Hello,
I am wondering about most elegant and proper way to get IP header
fields from mbuf, using PFILs. I have read Murat Balaban paper on
PFIL_HOOKS where I found some example function. Question is how can I
access IP header field in such manner.
static int
hisar_chkinput(void *arg, struct mbuf **m, struct ifnet *ifp, int dir,
struct inpcb *inp)
{
in_bytes += (*m)->m_len;
return 0;
}
Regards
LVJ.
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