netdev - Re: [PATCH net-next 1/2] tcp: Carry txstamp_ack in tcp_fragment

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Date:	Thu, 21 Apr 2016 15:45:56 -0400
From:	Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:	Martin KaFai Lau <kafai@...com>
Cc:	Network Development <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Neal Cardwell <ncardwell@...gle.com>,
	Soheil Hassas Yeganeh <soheil@...gle.com>,
	Willem de Bruijn <willemb@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>,
	Kernel Team <kernel-team@...com>
Subject: Re: [PATCH net-next 1/2] tcp: Carry txstamp_ack in tcp_fragment_tstamp

On Wed, Apr 20, 2016 at 1:50 AM, Martin KaFai Lau <kafai@...com> wrote:
> When a tcp skb is sliced into two smaller skbs (e.g. in
> tcp_fragment() and tso_fragment()),  it does not carry
> the txstamp_ack bit to the newly created skb if it is needed.
> The end result is a timestamping event (SCM_TSTAMP_ACK) will
> be missing from the sk->sk_error_queue.
>
> This patch carries this bit to the new skb2
> in tcp_fragment_tstamp().

> Signed-off-by: Martin KaFai Lau <kafai@...com>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Neal Cardwell <ncardwell@...gle.com>
> Cc: Soheil Hassas Yeganeh <soheil@...gle.com>
> Cc: Willem de Bruijn <willemb@...gle.com>
> Cc: Yuchung Cheng <ycheng@...gle.com>
> Acked-by: Soheil Hassas Yeganeh <soheil@...gle.com>

Acked-by: Willem de Bruijn <willemb@...gle.com>