skbuff about skbuff

From: rexyan@us.sina.com
Date: Thu May 03 2001 - 08:16:36 EST


Hi,
Does anyone know how to adjust the skb->h.raw, skb->nh.raw?
I'm going to add a shim header between layer2 header and layer3 header
        +--------+============+----------+--------
        | L2 | Shim | L3 | L4
        +--------+============+----------+--------
The code to insert the shim:

skb_push(skb, 4); /*say the size of shim is 4 bytes. */
memmove(skb->data, &shim, 4);

Do I need to adjust the skb->h.raw and skb->nh.raw? How to?

Thanks in advance,

Rex

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