Hi!
I am creating an element (based on another one) where I receive a packet and
queue it,. Afterwards I receive an ACK and compare if the queued packet matches
the received ack. If so, the packet is dropped. My problem comes with the
click_tcp struct, because whenever I use it for the queued packet, everything
works, but when I try to use the set pointer for the tcp packet of the incoming
ack, it does not work. The pointer is pointing to the beginning of the header,
but when I try to use for example tcph->seq, it points to null and causes me
segmentation error.
Do you have any idea why would that be happening?
I initialized the header this way:
const click_tcp *tcph = p->tcp_header();
Thank you so much
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