Date: Thu, 4 Feb 2010 21:49:23 +0100 From: Juergen Lock <nox@jelal.kn-bremen.de> To: freebsd-emulation@FreeBSD.org Subject: qemu pcap networking should now work Message-ID: <20100204204923.GA89122@triton8.kn-bremen.de>
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Hi! jkim@ sent me an update to the pcap patches a few days ago that fixed the packet delays (thanx!) and after we also found out the oversize packets were caused by TSO on the em(4) interface here I now updated the qemu and qemu-devel ports. This is the note I added to the pkg-message.s: - The pcap code (-net nic... -net pcap,ifname=...) should work properly now, with only one exception: Advanced features like TSO used on the host interface can cause oversize packets which now do get truncated to avoid confusing/panicing guests but of course still will cause retransmissions. So if you see slow throughput and `pcap_send: packet size > ..., truncating' messages on qemu's tty try disabling TSO etc on the host interface at least while using pcap. Enjoy, :) Juergen
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