re(4) incorrect checksum

[Pyun YongHyeon]

On Thu, Jan 11, 2007 at 12:14:34PM +0100, Rene Ladan wrote:
 > Pietro Cerutti schreef:
 > > Hi lists,
 > > 
 > > FreeBSD gahrtop.localhost 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #1:
 > > Tue Jan  9 19:34:13 CET 2007
 > > root at gahrtop:/usr/obj/usr/src/sys/GAHRTOP  i386
 > > 
 > > CPU: Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz (2000.15-MHz
 > > 686-class CPU)
 > >  Cores per package: 2
 > > 
 > > re0: <RealTek 8168B/8111B PCIe Gigabit Ethernet> port 0xc800-0xc8ff
 > > mem 0xff2ff000-0xff2fffff irq 17 at device 0.0 on pci2
 > > 
 > > ($FreeBSD: src/sys/dev/re/if_re.c,v 1.46.2.20 2006/09/21 11:08:28
 > > yongari Exp $)
 > > 
 > > I get checksum errors on every packet I send, example:
 > > 
 > > Checksum: 0x0bc5 [incorrect, should be 0x78fe (maybe caused by
 > > checksum offloading?)]
 > > 
 > > I think this could be the cause of some web pages (e.g. Gmail in
 > > standard view [html view works well]) not to be displayed.
 > > 
 > > I tracked down the problem to the re(4) driver just because wlan works
 > > good...
 > > 
 > > Any ideas?
 > > 
 > I'm also seeing these www problems with my re(4) card (chipid
 > 0x816810ec), see
 > http://lists.freebsd.org/pipermail/freebsd-current/2006-December/068333.html
 > 

Does your re(4) also work when you disable checksum offload?

 > Wireless is ok.
 > 
 > > Thanx,
 > > 
 > Regards,
 > Rene
 > -- 
 > GPG fingerprint = E738 5471 D185 7013 0EE0  4FC8 3C1D 6F83 12E1 84F6
 > (subkeys.pgp.net)
 > 
 > "It won't fit on the line."
 > 		-- me, 2001
-- 
Regards,
Pyun YongHyeon