9083b6057b
The current deprecated list is: ae, bm, cs, de, dme, ed, ep, ex, fe, pcn, sf, sn, tl, tx, txp, vx, wb, xe The list as refined as part of FCP-0101. Per the FCP, devices may be removed from the deprecation list if enough users are found or they are converted to iflib. FCP: https://github.com/freebsd/fcp/blob/master/fcp-0101.md
327 lines
10 KiB
Groff
327 lines
10 KiB
Groff
.\" All Rights Reserved, Copyright (C) Fujitsu Limited 1995
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.\"
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.\" This document may be used, modified, copied, distributed, and sold, in
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.\" both source and printed form provided that the above copyright, these
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.\" terms and the following disclaimer are retained. The name of the author
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.\" and/or the contributor may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS DOCUMENT IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS DOCUMENT, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" Contributed by M. Sekiguchi <seki@sysrap.cs.fujitsu.co.jp>.
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.\" for fe driver.
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.\"
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.\" $FreeBSD$
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.Dd October 24, 2018
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.Dt FE 4 i386
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.Os
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.Sh NAME
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.Nm fe
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.Nd "Fujitsu MB86960A/MB86965A based Ethernet adapters"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device fe"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_fe_load="YES"
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.Ed
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.Pp
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In
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.Pa /boot/device.hints :
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.Cd hint.fe.0.at="isa"
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.Cd hint.fe.0.port="0x300"
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.Cd hint.fe.0.flags="0x0"
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.Sh DEPRECATION NOTICE
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The
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.Nm
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driver is not present in
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.Fx 13.0
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and later.
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See https://github.com/freebsd/fcp/blob/master/fcp-0101.md for more
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information.
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.Sh DESCRIPTION
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The
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.Nm
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is a network device driver
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for Ethernet adapters based on Fujitsu MB86960A, MB86965A,
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or other compatible chips.
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.Pp
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The driver provides automatic I/O port address configuration and
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automatic IRQ configuration,
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when used with suitable adapter hardware.
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.Pp
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The driver works with program I/O data transfer technique.
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It gives a fair performance.
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Shared memory is never used, even if the adapter has one.
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.Pp
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It currently works with Fujitsu FMV-180 series for ISA,
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Allied-Telesis AT1700 series and RE2000 series for ISA,
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and Fujitsu MBH10302 PC card.
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.Ss Parameters
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In the
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.Pa /boot/device.hints
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file, two parameters,
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.Ar port
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and
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.Ar irq ,
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must be specified to reflect adapter hardware settings.
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Another parameter
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.Ar flags
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can be specified to provide additional configuration as an option.
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.Pp
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The
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.Ar port
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parameter specifies a base I/O port address of the adapter.
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It must match with the hardware setting of the adapter.
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The
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.Ar port
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may be left unspecified by removing
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.Dl hint.fe.0.port="..."
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from the file.
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In that case, the driver tries to detect the hardware setting
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of the I/O address automatically.
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This feature may not work with some adapter hardware.
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.Pp
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The
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.Ar irq
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parameter specifies an IRQ number used by the adapter.
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It must match the hardware setting of the adapter.
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.Ar Irq
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may be left unspecified by removing
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.Dl hint.fe.0.irq="..."
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from the file.
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in that case, the driver tries to detect
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the hardware setting of the IRQ automatically.
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This feature may not work on some adapters.
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.Pp
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The
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.Ar flags
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is a numeric value which consists of a combination of various device settings.
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The following flags are defined in the current version.
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To specify two or more settings for a device,
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use a numeric sum of each flag value.
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Flag bits not specified below are reserved and must be set to 0.
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Actually, each bit is either just ignored by the driver,
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or tested and used to control undocumented features of the driver.
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Consult the source program for undocumented features.
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.Bl -tag -width 8n
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.It Li 0x007F
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These flag bits are used
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to initialize DLCR6 register of MB86960A/MB86965A chip,
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when the
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.Li 0x0080
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bit of the
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.Ar flags
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is set.
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See below for more about DLCR6 override feature.
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The
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.Li 0x007F
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flag bits must be 0 unless the
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.Li 0x0080
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bit is set,
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to maintain the compatibility with future versions of the driver.
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.It Li 0x0080
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This flag overrides the default setting to the DLCR6 register
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of MB86960A/MB86965A chip by a user supplied value,
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which is taken from the lower 7 bits of the flag value.
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This is a troubleshooting flag and should not be used
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without understanding of the adapter hardware.
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Consult the Fujitsu manual for more information
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on DLCR6 settings.
