Message-ID: <1369834714.5109.16.camel@edumazet-glaptop>
Subject: Re: [PATCH v6 net-next 3/5] tcp: add TCP support for low latency
 receive poll.
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Cc: David Miller <davem@davemloft.net>, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Don Skidmore <donald.c.skidmore@intel.com>,
        e1000-devel@lists.sourceforge.net,
        Willem de Bruijn <willemb@google.com>,
        Andi Kleen <andi@firstfloor.org>, HPA <hpa@zytor.com>,
        Eilon Greenstien <eilong@broadcom.com>,
        Or Gerlitz <or.gerlitz@gmail.com>, Alex Rosenbaum <alexr@mellanox.com>,
        Eliezer Tamir <eliezer@tamir.org.il>
Date: Wed, 29 May 2013 06:38:34 -0700
In-Reply-To: <20130529063945.27486.61442.stgit@ladj378.jer.intel.com>
References: <20130529063916.27486.3841.stgit@ladj378.jer.intel.com>
	 <20130529063945.27486.61442.stgit@ladj378.jer.intel.com>
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On Wed, 2013-05-29 at 09:39 +0300, Eliezer Tamir wrote:
> Adds busy-poll support for TCP.
> Copy the napi_id from an incomming skb to the sk in tcp_v[46]_rcv().
> when there is no data in the socket we busy-poll in tcp_recvmsg().
> This is a good example of how to add busy-poll support to new protocols.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Tested-by: Willem de Bruijn <willemb@google.com>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
> ---
> 
>  net/ipv4/tcp.c      |    5 +++++
>  net/ipv4/tcp_ipv4.c |    2 ++
>  net/ipv6/tcp_ipv6.c |    2 ++
>  3 files changed, 9 insertions(+), 0 deletions(-)

Acked-by: Eric Dumazet <edumazet@google.com>


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