 4 i386 30.Os 31.Sh NAME 32.Nm cs 33.Nd ethernet device driver 34.Sh SYNOPSIS
| 27.\" 28.Dd July 20, 1998 29.Dt CS 4 i386 30.Os 31.Sh NAME 32.Nm cs 33.Nd ethernet device driver 34.Sh SYNOPSIS
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35.Cd "device cs0 at isa? port 0x300 irq ?" 36.Cd "device cs1 at isa? port 0x300 irq 10 iomem 0xd0000"
| 35.Cd "device cs" 36.Pp 37In 38.Pa /boot/device.hints : 39.Cd hint.cs.0.at="isa" 40.Cd hint.cs.0.port="0x300" 41.Cd hint.cs.0.irq="10" 42.Cd hint.cs.0.maddr="0xd000"
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37.Sh DESCRIPTION 38The 39.Nm 40driver provides support for ISA ethernet adapters based on the 41.Tn Crystal Semiconductor CS8900 42and 43.Tn CS8920 44NICs. These devices are used on the 45.Tn IBM EtherJet ISA 46adapters and in many embedded applications where the high integration, small 47size and low cost of the CS89x0 family compensate for their drawbacks. 48.Pp 49The 50.Nm
| 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for ISA ethernet adapters based on the 47.Tn Crystal Semiconductor CS8900 48and 49.Tn CS8920 50NICs. These devices are used on the 51.Tn IBM EtherJet ISA 52adapters and in many embedded applications where the high integration, small 53size and low cost of the CS89x0 family compensate for their drawbacks. 54.Pp 55The 56.Nm
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51driver will obtain configuration parameters either from the configuration entry 52or from the card. Parameters specified in the configuration entry will be 53used if present; the card may be soft-configured so these may be any valid
| 57driver will obtain configuration parameters either from 58.Pa /boot/device.hints 59or from the card. 60At least the I/O port number must be specified. 61Other parameters specified in 62.Pa /boot/device.hints 63will be used if present; 64the card may be soft-configured so these may be any valid
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54value. Adapters based on the CS8920 normally offer PnP configuration and the driver 55will detect the 56.Tn IBM EtherJet 57and the 58.Tn CSC6040 59adapters automatically. 60.Pp 61Note that the CS8900 is limited to 4 IRQ values; these are normally implemented 62as 5, 10, 11 and 12. The CS8920 has no such limitation. 63.Pp 64Memory-mapped and DMA operation are not supported at this time. 65.Sh DIAGNOSTICS 66.Bl -diag 67.It "cs%d: full/half duplex negotiation timeout" 68The attempt to negotiate duplex settings with the hub timed out. This may 69indicate a cabling problem or a faulty or incompatible hub. 70.It "cs%d: failed to enable <media>" 71The CS89x0 failed to select the nominated media, either because it is not 72present or not operating correctly. 73.It "cs%d: No EEPROM, assuming defaults" 74The CS89x0 does not have an EEPROM, or the EEPROM is hopelessly damaged. Operation 75will only be successful if the configuration entry lists suitable values for 76the adapter. 77.It "cs%d: Invalid irq" 78The IRQ specified in the configuration entry is not valid for the adapter. 79.It "cs%d: Could not allocate memory for NIC" 80There is a critical memory shortage. The adapter will not function. 81.It "cs%d: Adapter has no media" 82The adapter is not configured for a specific media type. 83The media type will have 84to be manually set. 85.It "This is a %s, but LDN %d is disabled" 86The PnP probe code found a recognised adapter, but the adapter is disabled. 87.It "failed to read pnp parms" 88A PnP adapter was found, but configuration parameters for it could not be read. 89.It "failed to pnp card parametars" 90The parameters obtained via PnP were not accepted by the driver. The adapter 91may not function. 92.El 93.Sh CAVEATS 94The CS89x0 family of adapters have a very small RAM buffer (4K). This may 95cause problems with extremely high network loads or bursty network traffic. 96In particular, NFS operations should be limited to 1k read/write transactions 97in order to avoid overruns. 98.Sh SEE ALSO 99.Xr arp 4 , 100.Xr netintro 4 , 101.Xr ng_ether 4 , 102.Xr ifconfig 8 103.Sh AUTHORS 104.An -nosplit 105The 106.Nm 107device driver was written by 108.An Maxim Bolotin 109and 110.An Oleg Sharoiko . 111This manpage was written by 112.An Michael Smith .
| 65value. Adapters based on the CS8920 normally offer PnP configuration and the driver 66will detect the 67.Tn IBM EtherJet 68and the 69.Tn CSC6040 70adapters automatically. 71.Pp 72Note that the CS8900 is limited to 4 IRQ values; these are normally implemented 73as 5, 10, 11 and 12. The CS8920 has no such limitation. 74.Pp 75Memory-mapped and DMA operation are not supported at this time. 76.Sh DIAGNOSTICS 77.Bl -diag 78.It "cs%d: full/half duplex negotiation timeout" 79The attempt to negotiate duplex settings with the hub timed out. This may 80indicate a cabling problem or a faulty or incompatible hub. 81.It "cs%d: failed to enable <media>" 82The CS89x0 failed to select the nominated media, either because it is not 83present or not operating correctly. 84.It "cs%d: No EEPROM, assuming defaults" 85The CS89x0 does not have an EEPROM, or the EEPROM is hopelessly damaged. Operation 86will only be successful if the configuration entry lists suitable values for 87the adapter. 88.It "cs%d: Invalid irq" 89The IRQ specified in the configuration entry is not valid for the adapter. 90.It "cs%d: Could not allocate memory for NIC" 91There is a critical memory shortage. The adapter will not function. 92.It "cs%d: Adapter has no media" 93The adapter is not configured for a specific media type. 94The media type will have 95to be manually set. 96.It "This is a %s, but LDN %d is disabled" 97The PnP probe code found a recognised adapter, but the adapter is disabled. 98.It "failed to read pnp parms" 99A PnP adapter was found, but configuration parameters for it could not be read. 100.It "failed to pnp card parametars" 101The parameters obtained via PnP were not accepted by the driver. The adapter 102may not function. 103.El 104.Sh CAVEATS 105The CS89x0 family of adapters have a very small RAM buffer (4K). This may 106cause problems with extremely high network loads or bursty network traffic. 107In particular, NFS operations should be limited to 1k read/write transactions 108in order to avoid overruns. 109.Sh SEE ALSO 110.Xr arp 4 , 111.Xr netintro 4 , 112.Xr ng_ether 4 , 113.Xr ifconfig 8 114.Sh AUTHORS 115.An -nosplit 116The 117.Nm 118device driver was written by 119.An Maxim Bolotin 120and 121.An Oleg Sharoiko . 122This manpage was written by 123.An Michael Smith .
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