netdev - Re: About tcp: set timestamps for restored skb-s

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Date:	Tue, 20 Aug 2013 13:08:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	avagin@...nvz.org, netdev@...r.kernel.org
Subject: Re: About tcp: set timestamps for restored skb-s

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Sat, 17 Aug 2013 17:39:36 -0700

> Because of gmail.com problems, I missed lot of netdev traffic
> 
> Related to :
> 
> http://patchwork.ozlabs.org/patch/267678/
> 
> 
> diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
> index 5423223..b2f6c74 100644
> --- a/net/ipv4/tcp.c
> +++ b/net/ipv4/tcp.c
> @@ -1121,6 +1121,13 @@  new_segment:
>  					goto wait_for_memory;
>  
>  				/*
> +				 * All packets are restored as if they have
> +				 * already been sent.
> +				 */
> +				if (tp->repair)
> +					TCP_SKB_CB(skb)->when = tcp_time_stamp;
> +
> 
> The test could be removed.
> 
> Setting @when for regular sends seems harmless

I applied this before reading this, sorry.

It can be cleaned up in net-next eventually.
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