netdev - Re: [PATCH net-next] tcp: refactor struct tcp_skb

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Message-Id: <20160509.000624.2258641144075621164.davem@davemloft.net>
Date:	Mon, 09 May 2016 00:06:24 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	brakmo@...com
Cc:	netdev@...r.kernel.org, kernel-team@...com, ncardwell@...gle.com,
	eric.dumazet@...il.com, ycheng@...gle.com
Subject: Re: [PATCH net-next] tcp: refactor struct tcp_skb_cb

From: Lawrence Brakmo <brakmo@...com>
Date: Fri, 6 May 2016 20:35:35 -0700

> Refactor tcp_skb_cb to create two overlaping areas to store
> state for incoming or outgoing skbs based on comments by
> Neal Cardwell to tcp_nv patch:
> 
>    AFAICT this patch would not require an increase in the size of
>    sk_buff cb[] if it were to take advantage of the fact that the
>    tcp_skb_cb header.h4 and header.h6 fields are only used in the packet
>    reception code path, and this in_flight field is only used on the
>    transmit side.
> 
> Signed-off-by: Lawrence Brakmo <brakmo@...com>
> Acked-by: Yuchung Cheng <ycheng@...gle.com>

Applied.