From: "jywang" <jywang@cnic.cn>
To: linux-c-programming@vger.kernel.org
Subject: how to replace a skb in NF_IP_LOCAL_OUT hook
Date: Fri, 4 Nov 2005 08:27:26 +0800 [thread overview]
Message-ID: <00e301c5e0d6$888751c0$060ae29f@javaboy> (raw)
> i want to replace the skb with my own, and in my skb i will change the
data
> in it.
>
> How to do it?
>
> what i do as below:
>
> cp = skb_copy_expand(*skb, skb_headroom(*skb)+12, skb_tailroom(*skb),
GFP_ATOMIC);
> //change the skb->data here
> skb_set_owner_w(cp, (*skb)->sk);
> *skb = cp;
> return NF_ACCEPT;
>
> but, it can't work.
next reply other threads:[~2005-11-04 0:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-04 0:27 jywang [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-04 0:20 how to replace a skb in NF_IP_LOCAL_OUT hook jywang
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