On Tue, 7 Oct 2014 13:31:05 +0000
"Andrey V. Elsukov" <a...@freebsd.org> wrote:

> Author: ae
> Date: Tue Oct  7 13:31:04 2014
> New Revision: 272695
> URL: https://svnweb.freebsd.org/changeset/base/272695
> 
> Log:
>   Our packet filters use mbuf's rcvif pointer to determine incoming
> interface. Change mbuf's rcvif to enc0 and restore it after pfil
> processing.

Will this work / was this tested with options VIMAGE, where
m_pkthdr.rcvif->if_vnet will no longer match curvnet, except in vnet0?

Marko



>   PR:         110959
>   Sponsored by:       Yandex LLC
> 
> Modified:
>   head/sys/net/if_enc.c
> 
> Modified: head/sys/net/if_enc.c
> ==============================================================================
> --- head/sys/net/if_enc.c     Tue Oct  7 13:30:42 2014
> (r272694) +++ head/sys/net/if_enc.c   Tue Oct  7 13:31:04
> 2014  (r272695) @@ -230,6 +230,7 @@ ipsec_filter(struct mbuf
> **mp, int dir, {
>       int error, i;
>       struct ip *ip;
> +     struct ifnet *rcvif;
>  
>       KASSERT(encif != NULL, ("%s: encif is null", __func__));
>       KASSERT(flags & (ENC_IN|ENC_OUT),
> @@ -268,6 +269,8 @@ ipsec_filter(struct mbuf **mp, int dir, 
>       }
>  
>       error = 0;
> +     rcvif = (*mp)->m_pkthdr.rcvif;
> +     (*mp)->m_pkthdr.rcvif = encif;
>       ip = mtod(*mp, struct ip *);
>       switch (ip->ip_v) {
>  #ifdef INET
> @@ -298,6 +301,7 @@ ipsec_filter(struct mbuf **mp, int dir, 
>       if (error != 0)
>               goto bad;
>  
> +     (*mp)->m_pkthdr.rcvif = rcvif;
>       return (error);
>  
>  bad:
> 

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