Hi,
if I write a NF_IP_POST_ROUTING hook (for kernel
2.6.21) to SNAT some TCP packets, can I suppose that
(for TCP packets) TCP Payload is contiguous to TCP
Header in struct sk_buff (payload pointer = skb->h->th
+ (skb->h->th->doff * 4) ) ? If not, is there a
function that assure me this result ?
I'm writing a NF_IP_POST_ROUTING hook for kernel
2.6.21, but it does right SNAT and checksum
calculation only for TCP packet without payload,
because TCP payload seems to be not contiguous to TCP
Header in struct sk_buff!
Thanks,
Maurizio
---
Maurizio
(o< (@_
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