On Wed, Sep 05, 2007 at 09:45:04AM +0200, Renaud Allard wrote: > Hello, > > I just have two Dell servers having broadcom netXtreme NICs with tcp offload > engine activated (and locked on on) in the bios. > I tried to use these servers to do an smtp gateway with spamd. When I > activated > spamd, connecting to port 25 worked but nothing more. After scanning with > tcpdump, I saw that all packets passing through pf going to spamd and exiting > had bad tcp checksum. The machine at the other end receiving these bad tcp > checksum of course dropped them. For the moment, I solved the issue by using > Intel em NICs. > Packets passing not passing through pf had also about 50% packets with bad > checksum too. > > Is there a software way to force the bnx driver to _not_ use the TCP offload > engine without recompiling the driver? >
OpenBSD does not support the TOE. TCP/IP checksum offload on the other hand had a problem on bnx and this was disabled in -current. So please try a snapshot. -- :wq Claudio
