Re: sk_buff allocation

[Alexey Vyskubov]

> I'm writing a module that is able to modify outgoing packets.
> This is done by registering a new entry in ptype_all.
> But my problem is that in dev_queue_xmit_nit the sk_buff is
> cloned and that my function get this clone. So my modification
> on skb->data isn't take into account by the ethernet driver.

Why don't you use netfilter hooks? Write your hook for NF_IP_POST_ROUTING; it
will receive sk_buff **pskb, so you can completely replace old skbuff with new.

-- 
Alexey