netdev - RE: when having to acquire an SA, ipsec drops the packet

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Message-ID: <000701c74967$1ad9a9c0$cc0a010a@tcssec.com>
Date:	Mon, 5 Feb 2007 14:49:17 -0600
From:	"Venkat Yekkirala" <vyekkirala@...stedcs.com>
To:	"'David Miller'" <davem@...emloft.net>, <jmorris@...ei.org>
Cc:	<latten@...tin.ibm.com>, <netdev@...r.kernel.org>,
	<paul.moore@...com>,
	"Venkat Yekkirala" <vyekkirala@...fw4.tcs-sec.com>,
	<herbert@...dor.apana.org.au>
Subject: RE: when having to acquire an SA, ipsec drops the packet

> Something like this (untested) on the ipv4 side, for example:
> 
> diff --git a/include/net/route.h b/include/net/route.h
> index 486e37a..a8af632 100644
> --- a/include/net/route.h
> +++ b/include/net/route.h
> @@ -146,7 +146,8 @@ static inline char rt_tos2priority(u8 tos)
>  
>  static inline int ip_route_connect(struct rtable **rp, __be32 dst,
>  				   __be32 src, u32 tos, int 
> oif, u8 protocol,
> -				   __be16 sport, __be16 dport, 
> struct sock *sk)
> +				   __be16 sport, __be16 dport, 
> struct sock *sk,
> +				   int flags)
>  {
>  	struct flowi fl = { .oif = oif,
>  			    .nl_u = { .ip4_u = { .daddr = dst,
> @@ -168,7 +169,7 @@ static inline int ip_route_connect(struct 
> rtable **rp, __be32 dst,
>  		*rp = NULL;
>  	}
>  	security_sk_classify_flow(sk, &fl);
> -	return ip_route_output_flow(rp, &fl, sk, 0);
> +	return ip_route_output_flow(rp, &fl, sk, 1);

I guess you meant to pass the new flags param to ip_route_output_flow here?

>  }
> 
-
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