vge(4) bad checksum

[gnn at freebsd.org]

At Mon, 18 Dec 2006 00:08:56 +0300,
Andrew Pantyukhin wrote:

> I wouldn't even notice the checksum issue if my ipsec
> connection to another host hadn't stop working. The
> host has ipsec(4) and a re(4) interface. dmesg on the
> box showed issues with AH checksums. The problem is
> whenever I run tcpdump (promiscuous or not) on re(4),
> the box (amd64 current) drops to kernel debugger with
> messages like:
> panic: mutex Giant not owned at /usr/src/sys/net/bpf.c:1399
> But that's another story.
> 
> So I guess my fast_ipsec/vge/checksum problem is either
> fast_ipsec or fast_ipsec+vge bound. Again, there was no
> problem with 20061210-current+ipsec+vge (not fast_ipsec).

Hi,

If you can get tcpdump output on both side of the connection I would
appreciate a PR being filed on this and asssigned to me (gnn) since
I'm currently in the guts of FAST_IPSEC.

Thanks,
George