hi, i am writing a module that clamps the tcp receiver window size... i need to be able to tell when slow start ends, but at the receiver... so i need to be able to keep track of when 3 duplicate acknowledgements are sent out by the receiver... what info in the kernel do i access to do this... skb->h.th->ack??? i need to know asap and any help will be greatly appreciated... thanks Asmeet. -- a.ranu@xxxxxxxxxxxxxxxxxxxx