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.El
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.Sh HARDWARE
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Controllers and cards supported by the
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.Nm
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driver include:
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.Pp
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.Bl -bullet -compact
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.It
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Allied Telesis RE1000, RE1000Plus, ME1500 (110-pin)
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.It
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CONTEC C-NET(98)P2, C-NET (9N)E (110-pin), C-NET(9N)C (ExtCard)
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.It
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CONTEC C-NET(PC)C PC Card Ethernet
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.It
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Eagle Tech NE200T
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.It
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Eiger Labs EPX-10BT
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.It
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Fujitsu FMV-J182, FMV-J182A
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.It
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Fujitsu MB86960A, MB86965A
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.It
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Fujitsu MBH10303, MBH10302 PC Card Ethernet
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.It
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Fujitsu Towa LA501 Ethernet
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.It
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HITACHI HT-4840-11 PC Card Ethernet
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.It
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NextCom J Link NC5310
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.It
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RATOC REX-5588, REX-9822, REX-4886, and REX-R280
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.It
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RATOC REX-9880/9881/9882/9883
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.It
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TDK LAC-98012, LAC-98013, LAC-98025, LAC-9N011 (110-pin)
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.It
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TDK LAK-CD011, LAK-CD021, LAK-CD021A, LAK-CD021BX
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.It
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Ungermann-Bass Access/PC N98C+(PC85152, PC85142), Access/NOTE
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N98(PC86132) (110-pin)
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.El
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.Sh FEATURES SPECIFIC TO HARDWARE MODELS
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The
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.Nm
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driver has some features and limitations
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which depend on adapter hardware models.
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The following is a summary of these dependencies.
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.Ss Fujitsu FMV-180 series adapters
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Both automatic IRQ detection and automatic I/O port address detection
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is available with these adapters.
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.Pp
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Automatic I/O port address detection feature of
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.Nm
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works mostly fine for FMV-180 series.
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It works even if there are two or more FMV-180s in a system.
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However, some combination of other adapters may confuse the driver.
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It is recommended to explicitly specify
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.Ar port
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when you experience some difficulties with hardware probe.
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.Pp
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Automatic IRQ detection feature of
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.Nm
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works reliably for FMV-180 series.
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It is recommended to explicitly specify
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.Ar irq
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always for FMV-180.
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The hardware setting of IRQ is read
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from the configuration EEPROM on the adapter,
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even when the kernel config file specifies an IRQ value.
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The driver will generate a warning message,
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if the IRQ setting specified in
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.Pa /boot/device.hints
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does not match one stored in EEPROM.
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Then, it will use the value specified in the file.
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(This behavior has been changed from the previous releases.)
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.Ss Allied-Telesis AT1700 series and RE2000 series adapters
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Automatic I/O port address detection
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is available with Allied-Telesis AT1700 series and RE2000 series,
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while it is less reliable than FMV-180 series.
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Using the feature with Allied-Telesis adapters
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is not recommended.
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.Pp
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Automatic IRQ detection is also available with some limitation.
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The
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.Nm
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driver
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tries to get IRQ setting from the configuration EEPROM on the board,
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if
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.Ar irq
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is not specified in
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.Pa /boot/device.hints .
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Unfortunately,
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AT1700 series and RE2000 series seems to have two types of models;
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One type allows IRQ selection from 3/4/5/9,
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while the other from 10/11/12/15.
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Identification of the models are not well known.
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Hence, automatic IRQ detection with Allied-Telesis adapters
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may not be reliable.
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Specify an exact IRQ number if any troubles are encountered.
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.Pp
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Differences between AT1700 series and RE2000 series
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or minor models in those series are not recognized.
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.Ss Fujitsu MBH10302 PC card
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The
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.Nm
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driver supports Fujitsu MBH10302 and compatible PC cards.
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It requires the PC card (PCMCIA) support package.
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.Sh SEE ALSO
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.Xr netstat 1 ,
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.Xr ed 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Fx 2.0.5 .
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.Sh AUTHORS, COPYRIGHT AND DISCLAIMER
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The
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.Nm
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driver was originally written and contributed by
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.An M. Sekiguchi Aq Mt seki@sysrap.cs.fujitsu.co.jp ,
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following the
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.Nm ed
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driver written by
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.An David Greenman .
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PC card support in
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.Nm
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is written by
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.An Hidetoshi Kimura Aq Mt h-kimura@tokyo.se.fujitsu.co.jp .
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This manual page was written by
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.An M. Sekiguchi .
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.Pp
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.Em "All Rights Reserved, Copyright (C) Fujitsu Limited 1995"
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.Pp
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This document and the associated software may be used, modified,
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copied, distributed, and sold, in both source and binary form provided
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that the above copyright, these terms and the following disclaimer are
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retained.
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The name of the author and/or the contributor may not be
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used to endorse or promote products derived from this document and the
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associated software without specific prior written permission.
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.Pp
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THIS DOCUMENT AND THE ASSOCIATED SOFTWARE IS PROVIDED BY THE AUTHOR
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AND THE CONTRIBUTOR
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.Dq AS IS
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR OR THE
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CONTRIBUTOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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DOCUMENT AND THE ASSOCIATED SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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.Sh BUGS
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Following are major known bugs:
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.Pp
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Statistics on the number of collisions maintained by the
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.Nm
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driver is not accurate;
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the
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.Fl i
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option of
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.Xr netstat 1
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shows slightly less value than true number of collisions.
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.Pp
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More mbuf clusters are used than expected.
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The packet receive routine has an intended violation
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against the mbuf cluster allocation policy.
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The unnecessarily allocated clusters are freed within short lifetime,
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and it will not affect long term kernel memory usage.
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.Pp
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Although XNS and IPX support is included in the driver,
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it has never been tested and it is expected to have a lot of bugs.
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