From: Oliver Neukum <oneukum@suse.de>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>,
netdev <netdev@vger.kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH] net/usbnet: reserve headroom on rx skbs
Date: Thu, 15 Mar 2012 18:01:03 +0100 [thread overview]
Message-ID: <201203151801.03399.oneukum@suse.de> (raw)
In-Reply-To: <1331744185.6022.25.camel@edumazet-glaptop>
Am Mittwoch, 14. März 2012, 17:56:25 schrieb Eric Dumazet:
> network drivers should reserve some headroom on incoming skbs so that we
> dont need expensive reallocations, eg forwarding packets in tunnels.
>
> This NET_SKB_PAD padding is done in various helpers, like
> __netdev_alloc_skb_ip_align() in this patch, combining NET_SKB_PAD and
> NET_IP_ALIGN magic.
>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
> Cc: Oliver Neukum <oneukum@suse.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
next prev parent reply other threads:[~2012-03-15 17:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 16:56 [PATCH] net/usbnet: reserve headroom on rx skbs Eric Dumazet
2012-03-15 17:01 ` Oliver Neukum [this message]
2012-03-16 9:02 ` David Miller
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