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From: Giacomo <delleceste@gmail.com>
To: netfilter-devel@vger.kernel.org
Subject: netlink callback and socket buffer.
Date: Fri, 13 Feb 2009 21:35:48 +0100	[thread overview]
Message-ID: <885896af0902131235q68b79efbu5c25d29fd9bd1661@mail.gmail.com> (raw)

Good evening to everybody.

In recent kernels (>=2.6.24) netlink_kernel_create() callback function
has the following signature:


(void *) function(struct sk_buff* skb);

while before it was

(void  *) function(struct sock *skctrl, int len)

In the latter, i used to call skb_dequeue, obtain the skb and then,
once data was extracted, I used
to kfree_skb(skb); where skb is a sk_buff* obtained by skb_dequeue();

Now (with the (void *) function(struct sk_buff* skb)  callback) I get
data from skb but DO NOT HAVE
TO kfree_skb() it...

Is it true?  Is it automatically freed by the kernel once the callback returns?

Thanks in advance.

Giacomo S.


-- 
Giacomo S.
http://www.giacomos.it

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             reply	other threads:[~2009-02-13 20:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-13 20:35 Giacomo [this message]
2009-02-14 17:16 ` netlink callback and socket buffer Pablo Neira Ayuso

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