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'\" te
.\" Copyright 2011 Jason King. All rights reserved.
.\" Copyright (c) 2001-2007 by Garrett D'Amore.
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions are met:
.\" 1. Redistributions of source code must retain the above copyright notice,
.\" this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright notice,
.\" this list of conditions and the following disclaimer in the documentation
.\" and/or other materials provided with the distribution.
.\" 3. Neither the name of the author nor the names of any co-contributors may
.\" be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
.\" CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
.\" EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
.\" PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
.\" OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
.\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
.\" Portions Copyright (c) 2007 by Sun Microsystems, Inc. All Rights Reserved.
.TH "PCN" "7D" "Jan 10, 2020"
.
.SH "NAME"
\fBpcn\fR \- PCnet Ethernet device driver
.SH "SYNOPSIS"
.nf
\fB/dev/pcn\fR
.fi
.SH "DESCRIPTION"
The \fBpcn\fR driver is a multi\-threaded, loadable, clonable GLDv3\-based
STREAMS driver supporting the Data Link Provider Interface \fBdlpi\fR(7P) for
the AMD PCnet family of Ethernet controllers.
.SH "APPLICATION PROGRAMMING INTERFACE"
The \fBpcn\fR driver can be used as either a "style 1" or a "style 2" Data Link
Service Provider. Physical points of attachment (PPAs) are interpreted as the
instance number of the \fBpcn\fR controller as assigned by the
operating environment.
.sp
.LP
The values returned by the driver in the \fBDL_INFO_ACK\fR response are:
.RS +4
.TP
.ie t \(bu
.el o
Maximum SDU is 1500.
.RE
.RS +4
.TP
.ie t \(bu
.el o
Minimum SDU is 0.
.RE
.RS +4
.TP
.ie t \(bu
.el o
The dlsap address length is 8.
.RE
.RS +4
.TP
.ie t \(bu
.el o
MAC type is \fBDL_ETHER\fR.
.RE
.RS +4
.TP
.ie t \(bu
.el o
SAP length is \-2. The 6\-byte physical address is immediately followed by a
2\-byte SAP.
.RE
.RS +4
.TP
.ie t \(bu
.el o
Service mode is \fBDL_CLDLS\fR.
.RE
.RS +4
.TP
.ie t \(bu
.el o
The broadcast address is the 6\-byte Ethernet broadcast address
(\fBff:ff:ff:ff:ff:ff\fR).
.SH "CONFIGURATION"
The \fBpcn\fR driver performs auto-negotiation to select the link speed and
mode. Link speed may be 100Mbps full\-duplex, 100Mbps half\-duplex,
10Mbps full\-duplex, or 10Mbps half\-duplex, depending on the hardware
adapter type. See the \fIIEEE802.3\fR standard for more information.
.sp
.LP
The capabilities advertised by the \fBpcn\fR device can be set using
\fBdladm\fR(1m). The driver supports a number of parameters whose names
begin with \fBen_\fR (see below). Each of these parameters contains a
boolean value that determines if the device advertises that mode of
operations. The \fBadv_autoneg_cap\fR parameter controls whether
auto-negotiation is performed. If \fBadv_autoneg_cap\fR is set to 0, the
driver forces the mode of operation selected by the first non-zero
parameter in priority order as shown below:
.sp
.in +2
.nf
(highest priority/greatest throughput)
en_100fdx_cap 100Mbps full duplex
en_10fdx_cap 10Mbps full duplex
(lowest priority/least throughput)
.fi
.in -2
.sp
.LP
All capabilities default to enabled. Note that changing any capability
parameter causes the link to go down while the link partners renegotiate
the link speed/duplex using the newly changed capabilities.
.SH "ATTRIBUTES"
See \fBattributes\fR(5) for a description of the following attributes:
.sp
.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE ATTRIBUTE VALUE
_
Architecture x86
_
Interface Stability Committed
.TE
.SH "FILES"
.ne 2
.na
\fB/dev/pcn\fR
.ad
.sp .6
.RS 4n
Special character device.
.RE
.sp
.ne 2
.na
\fB/kernel/drv/amd64/pcn\fR
.ad
.sp .6
.RS 4n
Device driver (x86)
.RE
.SH "SEE ALSO"
\fBattributes\fR(5), \fBstreamio\fR(7I), \fBdlpi\fR(7p)
.sp
.LP
\fIIEEE 802.3\fR \(em Institute of Electrical and Electronics Engineers, 2002
|
