netdev - Re: [PATCH net-2.6.22-rc7] xfrm beet interfamily support

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Date:	Mon, 06 Aug 2007 14:08:12 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Joakim Koskela <joakim.koskela@...t.fi>
CC:	netdev@...r.kernel.org, David Miller <davem@...emloft.net>
Subject: Re: [PATCH net-2.6.22-rc7] xfrm beet interfamily support

Joakim Koskela wrote:
> On Tuesday 17 July 2007 17:30:21 Joakim Koskela wrote:
> 
>>>>@@ -108,7 +108,8 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16
>>>>encap_type) if (x->mode->input(x, skb))
>>>> 			goto drop;
>>>>
>>>>-		if (x->props.mode == XFRM_MODE_TUNNEL) {
>>>>+		if (x->props.mode == XFRM_MODE_TUNNEL ||
>>>>+		    x->props.mode == XFRM_MODE_BEET) {
>>>> 			decaps = 1;
>>>> 			break;
>>>> 		}
>>>
> It's been a while, but as a fyi in case there are comments / suggestions 
> before submitting the whole patch again - it seems that this had some 
> problems after all. Works ok for normal cases, but fails when using ip 
> options for the inner packet as they don't get processed after being 
> extracted from the pseudoheader. Calling something like ip_options_compile 
> from beet_mode's input when handling ipv4 would do the trick, but seems a bit 
> ugly & perhaps unsafe, I'd rather just put the whole packet through the loop 
> again.


Won't the options get parsed by ip_rcv() on the second reception?
-
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