1.\" 2.\" Copyright (c) 1997 Colin Wood 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.\" 3. All advertising materials mentioning features or use of this software 14.\" must display the following acknowledgement: 15.\" This product includes software developed by Colin Wood. 16.\" 4. The name of the author may not be used to endorse or promote products 17.\" derived from this software without specific prior written permission 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" $NetBSD: sn.4,v 1.2 2009/05/17 02:36:10 fair Exp $ 31.\" 32.Dd May 16, 2009 33.Dt SN 4 34.Os 35.Sh NAME 36.Nm sn 37.Nd National Semiconductor DP83932 (SONIC) based Ethernet device driver 38.Sh SYNOPSIS 39.Ss arc 40.Cd "sn0 at jazzio?" 41.Ss mac68k 42.Cd "sn* at obio?" 43.Cd "sn* at nubus?" 44.Sh DESCRIPTION 45The 46.Nm 47interface provides access to a 10 Mb/s Ethernet network via the 48National Semiconductor DP83932 49.Pq Tn SONIC 50Ethernet chip set. 51.Pp 52Each of the host's network addresses is specified at boot time with an 53.Dv SIOCSIFADDR 54.Xr ioctl 2 . 55The 56.Nm 57interface employs the address resolution protocol described in 58.Xr arp 4 59to dynamically map between Internet and Ethernet addresses on the 60local network. 61.Sh HARDWARE 62.Ss arc 63The 64.Nm 65driver supports on-board JAZZ based SONIC interfaces found 66on Acer PICA and NEC machines. 67.Ss mac68k 68The 69.Nm 70driver is currently known to support the following NuBus cards: 71.Bl -bullet -offset indent -compact 72.It 73Apple LC Twisted-pair (part #820-0532-A) PDS card 74.It 75Cayman Gatorcard PDS 76.It 77Dayna DaynaPort/E30 78.El 79.Pp 80In addition, the 81.Nm 82interface supports the following interfaces: 83.Bl -bullet -offset indent -compact 84.It 85on-board Ethernet for non-AV Quadras 86.It 87on-board Ethernet for 500-series PowerBooks 88.It 89Apple CS Ethernet Twisted-pair card for Comm Slot found on 90LC575, Quadra 630, LC630, and Performa 580. 91.El 92.Sh DIAGNOSTICS 93.Bl -diag -compact 94.It sn%d: transmit FIFO underrun 95.It sn%d: receive FIFO overrun 96.It sn%d: receive buffer exceeded 97.It sn%d: receive buffers exhausted 98.It sn%d: receive descriptors exhausted 99These messages indicate that the interface gets errors 100(due to heavy load etc.) and reinitialized. 101.El 102.Sh SEE ALSO 103.Xr arp 4 , 104.Xr inet 4 , 105.Xr netintro 4 , 106.Xr ifconfig 8 107.Sh HISTORY 108The 109.Nm 110interface for mac68k, which was derived from a driver for old 111.Nx Ns /pica 112port, first appeared in 113.Nx 1.3 . 114.Pp 115Jason Thorpe has rewritten a new machine independent SONIC driver which uses 116.Xr bus_dma 9 117and 118.Xr bus_space 9 119APIs after 120.Nx 1.5 121release, and 122.Nx Ns /arc 123has been switched to using the machine independent (MI) driver. 124.Pp 125.Nx Ns /mac68k 126has also been switched to using the MI driver after the 127.Nx 4.0 128release. 129