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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: alexander.duyck@gmail.com, alexander.h.duyck@redhat.com,
	netdev@vger.kernel.org, jeffrey.t.kirsher@intel.com
Subject: Re: [net-next PATCH 2/5] ethernet/intel: Use eth_skb_pad helper
Date: Tue, 25 Nov 2014 22:19:00 -0500 (EST)	[thread overview]
Message-ID: <20141125.221900.653470310152197801.davem@davemloft.net> (raw)
In-Reply-To: <1416966185.29427.46.camel@edumazet-glaptop2.roam.corp.google.com>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 25 Nov 2014 17:43:05 -0800

> I believe I finally have an idea why we had various + 15 in skb
> allocations in TCP stack !

It was so that you could do one level of tunneling with "for
free".  Or that is my recollection.

Those + 15 existed way before any of these padto() calls even
existed.

  reply	other threads:[~2014-11-26  3:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-25 22:43 [net-next PATCH 0/5] net: Add helper for padding short Ethernet frames Alexander Duyck
2014-11-25 22:44 ` [net-next PATCH 1/5] etherdevice: Add function for handling padding frame to ETH_ZLEN Alexander Duyck
2014-11-26  0:56   ` Florian Fainelli
2014-11-26  2:44     ` Alexander Duyck
2014-11-25 22:44 ` [net-next PATCH 2/5] ethernet/intel: Use eth_skb_pad helper Alexander Duyck
2014-11-25 23:14   ` Eric Dumazet
2014-11-26  0:44     ` Alexander Duyck
2014-11-26  1:05       ` Florian Fainelli
2014-11-26  1:43       ` Eric Dumazet
2014-11-26  3:19         ` David Miller [this message]
2014-11-26  4:01           ` Eric Dumazet
2014-11-26 20:41             ` David Miller
2014-11-25 22:44 ` [net-next PATCH 3/5] niu: " Alexander Duyck
2014-11-25 22:44 ` [net-next PATCH 4/5] myri10ge: use " Alexander Duyck
2014-11-25 22:44 ` [net-next PATCH 5/5] r8169: Use eth_skb_pad function Alexander Duyck
2014-11-26  0:02   ` Francois Romieu
2014-11-26  0:33     ` Alexander Duyck

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