From: lovelylich@gmail.com (Yi Li)
To: kernelnewbies@lists.kernelnewbies.org
Subject: At which Network Layer
Date: Wed, 10 Apr 2013 17:04:21 +0800 [thread overview]
Message-ID: <51652B15.9020600@gmail.com> (raw)
In-Reply-To: <CAEMktPX7iX-V7X3qWE+gWGGG6kurveogjVw9MA1DT3Lb+9UajQ@mail.gmail.com>
? 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
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Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-10 8:42 At which Network Layer Robert Clove
2013-04-10 9:04 ` Yi Li [this message]
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