On Tue, Sep 16, 2014 at 09:47:43AM +0300, Or Gerlitz wrote: > > On the post you wrote "[...] resolve the issue by removing the physically contiguous memory requirement using Scatter/Gather feature that exists in Linux". > > I assume you refer to NETIF_F_SG, right? so your claim is that Linux will not effectively use the driver ability to serve SG skbs unless the driver also advertizes (say) NETIF_F_IP_CSUM?! Or, Correct me if i'm wrong here but i didn't saw any handling of fragmented skb in driver. The current implementation dma map only skb->data where in fragmented skb there is a need to dma map all frags, right? > > I thought it's the other way around -- that is supporting checksum offloading is useless unless SG is supported. Can you provide pointer into the network stack code/documentation that supports your claim? > Or. > > > -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html