diff options
Diffstat (limited to 'share/man/man4/utopia.4')
| -rw-r--r-- | share/man/man4/utopia.4 | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/share/man/man4/utopia.4 b/share/man/man4/utopia.4 new file mode 100644 index 0000000..00020ea --- /dev/null +++ b/share/man/man4/utopia.4 @@ -0,0 +1,196 @@ +.\" Copyright (c) 2003 +.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus). +.\" All rights reserved. +.\" +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. +.\" +.\" Author: Hartmut Brandt <harti@FreeBSD.org> +.\" +.\" $FreeBSD$ +.\" +.Dd November 22, 2006 +.Dt UTOPIA 4 +.Os +.Sh NAME +.Nm utopia +.Nd "driver module for ATM PHY chips" +.Sh SYNOPSIS +To compile this driver into the kernel, +place the following line in your +kernel configuration file: +.Bd -ragged -offset indent +.Cd "device utopia" +.Ed +.Pp +Alternatively, to load the driver as a +module at boot time, place the following line in +.Xr loader.conf 5 : +.Bd -literal -offset indent +utopia_load="YES" +.Ed +.Sh DESCRIPTION +This module is used by all ATM drivers for cards that use +PMC-Sierra S/Uni and IDT77105/IDT77155 +chips to provide uniform functionality. +The module implements status monitoring +in either interrupt or polling mode, media option handling and application +access to chip registers. +.Pp +The driver implements several sysctls that are accessible under the +.Va hw.atm. Ns Ao Ar iface Ac Ns Va .\& +tree, where +.Ar iface +is the name of the ATM interface: +.Bl -tag -width indent +.It Va phy_regs +When reading this sysctl an array of 8-bit unsigned integers is returned +containing all accessible chip registers starting at register 0. +A register can be written by writing three 8-bit unsigned integers to the +sysctl: the register number, the new value and a bit mask. +This changes all bits in the register for which the corresponding bit in the +mask is one to the bit values from value. +Note that not all registers may +be writeable. +.It Va phy_loopback +allows to put the interface in one of several loopback modes. +Not all modes and all combinations of modes are supported on all chips. +The possible modes are: +.Bl -tag -width indent +.It Dv UTP_LOOP_NONE Pq No 0x00 +No loopback, normal operation. +.It Dv UTP_LOOP_TIME Pq No 0x01 +Timing source loopback. +When this is set the transmitter's clock is +derived from the receiver's clock. +.It Dv UTP_LOOP_DIAG Pq No 0x02 +Diagnostic loopback. +In this mode the receiver's input is connected to the +transmitter's output. +The receiver gets back everything that is sent. +The +transmitter operates normally. +.It Dv UTP_LOOP_LINE Pq No 0x04 +Serial line loopback. +This connects the line receiver to the line transmitter. +The chip transmits all cells back that it receives. +The receiver operates +normally. +.It Dv UTP_LOOP_PARAL Pq No 0x08 +Parallel diagnostic loopback. +This feeds back all transmitted cells into the +receiver between the parallel/serial converters. +The transmitter +operates normally. +.It Dv UTP_LOOP_TWIST Pq No 0x10 +Twisted pair diagnostic loopback. +Connects the high speed receive data to the +high speed transmit data. +All received data is sent back. +The receiver +operates normally. +.It Dv UTP_LOOP_PATH Pq No 0x20 +Diagnostic path loopback. +This connects the receiver input to the transmitter +output just between the path overhead processor and the byte mux. +The +transmitter operates normally. +.El +.It Va phy_type +This is the detected type of the phy chip. +Currently the following chips are +supported: +.Bl -tag -width indent +.It Dv UTP_TYPE_UNKNOWN Pq No 0 +The module could not determine the type of the PHY chip. +.It Dv UTP_TYPE_SUNI_LITE Pq No 1 +PMC-5346 (S/Uni-Lite) +.It Dv UTP_TYPE_SUNI_ULTRA Pq No 2 +PMC-5350 (S/Uni-Ultra) +.It Dv UTP_TYPE_SUNI_622 Pq No 3 +PMC-5355 (S/Uni-622) +.It Dv UTP_TYPE_IDT77105 Pq No 4 +IDT77105 (25.6MBit UTP interface) +.It Dv UTP_TYPE_IDT77155 Pq No 5 +IDT77155 (155MBit interface) +.El +.It Va phy_name +This is a string describing the type of the PHY chip. +.It Va phy_stats +Physical and some ATM layer statistics. +These are the statistics usually +provided by the chip. +The data is a returned in the following structure: +.Bd -literal +struct utopia_stats1 { + uint32_t version; /* version of this struct */ + uint32_t fill; + uint64_t rx_sbip; /* rx section BIP errors */ + uint64_t rx_lbip; /* rx line BIP errors */ + uint64_t rx_lfebe; /* rx line far end block errors */ + uint64_t rx_pbip; /* rx path BIP errors */ + uint64_t rx_pfebe; /* rx path far end block errors */ + uint64_t rx_cells; /* received cells */ + uint64_t rx_corr; /* correctable cell errors */ + uint64_t rx_uncorr; /* uncorrectable cell errors */ + uint64_t rx_symerr; /* symbol errors */ + uint64_t tx_cells; /* transmitted cells */ +}; +.Ed +.Pp +The current version is 1. +The statistics are updated from the chip once +a second. +On overflow the counters wrap to zero. +Note that not all counters +are meaningful for all PHY chips. +The statistics are cleared by writing an +arbitrary new value (the value is ignored). +.El +.Pp +The +.Nm +module also interfaces with the ifmedia system. +The module reports the current state of the carrier and will issue a +warning message when the carrier state changes. +While the physical media itself cannot be changed, several media options can: +.Bl -tag -width indent +.It Cm SDH +If the PHY is a Sonet/SDH chip this flag switches the interface into SDH mode. +If this option is not set (the default) the interface is in Sonet mode. +.It Cm noscramb +If the PHY is a Sonet/SDH chip disable scrambling. +This may be useful for debugging purposes. +.It Cm unassigned +Normally the interface emits idle cells when there are no other cells to +transmit. +This changes the default cell type to unassigned cells. +This +may be needed for interworking with public networks. +.El +.Sh SEE ALSO +.Xr en 4 , +.Xr fatm 4 , +.Xr hatm 4 , +.Xr patm 4 , +.Xr utopia 9 +.Sh AUTHORS +.An Harti Brandt Aq harti@FreeBSD.org |
