<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
<TITLE>Linux Ethernet-Howto: $B5;=Q>pJs(B</TITLE>
<LINK HREF="Ethernet-HOWTO-9.html" REL=next>
<LINK HREF="Ethernet-HOWTO-7.html" REL=previous>
<LINK HREF="Ethernet-HOWTO.html#toc8" REL=contents>
</HEAD>
<BODY>
<A HREF="Ethernet-HOWTO-9.html">$B<!$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO-7.html">$BA0$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO.html#toc8">$BL\<!$X(B</A>
<HR>
<H2><A NAME="tech-intro"></A> <A NAME="s8">8. $B5;=Q>pJs(B</A></H2>
<P>
<P>
<P>$B4{B8$N%I%i%$%P$GM7$s$G$_$?$$J}$d!"$^$@%5%]!<%H$5$l$F$$$J$$%+!<%I$N%I%i(B
$B%$%P$r<+J,<+?H$G=q$$$F$_$?$$J}$K$O!"$3$N>pJs$O$H$F$bLr$KN)$A$^$9!#$b$7!"(B
$B$"$J$?$,>e$K5s$2$?$h$&$JJ}$G$J$1$l$P!"$3$N>O$OHt$P$9$H$h$$$G$7$g$&!#(B
<P>
<H2><A NAME="data-xfer"></A> <A NAME="ss8.1">8.1 $B%W%m%0%i%`%I(B I/O $BBP(B $B6&M-%a%b%j(B $BBP(B DMA</A>
</H2>
<P>$B7d4V$N$J$$%Q%1%C%H$NAw<u?.$,4{$K$G$-$F$$$l$P!"$=$l0J>e$N%S%C%H%G!<%?$r(B
$B%M%C%H%o!<%/$KN.$9$3$H$O$G$-$^$;$s!#8=:_$N%$!<%5%M%C%H%+!<%I$OA4$F!"7d(B
$B4V$J$/$d$C$F$/$k%Q%1%C%H$r<u$1<h$k$3$H$,$G$-$^$9!#(BLinux $B$N(B DP8390 $B%I%i(B
$B%$%P(B(wd80x3, SMC-Ultra, 3c503, ne2000 $BEy(B)$B$O!"$b$&>/$7$G7d4V$J$/%Q%1%C(B
$B%H$rAw?.$G$-$k=j$^$GMh$F$$$^$9(B($B$3$l$O8=:_$N3d$j9~$_$NCY1d$K0MB8$7$^$9(B)$B!#(B
$B$^$?!"(B3c509 $B$H(B AT1500 $B$N%O!<%I%&%'%"$O<+F0E*$K7d4V$,$J$$%Q%1%C%H$rAw?.(B
$B$9$k$N$GA4$/LdBj$"$j$^$;$s!#(B
<P>ISA $B%P%9$O(B 5.3MB/$BIC(B(42Mb/$BIC(B)$B$r=hM}$G$-$^$9!#$3$l$O(B 10Mbps $B$N%$!<%5%M%C(B
$B%H$KBP$7$F$O==J,0J>e$K;W$o$l$^$9!#(B100Mbps $B$N%+!<%I$N>l9g$K$O!"%M%C%H%o!<(B
$B%/$N%P%s%II}$N287C$r<u$1$k$?$a$K$O9bB.$J%P%9$,L@$i$+$KI,MW$G$9!#(B
<P>
<H3>$B%W%m%0%i%`%I(B I/O (NE2000, 3c509 $BEy(B)</H3>
<P>$BMxE@(B: $B@)8BIU$-$N%7%9%F%`%j%=!<%9$r;H$o$:!"(BI/O $B%l%8%9%?$r?t8D;H$&$@$1$G(B
$B$"$k!#(B16M $B$N@)8B$r<u$1$J$$!#(B
<P>$B7gE@(B: $BIaDL$OE>AwB.EY$,:G$bCY$$!#(BCPU $B$O$:$C$HBT$A>uBV$H$J$j!"(B
$B%$%s%?%j!<%V=hM}$5$l$k%Q%1%C%H$N%"%/%;%9$OIaDL$O:$Fq$G$"$k$+!"IT2DG=$G(B
$B$"$k!#(B
<P>
<H3>$B6&M-%a%b%j(B(WD80x3, SMC-Ultra, 3c503 $BEy(B)</H3>
<P>$BMxE@(B: $BC1=c$+$D%W%m%0%i%`%I(B I/O $B$h$j9bB.$G!"%Q%1%C%H$X$N%i%s%@%`$J%"%/(B
$B%;%9$,2DG=$G$"$k!#2DG=$G$"$l$P!"(BLinux $B$N%I%i%$%P$O$d$C$F$-$?(B
IP $B%Q%1%C%H$r%+!<%I$+$i%3%T!<$9$k:]$K$=$N%A%'%C%/%5%`$r7W;;$9$k!#(B
$B$3$l$K$h$j!"F1Ey$N(B PIO $B%+!<%I$h$j$b(B CPU $B$N;HMQNL$,>/$J$$!#(B
<P>$B7gE@(B: $B%a%b%j6u4V$r$?$/$5$s>CHq$9$k(B(DOS $B%f!<%6$K$H$C$F$OB?$$$G$7$g$&!#(B
Linux $B$G$OK\<AE*$K$O$"$^$j4X78$"$j$^$;$s(B)$B!#$^$?!"(BPIO $B%+!<%I$h$j>/$J$$(B
$B$K$;$h!"$=$l$G$b(B CPU $B$r$?$/$5$s;H$&!#(B
<P>
<H3>$B%9%l!<%V(B($BIaDL(B)$B$ND>@\%a%b%j%"%/%;%9(B(Linux $B$G;H$($k%+!<%I$O$"$j$^$;$s(B!)</H3>
<P>
