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network question
Post 302256265 by scofiled83 on Saturday 8th of November 2008 11:45:10 PM
11-09-2008
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LEARN ABOUT NETBSD
sn
SN(4) BSD Kernel Interfaces Manual SN(4) NAME
sn -- National Semiconductor DP83932 (SONIC) based Ethernet device driver SYNOPSIS
arc sn0 at jazzio? mac68k sn* at obio? sn* at nubus? DESCRIPTION
The sn interface provides access to a 10 Mb/s Ethernet network via the National Semiconductor DP83932 (SONIC) Ethernet chip set. Each of the host's network addresses is specified at boot time with an SIOCSIFADDR ioctl(2). The sn interface employs the address resolution protocol described in arp(4) to dynamically map between Internet and Ethernet addresses on the local network. HARDWARE
arc The sn driver supports on-board JAZZ based SONIC interfaces found on Acer PICA and NEC machines. mac68k The sn driver is currently known to support the following NuBus cards: o Apple LC Twisted-pair (part #820-0532-A) PDS card o Cayman Gatorcard PDS o Dayna DaynaPort/E30 In addition, the sn interface supports the following interfaces: o on-board Ethernet for non-AV Quadras o on-board Ethernet for 500-series PowerBooks o Apple CS Ethernet Twisted-pair card for Comm Slot found on LC575, Quadra 630, LC630, and Performa 580. DIAGNOSTICS
sn%d: transmit FIFO underrun sn%d: receive FIFO overrun sn%d: receive buffer exceeded sn%d: receive buffers exhausted sn%d: receive descriptors exhausted These messages indicate that the interface gets errors (due to heavy load etc.) and reinitialized. SEE ALSO
arp(4), inet(4), netintro(4), ifconfig(8) HISTORY
The sn interface for mac68k, which was derived from a driver for old NetBSD/pica port, first appeared in NetBSD 1.3. Jason Thorpe has rewritten a new machine independent SONIC driver which uses bus_dma(9) and bus_space(9) APIs after NetBSD 1.5 release, and NetBSD/arc has been switched to using the machine independent (MI) driver. NetBSD/mac68k has also been switched to using the MI driver after the NetBSD 4.0 release. BSD
May 16, 2009 BSD