netdev - Re: [PATCH 1/2] net: add IFF_SKB_TX_SHARED flag to priv

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Message-Id: <20110727.224208.1562532025453409786.davem@davemloft.net>
Date:	Wed, 27 Jul 2011 22:42:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nhorman@...driver.com
Cc:	netdev@...r.kernel.org, robert.olsson@....uu.se,
	eric.dumazet@...il.com, adobriyan@...il.com
Subject: Re: [PATCH 1/2] net: add IFF_SKB_TX_SHARED flag to priv_flags

From: Neil Horman <nhorman@...driver.com>
Date: Tue, 26 Jul 2011 12:05:37 -0400

> Pktgen attempts to transmit shared skbs to net devices, which can't be used by
> some drivers as they keep state information in skbs.  This patch adds a flag
> marking drivers as being able to handle shared skbs in their tx path.  Drivers
> are defaulted to being unable to do so, but calling ether_setup enables this
> flag, as 90% of the drivers calling ether_setup touch real hardware and can
> handle shared skbs.  A subsequent patch will audit drivers to ensure that the
> flag is set properly
> 
> Signed-off-by: Neil Horman <nhorman@...driver.com>
> Reported-by: Jiri Pirko <jpirko@...hat.com>

Applied.
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