<P>$BMxE@(B: $B<B:]$N%G!<%?E>Aw$N4V$O(B CPU $B$,2rJ|$5$l$k!#(B
<P>$B7gE@(B: $B6-3&>r7o$N%A%'%C%/!"O"B3$7$?%P%C%U%!$N3d$jEv$F!"(BDMA $B%l%8%9%?$N%W(B
$B%m%0%i%_%s%0$,$"$k$?$a!"A4$F$N5;=Q$NCf$G0lHVF0:n$,CY$$!#4u>/$J(B
DMA $B%A%c%M%k$r$?$/$5$s;H$&>e$K!"Dc0L%a%b%j>e$K%P%C%U%!$r;}$?$J$1$l$P$J$i$J$$!#(B
<P>
<H3><A NAME="master"></A> $B%P%9%^%9%?D>@\%a%b%j%"%/%;%9(B(LANCE, DEC 21040 $BEy(B) </H3>
<P>$BMxE@(B: $B%G!<%?E>Aw$N4V(B CPU $B$r2rJ|$9$k!#J#?t$N%P%C%U%!$r7R$2$k$3$H$,$G$-!"(B
ISA $B%P%9$G$b(B CPU $B;~4V$r$"$^$jL5BL$K$7$J$$$+!"$[$H$s$IL5BL$K$7$J$$!#(B
$B%P%9%^%9%?$r9T$&(B Linux $B$N%I%i%$%P$NBgItJ,$O8=:_(B `copybreak' $B%9%-!<%`$r(B
$B;H$C$F$$$k!#$3$N%9%-!<%`$G$O!"Bg$-$J%Q%1%C%H$O%+!<%I$+$iD>@\%+!<%M%k$N(B
$B%M%C%H%o!<%/%P%C%U%!$KF~$l$i$l!">.$5$J%Q%1%C%H$O(B CPU $B$K$h$C$F%3%T!<$5(B
$B$l!"(BCPU $B$O8e$G$N=hM}$N$?$a$K%-%c%C%7%e$K%Q%1%C%H$NFbMF$rCN$i$;$k!#(B
<P>$B7gE@(B: (ISA $B%P%9$N%+!<%I$K$@$1Ev$F$O$^$k(B)
$BDc0L%a%b%j$N%P%C%U%!$H!"%+!<%IMQ$N(B DMA $B%A%c%M%k$rI,MW$H$9$k!#$I$s$J%P(B
$B%9%^%9%?%+!<%I$G$b!"%P%9$r?)$$DY$9B>$N%P%9%^%9%?%+!<%I$,$"$k$HLdBj$r5/(B
$B$3$9!#Nc$($P!"$3$N$h$&$J%+!<%I$H$7$F$O=i4|$N(B SCSI $B%"%@%W%?$,$"$k!#(B
$B@_7W$,0-$$0lIt$N%^%6!<%\!<%IMQ%A%C%W%;%C%H$O!"%P%9%^%9%?%+!<%I$GLdBj$r(B
$B5/$3$9!#(B<EM>$B$I$s$J(B</EM>$B<oN`$N(B DMA $B%G%P%$%9$b;H$($J$$>l9g$H$7$F$O!"(B
386 $B$N%=%1%C%H$KA^$7$FCV$-49$($k$h$&$K@_7W$5$l$?(B 486 $B%W%m%;%C%5$r;H$&(B
$B>l9g$,$"$k!#$3$N$h$&$J%W%m%;%C%5$O!"(BDMA $B<~4|$N3F%5%$%/%k$G%-%c%C%7%e$r(B
$B%U%i%C%7%e$9$k!#(B($B$3$l$K$O(B Cx486DLC, Ti486DLC, Cx486SLC, Ti486SLC $BEy$,(B
$B4^$^$l$k!#(B)
<P>
<P>
<H2><A NAME="skel"></A> <A NAME="ss8.2">8.2 $B%I%i%$%P$r=q$/(B</A>
</H2>
<P>
<P>$B$A$c$s$HF0$$$F$/$l$k%I%i%$%P$5$($"$l$P!"$I$s$J%$!<%5%M%C%H%+!<%I$G(B
$B$b(B Linux $B$GMxMQ$G$-$^$9!#$3$N$?$a$K$O%a!<%+!<$,%W%m%0%i%_%s%0$K4X$9$k(B
$B5;=QE*>pJs$r!"?M@8$rJ|4~$9$k=qN`$K%5%$%s$9$kI,MW$J$7$K!"0lHL$K8~$1$F8x(B
$B3+$9$k$3$H$,@dBP>r7o$G$9!#J8=q$rF@$i$l$k$+$I$&$+(B($B$"$J$?$,%3!<%I$r=q$+(B
$B$J$$$N$J$i$P!"$"$J$?$,K\Ev$KM_$7$$%I%i%$%P$rC/$+$,=q$$$F$/$l$k$+$I$&$+(B)
$B$NNI$$%,%$%I$O!"(BCrynwr $B$5$s(B($B5l@+(B Clarkson $B$5$s(B)$B$N%Q%1%C%H%I%i%$%P$,F~(B
$B<j$G$-$k$+$I$&$+$G$9!#(BRuss Nelson $B$5$s$O$3$N:n@o$r<B9T$7$F!"(BLinux $BMQ$N(B
$B%I%i%$%P$N3+H/$r%5%]!<%H$9$k$N$KBgJQM-MQ$J$3$H$r<B>Z$7$^$7$?!#%M%C%H%5!<(B
$B%U%!!<$J$i0J2<$N(B Russ' software $B$N(B URL $B$r8+$F$/$@$5$$(B:
<P>
<A HREF="http://www.crynwr.com/crynwr/home.html">Russ Nelson's Packet Drivers</A><P>$B%I%-%e%a%s%H$rF~<j$G$-$l$P!"<+J,$G%+!<%IMQ$N%I%i%$%P$r=q$-!"$=$l$r(B
Linux $B>e$G;H$&$3$H$,$G$-$^$9(B($B>/$J$/$H$bM}6~$H$7$F$O(B)$B!#(BXT $B%^%7%sMQ$K@_7W(B
$B$5$l$?$$$/$D$+$N8E$$%O!<%I%&%'%"$O(B Linux $B$J$I$N%^%k%A%?%9%/$J4D6-$G$O(B
