Subject: fxp ethernet
To: None <>
From: John Franklin <>
List: current-users
Date: 08/21/2002 12:46:48
Some fxp ethernet cards support hardware tcp checksums.  I see some
mention of checksums in the driver, but it doesn't seem to be
implemented.  How hard would it be to get this added?

broadway# dmesg | grep fxp
fxp0 at pci0 dev 10 function 0: i82559 Ethernet, rev 8
fxp0: interrupting at irq 12
fxp0: Ethernet address 00:d0:b7:47:96:78
inphy0 at fxp0 phy 1: i82555 10/100 media interface, rev. 4
fxp0: Microcode loaded: int delay: 1000 usec, max bundle: 6
broadway# ifconfig fxp0 tcp4csum
ifconfig: SIOCSIFCAP: Invalid argument
broadway# uname -a
NetBSD 1.6_BETA5 NetBSD 1.6_BETA5 (BROADWAY) #0: Thu
Aug  8 12:25:08 EDT 2002

John Franklin
ICBM: 3543'56"N 7853'27"W