On Thu, Feb 2, 2012 at 6:50 PM, Hefty, Sean <sean.he...@intel.com> wrote:
> I don't understand why, but the GRO issue seems to be the problem that I see > with low > performance (0.06 Gbps transferring 4k packets in one direction). 2.6.36 and > 2.6.37 work > fine for me. I see problems with 2.6.38, 3.0, and 3.2. I > didn't test other versions. I > applied the 'fix GRO merge failure for IPoIB' patch to 2.6.38 and 3.2, and in > both cases > the performance improved. I'll wait for and test the final fix. Sean, on 2.6.38 LRO was removed from IPoIB and GRO added, so your report makes sense, I will send you now the patch posted by Eric enhanced such that ipoib sets the new gro_header_len field Or. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