$B$&$^$/F0$$$F$/$l$J$$$H$$$&$3$H$r3P$($F$$$F$/$@$5$$!#(BXT $B%?%$%W$N$b$N$r(B
$B;H$&>l9g!"BgNL$N%H%i%U%#%C%/$r07$&$H$-$KBg$-$JLdBj$,H/@8$9$k$3$H$,$"$j(B
$B$^$9!#(B
<P>$B$[$H$s$I$N%+!<%I$O(B NDIS $B$d(B ODI $B$J$I(B MS-DOS $BMQ$N%I%i%$%P$,IUB0$7$F$$$^(B
$B$9$,!"(B Linux $B$K$O$3$l$i$N$b$N$OL5MQ$G$9!#B?$/$N?M$OD>@\%j%s%/$7$?$j!"(B
$B<+F0E*$KJQ49$9$k$3$H$rDs0F$7$F$$$^$9$,!"$3$l$OIT2DG=$K6a$$$N$G$9!#(B
MS-DOS $BMQ$N%I%i%$%P$O(B 16 $B%S%C%H%b!<%I$GF0:n$7!"%=%U%H%&%'%"3d$j9~$_$r;H$C(B
$B$F%U%C%/$7$^$9$,!"N><T$H$b(B Linux $B%+!<%M%k$G$OIT2DG=$J$b$N$G$9!#(BLinux
$BMQ$N%I%i%$%P$NCf$K$O(B MS-DOS $BMQ$N$b$N$h$j$bCx$7$/M%$l$?$b$N$b$"$k$N$G$9(B
$B$+$i!"$3$&$$$C$?Hs8_49@-$b5!G=$N$&$A$H$$$&$,K\Ev$N$H$3$m$G$7$g$&!#Nc$((B
$B$P!"(B 8390 $B%7%j!<%:$N%I%i%$%P$O(B MS-DOS $B$N@$3&$K$N$_CN$i$l$F$$$k%T%s%]%s(B
$BE>Aw%P%C%U%!$rMxMQ$7$F$$$^$9!#$3$NHs8_49@-$O<B:]$K$O;EMM$G$"$j!"$$$/$D(B
$B$+$N(B Linux $BMQ$N%I%i%$%P$O(BMS-DOS $BMQ$N$=$l$h$j$bAjEv$KNI$$$b$N$G$9!#(B
<P>($B%T%s%]%sE>Aw%P%C%U%!$H$O>/$J$/$H$b(B 2 $B$D$N:GBg%5%$%:$N%Q%1%C%H%P%C%U%!(B
$B$rE>AwMQ%Q%1%C%H$K;H$&$H$$$&$3$H$r0UL#$7$^$9!#0lJ}$O%+!<%I$,$b$&JRJ}$N(B
$B%P%C%U%!$rE>Aw$7$F$$$k4V$K%m!<%I$5$l$^$9!#%P%C%U%!$NE>Aw$,=*$k$H$9$0$K(B
$B<!$N%P%C%U%!$,<!!9$KE>Aw$5$l$^$9!#$3$N$h$&$K$7$F!"$[$H$s$I$N%+!<%I$OO"(B
$BB3$7$F$d$C$F$/$k%Q%1%C%H$rE>Aw$9$k$3$H$,$G$-$k$N$G$9!#(B)
<P>$B$5$F!"%W%m%0%i%_%s%0$K4X$9$k>pJs$r<j$KF~$l!"$=$l$,$$$^$@<BAu$5$l$F$$$J(B
$B$$$N$@$+$i(B(... $B$3$NFs$D$O<gMW$JI,MW>r7o$G$9(B ;-)$B!"$I$3$+$N%$!<%5%M%C%H(B
$B%+!<%IMQ$K%I%i%$%P$r=q$/$3$H$r7h0U$5$l$^$7$?$M!#(BLinux $B$N%+!<%M%k%=!<%9%D%j!<(B
$B$K4^$^$l$F$$$k9|AH$_$H$J$k$h$&$J%M%C%H%o!<%/%I%i%$%P$+$i;O$a$k$Y$-$G$9!#(B
$B$3$l$O:G6a$N%+!<%M%k$N(B /usr/src/linux/drivers/net/skelton.c $B$K$"$j$^$9!#(B
$B$^$?!"0J2<$K5s$2$k(B URL $B$N!V(BKernel Hackers Guide$B!W$b8+$F$_$k$HNI$$$G$7$g(B
$B$&(B:
<A HREF="http://www.redhat.com:8080/HyperNews/get/khg.html">KHG</A><P>
<H2><A NAME="ss8.3">8.3 $B%+!<%M%k$X$N%I%i%$%P%$%s%?%U%'!<%9(B</A>
</H2>
<P>
<P>$B?7$7$/%I%i%$%P$r:n$k:]$K!"$"$J$?$,=q$+$J$1$l$P$J$i$J$$4X?t$K4X$9$k$$$/(B
$B$D$+$NCm0U$,$"$j$^$9!#>e5-$N9|AH$_%I%i%$%P$HJB9T$7$F$3$3$K=q$+$l$F(B
$B$"$k$3$H$rFI$`$H!">u67$r$O$C$-$j$5$;$k<j=u$1$K$J$k$G$7$g$&!#(B
<P>
<H3>$B<+F08!=P(B</H3>
<P>
<P>$B5/F0;~$K%+!<%I$NB8:_$r8!::$7$^$9!#%a%b%j$J$I$+$iFI$_9~$`$3$H$K$h$C$F(B
$B$"$^$j$G$7$c$P$i$:$K8!::$9$k$N$,%Y%9%H$G$7$g$&!#(BI/O $B%]!<%H$+$iFI$_9~$`(B
$B$3$H$b$G$-$^$9!#B>$N%G%P%$%9$r(B kill $B$7$F$7$^$&$+$bCN$l$J$$$N$G!"8!=P;~(B
$B$K(B I/O $B%]!<%H$KBP$9$k=i4|=q$-9~$_$ONI$/$"$j$^$;$s!#$$$/$D$+$N%G%P%$%9(B
$B$N=i4|2=$ODL>o$3$NCJ3,$G9T$o$l$^$9(B (I/O $B6u4V(B $B$d(B IRQ $B$r3d$jEv$F!"(B
dev->??? $B%U%#!<%k%I$KCM$rBeF~$7$^$9(B)$B!#$"$J$?$O$=$N%+!<%I$,$I$N(B I/O $B%]!<(B
