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From: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: "David S. Miller" <davem@davemloft.net>,
	Pravin Shelar <pshelar@ovn.org>,
	netdev@vger.kernel.org,
	Shmulik Ladkani <shmulik.ladkani@gmail.com>,
	Jiri Pirko <jiri@mellanox.com>
Subject: Re: [PATCH v2 net] net: skbuff: skb_vlan_push: Fix wrong unwinding of skb->data after __vlan_insert_tag call
Date: Wed, 28 Sep 2016 20:11:36 +0300	[thread overview]
Message-ID: <20160928201136.1600ac65@halley> (raw)
In-Reply-To: <57EBD71A.90104@iogearbox.net>

On Wed, 28 Sep 2016 16:43:38 +0200 Daniel Borkmann <daniel@iogearbox.net> wrote:
> > (1) suppose upon entry we have
> >
> >      DA,SA,0x8100,TCI,0x0800,
> >      ^                ^
> >      mac_hdr          data
> >
> > initial offset is 18, and after current unwinding code we'll get  
> 
> You mean data points after the 0x0800, right?

Sorry. Yes, exactly as you say. Initially 18 bytes ahead:

    DA,SA,0x8100,TCI,0x0800,
    ^                       ^
    mac_hdr                 data

  reply	other threads:[~2016-09-28 17:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-28  9:08 [PATCH v2 net] net: skbuff: skb_vlan_push: Fix wrong unwinding of skb->data after __vlan_insert_tag call Shmulik Ladkani
2016-09-28 10:30 ` Daniel Borkmann
2016-09-28 11:56   ` Shmulik Ladkani
2016-09-28 14:43     ` Daniel Borkmann
2016-09-28 17:11       ` Shmulik Ladkani [this message]
2016-09-28 17:42       ` Shmulik Ladkani

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