At which Network Layer

[Yi Li]

? 2013?04?10? 16:42, Robert Clove ??:
> Hello All,
>
> There is a field in sk_buff structure name clone which tell whether 
> the sk_buff structure has been cloned or not?
>
> I want to know at which layer does this clonning happen at L2,L3 or L4.
any layer when it is needed.
you can check function: net/core/sk_buff.c: skb_clone(), it is called in 
drivers, L3(like ip), and L4(like tcp).
>
>
> Thanks
>
>
>
>
>
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