$B%H(B/$B%a%b%j(B $B$K@_Dj$G$-$k$N$+!"(B($B$b$7;H$o$l$F$$$k$N$G$"$l$P(B) $B6&M-%a%b%j(B
$B$r$I$N$h$&$KM-8z$K$9$k$N$+!"$^$?3d$j9~$_H/@8$r$I$N$h$&$KA*Br(B/$BM-8z$K(B
$B$9$k$N$+$rCN$C$F$$$kI,MW$,$"$j$^$9!#(B
<P>
<H3>$B3d$j9~$_%O%s%I%i(B</H3>
<P>
<P>$B%+!<%I$,3d$j9~$_$rH/@8$5$;$k$H%+!<%M%k$K$h$C$F8F$P$l$^$9!#$3$l$O%+!<%I(B
$B$,$J$<3d$j9~$_$rH/@8$5$;$?$N$+$rD4$Y!"$=$l$K1~$8$?=hM}$r9T$&$H$$$&$3$H(B
$B$rC4Ev$7$^$9!#DL>o!"3d$j9~$_$,@8$8$k>r7o$O!"%G!<%?$,5-O?$5$l$?$j!"E>Aw(B
$B$,=*N;$7$?$j!"%(%i!<$N>uBV$r%l%]!<%H$9$k>l9g$J$I$G$9!#$3$N>r7o$K1~$8$F(B
$B=hM}$r9T$&$3$H$,$G$-$k$h$&$K!"4X78$9$k3d$j9~$_>uBV$rJ];}$9$k%S%C%H$rCN$C(B
$B$F$$$kI,MW$,$"$j$^$9!#(B
<P>
<H3>$BE>Aw4X?t(B </H3>
<P>
<P>dev->hard_start_xmit() $B$KO"7k$5$l$F$*$j!"%+!<%M%k$,%G%P%$%9$K=PNO$9(B
$B$k$Y$-%G!<%?$,B8:_$9$k>l9g$K8F$P$l$^$9!#$3$l$K$h$C$F%G!<%?$,%+!<%I$K=P(B
$BNO$5$l!"E>Aw$,9T$o$l$^$9!#$=$N$?$a$K$O$I$N$h$&$K%G!<%?$r$^$H$a%+!<%I$K(B
$B=PNO$9$k$+(B($B6&M-%a%b%j!<%3%T!<$+!"(BPIO $BE>Aw$+!"(BDMA $B$+(B?)$B!"$^$?$I$N$h$&$K$7(B
$B$F%+!<%I>e$N@5$7$$0LCV$K=PNO$9$k$+CN$C$F$$$kI,MW$,$"$k$G$7$g$&!#99$K$$(B
$B$+$K$7$F%1!<%V%k$X8~$1$F%+!<%I$,%G!<%?$rE>Aw$9$k$h$&$K;X<($7E>Aw8e3d$j(B
$B9~$_$rH/@8$5$;$k$+$rCN$C$F$$$kI,MW$,$"$j$^$9!#%O!<%I%&%'%"$,<!$N%Q%1%C(B
$B%H$r<u$1IU$1$k$3$H$,$G$-$J$$>l9g!"(Bdev->tbusy $B%U%i%0$,%;%C%H$5$l$^$9!#(B
$B$^$?%Q%1%C%H$r<u$1IU$1$k$?$a$N%P%C%U%!$,6u$$$F$$$k>l9g(B($BDL>o!"E>Aw40N;(B
$B;~$N3d$j9~$_$N4V(B)$B!"(Bdev-tbusy $B$O%/%j%"$5$l(B mark_bh(INET_BH) $B$K$h$C$F$h(B
$B$j>e0L$NAX$X$HEA$($i$l$^$9!#(B
<P>
<P>
<H3>$B<u?.4X?t(B </H3>
<P>
<P>$B%+!<%M%k$N3d$j9~$_%O%s%I%i$,<u?.4X?t$r8F$S=P$9$N$O!"!V>pJs$,$"$k!W$H%+!<(B
$B%I$,Js9p$7$F$-$?;~$G$9!#<u?.4X?t$O%+!<%I$+$i%G!<%?$r<hF@$7!"(Bsk_buff
$B$KJ];}$7(B netif_rx(sk_buff) $B$K$h$C$F%+!<%M%k$K<u?.$7$?%G!<%?$,B8:_$9$k(B
$B$3$H$rCN$i$;$^$9!#%G!<%?<u?.;~$N3d$j9~$_H/@8$rM-8z$K$9$kJ}K!!"(B
$B4X78$9$k<u?.%9%F!<%?%9%S%C%H$r%A%'%C%/$9$kJ}K!!"%+!<%I$+$i%G!<%?$r<u$1(B
$B<h$kJ}K!(B($BE>Aw;~$HF1$8$/!"6&M-%a%b%j!<(B, PIO, DMA $BEy$N$$$:$l$+(B)$B$rM}2r$7(B
$B$F$$$kI,MW$,$"$k$G$7$g$&!#(B
<P>
<H3>$B%*!<%W%s4X?t(B </H3>
<P>
<P>$B%*!<%W%s4X?t$O(B dev->open $B$KO"7k$5$l$F$*$j!"(B<CODE>ifconfig eth0 up</CODE> $B$,(B
$B<B9T$5$l$?$H$-(B - $B$3$l$O%G%P%$%9$r%*%s%i%$%s$K$7%G!<%?$NAw?.$rM-8z$7$^(B
$B$9(B - $B%M%C%H%o!<%/AX$K$h$C$F8F$P$l$^$9!#%G%P%$%9$N<+F08!=P;~(B(IRQ $B$NM-8z(B
$B2=$J$I(B)$B$K9T$o$l$J$+$C$?FC<l$J=i4|2==hM}$,$3$3$G$J$5$l$^$9!#(B
<P>
<H3>$B%/%m!<%:4X?t(B ($B>JN,2DG=(B)</H3>
<P>
<P>$B%/%m!<%:4X?t$O(B <CODE>ifconfig eth0 down</CODE> $B$,<B9T$5$l$?$H$-$K%+!<%I$r@5>o(B
$B$J>uBV$K@_Dj$7$^$9!#%O!<%I%&%'%"$,5v2D$9$l$P(B IRQ $B$H(B DMA $B%A%c%M%k$r3+J|$7!"(B
$B%H%i%s%7!<%P$N$h$&$JEE8;6!5k85$r%*%U$K$7$^$9!#(B
<P>
<P>
