# RE: PROBLEM: Bnx2x Checksum/Length Error Over GRE Tunnel

- From: Yuval Mintz \<hidden\>
- Date: 2015-02-08 05:51:28 
- List: netdev
- Page: https://ratatoskr.run/netdev/2015/02/10977659
- Thread: https://ratatoskr.run/netdev/2015/02/10977128/t.md

```text
> > Tried this on latest net-next [using iproute2] and I didn't manage to
> > hit the issue you've indicated.
> > I.e., traffic seemed to work fine on gre tunnels using both mtu sizes
> > and regardless of whether Tx-checksum-offload was enabled or disabled.
> 
> Interesting. Could it be a firmware issue?

All latest drivers use the same FW;  The difference is usually in management
FW, which should have no relevance to a feature such as this.

Care to share a dump [ethtool -d] and lspci [-vvv] outputs for the device?

Thanks,
Yuval 
```