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Date:      Wed, 15 Dec 2004 11:38:29 +0100
From:      Michal Belczyk <diavul@bsd.krakow.pl>
To:        Heinz Knocke <knockefreebsd@o2.pl>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: Marvell 88E8001 on sk0 and RELENG_5_3 - big problems
Message-ID:  <20041215103829.GD778@grazer-2.bsd.krakow.pl>
In-Reply-To: <003501c4e228$5f2cd780$df5561d9@ALFA>
References:  <003501c4e228$5f2cd780$df5561d9@ALFA>

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On Tue, Dec 14, 2004 at 11:00:40PM +0100, Heinz Knocke wrote:
> b) according to the vendor's info, NIC should be able to do jumboframes. (http://www.marvell.com/products/pcconn/yukon/Yukon_88E8001_10_073103_final.pdf)
> 
> ifconfig mtu 9000 works, but packets seems to come truncated (in both directions)
> 
> host1% sudo ping -s 2000 host2
> PING host2 (10.10.10.2): 2000 data bytes
> ^C
> --- host2 ping statistics ---
> 23 packets transmitted, 0 packets received, 100% packet loss
> 
> host2% sudo tcpdump -i sk0 -c 30
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on sk0, link-type EN10MB (Ethernet), capture size 96 bytes
> 22:23:23.514150 IP truncated-ip - 524 bytes missing! dyplom1g > dyplom2g: icmp 2008: echo request seq 3
> 22:23:24.524147 IP truncated-ip - 524 bytes missing! dyplom1g > dyplom2g: icmp 2008: echo request seq 4
> 22:23:25.534282 IP truncated-ip - 524 bytes missing! dyplom1g > dyplom2g: icmp 2008: echo request seq 5
> 22:23:26.544280 IP truncated-ip - 524 bytes missing! dyplom1g > dyplom2g: icmp 2008: echo request seq 6
> ^C

Here's the fix:
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/if_sk.c.diff?r1=1.51&r2=1.52

-- 
Michal Belczyk



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