<H3>$B$=$NB>$N4X?t(B </H3>
<P>
<P>$B$3$NItN`$N4X?t$K$O%j%;%C%H4X?t$N$h$&$J$b$N$,4^$^$l$^$9!#%I%i%$%P$O:G=*(B
$B<jCJ$H$7$F%+!<%I$r%j%;%C%H$G$-$^$9!#$3$l$i$ODL>o!"Aw?.$,%?%$%`%"%&%H$9(B
$B$k$J$I$7$?>l9g$K9T$o$l$^$9!#$^$?!"%+!<%I>e$KE}7WE*%G!<%?$rJ]B8$7$F$*$/(B
$B%l%8%9%?$,Hw$o$C$F$$$k>l9g!"$=$N%G!<%?$rFI$_9~$`4X?t$b$"$j$^$9!#(B
<P>
<H2><A NAME="ss8.4">8.4 3Com $B$+$i$N5;=Q>pJs(B</A>
</H2>
<P>
<P>$B$b$7$"$J$?$,(B 3Com $BMQ$N%I%i%$%P$K4X$7$F6=L#$r;}$C$F$$$k$N$J$i!"(B 3Com $B$+(B
$B$i5;=Q>pJs$rF@$k$3$H$,$G$-$^$9!#(B Cameron $B$O?F@Z$K$b!"$I$N$h$&$K$9$l$P(B
$B$$$$$N$+65$($F$/$l$^$7$?!#(B
<P>3Com $B$N%$!<%5%M%C%H%"%@%W%?$O!V%F%/%K%+%k(B $B%j%U%!%l%s%9!W(B(TRs) $B$NCf$G(B
$B%I%i%$%P$r=q$/?M$N$?$a$K2r@b$5$l$F$$$^$9!#$3$l$i$N%^%K%e%"%k$O%\!<%I$X(B
$B$N%W%m%0%i%`%$%s%?%U%'!<%9$K$D$$$F=R$Y$F$$$^$9$,!"BPOCE*$J%$%s%9%H(B
$B%l!<%7%g%s%W%m%0%i%`$d$=$NB>%(%s%I%f!<%6$,8+$k$h$&$J$b$N$K$D$$$F$O?($l(B
$B$i$l$F$$$^$;$s!#(B
<P>$B%M%C%H%o!<%/%"%@%W%?ItLg$N%^!<%1%F%#%s%0It$OL5NA$G(B TR $B$r8x3+$9$k$h$&$K(B
$B$7$F$$$^$9!#$3$N%W%m%0%i%`$r8zN(NI$/$7$F$*$/$?$a$K!"(B'CardFacts' $B$H8F$P(B
$B$l$k$b$N$K=8Ls$7$F$$$^$9!#(B`CardFacts' $B$H$O<+F02=$5$l$?EEOC(B
$B1~BP%7%9%F%`$G$9!#%W%C%7%e%[%s$GEEOC$9$k$3$H$K$h$C$F%U%!%C%/%9$N7A$G<h(B
$B$j4s$;$k$3$H$,$G$-$k$N$G$9!#(B TR $B$r<j$KF~$l$k$K$O!"(B 408-727-7021 $B$N(B
CardFacts $B$XEEOC$7$F$_$F$/$@$5$$!#%I%-%e%a%s%HHV9f(B 9070 $B$N(B Deveoper's
Order Form $B$r0MMj$7$^$7$g$&!#EEOC$9$k$H$-$K$O!"$9$G$K%U%!%C%/%9$,=`Hw(B
$B$5$l$F$$$k$h$&$K$7$F$/$@$5$$!#(BOrder form $B$N=q<0$K=>$C$F5-F~$7!"(B
408-764-5004 $B$X%U%!%C%/%9$7$F$/$@$5$$!#%^%K%e%"%k$O(B Federal Express $B$N(B
2nd Day $B%5!<%S%9$GFO$/$O$:$G$9!#(B($BLuCm(B $B<B:]$K$O%"%a%j%+(B(?)$B$NEEOCHV9f$G(B
$B$9$N$G!"$3$N$^$^%@%$%d%k$7$J$$$G$/$@$5$$(B)
<P>
<P>$B%^%K%e%"%k$,5$A0NI$/=P$5$l$9$.$F$$$k$H9M$($F$$$k?M$,$$$F!"H`$i$O%7%9%F(B
$B%`$,9b2A$9$.$k>Z5r!"$"$k$$$O;~4V$d<j4V$,$+$+$j$9$.$F$$$k>Z5r$rC5$=$&$H(B
$B$7$F$$$^$9!#:#$N$H$3$m!"(B3Com $B$N8\5R$O$3$NE@$K$D$$$F<B:]$KK~B-$7$F$*$j!"(B
$B2f!9$,9T$C$F$-$?MW5a$N%l%Y%k$OLdBj$J$$$H8@$($^$9!#2f!9$K$O6(NO$rB3$1$F(B
$B$$$/$3$H$H!"$3$N$h$&$K@aEY$rJ]$D$3$H$bI,MW$G$9!#(B
<P>
<H2><A NAME="amd-notes"></A> <A NAME="ss8.5">8.5 AMD PCnet / LANCE $B%Y!<%9$N%+!<%I$K4X$9$kCm0U(B </A>
</H2>
<P>AMD LANCE (Local Area Network Controller for Ethernet) $B$O!"FH<+$N@=IJ(B
$B$G(B 79C960 $B$H$7$F$bCN$i$l$F$$$k(B `PCnet-ISA' $B%A%C%W$K$h$C$FCV$-49$($i$l$^(B
$B$7$?!#(B AMD $B$,=P$7$F$$$kHf3SE*?7$7$$%A%C%W$G$"$k(B 79C960 $B$O8=:_%j%j!<%9(B
$B$5$l$F$$$kB?$/$N?7$7$$%+!<%I$NCf3K$r$J$7$F$$$k$b$N$G$9!#(B`LANCE' $B$H$$$&(B
$BL>A0$O;H$o$l$F$$$J$$>l9g$,B?$/!"?7$7$$%A%C%W$r8E$$L>A0$GFI$s$G$$$k?M$b(B
$B$$$^$9!#(B AMD $B$N%M%C%H%o!<%/@=IJItLg$N(B Dave Roberts $B$O?F@Z$K$b$3$N%A%C(B
