1.\" Written by Denis I. Timofeev, 2002. 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.\" 26.Dd January 8, 2002 27.Dt SBNI 4 i386 28.Os FreeBSD 29.Sh NAME 30.Nm sbni 31.Nd Granch SBNI12 leased line modem driver 32.Sh SYNOPSIS 33.Cd "device sbni" 34.Sh DESCRIPTION 35The 36.Nm sbni 37driver provides support for leased line modems of following models: 38.Pp 39.Bl -tag -compact 40.It Pa SBNI12-02, SBNI12D-02 41.It Pa SBNI12-04, SBNI12D-04 42.It Pa SBNI12-05, SBNI12D-05, ISA and PCI 43.It Pa SBNI12-10, SBNI12D-10, ISA and PCI 44.El 45.Pp 46and a kit for data link over a voice band 47SBNI12-11, SBNI12D-11, ISA and PCI. 48.Pp 49In addition to the standard port and irq specifications, the 50.Nm 51driver also supports a number of 52.Em flags 53which can set baud rate, receive level, and low three bytes of Ethernet 54MAC-address (high three always are 00:ff:01), because Granch modems is 55presented to the system as Ethernet-like netcards. 56.Pp 57The high byte of the 58.Em flags 59is a bit field, it's used to specify SBNI adapter receive level/baud rate: 60.Bd -literal 61 Bits 0-3: receive level (0x00..0x0f) 62 Bits 4-5: baud rate number: 63 00 - 0 baud rate (2Mb in fast mode/500kb in slow) 64 01 - 1 baud rate (1Mb/250kb) 65 10 - 2 baud rate (500kb/125kb) 66 11 - 3 baud rate (250kb/62.5kb) 67 Bit 6 : use fixed receive level 68 if bit 6 is set then receive level will be set according 69 to bits 0-3 value, otherwise receive level will be 70 autodetected 71 Bit 7 : use fixed baud rate 72 if bit 7 is set then baud rate will be set according to 73 bits 4-5 value, otherwise baud rate is set to 2Mb 74.Sh FILES 75The sources for the driver reside in: 76.Pp 77.Bl -tag -compact 78.It Pa /sys/dev/sbni/if_sbni.c 79.It Pa /sys/dev/sbni/if_sbnireg.h 80.It Pa /sys/dev/sbni/if_sbnivar.h 81.El 82.Sh SEE ALSO 83.Xr arp 4 , 84.Xr netintro 4 , 85.Xr ifconfig 8 86.Sh HISTORY 87The 88.Nm 89device driver first appeared in 90.Fx 4.6 . 91.Sh AUTHORS 92The 93.Nm sbni 94device driver for FreeBSD 4.x was written by Denis I. Timofeev, partially 95based on David Greenman's 96.Nm ed 97driver. Earlier versions (available on ftp.granch.com) were written by 98Alexey V. Zverev. 99.Pp 100SBNI12 hardware was designed by Alexey V. Chirkov. 101