taglinefilesource code
fragheaderlen2450net/ipv4/ip.cunsigned int fraglen, maxfraglen, fragheaderlen;
fragheaderlen2612net/ipv4/ip.cfragheaderlen = dev->hard_header_len;
fragheaderlen2614net/ipv4/ip.cfragheaderlen += 20;
fragheaderlen2621net/ipv4/ip.cmaxfraglen = ((dev->mtu-20) & ~7) + fragheaderlen;
fragheaderlen2627net/ipv4/ip.coffset = length - (length % (maxfraglen - fragheaderlen));
fragheaderlen2633net/ipv4/ip.cfraglen = length - offset + fragheaderlen;
fragheaderlen2638net/ipv4/ip.coffset -= maxfraglen-fragheaderlen;
fragheaderlen2741net/ipv4/ip.ciph->tot_len = htons(fraglen - fragheaderlen + iph->ihl*4);
fragheaderlen2769net/ipv4/ip.cgetfrag(frag, saddr, data, offset, fraglen-fragheaderlen);
fragheaderlen2779net/ipv4/ip.coffset -= (maxfraglen-fragheaderlen);