netdev - Re: Query regarding sk

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Date:	Tue, 13 Jan 2015 00:00:59 +0600
From:	Kumar Sanghvi <kumaras@...lsio.com>
To:	Alexei Starovoitov <alexei.starovoitov@...il.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Query regarding sk_filter

On Monday, January 01/12/15, 2015 at 10:17:16 -0800, Alexei Starovoitov wrote:
> On Sat, Jan 10, 2015 at 4:40 AM, Kumar Sanghvi <kumaras@...lsio.com> wrote:
> >
> > May be, the question that I should have asked is : do child socket and parent listening socket have the
> > same sk_filter applied i.e. do child socket inherit sk_filter from parent listening socket ?
> 
> yes. socket returned from accept() inherits filter from parent socket.
> if you're curious the path is:
> tcp_check_req - tcp_v4_syn_recv_sock - tcp_create_openreq_child - sk_clone_lock
>
Got it. Thanks! 
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