From: Florian Westphal <fw@strlen.de>
To: Satyavani Namala <vani.namala@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: Issue with ipv6 icmp reply after dnat over ipsec
Date: Fri, 24 Feb 2023 19:50:57 +0100 [thread overview]
Message-ID: <20230224185057.GJ26596@breakpoint.cc> (raw)
In-Reply-To: <CAAycz1m+AszZCS-1eaKZiAAXRUVSEE4a_Z3X3j4Rjyvmce4zvA@mail.gmail.com>
Satyavani Namala <vani.namala@gmail.com> wrote:
> We are facing an issue while testing ICMP v6 (NAT) with ipsec tunnel,
> where ping was not working , as policy is not matching (returning with
> LINUX_MIB_XFRMINNOPOLS).
>
> When we investigated and compared with IPv4 , it was found that,
> nf_reset is happening before xfrm6_policy_check in case of IPV6
> compared to IPV4 in which nf_reset is done after xfrm4_policy_check.
>
> Due to nf_reset, skb->_nfct is NULL and __xfrm_policy_check is returning error.
Looks like a bug, can you submit a fix?
prev parent reply other threads:[~2023-02-24 18:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-24 18:44 Issue with ipv6 icmp reply after dnat over ipsec Satyavani Namala
2023-02-24 18:50 ` Florian Westphal [this message]
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