ip_forward difference in kernel 2.4 and 2.6

hello,
        I check kernel 2.4.28 and 2.6.11 on lxr and
found that there is condition to check fragmnetation
required for packet in 2.4.28 ain ip_forward.c as
  if (skb->len > mtu && (ntohs(iph->frag_off) &
IP_DF))
                goto frag_needed;
But same will not be seen in 2.6.11 why? Then how 2.6
kenrel check this condition? Why its removed? Is it
addedd somewhere else?
Thanks in advance.
regards,
cranium
 


		
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