$B%W$K4X$7$F<!$N$h$&$J>pJs$r8x3+$7$F$/$l$^$7$?!#(B
<P>$B!V5!G=E*$K$O(B NE1500 $B$KAjEv$9$k$b$N$G$9!#%l%8%9%?%;%C%H$O8E$$(B 1500/2100
$B%"!<%-%F%/%A%c$N(B LANCE $B$KEy$7$/!"(B $B8E$$(B 1500/2100 $BMQ%I%i%$%P$,(B
PCnet-ISA $B>e$GF0:n2DG=$G$7$g$&!#(B NE1500 $B$H(B NE2100 $B%"!<%-%F%/%A%c$O4pK\(B
$BE*$K$OF1$8J*$G$9!#(B $B$b$H$b$H$N(B Novell $B$,(B 2100 $B$HL?L>$7$^$7$?$,!"(B $B$=$N$H(B
$B$-$O(B 10BASE-2 $B$H(B 10BASE-T $B$N0c$$$r;X$9$b$N$H$7$F;H$*$&$H$7$F$$$?$h$&$G(B
$B$9!#(B 10BASE-T $B$N%+!<%I$O(B 1500 $BHVBf$NHV9f$,$D$1$i$l$k$O$:$G$7$?!#0c$$$O(B
$B$3$l$@$1$G$9!#(B
<P>HP $B$d(B Racal-Datacom, Allied Telesis, Boca Research, Kingston
Technology $B$J$I$r4^$`B?$/$N%a!<%+!<$,(B PCnet-ISA $B%Y!<%9$N@=IJ$r%j%j!<%9(B
$B$7$F$$$^$9!#$$$/$D$+$N@=B$%a!<%+!<$,%=%U%H%&%'%"$K$h$C$F%+!<%I$N@_Dj$r(B
$B2DG=$K$9$k$h$&$J!V%8%c%s%QL5$7!W5!G=$rDI2C$7$F$$$k0J30$O!"$3$l$i$N%+!<(B
$B%I$O4pK\E*$K$OF1$8$b$N$G$9!#$7$+$7!"$[$H$s$I$N%+!<%I$O$3$N$h$&$J!V%8%c(B
$B%s%QL5$7!W5!G=$O;}$C$F$$$^$;$s!#(B AMD $B$,(B PCnet-ISA $B;H$&%+!<%I8~$1$KI8=`(B
$B%G%6%$%s%Q%C%1!<%8$H$$$&$b$N$rDs6!$7$F$$$F!"B?$/$N@=B$%a!<%+!<$O$=$l$r(B
$BJQ99$J$7$KMxMQ$7$F$$$k$?$a$G$9!#$D$^$j!"C/$G$b(B PCnet-ISA $B%Y!<%9$N%+!<(B
$B%IMQ%I%i%$%P$r=q$$$F$_$h$&$H$$$&?M$O%G!<%?%7!<%H$r(B AMD $B$+$i<h$j4s$;$k(B
$B$3$H$,$G$-$k$H$$$&$3$H$G$9!#(BAMD $B$N(B literature distribution center
(800)222-9323 $B$KEEOC$7$F!"(B Am79C960, PCnet-ISA $B%G!<%?%7!<%H$K4X$7$FJ9(B
$B$$$F$_$F$/$@$5$$!#$J$*!"$3$l$OL5NA$G$9!#(B
<P>
<P>$BDL>o$N%+!<%I$G$"$k$+$I$&$+$rD4$Y$k0lHV4JC1$JJ}K!$O!"D>@\$=$N%+!<%I$r8+(B
$B$F$_$k$3$H$G$9!#$b$7!"DL>o$N%+!<%I$G$"$l$P!"Bg$-$J%A%C%W$H!"?e>=?6F0;R!"(B
$B>.$5$J(B IEEE $B%"%I%l%9(B PROM$B!"$=$7$F$*$=$i$/%V!<%H(B ROM $B$N$?$a$N%=%1%C%H!"(B
$B$=$7$F%3%M%/%?(B( $B$3$l$ODs6!$5$l$F$$$k%a%G%#%"%*%W%7%g%s$K0MB8$7$F(B 1/2/3
$B8D(B $B$HJQ2=$7$^$9(B )$B$,IU$$$F$$$^$9!#(B10BASE-2 $B%+!<%I$G$"$l$P!"%H%i%s%7!<%P(B
$B$,$$$/$D$+:\$C$F$$$k$H$$$&$3$H$KCm0U$7$F$/$@$5$$!#$J$*!"(BPCnet-ISA $B%A%C(B
$B%W$+$i$ON%$l$?%3%M%/%?<~JU$K:\$C$F$$$k$3$H$,B?$$$h$&$G$9!W(B
<P>
<P>$B%+!<%I$r$$$8$C$F$_$?$$?M$KCm0U$7$F$[$7$$$N$O!"(BLANCE $B%+!<%I$G$b(B
$B<BAu$,0[$J$l$P!V%j%9%?!<%H!W$NJ}K!$b0[$J$k$H$$$&$3$H$G$9!#(B
$BLD$j$d$s$@$H$3$m$G?.9f$r(B
$B=&$$$"$2$k$b$N$b$"$l$P!"LD$j;O$a$?;~E@$G(B($B$A$g$&$I=i4|2=$5$l$?$+$N$h$&(B
$B$K(B)$B?.9f$r=&$$$O$8$a$k$b$N$b$"$j$^$9!#(B
<P>
<H2><A NAME="promisc"></A> <A NAME="ss8.6">8.6 $B%^%k%A%-%c%9%H$HL5:9JL%b!<%I(B</A>
</H2>
<P>
<P>Donald $B$,9W8%$7$F$/$l$?$3$H$N$b$&0l$D$O!"%^%k%A%-%c%9%H$HL5:9JL%b!<%I(B
$B$N%U%C%/$N<BAu$K4X$7$F$G$9!#%j%j!<%9$5$l$F$$$k(B ISA $BMQ$NA4$F$N%+!<%I(B($B$D(B
$B$^$j%"%k%U%!HG$G$O$J$$$b$N(B)$B$N%I%i%$%P$OL5:9JL%b!<%I$r%5%]!<%H$7$F$$$^(B
$B$9!#(B
