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To: FreeBSD-users-jp@jp.freebsd.org
Cc: gotoh@ae.anritsu.co.jp
From: gotoh@ae.anritsu.co.jp (Yoshikazu gotoh -9608-)
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Subject: [FreeBSD-users-jp 25185] lnc driver
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$B8eF#!w(BADE$B$G$9!#(B

lnc$B%I%i%$%P$G$NIT6q9g(B?$B$K$D$$$F65$($F2<$5$$!#(B
$B!t(BFAQ$B$d(BQ&A$B$G4XO"5-;v$rC5$7$?$N$G$9$,!"8+Ev$?$j$^$;$s$G$7$?!#(B

HP Vectra XA$B$K(BFreeBSD R2.2.5$B$r%$%s%9%H!<%k$7$F;HMQ$7$F$$$^$9!#(B
NIC$B$O!"I8=`$GIU$$$F$$$?(BAMD PCI PRO 10/100BASE-T$B$r;HMQ$7$F$$$^$9!#(B
dmesg$B$G8+$k$H!"2<5-$N$h$&$KI=<($5$l$^$9!#(B

lnc1 <PCNet/PCI Ethernet adapter> rev 37 int a irq 11 on pci0:11
lnc1: NE2100 (C-LANCE) address 00:60:b0:5e:95:6b

$B$3$N(BNIC$B$r;H$$2<5-%3%^%s%I$r<B9T$9$k$H!"(BEthernet$B%U%l!<%`(B
$B%l%Y%k$G!"ITMW$H;W$o$l$k(Bpadding$B%G!<%?$,(B4$B%P%$%HIU$$$F$7$^$$$^$9!#(B
$B!t(Btcpdump$B$G$O$=$3$^$G$o$+$i$J$+$C$?$N$G!"(Bsniffer$B$G<u?.%G!<%?$r(B
$B!t3NG'$7$^$7$?!#(B

% ping -c 1 -s 18 192.168.1.1


$B$D$^$j!"(B

Ethernet$B%X%C%@(B+IP$B%X%C%@(B+ICMP$B%X%C%@(B+ICMP$B%G!<%?(B+(4)+FCS=68

$B$H$J$C$F$7$^$$!"(B64$B%P%$%H$N(BEthernet$B%U%l!<%`$rAw?.$9$k$3$H$,$G$-$^$;$s!#(B

$B$G!"(B/usr/src/sys/i386/isa/if_lnc.c$B$N(Blnc_start()$B$NCf$G!"(B

desc->md->md2 = -max(len, ETHER_MIN_LEN);

$B$H$d$C$F$$$k$N$G$9$,!"$3$l$O!"(B

desc->md->md2 = -max(len, ETHER_MIN_LEN - ETHER_CRC_LEN);

$B$N8m$j$G$O$J$$$N$G$7$g$&$+!#(B

$B$4B8CN$NJ}!"$h$m$7$/$*4j$$$7$^$9!#(B

----
// Yoshikazu GOTO
// E-mail: gotoh@ae.anritsu.co.jp
