netdev - Re: [PATCH] TX_RING and packet mmap

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Date:	Mon, 18 May 2009 22:12:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	johann.baudy@...-log.net
Cc:	netdev@...r.kernel.org, herbert@...dor.apana.org.au,
	kaber@...sh.net, hadi@...erus.ca, cl@...ux.com, zbr@...emap.net
Subject: Re: [PATCH] TX_RING and packet mmap

From: Johann Baudy <johann.baudy@...-log.net>
Date: Mon, 11 May 2009 23:21:54 +0200

> New packet socket feature that makes packet socket more efficient for transmission.
> - It reduces number of system call through a PACKET_TX_RING mechanism, based on PACKET_RX_RING (Circular buffer allocated in kernel space which is mmapped from user space).
> - It minimizes CPU copy using fragmented SKB (almost zero copy).
> 
> Signed-off-by: Johann Baudy <johann.baudy@...-log.net>

Applied, thanks.
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