<P>Donald $B$O0J2<$N$h$&$K=R$Y$F$$$^$9(B:
$B!V35G0E*$K<BAu$,4JC1$JL5:9JL%b!<%I$+$i;O$a$F$_$h$&!#$[$H$s$I$N%O!<%I%&%'(B
$B%"$KBP$7$F$7$J$/$A$c$J$i$J$$$N$O!"%l%8%9%?%S%C%H$r@_Dj$9$k$3$H$@!#$=(B
$B$&$9$l$P!"%o%$%d>e$NA4$F$N%Q%1%C%H$r<u$1<h$k$3$H$,$G$-$k!#$5$F!"$3$l$O(B
$B$@$$$?$$$3$s$JMWNN$@!#$$$/$D$+$N%O!<%I%&%'%"$O%\!<%I$rJD$8$F(B ($B$3$l$O$$(B
$B$/$D$+$N%Q%1%C%H$rMn$7$F$7$^$&$+$bCN$l$J$$(B)$B!":F@_Dj$7!"$=$7$F$5$i$K:F(B
$BEY%$!<%5%M%C%H%+!<%I$rM-8z$K$9$k!#(B
$B$M$(!"4JC1$@$m$&!#$5$F!"<!$K$3$l$[$I$OL@Gr$8$c$J$$$3$H$r$7$h$&!#%^%k%A%-%c%9(B
$B%H$@!#%^%k%A%-%c%9%H$r$9$k$K$OFsDL$j$N$d$jJ}$,$"$k(B:
<P>
<OL>
<LI> $BL5:9JL%b!<%I$H%P!<%/%l!<%Q%1%C%H%U%#%k%?(B(BPF)$B$N$h$&$J%U%#%k(B
$B%?$rMxMQ$9$k!#(B BPF $B$O%Q%?!<%s%^%C%A%s%0$r9T$&%9%?%C%/8@8l$G!"<+J,$,D4(B
$B$Y$?$$%"%I%l%9$@$1$rA*Br$7$F$/$l$k$h$&$J%W%m%0%i%`$r=q$/$3$H$,$G$-$k!#(B
BPF $B$N%a%j%C%H$O$H$C$F$b0lHLE*$G%W%m%0%i%`2DG=$@$C$F$3$H$@!#5U$K%G%a%j%C(B
$B%H$OL5:9JL%b!<%I$K@_Dj$7!"EPO?$5$l$F$$$k%Q%1%C%H%U%#%k%?$rDL$7$F%M%C(B
$B%H%o!<%/>e$XA4$F$N%Q%1%C%H$rHt$P$9$3$H$r%+!<%M%k$,Hr$1$k$?$a$N0lHLE*$J(B
$BJ}K!$,$J$$$H$$$&$3$H$@!#>\$7$/$O(B
<A HREF="#bpf">$B%P!<%/%l!<%Q%1%C%H%U%#%k%?(B</A>$B$r8+$k$3$H!#(B
</LI>
<LI> $B$[$H$s$I$N%$!<%5%A%C%W$,;}$C$F$$$kFbB"$N%^%k%A%-%c%9%H%U%#%k%?(B
$B$rMxMQ$9$k!#(B</LI>
</OL>
<P>
<P>$B$3$3$G$$$/$D$+$N%$!<%5%+!<%I$d%$!<%5%A%C%W$,;}$C$F$$$k5!G=$r>R2p$7$J$1(B
$B$l$P$J$i$J$$$@$m$&(B:
<P>
<PRE>
$B%A%C%W(B/$B%+!<%I(B $BL5:9JL%b!<%I(B $B%^%k%A%-%c%9%H%U%#%k%?(B
------------------------------------------------------
Seeq8001/3c501 $B$"$j(B Binary filter (1)
3Com/3c509 $B$"$j(B Binary filter (1)
8390 $B$"$j(B Autodin II six bit hash (2) (3)
LANCE $B$"$j(B Autodin II six bit hash (2) (3)
i82586 $B$"$j(B Hidden Autodin II six bit hash (2) (4)
</PRE>
<P>
<OL>
<LI>$B$3$l$i$N%+!<%I$O%U%#%k%?$rEk:\$7$F$$$k$H$$$C$F$$$k$1$l$I!"$3$l(B
$B$KC1=c$J(B yes $B$H(B no $B$G!VA4$F$N%^%k%A%-%c%9%H%Q%1%C%H$r<u?.$9$k!W$+!VA4(B
$B$F$N%^%k%A%-%c%9%H%Q%1%C%H$r<u?.$7$J$$!W$rA*$V$b$N$@!#(B
</LI>
<LI>AUTODIN II $B$OI8=`E*$J%$!<%5%M%C%H(B CRC ($B%A%'%C%/%5%`(B) $B$NB?9`<0$@!#$3$N(B
$B;EAH$_$G$O%^%k%A%-%c%9%H%"%I%l%9$O%O%C%7%e%F!<%V%k$K%O%C%7%e$5$l!"<h$j(B
$B=P$9$3$H$,$G$-$k!#$b$7!"AjEv$9$k%S%C%H$,M-8z$K$J$C$F$$$l$P!"$=$N%Q%1%C(B
$B%H$O<u?.$5$l$k!#%$!<%5%M%C%H$N%Q%1%C%H$O=hM}$r9T$&%O!<%I%&%'%"$,<B$KC1(B
$B=c$K$J$k$h$&$K@_7W$5$l$F$$$k!#$D$^$j!":G=i$N(B 6 $B%*%/%F%C%H(B($B9T$-@h%"%I%l%9(B)
$B$N8e!"(BCRC$B$+$i$N(B 6 $B%S%C%H(B($BDL>o$O(B)($B>o$K%(%i!<$N%A%'%C%/$K;HMQ$5$l$k(B)$B$r%i%C(B
$B%A$7$F!"%O%C%7%e%F!<%V%k$X$N%$%s%G%C%/%9$H$7$FMxMQ$9$k$s$@(B (6 $B%S%C%H!"(B
$B$D$^$j!"(B64 $B%S%C%H%F!<%V%k$H$$$&$3$H$K$J$k(B)$B!#(B
</LI>
<LI>$B$3$l$i$N%A%C%W$O(B 6 $B%S%C%H$N%O%C%7%e$rMxMQ$7!"%[%9%H$,7W;;$7$F%m!<(B
