* At which Network Layer
@ 2013-04-10 8:42 Robert Clove
2013-04-10 9:04 ` Yi Li
0 siblings, 1 reply; 2+ messages in thread
From: Robert Clove @ 2013-04-10 8:42 UTC (permalink / raw)
To: kernelnewbies
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.
Thanks
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* At which Network Layer
2013-04-10 8:42 At which Network Layer Robert Clove
@ 2013-04-10 9:04 ` Yi Li
0 siblings, 0 replies; 2+ messages in thread
From: Yi Li @ 2013-04-10 9:04 UTC (permalink / raw)
To: kernelnewbies
? 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
>
>
>
>
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
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