netdev - Re: [PATCH net-next 1/2] tcp: uniform the set up of sockets after successful connection

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Message-ID: <CAEA6p_AtiNGGJ120_KScE1WrHnv_+v69HhM5xE_o-J_vN0B6Xg@mail.gmail.com>
Date:   Tue, 3 Oct 2017 22:32:34 -0700
From:   Wei Wang <weiwan@...gle.com>
To:     David Miller <davem@...emloft.net>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Yuchung Cheng <ycheng@...gle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 1/2] tcp: uniform the set up of sockets after
 successful connection

On Tue, Oct 3, 2017 at 9:28 PM, David Miller <davem@...emloft.net> wrote:
> From: Wei Wang <weiwan@...gle.com>
> Date: Mon,  2 Oct 2017 10:01:35 -0700
>
>> @@ -456,6 +456,19 @@ void tcp_init_sock(struct sock *sk)
>>  }
>>  EXPORT_SYMBOL(tcp_init_sock);
>>
>> +void tcp_init_transfer(struct sock *sk, int bpf_op)
>> +{
>> +     struct inet_connection_sock *icsk = inet_csk(sk);
>> +
>> +     tcp_mtup_init(sk);
>> +     icsk->icsk_af_ops->rebuild_header(sk);
>> +     tcp_init_metrics(sk);
>> +     tcp_call_bpf(sk, bpf_op);
>> +     tcp_init_congestion_control(sk);
>> +     tcp_init_buffer_space(sk);
>> +}
>> +EXPORT_SYMBOL(tcp_init_transfer);
>
> This symbol export is unnecessary, and if it were it should
> be EXPORT_SYMBOL_GPL().

I see. This function is only called in the TCP stack. Will remove
EXPORT_SYMBOL() in v2.