$B%I$7$?%F!<%V%k$r;}$C$F$$$J$1$l$P$J$i$J$$!#$D$^$j!"%+!<%M%k$,(B
CRC $B$N%3!<%I$r4^$s$G$$$J$1$l$P$J$i$J$$$H$$$&$3$H$K$J$k!#(B
</LI>
<LI>82586 $B$OFbItE*$K(B 6 $B%S%C%H$N%O%C%7%e$rMxMQ$9$k!#$7$+$7!"<u?.5v2D(B
$B$9$k(B
$B%^%k%A%-%c%9%H%"%I%l%9$N%j%9%H$+$i%O%C%7%e%F!<%V%k$r7W;;$9$k!#(B
</LI>
</OL>
<P>$B$3$l$i$N%A%C%W$N$I$l$b$,40A4$J%U%#%k%?%j%s%0$r9T$o$:!"$=$7$F:G=*E*$J%U%#(B
$B%k%?%j%s%0$r$9$k$?$a$KCf4V%l%Y%k$N%b%8%e!<%k$,I,MW$G$"$k$3$H$KCmL\$9$k(B
$B$3$H!#$^$?A4$F$N>l9g$K$*$$$F!"<u?.5v2D$7$?%^%k%A%-%c%9%H%"%I%l%9(B
$B$,JQ2=$7$?>l9g%O%C%7%e%F!<%V%k$r:F7W;;$9$k$?$a5v2D$5$l$?%^%k%A%-%c%9%H(B
$B%"%I%l%9$N40A4$J%j%9%H$rJ];}$7$J$1$l$P$J$i$J$$$3$H$K$bCmL\$9$k$H$$$$!W(B
<P>
<P>
<H2><A NAME="bpf"></A> <A NAME="ss8.7">8.7 $B%P!<%/%l!<%Q%1%C%H%U%#%k%?(B (BPF)</A>
</H2>
<P>
<P>$B3+H/<T$N0lHLE*$J9M$($O!"(BBPF$B$O%+!<%M%k$K$h$C$FDs6!$5$l$k$N$G$O$J$/!"(B($B$G(B
$B$-$l$P$"$^$j;H$o$l$J$$(B)$B8_49@-%i%$%V%i%j$K$h$C$FDs6!$5$l$k$Y$-$G$"$k$H(B
$B$$$&$b$N$G$9!#(B
<P>$BCN$i$J$$?M$N$?$a$N@bL@(B: BPF $B$H$O%+!<%M%k$N%M%C%H%o!<%/AX$K$I$N%Q%1%C%H(B
$B$,4XM?$7$F$$$k$N$+$r;XDj$9$k$?$a$N5!9=$G$9!#$3$l$O%M%C%H%o!<%/%3!<%I$N(B
$B2<0L$N%l%Y%k$K$*$$$F@lMQ$N%9%?%C%/8@8l%$%s%?%W%j%?$H$7$F<BAu$5$l$F(B
$B$$$^$9!#%"%W%j%1!<%7%g%s$O$3$N8@8l$K$h$C$F=q$+$l$?%W%m%0%i%`$r%+!<%M%k(B
$B$KEO$7!"%+!<%M%k$O$d$C$F$/$k%Q%1%C%H$KBP$7$F$3$N%W%m%0%i%`$r<B9T$7$^$9!#(B
$B$b$7%+!<%M%k$,J#?t$N(B BPF $B%"%W%j%1!<%7%g%s$r;}$C$F$$$k>l9g!"$=$l$>$l$N(B
$B%W%m%0%i%`$O$=$l$>$l$N%Q%1%C%H$KBP$7$F<B9T$5$l$k$3$H$K$J$j$^$9!#(B
<P>$BLdBj$O!"%Q%1%C%H%U%#%k%?%W%m%0%i%`$K$h$C$F%"%W%j%1!<%7%g%s$,$I$N<oN`$N(B
$B%Q%1%C%H$HK\Ev$K4X78$,$"$k$N$+$r?dB,$9$k$3$H$,Fq$7$$$H$$$&$3$H$G$9!#$7(B
$B$?$,$C$F!">o$K%U%#%k%?$r<B9T$9$k$H$$$&$3$H$,0lHLE*$J2r7hK!$K$J$j$^$9!#(B
$B%^%k%A%-%c%9%H%"%I%l%9$K8~$1$FDc$$%G!<%?E>AwNL$N%9%H%j!<%`$rCj=P$9$k$?(B
$B$a$K(B BPF $B%W%m%0%i%`$rEPO?$9$k%"%W%j%1!<%7%g%s$rA[A|$7$F$_$F$/$@$5$$!#(B
$B$[$H$s$I$N%$!<%5%M%C%H%+!<%I$O!"B?$/$NITI,MW$J%^%k%A%-%c%9%H$N%Q%1%C%H(B
$B$rL5;k$9$k(B 64 $B$N%(%s%H%j$+$i$J$k%O%C%7%e%F!<%V%k$H$7$F<BAu$5$l$F$$$k%O!<(B
$B%I%&%'%"E*$J%^%k%A%-%c%9%H%"%I%l%9%U%#%k%?$r;}$C$F$$$k$?$a!"MF0W$K$3(B
$B$N=hM}$r9T$C$F$7$^$&2DG=@-$,$"$j$^$9!#$7$+$7(B BPF $B$N>l9g!"%+!<%M%k$O(B
$B%$%s%?%U%'!<%9$rL5:9JL%b!<%I!"$D$^$j!VA4$F!W$N%Q%1%C%H$r<u?.$9$k%b!<%I!"(B
$B$KJQ99$7$J$/$F$O$J$i$:!"$3$l$i$N=hM}$r$3$N%U%#%k%?$K$h$C$F9T$o$J$1$l(B
$B$P$J$j$^$;$s!#$3$l$OF0:n$7$^$9$,!"$3$N=hM}$O%Q%1%C%H$rMW5a$9$k%W%m%;%9(B
$B$X$-$A$s$H1~Ez$9$k$3$H$,Hs>o$KFq$7$$$N$G$9!#(B
<P>
<HR>
<A HREF="Ethernet-HOWTO-9.html">$B<!$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO-7.html">$BA0$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO.html#toc8">$BL\<!$X(B</A>
</BODY>
</HTML>
