I took a look at ip_nat_helper.c and I saw how to do it. Thanks anyway! > Hello! > > I made a module that modify a packet using netfilter hooks. > But, I don't know how to recompute the checksum. > Can you give me some ideas? > > I tried with: > skb -> csum = skb_checksum (skb, 0, skb -> len, 0) but seems that doesn't > work (seems hat is not enough). > > Do I need to compute ip header checksum and tcp header checksum > separately? > > Thank you very much! > > --- > Catalin(ux) BOIE > catab@deuroconsult.ro > > > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > --- Catalin(ux) BOIE catab@deuroconsult.ro A new Linux distribution: http://l13plus.deuroconsult.ro http://www2.deuroconsult.ro/~catab - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
